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CN-224205530-U - Packaging structure and multilayer composite solar panel module

CN224205530UCN 224205530 UCN224205530 UCN 224205530UCN-224205530-U

Abstract

The utility model relates to the technical field of solar cells, in particular to a packaging structure, which comprises a first packaging structure layer, wherein the first packaging structure layer is provided with a plurality of through holes, and the through holes can penetrate through the upper surface and the lower surface of the first packaging structure layer. The multi-layer composite solar panel module is also provided with a first packaging structure layer. Compared with the prior art, the stress distribution of the first packaging structure layer can be changed through the through holes, so that the stress is redistributed around the holes, the phenomenon of stress concentration is relieved, the first packaging structure layer is more uniformly deformed during bending, the local too high stress of the first packaging structure layer is reduced, the first packaging structure layer is prevented from cracking or breaking due to the too high stress in the bending process, the situation that cracking or layering cannot occur among all layers of the solar cell panel module is avoided, the cell can be well sealed and protected, and the service reliability and the service life of the solar cell module are improved.

Inventors

  • Ning Zuozheng

Assignees

  • 深圳市德乐士光电科技有限公司

Dates

Publication Date
20260505
Application Date
20250430

Claims (9)

  1. 1. The packaging structure is characterized by comprising a first packaging structure layer (31), wherein the first packaging structure layer (31) is provided with a plurality of through holes, and the through holes can penetrate through the upper surface and the lower surface of the first packaging structure layer (31); The through holes at least comprise a first row of through holes and a second row of through holes, and the first row of through holes and the second row of through holes are arranged along the longitudinal interval of the first packaging structure layer (31); The first row of through holes are provided with a plurality of first through holes (33) which are arranged along the transverse interval of the first packaging structure layer (31), and the second row of through holes are provided with a plurality of second through holes (34) which are arranged along the transverse interval of the first packaging structure layer (31), and the plurality of first through holes (33) and the plurality of second through holes (34) are arranged in a staggered mode.
  2. 2. The package structure according to claim 1, wherein the first package structure layer (31) is any one of a double-coated fluorine-containing structure back plate, a trifluorocarbon-coated structure back plate, and a single-sided fluorine-containing structure back plate.
  3. 3. The packaging structure according to claim 1 or 2, characterized in that one second through hole (34) is located between two first through holes (33), and that one second through hole (34) is arranged in an equilateral triangle structure with two first through holes (33); The thickness of the first packaging structure layer (31) is between 0.05mm and 0.35mm, the diameter of the through holes is between 0.5mm and 2.0mm, and the hole edge distance between the two through holes is between 1mm and 5 mm.
  4. 4. A multi-layer composite solar panel module comprising the encapsulation structure of any one of claims 1-3.
  5. 5. The multi-layer composite solar panel module of claim 4, wherein the multi-layer composite solar panel module comprises a back plate structure layer (10), a plurality of battery pieces (20), a second packaging structure layer (32) and a front panel structure layer (40), wherein the plurality of battery pieces (20) are arranged on the upper surface of the back plate structure layer (10), the first packaging structure layer (31) is arranged on the upper surface of the plurality of battery pieces (20), the second packaging structure layer (32) is arranged on the upper surface of the first packaging structure layer (31), and the front panel structure layer (40) is arranged on the upper surface of the second packaging structure layer (32).
  6. 6. The multi-layered composite solar panel module of claim 5, wherein the back plate structural layer (10) and the battery piece (20) are connected together through a glue film layer (50), the battery piece (20) and the first packaging structural layer (31) are connected together through the glue film layer (50), the first packaging structural layer (31) and the second packaging structural layer (32) are connected together through the glue film layer (50), the second packaging structural layer (32) and the front plate structural layer (40) are connected together through the glue film layer (50), The adhesive film layer (50) is any one of transparent EVA adhesive film, white EVA adhesive film, POE adhesive film, co-extrusion POE adhesive film, PVDF adhesive film, SGP adhesive film or acrylic adhesive film.
  7. 7. The multi-layered composite solar panel module of claim 6, wherein the plastic film layer (50) is disposed on the upper surface and the lower surface of the first encapsulation structure layer (31), and the plastic of the plastic film layer (50) can be inserted into the through hole after the thermal fusion bonding.
  8. 8. The multilayer composite solar panel module according to any one of claims 5 to 7, wherein the upper surface of the front panel structure layer (40) is transferred with a concave-convex texture structure by a teflon woven cloth or a metal mesh.
  9. 9. The multi-layered composite solar panel module according to claim 8, wherein the front panel structure layer (40) is any one of ETFE film and PVF film, the concave-convex texture structure includes concave points (41) concavely provided on the upper surface of the front panel structure layer (40) and convex points (42) convexly provided on the upper surface of the front panel structure layer (40), and one convex point (42) and one concave point (41) are arranged at a distance to form a mesh-like concave-convex texture structure.

