CN207165591U - A kind of double glass photovoltaic modulies - Google Patents

A kind of double glass photovoltaic modulies Download PDF

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Publication number
CN207165591U
CN207165591U CN201721290463.1U CN201721290463U CN207165591U CN 207165591 U CN207165591 U CN 207165591U CN 201721290463 U CN201721290463 U CN 201721290463U CN 207165591 U CN207165591 U CN 207165591U
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China
Prior art keywords
photovoltaic modulies
retroreflective regions
double glass
glass
glass photovoltaic
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CN201721290463.1U
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Chinese (zh)
Inventor
刘振阳
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Hanwha Q Cells Qidong Co Ltd
Jiangsu Linyang Solarfun Co Ltd
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Jiangsu Linyang Solarfun Co Ltd
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Priority to CN201721290463.1U priority Critical patent/CN207165591U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

Abstract

The utility model discloses a kind of double glass photovoltaic modulies, including laminate, the laminate from top to bottom includes preceding glass sheet, preceding encapsulated layer, battery layers, post package layer and rear glass sheet successively, the battery layers include n piece cell pieces, the n is the natural number more than or equal to 1, there is white space, the white space includes retroreflective regions and transmission region between the adjacent cell piece.A kind of double glass photovoltaic modulies of the present utility model, the CTM of photovoltaic module can be improved while good daylighting is ensured, with preferable Social benefit and economic benefit, be particularly suitable for use in agricultural greenhouse greenhouse, glass sunlight house, glass curtain wall etc. has in the environment of daylighting demand, has good application prospect.

Description

A kind of double glass photovoltaic modulies
Technical field
The utility model belongs to photovoltaic module manufacturing technology field, and in particular to a kind of double glass photovoltaic modulies.
Background technology
Today that traditional energy is nervous, environmental pressure increases day by day, the utilization of new energy are studied as current energy field Major subjects.Due to solar energy have the advantages that it is pollution-free, without region limitation, it is inexhaustible, be that development prospect is wide A kind of regenerative resource, receives the favor of people, and research solar power generation turns into one of popular direction to tap a new source of energy.It is existing It is a kind of major way that people use solar energy using solar cell power generation in stage.And as photovoltaic technology is continuous Development, the photovoltaic module product as the semiconductor devices converted solar energy into electrical energy have obtained quick exploitation.
Photovoltaic module is the core cell of solar power generation, and general components are typically by face glass, packaging adhesive film, battery Piece, packaging adhesive film, backboard, aluminium frame composition, and solar double-glass assemblies, as the term suggests it is that backboard has also been changed into glass, so not only Back side water vapor transmittance can be reduced, extends the life-span, improve insulating properties, moreover it is possible to strengthens the weatherability of component, just because of this A little advantages, solar double-glass assemblies have obtained the high praise of increasing component manufacturer.But solar double-glass assemblies but never on a large scale should Use in photovoltaic plant, one of reason is because transparent packaging adhesive film is used, if without white backboard by between cell piece In light leak return assembly, the CTM of component(CTM:Cell to Module, refer to cell piece make the power after photovoltaic module with The ratio of the power of single battery piece)It can decrease, component cost is of a relatively high.
Conventional solution has two kinds at present:1)Utility model such as Chinese Patent Application No. 201621382825.5 is special Profit, by laying white encapsulated layer in cell backside(Such as white EVA, white POE), 2)And for example Chinese Patent Application No. 201620158772.2 utility model patent, overleaf glass correspond to the region between cell piece, the latticed film layer of white is set. Decline although both modes all avoid the component CTM values caused by light leak between cell piece, also sacrifice double glass groups simultaneously The daylighting of part, limiting solar double-glass assemblies has the application of daylighting demand in agricultural greenhouse greenhouse, glass sunlight house, glass curtain wall etc..
The content of the invention
In view of this, in order to solve problem of the prior art, the utility model provides a kind of double glass photovoltaic modulies, can The CTM of photovoltaic module is improved while good daylighting is ensured, there is preferable Social benefit and economic benefit.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of double glass photovoltaic modulies, including laminate, the laminate from top to bottom include preceding glass sheet, preceding encapsulation successively Layer, battery layers, post package layer and rear glass sheet, the battery layers include n piece cell pieces, and the n is the nature more than or equal to 1 Count, there is white space between the adjacent cell piece, the white space includes retroreflective regions and transmission region.
Preferably, the retroreflective regions are arranged on the preceding glass sheet or rear glass sheet, or are arranged at the foreboard Any interlayer between glass and rear glass sheet.For example it is arranged between rear glass sheet and post package layer, post package layer and battery Between layer, between battery layers and preceding encapsulated layer or between preceding encapsulated layer and preceding glass sheet.
Preferably, the retroreflective regions are corresponding with least one side of the cell piece.
It is further preferred that four sides of the cell piece are all correspondingly arranged on the retroreflective regions.
Preferably, the width of the transmission region is more than or equal to 1mm.
Preferably, the width of retroreflective regions is 1-15mm described in every side.
Preferably, it is provided with reflectorized material in the retroreflective regions.
Preferably, it is provided with reflective structure in the retroreflective regions.
Preferably, reflective structure is provided with the retroreflective regions, and the surface of the reflective structure has reflectorized material.
It is further preferred that the reflectorized material is reflecting coating or reflective membrane.
Compared with prior art, it is of the present utility model to be beneficial in that:A kind of double glass photovoltaic modulies of the present utility model, The CTM of photovoltaic module can be improved while good daylighting is ensured, there is preferable Social benefit and economic benefit, it is especially suitable In the environment for having daylighting demand for agricultural greenhouse greenhouse, glass sunlight house, glass curtain wall etc..
Brief description of the drawings
Fig. 1 is the front view of double wave photovoltaic module in the utility model preferred embodiment;
Fig. 2 is the stereogram of reflecting piece in the utility model preferred embodiment two;
Fig. 3 is the enlarged drawing of I in Fig. 2;
Wherein:Cell piece -1, transmission region -2, retroreflective regions -3, terminal box -4, wire -5, busbar -6, reflective knot Structure -7.
Embodiment
The utility model preferred embodiment is described in detail below in conjunction with the accompanying drawings.
Embodiment one
Reference picture 1, a kind of double glass photovoltaic modulies of the present embodiment, including laminate and terminal box 4, wire 5, busbar 6 grade conventional parts.Laminate from top to bottom includes preceding glass sheet, preceding encapsulated layer, battery layers, post package layer and back plate glass successively Glass, battery layers include n pieces cell piece 1, and n is the natural number more than or equal to 1, and the n in the present embodiment is 32, i.e. the present embodiment Double glass photovoltaic modulies in battery layers include 32 cell pieces.There is white space between adjacent cell piece 1.White space bag Include transmission region 2 and retroreflective regions 3.Retroreflective regions 3 are arranged on preceding glass sheet or rear glass sheet, or are arranged at preceding glass sheet Any interlayer between rear glass sheet, for example, be arranged between rear glass sheet and post package layer, post package layer and battery layers it Between, between battery layers and preceding encapsulated layer or between preceding encapsulated layer and preceding glass sheet, after the present embodiment selection retroreflective regions 3 are arranged on On glass sheet.
The width of transmission region 2 is more than or equal to the width of corresponding retroreflective regions 3, and the width of transmission region 2 is more than Equal to 1mm.Retroreflective regions 3 are at least corresponding on one side with cell piece 1.Four sides of cell piece 1 are all correspondingly arranged in the present embodiment There are retroreflective regions 3 and be arranged to 1-15mm, preferably 8mm per the width of side retroreflective regions 3.
Retroreflective regions 3 have reflectorized material or are provided with reflective structure 7, can also first be opened up in retroreflective regions 3 reflective Structure 7, then reflectorized material is sticked, to reach preferably reflecting effect.Reflectorized material can be reflecting coating or reflective membrane.This implementation Example in retroreflective regions 3 are provided with surface of the rear glass sheet close to battery layers, and be provided with retroreflective regions 3 reflecting coating or Reflective membrane, to reach reflective effect, improve the CTM of photovoltaic module.
Embodiment two
Referring to figs. 1 to 3, a kind of double glass photovoltaic modulies and embodiment one of the present embodiment are essentially identical, and distinctive points are, originally Retroreflective regions 3 in double glass photovoltaic modulies of embodiment are the reflecting piece being arranged between post package layer and battery layers, and reflective There is the reflective structure 7 of triangle on piece.The size of reflecting piece is corresponding with the size of cell piece 1.
When component is installed, reflecting piece is positioned over to the position corresponding with cell piece 1, and reflective structure 7 is towards cell piece 1, to reach reflecting effect, improve the CTM of photovoltaic module.
Embodiment three
A kind of double glass photovoltaic modulies and embodiment three of the present embodiment are essentially identical, and distinctive points are, anti-in the present embodiment Reflectorized material is also coated with the surface of the reflective structure 7 of mating plate, to reach more excellent reflecting effect, improves photovoltaic module CTM.
A kind of double glass photovoltaic modulies of the present utility model, photovoltaic module can be improved while good daylighting is ensured CTM, has preferable Social benefit and economic benefit, and be particularly suitable for use in agricultural greenhouse greenhouse, glass sunlight house, glass curtain wall etc. are adopted In the environment of light demand, there is good application prospect.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique Personage can understand content of the present utility model and implement according to this, the scope of protection of the utility model can not be limited with this, All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims (10)

1. a kind of double glass photovoltaic modulies, including laminate, the laminate from top to bottom includes preceding glass sheet, preceding encapsulation successively Layer, battery layers, post package layer and rear glass sheet, the battery layers include n piece cell pieces, and the n is the nature more than or equal to 1 Number, it is characterised in that:There is white space, the white space includes retroreflective regions and transparent area between the adjacent cell piece Domain.
A kind of 2. double glass photovoltaic modulies according to claim 1, it is characterised in that:The retroreflective regions be arranged on it is described before On glass sheet or rear glass sheet, or any interlayer being arranged between the preceding glass sheet and rear glass sheet.
A kind of 3. double glass photovoltaic modulies according to claim 1, it is characterised in that:The retroreflective regions and the cell piece At least on one side it is corresponding.
A kind of 4. double glass photovoltaic modulies according to claim 3, it is characterised in that:Four sides of the cell piece are all corresponding to be set It is equipped with the retroreflective regions.
A kind of 5. double glass photovoltaic modulies according to claim 1, it is characterised in that:The width of the transmission region be more than etc. In 1mm.
A kind of 6. double glass photovoltaic modulies according to claim 1, it is characterised in that:The width of retroreflective regions is described in per side 1-15mm。
A kind of 7. double glass photovoltaic modulies according to claim 1, it is characterised in that:It is provided with the retroreflective regions reflective Material.
A kind of 8. double glass photovoltaic modulies according to claim 1, it is characterised in that:It is provided with the retroreflective regions reflective Structure.
A kind of 9. double glass photovoltaic modulies according to claim 1, it is characterised in that:It is provided with the retroreflective regions reflective Structure, and the surface of the reflective structure has reflectorized material.
A kind of 10. double glass photovoltaic modulies according to claim 7 or 9, it is characterised in that:The reflectorized material is reflective painting Layer or reflective membrane.
CN201721290463.1U 2017-09-30 2017-09-30 A kind of double glass photovoltaic modulies Active CN207165591U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721290463.1U CN207165591U (en) 2017-09-30 2017-09-30 A kind of double glass photovoltaic modulies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721290463.1U CN207165591U (en) 2017-09-30 2017-09-30 A kind of double glass photovoltaic modulies

Publications (1)

Publication Number Publication Date
CN207165591U true CN207165591U (en) 2018-03-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721290463.1U Active CN207165591U (en) 2017-09-30 2017-09-30 A kind of double glass photovoltaic modulies

Country Status (1)

Country Link
CN (1) CN207165591U (en)

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