CN203466199U - Double-face cell assembly - Google Patents
Double-face cell assembly Download PDFInfo
- Publication number
- CN203466199U CN203466199U CN201320481254.0U CN201320481254U CN203466199U CN 203466199 U CN203466199 U CN 203466199U CN 201320481254 U CN201320481254 U CN 201320481254U CN 203466199 U CN203466199 U CN 203466199U
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- CN
- China
- Prior art keywords
- double
- sided
- glued membrane
- eva glued
- battery pack
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model provides a double-face cell assembly which comprises a lamination structure. The lamination structure comprises toughened glass, an EVA (Ethylene-Vinyl Acetate) coating, double-face solar cells, another EVA coating and a backboard which are successively arranged from top to bottom and laminated; an aluminum frame is mounted in the periphery of the lamination structure; the double-face solar cells form an array; and before lamination, the serial-connection spacing of the double-face solar cells is 4mm. According to the utility model, the problem that bubbles are generated in the assembly in the lamination process of the double-face cells is solved, the possibility of displacement of the cells is reduced, and better transmittance is provided.
Description
Technical field
The utility model belongs to solar module technical field, is specifically related to a kind of battery component of generating electricity on two sides.
Background technology
Double-sided solar battery be the positive and negative of cell piece under the irradiation of light, can produce corresponding power, when Double-sided battery pack is installed on building, under the irradiation of sunlight, can utilize daytime the front of assembly that sunlight is converted to electric energy; In evening, the light in the solar cell absorption chamber of reverse side, is converted into electric energy; So greatly increased the power of assembly.
As shown in Figure 1, the spacing of current Double-sided battery pack when carrying out double-sided solar battery sheet serial connection is 2mm, often there will be in process of production cell piece displacement, and in assembly, can produce bubble after lamination.And cell piece displacement not only can affect the outward appearance of assembly, thereby can make that intercell connector between battery is distorted when serious, electrical property and life-span that the overlapping short circuit of cell piece etc. affects assembly; The outward appearance that the bubble producing in assembly not only affects assembly also exerts an influence to the light transmission of assembly.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, a kind of Double-sided battery pack is provided, the utility model has solved the phenomenon of Double-sided battery pack component internal generation bubble in lamination process, also reduced the possibility of cell piece displacement, and light transmission is better.
For achieving the above object, the utility model adopts following technical scheme:
A kind of Double-sided battery pack, comprise the laminated construction that is followed successively by from top to bottom toughened glass, EVA glued membrane composite bed, double-sided solar battery sheet, EVA glued membrane composite bed and backboard through lamination, described laminated construction surrounding is provided with aluminium frame, described solar energy double-sided solar battery sheet forms array, and before lamination, the spacing of described solar energy double-sided cell piece serial connection is 4mm.
Further, described EVA glued membrane composite bed comprises three layers of EVA glued membrane.
Further, the thickness of described EVA glued membrane is 0.3～0.4mm.
Further, described EVA glued membrane composite bed comprises two-layer EVA glued membrane, and the thickness of described EVA glued membrane is 0.5～0.6mm.
Further, described EVA glued membrane is provided with horizontal and vertical tool marks.
Further, described backboard adopts toughened glass.
Further, described backboard adopts TPT transparent material.
Further, described double-side cell sheet is two-sided monocrystaline silicon solar cell sheet.
Further, described double-sided solar battery chip arrays comprises 4 row, and two middle row respectively comprise 13 double-sided solar battery sheets, and other two row respectively comprise 14 double-sided solar battery sheets.
The beneficial effects of the utility model are:
(1) spacing when the utility model has increased double-sided solar battery sheet serial connection, is increased to 4mm from the 2mm of prior art, can reduce like this possibility that causes adverse consequences because of cell piece displacement.
(2) the utility model is different according to the thickness of individual layer EVA glued membrane on market, the EVA glued membrane adopting includes 3 layers or 2 layers of EVA individual layer glued membrane, making its gross thickness is 0.9mm～1.2mm, the EVA glued membrane of this thickness can be avoided Double-sided battery pack inner possibility that produces bubble in lamination process, and has also reduced the possibility of cell piece displacement.
(3) on the EVA glued membrane that the utility model adopts, draw and have horizontal and vertical tool marks, can reduce like this directivity that EVA glued membrane shrinks, battery displacement phenomenon is obviously reduced.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the double-sided solar battery chip arrays of prior art;
The schematic diagram of the double-sided solar battery chip arrays that Fig. 2 provides for the utility model.
Wherein, 1 double-sided solar battery sheet.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The present embodiment provides a kind of Double-sided battery pack, to be followed successively by from top to bottom the laminated construction that toughened glass laminated together, EVA glued membrane composite bed, double-sided solar battery sheet 1, EVA glued membrane composite bed and backboard form, this laminated construction surrounding is provided with aluminium frame, and described double-sided solar battery sheet 1 forms array; Spacing during described solar energy double-sided cell piece 1 serial connection is 4mm (as shown in Figure 2), in terms of existing technologies (as shown in Figure 1, the spacing of solar energy double-sided cell piece serial connection is 2mm), the utility model has increased the serial connection spacing of solar energy double-sided cell piece 1, can reduce like this possibility that causes adverse consequences because of solar energy double-sided cell piece displacement.
As a kind of embodiment of the present utility model, above-mentioned EVA glued membrane composite bed comprises three layers of EVA glued membrane, and the thickness of EVA glued membrane is preferably 0.3～0.4mm; The gross thickness that makes EVA glued membrane composite bed is 0.9～1.2mm.
As a kind of embodiment of the present utility model, above-mentioned EVA glued membrane composite bed comprises two-layer EVA glued membrane, and the thickness of EVA glued membrane is preferably 0.5～0.6mm; The gross thickness that makes EVA glued membrane composite bed is 1.0～1.2mm.
In Double-sided battery pack, the thickness of EVA glued membrane composite bed is the most suitable between 0.9～1.2mm, both not too thick, also not too thin, surpasses this thickness and easily causes battery displacement, is less than this thickness and easily makes the easy sliver of battery, produces bubble etc.; And the EVA glued membrane that adopts this thickness in the present embodiment can reduce the possibility of cell piece displacement the largelyst, and substantially solved the phenomenon that Double-sided battery pack component internal in lamination process produces bubble.
As a kind of preferred embodiment of the present utility model, EVA glued membrane is drawn above before lamination tool marks anyhow, like this.Can reduce the directivity that EVA glued membrane shrinks, the cell piece displacement phenomenon after encapsulation is obviously reduced.
As a kind of preferred embodiment of the present utility model; backboard is preferably toughened glass or TPT transparent material, so not only can protect cell piece, also makes the reverse side light transmission of the Double-sided battery pack that the present embodiment provides better; make it absorb better light, thereby improve the power of assembly.
As a kind of preferred embodiment of the present utility model, double-sided solar battery sheet 1 array comprises 4 row, two middle row respectively comprise 13 double-sided solar battery sheets 1, and other two row respectively comprise 14 double-sided solar battery sheets 1, totally 54 cell pieces (as shown in Figure 2); And the spacing between adjacent two double-side cell sheets is 4mm; Double-side cell sheet is preferably two-sided monocrystaline silicon solar cell sheet, because monocrystaline silicon solar cell sheet has advantages of that the decay of high efficiency, the end, reliability are strong, the transformation efficiency of the Double-sided battery pack that the present embodiment provides is further improved, and its reliability is increased.
The Double-sided battery pack that the present embodiment provides, after lamination, is used the even spray assembly of normal-temperature water surface, makes it cooling rapidly, can strengthen like this light transmission of assembly.
To sum up, the utility model has solved the phenomenon of Double-sided battery pack component internal generation bubble in lamination process, also reduced the possibility of cell piece displacement, and light transmission is better.
The foregoing is only preferred embodiment of the present utility model, be not used for limiting practical range of the present utility model; If do not depart from spirit and scope of the present utility model, the utility model is modified or is equal to replacement, all should be encompassed in the middle of the protection range of the utility model claim.
Claims (8)
1. a Double-sided battery pack, comprise the laminated construction that is followed successively by from top to bottom toughened glass, EVA glued membrane composite bed, double-sided solar battery sheet, EVA glued membrane composite bed and backboard through lamination, described laminated construction surrounding is provided with aluminium frame, it is characterized in that, described double-sided solar battery sheet forms array, and before lamination, the spacing of described double-sided solar battery sheet serial connection is 4mm, and described EVA glued membrane is provided with horizontal and vertical tool marks.
2. a kind of Double-sided battery pack according to claim 1, is characterized in that, described EVA glued membrane composite bed contains three layers of EVA glued membrane.
3. according to a kind of Double-sided battery pack shown in claim 2, it is characterized in that, the thickness of described EVA glued membrane is 0.3～0.4mm.
4. a kind of Double-sided battery pack according to claim 1, is characterized in that, described EVA glued membrane composite bed comprises two-layer EVA glued membrane, and the thickness of described EVA glued membrane is 0.5～0.6mm.
5. a kind of Double-sided battery pack according to claim 1, is characterized in that, described backboard adopts toughened glass.
6. a kind of Double-sided battery pack according to claim 1, is characterized in that, described backboard adopts TPT transparent material.
7. a kind of Double-sided battery pack according to claim 1, is characterized in that, described double-sided solar battery sheet is two-sided monocrystaline silicon solar cell sheet.
8. a kind of Double-sided battery pack according to claim 1, is characterized in that, described double-sided solar battery chip arrays comprises 4 row, and two middle row respectively comprise 13 double-sided solar battery sheets, and other two row respectively comprise 14 double-sided solar battery sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481254.0U CN203466199U (en) | 2013-08-07 | 2013-08-07 | Double-face cell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320481254.0U CN203466199U (en) | 2013-08-07 | 2013-08-07 | Double-face cell assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466199U true CN203466199U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320481254.0U Expired - Fee Related CN203466199U (en) | 2013-08-07 | 2013-08-07 | Double-face cell assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779324A (en) * | 2015-04-27 | 2015-07-15 | 沙嫣 | Two-faced glass crystalline silicon solar cell series group packaging method |
| CN114335221A (en) * | 2021-12-31 | 2022-04-12 | 常州华耀光电科技有限公司 | Double-glass solar module laminating process |
-
2013
- 2013-08-07 CN CN201320481254.0U patent/CN203466199U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779324A (en) * | 2015-04-27 | 2015-07-15 | 沙嫣 | Two-faced glass crystalline silicon solar cell series group packaging method |
| CN114335221A (en) * | 2021-12-31 | 2022-04-12 | 常州华耀光电科技有限公司 | Double-glass solar module laminating process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20140305 Termination date: 20190807 |