CN209045585U - A kind of solar energy backboard - Google Patents
A kind of solar energy backboard Download PDFInfo
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- CN209045585U CN209045585U CN201821902262.7U CN201821902262U CN209045585U CN 209045585 U CN209045585 U CN 209045585U CN 201821902262 U CN201821902262 U CN 201821902262U CN 209045585 U CN209045585 U CN 209045585U
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- solar energy
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- adhesive layer
- energy backboard
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of solar energy backboards, it includes positioned at the weather-proof adhesive layer of the solar energy backboard innermost layer and positioned at the outermost weathering layer of solar energy backboard, and the weather-proof adhesive layer and/or the weathering layer are the coloring layer of colour or the coloring layer including colour.So that backboard is showed required various colors, such as yellow, red by coloring material, meets different colours appearance demand.A kind of solar energy backboard, including weather-proof adhesive layer, substrate layer, metal layer, adhesive layer and the weathering layer being arranged from the inside to the outside, the metal layer is bonded in the outer surface of the substrate layer by adhesive layer；The reflectivity for increasing light using metal layer, improves the utilization rate of light；Metal layer has the good barrier property to steam and oxygen simultaneously, increases the service life of backboard.
Description
Technical field
The utility model belongs to area of solar cell, and in particular to a kind of solar energy backboard, especially a kind of photovoltaic group
The colored solar backboard of part.
Background technique
Photovoltaic industry is that the whole world has strategic and guiding new industry, and closely over the past half year, photovoltaic industry exists
Development still maintains prosperous while subsidy is fallen off, and policy gradually improves industrial environment, and photovoltaic power generation gradually moves towards par.For
For solar battery, transfer efficiency is more important parameter, it is however generally that, the conversion ratios of silicon based cells in 10%-30%,
It is lost this means that remaining solar energy translates into the other forms such as thermal energy.Therefore, the conversion of photovoltaic module is continuously improved
Rate is the key that reduce cost of electricity-generating.In order to improve the photoelectric conversion efficiency of component as far as possible, make during preparing component
With the anti-reflection antireflective film of various methods, such as foreboard material surface, backboard reflectivity is improved to increase the reflection to incident light.
Wherein, high reflectance, higher reliability functional form backboard be improve solar cell module output power main method it
One.In addition, backboard does not meet particular surroundings to backboard color mainly based on white, grey and black backboard currently on the market
Requirement.
Utility model content
The purpose of this utility model be solve the problems, such as above-mentioned the deficiencies in the prior art and, on the one hand, propose one
Kind solar energy backboard, is colour by back plate design, meets the requirement of particular surroundings；On the other hand, a kind of solar energy is proposed
Backboard improves backboard reflectivity.
One of the technical solution adopted in the utility model are as follows:
A kind of solar energy backboard, including being located at the weather-proof adhesive layer of the solar energy backboard innermost layer and being located at the sun
The energy outermost weathering layer of backboard, the weather-proof adhesive layer and/or the weathering layer are for colored coloring layer or including colour
Coloring layer.So that backboard is showed required various colors, such as yellow, red by coloring material, meets different colours appearance
Demand；The good cohesive force of EVA for guaranteeing backboard and photovoltaic component encapsulating by weather-proof adhesive layer, meets backboard for corrosion resistant
The demand of erosion and insulation performance；And the good barrier of weathering layer and UV resistance, improve photovoltaic module weatherability
Energy.
Further, the solar energy backboard further includes the substrate between the weather-proof adhesive layer and the weathering layer
Layer and metal layer.Metal layer is preferably the smooth metal layer in surface, increases the reflectivity of light using metal layer, improves the utilization of light
Rate；Metal layer has the good barrier property to steam and oxygen simultaneously, increases the service life of backboard.
Further, the metal layer is bonded in the outer surface of the substrate layer by adhesive layer.
Specifically, the metal layer is aluminium foil.
Further, the weather-proof adhesive layer and/or the weathering layer are colored polymer coating or are colored gather
Alkene film.
Further, the weather-proof adhesive layer and/or the weathering layer are colored fluoropolymer coating；Or, institute
It states weather-proof adhesive layer and/or the weathering layer is colored polyvinyl fluoride layer, polyvinylidene fluoride layer, tetrafluoroethylene-Ethylene copolymerization
Nitride layer, tetrafluoroethene-hexafluoropropylene copolymer layer, polycaprolactam amine layer or Polycarbonate Layer.
Further, the weather-proof adhesive layer and/or the weathering layer respectively include body layer and coloring layer, the coloring
Layer is the coloring adhesive layer being bonded in the body layer.
Further, the coloring layer of the weather-proof adhesive layer is bonded in the outer surface of its body layer, described resistance to
The coloring layer for waiting layer is bonded in the inner surface of its body layer.
Further, it is described coloring adhesive layer with a thickness of 1 ~ 10 micron.
The two of the technical solution adopted in the utility model are as follows:
A kind of solar energy backboard, including be arranged from the inside to the outside weather-proof adhesive layer, substrate layer, metal layer, adhesive layer and
Weathering layer, the metal layer are bonded in the outer surface of the substrate layer by adhesive layer.Metal layer is preferably that surface is smooth
Metal layer, using metal layer increase light reflectivity, improve the utilization rate of light；Simultaneously metal layer have it is good to steam and
The barrier property of oxygen increases the service life of backboard.
Specifically, the metal layer is aluminium foil.
Further, the weather-proof adhesive layer and/or the weathering layer are colored polymer coating or are colored gather
Alkene film.
Further, the weather-proof adhesive layer and/or the weathering layer are colored fluoropolymer coating；Or, institute
It states weather-proof adhesive layer and/or the weathering layer is colored polyvinyl fluoride layer, polyvinylidene fluoride layer, tetrafluoroethylene-Ethylene copolymerization
Nitride layer, tetrafluoroethene-hexafluoropropylene copolymer layer, polycaprolactam amine layer or Polycarbonate Layer.
Further, the weather-proof adhesive layer and/or the weathering layer respectively include body layer and coloring layer, the coloring
Layer is the coloring adhesive layer being bonded in the body layer.
Further, the coloring layer of the weather-proof adhesive layer is bonded in the outer surface of its body layer, described resistance to
The coloring layer for waiting layer is bonded in the inner surface of its body layer.
Further, it is described coloring adhesive layer with a thickness of 1 ~ 10 micron.
The utility model uses above scheme, has the advantages that compared with prior art
It is added with coloring material (dyestuff, pigment or filler etc.) in the weather-proof adhesive layer and/or the weathering layer, is passed through
Coloring material makes backboard show required various colors, such as yellow, red, meets different colours appearance demand；By resistance to
It waits adhesive layer and guarantees the good cohesive forces such as the EVA of backboard and photovoltaic component encapsulating, meet backboard for corrosion-resistant and insulation
The demand of performance；And the good barrier of weathering layer and UV resistance, improve photovoltaic module weather-resistant performance；Pass through gold
Belong to the reflectivity that layer improves solar energy backboard.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram according to a kind of solar energy backboard of the utility model；
Fig. 2 is the structural schematic diagram according to another solar energy backboard of the utility model；
Fig. 3 is the structural schematic diagram according to another solar energy backboard of the utility model.
In above-mentioned attached drawing,
1, weather-proof adhesive layer；11, body layer；12, adhesive layer is coloured；2, substrate layer；3, adhesive layer；4, metal layer；5,
Weathering layer；51, adhesive layer is coloured；52, body layer.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be understood by the person skilled in the art with feature.The utility model is according to this to the definition of "inner", "outside" orientation
The usual observation visual angle of field personnel and defined to describe convenient, with backboard in photovoltaic module towards the sun
The one side of energy cell piece is interior, otherwise is outer.
The utility model relates to photovoltaic modulies, and in particular to the solar energy backboard of photovoltaic module, the solar energy backboard are located at
The back side of solar battery sheet, for being packaged to it.
Embodiment 1
Fig. 1 shows the first solar energy backboard according to the present utility model.Referring to Fig.1 shown in, the solar energy backboard by
Weather-proof adhesive layer 1, substrate layer 2, adhesive layer 3, metal layer 4 and the weathering layer 5 stacked gradually from the inside to the outside forms.Wherein,
At least one layer in weather-proof adhesive layer 1, weathering layer 5 is colored coloring layer, and preferably two layers is colored coloring layer.This reality
Refer to other colors in addition to black, white, grey, such as yellow, red, blue with novel " colour " addressed.
Weathering adhesive layer 1 and weathering layer 5 are colored polymer coating or polyolefin film.Weather-proof adhesive layer 1, as
The internal layer of solar cell backboard has good cohesive force and corrosion resistance.Preferably, weather-proof adhesive layer 1 is preferably coloured silk
The fluoropolymer coating of color, as polyvinyl fluoride coating, polyvinylidene fluoride coating, tetrafluoroethene and ethylene it is copolymer coated,
The copolymerization of tetrafluoroethene and vinyl esters or the copolymer coated of vinyl ethers, chlorotrifluoroethylene and vinyl esters or vinyl ethers
Object coating or perfluoroethylene-propylene coating.The weather-proof adhesive layer 1 can be covered in by the methods of dipping, spraying, roller coating or showering
On substrate layer, weather-proof 1 preferred thickness of adhesive layer is 3 ~ 20 μm.
