CN106449840B - A kind of photovoltaic module reflectance coating and photovoltaic module - Google Patents
A kind of photovoltaic module reflectance coating and photovoltaic module Download PDFInfo
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- CN106449840B CN106449840B CN201611201822.1A CN201611201822A CN106449840B CN 106449840 B CN106449840 B CN 106449840B CN 201611201822 A CN201611201822 A CN 201611201822A CN 106449840 B CN106449840 B CN 106449840B
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- photovoltaic module
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- reflectance coating
- reflecting layer
- triangular prism
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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
- Y02E10/52—PV systems with concentrators
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- Optical Elements Other Than Lenses (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
The present invention provides a kind of photovoltaic module reflectance coating, including base material, micro-structural reflecting layer, fixed glue-line, the micro-structural reflecting layer is arranged on the substrate upper surface, the micro-structural reflecting layer includes microstructured layers, reflecting layer, the reflecting layer is coated in the microstructured layers surface, the fixed glue-line is arranged on the base material lower surface, the microstructured layers are by a plurality of micro- lateral continuous arrangements of triangular prism, micro- triangular prism one side is located at the substrate upper surface, and the crest line direction of micro- triangular prism is parallel with length substrate direction.The present invention is compared to prior art, microstructured layers are set for triangular prism lying status, incident ray can be reflected to multiple directions and be reabsorbed by cell piece, the area of reflecting surface can be effectively increased, also the light for making to reflect reaches greater area of cell piece surface and recycled, the efficiency of light energy utilization is improved, increases the power output of photovoltaic module.
Description
Technical field
The present invention relates to a kind of reflectance coating, particularly a kind of reflectance coating for being affixed on photovoltaic module cell piece surface.
Background technology
Photovoltaic welding belt is applied to the connection between photovoltaic module cell piece, plays the conductive important function for gathering electricity.In order to protect
The welding of card welding and cell piece is firm and prevents welding from corroding, and welding surface is coated with tin layers, when sun light direct beam to welding
During surface, tin layers can directly reflect away sunshine, and this part sunshine can not be utilized by cell panel, cause luminous energy
Waste.
There is part welding body to be used for reflection light provided with striated structure, but welding base material is copper material bar in processing
Line structure is difficult to microstructure, and reflective surface is unsatisfactory, Tu Xihou, and it is uneven to easily cause tin thickness, easily causes battery
The fragment of piece, tin raw material price is high, blocked up to cause serious waste.
It is frivolous due to cell piece in photovoltaic module production and assembly, fragment is easily caused, reduces battery fragment rate also always
It is to reduce production cost, the important topic increased the benefit.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide it is a kind of it is simple in construction, cost is low, energy
The photovoltaic module reflectance coating and photovoltaic module that light is made full use of.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of photovoltaic module reflectance coating, including base material, micro-structural reflecting layer, fixed glue-line, the micro-structural reflecting layer is set
Surface on the substrate is put, the micro-structural reflecting layer includes microstructured layers, reflecting layer, and the reflecting layer is coated in described micro-
Structure layer surface, the fixed glue-line are arranged on the base material lower surface, and the microstructured layers are lateral by a plurality of micro- triangular prisms
Continuous arrangement, micro- triangular prism one side are located at the substrate upper surface, and crest line direction and the base material of micro- triangular prism are grown
It is parallel to spend direction.
The present invention is set compared to prior art, microstructured layers for triangular prism lying status, can be effectively increased reflecting surface
Area, the light that reflects is reached greater area of cell piece surface and recycled, improve the efficiency of light energy utilization, increase
The power output of photovoltaic module.
Further, micro- triangular prism corner angle is 60 ° -150 °, preferably 120 °.
Using above-mentioned preferable scheme, ensure structural stability while reflective area is improved.
Further, the bottom width of micro- triangular prism is 50 μm.
Using above-mentioned preferable scheme, under the guarantee of Mold Making ability, micro-structural is refined, can be preferably by reflected light
Line recycles.
Further, concavo-convex alternate multi-stylus corner structure is cut at the top of micro- triangular prism.
Using above-mentioned preferable scheme, microstructure height is reduced, and saves space, vertically to reflecting surface also obtain
Strong increase, the incident ray of small incidence angle are preferably utilized.
Further, the microstructured layers are the ultra-violet curing glue-line that UV solidifications form.
Using above-mentioned preferable scheme, the precision die corresponding with micro-structural is first made, then using UV curing technologies
Microstructured layers are generated, forming precision is high, and integrated shaping, ensures the stability of micro-structural.
Further, the reflecting layer is plating aluminium alloy.
Using above-mentioned preferable scheme, obtained reflecting layer cost is cheap, and reflecting effect is good, and corrosion resistance is strong.
Further, the fixed glue-line is EVA hot-melt adhesive.
Using above-mentioned preferable scheme, cost is low, is affixed on cell piece surface conveniently, firmly.
A kind of photovoltaic module, including multiple cell pieces, the welding for being connected to cell piece surface, photovoltaic module reflectance coating, institute
State the surface that photovoltaic module reflectance coating is arranged at cell piece, the photovoltaic module reflection film base material is transparent base, the photovoltaic
Component reflectance coating includes clear area, the echo area in the reflecting layer containing micro-structural of printing opacity, and cell piece upper surface is correspondingly arranged as photovoltaic
Component reflectance coating clear area, welding upper surface are correspondingly arranged as photovoltaic module reflectance coating echo area.
The present invention is affixed on cell piece upper surface, corresponded to compared to prior art, the direct monoblock type of photovoltaic module reflectance coating
The part of welding is echo area on cell piece, avoids wall scroll welding surface and sets the cumbersome of reflectance coating one by one, convenient and swift, instead
Penetrate film monoblock type and play strengthening action for cell piece, effectively prevent cell piece fragment from occurring.
Further, the photovoltaic reflectance coating overall dimensions match with single battery piece.
It is easy to assembly using above-mentioned preferable scheme, reduce cell piece fragment rate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
The structural representation that it is multi-stylus corner structure at the top of another micro- triangular prism of the invention that Fig. 2, which is,.
Fig. 3 is a kind of structural representation of photovoltaic module single battery piece and welding.
Fig. 4 is the structural representation of a kind of the photovoltaic module reflectance coating clear area and echo area of corresponding diagram 3.
Fig. 5 is a kind of structural representation of photovoltaic module.
Numeral and the title of the corresponding component represented by letter in figure：
1- base materials；2- micro-structurals reflecting layer；3- fixes glue-line；4- cell pieces；5- weldings；6- clear areas；7- echo areas；8-
Sheet glass；11- incident rays；12- reflection lights；13- is totally reflected light；21- microstructured layers；22- reflecting layer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to reach the purpose of the present invention, as shown in figure 1, being in one embodiment of the present invention：A kind of photovoltaic module
Reflectance coating, including base material 1, micro-structural reflecting layer 2, fixed glue-line 3, micro-structural reflecting layer 2 is arranged on the upper surface of base material 1, micro- knot
Structure reflecting layer 2 includes microstructured layers 21, reflecting layer 22, and reflecting layer 22 is coated in the surface of microstructured layers 21, and fixed glue-line 3 is arranged on
The lower surface of base material 1, microstructured layers 21 are located at base material by a plurality of micro- lateral continuous arrangements of triangular prism, micro- triangular prism one side
1 upper surface, the crest line direction of micro- triangular prism are parallel with the length direction of base material 1.
It is using the beneficial effect of above-mentioned technical proposal：Microstructured layers are set for triangular prism lying status, can effectively increase
Add the area of reflecting surface, the light for also making to reflect reaches greater area of cell piece surface and recycled, and improves luminous energy profit
With rate, increase the power output of photovoltaic module.
The present invention other embodiments in, in order to reach improve catoptric arrangement stability purpose, described micro- three
Prism top angle angle is 60 ° -150 °, preferably 120 °.It is using the beneficial effect of above-mentioned technical proposal：Improving reflective area
While ensure structural stability.
In other embodiments of the present invention, in order to reach the purpose of refinement micro-structural, the bottom of micro- triangular prism
Face width is 50 μm.It is using the beneficial effect of above-mentioned technical proposal：Under the guarantee of Mold Making ability, micro-structural is refined,
Preferably reflection light can be recycled.
As shown in Fig. 2 in other embodiments of the present invention, space is saved in order to reach, increases effective reflecting surface
Long-pending purpose, cut into concavo-convex alternate multi-stylus corner structure at the top of the micro- triangular prism, vertically to reflecting surface also obtain effectively
Increase.It is using the beneficial effect of above-mentioned technical proposal：Microstructure height is reduced, and saves space, and intensity of illumination is big
The incident ray of small incidence angle is preferably utilized.
In other embodiments of the present invention, in order to reach the purpose for making stable micro-structural, the microstructured layers
21 be the ultra-violet curing glue-line that UV solidifications form.It is using the beneficial effect of above-mentioned technical proposal：First make relative with micro-structural
The precision die answered, microstructured layers then are generated using UV curing technologies, forming precision is high, and integrated shaping, ensures
The stability of micro-structural.
It is described anti-in order to reach the purpose that the cost of reflecting layer 22 is low, effect is good in other embodiments of the present invention
Layer 22 is penetrated as plating aluminium alloy.It is using the beneficial effect of above-mentioned technical proposal：Obtained reflecting layer cost is cheap, reflecting effect
Good, corrosion resistance is strong.
In other embodiments of the present invention, stabilization can be combined with cell piece and welding surface in order to reach reflectance coating
Purpose, the fixed glue-line 3 is EVA hot-melt adhesive.It is using the beneficial effect of above-mentioned technical proposal：Cost is low, is affixed on battery
Piece surface is convenient, firmly.
As in Figure 3-5, Fig. 4 is the structural representation of a kind of the photovoltaic module reflectance coating clear area and echo area of corresponding diagram 3
Figure.A kind of photovoltaic module, including multiple cell pieces 4, the welding 5 for being connected to the surface of cell piece 4, photovoltaic module reflectance coating, photovoltaic
Component reflectance coating is arranged at the surface of cell piece 4, and photovoltaic module reflection film base material 1 is transparent base, photovoltaic module reflectance coating bag
Clear area 6, the echo area 7 in reflecting layer containing micro-structural 2 of printing opacity are included, the upper surface of cell piece 4 is correspondingly arranged to be reflected for photovoltaic module
Film clear area 6, the upper surface of welding 5 are correspondingly arranged as photovoltaic module reflectance coating echo area 7, photovoltaic reflectance coating overall dimensions with it is single
Cell piece matches.
It is using the beneficial effect of above-mentioned technical proposal：The direct monoblock type of photovoltaic module reflectance coating is affixed on the upper table of cell piece 4
Face, the part corresponding to welding 5 on cell piece 4 is echo area 7, avoids wall scroll welding surface and sets the numerous of reflectance coating one by one
Trivial, convenient and swift, reflectance coating monoblock type plays strengthening action for cell piece 4, effectively prevents the fragment of cell piece 4 from occurring.
The principle of present invention reflection light in photovoltaic module, photovoltaic module reflectance coating of the present invention are illustrated with reference to Fig. 5
Attach in the surface of cell piece 4, incident ray 11 (sunlight) incides reflection on echo area 7 through sheet glass 8 and changes path into reflection
Light 12, then be totally reflected change path through the surface of sheet glass 8 and help reflection light 13, cell piece 4 is eventually arrived at, luminous energy is absorbed
Utilize.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow ordinary skill people
Member can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all cover within the scope of the present invention.
Claims (9)
1. a kind of photovoltaic module reflectance coating, including base material, micro-structural reflecting layer, fixed glue-line, the micro-structural reflecting layer is set
Surface on the substrate, the micro-structural reflecting layer include microstructured layers, reflecting layer, and the reflecting layer is coated in micro- knot
Structure layer surface, the fixed glue-line are arranged on the base material lower surface, it is characterized in that：The microstructured layers are by a plurality of micro- Rhizoma Sparganiis
The lateral continuous arrangement of post, micro- triangular prism one side are located at the substrate upper surface, the crest line direction of micro- triangular prism with
Length substrate direction is parallel；Concavo-convex alternate multi-stylus corner structure is cut at the top of micro- triangular prism；The base material is transparent base
Material, the photovoltaic module reflectance coating include clear area, the echo area in the reflecting layer containing micro-structural of printing opacity, and cell piece upper surface is corresponding
Photovoltaic module reflectance coating clear area is arranged to, welding upper surface is correspondingly arranged as photovoltaic module reflectance coating echo area.
2. a kind of photovoltaic module reflectance coating according to claim 1, it is characterized in that：Micro- triangular prism corner angle is
60°-150°。
3. a kind of photovoltaic module reflectance coating according to claim 2, it is characterized in that：Micro- triangular prism corner angle is
120°。
4. a kind of photovoltaic module reflectance coating according to claim 3, it is characterized in that：The bottom width of micro- triangular prism is
50μm。
5. a kind of photovoltaic module reflectance coating according to claim 1, it is characterized in that：The microstructured layers are that UV solidifications form
Ultra-violet curing glue-line.
6. a kind of photovoltaic module reflectance coating according to claim 1, it is characterized in that：The reflecting layer is plating aluminium alloy.
7. a kind of photovoltaic module reflectance coating according to claim 1, it is characterized in that：The fixed glue-line is EVA hot-melt adhesive.
8. a kind of photovoltaic module, including multiple cell pieces, the welding for being connected to cell piece surface, claim 1-7 are any described
Photovoltaic module reflectance coating, the photovoltaic module reflectance coating is arranged at the surface of cell piece.
9. a kind of photovoltaic module according to claim 8, it is characterized in that：The photovoltaic module reflectance coating overall dimensions and list
Individual cell piece matches.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201822.1A CN106449840B (en) | 2016-12-22 | 2016-12-22 | A kind of photovoltaic module reflectance coating and photovoltaic module |
| PCT/CN2017/080244 WO2018113143A1 (en) | 2016-12-22 | 2017-04-12 | Photovoltaic reflecting film and application thereof |
| US16/470,906 US20190326462A1 (en) | 2016-12-22 | 2017-04-12 | Photovoltaic reflective film and application thereof |
| JP2019531998A JP2020502800A (en) | 2016-12-22 | 2017-04-12 | Photovoltaic reflection film and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201822.1A CN106449840B (en) | 2016-12-22 | 2016-12-22 | A kind of photovoltaic module reflectance coating and photovoltaic module |
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| Publication Number | Publication Date |
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| CN106449840A CN106449840A (en) | 2017-02-22 |
| CN106449840B true CN106449840B (en) | 2018-04-10 |
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| CN201611201822.1A Active CN106449840B (en) | 2016-12-22 | 2016-12-22 | A kind of photovoltaic module reflectance coating and photovoltaic module |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113143A1 (en) * | 2016-12-22 | 2018-06-28 | 苏州高德辰光电科技有限公司 | Photovoltaic reflecting film and application thereof |
| CN108022997A (en) * | 2017-12-08 | 2018-05-11 | 中天科技精密材料有限公司 | A kind of light total reflection film of photovoltaic module |
| CN107907927B (en) * | 2017-12-12 | 2024-04-12 | 宁波激智科技股份有限公司 | Triangular prism structure, preparation method thereof and triangular prism array |
| CN107831563A (en) * | 2017-12-12 | 2018-03-23 | 宁波激智科技股份有限公司 | A kind of optical reflection structure for parallel light path modification and preparation method thereof and a kind of cancave cambered surface reflecting element |
| CN209327601U (en) * | 2017-12-12 | 2019-08-30 | 宁波激智科技股份有限公司 | A kind of reflective joint strip of double hot-melt adhesive layer |
| CN108169829A (en) * | 2017-12-28 | 2018-06-15 | 常州华威新材料有限公司 | Photovoltaic reflective membrane and preparation method thereof |
| CN108259002A (en) * | 2018-03-22 | 2018-07-06 | 上海玛企电子科技有限公司 | A kind of photovoltaic module reflectance coating and photovoltaic module |
| CN109273548A (en) * | 2018-10-16 | 2019-01-25 | 广东尚瑞新材料有限公司 | A kind of photovoltaic module reflective membrane |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413861A (en) * | 2013-07-18 | 2013-11-27 | 常州大学 | Light reflecting thin film of photovoltaic module and method for fixing light reflecting thin film and soldering strip |
| CN103681911B (en) * | 2013-12-31 | 2017-02-01 | 赛维Ldk太阳能高科技（南昌）有限公司 | Photovoltaic module |
| CN204216053U (en) * | 2014-10-28 | 2015-03-18 | 云飞 | A kind of photovoltaic cell |
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Address after: 215000 Room 201, 3 building, 51 Jin Si Gang Road, Guo Lane, Wuzhong District, Suzhou, Jiangsu. Patentee after: SUZHOU GOLDEN STAR ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 215000 Jiangsu Industrial Park, Suzhou, the only Ting Ting new road, No. 9, 3rd floor, room 312B, Patentee before: SUZHOU GOLDEN STAR ELECTRONIC TECHNOLOGY Co.,Ltd. |
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