CN207706372U - A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber - Google Patents

A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber Download PDF

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Publication number
CN207706372U
CN207706372U CN201721692528.5U CN201721692528U CN207706372U CN 207706372 U CN207706372 U CN 207706372U CN 201721692528 U CN201721692528 U CN 201721692528U CN 207706372 U CN207706372 U CN 207706372U
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China
Prior art keywords
laminate
body chamber
microphone structure
support element
groove
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Application number
CN201721692528.5U
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Chinese (zh)
Inventor
叶菁华
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Yutaixin Microelectronics Technology Shanghai Co Ltd
Zilltek Technology Corp
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Yutaixin Microelectronics Technology Shanghai Co Ltd
Zilltek Technology Corp
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Priority to CN201721692528.5U priority Critical patent/CN207706372U/en
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Abstract

The utility model is related to field of micro electromechanical technology more particularly to it is a kind of the back of the body chamber enhancing microphone structure and electronic equipment, including:First laminate, is arranged a groove on the first laminate, and an Acoustic sensor is installed in the top of groove by a support element, and Acoustic sensor is equipped with back of the body chamber, and back of the body chamber is towards support element, and setting one is for the through-hole through back of the body chamber and groove on support element;Second laminate is covered on the upper surface of first laminate, and an acoustics through-hole is arranged on the second laminate;First laminate and the second laminate constitute a microphone acoustic cavity.The technical solution of the utility model advantageous effect is:A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber are provided, at low cost, manufacture craft is simple, effectively expands the volume of back of the body chamber, improves the sensitivity inside microphone structure, enhances the acoustical behavior of microphone structure so that the sound quality that electronic product receives is more preferable.

Description

A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber
Technical field
The utility model is related to the microphone structures and electronics of field of micro electromechanical technology more particularly to a kind of back of the body chamber enhancing to set It is standby.
Background technology
With the development of Technology of Mobile Multimedia, electronic product is constantly to miniaturization, integrated trend development.In electroacoustic In the electronic product in field, microphone is converted to electric signal for acoustical signal.In recent years, microphone structure is commonly utilized in hand On the electronic equipments such as machine, earphone, laptop, video camera.
When electronic device works, generally fall into a complicated electric field environment, often by extraneous electrical interference Problem is further decreased in microphone structure, inside be formed by the back of the body cavity space it is also very small, in a limited space so that Sensitivity inside microphone structure declines, so that the sound quality that electronic product receives declines, and in manufacturing process It is more troublesome, cost is bigger, therefore the acoustical behavior for improving microphone structure has become the hot spot studied now.
Invention content
For the above-mentioned problems in the prior art, a kind of acoustical behavior for being intended to improve microphone structure is now provided Carry on the back the microphone structure and electronic equipment of chamber enhancing.
Specific technical solution is as follows:
A kind of microphone structure of back of the body chamber enhancing, including:
First laminate, a groove is arranged on first laminate, and the top of the groove passes through a support element and installs a sound Sensor is learned, the Acoustic sensor is equipped with back of the body chamber, and back of the body chamber is towards the support element, and setting one is for running through on the support element The through-hole of the back of the body chamber and groove;
Second laminate is covered on the upper surface of described first laminate, an acoustics through-hole is arranged on second laminate;
First laminate constitutes a microphone acoustic cavity with second laminate.
Preferably, multiple through-holes can be set on the support element.
Preferably, first laminate is also connected with a circuit chip.
Preferably, first laminate is a printed circuit board, and pad is arranged in the bottom of the printed circuit board.
Preferably, the Acoustic sensor is connect with the circuit chip lead.
Preferably, the groove is obtained by etching technics.
Preferably, the support element is a sheet metal.
A kind of electronic equipment, including the microphone structure of back of the body chamber enhancing described above.
The technical solution of the utility model advantageous effect is:Disclose it is a kind of the back of the body chamber enhancing microphone structure and electronics set Standby, at low cost, manufacture craft is simple, effectively expands the volume of back of the body chamber, improves the sensitivity inside microphone structure, enhances Mike The acoustical behavior of wind structure so that the sound quality that electronic product receives is more preferable.
Description of the drawings
With reference to appended attached drawing, more fully to describe the embodiments of the present invention.However, appended attached drawing is only used for Bright and elaboration, does not constitute the limitation to the scope of the utility model.
Fig. 1 is the overall structure figure for the microphone structure that the utility model carries on the back chamber enhancing;
Fig. 2 is the front view of the microphone structure about back of the body chamber enhancing in the implementation of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model It limits.
The utility model includes a kind of microphone structure of back of the body chamber enhancing, including:
First laminate 1, a groove 10 is arranged on the first laminate 1, and the top of groove 10 passes through a support element 11 and installs a sound Sensor 12 is learned, Acoustic sensor 12 is equipped with back of the body chamber 120, and back of the body chamber 120 is towards support element 11, and setting one is for passing through on support element 11 Wear the through-hole 110 of back of the body chamber 120 and groove 10;
Second laminate 2 is covered on the upper surface of first laminate 1, an acoustics through-hole 20 is arranged on the second laminate 2;
First laminate 1 and the second laminate 2 constitute a microphone acoustic cavity 3.
The microphone structure and electronic equipment enhanced by above-mentioned back of the body chamber, as shown in Figure 1, first, Acoustic sensor 10 is used In acoustic signals are converted to voltage signal, the voltage signal of output is carried out signal processing by circuit chip 11, and carries out mould Number conversion, finally obtains digital signal;
Further, a groove 10 is set on the first laminate 1, groove 10 is etched by etching technics, acoustics sensing Device 12 is equipped with back of the body chamber 120, and by through-hole 110 through back of the body chamber 120 and groove 10, at low cost, manufacture craft is simple, effectively expands the back of the body The volume of chamber 120 improves the sensitivity inside microphone structure, enhances the acoustical behavior of microphone structure, furthermore, the first laminate 1 and second laminate 2 constitute a microphone acoustic cavity 3, acoustics through-hole 20 is so that the inside of microphone acoustic cavity 3 joins with extraneous It is logical, voice signal is finally sent to the external world so that the sound quality that electronic product receives is more preferable.
In a kind of preferably embodiment, multiple through-holes 110 can be set on support element 11.
Specifically, in the present embodiment, as shown in Fig. 2, a groove 10 is arranged on the first laminate 1, the top of groove 10 passes through One support element 11 installs an Acoustic sensor 12, and Acoustic sensor 12 is equipped with back of the body chamber 120, and back of the body chamber 120 is supported towards support element 11 Setting one is for the through-hole 110 through back of the body chamber 120 and groove 10 on part 11, by the way that groove 10 is arranged so that the volume of back of the body chamber 120 It is expanded, improves microphone acoustic performance so that the sound that the external world receives is undistorted, is occupied not changing microphone structure On the basis of space, improve acoustical behavior.
A kind of preferred embodiment, the opening of groove 10 is more than the area occupied of Acoustic sensor 12, in the upper of groove 10 Side's setting support element 11, increases the back of the body 120 volume of chamber to the greatest extent.
In a kind of preferably embodiment, the first laminate 1 is also connected with a circuit chip 13.
In a kind of preferably embodiment, the first laminate 1 is a printed circuit board, the bottom setting weldering of printed circuit board Disk.
In a kind of preferably embodiment, Acoustic sensor 12 is connect with 13 lead of circuit chip.
In a kind of preferably embodiment, groove 10 is obtained by etching technics.It is processed using microelectric technique, consistency It is good.
In a kind of preferably embodiment, support element 11 is a sheet metal.Support element 11 is by bonding or passing through semiconductor Process deposits select sheet metal to have better support performance on groove.
A kind of electronic equipment, including the microphone structure of above-mentioned back of the body chamber enhancing.
Specifically, the microphone structure of back of the body chamber enhancing is applied in this implementation, in electronic equipment, is arranged one on the first laminate 1 Groove 10 penetrates through groove 10 and back of the body chamber 120 by through-hole 110, and at low cost, manufacture craft is simple, effectively expands the body of back of the body chamber 120 Product improves the sensitivity inside microphone structure, enhances the acoustical behavior of microphone structure, furthermore, made by acoustics through-hole 20 Obtain the inside of microphone acoustic cavity 3 improves acoustics with extraneous unicom on the basis of not changing microphone occupied space Energy;
Further, improve the acoustical behavior of the microphone structure of back of the body chamber enhancing so that electronic equipment is in complicated electric field In application, effectively reducing the possibility of extraneous electrical interference in environment so that the sound quality that electronic product receives is more preferable.
It should be noted that electronic equipment is not limited to mobile or non-moving type electronic equipment, it is no longer superfluous herein It states.
The technical solution of the utility model advantageous effect is:Disclose it is a kind of the back of the body chamber enhancing microphone structure and electronics set Standby, at low cost, manufacture craft is simple, effectively expands the volume of back of the body chamber, improves the sensitivity inside microphone structure, enhances Mike The acoustical behavior of wind structure so that the sound quality that electronic product receives is more preferable.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the utility model embodiment and Protection domain should can appreciate that all in the utility model specification and diagram to those skilled in the art Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in In enclosing.

Claims (8)

1. a kind of microphone structure of back of the body chamber enhancing, which is characterized in that including:
First laminate, a groove is arranged on first laminate, and the top of the groove passes through a support element and installs an acoustics sense Device is surveyed, the Acoustic sensor is equipped with back of the body chamber, and back of the body chamber is towards the support element, and setting one is for through described on the support element Carry on the back the through-hole of chamber and groove;
Second laminate is covered on the upper surface of described first laminate, an acoustics through-hole is arranged on second laminate;
First laminate constitutes a microphone acoustic cavity with second laminate.
2. the microphone structure of back of the body chamber enhancing according to claim 1, which is characterized in that can be arranged on the support element more A through-hole.
3. the microphone structure of back of the body chamber enhancing according to claim 1, which is characterized in that first laminate is also connected with one Circuit chip.
4. the microphone structure of back of the body chamber enhancing according to claim 1, which is characterized in that first laminate is a printing Pad is arranged in the bottom of circuit board, the printed circuit board.
5. it is according to claim 3 the back of the body chamber enhancing microphone structure, which is characterized in that the Acoustic sensor with it is described Circuit chip lead connects.
6. the microphone structure of back of the body chamber enhancing according to claim 1, which is characterized in that the groove passes through etching technics It obtains.
7. the microphone structure of back of the body chamber enhancing according to claim 2, which is characterized in that the support element is a metal Piece.
8. a kind of electronic equipment, which is characterized in that include the Mike of the back of the body chamber enhancing described in the claims 1-7 any one Wind structure.
CN201721692528.5U 2017-12-07 2017-12-07 A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber Active CN207706372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721692528.5U CN207706372U (en) 2017-12-07 2017-12-07 A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721692528.5U CN207706372U (en) 2017-12-07 2017-12-07 A kind of microphone structure and electronic equipment of the enhancing of back of the body chamber

Publications (1)

Publication Number Publication Date
CN207706372U true CN207706372U (en) 2018-08-07

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108055604A (en) * 2017-12-07 2018-05-18 钰太芯微电子科技(上海)有限公司 A kind of microphone structure and electronic equipment for carrying on the back chamber enhancing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108055604A (en) * 2017-12-07 2018-05-18 钰太芯微电子科技(上海)有限公司 A kind of microphone structure and electronic equipment for carrying on the back chamber enhancing

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