CN207968902U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN207968902U CN207968902U CN201820014942.9U CN201820014942U CN207968902U CN 207968902 U CN207968902 U CN 207968902U CN 201820014942 U CN201820014942 U CN 201820014942U CN 207968902 U CN207968902 U CN 207968902U
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- China
- Prior art keywords
- frame
- sound film
- protecgulum
- microphone device
- turn
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- 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.)
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of microphone device, it includes magnetic circuit system, vibrational system, accommodate the auxiliary system of magnetic circuit system and vibrational system, vibrational system includes sound film, auxiliary system includes mutually covering the protecgulum connect and frame, sound film is between protecgulum and frame, sound film includes the turn-up portion extended with the fixed engaging portion of frame and self-bonding portion, protecgulum includes first part and second part, first part's lid is connected to side of the second part far from frame, second part is integrally formed with sound film, the engaging portion of sound film is crimped between the second part of protecgulum and frame, the turn-up portion of sound film extends to the direction bending far from frame and fits in the outside of second part.The microphone device of the utility model ensure that the bond strength of sound film and protecgulum, improve integrally-built stability, improve the water resistance of product, can also promote the acoustical behavior of product.
Description
【Technical field】
The utility model is related to electroacoustic field, a kind of particularly microphone device.
【Background technology】
With the rapid development of electronics and information industry, the trend of electronic product to miniaturization is increasingly apparent, as answering
It necessarily also will be increasingly to miniaturization with microphone device thereon.
In the microphone device of the relevant technologies comprising magnetic circuit system, vibrational system and the receiving magnetic circuit system and
The auxiliary system of vibrational system, the auxiliary system include at least protecgulum and frame, and the protecgulum includes main part, and protecgulum is equipped with
Through hole on the direction of vibration of vibrational system, vibrational system include sound film, and the sound film includes top dome portion, from the top dome
Outwardly extending ring portion of portion and the engaging portion for being surrounded on the ring portion, the upper surface of the engaging portion and lower face difference
It is combined with protecgulum and frame.In the microphone device, because the cemented surface of protecgulum and sound film only has one side, while protecgulum is one
It is molding, insufficient, stable structure difference problem that accordingly, there exist the adhesion strengths between component.In addition, there is also anti-for existing structure
The problem of water poor performance.
Therefore, it is necessary to provide a kind of microphone device improving structure.
【Utility model content】
The purpose of this utility model is to provide a kind of microphone devices, it is ensured that the adhesion strength of sound film and protecgulum carries
High integrally-built stability, promotes the water resistance of product.
Microphone device provided by the utility model comprising magnetic circuit system, vibrational system, the receiving magnetic circuit system and institute
The auxiliary system of vibrational system is stated, the vibrational system includes sound film, and the auxiliary system includes mutually covering the protecgulum and basin connect
Frame, the sound film between the protecgulum and the frame, the sound film include with the fixed engaging portion of the frame and
The turn-up portion extended from the engaging portion, the protecgulum include first part and second part, and first part's lid is connected to institute
Side of the second part far from the frame is stated, the second part is integrally formed with the sound film, the engaging portion of the sound film
It is crimped between the second part of the protecgulum and the frame, the turn-up portion of the sound film is curved to the direction far from the frame
Folding extends and fits in the outside of the second part.
Preferably, the turn-up portion of the sound film further fits in the outside of the first part.
Preferably, the first part of the protecgulum is equipped with stage portion, close institute of the stage portion from the first part
The side for stating frame is recessed along its outer peripheral edge to the direction far from the frame.
Preferably, the second part of the protecgulum is adhered to the stage portion.
The utility model has the beneficial effects that：The sound film of the microphone device of the utility model include turn-up portion and with protecgulum
Second part is integrally formed, and be ensure that the bond strength of sound film and protecgulum, is improved integrally-built stability, improve product
Water resistance；Furthermore it is possible to shorten sound film gluing hem width, increase the size of product vibrational system, to promote the sound of product
Learn performance.
【Description of the drawings】
Fig. 1 is the decomposition diagram of the sound film and protecgulum of the microphone device of the utility model；
Fig. 2 is the stereoscopic schematic diagram of the microphone device of the utility model；
Fig. 3 is the floor map of the microphone device of the utility model；
Fig. 4 is the sectional view along Fig. 3 center line A-A cuttings；
Fig. 5 is the partial enlarged view in the portions B in Fig. 4.
【Specific implementation mode】
The utility model is described in further detail below by specific implementation mode combination attached drawing, so as to more preferably
Ground understands the advantages of the embodiment of the utility model and its various aspects.Below in an example, embodiment party in detail below is provided
The purpose of formula is easy for becoming apparent from thorough explanation to the content of the utility model, rather than limitations of the present invention.
Referring to figs. 1 to Fig. 5, the utility model provides a kind of microphone device, including magnetic circuit system 10, vibrational system 20,
Accommodate the auxiliary system 30 of magnetic circuit system 10 and vibrational system 20.
Wherein, magnetic circuit system 10 includes yoke 11, the magnet steel 12 being positioned in yoke 11 and is attached on magnet steel 12
Pole piece 13；Vibrational system 20 includes the bullet of sound film 21, the voice coil 22 of 21 vibration sounding of driving sound film and resilient support voice coil 22
Property support element 23, elastic supporting member for supporting optical member 23 is equipped with conductive path electrical connection voice coil 22 and external electric signal；Auxiliary system 30 includes phase
The protecgulum 31 connect and frame 32 are mutually covered, sound film 21 is between protecgulum 31 and frame 32.
Sound film 21 include top dome portion 211, from 211 outwardly extending ring portion 212 of top dome portion, be surrounded on ring portion 212 weeks
Enclose the turn-up portion 214 with 32 fixed engaging portion 213 of frame and the extension of self-bonding portion 213.
Protecgulum 31 includes first part 311 and second part 312, and the lid of first part 311 is connected to second part 312 far from basin
The side of frame 32, first part 311 are equipped with through hole 3111, and the size of through hole 3111 can be adjusted according to actual demand
It is whole.
Wherein, second part 312 is integrally formed with sound film 21, and the engaging portion 213 of sound film 21 is crimped on the second of protecgulum 31
Between part 312 and frame 32, the turn-up portion 214 of sound film 21 extends to the direction bending far from frame 32 and fits in second
Divide 312 outside.
Further, the first part 311 of protecgulum 31 is equipped with stage portion 3112, and stage portion 3112 is from first part 311
It is recessed to the direction far from frame 32 along its outer peripheral edge close to the side of frame 32, the second part 312 of protecgulum 31 is bonded
In stage portion 3112, the turn-up portion 214 of sound film 21 can also further fit in the outside of first part 311.
The sound film 21 of the microphone device of the utility model is including turn-up portion 214 and integrated with the second part of protecgulum 31 312
Molding, ensure that the bond strength of sound film 21 and protecgulum 31, improves integrally-built stability, improve the water proofing property of product
Energy；Furthermore it is possible to shorten the glued hem width of sound film 21, increase the size of product vibrational system, to promote the acoustical behavior of product.
It should be noted here that for those of ordinary skill in the art, not departing from the concept of the present invention
Under the premise of, various modifications and variations can be made, but these belong to the scope of protection of the utility model.
Claims (4)
1. a kind of microphone device comprising magnetic circuit system, accommodates the auxiliary of the magnetic circuit system and the vibrational system at vibrational system
Auxiliary system, the vibrational system include sound film, and the auxiliary system includes mutually covering the protecgulum connect and frame, and the sound film is located at
Between the protecgulum and the frame, which is characterized in that the sound film includes with the fixed engaging portion of the frame and from institute
The turn-up portion of engaging portion extension is stated, the protecgulum includes first part and second part, and first part's lid is connected to described the
Two partially away from the frame side, the second part and the sound film be integrally formed, the engaging portion crimping of the sound film
Between the second part and the frame of the protecgulum, the turn-up portion of the sound film is prolonged to the direction bending far from the frame
Stretch and fit in the outside of the second part.
2. microphone device according to claim 1, which is characterized in that the turn-up portion of the sound film further fits in described
The outside of first part.
3. microphone device according to claim 1, which is characterized in that the first part of the protecgulum is equipped with stage portion, institute
Stage portion is stated from the first part to be recessed to the direction far from the frame along its outer peripheral edge close to the side of the frame
It forms.
4. microphone device according to claim 3, which is characterized in that the second part of the protecgulum is adhered to the step
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820014942.9U CN207968902U (en) | 2018-01-04 | 2018-01-04 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820014942.9U CN207968902U (en) | 2018-01-04 | 2018-01-04 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968902U true CN207968902U (en) | 2018-10-12 |
Family
ID=63732045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820014942.9U Active CN207968902U (en) | 2018-01-04 | 2018-01-04 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312247A (en) * | 2020-11-30 | 2021-02-02 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| WO2021223263A1 (en) * | 2020-05-08 | 2021-11-11 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2018
- 2018-01-04 CN CN201820014942.9U patent/CN207968902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223263A1 (en) * | 2020-05-08 | 2021-11-11 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN112312247A (en) * | 2020-11-30 | 2021-02-02 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |