CN204189809U - A kind of high heat radiation anti-pollution type solar cell backboard - Google Patents
A kind of high heat radiation anti-pollution type solar cell backboard Download PDFInfo
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- CN204189809U CN204189809U CN201420729252.3U CN201420729252U CN204189809U CN 204189809 U CN204189809 U CN 204189809U CN 201420729252 U CN201420729252 U CN 201420729252U CN 204189809 U CN204189809 U CN 204189809U
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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 relates to technical field of solar batteries, be specifically related to a kind of high heat radiation anti-pollution type solar cell backboard, described backboard comprises the resistant coating set gradually from top to bottom, high heat conduction weathering layer, aluminium foil layer, tack coat and lower weathering layer, fit with resistant coating, aluminium foil layer respectively in the two sides of high heat conduction weathering layer, fit with aluminium foil layer, lower weathering layer respectively in the two sides of tack coat, described resistant coating is polysiloxane polymer layer or fluorolefin polymer layer, and described aluminium foil layer is the soft state aluminium foil of annealed process.Backboard good heat dissipation effect of the present utility model, photoelectric conversion rate are high, and anti-pollution characteristic is good, can decrease the resource consumption and the Module Dissipation caused thus and hydraulic performance decline that manually clean.
Description
Technical field
The utility model relates to technical field of solar batteries, is specifically related to a kind of high heat radiation anti-pollution type solar cell backboard.
Background technology
Solar module have accumulated suitable heat while carrying out opto-electronic conversion; assembly heats up directly can affect the photoelectric conversion efficiency of cell piece; and the solar energy backboard of routine; employing thickness is the PET base material of 125-350 μm; dual coating thickness is the fluoro coatings of 20-50 μm or adopts adhesive compound fluorine film; intention protection PET base material is aging and ultraviolet ageing with heat resistance, thus extends the useful life of assembly.But the backboard thermal diffusivity of this structure is relatively poor, easily causes assembly thermal accumlation, and then directly affects the electricity conversion of cell piece.
And current solar cell is applied to ground or the generating of distributed photovoltaic power station usually, while environment utilizes solar power generation out of doors, is also easy to the enrichment causing the pollutants such as dust, forms dirt and be attached on assembly under rainwater effect.Solar cell dorsulum occupies very large area, plays very important protective effect to cell piece, and the formation of dirt directly affects the heat radiation of solar module, and the lighter reduces generating efficiency, and severe one causes photovoltaic module to be scrapped.
In order to avoid the harmful effect that dirt causes solar module, usual needs carry out care and maintenance by manually clean, the water resources consumed thus and labour cost substantially increase cost, if things go on like this also can acceleration component aging and wearing and tearing, reduce the insulating properties of backboard, water preventing ability and resistance to ag(e)ing.
For the problems referred to above, the solar cell backboard developing a kind of heat dispersion and anti-pollution characteristic excellence is needed to improve these deficiencies.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, the purpose of this utility model is the height heat radiation anti-pollution type solar cell backboard providing a kind of good heat dissipation effect, anti-pollution characteristic good.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high heat radiation anti-pollution type solar cell backboard, described backboard comprises the resistant coating set gradually from top to bottom, high heat conduction weathering layer, aluminium foil layer, tack coat and lower weathering layer, fit with resistant coating, aluminium foil layer respectively in the two sides of high heat conduction weathering layer, fit with aluminium foil layer, lower weathering layer respectively in the two sides of tack coat, described resistant coating is polysiloxane polymer layer or fluorolefin polymer layer, and described aluminium foil layer is the soft state aluminium foil of annealed process.
Further, described high heat conduction weathering layer is the fluorocarbon resin layer being added with heat filling.
Further, described lower weathering layer is the fluororesin modified polyolefin film that surface is provided with concavo-convex network.
Further, described tack coat is layer of polyurethane, acrylate layer or epoxy resin layer.
Further, the density of described concavo-convex network is 2-6 lattice/10mm
2.
Further, the thickness of described resistant coating is 0.5-20 μm.
Further, the thickness of described high heat conduction weathering layer is 3-5 μm.
Further, the thickness of described aluminium foil layer is 8-12 μm.
Further, the thickness of described tack coat is 9-15 μm.
Further, the thickness of described lower weathering layer is 250-300 μm.
The beneficial effects of the utility model are: the utility model adopts resistant coating, can strengthen resistant and the automatically cleaning ability of backboard, decrease the resource consumption and the Module Dissipation caused thus and hydraulic performance decline that manually clean.The utility model adopts high heat conduction weathering layer, good heat conduction effect, and good weatherability.The utility model adopts aluminium foil layer, and aluminium foil is the good conductor of heat, the heat produced can be distributed in time in battery component, the life-span of protection battery, and the structure of aluminium foil densification has splendid water vapor rejection performance.The utility model adopts tack coat, makes all to have good resistance to steam breathability before and after adhesive property excellence, humid heat treatment between aluminium foil layer and lower weathering layer.Lower weathering layer of the present utility model adopts fluororesin modified vistanex, a difficult problem for polyester material hydrolytic resistance difference can be avoided, the surface of fluororesin modified polyolefin film is made to be concavo-convex latticed by calendering sizing, increase the specific area of fluororesin modified polyolefin film, thus with form mechanical tong during EVA adhesive film package curing and lock, obtain preferably cohesive force.
Backboard good heat dissipation effect of the present utility model, photoelectric conversion rate are high, and anti-pollution characteristic is good, can decrease the resource consumption and the Module Dissipation caused thus and hydraulic performance decline that manually clean.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present utility model.
Reference numeral is: 1-resistant coating, 2-high heat conduction weathering layer, 3-aluminium foil layer, 4-tack coat, 5-lower weathering layer.
Embodiment
For the ease of the understanding of those skilled in the art, be further described below in conjunction with embodiment and accompanying drawing 1 pair of the utility model, the content that execution mode is mentioned is not to restriction of the present utility model.
See Fig. 1, a kind of high heat radiation anti-pollution type solar cell backboard, described backboard comprises the resistant coating 1 set gradually from top to bottom, high heat conduction weathering layer 2, aluminium foil layer 3, tack coat 4 and lower weathering layer 5, fit with resistant coating 1, aluminium foil layer 3 respectively in the two sides of high heat conduction weathering layer 2, fit with aluminium foil layer 3, lower weathering layer 5 respectively in the two sides of tack coat 4, described resistant coating 1 is polysiloxane polymer layer or fluorolefin polymer layer, and described aluminium foil layer 3 is the soft state aluminium foil of annealed process.Particularly, described resistant coating 1 is the homopolymers of polysiloxanes or copolymer, the homopolymers of fluoroolefins or copolymer.Preferably, described aluminium foil layer 3 is the soft state high-mouldability aluminium foil of annealed process.
The utility model adopts resistant coating 1, can strengthen resistant and the automatically cleaning ability of backboard, decreases the resource consumption and the Module Dissipation caused thus and hydraulic performance decline that manually clean.The utility model adopts high heat conduction weathering layer 2, good heat conduction effect, and good weatherability.The utility model adopts aluminium foil layer 3, and aluminium foil is the good conductor of heat, the heat produced can be distributed in time in battery component, the life-span of protection battery, and the structure of aluminium foil densification has splendid water vapor rejection performance.The utility model adopts tack coat 4, makes all to have good resistance to steam breathability before and after adhesive property excellence, humid heat treatment between aluminium foil layer 3 and lower weathering layer 5.Lower weathering layer 5 of the present utility model adopts fluororesin modified vistanex, a difficult problem for polyester material hydrolytic resistance difference can be avoided, the surface of fluororesin modified polyolefin film is made to be concavo-convex latticed by calendering sizing, increase the specific area of fluororesin modified polyolefin film, thus with form mechanical tong during EVA adhesive film package curing and lock, obtain preferably cohesive force.
Backboard good heat dissipation effect of the present utility model, photoelectric conversion rate are high, and anti-pollution characteristic is good, can decrease the resource consumption and the Module Dissipation caused thus and hydraulic performance decline that manually clean.
In the present embodiment, described high heat conduction weathering layer 2 is for being added with the fluorocarbon resin layer of heat filling.High heat conduction weathering layer 2 of the present utility model adopts fluorocarbon resin layer, good heat conduction effect, and good weatherability.Concrete, described high heat conduction weathering resistance coatings is dissolved in butyl acetate 100 parts coating is formed by fluorocarbon resin 35 parts, isocyanates 3 parts, heat filling 60 parts, ultraviolet absorber 1 part, UV light stabilizing agent 1 part.Described heat filling is at least one in aluminium oxide, magnesium oxide, zinc oxide, aluminium nitride, boron nitride and carborundum.
In the present embodiment, described lower weathering layer 5 is fluororesin modified polyolefin films that surface is provided with concavo-convex network.Lower weathering layer 5 of the present utility model adopts fluororesin modified vistanex, a difficult problem for polyester material hydrolytic resistance difference can be avoided, the surface of fluororesin modified polyolefin film is made to be concavo-convex latticed by calendering sizing, increase the specific area of fluororesin modified polyolefin film, thus with form mechanical tong during EVA adhesive film package curing and lock, obtain preferably cohesive force.
In the present embodiment, described tack coat 4 is layer of polyurethane, acrylate layer or epoxy resin layer.Tack coat 4 of the present utility model adopts layer of polyurethane, acrylate layer or epoxy resin layer, makes all to have good resistance to steam breathability before and after adhesive property excellence, humid heat treatment between aluminium foil layer 3 and lower weathering layer 5.
In the present embodiment, the density of described concavo-convex network is 2-6 lattice/10mm
2.Tack coat 4 of the present utility model adopts layer of polyurethane, acrylate layer or epoxy resin layer, makes all to have good resistance to steam breathability before and after adhesive property excellence, humid heat treatment between aluminium foil layer 3 and lower weathering layer 5.
In the present embodiment, the thickness of described resistant coating 1 is 0.5-20 μm.The utility model by by the THICKNESS CONTROL of resistant coating 1 at 0.5-20 μm, the anti-pollution characteristic of backboard can be improved.For making the utility model reach best result of use, the thickness of described resistant coating 1 is 10 μm.
In the present embodiment, the thickness of described high heat conduction weathering layer 2 is 3-5 μm.The utility model by by the THICKNESS CONTROL of high heat conduction weathering layer 2 at 3-5 μm, the weatherability of backboard can be improved.For making the utility model reach best result of use, the thickness of described high heat conduction weathering layer 2 is 4 μm.
Claims (10)
1. one kind high heat radiation anti-pollution type solar cell backboard, it is characterized in that: described backboard comprises the resistant coating set gradually from top to bottom, high heat conduction weathering layer, aluminium foil layer, tack coat and lower weathering layer, fit with resistant coating, aluminium foil layer respectively in the two sides of high heat conduction weathering layer, fit with aluminium foil layer, lower weathering layer respectively in the two sides of tack coat, described resistant coating is polysiloxane polymer layer or fluorolefin polymer layer, and described aluminium foil layer is the soft state aluminium foil of annealed process.
2. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: described high heat conduction weathering layer is the fluorocarbon resin layer being added with heat filling.
3. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: described lower weathering layer is the fluororesin modified polyolefin film that surface is provided with concavo-convex network.
4. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: described tack coat is layer of polyurethane, acrylate layer or epoxy resin layer.
5. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 3, is characterized in that: the density of described concavo-convex network is 2-6 lattice/10mm
2.
6. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: the thickness of described resistant coating is 0.5-20 μm.
7. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: the thickness of described high heat conduction weathering layer is 3-5 μm.
8. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: the thickness of described aluminium foil layer is 8-12 μm.
9. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: the thickness of described tack coat is 9-15 μm.
10. a kind of high heat radiation anti-pollution type solar cell backboard according to claim 1, is characterized in that: the thickness of described lower weathering layer is 250-300 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420729252.3U CN204189809U (en) | 2014-11-28 | 2014-11-28 | A kind of high heat radiation anti-pollution type solar cell backboard |
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| CN201420729252.3U CN204189809U (en) | 2014-11-28 | 2014-11-28 | A kind of high heat radiation anti-pollution type solar cell backboard |
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| CN204189809U true CN204189809U (en) | 2015-03-04 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024958A (en) * | 2016-07-29 | 2016-10-12 | 无锡中洁能源技术有限公司 | High-heat-dissipation dirt-resistant solar energy backboard |
| CN106024993A (en) * | 2016-07-29 | 2016-10-12 | 无锡中洁能源技术有限公司 | Production technology for high-heat-dissipation dirt-resistant solar energy backboard |
| CN106057948A (en) * | 2016-07-29 | 2016-10-26 | 无锡中洁能源技术有限公司 | Production process of multilayer solar energy backboard |
| CN108215358A (en) * | 2018-01-02 | 2018-06-29 | 苏州宝澜环保科技有限公司 | A kind of solar cell backboard and preparation method thereof |
| CN110299425A (en) * | 2019-06-26 | 2019-10-01 | 江苏康博光伏电力科技有限公司 | A kind of photovoltaic back of rapid cooling |
-
2014
- 2014-11-28 CN CN201420729252.3U patent/CN204189809U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024958A (en) * | 2016-07-29 | 2016-10-12 | 无锡中洁能源技术有限公司 | High-heat-dissipation dirt-resistant solar energy backboard |
| CN106024993A (en) * | 2016-07-29 | 2016-10-12 | 无锡中洁能源技术有限公司 | Production technology for high-heat-dissipation dirt-resistant solar energy backboard |
| CN106057948A (en) * | 2016-07-29 | 2016-10-26 | 无锡中洁能源技术有限公司 | Production process of multilayer solar energy backboard |
| CN108215358A (en) * | 2018-01-02 | 2018-06-29 | 苏州宝澜环保科技有限公司 | A kind of solar cell backboard and preparation method thereof |
| CN110299425A (en) * | 2019-06-26 | 2019-10-01 | 江苏康博光伏电力科技有限公司 | A kind of photovoltaic back of rapid cooling |
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