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CN-122026787-A - Photovoltaic unit and photovoltaic system

CN122026787ACN 122026787 ACN122026787 ACN 122026787ACN-122026787-A

Abstract

The application relates to the technical field of photovoltaics, in particular to a photovoltaic unit and a photovoltaic system. The photovoltaic unit comprises a photovoltaic module, a suspension bracket and a connecting assembly. The connecting component is fixedly arranged on the suspension bracket and is in suspension connection with the frame of the photovoltaic module, so that the photovoltaic module is in a vertical state under the action of gravity and can swing. The photovoltaic module hangs on the suspension bracket through coupling assembling for the photovoltaic module is in vertical state because of gravity effect, effectively prevents dust and sand or snow accumulation on photovoltaic module's surface, thereby effectively promotes generating efficiency.

Inventors

  • Guan Yanzhen
  • WANG RUIXIAN
  • ZHOU YANFANG

Assignees

  • 晶澳（扬州）太阳能科技有限公司

Dates

Publication Date
20260512
Application Date
20260126

Claims (15)

  1. 1. The photovoltaic unit is characterized by comprising a photovoltaic module (100), a suspension bracket (200) and a connecting assembly (300); the connecting component (300) is fixedly arranged on the suspension bracket (200); the connecting component (300) is connected with the frame of the photovoltaic module (100) in a hanging mode, so that the photovoltaic module (100) is in a vertical state under the action of gravity and can swing.
  2. 2. The photovoltaic unit according to claim 1, characterized in that the suspension bracket (200) is arranged laterally above the photovoltaic module (100), the connection assembly (300) comprises a first connection part (310) and a second connection part (320), the first end of the first connection part (310) is fixed on the suspension bracket (200), and the second end of the first connection part (310) is in rotational connection with the first end of the second connection part (320); The top frame (110) of the photovoltaic module (100) is suspended from the second end of the second connection portion (320) such that the photovoltaic module (100) can swing about an axis parallel to the top frame (110) of the photovoltaic module (100).
  3. 3. The photovoltaic unit according to claim 2, characterized in that the first end of the first connection (310) comprises a first fixing element (311), a second fixing element (312) and a first connection element (313); The first fixing piece (311) and the second fixing piece (312) are respectively positioned at two sides of the suspension bracket (200); The first connecting piece (313) is positioned at the bottom side of the suspension bracket (200) and is respectively connected with the bottom of the first fixing piece (311) and the bottom of the second fixing piece (312).
  4. 4. A photovoltaic unit according to claim 3, characterized in that the first end of the first connection portion (310) further comprises a first fastener (314) and a first stop (315) and a second stop (316) provided on the first fastener (314); The first fastening piece (314) penetrates through the first fixing piece (311), the suspension bracket (200) and the second fixing piece (312); the first limiting piece (315) is arranged on the outer side of the first fixing piece (311), and the second limiting piece (316) is arranged on the outer side of the second fixing piece (312).
  5. 5. A photovoltaic unit according to claim 3, characterized in that the second end of the first connection (310) comprises a vertical bar (317) and a cross bar (318); the first end of the vertical rod (317) is fixedly connected with the bottom of the first connecting piece (313), the second end of the vertical rod (317) is fixedly connected with the cross rod (318), the extending direction of the cross rod (318) is parallel to the extending direction of the top frame (110) of the photovoltaic module (100), and the first end of the second connecting part (320) is hung on the cross rod (318) and can rotate around the cross rod (318).
  6. 6. The photovoltaic unit according to claim 5, characterized in that the second end of the first connection portion (310) further comprises a third stop; The third limiting piece is arranged at one end of the cross rod (318) far away from the vertical rod (317) so as to limit the displacement of the second connecting portion (320) on the cross rod (318).
  7. 7. The photovoltaic unit according to claim 5, characterized in that the crossbar (318) comprises a cylindrical section (319), the second connection (320) comprises a first grip (321) and a second grip (322); The first clamping piece (321) comprises a first arc-shaped section (323) matched with the cylindrical section (319), the second clamping piece (322) comprises a second arc-shaped section (324) matched with the cylindrical section (319), and the first arc-shaped section (323) and the second arc-shaped section (324) are clamped on the cylindrical section (319) in a rotatable mode.
