Nothing Special   »   [go: up one dir, main page]

CN108600920A - a kind of bone-conduction speaker - Google Patents

a kind of bone-conduction speaker Download PDF

Info

Publication number
CN108600920A
CN108600920A CN201810015581.4A CN201810015581A CN108600920A CN 108600920 A CN108600920 A CN 108600920A CN 201810015581 A CN201810015581 A CN 201810015581A CN 108600920 A CN108600920 A CN 108600920A
Authority
CN
China
Prior art keywords
magnetic
magnetic element
circuit component
magnetization
conductive component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810015581.4A
Other languages
Chinese (zh)
Inventor
张磊
廖风云
齐心
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Voxtech Co Ltd
Original Assignee
Shenzhen Voxtech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Voxtech Co Ltd filed Critical Shenzhen Voxtech Co Ltd
Priority to CN201810015581.4A priority Critical patent/CN108600920A/en
Priority to CN202111171435.9A priority patent/CN114025289B/en
Priority to CN202111174063.5A priority patent/CN114007172A/en
Priority to CN202111170781.5A priority patent/CN113973256B/en
Priority to CN202111171457.5A priority patent/CN114025290B/en
Priority to CN202111170783.4A priority patent/CN114007171B/en
Priority to CN201811056052.5A priority patent/CN110022516B/en
Publication of CN108600920A publication Critical patent/CN108600920A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

This application involves a kind of magnetic circuit components of bone-conduction speaker.The magnetic circuit component generates the first full field.The magnetic circuit component includes the first magnetic element, and first magnetic element generates the second magnetic field.The magnetic circuit further includes the first magnetic conductive component and at least one second magnetic element.At least one second magnetic element forms magnetic gap around first magnetic element between first magnetic element.Magnetic field intensity of first full field in the magnetic gap is more than magnetic field intensity of second magnetic field in the magnetic gap.

Description

A kind of bone-conduction speaker
Technical field
This application involves the magnetic circuit components in a kind of bone-conduction speaker more particularly to bone-conduction speaker.
Background technology
Bone-conduction speaker can convert the electrical signal to mechanical oscillation signal, and vibration signal is passed through tissue and bone Head is conducted into cochlea, and user is made to hear sound.Air vibration is driven to generate sound by vibrating diaphragm relative to gas conduction speaker, Osteoacusis vibrating speaker need drive user soft tissue and bone vibrate, thus its required mechanical output compared with It is high.Improving the sensitivity of bone-conduction speaker can make electric energy be converted into the more efficient of mechanical energy, to export the machine of bigger Tool power.Improve sensitivity seems even more important for the higher bone-conduction speaker of power requirement.
Summary
This application involves a kind of magnetic circuit components of bone-conduction speaker.The magnetic circuit component generates the first full field.It is described Magnetic circuit component includes the first magnetic element, the first magnetic conductive component and at least one second magnetic element.Described first magnetic member Part generates the second magnetic field.At least one second magnetic element around first magnetic element, and with it is described first magnetic Magnetic gap is formed between element, magnetic field intensity of first full field in the magnetic gap is more than second magnetic field in institute State the magnetic field intensity in magnetic gap.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one second magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one second magnetic element Property element the direction of magnetization between angle be not less than 90 degree.
According to some embodiments of the present application, the magnetic circuit component further includes the second magnetic conductive component and at least one Third magnetic element.At least one third magnetic element connects second magnetic conductive component and at least one second magnetic Property element.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one third magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one third magnetic element Property element the direction of magnetization between angle be not less than 90 degree.
According to some embodiments of the present application, the magnetic circuit component further includes at least one 4th magnetic element.It is described extremely Few 4th magnetic element is located at the lower section of the magnetic gap and connects first magnetic element and second magnetic conduction Element.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 4th magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 4th magnetic element Property element the direction of magnetization between angle be not more than 90 degree.
According to some embodiments of the present application, the magnetic circuit component further includes at least one 5th magnetic element.It is described extremely Few 5th magnetic element connects the upper surface of first magnetic conductive component.
According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 5th magnetic element The angle of the direction of magnetization of property element is at 150 degree between 180 degree.
It is the thickness of first magnetic element and first magnetic element, described according to some embodiments of the present application The ratio range of the sum of the thickness of at least one 5th magnetic element and first magnetic conductive component is 0.4-0.6.
According to some embodiments of the present application, the thickness of at least one 5th magnetic element is equal to first magnetism The thickness of element.
According to some embodiments of the present application, the thickness of at least one 5th magnetic element is less than first magnetism The thickness of element.
According to some embodiments of the present application, the magnetic circuit component further includes third magnetic conductive component.The third magnetic conduction member Part connects the upper surface of the 5th magnetic element, and the third magnetic conductive component is configured as inhibiting the field of first full field Strong leakage.
According to some embodiments of the present application, first magnetic conductive component connects the upper surface of first magnetic element, Second magnetic conductive component includes the bottom that bottom plate and side wall and first magnetic element connect second magnetic conductive component Plate.
According to some embodiments of the present application, the magnetic circuit component further includes at least one conducting element.The conductive element Part connects at least one of first magnetic element, first magnetic conductive component or second magnetic conductive component element.
A part of bells and whistles of the application can illustrate in the following description.By to being described below and accordingly The understanding of the inspection of attached drawing or production or operation to embodiment, the skill of a part of bells and whistles of the application for this field Art personnel are apparent.Herein disclosed characteristic can pass through various methods, the means to specific embodiments described below Practice or use with combination are achieved and reach.
Attached drawing describes
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, the application Illustrative embodiments and their description for explaining the application, do not constitute the restriction to the application.In the various figures, identical label Indicate same parts.
Fig. 1 is the structure mould block diagram according to a kind of bone-conduction speaker shown in some embodiments of the present application；
Fig. 2 is according to a kind of Longitudinal cross section schematic of bone-conduction speaker shown in some embodiments of the present application；
Fig. 3 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Fig. 4 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Fig. 5 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Fig. 6 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Fig. 7 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Fig. 8 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Fig. 9 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 10 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 11 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 12 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 13 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 14 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 15 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 16 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 17 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 18 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 19 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 20 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 21 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 22 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 23 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 24 is according to a kind of Longitudinal cross section schematic of magnetic circuit component shown in some embodiments of the present application；
Figure 25 is according to a kind of cross-sectional view of magnetic element shown in some embodiments of the present application；
Figure 26 is according to a kind of schematic diagram of magnetic element shown in some embodiments of the present application；
Figure 27 is the direction of magnetization schematic diagram according to magnetic element in magnetic circuit component shown in some embodiments of the present application；
Figure 28 is the line of magnetic induction distribution map according to magnetic element in magnet assembly shown in some embodiments of the present application；
Figure 29 is according to a kind of magnetic induction line distribution schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 30 be according to voice coil shown in some embodiments of the present application at magnetic induction intensity and Figure 29 shown in magnetic circuit The relation curve of each component thickness in component；
Figure 31 is according to a kind of magnetic induction line distribution schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 32 be according to voice coil shown in some embodiments of the present application at magnetic induction intensity and Figure 31 shown in magnetic circuit The relation curve of each component thickness in component；
Figure 33 is according to a kind of magnetic induction line distribution schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 34 is strong according to the magnetic induction of magnetic circuit component in Figure 29, Figure 31 and Figure 33 shown in some embodiments of the present application The relation curve of degree and magnetic element thickness；
Figure 35 be according to voice coil shown in some embodiments of the present application at magnetic induction intensity and Figure 33 shown in magnetic circuit The relation curve of each component thickness in component；
Figure 36 is according to a kind of structural schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 37 is led with magnetic circuit component shown in Figure 36 according to induction reactance in voice coil shown in some embodiments of the present application The relation curve of electric device；
Figure 38 is according to a kind of structural schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 39 is led with magnetic circuit component shown in Figure 38 according to induction reactance in voice coil shown in some embodiments of the present application The relation curve of electric device；
Figure 40 is according to a kind of structural schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 41 is led with magnetic circuit component shown in Figure 40 according to induction reactance in voice coil shown in some embodiments of the present application The relation curve of electric device quantity；
Figure 42 is according to a kind of structural schematic diagram of magnetic circuit component shown in some embodiments of the present application；
Figure 43 is according in magnetic circuit component shown in Ampere force suffered by voice coil shown in some embodiments of the present application and Figure 42 The relation curve of each component thickness；
Figure 44 is according to a kind of structural schematic diagram of bone-conduction speaker shown in some embodiments of the present application；
Figure 45 is according to a kind of structural schematic diagram of bone-conduction speaker shown in some embodiments of the present application；
Figure 46 is according to a kind of structural schematic diagram of bone-conduction speaker shown in some embodiments of the present application；And
Figure 47 is according to a kind of structural schematic diagram of bone-conduction speaker shown in some embodiments of the present application.
It specifically describes
It is required in being described below to embodiment to make in order to illustrate more clearly of the technical solution of embodiments herein Attached drawing is briefly described.It should be evident that the accompanying drawings in the following description is only some examples or the implementation of the application Example, for those of ordinary skill in the art for, without creative efforts, can also be according to these attached drawings The application is applied to other similar to scene.It should be appreciated that providing these exemplary embodiments just for the sake of making related field Technical staff better understood when so that realize the application, and not limit scope of the present application in any way.Unless Apparent or separately explain from language environment, identical label represents identical structure or operation in figure.
As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " comprising " only prompts to wrap with "comprising" Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or equipment The step of may also including other or element.Term "based" is " being based at least partially on ".Term " one embodiment " indicates " at least one embodiment "；Term " another embodiment " expression " at least one other embodiment ".The correlation of other terms is fixed Justice provides in will be described below.Hereinafter, without loss of generality, in osteoacusis the relevant technologies in describing the application, " bone will be used The description of conduction speaker " or " bone conduction earphone ".The description is only a kind of form of osteoacusis application, for the field For those of ordinary skill, " loud speaker " or " earphone " can also be replaced with other similar words, such as " player ", " hearing aid " Deng.In fact, the various realization methods in the application can be easily applied on the hearing device of other non-loud speaker classes. For example, for those skilled in the art, it, may be without departing substantially from this after the basic principle for understanding bone-conduction speaker In the case of principle, the concrete mode to implementing bone-conduction speaker carries out various amendments in form and details with step and changes Become, particularly, ambient sound pickup and processing function is added in bone-conduction speaker, the loud speaker is made to realize the work(of hearing aid Energy.For example, the microphones such as microphone can pick up the sound of user/wearer's ambient enviroment, under certain algorithm, by sound (or the electric signal generated) is sent to bone-conduction speaker part after sound processing.I.e. bone-conduction speaker can pass through centainly Modification, is added the function of picking up surrounding sounds, and after certain signal processing by bone-conduction speaker part by sound User/wearer is passed to, to realize the function of ossiphone.As an example, algorithm mentioned here can wrap Include noise elimination, automatic growth control, acoustic feedback inhibition, wide dynamic range compression, active Context awareness, active anti-noise, orientation One or more combination such as processing, tinnitus processing, multi-channel wide dynamic range compression, active chauvent's criterion, volume control.
The application provides a kind of bone-conduction speaker of high sensitivity.In some embodiments, the bone-conduction speaker It may include magnetic circuit component.The magnetic circuit component can generate the first full field.The magnetic circuit component may include the first magnetism Element, the first magnetic conductive component, the second magnetic conductive component and one or more second magnetic elements.First magnetic element can be with Generate the second magnetic field, one or more of second magnetic elements around first magnetic element, and with it is described first magnetic Magnetic gap is formed between element, magnetic field intensity of first full field in the magnetic gap is more than second magnetic field in institute State the magnetic field intensity in magnetic gap.Multiple second magnetic elements in the magnetic circuit component are arranged around first magnetic element The volume of magnetic circuit component can be reduced in the case where improving magnetic gap magnetic field intensity, improving the sensitivity of bone-conduction speaker And weight, the efficiency of bone-conduction speaker is improved, the service life of bone-conduction speaker is increased.
The bone-conduction speaker has the characteristics that small, light-weight, efficient, high sensitivity and service life are long, Convenient for the bone-conduction speaker to be combined with wearable intelligent equipment, to realize the multifunction of single equipment, improve And optimize user experience.The wearable intelligent equipment includes but not limited to intelligent earphone, intelligent glasses, intelligent head hoop, intelligence The helmet, smartwatch, Intelligent glove, intelligent shoe, intelligent camera, intelligent camera etc..The bone-conduction speaker can be into It is combined with intellectual material to one step, osteoacusis is integrated in the manufacture material of the clothes of user, gloves, cap, shoes etc. and is raised Sound device.The bone-conduction speaker can also further be implanted into human body, be implanted into chip with human body or external processor cooperates in fact Now more personalized function.
Fig. 1 is the structure mould block diagram according to a kind of bone-conduction speaker shown in some embodiments of the present application 100.Such as figure Described, bone-conduction speaker 100 may include a magnetic circuit component 102,104, support components 106 of a vibration component with An and storage assembly 108.
Magnetic circuit component 102 can provide magnetic field.The magnetic field, which can be used for converting the signal containing acoustic information to, to shake Dynamic signal.In some embodiments, the acoustic information may include the video with format, audio file or can To be converted into the data or file of sound by particular approach.The signal containing acoustic information may come from osteoacusis and raise The storage assembly 108 of sound device 100 itself can be from the information other than bone-conduction speaker 100 and generate, stores or pass Delivery system.The signal containing acoustic information may include that electric signal, optical signal, magnetic signal, mechanical signal etc. are a kind of or more The combination of kind.The signal containing acoustic information can come from a signal source or multiple signal sources.The multiple signal source Can correlation can not also be related.In some embodiments, bone-conduction speaker 100 can be obtained by various ways The acquisition of the signal containing acoustic information, the signal can be wired or wireless, can be real-time or delay. For example, bone-conduction speaker 100 can be by wired or wirelessly receive the electric signal containing acoustic information, it can also (for example, storage assembly 108) obtains data directly from storage medium, generates voice signal.In another example in ossiphone It may include the component with sound collection function, by picking up the sound in environment, the mechanical oscillation of sound be converted into electricity Signal obtains the electric signal for meeting particular requirement after being handled by amplifier.In some embodiments, the wired connection can be with Including metallic cable, optical cable or metal and optical compound cable, for example, coaxial cable, communication cable, soft electricity Cable, spiral cable, nonmetallic sheathed cable, sheath wire, multicore cable, twisted-pair cable, ribbon cable, shielding electricity One or more combination such as cable, communication cable, paired cable, twin-lead cable, twisted-pair feeder.Example described above is only made It is used for convenience of description, the medium of wired connection can also be other types, for example, the transmission of other electric signals or optical signal etc. Carrier.
Wireless connection may include radio communication, free space optical communication, acoustic communication and electromagnetic induction etc..Wherein without The communication of line electricity may include IEEE802.11 series standards, IEEE802.15 series standards (such as Bluetooth technology and purple-bee technology Deng), first generation mobile communication technology, Generation Mobile Telecommunication System technology (such as FDMA, TDMA, SDMA, CDMA and SSMA etc.), General packet radio service technology, 3rd generation mobile communication technology (such as CDMA2000, WCDMA, TD-SCDMA and WiMAX Deng), fourth generation mobile communication technology (such as TD-LTE and FDD-LTE etc.), satellite communication (such as GPS technology etc.), near field it is logical Believe (NFC) and other technologies for operating in ISM band (such as 2.4GHz etc.)；Free space optical communication may include visible light, Infra-red signal etc.；Acoustic communication may include sound wave, ultrasonic wave signal etc.；Electromagnetic induction may include near field communication technology etc.. Example described above is only as purposes of discussion is facilitated, and the medium of wireless connection can also be other types, for example, Z-wave skills Art, the civil radio frequency range of other charges and military radio frequency range etc..For example, the application scenes as this technology, Bone-conduction speaker 100 can obtain the signal containing acoustic information by Bluetooth technology from other equipment.
Vibration component 104 can generate mechanical oscillation.Along with the conversion of energy, osteoacusis raises one's voice for the generation of the vibration Device 100 can use specific magnetic circuit component 102 to realize that the signal containing acoustic information turns to mechanical oscillation with vibration component 104 It changes.May include coexisting and converting for a variety of different type energy during conversion.For example, electric signal can by transducing head To be directly changed into mechanical oscillation, sound is generated.For another example acoustic information may be embodied in optical signal, one kind is specifically changed Energy device may be implemented to be converted to the process of vibration signal by optical signal.It is other can be coexisted in the transducing head course of work and The energy of conversion includes thermal energy, magnetic field energy etc..The energy conversion regime of transducing head may include moving-coil type, it is electrostatic, Piezoelectric type, moving-iron type, pneumatic type, electromagnetic type etc..The frequency response range and sound quality of bone-conduction speaker 100 can be vibrated The influence of component 104.For example, in moving-coil type transducing head, vibration component 104 includes that the cylindrical coil of winding and one shake Kinetoplast (for example, a vibrating reed) is driven vibrating body vibration sounding by the cylindrical coil that signal code drives in magnetic field, vibrated The stretching, extension and contraction of body material, the deformation of fold, size, shape and fixed form, the magnetic density etc. of permanent magnet, all can be to bone The audio quality of conduction speaker 100 brings prodigious influence.Vibrating body can be mirror-symmetrical knot in vibration component 104 Structure, centrosymmetric structure or asymmetrical structure；It can be provided with intermittent cavernous structure on vibrating body, vibrating body is made to produce The displacement of raw bigger improves the output power of vibration and sound to allow bone-conduction speaker to realize higher sensitivity；Vibration Body can be torus structure, be arranged multiple struts to center influx in torus, the number of strut can be two or Person is more.
Support component 106 can play a supporting role to magnetic circuit component 102, vibration component 104 and/or storage assembly 108. Support component 106 may include one or more shells, one or more connectors.One or more of shells can be formed Accommodation space for accommodating magnetic circuit component 102, vibration component 104 and/or storage assembly 108.One or more of connections Part can connect shell and magnetic circuit component 102, vibration component 104 and/or storage assembly 108.
Storage assembly 108 can store the signal containing acoustic information.In some embodiments, storage assembly 108 can be with Including one or more storage devices.The storage device may include Direct Attached Storage (Direct Attached Storage), network attached storage (Network Attached Storage) and storage area network (Storage Area The storage device in storage systems such as Network).Storage device may include all kinds of storage devices such as solid storage device (Gu State hard disk, solid-state hybrid hard disk etc.), mechanical hard disk, USB flash memory, memory stick, storage card (such as CF, SD), other driving (such as CD, DVD, HD DVD, Blu-ray etc.), random access memory (RAM) and read-only memory (ROM).Wherein RAM may include ten Into counting tube, selectron, delay line storage, WILLIAMS-DARLING Ton pipe, dynamic RAM (DRAM), Static RAM (SRAM), thyristor random access memory (T-RAM) and zero capacitance random access memory (Z-RAM) etc.；ROM may include that magnetic bubble is deposited It is reservoir, A.O. linear memory, thin-film memory, magnetic plated wire memeory, magnetic core memory, magnetic drum memory, CD drive, hard Disk, tape, early stage NVRAM (nonvolatile storage), phase-change memory element, reluctance type random storage formula memory, ferroelectric random storage Memory, non-volatile SRAM, flash memory, the electronics formula of erasing can make carbon copies read-only memory, Erasable Programmable Read Only Memory EPROM, may be programmed Read-only memory, Mask ROM, floating connection door random access memory, nanometer random access memory, racing track memory, can Changing resistor type memory and programmable metallization unit etc..Above-mentioned storage device/storage unit is to list some examples Son, the storage device which can use are not limited thereto.
It is only above specific example to the description of bone-conduction speaker structure, is not considered as the reality of unique feasible Apply scheme.It, may be not after the basic principle for understanding bone-conduction speaker for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of bone-conduction speaker in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 100 can be with Including one or more processors, the processor can execute one or more sound signal processing algorithms.The sound letter Number Processing Algorithm can be modified or strengthen to the voice signal.Such as voice signal progress noise reduction, acoustic feedback are inhibited, Wide dynamic range compression, automatic growth control, active Context awareness, active anti-noise, directional process, tinnitus processing, multi-channel wide Dynamic range compression, active chauvent's criterion, volume control or the processing of other similar or any of the above combination, these amendments With change still within claims hereof protection domain.In another example bone-conduction speaker 100 may include one or more A sensor, such as temperature sensor, humidity sensor, velocity sensor, displacement sensor etc..The sensor can acquire User information or environmental information.
Fig. 2 is the Longitudinal cross section schematic according to a kind of bone-conduction speaker shown in some embodiments of the present application 200.Such as Shown in figure, bone-conduction speaker 200 may include the first magnetic element 202, the first magnetic conductive component 204, the second magnetic conductive component 206, the first oscillating plate 208, voice coil 210, the second oscillating plate 212 and vibration panel 214.
The magnetic element described in this application refers to the element that can generate magnetic field, such as magnet etc..The magnetic member Part can have the direction of magnetization, and the direction of magnetization refers to the magnetic direction inside the magnetic element.First magnetic element 202 may include one or more magnet.In some embodiments, the magnet may include metal alloy magnet, ferrite Deng.Wherein, metal alloy magnet may include neodymium iron boron, SmCo, alnico, siderochrome cobalt, ferro-aluminum boron, iron carbon aluminium or similar, Or in which a variety of combination.Ferrite may include barium ferrite, barium ferrite, U.S. Mn ferrite, lithium Mn ferrite or similar Or in which multiple combinations.
The lower surface of first magnetic conductive component 204 can connect the upper surface of the first magnetic element 202.Second magnetic conductive component 206 can connect the first magnetic element 202.It should be noted that magnetizer mentioned here is referred to as field concentrator Or iron core.Magnetizer can adjust the distribution in magnetic field (for example, magnetic field that the first magnetic element 202 generates).The magnetizer can To include the element being process by soft magnetic materials.In some embodiments, the soft magnetic materials may include metal material, gold Belong to alloy, metal oxide materials, amorphous metal material etc., for example, iron, iron Si system alloy, iron aluminum series alloy, nickel iron-based alloy, Iron Co-based alloy, mild steel, silicon steel sheet, silicon steel sheet, ferrite etc..In some embodiments, can be added by casting, plasticity The method of one or more combinations such as work, machining, powder metallurgy processes the magnetizer.Casting may include sand mold casting Make, model casting, compression casting, centrifugal casting etc.；Plastic processing may include rolling, casting, forging, punching press, extruding, draw Etc. one or more combinations；Machining may include turning, milling, planing, grinding etc..In some embodiments, described to lead The processing method of magnet may include 3D printing, numerically-controlled machine tool etc..First magnetic conductive component 204, the second magnetic conductive component 206 and first Connection type between magnetic element 202 may include being bonded, being clamped, welding, riveting, being bolted etc. one or more groups It closes.In some embodiments, the first magnetic element 202, the first magnetic conductive component 204 and the second magnetic conductive component 206 could be provided as Axially symmetric structure.The axially symmetric structure can be cyclic structure, column structure or it is other have axially symmetric structure.
In some embodiments, magnetic gap can be formed between the first magnetic element 202 and the second magnetic conductive component 206.Sound Circle 210 can be set in the magnetic gap.Voice coil 210 can be connect with the first oscillating plate 208.First oscillating plate 208 can be with The second oscillating plate 212 is connected, the second oscillating plate 212 can connect vibration panel 214.After being passed through electric current in the voice coil 210, The voice coil 210 is located in the magnetic field that the first magnetic element 202, the first magnetic conductive component 214 and the second magnetic conductive component 206 are formed, Can be by ampere force effect, the ampere power drive voice coil 210 vibrates, the vibration of voice coil 210 can drive the first oscillating plate 208, The vibration of second oscillating plate 212 and vibration panel 214.The vibration is transmitted to by tissue with bone by vibration panel 214 to be listened Nerve is felt, to make one to hear sound.It the vibration panel 214 and can be directly in direct contact with human skin, or can To pass through the vibration transfer layer and skin contact that are made of certain material.
In some embodiments, for the bone-conduction speaker with single magnetic element, pass through the magnetic induction line at voice coil And it is uneven, it is in divergent shape.Leakage field may be formed in magnetic circuit simultaneously, i.e., more magnetic induction line leaks to other than magnetic gap, not Voice coil can be passed through, so that the magnetic induction intensity (or magnetic field intensity) at voice coil position declines, influences bone-conduction speaker Sensitivity.Therefore, bone-conduction speaker 200 may further include at least one second magnetic element and/at least one third Magnetic conductive component (not shown).At least one second magnetic element and/at least one third magnetic conductive component can inhibit magnetic Feel the leakage of line, constrain the magnetic strength line morphology across voice coil so that more magnetic induction line is horizontal as possible densely to pass through voice coil, increases Magnetic induction intensity (or magnetic field intensity) at strong voice coil position to improve the sensitivity of bone-conduction speaker 200, and then improves The mechanical conversion efficiency of bone-conduction speaker 200 is (that is, convert the electric energy for inputting bone-conduction speaker 200 to voice coil vibrations The efficiency of mechanical energy).More descriptions about at least one second magnetic element may refer to Fig. 3-24.
It is only above specific example to the description of 200 structure of bone-conduction speaker, is not considered as unique feasible Embodiment.It, may after the basic principle for understanding bone-conduction speaker for one of skill in the art Without departing substantially from this principle, the concrete mode to implementing bone-conduction speaker carries out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 200 May include shell, connector etc..The connector can connect vibration panel 214 and shell.In another example bone-conduction speaker 200 may include the second magnetic element, and second magnetic element can connect the first magnetic conductive component 204.In another example osteoacusis Loud speaker 200 may further include one or more annular magnet elements, and the annular magnet element can connect second and lead Magnetic cell 206.
Fig. 3 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3100.Such as Fig. 3 It is shown, magnetic circuit component 3100 may include the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and Second magnetic element 308.In some embodiments, the first magnetic element 302 and/or the second magnetic element 308 may include this Any one or a few magnet described in application.In some embodiments, the first magnetic element 302 may include the first magnetic Iron, the second magnetic element 308 may include the second magnet, and first magnet can be identical or different with second magnet. First magnetic conductive component 304 and/or the second magnetic conductive component 306 may include any one or a few magnetic conduction material described in this application Material.The processing method of first magnetic conductive component 304 and/or the second magnetic conductive component 306 may include described in this application any one Kind or several processing methods.In some embodiments, the first magnetic element 302 and/or the first magnetic conductive component 304 could be provided as Axially symmetric structure.For example, the first magnetic element 302 and/or the first magnetic conductive component 304 can be cylinder, cuboid, Huo Zhezhong Empty ring-type (for example, cross section is the shape of runway).In some embodiments, the first magnetic element 302 and the first magnetic conduction member Part 304 can be coaxial cylinder, contain identical or different diameter.In some embodiments, the second magnetic conductive component 306 It can be fluted body structure.The fluted body structure can include U-shaped section (as shown in Figure 3).The second of the fluted body Magnetic conductive component 306 may include bottom plate and side wall.In some embodiments, the bottom plate and the side wall can be one at Type, for example, the side wall can be extended to form by bottom plate in the direction perpendicular to bottom plate.In some embodiments, institute The side wall can be connected by any one or a few connection type described in this application by stating bottom plate.Second magnetic element 308 can be set as cyclic annular or sheet.Shape about the second magnetic element 308 can refer to the description in specification elsewhere (for example, Figure 25 and 26 and its associated description).In some embodiments, the second magnetic element 308 can be with the first magnetic element 302 and/or first magnetic conductive component 304 it is coaxial.
The upper surface of first magnetic element 302 can connect the lower surface of the first magnetic conductive component 304.First magnetic element 302 lower surface can connect the bottom plate of the second magnetic conductive component 306.The lower surface of second magnetic element 308 connects the second magnetic conduction The side wall of element 306.First magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and/or the second magnetic member Connection type between part 308 may include one or more combinations such as being bonded, being clamped, welding, riveting, being bolted.
Magnetic is formed between first magnetic element 302 and/or the first magnetic conductive component 304 and the inner ring of the second magnetic element 308 Gap.Voice coil 328 can be set in the magnetic gap.In some embodiments, second magnetic element 308 and the sound Circle 328 is equal relative to the height of the bottom plate of the second magnetic conductive component 306.In some embodiments, the first magnetic element 302, One magnetic conductive component 304, the second magnetic conductive component 306 and the second magnetic element 308 can form magnetic loop.In some embodiments In, magnetic circuit component 3100 can generate the first full field (also referred to as " total magnetic field of magnetic circuit component "), the first magnetic element 302 can generate the second magnetic field.First full field is by all components in the magnetic circuit component 3100 (for example, the first magnetic Property element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and the second magnetic element 308) generate magnetic field it is common It is formed.Magnetic field intensity of first full field in the magnetic gap (can also be referred to as magnetic induction intensity or magnetic flux Density) it is more than magnetic field intensity of second magnetic field in the magnetic gap.In some embodiments, the second magnetic element 308 Third magnetic field can be generated, the third magnetic field can improve magnetic field intensity of first full field at the magnetic gap. Third magnetic field mentioned here improve the first full field magnetic field intensity refer to the presence of third magnetic field (that is, there are second Magnetic element 308) when the first full field the magnetic gap magnetic field intensity be more than no third magnetic field exist (that is, being not present Second magnetic element 308) when first full field.In other embodiment in the present specification, unless stated otherwise, magnetic circuit group Part indicates that the structure for including all magnetic elements and magnetic conductive component, the first full field indicate the magnetic integrally generated by magnetic circuit component , the second magnetic field, third magnetic field ..., the magnetic fields N indicate the magnetic field caused by corresponding magnetic element respectively.In difference Embodiment in, generate second magnetic field (or third magnetic field ..., the magnetic fields N) magnetic element can be identical , it can also be different.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the second magnetic element 308 it Between angle at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 302 and the second magnetic member The direction of magnetization of part 308 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of the second magnetic element 308 is equal to or more than 90 degree.In some embodiments, The direction of magnetization of one magnetic element 302 is perpendicular to the lower surface of the first magnetic element 302 or upper surface (a in such as figure straight up Shown direction), the direction of magnetization of the second magnetic element 308 is directed toward outer shroud (such as b institutes in figure by the inner ring of the second magnetic element 308 Direction shows that the direction of magnetization on the right side of the first magnetic element 302, the first magnetic element 302 deflects 90 clockwise Degree).
In some embodiments, in the position of the second magnetic element 308, the direction of first full field is magnetic with second Angle between the direction of magnetization of element 308 is not higher than 90 degree.In some embodiments, in the position of the second magnetic element 308 Place, the angle between the direction and the direction of magnetization of the second magnetic element 308 in the magnetic field that the first magnetic element 302 generates can be with It is 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with the magnetic circuit component of single magnetic element, the second magnetic element 308 can improve magnetic in magnetic circuit component 3100 Total magnetic flux in gap, and then increase the magnetic induction intensity in magnetic gap.Also, under the action of the second magnetic element 308, Originally the magnetic induction line of diverging can be restrained to magnetic gap position, further increase the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 3100, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 3100 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be with It is loop configuration or laminated structure.In another example magnetic circuit component 3100 may further include magnetism-guiding hood, the magnetism-guiding hood can enclose Around the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and the second magnetic element 308.
Fig. 4 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3200.Such as Fig. 4 Shown, unlike magnetic circuit component 3100, magnetic circuit component 3200 may further include third magnetic element 310.
The upper surface of third magnetic element 310 connects the second magnetic element 308, and lower surface connects the second magnetic conductive component 306 Side wall.First magnetic element 302, the first magnetic conductive component 304, the second magnetic element 308 and/or third magnetic element 310 it Between can form magnetic gap.Voice coil 328 can be set in the magnetic gap.In some embodiments, the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element 308 and third magnetic element 310 can be with shapes At magnetic loop.In some embodiments, the direction of magnetization of the second magnetic element 308 can refer to the detailed description of the application Fig. 3.
In some embodiments, magnetic circuit component 3200 can generate the first full field, and the first magnetic element 302 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, third magnetic element 310 can generate third magnetic field, and the third magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and third magnetic element 310 it Between angle at 0 degree between 180 degree.In some embodiments, the magnetic member of the direction of magnetization Yu third of the first magnetic element 302 The direction of magnetization of part 310 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of third magnetic element 310 is equal to or more than 90 degree.In some embodiments, The direction of magnetization of one magnetic element 302 is perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (such as the figure side a To shown), the direction of magnetization of third magnetic element 310 is directed toward lower surface (c in such as figure by the upper surface of third magnetic element 310 Shown in direction, the direction of magnetization on the right side of the first magnetic element 302, the first magnetic element 302 deflects clockwise 180 degree).
In some embodiments, at the position of third magnetic element 310, the direction of first full field and described the Angle between the direction of magnetization of three magnetic elements 310 is not higher than 90 degree.In some embodiments, in third magnetic element 310 Position at, the first magnetic element 302 generate magnetic field direction and the direction of magnetization of third magnetic element 310 between angle Can be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with magnetic circuit component 3100, magnetic circuit component 3200 further increases third magnetic element 310.The magnetic member of third Part 310 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 3200, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of third magnetic element 310, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 3200, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 3200 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be Loop configuration or laminated structure.In another example magnetic circuit component 3200 can not include the second magnetic conductive component 306.In another example magnetic circuit group Part 3200 can be further added to a few magnetic element.In some embodiments, the magnetic element further added Lower surface can connect the upper surface of the second magnetic element 308.The direction of magnetization of the magnetic element further added with The direction of magnetization of third magnetic element 312 is opposite.In some embodiments, the magnetic element further added can connect The side wall of first magnetic element 302 and the second magnetic conductive component 306.The direction of magnetization of the magnetic element further added with The direction of magnetization of second magnetic element 308 is opposite.
Fig. 5 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3300.Such as Fig. 5 Shown, unlike magnetic circuit component 3100, magnetic circuit component 3300 may further include the 4th magnetic element 312.
4th magnetic element 312 can by bonding, clamping, one or more combinations such as welding, rivet, be bolted and connect Connect the side wall of the first magnetic element 302 and the second magnetic conductive component 306.In some embodiments, the first magnetic element 302, One magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element 308 and the 4th magnetic element 312 can be formed between magnetic Gap.In some embodiments, the direction of magnetization of the second magnetic element 308 can refer to the detailed description of the application Fig. 3.
In some embodiments, magnetic circuit component 3300 can generate the first full field, and the first magnetic element 302 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, the 4th magnetic element 312 can generate the 4th magnetic field, and the 4th magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the 4th magnetic element 312 it Between angle at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 302 and the 4th magnetic member The direction of magnetization of part 312 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of the 4th magnetic element 312 is not higher than 90 degree.In some embodiments, the first magnetic Property element 302 the direction of magnetization perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (such as the directions figure a institute Show), the direction of magnetization of the 4th magnetic element 312 by the outer shroud of the 4th magnetic element 312 be directed toward inner ring (as shown in the directions d in figure, The direction of magnetization on the right side of the first magnetic element 302, the first magnetic element 302 deflects 270 degree clockwise).
In some embodiments, in the position of the 4th magnetic element 312, the direction of first full field and the described 4th Angle between the direction of magnetization of magnetic element 312 is not higher than 90 degree.In some embodiments, in the 4th magnetic element 312 Position, the angle between the direction and the direction of magnetization of the 4th magnetic element 312 in the magnetic field that the first magnetic element 302 generates can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with magnetic circuit component 3100, magnetic circuit component 3300 further increases the 4th magnetic element 312.4th magnetic member Part 312 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 3300, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 4th magnetic element 312, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 3300, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 3300 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be with It is loop configuration or laminated structure.In another example magnetic circuit component 3300 can not include the second magnetic element 308.In another example magnetic circuit Component 3300 can be further added to a few magnetic element.In some embodiments, the magnetism member further added The lower surface of part can connect the upper surface of the second magnetic element 308.The direction of magnetization of the magnetic element further added It is identical as the direction of magnetization of the first magnetic element 302.In some embodiments, the upper table of the magnetic element further added Face can connect the lower surface of the second magnetic element 308.The magnetic of the direction of magnetization of the magnetic element and the first magnetic element 302 It is opposite to change direction.
Fig. 6 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3400.Such as Fig. 6 Shown, unlike magnetic circuit component 3100, magnetic circuit component 3400 may further include the 5th magnetic element 314.5th magnetic Property element 314 may include any one ferromagnetic material described in this application.In some embodiments, the 5th magnetic element 314 could be provided as axially symmetric structure.For example, the 5th magnetic element 314 can be cylinder, cuboid or hollow ring Shape (for example, cross section is the shape of runway).In some embodiments, the first magnetic element 302, the first magnetic conductive component 304 and/ Or the 5th magnetic element 314 can be coaxial cylinder, contain identical or different diameter.5th magnetic element 314 with The thickness of first magnetic element 302 can be identical or different.5th magnetic element 314 can connect the first magnetic conductive component 304.
In some embodiments, the direction of magnetization of the direction of magnetization of the 5th magnetic element 314 and the first magnetic element 302 it Between angle at 90 degree between 180 degree.In some embodiments, the direction of magnetization of the 5th magnetic element 314 and the first magnetism Angle between the direction of magnetization of element 302 is at 150 degree between 180 degree.In some embodiments, the 5th magnetic element 314 The direction of magnetization it is opposite with the direction of magnetization of the first magnetic element 302 (as shown, the directions a with the directions e).
Compared with magnetic circuit component 3100, magnetic circuit component 3400 further increases the 5th magnetic element 314.5th magnetic member Part 314 can inhibit leakage field of first magnetic element 302 in the direction of magnetization in magnetic circuit component 3400, to make the first magnetic member The magnetic field that part 302 generates can be more compressed in magnetic gap, thus improve the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 3400, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 3400 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be Loop configuration or laminated structure.In another example magnetic circuit component 3400 can not include the second magnetic element 308.In another example magnetic circuit group Part 3400 can be further added to a few magnetic element.In some embodiments, the magnetic element further added Lower surface can connect the upper surface of the second magnetic element 308.The direction of magnetization of the magnetic element further added with The direction of magnetization of first magnetic element 302 is identical.In some embodiments, the upper surface of the magnetic element further added The lower surface of the second magnetic element 308 can be connected.The direction of magnetization of the magnetic element further added is magnetic with first The direction of magnetization of element 302 is opposite.In some embodiments, the magnetic element further added can connect the first magnetism Element 302 and the second magnetic conductive component 306, the direction of magnetization and the second magnetic element of the magnetic element further added 308 direction of magnetization is opposite.
Fig. 7 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3500.Such as Fig. 7 Shown, unlike magnetic circuit component 3400, magnetic circuit component 3500 may further include third magnetic conductive component 316.At some In embodiment, third magnetic conductive component 316 may include any one or a few permeability magnetic material described in this application.First magnetic conduction Permeability magnetic material included by element 304, the second magnetic conductive component 306 and/or third magnetic conductive component 316 can be identical or different. In some embodiments, third magnetic conductive component 316 could be provided as symmetrical structure.For example, third magnetic conductive component 316 can be cylinder Body.In some embodiments, the first magnetic element 302, the first magnetic conductive component 304, the 5th magnetic element 314 and/or third are led Magnetic cell 316 can be coaxial cylinder, contain identical or different diameter.Third magnetic conductive component 316 can connect Five magnetic elements 314.In some embodiments, third magnetic conductive component 316 can connect the 5th magnetic element 314 and second Magnetic element 308.The third magnetic conductive component 316, the second magnetic conductive component 306 and the second magnetic element 308 can form one Cavity, the cavity can include the first magnetic element 302, the 5th magnetic element 314 and the first magnetic conductive component 304.
Compared with magnetic circuit component 3400, magnetic circuit component 3500 further increases third magnetic conductive component 316.Third magnetic conduction member Part 316 can inhibit leakage field of the 5th magnetic element 314 in the direction of magnetization in magnetic circuit component 3500, to make the 5th magnetic member The magnetic field that part 314 generates can be more compressed in magnetic gap, thus improve the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 3500, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 3500 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be Loop configuration or laminated structure.In another example magnetic circuit component 3500 can not include the second magnetic element 308.In another example magnetic circuit group Part 3500 can be further added to a few magnetic element.In some embodiments, the magnetic element further added Lower surface can connect the upper surface of the second magnetic element 308.The direction of magnetization of the magnetic element further added with The direction of magnetization of first magnetic element 302 is identical.In some embodiments, the upper surface of the magnetic element further added The lower surface of the second magnetic element 308 can be connected.The direction of magnetization of the magnetic element further added is magnetic with first The direction of magnetization of element 302 is opposite.In some embodiments, the magnetic element further added can connect the first magnetism Element 302 and the second magnetic conductive component 306, the direction of magnetization and the second magnetic element of the magnetic element further added 308 direction of magnetization is opposite.
Fig. 8 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3600.Such as Fig. 8 Shown, unlike magnetic circuit component 3100, magnetic circuit component 3600 may further include one or more conducting element (examples Such as, the first conducting element 318, the second conducting element 320 and third conducting element 322).
The conducting element may include metal material, metal alloy compositions, inorganic non-metallic material or other conduction materials Material.Metal material may include gold, silver, copper, aluminium etc.；Metal alloy compositions see may include ferrous alloy, aluminum-based alloy material, Acid bronze alloy, zinc-containing alloy etc.；Inorganic non-metallic material may include graphite etc..The conducting element can be sheet, ring-type, It is netted etc..First conducting element 318 can be set to the upper surface of the first magnetic conductive component 304.Second conducting element 320 can connect Connect the first magnetic element 302 and the second magnetic conductive component 306.Third conducting element 322 can connect the first magnetic element 302 Side wall.In some embodiments, the first magnetic conductive component 304 can protrude from the first magnetic element 302 and form the first recess portion, third Conducting element 322 is set to first recess portion.In some embodiments, the first conducting element 318, the second conducting element 320 And third conducting element 322 may include identical or different conductive material.First conducting element 318, the second conducting element 320 and third conducting element 322 can be separately connected by any one or more connection type described in this application One magnetic conductive component 304, the second magnetic conductive component 306 and/or the first magnetic element 302.
Magnetic gap is formed between first magnetic element 302, the first magnetic conductive component 304 and the inner ring of the second magnetic element 308. Voice coil 328 can be set in the magnetic gap.First magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and second magnetic element 308 can form magnetic loop.In some embodiments, the conducting element can reduce voice coil 328 induction reactance.For example, when if voice coil 328 is passed through the first alternating current, voice coil 328 nearby will produce the first alternation induced field. First alternation induced field under the action of magnetic field, can make voice coil 328 generate induction reactance in the magnetic loop, hinder voice coil 328 Movement.When conducting element is arranged near voice coil 328 (for example, the first conducting element 318, the second conducting element 320 and the Three conducting elements 322), under the first alternation induced field effect, the conducting element can generate the second alternation electricity Stream.Third alternating current in the conducting element can generate the second alternation induced field, second alternation in its vicinity Induced field is with the first alternation induced field direction on the contrary, can weaken the first alternation induced field, to reduce The induction reactance of voice coil 328 increases the electric current in voice coil, improves the sensitivity of bone-conduction speaker.
It is only above specific example to the description of the structure of magnetic circuit component 3600, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 3600 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be Loop configuration or laminated structure.In another example magnetic circuit component 3600 can not include the second magnetic element 308.In another example magnetic circuit group Part 3500 can be further added to a few magnetic element.In some embodiments, the magnetic element further added Lower surface can connect the upper surface of the second magnetic element 308.The direction of magnetization of the magnetic element further added with The direction of magnetization of first magnetic element 302 is identical.
Fig. 9 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 3700.Such as Fig. 9 Shown, unlike magnetic circuit component 3500, magnetic circuit component 3700 may further include third magnetic element 310, the 4th shape Magnetic element 312, the 5th magnetic element 314, third magnetic conductive component 316, the 6th magnetic element 324 and the 7th magnetic element 326.Third magnetic element 310, the 4th magnetic element 312, the 5th magnetic element 314, third magnetic conductive component 316 and/or the 6th Magnetic element 324 and the 7th magnetic element 326 could be provided as coaxial circular cylinder.
In some embodiments, the upper surface of the second magnetic element 308 connects the 7th magnetic element 326, the second magnetic member The lower surface of part 308 can connect third magnetic element 310.Third magnetic element 310 can connect the second magnetic conductive component 306. The upper surface of 7th magnetic element 326 can connect third magnetic conductive component 316.4th shape magnetic element 312 can connect second Magnetic conductive component 306 and the first magnetic element 302.6th magnetic element 324 can connect the 5th magnetic element 314, third is led Magnetic cell 316 and the 7th magnetic element 326.In some embodiments, the first magnetic element 302, the first magnetic conductive component 304, Second magnetic conductive component 306, the second magnetic element 308, third magnetic element 310, the 4th magnetic element 312, the 5th magnetic element 314, third magnetic conductive component 316, the 6th magnetic element 324 and the 7th magnetic element 326 can be formed between magnetic loop and magnetic Gap.
In some embodiments, the direction of magnetization of the second magnetic element 308 can refer to retouching in detail in the application Fig. 3 It states, the direction of magnetization of third magnetic element 310 can refer to the detailed description of the application Fig. 4, the magnetization side of the 4th magnetic element 312 To the detailed description that can be referred in the application Fig. 5.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the 6th magnetic element 324 it Between angle can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization and the 6th of the first magnetic element 302 The direction of magnetization of magnetic element 324 and between angle between 45 degree and 135 degree.In some embodiments, the first magnetic member Angle between the direction of magnetization of part 302 and the direction of magnetization of the 6th magnetic element 324 is not higher than 90 degree.In some embodiments In, the direction of magnetization of the first magnetic element 302 perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (such as Scheme shown in a directions), the direction of magnetization of the 6th magnetic element 324 is directed toward inner ring (g in such as figure by the outer shroud of the 6th magnetic element 324 Shown in direction, the direction of magnetization on the right side of the first magnetic element 302, the first magnetic element 302 deflects clockwise 270 degree).In some embodiments, on same vertical direction, the direction of magnetization of the 6th magnetic element 324 and the 4th magnetic member The direction of magnetization of part 312 can be identical.
In some embodiments, at the position of the 6th magnetic element 324, the direction in the magnetic field that magnetic circuit component 3700 generates Angle between the direction of magnetization of the 6th magnetic element 324 is not higher than 90 degree.In some embodiments, in the 6th magnetic element At 324 position, between the direction and the direction of magnetization of the 6th magnetic element 324 in the magnetic field that the first magnetic element 302 generates Angle can be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
In some embodiments, the magnetization side of the direction of magnetization and the 7th magnetic element 326 of first magnetic element 302 Angle between can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 302 with The direction of magnetization of 7th magnetic element 326 and between angle between 45 degree and 135 degree.In some embodiments, described Angle between the direction of magnetization and the direction of magnetization of the 7th magnetic element 326 of one magnetic element 302 is not higher than 90 degree.One In a little embodiments, the direction of magnetization of the first magnetic element 302 is vertical perpendicular to the lower surface of the first magnetic element 302 or upper surface Upwards (as shown in the directions figure a), the direction of magnetization of the 7th magnetic element 326 is directed toward by the lower surface of the 7th magnetic element 326 (as shown in the directions f in figure, on the right side of the first magnetic element 302, the direction of magnetization of the first magnetic element 302 is along suitable on surface The inclined three-sixth turn of clockwise).In some embodiments, the direction of magnetization of the 7th magnetic element 326 and third magnetic element 310 The direction of magnetization can be opposite.
In some embodiments, at the 7th magnetic element 326, magnetic circuit component 3700 generate magnetic field direction with it is described Angle between the direction of magnetization of 7th magnetic element 326 is not higher than 90 degree.In some embodiments, in the 7th magnetic element At 326 position, between the direction and the direction of magnetization of the 7th magnetic element 326 in the magnetic field that the first magnetic element 302 generates Angle can be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
In magnetic circuit component 3700, third magnetic conductive component 316 can generate magnetic circuit component 3700 magnetic circuit closed so that More magnetic induction line concentrates in the magnetic gap, to reach inhibit leakage field, increase magnetic gap at magnetic induction intensity and carry The effect of sensitivity of high bone-conduction speaker.It is only above specific example to the description of the structure of magnetic circuit component 3700, The embodiment for being not considered as unique feasible.For one of skill in the art, magnetic circuit component is being understood After basic principle, may without departing substantially from this principle, to implement concrete mode and the step of magnetic circuit component 3700 into Row various modifications and variations in form and details, but these modifications and variations are still within the scope of above description.For example, Second magnetic conductive component 306 can be loop configuration or laminated structure.In another example magnetic circuit component 3700 can not include the second magnetic Property element 308.In another example magnetic circuit component 3700 may further include at least one conducting element, the conducting element can be with Connect the first magnetic element 302, the 5th magnetic element 314, the first magnetic conductive component 304, the second magnetic conductive component 306 and/or Three magnetic conductive components 316.In some embodiments, magnetic circuit component 3700 can be further added to a few conducting element, described The conducting element further added can connect the second magnetic element 308, third magnetic element 310, the 4th magnetic element 312, At least one of 6th magnetic element 324 and the 7th magnetic element 326 element.
Figure 10 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4100.Such as figure Shown in 10, magnetic circuit component 4100 may include the first magnetic element 402, the first magnetic conductive component 404, the first full field change member Part 406 and the second magnetic element 408.In some embodiments, the first magnetic element 402 and/or the second magnetic element 408 can To include any one or a few magnet described in this application.First magnetic element 402 may include the first magnet, the second magnetic Property element 408 may include the second magnet, and first magnet can be identical or different with second magnet.First magnetic conduction member Part 404 may include any one or a few permeability magnetic material described in this application, such as mild steel, silicon steel sheet, silicon steel sheet, iron Oxysome etc..In some embodiments, the first magnetic element 402 and/or the first magnetic conductive component 404 could be provided as axially symmetric structure. First magnetic element 402 and/or the first magnetic conductive component 404 can be cylinders.In some embodiments, the first magnetic element 402 and first magnetic conductive component 404 can be coaxial cylinder, contain identical or different diameter.In some embodiments, It can be any one in magnetic element or magnetic conductive component that one full field, which changes element 406,.First full field changes element 406 And/or second magnetic element 408 can be set as cyclic annular or sheet.Change element 406 and the second magnetism about the first full field The description of element 408 may refer to the description (for example, Figure 19 and 20 and its associated description) in specification elsewhere.At some In embodiment, the second magnetic element 408 can be with the first magnetic element 402, the first magnetic conductive component 404 and/or the first full field Change the coaxial circular cylinder of element 406, contains the identical or different inner ring of diameter and/outer shroud.First magnetic conductive component 404 and/ Or first full field change element 406 processing method may include any one or a few processing side described in this application Formula.
The upper surface of first magnetic element 402 can connect the lower surface of the first magnetic conductive component 404, the second magnetic element 408 can connect the first magnetic element 402 and the first full field change element 406.First magnetic element 402, the first magnetic conduction The connection type that element 404, the first full field change between element 406 and/or the second magnetic element 408 can be based on the application Described in any one or a few connection type.In some embodiments, the first magnetic element 402, the first magnetic conductive component 404, the first full field, which changes element 406 and/or the second magnetic element 408, can form magnetic loop and magnetic gap.
In some embodiments, magnetic circuit component 4100 can generate the first full field, and the first magnetic element 402 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, the second magnetic element 408 can generate third magnetic field, and the third magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 402 and the second magnetic element 408 it Between angle can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization and second of the first magnetic element 402 The direction of magnetization of magnetic element 408 and between angle between 45 degree and 135 degree.In some embodiments, the first magnetic member Angle between the direction of magnetization of part 402 and the direction of magnetization of the second magnetic element 408 can be not higher than 90 degree.
In some embodiments, at the position of the second magnetic element 408, direction and the second magnetic of first full field Property element 408 the direction of magnetization between angle be not higher than 90 degree.In some embodiments, in the position of the second magnetic element 408 Place is set, the angle between the direction and the direction of magnetization of the second magnetic element 408 in the magnetic field that the first magnetic element 402 generates can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree..In another example the direction of magnetization of the first magnetic element 402 is vertical In the lower surface of the first magnetic element 402 or upper surface straight up (as schemed shown in the directions a), the magnetic of the second magnetic element 408 Change direction and inner ring is directed toward (as shown in the directions c in figure, on the right side of the first magnetic element 402 by the outer shroud of the second magnetic element 408 The direction of magnetization of side, the first magnetic element 402 deflects 270 degree clockwise).
Compared with the magnetic circuit component of single magnetic element, the first full field in magnetic circuit component 4100 changes element 406 can To improve the total magnetic flux in magnetic gap, and then increase the magnetic induction intensity in magnetic gap.Also, change member in the first full field Under the action of part 406, the magnetic induction line of diverging can be restrained to magnetic gap position originally, further increase the magnetic strength in magnetic gap Answer intensity.
It is only above specific example to the description of the structure of magnetic circuit component 4100, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4100 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4100 can be into one Step includes magnetism-guiding hood, and the magnetism-guiding hood can include the first magnetic element 402, the first magnetic conductive component 404, the change of the first full field Element 406 and the second magnetic element 408.
Figure 11 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4200.Such as figure Shown in 11, unlike magnetic circuit component 4100, magnetic circuit component 4200 may further include third magnetic element 410.
The lower surface of third magnetic element 410 can connect the first full field and change element 406.Third magnetic element 410 Connection type between changing element 406 with the first full field can be connect based on described in this application any one or a few Mode.In some embodiments, the first magnetic element 402, the first magnetic conductive component 404, the first full field change element 406, the Magnetic gap can be formed between two magnetic elements 408 and/or third magnetic element 410.In some embodiments, magnetic circuit component 4200 The first full field can be generated, the first magnetic element 402 can generate the second magnetic field, and first full field is in the magnetic gap Interior magnetic field intensity is more than magnetic field intensity of second magnetic field in the magnetic gap.In some embodiments, third is magnetic Element 410 can generate third magnetic field, and the third magnetic field can improve magnetic field of second magnetic field at the magnetic gap Intensity.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 402 and third magnetic element 410 it Between angle can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization and third of the first magnetic element 402 The direction of magnetization of magnetic element 410 and between angle between 45 degree and 135 degree.In some embodiments, the first magnetic member Angle between the direction of magnetization and the direction of magnetization of third magnetic element 410 of part 402 can be equal to or more than 90 degree.At some In embodiment, the direction of magnetization of the first magnetic element 402 perpendicular to the lower surface of the first magnetic element 402 or upper surface vertically to Upper (as shown in the directions figure a), the direction of magnetization of third magnetic element 410 are directed toward outer shroud (such as by the inner ring of third magnetic element 410 In figure shown in the directions b, on the right side of the first magnetic element 402, the direction of magnetization of the first magnetic element 402 is clockwise It turn 90 degrees partially).
In some embodiments, at the position of third magnetic element 410, direction and the second magnetic of first full field Property element 408 the direction of magnetization between angle be not higher than 90 degree.In some embodiments, in the position of third magnetic element 410 Place is set, the angle between the direction and the direction of magnetization of third magnetic element 410 in the magnetic field that the first magnetic element 402 generates can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with magnetic circuit component 4100, magnetic circuit component 4200 further increases third magnetic element 410.The magnetic member of third Part 410 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 4200, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of third magnetic element 410, magnetic induction line can further be restrained to magnetic gap position, to increase Add the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 4200, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4200 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4200 can be into one Step includes magnetism-guiding hood, and the magnetism-guiding hood can include the first magnetic element 402, the first magnetic conductive component 404, the change of the first full field Element 406, the second magnetic element 408 and third magnetic element 410.
Figure 12 is the structural schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 4300.Such as Figure 12 Shown, unlike magnetic circuit component 4200, magnetic circuit component 4300 may further include the 4th magnetic element 412.
The lower surface of 4th magnetic element 412 can connect the upper surface that the first full field changes element 406, and the 4th is magnetic The upper surface of element 412 can connect the lower surface of the second magnetic element 408.4th magnetic element 412 changes with the first full field Connection type between dependent element 406 and the second magnetic element 408 can be based on it is described in this application any one or it is several Kind connection type.In some embodiments, the first magnetic element 402, the first magnetic conductive component 404, the first full field change element 406, magnetic gap can be formed between the second magnetic element 408, third magnetic element 410 and/or the 4th magnetic element 412.Second The direction of magnetization of magnetic element 408 and third magnetic element 410 can refer to detailed in the application Figure 10 and/or 11 respectively Description.
In some embodiments, magnetic circuit component 4300 can generate the first full field, and the first magnetic element 402 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, the 4th magnetic element 412 can generate third magnetic field, and the third magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the magnetization side of the direction of magnetization and the 4th magnetic element 412 of first magnetic element 402 Angle between can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 402 with The direction of magnetization of 4th magnetic element 412 and between angle between 45 degree and 135 degree.In some embodiments, described Angle between the direction of magnetization and the direction of magnetization of the 4th magnetic element 412 of one magnetic element 402 can be equal to or more than 90 Degree.In some embodiments, the direction of magnetization of the first magnetic element 402 perpendicular to the lower surface of the first magnetic element 402 or on Surface straight up (as shown in figure a directions), the direction of magnetization of the 4th magnetic element 412 by the 4th magnetic element 412 upper table Face direction lower surface (as shown in the directions d in figure, on the right side of the first magnetic element 402, the magnetization side of the first magnetic element 402 To deflecting 180 degree clockwise).
In some embodiments, at the position of the 4th magnetic element 412, direction and the 4th magnetic of first full field Property element 412 the direction of magnetization between angle be not higher than 90 degree.In some embodiments, in the position of the 4th magnetic element 412 Place is set, the angle between the direction and the direction of magnetization of the 4th magnetic element 412 in the magnetic field that the first magnetic element 402 generates can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with magnetic circuit component 4200, magnetic circuit component 4300 further increases the 4th magnetic element 412.4th magnetic member Part 412 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 4300, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 4th magnetic element 412, magnetic induction line can further be restrained to magnetic gap position, to increase Add the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 4300, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4300 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4200 can be into one Step includes one or more conducting element, and one or more of conducting elements can connect the first magnetic element 402, first lead At least one of magnetic cell 404, the second magnetic element 408, third magnetic element 410 and the 4th magnetic element 412 element.
Figure 13 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4400.Such as figure Shown in 13, unlike magnetic circuit component 4300, magnetic circuit component 4400 may further include magnetism-guiding hood 414.
Magnetism-guiding hood 414 may include any one or a few permeability magnetic material described in this application, for example, mild steel, silicon Steel disc, silicon steel sheet, ferrite etc..Magnetism-guiding hood 414 can be connected by any one or a few connection type described in this application It connects the first full field and changes element 406, the second magnetic element 408, third magnetic element 410 and the 4th magnetic element 412.It leads The processing method of magnetic cover 414 may include any one processing method described in this application, for example, casting, plastic processing, cutting Cut one or more combinations such as processing, powder metallurgy.In some embodiments, magnetism-guiding hood 414 may include bottom plate and side wall, institute It is loop configuration to state side wall.In some embodiments, the bottom plate and side wall can be integrally formed.In some embodiments, The bottom plate can connect the side wall by any one or a few connection type described in this application.
Compared with magnetic circuit component 4300, magnetic circuit component 4400 further increases magnetism-guiding hood 414.Magnetism-guiding hood 414 can press down The leakage field of magnetic circuit component 4300 processed, effectively reduces the length of magnetic path and magnetic resistance, to allow more magnetic induction line by magnetic gap, Improve the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 4400, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4400 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4400 can be into one Step includes one or more conducting element, and one or more of conducting elements can connect the first magnetic element 402, first lead At least one of magnetic cell 404, the second magnetic element 408, third magnetic element 410 and the 4th magnetic element 412 element.Again For example, magnetic circuit component 4200 may further include the 5th magnetic element, the lower surface connection first of the 5th magnetic element The upper surface of magnetic conductive component 404, the magnetization side of the direction of magnetization and first magnetic element 402 of the 5th magnetic element To opposite.
Figure 14 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4500.Such as figure Shown in 14, unlike magnetic circuit component 4200, the first full field of magnetic circuit component 4500 changes element 406 and the second magnetic member The joint face of part 408 can be wedge shape section.
Compared with magnetic circuit component 4100, the first full field of magnetic circuit component 4500 changes element 406 and the second magnetic element 408 joint face is configured to wedge shape section, can magnetic induction line smoothly be transferred.Meanwhile the wedge shape section can facilitate First full field changes the assembly of element 406 and the second magnetic element 408 and can reduce assembling assembly number, reduces bone and passes Lead the weight of loud speaker.
It is only above specific example to the description of the structure of magnetic circuit component 4500, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4500 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4500 can be into one Step include one or more conducting element, the conducting element can connect the first magnetic element 402, the first magnetic conductive component 404, At least one of second magnetic element 408 and third magnetic element 410 element.In another example magnetic circuit component 4500 can be into One step includes the 5th magnetic element, and the lower surface of the 5th magnetic element connects the upper surface of the first magnetic conductive component 404, described The direction of magnetization of 5th magnetic element is opposite with the direction of magnetization of first magnetic element 402.In some embodiments, magnetic circuit Component 4500 may further include a magnetism-guiding hood, and the magnetism-guiding hood can include the first magnetic element 402, the first magnetic conduction member Part 404, the first full field change element 406, the second magnetic element 408 and third magnetic element 410.
Figure 15 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4600.Such as figure Shown in 15, unlike magnetic circuit component 4100, magnetic circuit component 4600 may further include the 5th magnetic element 416.One In a little embodiments, the 5th magnetic element 416 may include one or more magnet.The magnet may include described in the application Any one or a few ferromagnetic material.In some embodiments, the 5th magnetic element 416 may include the first magnet, and first Magnetic element 402 may include the second magnet, and the ferromagnetic material that first magnet includes with second magnet can be identical Or it is different.In some embodiments, the 5th magnetic element 416, the first magnetic element 402 and the first magnetic conductive component 404 can be with It is set as axially symmetric structure, for example, the 5th magnetic element 416, the first magnetic element 402 and the first magnetic conductive component 404 can be with It is cylinder.In some embodiments, in some embodiments, the 5th magnetic element 416, the first magnetic element 402 and One magnetic conductive component 404 can be coaxial cylinder, contain identical or different diameter.For example, the first magnetic conductive component 404 Diameter can be more than the first magnetic element 402 and/or the 5th magnetic element 416, and the first magnetic element 402 and/or the 5th is magnetic The side wall of element 416 can form the first recess portion and/or the second recess portion.In some embodiments, the thickness of the second magnetic element 416 Degree and first magnetic element 402, the sum of the thickness of second magnetic element 416 and first magnetic conductive component 404 Ratio range be 0.4-0.6.First magnetic conductive component 404 and first magnetic element 402, second magnetic element 416 And the ratio range of the sum of thickness of first magnetic conductive component 404 is 0.5-1.5.
In some embodiments, the direction of magnetization of the direction of magnetization of the 5th magnetic element 416 and the first magnetic element 402 it Between angle at 150 degree between 180 degree.In some embodiments, the direction of magnetization of the 5th magnetic element 416 and the first magnetism Angle between the direction of magnetization of element 402 is at 90 degree between 180 degree.For example, the direction of magnetization of the 5th magnetic element 416 with The direction of magnetization of first magnetic element 402 is opposite (as shown, the directions a and the directions e).
Compared with magnetic circuit component 4100, magnetic circuit component 4600 further increases the 5th magnetic element 416.5th magnetic member Part 426 can inhibit leakage field of first magnetic element 402 in the direction of magnetization in magnetic circuit component 4600, to make the first magnetic member The magnetic field that part 402 generates can be more compressed in magnetic gap, thus improve the magnetic induction intensity in magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 4600, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4600 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.In some embodiments, magnetic circuit component 4600 may further include one or more conducting elements, and one or more of conducting elements can connect the first magnetic member At least one of part 402, the first magnetic conductive component 404, the second magnetic element 408 and the 5th magnetic element 416 element, example The first recess portion and/or second recess portion as described in being set to one or more of conducting elements.In some embodiments In, magnetic circuit component 4600 can be further added to a few magnetic element, and the magnetic element further added can connect It connects the first full field and changes element 406.In some embodiments, magnetic circuit component 4600 may further include a magnetism-guiding hood, It is magnetic that the magnetism-guiding hood includes the first magnetic element 402, the first magnetic conductive component 404, the first full field changes element 406, second Element 408 and the 5th magnetic element 416.
Figure 16 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4700.Magnetic circuit Component 4700 may include the first magnetic element 402, the first magnetic conductive component 404, the first full field change element 406, the second magnetic Property element 408, third magnetic element 410, the 4th magnetic element 412, the 5th magnetic element 416, the 6th magnetic element 418, Seven magnetic elements 420 and the second ring-type element 422.First magnetic element 402, the first magnetic conductive component 404, the first full field change Dependent element 406, the second magnetic element 408, third magnetic element 410, third magnetic element 410, the 4th magnetic element 412 and 5th magnetic element 416 can refer to the detailed description in the application Figure 10-15.In some embodiments, the first full field changes Dependent element 406 and/or the second ring-type element 422 may include annular magnet element or annular magnetic conductive component.The annular magnet Element may include any one or a few ferromagnetic material described in this application, and the annular magnetic conductive component may include this Shen Please described in any one or a few permeability magnetic material.
In some embodiments, the 6th magnetic element 418 can connect the 5th magnetic element 416 and the second ring-type element 422, the 7th magnetic element 420 can connect third magnetic element 410 and the second ring-type element 422.In some embodiments, First magnetic element 402, the 5th magnetic element 416, the second magnetic element 408, third magnetic element 410, the 4th magnetic element 412, the 6th magnetic element 418 and/or the 7th magnetic element 420 change with first magnetic conductive component 404, the first full field Element 406 and the second ring-type element 422 can form magnetic loop.
The direction of magnetization of second magnetic element 408 can refer to the detailed description in the application Figure 10, third magnetic element 410, the direction of magnetization of the 4th magnetic element 412 and the 5th magnetic element 416 can refer to respectively the application Figure 11,12 and 15 detailed description.
In some embodiments, the magnetization side of the direction of magnetization and the 6th magnetic element 418 of first magnetic element 402 Angle between can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 402 with The direction of magnetization of 6th magnetic element 418 and between angle between 45 degree and 135 degree.In some embodiments, described Angle between the direction of magnetization and the direction of magnetization of the 6th magnetic element 418 of one magnetic element 402 is not higher than 90 degree.One In a little embodiments, the direction of magnetization of the first magnetic element 402 is vertical perpendicular to the lower surface of the first magnetic element 402 or upper surface Upwards (as shown in the directions figure a), the direction of magnetization of the 6th magnetic element 418 is directed toward inner ring by the outer shroud of the 6th magnetic element 418 (as shown in the directions f in figure, on the right side of the first magnetic element 402, the direction of magnetization of the first magnetic element 402 is along clockwise Direction deflects 270 degree).In some embodiments, on same vertical direction, the direction of magnetization of the 6th magnetic element 418 and the The direction of magnetization of two magnetic elements 408 can be identical.In some embodiments, the direction of magnetization of the first magnetic element 402 is vertical In the lower surface of the first magnetic element 402 or upper surface straight up (as schemed shown in the directions a), the magnetic of the 7th magnetic element 420 Change direction and upper surface is directed toward (as shown in the directions e in figure, in the first magnetic element 402 by the lower surface of the 7th magnetic element 420 Right side, the direction of magnetization inclined three-sixth turn clockwise of the first magnetic element 402).In some embodiments, the 7th magnetic The direction of magnetization of property element 420 can be identical with the direction of magnetization of third magnetic element 412.
In some embodiments, at the position of the 6th magnetic element 418, the direction in the magnetic field that magnetic circuit component 4700 generates Angle between the direction of magnetization of the 6th magnetic element 418 is not higher than 90 degree.In some embodiments, in the 6th magnetism At the position of element 418, the direction of magnetization of direction and the 6th magnetic element 418 in the magnetic field that the first magnetic element 402 generates it Between angle can be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
In some embodiments, the magnetization side of the direction of magnetization and the 7th magnetic element 420 of first magnetic element 402 Angle between can be at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 402 with The direction of magnetization of 7th magnetic element 420 and between angle between 45 degree and 135 degree.In some embodiments, described Angle between the direction of magnetization and the direction of magnetization of the 7th magnetic element 420 of one magnetic element 402 is not higher than 90 degree.
In some embodiments, at the position of the 7th magnetic element 420, the direction in the magnetic field that magnetic circuit component 4700 generates Angle between the direction of magnetization of the 7th magnetic element 420 is not higher than 90 degree.In some embodiments, in the 7th magnetism At the position of element 420, the direction of magnetization of direction and the 7th magnetic element 420 in the magnetic field that the first magnetic element 402 generates it Between angle can be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
In some embodiments, it can be annular magnet element that the first full field, which changes element 406,.In this case, The direction of magnetization that first full field changes element 406 can be with the magnetization side of the second magnetic element 408 or the 4th magnetic element 412 To identical.For example, on the right side of the first magnetic element 402, the direction of magnetization that the first full field changes element 406 can be by first The outer shroud that full field changes element 406 is directed toward inner ring.In some embodiments, the second ring-type element 422 can be annular magnet Element.In this case, the direction of magnetization of the second ring-type element 422 can be with the 6th magnetic element 418 or the 7th magnetic member The direction of magnetization of part 420 is identical.For example, on the right side of the first magnetic element 402, the direction of magnetization of the second ring-type element 422 can To be directed toward inner ring by the outer shroud of the second ring-type element 422.
In magnetic circuit component 4700, multiple magnetic elements can improve total magnetic flux, and different magnetic elements interact, Magnetic induction line can be inhibited to leak, improve the magnetic induction intensity at magnetic gap, improve the sensitivity of bone-conduction speaker.
It is only above specific example to the description of the structure of magnetic circuit component 4700, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4700 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.In some embodiments, magnetic circuit component 4700 may further include one or more conducting elements, and one or more of conducting elements can connect the first magnetic member Part 402, the first magnetic conductive component 404, the second magnetic element 408, third magnetic element 410, the 4th magnetic element 412, the 5th magnetic At least one of property element 416, the 6th magnetic element 418 and the 7th magnetic element 420 element.
Figure 17 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4800.Such as figure Shown in 17, unlike magnetic circuit component 4700, magnetic circuit component 4800 may further include magnetism-guiding hood 414.
Magnetism-guiding hood 414 may include any one or a few permeability magnetic material described in this application, for example, mild steel, silicon Steel disc, silicon steel sheet, ferrite etc..Magnetism-guiding hood 414 can be connected by any one or a few connection type described in this application Connect the first magnetic element 402, the first full field changes element 406, the second magnetic element 408, third magnetic element the 410, the 4th Magnetic element 412, the 5th magnetic element 416, the 6th magnetic element 418, the 7th magnetic element 420 and the second ring-type element 422.The processing method of magnetism-guiding hood 414 may include any one processing method described in this application, for example, casting, plasticity One or more combinations such as processing, machining, powder metallurgy.In some embodiments, magnetism-guiding hood may include at least one Bottom plate and side wall, the side wall are loop configuration.In some embodiments, the bottom plate and side wall can be integrally formed. In some embodiments, the bottom plate can connect the side by any one or a few connection type described in this application Wall.For example, magnetism-guiding hood 414 may include the first bottom plate, the second bottom plate and side wall, first bottom plate and side wall can be one Body formed, second bottom plate can connect the side by any one or a few connection type described in this application Wall.
In magnetic circuit component 4800, magnetism-guiding hood 414 can generate magnetic circuit component 4800 magnetic circuit closed so that more Magnetic induction line concentrates in the magnetic gap in the magnetic circuit component 4800, reaches and inhibits leakage field, the magnetic induction increased at magnetic gap strong The effect of sensitivity of degree and raising bone-conduction speaker.
It is only above specific example to the description of the structure of magnetic circuit component 4800, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 4800 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4800 can be into one Step includes one or more conducting element, and one or more of conducting elements can connect the first magnetic element 402, first lead Magnetic cell 404, the second magnetic element 408, third magnetic element 410, the 4th magnetic element 412, the 5th magnetic element 416, At least one of six magnetic elements 418 and the 7th magnetic element 420 element.
Figure 18 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 4900.Such as figure Shown in 18, unlike magnetic circuit component 4100, magnetic circuit component 4900 may further include one or more conducting element (examples Such as, the first conducting element 424, the second conducting element 426 and third conducting element 428).
The description of the conducting element and conducting element 318, conducting element 320 is similar with conducting element 322, and correlation is retouched It states and is not repeated here.
On be only specific example to the description of the structure of magnetic circuit component 4900, be not considered as the reality of unique feasible Apply scheme.For one of skill in the art, after the basic principle for understanding bone magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 4900 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 4900 can be further Including at least one magnetic element and/or magnetic conductive component.
Figure 19 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 5100.Such as figure Shown in 19, magnetic circuit component 5100 may include the first magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506 with And second magnetic element 508.
In some embodiments, the first magnetic element 502 and/or the second magnetic element 508 may include being retouched in the application Any one or a few magnet stated.In some embodiments, the first magnetic element 502 may include the first magnet, the second magnetic Property element 508 may include the second magnet, and first magnet can be identical or different with second magnet.First magnetic conduction member Part 504 and/or the second magnetic conductive component 506 may include any one or a few permeability magnetic material described in this application.First leads The processing method of magnetic cell 504 and/or the second magnetic conductive component 506 may include that described in this application any one or a few adds Work mode.In some embodiments, the first magnetic element 502, the first magnetic conductive component 504 and/or the second magnetic element 508 can be with It is set as axially symmetric structure.For example, the first magnetic element 502, the first magnetic conductive component 504 and/or the second magnetic element 508 can be with It is cylinder.In some embodiments, the first magnetic element 502, the first magnetic conductive component 504 and/or the second magnetic element 508 can To be coaxial cylinder, contain identical or different diameter.The thickness of first magnetic element 502 can be greater than or equal to The thickness of second magnetic element 508.In some embodiments, the second magnetic conductive component 506 can be fluted body structure.The groove Type structure can include U-shaped section (as shown in Figure 19).Second magnetic conductive component 506 of the fluted body may include bottom plate And side wall.In some embodiments, the bottom plate and the side wall can be integrally formed, for example, the side wall can be by Bottom plate is extended to form in the direction perpendicular to bottom plate.In some embodiments, the bottom plate can be by retouching in the application Any one or a few connection type stated connects the side wall.Second magnetic element 508 can be set as cyclic annular or sheet.It closes In the shape of the second magnetic element 508 can refer in specification elsewhere description (for example, Figure 25 to 26 and its related retouch It states).In some embodiments, the second magnetic element 508 can be with the first magnetic element 502 and/or the first magnetic conductive component 504 It is coaxial.
The upper surface of first magnetic element 502 can connect the lower surface of the first magnetic conductive component 504.First magnetic element 502 lower surface can connect the bottom plate of the second magnetic conductive component 506.The lower surface of second magnetic element 508 connects the first magnetic conduction The upper surface of element 504.First magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506 and/or second are magnetic Connection type between element 508 may include one or more combinations such as being bonded, being clamped, welding, riveting, being bolted.
First magnetic element 502, the first magnetic conductive component 504 and/or the second magnetic element 508 and the second magnetic conductive component 506 Side wall between form magnetic gap.Voice coil 520 can be set in the magnetic gap.In some embodiments, the first magnetic member Part 502, the first magnetic conductive component 504, the second magnetic conductive component 506 and the second magnetic element 508 can form magnetic loop.At some In embodiment, magnetic circuit component 5100 can generate the first full field, and the first magnetic element 502 can generate the second magnetic field.It is described First full field is by all components in the magnetic circuit component 5100 (for example, the first magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506 and the second magnetic element 508) generate magnetic field be collectively formed.First full field is in institute The magnetic field intensity (can also be referred to as magnetic induction intensity or magnetic density) stated in magnetic gap exists more than second magnetic field Magnetic field intensity in the magnetic gap.In some embodiments, the second magnetic element 508 can generate third magnetic field, and described Three magnetic fields can improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the second magnetic element 508 and the first magnetic element 502 it Between angle at 90 degree between 180 degree.In some embodiments, the direction of magnetization of the second magnetic element 508 and the first magnetism Angle between the direction of magnetization of element 502 is at 150 degree between 180 degree.In some embodiments, the second magnetic element 508 The direction of magnetization it is opposite with the direction of magnetization of the first magnetic element 502 (as shown, the directions a with the directions b).
Compared with the magnetic circuit component of single magnetic element, magnetic circuit component 5100 increases the second magnetic element 508.Second magnetic Property 508 direction of magnetization of element is with 502 direction of magnetization of the first magnetic element on the contrary, the first magnetic element 502 can be inhibited to magnetize Leakage field on direction to which the magnetic field for alloing the first magnetic element 502 to generate more is compressed in magnetic gap, thus carries Magnetic induction intensity in high magnetic gap.
It is only above specific example to the description of the structure of magnetic circuit component 5100, is not considered as unique feasible Embodiment.It, may be not after the basic principle for understanding bone magnetic circuit component for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 5100 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 506 can be with It is loop configuration or laminated structure.In another example magnetic circuit component 5100 may further include a conducting element, the conductive element Part can connect the first magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506 and the second magnetic element 508。
Figure 20 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 5200.Such as figure Shown in 20, unlike magnetic circuit component 5100, magnetic circuit component 5200 may further include third magnetic element 510.
The lower surface of third magnetic element 510 connects the side wall of the second magnetic conductive component 506.First magnetic element 502, Magnetic gap can be formed between one magnetic conductive component 504, the second magnetic element 508 and/or third magnetic element 510.Voice coil 520 can To be set in the magnetic gap.In some embodiments, the first magnetic element 502, the first magnetic conductive component 504, the second magnetic conduction Element 506, the second magnetic element 508 and third magnetic element 510 can form magnetic loop.In some embodiments, second The direction of magnetization of magnetic element 508 can refer to the detailed description of the application Fig. 3.
In some embodiments, magnetic circuit component 5200 can generate the first full field, and the first magnetic element 502 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, third magnetic element 510 can generate third magnetic field, and the third magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 502 and third magnetic element 510 it Between angle at 0 degree between 180 degree.In some embodiments, the magnetic member of the direction of magnetization Yu third of the first magnetic element 502 The direction of magnetization of part 510 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 502 Angle between the direction of magnetization and the direction of magnetization of the third magnetic element 510 is equal to or more than 90 degree.In some embodiments In, the direction of magnetization of the first magnetic element 502 perpendicular to the lower surface of the first magnetic element 502 or upper surface straight up (such as Direction shown in a in figure), the direction of magnetization of third magnetic element 510 is directed toward outer shroud (as schemed by the inner ring of third magnetic element 510 Middle c institutes direction shows that the direction of magnetization on the right side of the first magnetic element 502, the first magnetic element 502 is inclined clockwise It turn 90 degrees).
In some embodiments, at the position of third magnetic element 510, direction and the third magnetic of first full field Property element 510 the direction of magnetization between angle be not higher than 90 degree.In some embodiments, in the position of third magnetic element 510 Place is set, the angle between the direction and the direction of magnetization of third magnetic element 510 in the magnetic field that the first magnetic element 502 generates can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with magnetic circuit component 5100, magnetic circuit component 5200 further increases third magnetic element 510.The magnetic member of third Part 510 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 5200, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of third magnetic element 510, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.
Figure 21 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 5300.Such as figure Shown in 21, unlike magnetic circuit component 5100, magnetic circuit component 5300 may further include the 4th magnetic element 512.
4th magnetic element 512 can by bonding, clamping, one or more combinations such as welding, rivet, be bolted and connect Connect the side wall of the first magnetic element 502 and the second magnetic conductive component 506.In some embodiments, the first magnetic element 502, One magnetic conductive component 504, the second magnetic conductive component 506, the second magnetic element 508 and the 4th magnetic element 512 can be formed between magnetic Gap.In some embodiments, the direction of magnetization of the second magnetic element 508 can refer to the detailed description of the application Figure 19.
In some embodiments, magnetic circuit component 5200 can generate the first full field, and the first magnetic element 502 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, the 4th magnetic element 512 can generate the 4th magnetic field, and the 4th magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 502 and the 4th magnetic element 512 it Between angle at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 502 and the 4th magnetic member The direction of magnetization of part 512 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 502 Angle between the direction of magnetization and the direction of magnetization of the 4th magnetic element 512 is not higher than 90 degree.In some embodiments, the first magnetic Property element 502 the direction of magnetization perpendicular to the lower surface of the first magnetic element 502 or upper surface straight up (such as the directions figure a institute Show), the direction of magnetization of the 4th magnetic element 512 by the outer shroud of the 4th magnetic element 512 be directed toward inner ring (as shown in the directions e in figure, The direction of magnetization on the right side of the first magnetic element 502, the first magnetic element 502 deflects 270 degree clockwise).
In some embodiments, at the position of the 4th magnetic element 512, the direction of first full field and described the Angle between the direction of magnetization of four magnetic elements 512 is not higher than 90 degree.In some embodiments, in the 4th magnetic element 512 Position, the first magnetic element 502 generate magnetic field direction and the direction of magnetization of the 4th magnetic element 512 between angle can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.
Compared with magnetic circuit component 5200, magnetic circuit component 5300 further increases the 4th magnetic element 512.4th magnetic member Part 512 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 5300, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 4th magnetic element 512, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.
Figure 22 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 5400.Such as figure Shown in 22, unlike magnetic circuit component 5200, magnetic circuit component 5400 may further include the 5th magnetic element 514.
The lower surface of third magnetic element 510 connects the 5th magnetic element 514, and the lower surface of the 5th magnetic element 514 connects Connect the side wall of the second magnetic conductive component 506.First magnetic element 502, the first magnetic conductive component 504, the second magnetic element 508 and/or Magnetic gap can be formed between third magnetic element 510.Voice coil 520 can be set in the magnetic gap.In some embodiments In, the magnetic member of the first magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506, the second magnetic element 508, third Part 510 and the 5th magnetic element 514 can form magnetic loop.In some embodiments, the magnetization of the second magnetic element 508 Direction and third magnetic element 510 can refer to the detailed description of the application Figure 19 and 20.
In some embodiments, magnetic circuit component 5400 can generate the first full field, and the first magnetic element 502 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, the 5th magnetic element 514 can generate the 5th magnetic field, and the 5th magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 502 and the 5th magnetic element 514 it Between angle at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 502 and the 5th magnetic member The direction of magnetization of part 514 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 502 Angle between the direction of magnetization and the direction of magnetization of the 5th magnetic element 514 is equal to or more than 90 degree.
In some embodiments, at the position of the 5th magnetic element 514, direction and the 5th magnetic of first full field Property element 514 the direction of magnetization between angle be not higher than 90 degree.In some embodiments, in the position of the 5th magnetic element 514 Place is set, the angle between the direction and the direction of magnetization of the 5th magnetic element 514 in the magnetic field that the first magnetic element 502 generates can To be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.In some embodiments, the magnetization of the first magnetic element 502 Direction perpendicular to the lower surface of the first magnetic element 502 or upper surface straight up (as shown in the directions figure a), the 5th magnetic element 514 direction of magnetization is directed toward lower surface (as shown in the directions d in figure, in the first magnetic member by the upper surface of the 5th magnetic element 514 The direction of magnetization on the right side of part 502, the first magnetic element 502 deflects 180 degree clockwise).
Compared with magnetic circuit component 5200, magnetic circuit component 5400 further increases the 5th magnetic element 514.5th magnetic member Part 514 can further increase the total magnetic flux in magnetic gap in magnetic circuit component 5400, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 4th magnetic element 514, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.
Figure 23 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 5500.Such as figure Shown in 23, unlike magnetic circuit component 5300, magnetic circuit component 5500 may further include the 6th magnetic element 516.
6th magnetic element 516 can by bonding, clamping, one or more combinations such as welding, rivet, be bolted and connect Connect the side wall of the second magnetic element 508 and the second magnetic conductive component 506.In some embodiments, the first magnetic element 502, One magnetic conductive component 504, the second magnetic conductive component 506, the second magnetic element 508, the 4th magnetic element 512 and the 6th magnetic element 516 can form magnetic gap.In some embodiments, the direction of magnetization of the second magnetic element 508 and the 4th magnetic element 512 can With the detailed description with reference to the application Figure 19 and 21.
In some embodiments, magnetic circuit component 5500 can generate the first full field, and the first magnetic element 502 can produce Raw second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Interior magnetic field intensity.In some embodiments, the 6th magnetic element 516 can generate the 6th magnetic field, and the 6th magnetic field can be with Improve magnetic field intensity of second magnetic field at the magnetic gap.
In some embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 502 and the 6th magnetic element 516 it Between angle at 0 degree between 180 degree.In some embodiments, the direction of magnetization of the first magnetic element 502 and the 6th magnetic member The direction of magnetization of part 516 and between angle between 45 degree and 135 degree.In some embodiments, first magnetic element 502 Angle between the direction of magnetization and the direction of magnetization of the 6th magnetic element 516 is not higher than 90 degree.In some embodiments, the first magnetic Property element 502 the direction of magnetization perpendicular to the lower surface of the first magnetic element 502 or upper surface straight up (such as the directions figure a institute Show), the direction of magnetization of the 6th magnetic element 516 by the outer shroud of the 6th magnetic element 516 be directed toward inner ring (as shown in the directions f in figure, The direction of magnetization on the right side of the first magnetic element 502, the first magnetic element 502 deflects 270 degree clockwise).
In some embodiments, at the position of the 6th magnetic element 516, direction and the 6th magnetic of first full field Property element 516 the direction of magnetization between angle be not higher than 90 degree.In some embodiments, in the position of the 6th magnetic element 516 Set place, the angle between the direction and the direction of magnetization of the 6th magnetic element 516 in the magnetic field that the first magnetic element 502 generates can be with It is 90 degree, 110 degree, the angles for being more than 90 degree such as 120 degree.
Compared with magnetic circuit component 5100, it is magnetic that magnetic circuit component 5500 further increases the 4th magnetic element 512 and the 6th Element 516.4th magnetic element 512 and the 6th magnetic element 516 can improve magnetic total in magnetic gap in magnetic circuit component 5500 Flux improves the magnetic induction intensity at magnetic gap, to improve the sensitivity of bone-conduction speaker.
Figure 24 is the Longitudinal cross section schematic according to a kind of magnetic circuit component shown in some embodiments of the present application 5600.Such as figure Shown in 24, unlike magnetic circuit component 5100, magnetic circuit component 5600 may further include third magnetic conductive component 518.
In some embodiments, third magnetic conductive component 518 may include that described in this application any one or a few is led Magnetic material.Permeability magnetic material included by first magnetic conductive component 504, the second magnetic conductive component 506 and/or third magnetic conductive component 518 can With identical or different.In some embodiments, third magnetic conductive component 5186 could be provided as symmetrical structure.For example, third magnetic conduction Element 518 can be cylinder.In some embodiments, the first magnetic element 502, first the 504, second magnetic member of magnetic conductive component Part 508 and/or third magnetic conductive component 518 can be coaxial cylinders, contain identical or different diameter.Third magnetic conduction member Part 518 can connect the second magnetic element 508.In some embodiments, third magnetic conductive component 518 can connect the second magnetic member Part 5084 and the second magnetic conductive component 506 are so that third magnetic conductive component 518 and the second magnetic conductive component 506 form a cavity, institute It can includes the first magnetic element 502, the second magnetic element 508 and the first magnetic conductive component 504 to state cavity.
Compared with magnetic circuit component 5100, magnetic circuit component 5600 further increases third magnetic conductive component 518.Third magnetic conduction member Part 518 can inhibit leakage field of second magnetic element 508 in the direction of magnetization in magnetic circuit component 5600, to make the second magnetic member The magnetic field that part 508 generates can be more compressed in magnetic gap, thus improve the magnetic induction intensity in magnetic gap.
Figure 25 is according to a kind of cross-sectional view of magnetic element structure shown in some embodiments of the present application.It is described Magnetic element 600 can be adapted in the application in any magnetic circuit component (for example, magnetic circuit component shown in Fig. 3-24).As schemed Show, magnetic element 600 can be cricoid.Magnetic element 600 may include inner ring 602 and outer shroud 604.In some embodiments In, the shape of the inner ring 602 and/or outer shroud 604 can be circle, ellipse, triangle, quadrangle or other arbitrary polygon Shape.
Figure 26 is according to a kind of schematic diagram of magnetic element structure shown in some embodiments of the present application.The magnetic member Part can be adapted in the application in any magnetic circuit component (for example, magnetic circuit component shown in Fig. 3-24).As shown, the magnetic Property element can be rearranged by multiple magnets.It the both ends of any one magnet of the magnet can be with the two of adjacent magnet End connects or there are certain spacing.Spacing between multiple magnets can be identical or different.In some embodiments, the magnetic Property element can be made of magnet (for example, magnet 608-2,608-4 and 608-6) equidistant arrangement of 2 or 3 sheets.Institute The shape for stating the magnet of sheet can be sector, quadrangle etc..
Figure 27 is the direction of magnetization schematic diagram according to magnetic element in magnetic circuit component shown in some embodiments of the present application. As described in Figure, the magnetic circuit component may include the first magnetic element 601, the second magnetic element 603 and third magnetic element 605.The direction of magnetization of first magnetic element 601 can be directed toward upper surface by the lower surface of the first magnetic element 601 (to hang down Directly in paper outwardly direction).Second magnetic element 603 can surround the first magnetic element 601 and be arranged.Second magnetic element Magnetic gap can be formed between 503 inner ring and the inner ring of the first magnetic element 601.The direction of magnetization of second magnetic element 603 Can outer shroud be directed toward by the inner ring of the second magnetic element 603.The inner ring of third magnetic element 605 can connect the first magnetic member The outer shroud of part 601, the outer shroud of third magnetic element 605 can connect the inner ring of the second magnetic element 603.Third magnetic element 605 direction of magnetization can be directed toward inner ring by the outer shroud of third magnetic element 603.
Figure 28 is the line of magnetic induction according to the magnetic element in a kind of magnetic circuit component shown in some embodiments of the present application Schematic diagram.As shown, magnetic circuit component 600 may include the first magnetic element (for example, the magnetic circuit component as shown in Fig. 3-24) 602 and second magnetic element 604.The direction of magnetization of first magnetic element 602 can be the lower surface of the first magnetic element 602 It is directed toward upper surface (as shown by arrow a).First magnetic element 602 can generate the second magnetic field, and second magnetic field can be by magnetic The line of induction indicates (solid line indicates in the presence of no second magnetic element 604 in figure, the distribution in the second magnetic field), described Magnetic direction of second magnetic field at certain point is tangential direction of this on the line of magnetic induction.The magnetic of second magnetic element 604 Change the inner ring that direction can be the second magnetic element 604 and is directed toward outer shroud (as shown by the arrowb).Second magnetic element 604 can produce Raw third magnetic field.The third magnetic field can also be indicated that (dotted line is indicated in no first magnetic element 602 in figure by the line of magnetic induction In the presence of, the distribution in third magnetic field), magnetic direction of the third magnetic field at certain point is the point in third magnetic strength Answer the tangential direction on line.Under the interaction in second magnetic field and the third magnetic field, the magnetic circuit component 600 can be with Generate the first full field.Magnetic field intensity of first full field at voice coil 606 is more than second magnetic field or the third Magnetic field intensity of the magnetic field at voice coil 606.As shown, magnetic direction of second magnetic field at voice coil 606 and described the The angle of the direction of magnetization of two magnetic elements 604 is less than or equal to 90 degree.
Figure 29 is the magnetic induction line distribution schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 700. As shown, magnetic circuit component 700 may include the first magnetic element 702, the first magnetic conductive component 704, the second magnetic conductive component 706 with And second magnetic element 714.First magnetic element 702, the first magnetic conductive component 704, the second magnetic conductive component 706 and second are magnetic Element 714 can refer to the application Fig. 6 in the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 with And second magnetic element 314 detailed description.The direction of magnetization of first magnetic element 702 and the magnetic for being the second magnetic element 714 Change direction on the contrary, the magnetic induction line interaction that magnetic induction line and the second magnetic element 714 that the first magnetic element 702 generates generate, More vertical of magnetic induction line and the magnetic induction line that the second magnetic element 714 generates that first magnetic element 702 generates is worn Voice coil 728 is crossed, the magnetic induction line of the first leakage of the direction of magnetization at voice coil 728 of magnetic element 702 is reduced.
Figure 30 be according to voice coil shown in some embodiments of the present application at magnetic induction intensity and Figure 29 shown in magnetic circuit The relation curve of component thickness in component 700.Wherein, abscissa is 702 thickness of the first magnetic element (h3) and the first magnetic member The sum of the thickness of 702 thickness of part (h3), 704 thickness of the first magnetic conductive component (h2) and 714 thickness of the second magnetic element (h5) (h2 + h3+h5) ratio, hereinafter referred to as first thickness ratio.Ordinate is the normalization magnetic induction intensity at voice coil 728, the normalizing Change magnetic induction intensity can be under the magnetic loop that actual magnetic induction intensity is formed with single magnetic magnetic circuit component at voice coil 728 most Big magnetic strength intensity ratio.The list magnetic circuit component also refers to only include a magnetic in the magnetic loop that magnetic circuit component is formed Property element.For example, single magnetic magnetic circuit component may include the first magnetic element, the first magnetic conductive component and the second magnetic conduction member Part.Magnetism member in single magnetic magnetic circuit component in the volume and multipath magnetic circuit component corresponding with single magnetic circuit component of magnetic element The sum of the volume of part (for example, the first magnetic element 702 in magnetic circuit component 700 and second magnetic element 714) is equal.K is The thickness (h2) of one magnetic conductive component 704 and the first magnetic element 702, the first magnetic conductive component 704 and the second magnetic element 714 The ratio of the sum of thickness (h2+h3+h5), hereinafter referred to as second thickness ratio (in figure with " k " to indicate).As shown, with First thickness than gradually increase, the magnetic induction intensity at voice coil 728 gradually increases, and is continuously decreased after reaching a certain value, i.e., Magnetic induction intensity at the voice coil 728 there are maximum, the corresponding first thickness of the maximum than range in 0.4- Between 0.6.The corresponding second thickness of the maximum than range between 0.26-0.34.
Figure 31 is the magnetic induction line distribution schematic diagram that 800 are organized according to a kind of magnetism shown in some embodiments of the present application.Such as Shown in figure, magnetic circuit component 800 may include the first magnetic element 802, the first magnetic conductive component 804, the second magnetic conductive component 806, Two magnetic elements 814 and third magnetic conductive component 816.First magnetic element 802, the first magnetic conductive component 804, the second magnetic conductive component 806, the second magnetic element 814 and third magnetic conductive component 816 can refer in the application Fig. 7 to the first magnetic element 302, First magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element 308, the second magnetic element 314 and third magnetic conduction The detailed description of element 316.Wherein, third magnetic conductive component 816 is not connect with the second magnetic conductive component 806.First magnetic element 802 The direction of magnetization and be the second magnetic element 814 the direction of magnetization on the contrary, the first magnetic element 802 generate magnetic induction line and second The magnetic induction line interaction that magnetic element 814 generates so that the magnetic induction line and the second magnetic element that the first magnetic element 802 generates 814 magnetic induction lines generated can be more pass perpendicularly through voice coil 828, reduce leakage of first magnetic element 802 at voice coil 828 Magnetic induction line.Third magnetic conductive board 816 further decreases the magnetic induction line of leakage of first magnetic element 802 at voice coil 828.
Figure 32 be according to voice coil shown in some embodiments of the present application at magnetic induction intensity and magnetic circuit component in element The relation curve of thickness.Wherein, magnetic circuit component 700 shown in curve a corresponding diagrams 29, magnetic circuit group shown in curve b corresponding diagrams 31 Part 800.Abscissa is first thickness ratio, and ordinate is the normalization magnetic induction intensity at voice coil 728 or 828, and described first is thick Degree is than that can refer to the detailed description in illustrations 7 with normalization magnetic induction intensity.Curve a is voice coil 728 in magnetic circuit group Magnetic induction intensity in part 700 and first thickness than variation relation curve, curve b is voice coil 828 in magnetic circuit component 800 Magnetic induction intensity and first thickness than variation relation curve.As shown in figure 32, the magnetic circuit component of setting third magnetic conductive component 816 800, first thickness than range between 0-0.55 in the case of, the magnetic induction intensity at voice coil 828 is significantly stronger than voice coil Magnetic induction intensity at 728 (such as the corresponding magnetic induction intensity of curve b is higher than the corresponding magnetic induction intensity of curve a).In the first thickness In the case of spending the range of ratio between 0.55-1, the magnetic induction intensity at voice coil 828 is substantially less than the magnetic induction at voice coil 728 Intensity (such as the corresponding magnetic induction intensity of curve b is less than the corresponding magnetic induction intensity of curve a).
Figure 33 is the magnetic induction line distribution schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 900. As shown, magnetic circuit component 900 may include the first magnetic element 902, the first magnetic conductive component 904, the second magnetic conductive component 906, Second magnetic element 914 and third magnetic conductive component 916.First magnetic element 902, the first magnetic conductive component 904, the second magnetic conduction member Part 906, the second magnetic element 914 and third magnetic conductive component 916 can refer in the application Fig. 7 to the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element 308, the 5th magnetic element 314 and third The detailed description of magnetic conductive component 316.Third magnetic conductive component 916 connects the second magnetic conductive component 906.The magnetic of first magnetic element 902 It is opposite with the direction of magnetization of the second magnetic element 914 to change direction.The magnetic field of first magnetic element 902 and the second magnetic element 914 Magnetic field it is mutually exclusive in the intersection of the first magnetic element 902 and the second magnetic element 914 so that originally diverging magnetic field (for example, the magnetic field only generated by the first magnetic element 902 or the magnetic field only generated by the second magnetic element 914) is mutually being arranged Voice coil 928 can be passed through under the magnetic fields of reprimand, to increase the magnetic field intensity at voice coil 928.Third magnetic conductive board 916 and second Magnetic conductive component 906 connects so that the magnetic field of the second magnetic element 914 and the first magnetic element 902 is bound in the second magnetic conduction In the magnetic loop that element 906 and third magnetic conductive component 916 are formed, the magnetic induction intensity at voice coil 928 is further increased.
Figure 34 is the pass according to each component thickness in magnetic induction intensity shown in some embodiments of the present application and magnetic circuit component It is curve.Wherein, magnetic circuit component 700 shown in curve a corresponding diagrams 29, magnetic circuit component 800 shown in curve b corresponding diagrams 31 are bent Magnetic circuit component 900 shown in line c corresponding diagrams 33.Abscissa is the first magnetic element (702,802,902) thickness (h3), with first The ratio of the sum of the thickness of magnetic element (702,802,902) and the second magnetic element (714,814,914) (h3+h5), with It is referred to as third thickness ratio down.Ordinate is the normalization magnetic induction intensity at voice coil (728,828,928), normalized magnetic strength Intensity is answered to can refer to the detailed description in the application Figure 30.Curve a is magnetic induction intensity of the voice coil 728 in magnetic circuit component 700 With first thickness than variation relation curve, curve b is magnetic induction intensity of the voice coil 828 in magnetic circuit component 800 and the first thickness Spend the variation relation curve of ratio, curve c be magnetic induction intensity of the voice coil 928 in magnetic circuit component 900 and first thickness than change Change relation curve.As shown in figure 34, include the magnetic circuit group of third magnetic conductive component (for example, magnetic conductive component 814, magnetic conductive component 914) Part 800 and 900, in the case where first thickness ratio is less than 0.7, the magnetic at corresponding voice coil (for example, voice coil 828, voice coil 928) Induction is better than in the magnetic circuit component 700 not comprising third magnetic conductive component magnetic induction intensity (such as curve b, song at voice coil 728 The corresponding magnetic induction intensity of line c is higher than the corresponding magnetic induction intensity of curve a).When third magnetic conductive component and the second magnetic conductive component phase (for example, the third magnetic conductive component 916 and the second magnetic conductive component 906 in magnetic circuit component 900 are connected with each other), voice coil when connecting Magnetic induction intensity at 928 is better than the magnetic induction intensity at voice coil 828, and (such as the corresponding magnetic induction intensity of curve c is higher than curve b Corresponding magnetic induction intensity).
Figure 35 be according to voice coil shown in some embodiments of the present application at magnetic induction intensity and Figure 33 shown in magnetic circuit The relation curve of component thickness in component 900.Abscissa is second thickness ratio (in figure with " k " to indicate), and ordinate is sound The normalization magnetic induction intensity at 928 is enclosed, the second thickness ratio can refer to normalization magnetic induction intensity in the application Figure 30 Detailed description.As shown in figure 35, as second thickness ratio gradually increases, the magnetic induction intensity at voice coil 928 progressively increases to Reduce after maximum value.The corresponding second thickness of the magnetic induction intensity maximum value than range between 0.3-0.6.
Figure 36 is the structural schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 1000.As schemed Show, bone-conduction speaker 1000 may include the first magnetic element 1002, the first magnetic conductive component 1004, the second magnetic conductive component 1006 And first conducting element 1008.First magnetic element 1002, the first magnetic conductive component 1004, the second magnetic conductive component 1006 and First conducting element 1008 can refer to the associated description in the application.First conducting element 1004 can protrude from the first magnetism Element 1002, forms the first recess portion, and the first conducting element 1008 can be arranged and first recess portion and connect first magnetic first Part 1002.
First magnetic element 1002, the first magnetic conductive component 1004 and the second magnetic conductive component 1006 can form magnetic gap. Voice coil 1010 can be positioned in the magnetic gap.The cross-sectional shape of voice coil 1010 can be round or non-circular such as ellipse Circle, rectangle, square, pentagon, other polygons or other irregular shapes.In some embodiments, voice coil 1010 Interior to be passed through alternating current, the direction of the alternating current is as shown, inwards perpendicular to paper.By the first magnetic element 1002, in the magnetic loop that the first magnetic conductive component 1004 and the second magnetic conductive component 1006 are formed, voice coil 1010 is in the magnetic loop In magnetic fields under, the induced field A (can also be referred to as " the first alternation induced field ") of alternation, the sense can be generated It is counterclockwise (as indicated at a) to answer the direction of magnetic field A.The induced field A of the alternation can to generate in voice coil 1010 anti- To induced current, to reduce electric current in voice coil 1010.Induced field A effect of first conducting element 1008 in the alternation Under can generate alternation induced current, under magnetic fields of the alternation induced current in the magnetic loop, friendship can be generated The induced field B (can also be referred to as " the second alternation induced field ") of change.The direction of the induced field B is counterclockwise (as shown in B).Since the direction of induced field A and induced field B is on the contrary, so that the reverse induction in voice coil 1010 is electric Stream reduces, i.e., the induction reactance in voice coil 1010 reduces, and increases the electric current in voice coil 1010.
On be only specific example to the description of the structure of magnetic circuit component 1000, be not considered as the reality of unique feasible Apply scheme.It, may be not after the basic principle for understanding bone-conduction speaker for one of skill in the art In the case of this principle, to implementing concrete mode and the step progress of magnetic circuit component 1000 in form and details various Modifications and variations, but these modifications and variations are still within the scope of above description.For example, the first conducting element 1008 can be with It is set near voice coil 1010, such as the inner wall of voice coil 1010, outer wall, upper surface and/or lower surface.
Figure 37 is according to conducting element pair in magnetic circuit component 1000 shown in Figure 36 shown in some embodiments of the present application The influence curve of induction reactance in voice coil.Wherein, curve a corresponds to the magnetic circuit component 1000 that the first conducting element 1008 is not arranged, curve b It is correspondingly arranged the magnetic circuit component 1000 of the first conducting element 1008.Abscissa is alternating current frequency in voice coil 1010, ordinate For induction reactance in voice coil 1010.As shown in figure 37, when alternating current frequency increases to 1000HZ or so, induction reactance is with friendship in voice coil 1010 The increase of time-dependent current frequency and increase, in the case where the first conducting element 1008 are arranged, induction reactance in voice coil is substantially less than not Induction reactance in voice coil when first conducting element 1008 is set (such as the corresponding induction reactance of curve b is less than the corresponding induction reactance of curve a).
Figure 38 is the structural schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 1100.As schemed Show, magnetic circuit component 1100 may include the first magnetic element 1102, the first magnetic conductive component 1104, the second magnetic conductive component 1106 and First conducting element 1118.First magnetic element 1102, the first magnetic conductive component 1104, the second magnetic conductive component 1106 and first Conducting element 1118 can refer to the associated description in the application.First conducting element 1118 can connect the first magnetic conductive component 1104 upper surface.The shape of first conducting element 1118 can be sheet, ring-type, netted, orifice plate etc..
First magnetic element 1102, the first magnetic conductive component 1104 and the second magnetic conductive component 1106 can form magnetic gap. Voice coil 1128 can be positioned in the magnetic gap.The cross-sectional shape of voice coil 1128 can be round or non-circular.It is described non- Circle may include ellipse, triangle, quadrangle, pentagon, other polygons or other irregular shapes.
It is only above specific example to the description of the structure of magnetic circuit component 1100, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 1100 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, the first conducting element 1118 can be set It is placed near voice coil 1128, such as the inner wall of voice coil 1128, outer wall, upper surface and/or lower surface.
Figure 39 is according to magnetic conductive component pair in magnetic circuit component 1100 shown in Figure 38 shown in some embodiments of the present application The influence curve of induction reactance in voice coil.Wherein, curve a corresponds to the magnetic circuit component 1100 that the first conducting element 1118 is not arranged, curve b It is correspondingly arranged the magnetic circuit component 1100 of the first conducting element 1118.Abscissa is alternating current frequency in voice coil 1110, ordinate For induction reactance in voice coil 1110.As shown in figure 39, when alternating current frequency increases to 1000HZ or so, induction reactance is with friendship in voice coil 1110 The increase of time-dependent current frequency and increase, in the case where the first conducting element 1118 are arranged, the induction reactance in voice coil 1110 is significantly low (such as the corresponding induction reactance of curve b is less than the corresponding senses of curve a to induction reactance in voice coil when the first conducting element 1118 is not arranged It is anti-).
Figure 40 is the structural schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 1200.As schemed Show, magnetic circuit component 1200 may include the first magnetic element 1202, the first magnetic conductive component 1204, the second magnetic conductive component 1206, One conducting element 1218, the second conducting element 1220 and third conducting element 1222.First magnetic element 1202, first are led Magnetic cell 1204, the second magnetic conductive component 1206, the first conducting element 1218, the second conducting element 1220, third conducting element 1222 can refer to the associated description of the application Fig. 8.First magnetic element 1102, the first magnetic conductive component 1104 and the second magnetic conduction Element 1106 can form magnetic gap.Voice coil 1228 can be positioned in the magnetic gap.The cross-sectional shape of voice coil 1228 can To be round or non-circular.It is described it is non-circular may include ellipse, triangle, quadrangle, pentagon, other polygons or its Its irregular shape.
It is only above specific example to the description of the structure of magnetic circuit component 1200, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 1200 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, the first conducting element 1218 can be set It is placed near voice coil 1228, such as the inner wall of voice coil 1228, outer wall, upper surface and/or lower surface.
Figure 41 is according to conductive element number of packages in magnetic circuit component 1220 shown in Figure 40 shown in some embodiments of the present application Measure the influence curve to induction reactance in voice coil.Curve m corresponds to the magnetic circuit component that conducting element is not arranged, and curve n is correspondingly arranged one The magnetic circuit component (magnetic circuit component 1000 as shown in figure 36) of conducting element, curve l is correspondingly arranged the magnetic circuit of multiple conducting elements Component (magnetic circuit component 1200 as shown in figure 40).Abscissa is alternating current frequency in voice coil, and institute's ordinate really feels for voice coil It is anti-.As shown in figure 41, when alternating current frequency increases to 1000HZ or so, in voice coil induction reactance with the increase of alternating current frequency and Increase, in the case of setting one or more conducting elements, sound when conducting element is not arranged substantially less than in the induction reactance in voice coil Induction reactance in circle (such as the corresponding induction reactance of curve n and l is less than the corresponding induction reactance of curve m).In the feelings that multiple conducting elements are arranged Under condition, the induction reactance in voice coil is substantially less than induction reactance (such as corresponding induction reactance of curve l in a voice coil when conducting element is arranged Induction reactance corresponding less than curve n)
Figure 42 is the structural schematic diagram according to a kind of magnetic circuit component shown in some embodiments of the present application 1300.As schemed Show, magnetic circuit component 1300 may include the first magnetic element 1302, the first magnetic conductive component 1304, first annular element 1306, One annular magnet element 1308, the second annular magnet element 1310, third annular magnet element 1312, magnetism-guiding hood 1314 and Two magnetic elements 1316.First magnetic element 1302, the first magnetic conductive component 1304, first annular element 1306, first annular magnetic Property element 1308, the second annular magnet element 1310, third annular magnet element 1312, magnetism-guiding hood 1314 and the second magnetic member Part 1316 can refer to the detailed description in the application Figure 10-18.
First magnetic element 1302, the first magnetic conductive component 1304, the second magnetic element 1316, the second annular magnet element 1310 and/or third annular magnet element 1312 can form magnetic gap.Voice coil 1328 can be positioned in the magnetic gap.Sound Circle 1328 can be round or non-circular.It is described it is non-circular may include ellipse, triangle, quadrangle, pentagon, Qi Taduo Side shape or other irregular shapes.
It is only above specific example to the description of the structure of magnetic circuit component 1300, is not considered as unique feasible Embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, it may not carry on the back In the case of from this principle, repaiied to implementing concrete mode and the step progress of magnetic circuit component 1300 in form and details various Just and change, but these modifications and variations are still within the scope of above description.For example, magnetic circuit component 1300 can be further Including one or more conducting elements, the conducting element can be set near voice coil 1328, such as the inner wall of voice coil 1328, Outer wall, upper surface and/or lower surface.In some embodiments, the conducting element can connect the first magnetic element 1302, Two magnetic elements 1316, first annular magnetic element 1308, the second annular magnet element 1310 and/or third annular magnet element 1312.In another example magnetic circuit component 1300 may further include third magnetic conductive component, the third magnetic conductive component connects the second magnetic Property element 1316.
Figure 43 is according to magnetic circuit component shown in Ampere force suffered by voice coil shown in some embodiments of the present application and Figure 42 The relation curve of magnetic element thickness in 1300.Wherein, abscissa is first thickness ratio, and ordinate is the normalization that voice coil is subject to Ampere force, the normalization Ampere force can refer to practical Ampere force suffered by voice coil and be subject in single magnetic magnetic circuit component The ratio of maximum Ampere force.Single magnetic magnetic circuit component may include a magnetic element, for example, the list magnetic circuit component can To include the first magnetic element, the first magnetic conductive component and the second magnetic conductive component.First is magnetic in single magnetic magnetic circuit component The volume of element is identical as the sum of the volume of the first magnetic element 1302 and the second magnetic element 1316 in magnetic circuit component 1300. The first thickness ratio and the second thickness are than that can refer to the detailed description in illustrations 30.As shown in figure 43, For arbitrary second thickness ratio k, ordinate value is more than 1, i.e., in magnetic circuit component 1300, the Ampere force that voice coil 1328 is subject to is big Ampere force in single magnetic magnetic circuit component suffered by voice coil.When second thickness ratio k is remained unchanged, with first thickness than increasing Greatly, the Ampere force that voice coil 1328 is subject to continuously decreases.When first thickness ratio remains unchanged, with the reduction of second thickness ratio k, The Ampere force being subject in voice coil 1328 gradually increases.When first thickness than range between 0.1-0.3 or second thickness ratio k Between 0.2-0.7, Ampere force suffered by voice coil 1328 improves range compared to the Ampere force that voice coil in single magnetic magnetic circuit component is received 50%-60%.
Figure 44 is the structural schematic diagram according to a kind of bone-conduction speaker shown in some embodiments of the present application 1400.Such as Shown in figure, bone-conduction speaker 1400 may include the first magnetic element 1402, the first magnetic conductive component 1404, the second magnetic conductive component 1406, the second magnetic element 1408, voice coil 1410, third magnetic conductive component 1412, holder 1414 and connector 1416.First Magnetic element 1402, the first magnetic conductive component 1404, the second magnetic conductive component 1406, the second magnetic element 1408, voice coil 1410 and/or Third magnetic conductive component 1412 can refer to the associated description of other attached drawings in the application.
The upper surface of first magnetic element 1402 can connect the lower surface of the first magnetic conductive component 1404.Second magnetic element 1408 lower surface can connect the upper surface of the first magnetic conductive component 1404.Second magnetic conductive component 1406 may include the first bottom Plate and the first side wall.The lower surface of first magnetic element 1402 can connect the upper surface of first bottom plate.Second magnetic conduction The side wall of the side wall of element 1406 and the first magnetic element 1402, the first magnetic conductive component 1404 and/or the second magnetic element 1408 Form magnetic gap.Holder 1414 may include the second bottom plate and second sidewall.After holder 1414 is connect with voice coil 1410, voice coil 1410 can be set in the magnetic gap.Voice coil 1410 can connect the second sidewall.The upper surface of voice coil 1410 and institute Latasuture can be formed between the second bottom plate by stating.After voice coil 1410 is placed in the magnetic gap, third magnetic conductive component 1412 can be worn It crosses the latasuture and connects the upper surface of the second magnetic element 1408 and the first side wall of the second magnetic conductive component 1406, so that Third magnetic conductive component 1412 and the second magnetic conductive component 1406 form closed cavity.First magnetic element 1402, the first magnetic conductive component 1404, each element such as the second magnetic conductive component 1406, the second magnetic element 1408, voice coil 1410 and/or third magnetic conductive component 1412 Between connection can pass through any one or a few connection type described in this application.In some embodiments, the first magnetic Property element 1402, the first magnetic conductive component 1404, the second magnetic conductive component 1406, the second magnetic element 1408, third magnetic conductive component 1412 and/or holder 1414 on one or more cavernous structures (for example, pin hole, threaded hole etc.) can be set.The poroid knot Structure can be set to the first magnetic element 1402, the first magnetic conductive component 1404, the second magnetic conductive component 1406, the second magnetic element 1408, the center of third magnetic conductive component 1412 and/or holder 1414, surrounding or other positions.Connector 1416 can run through institute Cavernous structure is stated, and connects each element.For example, connector 1416 can be barrel bolt.Staking punch can be utilized to pass through holder 1414 by 1416 Pressing Deformation of barrel bolt, to all parts in fixed bone-conduction speaker 1400.
It is only above specific example to the description of the structure of bone-conduction speaker 1400, is not considered as uniquely may be used Capable embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, Ke Neng In the case of without departing substantially from this principle, the concrete mode to implementing bone-conduction speaker 1400 carries out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 1400 may include one or more conducting elements, one or more of conducting elements be set to voice coil 1410 madial wall, Lateral wall, top and/or bottom.In another example bone-conduction speaker 1400 may further include one or more annular magnets Element, one or more of annular magnet elements can connect the upper surface of the side wall of the second magnetic conductive component 1406 or be fixed on In magnetic gap.
Figure 45 is the structural schematic diagram according to a kind of bone-conduction speaker shown in some embodiments of the present application 1500.Such as Shown in figure, bone-conduction speaker 1500 may include the first magnetic element 1502, the first magnetic conductive component 1504, the second magnetic conductive component 1506, the second magnetic element 1508, voice coil 1510, third magnetic conductive component 1512, holder 1514, connector 1516, rack rod 1518 and washer 1520.The upper surface of first magnetic element 1502 can connect the lower surface of the first magnetic conductive component 1506.The The lower surface of two magnetic elements 1508 can connect the upper surface of the first magnetic conductive component 1506.Second magnetic conductive component 1506 can wrap The first bottom plate and the first side wall are included, the first side wall can be extended to form along perpendicular to bottom plate direction by the bottom plate 's.The lower surface of first magnetic element 1502 can connect the upper surface of the bottom plate of the second magnetic conductive component 1506.Second magnetic conduction member The side wall shape of the side wall of part 1906 and the first magnetic element 1502, the first magnetic conductive component 1504 and/or the second magnetic element 1508 At magnetic gap.One or more rod-like structures can be arranged in the surrounding of rack rod 1518.Voice coil 1510 can be connected with connecting bracket Bar 1518.After rack rod 1518 is connect with voice coil 1510, voice coil 1510 can be set in the magnetic gap.Third magnetic conduction member Part 1512 may include the second bottom plate and second sidewall, and the second sidewall can be extended to form by second bottom plate, One or more first cavernous structures, the bar of first cavernous structure and rack rod 1518 can be arranged in the second sidewall Shape structure corresponds to, and the rod-like structure of rack rod 1518 can run through the first cavernous structure of the third magnetic conductive component 1512. After voice coil 1510 is placed in the magnetic gap, the second sidewall of third magnetic conductive component 1512 can pass through the described first poroid knot The rod-like structure of structure connecting bracket connecting rod 1518, the second bottom plate can connect the upper surface of the second magnetic element 1508.First magnetic Property element 1502, the first magnetic conductive component 1504, the second magnetic conductive component 1506, the second magnetic element 1508, voice coil 1510 and/or Connection between each elements such as three magnetic conductive components 1512 can pass through any one or a few connection type described in this application. In some embodiments, the first magnetic element 1502, the first magnetic conductive component 1504, second the 1506, second magnetic member of magnetic conductive component The second poroid knot can be arranged in part 1508, the center of third magnetic conductive component 1512 and/or holder 1514, surrounding or other positions Structure.Connector 1516 can run through the cavernous structure, and connect each element.For example, connector 1516 can be barrel bolt.It can To pass through holder 1514 by 1516 Pressing Deformation of barrel bolt using staking punch, to fix the first magnetic element 1502, the first magnetic conduction Element 1504, the second magnetic conductive component 1506, the second magnetic element 1508 and third magnetic conductive component 1512.Holder 1514 can connect Holder railing 1518 is connect, washer 1520 can further connect the second sidewall and the second magnetic conduction member of third magnetic conductive component 1512 The first side wall of part 1506, to further fix the second magnetic conductive component 1506 and third magnetic conductive component 1512.In some realities It applies in example, the washer 1520 can be connect by oscillating plate with holder 1514.
It is only above specific example to the description of the structure of bone-conduction speaker 1500, is not considered as uniquely may be used Capable embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, Ke Neng In the case of without departing substantially from this principle, the concrete mode to implementing bone-conduction speaker 15900 carries out form and details with step On various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 1500 may include one or more conducting elements, one or more of conducting elements be set to voice coil 1510 madial wall, Lateral wall, top and/or bottom.In another example bone-conduction speaker 1500 may further include one or more annular magnets Element, one or more of annular magnet elements can connect the upper surface of the side wall of the second magnetic conductive component 1506 or be fixed on In magnetic gap.
Figure 46 is the structural schematic diagram according to a kind of bone-conduction speaker shown in some embodiments of the present application 1600.Such as Shown in figure, bone-conduction speaker 1600 may include the first magnetic element 1602, the first magnetic conductive component 1604, the second magnetic conductive component 1606, washer 1608, voice coil 1610, the first oscillating plate 1612, holder 1614, the second oscillating plate 1616 and vibration panel 1618.The lower surface of first magnetic element 1602 connects the inner wall of the second magnetic conductive component 1606.First magnetic element 1602 it is upper Surface connects the upper surface of the first magnetic conductive component 1604.First magnetic element 1602, the first magnetic conductive component 1604 and the second magnetic conduction Element 1606 can form magnetic gap.Voice coil 1610 can be positioned in the magnetic gap.In some embodiments, voice coil 1610 Can be round or non-circular structure, such as triangle, rectangle, square, ellipse, pentagon or other irregular shapes Shape.1610 connecting bracket 1614 of voice coil, holder 1614 connect the first oscillating plate 1612, and the first oscillating plate 1612 passes through washer 1608 It is connect with the second magnetic conductive component 1606.The lower surface of second oscillating plate 1616 is connect with holder 1614, the second oscillating plate 1616 Upper surface is connect with vibration panel 1618.In some embodiments, the first magnetic element 1602, the first magnetic conductive component 1604, Two magnetic conductive components 1606, washer 1608, voice coil 1610, the first oscillating plate 1612, holder 1614, the second oscillating plate 1616 and/or It can be connected by any one or a few connection type described in this application between each element in vibration panel 1618.Example Such as, the first magnetic element 1602 can by welding with the first magnetic conductive component 1604 and/or the second magnetic conductive component 1606 Connection.In another example the elements such as the first magnetic element 1602, the first magnetic conductive component 1604 and/or second magnetic conductive component 1606 can be set Cavernous structure is set, the first magnetic element 1602, the first magnetic conductive component 1604 and/or the second magnetic conductive component 1606 can pass through pipe Sell Pressing Deformation connection.In some embodiments, the first oscillating plate 1612 and/or the second oscillating plate 1616 could be provided as one Or multiple coaxial torus, it is provided with multiple struts to center influx in the multiple torus, influx center and the The center of one oscillating plate 1612 and/or the second oscillating plate 1616 is consistent.The multiple strut stagger setting.
It is only above specific example to the description of the structure of bone-conduction speaker 1600, is not considered as uniquely may be used Capable embodiment.For one of skill in the art, after the basic principle for understanding magnetic circuit component, Ke Neng In the case of without departing substantially from this principle, the concrete mode to implementing bone-conduction speaker 1600 carries out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 1600 may include one or more conducting elements, one or more of conducting elements be set to voice coil 1610 madial wall, Lateral wall, top and/or bottom.In another example bone-conduction speaker 1600 may further include one or more annular magnets Element, one or more of annular magnet elements can connect the upper surface of the side wall of the second magnetic conductive component 1606 or be fixed on In magnetic gap.In some embodiments, bone-conduction speaker may further include the second magnetic element and/or third magnetic conduction member Part.
Figure 47 is the structural schematic diagram according to a kind of bone-conduction speaker shown in some embodiments of the present application 1700.Such as Shown in figure, bone-conduction speaker 1700 may include the first magnetic element 1702, the first magnetic conductive component 1710, the second magnetic element 1704, third magnetic element 1706, the second magnetic conductive component 1708, washer 1714, voice coil 1712, the first oscillating plate 1716, holder 1718, the second oscillating plate 1720 and vibration panel 1722.The lower surface of first magnetic element 1702 connects the second magnetic conductive component 1708 inner wall.The upper surface of first magnetic element 1702 connects the lower surface of the first magnetic conductive component 1710.Second magnetic element 1704 lateral wall connects 1708 madial wall of the second magnetic conductive component.Third magnetic element 1706 is in the second magnetic element 1704 Lower section, meanwhile, the lateral wall of third magnetic element 1706 connects the madial wall of the second magnetic conductive component 1708；Third magnetic element 1706 madial wall connects the lateral wall of the first magnetic element 1702；The lower surface connection second of third magnetic element 1706 is led The inner wall of magnetic cell 1708；First magnetic element 1702, the first magnetic conductive component 1710 and the second magnetic element 1704, third are magnetic Magnetic gap can be formed between element 1706.Voice coil 1712 can be positioned in the magnetic gap.In some embodiments, voice coil 1712 can be track type shown in Figure 47, can also be other geometries, such as triangle, rectangle, square, ellipse Shape, pentagon or other irregular shapes.1712 connecting bracket 1718 of voice coil, holder 1718 connect the first oscillating plate 1716, the One oscillating plate 1716 is connect by washer 1714 with the second magnetic conductive component 1708.The lower surface of second oscillating plate 1720 and holder 1718 connections, the upper surface of the second oscillating plate 1720 is connect with vibration panel 1722.In some embodiments, the second magnetic element 1704 can be made of polylith magnetic element, its as shown in figure 47 can be made of 4 pieces of magnetic elements.Polylith magnetic element surrounds Shape can be track type shown in Figure 47, can also be other geometries, such as triangle, rectangle, square, ellipse Round, pentagon or other irregular shapes.Third magnetic element 1706 can be made of polylith magnetic element, as shown in figure 47 It can be made of 4 pieces of magnetic elements.The shape that polylith magnetic element surrounds can be track type shown in Figure 47, can also be Other geometries, such as triangle, rectangle, square, ellipse, pentagon or other irregular shapes.Such as the application Described in middle other embodiment, the second magnetic element 1704 or third magnetic element 1706 can be replaced by it is multiple mutually The different magnetic element of the direction of magnetization of connection, the magnetic element that the direction of magnetization of the multiple interconnection is different can improve Magnetic field intensity in bone-conduction speaker 1700 at magnetic gap, to improve the sensitivity of bone-conduction speaker 1700.
In some embodiments, the first magnetic element 1702, the first magnetic conductive component 1710, the second magnetic element 1704, Three magnetic elements 1706, the second magnetic conductive component 1708, washer 1714, voice coil 1712, the first oscillating plate 1716, holder 1718, In two oscillating plates 1720 and/or vibration panel 1722 between each element can by it is described in this application any one or a few Connection type connects.For example, the first magnetic element 1702, the second magnetic element 1704, third magnetic element 1706 can pass through The mode of bonding is connect with the first magnetic conductive component 1710 and/or the second magnetic conductive component 1708.In another example washer 1714 can lead to It crosses back-off structure to connect with the second magnetic conductive component 1708, further, washer 1714 can add the side of bonding by back-off structure Formula is connect with the second magnetic conductive component 1708 and/or the second magnetic element 1704.In some embodiments, the first oscillating plate 1716 And/or second oscillating plate 1720 could be provided as one or more coaxial ring bodies, be provided with to center in the multiple ring body Multiple struts of influx, influx center are consistent with the center of the first oscillating plate 1716 and/or the second oscillating plate 1720.It is described more A strut stagger setting.The multiple strut is that either curved bar or part be straight bar part are curved bar to straight-bar, it is preferable that described Multiple struts are curved bar.In some embodiments, the outer surface of vibration panel 1722 can be plane, or curved surface.Example If the outer surface of vibration panel 1722 is spirogyrate cambered surface shown in Figure 47.
It is only above specific example to the description of the structure of bone-conduction speaker 1700, is not considered as uniquely may be used Capable embodiment.It, can be not after the basic principle for understanding magnetic circuit component for one of skill in the art In the case of this principle, the concrete mode to implementing bone-conduction speaker 1700 carries out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 1700 May include one or more conducting elements, one or more of conducting elements are set to the madial wall of voice coil 1712, outside Wall, top and/or bottom.In another example bone-conduction speaker 1700 may further include one or more annular magnet elements, One or more of annular magnet elements can connect lower surface and the third magnetic element 1706 of the second magnetic element 1704 Upper surface.In some embodiments, bone-conduction speaker may further include as retouched in other embodiment in the application The 5th magnetic element and/or third magnetic conductive component stated.
Basic conception is described above, it is clear that those skilled in the art, above-mentioned application discloses only As an example, and not constituting the restriction to the application.Although do not clearly state herein, those skilled in the art may The application is carry out various modifications, improve and is corrected.Such modification, improvement and amendment are proposed in this application, so such Modification improves, corrects the spirit and scope for still falling within the application example embodiment.
Meanwhile the application has used particular words to describe embodiments herein.Such as " one embodiment ", " one implements Example " and/or " some embodiments " mean and the relevant a certain feature of at least one embodiment of the application, structure or feature.Therefore, It should be emphasized that simultaneously it is noted that " embodiment " or " one embodiment " that is referred to twice or repeatedly in different location in this specification Or " alternate embodiment " is not necessarily meant to refer to the same embodiment.In addition, certain in one or more embodiments of the application A little features, structure or feature can carry out combination appropriate.
In addition, it will be understood by those skilled in the art that the various aspects of the application can be by several with patentability Type or situation are illustrated and described, including any new and useful process, machine, the combination of product or substance or to him Any new and useful improvement.Correspondingly, the various aspects of the application can completely by hardware execute, can completely by Software (including firmware, resident software, microcode etc.) is executed, can also be executed by combination of hardware.Hardware above or software It is referred to alternatively as " data block ", " module ", " engine ", " unit ", " component " or " system ".In addition, the various aspects of the application can The computer product being located in one or more computer-readable mediums can be shown as, which includes that computer-readable program is compiled Code.
In addition, except clearly stating in non-claimed, the sequence of herein described processing element and sequence, digital alphabet Using or other titles use, be not intended to limit the sequence of the application flow and method.Although by each in above-mentioned disclosure Kind of example discusses some it is now recognized that useful application embodiment, but it is to be understood that, such details only plays explanation Purpose, appended claims are not limited in the embodiment disclosed, on the contrary, claim is intended to cover and all meets the application The amendment of embodiment spirit and scope and equivalent combinations.For example, although system component described above can be set by hardware It is standby to realize, but can also be only achieved by the solution of software, such as pacify on existing server or mobile device The described system of dress.
Similarly, it is noted that real to one or more application to help in order to simplify herein disclosed statement Apply the understanding of example, above in the description of the embodiment of the present application, sometimes by various features merger to one embodiment, attached drawing or In descriptions thereof.But this disclosure method is not meant to carry in the required aspect ratio claim of the application object And feature it is more.In fact, the feature of embodiment will be less than whole features of the single embodiment of above-mentioned disclosure.
Used in some embodiments description ingredient, number of attributes number, it should be appreciated that it is such be used for embodiment The number of description has used qualifier " about ", " approximation " or " generally " etc. to modify in some instances.Unless in addition saying It is bright, " about ", " approximation " or " generally " show that the number allows the variation for having ± 20%.Correspondingly, in some embodiments In, the numeric data used in description and claims is approximation, and the approximation is according to feature needed for separate embodiment It can change.In some embodiments, numeric data is considered as defined significant digit and using the reservation of general digit Method.Although the Numerical Range and data in some embodiments of the application for confirming its range range are approximation, specific real It applies in example, being set in for such numerical value is reported as precisely as possible in feasible region.
Finally, it will be understood that embodiment described herein is only to illustrate the principle of the embodiment of the present application.Other Deformation may also belong to scope of the present application.Therefore, as an example, not a limit, the alternative configuration of the embodiment of the present application is visual It is consistent with teachings of the present application.Correspondingly, embodiments herein is not limited only to the implementation that the application is clearly introduced and described Example.

Claims (18)

1. a kind of magnetic circuit component of bone-conduction speaker, the magnetic circuit component generates the first full field, and the magnetic circuit component includes：
First magnetic element, first magnetic element generate the second magnetic field；
First magnetic conductive component；And
At least one second magnetic element, at least one second magnetic element around first magnetic element, and with institute It states and forms magnetic gap between the first magnetic element, magnetic field intensity of first full field in the magnetic gap is more than described the Magnetic field intensity of two magnetic fields in the magnetic gap.
2. magnetic circuit component described in claim 1, the direction of magnetization and first magnetic of at least one second magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.
3. the magnetic circuit component described in claim 2, the direction of magnetization and first magnetic of at least one second magnetic element Property element the direction of magnetization between angle be not less than 90 degree.
4. magnetic circuit component described in claim 1, further comprises：
Second magnetic conductive component；And
At least one third magnetic element, wherein at least one third magnetic element connect second magnetic conductive component and At least one second magnetic element.
5. the magnetic circuit component described in claim 4, the direction of magnetization and first magnetic of at least one third magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.
6. the magnetic circuit component described in claim 5, the direction of magnetization and first magnetic of at least one third magnetic element Property element the direction of magnetization between angle be not less than 90 degree.
7. the magnetic circuit component described in claim 5, further comprises：
At least one 4th magnetic element, wherein at least one 4th magnetic element is located at the lower section of the magnetic gap simultaneously Connect first magnetic element and second magnetic conductive component.
8. the magnetic circuit component described in claim 7, the direction of magnetization and first magnetic of at least one 4th magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.
9. magnetic circuit component according to any one of claims 8, the direction of magnetization and first magnetic of at least one 4th magnetic element Property element the direction of magnetization between angle be not more than 90 degree.
10. the magnetic circuit component described in claim 4, further comprises：
At least one 5th magnetic element, wherein at least one 5th magnetic element connects first magnetic conductive component Upper surface.
11. magnetic circuit component according to any one of claims 10, the direction of magnetization and described first of at least one 5th magnetic element The angle of the direction of magnetization of magnetic element is at 150 degree between 180 degree.
It is the thickness of first magnetic element and first magnetic element, described 12. magnetic circuit component according to any one of claims 10 The ratio range of the sum of the thickness of at least one 5th magnetic element and first magnetic conductive component is 0.4-0.6.
13. the thickness of magnetic circuit component according to any one of claims 10, at least one 5th magnetic element is equal to first magnetic The thickness of property element.
14. the thickness of magnetic circuit component according to any one of claims 10, at least one 5th magnetic element is less than first magnetic The thickness of property element.
15. magnetic circuit component according to any one of claims 10, further comprises：
Third magnetic conductive component, wherein the third magnetic conductive component connects the upper surface of the 5th magnetic element, and the third is led Magnetic cell is configured as inhibiting the field strength of first full field to reveal.
16. the magnetic circuit component described in claim 4, first magnetic conductive component connects the upper surface of first magnetic element, Second magnetic conductive component includes the bottom that bottom plate and side wall and first magnetic element connect second magnetic conductive component Plate.
17. the magnetic circuit component described in claim 4, further comprises：
At least one conducting element, wherein the conducting element connects first magnetic element, first magnetic conductive component, Or at least one of described second magnetic conductive component element.
18. a kind of bone-conduction speaker, the bone-conduction speaker include：
Vibration component, the vibration component include voice coil and at least one oscillating plate；And
Any magnetic circuit components of claim 1-17.
CN201810015581.4A 2018-01-08 2018-01-08 a kind of bone-conduction speaker Pending CN108600920A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201810015581.4A CN108600920A (en) 2018-01-08 2018-01-08 a kind of bone-conduction speaker
CN202111171435.9A CN114025289B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111174063.5A CN114007172A (en) 2018-01-08 2018-09-11 Bone conduction speaker and magnetic circuit assembly thereof
CN202111170781.5A CN113973256B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111171457.5A CN114025290B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111170783.4A CN114007171B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN201811056052.5A CN110022516B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810015581.4A CN108600920A (en) 2018-01-08 2018-01-08 a kind of bone-conduction speaker

Publications (1)

Publication Number Publication Date
CN108600920A true CN108600920A (en) 2018-09-28

Family

ID=63599793

Family Applications (7)

Application Number Title Priority Date Filing Date
CN201810015581.4A Pending CN108600920A (en) 2018-01-08 2018-01-08 a kind of bone-conduction speaker
CN202111170781.5A Active CN113973256B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111174063.5A Pending CN114007172A (en) 2018-01-08 2018-09-11 Bone conduction speaker and magnetic circuit assembly thereof
CN201811056052.5A Active CN110022516B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker
CN202111171457.5A Active CN114025290B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111170783.4A Active CN114007171B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111171435.9A Active CN114025289B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof

Family Applications After (6)

Application Number Title Priority Date Filing Date
CN202111170781.5A Active CN113973256B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111174063.5A Pending CN114007172A (en) 2018-01-08 2018-09-11 Bone conduction speaker and magnetic circuit assembly thereof
CN201811056052.5A Active CN110022516B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker
CN202111171457.5A Active CN114025290B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111170783.4A Active CN114007171B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof
CN202111171435.9A Active CN114025289B (en) 2018-01-08 2018-09-11 Bone conduction loudspeaker and magnetic circuit assembly thereof

Country Status (1)

Country Link
CN (7) CN108600920A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020038478A1 (en) * 2018-08-24 2020-02-27 深圳市韶音科技有限公司 Eyeglasses
WO2021068623A1 (en) * 2019-10-11 2021-04-15 华为技术有限公司 Sound-producing apparatus and terminal device
US11558698B2 (en) 2014-01-06 2023-01-17 Shenzhen Shokz Co., Ltd. Systems and methods for suppressing sound leakage
US11582565B2 (en) 2014-01-06 2023-02-14 Shenzhen Shokz Co., Ltd. Systems and methods for suppressing sound leakage
US11650431B2 (en) 2018-08-24 2023-05-16 Shenzhen Shokz Co., Ltd. Loudspeaker

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109769167B (en) * 2019-01-05 2024-06-14 深圳市韶音科技有限公司 Bone conduction loudspeaker
WO2020140456A1 (en) 2019-01-05 2020-07-09 深圳市韶音科技有限公司 Loudspeaker device
CN110446144B (en) * 2019-07-22 2021-10-22 瑞声科技(新加坡)有限公司 Sound production device
CN113194390A (en) * 2021-04-23 2021-07-30 歌尔股份有限公司 Sound producing device
CN115910520B (en) * 2022-11-05 2023-06-09 北京首科实华自动化设备有限公司 Electromagnetic system for coriolis force mass flowmeter and coriolis force mass flowmeter

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0543697U (en) * 1991-11-08 1993-06-11 オンキヨー株式会社 Magnetic circuit for speaker
JPH06311596A (en) * 1993-04-19 1994-11-04 Onkyo Corp Magnetic circuit for speaker
JPH10112896A (en) * 1996-10-04 1998-04-28 Nippon Columbia Co Ltd Magnetic circuit for speaker
CN1219834A (en) * 1997-12-12 1999-06-16 张凡 Loudspeaker
JPH11196491A (en) * 1997-12-26 1999-07-21 Mitsubishi Electric Corp Magnetic circuit for speaker
JP2000165991A (en) * 1998-11-24 2000-06-16 Sony Corp Speaker and speaker system
CN1119918C (en) * 1999-08-20 2003-08-27 张凡 Double-coil double-magnet gap transducer
CN2552279Y (en) * 2001-02-15 2003-05-21 嘉兴兴惠电子有限公司 Loadspeaker
GB0126285D0 (en) * 2001-11-01 2002-01-02 Isis Innovation Improved moving coil transducer
US6996247B2 (en) * 2002-11-05 2006-02-07 Step Technologies, Inc. Push-push multiple magnetic air gap transducer
KR100547357B1 (en) * 2004-03-30 2006-01-26 삼성전기주식회사 Speaker for mobile terminal and manufacturing method thereof
EP1734784B1 (en) * 2004-04-05 2015-09-16 Panasonic Intellectual Property Management Co., Ltd. Speaker device
US20070258617A1 (en) * 2005-03-01 2007-11-08 Todd Henry Electromagnetic lever diaphragm audio transducer
JP2007189269A (en) * 2005-12-22 2007-07-26 Matsushita Electric Works Ltd Speaker
JP2007189270A (en) * 2005-12-22 2007-07-26 Matsushita Electric Works Ltd Speaker
JP2007306214A (en) * 2006-05-10 2007-11-22 Fujitsu Ten Ltd Speaker magnetic circuit
JP4802959B2 (en) * 2006-09-29 2011-10-26 オムロン株式会社 connector
JP4810576B2 (en) * 2007-01-11 2011-11-09 昭人 花田 Electroacoustic transducer
WO2008084546A1 (en) * 2007-01-11 2008-07-17 Akito Hanada Electro-acoustic converter
JP4876167B2 (en) * 2007-04-24 2012-02-15 パイオニア株式会社 Repulsive magnetic circuit and speaker device
CN101790891A (en) * 2007-09-12 2010-07-28 日本先锋公司 Magnetic circuit for speaker, speaker device, and manufacturing method of the magnetic circuit for speaker
US20110007913A1 (en) * 2008-01-07 2011-01-13 Scanspeak A/S Magnet assembly for a loudspeaker
US9277325B2 (en) * 2008-02-21 2016-03-01 Fan Zhang Inner magnetic transducer with multiple magnetic gaps and multiple coils and preparation method thereof
CN102057690A (en) * 2008-07-10 2011-05-11 日本先锋公司 Speaker device
SE1000876A1 (en) * 2010-08-28 2011-12-27 Osseofon Ab Miniature variable reluctance vibrator
CN102892063B (en) * 2011-07-21 2018-05-01 张凡 Multiple driver transducer with symmetrical magnetic circuits and symmetric coil circuit
JP5919473B2 (en) * 2012-01-11 2016-05-18 パナソニックＩｐマネジメント株式会社 Magnetic circuit for speaker and speaker using the same
JP2013255087A (en) * 2012-06-07 2013-12-19 Onkyo Corp Magnetic circuit and electrodynamic speaker employing the same
CN105472511B (en) * 2014-12-01 2017-10-27 深圳市韶音科技有限公司 A kind of bone-conduction speaker device of pair of positioning formula
CN104602176B (en) * 2014-12-25 2019-02-15 佳禾智能科技股份有限公司 A kind of method and its application of the straight forming voice coil on insulating substrate
CN104936108B (en) * 2015-06-11 2018-06-26 深圳市喜声多媒体技术有限公司 A kind of bone-conduction speaker device
CN105101020B (en) * 2015-08-13 2017-04-19 深圳市韶音科技有限公司 Method for improving tone quality of bone conduction speaker and bone conduction speaker
CN205491093U (en) * 2016-01-14 2016-08-17 瑞声光电科技(常州)有限公司 Magnetic circuit and applied this magnetic circuit's speaker
CN206542562U (en) * 2016-04-01 2017-10-03 宁凤颖 A kind of bone-conduction speaker
CN106028237B (en) * 2016-06-30 2019-01-08 汉得利（常州）电子股份有限公司 Driver with the three-in-one function of osteoacusis touch feedback loudspeaker
CN107197409B (en) * 2017-01-12 2023-09-08 常州声泰龙电子音响有限公司 Loudspeaker for yacht

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11558698B2 (en) 2014-01-06 2023-01-17 Shenzhen Shokz Co., Ltd. Systems and methods for suppressing sound leakage
US11582565B2 (en) 2014-01-06 2023-02-14 Shenzhen Shokz Co., Ltd. Systems and methods for suppressing sound leakage
US11906817B2 (en) 2018-08-24 2024-02-20 Shenzhen Shokz Co., Ltd. Eyeglasses
US11940670B2 (en) 2018-08-24 2024-03-26 Shenzhen Shokz Co., Ltd. Eyeglasses
US11592690B2 (en) 2018-08-24 2023-02-28 Shenzhen Shokz Co., Ltd. Loudspeaker device
US11644692B2 (en) 2018-08-24 2023-05-09 Shenzhen Shokz Co., Ltd. Loudspeaker
US11650431B2 (en) 2018-08-24 2023-05-16 Shenzhen Shokz Co., Ltd. Loudspeaker
US11846831B2 (en) 2018-08-24 2023-12-19 Shenzhen Shokz Co., Ltd. Eyeglasses
WO2020038478A1 (en) * 2018-08-24 2020-02-27 深圳市韶音科技有限公司 Eyeglasses
US12105357B2 (en) 2018-08-24 2024-10-01 Shenzhen Shokz Co., Ltd. Eyeglasses
US11940669B2 (en) 2018-08-24 2024-03-26 Shenzhen Shokz Co., Ltd. Glasses
US11977275B2 (en) 2018-08-24 2024-05-07 Shenzhen Shokz Co., Ltd. Glasses
US12007625B2 (en) 2018-08-24 2024-06-11 Shenzhen Shokz Co., Ltd. Glasses
US12013596B2 (en) 2018-08-24 2024-06-18 Shenzhen Shokz Co., Ltd. Glasses
US12055794B2 (en) 2018-08-24 2024-08-06 Shenzhen Shokz Co., Ltd. Glasses
WO2021068623A1 (en) * 2019-10-11 2021-04-15 华为技术有限公司 Sound-producing apparatus and terminal device

Also Published As

Publication number Publication date
CN114007171B (en) 2024-04-05
CN114025290A (en) 2022-02-08
CN114025290B (en) 2023-11-17
CN110022516B (en) 2021-08-27
CN110022516A (en) 2019-07-16
CN114025289A (en) 2022-02-08
CN114007172A (en) 2022-02-01
CN114007171A (en) 2022-02-01
CN114025289B (en) 2024-05-07
CN113973256A (en) 2022-01-25
CN113973256B (en) 2024-03-22

Similar Documents

Publication Publication Date Title
CN108600920A (en) a kind of bone-conduction speaker
CN107948883A (en) A kind of bone-conduction speaker
CN107948881A (en) A kind of bone-conduction speaker
JP7093415B2 (en) Bone conduction speaker
CN208210280U (en) A kind of magnetic circuit component of bone-conduction speaker
CN207692048U (en) A kind of bone-conduction speaker
CN207783125U (en) A kind of bone-conduction speaker
CN207968889U (en) A kind of bone-conduction speaker
CN208210281U (en) A kind of magnetic circuit component of bone-conduction speaker
CN108184196A (en) A kind of bone-conduction speaker
CN207783124U (en) A kind of bone-conduction speaker
CN108347675A (en) A kind of bone-conduction speaker
CN107948882A (en) A kind of bone-conduction speaker
WO2021218709A1 (en) Acoustic device, and magnetic circuit assembly thereof
CN204157039U (en) A kind of pure tone matter aluminium circle steady magnetic field Music centre loudspeaker

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180928

WD01 Invention patent application deemed withdrawn after publication