CN209822659U - Solar photovoltaic module - Google Patents
Solar photovoltaic module Download PDFInfo
- Publication number
- CN209822659U CN209822659U CN201920848740.9U CN201920848740U CN209822659U CN 209822659 U CN209822659 U CN 209822659U CN 201920848740 U CN201920848740 U CN 201920848740U CN 209822659 U CN209822659 U CN 209822659U
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- battery
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- longitudinal
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- 238000003466 welding Methods 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 239000004020 conductor Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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 provides a solar photovoltaic module, it is including a plurality of battery strings that set up side by side and connect the electrically conductive piece combination at two at least battery string tip, electrically conductive piece combination include along the battery string lengthwise direction extend and with a plurality of vertical electrically conductive pieces of being connected of battery string tip and the strip of drawing forth that extends along battery string array orientation, draw forth the strip and be integrated into one piece and connect a plurality of above-mentioned vertical electrically conductive pieces. Therefore, the welding frequency can be reduced, multiple times of manual welding are avoided, the operation mode is simplified, the possibility of quality problems is reduced, the qualified rate of finished products is improved, and the overall repair rate is reduced. Furthermore, the utility model discloses an improve simple structure and easily operate, the volume production of being convenient for is implemented, the follow-up automatic welded development of being convenient for.
Description
Technical Field
The utility model relates to a solar photovoltaic technology field especially relates to a solar photovoltaic module.
Background
The laminated assembly technology is an efficient assembly technology, is different from the traditional packaging technology, and can effectively improve the conversion efficiency of the assembly. The technology of the tile-stacked assembly can increase the effective power generation area and fully utilize the area of the assembly. More than 6% of the cells can be placed in the same area than in a conventional module. The stack technology optimizes the structure of the assembly, greatly reduces the internal loss of the assembly and greatly improves the output power of the assembly. The minimum power loss in the packaging process of the assembly is ensured, the influence of reverse current and hot spot effect generated by the assembly is effectively reduced, and the assembly has good reliability. The technology of shingle assembly is therefore a future trend. However, the yield and the price of the conventional laminated assembly in mass production are lower than those of the conventional crystalline silicon assembly. According to the production process of the conventional laminated tile assembly, the battery string negative electrode lead-out wires are a plurality of I-shaped combined bus bars, the battery piece laminating equipment is welded on the negative electrodes of the battery strings, after subsequent typesetting, the fixed-length lap welding bus bars are manually placed in a negative electrode bus bar connection mode between the battery strings, and lap welding is carried out at two ends.
Therefore, there is a need to provide an improved solar photovoltaic module to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can simplify solar PV modules of electrically conductive piece welding process.
In order to realize the above-mentioned utility model purpose, the utility model provides a solar photovoltaic module, including a plurality of battery strings that set up side by side and connect the electrically conductive piece combination at two at least battery string tip, electrically conductive piece combination include along the battery string lengthwise direction extend and with a plurality of vertical electrically conductive pieces of battery string end connection and the strip of drawing forth that extends along battery string array direction, draw forth a plurality of above-mentioned vertical electrically conductive pieces of strip integrated into one piece and connection.
As a further improvement of the utility model, the definition the quantity of the battery cluster that sets up side by side in the solar PV modules is N, draw forth the strip and connect N battery clusters.
As a further improvement, the battery string includes a plurality of battery pieces of overlap connection in proper order in the edge, and each battery string definition has the marginal battery piece that is located the tip, vertical conductive piece is connected promptly on the marginal battery piece, a plurality of vertical conductive pieces on the same marginal battery piece are unanimous along the interval of battery string array direction.
As a further improvement of the present invention, six vertical conductive pieces are provided at intervals on the same edge battery piece, and the vertical conductive pieces extend outward in the vertical direction of the battery string, and the leading-out strip will the one end of the vertical conductive piece extending out of the battery string is connected together in the horizontal direction.
As a further improvement of the present invention, the welding electrode is provided on the edge cell piece, the conductive piece combination still has a transverse conductive piece extending along the lateral direction of the cell string, the transverse conductive piece set up in on the edge cell piece and with the welding electrode electric connection, the longitudinal conductive piece with the transverse conductive piece is connected.
As a further improvement of the present invention, the extension length of the transverse conductive member is not greater than the transverse width of the edge cell piece.
As a further improvement, the number of longitudinal conductors on the same edge cell piece is greater than the number of transverse conductors, and the distance between the longitudinal conductors on two outsides on the same edge cell piece is less than the extension length of the transverse conductors.
As a further improvement of the present invention, the transverse conductive members connect all the upper longitudinal conductive members of the same edge cell, and extend to both sides beyond the longitudinal conductive members on both outer sides.
As a further improvement of the present invention, the transverse conductive member and the longitudinal conductive member are integrally disposed.
As a further improvement of the present invention, the welding electrode is a main grid provided on the edge cell piece, and the welding of the transverse conductive member is provided on the main grid.
The utility model has the advantages that: the utility model discloses solar photovoltaic module will connect through integrated into one piece draw forth the strip and connect simultaneously in a plurality of vertical electrically conductive pieces of battery cluster tip and draw forth, realize that the electrical property of battery cluster switches on, reduce the welding number of times, avoid many times manual welding, the operation mode is retrencied, reduces the possibility that quality problems appears, improves the finished product qualification rate to whole repair rate has been reduced. Furthermore, the utility model discloses an improve simple structure and easily operate, the volume production of being convenient for is implemented, the follow-up automatic welded development of being convenient for.
Drawings
Fig. 1 is a schematic layout diagram of the solar photovoltaic module according to the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.
Referring to fig. 1 to 2, the solar photovoltaic module 100 of the present invention includes a plurality of battery strings 1 disposed side by side and a conductive member assembly 2 connected to the ends of at least two battery strings 1.
The utility model discloses in, solar PV modules 100 is shingled formula solar PV modules, contains one row or multirow solar cell cluster group in the shingled formula solar PV modules, and every solar cell cluster group comprises a plurality of battery strings that set up side by side, and every battery string comprises two or a plurality of battery pieces of inline. The adjacent edges of two adjacent battery pieces in the same battery string are mutually overlapped, the overlapped area adopts a conductive material, such as conductive adhesive, and conductive connection is formed between the two adjacent battery pieces.
The utility model discloses in electrically conductive piece combination 2 includes along 1 lengthwise direction of battery cluster extend and with 1 end connection's of battery cluster a plurality of vertical electrically conductive piece 21 and along 1 row orientation extension of battery cluster draw forth strip 22, draw forth strip 22 and be integrated into one piece and connect above-mentioned a plurality of vertical electrically conductive piece 21.
The utility model discloses a strip 22 of drawing forth of integrated into one piece's rectangular shape will be connected simultaneously and draw forth at a plurality of vertical electrically conductive 21 of 1 tip of battery cluster, realizes that the electrical property of battery cluster 1 switches on, reduces the welding number of times, avoids many times manual welding, and the operation mode is retrencied, reduces the possibility that quality problems appears, improves the finished product qualification rate to whole repair rate has been reduced. Furthermore, the utility model discloses an improve simple structure and easily operate, the volume production of being convenient for is implemented, the follow-up automatic welded development of being convenient for.
As a preferred embodiment of the present invention, the number of the battery strings 1 arranged side by side in the solar photovoltaic module 100 in this embodiment is defined as N, and the leading-out strip 22 is connected to the N battery strings 1 at the same time.
Specifically, each of the battery strings 1 has a plurality of battery cells 11 overlapped and connected in turn at the edges. Each cell string 1 defines an edge cell 12 at the end. The longitudinal conductive member 21 is connected to the edge cell piece 12. And the intervals of the plurality of longitudinal conductive pieces 21 on the same edge cell piece 12 along the arrangement direction of the cell string 1 are consistent. In addition, the layout of the longitudinal conductive members 21 on a plurality of the edge cells 12 is the same. Therefore, the lead-out strips 22 and the longitudinal conductive pieces 21 are regularly arranged, so that simultaneous welding connection is facilitated, and quality hidden troubles caused by multiple times of manual lap welding are reduced.
In the actual welding process, the whole lead-out strip 22 and the plurality of longitudinal conductive elements 21 are subjected to integral lap welding after typesetting. Suck battery piece 11 and mention through the sucking disc decline for electrically conductive piece combination 2 breaks away from the EVA layer of lower part, places a welding backing plate on the EVA layer, avoids welding process to damage the EVA layer, or leaves welding waste, influences the encapsulation. And (3) descending the welding head to press the conductive piece assembly 2 and heating the conductive piece assembly to enable the leading-out strips 22 to be welded with the longitudinal conductive pieces 21, ascending the welding head after welding, drawing out the welding backing plate, descending the sucking disc above the EVA layer, breaking vacuum to separate the battery piece 11 from the sucking disc, then ascending the sucking disc, and returning the battery piece 11 to the EVA layer.
Furthermore, in this embodiment, six longitudinal conductive members 21 are arranged on the battery piece 12 at the same edge at intervals, the longitudinal conductive members 21 extend out of the battery string 1 along the longitudinal direction of the battery string 1, and the end of the longitudinal conductive member 21 extending out of the battery string 1 is connected together along the transverse direction by the leading-out strip 22, so that after the longitudinal conductive members 21 lead out the current, the current is collected and output by the leading-out strip 22.
The welding electrode is arranged on the edge cell 12, the conductive member assembly 2 further comprises a transverse conductive member 23 extending transversely along the cell string 1, the transverse conductive member 23 is arranged on the edge cell 12 and electrically connected with the welding electrode, and the longitudinal conductive member 21 is connected with the transverse conductive member 23. The transverse conductive members 23 extend no more than the transverse width of the edge cells 12 to avoid short circuits between laterally adjacent cells 12.
The utility model discloses in, the quantity of the vertical conductive piece 21 on same marginal battery piece 12 is greater than the quantity of transverse conduction piece 23, and the distance that lies in between the vertical conductive piece 21 in two outsides on same marginal battery piece 12 is less than the extension length of transverse conduction piece 23 for all vertical conductive pieces 21 can be connected simultaneously to transverse conduction piece 23, make things convenient for gathering of electric current to export.
The transverse conductive member 23 connects all the longitudinal conductive members 21 on the same edge cell 12 and extends to both sides beyond the longitudinal conductive members 21 on both outer sides. The transverse conductive member 23 and the longitudinal conductive member 21 are integrally arranged, so that the transverse conductive member 23 and the longitudinal conductive member 21 are integrally formed into a T-shaped structure, and can be integrally welded to the edge cell 12, thereby improving the installation efficiency of the conductive member assembly 2 and facilitating the development of automatic welding.
The welding electrode is a main grid arranged on the edge cell 12, and the transverse conductive piece 23 is welded on the main grid.
To sum up, the utility model provides a whole setting of conductive piece subassembly 2 makes solar module 100's welding action is more simple, conveniently carries out automatic design operation, reduces the welding quality hidden danger that manual welding produced easily, improves holistic welding quality and efficiency.
The above detailed description is only for the purpose of illustrating the practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a solar photovoltaic module, includes a plurality of battery strings that set up side by side and connects the electrically conductive piece combination at two at least battery string tip, its characterized in that: the conductive piece combination comprises a plurality of longitudinal conductive pieces extending along the longitudinal direction of the battery string and connected with the end part of the battery string and a lead-out strip extending along the arrangement direction of the battery string, and the lead-out strip is integrally formed and connected with the longitudinal conductive pieces.
2. The solar photovoltaic module of claim 1, wherein: and defining the number of the battery strings arranged in parallel in the solar photovoltaic module as N, wherein the leading-out strip is connected with the N battery strings.
3. The solar photovoltaic module of claim 1, wherein: the battery string comprises a plurality of battery pieces which are sequentially connected in an overlapping mode at the edge, each battery string is defined with an edge battery piece positioned at the end, the longitudinal conductive pieces are connected to the edge battery pieces, and the distance between the longitudinal conductive pieces on the same edge battery piece in the arrangement direction of the battery string is consistent.
4. The solar photovoltaic module of claim 3, wherein: six longitudinal conductive pieces are arranged on the battery piece at intervals on the same edge, the longitudinal conductive pieces extend out of the battery string along the longitudinal direction of the battery string, and the end, extending out of the battery string, of the longitudinal conductive pieces is connected together along the transverse direction by the leading-out strip.
5. The solar photovoltaic module of claim 3, wherein: the battery pack is characterized in that a welding electrode is arranged on the edge battery piece, the conductive piece assembly is also provided with a transverse conductive piece which extends transversely along the battery string, the transverse conductive piece is arranged on the edge battery piece and is electrically connected with the welding electrode, and the longitudinal conductive piece is connected with the transverse conductive piece.
6. The solar photovoltaic module of claim 5, wherein: the extension length of the transverse conductive piece is not more than the transverse width of the edge cell piece.
7. The solar photovoltaic module of claim 5, wherein: the number of the longitudinal conducting pieces on the same edge cell slice is larger than that of the transverse conducting pieces, and the distance between the longitudinal conducting pieces on the two outer sides of the same edge cell slice is smaller than the extension length of the transverse conducting pieces.
8. The solar photovoltaic module of claim 7, wherein: the transverse conductive parts are connected with all the longitudinal conductive parts on the battery pieces with the same edge, and extend to two sides to exceed the longitudinal conductive parts on two outer sides.
9. The solar photovoltaic module of claim 5, wherein: the transverse conductive member and the longitudinal conductive member are integrally arranged.
10. The solar photovoltaic module of claim 5, wherein: the welding electrode is a main grid arranged on the edge battery piece, and the transverse conductive piece is welded on the main grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920848740.9U CN209822659U (en) | 2019-06-06 | 2019-06-06 | Solar photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920848740.9U CN209822659U (en) | 2019-06-06 | 2019-06-06 | Solar photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822659U true CN209822659U (en) | 2019-12-20 |
Family
ID=68884147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920848740.9U Active CN209822659U (en) | 2019-06-06 | 2019-06-06 | Solar photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659024A (en) * | 2021-07-21 | 2021-11-16 | 晶澳（扬州）太阳能科技有限公司 | Electric connection structure, photovoltaic module and preparation method thereof |
-
2019
- 2019-06-06 CN CN201920848740.9U patent/CN209822659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659024A (en) * | 2021-07-21 | 2021-11-16 | 晶澳（扬州）太阳能科技有限公司 | Electric connection structure, photovoltaic module and preparation method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |