CN220895517U

CN220895517U - Photovoltaic shingle assembly

Info

Publication number: CN220895517U
Application number: CN202322100131.4U
Authority: CN
Inventors: 高岩
Original assignee: Zhihui Tianjin Engineering Design Institute Co ltd
Current assignee: Zhihui Tianjin Engineering Design Institute Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-05-03
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses a photovoltaic tile assembly, which comprises a plurality of overlapped battery pieces, wherein the battery pieces are electrically connected through welding strips, each battery piece comprises a battery piece main body and a lap joint end arranged at one end of the battery piece main body, the battery pieces are contacted with adjacent battery pieces through the lap joint ends, wherein the lap joint ends comprise a first edge and a second edge which are connected with the edges of the battery piece main body in the length direction.

Description

Photovoltaic shingle assembly

Technical Field

The utility model relates to the technical field of photovoltaic modules, in particular to a photovoltaic shingle module.

Background

The shingle assembly can be provided with more battery pieces in a limited area, so that the utilization rate of the space area and the power generation of the photovoltaic assembly are improved, and the shingle assembly has a wide application prospect. The existing overlapping tile assembly battery plates adopt a lap joint connection mode, specifically, one end of any battery plate in the overlapping tile assembly is lap joint above the edge of one adjacent battery plate, and the other end is lap joint below the edge of the other adjacent battery plate, so that a battery string is formed (as shown in fig. 1). Meanwhile, two adjacent laminated battery pieces are electrically connected through welding, and then a cover plate, a back plate and a plurality of battery strings which are laminated are packaged to obtain the photovoltaic module. In the packaging process, pressure can be applied along the thickness direction, stress concentration is generated at the lap joint of adjacent battery pieces under the action of the pressure, and the risk of hidden cracking of the laminated tile assembly at the lamination position is caused, so that the efficiency and the power of the photovoltaic assembly are reduced.

To this end, a photovoltaic shingle assembly is proposed.

Disclosure of utility model

The present utility model is directed to a photovoltaic shingle assembly, which solves the above-mentioned problems.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a photovoltaic stack tile subassembly, includes the battery piece that a plurality of looks overlap set up, forms the electricity through the welding area between the battery piece and is connected, the battery piece includes the battery piece main part and sets up the overlap joint end in battery piece main part one end, the battery piece passes through the overlap joint end and the battery piece main part overlap joint of adjacent battery piece, wherein:

The overlapping end comprises a first edge and a second edge, the battery piece main body comprises a fourth edge and a fifth edge which are oppositely arranged along the length direction of the battery piece, the fourth edge is connected with the first edge, the fifth edge is connected with the second edge, a first included angle alpha is formed between the first edge and the fourth edge, and a second included angle beta is formed between the second edge and the fifth edge, wherein the first included angle alpha is formed between the second edge and the fifth edge; at least one of the first included angle alpha and the second included angle beta is an obtuse angle.

According to the above technical scheme, one of the first included angle α and the second included angle β is 90 degrees, and the other included angle is greater than 90 degrees and less than or equal to 150 degrees.

According to the technical scheme, the first included angle alpha and the second included angle beta are respectively larger than 90 degrees and smaller than or equal to 150 degrees.

According to the technical scheme, the first included angle alpha and the second included angle beta are 120 degrees respectively.

According to the above technical solution, the first edge and the second edge are respectively one or more combinations of straight lines, curves or arcs.

According to the technical scheme, the novel solar panel further comprises a third edge, two ends of the third edge are respectively connected with the first edge and the second edge, and the third edge is one of a straight line, a curve or an arc line.

According to the technical scheme, the ratio of the area S1 of the lap joint end to the total area S of the battery piece is 1/120-1/S-1/20.

According to the technical scheme, the elastic piece is arranged between the lap joint end and the battery piece main body contacted with the lap joint end.

According to the above technical scheme, the elastic piece is located in the projection range of the overlap end along the thickness direction of the light Fu Diewa component.

According to the technical scheme, the elastic piece is a metal wire or a metal elastic piece.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the overlap joint end is arranged and is contacted with the adjacent battery piece, so that compared with the battery piece in the prior art, the area of the overlap joint end is increased, and therefore, when the battery piece is overlapped with the adjacent battery piece, the overlap joint end of the battery piece is overlapped with the other adjacent battery piece, and the contact area of the overlap joint end and the other adjacent battery piece is larger, so that the stress concentration of the two battery pieces in the lamination area can be reduced, and the risk of hidden cracking of the battery pieces in the lamination area in the lamination process is further reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic front view of a prior art battery panel according to embodiment 1 of the present utility model;

Fig. 2 is a schematic top view of a battery sheet according to embodiment 1 of the present utility model;

fig. 3 is a schematic top view of a battery sheet according to embodiment 2 of the present utility model;

fig. 4 is a schematic top view of a battery sheet according to embodiment 4 of the present utility model;

FIG. 5 is a schematic top view of a battery plate according to the embodiment 5 of the present utility model when the third edge is curved;

Fig. 6 is a schematic top view of a battery plate according to embodiment 5 of the present utility model when the third edge is a straight line;

fig. 7 is a schematic diagram showing the front view of embodiment 5 of the present utility model.

In the figure: 1-cell, 101-cell body, 102-overlap, 103-first edge, 104-second edge, 105-third edge, 106-fourth edge, 107-fifth edge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, the present utility model provides the following technical solutions: the photovoltaic tile assembly comprises a plurality of overlapped battery pieces 1, as shown in fig. 1, the battery pieces 1 are electrically connected through welding strips, the stacked battery pieces 1 are put into a shell formed by an upper cover and a lower cover to be manufactured into the photovoltaic assembly, as shown in fig. 2, the battery pieces 1 comprise a battery piece main body 101 and a lap joint end 102 arranged at one end of the battery piece main body 101, after the battery pieces 1 are lapped, the battery pieces 1 are contacted with the adjacent battery pieces 1 through the lap joint end 102, and compared with the traditional lap joint method, the lap joint area is increased, wherein the lap joint end 102 comprises a first edge 103 and a second edge 104 which are connected with the edges of the battery piece main body 101 in the length direction; as shown in fig. 2, the battery main body 101 includes a fourth edge 106 and a fifth edge 107 which are disposed opposite to each other along the length direction of the battery 1, the fourth edge 106 is connected to the first edge 103, the fifth edge 107 is connected to the second edge 104, a first angle α is formed between the first edge 103 and the fourth edge 106, and a second angle β is formed between the second edge 104 and the fifth edge 107, wherein; at least one of the first included angle alpha and the second included angle beta is an obtuse angle.

Compared with the battery piece in the prior art, the area of the lap joint end of the battery piece with the structure is increased, so that when the battery piece is stacked with the adjacent battery piece, the lap joint end of the battery piece is overlapped with the adjacent battery piece, the contact area of the lap joint end of the battery piece and the adjacent battery piece is larger, and therefore the stress concentration of the two battery pieces in a stacking area can be reduced, and the risk that the battery pieces are hidden in the stacking area in the lamination process is reduced.

Specifically, the ratio of the area S1 of the overlap end 102 to the total area S of the battery pieces 1 is 1/120.ltoreq.s1/s.ltoreq.1/20, and an excessively large S1/S can affect the area of the battery pieces for receiving light, affect the efficiency of the shingle assembly, and an excessively small S1/S can cause an excessively large stress between adjacent battery pieces and an excessively high risk of hidden cracking in the lamination process.

Example 2

Specifically, one of the first included angle α and the second included angle β is 90 degrees, and the other included angle is greater than 90 degrees and less than or equal to 150 degrees, as shown in fig. 3, since one included angle is 90 degrees, the edge forming the included angle needs to be extended from the side edge connected to the battery main body 101.

Example 3

Specifically, the first included angle α and the second included angle β are respectively greater than 90 degrees and less than or equal to 150 degrees;

Specifically, the first included angle α and the second included angle β are 120 ° respectively, and at this time, the area of the overlap end 102 is smaller, and the contact area is larger, so as to save cost.

Example 4

Specifically, the first edge 103 and the second edge 104 are respectively one or more combinations of straight lines, curves or arcs, as shown in fig. 4, when the first edge 103 and the second edge 104 are respectively arcs, an arc is formed between the first edge 103 and the second edge 104.

Example 5

Specifically, the overlap end 102 includes a third edge 105, two ends of the third edge 105 are respectively connected to the first edge 103 and the second edge 104, the third edge 105 is one of a straight line, a curved line or an arc line, as shown in fig. 6, which is a schematic top view structure of the battery piece 1 when the third edge 105 is a straight line, and fig. 5 is a schematic top view structure of the battery piece 1 when the third edge 105 is a curved line;

Specifically, as shown in fig. 7, an elastic member 2 is disposed between the overlap end 102 and the battery plate body 101 in contact with the overlap end 102, the elastic member 2 is located in a projection range of the overlap end along a thickness direction of the light Fu Diewa assembly, and the elastic member 2 is a metal wire or a metal elastic sheet. The pressure between two battery pieces is reduced when the lamination is buffered, the risks of hidden cracks and battery piece cracks are reduced, the mechanical load resistance of the laminated tile assembly is improved, and the production yield and the stability of the laminated tile assembly are improved.

According to the utility model, the cell body 101 and the lap joint end 102 are arranged, and the lap joint end 102 is contacted with the adjacent cell 1, so that the lap joint area is increased, the stress concentration of the two cells in the lamination area can be reduced, and the risk of hidden cracking of the cells in the lamination area in the lamination process is further reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a photovoltaic shingle assembly, includes battery piece (1) that a plurality of looks overlap set up, forms electric connection through the welding area between battery piece (1), its characterized in that: the battery piece (1) includes battery piece main part (101) and sets up overlap joint end (102) in battery piece main part (101) one end, battery piece (1) overlap joint through overlap joint end (102) and battery piece main part (101) of adjacent battery piece (1), wherein:

the lap joint end (102) comprises a first edge (103) and a second edge (104), the battery piece main body (101) comprises a fourth edge (106) and a fifth edge (107) which are oppositely arranged along the length direction of the battery piece (1), the fourth edge (106) is connected with the first edge (103), the fifth edge (107) is connected with the second edge (104), a first included angle alpha is formed between the first edge (103) and the fourth edge (106), and a second included angle beta is formed between the second edge (104) and the fifth edge (107), wherein the lap joint end is formed by a first included angle alpha; at least one of the first included angle alpha and the second included angle beta is an obtuse angle, and the ratio of the area S1 of the lap joint end (102) to the total area S of the battery piece (1) is 1/120-1/S-1/20.

2. A photovoltaic shingle assembly according to claim 1, wherein: one of the first included angle alpha and the second included angle beta is 90 degrees, and the other included angle is greater than 90 degrees and less than or equal to 150 degrees.

3. A photovoltaic shingle assembly according to claim 1, wherein: the first included angle alpha and the second included angle beta are respectively larger than 90 degrees and smaller than or equal to 150 degrees.

4. A photovoltaic shingle assembly according to claim 3, wherein: the first included angle alpha and the second included angle beta are 120 degrees respectively.

5. A photovoltaic shingle assembly according to any of claims 1-4, wherein: the first edge (103) and the second edge (104) are respectively one or a combination of a plurality of straight lines, curves or arcs.

6. A photovoltaic shingle assembly according to any of claims 1-4, wherein: the lap joint end (102) further comprises a third edge (105), two ends of the third edge (105) are respectively connected with the first edge (103) and the second edge (104), and the third edge (105) is one of a straight line, a curve or an arc line.

7. A photovoltaic shingle assembly according to any of claims 1-4, wherein: an elastic piece (2) is arranged between the lap joint end (102) and the battery piece main body (101) contacted with the lap joint end (102).

8. A photovoltaic shingle assembly according to claim 7, wherein: the elastic piece (2) is positioned in the projection range of the lap joint end along the thickness direction of the light Fu Diewa component.

9. A photovoltaic shingle assembly according to claim 8, wherein: the elastic piece (2) is a metal wire or a metal elastic piece.