CN106960890A - A kind of reflectance coating and its application - Google Patents
A kind of reflectance coating and its application Download PDFInfo
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- CN106960890A CN106960890A CN201710307750.7A CN201710307750A CN106960890A CN 106960890 A CN106960890 A CN 106960890A CN 201710307750 A CN201710307750 A CN 201710307750A CN 106960890 A CN106960890 A CN 106960890A
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- reflectance coating
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- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000956 alloy Substances 0.000 claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 18
- 239000011888 foil Substances 0.000 claims abstract description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920000297 Rayon Polymers 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims abstract description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011889 copper foil Substances 0.000 claims abstract description 4
- 239000000123 paper Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 45
- 238000003466 welding Methods 0.000 claims description 30
- 239000004831 Hot glue Substances 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000003491 array Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000005030 aluminium foil Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 16
- 238000005286 illumination Methods 0.000 description 7
- 230000011514 reflex Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- 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
Abstract
The present invention provides a kind of reflectance coating, including base material, reflecting layer, the reflecting layer is metal reflective paper tinsel, alloy reflective foil or macromolecular material reflective foil, the reflection layer surface has the catoptric arrangement of rule, the metal reflective paper tinsel, alloy reflective foil are aluminium foil, tinfoil paper, Copper Foil, silver foil or respective metal based alloy paper tinsel, the metal reflective paper tinsel, alloy reflective foil or macromolecular material reflective foil are formed through template rolling, and the substrate upper surface is attached to by viscose glue；Simple production process, reflecting layer is difficult for drop-off, and stability is strong, can effectively improve the generated output of photovoltaic module.
Description
Technical field
The present invention relates to a kind of reflectance coating, particularly a kind of reflectance coating applied to photovoltaic module.
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 that 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, in processing
Striated structure is difficult to microstructure, and reflecting effect is unsatisfactory, and surface tin thickness can be caused uneven, easily causes
The fragment of cell piece, influences production efficiency.
In order to lift reflecting effect, market occurs in that the reflectance coating attached on welding surface, and reflectance coating is anti-by incident ray
It is mapped to the utilization of cell piece Surface absorption.Reflectance coating typically first produces catoptric arrangement using UV curing technologies on base material, then
In surface aluminizer.The manufacturing process is complex, and coating cost is high, and aluminium lamination easily comes off.
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 a kind of simple in construction, low cost
Reflectance coating.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of reflectance coating, includes base material, reflecting layer, and the reflecting layer is covered in the substrate upper surface, and its feature exists
In the reflecting layer is metal reflective paper tinsel, alloy reflective foil or macromolecular material reflective foil, and the reflection layer surface has rule
Catoptric arrangement, the metal reflective paper tinsel, alloy reflective foil be aluminium foil, tinfoil paper, Copper Foil, silver foil or respective metal based alloy paper tinsel；
The metal reflective paper tinsel, alloy reflective foil are formed through template rolling, and the substrate upper surface is attached to by viscose glue.
The present invention is compared to prior art, and metal reflective paper tinsel of the reflecting layer for Direct Rolling, alloy reflective foil have
The catoptric arrangement of rule, simple production process, reflecting layer is difficult for drop-off, and stability is strong.
Further, the reflecting layer is a plurality of ring-shaped prisms single group array structures, and the ring-shaped prisms single group is by more
Road concentric annular prism is constituted；The ring-shaped prisms single group profile is circular, square, regular hexagon one kind, the reflecting layer
Preferably regular hexagon ring-shaped prisms single group staggered array configuration.
Using above-mentioned preferred scheme, reflecting layer is preferably regular hexagon ring-shaped prisms single group staggered array configuration, structure
It is more stable, can be by incident ray to circumferential non-uniform reflection to cell piece surface, staggered array configuration can will be reflected to welding table
The light in face reflexes to cell piece surface again, improves light utilization.
Further, the substrate upper surface is ramp structure, and the reflecting layer is be distributed in the ramp structure three
Array of prisms is formed, and the section of the triangular prism is that base angle is 30 ° under scalene triangle, the scalene triangle, described
Base angle is 60 ° on scalene triangle.
Using above-mentioned preferred scheme, reflecting surface gradually rises, and the reflecting surface in outside will not stop light, reduce light anti-
Number of times is penetrated, reduces fiber-loss, the generated output of photovoltaic module is lifted.
Further, the reflecting layer is the micro- rectangular pyramid array structure of a plurality of pyramids.
Using above-mentioned preferred scheme, pyramid structure makes incident ray to four direction non-uniform reflection to cell piece table
Face, light utilization is high, while structure also most stability.
Further, the micro- rectangular pyramid base of the pyramid is set with length substrate direction angle at 45 °.
Using above-mentioned preferred scheme, the welding length direction of photovoltaic module is consistent with cell piece main gate line direction, golden word
Angle at 45 ° is set therewith on tower rectangular pyramid base, reflection light can be made to be dissipated to four direction, without being re-reflected into welding table
On the reflectance coating in face.
Further, the micro- rectangular pyramid of the pyramid is many gradient structures, and the inclination angle of crest line diminishes successively from lower to upper.
Using above-mentioned preferred scheme, the height of the micro- rectangular pyramid of pyramid is reduced, space is saved, also increases reflecting surface
Product, improves photovoltaic module efficiency.
Further, the reflecting layer is a plurality of micro- Rhizoma Sparganii pillar array structures, and micro- triangular prism one side is located at institute
Substrate upper surface is stated, the crest line direction of micro- triangular prism is parallel with length substrate direction.
Using above-mentioned preferred scheme, microstructured layers are set for triangular prism lying status, can be effectively increased reflecting surface
Area, also makes the light reflected reach greater area of cell piece surface and is recycled, improve the efficiency of light energy utilization, increase light
Lie prostrate the power output of component.
Further, concavo-convex alternate multi-stylus corner structure is cut at the top of micro- triangular prism.
Using above-mentioned preferred scheme, microstructure height is reduced, and saves space, vertically to reflecting surface also obtain
Strong increase, the incident ray of small incidence angle is preferably utilized.
Further, the crest line direction of micro- triangular prism is set with the length substrate direction into 15 ° of -65 ° of angles, excellent
Elect 45 ° of settings as.
Using above-mentioned preferred scheme, crest line direction and the angled setting in length substrate direction of micro- triangular prism can
To increase the area of reflecting surface, the light reflected is reached greater area of cell piece surface and recycled, improve light
Can utilization rate, increase the power output of photovoltaic module, with reference to main photovoltaic using geography and illumination particularity intensively, preferably
45 °, improve the versatility of reflectance coating.
Further, there are multiple W shapes horn structures on the one side of micro- triangular prism.
Using above-mentioned preferred scheme, multiple W shapes horn structures are provided with the one side that solar irradiation is concentrated, are effectively increased
Reflective surface area is added, reflection light is reached the cell piece surface in bigger region, improve the efficiency of light energy utilization.
Further, the lower surface of the base material is additionally provided with EVA hot-melt adhesive layer.
Using above-mentioned preferred scheme, EVA hot-melt adhesive layer can facilitate the combination of reflectance coating and welding.
A kind of application of reflectance coating, to lift photovoltaic module power, the photovoltaic module includes multiple cell pieces, connection
The welding of cell piece, the reflectance coating is arranged on the gap area between the welding upper surface or the cell piece, described anti-
Penetrating film also can be while be arranged on the gap area between the welding upper surface and the cell piece, the length side of the reflectance coating
It is be arranged in parallel to the welding length direction, the gap area length direction.
Using above-mentioned preferred scheme, reflectance coating sets the locus that illumination is not utilized into photovoltaic module, will
The surface conversion that illumination reflexes to cell piece is electric energy, improves the generated output of photovoltaic module.
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
The accompanying drawing to be used needed for having technology description is 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；
Fig. 2 is the structural representation of one embodiment of the present invention；
Fig. 3 be in Fig. 2 of the present invention ring-shaped prisms single group along center of circle schematic cross-section；
Fig. 4 is the structural representation of another embodiment of the present invention；
Fig. 5 is the structural representation of pyramidal rectangular pyramids of the invention into many gradient structures；
Fig. 6 is the structural representation of another embodiment of the present invention；
Fig. 7 is the structural representation of micro- triangular prism multi-stylus corner structure of the present invention；
Fig. 8 is the structural representation of another embodiment of the present invention；
Fig. 9 is the structural representation of micro- triangular prism W horn structures of the present invention；
Figure 10 is the structural representation of another embodiment of the present invention；
Figure 11 is the structural representation of photovoltaic module；
Figure 12 is present invention reflection light principle schematic in photovoltaic module；
The structural representation of Figure 13 another embodiment of the present invention.
Numeral and the title of the corresponding component represented by letter in figure：
1- base materials；2- reflecting layer；21- viscose glues；3-EVA hot melt adhesive layers；4- photovoltaic modulies；41- cell pieces；42- weldings；
43- reflectance coatings；44- sheet glass；51- incident rays；52- reflection lights；53- is totally reflected light.
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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs 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 reflectance coating, bag
Base material 1, reflecting layer 2 are included, reflecting layer 1 is covered in the upper surface of base material 2, and reflecting layer 1 is metal reflective paper tinsel, alloy reflective foil or high score
Sub- material reflective foil, the reflection layer surface has the catoptric arrangement of rule, and the metal reflective paper tinsel, alloy reflective foil are aluminium
Paper tinsel, tinfoil paper, Copper Foil, silver foil or respective metal based alloy paper tinsel, the metal reflective paper tinsel, alloy reflective foil are closed by metal film or metal
Golden film is formed through template rolling, and the upper surface of base material 1 is attached to by viscose glue 21.
It is using the beneficial effect of above-mentioned technical proposal：Reflecting layer is the metal reflective paper tinsel of Direct Rolling, alloy is anti-
Light paper tinsel, has regular catoptric arrangement, and simple production process, reflecting layer is difficult for drop-off, and stability is strong.
As Figure 2-3, in other embodiments of the present invention, in order to reach the mesh for more preferably improving light utilization
, in Fig. 2, reflecting layer 2 is a plurality of ring-shaped prisms single group array structures, and the ring-shaped prisms single group is by multiple tracks concentric annular rib
Mirror is constituted；The ring-shaped prisms single group profile is circular, square, regular hexagon one kind, and the reflecting layer is preferably positive six side
Shape ring-shaped prisms single group staggered array configuration (shown in Fig. 2), Fig. 3 be in Fig. 2 ring-shaped prisms single group along center of circle schematic cross-section.
It is using the beneficial effect of above-mentioned technical proposal：Reflecting layer is preferably regular hexagon ring-shaped prisms single group staggered array configuration, knot
Structure is more stable, can be by incident ray to circumferential non-uniform reflection to cell piece surface, and staggered array configuration can will be reflected to welding
The light on surface reflexes to cell piece surface again, improves light utilization.
As shown in figure 4, in other embodiments of the present invention, in order to reach the mesh for more preferably improving light utilization
, reflecting layer 2 is the micro- rectangular pyramid array structure of a plurality of pyramids.It is using the beneficial effect of above-mentioned technical proposal：Pyramid
Structure, makes incident ray to four direction non-uniform reflection to cell piece surface, light utilization is high, while structure is also most stablized
Property.
In other embodiments of the present invention, in order to reach the purpose for improving light reflection path, the pyramid
Micro- rectangular pyramid base is set with length substrate direction angle at 45 °.It is using the beneficial effect of above-mentioned technical proposal：Photovoltaic
The welding length direction of component is consistent with cell piece main gate line direction, and angle at 45 ° is set therewith on pyramid micro- rectangular pyramid base,
Reflection light can be made to be dissipated to four direction, without being re-reflected on the reflectance coating on welding surface.
As shown in figure 5, in other embodiments of the present invention, in order to reach section space-efficient purpose, the golden word
The micro- rectangular pyramid of tower is many gradient structures, and the inclination angle of crest line diminishes successively from lower to upper, the inclined angle alpha ＞ β ＞ γ of crest line in figure.
It is using the beneficial effect of above-mentioned technical proposal：The height of the micro- rectangular pyramid of pyramid is reduced, space is saved, also increases reflection
Area, improves photovoltaic module efficiency.
In other embodiments of the present invention, in order to reach the purpose for improving microstructural stability, the pyramid
Micro- rectangular pyramid corner angle is 50 ° -75 °.It is using the beneficial effect of above-mentioned technical proposal：While reflection membrane area is improved
Ensure structural stability.
In other embodiments of the present invention, in order to reach the purpose of refinement micro-structural, micro- four rib of pyramid
It is 50 μm to bore the bottom surface length of side.It is using the beneficial effect of above-mentioned technical proposal：Under the guarantee of Mold Making ability, micro- knot is refined
Structure, preferably can recycle reflection light.
As shown in fig. 6, being in one embodiment of the present invention：Reflecting layer 2 is a plurality of micro- Rhizoma Sparganii pillar array structures, institute
Micro- triangular prism one side is stated located at the substrate upper surface, the crest line direction of micro- triangular prism is parallel with length substrate direction.
It is using the beneficial effect of above-mentioned technical proposal：Microstructured layers are set for micro- triangular prism lying status, can be effective
Increase the area of reflecting surface, the light reflected is reached greater area of cell piece surface and recycled, improve luminous energy
Utilization rate, increases the power output of photovoltaic module.
In other embodiments of the present invention, in order to reach the purpose for improving catoptric arrangement stability, described micro- three
Prism top angle angle is 60 ° -150 °, preferably 120 °.It is using the beneficial effect of above-mentioned technical proposal：Face is reflected improving
Ensure structural stability while product.
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. 7, in other embodiments of the present invention, space is saved in order to reach, increase effective reflecting surface
Concavo-convex alternate multi-stylus corner structure is cut at the top of long-pending purpose, 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.
As shown in figure 8, being in one embodiment of the present invention：The crest line direction of micro- triangular prism and the base material are long
Direction setting into θ angle is spent, θ angles are 15 ° -65 °, preferably 45 ° settings.
It is using the beneficial effect of above-mentioned technical proposal：The crest line direction of micro- triangular prism and length substrate direction angulation
Degree is set, and can increase the area of reflecting surface, the light reflected is reached greater area of cell piece surface and is carried out profit again
With the raising efficiency of light energy utilization increases the power output of photovoltaic module.
Due to the area of different latitude, the angle of sunshine is different, such as Xinjiang region and Jiangsu Province it is optimal micro- three
The crest line direction of prism is differed with length substrate direction angulation θ, and we can be according to the angle of sunlight come corresponding
Make corresponding adjustment.It is described in order to reach the purpose of reflection film production versatility in other embodiments of the present invention
The crest line direction of micro- triangular prism and length substrate direction angulation are preferably 45 °.Using the beneficial effect of above-mentioned technical proposal
It is：With reference to main photovoltaic using geography and illumination particularity intensively, preferably 45 °, the versatility of reflectance coating is improved.
As shown in figure 9, in other embodiments of the present invention, in order to reach the mesh of larger increase reflection membrane area
, multiple W shapes horn structures are provided with the one side for the micro- triangular prism concentrated in solar irradiation.Using having for above-mentioned technical proposal
Beneficial effect is：Reflection membrane area is effectively increased, reflection light is reached the cell piece surface in bigger region, improves light-use
Rate.
As shown in Figure 10, in other embodiments of the present invention, in order to reach what reflectance coating was conveniently combined with welding
Purpose, the lower surface of base material 1 is additionally provided with EVA hot-melt adhesive layer 3.It is using the beneficial effect of above-mentioned technical proposal：EVA hot-melt adhesive
Layer can facilitate the combination of reflectance coating and welding.
As shown in figure 11, a kind of application of reflectance coating, reflectance coating is applied in photovoltaic module 4, to lift photovoltaic module
Power；Photovoltaic module 4 includes multiple cell pieces 41, connects the welding 42 of cell piece, and the reflectance coating is arranged on the upper table of welding 42
Gap area 45 between face or cell piece 41, or above-mentioned two region is arranged on simultaneously；The length direction of the reflectance coating and weldering
The length direction of band 42, the length direction of gap area 45 be arranged in parallel.It is using the beneficial effect of above-mentioned technical proposal：Reflectance coating is set
The locus that illumination in photovoltaic module is not utilized is put, is electric energy by the surface conversion that illumination reflexes to cell piece, carries
The high generated output of photovoltaic module.
With reference to Figure 12 illustrate the present invention in photovoltaic module reflection light principle, reflectance coating 43 of the present invention attach in
The surface of welding 42, incident ray 51 (sunlight) incides reflection on the reflecting layer of reflectance coating 43 through sheet glass 44 and changes path into anti-
Light 52 is penetrated, then changes path through the total reflection of the surface of sheet glass 44 and helps reflection light 53, cell piece 41, luminous energy quilt is eventually arrived at
Sorption enhanced is electric energy.
As shown in figure 13, in other embodiments of the present invention, in order to reach the purpose of optimization reflection path, base material
1 upper surface is ramp structure, and reflecting layer 2 is that the triangular prism array for being distributed in the ramp structure is formed, section of the triangular prism
Face is scalene triangle, and base angle is that base angle is 60 ° on 30 °, the scalene triangle under the scalene triangle.
Using above-mentioned preferred scheme, reflecting surface gradually rises, and the reflecting surface in outside will not stop light, reduce light anti-
Number of times is penetrated, reduces fiber-loss, the generated output of photovoltaic module is lifted.
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, should all cover within the scope of the present invention.
Claims (10)
1. a kind of reflectance coating, including base material, reflecting layer, the reflecting layer are covered in the substrate upper surface, it is characterised in that institute
Reflecting layer is stated for metal reflective paper tinsel, alloy reflective foil or macromolecular material reflective foil, the reflection layer surface has the anti-of rule
Penetrate structure.
2. a kind of reflectance coating according to claim 1, it is characterised in that the metal reflective paper tinsel, alloy reflective foil are aluminium
Paper tinsel, tinfoil paper, Copper Foil, silver foil or respective metal based alloy paper tinsel.
3. a kind of reflectance coating according to claim 1, it is characterised in that the metal reflective paper tinsel, alloy reflective foil are through mould
Plate rolling is formed, and the substrate upper surface is attached to by viscose glue.
4. a kind of reflectance coating according to claim 3, it is characterised in that the reflecting layer is a plurality of ring-shaped prisms single groups
Array structure, the ring-shaped prisms single group is made up of multiple tracks concentric annular prism, and the ring-shaped prisms single group profile is circular, side
Shape or regular hexagon.
5. a kind of reflectance coating according to claim 3, it is characterised in that the substrate upper surface is ramp structure, described
Reflecting layer is that the triangular prism array for being distributed in the ramp structure is formed, and the section of the triangular prism is scalene triangle, institute
It is that base angle is 60 ° on 30 °, the scalene triangle to state base angle under scalene triangle.
6. a kind of reflectance coating according to claim 3, it is characterised in that the reflecting layer is micro- four rib of a plurality of pyramids
Array structure is bored, the micro- rectangular pyramid base of pyramid is set with length substrate direction angle at 45 °, and the pyramid is micro-
Rectangular pyramid is many gradient structures, and the inclination angle of crest line diminishes successively from lower to upper.
7. a kind of reflectance coating according to claim 3, it is characterised in that the reflecting layer is a plurality of micro- triangular prism arrays
Structure, micro- triangular prism one side is located at the substrate upper surface, crest line direction and the length substrate side of micro- triangular prism
To parallel, concavo-convex alternate multi-stylus corner structure is cut at the top of micro- triangular prism.
8. a kind of reflectance coating according to claim 3, it is characterised in that the reflecting layer is a plurality of micro- triangular prism arrays
Structure, the crest line direction of micro- triangular prism is set with the length substrate direction into 15 ° of -65 ° of angles, preferably 45 ° settings,
There are multiple W shapes horn structures on the one side of micro- triangular prism.
9. according to a kind of any described reflectance coatings of claim 1-8, it is characterised in that the lower surface of the base material is additionally provided with
EVA hot-melt adhesive layer.
10. a kind of application of reflectance coating, it is characterised in that any described reflectance coatings of claim 1-9 are applied to photovoltaic module
In, to lift photovoltaic module power, the photovoltaic module includes multiple cell pieces, connects the welding of cell piece, the reflection
Film is arranged on the gap area between the welding upper surface or the cell piece, and the reflectance coating can also be arranged on described simultaneously
Gap area between welding upper surface and the cell piece, the length direction of the reflectance coating and the welding length direction,
The gap area length direction be arranged in parallel.
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| CN201710307750.7A CN106960890A (en) | 2017-05-04 | 2017-05-04 | A kind of reflectance coating and its application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710307750.7A CN106960890A (en) | 2017-05-04 | 2017-05-04 | A kind of reflectance coating and its application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831948A (en) * | 2018-06-07 | 2018-11-16 | 善仁（浙江）新材料科技有限公司 | A kind of anti-dazzle gain of light film |
| CN111354836A (en) * | 2018-12-21 | 2020-06-30 | 苏州高德辰光电科技有限公司 | Packaging method applied to double-glass photovoltaic cell assembly, EVA film and application |
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| CN108831948A (en) * | 2018-06-07 | 2018-11-16 | 善仁（浙江）新材料科技有限公司 | A kind of anti-dazzle gain of light film |
| CN111354836A (en) * | 2018-12-21 | 2020-06-30 | 苏州高德辰光电科技有限公司 | Packaging method applied to double-glass photovoltaic cell assembly, EVA film and application |
| CN112987531A (en) * | 2019-12-12 | 2021-06-18 | 浙江棱镜全息科技有限公司 | Holographic lens assembly and display system having the same |
| CN112987531B (en) * | 2019-12-12 | 2022-08-09 | 浙江棱镜全息科技有限公司 | Holographic lens assembly and display system having the same |
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