CN105207605A - Reflective photovoltaic (PV) module - Google Patents
Reflective photovoltaic (PV) module Download PDFInfo
- Publication number
- CN105207605A CN105207605A CN201510733187.0A CN201510733187A CN105207605A CN 105207605 A CN105207605 A CN 105207605A CN 201510733187 A CN201510733187 A CN 201510733187A CN 105207605 A CN105207605 A CN 105207605A
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- China
- Prior art keywords
- reflector layer
- reflective
- photovoltaic module
- cell piece
- glass
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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 invention provides a reflective photovoltaic (PV) module which comprises PV glass, a first adhesive film layer, a battery piece, a second adhesive film layer and a PV module back layer which are laminated from top to bottom in sequence, wherein a main grid and a fine grid are arranged on the surface, facing the PV glass, of the upper part of the battery piece; a welding strip is welded at the upper part of the main grid; the reflective photovoltaic (PV) module is characterized in that a reflective layer is arranged on the side, facing the battery piece, of the PV glass; the width of the longitudinal reflective layer is small than or equal to the width dimension of the welding strip; the length of the longitudinal reflective layer is larger than or equal to the length dimension of a battery string. According to the reflective photovoltaic (PV) module, provided by the invention, the defects in the prior art that lamination drifting occurs and battery piece modification is inconvenient are overcome, the reflective layer has a light storing function, that the PV module can still have a weak generating capacity without light rays is ensured, and the purpose of improving the conversion efficiency of the battery piece is further achieved.
Description
Technical field
The present invention relates to technical field of photovoltaic power generation, particularly relate to a kind of reflective photovoltaic module.
Background technology
Solar power generation is sustainable, pollution-free, as a kind of green energy resource, day by day comes into one's own.Promote efficiency, the power of photovoltaic module, reduce the key subjects that production cost becomes development photovoltaic industry already.
At present, reflecting strips technology is affixed on welding after employing is laid, and this kind of scheme there will be drifting problem after photovoltaic module lamination, after pasting reflecting strips simultaneously, cannot change sheet operation, add assembly production cost simultaneously to assembly.At present, a kind of scheme lifting subassembly efficiency easy and simple to handle, with low cost is needed.
So how providing a kind of reflective photovoltaic module, overcome many disadvantages of the prior art, is current those skilled in the art technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of reflective photovoltaic module, solve problems of the prior art, concrete scheme is as follows:
A kind of reflective photovoltaic module, lamination has photovoltaic glass, the first adhesive film, cell piece, the second adhesive film and assembly backing layer successively from top to bottom, described cell piece top is provided with main grid and thin grid towards the one side of photovoltaic glass, described main grid upper weld has welding, it is characterized in that: described photovoltaic glass is provided with reflector layer towards the side of cell piece, the width of described longitudinal reflector layer is not more than the width dimensions of described welding, and the length of described longitudinal reflector layer is not less than the length dimension of described battery strings.
Further, described photovoltaic glass also includes horizontal reflector layer.
Further, described horizontal reflector layer is arranged on the position corresponding with the sheet spacing of described battery strings, and the width of described horizontal reflector layer is not more than the sheet spacing of described battery strings.
Further, described horizontal reflector layer is also arranged on the position corresponding with the thin grid of described cell piece.
Further, described horizontal reflector layer or longitudinal reflector layer are provided with concavo-convex reflective structure towards the side of described cell piece.
Further, the material of described horizontal reflector layer or longitudinal reflector layer is high refractive index glass micro pearl, and its thickness is 50 ~ 100 microns, and refractive index is 1.9 ~ 2.2.
Further, described longitudinal reflector layer and described horizontal reflector layer plating are in the side of described photovoltaic glass towards cell piece.
Further, described longitudinal reflector layer and described horizontal reflector layer are embedded in the side of described photovoltaic glass towards cell piece.
Further, described longitudinal reflector layer and described horizontal reflector layer also possess and store photosensitiveness.
Further, described assembly backing layer is backboard or photovoltaic glass.
Reflective photovoltaic module provided by the invention, has following beneficial effect: 1, reflector layer is arranged on photovoltaic glass, avoids lamination drifting problem of the prior art and the inconvenient drawback changing sheet while possessing reflection function.2, reflector layer possesses and stores light function, and when can ensure dull thread, photovoltaic module still possesses faint generating capacity, reaches the object promoting cell piece conversion efficiency further.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to accompanying drawing required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the partial section of the reflective photovoltaic module of the present invention;
Fig. 2 is the reflective photovoltaic module schematic top plan view of the present invention;
In figure: 1, photovoltaic glass 2, first adhesive film 3, cell piece 4, second adhesive film 5, assembly backing layer 61, longitudinal reflector layer 62, horizontal reflector layer 30, battery strings 31, main grid 32, thin grid 7, welding
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See figures.1.and.2, Fig. 1 is the partial section of the reflective photovoltaic module of the present invention, Fig. 2 is the reflective photovoltaic module schematic top plan view of the present invention, lamination has photovoltaic glass 1 successively from top to bottom, first adhesive film 2, cell piece 3, second adhesive film 4 and assembly backing layer 5, described cell piece 3 top is provided with main grid 31 and thin grid 32 towards the one side of photovoltaic glass 1, described main grid 31 upper weld has welding 7, it is characterized in that: described photovoltaic glass 1 is provided with longitudinal reflector layer 61 towards the side of cell piece 3, the width of described longitudinal reflector layer 61 is not more than the width dimensions of described welding 7, can ensure that reflector layer (longitudinal reflector layer 61 and horizontal reflector layer 62 are collectively referred to as reflector layer here) does not block the sunlight be radiated on cell piece 3, simultaneously because reflector layer has reflection function, the battery 3 near reflector layer position is made to receive reflection ray, thus reach the object improving battery 3 generating efficiency.The length of described longitudinal reflector layer 61 is not less than the length dimension of described battery strings 30.
Further, described photovoltaic glass 1 also includes horizontal reflector layer 62.
Further, described horizontal reflector layer 62 is arranged on the position corresponding with the sheet spacing of described battery strings 30, the width of described horizontal reflector layer 62 is not more than the sheet spacing of described battery strings 30, because the sheet spacing in battery strings 30 is less, between string spacing, reflector layer is set, there is utilize adjacent two panels battery receptacle from reflector layer reflective, thus reach the object improving cell piece 3 efficiency.
Further, described horizontal reflector layer 62 is also arranged on the position corresponding with the thin grid 32 of described cell piece 3, reflector layer is arranged at directly over thin grid 32, advantageously receives the reflective of reflector layer with cell piece, reaches the object improving cell piece 3 efficiency further.
Further, described horizontal reflector layer 62 or longitudinal reflector layer 61 are provided with concavo-convex reflective structure towards the side of described cell piece 3, and concaveconvex structure is conducive to the diffuse reflection of light, can increase the scope that cell piece receives reverberation.
Further, the material of described horizontal reflector layer 62 or longitudinal reflector layer 61 is high refractive index glass micro pearl, and its thickness is 50 ~ 100 microns, and refractive index is 1.9 ~ 2.2.
Further, described longitudinal reflector layer 61 and described horizontal reflector layer 62 are electroplated in the side of described photovoltaic glass 1 towards cell piece 3.
Further, described longitudinal reflector layer 61 and described horizontal reflector layer 62 are embedded in the side of described photovoltaic glass 1 towards cell piece 3, recessed be embedded to be equipped be beneficial to the smooth of lamination, relatively plating more easily operates.
Further, described longitudinal reflector layer 61 and described horizontal reflector layer 62 also possess and store photosensitiveness, and possess the reflector layer storing photosensitiveness and can make when dull thread irradiates time, photovoltaic module still has faint generating capacity.
Further, described assembly backing layer 5 is backboard or photovoltaic glass.
Claims (10)
1. a reflective photovoltaic module, lamination has photovoltaic glass, the first adhesive film, cell piece, the second adhesive film and assembly backing layer successively from top to bottom, described cell piece top is provided with main grid and thin grid towards the one side of photovoltaic glass, described main grid upper weld has welding, it is characterized in that: described photovoltaic glass is provided with reflector layer towards the side of cell piece, the width of described longitudinal reflector layer is not more than the width dimensions of described welding, and the length of described longitudinal reflector layer is not less than the length dimension of described battery strings.
2. reflective photovoltaic module according to claim 1, is characterized in that: described photovoltaic glass also includes horizontal reflector layer.
3. reflective photovoltaic module according to claim 2, is characterized in that: described horizontal reflector layer is arranged on the position corresponding with the sheet spacing of described battery strings, and the width of described horizontal reflector layer is not more than the sheet spacing of described battery strings.
4. reflective photovoltaic module according to claim 3, is characterized in that: described horizontal reflector layer is also arranged on the position corresponding with the thin grid of described cell piece.
5. the reflective photovoltaic module according to any one of claim 1-4, is characterized in that: described horizontal reflector layer or longitudinal reflector layer are provided with concavo-convex reflective structure towards the side of described cell piece.
6. want the reflective photovoltaic module described in 5 according to right, it is characterized in that: the material of described horizontal reflector layer or longitudinal reflector layer is high refractive index glass micro pearl, and its thickness is 50 ~ 100 microns, and refractive index is 1.9 ~ 2.2.
7. reflective photovoltaic module according to claim 5, is characterized in that: described longitudinal reflector layer and described horizontal reflector layer plating are in the side of described photovoltaic glass towards cell piece.
8. reflective photovoltaic module according to claim 5, is characterized in that: described longitudinal reflector layer and described horizontal reflector layer are embedded in the side of described photovoltaic glass towards cell piece.
9. reflective photovoltaic module according to claim 5, is characterized in that: described longitudinal reflector layer and described horizontal reflector layer also possess and store photosensitiveness.
10. reflective photovoltaic module according to claim 1, is characterized in that: described assembly backing layer is backboard or photovoltaic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733187.0A CN105207605A (en) | 2015-10-30 | 2015-10-30 | Reflective photovoltaic (PV) module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733187.0A CN105207605A (en) | 2015-10-30 | 2015-10-30 | Reflective photovoltaic (PV) module |
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| Publication Number | Publication Date |
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| CN105207605A true CN105207605A (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510733187.0A Pending CN105207605A (en) | 2015-10-30 | 2015-10-30 | Reflective photovoltaic (PV) module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461560A (en) * | 2017-12-29 | 2018-08-28 | 韩华新能源（启东）有限公司 | A kind of photovoltaic glass and photovoltaic module |
| CN110416339A (en) * | 2019-07-04 | 2019-11-05 | 东南大学 | A kind of structure improving solar cell module transfer efficiency |
| CN113644154A (en) * | 2021-10-14 | 2021-11-12 | 晶科能源(海宁)有限公司 | Photovoltaic module |
| CN116682869A (en) * | 2023-05-29 | 2023-09-01 | 浙江夜光明光电科技股份有限公司 | High-energy-efficiency reflective film for double-glass solar backboard and preparation method thereof |
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| CN203179927U (en) * | 2012-12-20 | 2013-09-04 | 江苏宏宝光伏系统有限公司 | Photovoltaic cell |
| CN103579398A (en) * | 2012-08-03 | 2014-02-12 | 常州回天新材料有限公司 | Efficient solar cell back membrane |
| WO2014145930A1 (en) * | 2013-03-15 | 2014-09-18 | Amberwave, Inc. | Solar cell |
| CN204029831U (en) * | 2014-04-28 | 2014-12-17 | 润峰电力有限公司 | A kind of high-efficiency solar-powered photovoltaic assembly |
| CN104300023A (en) * | 2014-09-24 | 2015-01-21 | 苏州盛康光伏科技有限公司 | Solar photovoltaic module |
| CN204216062U (en) * | 2014-12-04 | 2015-03-18 | 苏州阿特斯阳光电力科技有限公司 | A kind of solar module with reflective structure |
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2015
- 2015-10-30 CN CN201510733187.0A patent/CN105207605A/en active Pending
Patent Citations (6)
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| CN103579398A (en) * | 2012-08-03 | 2014-02-12 | 常州回天新材料有限公司 | Efficient solar cell back membrane |
| CN203179927U (en) * | 2012-12-20 | 2013-09-04 | 江苏宏宝光伏系统有限公司 | Photovoltaic cell |
| WO2014145930A1 (en) * | 2013-03-15 | 2014-09-18 | Amberwave, Inc. | Solar cell |
| CN204029831U (en) * | 2014-04-28 | 2014-12-17 | 润峰电力有限公司 | A kind of high-efficiency solar-powered photovoltaic assembly |
| CN104300023A (en) * | 2014-09-24 | 2015-01-21 | 苏州盛康光伏科技有限公司 | Solar photovoltaic module |
| CN204216062U (en) * | 2014-12-04 | 2015-03-18 | 苏州阿特斯阳光电力科技有限公司 | A kind of solar module with reflective structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461560A (en) * | 2017-12-29 | 2018-08-28 | 韩华新能源（启东）有限公司 | A kind of photovoltaic glass and photovoltaic module |
| CN110416339A (en) * | 2019-07-04 | 2019-11-05 | 东南大学 | A kind of structure improving solar cell module transfer efficiency |
| CN113644154A (en) * | 2021-10-14 | 2021-11-12 | 晶科能源(海宁)有限公司 | Photovoltaic module |
| CN116682869A (en) * | 2023-05-29 | 2023-09-01 | 浙江夜光明光电科技股份有限公司 | High-energy-efficiency reflective film for double-glass solar backboard and preparation method thereof |
| CN116682869B (en) * | 2023-05-29 | 2023-12-15 | 浙江夜光明光电科技股份有限公司 | Reflective film for double-glass solar backboard and preparation method thereof |
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Application publication date: 20151230 |
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