CN203950823U - High-efficiency photovoltaic assembly - Google Patents
High-efficiency photovoltaic assembly Download PDFInfo
- Publication number
- CN203950823U CN203950823U CN201420263283.4U CN201420263283U CN203950823U CN 203950823 U CN203950823 U CN 203950823U CN 201420263283 U CN201420263283 U CN 201420263283U CN 203950823 U CN203950823 U CN 203950823U
- Authority
- CN
- China
- Prior art keywords
- layer
- reflecting piece
- copper strips
- tin copper
- photovoltaic assembly
- Prior art date
- 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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Classifications
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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 relates to a kind of high-efficiency photovoltaic assembly, it comprises being laminated to and in frame (6), comprises successively from top to bottom low iron ultrawhite toughened glass layer (1), the first encapsulating material layer (2), solar cell lamella (3), the second encapsulating material layer (4) and backsheet layer (5), described solar cell lamella (3) comprises polylith solar battery sheet (3.1), polylith solar battery sheet (3.1), by being coated with tin copper strips (7) series connection, is characterized in that described painting tin copper strips (7) upper surface posts reflecting piece (7.1).The utility model high-efficiency photovoltaic assembly has advantages of the conversion efficiency and the power stage that improve assembly.
Description
Technical field
The utility model relates to a kind of photovoltaic module, relates in particular to a kind of high-efficiency photovoltaic assembly, belongs to solar energy generation technology field.
Background technology
At present, along with primary energy reserves are fewer and feweri, the development and utilization of clean renewable resources also more and more obtains the attention of various countries scientist and government, photovoltaic power generation technology is widely used as the forerunner of solar energy utilization, but along with the development of battery and component technology, photovoltaic technology also runs into many bottlenecks, such as the cost of raw material is high, cause grid-connected cost higher, existing battery technology has been gone to bottleneck stage, unless had revolutionary technology to occur, otherwise be difficult in a short time the battery technology appearance of high conversion efficiency.In application end, not only can save the project fund input in early stage if use high power assembly, can also save the land resource of a large amount of preciousnesses, therefore improve the conversion efficiency of assembly and the high-efficiency photovoltaic assembly of power stage had become the object that assembly all big enterprises competitively chase already.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of conversion efficiency of assembly and high-efficiency photovoltaic assembly of power stage of improving is provided.
The purpose of this utility model is achieved in that
A kind of high-efficiency photovoltaic assembly, it comprises being laminated to and in frame, comprises successively from top to bottom low iron ultrawhite toughened glass layer, the first encapsulating material layer, solar cell lamella, the second encapsulating material layer and backsheet layer, described solar cell lamella comprises polylith solar battery sheet, polylith solar battery sheet is by being coated with the series connection of tin copper strips, and described painting tin copper strips upper surface posts reflecting piece.
Described reflecting piece is that 2mm is wide, it is rectangular that 1580mm grows, described reflecting piece comprises the metal plate layer on upper strata and the solid gum adhensive layer of lower floor, described metal plate layer material is the one in aluminium, chromium, platinum, the thickness of metal plate layer is between 0.01-0.2mm, the material of described solid gum adhensive layer is the copolymer of ethene-vinyl acetate fat, adhesive for polyurethane, the one in the agent of acrylic acid gluing.
Compared with prior art, the beneficial effects of the utility model are:
The current channel that connects cell piece owing to being coated with tin copper strips, but also block the light-receiving area of cell piece, reduce the power stage of assembly, the utility model is to stick one deck reflecting piece on be coated with tin copper strips, can will be coated with light reflection that tin copper strips block to the cell piece on both sides, thereby effectively have been utilized the area of solar battery sheet, increased the light-receiving area of solar battery sheet, improve the conversion efficiency of cell piece, and then improved the power stage of assembly.The utility model can, by power ascension 1.7%, effectively improve raw-material service efficiency on the basis of original production technology not being done large change, improves conversion efficiency and the power stage of assembly, has increased enterprise income.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model high-efficiency photovoltaic assembly.
Fig. 2 is that conventional photovoltaic assembly is coated with the structural representation that does not paste reflecting piece on tin copper strips.
Fig. 3 is that the utility model high-efficiency photovoltaic assembly is coated with the structural representation that pastes reflecting piece on tin copper strips.
Wherein:
Low iron ultrawhite toughened glass layer 1, the first encapsulating material layer 2, solar cell lamella 3, solar battery sheet 3.1, the second encapsulating material layer 4, backsheet layer 5, frame 6, painting tin copper strips 7, reflecting piece 7.1.
Embodiment
Referring to Fig. 1 ~ Fig. 3, a kind of high-efficiency photovoltaic assembly that the utility model relates to, it comprises being laminated to and in frame 6, comprises successively from top to bottom low iron ultrawhite toughened glass layer 1, the first encapsulating material layer 2, solar cell lamella 3, the second encapsulating material layer 4 and backsheet layer 5, described solar cell lamella 3 comprises polylith solar battery sheet 3.1, polylith solar battery sheet 3.1 is connected by being coated with tin copper strips 7, described painting tin copper strips 7 upper surfaces post reflecting piece 7.1, described reflecting piece 7.1 comprises the metal plate layer on upper strata and the solid gum adhensive layer of lower floor, wherein solid gum adhensive layer is bonded together metal plate layer and painting tin copper strips 7 after heating, described metal plate layer material is aluminium, chromium, one in platinum, the thickness of metal plate layer is between 0.01-0.2mm, the material of described solid gum adhensive layer is the copolymer of ethene-vinyl acetate fat, adhesive for polyurethane, one in the agent of acrylic acid gluing.
Embodiment:
The present embodiment, taking 60 polycrystalline 156 assemblies as example, illustrates the service condition of reflecting piece 7.1.This example is chosen specular aluminium as the sheet metal in reflecting piece 7.1, using adhesive for polyurethane as solid adhesive, make reflecting piece 7.1, in establishment of component process, first reflecting piece 7.1 is cut into 2mm wide, 1580mm's is rectangular, be placed on positive painting tin copper strips 7, keep reflecting piece 7.1 placed in the middle, and fit tightly on painting tin copper strips 7, in the time of the painting tin copper strips 7 at the welding back side, because welding temperature is higher generally more than 300 DEG C, high temperature can arrive in reflecting piece 7.1 through being coated with tin copper strips 7 and solar battery sheet 3 rapidly, now, polyurethane solid adhesive melts rapidly, sheet metal and painting tin copper strips 7 are bonded together, cooling rear cohesive force strengthens, adhesion strength strengthens, reflecting piece 7.1 is just firmly bonded in and has been coated with on tin copper strips 7, Fig. 2 is the schematic diagram that does not paste reflecting piece 7.1, and Fig. 3 is the schematic diagram that posts reflecting piece 7.1.Following table is the assembly to not pasting reflecting piece and the power test data of posting the assembly of reflecting piece.
Table 1: paste reflecting piece and do not paste reflecting piece power test data
| Project | First group | Second group | The 3rd group | The 4th group | Average power |
| Do not paste the assembly of reflecting piece | 248.36 | 247.92 | 247.37 | 246.4 | 247.52 |
| Paste the assembly of reflecting piece | 252.25 | 251.73 | 252.64 | 250.89 | 251.88 |
From power test result, the comparable component power of not pasting reflecting piece of assembly of posting reflecting piece improves 4.3W, and efficiency improves 1.7%, component power can be promoted to one grade, has realized the Efficient Conversion of assembly.
Claims (2)
1. a high-efficiency photovoltaic assembly, it comprises being laminated to and in frame (6), comprises successively from top to bottom low iron ultrawhite toughened glass layer (1), the first encapsulating material layer (2), solar cell lamella (3), the second encapsulating material layer (4) and backsheet layer (5), described solar cell lamella (3) comprises polylith solar battery sheet (3.1), polylith solar battery sheet (3.1), by being coated with tin copper strips (7) series connection, is characterized in that described painting tin copper strips (7) upper surface posts reflecting piece (7.1).
2. a kind of high-efficiency photovoltaic assembly according to claim 1, it is characterized in that described reflecting piece (7.1) is that 2mm is wide, it is rectangular that 1580mm grows, described reflecting piece (7.1) comprises the metal plate layer on upper strata and the solid gum adhensive layer of lower floor, described metal plate layer material is the one in aluminium, chromium, platinum, and the thickness of metal plate layer is between 0.01-0.2mm, and the material of described solid gum adhensive layer is the copolymer of ethene-vinyl acetate fat, adhesive for polyurethane, the one in the agent of acrylic acid gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263283.4U CN203950823U (en) | 2014-05-22 | 2014-05-22 | High-efficiency photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263283.4U CN203950823U (en) | 2014-05-22 | 2014-05-22 | High-efficiency photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950823U true CN203950823U (en) | 2014-11-19 |
Family
ID=51892844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420263283.4U Expired - Fee Related CN203950823U (en) | 2014-05-22 | 2014-05-22 | High-efficiency photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957384A (en) * | 2019-12-11 | 2020-04-03 | 张家港伟宇工艺玻璃制品有限公司 | Solar photovoltaic low-iron ultra-white toughened glass and preparation method thereof |
-
2014
- 2014-05-22 CN CN201420263283.4U patent/CN203950823U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957384A (en) * | 2019-12-11 | 2020-04-03 | 张家港伟宇工艺玻璃制品有限公司 | Solar photovoltaic low-iron ultra-white toughened glass and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180914 Granted publication date: 20141119 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210914 Granted publication date: 20141119 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20180522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |