CN206154832U - Fluorine -containing photovoltaic back sheet of corrosion resistance - Google Patents
Fluorine -containing photovoltaic back sheet of corrosion resistance Download PDFInfo
- Publication number
- CN206154832U CN206154832U CN201621079392.6U CN201621079392U CN206154832U CN 206154832 U CN206154832 U CN 206154832U CN 201621079392 U CN201621079392 U CN 201621079392U CN 206154832 U CN206154832 U CN 206154832U
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- CN
- China
- Prior art keywords
- layer
- corrosion resistance
- photovoltaic back
- fluorine
- tack coat
- 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.)
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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 relates to a fluorine -containing photovoltaic back sheet of corrosion resistance down is equipped with on the photovoltaic back sheet follow in proper order: first resistant time layer, resistant layer, intermediate level, first tie coat and the second tie coat of waiting of second, the intermediate level is PET thin layer, is first resistant time layer fluororesin layer, alkyd layer, polyvinylidene fluoride thin layer, polytetrafluoroethylene film layer or ethylene tetrafluoroethene copolymer thin layer, the resistant layer of waiting of second is polydiethylene terephthalate layer, trifluoro solvent -borne type fluorocarbon resin layer, low density polyethylene film layer, high density polyethylene thin layer or polydiethylene terephthalate thin layer. Through above -mentioned mode, this fluorine -containing photovoltaic back sheet of corrosion resistance can effectively improve photovoltaic back sheet 's corrosion resistance, provides permanent guarantee for the normal work of subassembly.
Description
Technical field
The utility model photovoltaic module technical field, more particularly to a kind of photovoltaic back.
Background technology
Photovoltaic generation is a kind of a kind of new power generating system that solar radiation can be converted directly into electric energy, is emerging
Renewable energy technologies, photovoltaic module is the core of whole system, and photovoltaic back is located at the outermost at the photovoltaic module back side
Layer, is one of main encapsulating material, with support strength, the isolation effect such as moisture and insulation, and resists adverse circumstances pair
Photovoltaic module is damaged, it is ensured that the service life of photovoltaic module.Traditional photovoltaic back can not meet changeable climate environment,
Poor corrosion resistance, non-fluorine material used causes product stability poor, and acceleration component power attenuation simultaneously carries potential safety hazard.
In view of above-mentioned defect, the design people, positive research and innovation in addition, to founding a kind of fluorine-containing light of corrosion resistance
Volt backboard, can effectively improve the corrosion resistance of photovoltaic back, and the normal work for component provides permanent guarantee.
Utility model content
To solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of fluorine-containing photovoltaic back of corrosion resistance, can
The corrosion resistance of photovoltaic back is effectively improved, the normal work for component provides permanent guarantee.
The fluorine-containing photovoltaic back of corrosion resistance of the present utility model, the photovoltaic back is sequentially provided with from top to bottom：First is resistance to
Wait layer, the second weathering layer, intermediate layer, the first tack coat and the second tack coat；The upper surface of second weathering layer, lower surface point
It is not bonding with the lower surface of first weathering layer and the upper surface in the intermediate layer, the upper surface of first tack coat, under
Surface is bonding with the upper surface of the lower surface in the intermediate layer and second tack coat respectively, and the intermediate layer is PET film
Layer, first weathering layer is fluororesin layer, alkyd resin layers, polyvinylidene difluoride film layer, polytetrafluoroethylene film layer or second
Alkene-TFE copolymer film layer, second weathering layer is polyethylene terephthalate layer, trifluoro solvent-borne type fluorine carbon
Resin bed, low-density polyethylene film layer, density polyethylene film with high layer or pet film layer.
Preferably, first weathering layer is polyvinylidene difluoride film layer, polytetrafluoroethylene film layer or ethene-tetrafluoro
Ethylene copolymer films layer.
Preferably, second weathering layer is low-density polyethylene film layer, density polyethylene film with high layer or poly- right
PET film layer.
Furtherly, first tack coat and second tack coat are ethylene-vinyl acetate copolymer film layer.
Furtherly, the thickness of first weathering layer and second weathering layer is 30-50 μm.
Furtherly, the thickness in the intermediate layer is 90-140 μm.
Furtherly, the thickness of first tack coat and second tack coat is 50-70 μm.
By such scheme, the utility model at least has advantages below：The utility model is by using the first weathering layer
The stability of backboard performance can be increased, insulating properties, the corrosion resistance of backboard can be improved using the second weathering layer, using bilayer
Tack coat can improve the adhesive property of backboard.The utility model can effectively improve the corrosion resistance of photovoltaic back, be component
Normal work provides permanent guarantee.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can be practiced according to the content of specification, it is described in detail with preferred embodiment of the present utility model below.
Description of the drawings
Fig. 1 is the structural representation of the fluorine-containing photovoltaic back of the utility model corrosion resistance；
In figure：1st, the first weathering layer；2nd, the second weathering layer；3rd, intermediate layer；4th, the first tack coat；5th, the second tack coat.
Specific embodiment
With reference to embodiment, specific embodiment of the present utility model is described in further detail.Following examples
For illustrating the utility model, but it is not limited to scope of the present utility model.
Embodiment 1：
A kind of fluorine-containing photovoltaic back of corrosion resistance, back board structure is as shown in figure 1, the photovoltaic back sets successively from top to bottom
Have：First weathering layer 1, the second weathering layer 2, intermediate layer 3, the first tack coat 4 and the second tack coat 5；Second weathering layer 2
Upper surface, lower surface are bonding with the lower surface of first weathering layer 1 and the upper surface in the intermediate layer 3 respectively, and described first
Upper surface, the lower surface of tack coat 4 is bonding with the upper surface of the lower surface in the intermediate layer 3 and second tack coat 5 respectively；
First weathering layer 1 is polyvinylidene difluoride film layer；Second weathering layer 2 is low-density polyethylene film layer；Described
One tack coat 4 and second tack coat 5 are ethylene-vinyl acetate copolymer film layer；First weathering layer 1 and described
The thickness of the second weathering layer 2 is 40 μm；The thickness in the intermediate layer 3 is 120 μm；First tack coat 4 and described second glues
The thickness of knot layer 5 is 60 μm.
Embodiment 2：
A kind of fluorine-containing photovoltaic back of corrosion resistance, back board structure is as shown in figure 1, the photovoltaic back sets successively from top to bottom
Have：First weathering layer 1, the second weathering layer 2, intermediate layer 3, the first tack coat 4 and the second tack coat 5；Second weathering layer 2
Upper surface, lower surface are bonding with the lower surface of first weathering layer 1 and the upper surface in the intermediate layer 3 respectively, and described first
Upper surface, the lower surface of tack coat 4 is bonding with the upper surface of the lower surface in the intermediate layer 3 and second tack coat 5 respectively；
First weathering layer 1 is polytetrafluoroethylene film layer；Second weathering layer 2 is density polyethylene film with high layer；Described
One tack coat 4, the second tack coat 5 are ethylene-vinyl acetate copolymer film layer；First weathering layer 1 and described second
The thickness of weathering layer 2 is 40 μm；The thickness in the intermediate layer 3 is 120 μm；First tack coat 4 and second tack coat 5
Thickness be 60 μm.
Embodiment 3：
A kind of fluorine-containing photovoltaic back of corrosion resistance, back board structure is as shown in figure 1, the photovoltaic back sets successively from top to bottom
Have：First weathering layer 1, the second weathering layer 2, intermediate layer 3, the first tack coat 4 and the second tack coat 5；Second weathering layer 2
Upper surface, lower surface are bonding with the lower surface of first weathering layer 1 and the upper surface in the intermediate layer 3 respectively, and described first
Upper surface, the lower surface of tack coat 4 is bonding with the upper surface of the lower surface in the intermediate layer 3 and second tack coat 5 respectively；
First weathering layer 1 is ethylene-tetrafluoroethylene copolymer film layer；Second weathering layer 2 is poly terephthalic acid second two
Alcohol ester film layer；First tack coat 4, the second tack coat 5 are ethylene-vinyl acetate copolymer film layer；Described first
The thickness of weathering layer 1 and second weathering layer 2 is 40 μm；The thickness in the intermediate layer 3 is 120 μm；First tack coat 4
It it is 60 μm with the thickness of second tack coat 5.
Operation principle of the present utility model is as follows：The utility model using the first weathering layer by increasing backboard performance
Stability, insulating properties, the corrosion resistance of backboard can be improved using the second weathering layer, the back of the body can be improved using double-deck tack coat
The adhesive property of plate.The fluorine-containing photovoltaic back of the utility model corrosion resistance can effectively improve the corrosion resistance of photovoltaic back, be group
The normal work of part provides permanent guarantee.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of without departing from the utility model know-why, can also do
Go out some improvement and modification, these are improved and modification also should be regarded as protection domain of the present utility model.
Claims (7)
1. the fluorine-containing photovoltaic back of a kind of corrosion resistance, it is characterised in that the photovoltaic back is sequentially provided with from top to bottom：First is resistance to
Wait layer (1), the second weathering layer (2), intermediate layer (3), the first tack coat (4) and the second tack coat (5)；Second weathering layer
(2) upper surface, lower surface is bonding with the lower surface of first weathering layer (1) and the upper surface of the intermediate layer (3) respectively,
Upper surface, the lower surface of first tack coat (4) respectively with the lower surface and second tack coat of the intermediate layer (3)
(5) upper surface bonding, the intermediate layer (3) is PET film layer, and first weathering layer (1) is fluororesin layer, alkyd resin
Layer, polyvinylidene difluoride film layer, polytetrafluoroethylene film layer or ethylene-tetrafluoroethylene copolymer film layer, described second is weather-proof
Layer (2) is polyethylene terephthalate layer, trifluoro solvent-based fluorocarbon resin layer, low-density polyethylene film layer, high density
Film layer or pet film layer.
2. the fluorine-containing photovoltaic back of a kind of corrosion resistance according to claim 1, it is characterised in that：First weathering layer
(1) be polyvinylidene difluoride film layer, polytetrafluoroethylene film layer or ethylene-tetrafluoroethylene copolymer film layer.
3. the fluorine-containing photovoltaic back of a kind of corrosion resistance according to claim 1, it is characterised in that：Second weathering layer
(2) be low-density polyethylene film layer, density polyethylene film with high layer or pet film layer.
4. the fluorine-containing photovoltaic back of a kind of corrosion resistance according to claim 1, it is characterised in that：First tack coat
And second tack coat (5) is ethylene-vinyl acetate copolymer film layer (4).
5. the fluorine-containing photovoltaic back of a kind of corrosion resistance according to claim 3, it is characterised in that：First weathering layer
(1) and second weathering layer (2) thickness be 30-50 μm.
6. the fluorine-containing photovoltaic back of a kind of corrosion resistance according to claim 1, it is characterised in that：The intermediate layer (3)
Thickness is 90-140 μm.
7. the fluorine-containing photovoltaic back of a kind of corrosion resistance according to claim 1, it is characterised in that：First tack coat
(4) and second tack coat (5) thickness be 50-70 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079392.6U CN206154832U (en) | 2016-09-23 | 2016-09-23 | Fluorine -containing photovoltaic back sheet of corrosion resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079392.6U CN206154832U (en) | 2016-09-23 | 2016-09-23 | Fluorine -containing photovoltaic back sheet of corrosion resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206154832U true CN206154832U (en) | 2017-05-10 |
Family
ID=58651671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079392.6U Expired - Fee Related CN206154832U (en) | 2016-09-23 | 2016-09-23 | Fluorine -containing photovoltaic back sheet of corrosion resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206154832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675288A (en) * | 2021-08-16 | 2021-11-19 | 浙江中聚材料有限公司 | Photovoltaic module backboard sample piece and performance testing device thereof |
| CN114447133A (en) * | 2021-12-14 | 2022-05-06 | 乐凯胶片股份有限公司 | Photovoltaic back sheet, method for preparing photovoltaic back sheet and photovoltaic assembly |
-
2016
- 2016-09-23 CN CN201621079392.6U patent/CN206154832U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675288A (en) * | 2021-08-16 | 2021-11-19 | 浙江中聚材料有限公司 | Photovoltaic module backboard sample piece and performance testing device thereof |
| CN113675288B (en) * | 2021-08-16 | 2023-11-17 | 浙江中聚材料有限公司 | Photovoltaic module backboard sample piece and performance testing device thereof |
| CN114447133A (en) * | 2021-12-14 | 2022-05-06 | 乐凯胶片股份有限公司 | Photovoltaic back sheet, method for preparing photovoltaic back sheet and photovoltaic assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170510 Termination date: 20170923 |