CN203631574U - Solar cell module - Google Patents
Solar cell module Download PDFInfo
- Publication number
- CN203631574U CN203631574U CN201320837158.5U CN201320837158U CN203631574U CN 203631574 U CN203631574 U CN 203631574U CN 201320837158 U CN201320837158 U CN 201320837158U CN 203631574 U CN203631574 U CN 203631574U
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- China
- Prior art keywords
- welding
- convergent belt
- wuxi layer
- wuxi
- layer
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- 238000003466 welding Methods 0.000 claims abstract description 165
- 238000005476 soldering Methods 0.000 abstract 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a solar cell module. The solar cell module comprises cells (40), soldering strips and a bus bar, the soldering strips are connected to the surfaces of the cells (40), the soldering strips are connected with the bus bar, the soldering strips are soldering strips without tinned layers(20), the bus bar is a bus bar without a tinned layer (30), and the soldering strips without the tinned layers(20) and the bus bar without the tinned layer (30) are welded together via welding rods (10). The solar cell module effectively solves the problem of high cost of the soldering strips with the tinned layers and the bus bars with the tinned layers in the prior art.
Description
Technical field
The utility model relates to technical field of solar batteries, in particular to a kind of solar module.
Background technology
Along with photovoltaic market is ripe gradually, increasing enterprise or business have added the sector, make the competition of the sector more and more fierce, and reducing costs is trend of the times.In solar cell manufacture process, welding is used for being connected in series multiple solar battery sheets, and welding is the tin-coated copper strip forming at plated surface one deck tin of copper wire, and said structure can guarantee conductivity and solderability.The width of welding is generally 1.5mm, 2mm etc., and thickness is 0.2～0.3mm.Convergent belt is the tin-coated copper strip for welding is serially connected, and the width of convergent belt is generally 5～8mm, and thickness is 0.3～0.4mm.
When welding and convergent belt are welded together, be generally with electric iron butt welding band or convergent belt heating, tin coating to be melted welding and convergent belt are welded together.
Utility model content
The utility model aims to provide a kind of solar module, to solve welding and the higher problem of convergent belt cost in prior art with tin coating.
To achieve these goals, the utility model provides a kind of solar cell chip module, comprise cell piece, welding and convergent belt, welding is connected on the surface of cell piece, welding is connected with convergent belt, welding is Wuxi layer welding, and convergent belt is Wuxi layer convergent belt, and Wuxi layer welding and Wuxi layer convergent belt weld together by welding rod.
Further, Wuxi layer convergent belt is arranged on the side along Wuxi layer welding bearing of trend of cell piece, and end and the Wuxi layer convergent belt of Wuxi layer welding are welded to connect by welding rod.
Further, welding rod arranges between Wuxi layer welding and Wuxi layer convergent belt.
Further, the vertical setting of length direction of the length direction of Wuxi layer convergent belt and Wuxi layer welding.
Further, Wuxi layer welding and welding rod are many, many Wuxi layer weldings and the corresponding setting one by one of many welding rods, and many Wuxi layer welding arrange along length direction or the Width of cell piece, many welding rods are connected on the layer convergent belt of Wuxi.
Further, the width of welding rod is more than or equal to the width of Wuxi layer welding, and the length of welding rod is less than or equal to the width of Wuxi layer convergent belt.
Application the technical solution of the utility model, welds together Wuxi layer welding and Wuxi layer convergent belt by welding rod.Because the welding using is Wuxi layer welding, convergent belt is Wuxi layer convergent belt, has so effectively reduced the use amount of tin.The contact area of the junction between Wuxi layer welding and Wuxi layer convergent belt is also smaller simultaneously, only needs to use welding rod that Wuxi layer welding and Wuxi layer convergent belt are welded together, and the use amount of welding rod is smaller, can reduce like this production cost.The technical solution of the utility model is all coated with tin layer with the surface of welding in prior art and convergent belt and compares, and has effectively reduced production cost.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows according to the structural representation of solar cell chip module of the present utility model;
Fig. 2 shows the welding wire of solar cell chip module and the johning knot schematic diagram of convergent belt of Fig. 1; And
Fig. 3 shows the welding of solar cell chip module of the utility model Fig. 1 and the schematic flow sheet of the method for attachment of convergent belt.
Above-mentioned accompanying drawing comprises the following drawings mark:
10, welding rod; 20, Wuxi layer welding; 30, Wuxi layer convergent belt; 40, cell piece.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As depicted in figs. 1 and 2, the solar cell chip module of the present embodiment comprises cell piece 40, welding and convergent belt, welding is connected on the surface of cell piece 40, welding is connected with convergent belt, welding is Wuxi layer welding 20, convergent belt is Wuxi layer convergent belt 30, and Wuxi layer welding 20 and Wuxi layer convergent belt 30 weld together by welding rod 10.
Because welding of the prior art and convergent belt all have tin coating, cost is higher.Inventor finds that by long-time R&D work welding and convergent belt use Wuxi layer welding 20 and Wuxi layer convergent belt 30 effectively to reduce costs.But, need to solve the connectivity problem between Wuxi layer welding 20 and Wuxi layer convergent belt 30.
The solar cell chip module of application the present embodiment, welds together Wuxi layer welding 20 and Wuxi layer convergent belt 30 by welding rod 10.Because the welding using is Wuxi layer welding 20, convergent belt is Wuxi layer convergent belt 30, has so effectively reduced the use amount of tin.The contact area of the junction between Wuxi layer welding 20 and Wuxi layer convergent belt 30 is also smaller simultaneously, only need to use welding rod 10 that Wuxi layer welding 20 and Wuxi layer convergent belt 30 are welded together, the use amount of welding rod 10 is smaller, can reduce like this production cost.The technical scheme of the present embodiment is all coated with tin layer with the surface of welding in prior art and convergent belt and compares, and has effectively reduced production cost.
In the present embodiment, for convenient, Wuxi layer welding 20 and Wuxi layer convergent belt 30 are welded together, Wuxi layer convergent belt 30 is arranged on the side along Wuxi layer welding 20 bearing of trends of cell piece 40, and end and the Wuxi layer convergent belt 30 of Wuxi layer welding 20 are welded to connect by welding rod 10.
In the present embodiment, welding rod 10 arranges between Wuxi layer welding 20 and Wuxi layer convergent belt 30.So more easily Wuxi layer welding 20 and Wuxi layer convergent belt 30 are welded together.
In the present embodiment, for convenient welding, the vertical setting of length direction of the length direction of Wuxi layer convergent belt 30 and Wuxi layer welding 20.
In the present embodiment, for the stability of the connection of multiple cell pieces 40, Wuxi layer welding 20 and welding rod 10 are many, many Wuxi layer weldings 20 and many welding rods 10 corresponding setting one by one, many Wuxi layer welding 20 arranged along length direction or the Width of cell piece 40, and many welding rods 10 are connected on Wuxi layer convergent belt 30.Preferably, the number of Wuxi layer welding 20 is three.Wuxi layer welding 20 on two adjacent cell pieces 40 is all connected on Wuxi layer convergent belt 30 by welding rod 10.Certainly, the number of Wuxi layer welding is not limited to this.
In the present embodiment, in order to make to be connected more firmly between Wuxi layer welding 20 and Wuxi layer convergent belt 30, the width of welding rod 10 is more than or equal to the width of Wuxi layer welding 20, and the length of welding rod 10 is less than or equal to the width of Wuxi layer convergent belt 30.Guarantee so better the precision that Wuxi layer welding 20 is placed on welding rod 10.
As shown in Figure 3, the welding of preferred embodiment of the application's solar cell chip module and the method for attachment of convergent belt comprise the following steps:
Step S10: column welding wire is struck out to flat-shaped welding rod to be welded, flat-shaped welding rod to be welded is carried out to cutting, obtain welding rod 10;
Step S20: welding rod 10 is welded on the surface of Wuxi layer convergent belt 30;
Step S30: Wuxi layer welding 20 is welded on welding rod 10;
Step S40: Wuxi layer welding and Wuxi layer convergent belt 30 are welded together by welding rod 10.
The application welding of the present embodiment and the method for attachment of convergent belt, weld together Wuxi layer welding 20 and Wuxi layer convergent belt 30 by welding rod 10.Because the welding using is Wuxi layer welding 20, convergent belt is Wuxi layer convergent belt 30, has so effectively reduced the use amount of tin.The contact area of the junction between Wuxi layer welding 20 and Wuxi layer convergent belt 30 is also smaller simultaneously, only need to use welding rod 10 that Wuxi layer welding 20 and Wuxi layer convergent belt 30 are welded together, the use amount of welding rod 10 is smaller, can reduce like this production cost.The technical solution of the utility model is all coated with tin layer with the surface of welding in prior art and convergent belt and compares, and has effectively reduced production cost.
Preferably, in step S20, while welding rod 10 being welded on the surface of Wuxi layer convergent belt 30, Wuxi layer welding 20 is placed on welding rod 10 and welded, can guarantee the precision that Wuxi layer welding 20 is placed on welding rod 10, increase work efficiency.
Preferably, in step S30, when Wuxi layer welding 20 is welded on welding rod 10, Wuxi layer convergent belt 30 is placed on backboard and welded.Use welding rod 10 can make welding process keep level and smooth, avoid producing high point, and then avoid puncturing due to height point the situation of backboard.
More preferably, in step S20, Wuxi layer convergent belt 30 is heated to uniform temperature, then welding rod 10 is placed on to precalculated position, welding rod 10 melts so that welding rod 10 is welded on Wuxi layer convergent belt 30.In the present embodiment, in step S30, Wuxi layer welding 20 is placed on the surface that is welded with welding rod 10 of Wuxi layer convergent belt 30, and makes Wuxi layer welding 20 corresponding one by one with welding rod 10, heat so that Wuxi layer welding 20 welds together with Wuxi layer convergent belt 30.When heating, can welding rod 10 be melted so that Wuxi layer welding 20 welds together with Wuxi layer convergent belt 30 to welding 20 heating.Certainly, also can welding rod be melted so that Wuxi layer welding and Wuxi layer convergent belt weld together to welding rod heating.
More preferably, in step S30, by electric iron, Wuxi layer welding 20 heated.In the present embodiment, in step S20, by electric iron, Wuxi layer convergent belt 30 heated.Structure of electric iron is simple, easy to use, and long service life is with low cost.
The material of welding rod 10 is tin.Welding rod 10 uses this material of tin, melts rapidly, solid and reliable after welding.Certainly, the material of welding rod 10 can be also unleaded tin.
In order to make to be connected more firmly between Wuxi layer welding 20 and Wuxi layer convergent belt 30, the width of welding rod 10 is more than or equal to the width of Wuxi layer welding 20, and the length of welding rod 10 is less than or equal to the width of Wuxi layer convergent belt 30.Guarantee so better the precision that Wuxi layer welding 20 is placed on welding rod 10.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. a solar cell chip module, comprise cell piece (40), welding and convergent belt, described welding is connected on the surface of described cell piece (40), described welding is connected with described convergent belt, it is characterized in that, described welding is Wuxi layer welding (20), and described convergent belt is Wuxi layer convergent belt (30), and described Wuxi layer welding (20) and described Wuxi layer convergent belt (30) weld together by welding rod (10).
2. solar cell chip module according to claim 1, it is characterized in that, described Wuxi layer convergent belt (30) is arranged on the side along described Wuxi layer welding (20) bearing of trend of described cell piece (40), and the end of described Wuxi layer welding (20) and Wuxi layer convergent belt (30) are welded to connect by welding rod (10).
3. solar cell chip module according to claim 1, is characterized in that, described welding rod (10) arranges between described Wuxi layer welding (20) and Wuxi layer convergent belt (30).
4. solar cell chip module according to claim 1, is characterized in that, the vertical setting of length direction of the length direction of described Wuxi layer convergent belt (30) and described Wuxi layer welding (20).
5. solar cell chip module according to claim 1, it is characterized in that, described Wuxi layer welding (20) and described welding rod (10) are many, described many Wuxi layer welding (20) and described many welding rods (10) corresponding setting one by one, described many Wuxi layer welding (20) are along length direction or the Width layout of described cell piece (40), and described many welding rods (10) are connected on described Wuxi layer convergent belt (30).
6. solar cell chip module according to claim 1, it is characterized in that, the width of described welding rod (10) is more than or equal to the width of described Wuxi layer welding (20), and the length of described welding rod (10) is less than or equal to the width of described Wuxi layer convergent belt (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837158.5U CN203631574U (en) | 2013-12-17 | 2013-12-17 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320837158.5U CN203631574U (en) | 2013-12-17 | 2013-12-17 | Solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631574U true CN203631574U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837158.5U Expired - Fee Related CN203631574U (en) | 2013-12-17 | 2013-12-17 | Solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631574U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684249A (en) * | 2013-12-17 | 2014-03-26 | 英利集团有限公司 | Connecting method of solder strip and bus bar and solar cell module |
| CN112599642A (en) * | 2020-12-18 | 2021-04-02 | 泰州隆基乐叶光伏科技有限公司 | Welding method of battery piece and photovoltaic module |
| CN114951204A (en) * | 2022-05-13 | 2022-08-30 | 英利能源（中国）有限公司 | Physical method for recovering welding strip bus bar in photovoltaic module and recovery equipment |
-
2013
- 2013-12-17 CN CN201320837158.5U patent/CN203631574U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103684249A (en) * | 2013-12-17 | 2014-03-26 | 英利集团有限公司 | Connecting method of solder strip and bus bar and solar cell module |
| CN112599642A (en) * | 2020-12-18 | 2021-04-02 | 泰州隆基乐叶光伏科技有限公司 | Welding method of battery piece and photovoltaic module |
| CN114951204A (en) * | 2022-05-13 | 2022-08-30 | 英利能源（中国）有限公司 | Physical method for recovering welding strip bus bar in photovoltaic module and recovery equipment |
| CN114951204B (en) * | 2022-05-13 | 2024-01-26 | 英利能源（中国）有限公司 | Recovery method and recovery equipment for recovering welding strip converging strip in photovoltaic module by physical method |
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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 |
Granted publication date: 20140604 |