CN209526834U - A kind of bone vocal print sensor and electronic equipment - Google Patents
A kind of bone vocal print sensor and electronic equipment Download PDFInfo
- Publication number
- CN209526834U CN209526834U CN201920403566.7U CN201920403566U CN209526834U CN 209526834 U CN209526834 U CN 209526834U CN 201920403566 U CN201920403566 U CN 201920403566U CN 209526834 U CN209526834 U CN 209526834U
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- support portion
- vocal print
- elastic membrane
- print sensor
- outer enclosure
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 31
- 230000001755 vocal effect Effects 0.000 title claims abstract description 31
- 239000012528 membrane Substances 0.000 claims abstract description 38
- 239000003292 glue Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The utility model relates to a kind of bone vocal print sensor and electronic equipments, including outer enclosure structure and the microphone chip being arranged in external encapsulating structure；Acoustic aperture is additionally provided in the outer enclosure structure；The external shell for further including and surrounding seal chamber on the outside of outer enclosure structure；It further include support portion, elastic membrane and the mass block being arranged in elastic membrane in seal chamber；The elastic membrane is attached on the end face of support portion；For the support portion through glue sticking on the inner wall of seal chamber, seal chamber is divided into the second seal chamber, and the first annular seal space being connected to by acoustic aperture with microphone chip by the elastic membrane and support portion.The bone vocal print sensor of the utility model, reduces process for dispensing glue, avoids elastic membrane in prior art bone vocal print sensor and is adhered to caused gas leakage hidden danger between external shell and outer enclosure structure, it is ensured that the sealing performance of first annular seal space.
Description
Technical field
The utility model relates to sonic transducers, more specifically, the utility model relates to bone vocal print sensors；The utility model
Further relate to the electronic equipment using this bone vocal print sensor.
Background technique
Bone vocal print sensor instigates air flowing when being a kind of vibration using sound film, and the one of flow signals are detected with this
Kind sensor.Bone vocal print sensor generally includes vibrational system and microphone assembly, and vibrational system is used to incude extraneous vibration
Dynamic information, and the air-flow variation generated when vibrating is converted to by electric signal by microphone assembly, believed with this to express the vibration
Breath.Vibrational system and microphone assembly are the core components of bone vocal print sensor.
Existing vibrational system includes vibrating reed, in order to form the space of sealing and the vibration in order to guarantee vibrating reed
Dynamic effect, needs to fill damping glue in the pattern interval of vibrating reed；Further need exist between vibrating reed and gasket into
Row gluing；Gluing is carried out between gasket and shell.Since process for dispensing glue is more, the problem of be easy to causeing gas leakage, product is caused
Disabler, reduce the yield and reliability of product.
Utility model content
There is provided a kind of bone vocal print sensors for one purpose of the utility model.
One aspect according to the present utility model, provides a kind of bone vocal print sensor, including outer enclosure structure and sets
Set the microphone chip in external encapsulating structure；Acoustic aperture is additionally provided in the outer enclosure structure；Further include and outside
The external shell of seal chamber is surrounded on the outside of encapsulating structure；
It further include support portion, elastic membrane and the mass block being arranged in elastic membrane in seal chamber；The elasticity
Film is attached on the end face of support portion；The support portion passes through glue sticking on the inner wall of seal chamber, the elastic membrane and support
Seal chamber is divided into the second seal chamber, and the first annular seal space being connected to by acoustic aperture with microphone chip by portion.
Optionally, the support portion is by glue sticking on the outer wall of external encapsulating structure；The elastic membrane, support portion,
The outer wall of outer enclosure structure surrounds the first annular seal space.
Optionally, the external shell is by glue sticking on the outer wall of external encapsulating structure.
Optionally, the support portion is positioned adjacent to the position of external shell side wall.
Optionally, glue is filled in at least partly gap between support portion and external shell.
Optionally, the glue between the glue between support portion and external shell, support portion and outer enclosure structure, external shell
Glue between outer enclosure structure is integrated, and is set in advance in the outside of outer enclosure structure simultaneously.
Optionally, the outer enclosure structure includes substrate and the lid that snaps together with substrate；It is the lid, outer
Portion's shell is located at the opposite two sides of substrate.
Optionally, the mass block is by glue sticking in elastic membrane.
Optionally, the mass block is located at side opposite with support portion in elastic membrane.
Another aspect according to the present utility model, additionally provides a kind of electronic equipment, including above-mentioned bone vocal print sensor.
The bone vocal print sensor of the utility model, support zone are collectively formed in seal chamber and with complete elastic membrane
One seal chamber avoids elastic membrane in prior art bone vocal print sensor and is adhered to outside such a configuration reduce process for dispensing glue
Caused gas leakage hidden danger between portion's shell and outer enclosure structure, it is ensured that the sealing performance of first annular seal space.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is the cross-sectional view of the utility model bone vocal print sensor.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The utility model provides a kind of bone vocal print sensor and electronic equipment, the electronic equipment can be helmet,
The electronic equipments well-known to those skilled in the art such as earphone, smartwatch, Intelligent bracelet and vehicle-mounted noise reducing apparatus.
Bone vocal print sensor provided by the utility model includes outer enclosure structure and is arranged in external encapsulating structure
Microphone chip；The extraneous acoustic aperture of connection is additionally provided in the outer enclosure structure.
With reference to Fig. 1, outer enclosure structure includes substrate 1, the lid 2 with open end.Substrate 1 and lid 2 define tool
There is the outer enclosure of inner cavity 3, microphone chip is then arranged in the inner cavity 3 of outer enclosure.The substrate of the utility model can be
Circuit board, the circuit board are arranged in the opening end position of lid 2, the open end of lid 2 are closed, lid 2 and circuit board
The outer enclosure structure with inner cavity 3 is defined jointly.
The outer enclosure structure of the utility model, microphone chip 5 are arranged on substrate 1 (circuit board).On substrate 1 also
It is provided with asic chip 4.The position that microphone chip 5 is corresponded on substrate 1 is provided with acoustic aperture 6, so as to sound entrance；Certainly, right
For those skilled in the art, acoustic aperture 6 also be can be set on lid 2.
Microphone chip 5 is the transducer part for converting voice signal to electric signal, which can be MEMS
Microphone chip is made using MEMS (MEMS) technique.Microphone chip 5 links together with asic chip 4, makes
The electric signal that exports of microphone chip 5 can be for transmission in asic chip 4, and by the processing of asic chip 4, output.
It can be connected by gold thread between microphone chip 5 and asic chip 4, the circuit cloth in substrate 1 can also be passed through
Figure conducting, this belongs to the common knowledge of those skilled in the art, no longer illustrates herein.
The utility model lid 2 it is open at one end comprising be in flat top, and from top edge along perpendicular to
The sidewall portion that the direction at top extends.Sidewall portion forms open end far from the one end at top.Top, sidewall portion can be one
It is molding.Such as lid 2 can select metal material, form it can by techniques such as punching press, bendings with open at one end
Shell, this common knowledge for belonging to those skilled in the art, no longer illustrates herein.
The bone vocal print sensor of the utility model, further includes the external shell 7 being arranged on the outside of external encapsulating structure, this is outer
Portion's shell 7 and the side wall of outer enclosure structure define seal chamber.
With reference to Fig. 1, external shell 7 and lid 2 are located at the opposite two sides of substrate 1, and lid 2 and substrate 1 define outer
The other side of portion's encapsulating structure, external shell 7 and substrate 1 defines seal chamber, and the seal chamber is made to pass through acoustic aperture 6 and outside
The inner cavity 3 of encapsulating structure is connected to.External shell 7 can be by glue sticking on substrate 1, to guarantee the sealing performance of seal chamber.
For those skilled in the art, when acoustic aperture 6 is arranged on lid 2, the setting of external shell 7 is being covered
The position of acoustic aperture 6 is covered on body 2, so that the seal chamber can pass through acoustic aperture 6 when external shell 7 and lid 2 surround seal chamber
It is connected to the inner cavity 3 of outer enclosure structure.
The bone vocal print sensor of the utility model, further includes the support portion 11 being arranged in seal chamber, elastic membrane 9, and
Mass block 10 in elastic membrane 9 is set.Elastic membrane 9 can have elastic energy of deformation using well-known to those skilled in the art
The diaphragm of power, including but not limited to plastic film, papery diaphragm, metallic membrane, biological diaphragm etc..Elastic membrane 9 can be using single
Layer structure can also use the diaphragm of MULTILAYER COMPOSITE.Elastic membrane can use single material, can also be compound using unlike material
It forms.It no longer illustrates herein.
For support portion 11 through glue sticking on the inner wall of seal chamber, seal chamber is divided into the by elastic membrane 9 and support portion 11
Two seal chambers, and the first annular seal space being connected to by acoustic aperture with microphone chip.Such as support portion 11 can be bonded in outside
Shell 7 it is interior on.
In the utility model another embodiment, the support portion 11 in seal chamber is by glue sticking in substrate 1
On, elastic membrane 9 can be suspended in seal chamber by support portion 11.The marginal position of elastic membrane 9 can be attached to branch by sticker
On the end face of support part 11, the leakproofness and switching performance between elastic membrane 9 and support portion 11 thereby may be ensured that.Elastic membrane 9,
Support portion 11 and substrate 1 define first annular seal space 81, and the first annular seal space 81 passes through acoustic aperture 6 and outer enclosure structure inner chamber
Microphone chip 5 in 3 is connected to.
With reference to Fig. 1, first annular seal space 81 is connected to by acoustic aperture 6 with the inner cavity of outer enclosure structure, when mass block 10 drives
When elastic membrane 9 is vibrated, elastic membrane 9 instigates the inner cavity 3 that the air-flow in first annular seal space 81 flows into outer enclosure structure through acoustic aperture 6
In, the vibrating diaphragm in microphone chip 5 is influenced by air-flow flowing and is vibrated, to export the electric signal of variation.
With reference to Fig. 1, seal chamber is also divided into first annular seal space 81 and the second seal chamber 80 by elastic membrane 9, support portion 11.This
Sample under the action of entire seal chamber, will not influence the performance of product even if first annular seal space 81 has gas leakage.
Bone vocal print sensor of the invention, support zone is in seal chamber, by glue sticking in the outer of external encapsulating structure
Side, and first annular seal space is collectively formed with complete elastic membrane, such a configuration reduce processes for dispensing glue, it is ensured that first is close
Seal the sealing performance of chamber.
Mass block 10 can be by glue sticking in elastic membrane 9, and when being influenced by extraneous vibration, mass block 10 can band
Dynamic elasticity film 9 is of reciprocating vibration on direction of vibration, which can instigate air-flow flowing, is examined after acoustic aperture 6 by microphone chip 5
It measures, thus by the air-flow flow transition at electric signal.
Optionally, opposite with support portion 11 side in elastic membrane 9 can be set in mass block 10, this is conducive to seal chamber appearance
Long-pending design.
Optionally, the sidewall locations in neighbouring external shell 7 can be set in support portion 11, can guarantee elastic membrane 9 in this way
Size requirements, to improve the vibration characteristics of elastic membrane 9.
Optionally, glue is filled in at least partly gap between support portion 11 and external shell 7, to further increase
The sealing performance of first annular seal space, the second seal chamber.
Optionally, the glue between the glue between support portion 11 and external shell 7, support portion 11 and substrate 1, external shell 7
Glue between substrate 1 is integrated, and is set in advance in the outside of substrate 1 simultaneously, and this design organization and assembly technology mention
High first annular seal space, the sealing performance of the second seal chamber.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of bone vocal print sensor, it is characterised in that: including outer enclosure structure and be arranged in external encapsulating structure
Microphone chip；Acoustic aperture is additionally provided in the outer enclosure structure；Further include with surrounded on the outside of outer enclosure structure it is close
Seal the external shell of chamber；
It further include support portion, elastic membrane and the mass block being arranged in elastic membrane in seal chamber；The elastic membrane patch
It is attached on the end face of support portion；For the support portion through glue sticking on the inner wall of seal chamber, the elastic membrane and support portion will
Seal chamber is divided into the second seal chamber, and the first annular seal space being connected to by acoustic aperture with microphone chip.
2. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the support portion passes through glue sticking outside
On the outer wall of portion's encapsulating structure；The elastic membrane, support portion, outer enclosure structure outer wall surround the first annular seal space.
3. a kind of bone vocal print sensor according to claim 2, it is characterised in that: the external shell is existed by glue sticking
On the outer wall of outer enclosure structure.
4. a kind of bone vocal print sensor according to claim 3, it is characterised in that: the support portion is positioned adjacent to outside
The position of housing sidewall.
5. a kind of bone vocal print sensor according to claim 4, it is characterised in that: between support portion and external shell
Glue is filled at least partly in gap.
6. a kind of bone vocal print sensor according to claim 5, it is characterised in that: between support portion and external shell
Glue, external shell between glue, support portion and outer enclosure structure and the glue between outer enclosure structure are integrated, and simultaneously
It is set in advance in the outside of outer enclosure structure.
7. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the outer enclosure structure includes substrate
And the lid snapped together with substrate；The lid, external shell are located at the opposite two sides of substrate.
8. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the mass block is by glue sticking in bullet
On property film.
9. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the mass block be located in elastic membrane with
The opposite side of support portion.
10. a kind of electronic equipment, which is characterized in that including bone vocal print sensor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403566.7U CN209526834U (en) | 2019-03-27 | 2019-03-27 | A kind of bone vocal print sensor and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403566.7U CN209526834U (en) | 2019-03-27 | 2019-03-27 | A kind of bone vocal print sensor and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526834U true CN209526834U (en) | 2019-10-22 |
Family
ID=68231833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920403566.7U Active CN209526834U (en) | 2019-03-27 | 2019-03-27 | A kind of bone vocal print sensor and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526834U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972045A (en) * | 2019-11-18 | 2020-04-07 | 歌尔股份有限公司 | Vibration sensing device and electronic equipment |
| CN111031424A (en) * | 2019-12-06 | 2020-04-17 | 歌尔股份有限公司 | Vibration sensing device, earphone and electronic equipment |
| CN111131988A (en) * | 2019-12-30 | 2020-05-08 | 歌尔股份有限公司 | Vibration sensor and audio device |
| CN113259818A (en) * | 2021-04-26 | 2021-08-13 | 歌尔微电子股份有限公司 | Bone voiceprint sensor, manufacturing method thereof and electronic device |
| US20210302227A1 (en) * | 2020-03-25 | 2021-09-30 | Merry Electronics Co., Ltd. | Vibration sensor |
| US20210364346A1 (en) * | 2020-03-25 | 2021-11-25 | Merry Electronics Co., Ltd. | Vibration sensor |
| WO2022062001A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Bone conduction microphone and mobile terminal |
| WO2022262177A1 (en) * | 2021-06-18 | 2022-12-22 | 深圳市韶音科技有限公司 | Vibration sensor |
| US11698292B2 (en) | 2021-07-16 | 2023-07-11 | Shenzhen Shokz Co., Ltd. | Sensing devices |
| RU2800551C1 (en) * | 2021-07-16 | 2023-07-24 | Шэньчжэнь Шокз Ко., Лтд. | Sensors |
-
2019
- 2019-03-27 CN CN201920403566.7U patent/CN209526834U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110972045A (en) * | 2019-11-18 | 2020-04-07 | 歌尔股份有限公司 | Vibration sensing device and electronic equipment |
| CN111031424A (en) * | 2019-12-06 | 2020-04-17 | 歌尔股份有限公司 | Vibration sensing device, earphone and electronic equipment |
| CN111131988A (en) * | 2019-12-30 | 2020-05-08 | 歌尔股份有限公司 | Vibration sensor and audio device |
| CN111131988B (en) * | 2019-12-30 | 2021-06-18 | 歌尔股份有限公司 | Vibration sensor and audio device |
| US20210364346A1 (en) * | 2020-03-25 | 2021-11-25 | Merry Electronics Co., Ltd. | Vibration sensor |
| US20210302227A1 (en) * | 2020-03-25 | 2021-09-30 | Merry Electronics Co., Ltd. | Vibration sensor |
| US11467027B2 (en) * | 2020-03-25 | 2022-10-11 | Merry Electronics Co., Ltd. | Vibration sensor for obtaining signals with high signal-to-noise ratio |
| US11619544B2 (en) * | 2020-03-25 | 2023-04-04 | Merry Electronics Co., Ltd. | Vibration sensor having vent for pressure enhancing member |
| US11781901B2 (en) * | 2020-03-25 | 2023-10-10 | Merry Electronics Co., Ltd. | Vibration sensor with pressure enhancement |
| WO2022062001A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Bone conduction microphone and mobile terminal |
| CN113259818A (en) * | 2021-04-26 | 2021-08-13 | 歌尔微电子股份有限公司 | Bone voiceprint sensor, manufacturing method thereof and electronic device |
| WO2022262177A1 (en) * | 2021-06-18 | 2022-12-22 | 深圳市韶音科技有限公司 | Vibration sensor |
| US11698292B2 (en) | 2021-07-16 | 2023-07-11 | Shenzhen Shokz Co., Ltd. | Sensing devices |
| RU2800551C1 (en) * | 2021-07-16 | 2023-07-24 | Шэньчжэнь Шокз Ко., Лтд. | Sensors |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200611 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |