CN111970601B - Adjustable intelligent noise reduction earplug and use method - Google Patents
Adjustable intelligent noise reduction earplug and use method Download PDFInfo
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- CN111970601B CN111970601B CN202010877534.8A CN202010877534A CN111970601B CN 111970601 B CN111970601 B CN 111970601B CN 202010877534 A CN202010877534 A CN 202010877534A CN 111970601 B CN111970601 B CN 111970601B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
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Abstract
The invention provides an adjustable intelligent noise reduction earplug and a using method thereof, the noise reduction earplug comprises a deformable earplug, an internal controller, an external controller, a first noise sensor and a second noise sensor, the external controller sends an adjusting signal to the internal controller according to a noise signal measured by the first noise sensor and a noise signal measured by the second noise sensor, the internal controller adjusts the shape of the earplug according to the adjusting signal, so that the earplug can form better noise reduction effect, when scenes are different, the external noise, namely the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor are different, the earplug can be adjusted in real time according to the external controller, effective noise reduction can be realized in different scenes, and the problem that a real-time SNR value can not be obtained in the actual using process in the prior art is solved, it is difficult to provide adaptive noise reduction effects according to different scenes, resulting in a technical problem of poor noise reduction effect.
Description
Technical Field
The invention belongs to the technical field of noise reduction earplugs, and particularly relates to an adjustable intelligent noise reduction earplug and a using method thereof.
Background
The noise reduction earplugs, also called noise prevention earplugs, sound insulation earplugs, dead-point earplugs and sleeping earplugs, are generally made of silica gel or low-pressure-bubble-mould materials, high-elasticity polyester materials. After being inserted into the auditory canal, the ear canal is closely contacted with the external auditory canal so as to isolate the sound from entering the middle ear and the inner ear (eardrum), thereby achieving the purpose of sound insulation and leading people to obtain quiet rest or working environment.
The use of a noise reducing earplug essentially comprises the following steps: the earplugs are twisted into a strip shape, and the thinner the earplug is, the easier the earplug is to wear; the upper ear horn is pulled up, and two thirds of the earplug is inserted into the auditory canal; holding the earplug for about 20-30 seconds until the earplug is inflated and blocks the ear canal; after use, the earplug is removed by being gently pulled out by rotation. Because the earplug can contact the middle ear and the inner ear (eardrum), the two hands need to be cleaned before use, even the auditory canal needs to be cleaned, and the residues of the incretion in the ear are reduced.
The earplug needs to be twisted into a long strip shape by hands before the current common noise reduction earplug is used, so that the earplug is very easy to pollute. The adjustment such as elasticity and comfort level can not be carried out in real time in the wearing process, if the adjustment is needed after the earplug is worn in, the earplug can only be taken out and worn again. The performance parameters of the earplug generally indicate the maximum noise reduction effect (i.e., SNR value), but the real-time SNR value cannot be obtained in the actual use process, and it is difficult to provide an adaptive noise reduction effect according to different scenes, thereby resulting in a problem of poor noise reduction effect.
Disclosure of Invention
The invention provides an adjustable intelligent noise reduction earplug, which solves the technical problems that in the prior art, a real-time SNR value cannot be obtained in an actual use process, and an adaptive noise reduction effect is difficult to provide according to different scenes, so that the noise reduction effect is poor.
The invention provides an adjustable intelligent noise reduction earplug, which comprises a deformable earplug, an internal controller, an external controller, a first noise sensor and a second noise sensor, wherein the internal controller is wirelessly connected with the external controller, the internal controller is arranged in the earplug, the first noise sensor is installed at a first end of the earplug, the second noise sensor is installed at a second end of the earplug, and the first noise sensor and the second noise sensor respectively transmit measured noise signals to the external controller;
the external controller is used for sending an adjusting signal to the internal controller according to the noise signal of the first noise sensor and the noise signal of the second noise sensor;
the internal controller is used for adjusting the shape of the earplug according to the adjusting signal sent by the external controller.
Preferably, the first end of the earplug is the end of the earplug inserted into the inner ear, and the second end of the earplug is the end of the earplug placed at the outer ear side.
Preferably, the noise reducing ear plug further comprises a distance sensor mounted on the first end of the ear plug for measuring a distance of the ear plug from the eardrum and transmitting the measured distance to an external controller.
Preferably, the earplug comprises an earplug outer layer and an earplug inner layer, the internal controller is arranged in the earplug inner layer, the first noise sensor, the second noise sensor and the distance sensor are all arranged on the earplug outer layer, and the earplug inner layer deforms under the control of the internal controller.
Preferably, the external controller includes a display for displaying the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor.
Preferably, the external controller further includes an alarm for giving an alarm when the distance measured by the distance sensor is small.
Preferably, the first noise sensor, the second noise sensor and the distance sensor are all electrically connected with the internal sensor, and the noise signal measured by the first noise sensor, the noise signal measured by the second noise sensor and the distance measured by the distance sensor are all sent to the external controller through the internal controller.
Preferably, the material of the outer layer of the earplug comprises silica gel, a low-pressure bubble mold material and a high-elasticity polyester material.
Preferably, a manual button is further disposed on the external controller.
Another embodiment of the present invention also provides a method of using an adjustable intelligent noise reducing earplug, the method comprising the steps of:
s1: the external controller outputs a reset signal to the internal controller, and the internal controller controls the inner layer of the earplug to reset the earplug according to the reset signal;
s2: inserting the earplug into a preset position of the ear canal according to the distance between the earplug and the tympanic membrane measured by the distance sensor;
s3: the external controller obtains a noise reduction value according to the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor and sends an adjusting signal to the internal controller according to the noise reduction value,
s4: the inner controller controls the inner layer of the earplug to deform the earplug to be attached to the ear canal according to the adjusting signal.
According to the technical scheme, the invention has the following advantages:
the invention provides an adjustable intelligent noise-reducing earplug and a using method thereof, the noise-reducing earplug comprises a deformable earplug, an internal controller, an external controller, a first noise sensor and a second noise sensor, the external controller sends an adjusting signal to the internal controller according to a noise signal measured by the first noise sensor and a noise signal measured by the second noise sensor, the internal controller adjusts the shape of the earplug according to the adjusting signal, so that the earplug can form better noise-reducing effect, when scenes are different, the external noise, namely the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor are different, and real-time adjustment can be carried out according to the external controller, thereby realizing effective noise reduction in different scenes, solving the problem that the prior art can not obtain a real-time SNR value in the actual using process, it is difficult to provide adaptive noise reduction effects according to different scenes, resulting in a technical problem of poor noise reduction effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an adjustable intelligent noise-reducing earplug according to an embodiment of the present invention;
fig. 2 is a flow chart of a method of using an adjustable intelligent noise reducing earplug according to an embodiment of the invention.
Reference numerals in the corresponding description figures refer to the following:
1. an earplug outer layer; 2. an earplug inner layer; 3. an internal controller; 4. an external controller; 41. a display; 42. a manual button; 43. an alarm; 5. a first noise sensor; 6. a second noise sensor; 7. a distance sensor.
Detailed Description
The embodiment of the invention provides an adjustable intelligent noise reduction earplug and a using method thereof, and solves the technical problems that in the prior art, a real-time SNR value cannot be obtained in an actual using process, and an adaptive noise reduction effect is difficult to provide according to different scenes, so that the noise reduction effect is poor.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an adjustable intelligent noise reducing earplug according to an embodiment of the present invention includes a deformable earplug, an internal controller 3, an external controller 4, a first noise sensor 5 and a second noise sensor 6, where the internal controller 3 is wirelessly connected to the external controller 4, the internal controller 3 is disposed in the earplug, the first noise sensor 5 is mounted at a first end of the earplug, the second noise sensor 6 is mounted at a second end of the earplug, and the first noise sensor 5 and the second noise sensor 6 respectively transmit a detected noise signal to the external controller 4;
the earplug comprises an earplug outer layer 1 and an earplug inner layer 2, the internal controller 3 is arranged in the earplug inner layer 2, the first noise sensor 5, the second noise sensor 6 and the distance sensor 7 are all arranged on the earplug outer layer 1, and the earplug inner layer 2 deforms under the control of the internal controller 3. Earplug outer 1 includes silica gel, low pressure bubble mould material and high elasticity polyester material etc. can warp and be applicable to the comparatively comfortable material of human duct, earplug inlayer 2 can adopt phase change material or structure, can realize taking place to warp under 3 controls of internal control ware to drive the outer 1 deformation of earplug, and then make earplug outer 1 can hug closely the effect that the duct realized promoting and fall the noise.
The phase change material can be an electroactive polymer, and the electroactive polymer can change the shape or size of the polymer material under the action of an electric field and can be electrified and contracted. Electronic type EAPs that can be used include All Organic Composites (AOC), dielectric EAPs (deap), electrostrictive grafted elastomers (ESGE), electrostrictive films (ESP), electroviscoelastic polymers (EVEM), ferroelectric polymers (FEP), and Liquid Crystal Elastomers (LCE), among others.
Ionic EAPs include Carbon Nanotubes (CNTs), Conducting Polymers (CPs), electrorheological liquids (ERFs), Ionic Polymer Gels (IPGs), and ionic polymer-based metal composites (IPMCs).
The earplug is deformed into a slender shape by controlling the earplug inner layer 2, so that the earplug is convenient to put into an ear canal, and in addition, when noise reduction is performed, the earplug is changed into a thick shape by controlling the earplug inner layer 2 to adapt to the ear canal for noise reduction,
the external controller 4 is used for sending an adjusting signal to the internal controller 3 according to the noise signal of the first noise sensor 5 and the noise signal of the second noise sensor 6;
the internal controller 3 is used for adjusting the shape of the earplug according to the adjusting signal sent by the external controller 4.
The first end of the earplug is the end of the earplug which is plugged into the inner ear, and the second end of the earplug is the end of the earplug which is arranged at the outer ear side. That is, the first noise sensor 5 is an inner ear noise sensor for detecting a noise value of an inner ear canal, and the second noise sensor 6 is an outer ear noise sensor for detecting a noise value of an outer ear, and a noise reduction value (SNR value) can be obtained by subtracting the noise value of the inner ear canal from the noise value of the outer ear, that is, the noise signal measured by the second noise sensor 6 can be obtained by subtracting the noise signal measured by the first noise sensor 5 from the noise signal.
The first noise sensor 5, the second noise sensor 6 and the distance sensor 7 are all electrically connected with an internal sensor, and a noise signal measured by the first noise sensor 5, a noise signal obtained by the second noise sensor 6 and a distance measured by the distance sensor 7 are all sent to the external controller 4 through the internal controller 3.
External controller 4 can set up the different values of making an uproar of falling according to different environment and adapt to the demand of making an uproar that falls of different scenes, promotes the noise reduction effect, also can adjust the earplug shape through external controller 4 control internal controller 3 according to the experience of actual noise and adapt to various different environments simultaneously. Therefore, the method and the device can effectively reduce noise in different scenes, and solve the technical problems that in the prior art, a real-time SNR value cannot be obtained in the actual use process, and the adaptive noise reduction effect is difficult to provide according to different scenes, so that the noise reduction effect is poor.
The external controller 4 may be a device having a control processing function, such as a single chip microcomputer, and the internal controller 3 may be a device capable of receiving, controlling and processing signals and transmitting wireless signals, such as a microcomputer, a microcomputer chip, or a micro single chip microcomputer.
Wherein the noise reducing ear plug further comprises a distance sensor 7, the distance sensor 7 being mounted on a first end of the ear plug for measuring the distance of the ear plug from the eardrum and sending the measured distance to the external controller 4. Distance sensor 7 can be infrared sensor, through detecting the distance between earplug and the tympanic membrane, prevents that the earplug from excessively deepening to the duct in, touches or harms the tympanic membrane, when setting up the position of earplug in the duct, descends the earplug to fill in to the duct on the prerequisite of protection tympanic membrane that the distance that measures according to distance sensor 7 can be better, has also avoided the earplug to fill in the duct not deep enough simultaneously, the relatively poor problem of noise reduction effect.
Wherein the external controller 4 further comprises an alarm 43, and the alarm 43 is used for giving an alarm when the distance measured by the distance sensor 7 is less than a preset distance. The distance measured by the distance sensor 7 is monitored in real time, and the fact that the distance measured by the distance sensor 7 is smaller than the preset distance can result in that the earplug is too deep, the earplug is easy to touch the eardrum, the alarm 43 is used for reminding a user that the earplug is too deep, and the damage to the eardrum caused by the fact that the earplug is too deep into the ear canal to touch the eardrum is avoided.
Wherein, a manual button 42 is further arranged on the external controller 4. The manual button 42 enables adjustment of the position of the earplug into the ear canal and of the inner earplug layer 2 by manual control of the internal controller 3 to improve comfort of the earplug.
Wherein the external controller 4 comprises a display 41, the display 41 being adapted to display the noise signal measured by the first noise sensor 5 and the noise signal measured by the second noise sensor 6. The display 41 can also display the distance measured by the distance sensor 7 and the noise reduction value of the earplug, and the noise signal measured by the first noise sensor 5, the noise signal measured by the second noise sensor 6, the distance measured by the distance sensor 7 and the noise reduction value of the earplug are combined with the experience of an operator on the comfort level of the earplug to be adjusted, so that the operator can experience more comfortable experience with better noise reduction effect.
As shown in FIG. 2, another embodiment of the present invention also provides a method of using an adjustable intelligent noise reducing earplug, the method comprising the steps of:
s1: a reset signal is output to the internal controller 3 through the external controller 4, and the internal controller 3 controls the earplug inner layer 2 to reset the earplug according to the reset signal;
the ear canal secretion is cleaned before use, the external controller 4 is used for selective resetting, the external controller 4 sends a resetting signal to the internal controller 3, the internal controller 3 receives the resetting signal and controls the material of the inner layer 2 of the earplug to deform, so that the volume of the earplug is changed in a slender mode, and the earplug resetting is completed.
S2: plugging the earplug to a preset position of the ear canal according to the distance between the earplug and the tympanic membrane measured by the distance sensor 7;
the earplug is slowly inserted into the ear canal until the distance sensor 7 detects that the top of the earplug is at the proper distance, i.e. the predetermined position, from the tympanic membrane.
S3: the external controller 4 acquires a noise reduction value according to the noise signal measured by the first noise sensor 5 and the noise signal measured by the second noise sensor 6 and transmits an adjustment signal to the internal controller 3 according to the noise reduction value,
s4: the inner controller 3 controls the earplug inner layer 2 to deform the earplug attached to the auditory canal according to the adjusting signal.
The earplug position is kept, the adjusting signal is sent to the internal controller 3 according to the noise reduction value, the internal controller 3 receives the signal, the phase change material of the earplug inner layer 2 is controlled, the volume of the earplug is slowly changed in a rough and short mode, and the earplug is adaptive to the space shape of the auditory canal. The noise signal measured by the first noise sensor 5 and the noise signal measured by the second noise sensor 6 are calculated to obtain a noise reduction value, and the noise reduction value is displayed on a display screen of the external controller 4 in real time. The user combines the subjective comfort degree of the earplug in the ear of a person and the noise reduction value to comprehensively judge the optimal working state of the earplug, and the volume of the earplug is kept unchanged. The technical problem that in the prior art, a real-time SNR value cannot be obtained in the actual use process, and the adaptive noise reduction effect is difficult to provide according to different scenes, so that the noise reduction effect is poor is solved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is merely an adjustable division of the logic function of the intelligent noise reducing earplug, and other divisions may be implemented in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An adjustable intelligent noise reducing earplug, which is characterized in that the noise reducing earplug comprises a deformable earplug, an internal controller, an external controller, a first noise sensor and a second noise sensor, wherein the internal controller is wirelessly connected with the external controller, the internal controller is arranged in the earplug, the first noise sensor is installed at a first end of the earplug, the second noise sensor is installed at a second end of the earplug, the first noise sensor and the second noise sensor are electrically connected with the internal controller, and a noise signal measured by the first noise sensor and a noise signal measured by the second noise sensor are both sent to the external controller through the internal controller; wherein the first end of the earplug is the end of the earplug which is plugged into the inner ear, and the second end of the earplug is the end of the earplug which is arranged at the outer ear side;
the external controller is used for sending an adjusting signal to the internal controller according to the noise signal of the first noise sensor and the noise signal of the second noise sensor; specifically, the external controller sends an adjusting signal to the internal controller according to a difference value between a noise value of the inner ear canal measured by the first noise sensor and a noise value of the outer ear measured by the second noise sensor;
the internal controller is used for adjusting the shape of the earplug according to the adjusting signal sent by the external controller.
2. The adjustable intelligent noise reducing earplug of claim 1, further comprising a distance sensor mounted on the first end of the earplug for measuring the distance of the earplug from the eardrum and sending the measured distance to an external controller.
3. The adjustable intelligent noise reducing earplug of claim 1, wherein the earplug comprises an outer earplug layer and an inner earplug layer, the internal controller is disposed in the inner earplug layer, the first noise sensor, the second noise sensor and the distance sensor are mounted on the outer earplug layer, and the inner earplug layer is deformed under the control of the internal controller.
4. An adjustable intelligent noise reducing earplug according to claim 3, wherein the external controller comprises a display for displaying the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor.
5. An adjustable intelligent noise reducing earplug according to claim 4, wherein the external controller further comprises an alarm for sounding an alarm when the distance measured by the distance sensor is less than a preset distance.
6. An adjustable intelligent noise reducing earplug according to claim 5, wherein the distance sensor is electrically connected to the internal controller, and the distance measured by the distance sensor is transmitted to the external controller via the internal controller.
7. The adjustable intelligent noise reducing earplug of claim 6, wherein the material of the outer layer of the earplug comprises silicone, low-pressure-bubble-mould material and high-elasticity polyester material.
8. An adjustable intelligent noise reducing earplug according to claim 7, wherein the external controller is further provided with a manual button.
9. A method of using an adjustable intelligent noise reducing earplug, the method comprising the steps of:
s1: the external controller outputs a reset signal to the internal controller, and the internal controller controls the inner layer of the earplug to reset the earplug according to the reset signal;
s2: plugging the earplug to a preset position of the ear canal according to the distance between the earplug and the tympanic membrane measured by the distance sensor;
s3: the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor are sent to the external controller through the internal controller, and the external controller acquires a noise reduction value according to the noise signal measured by the first noise sensor and the noise signal measured by the second noise sensor and sends an adjusting signal to the internal controller according to the noise reduction value;
s4: the internal controller controls the inner layer of the earplug to deform the earplug to be attached to the auditory canal according to the adjusting signal.
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| US20150382093A1 (en) * | 2014-06-26 | 2015-12-31 | Kendra Raechelle Jones | Noise reducing memory foam earbuds |
| CN104473719A (en) * | 2014-12-08 | 2015-04-01 | 上海斐讯数据通信技术有限公司 | Earplug |
| CN108272554B (en) * | 2018-04-01 | 2019-10-22 | 新昌县澄聚农业科技有限公司 | Mute noise reduction earplug |
| US11418865B2 (en) * | 2018-12-07 | 2022-08-16 | Gn Hearing A/S | Configurable hearing devices |
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| US9648410B1 (en) * | 2014-03-12 | 2017-05-09 | Cirrus Logic, Inc. | Control of audio output of headphone earbuds based on the environment around the headphone earbuds |
| CN109246511A (en) * | 2018-09-28 | 2019-01-18 | 出门问问信息科技有限公司 | earplug |
| CN109348335A (en) * | 2018-10-30 | 2019-02-15 | 歌尔科技有限公司 | A kind of gain adjusting method therefore of earphone, device and electronic equipment |
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