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EP-4625812-B1 - PHOTOVOLTAIC MODULE

EP4625812B1EP 4625812 B1EP4625812 B1EP 4625812B1EP-4625812-B1

Inventors

  • TAO, Wusong
  • JIN, HAO
  • XIE, YUNFEI
  • WANG, JUNQING
  • PENG, CHANGCHUN
  • Shi, Jiahui
  • SHI, TIANTIAN
  • CHEN, ZHENDONG
  • ZHOU, YUNFENG
  • ZHAO, Jinhui
  • CHEN, Xinyi
  • ZHAO, Qiuyu
  • BO, Yaoyi
  • YAO, Yichao
  • GUO, Zhiqiu

Dates

Publication Date
20260513
Application Date
20250107

Claims (15)

  1. A photovoltaic module, comprising a laminated assembly (1) and a frame (2), wherein the frame (2) comprises a clamping frame (21), the clamping frame (21) is sleeved on an edge of the laminated assembly (1), the clamping frame (21) comprises a first clamping portion (211), the first clamping portion (211) is disposed on a side of the laminated assembly (1) away from sunlight, the first clamping portion (211) comprises a first surface (211A) and a second surface (211B), wherein along a thickness direction of the laminated assembly (1), the first surface (211A) and the second surface (211B) of the first clamping portion (211) are both disposed on a side of the first clamping portion (211) towards the laminated assembly (1), the first surface (211A) and the second surface (211B) of the first clamping portion (211) are both inclined and extend away from the laminated assembly (1), and the second surface (211B) of the first clamping portion (211) is located on a side of the first surface (211A) of the first clamping portion (211) away from the edge of the laminated assembly (1); and an angle α 1 is defined between an inclined direction of the first surface (211A) of the first clamping portion (211) and the thickness direction of the laminated assembly (1), an angle α 2 is defined between an inclined direction of the second surface (211B) of the first clamping portion (211) and the thickness direction of the laminated assembly (1), and the angle α 1 between the inclined direction of the first surface (211A) of the first clamping portion (211) and the thickness direction of the laminated assembly (1) is less than the angle α 2 between the inclined direction of the second surface (211B) of the first clamping portion (211) and the thickness direction of the laminated assembly (1), characterized in that the angle α 1 between the inclined direction of the first surface (211A) of the first clamping portion (211) and the thickness direction of the laminated assembly (1) and the angle α 2 between the inclined direction of the second surface (211B) of the first clamping portion (211) and the thickness direction of the laminated assembly (1) satisfy following relationship: 10° ≤ α 2 - α 1 ≤ 20°.
  2. The photovoltaic module of claim 1, wherein the angle α 1 between the inclined direction of the first surface (211A) of the first clamping portion (211) and the thickness direction of the laminated assembly (1) satisfies following relationship: 90° < α 1 ≤ 100°.
  3. The photovoltaic module of claim 1 or 2, wherein the frame (2) further comprises a first supporting portion (22), a second supporting portion (23) and a third supporting portion (24), the first supporting portion (22) and the second supporting portion (23) are disposed opposite to each other along a first direction, the third supporting portion (24) and the first clamping portion (211) are disposed opposite to each other along the thickness direction of the laminated assembly (1); one end of the first supporting portion (22) and one end of the second supporting portion (23) are each connected to the first clamping portion (211), the other end of the first supporting portion (22) and the other end of the second supporting portion (23) are each connected to the third supporting portion (24); and the third supporting portion (24) is configured to be fixedly connected to a roof.
  4. The photovoltaic module of claim 3, wherein the frame (2) further comprises a second clamping portion (212) and a third clamping portion (213), the third clamping portion (213) and the first clamping portion (211) are disposed opposite to each other along the thickness direction of the laminated assembly (1), the third clamping portion (213) is disposed on a side of the laminated assembly (1) towards the sunlight, two ends of the second clamping portion (212) are connected to the first clamping portion (211) and the third clamping portion (213) respectively along the thickness direction of the laminated assembly (1); and a distance between the second clamping portion (212) and the first supporting portion (22) along the first direction is greater than 0.
