CN207053756U - Vibrating diaphragm and loudspeaker monomer - Google Patents
Vibrating diaphragm and loudspeaker monomer Download PDFInfo
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- CN207053756U CN207053756U CN201720803422.1U CN201720803422U CN207053756U CN 207053756 U CN207053756 U CN 207053756U CN 201720803422 U CN201720803422 U CN 201720803422U CN 207053756 U CN207053756 U CN 207053756U
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- vibrating diaphragm
- ppsu
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- elastomer layer
- elastomer
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Abstract
The utility model discloses a kind of vibrating diaphragm and loudspeaker monomer.The vibrating diaphragm includes PPSU layers and elastomer layer, the PPSU layers and the elastomer layer made of PPSU and is combined with each other.The vibrating diaphragm has good resistance to elevated temperatures, resistance to tearing energy, durability and rebound performance.The loudspeaker monomer includes vibrating diaphragm provided by the utility model.
Description
Technical field
Electroacoustic switch technology field is the utility model is related to, more particularly, to a kind of vibrating diaphragm and applies the vibrating diaphragm
Loudspeaker monomer.
Background technology
At present, Microspeaker widely uses polyether-ether-ketone (PEEK), PEI (PEI), polyimides (PI), poly-
The composite of the engineering plastics such as aromatic ester (PAR) and glued membrane is as vibrating diaphragm.But with the continuous hair of the acoustic product market demand
Exhibition, people propose higher requirement to loudspeaker acoustical behavior and reliability.For example, the running power of loudspeaker requires more next
Higher, the duration of runs requires increasingly longer.This needs vibrating diaphragm to bear high temperature and is not easy to tear under big load.It is and existing
The performances such as the resistance to elevated temperatures of vibrating diaphragm, resistance to tearing, durability, resilience can not meet the requirement of acoustics and reliability.
Utility model content
A purpose of the present utility model is to provide a kind of new solution of vibrating diaphragm.
According to first aspect of the present utility model, there is provided a kind of vibrating diaphragm.The vibrating diaphragm is included made of PPSU
PPSU layers and elastomer layer, the PPSU layers and the elastomer layer are combined with each other.
Alternatively, the elastomer layer is thermoplastic elastomer.
Alternatively, the elastomer layer by polyurethane elastomer, polyester elastomer, polyamide-based elastomer or
Polyolefin elastomer is made.
Alternatively, the elastomer layer is TPV layer.
Alternatively, the thickness of the PPSU layers is 2-30 μm.
Alternatively, the PPSU layers and the elastomer layer are compound by way of hot pressing.
Alternatively, the modulus of elasticity of the PPSU layers is more than or equal to 1000MPa, and is less than or equal to 2500MPa.
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, and the voice coil loudspeaker voice coil being fixed on below vibrating diaphragm.
Alternatively, the vibrating diaphragm includes central part and around the ring portion of central part, the central part and the ring portion
By PPSU layers and the compound composition of elastomer layer；Or only central part is by the PPSU layers and the elastomer layer is compound forms；
Or only described ring portion is by the PPSU layers and the elastomer layer is compound forms.
Alternatively, the PPSU layers are located at the lower section of the vibrating diaphragm, the PPSU layers and the voice coil loudspeaker voice coil secure bond.
Inventor of the present utility model has found that in the prior art, the acoustical behavior and reliability of vibrating diaphragm can not meet to raise
The requirement of sound device monomer.Therefore, the technical assignment or technical problem to be solved that the utility model to be realized are abilities
It is that field technique personnel never expect or it is not expected that, therefore the utility model is a kind of new technical scheme.
In embodiment of the present utility model, the PPSU layers as made from PPSU (PPSU), vibrating diaphragm can be significantly improved
Resistance to elevated temperatures, resistance to tearing energy and durability, this causes the acoustical behavior of vibrating diaphragm and reliability to improve.
In addition, this material can reduce the diaphagras of vibrating diaphragm so that vibrating diaphragm can be normal under bigger power
Work.
In addition, elastomer layer can improve the resilience of vibrating diaphragm.
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
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 is the sectional view according to the vibrating diaphragm of the utility model one embodiment.
Description of reference numerals：
11：PPSU layers；12：Elastomer layer.
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, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus 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.
Fig. 1 is the sectional view according to the vibrating diaphragm of the utility model one embodiment.
According to one embodiment of the present utility model, there is provided a kind of vibrating diaphragm.For example, vibrating diaphragm is ring vibrating diaphragm or plane
Structure vibrating diaphragm.The vibrating diaphragm is used for loudspeaker monomer.
As shown in figure 1, the vibrating diaphragm includes being made by PPSU (PPSU, Polyphenylene Sulfone resins)
Into PPSU layers 11, elastomer layer 12.PPSU layers 11 and elastomer layer 12 are combined with each other.
Specifically, vibrating diaphragm is combined by double-layer filmses, to form composite bed, is respectively made by PPSU (PPSU)
Into PPSU layers 11 and elastomer layer 12.
Elastomer layer 12 has good rebound performance, and vibrating diaphragm resilience in vibration can be made good, prevent vibrating diaphragm
Plastic deformation.
The chemical constitution of PPSU (PPSU) material is：
PPSU is to be joined directly together to form conjugated structure by two phenyl ring.It is enough that the molecular structure possesses material
Rigidity.
In addition, the presence of ehter bond substantially improves the compliance of molecule so that the toughness of the film after shaping improves, breach
Sensitiveness reduces.This causes film to be not easy to be torn.The modulus of elasticity for the film that PPSU (PPSU) is made is 1000MPa
(megapascal (MPa)) -2500MPa；Glass transition temperature is 180-240 DEG C；Elongation at break is more than or equal to 80%.PPSU this
A little performances are above the skin-material used at present.
The PPSU layers 11 as made from PPSU (PPSU), resistance to elevated temperatures, the resistance to tearing of vibrating diaphragm can be significantly improved
Energy and durability, this causes the vibration performance of vibrating diaphragm and reliability to improve.
In addition, this material can reduce the diaphagras of vibrating diaphragm so that vibrating diaphragm can be normal under bigger power
Work.
In addition, if the vibrating diaphragm of planar structure, when being installed in loudspeaker monomer, due to vibrating diaphragm two top layers all
With good physical property, therefore need not distinguish between the positive and negative of vibrating diaphragm.
Preferably, when vibrating diaphragm is assembled to loudspeaker monomer, top layer is close to magnetic as made from PPSU (PPSU)
Road system.The top layer is directly connected with voice coil loudspeaker voice coil.The heat resistance on the top layer is good, during long-term use, can bear by
Heat caused by voice coil loudspeaker voice coil.
Optionally, elastomer layer 12 is thermoplastic elastomer (TPE).
Further, elastomer layer 12 is by polyurethane elastomer (TPU), polyester elastomer (TPEE), polyamide-based
One or more in elastomer (TPAE) or polyolefin elastomer (POE) are made.Or elastomer layer 12 is thermoplastic
Property vulcanization rubber (TPV).The resilience of this different materials is worked well, and vibrating diaphragm can be made to possess good resilience.
For example, any one or more of above-mentioned material, elastomer layer 12 is formed using the method for injection molding.
Preferably, the thickness of PPSU layers 11 is 2-30 μm.The thickness range can make vibrating diaphragm have good heat-resisting quantity
Energy, resistance to tearing energy, durability and resilience.
Further, the thickness of elastomer layer 12 is also 2-30 μm.
For example, two layers are all film.The film of the thickness range is easily molded, and difficulty of processing is low.
It should be noted that the power of loudspeaker is bigger, then the thickness of PPSU layers 11 and elastomer layer 12 is bigger；Conversely,
Power of loudspeaker is smaller, then the thickness of PPSU layers 11 and elastomer layer 12 is smaller.
The thickness that those skilled in the art can set PPSU layers 11 and elastomer layer 12 according to being actually needed.
Preferably, PPSU layers 11 and elastomer layer 12 are compound by way of hot pressing.The complex method of this hot pressing, tool
The characteristics of being connected firmly.
Preferably, in the compound tense by way of hot pressing, compound temperature is 100-150 DEG C.The temperature can guarantee that good
Good fitting effect.
In addition, the binding temperature will not cause to damage to PPSU layers 11 and elastomer layer 12.
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, and the voice coil loudspeaker voice coil being fixed on below vibrating diaphragm.
Further, the vibrating diaphragm includes central part and around the ring portion of central part.Central part and ring portion can have
PPSU layers and the compound composition of elastomer layer.Or only it is that central part is formed by PPSU layers and elastomer layer are compound.Or only be folding
Ring portion is formed by PPSU layers and elastomer layer are compound.
Further, PPSU layers and elastomer layer compound tense, PPSU layers are located at the lower section of elastomer layer, are, PPSU layers
Positioned at the lower section of vibrating diaphragm, PPSU layers and voice coil loudspeaker voice coil secure bond.So, the heat resistance of PPSU layers is good, in long-term use
During, the heat as caused by voice coil loudspeaker voice coil can be born.
Optionally, loudspeaker monomer is moving-coil type monomer or moving-iron type monomer.For convenience of explanation, in the embodiment
In, by taking moving-coil type monomer as an example.
In this example embodiment, vibrating diaphragm is ring vibrating diaphragm.Ring vibrating diaphragm is connected with voice coil loudspeaker voice coil, to form vibration component.Loudspeaker list
Body also includes magnetic circuit component.Vibrating diaphragm is suspended above above magnetic circuit component.In the magnetic gap of voice coil loudspeaker voice coil insertion magnetic circuit component.
Voice coil loudspeaker voice coil receives the ac signal of external circuit, is vibrated in the magnetic field of magnetic circuit component.Voice coil loudspeaker voice coil drives vibrating diaphragm
Vibration, to send sound.
The loudspeaker monomer has the characteristics of good tolerance, sound effect is good.
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 example above 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, it is characterised in that：Including PPSU layers and elastomer layer made of PPSU, the PPSU layers It is combined with each other with the elastomer layer.
- 2. vibrating diaphragm according to claim 1, it is characterised in that：The elastomer layer is thermoplastic elastomer.
- 3. vibrating diaphragm according to claim 2, it is characterised in that：The elastomer layer is by polyurethane elastomer, polyesters Elastomer, polyamide-based elastomer or polyolefin elastomer are made.
- 4. vibrating diaphragm according to claim 2, it is characterised in that：The elastomer layer is TPV layer.
- 5. vibrating diaphragm according to claim 1, it is characterised in that：The thickness of the PPSU layers is 2-30 μm.
- 6. vibrating diaphragm according to claim 1, it is characterised in that：The side that the PPSU layers pass through hot pressing with the elastomer layer Formula is compound.
- 7. vibrating diaphragm according to claim 1, it is characterised in that：The modulus of elasticity of the PPSU layers is more than or equal to 1000MPa, And it is less than or equal to 2500MPa.
- A kind of 8. loudspeaker monomer, it is characterised in that：Including the vibrating diaphragm as described in any one of claim 1-7, Yi Jigu Voice coil loudspeaker voice coil below vibrating diaphragm.
- 9. loudspeaker monomer according to claim 8, it is characterised in that：The vibrating diaphragm include central part and around the ring portion of central part, the central part and the ring portion by PPSU layers and The compound composition of elastomer layer；Or only central part is by the PPSU layers and the elastomer layer is compound forms；Or only described folding Ring portion is by the PPSU layers and the elastomer layer is compound forms.
- 10. loudspeaker monomer according to claim 9, it is characterised in that：The PPSU layers are located at the lower section of the vibrating diaphragm, the PPSU layers and the voice coil loudspeaker voice coil secure bond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803422.1U CN207053756U (en) | 2017-07-04 | 2017-07-04 | Vibrating diaphragm and loudspeaker monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803422.1U CN207053756U (en) | 2017-07-04 | 2017-07-04 | Vibrating diaphragm and loudspeaker monomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053756U true CN207053756U (en) | 2018-02-27 |
Family
ID=61495017
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720803422.1U Active CN207053756U (en) | 2017-07-04 | 2017-07-04 | Vibrating diaphragm and loudspeaker monomer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545505A (en) * | 2019-08-19 | 2019-12-06 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110691307A (en) * | 2019-09-29 | 2020-01-14 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110691306A (en) * | 2019-09-29 | 2020-01-14 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110708644A (en) * | 2019-09-29 | 2020-01-17 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110784810A (en) * | 2019-09-29 | 2020-02-11 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| US12035121B2 (en) | 2019-09-29 | 2024-07-09 | Goertek Inc. | Conductive film for a sound generation device and the sound generation device |
-
2017
- 2017-07-04 CN CN201720803422.1U patent/CN207053756U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545505A (en) * | 2019-08-19 | 2019-12-06 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| WO2021031496A1 (en) * | 2019-08-19 | 2021-02-25 | 歌尔股份有限公司 | Conductive film for sound producing apparatus and sound producing apparatus |
| CN110691307A (en) * | 2019-09-29 | 2020-01-14 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110691306A (en) * | 2019-09-29 | 2020-01-14 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110708644A (en) * | 2019-09-29 | 2020-01-17 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110784810A (en) * | 2019-09-29 | 2020-02-11 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN110784810B (en) * | 2019-09-29 | 2021-03-30 | 歌尔科技有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| WO2021058013A1 (en) * | 2019-09-29 | 2021-04-01 | 歌尔股份有限公司 | Conductive film for sound producing device, and sound producing device |
| WO2021058006A1 (en) * | 2019-09-29 | 2021-04-01 | 歌尔股份有限公司 | Conductive film for sound production device and sound production device |
| US11956610B2 (en) | 2019-09-29 | 2024-04-09 | Goertek Inc. | Conductive film for a sound generation device and the sound generation device |
| US12035121B2 (en) | 2019-09-29 | 2024-07-09 | Goertek Inc. | Conductive film for a sound generation device and the sound generation device |
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