CN108337612A - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN108337612A CN108337612A CN201810007736.XA CN201810007736A CN108337612A CN 108337612 A CN108337612 A CN 108337612A CN 201810007736 A CN201810007736 A CN 201810007736A CN 108337612 A CN108337612 A CN 108337612A
- Authority
- CN
- China
- Prior art keywords
- material layer
- sound
- absorbing material
- shell
- microphone device
- 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.)
- Granted
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
-
- 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
Abstract
The present invention provides a kind of microphone device, it includes the shell with receiving space and the sounding monomer being contained in the shell, the receiving space is separated into ante-chamber and back cavity by the sounding monomer, and the composite layer for causing shell to resonate when the inhibition sounding monomer work being located between the sounding monomer and the shell is equipped in the back cavity；The composite layer includes cushioned material layer and sound-absorbing material layer.The composite layer being located between sounding monomer and shell is arranged in the microphone device of the present invention in back cavity, composite layer includes cushioned material layer and sound-absorbing material layer, while composite layer causes shell to resonate when inhibiting the work of sounding monomer, and rear cavity space filling sound-absorbing material can be made full use of to improve low frequency performance.
Description
【Technical field】
The present invention relates to electroacoustic transduction field, a kind of particularly microphone device.
【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.Currently, the function of mobile phone is extremely various, one of them is just
It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now
Among.
However, due to the problem of being limited to cavity space after loud speaker module, it is difficult to realize the demand of acoustical behavior.In correlation
In the microphone device of technology, the prior art has in back cavity filling sound-absorbing material, raising acoustical behavior, but sounding monomer and cover board
Between always have a fit-up gap, fill other materials, have lost segment space, prevent performance from reaching ultimate attainment, there is also product
The problem of shell shake (caused shell resonance when working of sounding monomer).In order to solve the shake of product shell and efficiently use rear cavity space
Between, usually in the gap filling buffer substance (such as glue or buffering foam etc.), fill part back cavity volume is understood in this way, is existed
The gluing position part in cavity space can not utilize afterwards, thereby result in the loss in acoustical behavior.In order to efficiently use rear cavity space
Between while, avoid product shell from shaking and improve the low frequency performance of microphone device, therefore, it is necessary to provide a kind of new acoustical generator
Part.
【Invention content】
To solve the above-mentioned problems, the present invention provides a kind of microphone devices comprising with receiving space shell and
The receiving space is separated into ante-chamber and back cavity, the back cavity by the sounding monomer being contained in the shell, the sounding monomer
Interior be equipped with causes the compound of shell resonance when the inhibition sounding monomer work being located between the sounding monomer and the shell
Layer；The composite layer includes cushioned material layer and sound-absorbing material layer.
As an improvement the cushioned material layer and the sound-absorbing material layer are located at same layer structure.
As an improvement the sound-absorbing material layer is arranged around the cushioned material layer.
As an improvement the area of the sound-absorbing material layer is more than the area of the cushioned material layer.
As an improvement the Internal periphery of the sound-absorbing material layer and the outer profile of the cushioned material layer match, institute
The profile for stating the outer profile and the sounding monomer of sound-absorbing material layer matches.
As an improvement the sound-absorbing material layer is acoustical cotton.
As an improvement the cushioned material layer is silica gel or foam.
As an improvement the back cavity includes the first chamber and second chamber positioned at sounding monomer both sides.
As an improvement also filling up sound-absorbing material in the first chamber and the second chamber.
The beneficial effects of the invention are as follows：The microphone device of the present invention be arranged in back cavity be located in sounding monomer and shell it
Between composite layer, composite layer includes cushioned material layer and sound-absorbing material layer, and composite layer causes shell when inhibiting the work of sounding monomer
While resonance body, and rear cavity space filling sound-absorbing material can be made full use of to improve low frequency performance.
【Description of the drawings】
Fig. 1 is the stereochemical structure decomposing schematic representation of the microphone device of the present invention；
Fig. 2 is the front view of the microphone device of the present invention；
Fig. 3 is the sectional view of the line A-A cutting in Fig. 2.
【Specific implementation mode】
Below by specific implementation mode combination attached drawing 1 to Fig. 3, invention is further described in detail, so as to more
The advantages of understanding the solution of the present invention and its various aspects well.Below in an example, detailed description below is provided
Purpose be easy for becoming apparent from thorough explanation to present disclosure, rather than limiting the invention.
Referring to figs. 1 to Fig. 3, the present invention provides a kind of microphone device, which includes shell 10 and be contained in shell
Sounding monomer 3 in 10, wherein shell 10 includes upper cover 1, the lower cover 2 opposite with upper cover 1, and upper cover 1 assembles jointly with lower cover 2
Form receiving space 4.
Receiving space 4 is separated into ante-chamber 41 and back cavity 42 by sounding monomer 3, specifically, sounding monomer 3 and upper cover 1 surround
Ante-chamber 41 is used for sounding；Sounding monomer 3, lower cover 2 and upper cover 1 surround back cavity 42 jointly, for improving frequency acoustic performance.
It is equipped in back cavity 62 and is located in answering between sounding monomer 3 and shell 10 (being specially lower cover 2 in present embodiment)
Layer 5 is closed, composite layer 5 includes sound-absorbing material layer 51 and cushioned material layer 52, when which can inhibit sounding monomer 3 to work
While caused shell 10 resonates, and the space of back cavity 42 can be made full use of to fill sound-absorbing material improvement low frequency performance.
Specifically in the present embodiment, sound-absorbing material layer 51 and cushioned material layer 52 are located at same layer structure, wherein sound-absorbing
Material layer 51 is arranged around cushioned material layer 52, the Internal periphery of sound-absorbing material layer 51 and the outer profile phase of cushioned material layer 52
Match, the profile of the outer profile and sounding monomer 3 of sound-absorbing material layer 51 matches, and sound-absorbing material layer 51 is cut out middle section shape
At, the ring preferably rectangular in shape of sound-absorbing material layer 51, the shape of cushioned material layer 52 with fill required for the middle section
Gap is adapted, is, for example, rectangle, it is also possible that round or other shapes.Certainly, sound-absorbing material layer 51 and fender
The bed of material 52 can also be arranged in a manner of stacking or same layer structure or so set up separately in the form of be arranged, composite layer 5 includes one
Sound-absorbing material layer 51, but not limited to this, sound-absorbing material layer 51 can be two, three, four or more, sound-absorbing material
Layer 51 for example can also be in a symmetrical arranged in the neighboring area of composite layer 5.
The material of sound-absorbing material layer 51 is preferably acoustical cotton, and but not limited to this, can also be other sound-absorbing materials, energy
Enough improve low frequency performance；The material of cushioned material layer 52 is preferably silica gel or foam, and but not limited to this, can with it is other can be with
The material of cushioning effect is played, effectively shell can be avoided to shake.Preferably, the area of sound-absorbing material layer 51 is more than cushioned material layer 52
Area.
Back cavity 42 further includes the first chamber 421 and second chamber 422 positioned at 3 both sides of sounding monomer, 421 He of first chamber
Second chamber 422 fills sound-absorbing material further to improve frequency acoustic performance.
Compared with prior art, microphone device of the invention is arranged in back cavity and is located between sounding monomer and shell
Composite layer, composite layer include cushioned material layer and sound-absorbing material layer, and composite layer causes shell total when inhibiting the work of sounding monomer
While shaking, and rear cavity space filling sound-absorbing material can be made full use of to improve low frequency performance.
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 (9)
1. a kind of microphone device comprising the shell with receiving space and the sounding monomer being contained in the shell, the hair
The receiving space is separated into ante-chamber and back cavity by sound monomer, which is characterized in that is equipped in the back cavity and is located in the sounding
Inhibition sounding monomer between monomer and the shell causes the composite layer that shell resonates when working；The composite layer includes buffering
Material layer and sound-absorbing material layer.
2. microphone device according to claim 1, which is characterized in that the cushioned material layer and the sound-absorbing material layer position
In same layer structure.
3. microphone device according to claim 2, which is characterized in that the sound-absorbing material layer is around the cushioned material layer
Setting.
4. microphone device according to claim 3, which is characterized in that the area of the sound-absorbing material layer is more than the buffering
The area of material layer.
5. microphone device according to claim 3, which is characterized in that the Internal periphery of the sound-absorbing material layer and the buffering
The outer profile of material layer matches, and the outer profile of the sound-absorbing material layer and the profile of the sounding monomer match.
6. microphone device according to any one of claim 1 to 5, which is characterized in that the sound-absorbing material layer is sound-absorbing
Cotton.
7. microphone device according to any one of claim 1 to 5, which is characterized in that the cushioned material layer is silica gel
Or foam.
8. microphone device according to claim 1, which is characterized in that the back cavity includes being located at sounding monomer both sides
First chamber and second chamber.
9. microphone device according to claim 8, which is characterized in that also filled out in the first chamber and the second chamber
Fill sound-absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007736.XA CN108337612B (en) | 2018-01-04 | 2018-01-04 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007736.XA CN108337612B (en) | 2018-01-04 | 2018-01-04 | Sound production device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108337612A true CN108337612A (en) | 2018-07-27 |
| CN108337612B CN108337612B (en) | 2020-09-18 |
Family
ID=62923793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810007736.XA Expired - Fee Related CN108337612B (en) | 2018-01-04 | 2018-01-04 | Sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108337612B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133320A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Speaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030226712A1 (en) * | 2002-06-07 | 2003-12-11 | Fujitsu Ten Limited | Mounting structure of speaker for vehicle |
| US20050152569A1 (en) * | 2004-01-14 | 2005-07-14 | Pioneer Corporation And Tohoku Pioneer Corporation | Speaker apparatus and method of manufacturing the same |
| CN205596293U (en) * | 2016-03-28 | 2016-09-21 | 歌尔股份有限公司 | Inhale sound subassembly and be equipped with this speaker module of inhaling sound subassembly |
| CN205793287U (en) * | 2016-05-20 | 2016-12-07 | 歌尔股份有限公司 | A kind of speaker module |
| CN106792389A (en) * | 2016-12-26 | 2017-05-31 | 歌尔股份有限公司 | Sound-absorbing part of sound-producing device and preparation method thereof and sound-producing device module |
| CN206533533U (en) * | 2017-01-22 | 2017-09-29 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2018
- 2018-01-04 CN CN201810007736.XA patent/CN108337612B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030226712A1 (en) * | 2002-06-07 | 2003-12-11 | Fujitsu Ten Limited | Mounting structure of speaker for vehicle |
| US20050152569A1 (en) * | 2004-01-14 | 2005-07-14 | Pioneer Corporation And Tohoku Pioneer Corporation | Speaker apparatus and method of manufacturing the same |
| CN205596293U (en) * | 2016-03-28 | 2016-09-21 | 歌尔股份有限公司 | Inhale sound subassembly and be equipped with this speaker module of inhaling sound subassembly |
| CN205793287U (en) * | 2016-05-20 | 2016-12-07 | 歌尔股份有限公司 | A kind of speaker module |
| CN106792389A (en) * | 2016-12-26 | 2017-05-31 | 歌尔股份有限公司 | Sound-absorbing part of sound-producing device and preparation method thereof and sound-producing device module |
| CN206533533U (en) * | 2017-01-22 | 2017-09-29 | 瑞声科技(新加坡)有限公司 | Microphone device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020133320A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108337612B (en) | 2020-09-18 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 Termination date: 20220104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |