CN208241880U - Acoustic mode group - Google Patents
Acoustic mode group Download PDFInfo
- Publication number
- CN208241880U CN208241880U CN201820860108.1U CN201820860108U CN208241880U CN 208241880 U CN208241880 U CN 208241880U CN 201820860108 U CN201820860108 U CN 201820860108U CN 208241880 U CN208241880 U CN 208241880U
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- CN
- China
- Prior art keywords
- acoustic
- stiffening plate
- waterproof membrane
- mode group
- gap
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- 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.)
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- 239000012528 membrane Substances 0.000 claims abstract description 52
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 6
- 239000000084 colloidal system Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a kind of acoustic mode group, including acoustic apparatus, stiffening plate, waterproof membrane, the acoustic apparatus has acoustic aperture, the stiffening plate is fixed on the surface of acoustic apparatus to cover the acoustic aperture, the waterproof membrane is fixed on surface of the stiffening plate far from acoustic apparatus side, the reinforcing chip is equipped with sound channel, gap is equipped among the reinforcing chip and the waterproof membrane to allow waterproof membrane to be vibrated, the gap is located at the non-face region of the acoustic aperture, and the gap passes through the sound channel and the acoustic aperture acoustic connection.The acoustic mode group of the utility model, can prevent under certain hydraulic pressure, and outside moisture directly acts on acoustic aperture by the through-hole on stiffening plate, thus the waterproof performance of Lifting Modules group.
Description
Technical field
The utility model relates to acoustics waterproof construction fields.
Background technique
Currently, loudspeaker, microphone largely appear in various electronic products, waterproof performance is for electronic product
It becomes more and more important.The important means that waterproof construction design is existing microphone waterproof is carried out using waterproof membrane.Waterproof membrane
The structure for adding stiffening plate is the important waterproof construction of one of them, by waterproof membrane oscillating component and acoustic aperture pair in usual structure design
Together, such structure can make microphone outside moisture when being impacted by hydraulic pressure that can enter directly into acoustic aperture.
Utility model content
In view of the above-mentioned problems, can alleviate the technical problem to be solved by the utility model is to provide a kind of acoustic mode group
Direct impact of the hydraulic pressure to acoustic apparatus, so as to improve waterproof performance.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of acoustic mode group, including acoustic apparatus, stiffening plate, waterproof membrane, the acoustic apparatus have acoustic aperture, the reinforcement
Plate is fixed on the surface of acoustic apparatus to cover the acoustic aperture, and the waterproof membrane is fixed on the stiffening plate far from acoustic apparatus one
The surface of side, which is characterized in that the stiffening plate is equipped with sound channel, between being equipped among the stiffening plate and the waterproof membrane
For gap to allow waterproof membrane to be vibrated, the gap is located at the non-face region of the acoustic aperture, and the gap passes through the sound
Channel and the acoustic aperture acoustic connection.
Preferred embodiment is that the acoustic apparatus is microphone monomer.
Preferred embodiment is that the acoustic apparatus is microphone apparatus, and the microphone apparatus includes circuit board.
Preferred embodiment is that the circuit board is FPC soft board, and the FPC soft board has reinforcing chip.
Preferred embodiment is that the reinforcement plate material is stainless steel, plastics or other hard materials.
Preferred embodiment is that the sound channel includes lateral on the surface that the stiffening plate deviates from the waterproof membrane side
The first groove being arranged and the through-hole for running through the stiffening plate in the vertical direction being connected to first groove.
Preferred embodiment is that the surface of the fixed waterproof membrane side of the stiffening plate is equipped with the second groove, and the gap includes
Second groove.
Preferred embodiment is that the acoustic apparatus is fixed with the stiffening plate by colloid.
Preferred embodiment is that the waterproof membrane is equipped with nose mouth far from the side of stiffening plate, is equipped with Air Filter, institute in the nose mouth
Nose mouth periphery is stated equipped with O-ring.
Preferred embodiment is that the waterproof membrane includes polytetrafluoroethylene film, and the waterproof membrane allows air to pass through but do not permit
Xu Shui passes through.
The acoustic mode group of the utility model, stiffening plate are equipped with sound channel, among stiffening plate and waterproof membrane equipped with gap with
Allow waterproof membrane to be vibrated, the gap setting acoustic aperture non-face region and gap connected by sound channel and acoustic aperture acoustics
It is logical.It, can be to avoid certain by the way that the part of gap, that is, waterproof membrane vibration and acoustic aperture position are horizontally staggered certain distance
Under hydraulic pressure, water directly acts on acoustic aperture by the through-hole on stiffening plate, to alleviate influence of the hydraulic pressure to acoustic apparatus, mentions
The waterproof performance of high product；In addition, the non-face in part of acoustic aperture and waterproof membrane vibration is arranged, also can avoid when extraneous acoustic pressure compared with
Acoustic pressure passes through direct impact of the waterproof membrane to acoustic aperture when big；Acoustic aperture also contributes to mentioning with the non-face setting in the part that waterproof membrane vibrates
The dirt exclusion capabilities of high mould group.
Detailed description of the invention
Fig. 1 is the acoustic mode group structural schematic diagram of the utility model embodiment one；
Fig. 2 is the acoustic mode group explosive view of the utility model embodiment one.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment one
As shown in Figure 1, a kind of acoustic mode group, including acoustic apparatus 1, stiffening plate 2, waterproof membrane 3, acoustic apparatus 1 have sound
Hole 13, stiffening plate 2 are fixed on the surface of acoustic apparatus 1 to cover acoustic aperture 13, and waterproof membrane 3 is fixed on stiffening plate 2 and fills far from acoustics
Set 1 surface, stiffening plate 2 is equipped with sound channel, stiffening plate 2 among waterproof membrane 3 equipped with gap to allow waterproof membrane to carry out
Vibration, the gap are located at the non-face region of acoustic aperture 13, i.e. the vertical central axis in gap and the vertical central axis of acoustic aperture is inclined
It leaves and.
In the present embodiment, acoustic apparatus 1 is microphone apparatus, and microphone apparatus 1 includes microphone monomer and circuit board.Electricity
Road plate includes FPC soft board 6, and FPC soft board 6 has reinforcing chip 5, and such structure can make acoustic apparatus 1 can be with other electronic components
It is fixed on same FPC.
In other embodiments, acoustic apparatus 1 can be microphone monomer, and microphone monomer includes the base for constituting accommodation space
Plate and shell, MEMS chip and asic chip are fixed in accommodation space, stiffening plate 2 be fixed on microphone monomer substrate or
On shell.
In the present embodiment, 2 material of stiffening plate is hard material to provide strong support for waterproof membrane, material can with but not
It is limited to stainless steel, plastics or metal.
In the present embodiment, sound channel includes first be laterally arranged on the surface that the stiffening plate 2 deviates from waterproof membrane 3
Groove 8 and the through-hole 12 for running through stiffening plate 2 in the vertical direction, the first groove 8 make through-hole 12 deviate 13 corresponding region of acoustic aperture.
The surface of the fixed waterproof membrane 3 of stiffening plate 2 is equipped with the second groove 9, the glue-line of the second groove 9 and fixed stiffening plate 2 and waterproof membrane 3
(not shown) together provides the gap of stiffening plate 2 Yu 3 oscillation space of waterproof membrane.The gap by sound channel (including
Through-hole 12 and the first groove 8) and 13 acoustic connection of acoustic aperture.Acoustic connection, that is, sound can transmit connection in corresponding component.It should
Gap provides the oscillation space of waterproof membrane, wherein the first groove 8 can be obtained with the second groove 9 by engraving method.At it
In his embodiment, 8 structure of the first groove of sound channel may be provided at the centre of stiffening plate rather than surface, and the first groove 8 passes through
The through-hole for being disposed longitudinally on its both ends is connected to acoustic aperture and gap respectively.It should be known to those skilled in the art that by mending
The design that setting other structures mutually stagger acoustic aperture to gap (generating the corresponding waterproof diaphragm area of vibration) on strong plate is equal
Comprising in this application.
In the present embodiment, acoustic apparatus 1 and stiffening plate 2 are fixed by colloid 7, and colloid 7 can be double-sided adhesive or pressure sensitive adhesive.
In the present embodiment, waterproof membrane 3 is equipped with nose mouth 10 far from the side of stiffening plate 2, and nose mouth 10 passes through glue 15 and stiffening plate 2
It is fixed, Air Filter 11 is equipped in glue nose mouth 10, periphery is equipped with O-ring 14.Nose mouth 10 can play a protective role to waterproof membrane,
Air Filter 11 may filter that some of the contaminants, and O-ring 14 is to fixed to provide close compressed fit with other component.
Embodiment two
Waterproof membrane module in the present embodiment and the waterproof membrane module structure in embodiment one are essentially identical, and difference is this
In embodiment, there is no groove structure on the surface of stiffening plate 2 and waterproof membrane 3, the gap between waterproof membrane and stiffening plate is by centre
Glue-line provide, i.e., the oscillation space of waterproof membrane only by between waterproof membrane and stiffening plate glue-line provide, benefit can be reduced in this way
The manufacture difficulty of strong plate.
The acoustic mode group of the utility model, by the way that special stiffening plate structure is arranged, etching includes cross such as on stiffening plate
It is to the sound channel in channel, the waterproof film location of acoustic aperture position and oscillating component is laterally separated, mitigate outside moisture to acoustic aperture
Direct impact, improve the waterproof performance of mould group；In addition, acoustic aperture and the non-face in part of waterproof membrane vibration are arranged, it can also
Mitigate the acoustic pressure when extraneous acoustic pressure is larger and passes through direct impact of the waterproof membrane to acoustic aperture；The part of acoustic aperture and waterproof membrane vibration is non-just
To setting so that extraneous dust can be deposited to first in acoustical passage, the dirt exclusion capabilities of mould group are improved to a certain extent.
The preferred embodiment of the utility model described above, is not intended to limit the utility model, all practical at this
Made any modification within novel spirit and principle, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of acoustic mode group, including acoustic apparatus, stiffening plate, waterproof membrane, the acoustic apparatus has acoustic aperture, the stiffening plate
The surface of acoustic apparatus is fixed on to cover the acoustic aperture, the waterproof membrane is fixed on the stiffening plate far from acoustic apparatus side
Surface, which is characterized in that the stiffening plate is equipped with sound channel, equipped with gap among the stiffening plate and the waterproof membrane
To allow waterproof membrane to be vibrated, the gap is located at the non-face region of the acoustic aperture, and the gap is logical by the sound
Road and the acoustic aperture acoustic connection.
2. a kind of acoustic mode group according to claim 1, which is characterized in that the acoustic apparatus is microphone monomer.
3. a kind of acoustic mode group according to claim 1, which is characterized in that the acoustic apparatus is microphone apparatus, institute
Stating microphone apparatus includes circuit board.
4. a kind of acoustic mode group according to claim 3, which is characterized in that the circuit board is FPC soft board, the FPC
Soft board has reinforcing chip.
5. a kind of acoustic mode group according to claim 1, which is characterized in that the reinforcement plate material is stainless steel, plastics
Or other hard materials.
6. a kind of acoustic mode group according to claim 1, which is characterized in that the sound channel is included in the stiffening plate
The first groove being laterally arranged on the surface of the waterproof membrane side and be connected to first groove in vertical direction
The upper through-hole through the stiffening plate.
7. a kind of acoustic mode group according to claim 6, which is characterized in that the table of the fixed waterproof membrane side of the stiffening plate
Face is equipped with the second groove, and the gap includes second groove.
8. a kind of acoustic mode group according to claim 1, which is characterized in that the acoustic apparatus passes through with the stiffening plate
Colloid is fixed.
9. a kind of acoustic mode group according to claim 1, which is characterized in that the waterproof membrane is set far from the side of stiffening plate
There is nose mouth, Air Filter is equipped in the nose mouth, nose mouth periphery is equipped with O-ring.
10. -9 described in any item a kind of acoustic mode groups according to claim 1, the waterproof membrane includes polytetrafluoroethylene film, institute
Stating waterproof membrane allows air to pass through but do not allow water to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820860108.1U CN208241880U (en) | 2018-06-05 | 2018-06-05 | Acoustic mode group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820860108.1U CN208241880U (en) | 2018-06-05 | 2018-06-05 | Acoustic mode group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241880U true CN208241880U (en) | 2018-12-14 |
Family
ID=64575358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820860108.1U Active CN208241880U (en) | 2018-06-05 | 2018-06-05 | Acoustic mode group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208241880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602602A (en) * | 2019-09-18 | 2019-12-20 | 歌尔股份有限公司 | Electronic equipment and audio module thereof |
| CN112291657A (en) * | 2020-10-30 | 2021-01-29 | 维沃移动通信有限公司 | Microphone module and assembling method thereof |
| CN113825330A (en) * | 2021-06-21 | 2021-12-21 | 荣成歌尔微电子有限公司 | Waterproof module and electronic equipment |
-
2018
- 2018-06-05 CN CN201820860108.1U patent/CN208241880U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602602A (en) * | 2019-09-18 | 2019-12-20 | 歌尔股份有限公司 | Electronic equipment and audio module thereof |
| CN112291657A (en) * | 2020-10-30 | 2021-01-29 | 维沃移动通信有限公司 | Microphone module and assembling method thereof |
| CN113825330A (en) * | 2021-06-21 | 2021-12-21 | 荣成歌尔微电子有限公司 | Waterproof module and electronic equipment |
| CN113825330B (en) * | 2021-06-21 | 2023-08-04 | 荣成歌尔微电子有限公司 | Waterproof module and electronic equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200616 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 261031 Room 308, Beizhai Street Investment Service Center, Laoshan District, Qingdao City, Shandong Province Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |