CN209390367U - Vibrating diaphragm and microphone device - Google Patents
Vibrating diaphragm and microphone device Download PDFInfo
- Publication number
- CN209390367U CN209390367U CN201822279344.7U CN201822279344U CN209390367U CN 209390367 U CN209390367 U CN 209390367U CN 201822279344 U CN201822279344 U CN 201822279344U CN 209390367 U CN209390367 U CN 209390367U
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- CN
- China
- Prior art keywords
- folds
- bundle
- fold
- vibrating diaphragm
- ring portion
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- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of vibrating diaphragm and with the microphone device of the vibrating diaphragm, the vibrating diaphragm includes top dome, ring portion and fixed part, the ring portion is equipped with fold, the fold is the sunk structure in the ring portion, the fold includes first bundle of folds around the top dome, with the third bundle of folds first bundle of folds spaced second bundle of folds and be arranged at intervals between second bundle of folds, the depth of the third bundle of folds recess is less than the depth that first bundle of folds and second bundle of folds are recessed, the recess direction of second bundle of folds is contrary with the recess of the third bundle of folds.The vibrating diaphragm of microphone device provided by the utility model is high, is not easy flat film, improves microphone device stability of vibration.
Description
[technical field]
The utility model relates to microphone device component technology fields, and in particular to a kind of vibrating diaphragm and the sounding with the vibrating diaphragm
Device.
[background technique]
To adapt to the miniaturization of various stereo sets and information communication device, multifunction develops, and is made in such equipment
Mini-sound device is matched in requisition for more tending to minimize, and with mini-sound device periphery other elements
Close it is more compact, in particular with the lightening growth requirement of mobile phone, wherein used in mini-sound device, do not require nothing more than
Miniaturization more requires high tone quality and stereo, to waterproof ability it is also proposed that increasingly higher demands.And it is used in miniature sounding
The vibrational system and magnetic circuit system of device are directly related to the sound quality quality of mini-sound device.The relevant technologies mini-sound device
Vibrational system include vibrating diaphragm, the voice coil being sticked on the vibrating diaphragm, magnetic circuit system includes magnetic bowl, the magnetic being placed in the magnetic bowl
Steel.
However, the vibrating diaphragm of the relevant technologies include positioned at middle part top dome, from top dome outward with the ring portion of extension and with
The connected fixed part of ring.Wherein, fixed part is provided with continuous recess or continuous protrusion around ring portion, this diaphragm structure
In actual fabrication and application, the distortion of adjustable product, but vibration film strength is often reduced, lead to flat film, when sound film
Resist in vibration processes and wave ability and can also reduce, and then limits the acoustics of the mini-sound device with the vibrating diaphragm
Energy.
That thus it is necessary to study a kind of vibrating diaphragm intensity is high, is not easy flat film and the stable novel sounding device part of vibration.
[utility model content]
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to provide that a kind of intensity is high, is not easy flat film
Vibrating diaphragm.
To achieve the above object, the utility model provides a kind of vibrating diaphragm, and the vibrating diaphragm includes centrally located ball
It pushes up, around the ring portion that the top dome extends, the fixed part extended outward to form around the ring portion, the ring portion is in circle
Angular moment shape, the ring portion are equipped with fold, and the fold is contrary with the recess in the ring portion, and the fold includes enclosing
Around first bundle of folds of the top dome, around first bundle of folds far from the top dome side and between first bundle of folds
Second bundle of folds every setting and the third bundle of folds that is arranged at intervals between second bundle of folds, the third bundle of folds
The depth of recess is less than the depth that first bundle of folds and second bundle of folds are recessed, the recess side of second bundle of folds
To contrary with the recess of the third bundle of folds.
Preferably, the fold is located at the four corners position in the ring portion.
Preferably, the ring portion includes the arc-shaped side edges positioned at corner positions, and the arc-shaped side edges include close to described
The inward flange of top dome and outer edge away from the top dome, first bundle of folds includes the first fold for being spaced apart from each other setting,
Second bundle of folds includes the second fold for being spaced apart from each other setting, and the third bundle of folds includes being spaced apart from each other the third of setting
Fold, first fold, second fold and third fold are extended from the inward flange to the fixed part direction.
Preferably, first fold and second fold are staggeredly spaced setting.
Preferably, the described one end of first fold far from the top dome is close to second fold close to the one of the top dome
End.
Preferably, at least one described third fold is equipped between adjacent second fold.
Preferably, first bundle of folds and second bundle of folds are contrary with the recess in the ring portion.
The another object of the utility model is to provide a kind of microphone device, including frame, is fixedly supported to the frame
Vibrating diaphragm and drive the voice coils of the diaphragm oscillations, the vibrating diaphragm is vibrating diaphragm described in any of the above item,
If the vibrating diaphragm of the utility model include first bundle of folds being made of several first folds for being spaced apart from each other setting, by
Second bundle of folds of dry second fold composition and the third bundle of folds being made of several third folds, between adjacent second fold
Equipped at least one third fold, which can play good booster action to vibration film strength, cover flat film range, enhance
Vibrating diaphragm intensity between fold, enhances the rebound of vibrating diaphragm, improves the generation of flat film phenomenon, reduces the distortion of microphone device, promotes vibration
Dynamic stability.
[Detailed description of the invention]
Fig. 1 is the perspective view of microphone device in the utility model；
Fig. 2 is the stereogram exploded view of microphone device in the utility model；
Fig. 3 is the perspective view of vibrating diaphragm in the utility model；
Fig. 4 is the enlarged drawing of A in Fig. 3 perspective view.
[specific embodiment]
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
It as shown in Figures 1 to 4, is the microphone device 1 of the utility model comprising form the frame 10 and lid of accommodating space
Plate 20, the vibrational system 30 being housed in accommodating space and magnetic circuit system 40.
Vibrational system 30 includes vibrating diaphragm 31 and the voice coil 32 for driving 31 sounding of vibrating diaphragm；Vibrating diaphragm 31 includes centrally located
Top dome 33 and ring 34 around top dome 33, the ring 34 include the interconnecting piece 341 being connect with the top dome 33, around institute
State interconnecting piece 341 extension ring portion 342, around the ring portion 342 extend outwardly made of fixed part 343, fixed part 343
It is connect with frame 10.
Magnetic circuit system 40 includes the magnetic bowl 41 for being fixed on frame 10, the magnet steel 42 being fixed on magnetic bowl 41 and is fixed on magnetic
Pole piece 43 on steel 42.
As shown in Figure 3, the rounded rectangle in ring portion 342, ring portion 342 are equipped with fold 343, in the present embodiment,
Fold 343 is located at the four corners position in ring portion 342, and fold 343 includes first bundle of folds 344 for surrounding top dome 33, surrounds
First bundle of folds 344 is set far from 33 side of top dome and with spaced second bundle of folds 345 of first bundle of folds 344 and interval
The third bundle of folds 346 being placed between second bundle of folds 345, first bundle of folds 344 and second bundle of folds 345 and ring portion 342
Recess it is contrary, the depth that the third bundle of folds 346 is recessed is recessed less than first bundle of folds 344 and second bundle of folds 345
The recess direction of depth, second bundle of folds 345 is contrary with the recess of the third bundle of folds 346.First bundle of folds 344 and second
The recess direction of the bundle of folds 345 is identical.
As shown in Figure 4, ring portion 342 includes the arc-shaped side edges 3421 positioned at corner positions, and arc-shaped side edges 3421 include
Outer edge 3423 close to the inward flange 3422 of top dome 33 and away from top dome 33, first bundle of folds 344 include being spaced apart from each other setting
The first fold 3441, second bundle of folds 345 includes being spaced apart from each other the second fold 3451 of setting, and the third bundle of folds 346 includes
It is spaced apart from each other the third fold 3461 of setting, the first fold 3441, the second fold 3451 and third fold 3461 are by inward flange
3422 extend to 343 direction of fixed part.
Specifically, the first fold 3441 and the second fold 3451 are staggeredly spaced setting, the first fold 3441 is far from top dome 33
One end close to the second fold 3451 close to one end of top dome 33.At least one third pleat is equipped between adjacent second fold 3451
Wrinkle 3461.In the present embodiment, there are two being set between adjacent second fold 3451 of the central location two sides of corner positions
Third fold 3461, the probability that the corner positions center in ring portion 342 generates flat film in vibration is larger, therefore, at the position
Setting third fold can effectively enhance vibrating diaphragm intensity, and flat film phenomenon is avoided to occur.It in other embodiments, can be in corner positions
Central location setting adjacent second fold 3451 between be arranged third fold 3461.
Vibrating diaphragm in the microphone device of the utility model includes be made of several first folds for being spaced apart from each other setting
One bundle of folds, second bundle of folds being made of several second folds and the third bundle of folds being made of several third folds, phase
At least one third fold is equipped between adjacent second fold, which can play good booster action to vibration film strength, cover
Flat film range is covered, enhances the vibrating diaphragm intensity between fold, enhances the rebound of vibrating diaphragm, improves the generation of flat film phenomenon, reduces acoustical generator
The distortion of part promotes stability of vibration.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (8)
1. a kind of vibrating diaphragm, the vibrating diaphragm include centrally located top dome, around the ring portion that the top dome extends, around institute
The fixed part that ring portion extends outward to form, the rounded rectangle in ring portion are stated, the ring portion is equipped with fold, feature
Be: the fold includes around first bundle of folds of the top dome, around first bundle of folds far from the top dome side
And with the third first bundle of folds spaced second bundle of folds and be arranged at intervals between second bundle of folds
The depth of the bundle of folds, the third bundle of folds recess is less than the depth that first bundle of folds and second bundle of folds are recessed,
The recess direction of second bundle of folds is contrary with the recess of the third bundle of folds.
2. vibrating diaphragm according to claim 1, it is characterised in that: the fold is located at the four corners position in the ring portion
It sets.
3. vibrating diaphragm according to claim 2, it is characterised in that: the ring portion includes the curved side positioned at corner positions
Side, the arc-shaped side edges include the outer edge close to the inward flange of the top dome and away from the top dome, first bundle of folds
The first fold including being spaced apart from each other setting, second bundle of folds include the second fold for being spaced apart from each other setting, the third
The bundle of folds includes the third fold for being spaced apart from each other setting, and first fold, second fold and third fold are by described
Inward flange extends to the fixed part direction.
4. vibrating diaphragm according to claim 3, it is characterised in that: first fold is staggeredly spaced with second fold and sets
It sets.
5. vibrating diaphragm according to claim 4, it is characterised in that: the described one end of first fold far from the top dome is close to institute
The second fold is stated close to one end of the top dome.
6. vibrating diaphragm according to claim 3, it is characterised in that: be equipped with described at least one between adjacent second fold
Third fold.
7. vibrating diaphragm according to claim 1, it is characterised in that: first bundle of folds and second bundle of folds with it is described
The recess in ring portion is contrary.
8. a kind of microphone device including frame, is fixedly supported to the vibrating diaphragm of the frame and the voice coil of the driving diaphragm oscillations,
It is characterized by: the vibrating diaphragm is vibrating diaphragm of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822279344.7U CN209390367U (en) | 2018-12-31 | 2018-12-31 | Vibrating diaphragm and microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822279344.7U CN209390367U (en) | 2018-12-31 | 2018-12-31 | Vibrating diaphragm and microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209390367U true CN209390367U (en) | 2019-09-13 |
Family
ID=67863233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822279344.7U Expired - Fee Related CN209390367U (en) | 2018-12-31 | 2018-12-31 | Vibrating diaphragm and microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209390367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134191A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibrating diaphragm and sounding device |
-
2018
- 2018-12-31 CN CN201822279344.7U patent/CN209390367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134191A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Vibrating diaphragm and sounding 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20201231 |