CN108365045A - Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding - Google Patents
Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding Download PDFInfo
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- CN108365045A CN108365045A CN201810327276.9A CN201810327276A CN108365045A CN 108365045 A CN108365045 A CN 108365045A CN 201810327276 A CN201810327276 A CN 201810327276A CN 108365045 A CN108365045 A CN 108365045A
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- 230000002708 enhancing effect Effects 0.000 title claims abstract description 54
- 238000003466 welding Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 107
- 230000003287 optical effect Effects 0.000 claims description 14
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical class CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004425 Makrolon Substances 0.000 claims description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000011368 organic material Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- -1 polyethylene propylene Polymers 0.000 claims description 2
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- 229920002223 polystyrene Polymers 0.000 claims 1
- 238000002310 reflectometry Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 210000004027 cell Anatomy 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000001589 microsome Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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Classifications
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- 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
-
- 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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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention proposes a kind of multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding, including：Gum layer；Release film, release film are covered in the upper surface of gum layer；Base material, base material are located at the upper surface of release film；Multistage enhancing microprism layer, multistage enhancing microprism layer be between any two the microprism array that is formed of microprism layer with different refractivity or pyramid array or both jointly existing for composite array, multistage enhancing microprism layer is set to the upper surface of described base material, and the crest line direction of microprism is arranged with the length substrate direction at 0 °~180 ° angles；Reflective layer, reflective layer are set to the outer surface of multistage enhancing microprism layer；Insulating layer, insulating layer are set to the outer surface of reflective layer.Multistage enhancing gain film according to the ... of the embodiment of the present invention for photovoltaic module string spacing, piece spacing and welding, the gain film can then improve the photoelectric conversion efficiency of component by the utilization rate of the promotion raising sunlight to reflectivity.
Description
Technical field
It is especially a kind of for photovoltaic module string spacing, the multistage of piece spacing and welding the present invention relates to a kind of gain film
Enhance gain film.
Background technology
In photovoltaic module, cell piece typesetting, be laid out, avoid short circuit, avoid breakdown etc. due to, the piece of cell piece
It inevitably has and is left white with piece (between piece) and string and string (between string), the sunray of this subregion is in current component
It can not be utilized or utilization rate is very low, to waste the area that can carry sunlight incidence valuable in component.
In the patent document that publication No. is CN107359215A, we have issued for a kind of between photovoltaic module string
Away from the gain film with piece spacing, the structure of gain film uses the microprism or tetrahedron of homogeneity, and structure is relatively simple, to light
The reflectivity promotion of line is limited, and the structure of gain film certainly will need further innovative design.
In addition, in photovoltaic module, photovoltaic welding belt plays the weight for collecting electronics applied to being conductively connected between cell piece
It acts on.However welding surface is coated with tin layers, when sun light direct beam is to bright tin surface, photon will be directly mirrored out
Component, therefore, this part sunlight cannot be utilized by solar panel, reduce the output power of component.There is portion currently on the market
Divide on welding surface and be designed with striated structure to sunlight reflection, but welding base material is copper material striated structure in processing
It is difficult to microstructure, reflective surface is unsatisfactory, Tu Xihou, easily causes that tin thickness is uneven, easily causes the broken of cell piece
Piece, while tin raw material price is high, it is blocked up, cause serious waste.
In the patent document of publication No. CN103413861A, CN106449842A, although disclosing for photovoltaic module
Light reflecting membrane, but their structure is the microprism or tetrahedron of homogeneity, structure is relatively simple, the reflection to light
Rate promotion is limited, and the structure of gain film certainly will need further innovative design.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of for the more of photovoltaic module string spacing, piece spacing and welding
Grade enhancing gain film, the gain film can then improve component by the utilization rate of the promotion raising sunlight to reflectivity
Photoelectric conversion efficiency.
A kind of multistage enhancing gain for photovoltaic module string spacing, piece spacing and welding according to the ... of the embodiment of the present invention
Film, including：
Gum layer, the gum layer are EVA pressure-sensitive adhesive layers；
Release film, the release film are covered in the upper surface of the gum layer；
Base material, the base material are PET base material, and the base material is located at the upper surface of described release film；
Multistage enhancing microprism layer, the multistage enhancing microprism layer is the microprism between any two with different refractivity
Existing composite array, the multistage enhance microprism to the microprism array or pyramid array or both that layer is formed jointly
Layer is set to the upper surface of described base material, and the crest line direction of the microprism is set with the length substrate direction at 0 °~180 ° angles
It sets；
Reflective layer, the reflective layer are set to the multistage outer surface for enhancing microprism layer；
Insulating layer, the insulating layer are set to the outer surface of the reflective layer.
Advantageously, the crest line direction of the microprism and length substrate direction angulation are 15 °~65 °.
Advantageously, the crest line direction of the microprism and length substrate direction angulation are preferably 45 °
Advantageously, the prism vertex angle angle of the microprism is 60 °~150 °.
Advantageously, the prism vertex angle angle of the microprism is preferably 120 °.
Advantageously, the prism bases width of the microprism is 50 μm, and the microprism layer is ultraviolet made of UV solidifications
Cure glue-line, the reflective layer is plating aluminium alloy.
Advantageously, the number of plies of the multistage enhancing microprism layer is 2-10 layers.
Advantageously, the number of plies of the multistage enhancing microprism layer is 3 layers.
Advantageously, in the multistage enhancing microprism layer high-molecular organic material be polymethyl methacrylate (PMMA),
Polystyrene (PS), makrolon (PC), polyethylene propylene nitrile copolymer (SAN), poly- 4- methylpentenes (TPX) or organosilicon material
Material.
Advantageously, the refractive index of optical material reduces successively from top to bottom in the multistage enhancing microprism layer.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 is the multistage enhancing micro-prism structure schematic diagram of the present invention.
Fig. 2 is a kind of structural schematic diagram of the embodiment for the gain film that the present invention has multistage enhancing micro-prism structure.
Fig. 3 is the present invention while having a kind of structure of embodiment of microprism array and pyramid array gain film
Schematic diagram.
Fig. 4 is a kind of structural schematic diagram for embodiment that the present invention has pyramid array gain film.
The title of number and the corresponding component represented by letter in figure：
1- multistages enhance the optical material A in microprism layer；2- multistages enhance the optical material B in microprism layer；3- is more
Optical material C in grade enhancing microprism layer；4- release films；5- gum layers；6- base materials；7- multistages enhance microprism layer；8- is anti-
Photosphere；9- pyramids.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings according to the ... of the embodiment of the present invention a kind of for photovoltaic module string spacing, piece spacing to be described in detail
And the multistage enhancing gain film of welding.
As shown in Figures 1 to 4, according to the ... of the embodiment of the present invention a kind of for photovoltaic module string spacing, piece spacing and welding
Multistage enhancing gain film, including：Gum layer 5, release film 4, base material 6, multistage enhancing microprism layer 7, reflective layer 8, insulating layer
(not shown).
Gum layer 5 is EVA pressure-sensitive adhesive layers；
Release film 4 is covered in the upper surface of gum layer 5；
Base material 6 is PET base material, and base material 6 is located at the upper surface of described release film；
The microprism array that multistage enhancing microprism layer 7 is formed for the microprism layer between any two with different refractivity
Or existing composite array, multistage enhancing microprism layer 7 are described set on the upper surface of base material 6 jointly for pyramid array or both
The crest line direction of microprism is arranged with the length substrate direction at 0 °~180 ° angles；
Reflective layer 8 is set to the outer surface of multistage enhancing microprism layer 7；
The insulating layer is set to the outer surface of reflective layer 8.
As shown in Figure 1, being in one embodiment of the present invention：Multistage enhancing microprism layer 7 designs 3 layers, including 1- altogether
Optical material A in multistage enhancing microprism layer；2- multistages enhance the optical material B in microprism layer；3- multistages enhance micro- rib
The refractive index of optical material tri- kinds of optical materials of C, A, B and C in mirror layer is sequentially reduced；
It is using the advantageous effect of above-mentioned technical proposal：Tool is not initially entered by the light that reflecting layer is reflected in sunlight
The optical material A for having high refractive index, becomes smaller, then light is again introduced into medium refractive index compared to refraction angle for homogeneous material
Optical material B, refraction angle further decrease or even cannot reflect, and light is totally reflected, and optical material B will be further
Increase the probability of total reflection, light is reflected again after adjacent prismatic reflection layer, improves the reflectivity of light.
In other words, multistage enhancing microprism layer 7 is sensu lato structure, is passed through it includes micro-prism structure, by microprism
The obtained microprism array of V-groove or pyramid structure and the two existing composite construction jointly are set；The rib of microprism
Line direction is arranged with the length substrate direction at 0 °~180 ° angles, i.e., crest line direction can group with the length substrate direction
At any angle；Multistage enhancing microprism layer 7 is made of the material of multilayer different refractivity, the material with different refractivity
For transparent organic polymer material.
Advantageously, the crest line direction of the microprism and length substrate direction angulation are 15 °~65 °.Further,
The crest line direction of the microprism and length substrate direction angulation are preferably 45 °.
Advantageously, the prism vertex angle angle of the microprism is 60 °~150 °.Further, the prism of the microprism
Corner angle is preferably 120 °.
Advantageously, the prism bases width of the microprism is 50 μm.As a result, under the guarantee of Mold Making ability, carefully
Change micro-structure, can preferably recycle incident ray.
Advantageously, the microprism layer is ultra-violet curing glue-line made of UV solidifications, and the reflective layer is plating aluminium alloy.
As shown in Fig. 2, being in one embodiment of the present invention：A kind of gain film on photovoltaic module welding strip includes
4- release films；5- gum layers；6- base materials；7- multistages enhance microprism layer；8- reflective layers, insulating layer (not shown), gum layer 5 are set
In 6 lower surface of base material, multistage enhancing microprism layer 7 is 3 layers of microprism array, is set to the upper surface of base material 6, and reflective layer 8 covers
In 7 surface of microprism layer, crest line direction and the length substrate direction of microprism are arranged at 15 °~65 ° angles, and the reflective layer covers
It is placed on the microprism layer surface, the insulating layer is set to 5 upper surface of reflective layer.
Advantageously, the number of plies of multistage enhancing microprism layer 7 is 2-10 layers, preferably 3 layers.Advantageously, multistage to enhance micro- rib
High-molecular organic material is polymethyl methacrylate (PMMA), polystyrene (PS), makrolon (PC), poly- second in mirror layer 7
Alkene acrylonitrile copolymers (SAN), poly- 4- methylpentenes (TPX), organosilicon material etc..Advantageously, in multistage enhancing microprism layer 7
Every layer all has the refractive index different from other layer, and refractive index optical material of different sizes can be optionally combined.Advantageously, more
Preferably to be the refractive index of optical material from top to bottom reduce successively for combination in grade enhancing microprism layer 7.
It is using the advantageous effect of above-mentioned technical proposal：The crest line direction of the microprism is angled with length substrate direction
Setting, can increase the area of reflecting surface, so that the light reflected is reached greater area of cell piece surface and recycled,
The efficiency of light energy utilization is improved, the output power of photovoltaic module is increased.The insulating layer is set to reflective layer upper surface, can increase reflective
The reflecting effect of layer, and play insulation effect.3 layers of microprism array can improve reflection by changing the refractive index of light
Rate, and then improve the photoelectric conversion efficiency of entire photovoltaic module.
As shown in figure 3, in other embodiments of the present invention, in order to reach the mesh for larger increasing reflective area
, microstructure design is the composite construction of multistage microprism and pyramid.It is using the advantageous effect of above-mentioned technical proposal：It is right
It can all change in the incident angle of the sunlight of the different moments in different latitude area and Same Latitude area, multistage micro-
Some compound pyramid structures can adjust the reflectivity to light at different latitude and moment in prism structure, after optimization
Best composite design can be found.
As shown in figure 4, in other embodiments of the present invention, further increases effective reflecting surface in order to reach and lead to
With the purpose of property, multistage enhancing microprism layer 7 is by setting is poly-V-grooved as pyramid, pyramidal bottom edge direction
With the microprism base vertical.It is using the advantageous effect of above-mentioned technical proposal：Reflecting surface becomes microstructure unit tetrahedron,
Reflecting surface is effectively increased, and reflection light uniformly reaches cell piece surface after sheet glass is totally reflected.
In other embodiments of the present invention, in order to achieve the purpose that build non-uniform reflection face, the pyramid bottom
Hem width degree is 50 μm.It is using the advantageous effect of above-mentioned technical proposal：It is consistent with prism dimensions, uniform tetrahedron is constituted,
Ensure that light reflects homogeneity.
In other embodiments of the present invention, in order to make the purpose of multistage prism microstructure, the multistage enhancing
Microprism layer is ultra-violet curing glue-line made of multiple UV solidifications.It is using the advantageous effect of above-mentioned technical proposal：First make with
The corresponding different precision dies of micro-structure, cover uv-curable glue in substrate surface first, then in conjunction with precision die, use
UV curing technologies generate microprism bottom, then, use different precision dies instead and generate second by identical UV curing technologies
Layer has the structure of different refractivity, and so on, multistage micro-prism structure may finally be obtained.
It is described reflective in order to achieve the purpose that reflective layer is at low cost, effect is good in other embodiments of the present invention
Layer is plating aluminium alloy.It is using the advantageous effect of above-mentioned technical proposal：Obtained reflective layer is of low cost, and reflecting effect is good,
Corrosion resistance is strong.
In other embodiments of the present invention, in order to achieve the purpose that gain film can be combined stabilization with welding surface,
The gum layer is EVA hot-melt adhesive.It is using the advantageous effect of above-mentioned technical proposal：It is at low cost, it is affixed on welding surface conveniently, jail
Gu.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, unless separately
There is clearly specific restriction.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are within the scope of the invention to above-mentioned implementation
Example is changed, changes, replacing and modification, each falls within protection scope of the present invention.
Claims (10)
1. a kind of multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding, which is characterized in that including：
Gum layer, the gum layer are EVA pressure-sensitive adhesive layers；
Release film, the release film are covered in the upper surface of the gum layer；
Base material, the base material are PET base material, and the base material is located at the upper surface of described release film；
Multistage enhancing microprism layer, the multistage enhancing microprism layer is the microprism layer institute between any two with different refractivity
Existing composite array, the multistage enhancing microprism layer are set the microprism array or pyramid array or both of composition jointly
In the upper surface of described base material, the crest line direction of the microprism is arranged with the length substrate direction at 0 °~180 ° angles；
Reflective layer, the reflective layer are set to the multistage outer surface for enhancing microprism layer；
Insulating layer, the insulating layer are set to the outer surface of the reflective layer.
2. the multistage enhancing gain film according to claim 1 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that crest line direction and the length substrate direction angulation of the microprism are 15 °~65 °.
3. the multistage enhancing gain film according to claim 2 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that crest line direction and the length substrate direction angulation of the microprism are preferably 45 °.
4. the multistage enhancing gain film according to claim 1 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that the prism vertex angle angle of the microprism is 60 °~150 °.
5. the multistage enhancing gain film according to claim 4 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that the prism vertex angle angle of the microprism is preferably 120 °.
6. the multistage enhancing gain film according to claim 1 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that the prism bases width of the microprism is 50 μm, and the microprism layer is ultra-violet curing glue-line made of UV solidifications,
The reflective layer is plating aluminium alloy.
7. the multistage enhancing gain film according to claim 1 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that the number of plies of the multistage enhancing microprism layer is 2-10 layers.
8. the multistage enhancing gain film according to claim 7 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that the number of plies of the multistage enhancing microprism layer is 3 layers.
9. the multistage enhancing gain film according to claim 1 for photovoltaic module string spacing, piece spacing and welding, special
Sign is that high-molecular organic material is polymethyl methacrylate (PMMA), polystyrene in the multistage enhancing microprism layer
(PS), makrolon (PC), polyethylene propylene nitrile copolymer (SAN), poly- 4- methylpentenes (TPX) or organosilicon material.
10. the multistage enhancing gain film according to claim 1 for photovoltaic module string spacing, piece spacing and welding,
It is characterized in that, the refractive index of optical material reduces successively from top to bottom in the multistage enhancing microprism layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810327276.9A CN108365045A (en) | 2018-04-12 | 2018-04-12 | Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810327276.9A CN108365045A (en) | 2018-04-12 | 2018-04-12 | Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding |
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| CN201810327276.9A Pending CN108365045A (en) | 2018-04-12 | 2018-04-12 | Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538950A (en) * | 2018-04-12 | 2018-09-14 | 善仁（浙江）新材料科技有限公司 | Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding |
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| 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 |
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| CN108538950A (en) * | 2018-04-12 | 2018-09-14 | 善仁（浙江）新材料科技有限公司 | Multistage enhancing gain film for photovoltaic module string spacing, piece spacing and welding |
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