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CN108271106A - Loud speaker - Google Patents

Loud speaker Download PDF

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Publication number
CN108271106A
CN108271106A CN201810013921.XA CN201810013921A CN108271106A CN 108271106 A CN108271106 A CN 108271106A CN 201810013921 A CN201810013921 A CN 201810013921A CN 108271106 A CN108271106 A CN 108271106A
Authority
CN
China
Prior art keywords
fixed part
loud speaker
top dome
intermediate top
edge part
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
CN201810013921.XA
Other languages
Chinese (zh)
Inventor
童迪江
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.)
AAC Technologies Pte Ltd
Original Assignee
AAC Technologies Pte 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 AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201810013921.XA priority Critical patent/CN108271106A/en
Publication of CN108271106A publication Critical patent/CN108271106A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

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

Abstract

The present invention provides a kind of loud speaker, including vibrational system and magnetic circuit system, the vibrational system includes vibrating diaphragm and drives the voice coil of the diaphragm oscillations, the vibrating diaphragm includes ring and the centring disk being set between the ring and the voice coil, the centring disk is integrally formed, including intermediate top dome, around the fixed part for being located at the intermediate top dome periphery, around being located at the fixed part periphery and edge part spaced with the fixed part and the elasticity arm for connecting the fixed part and the edge part, the fixed part is combined fixation with the ring inner edge, the edge part is combined fixation with the outer rim of the ring, the voice coil is fixed on the side that the fixed part deviates from the top dome.Compared with the relevant technologies, loud speaker provided by the invention reduces a procedure, and there is no the risk of glue pollution, improves acoustical behavior.

Description

Loud speaker
Technical field
The present invention relates to acoustic-electric conversion art more particularly to a kind of loud speakers.
Background technology
Loud speaker as the usual acoustic power conversion device for converting electrical energy into acoustic energy, played in sound place system can not or Scarce effect.Loud speaker is one of device of a most critical in sound place system, and for sound puts effect, it is one again A most important component.The type of loud speaker is various, and audio electric energy makes diaphragm oscillations simultaneously by electromagnetism, piezoelectricity or electrostatic effect Resonance (sympathetic response) is generated with the air of surrounding and is made a sound.
In the related art, it is most of in the vibrating diaphragm of loud speaker separately to be designed with centring disk using top dome, reuse glue Water is bonded, not only complex procedures, and there are the risks of glue pollution.
Therefore, it is necessary to a kind of novel loud speaker is provided, to overcome drawbacks described above.
Invention content
The purpose of the present invention is to provide a kind of novel loud speaker, centring disk and top dome are tied using integrated molding Structure improves acoustical behavior.
In order to achieve the above object, the present invention provides a kind of loud speaker, including vibrational system and magnetic circuit system, the vibration System includes vibrating diaphragm and drives the voice coil of the diaphragm oscillations, and the vibrating diaphragm includes ring and is set to the ring and described Centring disk between voice coil, the centring disk are integrally formed, including intermediate top dome, around being located at the intermediate top dome periphery Fixed part, around being located at the fixed part periphery and edge part spaced with the fixed part and connect the fixed part and institute The elasticity arm of edge part is stated, the fixed part is combined fixation, the outer rim of the edge part and the ring with the ring inner edge With reference to fixation, the voice coil is fixed on the side that the fixed part deviates from the intermediate top dome.
Preferably, the intermediate top dome is made of polyimide material.
Preferably, the intermediate top dome includes closing on the lower surface of the voice coil and the upper table opposite with the lower surface Face, the lower surface are recessed to form a plurality of ribs towards the upper surface, a plurality of ribs be mutually parallel be convexly equipped in it is described The upper surface of intermediate top dome.
Preferably, the centring disk is FPCB.
Preferably, the loud speaker, which further includes, accommodates the vibrational system and the frame of the magnetic circuit system, the edge Portion is fixedly mounted in the frame.
Preferably, the loud speaker further includes lid and connects the protecgulum for being fixed on described frame one end, and the edge part is folded in Between the protecgulum and the frame.
Preferably, the protecgulum corresponds to the intermediate top dome position through offering sound mouth.
The present invention also provides a kind of loudspeaker approach made described in claim 1, and described method includes following steps:
S1, feed, provide FPCB;
FPCB is carried out hot pressing by S2, hot pressing;
FPCB after hot pressing is shaped the shape of the intermediate top dome by S3, forming;
FPCB after forming is punched out processing and is integrally formed centring disk, the centring disk packet by S4, Punching Technology Include intermediate top dome, around be located at the intermediate top dome periphery fixed part, around be located at the fixed part periphery and with the fixed part The elasticity arm of spaced edge part and the connection fixed part and the edge part.
Preferably, the Punching Technology is any one in machining, Milling Process or grinding.
Preferably, the FPCB includes polyimide material.
Compared with the relevant technologies, centring disk described in loud speaker of the invention includes intermediate top dome, fixed part, edge part With the elasticity arm for connecting the intermediate top dome and the edge part, the fixed part is combined fixation with the ring inner edge, described Edge part is combined fixation with the outer rim of the ring, and the voice coil is fixed on one that the fixed part deviates from the intermediate top dome Side, the centring disk are an integral molding structure, and reduce a procedure, and there is no the risk of glue pollution, improve sound Learn performance.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, and the accompanying drawings in the following description is only some embodiments of the present invention, common for this field For technical staff, without creative efforts, other attached drawings are can also be obtained according to these attached drawings, In:
Fig. 1 is the stereogram of loud speaker of the present invention;
Fig. 2 is the three-dimensional exploded view of loud speaker of the present invention;
Fig. 3 is the centring disk stereogram of loud speaker of the present invention;
Fig. 4 is the A-A sectional views of loud speaker of the present invention;
Fig. 5 is the flow chart of loud speaker production method of the present invention.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects It encloses.
Also referring to Fig. 1 and Fig. 2, the loud speaker 100 includes protecgulum 10, vibrational system 20, magnetic circuit system 30 and receives Hold the vibrational system 20 and the frame 40 of the magnetic circuit system 30.
The protecgulum 10 cooperatively forms receiving space with the frame 40, and the protecgulum 10 corresponds to the vibrational system 20 Position, which is run through, offers sound mouth 101.
The vibrational system 20 includes vibrating diaphragm 21 and drives the voice coil 22 of 21 vibration sounding of vibrating diaphragm, and the vibrating diaphragm 21 wraps Include the ring 212 that centring disk 211 and the centring disk 211 assemble.
Also referring to Fig. 3 and Fig. 4, the centring disk 211 includes intermediate top dome 2110, from the intermediate top dome 2110 Extend and be set around the fixed part 2111 of 21 periphery of intermediate top dome, be set around 2111 periphery of fixed part and with it is described solid Determine 2111 spaced edge part 2112 of portion and the elasticity arm 2113 of the connection fixed part 2111 and the edge part 2112, The centring disk 211 is an integral molding structure.
The edge part 2112 of the centring disk 211 is fixed in the frame 40, and is located in the protecgulum 10 Among the frame 40, the intermediate top dome 2110 is located at the centre of the centring disk 211, the intermediate top dome 2110 with 101 face of sound mouth is arranged at intervals.
The intermediate top dome 2110 includes closing on the lower surface of the voice coil 22 and the upper table opposite with the lower surface Face, the lower surface are recessed to form a plurality of ribs 2114 towards the upper surface, which is mutually parallel projection In intermediate 2110 upper surface of top dome, it is preferred that voice coil 22 is runway type voice coil, and ribs 2114 is preferably short with voice coil 22 Axis direction is parallel.
The ring 212 is the edge of cyclic structure, the outer ledge of the cyclic structure and the centring disk 211 2112 shape of portion is matched and is fixed to each other, and 212 inner edge of the ring is combined fixation with 2111 inner edge of fixed part, described fixed The intermediate top dome 2110 of heart branch piece 211 forms a vibrating diaphragm for being used for vibration sounding with the ring 212.
The voice coil 22 is cyclic structure, and one end of the voice coil 22 and the intermediate top dome 2110 connect.The voice coil 22 are fixed on the side that the fixed part 2111 deviates from the intermediate top dome 2110.
Loud speaker 100 further includes the pad 23 for being embedded at frame 40, and pad 23 and the edge part 2112 of centring disk 211 paste Electrical connection is closed, 23 part of pad dew is set on 40 outer surface of frame and realizes that centring disk 211 is electrically connected with extraneous.
The magnetic circuit system 30 includes being immobilizated in the yoke 33 of the frame 40, assembles in the main magnet steel of the yoke 33 31st, it is set around the main magnet steel 31 and spaced secondary magnet steel 32 and is attached at the main magnet steel 31 and the secondary magnet steel 32 The magnetic conduction sheet 34 on surface.The voice coil 22 is set around the main magnet steel 31, and the main magnet steel 31 generates magnetic field, institute in its side It states voice coil 22 and generates electromagnetic force with the magnetic fields after powered up, vibrated by the electromagnetic force driven diaphragm.
Referring to Fig. 5, the production method of the loud speaker 100 includes the following steps,
S1, feed, provide FPCB;
FPCB is carried out hot pressing by S2, hot pressing;
FPCB after hot pressing is shaped the shape of intermediate top dome by S3, forming;
FPCB after forming is punched out processing and is integrally formed centring disk, the centring disk packet by S4, Punching Technology Include intermediate top dome, around be located at the intermediate top dome periphery fixed part, around be located at the fixed part periphery and with the fixed part The elasticity arm of spaced edge part and the connection fixed part and the edge part.
The Punching Technology can be that known FPCB process operations include machining, Milling Process or grinding etc. Any one.The FPCB includes polyimide material.
Centring disk after molding forms vibrating diaphragm, the vibrating diaphragm and above-mentioned voice coil and magnetic circuit system after being combined with above-mentioned ring The assemblings such as system, frame, protecgulum form above-mentioned loud speaker 100.
Centring disk described in the loud speaker of the present invention includes intermediate top dome, fixed part, edge part and the connection fixed part With the elasticity arm of the edge part, the fixed part is combined fixation, the edge part and the ring with the ring inner edge Outer rim, which combines, fixes, and the voice coil is fixed on the side that the fixed part deviates from the intermediate top dome, and the centring disk is one Forming structure reduces a procedure, and there is no the risk of glue pollution, improves acoustical behavior.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of loud speaker, including vibrational system and magnetic circuit system, the vibrational system includes vibrating diaphragm and the vibrating diaphragm is driven to shake Dynamic voice coil, the vibrating diaphragm includes ring and the centring disk being set between the ring and the voice coil, feature exist In:The centring disk is integrally formed, including intermediate top dome, around be located at the fixed part of the intermediate top dome periphery, around being located at State fixed part periphery and edge part spaced with the fixed part and the elastic force for connecting the fixed part and the edge part Arm, the fixed part are combined fixation with the ring inner edge, and the edge part is combined fixation, the sound with the outer rim of the ring Circle is fixed on the side that the fixed part deviates from the intermediate top dome.
2. loud speaker according to claim 1, it is characterised in that:The intermediate top dome is made of polyimide material.
3. loud speaker according to claim 2, it is characterised in that:The intermediate top dome includes the following table for closing on the voice coil Face and the upper surface opposite with the lower surface, the lower surface is recessed to form a plurality of ribs towards the upper surface, described A plurality of ribs, which is mutually parallel, is convexly equipped in the upper surface of the intermediate top dome.
4. loud speaker according to claim 1, it is characterised in that:The centring disk is FPCB.
5. loud speaker according to claim 1, it is characterised in that:The loud speaker further include the receiving vibrational system with The frame of the magnetic circuit system, the edge part are fixedly mounted in the frame.
6. loud speaker according to claim 5, it is characterised in that:The loud speaker, which further includes lid and connects, is fixed on the frame The protecgulum of one end, the edge part are folded between the protecgulum and the frame.
7. loud speaker according to claim 6, it is characterised in that:The protecgulum corresponds to the intermediate top dome position through opening Equipped with sound mouth.
8. a kind of loudspeaker approach made described in claim 1, which is characterized in that described method includes following steps:
S1, feed, provide FPCB;
FPCB is carried out hot pressing by S2, hot pressing;
FPCB after hot pressing is shaped the shape of the intermediate top dome by S3, forming;
FPCB after forming is punched out processing and is integrally formed centring disk, during the centring disk includes by S4, Punching Technology Between top dome, around be located at the intermediate top dome periphery fixed part, around be located at the fixed part periphery and with the fixed part interval The edge part of setting and the elasticity arm of the connection fixed part and the edge part.
9. the method according to claim 8 for making loud speaker, it is characterised in that:The Punching Technology for machining, Any one in Milling Process or grinding.
10. the method according to claim 8 for making loud speaker, it is characterised in that:The FPCB includes polyimides material The bed of material.
CN201810013921.XA 2018-01-08 2018-01-08 Loud speaker Pending CN108271106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810013921.XA CN108271106A (en) 2018-01-08 2018-01-08 Loud speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810013921.XA CN108271106A (en) 2018-01-08 2018-01-08 Loud speaker

Publications (1)

Publication Number Publication Date
CN108271106A true CN108271106A (en) 2018-07-10

Family

ID=62773141

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810013921.XA Pending CN108271106A (en) 2018-01-08 2018-01-08 Loud speaker

Country Status (1)

Country Link
CN (1) CN108271106A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020024669A1 (en) * 2018-08-03 2020-02-06 瑞声声学科技(深圳)有限公司 Loudspeaker
WO2020062692A1 (en) * 2018-09-28 2020-04-02 歌尔股份有限公司 Vibration diaphragm, vibration diaphragm assembly and loudspeaker

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201663684U (en) * 2009-12-07 2010-12-01 瑞声声学科技(深圳)有限公司 Speaker
CN103260118A (en) * 2013-05-08 2013-08-21 歌尔声学股份有限公司 Flat plate type bass loudspeaker
CN203301729U (en) * 2013-05-28 2013-11-20 歌尔声学股份有限公司 Loudspeaker device
CN203933935U (en) * 2014-06-25 2014-11-05 金坛泰成电子科技有限公司 A kind of waterproof synthetic fibers sounding vibrating diaphragm
CN204217118U (en) * 2014-07-17 2015-03-18 瑞声光电科技(常州)有限公司 Electro-acoustic element
KR101673297B1 (en) * 2015-06-19 2016-11-08 주식회사 비에스이 Suspension for speaker and method of making the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201663684U (en) * 2009-12-07 2010-12-01 瑞声声学科技(深圳)有限公司 Speaker
CN103260118A (en) * 2013-05-08 2013-08-21 歌尔声学股份有限公司 Flat plate type bass loudspeaker
CN203301729U (en) * 2013-05-28 2013-11-20 歌尔声学股份有限公司 Loudspeaker device
CN203933935U (en) * 2014-06-25 2014-11-05 金坛泰成电子科技有限公司 A kind of waterproof synthetic fibers sounding vibrating diaphragm
CN204217118U (en) * 2014-07-17 2015-03-18 瑞声光电科技(常州)有限公司 Electro-acoustic element
KR101673297B1 (en) * 2015-06-19 2016-11-08 주식회사 비에스이 Suspension for speaker and method of making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020024669A1 (en) * 2018-08-03 2020-02-06 瑞声声学科技(深圳)有限公司 Loudspeaker
WO2020062692A1 (en) * 2018-09-28 2020-04-02 歌尔股份有限公司 Vibration diaphragm, vibration diaphragm assembly and loudspeaker

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SE01 Entry into force of request for substantive examination
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Application publication date: 20180710