Weathering layer 5 has excellent resistance to ultraviolet effect and obstructing capacity as the outer layer of solar cell backboard.It is weather-proof
The preferably colored polyolefin film of layer 5, such as polyvinyl fluoride layer, polyvinylidene fluoride layer, tetrafluoroethylene-ethylene copolymer layer, four
Vinyl fluoride-hexafluoropropylene copolymer layer, polycaprolactam amine layer or Polycarbonate Layer.5 preferred thickness of weathering layer is 10 ~ 50 μm.
Metal layer 4, for obstruct oxygen and moisture from outside be immersed in inside solar energy battery and by high reflection increase too
Sunlight utilization, material is stainless steel foil, copper foil, nickel foil, aluminium foil and their coating, preferably with a thickness of 3 ~ 20 μm
Aluminium foil.
Adhesive layer 3 can be polyacrylate adhesive layer, polyvinyl acetate adhesive layer, ethylene copolymer
Species adhesive layer, polyurethanes adhesive layer, organic silicon adhesive layer or elastomer class adhesive layer etc..Adhesive layer 3
It is preferred that polyurethanes adhesive layer, further preferred dual-component polyurethane class adhesive layer, to provide good weather-proof and bonding
Property.
Substrate layer 2 with a thickness of 50~500 μm.Preferably, substrate layer 2 with a thickness of 200~350 μm.Material therefor is
Modified polyethylene terephthalate, polybutylene terephthalate, two hexamethylene diamine of poly- hexanoyl, is gathered at polyethylene naphthalate
One of caprolactam or polycarbonate are a variety of.In the present embodiment, preferably PET.
Embodiment 2
Fig. 2 shows second of solar energy backboards according to the present utility model.Referring to shown in Fig. 2, the solar energy backboard with
The difference of the first solar energy backboard shown in FIG. 1 is: weather-proof adhesive layer 1 and weathering layer 5 are double-layer structure, wherein one layer
It is used as coloring layer for coloring adhesive layer, the coloring adhesive layer 11 of weather-proof adhesive layer 1 is located at its outside portion, and the coloring of weathering layer 5 is viscous
Tie the portion on its inside of layer 51.Specifically, weather-proof adhesive layer 1 includes the body layer 11 being laminated from the inside to the outside and coloring adhesive layer
12, body layer 11 is bonded on the inner surface of substrate layer 2 by colouring adhesive layer 12；Weathering layer include be laminated from the inside to the outside
Color adhesive layer 51 and body layer 52, body layer 52 are bonded on the outer surface of metal layer 4 by colouring adhesive layer 51.Wherein,
Color adhesive layer 12 and coloring adhesive layer 51 are preferably colored pvdf membrane, with a thickness of 1 ~ 10 micron.
Embodiment 3
Fig. 3 shows the third solar energy backboard according to the present utility model.Referring to shown in Fig. 3, the solar energy backboard with
The difference of the first solar energy backboard, second of solar energy backboard shown in Fig. 2 shown in FIG. 1 is: weather-proof adhesive layer 1 is double
Layer structure, weathering layer 5 are single layer structure.In the solar energy backboard, weather-proof adhesive layer 1 is the same as the weather-proof adhesive layer in Fig. 2, weathering layer
5 the same as the weathering layer in Fig. 1.And in another solar energy backboard, weathering layer is double-layer structure (with the weathering layer in Fig. 2), resistance to
Time adhesive layer is single layer structure (with the weather-proof adhesive layer in Fig. 1).
The solar energy backboard reflectivity with higher of the utility model has preferable cohesive force, excellent between EVA
Weatherability, very high water vapor barrier property, can satisfy the application requirement of the solar cell backboard of different colours demand.
The above embodiments are only for explaining the technical ideas and features of the present invention, is a kind of preferred embodiment, mesh
Be that person skilled in the art can understand the content of the utility model and implement accordingly, this reality can not be limited with this
With novel protection scope.Equivalent transformation or modification made by all Spirit Essences according to the present utility model should all be covered at this
Within the protection scope of utility model.
Claims (15)
1. a kind of solar energy backboard, including being located at the weather-proof adhesive layer of the solar energy backboard innermost layer and being located at the solar energy
The outermost weathering layer of backboard, it is characterised in that: the weather-proof adhesive layer and/or the weathering layer are colored coloring layer or packet
Include colored coloring layer.
2. solar energy backboard according to claim 1, it is characterised in that: the solar energy backboard further includes positioned at described resistance to
Wait the substrate layer and metal layer between adhesive layer and the weathering layer.
3. solar energy backboard according to claim 2, it is characterised in that: the metal layer is bonded in institute by adhesive layer
State the outer surface of substrate layer.
4. solar energy backboard according to claim 3, it is characterised in that: the metal layer is aluminium foil.
5. solar energy backboard according to claim 1, it is characterised in that: the weather-proof adhesive layer and/or the weathering layer
It for colored polymer coating or is colored polyolefin film.
6. solar energy backboard according to claim 5, it is characterised in that: the weather-proof adhesive layer and/or the weathering layer
For colored fluoropolymer coating；Or, the weather-proof adhesive layer and/or the weathering layer are colored polyvinyl fluoride layer, gather
Vinylidene fluoride layer, tetrafluoroethylene-ethylene copolymer layer, tetrafluoroethene-hexafluoropropylene copolymer layer, polycaprolactam amine layer or poly- carbon
Acid esters layer.
7. solar energy backboard according to claim 1, it is characterised in that: the weather-proof adhesive layer and/or the weathering layer
Body layer and coloring layer are respectively included, the coloring layer is the coloring adhesive layer being bonded in the body layer.
8. solar energy backboard according to claim 7, it is characterised in that: the coloring layer of the weather-proof adhesive layer bonds
In the outer surface of its body layer, the coloring layer of the weathering layer is bonded in the inner surface of its body layer.
9. solar energy backboard according to claim 7, it is characterised in that: described to colour the micro- with a thickness of 1 ~ 10 of adhesive layer
Rice.
10. a kind of solar energy backboard, it is characterised in that: including be arranged from the inside to the outside weather-proof adhesive layer, substrate layer, metal layer,
Adhesive layer and weathering layer, the metal layer are bonded in the outer surface of the substrate layer by adhesive layer.
11. solar energy backboard according to claim 10, it is characterised in that: the weather-proof adhesive layer and/or described weather-proof
Layer is colored polymer coating or is colored polyolefin film.
12. solar energy backboard according to claim 11, it is characterised in that: the weather-proof adhesive layer and/or described weather-proof
Layer is colored fluoropolymer coating；Or, the weather-proof adhesive layer and/or the weathering layer be colored polyvinyl fluoride layer,
Polyvinylidene fluoride layer, tetrafluoroethylene-ethylene copolymer layer, tetrafluoroethene-hexafluoropropylene copolymer layer, polycaprolactam amine layer or poly-
Basis.
13. solar energy backboard according to claim 10, it is characterised in that: the weather-proof adhesive layer and/or described weather-proof
Layer respectively includes body layer and coloring layer, and the coloring layer is the coloring adhesive layer being bonded in the body layer.
14. solar energy backboard according to claim 13, it is characterised in that: the coloring layer of the weather-proof adhesive layer is viscous
The outer surface in its body layer is tied, the coloring layer of the weathering layer is bonded in the inner surface of its body layer.
15. solar energy backboard according to claim 13, it is characterised in that: described to colour the micro- with a thickness of 1 ~ 10 of adhesive layer
Rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902262.7U CN209045585U (en) | 2018-11-19 | 2018-11-19 | A kind of solar energy backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821902262.7U CN209045585U (en) | 2018-11-19 | 2018-11-19 | A kind of solar energy backboard |
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| Publication Number | Publication Date |
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| CN209045585U true CN209045585U (en) | 2019-06-28 |
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| CN201821902262.7U Active CN209045585U (en) | 2018-11-19 | 2018-11-19 | A kind of solar energy backboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103362A (en) * | 2020-09-30 | 2020-12-18 | 苏州福斯特光伏材料有限公司 | Photovoltaic module backboard and photovoltaic module comprising same |
-
2018
- 2018-11-19 CN CN201821902262.7U patent/CN209045585U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103362A (en) * | 2020-09-30 | 2020-12-18 | 苏州福斯特光伏材料有限公司 | Photovoltaic module backboard and photovoltaic module comprising same |
| CN112103362B (en) * | 2020-09-30 | 2024-03-29 | 苏州福斯特光伏材料有限公司 | Photovoltaic module backboard and photovoltaic module comprising same |
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