CN201540896U - High light-transmission solar panel back membrane - Google Patents
High light-transmission solar panel back membrane Download PDFInfo
- Publication number
- CN201540896U CN201540896U CN 200920220235 CN200920220235U CN201540896U CN 201540896 U CN201540896 U CN 201540896U CN 200920220235 CN200920220235 CN 200920220235 CN 200920220235 U CN200920220235 U CN 200920220235U CN 201540896 U CN201540896 U CN 201540896U
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- China
- Prior art keywords
- solar cell
- printing opacity
- basic unit
- high printing
- notacoria
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- 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
A high light-transmission solar panel back membrane comprises a high light-transmission substrate, and outer side or two sides of the substrate are provided with ultraviolet absorbing layers based on acrylic resin. The high light-transmission solar panel back membrane adopts acrylic acid polymer coatings added with ultraviolet absorber and ultraviolet stabilizer, thereby a back plate has high weatherability and high light transmission, and particularly has a fine shielding function to ultraviolet rays, and surface hardness and electrical performance are high.
Description
Technical field:
The utility model relates to a kind of assembly that is used for solar cell, relates in particular to a kind of high printing opacity solar cell notacoria.
Background technology:
Solar panel is a laminated construction normally, mainly comprises surface layer of glass, EVA sealant, solar cell piece, EVA sealant and solar cell notacoria, and wherein solar cell piece is by two-layer EVA sealant sealed envelope.The main effect of solar cell notacoria is the overall mechanical strength that improves solar panel, can prevent that in addition water vapor permeable from sealant, influencing the useful life of battery sheet.In order to improve the overall performance of notacoria, occurred in the prior art carrying out improved plan at notacoria in a large number.For example, Chinese patent application number was that May 14, publication number in 2008 are the application for a patent for invention of CN101177514 for CN200710185202.8 number, open day, a kind of solar cell backboard and preparation method thereof is disclosed, this backboard comprises basic unit and fluoropolymer layer, and each component of fluoropolymer layer is counted by weight: 25～45 parts of fluorine resins; 1.5～3 parts of modified resin; 0.5～3 part of polymer filler; 0.1～1 part of inorganic filler; 50～70 parts of solvents.The production cost of such scheme is low, function admirable, and its peel strength height, block-water performance is good, good weatherability.Again for example, the EP1938967 european patent application, open day is on July 2nd, 2008, international application no PCT/JP2006/312501, international publication number is WO2007/010706, and date of publication is on January 25th, 2007, discloses a kind of solar cell backboard with good waterproof plate, this solar cell back board module has coating material solidified film at least on a surface of splash guard, this coating material solidified film comprises the coating of the fluorochemical polymers with curable functional group.Such scheme reaches ageing-resistant and purpose that block water by the fluorine material that employing has the excellent in resistance ageing properties, but adopt fluorine material shielding of ultraviolet to need enough thickness, according to scientific validation, in order to make ultraviolet complete attenuation, the thickness of fluorine material should reach 0.45～50mm, and product in the market, in order to reduce cost, thickness having reduced the fluorine film has caused the decline of properties of product.
The utility model content:
Technical problem to be solved in the utility model overcomes the deficiency of above-mentioned prior art, and a kind of solar cell notacoria with high ultraviolet isolating performance, high printing opacity is provided.
According to a kind of high printing opacity solar cell notacoria that the utility model provides, comprise high printing opacity basic unit, the outside of described basic unit or both sides have the UV-absorbing layer based on acrylic resin.
A kind of high printing opacity solar cell notacoria that provides according to the utility model also has following attached technical characterictic:
The thickness of described basic unit is 0.05mm～0.35mm.
The thickness of described basic unit is 0.15mm～0.2mm.
The thickness of described UV-absorbing layer is 0.001mm～0.01mm.
The thickness of described UV-absorbing layer is 0.003mm～0.005mm.
Described basic unit inboard or be positioned at and be formed with fluorosilicone on the inboard UV-absorbing layer and change into rete.
The thickness that described fluorosilicone changes into rete is 0.01 micron to 5 microns.
A kind of high printing opacity solar cell notacoria that provides according to the utility model has following advantage: at first, the utility model makes the outer surface of notacoria have the ultraviolet function increase of absorption to the compound UV-absorbing layer that is added with the acroleic acid polymerization resin of ultra-violet absorber and UV stabilizer of high printing opacity substrate surface; Secondly, the inner surface of notacoria is carried out the fluorosilicone processing, make the adhesive property raising of notacoria and EVA, rete of the present utility model is closely knit, has improved barrier property, especially to the better obstruct of having of steam, humidity resistance is good, and electric property and weather resistance are better.
Description of drawings:
Fig. 1 is the structural representation of a kind of embodiment of the present utility model.
Fig. 2 is the structural representation of another kind of embodiment of the present utility model.
Embodiment:
Embodiment 1:
As shown in Figure 1, a kind of high printing opacity solar cell notacoria, comprise high printing opacity basic unit 1 of making and the UV-absorbing layer 2 that is positioned at described basic unit 1 both sides by one or more polyester materials, described basic unit 1 handles through the nanometer modification, has block-water performance preferably, and light transmittance is more than or equal to 88%, it is in light weight, shape easily, light transmission is good, satisfies the needs of solar cell notacoria fully.Basic unit of the present utility model both sides are equipped with UV-absorbing layer 2, and described UV-absorbing layer is the acrylate copolymer coating, and the acroleic acid polymerization resin is that one-component solidifies or two component cured resin.The content of acroleic acid polymerization resin is 40～60%, wherein also be added with hindered amine light stabilizer, and Nano titanium dioxide light absorber, this UV-absorbing layer is shielding ultraviolet rays effectively, make notacoria have longer useful life, avoid intensification and long-term use aging in the assembly use.Basic unit of the present utility model 1 inboard is after applying UV-absorbing layer 2, also using plasma activates its surface, and add one or more mixture such as silane coupler, fluorosilicone polysiloxanes as modifier, the surface is formed with fluorosilicone and changes into rete 3 within it, make notacoria have higher caking property, be more prone to bond with EVA.
Embodiment 2:
As shown in Figure 2, a kind of high printing opacity solar cell notacoria, comprise the high printing opacity basic unit 1 of making and be positioned at the UV-absorbing layer 2 in the described basic unit outside by one or more polyester materials, described basic unit 1 handles through the nanometer modification, has block-water performance preferably, and light transmittance is more than or equal to 88%, it is in light weight, shape easily, light transmission is good, satisfies the needs of solar cell notacoria fully.The basic unit of the present utility model outside is provided with UV-absorbing layer 2, and described UV-absorbing layer is the acrylate copolymer coating, and the acroleic acid polymerization resin is that one-component solidifies or two component cured resin.The content of acroleic acid polymerization resin is 40～60%, wherein also be added with hindered amine light stabilizer, and Nano titanium dioxide light absorber, this UV-absorbing layer 2 is shielding ultraviolet rays effectively, make notacoria have longer useful life, avoid intensification and long-term use aging in the assembly use.Basic unit of the present utility model 1 inboard using plasma activates its surface, and add one or more mixture such as silane coupler, fluorosilicone polysiloxanes as modifier, side is formed with fluorosilicone and changes into rete 3 within it, make notacoria have higher caking property, be more prone to bond with EVA.
In two above-mentioned embodiment that the utility model provides, the thickness of described UV-absorbing layer 2 is 0.001mm～0.01mm, preferred 0.003mm～0.005mm.Concrete numerical value can be elected 0.002mm, 0.003mm, 0.004mm, 0.005mm and 0.008mm as, and when wherein selecting 0.003mm, 0.004mm and 0.005mm for use, cost performance is the highest, also more can satisfy the requirement of technology.
In above-mentioned two embodiment that the utility model provides, the thickness that described fluorosilicone changes into rete 3 is 0.01 micron to 5 microns, preferred scheme is between 0.1 micron to 2 microns, and concrete numerical value can be elected 0.01 micron, 0.05 micron, 0.1 micron, 0.2 micron, 0.5 micron, 0.8 micron, 1 micron, 1.5 microns, 2 microns as.The thickness that fluorosilicone is changed into rete 3 is limited in the above-mentioned size range and can better meets close-burning demand, and selects above-mentioned concrete one-tenth-value thickness 1/10, can better meet technological requirement.
In above-mentioned two embodiment that the utility model provides, the thickness of described basic unit 1 is 0.05mm～0.35mm, preferred scheme is 0.15mm～0.2mm, and concrete numerical value can be elected 0.10mm, 0.15mm, 0.18mm, 0.20mm, 0.25mm, 0.30mm, 0.35mm as.Select the basic unit 1 of above-mentioned thickness can make notacoria have higher intensity, and have higher light transmission, be beneficial to the daylighting of solar cell, generally can adopt polyester material PET, the light transmittance of PET is good greater than 88%.And the selection of above-mentioned concrete one-tenth-value thickness 1/10, the better relation between balance light transmission and the intensity.Make and satisfying under the requirement of strength to have higher light transmission.
Select above-mentioned material for use, can fully satisfy the demand of notacoria, can be made into solar cell notacoria, satisfy the demand of the solar cell of special shape with flexibility.
Following table is a concrete test parameters of the present utility model:
| Project | Unit | Numerical value |
| Xanthochromia index (QUVB irradiation 2000h) | Δδ | ≤0.5 |
| Breakdown voltage strength | KV/mm | ≥50 |
| Moisture-vapor transmission | g/m 2.d | ≤1 |
| With the EVA bonding action | N/cm | ≥30 |
Claims (7)
1. one kind high printing opacity solar cell notacoria comprises high printing opacity basic unit, and it is characterized in that: the outside of described basic unit or both sides have the UV-absorbing layer based on acrylic resin.
2. a kind of high printing opacity solar cell notacoria as claimed in claim 1, it is characterized in that: the thickness of described basic unit is 0.05mm～0.35mm.
3. a kind of high printing opacity solar cell notacoria as claimed in claim 2, it is characterized in that: the thickness of described basic unit is 0.15mm～0.2mm.
4. a kind of high printing opacity solar cell notacoria as claimed in claim 1, it is characterized in that: the thickness of described UV-absorbing layer is 0.001mm～0.01mm.
5. a kind of high printing opacity solar cell notacoria as claimed in claim 4, it is characterized in that: the thickness of described UV-absorbing layer is 0.003mm～0.005mm.
6. a kind of high printing opacity solar cell notacoria as claimed in claim 1 is characterized in that: described basic unit inboard or be positioned at and be formed with fluorosilicone on the inboard UV-absorbing layer and change into rete.
7. a kind of high printing opacity solar cell notacoria as claimed in claim 6 is characterized in that: the thickness that described fluorosilicone changes into rete is 0.01 micron to 5 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920220235 CN201540896U (en) | 2009-10-27 | 2009-10-27 | High light-transmission solar panel back membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920220235 CN201540896U (en) | 2009-10-27 | 2009-10-27 | High light-transmission solar panel back membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540896U true CN201540896U (en) | 2010-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920220235 Expired - Lifetime CN201540896U (en) | 2009-10-27 | 2009-10-27 | High light-transmission solar panel back membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201540896U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468352A (en) * | 2010-11-01 | 2012-05-23 | 武汉美格能源科技有限公司 | High-barrier flexible back film |
| CN102642360A (en) * | 2012-05-03 | 2012-08-22 | 上海鑫冠橡胶材料有限公司 | Fluoride-free solar battery rear panel and preparation method thereof |
| CN104385741A (en) * | 2014-11-14 | 2015-03-04 | 无锡中洁能源技术有限公司 | Anti-fog solar cell panel back film and preparation method thereof |
| CN112786724A (en) * | 2021-01-07 | 2021-05-11 | 浙江歌瑞新材料有限公司 | Transparent photovoltaic backboard with high weather resistance and low water vapor transmittance |
-
2009
- 2009-10-27 CN CN 200920220235 patent/CN201540896U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468352A (en) * | 2010-11-01 | 2012-05-23 | 武汉美格能源科技有限公司 | High-barrier flexible back film |
| CN102642360A (en) * | 2012-05-03 | 2012-08-22 | 上海鑫冠橡胶材料有限公司 | Fluoride-free solar battery rear panel and preparation method thereof |
| CN104385741A (en) * | 2014-11-14 | 2015-03-04 | 无锡中洁能源技术有限公司 | Anti-fog solar cell panel back film and preparation method thereof |
| CN112786724A (en) * | 2021-01-07 | 2021-05-11 | 浙江歌瑞新材料有限公司 | Transparent photovoltaic backboard with high weather resistance and low water vapor transmittance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU JOLYWOOD SUNWATT CO., LTD. Free format text: FORMER NAME: JOLYWOOD (SUZHOU) SOLAR MATERIAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 215542 Chang Kun Industrial Park, 32, Sha Bang Town, Jiangsu, Qingnian Road, Changshou City Patentee after: Jolywood (Suzhou ) Sunwatt Co., Ltd. Address before: 215500 Jiangsu province Changshou City Yushan High-tech Industrial Park Jianye Road No. 3 Patentee before: Jolywood (Suzhou) Solar Material Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |