CN206602609U - Microphone - Google Patents
Microphone Download PDFInfo
- Publication number
- CN206602609U CN206602609U CN201621352860.2U CN201621352860U CN206602609U CN 206602609 U CN206602609 U CN 206602609U CN 201621352860 U CN201621352860 U CN 201621352860U CN 206602609 U CN206602609 U CN 206602609U
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- CN
- China
- Prior art keywords
- acoustic aperture
- microphone
- controller
- circuit board
- containment vessel
- 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.)
- Expired - Fee Related
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Abstract
The application is related to technical field of electronic devices, more particularly to a kind of microphone, it includes containment vessel and the control circuit chip being contained in containment vessel and the mems chip provided with back of the body chamber, containment vessel includes circuit board and the shell to form host cavity is connect with circuit board cover, the first acoustic aperture connected with host cavity is offered on shell, mems chip is placed on circuit board, the second acoustic aperture connected with back of the body chamber is offered on circuit board, microphone also includes being arranged at the controller at second acoustic aperture, controller has the first operating position and the second operating position, at the first operating position, the exterior space of second acoustic aperture connective protection shell and back of the body chamber, in the second place, the exterior space and back of the body chamber of controller barrier protection shell.Such a microphone is provided simultaneously with two kinds of mode of operations, with larger pickup scope, while having less noise.
Description
Technical field
The application is related to technical field of electronic devices, more particularly to a kind of microphone.
Background technology
Microphone is the energy conversion device that voice signal is converted to electric signal, with continuing to develop for technology, Mike
The structure of wind is more and more diversified, performance also more and more higher.
Traditional microphone is divided into many kinds and function is more single, wherein including omnidirectional microphone and single sensing Mike
Wind.Omnidirectional microphone has essentially identical sensitiveness, therefore the pickup of omnidirectional microphone to the sound of all directions around it
Scope is wider, but omnidirectional microphone has the problem of noise is larger.The pickup scope presenting direction of uni-directional microphone,
That is, the pickup scope of uni-directional microphone is smaller, but its noise is smaller.In many application scenarios, according to difference
The need for, it is busy to need to use uni-directional microphone, and sometimes for full directional microphone is used, now generally require in equipment
It is middle to set two microphones to realize magnetic function, therefore, the cost of the manufacturing was so both increased, while also taking more
Space, therefore, it is necessary to propose a kind of new microphone to improve such a situation.
Utility model content
This application provides a kind of microphone, it can unrestricted choice omnidirectional microphone mode of operation or uni-directional microphone work
Operation mode.
The application first aspect provide a kind of microphone, including containment vessel and be contained in the containment vessel control electricity
Road chip and the mems chip provided with back of the body chamber, the containment vessel include circuit board and connect to form host cavity with the circuit board cover
Shell, offer the first acoustic aperture connected with the host cavity on the shell, the mems chip is placed in the circuit
On plate, the second acoustic aperture connected with the back of the body chamber is offered on the circuit board, it is characterised in that the microphone also includes setting
The controller being placed at second acoustic aperture,
The controller has the first operating position and the second operating position, at first operating position, and described the
Two acoustic aperture connect the exterior space and the back of the body chamber of the containment vessel, at second operating position, the controller barrier
The exterior space of the containment vessel and the back of the body chamber.
Preferably, in addition to covering first acoustic aperture the first damping screen and/or covering second acoustic aperture second
Damping screen.
Preferably, second damping screen is embedded in the circuit board.
Preferably, the size of first acoustic aperture is less than the size of second acoustic aperture.
Preferably, the controller is arranged on the outer surface of the circuit board.
Preferably, the controller is acoustic pressure controller.
Preferably, first damping screen is arranged on the inwall of the shell.
The second aspect of the application provides a kind of microphone, including containment vessel and controller,
The containment vessel includes circuit board and connect with the circuit board cover to open up on the shell to form host cavity, the shell
Offered on first acoustic aperture, the circuit board in the second acoustic aperture, first acoustic aperture and form the first entering tone passage, the rising tone
The second entering tone passage is formed in hole,
The controller is arranged on the circuit board, and the controller is used to control the logical of the second entering tone passage
It is disconnected.
Preferably, the microphone also includes being arranged at the damper portion at second acoustic aperture, and the damper portion can be right
The second entering tone passage produces damping action.
Preferably, the microphone also includes being arranged at the damper portion at first acoustic aperture, and the damper portion can be right
The first entering tone passage produces damping action.
The technical scheme that the application is provided can reach following beneficial effect：
Microphone provided herein is added on controller, and microphone while being provided with the first acoustic aperture and second
Acoustic aperture, controller can control the entering tone state of the second acoustic aperture, singly refer to so that microphone can be switched in different situations
To microphone or omnidirectional microphone, so that a microphone just can realize the function of two kinds of microphones in equipment, section
Inner space and the manufacturing cost of equipment are saved, such a microphone can be carried according to different state free switching mode of operations
The high effect of tonequality.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
The structural representation for the microphone that Fig. 1 is provided by the embodiment of the present application.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in figure 1, the embodiment of the present application provides a kind of microphone, this microphone can be silicon microphone, and it includes
Containment vessel 10, mems chip (Micro-Electro-Mechanical System, MEMS) 12, control circuit chip
(Application Specific Integrated Circuit, ASIC) 14, controller 16 and connecting line 17.Microcomputer battery core
Piece 12 is provided with back of the body chamber.
Containment vessel 10 can generally include shell 100 and circuit board 102, and the circuit board 102 can use PCB (Printed
Circuit Board, printed circuit board).Shell 100 is fixedly connected with circuit board 102, and then forms host cavity, and foregoing is micro-
Electromechanical chip 12 and control circuit chip 14 are all contained in the host cavity, and mems chip 12 and control circuit chip 14 have
Body can be placed on circuit board 102, and is electrically connected to by connecting line 17 on circuit board 102.Offered on shell 100 and shell
First acoustic aperture 100a of the host cavity connection in 100, the connected with the back of the body chamber of mems chip 12 is offered on circuit board 102
Two acoustic aperture 102a.
Controller 16 is arranged on foregoing containment vessel 10, specifically, and controller 16 is arranged on circuit board 102, certainly, its
It can also be arranged on shell 100.In the present embodiment, controller 16 is arranged on the circuit board 102, the controller 16
There is the first operating position and the second operating position in use, herein at the first operating position, the second acoustic aperture 102a connects
The back of the body chamber of the exterior space and mems chip 12 of logical containment vessel 10, at the second operating position, the barrier protection shell of controller 16
10 exterior space and the back of the body chamber of mems chip 12.
When controller is arranged on shell, the controller equally also has the first operating position and the in use
Two operating positions, herein at the first operating position, the host cavity in the exterior space and shell of the first acoustic aperture connection shell, the
At two operating positions, the host cavity in the exterior space and shell of controller barrier shell.
Controller noted above 16 can be by switching the state of itself so that in the first acoustic aperture 100a and the second acoustic aperture 102a
The connected state of at least one changes.By taking the second acoustic aperture as an example, under noisy environment or high sound pressure environment, controller 16
Start, to allow sound to pass through from the second acoustic aperture 102a, so as to form the first acoustic aperture 100a and the second acoustic aperture 102a entering tones simultaneously
State, microphone now is equivalent to a uni-directional microphone；Under relative quiet environment, controller 16 is closed, and is prevented
Sound passes through from the second acoustic aperture 102a, so as to only allow the first acoustic aperture 100a to be in entering tone state, microphone now is equivalent to
One omnidirectional microphone.
Specifically, controller noted above 16 can be provided in the catch at the first acoustic aperture 100a or the second acoustic aperture 102a
Structure, the catch relative to the first acoustic aperture 100a or the second acoustic aperture 102a movements or can be rotated, and then can cut off the
Connected relation between one acoustic aperture 100a or the second acoustic aperture 102a and the exterior space of containment vessel 10.Similarly, catch occurs
During displacement, it is also possible that the exterior space and shell 100 of the first acoustic aperture 100a or the second acoustic aperture 102a and shell 100
Connected relation is produced between host cavity or the back of the body chamber of mems chip 12.
Preferably, controller 16 can use acoustic pressure controller, with the property for the microphone for improving the embodiment of the present application offer
Energy.Controller 16 can be arranged on the outer surface of containment vessel 10, i.e., the outer surface of shell 100 and/or circuit board 102 is outer
Surface, with the disassembling operations of this simplify control device 16, while being easy to the working condition of the control microphone of controller 16.
It can be seen from the above, the microphone that the embodiment of the present application is provided adds controller 16, and microphone
Upper to be provided with the first acoustic aperture 100a and the second acoustic aperture 102a simultaneously, controller 16 can control the first acoustic aperture 100a or/and second
Acoustic aperture 102a entering tone state, so that microphone can switch to uni-directional microphone or omnidirectional Mike in different situations
Wind saves inner space and the system of equipment so that a microphone just can realize the function of two kinds of microphones in equipment
This is caused, such a microphone can improve the effect of tonequality according to different state free switching mode of operations.Such a Mike
Wind can weaken produced by defect during microphone works, such as uni-directional microphone it is near say effect, omnidirectional microphone is present
Noise it is bigger than normal the problem of etc..
Controller noted above 16 can only set one, and the controller 16 be located at position where the first acoustic aperture 100a or
Position where the second acoustic aperture of person 102a.Or controller noted above 16 could be arranged to two, i.e. the first acoustic aperture 100a, the rising tone
It is each at the 102a of hole to set one, in this way, just can realize that the microphone is that top enters sound, bottom and enters sound or top and bottom
Enter the working condition of sound simultaneously.When without using microphone, two controllers can control the first acoustic aperture 100a, second simultaneously
Acoustic aperture 102a is simultaneously closed off.
In further embodiment, following setting can be made to the first acoustic aperture 100a and the second acoustic aperture 102a structure：
The size of the first acoustic aperture 100a away from circuit board 102 can be less than the chi for the second acoustic aperture 102a being opened on circuit board 102
It is very little.After such a scheme, the first acoustic aperture 100a and the second acoustic aperture 102a parameter difference strengthens the list of microphone with this
Point to attribute so that noise during microphone works is smaller.
As shown in figure 1, in order to strengthen performance when microphone works under single sensing state, above-mentioned microphone may also include
Cover the first damping screen 18 of the first acoustic aperture 100a and/or the second damping screen 19 of covering second acoustic aperture.This first
Damping screen 18 can be arranged at the inwall of shell 100, on outer wall, or be embedded in shell 100, and the second damping screen 19 is similar
, the inner surface of circuit board 102, outer surface can be arranged on or be embedded in the circuit board 102.First damping screen 18
It is not limited with the size of the second damping screen 19, its need covers the first acoustic aperture 100a, the second acoustic aperture 102a.
The application can provide another microphone, and it may include containment vessel, mems chip, control circuit chip and control
Device.
Containment vessel can generally include shell and circuit board, and both are fixedly connected, and then form host cavity, and foregoing is micro-
Electromechanical chip and control circuit chip can be arranged in the host cavity, and mems chip and control circuit chip specifically may be used
To be electrically connected on circuit board.Opened up on the containment vessel formed in the first acoustic aperture and the second acoustic aperture, the first acoustic aperture the first entering tone lead to
The second entering tone passage is formed in road, the second acoustic aperture.First acoustic aperture is arranged on shell, and the second acoustic aperture is arranged on circuit board.
Controller is arranged on containment vessel, and the controller is used to control in the first entering tone passage and the second entering tone passage
The break-make of at least one.When the first entering tone passage is in the conduction state, external voice can be entered by the first entering tone passage
Enter the inside of containment vessel；When the first entering tone passage is in blocking state, external voice cannot be introduced into the first entering tone passage.Together
Reason ground, when the second entering tone passage is in the conduction state, external voice can enter containment vessel by the second entering tone passage
It is internal；When the second entering tone passage is in blocking state, external voice cannot be introduced into the second entering tone passage.
Specifically, controller can realize the break-make of the first entering tone passage, or/and second by adjusting the state of itself
The break-make of entering tone passage, so that microphone can switch to uni-directional microphone or omnidirectional microphone in different situations,
So that a microphone just can realize the function of two kinds of microphones in equipment, inner space and the manufacture of equipment are saved
Cost, such a microphone can improve the effect of tonequality according to different state free switching mode of operations.
Microphone can also include being arranged at the damper portion at the first acoustic aperture, and the damper portion can be produced to the first entering tone passage
Raw damping action, strengthens the sound performance at the first entering tone passage with this.Microphone can also include being arranged at the second acoustic aperture
Damper portion, the damper portion can to the second entering tone passage produce damping action, strengthen the sound at the second entering tone passage with this
Performance.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of microphone, including containment vessel and the control circuit chip that is contained in the containment vessel and the microcomputer provided with back of the body chamber
Electrical chip, the containment vessel includes circuit board and connect with the circuit board cover to open up on the shell to form host cavity, the shell
There is the first acoustic aperture connected with the host cavity, the mems chip is placed on the circuit board, is opened up on the circuit board
There is the second acoustic aperture connected with the back of the body chamber, it is characterised in that the microphone also includes being arranged at second acoustic aperture
Controller,
The controller has the first operating position and the second operating position, at first operating position, the rising tone
Hole connects the exterior space and the back of the body chamber of the containment vessel, at second operating position, and the controller barrier is described
The exterior space of containment vessel and the back of the body chamber.
2. microphone according to claim 1, it is characterised in that also include the first damping screen of covering first acoustic aperture
And/or the second damping screen of covering second acoustic aperture.
3. microphone according to claim 2, it is characterised in that second damping screen is embedded in the circuit board.
4. microphone according to claim 1, it is characterised in that the size of first acoustic aperture is less than second acoustic aperture
Size.
5. the microphone according to any one of claim 1-4, it is characterised in that the controller is arranged at the circuit
On the outer surface of plate.
6. the microphone according to any one of claim 1-4, it is characterised in that the controller is acoustic pressure controller.
7. microphone according to claim 2, it is characterised in that first damping screen is arranged at the inwall of the shell
On.
8. a kind of microphone, it is characterised in that including containment vessel and controller,
The containment vessel includes circuit board and connect with the circuit board cover to open up first on the shell to form host cavity, the shell
Offer and formed in the second acoustic aperture, first acoustic aperture in the first entering tone passage, second acoustic aperture on acoustic aperture, the circuit board
The second entering tone passage is formed,
The controller is arranged on the circuit board, and the controller is used for the break-make for controlling the second entering tone passage.
9. microphone according to claim 8, it is characterised in that the microphone also includes being arranged at second acoustic aperture
The damper portion at place, the damper portion can produce damping action to the second entering tone passage.
10. microphone according to claim 8, it is characterised in that the microphone also includes being arranged at first sound
Damper portion at hole, the damper portion can produce damping action to the first entering tone passage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352860.2U CN206602609U (en) | 2016-12-10 | 2016-12-10 | Microphone |
| US15/415,975 US20180167723A1 (en) | 2016-12-10 | 2017-01-26 | Microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352860.2U CN206602609U (en) | 2016-12-10 | 2016-12-10 | Microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602609U true CN206602609U (en) | 2017-10-31 |
Family
ID=60148963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621352860.2U Expired - Fee Related CN206602609U (en) | 2016-12-10 | 2016-12-10 | Microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602609U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109889967A (en) * | 2019-03-28 | 2019-06-14 | 百度在线网络技术（北京）有限公司 | Microphone and intelligent sound equipment |
| CN110475193A (en) * | 2019-09-05 | 2019-11-19 | 朝阳聚声泰（信丰）科技有限公司 | It is a kind of to be singly directed toward MEMS microphone and its production method |
| WO2020134449A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Microphone |
| CN112825532A (en) * | 2019-11-20 | 2021-05-21 | 华为技术有限公司 | Terminal device |
| US11057693B2 (en) | 2019-12-05 | 2021-07-06 | Aac Acoustic Technologies (Shenzhen) Co., Ltd. | Microphone |
| CN114125611A (en) * | 2020-08-28 | 2022-03-01 | 阿里巴巴集团控股有限公司 | Electronic equipment |
-
2016
- 2016-12-10 CN CN201621352860.2U patent/CN206602609U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134449A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Microphone |
| CN109889967A (en) * | 2019-03-28 | 2019-06-14 | 百度在线网络技术（北京）有限公司 | Microphone and intelligent sound equipment |
| CN110475193A (en) * | 2019-09-05 | 2019-11-19 | 朝阳聚声泰（信丰）科技有限公司 | It is a kind of to be singly directed toward MEMS microphone and its production method |
| CN112825532A (en) * | 2019-11-20 | 2021-05-21 | 华为技术有限公司 | Terminal device |
| CN112825532B (en) * | 2019-11-20 | 2022-06-07 | 华为技术有限公司 | Terminal device |
| US11057693B2 (en) | 2019-12-05 | 2021-07-06 | Aac Acoustic Technologies (Shenzhen) Co., Ltd. | Microphone |
| CN114125611A (en) * | 2020-08-28 | 2022-03-01 | 阿里巴巴集团控股有限公司 | Electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |