CN205488164U - Waterproof type solar backplane of high cohesiveness - Google Patents
Waterproof type solar backplane of high cohesiveness Download PDFInfo
- Publication number
- CN205488164U CN205488164U CN201620219585.0U CN201620219585U CN205488164U CN 205488164 U CN205488164 U CN 205488164U CN 201620219585 U CN201620219585 U CN 201620219585U CN 205488164 U CN205488164 U CN 205488164U
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- tack coat
- basic unit
- layer
- waterproof layer
- type solar
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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
Abstract
The utility model provides a waterproof type solar backplane of high cohesiveness, belongs to solar PV cells technical field. Including the basic unit, waterproof layer and the resistant layer of waiting, the waterproof layer is located basic unit and resistant the time between the layer, the waterproof layer combines together through the side surface of first tie coat with the basic unit towards a side surface of basic unit, and the opposite side surface of basic unit is equipped with the second tie coat, the resistant side surface of waiting the layer of waterproof layer orientation combines together through a third tie coat and a resistant side surface of waiting the layer, and resistant opposite side surface of waiting the layer is equipped with the fourth tie coat, the resistant layer of waiting, the basic unit, waterproof layer and first tie coat, the second tie coat, third tie coat and fourth tie coat pass through the extruder head coextrusion and one -time molding is membranaceous for rolling up. The advantage: good weatherability and aging resistance have, long service life, and insulating properties is excellent, the anti -soil can the reinforce, the steam transmissivity is little, higher production efficiency has, reduction in production cost, and environmental protection more can reduce the pollution to the environment.
Description
Technical field
This utility model belongs to solar-energy photo-voltaic cell technical field, is specifically related to a kind of high-adhesion water proof type solar energy backboard.
Background technology
Known, solar photovoltaic assembly is made up of solar energy glass, cell piece, PUR (EVA), aluminum frame and insulating back panel, and wherein insulating back panel is positioned at the lower section of cell piece and is connected with adapter, for the insulation protection to solaode.The outer surface that the structure of Conventional insulation backboard is usually at monolayer polyethylene terephthalate (PET) thin layer sprays fluorine based material, and this monolayer backboard exists following problems in actual use: resistance to ag(e)ing is poor, service life is short, vapor pervious rate high and shelf depreciation power is too small.In order to improve the overall performance of solar energy backboard, prior art occurs a lot of corresponding design, such as, " a kind of solar battery back film with high-adhesion and the processing technique " that Chinese invention patent Authorization Notice No. CN101661962B introduces, described notacoria includes basic unit and fluorine base membrane layer, there is between described fluorine base membrane layer and described basic unit fluorosilicone film forming layer or silicon changes film forming layer by the emperor himself, the caking property of this backboard is more preferable, film layer is closely knit, improves barrier property, electric property and weather resistance." a kind of VPF backboard for solar cell and the processing technique " that and for example Chinese invention patent application publication No. CN103660493A relates to, this backboard includes functional pet layer and conventional pet layer, and both are combined with each other by casting technique.Overcome the lamination problem existed when pet layer uses gluing, extend service life.Fluororesin-coated in the one side of described conventional pet layer, form fluorine-containing coat.Described fluorine-containing coat is located at the one side contacted with EVA, has good anti-ultraviolet ageing ability；Functional PET is used in the air surface of outer layer, has the double-deck performance of uvioresistant and hydrothermal aging；Additionally the environment resistant ageing properties of backboard is higher.
From the point of view of the state of the art of industry, although solar energy backboard achieves certain breakthrough at multiple aspect of performances, but still in place of there is some problems being difficult to solve or shortcoming, the applicant has made useful design, and technical scheme described below produces under this background.
Summary of the invention
The purpose of this utility model is to provide a kind of resistance to ag(e)ing good and length in service life, excellent insulation performance, water vapor transmittance are little, shelf depreciation power is high, stain resistance is strong high-adhesion water proof type solar energy backboard.
The purpose of this utility model is such to reach, a kind of high-adhesion water proof type solar energy backboard, it is characterized in that: include basic unit, waterproof layer and weathering layer, described waterproof layer is between basic unit and weathering layer, described waterproof layer is combined with a side surface of basic unit towards a side surface of basic unit by the first tack coat, and the opposite side surface of basic unit is provided with the second tack coat, waterproof layer is combined with a side surface of weathering layer towards a side surface of weathering layer by the 3rd tack coat, and the opposite side surface of weathering layer is provided with the 4th tack coat, described weathering layer, basic unit, waterproof layer and the first tack coat, second tack coat, 3rd tack coat and the 4th tack coat are 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 and/or polybutylene terephthalate and/or poly-how naphthalate and/or ethylene-vinyl acetate copolymer is made.
In another specific embodiment of the present utility model, described basic unit is also added with the nano level metal powder become by aluminum and/or copper.
In another specific embodiment of the present utility model, the thickness of described basic unit is 100-500 micron；The thickness of described the first tack coat, the second tack coat, the 3rd tack coat and the 4th tack coat is 0.1-10 micron.
In another specific embodiment of the present utility model, described waterproof layer is that nano level metal powder and resin-phase mix the waterproof layer made.
Also have in a specific embodiment of the present utility model, the nano level metal powder that described nano level metal powder is made up of copper and/or aluminum and/or ferrum and/or magnesium.
In an of the present utility model and then specific embodiment, the weathering layer that described weathering layer is politef and/or polyvinylidene fluoride and/or polyvinyl fluoride and/or polyethylene and/or polypropylene and/or ethylene-ethyl acetate copolymer is made.
Of the present utility model more and in a specific embodiment, the first described tack coat, second tack coat, 3rd tack coat and the 4th tack coat are plastic of poly vinyl acetate and/or ethylene methacrylic acid glycidyl ester resin and/or ethylene-methyl acrylate-glyceryl methacrylate resin and/or ethylene ethyl acrylate copolymer and/or ethylene-maleic anhydride multipolymer and/or the polyester with hydroxyl and/or the polyester with carboxyl and/or methyl methacrylate and ethyl acrylate or the bipolymer of butyl acrylate and/or have the tack coat that the polyolefin of the functional group comprising glycidyl methacrylate and amine is made.
This utility model is owing to have employed said structure, compared with prior art, have the beneficial effect that the multi-layer compound structure constituted by setting up waterproof layer between basic unit and weathering layer, there is good weatherability and resistance to ag(e)ing, service life is long, and excellent insulation performance, stain resistance is strong, water vapor transmittance is little, shelf depreciation ability is at more than 1000V；The base material that one side surface of basic unit's waterproof layer dorsad and the second tack coat are combined closely and formed, can make film layer more closely knit, improve its barrier to steam, and humidity resistance is more preferable, and electric property and weather resistance can be improved equally；It is wound membrane shape by multilayer material by cross-head coextrusion disposal molding, relative to traditional stagewise preparation method, there is higher efficiency, production cost can be reduced, increase yield；Employing is extruded in the compound relatively conventional backboard process of mode more environmentally-friendly by the way of glue is compound, reduces the pollution to environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
In figure: 1. basic unit；2. waterproof layer；3. weathering layer；4. the second tack coat；5. the first tack coat；6. the 3rd tack coat；7. the 4th tack coat.
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.
Refer to Fig. 1, this utility model relates to a kind of high-adhesion water proof type solar energy backboard: include basic unit 1, waterproof layer 2 and weathering layer 3, described waterproof layer 2 is between basic unit 1 and weathering layer 3, described waterproof layer 2 is combined with a side surface of basic unit 1 towards a side surface of basic unit 1 by the first tack coat 5, and the opposite side surface of basic unit 1 is provided with the second tack coat 4, waterproof layer 2 is combined with a side surface of weathering layer 3 towards a side surface of weathering layer 3 by the 3rd tack coat 6, and the opposite side surface of weathering layer 3 is provided with the 4th tack coat 7.So, second tack coat 4, basic unit's the 1, first tack coat 5, waterproof layer 2, the 3rd tack coat 6, weathering layer 3 and the 4th tack coat 7 are compound successively and constitute a seven-layer structure, the design Neng Shi basic unit of seven-layer structure, boning tightr between waterproof layer and weathering layer, water resistance is more preferably；And backboard also can be easier to bonding and need not distinguish positive and negative with other solar components.Described weathering layer 3, basic unit 1, waterproof layer the 2, first tack coat the 5, second tack coat the 4, the 3rd tack coat 6 and the 4th tack coat 7 are wound membrane shape by cross-head coextrusion disposal molding.Using stagewise preparation method in relatively conventional backboard process by the way of glue is compound, the mode that the extrusion that this utility model uses is combined is more environmentally-friendly, can reduce the pollution to environment, and have higher efficiency, can reduce production cost, increases yield.
In the present embodiment, the basic unit that described basic unit 1 is polyethylene terephthalate and/or polybutylene terephthalate and/or poly-how naphthalate and/or ethylene-vinyl acetate copolymer is made.The basic unit of Normal back plate is pet layer, described PET is polyethylene terephthalate, original pet layer is modified by the present embodiment by adding other polymer, and thus obtained basic unit 1 has processing characteristics and the planarization of excellence, it is also possible to increase the adhesive fastness between other layer.Other polymer above-mentioned is calculated as 0-50% with percent, specifically can account for 5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%.Basic unit 1 is also added with the nano level metal powder become by aluminum and/or copper, thus can strengthen the holding power of basic unit 1, but correspondingly can increase the weight of backboard.The waterproof layer that described waterproof layer 2 mixes for nano level metal powder and resin-phase and makes, wherein, the nano level metal powder that described nano level metal powder is made up of copper and/or aluminum and/or ferrum and/or magnesium.The weathering layer that described weathering layer 3 is politef and/or polyvinylidene fluoride and/or polyvinyl fluoride and/or polyethylene and/or polypropylene and/or ethylene-ethyl acetate copolymer is made.In weathering layer, Oil repellent is 40%-80%, concrete numerical value can be concrete numerical value be 40%, 50%, 60%, 70%, 80%.First described tack coat the 5, second tack coat the 4, the 3rd tack coat 6 and the 4th tack coat 7 are plastic of poly vinyl acetate and/or ethylene methacrylic acid glycidyl ester resin and/or ethylene-methyl acrylate-glyceryl methacrylate resin and/or ethylene ethyl acrylate copolymer and/or ethylene-maleic anhydride multipolymer and/or the polyester with hydroxyl and/or the polyester with carboxyl and/or methyl methacrylate and ethyl acrylate or the bipolymer of butyl acrylate and/or have the tack coat that the polyolefin of the functional group comprising glycidyl methacrylate and amine is made.The thickness of described basic unit 1 is preferably 100-500 micron, and concrete numerical value can be 150 microns, 188 microns, 255 microns, 350 microns, 400 microns, 450 microns, 500 microns.First described tack coat the 5, second tack coat the 4, the 3rd tack coat 6 and the thickness of the 4th tack coat 7 are 0.1-10 micron, it is preferably 0.1-5 micron, this thickness can be according to the thickness of other involved each layer, selecting 0.1 micron, 0.5 micron, 1 micron, 1.5 microns, 2 microns, 2.5 microns, 3 microns etc., the selection of thickness to meet the bonding requirement between each layer.
This utility model is owing to have employed said structure, and its finished product form is wound membrane shape.In use, first the solar energy backboard of wound membrane shape is launched, it is cut into the lamellar identical with solar battery sheet size specification, then solar energy backboard is placed on the lower section of solar battery sheet and is combined with solar energy glass, PUR (EVA) and aluminum frame and constitutes solar photovoltaic assembly.The solar photovoltaic assembly thus constituted is owing to adding solar energy backboard; power supply after working solar battery sheet carries out insulation protection; effectively reduce the potential safety hazard of solar photovoltaic assembly; use more reliable; can extend the life-span of solar facilities, its service life can reach more than 25 years simultaneously.
Claims (8)
- null1. a high-adhesion water proof type solar energy backboard，It is characterized in that: include basic unit (1)、Waterproof layer (2) and weathering layer (3)，Described waterproof layer (2) is positioned between basic unit (1) and weathering layer (3)，Described waterproof layer (2) is combined towards a side surface of basic unit (1) by a side surface of the first tack coat (5) with basic unit (1)，And the opposite side surface of basic unit (1) is provided with the second tack coat (4)，Waterproof layer (2) is combined with a side surface of weathering layer (3) towards a side surface of weathering layer (3) by the 3rd tack coat (6)，And the opposite side surface of weathering layer (3) is provided with the 4th tack coat (7)，Described weathering layer (3)、Basic unit (1)、Waterproof layer (2) and the first tack coat (5)、Second tack coat (4)、3rd tack coat (6) and the 4th tack coat (7) are wound membrane shape by cross-head coextrusion disposal molding.
- A kind of high-adhesion water proof type 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 and/or polybutylene terephthalate and/or poly-how naphthalate and/or ethylene-vinyl acetate copolymer is made.
- A kind of high-adhesion water proof type solar energy backboard the most according to claim 2, it is characterised in that be also added with the nano level metal powder become by aluminum and/or copper in described basic unit (1).
- A kind of high-adhesion water proof type solar energy backboard the most according to claim 1, it is characterised in that the thickness of described basic unit (1) is 100-500 micron；The thickness of described the first tack coat (5), the second tack coat (4), the 3rd tack coat (6) and the 4th tack coat (7) is 0.1-10 micron.
- A kind of high-adhesion water proof type solar energy backboard the most according to claim 1, it is characterised in that described waterproof layer (2) is nano level metal powder and resin-phase mixes the waterproof layer made.
- A kind of high-adhesion water proof type solar energy backboard the most according to claim 5, it is characterised in that the nano level metal powder that described nano level metal powder is made up of copper and/or aluminum and/or ferrum and/or magnesium.
- A kind of high-adhesion water proof type solar energy backboard the most according to claim 1, it is characterised in that the weathering layer that described weathering layer (3) is politef and/or polyvinylidene fluoride and/or polyvinyl fluoride and/or polyethylene and/or polypropylene and/or ethylene-ethyl acetate copolymer is made.
- A kind of high-adhesion water proof type solar energy backboard the most according to claim 1, it is characterized in that described the first tack coat (5), second tack coat (4), 3rd tack coat (6) and the 4th tack coat (7) are plastic of poly vinyl acetate and/or ethylene methacrylic acid glycidyl ester resin and/or ethylene-methyl acrylate-glyceryl methacrylate resin and/or ethylene ethyl acrylate copolymer and/or ethylene-maleic anhydride multipolymer and/or the polyester with hydroxyl and/or the polyester with carboxyl and/or methyl methacrylate and ethyl acrylate or the bipolymer of butyl acrylate and/or have the tack coat that the polyolefin of the functional group comprising glycidyl methacrylate and amine is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219585.0U CN205488164U (en) | 2016-03-22 | 2016-03-22 | Waterproof type solar backplane of high cohesiveness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219585.0U CN205488164U (en) | 2016-03-22 | 2016-03-22 | Waterproof type solar backplane of high cohesiveness |
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| Publication Number | Publication Date |
|---|---|
| CN205488164U true CN205488164U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620219585.0U Expired - Fee Related CN205488164U (en) | 2016-03-22 | 2016-03-22 | Waterproof type solar backplane of high cohesiveness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065653A (en) * | 2018-07-20 | 2018-12-21 | 杭州福禧新材料有限公司 | A kind of five-layer co-squeezing solar cell backboard and preparation method thereof containing PP |
| CN110528788A (en) * | 2019-08-19 | 2019-12-03 | 上海优珀斯材料科技有限公司 | A kind of the waterproof roll sun-proof anti-aging composite membrane of the compound TPO of PVDF and preparation method |
-
2016
- 2016-03-22 CN CN201620219585.0U patent/CN205488164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065653A (en) * | 2018-07-20 | 2018-12-21 | 杭州福禧新材料有限公司 | A kind of five-layer co-squeezing solar cell backboard and preparation method thereof containing PP |
| CN110528788A (en) * | 2019-08-19 | 2019-12-03 | 上海优珀斯材料科技有限公司 | A kind of the waterproof roll sun-proof anti-aging composite membrane of the compound TPO of PVDF and preparation method |
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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: 20160817 Termination date: 20200322 |