CN110166908A - A kind of microphone device - Google Patents
A kind of microphone device Download PDFInfo
- Publication number
- CN110166908A CN110166908A CN201910428743.1A CN201910428743A CN110166908A CN 110166908 A CN110166908 A CN 110166908A CN 201910428743 A CN201910428743 A CN 201910428743A CN 110166908 A CN110166908 A CN 110166908A
- Authority
- CN
- China
- Prior art keywords
- roof
- upper cover
- vibrating diaphragm
- microphone device
- side wall
- 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
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The present invention provides a kind of microphone devices, it includes upper cover, the sounding monomer for surrounding the lower cover to form accommodating space with upper cover and being contained in accommodating space, sounding monomer has vibrating diaphragm, upper cover includes towards the roof of vibrating diaphragm and from roof to the side wall of the fixation sounding monomer extended close to vibrating diaphragm direction, upper cover is equipped with sound outlet hole, roof, side wall and vibrating diaphragm surround to form ante-chamber, upper cover further includes from roof to the recessed portion being recessed far from vibrating diaphragm direction, recessed portion includes the second surface of the first surface and connection first surface and roof towards vibrating diaphragm, side of the first surface from second surface to sound outlet hole extends upwardly to sound outlet hole, second surface is from one of side wall across to opposite another side wall.In the present invention, the air pressure on the preceding cavity region both sides between sounding monomer top dome and upper cover is effectively dredged, so that ante-chamber various places inside pressure equilibrium, can improve the problem of vibrating diaphragm waves.
Description
[technical field]
The invention belongs to electroacoustic techniques field more particularly to a kind of microphone devices.
[background technique]
With the fast development of science and technology, during audio frequency apparatus fast development, Functional Requirement of the people to product
Increasingly stronger, for microphone device, more and more people propose higher requirement to its audio performance etc..In the related technology, it sends out
The height of the top dome of acoustic device to upper cover is consistent, leads to, microphone device uneven by the air pressure of the ante-chamber between top dome and upper cover
Vibrating diaphragm wave seriously.
[summary of the invention]
The purpose of the present invention is to provide a kind of microphone devices, it is intended to solve inside the ante-chamber of microphone device in the prior art
The problem of air pressure is uneven, and vibrating diaphragm is caused to wave.
Technical scheme is as follows: a kind of microphone device comprising upper cover surrounds to form receiving sky with the upper cover
Between lower cover and the sounding monomer that is contained in the accommodating space, the sounding monomer there is vibrating diaphragm, the upper cover includes
Towards the roof of the vibrating diaphragm and from the roof to the fixation sounding list close to the extension of the direction of the sounding monomer
The side wall of body, the upper cover are equipped with sound outlet hole, and the roof, the side wall and the vibrating diaphragm surround to form ante-chamber, it is described on
Lid further includes from the roof to the recessed portion being recessed far from the vibrating diaphragm direction, and the recessed portion includes towards the vibrating diaphragm
The second surface of first surface and the connection first surface and the roof, the first surface from the second surface to
The side of the sound outlet hole extends upwardly to the sound outlet hole, and the second surface is from side wall described in one of them across to opposite
Another side wall.
Further, the upper cover further includes the protrusion raised to the close vibrating diaphragm direction from the roof, described
Protrusion includes the 4th surface on the third surface and the connection roof and the third surface towards the vibrating diaphragm, described
Third surface extends upwardly to opposite with the sound outlet hole wherein one from the 4th surface to the side far from the sound outlet hole
A side wall, the 4th surface is from side wall described in one of them across to opposite another side wall.
Further, the top wall surface is plane, and the first surface and the third surface are parallel to the roof,
The second surface and the 4th surface are perpendicular to the roof.
Further, the sounding monomer, the upper cover surround the back cavity opposite with the ante-chamber with the lower cover, described
The side far from the sound outlet hole of roof is provided with the spaced walls of the annular extended towards the rear cavity direction, the spaced walls
Bottom face be fixed with the first breathable barrier, first breathable barrier, the spaced walls and the roof surround shape
At the accommodating chamber for filling sucting sound material.
Further, the roof is additionally provided with the opening portion for being connected to the accommodating chamber and external environment, the opening portion
Place is covered with diaphragm seal, and the diaphragm seal seals the opening portion.
Further, the upper cover is also provided with leak holes, and the leak holes are connected to the back cavity and external environment, described
Leak holes upper cover is equipped with the second breathable barrier.
Further, the microphone device further includes gasket, and the shim clip is set to bottom and the institute of the sounding monomer
It states between lower cover.
Further, the microphone device further includes the dust-proof dottle pin being attached on the outside of the sound outlet hole.
Further, the microphone device is also connected with the flexible circuit board with connecting pin and inserted terminal, the sounding
Monomer is electrically connected with the connecting pin of the flexible circuit board, and the inserted terminal of the flexible circuit board and the bottom wall of the lower cover are fixed
Connection.
The beneficial effects of the present invention are: the present invention is arranged in upper cover from roof to the recess being recessed far from vibrating diaphragm direction
The distance in portion, first surface to the sounding monomer top dome of recessed portion is greater than roof to the distance of sounding monomer top dome, can effectively dredge
The air pressure on the preceding cavity region both sides between sounding monomer top dome and upper cover is led, so that ante-chamber various places inside pressure equilibrium, can improve
The problem of vibrating diaphragm waves.
[Detailed description of the invention]
Fig. 1 is the microphone device decomposition texture schematic diagram that the embodiment of the present invention one provides；
Fig. 2 is the microphone device overall structure diagram that the embodiment of the present invention one provides；
Fig. 3 is the face the A-A cut-away illustration in Fig. 2；
Fig. 4 is the enlarged structure schematic diagram of part B in Fig. 3；
Fig. 5 is microphone device overall structure diagram provided by Embodiment 2 of the present invention；
Fig. 6 is the face the B-B cut-away illustration in Fig. 5；
Fig. 7 is the enlarged structure schematic diagram of C portion in Fig. 6；
Fig. 8 is the superstructure schematic diagram in Fig. 5.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
It as shown in Figures 1 to 4, is a kind of microphone device of the offer of the embodiment of the present invention one, which includes upper cover
1, the sounding monomer 3 to form the lower cover 2 of accommodating space 50 and be contained in accommodating space 50, sounding monomer 3 are surrounded with upper cover 1
With vibrating diaphragm 31, upper cover 1 includes consolidating towards the roof 12 of vibrating diaphragm 31 and from roof 12 to what is extended close to 31 direction of vibrating diaphragm
Determine the side wall 13 of sounding monomer 3, upper cover 1 is equipped with sound outlet hole 11, and roof 12, side wall 13 and vibrating diaphragm 31 surround to form ante-chamber 4.
In above-described embodiment, as shown in Figure 3 and Figure 4, upper cover 1 further includes being recessed from roof 12 to far from 31 direction of vibrating diaphragm
Recessed portion 14, recessed portion 14 include towards vibrating diaphragm 31 first surface 141 and connection first surface 141 and roof 12 second
Surface 142, first surface 141 extend upwardly to sound outlet hole 11, second surface 142 from second surface 142 to the side of sound outlet hole 11
From one of side wall 13 across to opposite another side wall 13.Height due to first surface 141 in vertical direction is higher than top
Wall 12, first surface 141 is greater than roof 12 at a distance from sounding monomer 3 at a distance from sounding monomer 3, therefore can effectively dredge sounding
The air pressure on the 4 region both sides of ante-chamber between monomer 3 and upper cover 1, so that 4 various places inside pressure equilibrium of ante-chamber, can improve vibrating diaphragm 31
The problem of waving.Preferably, 12 surface of roof is plane, and first surface 141 is parallel to roof 12, second surface 141 perpendicular to
Roof 12.
In addition, sounding monomer 3, upper cover 1 surround the back cavity 5 opposite with ante-chamber 4 with lower cover 2, that is to say, that in the present embodiment
In, accommodating space 50 is divided into ante-chamber 4 and back cavity 5 by sounding monomer 3, and back cavity 5 can be used for improving the acoustics of the audible device
Energy.The side of the separate sound outlet hole 11 of roof 12 is provided with the spaced walls 18 extended towards 5 direction of back cavity, the whole ring of spaced walls 18
Around setting, the bottom face of spaced walls 18 is fixed with the first breathable barrier 20, the first breathable barrier 20, spaced walls 18 and top
Wall 12 surrounds the accommodating chamber 6 to be formed for filling sucting sound material.Roof 12 is additionally provided with opening for connection accommodating chamber 6 and external environment
Oral area 16 is covered with diaphragm seal 30,30 sealed opening portion 16 of diaphragm seal at opening portion 16.Accommodating chamber 6 is used to accommodate sound-absorbing material,
Form the virtual operatic tunes, and the acoustical behavior that microphone device is improved by the virtual operatic tunes.For the ease of sound-absorbing material is packed into
In accommodating chamber 6, can the filling sound-absorbing material into accommodating chamber 6 of opening 16, then utilize 30 sealed opening portion 16 of sealing element,
It not will lead to powdered sound-absorbing material in this way to overflow outward.In addition, upper cover 1 is also provided with leak holes 17, after leak holes 17 are connected to
Chamber 5 and external environment, 17 upper cover of leak holes are equipped with the second breathable barrier 40.It can be by leak holes 17 and second thoroughly inside back cavity 5
Air bound off member 40 realizes air pressure balance.
Microphone device further includes gasket 8, and gasket 8 is located between the bottom of sounding monomer 3 and lower cover 2, and gasket 8 can press down
Sounding monomer 3 processed caused shell resonance when working, so as to improve the performance of product.Microphone device further includes being attached at out
The dust-proof dottle pin 7 in 11 outside of sound hole.In addition, microphone device is also connected with the flexible circuit board with connecting pin 91 and inserted terminal 92
9, sounding monomer 3 is electrically connected with the connecting pin 91 of flexible circuit board 9, and the inserted terminal 92 of flexible circuit board 9 and the bottom wall of lower cover 2 are solid
Fixed connection, flexible circuit board 9 is for connecting sounding monomer 3 and external circuit.
It is a kind of microphone device provided by Embodiment 2 of the present invention as shown in Fig. 5 to Fig. 8.Upper cover 1 further includes from roof 12
The protrusion 15 raised to close 31 direction of vibrating diaphragm, protrusion 15 include the third surface 151 and connection top towards vibrating diaphragm 31
4th surface 152 of wall 12 and third surface 151, third surface 151 from the 4th surface 152 to far from sound outlet hole 11 direction on
Extend to the one of side wall 13 opposite with sound outlet hole 11, the 4th surface 152 is from one of side wall 13 across to opposite
Another side wall 13.Protrusion 15 has further changed the space inside ante-chamber 5, and the air pressure inside ante-chamber 5 is further dredged,
Internal pressure also more balances.Preferably, 12 surface of roof is plane, and third surface 151 is parallel to roof 12, the 4th surface
152 perpendicular to roof 12.In addition to above structure, the other structures of the embodiment two are the same as example 1, no longer superfluous herein
It states.
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 protection model of the invention
It encloses.
Claims (9)
1. a kind of microphone device comprising upper cover is surrounded the lower cover to form accommodating space with the upper cover and is contained in described
Sounding monomer in accommodating space, the sounding monomer have vibrating diaphragm, the upper cover include towards the vibrating diaphragm roof and
The side wall of the fixation sounding monomer extended from the roof to the direction close to the sounding monomer, the upper cover are equipped with
Sound hole, the roof, the side wall and the vibrating diaphragm surround to form ante-chamber, which is characterized in that the upper cover further includes from institute
State roof to far from the vibrating diaphragm direction be recessed recessed portion, the recessed portion include towards the vibrating diaphragm first surface and
The second surface of the first surface and the roof is connected, the first surface is from the second surface to the sound outlet hole
Side extends upwardly to the sound outlet hole, and the second surface is from side wall described in one of them across to opposite another side
Wall.
2. microphone device as described in claim 1, which is characterized in that the upper cover further includes from the roof to close to described
The protrusion of vibrating diaphragm direction protrusion, the protrusion include towards the third surface of the vibrating diaphragm and the connection roof and institute
The 4th surface on third surface is stated, the third surface is extended upwardly to from the 4th surface to the side far from the sound outlet hole
One of them opposite with the sound outlet hole side wall, the 4th surface is from side wall described in one of them across to opposite
Another side wall.
3. microphone device as claimed in claim 2, which is characterized in that the top wall surface be plane, the first surface and
The third surface is parallel to the roof, and the second surface and the 4th surface are perpendicular to the roof.
4. the microphone device as described in any one of claims 1 to 3, which is characterized in that the sounding monomer, the upper cover
The back cavity opposite with the ante-chamber is surrounded with the lower cover, the side far from the sound outlet hole of the roof is provided with towards institute
State the spaced walls for the annular that rear cavity direction extends, the bottom face of the spaced walls is fixed with the first breathable barrier, and described first
Breathable barrier, the spaced walls and the roof surround the accommodating chamber to be formed for filling sucting sound material.
5. microphone device as claimed in claim 4, which is characterized in that the roof is additionally provided with the connection accommodating chamber and outer
The opening portion of boundary's environment, diaphragm seal is covered at the opening portion, and the diaphragm seal seals the opening portion.
6. microphone device as claimed in claim 4, which is characterized in that the upper cover is also provided with leak holes, the leak holes
It is connected to the back cavity and external environment, the leak holes upper cover is equipped with the second breathable barrier.
7. the microphone device as described in any one of claims 1 to 3, which is characterized in that the microphone device further includes pad
Piece, the shim clip are set between the bottom and the lower cover of the sounding monomer.
8. the microphone device as described in any one of claims 1 to 3, which is characterized in that the microphone device further includes patch
Dust-proof dottle pin on the outside of the sound outlet hole.
9. the microphone device as described in any one of claims 1 to 3, which is characterized in that the microphone device is also connected with
Flexible circuit board with connecting pin and inserted terminal, the sounding monomer are electrically connected with the connecting pin of the flexible circuit board, institute
The inserted terminal for stating flexible circuit board is fixedly connected with the bottom wall of the lower cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428743.1A CN110166908B (en) | 2019-05-22 | 2019-05-22 | Sounding device |
| PCT/CN2019/088315 WO2020232728A1 (en) | 2019-05-22 | 2019-05-24 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428743.1A CN110166908B (en) | 2019-05-22 | 2019-05-22 | Sounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110166908A true CN110166908A (en) | 2019-08-23 |
| CN110166908B CN110166908B (en) | 2021-06-15 |
Family
ID=67631887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910428743.1A Active CN110166908B (en) | 2019-05-22 | 2019-05-22 | Sounding device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110166908B (en) |
| WO (1) | WO2020232728A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000789A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070019830A1 (en) * | 2005-07-20 | 2007-01-25 | Sony Corporation | Electroacoustic transducer using diaphragm and method for producing diaphragm |
| CN204350291U (en) * | 2015-02-03 | 2015-05-20 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204392555U (en) * | 2015-03-02 | 2015-06-10 | 歌尔声学股份有限公司 | Loud speaker module |
| CN206524921U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN206524962U (en) * | 2017-01-22 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN108810769A (en) * | 2018-08-03 | 2018-11-13 | 瑞声光电科技(常州)有限公司 | Loud speaker module |
| CN208479940U (en) * | 2018-01-26 | 2019-02-05 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN109743647A (en) * | 2018-12-27 | 2019-05-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686550B (en) * | 2013-11-18 | 2017-09-29 | 歌尔股份有限公司 | Loudspeaker module |
| CN205726375U (en) * | 2016-06-27 | 2016-11-23 | 奥音科技（北京）有限公司 | Mini-sound device |
| CN106101954A (en) * | 2016-07-20 | 2016-11-09 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure |
| CN106101955B (en) * | 2016-07-20 | 2019-10-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
-
2019
- 2019-05-22 CN CN201910428743.1A patent/CN110166908B/en active Active
- 2019-05-24 WO PCT/CN2019/088315 patent/WO2020232728A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070019830A1 (en) * | 2005-07-20 | 2007-01-25 | Sony Corporation | Electroacoustic transducer using diaphragm and method for producing diaphragm |
| CN204350291U (en) * | 2015-02-03 | 2015-05-20 | 歌尔声学股份有限公司 | Loud speaker module |
| CN204392555U (en) * | 2015-03-02 | 2015-06-10 | 歌尔声学股份有限公司 | Loud speaker module |
| CN206524921U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN206524962U (en) * | 2017-01-22 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN208479940U (en) * | 2018-01-26 | 2019-02-05 | 瑞声光电科技(常州)有限公司 | Loudspeaker enclosure |
| CN108810769A (en) * | 2018-08-03 | 2018-11-13 | 瑞声光电科技(常州)有限公司 | Loud speaker module |
| CN109743647A (en) * | 2018-12-27 | 2019-05-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000789A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110166908B (en) | 2021-06-15 |
| WO2020232728A1 (en) | 2020-11-26 |
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