Description

Packaging structure and multilayer composite solar panel module Technical Field The utility model relates to the technical field of solar cells, in particular to a packaging structure and a multilayer composite solar panel module. Background In the related art, a solar cell panel module has a structure in which a transparent front substrate, an encapsulating material layer, a solar cell element, an encapsulating material layer, and a back protective sheet are provided in this order from a light receiving surface side, and has a function of generating power by injecting solar light into the solar cell element. However, in the process of transportation or installation of the solar panel module, the solar panel module is inevitably bent due to the action of external force, and once the solar panel module is bent to a certain extent, cracking or layering occurs, so that the solar panel cannot obtain a good sealing protection effect, and the use reliability and the service life of the solar panel module are severely limited. Therefore, a new technical solution is needed to solve the above problems. Disclosure of utility model In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a packaging structure, which effectively solves the technical defects of cracking or layering caused by bending in the solar panel module in the prior art, so as to improve the reliability and service life of the solar panel module. In order to achieve the purpose, the packaging structure is characterized by comprising a first packaging structure layer, wherein the first packaging structure layer is provided with a plurality of through holes, and the through holes can penetrate through the upper surface and the lower surface of the first packaging structure layer. As a preferable scheme, the first packaging structure layer is any one of a double-coated fluorine-containing structure back plate, a trifluoro carbon coating structure back plate and a single-sided fluorine-containing structure back plate. As a preferable scheme, the through holes at least comprise a first row of through holes and a second row of through holes, and the first row of through holes and the second row of through holes are arranged along the longitudinal interval of the first packaging structure layer; The first row of through holes are provided with a plurality of first through holes which are arranged along the transverse interval of the first packaging structure layer, the second row of through holes are provided with a plurality of second through holes which are arranged along the transverse interval of the first packaging structure layer, and the plurality of first through holes and the plurality of second through holes are arranged in a staggered manner. As a preferred solution, one second through hole is located between the two first through holes, and one second through hole and the two first through holes are arranged in an equilateral triangle structure. As a preferred solution, the thickness of the first encapsulation structure layer is between 0.05mm and 0.35mm, the diameter of the through holes is between 0.5mm and 2.0mm, and the hole edge distance between the two through holes is between 1mm and 5 mm. Compared with the prior art, the packaging structure has the beneficial effects that by arranging the first packaging structure layer with the plurality of through holes, after the solar panel module is provided with the first packaging structure layer, the stress distribution of the first packaging structure layer can be changed through the through holes, so that the stress is redistributed around the holes to obtain the phenomenon of relieving stress concentration, thereby being beneficial to the first packaging structure layer to be more uniformly deformed when being bent, reducing the local too high stress of the first packaging structure layer, ensuring that the first packaging structure layer is not cracked or broken due to the too high stress in the bending process, further ensuring that the situation of cracking or layering among all layers of the solar panel module is not generated, ensuring that a battery piece can obtain good sealing protection effect, and improving the service reliability and the service life of the solar panel module. The application also provides a multilayer composite solar panel module, which comprises a packaging structure. The multi-layer composite solar panel module comprises a back plate structure layer, a plurality of battery pieces, a second packaging structure layer and a front panel structure layer, wherein the battery pieces are arranged on the upper surface of the back plate structure layer, the first packaging structure layer is arranged on the upper surface of the battery pieces, the second packaging structure layer is arranged on the upper surface of the first packaging structure layer, and the front panel structure layer is arr