CN207070312U - Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker - Google Patents
Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker Download PDFInfo
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- CN207070312U CN207070312U CN201720796931.6U CN201720796931U CN207070312U CN 207070312 U CN207070312 U CN 207070312U CN 201720796931 U CN201720796931 U CN 201720796931U CN 207070312 U CN207070312 U CN 207070312U
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- vibrating diaphragm
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- silastic
- synthetic rubber
- loudspeaker
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Abstract
It the utility model is related to a kind of vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker.The vibrating diaphragm includes the first silastic-layer, synthetic rubber layer and the second silastic-layer being combined with each other, and the synthetic rubber layer is between first silastic-layer and second silastic-layer, fissipation factor >=0.15 of the synthetic rubber layer.A technical problem to be solved in the utility model is that existing silicon rubber vibrating diaphragm is single-layer membrane structure, can not take into account tearing toughness and low resistance.One purposes of utility model is to be used for loudspeaker.
Description
Technical field
Electroacoustic switch technology field is the utility model is related to, more specifically, the utility model is related to one kind is used for loudspeaker
Vibrating diaphragm, loudspeaker monomer and electronic equipment.
Background technology
Silicon rubber vibrating diaphragm relative to the common vibrating diaphragm such as engineering plastics vibrating diaphragm, composite diaphragm, waterproof and high temperature resistant this two
Aspect has outstanding advantage.But due to silicon rubber self character, its tearing toughness and high-damping these two aspects can not accomplish simultaneous
Care for.Generally, lifting damping capacity can reduce tearing strength, and lifting tearing strength can not then ensure damping capacity.
If the tearing strength of vibrating diaphragm is low, rupture of membranes easily occurs in use for manufactured vibrating diaphragm.If the resistance of vibrating diaphragm
Buddhist nun is low, then performance can be poor in terms of control distortion, and distortion can be larger.In order to ensure that rupture of membranes does not occur for silicon rubber vibrating diaphragm, making
As when have to abandon the requirement to damping.Often within 0.08, this is caused the fissipation factor of existing silicon rubber at normal temperatures
Frequency distortion is bigger.
Further, since the modulus of elasticity of silicon rubber is relatively low, supporting role is poor, therefore silicon rubber vibrating diaphragm is easily sent out in use
Raw polarization, this can cause voice coil loudspeaker voice coil to be touched with housing generation wiping, so that abnormal sound occurs in loudspeaker.
Utility model content
A purpose of the present utility model is to provide a kind of new solution of the vibrating diaphragm for loudspeaker.
According to one side of the present utility model, there is provided a kind of vibrating diaphragm for loudspeaker.The vibrating diaphragm includes being compounded in one
The first silastic-layer, synthetic rubber layer and the second silastic-layer risen, the synthetic rubber layer are located at first silastic-layer
Between second silastic-layer, fissipation factor >=0.15 of the synthetic rubber layer..
Alternatively, it is at least one in first silastic-layer, the synthetic rubber layer and second silastic-layer
Thickness be 5-100 μm.
Alternatively, the span of the fissipation factor of the synthetic rubber is 0.2-1.5.
Alternatively, the synthetic rubber layer is by ethylene propylene diene rubber, butyl rubber, nitrile rubber, ACM, second
Alkene-ACM or fluorubber are made.
Alternatively, set in the binding face of first silastic-layer and one of them of binding face of the synthetic rubber layer
Lug boss is equipped with, another is provided with depressed part, and the lug boss is inserted in the depressed part；And/or
Second silastic-layer binding face and the synthetic rubber layer binding face one of them be provided with it is convex
The portion of rising, another is provided with depressed part, and the lug boss is inserted in the depressed part.
Alternatively, the vibrating diaphragm includes central part, around the ring portion that the central part is set and around the ring
The connecting portion that portion is set.
Alternatively, it is provided with the ring portion by oblique close to the laterally closer connecting portion side of the central part one
The beading of upper extension.
Alternatively, the vibrating diaphragm is rectangle, and the ring portion is rectangle, be provided with four corners in the ring portion by
Decorative pattern of the central part to external radiation.
According to other side of the present utility model, there is provided a kind of loudspeaker monomer.The loudspeaker monomer includes this reality
With the vibrating diaphragm of new offer.
According to another aspect of the present utility model, there is provided a kind of electronic equipment.It is new that the electronic equipment includes this practicality
The loudspeaker monomer that type provides.
One of the present utility model has technical effect that, silastic-layer has good waterproof and resistance to elevated temperatures.Two layers
Silastic-layer is effectively improved the supporting role of vibrating diaphragm, makes vibrating diaphragm be not susceptible to polarize.Synthetic rubber based on above-mentioned material
Layer has good damping capacity.The multilayer vibrating diaphragm of the composite has waterproof, high temperature resistant and high damping properties concurrently.
In addition, the vibrating diaphragm modulus of elasticity, tearing toughness are high.
Further, since the raising of the damping of vibrating diaphragm, the vibrating diaphragm can be effectively reduced loudspeaker after applied to loudspeaker
Distortion.Simultaneously because the lifting of the modulus of elasticity of vibrating diaphragm, can effectively improve the polarization situation of loudspeaker, reduce the different of loudspeaker
Ring.
Further, since the tearing strength of vibrating diaphragm improves, the reliability of vibrating diaphragm is improved.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 is the sectional view according to the vibrating diaphragm of the utility model one embodiment.
Fig. 2 is the sectional view according to the vibrating diaphragm of the utility model another embodiment.
Fig. 3 is the front view according to the vibrating diaphragm of the utility model one embodiment.
Description of reference numerals：
11：First silastic-layer；12：Second silastic-layer；13：Central part；14：Ring portion；15：Connecting portion；16：It is raised
Portion；17：Synthetic rubber layer；18：Decorative pattern；19：Beading.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
According to one embodiment of the present utility model, there is provided a kind of vibrating diaphragm for loudspeaker.Alternatively, vibrating diaphragm is flat
Face vibrating diaphragm or ring vibrating diaphragm.For convenience of explanation, in this embodiment by taking ring vibrating diaphragm as an example, as Figure 1-3.The vibrating diaphragm
Including central part 13, around the ring portion 14 that central part 13 is set and the connecting portion 15 set around ring portion 14.Connecting portion 15
It is connected for the housing with loudspeaker monomer.The wide frequency range of the ring vibrating diaphragm, amplitude is big, has a wide range of application.
Preferably, the central part 13 of vibrating diaphragm is provided with reinforcement part (DOME).Reinforcement part is used for the amplitude for increasing vibrating diaphragm, with
And improve the structural strength of vibrating diaphragm.
In addition, reinforcement part can also play a part of reducing the diaphagras of vibrating diaphragm.
As shown in Figure 1-2, the vibrating diaphragm includes the first silastic-layer, the silicon rubber of synthetic rubber layer 17 and second being combined with each other
Glue-line.Synthetic rubber layer 17 is between the first silastic-layer and the second silastic-layer.The fissipation factor of synthetic rubber layer >=
0.15。
Alternatively, synthetic rubber layer 17 is by ethylene propylene diene rubber, butyl rubber, nitrile rubber, ACM, second
Alkene-ACM or fluorubber are made.
Silastic-layer has good waterproof and resistance to elevated temperatures.Two layers of silastic-layer is effectively improved the support of vibrating diaphragm
Effect, makes vibrating diaphragm be not susceptible to polarize.Synthetic rubber layer 17 based on above-mentioned material has good damping capacity.The composite wood
The multilayer vibrating diaphragm of material has waterproof, high temperature resistant and high damping properties concurrently.
In addition, the vibrating diaphragm modulus of elasticity, tearing toughness are high, cracky, the reliability of vibrating diaphragm are not improved vibrating diaphragm.
Further, since the raising of the damping of vibrating diaphragm, the vibrating diaphragm can be effectively reduced loudspeaker after applied to loudspeaker
Distortion.Simultaneously because the lifting of the modulus of elasticity of vibrating diaphragm, can effectively improve the polarization situation of loudspeaker, reduce the different of loudspeaker
Ring.
It should be noted that synthetic rubber layer 17 could be arranged to multilayer.
Vibrating diaphragm is thicker, then the F of speaker product.(lowest vibration frequency) is higher；Vibrating diaphragm is thinner, then F.It is lower, but vibrating diaphragm
Intensity it is lower.Preferably, at least one thickness in the first silastic-layer, the silastic-layer of synthetic rubber layer 17 and second is
5-100μm.The silastic-layer and synthetic rubber layer 17 of the thickness range have high intensity and excellent vibrating effect concurrently.
Preferably, the gross thickness of vibrating diaphragm is 10-300um.
The fissipation factor of synthetic rubber layer is too low, then the damping of vibrating diaphragm is small, and the distortion of loudspeaker is big.Preferably, rubber is synthesized
The span of the fissipation factor of glue-line 17 is 0.2-1.5.Synthetic rubber layer in the range of this have concurrently higher fissipation factor and
Higher intensity.
So, in vibration, unnecessary energy can be consumed by effects such as the interior friction of vibrating diaphragm, heat releases, so as to not
Excessive remained shock can be produced.In this example embodiment, the fissipation factor of synthetic rubber layer 17 is larger, and the distortion of speaker product is small, and
Film strength of shaking is high, service life length.
Preferably, the first silastic-layer 11, the silastic-layer 12 of synthetic rubber layer 17 and second are fitted in by compression molding
Together.The mode of compression molding make it that the bonding strength of three is high, and the reliability of vibrating diaphragm improves.
In one example, first, the first silastic-layer 11, the second silastic-layer 12 are prepared by way of sulfidization molding
With synthetic rubber layer 17；Then, three material layers are fit together；Finally, three material layers are put into mould and be molded into
Type.
Preferably, it is provided with the binding face of the first silastic-layer 11 and one of them of binding face of synthetic rubber layer 17
Lug boss 16, another is provided with depressed part, and lug boss is inserted in depressed part；And/or
The binding face of second silastic-layer 12 and one of them of binding face of synthetic rubber layer 17 are provided with lug boss
16, another is provided with depressed part, and lug boss inserts in depressed part
It should be noted that binding face refers to the respective surface for being used to be bonded of two silastic-layers.
As shown in Fig. 2 the binding face in the first silastic-layer 11 is provided with depressed part.In synthetic rubber layer 17 and first
The binding face that silastic-layer 11 connects is provided with lug boss 16.The binding face relative with the lug boss 16 is provided with depressed part.
The binding face of second silastic-layer is provided with lug boss 16.When three material layers are bonded, lug boss 16 inserts correspondingly recessed
In the portion of falling into.Lug boss 16 and depressed area are in the central part of vibrating diaphragm.
In this way, the contact area of two silastic-layers 11,12 and synthetic rubber layer 17 is increased, improves three
The bonding strength of person, so as to further increase the reliability of vibrating diaphragm.
The set location of lug boss 16 and depressed part does not limit herein.Those skilled in the art can also be by lug boss 16
Ring portion 14 or connecting portion 15 are arranged on depressed part.
Preferably, as shown in figure 3, being provided with ring portion 14 by close to the laterally closer side of connecting portion 15 of central part 13 1
The beading 19 extended obliquely.Beading 19 is the convex tendon formed during sulfidization molding or compression molding.Pass through this side
Formula, beading 19 can improve the pliable of vibrating diaphragm, prevent vibrating diaphragm from polarizing.
Alternatively, beading 19 is linear or arc line shaped.Beading 19 is arranged on the first silastic-layer 11, synthetic rubber layer
17 and second at least one in silastic-layer 12.
Preferably, vibrating diaphragm is rectangle.Ring portion 14 is rectangle.It is provided with four corners in ring portion 14 by central part 13
To the decorative pattern 18 of external radiation.Alternatively, decorative pattern 18 is the projection or groove being arranged on vibrating diaphragm.Decorative pattern 18 to be linear or
Arc shaped.As shown in figure 3, it is each provided with multiple radial decorative patterns 18 in four corners in ring portion 14.Decorative pattern 18 can support
Weakening film further prevents vibrating diaphragm from polarizing in stress caused by vibration.
Alternatively, decorative pattern 18 is arranged in the first silastic-layer 11, the silastic-layer 12 of synthetic rubber layer 17 and second extremely
On few one.
In addition, decorative pattern 18 extends the service life of vibrating diaphragm.
In addition, decorative pattern 18 further increases the pliable of vibrating diaphragm, make the vibrating effect of vibrating diaphragm more preferable.
According to another embodiment of the present utility model, there is provided a kind of loudspeaker monomer.The loudspeaker monomer includes this
The vibrating diaphragm that utility model provides.Alternatively, loudspeaker monomer is moving-coil type monomer or moving-iron type monomer.For convenience of explanation,
In this embodiment by taking moving-coil type monomer as an example.
Moving-coil type monomer includes vibration component and magnetic circuit component.Vibration component includes vibrating diaphragm and voice coil loudspeaker voice coil.Vibrating diaphragm shakes for ring
Film.The central part 13 of voice coil loudspeaker voice coil and vibrating diaphragm connects.Magnetic circuit component forms magnetic gap.Uniform magnetic field is formed in magnetic gap.Voice coil loudspeaker voice coil
In free end insertion magnetic gap.
The electric signal of voice coil loudspeaker voice coil response external circuit, is acted in magnetic gap by Ampere force, and is vibrated.Voice coil loudspeaker voice coil band
Dynamic diaphragm oscillations, to send sound.
The loudspeaker monomer uses vibrating diaphragm provided by the utility model.The loudspeaker monomer has that distortion is small, sound effect
Well, the characteristics of good reliability.
In addition, the service life length of the loudspeaker monomer.
According to another embodiment of the present utility model, there is provided a kind of electronic equipment.Electronic equipment can be but not office
It is limited to game machine, mobile phone, tablet personal computer, notebook computer, wearable device, intelligent box, intercom etc..The electronic equipment bag
Include loudspeaker monomer provided by the utility model.
The electronic equipment has the characteristics of sound effect is good, and service life is long.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
- A kind of 1. vibrating diaphragm for loudspeaker, it is characterised in that including be combined with each other the first silastic-layer (11), synthesis rubber Glue-line (17) and the second silastic-layer (12), the synthetic rubber layer (17) are located at first silastic-layer (11) and described Between two silastic-layers (12), the synthetic rubber layer (17), fissipation factor >=0.15 of the synthetic rubber layer.
- 2. vibrating diaphragm according to claim 1, it is characterised in that first silastic-layer (11), the synthetic rubber layer (17) at least one thickness and in second silastic-layer (12) is 5-100 μm.
- 3. vibrating diaphragm according to claim 1, it is characterised in that the span of the fissipation factor of the synthetic rubber is 0.2-1.5。
- 4. vibrating diaphragm according to claim 1, it is characterised in that the synthetic rubber layer is by ethylene propylene diene rubber, butyl rubber Glue, nitrile rubber, ACM, ethylene-acrylate rubber or fluorubber are made.
- 5. vibrating diaphragm according to claim 1, it is characterised in that in the binding face of first silastic-layer (11) and described One of them of the binding face of synthetic rubber layer (17) is provided with lug boss (16), and another is provided with depressed part, the projection Portion (16) is inserted in the depressed part；And/orSecond silastic-layer (12) binding face and the synthetic rubber layer (17) binding face one of setting There is lug boss (16), another is provided with depressed part, and the lug boss (16) is inserted in the depressed part.
- 6. vibrating diaphragm according to claim 1, it is characterised in that the vibrating diaphragm includes central part (13), around the center The ring portion (14) and the connecting portion (15) around the ring portion (14) setting that portion (13) is set.
- 7. vibrating diaphragm according to claim 6, it is characterised in that be provided with the ring portion (14) by close to the center The beading (19) that laterally closer connecting portion (15) side in portion (13) one extends obliquely.
- 8. vibrating diaphragm according to claim 6, it is characterised in that the vibrating diaphragm is rectangle, and the ring portion (14) is rectangle, Four corners of the ring portion (14) are provided with the decorative pattern (18) from central part (13) to external radiation.
- 9. a kind of loudspeaker monomer, it is characterised in that including the vibrating diaphragm as described in any one in claim 1-8.
- 10. a kind of electronic equipment, it is characterised in that including loudspeaker monomer as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720796931.6U CN207070312U (en) | 2017-07-03 | 2017-07-03 | Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720796931.6U CN207070312U (en) | 2017-07-03 | 2017-07-03 | Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker |
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| Publication Number | Publication Date |
|---|---|
| CN207070312U true CN207070312U (en) | 2018-03-02 |
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ID=61508042
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| CN201720796931.6U Active CN207070312U (en) | 2017-07-03 | 2017-07-03 | Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110283389A (en) * | 2019-06-14 | 2019-09-27 | 歌尔股份有限公司 | A kind of vibrating diaphragm and sounding device of sounding device |
| CN110708638A (en) * | 2019-10-31 | 2020-01-17 | 歌尔股份有限公司 | Vibrating diaphragm for miniature sound generating device and miniature sound generating device |
| CN110708634A (en) * | 2019-10-31 | 2020-01-17 | 歌尔股份有限公司 | Sound generating device's vibrating diaphragm and sound generating device |
| CN110951172A (en) * | 2019-10-31 | 2020-04-03 | 歌尔股份有限公司 | Sound generating device's vibrating diaphragm and sound generating device |
| CN110958544A (en) * | 2019-11-11 | 2020-04-03 | 歌尔股份有限公司 | Composite vibrating diaphragm for sound production device and sound production device |
| CN112261548A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Vibrating diaphragm and sound production device |
| WO2021082239A1 (en) * | 2019-10-31 | 2021-05-06 | 歌尔股份有限公司 | Vibration diaphragm for miniature sound-producing device and miniature sound-producing device |
| CN114989615A (en) * | 2022-05-25 | 2022-09-02 | 歌尔股份有限公司 | Vibrating diaphragm of sound production device, preparation method of vibrating diaphragm and sound production device |
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2017
- 2017-07-03 CN CN201720796931.6U patent/CN207070312U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283389A (en) * | 2019-06-14 | 2019-09-27 | 歌尔股份有限公司 | A kind of vibrating diaphragm and sounding device of sounding device |
| US11800288B2 (en) | 2019-06-14 | 2023-10-24 | Goertek Inc. | Diaphragm for sound generating device and sound generating device |
| CN110708638A (en) * | 2019-10-31 | 2020-01-17 | 歌尔股份有限公司 | Vibrating diaphragm for miniature sound generating device and miniature sound generating device |
| CN110708634A (en) * | 2019-10-31 | 2020-01-17 | 歌尔股份有限公司 | Sound generating device's vibrating diaphragm and sound generating device |
| CN110951172A (en) * | 2019-10-31 | 2020-04-03 | 歌尔股份有限公司 | Sound generating device's vibrating diaphragm and sound generating device |
| WO2021082247A1 (en) * | 2019-10-31 | 2021-05-06 | 歌尔股份有限公司 | Vibrating diaphragm of sound generation device and sound generation device |
| WO2021082239A1 (en) * | 2019-10-31 | 2021-05-06 | 歌尔股份有限公司 | Vibration diaphragm for miniature sound-producing device and miniature sound-producing device |
| CN110958544A (en) * | 2019-11-11 | 2020-04-03 | 歌尔股份有限公司 | Composite vibrating diaphragm for sound production device and sound production device |
| CN110958544B (en) * | 2019-11-11 | 2021-01-15 | 歌尔股份有限公司 | Composite vibrating diaphragm for sound production device and sound production device |
| CN112261548A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Vibrating diaphragm and sound production device |
| CN114989615A (en) * | 2022-05-25 | 2022-09-02 | 歌尔股份有限公司 | Vibrating diaphragm of sound production device, preparation method of vibrating diaphragm and sound production device |
| CN114989615B (en) * | 2022-05-25 | 2023-12-22 | 歌尔股份有限公司 | Vibrating diaphragm of sound generating device, manufacturing method of vibrating diaphragm and sound generating device |
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