CN207443125U - Electret Condencer Microphone and electronic device - Google Patents
Electret Condencer Microphone and electronic device Download PDFInfo
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- CN207443125U CN207443125U CN201721263138.6U CN201721263138U CN207443125U CN 207443125 U CN207443125 U CN 207443125U CN 201721263138 U CN201721263138 U CN 201721263138U CN 207443125 U CN207443125 U CN 207443125U
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- vibrating diaphragm
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- pole plate
- back pole
- electret condencer
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Abstract
The utility model provides a kind of Electret Condencer Microphone, including substrate, the back pole plate and vibrating diaphragm that are arranged in substrate；Back pole plate is arranged on the upside and/or downside of vibrating diaphragm；Also, prominent layer or line membrane structure layer are provided on vibrating diaphragm.The area of vibrating diaphragm and the side capacitive of Electret Condencer Microphone can be increased using above-mentioned utility model, achieve the effect that improve Electret Condencer Microphone sensitivity.
Description
Technical field
The utility model is related to technical field of acoustics, more specifically, are related to a kind of Electret Condencer Microphone and electronic device.
Background technology
With the development of social progress and technology, in recent years, the electronic products volume such as mobile phone, laptop constantly subtracts
Small, people are also higher and higher to the performance requirement of these portable electronic products, so as to also require matched electronic component
Volume constantly reduces, performance and uniformity are continuously improved.Electret Condencer Microphone starts by batch application to mobile phone, laptop
It waits in electronic products, encapsulation volume is smaller than traditional electret microphone, therefore is subject to the green grass or young crops of most of microphone manufacturer
It looks at.
Wherein, Electret Condencer Microphone is mainly using the capacitor charge and discharge principle between conductor, senses sound press by vibrating diaphragm, will
Electrostatic pressure variation between conductor is directly changed into electric energy signal, the level of sensitivity of Electret Condencer Microphone mainly with capacitance size
And the corresponding electric capacitance change amount that capacitance personal comments answer sound pressure variations to generate is related, the vibrating diaphragm area of Electret Condencer Microphone at present
It is limited, cause side capacitive insufficient, influence the promotion of product sensitivity.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of Electret Condencer Microphone and electronic device, to solve
Product sensitivity enhancement is limited caused by capacitor type mic structure at present, influences properties of product problem.
Electret Condencer Microphone provided by the utility model, including substrate, the back pole plate and vibrating diaphragm that are arranged in substrate；The back of the body
Pole plate is arranged on the upside and/or downside of vibrating diaphragm；Also, prominent layer or line membrane structure layer are provided on vibrating diaphragm.
Furthermore it is preferred that structure be, when being provided with prominent layer on vibrating diaphragm, back pole plate is arranged on substrate by supporting layer
On, vibrating diaphragm is arranged on one side of the back pole plate away from substrate by insulating layer；Wherein, it is provided with to back pole plate one side and hangs down on vibrating diaphragm
The protrusion layer directly extended.
Furthermore it is preferred that structure be, when being provided with prominent layer on vibrating diaphragm, vibrating diaphragm is arranged on substrate by supporting layer
On, back pole plate is arranged on one side of the vibrating diaphragm away from substrate by insulating layer；It is provided on vibrating diaphragm to back pole plate one side and vertically prolonged
The protrusion layer stretched.
Furthermore it is preferred that structure be, when being provided with line membrane structure layer on vibrating diaphragm, back pole plate is arranged on by supporting layer
In substrate, vibrating diaphragm is arranged on one side of the back pole plate away from substrate by insulating layer；It is provided on vibrating diaphragm and backplane harden structure phase
It is adapted to the line membrane structure layer of simultaneously concave-convex surface distribution.
Furthermore it is preferred that structure be, when being provided with line membrane structure layer on vibrating diaphragm, vibrating diaphragm is arranged on base by supporting layer
On bottom, back pole plate is arranged on one side of the vibrating diaphragm away from substrate by insulating layer；It is provided on vibrating diaphragm and is mutually fitted with backplane harden structure
Line membrane structure layer with simultaneously concave-convex surface distribution.
Furthermore it is preferred that structure be, when being provided with prominent layer on vibrating diaphragm, back pole plate is arranged on the both sides of vibrating diaphragm；And
And it is respectively arranged in the both sides of vibrating diaphragm to the vertically extending prominent layer of the back pole plate of respective side.
Furthermore it is preferred that structure be, when being provided with line membrane structure layer on vibrating diaphragm, back pole plate is arranged on the two of vibrating diaphragm
Side；Also, the line membrane structure layer that simultaneously concave-convex surface distribution is homogeneously adapted to both sides backplane harden structure is provided on vibrating diaphragm.
Furthermore it is preferred that structure be that prominent layer or line membrane structure layer are an integral molding structure with vibrating diaphragm.
Furthermore it is preferred that structure be to further include electrode；Electrode is used to connect internal circuit and the outside of Electret Condencer Microphone
Circuit.
Another aspect according to the present utility model provides a kind of electronic device, including above-mentioned Electret Condencer Microphone.
Using above-mentioned Electret Condencer Microphone and electronic device, back pole plate is arranged on the upside and/or downside of vibrating diaphragm；Also,
Prominent layer is provided on vibrating diaphragm, and either line membrane structure layer increases product side capacitive by prominent layer or line membrane structure layer
Value, to improve the sensitivity of product.
In order to realize above-mentioned and related purpose, the one or more aspects of the utility model include will be explained in below
Feature.Some illustrative aspects of the utility model are described in detail in following explanation and attached drawing.However, these aspects refer to
Some modes in the various modes of the principle of the only usable the utility model shown.In addition, the utility model is intended to wrap
Include all these aspects and their equivalent.
Description of the drawings
By reference to the explanation below in conjunction with attached drawing, and with the utility model is more fully understood, this practicality is new
The other purposes and result of type will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the capacitor type mic structure schematic diagram according to the utility model embodiment one；
Fig. 2 is the capacitor type mic structure schematic diagram according to the utility model embodiment two；
Fig. 3 is the capacitor type mic structure schematic diagram according to the utility model embodiment three；
Fig. 4 is the capacitor type mic structure schematic diagram according to the utility model embodiment four；
Fig. 5 is the capacitor type mic structure schematic diagram according to the utility model embodiment five；
Fig. 6 is the capacitor type mic structure schematic diagram according to the utility model embodiment six.
Reference numeral therein includes：Substrate 1, supporting layer 2, back pole plate 3, electrode 4, vibrating diaphragm 5, prominent layer 51, line film knot
Structure layer 52 goes out acoustic aperture 6, insulating layer 7.
Identical label indicates similar or corresponding feature or function in all of the figs.
Specific embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.
In other examples, one or more embodiments for ease of description, well known structure and equipment are shown in block form an.
In the description of the utility model, it is to be understood that the instructions such as term " on ", " under ", " level ", " vertical "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification
Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that limitation to the utility model.
To improve the sensitivity of existing Electret Condencer Microphone, back pole plate is arranged on by the Electret Condencer Microphone of the utility model
The upside and/or downside of vibrating diaphragm；Also, prominent layer is provided on vibrating diaphragm, and either line membrane structure layer passes through prominent layer or line
Membrane structure layer is to increase the side capacitive of product, to improve the sensitivity of product and acoustical behavior.
It is new to this practicality below with reference to attached drawing for the capacitor type mic structure of the utility model embodiment is described in detail
The specific embodiment of type is described in detail.
Fig. 1 shows the capacitor type mic structure according to the utility model embodiment one.
As shown in Figure 1, the Electret Condencer Microphone of the utility model embodiment one, is set including substrate 1, by supporting layer 2
Back pole plate 3 on the base 1 and vibrating diaphragm 5 of the back pole plate 3 away from 1 one side of substrate (downward) is arranged on by insulating layer 7；Its
In, it is provided on vibrating diaphragm 5 to several vertically extending prominent layers 51 of 3 one side of back pole plate, prominent layer 51 is uniform in vertical shape
Distribution, and extend in the hole of back pole plate 3.Increase the entire area of vibrating diaphragm 5 by prominent layer 51, reach increase condenser type wheat
Gram wind side capacitive (capacitance between vibrating diaphragm and back pole plate) and the purpose of product sensitivity.
In addition, be additionally provided on vibrating diaphragm 5 with extraneous conducting it is at least one go out acoustic aperture 6, go out acoustic aperture 6 and be arranged on vibrating diaphragm 5
It is not provided with the position of prominent layer 51.
Fig. 2 shows the capacitor type mic structure according to the utility model embodiment two.
As shown in Fig. 2, the Electret Condencer Microphone of the utility model embodiment two, is set including substrate 1, by supporting layer 2
Vibrating diaphragm 5 on the base 1 and back pole plate 3 of the vibrating diaphragm 5 away from 1 one side of substrate is arranged on by insulating layer 7；Wherein, in vibrating diaphragm 5
On be provided with to several vertically extending prominent layers 51 of 3 one side of back pole plate (upward), prominent layer 51 is uniformly distributed in vertical shape,
And extend in the hole of back pole plate 3, increase the entire area of vibrating diaphragm 5 by prominent layer 51, be finally reached increase side capacitive
And the purpose of product sensitivity.
Fig. 3 shows the structure of the Electret Condencer Microphone according to the utility model embodiment three.
As shown in figure 3, the Electret Condencer Microphone of the utility model embodiment three, is arranged on including substrate 1, by support plate
Back pole plate 3 in substrate 1 and vibrating diaphragm 5 of the back pole plate 3 away from 1 one side of substrate is arranged on by insulating layer 7；Wherein, in vibrating diaphragm
The line membrane structure layer 52 that simultaneously concave-convex surface distribution is adapted with 3 structure of back pole plate is provided on 5, which is mainly
Refer to the overall structure concave-convex surface distribution of vibrating diaphragm 5, in other words, to increase the area of vibrating diaphragm 5, vibrating diaphragm 5 is arranged to cooperation backplane
The concavo-convex line membrane structure of the pore structure of plate 3.
Wherein, be additionally provided on vibrating diaphragm 5 with extraneous conducting it is at least one go out acoustic aperture 6, go out acoustic aperture 6 and be arranged on vibrating diaphragm 5
Raised position away from 3 side of back pole plate.
Fig. 4 shows the structure of the Electret Condencer Microphone according to the utility model embodiment four.
As shown in figure 4, the Electret Condencer Microphone of the utility model embodiment four, is arranged on including substrate 1, by support plate
Vibrating diaphragm 5 in substrate 1 and back pole plate 3 of the vibrating diaphragm 5 away from 1 one side of substrate is arranged on by insulating layer 7；Wherein, in vibrating diaphragm 5
On be provided with and be adapted with 3 structure of back pole plate and the line membrane structure layer 52 of concave-convex surface distribution, which is mainly
The overall structure concave-convex surface for referring to vibrating diaphragm 5 is distributed, and the diaphragm structure in the embodiment and the diaphragm structure in embodiment three are similar
Seemingly, only exist installation position (relative position between back pole plate) and go out the difference of acoustic aperture setting.
Fig. 5 shows the capacitor type mic structure according to the utility model embodiment five.
As shown in figure 5, the Electret Condencer Microphone of the utility model embodiment five, including vibrating diaphragm 5 and is arranged on 5 liang of vibrating diaphragm
Two back pole plates 3 of side (including upper back pole plate and lower back pole plate)；Wherein, lower back pole plate is arranged on substrate 1 by supporting layer 2
On, vibrating diaphragm 5 is arranged on one side of the lower back pole plate away from substrate 1, and back pole plate is additionally provided in one side of the vibrating diaphragm 5 away from substrate 1,
Vibrating diaphragm 5 is between upper back pole plate and lower back pole plate.
Specifically, it is respectively arranged in the both sides up and down of vibrating diaphragm 5 vertically extending several prominent to the back pole plate 3 of respective side
Layer 51, prominent layer 51 is uniformly distributed in vertical shape, and is extended in the hole of back pole plate 3 of respective side；Also, positioned at vibrating diaphragm 5
The protrusion layer of upside and the state that is also evenly distributed between the protrusion layer of 5 downside of vibrating diaphragm, i.e., it is in the horizontal direction, adjacent prominent
Go out the interval all same between layer 51.
Fig. 6 shows the capacitor type mic structure according to the utility model embodiment six.
As shown in fig. 6, the Electret Condencer Microphone of the utility model embodiment six includes vibrating diaphragm 5 and is arranged on 5 liang of vibrating diaphragm
Two back pole plates 3 of side (including upper back pole plate and lower back pole plate)；Wherein, lower back pole plate is arranged on substrate 1 by supporting layer 2
On, vibrating diaphragm 5 is arranged on one side of the lower back pole plate away from substrate 1, and back pole plate is additionally provided in one side of the vibrating diaphragm 5 away from substrate 1,
Vibrating diaphragm 5 is between upper back pole plate and lower back pole plate.
Specifically, the spaced distribution of hole of upper back pole plate and lower back pole plate, is provided with and both sides backplane on vibrating diaphragm 5
3 structure of plate is adapted and the line membrane structure layer 52 of concave-convex surface distribution, the line membrane structure layer 52 are primarily referred to as the entirety of vibrating diaphragm 5
Structure concave-convex surface is distributed, and so as to form the diaphragm structure of protrusion in the hole of back pole plate 3, reaches increase side capacitive and production
The purpose of product sensitivity.
It should be noted that the protrusion layer 51 or line membrane structure layer 52 of the utility model embodiment are the one of vibrating diaphragm 5
Kind structure type, prominent layer 51 or line membrane structure layer 52 are an integral molding structure with the setting of vibrating diaphragm 5, and vibrating diaphragm 5 is non-in other words
Horizontality is distributed, be distributed in regular concavo-convex shape or set on the basis of existing level vibrating diaphragm 5 to 5 one side of vibrating diaphragm and/or
The protrusion structure that both sides are extended vertically increases the entire area of vibrating diaphragm 5 by prominent layer 51 and line membrane structure layer 52, to increase
The side capacitive of Electret Condencer Microphone improves product sensitivity.
In a specific embodiment of the utility model, Electret Condencer Microphone further includes electrode 4, and two electrodes 4 divide
The both sides of vibrating diaphragm 5 are not arranged on, for connecting the internal circuit of Electret Condencer Microphone and external circuit.
Corresponding with above-mentioned Electret Condencer Microphone, the utility model also provides a kind of electronic device, including housing and
It is housed in the in vivo above-mentioned Electret Condencer Microphone of shell.
Electret Condencer Microphone and electronic device according to the present utility model are described in an illustrative manner above with reference to attached drawing.But
It is, it will be appreciated by those skilled in the art that for Electret Condencer Microphone and electronic device that above-mentioned the utility model is proposed, to go back
Various improvement can be made on the basis of the utility model content is not departed from.Therefore, the scope of protection of the utility model should
It is determined by the content of appended claims.
Claims (10)
1. a kind of Electret Condencer Microphone, including substrate, the back pole plate and vibrating diaphragm of setting on the substrate；It is characterized in that,
The back pole plate is arranged on the upside and/or downside of the vibrating diaphragm；Also,
Prominent layer or line membrane structure layer are provided on the vibrating diaphragm.
2. Electret Condencer Microphone as described in claim 1, which is characterized in that when being provided with prominent layer on the vibrating diaphragm,
The back pole plate is set on the substrate by supporting layer, and it is remote that the vibrating diaphragm by insulating layer is arranged on the back pole plate
One side from the substrate；
The vertically extending prominent layer in the oriented back pole plate one side is set on the vibrating diaphragm.
3. Electret Condencer Microphone as described in claim 1, which is characterized in that when being provided with prominent layer on the vibrating diaphragm,
The vibrating diaphragm is set on the substrate by supporting layer, and it is separate that the back pole plate by insulating layer is arranged on the vibrating diaphragm
The one side of the substrate；
The vertically extending prominent layer in the oriented back pole plate one side is set on the vibrating diaphragm.
4. Electret Condencer Microphone as described in claim 1, which is characterized in that when being provided with line membrane structure layer on the vibrating diaphragm
When,
The back pole plate is set on the substrate by supporting layer, and it is remote that the vibrating diaphragm by insulating layer is arranged on the back pole plate
One side from the substrate；
The line membrane structure layer that simultaneously concave-convex surface distribution is adapted with the backplane harden structure is provided on the vibrating diaphragm.
5. Electret Condencer Microphone as described in claim 1, which is characterized in that when being provided with line membrane structure layer on the vibrating diaphragm
When,
The vibrating diaphragm is set on the substrate by supporting layer, and it is separate that the back pole plate by insulating layer is arranged on the vibrating diaphragm
The one side of the substrate；
The line membrane structure layer that simultaneously concave-convex surface distribution is adapted with the backplane harden structure is provided on the vibrating diaphragm.
6. Electret Condencer Microphone as described in claim 1, which is characterized in that when being provided with prominent layer on the vibrating diaphragm,
The back pole plate is arranged on the both sides of the vibrating diaphragm；Also,
It is respectively arranged in the both sides of the vibrating diaphragm to the vertically extending prominent layer of the back pole plate of respective side.
7. Electret Condencer Microphone as described in claim 1, which is characterized in that when being provided with line membrane structure layer on the vibrating diaphragm
When,
The back pole plate is arranged on the both sides of the vibrating diaphragm；Also,
The line membrane structure layer that simultaneously concave-convex surface distribution is homogeneously adapted to both sides backplane harden structure is provided on the vibrating diaphragm.
8. Electret Condencer Microphone as described in claim 1, which is characterized in that
The protrusion layer or line membrane structure layer are an integral molding structure with the vibrating diaphragm.
9. Electret Condencer Microphone as described in claim 1, which is characterized in that further include electrode；
The electrode is used to connect the internal circuit and external circuit of the Electret Condencer Microphone.
10. a kind of electronic device, which is characterized in that including Electret Condencer Microphone as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263138.6U CN207443125U (en) | 2017-09-28 | 2017-09-28 | Electret Condencer Microphone and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263138.6U CN207443125U (en) | 2017-09-28 | 2017-09-28 | Electret Condencer Microphone and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207443125U true CN207443125U (en) | 2018-06-01 |
Family
ID=62295463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721263138.6U Active CN207443125U (en) | 2017-09-28 | 2017-09-28 | Electret Condencer Microphone and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207443125U (en) |
-
2017
- 2017-09-28 CN CN201721263138.6U patent/CN207443125U/en active Active
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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: 20200612 Address after: 261031 building 10, Geer phase II Industrial Park, No. 102, Ronghua Road, Ronghua community, Xincheng street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang goer Microelectronics Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |