CN108337613A - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN108337613A CN108337613A CN201810017459.0A CN201810017459A CN108337613A CN 108337613 A CN108337613 A CN 108337613A CN 201810017459 A CN201810017459 A CN 201810017459A CN 108337613 A CN108337613 A CN 108337613A
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- frame
- fixed
- conducting strip
- elastic conducting
- 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
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
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- 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
- 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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of microphone devices, including frame and the vibrational system and magnetic circuit system that are fixed on the frame, the vibrational system includes the first vibrating diaphragm for being individually fixed in the frame, the voice coil and elastic conducting strip of the second vibrating diaphragm, driving the first diaphragm oscillations sounding；Second vibrating diaphragm is fixedly supported between the frame and one end far from first vibrating diaphragm of the voice coil and is electrically connected with the voice coil by the elastic conducting strip, and the elastic conducting strip is mutually embedded with second vibrating diaphragm and is bonded completely in integral structure.Compared with the relevant technologies, microphone device good reliability of the invention and acoustical behavior is excellent.
Description
【Technical field】
The present invention relates to acoustic-electric field more particularly to a kind of microphone devices applying to portable electronic product.
【Background technology】
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Microphone device for playing sound is widely applied
Among the Intelligent mobile equipments such as present mobile phone.
And be used in microphone device vibrational system and magnetic circuit system be directly related to microphone device sound quality quality.In order to
Reinforce the stability of vibrational system, the vibrational system of the relevant technologies mini-sound device includes being fixed on being sent out for vibrating for frame
Second vibrating diaphragm of the first vibrating diaphragm of sound, the voice coil for being attached at first vibrating diaphragm, lateral stability for reinforcing the voice coil
And the elastic conducting strip of fixed support second support.
The first fixed part and the second fixed part that second vibrating diaphragm includes ring portion, is extended respectively by ring portion both sides,
The elastic conducting strip includes for first fixed part to be fixed on to the first fixed arm of frame, for consolidating described second
Determine portion's support and be fixed on the voice coil to select the second fixed arm from first vibrating diaphragm one end and connection first fixed arm
With the elastic arm of second fixed arm.
However, second vibrating diaphragm is only adhesively fixed respectively by first fixed part and second fixed part in institute
First fixed arm of elastic conducting strip and second fixed arm are stated, and ring portion is set in distance with the elastic arm,
The structure is easy that the elastic arm is made to be broken；In addition, first fixed part and second fixed part fit in the elasticity
Conjugation is poor when conductive sheet, is easy to fall off so that the poor reliability of the microphone device.
Therefore, a kind of new microphone device solution above-mentioned technical problem must be provided by having in fact.
【Invention content】
The purpose of the present invention is to provide a kind of good and highly reliable microphone devices of acoustical behavior.
In order to achieve the above objectives, the present invention provides a kind of microphone device, including frame and the vibration for being fixed on the frame
System and magnetic circuit system, the vibrational system include being individually fixed in described in the first vibrating diaphragm, the second vibrating diaphragm, driving of the frame
The voice coil and elastic conducting strip of first diaphragm oscillations sounding；Second vibrating diaphragm is fixedly supported to institute by the elastic conducting strip
It states between frame and one end far from first vibrating diaphragm of the voice coil and is electrically connected with the voice coil, the elastic conducting strip
It is mutually embedded and is bonded completely in integral structure with second vibrating diaphragm.
Preferably, second vibrating diaphragm include ring portion and by ring portion opposite sides each extend over first fix
Portion and the second fixed part；The elastic conducting strip includes the first fixed arm for being fixed on the frame, is fixedly supported to the sound
Second fixed arm and connection first fixed arm of the one end of the choosing of circle from first vibrating diaphragm and second fixed arm
Elastic arm；First fixed arm and second fixed arm are embedded at first fixed part and described second and fix respectively
Portion, the elastic arm are embedded at the ring portion completely.
Preferably, the elastic conducting strip and second vibrating diaphragm are integrally formed.
Preferably, second vibrating diaphragm is that at least one of silica gel, rubber, PEEK, PEI and TPU material are made.
Preferably, the elastic conducting strip is flexible PCB.
Preferably, second vibrating diaphragm includes two and is centrosymmetric structure about the magnetic circuit system.
Preferably, the frame is rectangular, and two second vibrating diaphragms extend along two short axle sides of the frame respectively
Setting.
Compared with the relevant technologies, the elastic conducting strip of microphone device of the invention setting and second vibrating diaphragm cooperation, and
The elastic conducting strip is mutually embedded with second vibrating diaphragm and is bonded completely in integral structure, then by one end of the two entirety
It is fixed on frame, the other end is fixedly supported to the side far from first vibrating diaphragm of the voice coil, and on the one hand balance is entirely shaken
The balance of dynamic system, effectively inhibits voice coil to wave, and improves distortion, to improve the acoustical behavior of the microphone device；It is another
Aspect, being mutually embedded for second vibrating diaphragm and the elastic conducting strip enable the elastic conducting strip in the structure of one
It is integrally formed with second vibrating diaphragm of new material, good reliability, and integral structure can make the elastic conducting strip, especially bullet
The elastic arm of property conductive sheet does not allow easy fracture, increases the reliability and acoustical behavior of the microphone device.
【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, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the part isometric structural decomposition diagram of microphone device of the present invention；
Fig. 2 is the dimensional structure diagram of the second vibrating diaphragm and the elastic conducting strip of microphone device of the present invention；
Fig. 3 is the stereochemical structure decomposing schematic representation of the second vibrating diaphragm and the elastic conducting strip of microphone device of the present invention；
Fig. 4 is the cut-away view of the line A-A along Fig. 2.
【Specific implementation mode】
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please join shown in Fig. 1-3, the present invention provides a kind of microphone device 100, including frame 1, is individually fixed in shaking for frame 1
Dynamic system 2 and magnetic circuit system 3.The magnetic circuit system 3 is for driving 2 vibration sounding of the vibrational system.
The vibrational system 2 includes the first vibrating diaphragm 21 and the second vibrating diaphragm 22, voice coil 23 and elastic conducting strip 24.
First vibrating diaphragm 21 is fixed on the frame 1, and 23 one end of the voice coil is fixed on first vibrating diaphragm 21 and is driven
Move 21 vibration sounding of the first vibrating diaphragm.
Second vibrating diaphragm 22 is fixed on one far from first vibrating diaphragm 21 of the frame 1 and the voice coil 23 simultaneously
End, i.e., by the connection of the voice coil 23 support to the frame 1.On the one hand the vibrating effect for reinforcing first vibrating diaphragm 21,
Improve the acoustical behavior of the microphone device 100, is on the other hand used to balance waving for the vibrational system 2, improves the hair
The stability of acoustic device 100.
Specifically, second vibrating diaphragm 22 include ring portion 221 and by 221 opposite sides of ring portion (along its width
The both sides in direction) the first fixed part 222 and the second fixed part 223 that each extend over.First fixed part 222 and described second
Fixed part 223 is respectively used to be fixedly connected on one end far from first vibrating diaphragm 21 of the frame 1 and the voice coil 23.More
Excellent, the ring portion 221 is in the arcuate structure being recessed far from 21 direction of the first vibrating diaphragm.
In present embodiment, second vibrating diaphragm 22 is made of high molecular material, for example, (poly- for silica gel, rubber, PEEK
Ether ether ketone), at least one of high molecular materials such as PEI (polyetherimide) and TPU (thermoplastic polyurethane elastomer rubber)
It is made.Certainly, the material that second vibrating diaphragm 22 is made is not limited to this.
Second vibrating diaphragm 22 is fixedly supported to the separate of the frame 1 and the voice coil 23 by the elastic conducting strip 24
It is electrically connected between one end of first vibrating diaphragm 21 and with the voice coil 23, the elastic conducting strip 24 and second vibrating diaphragm 22
It is mutually embedded and is bonded completely in integral structure, that is, form second vibrating diaphragm 22 and wrap up the elastic conducting strip 24 or described
Elastic conducting strip 24 wraps up the integral structure of second vibrating diaphragm 22.The structure setting makes the elastic conducting strip 24 can be with institute
State the second vibrating diaphragm 22 by be integrally formed, especially can when second vibrating diaphragm 22 is made using new materials such as macromolecules
Effectively fixed fitting, to can effectively avoid the elastic vibration portion fractures of the elastic conducting strip 24, improves the sounding
The reliability and acoustical behavior of device 100.
Shown in Fig. 4, specifically, the elastic conducting strip 24 includes the first fixed arm for being fixed on the frame 1
241, it is fixedly supported to described in second fixed arm 242 and connection of the one end of choosing from first vibrating diaphragm 21 of the voice coil 23
The elastic arm 243 of first fixed arm 241 and second fixed arm 242, wherein the elastic arm 243 is in far from described first
The arcuate structure of 21 direction of vibrating diaphragm recess.Certainly, the structure of the elastic conducting strip 24 is without being limited thereto, as long as it is with described second
The shape of vibrating diaphragm 22 matches.
First fixed arm 241 and second fixed arm 242 are individually fixed in the frame 1 and the voice coil 23
One end far from first vibrating diaphragm 21.
In present embodiment, first fixed arm 241 and second fixed arm 242 are embedded at described first and consolidate respectively
Determine portion 222 and second fixed part 223, the elastic arm 243 is embedded at the ring portion 221 completely.The structure closes to obtain institute
It states the second vibrating diaphragm 22 to be mutually embedded to form package structure with the elastic conducting strip 24, effectively avoids the elastic arm 243
The problem of fracture, and second vibrating diaphragm 22 can realize integrated molding with the elastic conducting strip 24, improve the sounding
The reliability and acoustical behavior of device 100.And when two are just integrally formed, it is new material system to avoid second vibrating diaphragm 22
At when material limitation, be integrally formed effect it is good, structural stability is strong.
First fixed part 222 is fixed on the frame 1, and second fixed part 223 is fixed on the voice coil 23
One end far from first vibrating diaphragm 21.The voice coil 23 is connected to the frame 1 to realize, on the one hand strengthens first
The vibration efficiency of vibrating diaphragm 21 improves acoustical behavior, on the other hand reinforces the lateral stiffness of the vibrational system 2, active balance
The vibration and sway of the vibrational system 2, especially lateral oscillation, to improve the unfailing performance of the microphone device 100.
In present embodiment, the elastic conducting strip 24 is FPC (flexible PCB), is on the one hand used to improve the vibration
The oscillation intensity and balance of system, inhibit to wave, and other direction is that the voice coil 23 leads to connection external power supply, avoids sound
The risk that voice coil leads are easily broken off when circle pin configuration draws power supply.
In present embodiment, second vibrating diaphragm 22 includes two and is centrosymmetric structure about the magnetic circuit system 3,
The same structure is to keep the vibration balancing of the vibrational system 2 more preferable.It adapts to, the elastic conducting strip 24 includes two
It is a and be centrosymmetric structure about the magnetic circuit system 3.
In present embodiment, the frame 1 is rectangular, then two second vibrating diaphragms 22 are respectively along the two of the frame 1
Short axle side is extended.The structural volume that the holding magnetic circuit system 3 of big degree can then be use up, to keep magnetic field intensity.
Compared with the relevant technologies, the elastic conducting strip of microphone device of the invention setting and second vibrating diaphragm cooperation, and
The elastic conducting strip is mutually embedded with second vibrating diaphragm and is bonded completely in integral structure, then by one end of the two entirety
It is fixed on frame, the other end is fixedly supported to the side far from first vibrating diaphragm of the voice coil, and on the one hand balance is entirely shaken
The balance of dynamic system, effectively inhibits voice coil to wave, and improves distortion, to improve the acoustical behavior of the microphone device；It is another
Aspect, being mutually embedded for second vibrating diaphragm and the elastic conducting strip enable the elastic conducting strip in the structure of one
It is integrally formed with second vibrating diaphragm of new material, good reliability, and integral structure can make the elastic conducting strip, especially bullet
The elastic arm of property conductive sheet does not allow easy fracture, increases the reliability and acoustical behavior of the microphone device.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to the protection model of the present invention
It encloses.
Claims (7)
1. a kind of microphone device, including frame and the vibrational system and magnetic circuit system that are fixed on the frame, the vibrational system
Including be individually fixed in the first vibrating diaphragm of the frame, the second vibrating diaphragm, driving the first diaphragm oscillations sounding voice coil and
Elastic conducting strip, which is characterized in that second vibrating diaphragm is fixedly supported to the frame and the sound by the elastic conducting strip
It is electrically connected between one end far from first vibrating diaphragm of circle and with the voice coil, the elastic conducting strip and second vibrating diaphragm
It is mutually embedded and is bonded completely in integral structure.
2. microphone device according to claim 1, which is characterized in that second vibrating diaphragm includes ring portion and by the folding
The first fixed part and the second fixed part that ring portion opposite sides each extends over；The elastic conducting strip includes being fixed on the frame
The first fixed arm, be fixedly supported to the voice coil the one end of choosing from first vibrating diaphragm the second fixed arm and connection institute
State the elastic arm of the first fixed arm and second fixed arm；First fixed arm and second fixed arm are embedded at respectively
First fixed part and second fixed part, the elastic arm are embedded at the ring portion completely.
3. microphone device according to claim 1, which is characterized in that the elastic conducting strip is note with second vibrating diaphragm
Modeling is integrally formed.
4. microphone device according to claim 1, which is characterized in that second vibrating diaphragm is silica gel, rubber, PEEK, PEI
And at least one of TPU materials are made.
5. microphone device according to claim 1, which is characterized in that the elastic conducting strip is flexible PCB.
6. microphone device according to claim 1, which is characterized in that second vibrating diaphragm is including two and about the magnetic
Road system is centrosymmetric structure.
7. microphone device according to claim 6, which is characterized in that the frame is rectangular, two second vibrating diaphragms
It is extended respectively along two short axle sides of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017459.0A CN108337613A (en) | 2018-01-04 | 2018-01-04 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017459.0A CN108337613A (en) | 2018-01-04 | 2018-01-04 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108337613A true CN108337613A (en) | 2018-07-27 |
Family
ID=62924087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017459.0A Pending CN108337613A (en) | 2018-01-04 | 2018-01-04 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108337613A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218934A (en) * | 2018-08-06 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | The manufacturing method of microphone device and the microphone device |
| CN109714686A (en) * | 2018-12-24 | 2019-05-03 | 厦门冠音泰科技有限公司 | A kind of superlinearity loudspeaker |
| WO2020024677A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Speaker |
| CN113596678A (en) * | 2021-06-18 | 2021-11-02 | 歌尔股份有限公司 | Vibrating diaphragm for sound production device, preparation method of vibrating diaphragm and sound production device |
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| CN204707278U (en) * | 2015-04-23 | 2015-10-14 | 歌尔声学股份有限公司 | A kind of silica gel vibrating diaphragm and receiver module |
| CN204887428U (en) * | 2015-07-24 | 2015-12-16 | 歌尔声学股份有限公司 | Silica gel vibrating diaphragm and speaker module |
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| CN205566633U (en) * | 2016-01-28 | 2016-09-07 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
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| CN206674192U (en) * | 2017-04-13 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Microspeaker |
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| KR101148833B1 (en) * | 2010-12-30 | 2012-05-29 | 주식회사 이엠텍 | Acoustic transducer |
| CN204707278U (en) * | 2015-04-23 | 2015-10-14 | 歌尔声学股份有限公司 | A kind of silica gel vibrating diaphragm and receiver module |
| CN204887428U (en) * | 2015-07-24 | 2015-12-16 | 歌尔声学股份有限公司 | Silica gel vibrating diaphragm and speaker module |
| CN205566633U (en) * | 2016-01-28 | 2016-09-07 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN205510378U (en) * | 2016-03-21 | 2016-08-24 | 歌尔声学股份有限公司 | Speaker monomer and speaker module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020024677A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Speaker |
| CN109218934A (en) * | 2018-08-06 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | The manufacturing method of microphone device and the microphone device |
| CN109714686A (en) * | 2018-12-24 | 2019-05-03 | 厦门冠音泰科技有限公司 | A kind of superlinearity loudspeaker |
| CN113596678A (en) * | 2021-06-18 | 2021-11-02 | 歌尔股份有限公司 | Vibrating diaphragm for sound production device, preparation method of vibrating diaphragm and sound production device |
| CN113596678B (en) * | 2021-06-18 | 2023-08-25 | 歌尔股份有限公司 | Vibrating diaphragm capable of being used for sound production device, preparation method of vibrating diaphragm and sound production device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |
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| RJ01 | Rejection of invention patent application after publication |