  5. The photovoltaic module of claim 4, wherein a first groove (214) is defined by a top of the third clamping portion (213) being bent towards the first clamping portion (211) and the first clamping portion (211) surrounding, an orthographic projection of an end of the top of the third clamping portion (213) towards the first clamping portion (211) located on a surface of the first clamping portion (22) overlaps with a connection point defined between the first supporting portion (22) and the first clamping portion (211).
  6. The photovoltaic module of any of claims 3 to 5, wherein the frame further comprises an extending portion (26) disposed on the first supporting portion (22), the extending portion (26) is disposed on a side of the first supporting portion (22) away from the second supporting portion (23) along the first direction; the number of the extending portion (26) is one, or a plurality of extending portions (26) are arranged at intervals along the thickness direction of the laminated assembly (1).
  7. The photovoltaic module of any of claims 3 to 6, wherein the first clamping portion (211), the first supporting portion (22), the third supporting portion (24) and the second supporting portion (23) are surrounded to define a cavity (25), the cavity (25) is provided with a reinforcing frame (27); and the number of the reinforcing frame (27) is at least two, two adjacent reinforcing frames (27) are connected to each other to be V-shaped or X-shaped.
  8. The photovoltaic module of any preceding claim, further comprising a junction box (3), wherein the junction box (3) is disposed on a side of the laminated assembly (1) where a longer side of the laminated assembly (1) is located, or the junction box (3) is disposed on a side of the laminated assembly (1) where a shorter side of the laminated assembly (1) is located; and the junction box (3) is an integrated junction box, the integrated junction box is connected to a positive pole and a negative pole of the laminated assembly (1); or the junction box comprises a first junction box (31) and a second junction box (32), the first junction box (31) is connected to a positive pole of the laminated assembly (1), and the second junction box (32) is connected to a negative pole of the laminated assembly (1); or the photovoltaic module further comprises a junction box (3) and an inverter (4), wherein the junction box (3) and the inverter (4) are arranged along the first direction; a distance L 1 between the inverter (4) and an edge of the photovoltaic module along the first direction satisfies following relationship: 350 mm ≤ L 1 ≤ 400 mm; and along a second direction perpendicular to the first direction, a distance L 2 between the inverter (4) and the edge of the photovoltaic module satisfies following relationship: 240 mm ≤ L 2 ≤ 300 mm.
  9. The photovoltaic module of claim 7, further comprising a photovoltaic-module mounting structure, wherein the photovoltaic-module mounting structure comprises a fixing assembly (5); the clamping frame (21) is provided a first groove (214) configured to accommodate the laminated assembly (1); an outer surface wall of the cavity (25) is provided with a snapping portion (251), the snapping portion (251) and the cavity (25) are sequentially arranged along an opening direction of the first groove (214); the fixing assembly (5) comprises an inserting portion (51) connected to the snapping portion (251), the fixing assembly (5) further comprises a connecting portion (52) and a fixing portion (53), the inserting portion (51) is connected to the fixing portion (53) via the connecting portion (52), and the fixing portion (53) is configured to fix an bracket (6).
  10. The photovoltaic module of claim 9, wherein the snapping portion (251) comprises a first snapping component (2510) and a second snapping component (2511) opposite to each other, the first snapping component (2510) is disposed on a side of the second snapping component (2511) towards the first groove (214); and the inserting portion (51) comprises a snapping block (510), the snapping block (510) is snapped between the first snapping component (2510) and the second snapping component (2511); and/or the fixing portion (53) comprises a fixing block (531), the fixing block (531) is provided with a third hole (5310), the third hole (5310) penetrates through the fixing block (21) along a direction from the clamping frame (21) to the first clamping portion (211); and the fixing block (531) is connected to the bracket (6) via the second connecting component (72).
  11. The photovoltaic module of claim 10, wherein the first snapping component (2510) is provided with a second groove (25101), a side of the second groove (25101) towards the first groove (214) is recessed, the second snapping component (2511) is provided with a third clamping portion (25111), a side of the third groove (25111) away from the first groove (214) is recessed, the second groove (25101) and the third groove (25111) are symmetrically arranged; two ends of the snapping block (510) are snapped with the second groove (25101) and the third groove (25111), respectively; and/or the snapping block (510) is provided with a first hole (5101), the first hole (5101) penetrates through the snapping block (510) along the opening direction of the first groove (214); an outer sidewall of the cavity (25) is provided with a second hole (2501) corresponding to the first hole (5101), the second hole (2501) penetrates through the outer sidewall of the cavity (25) along the opening direction of the first groove (214), the snapping block (510) is connected to the outer sidewall of the cavity (25) via the first connecting component (71); the connecting portion (52) is disposed on a side of the snapping block (510) away from the first groove (214), a section of the connecting portion (52) along a direction from a side of the clamping frame (21) towards the cavity (25) is in an inverted-L shape; the connecting portion (52) comprises a transverse plate (521) and a vertical plate (522), the vertical plate (522) is connected to the transverse plate (521), an inverted-L structure is defined between the transverse plate (521) and the vertical plate (522), the transverse plate (521) is connected to a side of the snapping block (510) away from the cavity (25), the vertical plate (522) is connected to an end of the fixing portion (53), and the fixing portion (53) extends toward or away from a bottom wall of the cavity (25).
  12. The photovoltaic module of claim 11, wherein an orthographic projection of the connecting portion (52), an orthographic projection of the snapping block (510) and an orthographic projection of the laminated assembly (1) along a direction from the clamping frame (21) towards the cavity (25) all overlaps with an orthographic projection of the fixing portion (53); and/or an orthographic projection of the inserting portion (51), an orthographic projection of the connecting portion (52) and an orthographic projection of the laminated assembly (1) along a direction from the clamping frame (21) towards the cavity (25) all does not overlap with the orthographic projection of the fixing portion (53).
  13. The photovoltaic module of any preceding claim, wherein the frame (2) further comprises a first supporting portion (22), a second supporting portion (23) and a third supporting portion (24), the third supporting portion (24), the first supporting portion (22), the first clamping portion (211) and the second supporting portion (23) are sequentially surrounded to define a cavity (25); the photovoltaic module further comprises a corner bracket (8), the corner bracket (8) comprises two corner-bracket connecting portions (801) connected to each other, the two corner-bracket connecting portions (801) are L-shaped, each of the two corner-bracket connecting portions (801) comprises a first sub-connecting plate (811) and a second sub-connecting plate (821) parallel to each other, a recess (802) is formed between the first sub-connecting plate (811) and the second sub-connecting plate (821); and the first sub-connecting plate (811) is disposed in the cavity (25), the second supporting portion (23) is disposed in the recess (802); or the second sub-connecting plate (821) is disposed in the cavity (25), the first supporting portion (22) is disposed in the recess (802).
  14. The photovoltaic module of claim 13, wherein a width of the recess (802) is less than or equal to a thickness of the first supporting portion (22), or a width of the recess (802) is less than or equal to a thickness of the second supporting portion (23); and/or a surface of the first sub-connecting plate (811) and/or the second sub-connecting plate (821) towards the recess (802) comprises a snapping structure (803).
  15. The photovoltaic module of claim 14, wherein a first bending portion (2534) is formed by an end of the third supporting portion (24) away from the second supporting portion (23) relative to the first supporting portion (22) being bent towards the first clamping portion (211); a second bending portion (2113) is formed by an end of the first clamping portion (211) away from the second supporting portion (23) relative to the first supporting portion (22) being bent towards the third supporting portion (24); and the second groove (25101) is defined by the first bending portion (2534), the first supporting portion (22) and the second bending portion (2113) surrounding; the second sub-connecting plate (821) is disposed in the cavity (25), the first supporting portion (22) is disposed in the recess (802), and the first sub-connecting plate (811) is disposed in the second groove (25101).

Description

CROSS-REFERENCE TO RELATED APPLICATIONS The present application claims priority to Chinese patent application No. 202420833456.5, filed on April 22, 2024, and titled "PHOTOVOLTAIC-MODULE MOUNTING STRUCTURE", No. 202410489004.4, filed on April 22, 2024, and titled "PHOTOVOLTAIC MODULE", and. No. 202410373774.2, filed on March 29, 2024, and titled "PHOTOVOLTAIC MODULE". TECHNICAL FIELD The present application relates to the field of solar cell, and in particular, to a photovoltaic module. BACKGROUND A photovoltaic module includes a laminated assembly and a frame sleeved on an edge of the laminated assembly. In prior art, the frame includes a first frame, a second frame, and a third frame. The first frame and the third frame both extend horizontally along a first direction X, and the second frame extends vertically along a thickness direction of the laminated assembly. The two ends of the second frame are connected to the first frame and the third frame, respectively, i.e., and an accommodating space for accommodating edges of the laminated assembly is defined by the first frame, the second frame, and the third frame surrounding. During a process of horizontally inserting the laminated assembly into the accommodating space along the first direction X, it is required to maintain a horizontal movement of the laminated assembly to reduce a risk of damaging the laminated assembly due to tilting of the laminated assembly, such that an installation of the laminated assembly is more difficult. WO 2014/174948 A1 discloses a solar cell module. This solar cell module is configured from a solar cell panel, and a frame body for supporting a solar cell by having an end section of the solar cell panel fitted therein. In the solar cell module, the frame body is configured to have a fit-in section for having the solar cell panel fitted therein, the fit-in section has an edge section, the end section of the solar cell panel is fitted in the fit-in section, and the light receiving surface of the solar cell panel is in contact with the edge section. SUMMARY According to various embodiments of the present application, a photovoltaic module is provided. In the photovoltaic module in the present application, an installation of the laminated assembly is easier. The invention is set out in the appended set of claims. The present application provides a photovoltaic module. The photovoltaic module includes a laminated assembly and a frame. The frame includes a clamping frame. The clamping frame is sleeved on an edge of the laminated assembly. The clamping frame includes a first clamping portion. The first clamping portion is disposed on a side of the laminated assembly away from sunlight. The first clamping portion includes a first surface and a second surface. Along a thickness direction of the laminated assembly, the first surface and the second surface of the first clamping portion are both disposed on a side of the first clamping portion towards the laminated assembly. The first surface and the second surface of the first clamping portion are both inclined and extend away from the laminated assembly. The second surface of the first clamping portion is located on a side of the first surface of the first clamping portion away from the edge of the laminated assembly. An angle α1 is defined between an inclined direction of the first surface of the first clamping portion and the thickness direction of the laminated assembly. An angle α2 is defined between an inclined direction of the second surface of the first clamping portion and the thickness direction of the laminated assembly. The angle α1 between the inclined direction of the first surface of the first clamping portion and the thickness direction of the laminated assembly is less than the angle α2 between the inclined direction of the second surface of the first clamping portion and the thickness direction of the laminated assembly. The above general description and the subsequent detailed description are only exemplary and should not limit a scope of the present application. Details of one or more embodiments of the present application are presented in the attached drawings and descriptions below. And other features, purposes and advantages of the present application will become apparent from the description, drawings and claims. BRIEF DESCRIPTION OF THE DRAWINGS For a better description and illustration of embodiments and/or examples of the present application disclosed herein, reference may be made to one or more attached drawings. Additional details or examples used to describe the drawings should not be considered as limiting the scope of any of the present application, currently described embodiments and/or examples, and currently understood best modes of the present application. FIG. 1 is a bottom view of a photovoltaic module of an embodiment in the present application.FIG. 2 is a bottom view of a photovoltaic module of another embodiment in the present application.FIG. 3