CN112235670A - Microphone assembly and electronic equipment - Google Patents
Microphone assembly and electronic equipment Download PDFInfo
- Publication number
- CN112235670A CN112235670A CN202010898712.5A CN202010898712A CN112235670A CN 112235670 A CN112235670 A CN 112235670A CN 202010898712 A CN202010898712 A CN 202010898712A CN 112235670 A CN112235670 A CN 112235670A
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- microphone
- circuit board
- shell
- key
- sealing member
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention relates to a microphone assembly and an electronic device. The circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece, and the shell is provided with at least one sound inlet through hole and at least one key mounting hole; the circuit board is equipped with the microphone that corresponds with the sound through-hole towards the surface of shell, and the microphone subassembly still includes: a sealing member positioned between the housing and the circuit board and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole. Make sealing connection between microphone and the shell through the sealing member, realized on the circuit board microphone and shell on set up advance sound through-hole between good sealed, avoid the sound that the button was pressed to reach microphone department back, to the influence that the microphone pickup effect caused.
Description
Technical Field
The present invention relates to the field of speaker devices, and in particular, to a microphone assembly and an electronic device.
Background
Along with people's requirement to microphone pickup effect is higher and higher, and the product that adopts the microphone array is more and more, will reach good pickup and echo cancellation effect, and the microphone array algorithm has two requirements to the structure: 1. the microphone has good sealing performance, namely sound can only enter from the sound pickup hole; 2. the microphone has good shock absorption, and echo cancellation during local playing is improved.
Typically, a silica gel sleeve is added above the microphone, so that the aim of sealing the microphone is fulfilled; and an independent damping pad is adopted, so that the PCBA of the microphone is not in direct contact with parts below the PCBA, and the aim of damping is fulfilled; however, when other functions of a product with a microphone array are used, the generated abnormal sound is easily transmitted to the inside of the microphone, and the sound reception of the microphone and the algorithm of the microphone array are affected, so that the sound collecting effect of the microphone array is poor.
Disclosure of Invention
Therefore, it is necessary to provide a microphone assembly and an electronic device, which are directed to the problem that when other functions of a product with a microphone array are used, generated abnormal sound is easily transmitted to the inside of the microphone, and the sound reception of the microphone and the algorithm of the microphone array are affected, so that the sound collecting effect of the microphone array is deteriorated.
A microphone assembly comprises a shell, a damping piece, a key and a circuit board, wherein the circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece; the circuit board face the surface of shell is equipped with advance the microphone that sound through-hole corresponds, the microphone subassembly still includes:
a sealing member positioned between the circuit boards of the housing and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole.
In one embodiment, the sealing element is made of an elastic material, and an isolation groove corresponding to the key is formed between the sealing element and the circuit board and changes along with the deformation of the sealing element.
In one embodiment, the microphone assembly further includes at least two elastic members, one end of each elastic member abuts against the housing, and the other end of each elastic member abuts against the damping member.
In one embodiment, the shock absorbing member is provided with a mounting groove for mounting the elastic member.
In one embodiment, the surface of the sealing element facing the circuit board is provided with at least one first protrusion, and the circuit board is provided with a first groove corresponding to the first protrusion.
In one embodiment, the first projection comprises an annular projection.
In one embodiment, a projection of the key on the seal surface is surrounded by the annular projection.
In one embodiment, the seal comprises a silicone seal.
In one embodiment, the resilient member comprises a spring.
The microphone assembly comprises a shell, a damping piece, a key and a circuit board, wherein the circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece, and the shell is provided with at least one sound inlet through hole and at least one key mounting hole; the circuit board face the surface of shell is equipped with advance the microphone that sound through-hole corresponds, the microphone subassembly still includes: a sealing member positioned between the case and the circuit board and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole. The microphone locates the circuit board in this application towards the surface of shell, and the sealing member is located between shell and the circuit board, and surrounds the microphone to be provided with on the sealing member and advance the opening of sound through-hole intercommunication, the button set up in the button mounting hole, and with the shell is close to the partial surface of button mounting hole reaches the sealing member is close to the partial surface laminating of button mounting hole makes sealing connection between microphone and the shell through the sealing member, has realized on the circuit board that the sound through-hole between the sound of advancing that sets up on microphone and the shell is well sealed, has realized simultaneously between button and the circuit board, the isolation between button and the microphone, avoids the sound that the button was pressed to reach microphone department after, the influence that causes the microphone pickup effect.
An electronic device, comprising the microphone assembly of any of the above.
The microphone assembly in the electronic equipment comprises a shell, a damping piece, a key and a circuit board, wherein the circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece; the circuit board face the surface of shell is equipped with advance the microphone that sound through-hole corresponds, the microphone subassembly still includes: a sealing member positioned between the case and the circuit board and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole. The microphone locates the circuit board towards the surface of shell in this application, and the sealing member is located between shell and the circuit board, and surrounds the microphone, is provided with on the sealing member and advances the opening of sound through-hole intercommunication, the button set up in the button mounting hole, and with the shell is close to the partial surface of button mounting hole reaches the sealing member is close to the partial surface laminating of button mounting hole makes sealing connection between microphone and the shell through the sealing member, has realized on the circuit board that the sound through-hole between the sound of advancing that sets up on microphone and the shell is well sealed, has realized simultaneously between button and the circuit board, the isolation between button and the microphone, avoids the sound that the button was pressed to reach microphone department after, the influence that causes the microphone pickup effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a cross-sectional view of a microphone assembly according to one embodiment;
FIG. 2 is a cross-sectional view of another embodiment of a microphone assembly;
description of reference numerals:
100-housing, 102-sound inlet through hole, 104-key mounting hole, 106-fixing groove, 200-shock absorbing piece, 202-mounting groove, 300-key, 400-circuit board, 402-microphone, 404-sealing structure, 500-sealing piece, 502-opening, 504-isolating groove and 600-elastic piece.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 shows a schematic cross-sectional view of a microphone assembly according to an embodiment of the present invention, in an embodiment of the present invention, a microphone assembly is provided, which includes a housing 100, a shock absorbing member 200, a key 300, and a circuit board 400, where the circuit board 400 is located between the housing 100 and the shock absorbing member 200 and is attached to at least a part of a surface of the shock absorbing member 200, and the housing 100 is provided with at least one sound inlet through hole 102 and at least one key mounting hole 104; the surface of the circuit board 400 facing the housing 100 is provided with a microphone 402 corresponding to the sound inlet through hole 102, and the microphone assembly further includes:
a sealing member 500, the sealing member 500 being located between the housing 100 and the circuit board 400 and surrounding the microphone 402, the sealing member 500 being provided with an opening 502 communicating with the sound inlet through-hole 102; the key 300 is disposed in the key mounting hole 104 and is attached to a portion of the surface of the housing 100 close to the sealing member 500 and a portion of the surface of the sealing member 500.
The microphone 402 is isolated from the casing 100 by the sealing member 500, and the microphone 402 is isolated from the key 300, and the key 300 and the microphone 402 are located on two sides of the sealing member 500, so that the microphone 402 is sealed, and the operation of the key 300 does not affect the sound pickup of the microphone 402 during the use of the key 300. Meanwhile, the sealing member 500 plays a certain role in shock absorption.
In one embodiment, the sealing member 500 is made of an elastic material, and an isolation groove 504 corresponding to the key 300 is formed between the sealing member 500 and the circuit board 400, wherein the isolation groove 504 changes with the deformation of the sealing member 500.
When the key 300 is pressed, the sealing member 500 between the key 300 and the circuit board 200 is deformed by a force, and approaches the circuit board 200 until contacting with the surface of the circuit board, so as to transmit the pressing action received by the key 300 to the circuit board, and further execute a function corresponding to the pressing action, that is, after a pressing module corresponding to the key on the circuit board receives a pressing signal, a microphone assembly executes the function corresponding to the pressing signal, and an isolation groove 504 formed between the sealing member 500 and the circuit board 400 is changed along with the deformation of the sealing member 500. The provision of the isolation groove 504 improves the tactile sensation when the key 300 is operated, and also makes it possible to sense whether or not the operation of the key 300 is completed.
In one embodiment, the microphone assembly further includes at least two elastic members 600, one end of each elastic member 600 abuts against the housing 100, and the other end of each elastic member 600 abuts against the shock absorbing member 200. The microphone assembly can be reduced in vibration by the deformation of the elastic member 600, and the distance between the housing 100 and the shock absorbing member 200 can be adjusted, so that the limitation of the distance between the housing 100 and the shock absorbing member 200 on the thickness of the circuit board 400 is eliminated, and the purpose of arranging circuit boards 400 with different thicknesses between the sealing member 500 and the shock absorbing member 200 is realized.
The elastic member 600 has a length greater than the distance between the housing 100 and the shock absorbing member 200, and is in a compressed state when the elastic member 600 is positioned between the housing 100 and the shock absorbing member 200. In practical applications, the elastic member 600 with different lengths may be selected according to the thickness of the circuit board 400, as long as the elastic member 600 located between the housing 100 and the shock absorbing member 200 is in a compressed state when the circuit board 400 in the microphone assembly has the maximum thickness.
In one embodiment, the shock absorbing member 200 is provided with a mounting groove 202, and the mounting groove 202 is used for mounting the elastic member 600. One end of the elastic member 600 abutted to the shock absorbing member 200 is located in the mounting groove 202, and the mounting position of the elastic member 600 can be set through the mounting groove 202, so that the deviation between the mounting position of the elastic member and the preset position is reduced.
In one embodiment, the housing 100 is provided with a fixing groove 106 corresponding to the mounting groove 202, one end of the elastic member 600 abutting against the housing 100 is located in the fixing groove 106, and the mounting groove 202 and the fixing groove 106 together form a placing cavity for the elastic member 600, so that the elastic member 600 is fixed in position in the microphone assembly.
As shown in fig. 2, in one embodiment, the surface of the sealing member 500 facing the circuit board 400 is provided with at least one first protrusion, the circuit board 400 is provided with first grooves corresponding to the first protrusions, and the first protrusions and the first grooves are in one-to-one correspondence to form a sealing structure 404. The sealing connection between the sealing member 500 and the circuit board 400 is realized by the arrangement of the first protrusion and the first groove, and the influence of the deformation of the circuit board on the sealing connection between the sealing member 500 and the circuit board 400 is eliminated.
In one embodiment, the first projection comprises an annular projection.
In one embodiment, the projection of the key 300 on the surface of the seal 500 is surrounded by the annular protrusion.
In one embodiment, the projection of the key 300 on the surface of the seal 500 coincides with the center of the annular protrusion.
In one embodiment, the projection of the microphone 402 on the surface of the seal 500 is surrounded by the annular protrusion.
In one embodiment, the sealing member 500 includes a silicone sealing member and a rubber sealing member.
In one embodiment, the first protrusion includes a strip-shaped protrusion, and the projections of the key 300 and the microphone 402 on the surface of the sealing member 500 are located on two sides of the strip-shaped protrusion respectively.
In one embodiment, the elastic member 600 comprises a spring.
The microphone assembly comprises a shell, a damping piece, a key and a circuit board, wherein the circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece, and the shell is provided with at least one sound inlet through hole and at least one key mounting hole; the circuit board face the surface of shell is equipped with advance the microphone that sound through-hole corresponds, the microphone subassembly still includes: a sealing member positioned between the case and the circuit board and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole. The microphone locates the circuit board surface towards the shell in this application, the sealing member is located between shell and the circuit board, and surround the microphone, and be provided with the opening with the sound through-hole intercommunication of advancing of microphone on the sealing member, the button sets up in the button mounting hole, and the partial surface that is close to the button mounting hole with the shell and the partial surface laminating of sealing member near the button mounting hole, make sealing connection between microphone and the shell through the sealing member, good sealing between the sound through-hole of advancing that has seted up on microphone and the shell on the circuit board has been realized, simultaneously between button and the circuit board, keep apart between button and the microphone, the sound of avoiding the button to press passes microphone department after, influence that the microphone pickup effect caused.
An electronic device, comprising the microphone assembly of any of the above.
The microphone assembly in the electronic equipment comprises a shell, a damping piece, a key and a circuit board, wherein the circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece; the circuit board face the surface of shell is equipped with advance the microphone that sound through-hole corresponds, the microphone subassembly still includes: a sealing member positioned between the case and the circuit board and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole. The microphone locates the circuit board towards the surface of shell in this application, and the sealing member is located between shell and the circuit board, and surrounds the microphone, is provided with on the sealing member and advances the opening of sound through-hole intercommunication, the button set up in the button mounting hole, and with the shell is close to the partial surface of button mounting hole reaches the sealing member is close to the partial surface laminating of button mounting hole makes sealing connection between microphone and the shell through the sealing member, has realized on the circuit board that the sound through-hole between the sound of advancing that sets up on microphone and the shell is well sealed, has realized simultaneously between button and the circuit board, the isolation between button and the microphone, avoids the sound that the button was pressed to reach microphone department after, the influence that causes the microphone pickup effect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A microphone assembly comprises a shell, a damping piece, a key and a circuit board, wherein the circuit board is positioned between the shell and the damping piece and is attached to at least part of the surface of the damping piece; the circuit board face the surface of shell is equipped with advance the microphone that sound through-hole corresponds, its characterized in that, the microphone subassembly still includes:
a sealing member positioned between the case and the circuit board and surrounding the microphone, the sealing member being provided with an opening communicating with the sound inlet through hole; the key is arranged in the key mounting hole and is attached to the partial surface of the shell close to the key mounting hole and the partial surface of the sealing element close to the key mounting hole.
2. The microphone assembly as claimed in claim 1, wherein the sealing member is made of an elastic material, and an isolation groove corresponding to the key is formed between the sealing member and the circuit board, and the isolation groove varies with deformation of the sealing member.
3. The microphone assembly of claim 1, further comprising no less than two elastic members, one end of the elastic members abutting the housing and the other end of the elastic members abutting the damper.
4. The microphone assembly as defined by claim 3 wherein the shock absorbing member is provided with a mounting groove for mounting the elastic member.
5. The microphone assembly of claim 1, wherein a surface of the sealing member facing the circuit board is provided with not less than one first protrusion, and the circuit board is provided with a first groove corresponding to the first protrusion.
6. The microphone assembly of claim 5, wherein the first protrusion comprises an annular protrusion.
7. The microphone array of claim 5, wherein a projection of the key on the seal surface is surrounded by the annular protrusion.
8. The microphone assembly of claim 1 wherein the seal comprises a silicone seal.
9. The microphone assembly of claim 3, wherein the resilient member comprises a spring.
10. An electronic device, comprising a microphone assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898712.5A CN112235670B (en) | 2020-08-31 | 2020-08-31 | Microphone assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898712.5A CN112235670B (en) | 2020-08-31 | 2020-08-31 | Microphone assembly and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112235670A true CN112235670A (en) | 2021-01-15 |
| CN112235670B CN112235670B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010898712.5A Active CN112235670B (en) | 2020-08-31 | 2020-08-31 | Microphone assembly and electronic equipment |
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| CN (1) | CN112235670B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114125673A (en) * | 2021-11-26 | 2022-03-01 | 青岛海尔科技有限公司 | Microphone subassembly and have its electrical equipment |
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| US20180249261A1 (en) * | 2017-02-27 | 2018-08-30 | Oticon A/S | Hearing device with a microphone structure |
| CN109168105A (en) * | 2018-08-17 | 2019-01-08 | 广州视源电子科技股份有限公司 | Interactive intelligent tablet computer and microphone mounting structure |
| CN209402681U (en) * | 2019-02-27 | 2019-09-17 | 百度在线网络技术（北京）有限公司 | A kind of pick up facility |
| CN209435386U (en) * | 2019-02-27 | 2019-09-24 | 百度在线网络技术（北京）有限公司 | Audio frequency apparatus |
| CN209787372U (en) * | 2019-05-31 | 2019-12-13 | 深圳宽洋网络发展有限公司 | Microphone module and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180249261A1 (en) * | 2017-02-27 | 2018-08-30 | Oticon A/S | Hearing device with a microphone structure |
| CN207766453U (en) * | 2017-12-22 | 2018-08-24 | 西安Tcl软件开发有限公司 | Microphone assembly and electronic equipment |
| CN109168105A (en) * | 2018-08-17 | 2019-01-08 | 广州视源电子科技股份有限公司 | Interactive intelligent tablet computer and microphone mounting structure |
| CN209402681U (en) * | 2019-02-27 | 2019-09-17 | 百度在线网络技术（北京）有限公司 | A kind of pick up facility |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114125673A (en) * | 2021-11-26 | 2022-03-01 | 青岛海尔科技有限公司 | Microphone subassembly and have its electrical equipment |
| CN114125673B (en) * | 2021-11-26 | 2023-10-24 | 青岛海尔科技有限公司 | Microphone assembly and electrical equipment with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112235670B (en) | 2023-09-12 |
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