CN210092107U - Solder strip assembly for photovoltaic assembly and photovoltaic assembly - Google Patents
Solder strip assembly for photovoltaic assembly and photovoltaic assembly Download PDFInfo
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- CN210092107U CN210092107U CN201921221394.8U CN201921221394U CN210092107U CN 210092107 U CN210092107 U CN 210092107U CN 201921221394 U CN201921221394 U CN 201921221394U CN 210092107 U CN210092107 U CN 210092107U
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- connecting portion
- wires
- battery piece
- photovoltaic module
- solder
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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
The utility model discloses a solder strip subassembly and photovoltaic module for photovoltaic module, photovoltaic module include a plurality of battery pieces, every adjacent two all through a set of between the battery piece solder strip subassembly is connected under the photovoltaic module user state, the battery piece has the front that sets up and the back that sets up down, solder strip subassembly includes first connecting portion, perhaps solder strip subassembly includes the second connecting portion, perhaps solder strip subassembly includes first connecting portion with the second connecting portion, first connecting portion with the front of battery piece is connected, the second connecting portion with the back connection of battery piece, first connecting portion with the second connecting portion are different. This solder strip subassembly can be according to the performance requirement to the front and the back of battery piece, with the first connecting portion of battery piece front connection and with the second connecting portion of battery piece back connection set different forms to promote photovoltaic module's performance and reduce the material extravagant.
Description
Technical Field
The utility model relates to a technical field is made to the battery, concretely relates to weld and take subassembly and photovoltaic module for photovoltaic module.
Background
Photovoltaic module generally is established ties by a plurality of battery pieces order and forms, among the prior art, each battery piece that constitutes photovoltaic module is when carrying out series connection, each battery piece all is that openly sets up, then connect two adjacent battery piece series connection together through welding the area subassembly, when welding the area and connecting two adjacent battery pieces, one end welding in the front of a battery piece of solder strip, another tip welding in another battery piece's of this solder strip back, when welding the both ends of solder strip and battery piece welded connection, require to weld the area both ends at the shape, the position, will follow strict corresponding relation in quantity, this can lead to certain degree performance loss and material waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem among the prior art, provide a modified is used for photovoltaic module's solder strip subassembly.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a weld and take subassembly for photovoltaic module, photovoltaic module includes a plurality of battery pieces, every adjacent two all through a set of between the battery piece weld and take the subassembly to connect photovoltaic module in service condition, the battery piece has the front that sets up and the back that sets up down, it includes first connecting portion to weld and take the subassembly, perhaps it includes the second connecting portion to weld the area subassembly, perhaps it includes to weld the area subassembly first connecting portion with the second connecting portion, first connecting portion with the front of battery piece is connected, the second connecting portion with the back connection of battery piece, first connecting portion with the second connecting portion are different.
Preferably, in the service state of the photovoltaic module, each of the battery pieces is arranged with the positive electrode facing upward and the negative electrode facing downward, and each group of the solder strip modules includes the first connecting portion and the second connecting portion.
Further, the first connection portion and the second connection portion are directly connected.
Furthermore, the first connecting portion comprises a plurality of first wires, the second connecting portion comprises a plurality of second wires, the number of the first wires is the same as that of the second wires, and the connecting positions of the first wires and the second wires on the different battery pieces are corresponding to each other.
Further, the first connecting portion and the second connecting portion are connected through a transfer portion.
Furthermore, the first connecting portion comprises a plurality of first wires, the second connecting portion comprises a plurality of second wires, the number of the first wires is the same as or different from that of the second wires, and/or the connecting positions of the first wires and the second wires on different battery pieces are corresponding or different.
Furthermore, the first connecting portion includes a plurality of first wires, and the second connecting portion is a metal conductive film covering the back surface of the battery piece.
In a specific embodiment, the metal conductive film covers the whole back surface of the battery piece.
Preferably, in the use state of the photovoltaic module, part of the positive electrodes of the battery pieces are arranged upward, the rest of the negative electrodes of the battery pieces are arranged upward, each group of the solder strip assemblies are located on the same side of the plane where the photovoltaic module is located, each group of the solder strip assemblies comprises two first connecting portions, or each group of the solder strip assemblies comprises two second connecting portions. Further, the first connecting portion comprises a plurality of first conducting wires, the second connecting portion comprises a plurality of second conducting wires, the number of the first conducting wires is the same as or different from that of the second conducting wires, and/or the connecting positions of the first conducting wires and the second conducting wires on different battery pieces are corresponding or different.
Preferably, the first connecting portion includes a plurality of first wires, the second connecting portion includes a plurality of second wires, the cross section of the first wire is circular, triangular, elliptical or zigzag, and the cross section of the second wire is rectangular.
The utility model also provides a photovoltaic module, photovoltaic module includes as above-mentioned arbitrary the solder strip subassembly.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a weld and take the subassembly and can set different forms to the first connecting portion of being connected with the battery piece openly and the second connecting portion of being connected with the battery piece back according to the performance requirement to the front and the back of battery piece to it is extravagant to promote photovoltaic module's performance and reduce the material.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic module according to the present invention (example 1);
fig. 2 is a schematic structural diagram of a photovoltaic module according to the present invention (example 2);
fig. 3 is a schematic structural diagram of the photovoltaic module of the present invention (example 3).
Detailed Description
The technical solution of the present invention is further explained below.
As shown in FIGS. 1-3, the utility model discloses a photovoltaic module includes a plurality of battery pieces 1, all connects through a set of solder strip subassembly between every two adjacent battery pieces 1, and under photovoltaic module user state, battery piece 1 has the front that sets up and the back that sets up down.
Every group welds and takes the subassembly all includes first connecting portion 21, or every group welds and takes the subassembly all to include second connecting portion 22, or every group welds and takes the subassembly to include first connecting portion 21 and second connecting portion 22 simultaneously, and first connecting portion 21 is connected with the front of battery piece 1, and second connecting portion 22 is connected with the back of battery piece 1. The first connection part 21 and the second connection part 22 may take different forms according to performance requirements for the front and rear surfaces of the battery cell 1.
The difference in the form may be a structural form, for example, the requirement for the front surface of the battery piece to have a better light reflecting performance requires that the first connecting portion 21 connected to the front surface of the battery piece 1 shields the battery piece 1 less, so that the first connecting portion 21 may be relatively thin, and the height of the first connecting portion 21 is relatively high to ensure the welding strength and the electrical conductivity. The requirement for the light reflecting performance of the back surface of the battery plate 1 is relatively low, and therefore, the second connection portion 22 connected to the back surface of the battery plate 1 can be relatively wide, and the height of the second connection portion 22 is relatively low in order to reduce the influence of stress concentration on the welding strength. First connecting portion 21 includes many first wires, and second connecting portion 22 includes many second wires, and the cross section of first wire can adopt forms such as circular, triangle-shaped, oval, zigzag or width according to the heterotypic of welding point position change to guarantee first connecting portion 21 and battery piece 1's effective contact, guarantee electric conductive property, reduce sheltering from of first connecting portion 21 to battery piece 1's front simultaneously, with the reflective performance who promotes battery piece 1. The cross section of the second lead can be a wider rectangle so as to ensure better conductivity and contact performance.
The different forms may also be that the number of the first lead and the second lead is different, or the connection positions of the first lead and the second lead on different battery slices 1 are different, or the different arrangements are included at the same time, for example, the structures, the numbers, and the positions of the first lead and the second lead on different battery slices 1 are different, and the like.
Example 1
As shown in fig. 1, in the present embodiment, in the usage state of the photovoltaic module, each cell 1 has an upward positive electrode and a downward negative electrode, each group of solder strip assemblies simultaneously includes a first connection portion 21 and a second connection portion 22, the first connection portion 21 is used for connecting the front surface of one cell 1 of two adjacent cells 1, and the second connection portion 22 is used for connecting the back surface of the other cell 1 of the two adjacent cells 1.
In the embodiment, the first connection portions 21 and the second connection portions 22 are directly connected, which requires that the number of the first wires and the number of the second wires are the same, and the connection positions of the first wires and the second wires on different battery slices 1 correspond to each other, but the first wires and the second wires can adopt different structural forms according to the performance requirements of the front surface and the back surface of the battery slice 1.
Example 2
As shown in fig. 2, in the present embodiment, in the usage state of the photovoltaic module, each cell 1 has its anode facing upward and its cathode facing downward, and each group of solder strip assemblies also includes a first connection portion 21 and a second connection portion 22, where the first connection portion 21 is used to connect the front surface of one cell 1 of two adjacent cells 1, and the second connection portion 22 is used to connect the back surface of the other cell 1 of two adjacent cells 1.
In this embodiment, the first connection portion 21 and the second connection portion 22 are connected by the adapter portion 23, so that the number of the first wires and the number of the second wires may be the same or different, and the positions of the first wires and the second wires on different battery slices 1 may or may not correspond to each other, that is, they are completely different. If the front surface of the battery piece is provided with five main grids, the back surface of the battery piece is provided with seven main grids, five corresponding first leads are arranged, seven corresponding second leads are arranged, and the whole welding strip assembly is in a five-to-seven structural form. In addition, the first lead and the second lead can also adopt different structural forms according to the performance requirements of the front surface and the back surface of the battery piece.
In this embodiment, the plurality of second conductive lines of the second connection portion 22 may be replaced by a metal conductive film. The metal conductive film covers the back surface of the battery piece 1, and preferably, the metal conductive film covers the entire back surface of the battery piece 1. At this time, if the front surface of the battery piece is provided with five main grids and five corresponding first leads are arranged, the whole welding strip assembly is in a structural form of converting the five main grids into the metal conductive film.
Example 3
As shown in fig. 3, in this embodiment, in a use state of the photovoltaic module, the positive electrodes of some of the battery pieces 1 are disposed upward, the negative electrodes of the remaining battery pieces 1 are disposed upward, and each group of the solder strip assemblies is located on the same side of the plane where the photovoltaic module is located, that is, each solder strip assembly is in a "one" shape structure.
Every group weld and take the subassembly all including two first connecting portion 21, but two first connecting portion 21 an organic whole set up or the lug connection, also can be through switching portion indirect connection, preferably two first connecting portion 21 an organic whole sets up, should weld and take the subassembly promptly and adopt overall structure, and holistic structural style is all the same, and/or every group welds and takes the subassembly all including two second connecting portion 22, and is the same, but two second connecting portion 22 an organic whole set up or the lug connection, also can be through switching portion indirect connection, preferably two second connecting portion 22 an organic whole sets up, should weld and take the subassembly promptly and adopt overall structure, and holistic structural style is all the same. The two first connecting portions 21 are respectively connected with the front surfaces of the two adjacent battery pieces 1, and the two second connecting portions 22 are respectively connected with the back surfaces of the two adjacent battery pieces 1. Similarly, the first connection portion 21 and the second connection portion 22 may be configured in different structural forms according to performance requirements on the front and the back of the battery piece, and the number of the first wires and the number of the second wires may be the same or different, and their respective positions on different battery pieces 1 may or may not correspond, that is, they are completely different. If the front surface of the cell is five main grids and the back surface of the cell is seven main grids, correspondingly, five first lead wires are laid on the front surface of the cell 1, and seven second lead wires are laid on the back surface of the cell 1 when the photovoltaic module is prepared.
To sum up, the utility model discloses can be according to the performance requirement to the positive and negative of battery piece, consider respectively the demand of the positive and negative main bars of battery piece, first connecting portion and second connecting portion, the prefabricated area subassembly that welds promotes the photovoltaic module performance, can realize the volume production on the extravagant basis of reduction material.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (12)
1. The utility model provides a solder strip subassembly for photovoltaic module, photovoltaic module includes a plurality of battery pieces, every adjacent two all through a set of between the battery piece solder strip subassembly is connected photovoltaic module is under the user state, the battery piece has the front that sets up and the back that sets up down, its characterized in that: the welding strip assembly comprises a first connecting portion, or the welding strip assembly comprises a second connecting portion, or the welding strip assembly comprises the first connecting portion and the second connecting portion, the first connecting portion is connected with the front face of the battery piece, the second connecting portion is connected with the back face of the battery piece, and the first connecting portion is different from the second connecting portion.
2. The solder ribbon assembly for photovoltaic modules of claim 1, wherein: under the photovoltaic module user state, each the equal positive pole of battery piece is up, negative pole is down set up, every group the solder strip subassembly all includes first connecting portion with the second connecting portion.
3. The solder ribbon assembly for photovoltaic modules of claim 2, wherein: the first connection portion and the second connection portion are directly connected.
4. The solder ribbon assembly for photovoltaic modules of claim 3, wherein: the first connecting portion comprises a plurality of first wires, the second connecting portion comprises a plurality of second wires, the number of the first wires is the same as that of the second wires, and the connecting positions of the first wires and the second wires on the battery pieces are different and correspond to each other.
5. The solder ribbon assembly for photovoltaic modules of claim 2, wherein: the first connecting portion and the second connecting portion are connected through a switching portion.
6. The solder ribbon assembly for photovoltaic modules of claim 5, wherein: the first connecting portion comprises a plurality of first conducting wires, the second connecting portion comprises a plurality of second conducting wires, the number of the first conducting wires is the same as or different from that of the second conducting wires, and/or the connecting positions of the first conducting wires and the second conducting wires on different battery pieces are corresponding or different.
7. The solder ribbon assembly for photovoltaic modules of claim 5, wherein: the first connecting portion comprises a plurality of first wires, and the second connecting portion is a metal conductive film covering the back of the battery piece.
8. The solder ribbon assembly for photovoltaic modules of claim 7, wherein: the metal conductive film covers the whole back of the battery piece.
9. The solder ribbon assembly for photovoltaic modules of claim 1, wherein: under the photovoltaic module user state, partly the positive pole of battery piece sets up, the surplus the negative pole of battery piece sets up, every group the solder strip subassembly all lies in photovoltaic module place planar same one side, every group the solder strip subassembly all includes two first connecting portion, perhaps every group the solder strip subassembly all includes two the second connecting portion.
10. The solder ribbon assembly for photovoltaic modules of claim 9, wherein: the first connecting portion comprises a plurality of first conducting wires, the second connecting portion comprises a plurality of second conducting wires, the number of the first conducting wires is the same as or different from that of the second conducting wires, and/or the connecting positions of the first conducting wires and the second conducting wires on different battery pieces are corresponding or different.
11. The solder ribbon assembly for photovoltaic modules of claim 1, wherein: the first connecting portion comprises a plurality of first wires, the second connecting portion comprises a plurality of second wires, the cross section of each first wire is circular, triangular, oval or zigzag, and the cross section of each second wire is rectangular.
12. A photovoltaic module comprising a solder ribbon assembly as claimed in any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221394.8U CN210092107U (en) | 2019-07-31 | 2019-07-31 | Solder strip assembly for photovoltaic assembly and photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221394.8U CN210092107U (en) | 2019-07-31 | 2019-07-31 | Solder strip assembly for photovoltaic assembly and photovoltaic assembly |
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| Publication Number | Publication Date |
|---|---|
| CN210092107U true CN210092107U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921221394.8U Active CN210092107U (en) | 2019-07-31 | 2019-07-31 | Solder strip assembly for photovoltaic assembly and photovoltaic assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379879A (en) * | 2019-07-31 | 2019-10-25 | 苏州联诺太阳能科技有限公司 | A kind of welding component and photovoltaic module for photovoltaic module |
-
2019
- 2019-07-31 CN CN201921221394.8U patent/CN210092107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379879A (en) * | 2019-07-31 | 2019-10-25 | 苏州联诺太阳能科技有限公司 | A kind of welding component and photovoltaic module for photovoltaic module |
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