CN203013770U - Photovoltaic module with enlarged light-receiving area - Google Patents
Photovoltaic module with enlarged light-receiving area Download PDFInfo
- Publication number
- CN203013770U CN203013770U CN2012203231216U CN201220323121U CN203013770U CN 203013770 U CN203013770 U CN 203013770U CN 2012203231216 U CN2012203231216 U CN 2012203231216U CN 201220323121 U CN201220323121 U CN 201220323121U CN 203013770 U CN203013770 U CN 203013770U
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- glass
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- photovoltaic module
- receiving area
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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
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Abstract
A photovoltaic module with an enlarged light-receiving area comprises a component backplate, wherein a lower EVA glue film layer, a cell plate layer, an upper EVA glue film layer and a packaging cover plate glass layer are sequentially arranged on the component backplate, one surface of the glass is a flat surface, the other surface is wavy and is composed of a plurality of light transmitting units, a signal lens unit is a part of a cylinder and forms a strip lens, and an arc chord length of the projection of the cross section of the single lens unit ranges from 2 to 40 mm. When the photovoltaic module is irradiated by sunlight, light rays fall in between auxiliary grid lines after reflection, when the original solar photovoltaic glass with detailed glass pattern is used, light rays above the auxiliary grid lines fall onto grid lines after passing through the glass, when the photovoltaic module provided by the utility model is used, the light rays above the auxiliary grid lines after reflection fall onto the cell plate when passing through the patterns on the solar photovoltaic glass with an enlarged light-receiving are, rather than onto the grid lines, thereby improving the utilization rate of solar energy, and effectively improving the conversion efficiency of photocell.
Description
Technical field
The utility model relates to a kind of solar photovoltaic assembly, relates in particular to a kind of photovoltaic module that increases light-receiving area that has.
Background technology
Solar energy is a kind of clean reproducible new forms of energy, and the parent who more and more is subject to people looks at, and effect is widely arranged in people's life, work, and one of them is converted to electric energy with solar energy exactly.
At present, the domestic and international photovoltaic module produced of photovoltaic module enterprise, primary structure comprises: the compositions such as encapsulation cover plate glass, EVA glued membrane, solar battery sheet, EVA glued membrane, TPT backboard, above-mentioned subelement becomes as a whole by heated lamination, is encapsulated in and forms photovoltaic module in the aluminium frame.
In above-mentioned photovoltaic module, encapsulation cover plate glass mainly adopts surface forming that the solar energy photovoltaic glass of tiny colored type is arranged, glass surface is the tiny colored types such as matte, hexagon, quadrangle, flower moldeed depth degree is generally below 0.3mm, the flower type plays the inhibition light reflection, increase the effect of light transmittance, but the glass light-receiving area does not change, and the photovoltaic module light-receiving area does not change yet.
In above-mentioned photovoltaic module, solar battery sheet is critical piece, and cell piece can be that monocrystalline silicon or polysilicon are lined up array in length and breadth by rule, is used for laminating packaging after connecting by welding.Wherein single battery sheet plane of illumination prints one deck silver grating line electrode, and grid line is divided into main grid line and secondary grid line, and wherein the main grid line is relatively wide, but negligible amounts, secondary grid line relative narrower, quantity is more.For example a slice monocrystalline silicon battery TDB125(φ 150) upward main grid line 1.5mm is wide, and quantity is 2, secondary grid line 80-100 μ m, quantity is the 51-54 root.Have some monocrystalline silicon batteries on a complete photovoltaic module, secondary grid line quantity is very many.The place that the front is printed with silver grating line has directly covered sunlight, has directly reduced the actual light-receiving area of photovoltaic cell simultaneously, and this is a factor that affects conversion efficiency of solar cell.
The present defective that exists of solar photovoltaic assembly in sum: 1, the plane of illumination light-receiving area is 1 times of encapsulation cover plate transparency area; 2, in assembly, the secondary grid line quantity of single battery sheet is a lot, and grid line has directly covered sunlight, thereby has directly reduced the light-receiving area of cell piece.
Summary of the invention
The purpose of this utility model is to provide a kind of photovoltaic module that increases light-receiving area that has, assembly is comprised of encapsulation cover plate glass, EVA glued membrane, solar battery sheet, EVA glued membrane, TPT backboard etc., cover-plate glass adopts a kind of ultrawhite pressure glass that increases light-receiving area that has, and increases light-receiving area.
For achieving the above object, the technical solution adopted in the utility model is as follows:
The utlity model has the photovoltaic module that increases light-receiving area, comprise the assembly backboard, be provided with successively on the assembly backboard lower EVA adhesive film, battery lamella, on EVA adhesive film and encapsulation cover plate glassy layer, glass is simultaneously the plane, another side is comprised of some printing opacity unit, is wavy, and the single lens unit is a cylindrical part, form rod lens, the cross section projection circular arc chord length A of single lens unit is 2-40mm.
In the utility model between every two rod lenss by the cambered surface transition.
Have the solar energy photovoltaic glass that increases light-receiving area in the utility model, glass surface is processed with colored type, and thickness of glass is D, and flower moldeed depth degree is D1.One side is the plane, another side forms the flower type by some printing opacity unit, the flower type is wavy, namely is comprised of a rule semicylinder (or cylindrical part), and radius is R, utilize circular arc R 1 transition between two printing opacity unit, flower type cross section projection circular arc chord length is A, and between two lens units, spacing is A, adopts this kind structure solar energy photovoltaic glass, the plane of illumination surface area increases greatly, and assembly unit are light income increases.
Having above-mentioned each size of solar energy photovoltaic glass 1 that increases light-receiving area in the utility model can size concrete according to cell piece (comprising monocrystalline silicon, polysilicon etc.), structure (comprising grid line location, spacing, width) etc. adjusted, and is not subjected to that on Vehicles Collected from Market, battery sheet gauge lattice limit;
The production technology that has the solar energy photovoltaic glass that increases light-receiving area in the utility model can be softened in glass surface compacting flower type for original sheet glass being carried out secondary heating;
The production technology that has the solar energy photovoltaic glass that increases light-receiving area in the utility model can form for the calender calendering, all be carved with corresponding colored type on the stack up-down rollers, glass metal is subjected to that stack is continuously extruded forms flower type continuously on the glass tape surface during by stack;
Have the solar energy photovoltaic glass production technology that increases light-receiving area in the utility model and can adopt said method, obtain the flower type but be not limited to said method at lower surface on glass.
Have in the utility model that in the photovoltaic module that increases light-receiving area, cell piece adopts monocrystalline silicon or polysilicon to be arranged in array in length and breadth by rule, in all cell pieces, secondary grating spacing is consistent, spacing is A, when forming array in adjacent two cell pieces direction of secondary grid line be conllinear, another direction spacing is the integer multiple of A.
The utility model provides a kind of photovoltaic module that increases light-receiving area that has, the secondary grating spacing A of assembly cover plate sparkling molded breadth degree (being spacing) A and cell piece equates fully, by transition wire between corresponding cover-plate glass two barriness types directly over the secondary grid line of cell piece after heated lamination.During the solar light irradiation assembly, light drops between secondary grid line after reflecting, when using original solar energy photovoltaic glass, the sparkling type is fine and closely woven, and the light of secondary grid line top drops on grid line after by glass, photovoltaic module provided by the invention, when spending type by having on the solar energy photovoltaic glass that increases light-receiving area, drops on cell piece after light refraction the light of secondary grid line top, rather than drop on grid line, improved the utilance of solar energy, effectively improve the photocell conversion efficiency.
Description of drawings
Fig. 1 is the utility model assembly floor map.
Fig. 2 is that the utility model assembly is analysed and observe local enlarged diagram.
Fig. 3 is the front view of solar energy photovoltaic glass of the present utility model.
Fig. 4 is the vertical view of solar energy photovoltaic glass of the present utility model.
Fig. 5 is monocrystalline silicon battery sheet grid line schematic diagram.
Fig. 6 is polycrystalline silicon battery plate grid line schematic diagram.
Fig. 7 is the utility model assembly battery-arrangements schematic diagram.
Fig. 8 is that traditional components is analysed and observe local enlarged diagram.
Fig. 9 is the utility model assembly illumination schematic diagram.
Figure 10 is traditional components illumination schematic diagram.
Embodiment
The utlity model has the photovoltaic module that increases light-receiving area, comprise the assembly backboard, be provided with successively on the assembly backboard lower EVA adhesive film, battery lamella, on EVA adhesive film and encapsulation cover plate glassy layer, glass is simultaneously the plane, another side is comprised of some printing opacity unit, is wavy, and the single lens unit is a cylindrical part, form rod lens, the cross section projection circular arc chord length A of single lens unit is 2-40mm.
In the utility model between every two rod lenss by the cambered surface transition.
As Fig. 1 this patent assembly floor map, assembly is by being encapsulated in aluminium frame 6 through the assembly semi-finished product 7 of heated lamination, had the solar energy photovoltaic glass 1 that increases light-receiving area, EVA glued membrane 2, single (many) crystal silicon battery 4, TPT backboard 5 etc. and formed (see Fig. 2 this patent assembly cutaway view, Fig. 3 this patent assembly analyse and observe an innings enlarged drawing) by a kind of through the assembly semi-finished product 7 of heated lamination.
In this patent, a kind of solar energy photovoltaic glass 1 Surface Machining with increase light-receiving area of one of parts has colored type 1 ' (seeing that Fig. 4 has solar energy photovoltaic glass flower type master, the vertical view that increases light-receiving area), thickness of glass D is 3.67mm, and flower moldeed depth degree D1 is 0.67mm.Single printing opacity unit flower type 1 ' radius of curvature is that R is 1.5mm, utilize circular arc R 1 transition between two printing opacity unit, R1 is 0.1mm, printing opacity unit flower type cross section projection circular arc chord length A is 2.5mm, between two saturating unit, spacing A is 2.5mm, the circular arc portion arc length is 2.9553, and the assembly light receiving surface is long-pending so analyses and observe the long-pending increase by 18.21% of light receiving surface in local enlarged diagram with respect to Fig. 8 traditional components, and light-receiving area improves greatly.
A kind of in actual production have that in the photovoltaic module that increases light-receiving area, cell piece adopts monocrystalline silicon or polysilicon to be arranged in array in length and breadth by rule, see Fig. 5 monocrystalline silicon battery sheet grid line schematic diagram, Fig. 6 polycrystalline silicon battery plate grid line schematic diagram, what wider quantity was few is main grid line 8, thinner a fairly large number of be secondary grid line 9, in all cell pieces, secondary grating spacing is consistent, and the equal A of spacing is 2.5mm.The cell piece that forms array is seen Fig. 7 this patent assembly battery-arrangements schematic diagram, secondary grid line conllinear in horizontal adjacent cell sheet, vertically in adjacent two cell pieces, secondary grating spacing is K, wherein K is also ultra-clear glasses 1 printing opacity cell width A of grating spacing A() integer multiple, in vertical adjacent two cell pieces of actual production, secondary grating spacing K is 7.5mm, be 3 times of grating spacing A2.5mm, this design can guarantee directly over every grid line as being to have transition wire between the solar energy photovoltaic glass two printing opacity unit that increase light-receiving area.
The utility model patent provides a kind of photovoltaic module that increases light-receiving area that has, assembly cover plate sparkling molded breadth degree (being spacing) A is 2.5mm is that 2.5mm equates fully with the secondary grating spacing A of cell piece, by transition wire between corresponding cover-plate glass two barriness types directly over the secondary grid line of cell piece after heated lamination.During the solar light irradiation assembly, light (is seen Fig. 9 this patent assembly illumination schematic diagram) by dropping between secondary grid line after reflecting; When using original solar energy photovoltaic glass, the sparkling type is fine and closely woven, and the light of secondary grid line top drops on grid line after by glass (sees Figure 10 traditional components illumination schematic diagram).Photovoltaic module provided by the invention, when spending type by having on the solar energy photovoltaic glass that increases light-receiving area, drops on cell piece after light refraction the light of secondary grid line top, rather than drop on grid line, improved the utilance of solar energy, effectively improve the photocell conversion efficiency.
Claims (2)
1. one kind has the photovoltaic module that increases light-receiving area, comprise the assembly backboard, be provided with successively on the assembly backboard lower EVA adhesive film, battery lamella, on EVA adhesive film and encapsulation cover plate glassy layer, it is characterized in that: glass simultaneously is the plane, another side is comprised of some printing opacity unit, is wavy, and the single lens unit is a cylindrical part, form rod lens, the cross section projection circular arc chord length A of single lens unit is 2-40mm.
2. according to claim 1 have a photovoltaic module that increases light-receiving area, it is characterized in that: between every two rod lenss by the cambered surface transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203231216U CN203013770U (en) | 2012-07-05 | 2012-07-05 | Photovoltaic module with enlarged light-receiving area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203231216U CN203013770U (en) | 2012-07-05 | 2012-07-05 | Photovoltaic module with enlarged light-receiving area |
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| Publication Number | Publication Date |
|---|---|
| CN203013770U true CN203013770U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203231216U Expired - Fee Related CN203013770U (en) | 2012-07-05 | 2012-07-05 | Photovoltaic module with enlarged light-receiving area |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065946A1 (en) * | 2014-10-31 | 2016-05-06 | Byd Company Limited | Solar cell array, solar cell module and manufacturing method thereof |
| CN105790679A (en) * | 2016-05-16 | 2016-07-20 | 中国大唐集团科学技术研究院有限公司 | Telescopic solar energy power generation device with lightning protection, wind power generation and light collecting mirror functions |
| CN105871314A (en) * | 2016-05-17 | 2016-08-17 | 中国大唐集团科学技术研究院有限公司 | Wireless remote control type solar power generation device |
| CN105937482A (en) * | 2016-05-12 | 2016-09-14 | 中国大唐集团科学技术研究院有限公司 | Wind energy and solar energy integrated power generation device with lightning arrester |
| CN105939138A (en) * | 2016-05-12 | 2016-09-14 | 中国大唐集团科学技术研究院有限公司 | Solar power generation device with condensing lens |
| CN105939139A (en) * | 2016-05-12 | 2016-09-14 | 中国大唐集团科学技术研究院有限公司 | Concentrating solar power generation apparatus with wind power generation function |
| CN106257825A (en) * | 2015-06-19 | 2016-12-28 | 江苏太阳光伏科技有限公司 | A kind of efficiently concentrated solar energy plate |
| CN106847961A (en) * | 2017-03-18 | 2017-06-13 | 韩少茹 | A kind of solar cell encapsulation structure and solar cell |
| CN106952977A (en) * | 2017-04-02 | 2017-07-14 | 韩少茹 | A kind of solar cell encapsulation structure |
| CN107946395A (en) * | 2017-12-01 | 2018-04-20 | 浙江潮城互联网科技有限公司 | Curved surface photovoltaic module |
| CN107946390A (en) * | 2017-12-04 | 2018-04-20 | 孙健春 | It is a kind of that there is the solar cell and production method for changing power grid |
-
2012
- 2012-07-05 CN CN2012203231216U patent/CN203013770U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016065946A1 (en) * | 2014-10-31 | 2016-05-06 | Byd Company Limited | Solar cell array, solar cell module and manufacturing method thereof |
| CN106257825A (en) * | 2015-06-19 | 2016-12-28 | 江苏太阳光伏科技有限公司 | A kind of efficiently concentrated solar energy plate |
| CN105937482A (en) * | 2016-05-12 | 2016-09-14 | 中国大唐集团科学技术研究院有限公司 | Wind energy and solar energy integrated power generation device with lightning arrester |
| CN105939138A (en) * | 2016-05-12 | 2016-09-14 | 中国大唐集团科学技术研究院有限公司 | Solar power generation device with condensing lens |
| CN105939139A (en) * | 2016-05-12 | 2016-09-14 | 中国大唐集团科学技术研究院有限公司 | Concentrating solar power generation apparatus with wind power generation function |
| CN105790679A (en) * | 2016-05-16 | 2016-07-20 | 中国大唐集团科学技术研究院有限公司 | Telescopic solar energy power generation device with lightning protection, wind power generation and light collecting mirror functions |
| CN105871314A (en) * | 2016-05-17 | 2016-08-17 | 中国大唐集团科学技术研究院有限公司 | Wireless remote control type solar power generation device |
| CN106847961A (en) * | 2017-03-18 | 2017-06-13 | 韩少茹 | A kind of solar cell encapsulation structure and solar cell |
| CN106847961B (en) * | 2017-03-18 | 2019-08-13 | 安徽正熹标王新能源有限公司 | A kind of solar cell encapsulation structure and solar battery |
| CN106952977A (en) * | 2017-04-02 | 2017-07-14 | 韩少茹 | A kind of solar cell encapsulation structure |
| CN107946395A (en) * | 2017-12-01 | 2018-04-20 | 浙江潮城互联网科技有限公司 | Curved surface photovoltaic module |
| CN107946390A (en) * | 2017-12-04 | 2018-04-20 | 孙健春 | It is a kind of that there is the solar cell and production method for changing power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20160705 |