CN107592595A - A kind of composite membrane for acoustic apparatus - Google Patents
A kind of composite membrane for acoustic apparatus Download PDFInfo
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- CN107592595A CN107592595A CN201710660070.3A CN201710660070A CN107592595A CN 107592595 A CN107592595 A CN 107592595A CN 201710660070 A CN201710660070 A CN 201710660070A CN 107592595 A CN107592595 A CN 107592595A
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- layer
- composite membrane
- acoustic apparatus
- substrate layer
- thermoplastic
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Abstract
The present invention relates to a kind of composite membrane for acoustic apparatus; including first layer, the second layer, substrate layer and protective layer, it is connected to first layer, and wherein the second layer is than the first thickness; and the second layer is made up of soft material, even if the soft hardness that composite membrane is nor affected on to the sufficiently thick second layer；Wherein the Young's modulus value of the second layer between 20 DEG C Dao+85 DEG C within the temperature range of change be no more than 30%; described substrate layer is arranged between first layer and the second layer; the substrate layer has first surface and the second surface relative with the first surface; it is characterized in that; the composite diaphragm also includes the poly (ether ether ketone) film pasted on the first surface and the TPUE being covered on the second surface, shows to be both provided with protective layer under the upper surface of described first layer and the second layer.
Description
Technical field
The present invention relates to a kind of technical field of acoustics, more particularly to a kind of composite membrane for acoustic apparatus.
Background technology
At present, loudspeaker and/or microphone often include composite membrane, and composite membrane is substantially the combination or only of different material layer
It is the mixing of different materials.
JP04-042699 discloses a kind of vibrating membrane for being used for loudspeaker made of synthetic material, and the synthetic material is
Thermoplastic synthetic resin fiber with high glass transition and the thermoplasticity synthesis tree with relatively low glass transition temperature
The synthetic of fat fiber, both thermoplastic synthetic resin fibers are that two kinds be heated in forming process have different glass
The raw material of inversion temperature.That is, the glass transition temperature of synthetic will take the value between each glass transition temperature, and
And the larger internal loss compared with the situation for being thoroughly mixed two kinds of synthetic resin with more wide temperature range can be obtained.
The content of the invention
It is an object of the invention to provide a kind of composite membrane for acoustic apparatus, to solve above-mentioned technical problem.
To solve above-mentioned technical problem, the present invention provides a kind of composite membrane for acoustic apparatus, it is characterised in that：Bag
Include
First layer；
The second layer, it is connected to first layer, and wherein the second layer is than the first thickness, and the second layer is made up of soft material, soft
Even if the hardness of composite membrane is nor affected on to the sufficiently thick second layer；Wherein the Young's modulus value of the second layer is at -20 DEG C to+85 DEG C
Between within the temperature range of change be no more than 30%,
Substrate layer, described substrate layer are arranged between first layer and the second layer, the substrate layer have first surface and
The second surface relative with the first surface, it is characterised in that the composite diaphragm also includes pasting on the first surface
Poly (ether ether ketone) film and the TPUE that is covered on the second surface,
Protective layer, show to be both provided with protective layer under the upper surface of described first layer and the second layer.
Further：The second layer includes thermoplastic, or the second layer is made up of thermoplastic.
Further：The thermoplastic is polyurethane.
Further：The composite membrane, it also includes the glue layer being separately positioned on the first surface and second surface,
The poly (ether ether ketone) film and the TPUE are covered in the first surface by the glue layer respectively
On second surface.
Further：The substrate layer is polyester film material.
Further：The substrate layer is benzene dicarboxylic acid butanediol ester.
The beneficial effects of the present invention are：Acoustic equipment can be implemented as by handheld sound playback system, wearable dress
Put, near field sounds playback system, head phone, earphone, portable audio player, audio surrounding system, mobile phone,
Headset, audiphone, Handless system, television equipment, TV set audio player, video recorder, monitor, trip
Theatrical costume is put, laptop computer, DVD player, CD Player, the media player based on hard disk, internet radio apparatus, public
Entertainment device, MP3 player, hi-fi systems, the entertainment device on the vehicles, car entertainment device, medical communication system,
Voice communication system, household audio and video system, home theater system, flat panel TV equipment, scenery device and music hall system institute
It is at least one in the group of composition.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention.
Embodiment
A kind of composite membrane for acoustic apparatus as shown in Figure 1, including
First layer 101,
The second layer 102, it is connected to first layer 101, the wherein thickness of the second layer 102 to the first, and the second layer is by softwood
Material is formed, even if the soft hardness that composite membrane is nor affected on to the sufficiently thick second layer；Wherein the Young's modulus value of the second layer is -20
DEG C arrive+85 DEG C between within the temperature range of change be no more than 30%,
Substrate layer 200, the substrate layer have first surface and the second surface relative with the first surface, its feature
It is, the composite diaphragm also includes the poly (ether ether ketone) film pasted on the first surface and is covered on the second surface
TPUE,
Protective layer, show to be both provided with protective layer under the upper surface of described first layer and the second layer.
The above-mentioned second layer includes thermoplastic 203, or the second layer is made up of thermoplastic.
Above-mentioned thermoplastic 201 is polyurethane.
The composite membrane, it also includes the glue layer being separately positioned on the first surface and second surface, the polyethers
Ether ketone film and the TPUE are covered in the first surface and the second table by the glue layer respectively
On face.
Above-mentioned substrate layer is polyester film material.
Above-mentioned substrate layer is benzene dicarboxylic acid butanediol ester.
Claims (6)
- A kind of 1. composite membrane for acoustic apparatus, it is characterised in that：IncludingFirst layer；The second layer, it is connected to first layer, and the wherein second layer is than the first thickness, and the second layerIt is made up of soft material, even if the soft hardness that composite membrane is nor affected on to the sufficiently thick second layer；The wherein Young of the second layer Modulus value between -20 DEG C to+85 DEG C within the temperature range of change be no more than 30%,Substrate layer, described substrate layer are arranged between first layer and the second layer, the substrate layer have first surface and with institute State the relative second surface of first surface, it is characterised in that the composite diaphragm also includes pasting on the first surface poly- Ether ether ketone film and the TPUE being covered on the second surface,Protective layer, show to be both provided with protective layer under the upper surface of described first layer and the second layer.
- A kind of 2. composite membrane for acoustic apparatus according to claim 1, it is characterised in that：The second layer includes thermoplasticity Material, or the second layer are made up of thermoplastic.
- A kind of 3. composite membrane for acoustic apparatus according to claim 1, it is characterised in that：The thermoplastic is Polyurethane.
- A kind of 4. composite membrane for acoustic apparatus according to claim 1, it is characterised in that：The composite membrane, it is also wrapped Include the glue layer being separately positioned on the first surface and second surface, the poly (ether ether ketone) film and the thermoplastic poly ammonia Ester elastomer is pasted on over the first surface and the second surface by the glue layer respectively.
- A kind of 5. composite membrane for acoustic apparatus according to claim 1, it is characterised in that：The substrate layer is polyester Membrane material.
- A kind of 6. composite membrane for acoustic apparatus according to claim 1, it is characterised in that：The substrate layer is benzene two Formic acid butanediol ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660070.3A CN107592595A (en) | 2017-08-04 | 2017-08-04 | A kind of composite membrane for acoustic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660070.3A CN107592595A (en) | 2017-08-04 | 2017-08-04 | A kind of composite membrane for acoustic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107592595A true CN107592595A (en) | 2018-01-16 |
Family
ID=61041909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710660070.3A Pending CN107592595A (en) | 2017-08-04 | 2017-08-04 | A kind of composite membrane for acoustic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107592595A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536542A (en) * | 2006-11-08 | 2009-09-16 | Nxp股份有限公司 | Acoustic device and method of manufacturing the same |
| CN101536543A (en) * | 2006-11-08 | 2009-09-16 | Nxp股份有限公司 | Compound membrane, method of manufacturing the same, and acoustic device |
| CN203446015U (en) * | 2013-08-15 | 2014-02-19 | 瑞声光电科技(常州)有限公司 | Composite vibrating diaphragm |
| CN203937277U (en) * | 2014-06-05 | 2014-11-12 | 北京恒利安科技发展有限公司 | The structure of composite membrane |
| CN205167766U (en) * | 2014-12-10 | 2016-04-20 | 张家港市宏裕人造革有限公司 | Water -resistant air -permeable polyurethane composite film |
| CN106537636A (en) * | 2014-07-16 | 2017-03-22 | 凸版印刷株式会社 | Casing material for electricity storage device and electricity storage device including same |
-
2017
- 2017-08-04 CN CN201710660070.3A patent/CN107592595A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536542A (en) * | 2006-11-08 | 2009-09-16 | Nxp股份有限公司 | Acoustic device and method of manufacturing the same |
| CN101536543A (en) * | 2006-11-08 | 2009-09-16 | Nxp股份有限公司 | Compound membrane, method of manufacturing the same, and acoustic device |
| CN106303846A (en) * | 2006-11-08 | 2017-01-04 | 奥音科技（北京）有限公司 | Composite membrane, the method manufacturing composite membrane and acoustic apparatus |
| CN203446015U (en) * | 2013-08-15 | 2014-02-19 | 瑞声光电科技(常州)有限公司 | Composite vibrating diaphragm |
| CN203937277U (en) * | 2014-06-05 | 2014-11-12 | 北京恒利安科技发展有限公司 | The structure of composite membrane |
| CN106537636A (en) * | 2014-07-16 | 2017-03-22 | 凸版印刷株式会社 | Casing material for electricity storage device and electricity storage device including same |
| CN205167766U (en) * | 2014-12-10 | 2016-04-20 | 张家港市宏裕人造革有限公司 | Water -resistant air -permeable polyurethane composite film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180116 |
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| RJ01 | Rejection of invention patent application after publication |