CN103646980B - A kind of notacoria with ultraviolet translation function - Google Patents
A kind of notacoria with ultraviolet translation function Download PDFInfo
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- CN103646980B CN103646980B CN201310722999.6A CN201310722999A CN103646980B CN 103646980 B CN103646980 B CN 103646980B CN 201310722999 A CN201310722999 A CN 201310722999A CN 103646980 B CN103646980 B CN 103646980B
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- ultraviolet
- notacoria
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- translation function
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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 invention provides a kind of notacoria with ultraviolet translation function, comprise: impermeability sheet material basic unit, weathering layer, particularly, this solar energy back film also comprises that the one side being formed in basic unit easily bonds, the layer of resistance to ultraviolet, and the macromolecular adhesive layer for basic unit and weathering layer being bondd between basic unit's another side and weathering layer.Patented product of the present invention can convert (400-1100nm) light reflection of long-wave band to out by inciding the outer field ultraviolet light of resistance to purple (315-380nm).While protection basic unit, improve the quantity of illumination of photovoltaic cell, thus improve the power of photovoltaic module.
Description
Technical field
The invention belongs to solar components technical field, particularly relate to a kind of solar energy back film with ultraviolet translation function.
Background technology
Solar energy back film cost shared by solar components is about 8%, but most important to the reliability of solar components, power output.The Main Function of sun notacoria is protection solar battery sheet, prevents steam, ultraviolet light to the erosion of solar battery sheet, and thus solar energy back film must have good wet and heat ageing resistant, ultraviolet aging resistance, the performance such as corrosion-resistant, high temperature resistant.
Present main flow solar energy back film is formed by fluorine-contained film, PET basic unit and EVA or PE film trilamellar membrane Material cladding.This type of notacoria has following shortcoming: the EVA/PE film of notacoria under ultraviolet light easily xanthochromia, cracking, reflecting rate is low affects cell power generation efficiency, difficulty etc. reprocessed by assembly.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art; the invention provides a kind of solar energy back film; it has light ultraviolet light (315-380nm) being converted to 400-1100nm; the light of the 400-1100nm of conversion is carried out diffuse reflection while protecting group sheet material layers to increase the quantity of illumination of solar battery sheet unit are; improve the generating efficiency of solar module, and cost is lower.
For achieving the above object, present invention employs following technical scheme:
A kind of notacoria with ultraviolet translation function, comprise basic unit, weathering layer, it is characterized in that, this notacoria also comprise be formed in described basic unit lower surface on the ultraviolet light of the 315-380nm in sunlight converted to the ultraviolet conversion layer of the light of 400-1100nm, and to be formed between described basic unit and described weathering layer, for the macromolecular adhesive layer of bond basic unit and weathering layer.
Preferably, described basic unit is the mixture basic unit of a kind of in PEN, PET, PBT, PA or at least two kinds, and its thickness is 10-800 μm.
Preferably, described weathering layer is made up of pvdf membrane, PVF film, ETFE film, FEVE film, PA film, pen film, PBT film or high durable PET film.
Preferably, described weathering layer thickness is 5-200 μm.
Preferably, by least one in acrylic resin, polyurethane, epoxy resin, polytetrafluoroethylene, polytrifluorochloroethylene or silicon rubber, at least one of adding in the nano-powders such as nano-calcium carbonate, nano titanium oxide, nano zine oxide, nano tin dioxide is formed described ultraviolet layer.
Preferably, the outer field thickness of described purple is 1-40 μm.
Preferably, described macromolecular adhesive layer is made up of acrylic resin adhesive, epoxy resin adhesive or adhesive for polyurethane.
Preferably, the thickness of described macromolecular adhesive layer is 1-40 μm.
Invention advantage:
Solar energy back film of the present invention is four-layer structure; it is coated with the ultraviolet layer that the ultraviolet light of the 315-380nm in sunlight can be converted to the light of 400-1100nm in basic unit; while protecting base material; improve the generating efficiency of photovoltaic module; and make photovoltaic module be easy to reprocess, make the life-span of solar components meet or exceed 25 years.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with the notacoria of ultraviolet translation function;
Wherein: 1, be basic unit; 2, weathering film layer; 3, ultraviolet layer; 4, macromolecular adhesive layer.
Embodiment
Embodiment 1:
See Fig. 1, a kind of notacoria with ultraviolet translation function is four-layer structure, comprise and be followed successively by weathering layer 2, macromolecular adhesive layer 4, basic unit 1 and ultraviolet layer 3 from top to bottom, wherein bondd by macromolecular adhesive layer 4 between weathering layer 2 and basic unit 1, ultraviolet layer 3 is directly coated in the lower surface in basic unit 1.
In this example, basic unit 1 is PET basic unit, and its thickness can be 10-800 μm, and preferred thickness is 150-350 μm, and concrete thickness is 150 μm, 200 μm, 250 μm, 275 μm, 300 μm, 350 μm etc.
In this example, weathering film layer 2 is etfe film, and this rete also can select PVF film, can be PVDF thin film, also can select weather-proof PET film.The thickness of weathering film layer is 5-200 μm, and preferred thickness is 10-40 μm, and concrete thickness can be 10 μm, 20 μm, 25 μm, 30 μm, 35 μm, 40 μm etc.
In this example, weathering resistance coatings 3, for the addition of the acrylic resin rete of nano zine oxide, also can be chosen as polyurethane film; The thickness of weathering resistance coatings 3 can be 1-40 μm, and preferred thickness is 2-10 μm, and concrete thickness is 2 μm, 4 μm, 5 μm, 7 μm, 9 μm, 10 μm etc.
In this example, macromolecular adhesive 4 is formed by acrylic resin, and it can select adhesive for polyurethane.The thickness of adhesive layer 4 is 1-40 μm, and preferred thickness is 2-10 μm, and its concrete thickness can be 4 μm, 8 μm, 10 μm etc.
The above-mentioned notacoria with ultraviolet translation function to the transfer ratio of ultraviolet light be 80%, the reflectivity of 400-1100nm range of light is 93%, and the conversion efficiency of photovoltaic module can be made to improve 1.5%; Excellent ultra-violet resistance (with EVA laminate surface UV120KW, △ b=1.5), reprocesses noresidue.And the light reflectance of traditional solar energy back film only has about 78%, ultra-violet resistance difference (with EVA laminate surface UV120KW, △ b=12) and difficulty are reprocessed.
To sum up, the notacoria with ultraviolet translation function of the present invention has good ultraviolet light conversion performance, high reflectance, can promote the power of photovoltaic module significantly, and easily reprocess, have lower production cost.
It is to be noted; as described above is only the preferred embodiment explaining the present invention; not attempt does any restriction in form to the present invention according to this; be with; all any modification or changes having the relevant the present invention that does under identical invention spirit, all must be included in the category that the invention is intended to protection.
Claims (8)
1. one kind has the notacoria of ultraviolet translation function, comprise basic unit (1) and weathering layer (2), it is characterized in that, this notacoria also comprise be formed in described basic unit (1) lower surface on the ultraviolet light of the 315-380nm in sunlight converted to the ultraviolet conversion layer (3) of the light of 400-1100nm, and be formed in the macromolecular adhesive layer (4) for the basic unit that bonds (1) and weathering layer (2) between described basic unit (1) and described weathering layer (2).
2. the notacoria with ultraviolet translation function according to claim 1, is characterized in that, the mixture basic unit that described basic unit (1) is a kind of in PEN, PET, PBT, PA or at least two kinds, its thickness is 10-800 μm.
3. the notacoria with ultraviolet translation function according to claim 1 and 2, is characterized in that, described weathering layer (2) is made up of pvdf membrane, PVF film, ETFE film, FEVE film, PA film, pen film, PBT film or high durable PET film.
4. the notacoria with ultraviolet translation function according to claim 3, is characterized in that, described weathering layer thickness is 5-200 μm.
5. a kind of notacoria with ultraviolet translation function according to claim 1 and 2, it is characterized in that, at least one that described ultraviolet conversion layer (3) is added in nano-calcium carbonate, nano titanium oxide, nano zine oxide, nano tin dioxide nano-powder by least one in acrylic resin, polyurethane, epoxy resin, polytetrafluoroethylene, polytrifluorochloroethylene or silicon rubber is formed.
6. the notacoria with ultraviolet translation function according to claim 5, is characterized in that, the thickness of described ultraviolet conversion layer (3) is 1-40 μm.
7. the notacoria with ultraviolet translation function according to claim 1 and 2, is characterized in that, described macromolecular adhesive layer (4) is made up of acrylic resin adhesive, epoxy resin adhesive or adhesive for polyurethane.
8. the notacoria with ultraviolet translation function according to claim 7, is characterized in that, the thickness of described macromolecular adhesive layer (4) is 1-40 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722999.6A CN103646980B (en) | 2013-12-24 | 2013-12-24 | A kind of notacoria with ultraviolet translation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722999.6A CN103646980B (en) | 2013-12-24 | 2013-12-24 | A kind of notacoria with ultraviolet translation function |
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| Publication Number | Publication Date |
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| CN103646980A CN103646980A (en) | 2014-03-19 |
| CN103646980B true CN103646980B (en) | 2016-02-17 |
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| CN201310722999.6A Expired - Fee Related CN103646980B (en) | 2013-12-24 | 2013-12-24 | A kind of notacoria with ultraviolet translation function |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882502A (en) * | 2015-05-15 | 2015-09-02 | 苏州市亘晟涂装工程有限公司 | Solar battery |
| CN107393987A (en) * | 2016-05-11 | 2017-11-24 | 张家港康得新光电材料有限公司 | Encapsulating material and photoelectric device |
| CN106024950A (en) * | 2016-07-26 | 2016-10-12 | 无锡中洁能源技术有限公司 | Solar cell backboard with high adhesion rate |
| CN109486173A (en) * | 2018-11-28 | 2019-03-19 | 沛县国源光伏电力有限公司 | A kind of anti-aging plastic cement of solar panel |
| CN109705767B (en) * | 2018-12-29 | 2021-06-04 | 苏州度辰新材料有限公司 | Structural white packaging adhesive film for solar cell module |
| CN115274897B (en) * | 2022-07-18 | 2023-06-06 | 江苏中来新材科技有限公司 | High-reflection photovoltaic backboard and double-sided photovoltaic module |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683467A (en) * | 2012-05-15 | 2012-09-19 | 中国科学院半导体研究所 | Solar battery module |
| CN203932085U (en) * | 2013-12-24 | 2014-11-05 | 江苏金瑞晨新材料有限公司 | A kind of notacoria with ultraviolet translation function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001007377A (en) * | 1999-06-23 | 2001-01-12 | Toshiro Maruyama | Solar cell module having film of fluorescent substance formed on light receiving face |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683467A (en) * | 2012-05-15 | 2012-09-19 | 中国科学院半导体研究所 | Solar battery module |
| CN203932085U (en) * | 2013-12-24 | 2014-11-05 | 江苏金瑞晨新材料有限公司 | A kind of notacoria with ultraviolet translation function |
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| CN103646980A (en) | 2014-03-19 |
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Granted publication date: 20160217 Termination date: 20201224 |