CN205498231U - Environmental protection enhancement mode solar backplane - Google Patents
Environmental protection enhancement mode solar backplane Download PDFInfo
- Publication number
- CN205498231U CN205498231U CN201620155273.8U CN201620155273U CN205498231U CN 205498231 U CN205498231 U CN 205498231U CN 201620155273 U CN201620155273 U CN 201620155273U CN 205498231 U CN205498231 U CN 205498231U
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- environmental protection
- enhancement mode
- waterproof layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides an environmental protection enhancement mode solar backplane, belongs to solar PV cells technical field. Including basic unit, resistant layer, waterproof layer, inlayer and the tie coat of waiting, resistant time layer with the waterproof layer be located respectively the upper and lower surface of basic unit, the inlayer be in the opposite side surface of waterproof layer, pass through between each layer the tie coat combine together, resistant time layer, basic unit, waterproof layer, inlayer and tie coat to pass through extruder head coextrusion and one -time molding membranaceous for rolling up. Have that fine weatherability and aging resistance, insulating properties are excellent, the anti -soil can the reinforce and the steam transmissivity is little, the partial discharge ability is greater than more than the 1000V and the life of product can reach more than 25 years, make the combination fastness of backplate and battery piece increase, the reduction is to the pollution of environment, green, ability reduction in production cost increases output, reduce the steam transmissivity.
Description
Technical field
This utility model belongs to solar-energy photo-voltaic cell technical field, is specifically related to a kind of environmental protection enhancement mode solar energy backboard.
Background technology
Known, solaode is the device directly luminous energy being changed into electric energy by photoelectric effect, and it is a kind of novel energy, permanent, cleaning, flexibly, has wide market prospect.Solar module is typically to be made up of solar energy backboard, glass, cell piece, PUR (EVA) and aluminum frame and rosette etc.; wherein solar energy backboard is positioned at the back side of cell piece; cell piece is played protection and supporting role, it is desirable to there is reliable insulating properties, water preventing ability, resistance to ag(e)ing.Solar energy backboard typically has three-decker; outer protective layer is fluoropolymer layer; there is good environment resistant erosiveness; intermediate layer is can the polyester film layer of biaxial tension; there is good insulating properties and mechanical property; internal layer is fluoropolymer layer or EVA copolymer layer, has good caking property with encapsulating material EVA.In the prior art, PET film all can not be bondd by hot composition process with fluorine film and polyolefin film, this not only production to PET composite membrane cause the biggest restriction, also the performance of Related product is produced harmful effect.The preparation method of back veneer material the most both at home and abroad, it is mostly to smear polyurethane adhesive respectively on two surfaces of PET Obstruct membrane, it is combined fluorine film and fluorine film, fluorine film and EVA film, fluorine film and PE film the most respectively, this preparation method mainly solves the caking property problem of fluorine film and PET film, PET film and EVA (PE) film, but still existing defects: use stage composite means, i.e. first after a surface coating a compound tunic of PET film, again at another surface coating another tunic compound of PET film, operation is more complicated；Domestic polyurethane adhesive is required for import so that the production cost of solar energy backboard is too high；Owing to polyurethane adhesive is solvent based adhesive, need to use substantial amounts of organic solvent, and environment can be caused certain pollution by these organic solvents, and the health of operator also can be produced harmful effect, easily cause the problem in terms of safety and environmental protection；Described polyurethane glue-line can be degraded during life-time service, causes interlaminar separation and the phenomenon come off, and then solar module can be made to be scrapped because losing protection.
In prior art, as disclosed in Chinese invention patent application publication No. CN102001208A a kind of " insulating back panel of solar photovoltaic assembly ", its cross-section structure is followed successively by weathering layer from top to bottom, adhesive layer, electric insulation layer, adhesive layer and weathering layer, weathering layer has been made to improve by this patent application, to improve water vapor rejection effect and UV resistant performance, thus the service life of solar photovoltaic assembly can be ensured, but the material of its adhesive layer is still for polyurethane binder (seeing last column of description [0024] paragraph), harmful effect solar energy backboard caused by polyurethane binder cannot be avoided equally.
In view of above-mentioned prior art, it is necessary to the structure of existing solar energy backboard is improved.To this end, the applicant has made useful design, technical scheme described below produces under this background.
Summary of the invention
The purpose of this utility model is to provide a kind of environmental protection enhancement mode solar energy backboard, have good weatherability, resistance to ag(e)ing, excellent insulation performance, stain resistance is strong, the little firmness being combined with cell piece of water vapor transmittance strong, length in service life, environmental pollution are few, and production cost is low and yield is high.
The purpose of this utility model is such to reach, a kind of environmental protection enhancement mode solar energy backboard, it is characterized in that: include basic unit, weathering layer, waterproof layer, internal layer and tack coat, described weathering layer and described waterproof layer lay respectively at the upper and lower surface of described basic unit, described internal layer is on the opposite side surface of described waterproof layer, being combined by described tack coat between each layer, described weathering layer, basic unit, waterproof layer, internal layer and tack coat is wound membrane shape by cross-head coextrusion disposal molding.
In a specific embodiment of the present utility model, the basic unit that described basic unit is polyethylene terephthalate or polybutylene terephthalate or PEN or ethylene-vinyl acetate copolymer is made.
In another specific embodiment of the present utility model, the weathering layer that described weathering layer is politef or polyvinylidene fluoride or polyvinyl fluoride or polyethylene or polypropylene or ethene-vinyl acetate copolymer is made.
In another specific embodiment of the present utility model, described waterproof layer is that the lamellar compounds such as brucite, Graphene, mica sheet uniformly mix made waterproof layer with high dispersive resin.
In another specific embodiment of the present utility model, the internal layer that described internal layer is polyethylene or polypropylene or ethylene-vinyl acetate copolymer or polyolefin elastomer or hydrogenated styrene-butadiene copolymer is made.
Also have in a specific embodiment of the present utility model, the tack coat with viscous stickiness that described tack coat is ethylene or ethylene copolymer or polypropylene or modified polypropene or thermoplastic polyurethane or acrylic resin or ABS system resin is made.
After this utility model is owing to using said structure, have the advantages that first, due in the upper and lower table plane of basic unit respectively coextru-lamination have that weathering layer and waterproof layer, this multi-layer compound structure have good weatherability and resistance to ag(e)ing, excellent insulation performance, stain resistance is strong and water vapor transmittance is little, shelf depreciation ability can reach more than 25 years more than the service life of more than 1000V and product；Secondly, by having the internal layer of viscous stickiness so that the binding strength of backboard and cell piece increases, and increases the service life；3rd, the mode using extrusion compound avoids the polyurethanes binding agent in conventional backing plate technique, reduces the pollution to environment, environmental protection；4th, it is wound membrane shape by the most extruded for multilayer material machine head coextrusion disposal molding, relative to traditional stagewise preparation method, there is higher efficiency, production cost can be reduced, increase yield；5th, the barrier property of backboard can be improved by the waterproof layer set up, reduce its water vapor transmittance.
Accompanying drawing explanation
Fig. 1 is the planar structure cut-away view of this utility model one embodiment.
In figure: 1. basic unit；2. tack coat；3. weathering layer；4. waterproof layer；5. internal layer.
Detailed description of the invention
Detailed description of the invention of the present utility model is described in detail by applicant by combining accompanying drawing below; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to this utility model design all should be considered as protection domain of the present utility model.
Referring to Fig. 1, this utility model relates to a kind of enhancement mode environmental protection solar energy backboard, including basic unit 1, weathering layer 3, waterproof 4, internal layer 5 and tack coat 2.The basic unit that described basic unit 1 is polyethylene terephthalate or polybutylene terephthalate or PEN or ethylene-vinyl acetate copolymer is made.The weathering layer that described weathering layer 3 is politef or polyvinylidene fluoride or polyvinyl fluoride or polyethylene or polypropylene or ethene-vinyl acetate copolymer is made.The lamellar compounds such as described waterproof layer 4 is brucite, Graphene, mica sheet uniformly mix made waterproof layer with high dispersive resin.The internal layer that described internal layer 5 is polyethylene or polypropylene or ethylene-vinyl acetate copolymer or polyolefin elastomer or hydrogenated styrene-butadiene copolymer is made.The tack coat with viscous stickiness that described tack coat 2 is ethylene or ethylene copolymer or polypropylene or modified polypropene or thermoplastic polyurethane or acrylic resin or ABS system resin is made.Described weathering layer 3 and described waterproof layer 4 lay respectively in the upper and lower table plane of basic unit 1, described internal layer 5 is on the opposite side surface of described waterproof layer 4, being combined by described tack coat 2 between each layer, described weathering layer 3, basic unit 1, waterproof layer 4, internal layer 5 and tack coat 2 are by cross-head coextrusion disposal molding.
The enhancement mode environmental protection solar energy backboard that this utility model is made up of above-mentioned multilayer material, its finished product form is wound membrane shape.In use the solar energy backboard of wound membrane shape is launched, being cut into the lamellar identical with cell piece size specification, then solar energy backboard is placed on the lower section of cell piece and is combined with glass, PUR (EVA) and aluminum frame and rosette and constitutes solar module.
Above-mentioned solar energy backboard is owing to adding waterproof layer; power supply after working cell piece has carried out waterproofing protection, makes the potential safety hazard of solar module be substantially reduced, uses more reliable; extending the life-span of solar facilities, its service life can reach more than 25 years simultaneously.
Claims (5)
1. an environmental protection enhancement mode solar energy backboard, it is characterized in that: include basic unit (1), weathering layer (3), waterproof layer (4), internal layer (5) and tack coat (2), described weathering layer (3) and described waterproof layer (4) lay respectively at the upper of described basic unit (1), lower surface, described internal layer (5) is on the opposite side surface of described waterproof layer (4), combined by described tack coat (2) between each layer, described weathering layer (3), basic unit (1), waterproof layer (4), internal layer (5) and tack coat (2) are wound membrane shape by cross-head coextrusion disposal molding.
Environmental protection enhancement mode solar energy backboard the most according to claim 1, it is characterised in that the basic unit that described basic unit (1) is polyethylene terephthalate or polybutylene terephthalate or PEN or ethylene-vinyl acetate copolymer is made.
Environmental protection enhancement mode solar energy backboard the most according to claim 1, it is characterised in that the weathering layer that described weathering layer (3) is politef or polyvinylidene fluoride or polyvinyl fluoride or polyethylene or polypropylene or ethene-vinyl acetate copolymer is made.
Environmental protection enhancement mode solar energy backboard the most according to claim 1, it is characterised in that the internal layer that described internal layer (5) is polyethylene or polypropylene or ethylene-vinyl acetate copolymer or polyolefin elastomer or hydrogenated styrene-butadiene copolymer is made.
Environmental protection enhancement mode solar energy backboard the most according to claim 1, it is characterised in that the tack coat with viscous stickiness that described tack coat (2) is ethylene or ethylene copolymer or polypropylene or modified polypropene or thermoplastic polyurethane or acrylic resin or ABS system resin is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155273.8U CN205498231U (en) | 2016-03-01 | 2016-03-01 | Environmental protection enhancement mode solar backplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155273.8U CN205498231U (en) | 2016-03-01 | 2016-03-01 | Environmental protection enhancement mode solar backplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205498231U true CN205498231U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620155273.8U Expired - Fee Related CN205498231U (en) | 2016-03-01 | 2016-03-01 | Environmental protection enhancement mode solar backplane |
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| CN (1) | CN205498231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452812A (en) * | 2017-06-26 | 2017-12-08 | 南通华隆微电子股份有限公司 | A kind of encapsulating structure of semiconductor diode device |
| CN109860322A (en) * | 2019-01-17 | 2019-06-07 | 杭州福禧新材料有限公司 | Five-layer structure co-extrusion solar cell backboard containing PBT and preparation method thereof |
| CN111902276A (en) * | 2018-03-28 | 2020-11-06 | 帝斯曼知识产权资产管理有限公司 | Backsheet comprising polybutylene terephthalate |
-
2016
- 2016-03-01 CN CN201620155273.8U patent/CN205498231U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452812A (en) * | 2017-06-26 | 2017-12-08 | 南通华隆微电子股份有限公司 | A kind of encapsulating structure of semiconductor diode device |
| CN107452812B (en) * | 2017-06-26 | 2021-07-23 | 南通华隆微电子股份有限公司 | Packaging structure of semiconductor diode device |
| CN111902276A (en) * | 2018-03-28 | 2020-11-06 | 帝斯曼知识产权资产管理有限公司 | Backsheet comprising polybutylene terephthalate |
| US11721775B2 (en) | 2018-03-28 | 2023-08-08 | Endurance Solar Solutions B.V. | Back-sheet comprising polybutylene terephtalate |
| CN109860322A (en) * | 2019-01-17 | 2019-06-07 | 杭州福禧新材料有限公司 | Five-layer structure co-extrusion solar cell backboard containing PBT and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20200301 |