CN202405287U - Zero-shrinkage EVA (Ethylene vinyl acetate Copolymer) glue film for packaging photovoltaic component - Google Patents
Zero-shrinkage EVA (Ethylene vinyl acetate Copolymer) glue film for packaging photovoltaic component Download PDFInfo
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- CN202405287U CN202405287U CN 201120561378 CN201120561378U CN202405287U CN 202405287 U CN202405287 U CN 202405287U CN 201120561378 CN201120561378 CN 201120561378 CN 201120561378 U CN201120561378 U CN 201120561378U CN 202405287 U CN202405287 U CN 202405287U
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- eva
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- glued membrane
- nonwoven fabrics
- shunk
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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 discloses a zero-shrinkage EVA (Ethylene vinyl acetate Copolymer) glue film for packaging a photovoltaic component. The zero-shrinkage EVA glue film comprises an EVA glue film layer and a non-woven cloth layer which is arranged on the EVA glue film layer. The zero-shrinkage EVA glue film has the advantages that the air suction time can be reduced in the solar battery packaging process, the packaging efficiency of a solar battery is improved, a battery slice is prevented from shifting, the appearance of a solar battery component is improved, and the percent of pass of solar battery packaging is increased.
Description
Technical field
The utility model relates to a kind of photovoltaic module encapsulation and shrinks the EVA glued membrane with zero, and especially, it is zero compound film sheet that the utility model relates to a kind of shrinkage.
Background technology
Solar energy is a kind of green non-pollution and the inexhaustible energy, mainly is to utilize solar panel to convert thereof into electric energy at present, and then it is used as other purposes, like street lamp, water heater, electric automobile etc.Because it is outdoor that solar cell generally is used for, environment of living in is more abominable, therefore need it be protected, and glass plate (header board) commonly used, packaging adhesive film and backboard encapsulate it.Wherein, the effect of glued membrane is that header board and backboard are coupled together, and the encapsulation solar module.。What the packaging adhesive film application was maximum is the EVA glued membrane, generally is to adopt two identical EVA glued membranes that solar cell device is clipped in the middle.This glued membrane is crosslinked in the process of lamination of solar battery components, and glass plate (header board) and back veneer material are coupled together, and simultaneously solar cell device is encapsulated.
At present, the packaging adhesive film of photovoltaic module mainly is EVA (ethylene-vinyl acetate copolymer), and the EVA material of process modification plays a protective role to assembly, can guarantee that assembly normally uses 20-30.Yet in use also there is following problem in the EVA material:
(1) the EVA glued membrane mainly adopts The tape casting or rolling process preparation, can produce certain stretching to glued membrane in process of production, makes the EVA glued membrane have internal stress in various degree, causes producing thermal contraction in the component package process.And the contraction of EVA work in-process can cause occurring in the assembly starved, bubble, the displacement of battery sheet, the battery sheet is squeezed problems such as broken, thereby expensive battery sheet is scrapped;
(2) production efficiency has much room for improvement.The EVA glued membrane has good encapsulation performance for guaranteeing at present, and the lamination time of assembly is generally 18-23min.How to shorten the lamination time, enhance productivity, the EVA encapsulating material is proposed higher requirement;
(3) outward appearance of battery sheet remains to be improved.In the component package process because the contraction or the skin-friction force of EVA film is little, the battery sheet total more or less have a slight shift, so the battery sheet of marshalling always has that some are uneven after through encapsulation, when serious in addition battery sheet and sheet cause short circuit.
For improving above phenomenon, people adopt multiple mode to solve, and as through regulating EVA glued membrane technology, reduce its shrinkage, but this method can reduce EVA glued membrane productive rate, increase cost; And for example, prevent the displacement of battery sheet through pasting locating adhesive tape, but can cause bubble, and bring the risk of quickening xanthochromia.
The utility model content
The purpose of the utility model is the deficiency to prior art, provides a kind of and can enhance productivity, improve the encapsulation rate of finished products and the photovoltaic module encapsulation that can improve outward appearance is shunk the EVA glued membrane with zero.
For achieving the above object, the utility model adopts following technical scheme to realize:
The photovoltaic module encapsulation is shunk the EVA glued membrane with zero, it is characterized in that comprising EVA adhesive film and nonwoven layer, and said nonwoven layer is located on the said EVA adhesive film.Should be composited by EVA adhesive film and nonwoven layer by zero contraction EVA glued membrane.
Further, the EVA glued membrane in the said EVA adhesive film is an EVA film adhesive for solar cell package, and it is crosslinking curing in use.
Further, the nonwoven fabrics in the said nonwoven layer can be one or more in inorfil nonwoven fabrics or the organic fiber nonwoven fabrics.
Further, said inorfil nonwoven fabrics can be one or more in glass fibre non-woven, ceramic fibre nonwoven fabrics, carbon fiber nonwoven fabric or the metallic fiber nonwoven fabric.
Further, said organic fiber nonwoven fabrics can be one or more in polypropylene fibre (PP) fabric nonwoven cloth, terylene (PET) fabric nonwoven cloth, polyamide fibre (PA) fabric nonwoven cloth, polyethylene (HDPE) fabric nonwoven cloth, polyvinyl chloride fibre (PVC) fabric nonwoven cloth or acrylic fibers (PAN) fabric nonwoven cloth.
According to the characteristics of solar cell package, preferred short glass fiber nonwoven fabrics.
Further, the shrinkage of the described EVA glued membrane of the utility model is zero.
Further, the utility model is used between solar battery sheet and the back veneer material, and said nonwoven layer is towards solar battery sheet.
The beneficial effect of the utility model is: can reduce the time of bleeding, improve the packaging efficiency of solar cell, prevent the displacement of battery sheet, improve the outward appearance of solar module, improve the qualification rate of solar cell package.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the solar module of use the utility model.
Embodiment
For structure, characteristic and effect thereof to the utility model, can have and further understand and be familiar with, lift a preferred embodiment at present, and be described with reference to the accompanying drawings as follows:
Shown in Fig. 1-2, the described photovoltaic module encapsulation of the utility model is shunk EVA glued membrane 1 with zero, comprises EVA adhesive film 12 and nonwoven layer 11, and nonwoven layer 11 is located on the EVA adhesive film 12.Should be composited by EVA adhesive film 12 and nonwoven layer 11 by zero contraction EVA glued membrane 1.Preferably, nonwoven layer 11 is formed by the short glass fiber nonwoven fabrics.
During use, as shown in Figure 2, with glass plate 5 (header board), backboard 2, EVA glued membrane 4, and the utility model described zero shrinks EVA glued membrane 1 with 3 encapsulation of battery sheet.
In use, the nonwoven layer 11 of zero contraction EVA glued membrane 1 is towards battery sheet 3, and EVA adhesive film 12 is towards backboard 2.The shrinkage of zero contraction EVA glued membrane 1 is zero, and the exhaust performance enhancing, and can prevent the displacement of battery sheet.
The above is merely the preferred embodiment of the utility model; It is not the practical range that limits the utility model with this; Allly be familiar with this operator; The principle and the technical characterictic of utilization the utility model, various changes and the decoration done all should be covered by within the protection category that these claims define.
Claims (8)
1. the photovoltaic module encapsulation is shunk the EVA glued membrane with zero, it is characterized in that comprising EVA adhesive film and nonwoven layer, and said nonwoven layer is located on the said EVA adhesive film.
2. photovoltaic module encapsulation according to claim 1 is shunk the EVA glued membrane with zero, and it is characterized in that: the EVA glued membrane in the said EVA adhesive film is an EVA film adhesive for solar cell package.
3. photovoltaic module encapsulation according to claim 1 is shunk the EVA glued membrane with zero, and it is characterized in that: the nonwoven fabrics in the said nonwoven layer can be one or more in inorfil nonwoven fabrics or the organic fiber nonwoven fabrics.
4. photovoltaic module encapsulation according to claim 3 is shunk the EVA glued membrane with zero, and it is characterized in that: said inorfil nonwoven fabrics can be one or more in glass fibre non-woven, ceramic fibre nonwoven fabrics, carbon fiber nonwoven fabric or the metallic fiber nonwoven fabric.
5. photovoltaic module encapsulation according to claim 3 is shunk the EVA glued membrane with zero, and it is characterized in that: said organic fiber nonwoven fabrics can be one or more in polypropylene fiber nonwoven fabrics, polyster fibre nonwoven fabrics, nylon fibre nonwoven fabrics, polyethylene fibre nonwoven fabrics, polyvinyl chloride fibre fiber nonwoven fabrics, the acrylic fiber nonwoven fabrics.
6. photovoltaic module encapsulation according to claim 1 is shunk the EVA glued membrane with zero, and it is characterized in that: the nonwoven fabrics in the said nonwoven layer is the short glass fiber nonwoven fabrics.
7. photovoltaic module encapsulation according to claim 1 is shunk the EVA glued membrane with zero, it is characterized in that: the shrinkage of said EVA glued membrane is zero.
8. photovoltaic module encapsulation according to claim 1 is shunk the EVA glued membrane with zero, it is characterized in that: this zero EVA of contraction glued membrane is used between solar battery sheet and the back veneer material, and said nonwoven layer is towards solar battery sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120561378 CN202405287U (en) | 2011-12-28 | 2011-12-28 | Zero-shrinkage EVA (Ethylene vinyl acetate Copolymer) glue film for packaging photovoltaic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120561378 CN202405287U (en) | 2011-12-28 | 2011-12-28 | Zero-shrinkage EVA (Ethylene vinyl acetate Copolymer) glue film for packaging photovoltaic component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202405287U true CN202405287U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120561378 Expired - Lifetime CN202405287U (en) | 2011-12-28 | 2011-12-28 | Zero-shrinkage EVA (Ethylene vinyl acetate Copolymer) glue film for packaging photovoltaic component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202405287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347742A (en) * | 2013-08-06 | 2015-02-11 | 3M创新有限公司 | Packaging material for solar battery and solar battery pack using same |
| WO2019184242A1 (en) * | 2018-03-30 | 2019-10-03 | 君泰创新（北京）科技有限公司 | Flexible battery assembly and manufacturing method therefor |
-
2011
- 2011-12-28 CN CN 201120561378 patent/CN202405287U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347742A (en) * | 2013-08-06 | 2015-02-11 | 3M创新有限公司 | Packaging material for solar battery and solar battery pack using same |
| WO2019184242A1 (en) * | 2018-03-30 | 2019-10-03 | 君泰创新（北京）科技有限公司 | Flexible battery assembly and manufacturing method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: 510700 No.22, Pubei Road, YUNPU Industrial Zone, Huangpu District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU LUSHAN NEW MATERIALS Co.,Ltd. Patentee after: Jiangsu Lushan New Material Co.,Ltd. Address before: 510530, No. 22, Po Bei Road, Po Po Industrial Zone, Whampoa District, Guangdong, Guangzhou Patentee before: GUANGZHOU LUSHAN NEW MATERIALS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |