CN206658291U - Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm - Google Patents
Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm Download PDFInfo
- Publication number
- CN206658291U CN206658291U CN201620918071.4U CN201620918071U CN206658291U CN 206658291 U CN206658291 U CN 206658291U CN 201620918071 U CN201620918071 U CN 201620918071U CN 206658291 U CN206658291 U CN 206658291U
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- thermoplastic elastomer
- acoustic generator
- minitype acoustic
- utility
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm, it is related to electro-acoustic product technical field, the vibrating diaphragm is multi-layer compound structure, the multi-layer compound structure includes the plastic basis material layer and thermoplastic elastomer being combined with each other, and the material of the thermoplastic elastomer includes styrenic based thermoplastic elastomer.The utility model vibrating diaphragm and minitype acoustic generator provided with the vibrating diaphragm solve vibrating diaphragm poor performance in the prior art, the technical problems such as complex manufacturing technology, the vibrating diaphragm performance of the utility model vibrating diaphragm and minitype acoustic generator provided with the vibrating diaphragm is high, minitype acoustic generator distortion can be effectively reduced, the sound quality of minitype acoustic generator is improved, disclosure satisfy that requirement of the people to electronic equipment high-performance, loud sound quality.
Description
Technical field
Electro-acoustic product technical field is the utility model is related to, more particularly to a kind of compound vibrating diaphragm and provided with the micro- of the vibrating diaphragm
Type acoustical generator.
Background technology
Minitype acoustic generator is a kind of important acoustic element in portable electric appts, for sound wave electric signal to be converted into
Voice signal is spread out of, and is a kind of energy conversion device.Minitype acoustic generator generally includes vibrational system and magnetic circuit system, vibrational system
Including the vibrating diaphragm and voice coil loudspeaker voice coil being combined together, vibrating diaphragm includes edge part, ring portion and the top dome portion that ecto-entad combines successively, shakes
Film is the important component of minitype acoustic generator, and the sound reproduction performance to minitype acoustic generator has vital effect, and it determines micro-
Type acoustical generator by electric energy to acoustic energy conversion quality.
To ensure the tonequality of minitype acoustic generator low-frequency band and high frequency band, designer often selects the plastics base of high-modulus
Material layer (PEEK, PAR, PEI, PI etc.) is compounded to form the vibrating diaphragm of composite construction with soft TPUE (TPU),
To ensure shake film strength and toughness, but such a vibrating diaphragm compound by plastic basis material layer and TPUE damps
Property is poor, it is difficult to meets the performance requirement of minitype acoustic generator.In order to improve the damping and amortization of vibrating diaphragm, designer can be in plastic basis material
Layer and increase damping glue-line on the basis of TPUE, although improving damping and amortization after increase damping glue-line,
It is that manufacture craft becomes more complicated, production cost also increases accordingly.
Utility model content
For disadvantages described above, first technical problem to be solved in the utility model is to provide a kind of vibrating diaphragm, this vibrating diaphragm
On the premise of it ensure that shake film strength and toughness, damping characteristic is higher, reduces distortion, improves the sound of minitype acoustic generator
Sound quality；Manufacture craft is simple simultaneously, and production cost is low.
Conceived based on same utility model, second technical problem to be solved in the utility model is to provide a kind of micro-
Type acoustical generator, this minitype acoustic generator distortion is small, and sound quality is high, disclosure satisfy that people want to the loud sound quality of electronic equipment
Ask.
To solve above-mentioned first technical problem, the technical solution of the utility model is：
A kind of vibrating diaphragm, the vibrating diaphragm are multi-layer compound structure, and the multi-layer compound structure includes the plastics being combined with each other
Substrate layer and thermoplastic elastomer, the material of the thermoplastic elastomer include styrenic based thermoplastic elastomer.
Wherein, damping glue-line is provided between the plastic basis material layer and the thermoplastic elastomer.
Wherein, the thermoplastic elastomer is for styrenic based thermoplastic elastomer film or by the styrene-based thermoplastic
Elastomer is mixed with one or more processes in PEEK, PAR, PP, PS, TPEE, TPU, TPAE, TPO and TPV or coextrusion process
Manufactured polymer alloy membrane or co-extruded films.
Wherein, the styrenic based thermoplastic elastomer includes polystyrene-poly isobutene-polystyrene triblock copolymer
Thing, polystyrene-hydrogenated butadiene polymer-polystyrene triblock copolymer, polystyrene-hydrogenated polyisoprene-polyphenyl second
One in alkene triblock copolymer and polystyrene-hydrogenated butadiene/isoprene copolymer-polystyrene triblock copolymer
Kind is a variety of.
Wherein, the thickness of the thermoplastic elastomer is 5 μm~100 μm.
Wherein, the Young's modulus of the thermoplastic elastomer is 0MPa~1000MPa.
Wherein, the fissipation factor peak value of the thermoplastic elastomer is more than 0.1.
Wherein, the long-term heat resisting temperature of the thermoplastic elastomer is 60 DEG C~300 DEG C.
Wherein, the thickness of the vibrating diaphragm is 5 μm~200 μm.
To solve above-mentioned second technical problem, the technical solution of the utility model is：
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, what the vibrational system included being combined together shakes
Film and voice coil loudspeaker voice coil, the vibrating diaphragm are above-mentioned vibrating diaphragm.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Because the utility model vibrating diaphragm is by the thermoplastic elastomer containing styrenic based thermoplastic elastomer and plastics base
Material layer is combined, and styrenic based thermoplastic elastomer has excellent tensile strength, big surface friction coefficient, low temperature properties
Good, the characteristics such as processing characteristics is good of energy, shake film strength and toughness are being ensure that by itself and the vibrating diaphragm that plastic basis material layer is compounded to form
On the premise of, the damping characteristic of vibrating diaphragm is improved, effectively reduces distortion, improves the acoustical behavior of minitype acoustic generator；Together
When manufacture craft it is simple, production cost is low.
Due to having additional damping glue-line between plastic basis material layer and thermoplastic elastomer, vibrating diaphragm is further enhanced
Damping characteristic, improve the performance of vibrating diaphragm.
Because the vibrating diaphragm of the utility model minitype acoustic generator is above-mentioned vibrating diaphragm, so as to which sound quality is higher, distortion is small, can
Meet requirement of the people to electronic equipment high-performance, loud sound quality.
In summary, the utility model vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm solve vibrating diaphragm in the prior art
The vibrating diaphragm performance of poor, the technical problem such as complex manufacturing technology of energy, the utility model vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm
Height, minitype acoustic generator distortion can be effectively reduced, improve the sound quality of minitype acoustic generator, disclosure satisfy that people to electronics
The requirement of equipment high-performance, loud sound quality.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the vibrating diaphragm of the utility model embodiment one；
Fig. 2 is the cross-sectional view of the vibrating diaphragm of the utility model embodiment two；
In figure：10th, plastic basis material layer, 20, thermoplastic elastomer, 30, damping glue-line.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
Embodiment one：
As shown in figure 1, a kind of vibrating diaphragm, including positioned at the top dome portion in centre and it is looped around the ring of ball top peripheral
Portion.The vibrating diaphragm is multi-layer compound structure, and this multi-layer compound structure includes plastic basis material layer 10 and the thermoplastic elastomehc being combined with each other
Property body layer 20, the material of thermoplastic elastomer 20 includes styrenic based thermoplastic elastomer, the gross thickness of this vibrating diaphragm for 5 μm~
200μm。
As shown in figure 1, styrenic based thermoplastic elastomer is total to including polystyrene-poly isobutene-polystyrene three block
Polymers, polystyrene-hydrogenated butadiene polymer-polystyrene triblock copolymer, polystyrene-hydrogenated polyisoprene-polyphenyl
In ethene triblock copolymer and polystyrene-hydrogenated butadiene/isoprene copolymer-polystyrene triblock copolymer
It is one or more.Thermoplastic elastomer 20 is the styrenic based thermoplastic elastomer film made of above-mentioned material, or by upper
State styrenic based thermoplastic elastomer material and other high polymers through mixing or coextrusion process made of polymer alloy membrane or
Co-extruded films, wherein, the mass fraction of styrenic based thermoplastic elastomer is 5%~100%, other high poly- in present embodiment
The preferred PEEK of thing (polyether-ether-ketone), PAR (polyarylate), PP (polypropylene), PS (polystyrene), TPEE (polyester-type thermoplastic bullets
Property body), TPU (polyurethane-type thermoplastic elastomer), TPAE (polyamide-type thermoplastic elastomer), TPO (polyolefins thermoplastics
Elastomer) and TPV (dynamic perduren/thermoplastic blends type thermoplastic elastomer (TPE)) etc. in one or more, but
It is not limited to above-mentioned several.
As shown in figure 1, the thickness of thermoplastic elastomer 20 is 5 μm~100 μm, further is preferably 5 μm~70 μm.
The Young's modulus of thermoplastic elastomer 20 is 0MPa~1000Mpa, further preferably 0MPa~500Mpa.Thermoplastic elastomehc
Property body layer 20 fissipation factor peak value be higher than 0.1, the further preferred loss peak is higher than 0.5.Thermoplastic elastomer 20
Long-term heat resisting temperature be 60 DEG C~300 DEG C, further is preferably 80 DEG C~250 DEG C.
As shown in figure 1, the material of plastic basis material layer 10 is PEEK (polyether-ether-ketone), PAR (polyarylate), PEI (polyetherimides
Amine), PI (polyimides), PPS (polyphenylene sulfide), PEN (PEN), PET (polyethylene terephthalates
Ester) and PBT (polybutylene terephthalate (PBT)) etc. in one or more.
Embodiment two：
Present embodiment and embodiment one are essentially identical, and its difference is：
As shown in Fig. 2 damping glue-line 30, present embodiment are provided between plastic basis material layer 10 and thermoplastic elastomer 20
The slightly aobvious complexity of manufacture craft compared with embodiment one, but the damping characteristic of vibrating diaphragm is higher.
The utility model vibrating diaphragm is combined by styrenic based thermoplastic elastomer layer and plastic basis material layer, is shaken ensure that
On the premise of film strength and toughness, the damping characteristic of vibrating diaphragm is improved, effectively reduces distortion, improves minitype acoustic generator
Acoustical behavior；Manufacture craft is simple simultaneously, and production cost is low.
A kind of minitype acoustic generator for including above-mentioned vibrating diaphragm, including vibrational system and magnetic circuit system, vibrational system include combining
Vibrating diaphragm and voice coil loudspeaker voice coil together, vibrating diaphragm are the vibrating diaphragm of above-mentioned multi-layer compound structure.
Because the utility model minitype acoustic generator employs above-mentioned composite diaphragm, so as to which distortion is small, sound quality is higher, energy
Enough meet requirement of the people to electronic equipment high-performance, loud sound quality.
The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art visualizes from above-mentioned
Hair, without performing creative labour, a variety of conversion made, all falls within the scope of protection of the utility model.
Claims (8)
1. vibrating diaphragm, the vibrating diaphragm is multi-layer compound structure, it is characterised in that the multi-layer compound structure includes what is be combined with each other
Plastic basis material layer and thermoplastic elastomer, the thermoplastic elastomer is for styrenic based thermoplastic elastomer film or by benzene second
Alkenyl thermoplastic elastomer (TPE) and co-extruded films made of PEEK, PAR, PP, PS, TPEE, TPU, TPAE, TPO or TPV.
2. vibrating diaphragm according to claim 1, it is characterised in that the plastic basis material layer and the thermoplastic elastomer it
Between be provided with damping glue-line.
3. vibrating diaphragm according to claim 1 or 2, it is characterised in that the thickness of the thermoplastic elastomer be 5 μm~
100μm。
4. vibrating diaphragm according to claim 1 or 2, it is characterised in that the Young's modulus of the thermoplastic elastomer is
0MPa~1000MPa.
5. vibrating diaphragm according to claim 1 or 2, it is characterised in that the fissipation factor peak value of the thermoplastic elastomer
More than 0.1.
6. vibrating diaphragm according to claim 1 or 2, it is characterised in that the long-term heat resisting temperature of the thermoplastic elastomer
For 60 DEG C~300 DEG C.
7. vibrating diaphragm according to claim 1 or 2, it is characterised in that：The thickness of the vibrating diaphragm is 5 μm~200 μm.
8. minitype acoustic generator, including vibrational system and magnetic circuit system, the vibrational system includes the vibrating diaphragm and sound being combined together
Circle, it is characterised in that the vibrating diaphragm is the vibrating diaphragm described in claim 1 to 7 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918071.4U CN206658291U (en) | 2016-08-22 | 2016-08-22 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918071.4U CN206658291U (en) | 2016-08-22 | 2016-08-22 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206658291U true CN206658291U (en) | 2017-11-21 |
Family
ID=60313071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620918071.4U Active CN206658291U (en) | 2016-08-22 | 2016-08-22 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206658291U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108276740A (en) * | 2017-12-22 | 2018-07-13 | 歌尔股份有限公司 | For the vibrating diaphragm of sound-producing device, the preparation method of vibrating diaphragm and sound-producing device |
| CN108859296A (en) * | 2018-06-15 | 2018-11-23 | 歌尔股份有限公司 | Structure of composite membrane, vibrating diaphragm and sounding device |
| CN109618269A (en) * | 2019-02-12 | 2019-04-12 | 共达电声股份有限公司 | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm |
| WO2019237602A1 (en) * | 2018-06-15 | 2019-12-19 | 歌尔股份有限公司 | Loudspeaker diaphragm and loudspeaker |
| CN114989616A (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 |
| WO2022253106A1 (en) * | 2021-05-31 | 2022-12-08 | 歌尔股份有限公司 | Diaphragm applicable to sound generating devices, and sound generating device |
-
2016
- 2016-08-22 CN CN201620918071.4U patent/CN206658291U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108276740A (en) * | 2017-12-22 | 2018-07-13 | 歌尔股份有限公司 | For the vibrating diaphragm of sound-producing device, the preparation method of vibrating diaphragm and sound-producing device |
| CN108276740B (en) * | 2017-12-22 | 2020-08-25 | 歌尔股份有限公司 | Vibrating diaphragm for sound production device, preparation method of vibrating diaphragm and sound production device |
| CN108859296A (en) * | 2018-06-15 | 2018-11-23 | 歌尔股份有限公司 | Structure of composite membrane, vibrating diaphragm and sounding device |
| WO2019237602A1 (en) * | 2018-06-15 | 2019-12-19 | 歌尔股份有限公司 | Loudspeaker diaphragm and loudspeaker |
| US11818559B2 (en) | 2018-06-15 | 2023-11-14 | Goertek Inc. | Speaker diaphragm and speaker |
| CN109618269A (en) * | 2019-02-12 | 2019-04-12 | 共达电声股份有限公司 | A kind of vibrating diaphragm and the electro-acoustic element using the vibrating diaphragm |
| WO2022253106A1 (en) * | 2021-05-31 | 2022-12-08 | 歌尔股份有限公司 | Diaphragm applicable to sound generating devices, and sound generating device |
| CN114989616A (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 |
| CN114989616B (en) * | 2022-05-25 | 2024-03-08 | 歌尔股份有限公司 | Vibrating diaphragm of sound generating device, manufacturing method of vibrating diaphragm and sound generating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206658291U (en) | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm | |
| CN203883985U (en) | Loudspeaker diaphragm | |
| US10178477B2 (en) | Vibrating diaphragm assembly | |
| WO2012137369A1 (en) | Micro-speaker oscillation plate edge material, micro-speaker oscillation plate, micro-speaker, and electronic apparatus | |
| CN105142078B (en) | Vibrating diaphragm and loudspeaker equipped with the vibrating diaphragm | |
| CN105933831A (en) | Vibrating diaphragm and micro acoustic generator equipped with vibrating diaphragm | |
| CN207070312U (en) | Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker | |
| US20160330549A1 (en) | Speaker Diaphragms and Speakers with the Same | |
| CN103916801A (en) | Composite vibrating diaphragm and manufacturing method thereof | |
| CN207053756U (en) | Vibrating diaphragm and loudspeaker monomer | |
| CN207070314U (en) | Vibrating diaphragm, loudspeaker monomer and electronic equipment for loudspeaker | |
| TW201501549A (en) | Composite for production of an acoustic membrane and acoustic membrane | |
| CN106792375B (en) | Diaphragm of loudspeaker component | |
| CN206024094U (en) | A kind of vibrating diaphragm component | |
| CN105376679A (en) | Vibration diaphragm and loudspeaker provided with same | |
| WO2009139045A1 (en) | Diaphragm edge material for microspeaker, microspeaker using the diaphragm edge material for microspeaker, and electronic equipment using the microspeaker | |
| CN205987355U (en) | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm | |
| CN108353233A (en) | Sound output device | |
| CN110677789A (en) | Composite vibration plate and loudspeaker using same | |
| CN203722806U (en) | Loudspeaker diaphragm and loudspeaker with the loudspeaker diaphragm | |
| TW201016040A (en) | Micro speaker diaphragm, the method thereof and micro speaker comprising the same diaphragm | |
| CN206136297U (en) | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm | |
| CN205754823U (en) | The diaphragm of loudspeaker | |
| KR101461410B1 (en) | Acoustic diaphragm | |
| CN205610915U (en) | Vibrating diaphragm and be equipped with micro - generator of this vibrating diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |