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CN-122002914-A - Curved photovoltaic tile and photovoltaic module

CN122002914ACN 122002914 ACN122002914 ACN 122002914ACN-122002914-A

Abstract

The application discloses a curved photovoltaic tile and a photovoltaic module. The curved photovoltaic tile comprises a panel, a plurality of battery pieces, connecting wires and a back plate, wherein the battery pieces are distributed along at least one direction, the connecting wires are arranged in the battery pieces, the connecting wires are electrically connected with the battery pieces, the curved photovoltaic tile is provided with welding parts connected with adjacent battery pieces, the welding parts are connected with the end parts of the connecting wires, the battery pieces are positioned between the panel and the back plate, and the panel, the battery pieces and the back plate are in a curved surface shape. In the curved photovoltaic tile of the embodiment of the application, the connecting wires are arranged in the battery pieces and are electrically connected with the battery pieces, the two adjacent battery pieces can be connected by welding the end parts of the connecting wires in the two adjacent battery pieces, and the number of welding points is reduced, so that the welding difficulty and the welding failure probability are reduced, and the connection stability of the battery pieces is improved.

Inventors

  • ZHANG MINHUAN
  • YU HUAJUN
  • ZHU YANJUN
  • HAN YINGJIE

Assignees

  • 深圳市华宝新能源股份有限公司

Dates

Publication Date
20260508
Application Date
20241106

Claims (10)

  1. 1. A curved photovoltaic tile, comprising: A panel; The plurality of battery pieces are arranged along at least one direction; The connecting wire is arranged in the battery piece, the connecting wire is electrically connected with the battery piece, the curved photovoltaic tile is provided with a welding part connected with the adjacent battery piece, and the welding part is connected with the end part of the connecting wire; The battery piece is located between the panel and the backboard, and the panel, the battery piece and the backboard are all in a curved surface shape.
  2. 2. The curved photovoltaic tile according to claim 1, wherein the cell sheet is formed with a connection hole, and the connection wire is connected to the welded portion through the connection hole.
  3. 3. The curved photovoltaic tile of claim 1, wherein in a first direction, said cells are connected in series by said connection lines.
  4. 4. A curved photovoltaic tile according to claim 3, wherein the welded parts are in a plurality of groups, each group of welded parts comprises two welded parts, the two welded parts are arranged at intervals along the first direction, the plurality of groups of welded parts are arranged along a second direction, each group of welded parts is connected by one connecting line, and the second direction intersects the first direction.
  5. 5. A curved photovoltaic tile according to claim 3, wherein the welded parts are in a plurality of groups, each group of welded parts comprises two welded parts, the two welded parts are arranged at intervals along the first direction, the plurality of groups of welded parts are arranged along the second direction, the connecting lines connect the adjacent two groups of welded parts in series, and the second direction intersects the first direction.
  6. 6. The curved photovoltaic tile of claim 3, wherein said weld is located at an end of said cell in said first direction.
  7. 7. A curved photovoltaic tile according to claim 3, wherein two adjacent cells are connected with a plurality of connection lines along the first direction, the plurality of connection lines being spaced along a second direction, the second direction intersecting the first direction.
  8. 8. The curved photovoltaic tile of claim 1, wherein the curved photovoltaic tile is formed with a plurality of connection points through which the connection lines are electrically connected to the cell sheet to divide the cell sheet into a plurality of sections.
  9. 9. The curved photovoltaic tile of claim 1, further comprising a layer of encapsulation adhesive film disposed between the backsheet and the cell and/or between the panel and the cell.
  10. 10. A photovoltaic module comprising a plurality of the curved photovoltaic tiles of any of claims 1-9, the plurality of curved photovoltaic tiles being electrically connected.

Description

Curved photovoltaic tile and photovoltaic module Technical Field The invention relates to the technical field of photovoltaics, in particular to a curved photovoltaic tile and a photovoltaic module. Background Along with the remarkable problems of energy shortage, climate emission and the like, the world is increasingly concerned with clean and pollution-free renewable energy sources, and solar energy is an inexhaustible green energy source. Currently, the application field of photovoltaic power generation is wide, solar energy and building integrated design (BIPV) gradually becomes trend, and a residential roof is a main application area of distributed photovoltaic. Typically, a photovoltaic tile is composed of a plurality of strings of photovoltaic cells, wherein the strings of photovoltaic cells are connected in series with a plurality of cells, however, a defluxing phenomenon is likely to occur between the series of cells. Disclosure of Invention The invention provides a curved photovoltaic tile and a photovoltaic module. The curved photovoltaic tile comprises a panel, a plurality of battery pieces, connecting wires and a back plate, wherein the battery pieces are distributed along at least one direction, the connecting wires are arranged in the battery pieces, the connecting wires are electrically connected with the battery pieces, the curved photovoltaic tile is provided with welding parts connected with adjacent battery pieces, the welding parts are connected with the end parts of the connecting wires, the battery pieces are positioned between the panel and the back plate, and the panel, the battery pieces and the back plate are in a curved surface shape. In the curved photovoltaic tile of the embodiment of the application, the connecting wires are arranged in the battery pieces and are electrically connected with the battery pieces, the two adjacent battery pieces can be connected by welding the end parts of the connecting wires in the two adjacent battery pieces, and the number of welding points is reduced, so that the welding difficulty and the welding failure probability are reduced, and the connection stability of the battery pieces is improved. In some embodiments, the battery tab is formed with a connection hole through which the connection wire is connected to the welding part. In certain embodiments, the battery cells are connected in series by a connecting line in the first direction. In some embodiments, the welding parts are multiple groups, each group of welding parts comprises two welding parts, the two welding parts are arranged at intervals along a first direction, the multiple groups of welding parts are arranged along a second direction, each group of welding parts is connected through a connecting wire, and the second direction intersects with the first direction. In some embodiments, the welding parts are multiple groups, each group of welding parts comprises two welding parts, the two welding parts are arranged at intervals along a first direction, the multiple groups of welding parts are arranged along a second direction, the connecting wires connect the adjacent two groups of welding parts in series end to end, and the second direction intersects with the first direction. In some embodiments, the weld is located at an end of the battery tab in the first direction. In some embodiments, a plurality of connection lines are connected to two adjacent battery cells along a first direction, the plurality of connection lines being disposed at intervals along a second direction, the second direction intersecting the first direction. In some embodiments, the curved photovoltaic tile is formed with a plurality of connection points through which connection lines are electrically connected to the cell sheet to divide the cell sheet into a plurality of sections. In certain embodiments, the curved photovoltaic tile further comprises an encapsulation adhesive film layer disposed between the backsheet and the cell and/or between the panel and the cell. The photovoltaic module comprises a plurality of the curved photovoltaic tiles, and the curved photovoltaic tiles are electrically connected. Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Drawings The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which: FIG. 1 is a schematic perspective view of a curved photovoltaic tile according to an embodiment of the present invention; FIG. 2 is a schematic view of a portion of a curved photovoltaic tile according to one embodiment of the present invention; FIG. 3 is a schematic view of a portion of a curved photovoltaic tile according to another embodiment of the presen