CN207135262U - Vibrating diaphragm and the acoustical generator including the vibrating diaphragm - Google Patents
Vibrating diaphragm and the acoustical generator including the vibrating diaphragm Download PDFInfo
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- CN207135262U CN207135262U CN201720949955.0U CN201720949955U CN207135262U CN 207135262 U CN207135262 U CN 207135262U CN 201720949955 U CN201720949955 U CN 201720949955U CN 207135262 U CN207135262 U CN 207135262U
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- vibrating diaphragm
- central portion
- voice coil
- reinforcement part
- acoustical generator
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Abstract
The utility model discloses a kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm, the vibrating diaphragm includes the fixed part fixed with acoustical generator shell, the ring portion being wholely set with fixed part, central portion in ring portion and the reinforcement part that fixation is combined with the central portion surface；The central portion of the vibrating diaphragm includes thinning part, and the thinning part is caved inward by the surface of the remote reinforcement part of the central portion of vibrating diaphragm and formed.Diaphragm structure provided by the utility model may be such that acoustical generator while can ensure stability of vibration system, obtain higher sensitivity, be easy to improve the overall performance of acoustical generator.
Description
Technical field
It the utility model is related to electroacoustic switch technology field.More particularly, to a kind of vibrating diaphragm and including the vibrating diaphragm
Acoustical generator.
Background technology
Acoustical generator is a kind of device that can convert electrical energy into acoustic energy, belongs to most basic phonation unit, and it extensively should
For in the terminal devices such as mobile phone.
General acoustical generator include shell and and the vibrational system and magnetic circuit system that are contained in the shell, wherein vibration system
System includes vibrating diaphragm and the voice coil loudspeaker voice coil being incorporated into below vibrating diaphragm.In diaphragm structure, the vibrating diaphragm has generally included fixed part, with fixation
The ring portion for the male female structure that portion is wholely set and the central portion in ring portion, in the prior art in order to increase vibrating diaphragm
Rigidity, improve the dither performance of vibrating diaphragm, it will usually combined on the central portion of vibrating diaphragm and be fixed with reinforcement part, it is easily caused
Vibrating diaphragm itself oscillating mass increases, sensitivity decrease, is unfavorable for improving the overall performance of acoustical generator.
Accordingly, it is desirable to provide a kind of new diaphragm structure, the defects of to overcome present in above-mentioned prior art.
Utility model content
A purpose of the present utility model is to provide a kind of vibrating diaphragm, by the improvement to diaphragm structure, in guarantee vibrating diaphragm
While dither performance, oscillating mass is alleviated, acoustical generator is obtained higher sensitivity.
Another purpose of the present utility model is to provide a kind of acoustical generator for including above-mentioned vibrating diaphragm.
To reach above-mentioned purpose, the utility model uses following technical proposals：
According to one side of the present utility model, the utility model provides a kind of vibrating diaphragm, and the vibrating diaphragm includes and acoustical generator
The fixed part that shell is fixed, the ring portion being wholely set with fixed part, central portion in ring portion and with the center
Portion surface combines fixed reinforcement part；
The central portion of the vibrating diaphragm includes thinning part, the thinning part by vibrating diaphragm central portion the remote reinforcement part
Surface cave inward to be formed.
Further, it is preferable to scheme is, the central portion of the vibrating diaphragm also include the corresponding reinforcement part by central portion surface
Cave inward the portion of caving in be formed, and the portion of caving in is set for the non-penetrating thinning part；Reinforcement part is contained in the portion of caving in
It is interior and combined fixation with the central portion of the vibrating diaphragm.
Further, it is preferable to which scheme is, the thinning part edge includes expanding progressive hierarchic structure towards on the outside of vibrating diaphragm.
Further, it is preferable to which scheme is, on the direction of vibration of vibrating diaphragm, the thinning part edge is located at the reinforcement part edge
Inner side.
Further, it is preferable to which scheme is, the central hollow out of the thinning part, hollow out edge is located at the thinning part hierarchic structure
Inner side, the hierarchic structure is a ladder or multiple ladders.
Further, it is preferable to scheme is, the hierarchic structure be positioned at the thinning part edge continuous closing structure or
Symmetrical segmental structure.
Further, it is preferable to which scheme is, pass through gluing fixation or institute between the central portion of the reinforcement part and the vibrating diaphragm
State the central portion integrated injection molding of reinforcement part and the vibrating diaphragm.
According to other side of the present utility model, the utility model provides a kind of acoustical generator, and the acoustical generator includes shaking
Dynamic system, the vibrational system include vibrating diaphragm described above and the voice coil loudspeaker voice coil combined with the vibrating diaphragm.
Further, it is preferable to which scheme is, the voice coil loudspeaker voice coil is located at the homonymy of the vibrating diaphragm, and the voice coil loudspeaker voice coil knot with the reinforcement part
On the side surface for closing remote the vibrating diaphragm for being fixed on the reinforcement part, or the voice coil loudspeaker voice coil is with reference to being fixed on reinforcement part outside
Vibrating diaphragm central portion edge.
Further, it is preferable to scheme is, the remote reinforcement part of the voice coil loudspeaker voice coil with reference to the central portion for being fixed on the vibrating diaphragm
Surface on.
The beneficial effects of the utility model are as follows：
Compared with prior art, the central portion of vibrating diaphragm of the diaphragm structure provided by the utility model above reinforcement part
Make to be thinned or hollow out designs, realized the purpose for mitigating diaphragm oscillations quality, while also utilized the ladder knot at thinning part edge
Structure designs the bonding force that ensure that reinforcement part and central portion, and further mitigation diaphragm oscillations quality, so that acoustical generator
While can ensure stability of vibration system, higher sensitivity is obtained, is easy to improve the overall performance of acoustical generator.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of diaphragm structure schematic diagram of embodiment of the utility model.
Fig. 2 shows a kind of diaphragm structure schematic diagram of preferred embodiment of the utility model.
Fig. 3 shows the diaphragm structure schematic diagram of the utility model another kind preferred embodiment.
Fig. 4 shows a kind of acoustical generator structural representation of embodiment provided by the utility model.
Embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
As shown in Figures 1 to 4, according to one side of the present utility model, vibrating diaphragm dither performance is being ensured in order to realize
Meanwhile mitigate diaphragm oscillations quality, acoustical generator is obtained more highly sensitive purpose of utility model, the utility model provides a kind of
For the diaphragm structure of acoustical generator, specifically, a kind of embodiment with reference to shown in Fig. 1 and Fig. 4, the vibrating diaphragm includes and sounding
The fixed part 1 that device shell is fixed, the ring portion 2 being wholely set with fixed part 1, central portion 3 in ring portion 2 and with institute
State the surface of central portion 3 and combine fixed reinforcement part 4；The central portion 3 of the vibrating diaphragm includes thinning part 31, the thinning part 31 by
The surface of the remote reinforcement part 4 of the central portion 3 of vibrating diaphragm caves inward to be formed.It should be noted that in the present embodiment,
The reinforcement part 4 is planarized structure, the difference for the acoustical generator type applied according to vibrating diaphragm, and can also use the knot such as spherical
Structure, the utility model are not any limitation as.
In the embodiment shown in Fig. 1, the central portion 3 of the vibrating diaphragm also include the corresponding reinforcement part 4 by center
Portion surface caves inward the portion of caving in be formed, and is specifically illustrating in structure, the portion of caving in is located under the central portion 3 of the vibrating diaphragm
Side surface, and caved inward and formed by the downside surface of central portion 3, the portion of caving in is the non-penetrating upper table of thinning part 31
Face is set；The reinforcement part 4 is caved in portion described in being contained in and is combined fixation with the central portion 3 of the vibrating diaphragm, and in order to ensure
Fixing intensity between reinforcement part 4 and the relative vibrating diaphragm with thinning part 31, it is preferable that on the direction of vibration of vibrating diaphragm, institute
The edge of thinning part 31 is stated to be located on the inside of the edge of reinforcement part 4.Wherein, the reinforcement part 4 and the central portion 3 of the vibrating diaphragm can lead to
Gluing fixation is crossed, in order to mitigate process complexity, it is preferable that the central portion 3 of the reinforcement part 4 and the vibrating diaphragm can integrated injection molding
Shaping.In addition in order to increase the bonded area between reinforcement part 4 and central portion 3 as far as possible, and lifting combines effect, the reinforcement
The lower surface in portion is preferably without departing from the lower surface of the central portion 3.It should be noted that the reinforcement part is tied by portion of caving in
Close be fixed on the central portion of the vibrating diaphragm be only it is a kind of be easy to ensure that diaphragm structure globality is preferably carried out mode, also
It is to say, the portion of caving in can be not provided with the surface of the central portion of the vibrating diaphragm, reinforcement part can be directly anchored to the center of the vibrating diaphragm
On the surface in portion, aforesaid way is equally reached diaphragm structure provided by the utility model to be had relative to prior art
Advantage.
In addition, illustrate only a kind of specific thinning part structure in Fig. 1, wherein corresponding to the thinning part 31 by center
The depressed part cross sectional shape that the upper surface of portion 3 caves inward formed is rectangular, and it is alternatively arch or has round rectangle, this reality
This is not any limitation as with new.Diaphragm structure provided by the utility model leads to while with dither performance
The setting of thinning part is crossed, alleviates the oscillating mass of vibrating diaphragm, acoustical generator can be made to obtain higher sensitivity.
With reference to Fig. 1 and Fig. 4, Fig. 4 shows a kind of acoustical generator structure using diaphragm structure shown in Fig. 1, the acoustical generator bag
Include shell 6 and vibrational system and magnetic circuit system in the shell 6.The vibrational system includes the vibrating diaphragm such as above-mentioned structure
With the voice coil loudspeaker voice coil 5 combined with the vibrating diaphragm.The magnetic circuit system includes lower conductive magnetic yoke 7, positioned at the center of the lower middle position of conductive magnetic yoke 7
Magnet 71, the center magnetic conductive board 72 above centring magnet 71, around the side magnet 73 of the centring magnet 71, and it is located at
The while magnetic conductive board 74 in the top of magnet 73；Centring magnet 71 forms the magnetic gap for accommodating the voice coil loudspeaker voice coil 5 with side magnet 73.Need
It is noted that in actual applications, the magnetic circuit system can use single motor structure, three motor structures or five
Motor structure, the utility model are not any limitation as, and acoustical generator is relative with diaphragm structure provided by the utility model
It is same in Dominant Facies possessed by prior art, it will not be repeated here.
In addition, in the acoustical generator structure that Fig. 4 shows, it is preferable that the voice coil loudspeaker voice coil 5 is located at the vibrating diaphragm with the reinforcement part 4
Homonymy, and on a side surface of the voice coil loudspeaker voice coil 5 with reference to the remote vibrating diaphragm for being fixed on the reinforcement part 4.One as the structure
Kind variant embodiment, for the voice coil loudspeaker voice coil also in relation with the edge of the central portion for the vibrating diaphragm being fixed on the outside of the reinforcement part, its is same
Sample has advantage of the diaphragm structure provided by the utility model relative to prior art.
In addition, the embodiment of the further deformation for the combination of vibrating diaphragm and voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil can also be tied
On the surface for closing the remote reinforcement part for the central portion for being fixed on the vibrating diaphragm；And in the central portion for ensureing voice coil loudspeaker voice coil and vibrating diaphragm
Under conditions of fixing intensity, the combination stationary plane of the central portion of voice coil loudspeaker voice coil and vibrating diaphragm can be located at the ladder knot at thinning part edge
At structure, the edge of the central portion of vibrating diaphragm that can also be on the outside of thinning part edge, the utility model is not limited this
System.
In order to reduce the stress suffered by the edge of thinning part 31, and ensureing bonding force between reinforcement part 4 and central portion 3
Under the conditions of, further mitigate the quality of vibrating diaphragm, referring to Fig. 2, utility model additionally provides a kind of vibrating diaphragm knot of preferred embodiment
Structure, wherein the edge of the thinning part 31 includes expanding progressive hierarchic structure 311 towards on the outside of vibrating diaphragm, the hierarchic structure can be one
Individual ladder or multiple ladders, the hierarchic structure 311 described in schematic structure are multiple hierarchic structure shapes.
As the further improvement of above-mentioned preferred embodiment, as shown in figure 3, the thinning part 31 can also use center
Portion's insertion of caving in of the central portion of the frame mode of hollow out, void region and vibrating diaphragm；The vibrating diaphragm of this kind of structure is retaining ladder knot
On the basis of structure 311, hollow out design is carried out further directed to central portion 3, has alleviated the oscillating mass of vibrating diaphragm.And hollow out side
Edge 32 is located at the inner side of the hierarchic structure 311 of thinning part 31, and it is flat with its reinforcement part being bonded to ensure that fretwork area is less than
Face region area, to ensure the air-tightness of vibrating diaphragm.
