CN208190910U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN208190910U CN208190910U CN201820673879.XU CN201820673879U CN208190910U CN 208190910 U CN208190910 U CN 208190910U CN 201820673879 U CN201820673879 U CN 201820673879U CN 208190910 U CN208190910 U CN 208190910U
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- CN
- China
- Prior art keywords
- frame
- plane
- vibrating diaphragm
- front cover
- microphone device
- 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 utility model provides a kind of microphone device, it includes the frame with accommodating space, the front cover above the frame and the vibrating diaphragm being folded between the frame and the front cover, wherein, the vibrating diaphragm includes vibration section, is connected with the vibration section and the fixed part fixed with the frame, the fixed part includes the lower surface and with the lower surface opposite upper surface fixed with frame fitting, and the fixed part extends to the frame edge from the vibration section edge；The front cover includes the binding face being oppositely arranged with the upper surface.The setting that the microphone device of the utility model passes through the first boss of vibrating diaphragm, increase the bonded area of front cover and vibrating diaphragm, the frictional force between vibrating diaphragm and front cover in the horizontal direction is increased simultaneously, to improve integrally-built stability and not influence integrally-built total height, thus overall structure is optimized, and improves the waterproof performance of product.
Description
[technical field]
The utility model relates to electroacoustic field, a kind of particularly microphone device for improving diaphragm structure.
[background technique]
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 accommodate the magnetic circuit system and vibration
The auxiliary system of dynamic system, the auxiliary system include at least front cover, which includes vibrating diaphragm, the vibrating diaphragm be conventional structure simultaneously
And include including top dome portion, from the ring portion that the bending of top dome portion extends and the fixed part being connected with the ring portion, the auxiliary system
Frame, vibrating diaphragm are folded between front cover and frame, and the mating surface of front cover and vibrating diaphragm is plane, and pass through glue gluing merely
Together.Then, the microphone device with above structure is unable to satisfy higher waterproofing grade requirement, and there is also front cover
The inadequate situation with vibrating diaphragm cohesive force causes the failure conditions such as leak to occur, and thus reduces the integrally-built stability of product, very
To the acoustical behavior that will affect product.
Therefore, it is necessary to provide a kind of microphone device of new construction.
[utility model content]
To solve the above-mentioned problems, the utility model provides a kind of microphone device comprising the basin with accommodating space
Frame, the front cover above the frame and the vibrating diaphragm being folded between the frame and the front cover, wherein the vibrating diaphragm packet
The fixed part for including vibration section, being connected with the vibration section and fix with the frame, the fixed part includes being bonded with the frame
Fixed lower surface and the upper surface opposite with the lower surface, the fixed part extend to described from the vibration section edge
Frame edge；The front cover includes the binding face being oppositely arranged with the upper surface；The upper surface ecto-entad includes first
Joint face faces away from the first inclined-plane of the frame direction extension from first connection and extends from first inclined-plane
And the first extended surface with the lower surface face；The binding face includes the second connection corresponding with first joint face
Face faces away from the second inclined-plane of the frame direction extension from second connection and extends to institute from second inclined-plane
State the second extended surface above vibration section, second inclined-plane is fixed with first inclined-plane, second extended surface with it is described
First extended surface part is fixed and is arranged with the vibration section interval.
As an improvement first extended surface is parallel with first joint face, first extended surface compares institute
The difference in height for stating the first joint face is less than the difference in height that second extended surface compares second joint face.
As an improvement first extended surface is fixed with the second extended surface viscose glue, first inclined-plane and institute
The second inclined-plane viscose glue is stated to fix.
As an improvement the vibrating diaphragm includes in layer of silica gel, polyether-ether-ketone layer or thermoplastic polyurethane elastic rubber layer
At least one.
As an improvement the vibration section include top dome portion and around the top dome setting ring portion, the ring portion
It include spaced multiple folds in racetrack and at its turning.
As an improvement second extended surface extend partially into above the ring portion and with ring portion interval
Setting.
As an improvement the lower surface is the plane perpendicular to the direction of vibration of the vibrating diaphragm.
The beneficial effects of the utility model are:
The first inclined-plane and the first extended surface is arranged by vibrating diaphragm in the microphone device of the utility model, increases front cover and vibrating diaphragm
Bonded area, while the frictional force between vibrating diaphragm and front cover in the horizontal direction is increased, to improve integrally-built steady
It is qualitative and do not influence integrally-built total height, overall structure is thus optimized, and improve the waterproof performance of product.
[Detailed description of the invention]
Fig. 1 is the floor map of the microphone device of the utility model.
Fig. 2 is the cross-sectional view along Fig. 1 middle line A-A cutting.
Fig. 3 is the stereoscopic schematic diagram of the vibrating diaphragm of the utility model.
[specific embodiment]
The utility model is described in further detail below by specific embodiment 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, with the right and left of attached drawing paper
To for horizontal direction, using the up and down direction of attached drawing paper as vertical direction.Additionally, it is provided the purpose of following specific embodiments is
Thorough explanation is become apparent from convenient for the content to the utility model, rather than limitations of the present invention.
Referring to FIG. 1, FIG. 2 and FIG. 3, the utility model provides a kind of microphone device, which includes having receiving
The frame 10 in space, the front cover 20 above the frame 10 and the vibrating diaphragm 30 being folded between frame 10 and front cover 20.
In the present embodiment, the fixed part that vibrating diaphragm 30 is connected including vibration section, with the vibration section and fixes with frame 10
33, wherein vibrating diaphragm 30 is axisymmetric shape and generally rectangular shaped shape；Vibration section includes top dome portion 31 and around the top dome portion
The ring portion 32 of 31 settings, the rounded rectangle in top dome portion 31 or rectangle, ring portion 32 extend from 31 outward bending of top dome portion, folding
Ring portion 32 is hollow structure and hemispherical, and ring portion 32 in racetrack and includes spaced multiple folds at its turning
Portion；Fixed part 33 includes the lower surface 335 and the upper surface 331 opposite with the lower surface 335 that fixation is bonded with frame 10, Gu
Determine 33 self-excited oscillation portion edge of portion and extends to 10 edge of frame；Front cover 20 includes being oppositely arranged with the upper surface 331 of fixed part 33
Binding face 21；331 ecto-entad of upper surface of fixed part 33 includes the first joint face 332, from the first joint face 332 towards far from basin
The first inclined-plane 333 that 10 direction of frame extends and extend from the first inclined-plane 333 and the with 335 face of the lower surface of fixed part 33
One extended surface 334；Binding face 21 includes second joint face 22 corresponding with the first joint face 332, from the second joint face 22 towards remote
The second inclined-plane 23 for extending from 10 direction of frame and from the second inclined-plane 23 the second extended surface 24 above vibration section is extended to, the
Two inclined-planes 23 and the first inclined-plane 333 are fixed, and the second extended surface 24 is fixed with 334 part of the first extended surface and set with vibration section interval
It sets.Referring to figs. 2 and 3.
As shown in Fig. 2, in the present embodiment, the upper surface 331 of fixed part 33 includes the first joint face 332 and first
The first extended surface 334 the first connected inclined-plane 333 of joint face 332 and be connected with the first inclined-plane 333；First extended surface 334
Parallel with the first joint face 332, the first extended surface 334 compares the difference in height of the first joint face 332 less than 24 phase of the second extended surface
Than the difference in height of the second joint face 22；First extended surface 334 and the second extended surface 24 are glued fixed, the first inclined-plane 333 and second
23 viscose glue of inclined-plane is fixed；Second extended surface 24, which extends partially into 32 top of ring portion and is spaced with ring portion 32, to be arranged；Fixed part
33 lower surface 335 is the plane perpendicular to the direction of vibration of vibrating diaphragm 30.Above structure passes through the bonding modes such as glue for front cover
20 and vibrating diaphragm 30 fixation, thereby increase the bonded area of front cover 20 and vibrating diaphragm 30, while increasing vibrating diaphragm 30 and front cover 20
Between frictional force in the horizontal direction, also improve the waterproof performance of product.
In addition, frame 10 includes the main part 11 being bonded with vibrating diaphragm 30 and determines from the main part 11 towards 20 projection of front cover
Position column 12, front cover 20 offers the location hole to match with 12 shape of positioning column, by the cooperation of location hole and positioning column 12 into
The reliability that one step enhances frame 10 and front cover 20 is fixed, improves the integrally-built stability of product and reliability as a result,.
It should be noted that for size in attached drawing (including structure height h, angle [alpha] and angle beta and width) without spy
Other limitation can carry out size adjusting according to the waterproof requirement of actual product.
As can be known from Fig. 2, above structure increases front cover 20 and vibrating diaphragm in the case where not influencing the structure height of product
30 bonded area, while greatly improving the waterproof performance of product.
In addition, vibrating diaphragm 30 includes at least one of layer of silica gel, polyether-ether-ketone layer or thermoplastic polyurethane elastic rubber layer.
It should be noted that in the present embodiment, the ring portion 32 and fixed part 33 of top dome portion 31 and vibrating diaphragm 30 are point
Body structure and interconnection, therefore, ring portion 32 are including the interconnecting piece being connected with top dome portion 31 close to 31 side of top dome portion
Point, but not limited to this, can also be integral structure in other embodiments.
Compared with prior art, the first inclined-plane 333 and the first extended surface 334 is arranged by vibrating diaphragm 30 in the utility model, increases
Add the bonded area of front cover 20 Yu vibrating diaphragm 30, while increasing the friction in the horizontal direction between vibrating diaphragm 30 and front cover 20
Thus power optimizes overall structure, and mention to improve integrally-built stability and not influence integrally-built total height
The waterproof performance of product is risen.
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 protection scope of utility model.
Claims (7)
1. a kind of microphone device, which is characterized in that it include the frame with accommodating space, the front cover above the frame with
And be folded in the vibrating diaphragm between the frame and the front cover, wherein the vibrating diaphragm include vibration section, be connected with the vibration section and
The fixed fixed part with the frame, the fixed part include be bonded with the frame fixation lower surface and with the following table
The opposite upper surface in face, the fixed part extend to the frame edge from the vibration section edge；The front cover includes and institute
State the binding face that upper surface is oppositely arranged；The upper surface ecto-entad includes the first joint face, from first joint face court
The first inclined-plane extended far from the frame direction and first from first inclined-plane extension and with the lower surface face
Extended surface；The binding face include the second joint face corresponding with first joint face, from it is described second connection face away from
The second inclined-plane and extend to the second extended surface above the vibration section from second inclined-plane that the frame direction extends,
Second inclined-plane is fixed with first inclined-plane, second extended surface part fixed with first extended surface and with it is described
The setting of vibration section interval.
2. microphone device according to claim 1, which is characterized in that first extended surface and first joint face are flat
Row, first extended surface are less than second extended surface compared to second connection compared to the difference in height of first joint face
The difference in height in face.
3. microphone device according to claim 2, which is characterized in that first extended surface and second extended surface are viscous
Glue is fixed, and first inclined-plane is fixed with second inclined-plane viscose glue.
4. microphone device according to claim 1, which is characterized in that the vibrating diaphragm include layer of silica gel, polyether-ether-ketone layer or
At least one of thermoplastic polyurethane elastic rubber layer.
5. microphone device according to claim 1, which is characterized in that the vibration section includes top dome portion and around the ball
The ring portion of setting is pushed up, which in racetrack and includes spaced multiple folds at its turning.
6. microphone device according to claim 5, which is characterized in that second extended surface extends partially into the ring
It is arranged above portion and with ring portion interval.
7. microphone device according to claim 1, which is characterized in that the lower surface is perpendicular to the vibration vibration of membrane
The plane in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673879.XU CN208190910U (en) | 2018-05-07 | 2018-05-07 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673879.XU CN208190910U (en) | 2018-05-07 | 2018-05-07 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208190910U true CN208190910U (en) | 2018-12-04 |
Family
ID=64433182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820673879.XU Expired - Fee Related CN208190910U (en) | 2018-05-07 | 2018-05-07 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208190910U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267177A (en) * | 2019-06-29 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2022067979A1 (en) * | 2020-09-30 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2018
- 2018-05-07 CN CN201820673879.XU patent/CN208190910U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267177A (en) * | 2019-06-29 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2022067979A1 (en) * | 2020-09-30 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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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: 20181204 Termination date: 20210507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |