CN214542251U - Photovoltaic cell assembly with differentiated arrangement - Google Patents
Photovoltaic cell assembly with differentiated arrangement Download PDFInfo
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- CN214542251U CN214542251U CN202121034323.4U CN202121034323U CN214542251U CN 214542251 U CN214542251 U CN 214542251U CN 202121034323 U CN202121034323 U CN 202121034323U CN 214542251 U CN214542251 U CN 214542251U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a photovoltaic cell module that differentiation was arranged belongs to photovoltaic cell technical field. The photovoltaic cell component is formed by combining a plurality of cell pieces, the plurality of cell pieces comprise at least two of a whole cell, a two-piece cell, a three-piece cell and a four-piece cell, or the plurality of cell pieces comprise one of the two-piece cell, the three-piece cell and the four-piece cell, but the included cell pieces are transversely cut and longitudinally cut in the cutting direction. The utility model discloses a photovoltaic cell subassembly that differentiation was arranged can satisfy the application and to arrange, irregular printing opacity, and the demand of the subassembly product of special shape in odd cluster, increase space utilization.
Description
Technical Field
The utility model relates to a photovoltaic cell technical field especially relates to a photovoltaic cell subassembly that differentiation was arranged.
Background
With the development of the photovoltaic industry, especially the rapid development of the photovoltaic market related to building integration, the conventional photovoltaic cell module product cannot meet the requirements of various application scenes on the photovoltaic module product in the market. Fig. 1 shows a general photovoltaic cell module product on the market, where 120 half cells (half cells are also cell two-piece 120 ') of the same specification are commonly used in the whole photovoltaic cell module 100', 20 half cells are connected in series (10 cells in each small string, two small strings are connected in series by a bus bar), and are connected in parallel with another 20 half string connection structures to form a symmetrical structural arrangement, and three such string-parallel cell structures are connected in series, and then the cell arrangement structure is encapsulated.
Although the conventional battery assembly product is simpler in process manufacturing and has advantages in wide space areas such as large ground power stations and application environments with low requirements on product appearance, the conventional battery assembly product is not suitable for BIPV products with limited space and special requirements on application scenes. Specifically, the design of the cell strings in the conventional cell module product must be even, and extra adjustment processing is required for the arrangement requirement of the odd strings; the light transmission is controlled by the space between the battery strings, and the light transmission adjustability of the conventional battery assembly product is small; the conventional battery pack product is square, and is difficult to match with a non-square use space, such as a triangular use space. That is to say, the battery module product in the prior art can not satisfy the requirements of odd-number series arrangement, irregular light transmission and special-shaped module products, and the space utilization rate is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can satisfy the application to the demand of arranging, irregular printing opacity, and the subassembly product of special shape in odd number cluster, increase the photovoltaic cell module that space utilization's differentiation was arranged.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a photovoltaic cell subassembly that differentiation was arranged, battery pack is formed by a plurality of battery pieces combination, and a plurality of battery piece includes at least two kinds in whole piece battery, battery two burst, battery three burst and battery four burst, or
The plurality of battery pieces comprise one of the battery two-piece, the battery three-piece and the battery four-piece, but the cutting directions of the contained battery pieces comprise transverse cutting and longitudinal cutting.
As an alternative of the above photovoltaic cell module with differentiated arrangement, the cell module is composed of the whole cell and the two cell segments, and the two cell segments are connected in parallel and then connected in series with the whole cell.
As an alternative to the above-mentioned differentially arranged photovoltaic cell assemblies, the cutting direction of the cell bipartite is a transverse cutting and/or a vertical cutting.
As an alternative of the above-mentioned photovoltaic cell modules arranged differently, the cell module is composed of the two cell segments, and the two cell segments include a transversely cut two cell segment and a vertically cut two cell segment.
As an alternative of the above photovoltaic cell module with differentiated arrangement, the cell module is composed of the cell two-piece and the cell four-piece, and the cell four-piece is connected in parallel and then connected in series with the cell two-piece.
As an alternative to the above-mentioned photovoltaic cell module with differentiated arrangement, the cell module is composed of the two cell segments and the three cell segments.
As an alternative of the above photovoltaic cell assembly with differentiated arrangement, the complete cell corresponding to the cell two-segment is a cell with a side length of 210mm, and the complete cell corresponding to the cell three-segment is a cell with a side length of 182 mm.
As an alternative of the above photovoltaic cell assembly with differentiated arrangement, the complete cell corresponding to the cell two-segment is a cell with a side length of 182mm, and the complete cell corresponding to the cell three-segment is a cell with a side length of 158.75 mm.
The utility model discloses an useful part lies in: the utility model discloses a photovoltaic cell subassembly that differentiation was arranged can satisfy the application and to arrange, irregular printing opacity, and the demand of the subassembly product of special shape in odd cluster, increase space utilization.
Drawings
FIG. 1 is a schematic diagram of a prior art photovoltaic cell assembly;
fig. 2 is a schematic structural diagram of a first embodiment of a photovoltaic cell module according to the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the photovoltaic cell module according to the present invention;
fig. 4 is a schematic structural diagram of a third embodiment of the photovoltaic cell module according to the present invention;
fig. 5 is a schematic structural diagram of a fourth embodiment of the photovoltaic cell module according to the present invention;
fig. 6 is a schematic structural diagram of a fifth embodiment of a photovoltaic cell module according to the present invention;
fig. 7 is a schematic structural diagram of a sixth embodiment of a photovoltaic cell module according to the present invention;
fig. 8 is a schematic structural diagram of a seventh embodiment of a photovoltaic cell module according to the present invention;
fig. 9 is a schematic structural diagram of an eighth embodiment of a photovoltaic cell module according to the present invention;
fig. 10 is a schematic structural diagram of a photovoltaic cell module according to an embodiment nine of the present invention;
fig. 11 is a schematic structural diagram of a photovoltaic cell module according to an embodiment of the present invention.
In the figure:
100. 100' -a photovoltaic cell assembly;
110. a whole cell;
120. 120' -dividing the battery into two parts;
130-battery three-piece division;
140-quartering of cells.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The meaning of the above terms in the present invention can be understood by those of ordinary skill in the art as the case may be.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The utility model provides a photovoltaic cell module of differentiation arrangement, battery pack are formed by a plurality of battery pieces combination, and fig. 2 is the utility model discloses the structural schematic of well photovoltaic cell module embodiment one, in the embodiment shown in fig. 2, battery pack comprises whole battery 110 and battery bipartite piece 120, and whole battery 110 and battery bipartite piece 120 are the multi-disc. The battery cell halves 120 in fig. 2 are formed by cutting the whole battery cell 110 in a transverse direction (perpendicular to the bus bars), but as shown in fig. 6, the battery cell halves 120 may also be formed by cutting the whole battery cell 110 in a vertical direction (parallel to the bus bars). In fig. 2 and 6, the two battery halves 120 are connected in parallel and then connected in series with the whole battery 110, the current of the whole battery 110 can be matched after the two battery halves 120 are connected in parallel, of course, the current of the whole battery 110 can be matched after the three battery halves 130 are connected in parallel, and so on. The photovoltaic cell assembly 100 structure unit formed by connecting the two cell sub-pieces 120 in parallel and then connecting the two cell sub-pieces 120 in series with the whole cell 110 enables the unit circuit to be changed from an even string in fig. 1 to an odd string in fig. 2, the arrangement structure is more hierarchical, the number of cells in the cell string corresponding to the whole cell 110 is less, the number of cells in the cell string corresponding to the two cell sub-pieces 120 is more, gaps among the cells are more, the adjustment range of the gaps and the gaps is more enlarged, and irregular light transmission is convenient to realize.
It can be understood that, in the present invention, the plurality of battery slices forming the photovoltaic battery assembly 100 can not only adopt the whole battery 110 and the battery two-piece 120, but also adopt the battery three-piece 130 and the battery four-piece, the battery three-piece 130 is formed by trisecting the whole battery 110, and the battery four-piece 140 is formed by quartering the whole battery 110. In the present invention, the plurality of battery pieces forming the photovoltaic battery assembly 100 include at least two of the whole battery 110, the battery two-piece 120, the battery three-piece 130 and the battery four-piece 140, and as shown in fig. 2, the combination of the whole battery 110 and the battery two-piece 120 is adopted, and in other embodiments, other combination modes can be adopted. Alternatively, the battery pieces with uniform specifications are used, that is, only one of the battery two-piece 120, the battery three-piece 130 and the battery four-piece 140 is used, but the cutting directions are different, and transverse cutting and longitudinal cutting are performed. As shown in fig. 7, a plurality of cell halves 120 are used to form the photovoltaic cell assembly 100, but some of the cell halves 120 are cut in the transverse direction and some are cut in the vertical direction. In the illustration of fig. 7, the left two rows of battery pieces are battery halves 120 with transverse cutting blades, and the right two rows of battery pieces are battery halves 120 with vertical cutting blades. Fig. 7 only illustrates the two-cell segment 120 as an example, which can be formed by using the cell segments with different cutting directions to form the photovoltaic cell assembly 100, and in other embodiments, the three-cell segment 130 or the four-cell segment 140 with different cutting directions can also be used, which is not limited herein.
The embodiment shown in fig. 3 and 4 is a superposition of the units in fig. 2, and through similar superposition and control of the number of the intervals between the battery pieces and the battery strings, the appearance structure of the assembly can be richer, and the power parameters of the assembly can be adjusted more flexibly.
In the embodiment shown in fig. 5, the two battery segments 120 are connected in parallel and then connected in series with the whole battery 110 to form an assembly structure with 5 strings of battery segments, two battery segments on the left side in fig. 5 are the two battery segments 120, and three battery segments on the right side are the whole battery 110.
Fig. 6 shows the assembly structure formed by the vertically cut battery halves 120 and the whole battery 110, in which the two battery strings on the left side in fig. 6 are the vertically cut battery halves 120, and the battery string on the right side is the whole battery 110.
Fig. 7 shows the combination of a transversely cut battery biplate 120 with a vertically cut battery biplate 120, the two left strings of battery biplates 120 being transversely cut and the two right strings of battery biplates 120 being vertically cut.
Because the utility model discloses well battery piece combination form is nimble, can adapt to the demand of the subassembly product of special shape, adapt to the building in different shapes and space, increase space utilization, the terminal box extraction position of adjustment subassembly product of still being convenient for simultaneously, it can the pluralism to fuse back terminal box extraction position with the building body, be favorable to the design of arranging, figure 8 shows for the schematic diagram of terminal box extraction position at subassembly middle part position, the rightmost side also can be drawn forth in figure 8, can adjust according to actual conditions, as shown in figure 2, extraction structure also can be in other positions of subassembly product.
Fig. 9 and 10 both show schematic diagrams of the combination of the battery quarter-piece 140 and the battery quarter-piece 120, and the battery assembly of the present invention may also be composed of the battery quarter-piece 120 and the battery quarter-piece 140. Along with the battery piece area is bigger and bigger, the subassembly electric current can increase, has negative influence to the security of battery, has the security performance that does benefit to the promotion battery to reconnection after cutting the battery piece once more. Meanwhile, the design selectivity can be improved by the multi-partition. When connecting, the battery four-segment 140 is connected in parallel and then connected in series with the battery two-segment 120. The module current shown in fig. 9 is half of the current of the entire battery 110, and the module current shown in fig. 10 is equivalent to the current of the entire battery 110.
The utility model discloses in, can also make up the burst combination of the whole piece battery 110 of different specifications, for example, constitute battery pack by the battery bipartition piece 120 of a specification battery and the battery tripartition piece 130 of another kind of specification battery. Figure 11 shows the structure of an assembly using 182mm side cell pieces in combination with 210mm side cell pieces. The area of the 182mm side length cell piece is about 75 percent of the area of the 210mm side length cell piece through the measurement and calculation of the cell area. On the basis, batteries with different specifications and close battery efficiency can be matched in one assembly through slicing. Taking 182mm side length cell pieces and 210mm side length cell pieces as examples, the parameters of the three split pieces of the 182mm side length cell pieces are equivalent to the parameters of the four split pieces of the 210mm side length cell pieces, and the three split pieces of the two 182mm side length cell pieces are connected in parallel, so that the two split pieces correspond to the half cells (two split pieces) of the 210mm side length cell pieces. For irregular assembly requirements, such as triangular shapes, such designs can also be used, such as slicing a square assembly cell diagonally corresponding to the same cell area as the half-cell assembly, and further bisecting the half-cell edge to a cell area of 1/4.
Fig. 11 illustrates a 182mm side cell and a 210mm side cell as an example of combination, in other embodiments, for example, the 182mm side cell and the 158.75mm side cell may be combined, the area of the 158.75mm side cell is also close to 75% of the area of the 182mm side cell, each parameter of the three divisions of the 158.75mm side cell is equivalent to each parameter of the four divisions of the 182mm side cell, and the three divisions of the two 158.75mm side cells are connected in parallel, which corresponds to the half cell (two divisions) of the 182mm side cell.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The photovoltaic cell assembly with the differentiated arrangement is characterized in that the cell assembly is formed by combining a plurality of cells, and the plurality of cells comprise at least two of whole cells (110), cell two-piece cells (120), cell three-piece cells (130) and cell four-piece cells (140), or
The plurality of battery pieces comprise one of the battery two-piece (120), the battery three-piece (130) and the battery four-piece (140), but the cutting directions of the included battery pieces are transverse cutting and longitudinal cutting.
2. The differentiated arrangement photovoltaic cell assembly according to claim 1, wherein the cell assembly is composed of the whole cell (110) and the cell bipartite (120), and the cell bipartite (120) is connected in parallel and then connected in series with the whole cell (110).
3. The differentiated arrangement photovoltaic cell assembly according to claim 2, characterized in that the cutting direction of the cell bipartite (120) is a transverse cut and/or a vertical cut.
4. The differentiated arrangement photovoltaic cell assembly according to claim 1, wherein the cell assembly is composed of the cell bipartite (120), and the cell bipartite (120) comprises a cell bipartite (120) cut in the transverse direction and a cell bipartite (120) cut in the vertical direction.
5. The differentiated arrangement photovoltaic cell assembly according to claim 1, wherein the cell assembly consists of the cell two-segment (120) and the cell four-segment (140), and the cell four-segment (140) is connected in parallel and then connected in series with the cell two-segment (120).
6. The assembly of claim 1, wherein the assembly of cells is comprised of the cell binary segment (120) and the cell ternary segment (130).
7. The differentially-arranged photovoltaic cell assembly according to claim 6, wherein the full cell corresponding to the cell two-segment (120) is a cell with a side length of 210mm, and the full cell corresponding to the cell three-segment (130) is a cell with a side length of 182 mm.
8. The differentially-arranged photovoltaic cell assembly according to claim 6, wherein the full cell corresponding to the cell two-segment (120) is a cell with a side length of 182mm, and the full cell corresponding to the cell three-segment (130) is a cell with a side length of 158.75 mm.
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| CN202121034323.4U CN214542251U (en) | 2021-05-14 | 2021-05-14 | Photovoltaic cell assembly with differentiated arrangement |
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| CN202121034323.4U CN214542251U (en) | 2021-05-14 | 2021-05-14 | Photovoltaic cell assembly with differentiated arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242844A (en) * | 2022-01-04 | 2022-03-25 | 南京日托光伏新能源有限公司 | Method for simultaneously producing multiple versions and multiple quantities of photovoltaic modules |
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2021
- 2021-05-14 CN CN202121034323.4U patent/CN214542251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242844A (en) * | 2022-01-04 | 2022-03-25 | 南京日托光伏新能源有限公司 | Method for simultaneously producing multiple versions and multiple quantities of photovoltaic modules |
| CN114242844B (en) * | 2022-01-04 | 2023-12-22 | 江苏日托光伏科技股份有限公司 | Method for simultaneously producing multiple photovoltaic modules in multiple formats |
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