CN101635536A - Foldable solar energy movable power supply and manufacture method thereof - Google Patents
Foldable solar energy movable power supply and manufacture method thereof Download PDFInfo
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- CN101635536A CN101635536A CN200910033642A CN200910033642A CN101635536A CN 101635536 A CN101635536 A CN 101635536A CN 200910033642 A CN200910033642 A CN 200910033642A CN 200910033642 A CN200910033642 A CN 200910033642A CN 101635536 A CN101635536 A CN 101635536A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a foldable solar energy movable power supply. The power supply comprises foldable units and an output interface, wherein, the foldable unit comprises solar cell components which are overlapped from the top to the bottom, a flexible binding material layer and a backplane; the solar cell components are connected through flexible cables; the foldable units are sealed and melted into a whole through the flexible binding material; and the output interface is connected with cathode and anode which are led from the flexible cables. The invention also discloses a method for manufacturing the power supply. The foldable solar energy movable power supply has light weight and convenient portability, and can be well folded. Compared with the prior art, the folding performance of the power supply is greatly improved. The manufacture method improves the method for feeding materials of the backplane. The hollow material feeding method solves the problem that when a small component is laminated, a polyvinyl fluoride composite film (TPT) and the component have relative displacement because of flowing of an EVA or PVB coating.
Description
Technical field
The present invention relates to a kind of solar module and manufacture method thereof, is a kind of solar energy movable power supply that can fold, be convenient for carrying and manufacture method thereof specifically.
Background technology
Solar energy is a kind of cleaning, the reproducible energy, and solar power generation progressively is being applied to every field such as family.Continuous progress along with science and technology, power device that moves such as mobile phone, digital camera, removable computer etc. sharply increase, the thing followed is satisfying of charging demand, promptly makes things convenient for the user can be for electrical equipment charges whenever and wherever possible, and not only is confined to the mains supply fixed.But in outdoor application, often run into the situation that electric energy exhausts, charge with regard to needing the power supply of carrying.
Utilized conversion of solar energy electrical equipment to be charged in the prior art for electric energy, but existing solar module generally is with in the framework that the solar cell monolithic is enclosed through string and after connecing and solar battery array is adaptive, at a cover glass that receives sunlight, another side covers hard substrate or soft substrate then.The solar module of hard substrate can not bending, and quality and area are bigger, are not easy to carry.The solar module of soft substrate is a new product that occurs recently, the solar module of so-called soft substrate is meant the solar module of making on flexible material, maximum characteristics are can be crooked, but these flexible solar battery packs can only bend to a certain degree, can not fold, and after crooked certain number of times, flexible substrates ruptures easily.The patent No. is that the Chinese utility model patent of ZL200720111494.6 discloses a kind of solar-powered collapsible battery panel components, it is that solar panel is bonded on the flexible parent metal, is fixed with fixed support and the fixed support bar that is connected and fixed support at the back side of flexible parent metal; The patent No. is that the Chinese utility model patent of ZL200620010189.1 also discloses a kind of solar-powered collapsible cell panel, and it is that solar panel is fixed in the housing, passes through hinge-coupled between each housing.Above-mentioned Foldable solar energy battery component, owing to have support and support bar, or framework and hinge, therefore heavier, be inconvenient to carry, and use trouble.
Summary of the invention
Goal of the invention: the objective of the invention is to overcome the deficiencies in the prior art, a kind of Foldable solar energy movable power supply is provided, it is in light weight, collapsible, is convenient for carrying.
Another object of the present invention provides the manufacture method of above-mentioned Foldable solar energy movable power supply.
Technical scheme: to achieve these goals, the present invention has adopted following technical scheme: a kind of Foldable solar energy movable power supply, comprise collapsible unit and output interface, described collapsible unit comprises from top to bottom solar module, flexible adhesion material layer and the backboard of stack successively, connecting by flexible cable between the solar module, is one by the welding of flexible adhesion material seal between the collapsible unit; Output is connected with the both positive and negative polarity of drawing from flexible cable by mouth.
Wherein, described flexible adhesion material layer and flexible adhesion material are polyvinyl butyral resin or transparent ethylene-vinyl acetate material, and described backboard is the polyvinyl fluoride composite membrane, and described flexible cable is a flexible flat cable.
Described solar module comprises the insulation board that superposes successively, following flexible adhesion material layer, solar battery cell string from bottom to top, goes up flexible adhesion material layer and transparent cover plate; Described flexible adhesion material layer down and last flexible adhesion material layer are polyvinyl butyral resin or transparent ethylene-vinyl acetate material, described insulation board is an epoxy resin board, and described cover plate is PETG or transparent polyvinyl fluoride composite membrane.
The manufacture method of described a kind of Foldable solar energy movable power supply comprises the steps:
(1) preparation solar module, and deburring;
(2) according to required output voltage and power output, the solar module of getting step (1) preparation is some, the interval between the fixed solar battery component, and with flexible cable solar module is carried out connection in series-parallel and weld;
(3) after connection in series-parallel assembly that step (2) is formed and flexible adhesion material layer, the backboard stack, put into vacuum laminator and vacuumize; Pressurized, heated is hot-pressed onto the connection in series-parallel assembly with flexible adhesion material layer, backboard, take out after the moulding;
Wherein: on the described backboard with solar module between corresponding position, interval, be provided with the rectangle engraved structure suitable with the interval of solar module, the width of hollow out is width at interval, and the length of hollow out is more than or equal to the length of solar module;
(4) deburring: after treating superimposed lamination, reduce unnecessary backboard around the gap again, and install output interface and promptly get Foldable solar energy movable power supply.
In the step (3), be spaced apart 10～20mm between the described solar module.
Beneficial effect: the present invention compared with prior art has following advantage,
(1), Foldable solar energy movable power supply of the present invention is in light weight, be convenient for carrying.Foldable solar energy movable power supply of the present invention need not framework, has alleviated whole weight greatly, is easy to carry; Compare traditional solar cell, especially by photovoltaic glass, ethylene vinyl acetate material (EVA), array, ethylene vinyl acetate material (EVA), polyvinyl fluoride composite membrane (TPT) from bottom to top successively the stack solar cell, solar module of the present invention is owing to adopt the epoxy plate that density is littler, thickness is thinner, under the identical size cases, quality be about three of traditional glass assembly/; Because collapsible, the area after folding reduces much with comparing originally, is convenient for carrying; And the anti-damage performance of Foldable solar energy movable power supply of the present invention is more excellent: through test, this Foldable assembly falls from 1.2m, the outward appearance of assembly and unit for electrical property parameters no significant difference.
(2) Foldable solar energy movable power supply of the present invention can well fold, and compared with prior art folding property improves greatly.Pass through flexible adhesion material EVA or PVB between the solar module as connecting portion, and utilize flexible flat cable (FFC) to connect between the positive and negative electrode of solar module, all improved the foldability of solar cell greatly.Through test, folding 10,000 times of folded part warp, the outward appearance of assembly folded part and unit for electrical property parameters no significant difference, collapsible performance is better than prior art far away.
(3) manufacture method of the present invention has been improved the baiting method of backboard, specifically be on the backboard with solar module between corresponding position, interval be provided with engraved structure, the width of hollow out is the interval between the solar module, and the length of hollow out is more than or equal to the length of solar module; Behind the superimposed lamination, unnecessary backboard around reducing makes folded part have only easily folding EVA or PVB, flexible flat cable.In the present invention, because backboard preferably uses polyvinyl fluoride composite membrane (TPT), and the elasticity of polyvinyl fluoride composite membrane (TPT) is bigger, is difficult for doubling, remove the polyvinyl fluoride composite membrane (TPT) of folded part after, the foldability of solar cell further improves.And the method for this hollow out blanking, when having solved the lamination widgets, because EVA or PVB glued membrane flow, polyvinyl fluoride composite membrane (TPT) produces the problem of relative displacement with assembly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of collapsible unit of the present invention.
Fig. 3 is the structure for amplifying schematic diagram of solar module among the present invention.
After assembly that Fig. 4 forms for connection in series-parallel and EVA, the backboard hot pressing, the schematic diagram when not pruning.
Fig. 5 is the schematic diagram of backboard of the present invention.
Fig. 6 is the schematic diagram after pruning among Fig. 4.
Embodiment:
According to following embodiment, the present invention may be better understood.
As shown in Figure 1, 2, a kind of Foldable solar energy movable power supply of the present invention comprises some collapsible unit, and is not limited to the quantity shown in the diagrammatic sketch.Described collapsible unit comprises from top to bottom solar module 1, flexible adhesion material layer 2 and the backboard 3 of stack successively, backboard 3 can select for use polyvinyl fluoride composite membrane materials such as (TPT) to make, and flexible adhesion material layer 2 is polyvinyl butyral resin (PVB) or transparent ethylene-vinyl acetate material (EVA).According to required voltage, watt level, each Foldable solar energy battery is chosen some collapsible unit, connect by flexible cable 4 between the both positive and negative polarity of the solar module 1 of some collapsible unit, be one by polyvinyl butyral resin (PVB) or transparent ethylene vinyl acetate material (EVA) frit seal between the collapsible unit, flexible cable 4 is sealed in the flexible adhesion material, and the protection cable is not fragile; Described flexible cable 4 is a flexible flat cable, adopts flexible flat cable (FFC) to replace zinc-plated copper strips, has improved the foldability of assembly.The both positive and negative polarity of being drawn by flexible flat cable is connected with output interface 5, and during use, output interface 5 is by controller and need the electrical equipment of charging to be connected to get final product.
As shown in Figure 3, described solar module 1 comprises the insulation board 11 that superposes successively, following flexible adhesion material layer 12, solar battery cell string 13 from bottom to top, goes up flexible adhesion material layer 14 and transparent cover plate 15.Described flexible adhesion material layer 12 down and last flexible adhesion material layer 14 are polyvinyl butyral resin or transparent ethylene-vinyl acetate material; Described insulation board 11 is an epoxy resin board; Described cover plate 15 is PETG or transparent polyvinyl fluoride composite membrane.Compare with traditional glass assembly, the density of epoxy resin board is littler, thickness is thinner, has alleviated the quality of assembly greatly, has improved the fail safe and the portability of assembly; And then whole quality and portability have been alleviated.Wherein, described solar battery cell string 13 is the monolithic crystal silicon solar energy battery unit strings solar battery cell string that forms in parallel.
Be example to give the used Foldable solar energy movable power supply of cell-phone charging below, further describe the manufacture method of Foldable solar energy movable power supply of the present invention, its required maximum output voltage is 5.5V, and peak power output is 4W.
(1) preparation solar module.With epoxy resin board, down ethylene-vinyl acetate layer (EVA), through solar battery cell string that series connection forms, go up ethylene-vinyl acetate layer (EVA) and transparent PETG layer (PET) and superpose successively from bottom to top after, battery unit string two ends bonding wire is folded to the back side of epoxy resin board.Stacked good assembly is put into vacuum laminator, adopt the vacuum layer platen press that the laminating machine lower chambers is vacuumized, pressurized, heated remains the battery unit string in the above during lamination, and epoxy plate is positioned at orlop, the battery sheet of not so may crushing.Epoxy resin board, EVA, solar cell array, EVA and PET are hot-pressed onto together, take out after the moulding; And, be about to unnecessary EVA glued membrane and the PET backboard of epoxy plate periphery and cut away the solar module deburring that makes.
Wherein: each solar battery cell string is formed by 11 monolithic crystal silicon solar energy battery units in series, and each crystal silicon solar energy battery unit is of a size of 9mm * 62.5mm, conversion efficiency 16%; Epoxy plate is of a size of 113mm * 65mm * 1.5mm; Present embodiment needs 4 string solar battery cell string and 4 epoxy plates altogether, and each solar battery cell string is placed on the epoxy plate.
Vacuum lamination parameter: temperature: 135 ℃, evacuated time: 350s, pressing time: 20s, lamination time: 500s.
(2) get four of the solar modules of step (1) preparation, four solar modules are fastened to each other, be spaced apart 15mm between per two solar modules, carry out the connection in series-parallel welding with flexible flat cable between the both positive and negative polarity of per two solar modules, promptly four solar modules form an approximate rectangular connection in series-parallel assembly, and rectangle is easier to be folding.
(3) after the connection in series-parallel assembly that from bottom to top step (2) is formed superposes with ethylene vinyl acetate (EVA) and polyvinyl fluoride composite membrane (TPT) successively, draw flexible flat cable as both positive and negative polarity (left side positive right negative) to the TPT outside, put into vacuum laminator lamination (the same step 1) of laminating parameters, the connection in series-parallel assembly is hot-pressed onto with ethylene-vinyl acetate material (EVA), polyvinyl fluoride composite membrane (TPT), takes out after the moulding.As shown in Figure 4, the dash area among the figure is the part that will prune away.
Wherein, the position that described polyvinyl fluoride composite membrane (TPT) is corresponding with the interval between the solar module is provided with engraved structure, hollow out is a rectangle, and the width of hollow out is the interval 15mm between the solar module, and the length of hollow out is slightly larger than the length of solar module; Be illustrated in figure 5 as the structural representation of TPT backboard, dash area is a hollow out among the figure.The width of hollow out, promptly the size at the interval between the solar module can be regulated according to the shape size of the solar cell of reality between 10～20mm.
(4) deburring: reduce unnecessary TPT around the gap, and install output interface and promptly get Foldable solar energy movable power supply, as shown in Figure 6.Because polyvinyl fluoride composite membrane (TPT) elasticity is bigger, is difficult for doubling, the present invention has removed the polyvinyl fluoride composite membrane (TPT) of assembly folding part, and folded part is made up of easily folding EVA glued membrane and flexible flat cable (FFC); The method of this hollow out blanking, when having solved the lamination widgets, because the EVA glued membrane flows, polyvinyl fluoride composite membrane (TPT) produces the problem of relative displacement with assembly, makes the Foldable solar energy battery.
In the concrete technology of the present invention, also can select for use the more excellent polyvinyl butyral resin of ageing resistace (PVB) to replace the EVA glued membrane, and the tensile strength of PVB glue and crosslinking are better; PETG layer (PET) also can be used polyvinyl fluoride composite membrane (TPT), and other is with above-mentioned embodiment.
Claims (10)
1, a kind of Foldable solar energy movable power supply, it is characterized in that: comprise collapsible unit and output interface (5), described collapsible unit comprises from top to bottom solar module (1), flexible adhesion material layer (2) and the backboard (3) of stack successively, connecting by flexible cable (4) between the solar module (1), is one by the welding of flexible adhesion material seal between the collapsible unit; Output interface (5) is connected with the both positive and negative polarity of drawing from flexible cable (4).
2, a kind of Foldable solar energy movable power supply according to claim 1 is characterized in that: described flexible adhesion material layer (2) and flexible adhesion material are polyvinyl butyral resin or transparent ethylene-vinyl acetate material.
3, a kind of Foldable solar energy movable power supply according to claim 1 is characterized in that: described solar module (1) comprises the insulation board (11) that superposes successively, following flexible adhesion material layer (12), solar battery cell string (13) from bottom to top, goes up flexible adhesion material layer (14) and transparent cover plate (15).
4, a kind of Foldable solar energy movable power supply according to claim 3 is characterized in that: described flexible adhesion material layer (12) down and last flexible adhesion material layer (14) are polyvinyl butyral resin or transparent ethylene-vinyl acetate material.
5, a kind of Foldable solar energy movable power supply according to claim 3 is characterized in that: described insulation board (11) is an epoxy resin board.
6, a kind of Foldable solar energy movable power supply according to claim 3 is characterized in that: described cover plate (15) is PETG or transparent polyvinyl fluoride composite membrane.
7, a kind of Foldable solar energy movable power supply according to claim 1 is characterized in that: described backboard (3) is the polyvinyl fluoride composite membrane.
8, a kind of Foldable solar energy movable power supply according to claim 1 is characterized in that: described flexible cable (4) is a flexible flat cable.
9, aforesaid right requires the manufacture method of 1 described a kind of Foldable solar energy movable power supply, it is characterized in that: comprise the steps:
(1) preparation solar module, and deburring;
(2) according to required output voltage and power output, the solar module of getting step (1) preparation is some, the interval between the fixed solar battery component, and with flexible cable solar module is carried out connection in series-parallel and weld;
(3) after connection in series-parallel assembly that step (2) is formed and flexible adhesion material layer, the backboard stack, put into vacuum laminator and vacuumize; Pressurized, heated is hot-pressed onto the connection in series-parallel assembly with flexible adhesion material layer, backboard, take out after the moulding;
Wherein: on the described backboard with solar module between corresponding position, interval, be provided with the rectangle engraved structure suitable with the interval of solar module, the width of hollow out is width at interval, and the length of hollow out is more than or equal to the length of solar module;
(4) deburring: after treating superimposed lamination, reduce unnecessary backboard around the gap again, and install output interface and promptly get Foldable solar energy movable power supply.
10, the manufacture method of a kind of Foldable solar energy movable power supply according to claim 9 is characterized in that: in the step (3), be spaced apart 10～20mm between the described solar module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100336420A CN101635536B (en) | 2009-06-25 | 2009-06-25 | Foldable solar energy movable power supply and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100336420A CN101635536B (en) | 2009-06-25 | 2009-06-25 | Foldable solar energy movable power supply and manufacture method thereof |
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| CN101635536A true CN101635536A (en) | 2010-01-27 |
| CN101635536B CN101635536B (en) | 2012-03-14 |
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| CN2009100336420A Expired - Fee Related CN101635536B (en) | 2009-06-25 | 2009-06-25 | Foldable solar energy movable power supply and manufacture method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441549A (en) * | 2013-09-06 | 2013-12-11 | 洛阳理工学院 | Folding type solar energy mobile power supply |
| CN103928547A (en) * | 2014-04-28 | 2014-07-16 | 杭州勇电照明有限公司 | Floating type solar cell panel and forming method thereof |
| CN104347741A (en) * | 2013-07-24 | 2015-02-11 | 国电新能源技术研究院 | Flexible light transmitting photovoltaic assembly and preparation method thereof |
| CN105186607A (en) * | 2015-08-28 | 2015-12-23 | 厦门大雅传奇文化传播有限公司 | Portable mobile power supply |
| JP2019506115A (en) * | 2015-12-18 | 2019-02-28 | ネーデルランドセ・オルガニサティ・フォール・トゥーヘパスト−ナトゥールウェテンスハッペライク・オンデルズーク・テーエヌオー | Variable length screen, system including the screen, and manufacturing method |
| CN110915133A (en) * | 2017-05-12 | 2020-03-24 | 太阳能公司 | Folding photovoltaic cell panel |
| WO2024045300A1 (en) * | 2022-08-30 | 2024-03-07 | 深圳市光瑞实业有限公司 | Bendable solar panel |
-
2009
- 2009-06-25 CN CN2009100336420A patent/CN101635536B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347741A (en) * | 2013-07-24 | 2015-02-11 | 国电新能源技术研究院 | Flexible light transmitting photovoltaic assembly and preparation method thereof |
| CN103441549A (en) * | 2013-09-06 | 2013-12-11 | 洛阳理工学院 | Folding type solar energy mobile power supply |
| CN103928547A (en) * | 2014-04-28 | 2014-07-16 | 杭州勇电照明有限公司 | Floating type solar cell panel and forming method thereof |
| CN105186607A (en) * | 2015-08-28 | 2015-12-23 | 厦门大雅传奇文化传播有限公司 | Portable mobile power supply |
| JP2019506115A (en) * | 2015-12-18 | 2019-02-28 | ネーデルランドセ・オルガニサティ・フォール・トゥーヘパスト−ナトゥールウェテンスハッペライク・オンデルズーク・テーエヌオー | Variable length screen, system including the screen, and manufacturing method |
| CN110915133A (en) * | 2017-05-12 | 2020-03-24 | 太阳能公司 | Folding photovoltaic cell panel |
| WO2024045300A1 (en) * | 2022-08-30 | 2024-03-07 | 深圳市光瑞实业有限公司 | Bendable solar panel |
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| CN101635536B (en) | 2012-03-14 |
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Owner name: CEEG (NANJING) SOLAR ENERGY RESEARCH INSTITUTE CO. Free format text: FORMER OWNER: ZHONGDIAN ELECTRIC GROUP CO., LTD. Effective date: 20120711 |
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