  8. 8. The photovoltaic unit according to claim 7, wherein the first clamp (321) further comprises a first extension (325) and a first clamping section (326) formed by the first arc section (323) extending away from the cross bar (318), and the second clamp (322) further comprises a second extension (327) and a second clamping section (328) formed by the second arc section (324) extending away from the cross bar (318); One end of the first extension section (325) is connected with the first arc-shaped section (323) and the other end is connected with the first clamping section (326), one end of the second extension section (327) is connected with the second arc-shaped section (324) and the other end is connected with the second clamping section (328); The first clamping section (326) and the second clamping section (328) clamp the top bezel (110) together.
  9. 9. The photovoltaic unit of claim 8, wherein the second connection portion (320) further comprises a second fastener (329) and fourth (330) and fifth (340) stoppers provided on the second fastener (329); The second fastening piece (329) penetrates through the first extending section (325) and the second extending section (327), and the fourth limiting piece (330) and the fifth limiting piece (340) are respectively clamped on the outer sides of the first extending section (325) and the second extending section (327) so as to fix the relative positions of the first clamping piece (321) and the second clamping piece (322).
  10. 10. The photovoltaic unit of claim 8 wherein the photovoltaic unit comprises, The inner sides of the first clamping section (326) and the second clamping section (328) are provided with a plurality of convex teeth (350), and the top frame (110) of the photovoltaic module (100) comprises a plurality of grooves matched with the convex teeth (350), wherein each convex tooth (350) is clamped with the corresponding groove; And/or the number of the groups of groups, The first extension section (325) and the first clamping section (326) are arranged in a zigzag manner, and the second extension section (327) and the second clamping section (328) are arranged in a zigzag manner; And/or the number of the groups of groups, The number of the connection assemblies (300) is two or more, and the second ends of the second connection parts (320) of each group of the connection assemblies (300) are suspended and connected to the top frame (110) along the top frame (110) of the photovoltaic module (100).
  11. 11. The photovoltaic unit according to claim 1, characterized in that the suspension brackets (200) are arranged longitudinally sideways of the photovoltaic module (100), the connection assembly (300) comprising a connection shaft (360); The connecting shaft (360) is fixedly arranged on the suspension bracket (200); the connecting shaft (360) is rotatably connected with the side frame (120) of the photovoltaic module (100), so that the photovoltaic module (100) can swing around the connecting shaft (360).
  12. 12. The photovoltaic unit according to claim 11, further comprising a plurality of first constraints (370), wherein the connecting shaft (360) is cylindrical, and wherein the connecting shaft (360) comprises a plurality of threaded segments (361); The thread segments (361) are respectively arranged on two sides of each photovoltaic module (100); Each first limiter (370) is threadedly coupled to a corresponding threaded segment (361) to limit displacement of each photovoltaic module (100) on the connection shaft (360).
  13. 13. The photovoltaic unit according to claim 11, characterized in that it further comprises a stiffener (380), the side frame (120) of the photovoltaic module (100) being provided with a cavity (121); The reinforcing piece (380) is filled in the cavity (121) of the side frame (120), and the connecting shaft (360) penetrates through the reinforcing piece (380).
  14. 14. The photovoltaic unit according to claim 13, characterized in that the side frame (120) of the photovoltaic module (100) further comprises a plurality of ribs (122) provided in the cavity (121), the stiffener (380) comprising a plurality of connection slots (381) corresponding to the plurality of ribs (122); the convex strips (122) extend along the length direction of the side frame (120) and a plurality of convex strips (122) are arranged along the extending direction of the connecting shaft (360); The convex strips (122) are respectively arranged at two opposite sides of the reinforcement (380).
  15. 15. A photovoltaic system comprising a bus bar arrangement and a plurality of photovoltaic units according to any one of claims 1 to 14; The converging device is electrically connected with the photovoltaic units so as to converge direct currents output by the photovoltaic units and transmit the direct currents to the energy storage device or the load power grid.

Description

Photovoltaic unit and photovoltaic system Technical Field The application relates to the technical field of photovoltaics, in particular to a photovoltaic unit and a photovoltaic system. Background The photovoltaic module is a core part of a solar power generation system, and is essentially a module for directly converting solar energy into electric energy. In the related art, the photovoltaic module is fixedly mounted on the carrying surface at a predetermined angle, which makes sand and dust easily accumulate on the surface of the photovoltaic module, thereby affecting the power generation efficiency of the photovoltaic module. Disclosure of Invention In view of the foregoing, it is desirable to provide a photovoltaic unit and a photovoltaic system that are beneficial to improving the power generation efficiency of a photovoltaic module. In a first aspect, embodiments of the present application provide a photovoltaic unit comprising a photovoltaic module, a suspension bracket, and a connection assembly, wherein: The connecting component is fixedly arranged on the suspension bracket; the connecting assembly is connected with the frame of the photovoltaic module in a hanging mode, so that the photovoltaic module is in a vertical state under the action of gravity and can swing. In some embodiments, the suspension brackets are disposed laterally above the photovoltaic module, and the connection assembly includes a first connection portion and a second connection portion. The first end of first connecting portion is fixed on the suspension bracket, and the second end of first connecting portion rotates with the first end of second connecting portion to be connected. The top frame of the photovoltaic module is suspended from the second end of the second connection portion such that the photovoltaic module can swing about an axis parallel to the top frame of the photovoltaic module. In some embodiments, the first end of the first connection portion includes a first securing member, a second securing member, and a first connection member. The first fixing piece and the second fixing piece are respectively positioned at two sides of the suspension bracket. The first connecting piece is located at the bottom side of the suspension bracket and is connected with the bottom of the first fixing piece and the bottom of the second fixing piece respectively. In some embodiments, the first end of the first connection portion further includes a first fastener, and a first stop and a second stop disposed on the first fastener. The first fastener penetrates through the first fixing piece, the suspension bracket and the second fixing piece. The first limiting piece is arranged on the outer side of the first fixing piece, and the second limiting piece is arranged on the outer side of the second fixing piece. In some embodiments, the second end of the first connection portion includes a vertical bar and a horizontal bar. The first end of montant and the bottom fixed connection of first connecting piece, the second end and the horizontal pole fixed connection of montant. The extending direction of the cross rod is parallel to the extending direction of the top frame of the photovoltaic module, and the first end of the second connecting part is hung on the cross rod and can rotate around the cross rod. In some embodiments, the second end of the first connection portion further includes a third stop. The third limiting piece is arranged at one end of the cross rod far away from the vertical rod so as to limit the displacement of the second connecting part on the cross rod. In some embodiments, the crossbar includes a cylindrical section. The second connecting portion comprises a first clamping piece and a second clamping piece. The first clamping piece comprises a first arc-shaped section matched with the cylindrical section. The second clamping piece comprises a second arc-shaped section matched with the cylindrical section. The first arc-shaped section and the second arc-shaped section are rotatably clamped on the cylindrical section. In some embodiments, the first clamp further includes a first extension segment and a first clamp segment formed by the first arcuate segment extending away from the rail. The second clamping piece further comprises a second extending section and a second clamping section which are formed by extending the second arc-shaped section in a direction away from the cross rod. One end of the first extension section is connected with the first arc-shaped section, and the other end is connected with the first clamping section. One end of the second extension section is connected with the second arc section, and the other end is connected with the second clamping section. The first clamping section and the second clamping section clamp and fix the top frame. In some embodiments, the second connection portion further includes a second fastener, and fourth and fifth stoppers provided on the second fastener. The