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CN-121308654-B - Photovoltaic device, photovoltaic system and construction method of photovoltaic system

CN121308654BCN 121308654 BCN121308654 BCN 121308654BCN-121308654-B

Abstract

The application discloses a photovoltaic device, a photovoltaic system and a construction method of the photovoltaic system, and belongs to the technical field of photovoltaics. The photovoltaic device comprises at least one photovoltaic module group, a box body and a side wall, wherein a plurality of photovoltaic modules of the photovoltaic module group are sequentially hinged, rollers are arranged on at least one side of the photovoltaic module group, the rollers are suitable for being matched with module cables of a photovoltaic system in a rolling mode, the box body is arranged on the box body and comprises a base and the side wall, the base is provided with an anchoring point, the photovoltaic module group is supported on the base, the base is suitable for being arranged on a first side column of the photovoltaic system, and the side wall is detachably arranged on the base. According to the photovoltaic device disclosed by the application, a large number of complex and complicated construction links can be moved to the ground from high idling, the photovoltaic module group can be rapidly positioned and installed at high altitude, the wind area of the photovoltaic modules can be greatly reduced in strong wind weather by switching the photovoltaic modules between the folding state and the unfolding state, and the economy, the reliability and the durability of the photovoltaic system are improved.

Inventors

  • Dou lu
  • WANG CHENG
  • XIE XIAOYONG
  • CAI HE
  • XIA DENGFU

Assignees

  • 仁卓智能科技有限公司

Dates

Publication Date
20260508
Application Date
20251212

Claims (14)

  1. 1.A photovoltaic device, comprising: At least one photovoltaic module group (100), a plurality of photovoltaic modules (110) of the photovoltaic module group (100) are sequentially overlapped along a first direction, the photovoltaic module (110) at one side edge of the end part is hinged with the adjacent photovoltaic modules (110), two opposite side edges of the other photovoltaic modules (110) are respectively hinged with the adjacent two photovoltaic modules (110), the photovoltaic module group (100) is provided with a roller (180) at least one side, and the roller (180) is suitable for rolling fit with a module cable (700) of a photovoltaic system; The photovoltaic module group (100) is mounted on the box body (200), the box body (200) comprises a base (210) and a side wall (220), the base (210) is provided with an anchoring point (214), the photovoltaic module group (100) is supported on the base (210), the base (210) is suitable for being mounted on a first side column (411) of the photovoltaic system, the anchoring point (214) is used for anchoring the module cable (700) under the condition that the base (210) is mounted on the first side column (411), and the side wall (220) is detachably mounted on the base (210); An upper hinge (130) and a lower hinge (140), two photovoltaic modules (110) adjacent along the first direction being hinged by one of the upper hinge (130) and the lower hinge (140), and the upper hinge (130) and the lower hinge (140) being staggered one by one along the first direction, wherein, The photovoltaic module group (100) has a folded state in which the plurality of photovoltaic modules (110) are sequentially stacked in a first direction, the upper hinge (130) is located above the photovoltaic modules (110), the lower hinge (140) is located below the photovoltaic modules (110), and an unfolded state in which the plurality of photovoltaic modules (110) are sequentially hinged in the first direction, and a hinge axis (141) of the lower hinge is lower than a hinge axis (131) of the upper hinge.
  2. 2. The photovoltaic device of claim 1, wherein the photovoltaic device comprises, In the folded state, two photovoltaic modules (110) connected to the same lower hinge (140) are located between two hinge axes of the lower hinge (140); switching from the unfolded state to the folded state, the pair of component links (143) of the lower hinge (140) are pivoted in directions approaching each other.
  3. 3. The photovoltaic device according to claim 1, characterized in that the lower hinge (140) comprises: The hinge seat (142) is used for being installed on an assembly cable (700) of the photovoltaic system; a pair of module connectors (143) disposed opposite in the first direction are hinged to the hinge base (142) and have a connection structure (1431) for connection with the photovoltaic module (110).
  4. 4. A photovoltaic device according to claim 3, characterized in that, In the deployed state, the hinge axis of the assembly connection (143) and the hinge seat (142) is located below the connection structure (1431); and/or the number of the groups of groups, In the unfolded state, the distance between the two connection structures (1431) of the lower hinge (140) is smaller than the distance between the two hinge axes, the connection structures (1431) being located above the hinge axes.
  5. 5. The photovoltaic device according to any one of claims 1-4, wherein the base (210) comprises: A base body (211), the anchor points (214) being mounted to the base body (211); the support beam (212), support beam (212) pass through leveling foot (213) install in base body (211) is used for supporting photovoltaic module group (100).
  6. 6. The photovoltaic device according to claim 2, wherein within the photovoltaic module group (100), the rollers (180) are mounted to hinges (120) between adjacent photovoltaic modules (110).
  7. 7. The photovoltaic device according to claim 6, wherein the hinges (120) of the first side of the photovoltaic module group (100) are each provided with the roller (180) except the first one.
  8. 8. The photovoltaic device according to claim 6, characterized in that the hinge (120) at least partly mounting the roller (180) is provided with a limit bracket (190), and both sides of the corresponding roller (180) are provided with the limit brackets (190), the limit brackets (190) being adapted to be located on both sides of the assembly line (700) and spaced apart from the assembly line (700).
  9. 9. The photovoltaic device according to any of claims 1-4, characterized in that, Two adjacent photovoltaic modules (110) in the photovoltaic module group (100) are hinged through a first hinging piece (160); and/or the number of the groups of groups, In the case that the photovoltaic module group (100) comprises a plurality of photovoltaic module groups (100), the plurality of photovoltaic module groups (100) are distributed along the second direction, two adjacent photovoltaic modules (110) in the photovoltaic module group (100) are hinged at the vertex angle through a compound hinge (170), and the compound hinge (170) is also connected with the photovoltaic modules (110) adjacent along the second direction.
  10. 10. A photovoltaic system, comprising: A first edge support structure (410) comprising a first edge post (411) and a base (210) of a photovoltaic device according to any one of claims 1-9; a second edge support structure (420); -an assembly cable (700) connected between the first side support structure (410) and the second side support structure (420), the assembly cable (700) being anchored to an anchor point (214) of the base (210); the at least one photovoltaic module group (100) of a photovoltaic device according to any one of claims 1-9, the roller (180) of the photovoltaic device being supported to the module cable (700), the photovoltaic module group (100) of a photovoltaic device being adapted to switch between an unfolded state and a folded state.
  11. 11. The photovoltaic system of claim 10, further comprising: and the assembly cable (700) is installed on the middle supporting structure (430) through a hoop (434).
  12. 12. The photovoltaic system of claim 10, further comprising: and a driving mechanism (800) mounted on at least one of the first side supporting structure (410) and the second side supporting structure (420) for driving the photovoltaic module group (100) to switch between an unfolded state and a folded state.
  13. 13. The photovoltaic system according to claim 12, wherein the drive mechanism (800) comprises: A power source (830) mounted to the first side support structure (410); a first driving wheel (810) in power coupling connection with the power source (830); A second drive wheel (820) mounted to the second rim support structure (420); A driving rope (840) wound around the first driving wheel (810) and the second driving wheel (820); a traction head (850) mounted to the drive cable (840); a traction bracket (860) mounted to the photovoltaic module (110) proximate the second side support structure (420) and hinged to the traction head (850).
  14. 14. A method of constructing a photovoltaic system as claimed in any one of claims 10 to 13, comprising: lifting the photovoltaic device to the first side upright (411), and mounting the base (210) to the first side upright (411); Tensioning the assembly cable (700), anchoring the assembly cable (700) to the anchoring point (214), and disassembling the side wall (220); -unwinding the photovoltaic module group (100) along the module cable (700).

Description

Photovoltaic device, photovoltaic system and construction method of photovoltaic system Technical Field The application belongs to the technical field of photovoltaics, and particularly relates to a photovoltaic device, a photovoltaic system and a construction method of the photovoltaic system. Background In the photovoltaic system, along with the improvement of the power and efficiency requirements of the photovoltaic module, the single size and weight of the photovoltaic module are increased. In the related art, the photovoltaic support is firstly constructed on site, the photovoltaic support is higher in height, when a plurality of photovoltaic modules are installed at high altitude, the photovoltaic modules are required to be lifted to the corresponding positions of the module cables along the length direction one by one for installation, the links such as high altitude positioning and installation fixing of the plurality of photovoltaic modules are inconvenient to operate, the process is complex and tedious, the whole operation flow efficiency is low, the construction progress is influenced, and the labor cost and the safety risk are high. In addition, in order to cope with the strong wind environment, in the related art, a large number of trusses and various wind-resistant structures are additionally arranged on the photovoltaic support, however, the cost of the photovoltaic system is increased by the design, the actual protection effect of the structures is still limited when the structures face extreme weather, and the overall wind-resistant economy and reliability of the design are not high. Disclosure of Invention The present application is directed to solving at least one of the technical problems existing in the related art. Therefore, the photovoltaic device, the photovoltaic system and the construction method of the photovoltaic system can move a large number of complex and complicated construction links from high idling to the ground, and enable the photovoltaic module group to be stably installed at a preset working position, so that the construction efficiency, convenience, safety and economy are improved. In a first aspect, the present application provides a photovoltaic device comprising: the photovoltaic modules are sequentially stacked along a first direction, the photovoltaic modules at the end part are hinged with the adjacent photovoltaic modules at one side, two opposite sides of the other photovoltaic modules are respectively hinged with the two adjacent photovoltaic modules, at least one side of the photovoltaic module is provided with a roller, and the roller is suitable for rolling fit with a module cable of a photovoltaic system; The photovoltaic module group is arranged on the box body, the box body comprises a base and a side wall, the base is provided with an anchor point, the photovoltaic module group is supported on the base, the base is suitable for being arranged on a first side column of the photovoltaic system, and the side wall is detachably arranged on the base. According to the photovoltaic device, the photovoltaic modules are sequentially hinged and overlapped and installed on the box body, the pre-installation of the photovoltaic modules can be primarily completed in the ground area, a large number of complex and complicated construction links are moved to the ground from high idle running, the photovoltaic module group can be rapidly positioned and installed, links and time of high-altitude operation are reduced, construction efficiency, convenience, safety and economy are improved, the photovoltaic module group can be stably unfolded to a preset working position by arranging the rollers on the photovoltaic module group, rapid and accurate posture adjustment and positioning of the photovoltaic modules are facilitated, the windward area of the photovoltaic modules can be greatly reduced in strong wind weather by switching the photovoltaic modules between the folded state and the unfolded state, and the damage risk of wind load to the structure is effectively reduced, so that the economy, reliability and durability of a photovoltaic system are improved. According to one embodiment of the application, the base comprises: the base body is provided with the anchoring points; the supporting beam is arranged on the base body through leveling feet and is used for supporting the photovoltaic module group. According to one embodiment of the application, the rollers are mounted to hinges between adjacent photovoltaic modules within the photovoltaic module group. According to one embodiment of the application, the hinges on the first side of the photovoltaic module are each provided with the roller, except for the first one. According to one embodiment of the application, the hinge part, at least part of which is provided with the roller, is provided with limit brackets, and both sides of the corresponding roller are provided with limit brackets, which are adapted to be loca