CN204104124U - For the composite diaphragm of loud speaker - Google Patents
For the composite diaphragm of loud speaker Download PDFInfo
- Publication number
- CN204104124U CN204104124U CN201420509970.XU CN201420509970U CN204104124U CN 204104124 U CN204104124 U CN 204104124U CN 201420509970 U CN201420509970 U CN 201420509970U CN 204104124 U CN204104124 U CN 204104124U
- Authority
- CN
- China
- Prior art keywords
- release film
- film layer
- line
- damping glue
- loud speaker
- 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.)
- Expired - Lifetime
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000013016 damping Methods 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 50
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 12
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 8
- -1 polybutylene terephthalate Polymers 0.000 claims description 8
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 8
- 229920002530 polyetherether ketone Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 7
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 7
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 7
- 239000004821 Contact adhesive Substances 0.000 claims description 6
- 239000004697 Polyetherimide Substances 0.000 claims description 5
- 229920001601 polyetherimide Polymers 0.000 claims description 5
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920003055 poly(ester-imide) Polymers 0.000 claims description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 120
- 229920001296 polysiloxane Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses the composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.Composite diaphragm of the present utility model, arranges the first damping glue-line, the second damping glue-line respectively in the both side surface of substrate layer, and therefore, the damping noise-reducing characteristic of substrate layer is strengthened, and it is applied in Music centre loudspeaker, can reduce noise, presents good acoustical quality.
Description
Technical field
The utility model relates to the composite diaphragm for loud speaker.
Background technology
How the loudspeaker of sound equipment, reduce the noise that it exports, and to reach presenting of complete message, determines final the obtained message effect of sound equipment listener; Transmit at general loudspeaker in the process of message, a vibrating diaphragm can be settled on loudspeaker, effectively transmit to enable sound.
Along with improving constantly of the market demand, mobile phone gradually to slimming future development, and requires that its sound quality is become better and better, and this just requires that the acoustical device in mobile phone is towards small-sized, slim, high tone quality development.Vibrating diaphragm is the core component of the acoustical devices such as loud speaker, also just improves the requirement of its acoustical behavior thereupon.
Vibrating diaphragm in relevant technology can be difficult to a kind of single film the transaudient effect reaching vibrating membrane loudspeaker low frequency, and composite diaphragm is following a kind of development trend.Composite diaphragm effectively can improve the damping characteristic of of monolayer material itself by the damping of the adhesive of composite bed, expand the scope of application of product.
Utility model content
The purpose of this utility model is the composite diaphragm being provided for loud speaker.
Technical solution adopted in the utility model is:
For the composite diaphragm of loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Described substrate layer is a kind of substrate layer made in PETG, polyphenylene sulfide, polyether-ether-ketone, Polyetherimide, polyesterimide, polybutylene terephthalate (PBT), nylon, polypropylene.
The thickness of described substrate layer is 4.5-24.5 μm.
The first described damping glue-line is acrylate pressure-sensitive adhesive, a kind of damping glue-line made in rubber series pressure sensitive adhesive, polyurethane contact adhesive, organic pressure-sensitive gel.
The thickness of the first described damping glue-line is 2-49.5 μm.
The second described damping glue-line is acrylate pressure-sensitive adhesive, a kind of damping glue-line made in rubber series pressure sensitive adhesive, polyurethane contact adhesive, organic pressure-sensitive gel.
The thickness of the second described damping glue-line is 2-49.5 μm.
The first described release film layer is the one in PE release film layer, PET release film layer, OPP release film layer, PC release film layer, PMMA fractal film layer, BOPP release film layer, TPX release film layer, PTFE release film.
The thickness of the first described release film layer is 12-125 μm.
The second described release film layer is the one in PE release film layer, PET release film layer, OPP release film layer, PC release film layer, PMMA fractal film layer, BOPP release film layer, TPX release film layer, PTFE release film; The thickness of the second release film layer is 12-125 μm.
The beneficial effects of the utility model are: composite diaphragm of the present utility model, in the both side surface of substrate layer, the first damping glue-line, the second damping glue-line are set respectively, therefore, the damping noise-reducing characteristic of substrate layer is strengthened, it is applied in Music centre loudspeaker, can noise be reduced, present good acoustical quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, for the composite diaphragm of loud speaker, comprise substrate layer 1, the upper surface of substrate layer 1 is provided with successively the first damping glue-line 21 and the first release film layer 31; The lower surface of substrate layer 1 is provided with successively the second damping glue-line 22 and the second release film layer 32.
Preferably, substrate layer is a kind of substrate layer made in PETG, polyphenylene sulfide, polyether-ether-ketone, Polyetherimide, polyesterimide, polybutylene terephthalate (PBT), nylon, polypropylene; Change kind of an expression way, namely substrate layer is the one in PETG layer, polyphenylene sulfide ether layer, polyether-ether-ketone layer, polyetherimide amine layer, polyester imide layer, polybutylene terephthalate (PBT) layer, nylon layer, polypropylene layer.
Preferably, the thickness of described substrate layer is 4.5-24.5 μm, further preferably, is 5-20 μm.
Preferably, the first described damping glue-line is acrylate pressure-sensitive adhesive, a kind of damping glue-line made in rubber series pressure sensitive adhesive, polyurethane contact adhesive, organic pressure-sensitive gel; Change kind of an expression way, namely the first damping glue-line is the one in acrylate pressure-sensitive adhesive layer, rubber series pressure-sensitive adhesive layer, polyurethane pressure sensitive glue-line, silicone pressure sensitive glue-line.
Preferably, the thickness of the first described damping glue-line is 2-49.5 μm; Preferred further, the thickness of the first described damping glue-line is 2-45 μm.
Preferably, the second described damping glue-line is acrylate pressure-sensitive adhesive, a kind of damping glue-line made in rubber series pressure sensitive adhesive, polyurethane contact adhesive, organic pressure-sensitive gel.
Preferably, the thickness of the second described damping glue-line is 2-49.5 μm; Preferred further, the thickness of the second described damping glue-line is 2-45 μm.
Preferably, the first described release film layer is the one in PE release film layer, PET release film layer, OPP release film layer, PC release film layer, PMMA fractal film layer, BOPP release film layer, TPX release film layer, PTFE release film; The thickness of the first described release film layer is 12-125 μm; Preferred further, be 25-100 μm.
Preferably, the second described release film layer is the one in PE release film layer, PET release film layer, OPP release film layer, PC release film layer, PMMA fractal film layer, BOPP release film layer, TPX release film layer, PTFE release film; The thickness of the second described release film layer is 12-125 μm; Preferred further, be 25-100 μm.
Below in conjunction with specific embodiment, the utility model is described further:
embodiment 1:
For a composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Substrate layer is 6 μm of thick PEEK(polyether-ether-ketones), the first damping glue-line, the second damping glue-line are 15 μm of thick acrylate pressure-sensitive adhesive layers; First release film layer, the second release film layer are 50 μm of thick PET release film layers.
The manufacture method of this composite diaphragm:
1) acrylate pressure-sensitive adhesive is uniformly coated on the upper surface of the thick PEEK of base material 6 μm by coating machine; Rubberization thickness is 15 μm;
2) PET release film thick acrylate pressure-sensitive adhesive surface recombination 50 μm after oven drying is entered and rolling;
3) acrylate pressure-sensitive adhesive is uniformly coated on the other one side of base material PEEK by coating machine; Rubberization thickness is 15 μm;
4) PET release film thick acrylate pressure-sensitive adhesive surface recombination 50 μm after oven drying is entered and rolling.
Manufacture method is common practise in the industry, and the following examples provide the structure of composite diaphragm, and repeat no more its manufacture method.
embodiment 2:
For a composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Substrate layer is 20 μm of thick PET(PETGs), the first damping glue-line, the second damping glue-line are 45 μm of thick polyurethane pressure sensitive glue-lines; First release film layer, the second release film layer are 100 μm of thick PET release film layers.
embodiment 3:
For a composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Substrate layer is 5 μm of thick PET, and the first damping glue-line, the second damping glue-line are 2 μm of thick silicone pressure sensitive glue-lines; First release film layer, the second release film layer are 25 μm of thick PMMA release film layers.
embodiment 4:
For a composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Substrate layer is 10 μm of thick Polyetherimide, and the first damping glue-line, the second damping glue-line are 2 μm of thick silicone pressure sensitive glue-lines; First release film layer, the second release film layer are 50 μm of thick BOPP release film layers.
embodiment 5:
For a composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Substrate layer is 15 μm of thick PA6, and the first damping glue-line, the second damping glue-line are 5 μm of thick silicone pressure sensitive glue-lines; First release film layer, the second release film layer are 50 μm of thick PTFE release film layers.
embodiment 6:
For a composite diaphragm for loud speaker, comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
Substrate layer is 20 μm of thick PA6, and the first damping glue-line, the second damping glue-line are 5 μm of thick silicone pressure sensitive glue-lines; First release film layer, the second release film layer are 50 μm of thick PTFE release film layers.
Claims (10)
1. for the composite diaphragm of loud speaker, it is characterized in that: comprise substrate layer, the upper surface of substrate layer is provided with successively the first damping glue-line and the first release film layer; The lower surface of substrate layer is provided with successively the second damping glue-line and the second release film layer.
2. the composite diaphragm for loud speaker according to claim 1, is characterized in that: described substrate layer is a kind of substrate layer made in PETG, polyphenylene sulfide, polyether-ether-ketone, Polyetherimide, polyesterimide, polybutylene terephthalate (PBT), nylon, polypropylene.
3. the composite diaphragm for loud speaker according to claim 2, is characterized in that: the thickness of described substrate layer is 4.5-24.5 μm.
4. the composite diaphragm for loud speaker according to claim 1, is characterized in that: the first described damping glue-line is acrylate pressure-sensitive adhesive, a kind of damping glue-line made in rubber series pressure sensitive adhesive, polyurethane contact adhesive, organic pressure-sensitive gel.
5. the composite diaphragm for loud speaker according to claim 4, is characterized in that: the thickness of the first described damping glue-line is 2-49.5 μm.
6. the composite diaphragm for loud speaker according to claim 1, is characterized in that: the second described damping glue-line is acrylate pressure-sensitive adhesive, a kind of damping glue-line made in rubber series pressure sensitive adhesive, polyurethane contact adhesive, organic pressure-sensitive gel.
7. the composite diaphragm for loud speaker according to claim 6, is characterized in that: the thickness of the second described damping glue-line is 2-49.5 μm.
8. the composite diaphragm for loud speaker according to claim 1, is characterized in that: the first described release film layer is the one in PE release film layer, PET release film layer, OPP release film layer, PC release film layer, PMMA fractal film layer, BOPP release film layer, TPX release film layer, PTFE release film.
9. the composite diaphragm for loud speaker according to claim 1, is characterized in that: the thickness of the first described release film layer is 12-125 μm.
10. the composite diaphragm for loud speaker according to claim 1, is characterized in that: the second described release film layer is the one in PE release film layer, PET release film layer, OPP release film layer, PC release film layer, PMMA fractal film layer, BOPP release film layer, TPX release film layer, PTFE release film; The thickness of the second release film layer is 12-125 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509970.XU CN204104124U (en) | 2014-09-04 | 2014-09-04 | For the composite diaphragm of loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509970.XU CN204104124U (en) | 2014-09-04 | 2014-09-04 | For the composite diaphragm of loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204104124U true CN204104124U (en) | 2015-01-14 |
Family
ID=52272519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509970.XU Expired - Lifetime CN204104124U (en) | 2014-09-04 | 2014-09-04 | For the composite diaphragm of loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204104124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110035360A (en) * | 2019-04-25 | 2019-07-19 | 辽宁弗佰克高新材料有限公司 | A kind of acoustic diaphragm, acoustic equipment and acoustic diaphragm preparation method |
| CN111479890A (en) * | 2017-12-14 | 2020-07-31 | 艾利丹尼森公司 | Pressure sensitive adhesives having wide damping temperature and frequency ranges |
-
2014
- 2014-09-04 CN CN201420509970.XU patent/CN204104124U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111479890A (en) * | 2017-12-14 | 2020-07-31 | 艾利丹尼森公司 | Pressure sensitive adhesives having wide damping temperature and frequency ranges |
| CN111479890B (en) * | 2017-12-14 | 2022-06-17 | 艾利丹尼森公司 | Pressure sensitive adhesives having wide damping temperature and frequency ranges |
| US11591497B2 (en) | 2017-12-14 | 2023-02-28 | Avery Dennison Corporation | Pressure sensitive adhesive with broad damping temperature range |
| CN110035360A (en) * | 2019-04-25 | 2019-07-19 | 辽宁弗佰克高新材料有限公司 | A kind of acoustic diaphragm, acoustic equipment and acoustic diaphragm preparation method |
| CN110035360B (en) * | 2019-04-25 | 2024-08-13 | 辽宁弗佰克高新材料有限公司 | Acoustic vibrating diaphragm, acoustic equipment and preparation method of acoustic vibrating diaphragm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |
|
| CX01 | Expiry of patent term |