CN209526879U - 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
- CN209526879U CN209526879U CN201920403567.1U CN201920403567U CN209526879U CN 209526879 U CN209526879 U CN 209526879U CN 201920403567 U CN201920403567 U CN 201920403567U CN 209526879 U CN209526879 U CN 209526879U
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- China
- Prior art keywords
- elastic membrane
- vocal print
- print sensor
- cantilever beam
- mass block
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 28
- 230000001755 vocal effect Effects 0.000 title claims abstract description 28
- 239000012528 membrane Substances 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 238000005452 bending Methods 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
- 239000008358 core component Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010355 oscillation 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
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000725 suspension 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；Further include and the external shell that seal chamber is surrounded on the outside of outer enclosure structure, the elastic membrane being arranged in seal chamber and the mass block being arranged in elastic membrane；Seal chamber is divided into first annular seal space, and the second seal chamber being connected to by acoustic aperture with microphone chip by the elastic membrane；It further include the cantilever beam fixed and the support portion of the elastic membrane and both ends is supported to be separately connected support portion and mass block；The cantilever beam is located at the mass block side.The bone vocal print sensor of the utility model, can impact with dispersate gauge block to elastic membrane, avoid elastic membrane from prematurely entering fatigue state or damage, to improve the reliability of product.
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 diaphragm
And the mass block on vibrating diaphragm is set.Mass block is usually in a rectangle, due to its quality compare it is larger, vibration when its
It is also bigger to the impact of vibrating diaphragm, it is easy that vibrating diaphragm is made to enter fatigue state or damage, reduces the 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 the external shell that seal chamber is surrounded on the outside of outer enclosure structure, the elastic membrane being arranged in seal chamber
And the mass block in elastic membrane is set；Seal chamber is divided into first annular seal space by the elastic membrane, and by acoustic aperture with
Second seal chamber of microphone chip connection；
It further include fixing and the support portion of the elastic membrane and both ends being supported to be separately connected the outstanding of support portion and mass block
Arm beam；The cantilever beam is located at the mass block side.
Optionally, the thickness of the cantilever beam is less than the thickness of the mass block.
Optionally, the cantilever beam is 0.01mm- with a thickness of the width of 0.01mm-0.5mm or/and the cantilever beam
0.5mm。
It optionally, include multiple cantilever beams, the same side of the mass block is arranged in multiple cantilever beams.
Optionally, the cantilever beam is made of one of metal, plastics or resin.
Optionally, the metal material includes stainless steel or copper.
Optionally, the cantilever beam and elastic membrane are connected together by gluing.
Optionally, there is gap between the cantilever beam and elastic membrane.
Optionally: the outer enclosure structure includes substrate and the lid that snaps together with substrate；The lid with
And external shell is located at the opposite two sides of substrate.
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, can impact with dispersate gauge block to elastic membrane, avoid elastic membrane too early
Ground enters fatigue state or damage, to improve the reliability of product.
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 sectional view of the utility model bone vocal print sensor.
Fig. 2 is the top view of elastic membrane, mass block connection.
In figure: 1 substrate, 2 lids, 3 inner cavities, 4 asic chips, 5 microphone chips, 6 acoustic aperture, 7 external shells, 80 first
Seal chamber, 81 second seal chambers, 9 elastic membranes, 91 support portions, 10 mass blocks, 11 cantilever beams,
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.
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 elastic membrane 9 being arranged in seal chamber, and is arranged in elasticity
Mass block 10 on film 9.Elastic membrane 9 can use the diaphragm well-known to those skilled in the art with elastic deformation ability,
Including but not limited to plastic film, papery diaphragm, metallic membrane, biological diaphragm etc..Elastic membrane 9 can use single layer structure,
The diaphragm of MULTILAYER COMPOSITE can be used.Elastic membrane can use single material, can also be combined using unlike material.Herein
No longer illustrate.
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.
Elastic membrane 9 can be suspended in seal chamber by support portion.The support portion for example can be 7 side wall of external shell
A part.It is also possible to elastic membrane 9 to be clamped between support portion and the side wall of external shell 7, realizes connection, the branch of elastic membrane 9
Support, and the suspension in seal chamber.Seal chamber is divided into first annular seal space 80 by elastic membrane 9, and passes through acoustic aperture 6 and Mike
The second seal chamber 81 that wind chip 5 is connected to.
With reference to Fig. 1, the second seal chamber 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 the second seal chamber 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 and Fig. 2, the utility model further includes support portion 91.Support portion 91 is fixed and supports elastic membrane 9.Support
Portion 91 is in frame shaped, and the edge of elastic membrane 9 can be bonded on the end face of support portion 91, and the other positions of elastic membrane 9 are hanging.Elasticity
The outer profile of 9 overhead positions of film depends on the chamfered shape of 91 inside of support portion.
With reference to Fig. 2, the utility model further includes cantilever beam 11.Cantilever beam 11 is located at the side of mass block 10, both ends difference
Connect support portion 91 and mass block 10.The support portion 91 of elastic membrane 9 and mass block 10 are linked together by cantilever beam 11,
When mass block 10 vibrates, flexible film 9 and cantilever beam 11 absorb impact power jointly, can effectively reduce the vibration of mass block 10
It is impacted to caused by elastic membrane 9, impact of the dispersate gauge block 10 to elastic membrane 9, elastic membrane 9 is avoided prematurely to enter fatigue state
Or damage, to improve product reliability.One end of cantilever beam 11 can be directly connected to the end face of support portion 91, can also be with
It is attached across elastic membrane 9, the utility model is not intended to limit this.Connection type includes being integrally formed, being bonded, heat etc. even
Connect form.
On direction of vibration, the thickness of cantilever beam 11 is less than the thickness of mass block 10.The thickness of cantilever beam 11 is not equal to branch
The thickness of support part 91 reduces vibration to outstanding so that the stress that mass block 10 is generated in vibration is concentrated at cantilever beam 11
Influence caused by the support portion 91 and mass block 10 at 11 both ends of arm beam.
Optionally, with reference to Fig. 1, the width of cantilever beam 11 is less than the width of 10 side of mass block of connection, to guarantee quality
The vibration performance of block 10, reduce cantilever beam 11 influences on caused by mass block 10.Further, may include in the utility model
There are multiple cantilever beams, the same side of mass block is arranged in multiple cantilever beams, so that only side is connect mass block 10 with support portion 91,
Reducing caused by mass block 10 is vibrated in connection influences.
Optionally, cantilever beam 11 with a thickness of 0.01mm-0.5mm.The width of cantilever beam 11 is 0.01mm-0.5mm.
Optionally, cantilever beam 11 can be made of one of materials such as metal, plastics or resin.Metal material can be with
Including the metals such as stainless steel or copper.Plastic material may include the highstrenghtpistons such as PET, PPS, BT, these belong to the prior art
The material of the common knowledge of middle those skilled in the art, no longer illustrates herein.
Optionally, cantilever beam 11 is connected together with elastic membrane 9 by gluing, common to vibrate.It is also possible to as shown in fig. 1
, there is gap between cantilever beam 11 and elastic membrane 9, so that cantilever beam 11 and the vibration of elastic membrane 9 are not interfere with each other, guarantee elasticity
The acoustical behavior of film 9.
With reference to Fig. 1, support portion 91 is arranged between substrate 1 and external shell 7, by substrate 1 and 7 clamping of external shell, makes
The vibration area for obtaining elastic membrane 9 can be big as far as possible.Or in other examples, support portion 91 can also pass through card
It the forms such as connects, be bonded to be arranged on the inner wall of external shell 7, the utility model is not intended to limit this.Further, in external shell
It is provided with the groove of evacuation cantilever beam 11 on the inner wall of body 7, cantilever beam 11 is enabled to connect support portion 91 and mass block 10, and
With enough oscillation spaces.
Optionally, with reference to Fig. 2, after mass block 10 is bonded in elastic membrane 9, elastic membrane 9 is located at support portion 91 and quality
Region between block 10 is wide, that is to say, that 9 overhead positions of elastic membrane and the region not covered by mass block 10 are ring-type, should
Cricoid region is wide.In an optional embodiment, the width of the annular section is 0.03-2mm.Using in this way
Design structure, the stress of elastic membrane can be balanced so that elastic membrane have higher sensitivity.
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 the external shell that seal chamber is surrounded on the outside of outer enclosure structure, the elastic membrane being arranged in seal chamber and
Mass block in elastic membrane is set；Seal chamber is divided into first annular seal space by the elastic membrane, and passes through acoustic aperture and Mike
Second seal chamber of wind chip connection；
It further include the cantilever fixed and the support portion of the elastic membrane and both ends is supported to be separately connected support portion and mass block
Beam；The cantilever beam is located at the mass block side.
2. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the thickness of the cantilever beam is less than described
The thickness of mass block.
3. a kind of bone vocal print sensor according to claim 1 or 2, it is characterised in that: the cantilever beam with a thickness of
The width of 0.01mm-0.5mm or/and the cantilever beam is 0.01mm-0.5mm.
4. a kind of bone vocal print sensor according to claim 1, it is characterised in that: it include multiple cantilever beams, it is more
The same side of the mass block is arranged in a cantilever beam.
5. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the cantilever beam uses metal, plastics
Or one of resin is made.
6. a kind of bone vocal print sensor according to claim 5, it is characterised in that: the metal material include stainless steel or
Copper.
7. a kind of bone vocal print sensor according to claim 1, it is characterised in that: the cantilever beam and elastic membrane pass through glue
It bonds together.
8. a kind of bone vocal print sensor according to claim 1, it is characterised in that: have between the cantilever beam and elastic membrane
There is gap.
9. 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 and external shell are located at the opposite two sides of substrate.
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 |
|---|---|---|---|
| CN201920403567.1U CN209526879U (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 |
|---|---|---|---|
| CN201920403567.1U CN209526879U (en) | 2019-03-27 | 2019-03-27 | A kind of bone vocal print sensor and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526879U true CN209526879U (en) | 2019-10-22 |
Family
ID=68232501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920403567.1U Active CN209526879U (en) | 2019-03-27 | 2019-03-27 | A kind of bone vocal print sensor and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526879U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111818409A (en) * | 2020-07-20 | 2020-10-23 | 潍坊歌尔微电子有限公司 | Bone voiceprint sensor 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 |
| WO2022262226A1 (en) * | 2021-06-18 | 2022-12-22 | 深圳市韶音科技有限公司 | Vibration sensor |
| WO2023015478A1 (en) * | 2021-08-11 | 2023-02-16 | 深圳市韶音科技有限公司 | Vibration sensor |
-
2019
- 2019-03-27 CN CN201920403567.1U patent/CN209526879U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN111818409A (en) * | 2020-07-20 | 2020-10-23 | 潍坊歌尔微电子有限公司 | Bone voiceprint sensor and electronic device |
| WO2022262226A1 (en) * | 2021-06-18 | 2022-12-22 | 深圳市韶音科技有限公司 | Vibration sensor |
| WO2023015478A1 (en) * | 2021-08-11 | 2023-02-16 | 深圳市韶音科技有限公司 | Vibration sensor |
| US11662248B2 (en) | 2021-08-11 | 2023-05-30 | Shenzhen Shokz Co., Ltd. | Vibration sensors |
| US12072228B2 (en) | 2021-08-11 | 2024-08-27 | Shenzhen Shokz Co., Ltd. | Vibration sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |