CN213905366U - Full series-parallel stitch welding type solar cell module - Google Patents
Full series-parallel stitch welding type solar cell module Download PDFInfo
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- CN213905366U CN213905366U CN202021695307.5U CN202021695307U CN213905366U CN 213905366 U CN213905366 U CN 213905366U CN 202021695307 U CN202021695307 U CN 202021695307U CN 213905366 U CN213905366 U CN 213905366U
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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 relates to a full series-parallel stitch welding formula solar module, including a plurality of battery pieces, every the main bars of battery piece are the slope setting, be equipped with on the main bars and weld the area, pass through between the different adjacent battery pieces in potential position weld and take series connection each other, connect in parallel each other between the battery piece that potential position is the same. The utility model discloses be favorable to reducing the latent and the hot spot risk of splitting of battery piece, promoted battery pack's life.
Description
Technical Field
The utility model belongs to the technical field of solar module's technique and specifically relates to indicate a full series-parallel stitch welding formula solar module.
Background
A solar cell module is a device that directly converts light energy into electric energy. The stitch welding assembly is connected by adopting a welding strip, a height difference is generated between two adjacent battery pieces, and at the overlapping position of the batteries, because the contact area between the batteries and the welding strip is small, the edges of the battery pieces are easy to crack due to extrusion; meanwhile, in the working process of the solar cell module, foreign matters such as bird droppings often form shadow shielding on the surface of the module, the inner consumption of the solar cell module can be caused in the shadow, and hot spot risks are generated, so that the hot spots accelerate the aging of the cell module, and the service life of the cell module is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that overcome among the prior art and produce hidden splitting easily in the battery overlap joint, and reduce battery pack life's problem to provide one kind and avoid producing hidden splitting in battery overlap joint, and improve battery pack life's full series-parallel stitch welding formula solar module.
For solving the technical problem, the utility model discloses a full series-parallel stitch welding formula solar module, including a plurality of battery pieces, every the main bars of battery piece are the slope setting, be equipped with on the main bars and weld the area, pass through between the different adjacent battery pieces of potential position weld and take mutual series connection, connect in parallel each other between the battery piece that potential position is the same.
In an embodiment of the present invention, when the adjacent battery pieces with different potential positions are connected in series, the front electrode of the first battery piece and the back electrode of the second battery piece are connected by the solder strip.
In an embodiment of the present invention, the adjacent battery cells with different potential positions overlap each other.
In an embodiment of the present invention, the overlapping range of the adjacent battery plates with different potential positions is 0mm to 6 mm.
In an embodiment of the present invention, the inclination angle of the main grid of each of the battery pieces is 20 ° to 80 °.
In an embodiment of the present invention, the inclination angle of the main grid of each of the battery pieces is 45 °.
In an embodiment of the present invention, the adjacent battery pieces with different potential positions are different potential positions of a plurality of battery pieces arranged along the abscissa; the battery pieces with the same potential position mean that the potential positions of a plurality of battery pieces distributed along the ordinate are the same.
In an embodiment of the present invention, the battery slice is divided into a plurality of battery slices.
In an embodiment of the present invention, the battery piece is cut into a plurality of battery slices by laser.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the full series-parallel stitch welding type solar cell module comprises a plurality of cell pieces, wherein the main grid of each cell piece is obliquely arranged, the contact area between a welding strip and the cell piece can be increased due to the design of the oblique main grid, and the hidden crack risk of the cell is reduced; be equipped with on the main bars and weld the area, pass through between the adjacent battery piece that the potential position is different weld the area and establish ties each other, connect in parallel each other between the battery piece that the potential position is the same, when one or more battery piece take place to shelter from or damage, the electric current then walks around by sheltering from the piece by other cluster flows, has avoided being sheltered from generating heat of battery, has promoted battery pack's life.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic diagram of a battery of the present invention;
fig. 2 is a schematic view of a full series-parallel stitch-welding type solar cell module according to the present invention;
fig. 3 is a schematic circuit diagram of a full series-parallel stitch-welding solar cell module according to the present invention;
fig. 4 is a partial schematic view of fig. 2.
The specification reference numbers indicate: 10-cell slice, 11-main grid, 12-cell slice, 121-first cell slice, 122-second cell slice, 123-third cell slice, 124-fourth cell slice.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the embodiment provides a full series-parallel stitch welding type solar cell module, which includes a plurality of cell pieces 10, wherein a main grid 11 of each cell piece 10 is obliquely arranged, a solder strip is arranged on the main grid 11, adjacent cell pieces 10 with different potential positions are connected in series through the solder strip, and the cell pieces 10 with the same potential position are connected in parallel.
The full-series-parallel stitch welding type solar cell module comprises a plurality of cell pieces 10, wherein a main grid 11 of each cell piece 10 is obliquely arranged, and the design of the oblique main grid 11 can increase the contact area between a welding strip and the cell pieces 10 and reduce the hidden crack and hot spot risks of the cell; be equipped with on the main bars 11 and weld the area, pass through between the adjacent battery piece 10 that the potential position is different weld the area and establish ties each other, connect in parallel each other between the battery piece 10 that the potential position is the same, when one or more battery takes place to shelter from or damage, the electric current then walks around by the piece of sheltering from by other cluster flows, has avoided the generating heat of the battery of sheltering from, has promoted battery pack's life.
When the adjacent battery pieces 10 with different potential positions are connected in series, the front electrode of the first battery piece is connected with the back electrode of the second battery piece through the welding strip, so that the connection between the adjacent battery pieces 10 is ensured.
The adjacent battery pieces 10 different in potential position overlap each other. Specifically, the overlapping range of the adjacent battery pieces with different potential positions is 0-6 mm.
The inclination angle of the main grid of each battery piece 10 is 20-80 degrees, so that the contact area of the welding strip and the battery piece 10 is increased, and the hidden crack and hot spot risks of the battery are reduced. Specifically, when the inclination angle of the main grid of each cell is 45 degrees, the effect is optimal.
In this embodiment, the adjacent battery pieces with different potential positions mean that the potential positions of a plurality of battery pieces arranged along the abscissa are different; the battery pieces with the same potential position mean that the potential positions of a plurality of battery pieces distributed along the ordinate are the same.
In addition, the parallel connection of the battery pieces with the same potential position is realized by directly connecting two adjacent battery pieces with the same potential with the previous battery piece through the welding strip, and the parallel connection of the surfaces of the previous battery pieces is realized.
The battery piece 10 divide into a plurality of battery slices 12, passes through between the adjacent battery slice 12 that the potential position is different the welding strip is established ties each other, and parallelly connected each other between the battery slice 12 that the potential position is the same, when one or more battery slices 12 take place to shelter from or damage, the electric current is then walked around by sheltering from the piece and is flowed by other strings, has avoided being sheltered from generating heat of battery piece, has promoted battery pack's life.
When the adjacent battery slices 12 with different potential positions are connected in series, the front electrode of the first battery slice 121 is connected with the back electrode of the second battery slice 122 through the solder strip as shown in fig. 4; the front electrode of the third battery section 123 is connected with the back electrode of the fourth battery section 124 through the solder strip; in addition, the front electrode of the first battery slice 121 and the back electrode of the fourth battery slice 124 are connected through the solder strip; the first battery slice 121 and the third battery slice 123 have the same potential, the second battery slice 122 and the fourth battery slice 124 have the same potential, the first battery slice 121 and the third battery slice 123 are connected in parallel, and the second battery slice 122 and the fourth battery slice 124 are connected in parallel.
The adjacent battery slices 12 different in potential position overlap each other. Specifically, the first battery slice 121 and the second battery slice 122 may overlap each other; the first battery slice 121 and the second battery slice 122 overlap each other in a range of 0mm to 6 mm.
If the abscissa in fig. 2 is represented as n and the ordinate is represented as m, the adjacent battery slices 12 with different potential positions are connected in series with each other through the solder strip, for example, the front electrode of the first battery slice 121 in fig. 4 is connected with the back electrode of the fourth battery slice 124, the first battery slice 121 and the fourth battery slice 124 can be connected in series, and the front electrode of the n-m battery slice is connected with the back electrode of the adjacent n +1-m battery slice, so that the battery slices in the same row are connected in series with each other; the battery slices 12 with the same potential position are connected in parallel, that is, the battery slices in the same column are connected in parallel.
In this embodiment, in order to cut the battery piece 10, the battery piece 10 is cut into a plurality of battery slices 12 by laser.
Similarly, the adjacent battery slices with different potential positions mean that the potential positions of a plurality of battery slices distributed along the abscissa are different; the battery slices with the same potential position mean that the potential positions of a plurality of battery slices arranged along the ordinate are the same.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a full series-parallel stitch welding formula solar module which characterized in that: the solar cell comprises a plurality of cells, wherein the main grids of the cells are obliquely arranged, welding strips are arranged on the main grids, adjacent cells with different potential positions are connected in series through the welding strips, and the cells with the same potential positions are connected in parallel.
2. The full series-parallel stitch bonded solar cell module as claimed in claim 1, wherein: when the adjacent battery pieces with different potential positions are connected in series, the front electrode of the first battery piece is connected with the back electrode of the second battery piece through the welding strip.
3. The full series-parallel stitch bonded solar cell module as claimed in claim 1, wherein: the adjacent battery pieces with different potential positions are overlapped with each other.
4. The full series-parallel stitch bonded solar cell module according to claim 3, wherein: the overlapping range of the adjacent battery pieces with different potential positions is 0-6 mm.
5. The full series-parallel stitch bonded solar cell module as claimed in claim 1, wherein: the inclination angle of the main grid of each cell is 20-80 degrees.
6. The full series-parallel stitch bonded solar cell module as claimed in claim 1, wherein: the inclination angle of the main grid of each cell is 45 degrees.
7. The full series-parallel stitch bonded solar cell module as claimed in claim 1, wherein: the adjacent battery pieces with different potential positions mean that the potential positions of a plurality of battery pieces distributed along the abscissa are different; the battery pieces with the same potential position mean that the potential positions of a plurality of battery pieces distributed along the ordinate are the same.
8. The full series-parallel stitch bonded solar cell module as claimed in claim 1, wherein: the parallel connection of the battery pieces with the same potential position is realized by directly connecting two adjacent battery pieces with the same potential with the previous battery piece through the welding strip, and the parallel connection of the surfaces of the previous battery pieces is realized.
9. The full series-parallel stitch bonded solar cell module according to any one of claims 1 to 8, wherein: the battery slice is divided into a plurality of battery slices.
10. The full series-parallel stitch bonded solar cell module as claimed in claim 9, wherein: the battery piece is cut into a plurality of battery slices through laser cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695307.5U CN213905366U (en) | 2020-08-14 | 2020-08-14 | Full series-parallel stitch welding type solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695307.5U CN213905366U (en) | 2020-08-14 | 2020-08-14 | Full series-parallel stitch welding type solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213905366U true CN213905366U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021695307.5U Active CN213905366U (en) | 2020-08-14 | 2020-08-14 | Full series-parallel stitch welding type solar cell module |
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| CN (1) | CN213905366U (en) |
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- 2020-08-14 CN CN202021695307.5U patent/CN213905366U/en active Active
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