Reinforcement part 4 employed in the above-mentioned embodiment of the utility model can be rectangle, or circular or racetrack, with
The hierarchic structure 311 at its corresponding edge of vibrating diaphragm thinning part 31 can be to be distributed in the continuous closure at the edge of thinning part 31
Structure, or symmetrical segmental structure.It should say, all reinforcement part knots that can realize purpose of utility model of the present utility model
Structure and its with thinning part edge hierarchic structure configuration mode, should all cover the row in the utility model embodiment scope.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in of the present utility model
The row of protection domain.
Claims (10)
1. a kind of vibrating diaphragm, it is characterised in that the vibrating diaphragm includes the fixed part fixed with acoustical generator shell, is integrally set with fixed part
The ring portion put, central portion in ring portion and the reinforcement part that fixation is combined with the central portion surface；
The central portion of the vibrating diaphragm includes thinning part, the thinning part by vibrating diaphragm central portion the remote reinforcement part table
Inward-facing depression is formed.
2. vibrating diaphragm according to claim 1, it is characterised in that the central portion of the vibrating diaphragm also includes the corresponding reinforcement part
The portion of caving in formed that caved inward by central portion surface, the portion of caving in is set for the non-penetrating thinning part；Reinforcement part holds
Put and cave in portion described and combined fixation with the central portion of the vibrating diaphragm.
3. vibrating diaphragm according to claim 1, it is characterised in that the thinning part edge includes passing towards expansion on the outside of vibrating diaphragm
The hierarchic structure entered, the hierarchic structure are a ladder or multiple ladders.
A kind of 4. vibrating diaphragm according to claim 1, it is characterised in that on the direction of vibration of vibrating diaphragm, the thinning part side
Along on the inside of the reinforcement part edge.
5. vibrating diaphragm according to claim 3, it is characterised in that the central hollow out of the thinning part, hollow out edge are located at institute
State the inner side of thinning part hierarchic structure.
6. vibrating diaphragm according to claim 3, it is characterised in that the hierarchic structure is the company positioned at the thinning part edge
Continuous closing structure or symmetrical segmental structure.
7. vibrating diaphragm according to claim 1, it is characterised in that pass through between the central portion of the reinforcement part and the vibrating diaphragm
Gluing fixation or the reinforcement part and the central portion integrated injection molding of the vibrating diaphragm.
8. a kind of acoustical generator, it is characterised in that the acoustical generator includes vibrational system, and the vibrational system includes such as claim
Vibrating diaphragm described in any one of 1-7 claims and the voice coil loudspeaker voice coil combined with the vibrating diaphragm.
9. acoustical generator according to claim 8, it is characterised in that the voice coil loudspeaker voice coil is located at the vibrating diaphragm with the reinforcement part
Homonymy, and on a side surface of the voice coil loudspeaker voice coil with reference to the remote vibrating diaphragm for being fixed on the reinforcement part, or the voice coil loudspeaker voice coil combines admittedly
The edge of the central portion for the vibrating diaphragm being scheduled on the outside of the reinforcement part.
10. acoustical generator according to claim 8, it is characterised in that the voice coil loudspeaker voice coil is with reference to the center for being fixed on the vibrating diaphragm
On the surface of the remote reinforcement part in portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720949955.0U CN207135262U (en) | 2017-07-31 | 2017-07-31 | Vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720949955.0U CN207135262U (en) | 2017-07-31 | 2017-07-31 | Vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207135262U true CN207135262U (en) | 2018-03-23 |
Family
ID=61640574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720949955.0U Active CN207135262U (en) | 2017-07-31 | 2017-07-31 | Vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207135262U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109040925A (en) * | 2018-11-02 | 2018-12-18 | 歌尔股份有限公司 | Top dome, loudspeaker and earphone |
| CN109862490A (en) * | 2018-12-30 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2020114055A1 (en) * | 2018-12-07 | 2020-06-11 | 歌尔股份有限公司 | Processing method for sound production apparatus housing, sound production apparatus housing, and module |
-
2017
- 2017-07-31 CN CN201720949955.0U patent/CN207135262U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109040925A (en) * | 2018-11-02 | 2018-12-18 | 歌尔股份有限公司 | Top dome, loudspeaker and earphone |
| CN109040925B (en) * | 2018-11-02 | 2020-08-04 | 歌尔股份有限公司 | Speaker and earphone |
| WO2020114055A1 (en) * | 2018-12-07 | 2020-06-11 | 歌尔股份有限公司 | Processing method for sound production apparatus housing, sound production apparatus housing, and module |
| CN109862490A (en) * | 2018-12-30 | 2019-06-07 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN109862490B (en) * | 2018-12-30 | 2021-07-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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