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CN-116054714-B - Foldable photovoltaic array and unfolding method thereof

CN116054714BCN 116054714 BCN116054714 BCN 116054714BCN-116054714-B

Abstract

The invention relates to a foldable photovoltaic array and an unfolding method thereof, belongs to the technical field of photovoltaic power generation, and solves the problems of large occupied area, complex operation and inconvenient withdrawal of the existing photovoltaic array. The foldable photovoltaic array comprises a photovoltaic module, a cabinet and a frame, wherein the frame is accommodated in the cabinet, the frame comprises a first frame, a second frame and a third frame which are sequentially hinged end to end, and the first frame, the second frame and the third frame can be mutually folded. The frame of the photovoltaic array can be folded and stored in the cabinet, so that the layout is compact, the occupied space is small, and the mobile transportation is convenient.

Inventors

  • BAI RUIXIANG
  • MA ZE

Assignees

  • 北京机械设备研究所

Dates

Publication Date
20260505
Application Date
20211028

Claims (5)

  1. 1. The foldable photovoltaic array is characterized by comprising a photovoltaic module (2), a cabinet (1) and a frame, wherein the frame is accommodated in the cabinet (1), the frame comprises a first frame (3), a second frame (4) and a third frame (5) which are hinged end to end in sequence, the first frame (3), the second frame (4) and the third frame (5) can be mutually folded, 2 photovoltaic panel supporting rods (9) are respectively arranged on two sides of the first frame (3), the second frame (4) and the third frame (5), and the photovoltaic module (2) comprises photovoltaic panels (21) which are arranged in a folding manner; the photovoltaic array further comprises a ground platform (11), the ground platform (11) is in butt joint with the bottom plate of the cabinet (1), and guide rails are arranged on the side face of the ground platform (11) and the bottom plate of the cabinet (1); The bottom of the first frame (3) is provided with a first roller (31), the middle parts of the left side and the right side of the second frame (4) are respectively hinged with a supporting rod (41), the bottom of the supporting rod (41) is provided with a second roller (42), and the first roller (31) and the second roller (42) can slide in the guide rails of the bottom plate and the ground platform (11) in the process of unfolding and accommodating the frame; The photovoltaic array further comprises connecting rods (10), wherein the photovoltaic panel supporting rods (9) and the connecting rods (10) can form a frame structure after being unfolded, and the free ends of the two photovoltaic panel supporting rods (9) positioned on the same side face of the same frame are connected through the connecting rods (10) after the photovoltaic panel supporting rods (9) are unfolded; The photovoltaic array further comprises a diagonal brace (13) and a side brace (12), one end of the diagonal brace (13) is supported on the third frame (5), the other end of the diagonal brace is supported on the cabinet (1), one end of the side brace (12) is supported on the second frame (4), and the other end of the side brace is fixedly connected with the ground; the photovoltaic module is characterized in that the frame is provided with a mounting plate (14), sliding strips (141) with T-shaped cross sections are arranged on two sides of the mounting plate (14), and a second sliding groove (15) matched with the sliding strips (141) is formed in the bottom of the photovoltaic module (2).
  2. 2. The foldable photovoltaic array according to claim 1, characterized in that the tops of the left and right side plates of the cabinet (1) are provided with a first chute (7), the top of the third frame (5) is provided with a third roller (51), and the third roller (51) is capable of sliding in the first chute (7).
  3. 3. The foldable photovoltaic array according to claim 1, further comprising a locking member (6) and a hold-down bar (8), the locking member (6) being located at the top of the first frame (3), the hold-down bar (8) being located at the bottom of the first frame (3).
  4. 4. The foldable photovoltaic array of claim 1, wherein the mounting plate (14) is further provided with a stepped locking pin (142) at the top along the length of the slider (141), the locking pin (142) passing through the mounting plate (14).
  5. 5. A method of unfolding a foldable photovoltaic array according to any one of claims 1 to 4, comprising the steps of: Step 1, paving a ground platform (11) on the ground and expanding a frame; step 2, installing diagonal braces (13) and side braces (12); step 3, unfolding the photovoltaic panel stay bar (9); And 4, expanding the photovoltaic module (2).

Description

Foldable photovoltaic array and unfolding method thereof Technical Field The invention relates to the technical field of photovoltaic power generation, in particular to a foldable photovoltaic array and an unfolding method thereof. Background The photovoltaic array convenient for maneuvering is mainly applied to occasions needing to temporarily use photovoltaic power generation, such as disaster relief sites, islands far from continents, desert elevations, camping sites, geological exploration sites and the like. When going to these sites to perform tasks, the photovoltaic modules are transported to the sites and the photovoltaic module arrangement is deployed. And (5) when returning or transferring to the next place to execute a task, packing the photovoltaic module for loading and transporting. This requires that the photovoltaic module be both convenient for storage and transport and for deployment and removal. The traditional photovoltaic array is arranged on a ground plane, in order to avoid mutual shielding between photovoltaic panels, a certain distance is required to be arranged between front and rear rows of the photovoltaic modules, and the occupied area is large. And most of them are laid out in a single piece, complicated operation, time and labor waste. Disclosure of Invention In view of the above analysis, the present invention aims to provide a foldable photovoltaic array and an unfolding method thereof, so as to solve the problems of large occupied area, complex operation and inconvenient withdrawal of the existing photovoltaic array. The aim of the invention is mainly realized by the following technical scheme: The utility model provides a folding photovoltaic array, includes photovoltaic module, rack and frame, the frame accomodate in the rack, the frame includes first frame, second frame and the third frame of head and tail articulated in proper order, first frame, second frame and third frame can fold each other. Further, the tops of the left side plate and the right side plate of the cabinet are provided with first sliding grooves, the top of the third frame is provided with third rollers, and the third rollers can slide in the first sliding grooves. Further, the device also comprises a locking piece and a pressing rod, wherein the locking piece is positioned at the top of the first frame, and the pressing rod is positioned at the bottom of the first frame. Further, the device also comprises a ground platform, wherein the ground platform is in butt joint with the bottom plate of the cabinet, and guide rails are arranged on the side face of the ground platform and the bottom plate of the cabinet. Further, a first roller is arranged at the bottom of the first frame, supporting rods are hinged to the middle parts of the left side and the right side of the second frame respectively, and a second roller is arranged at the bottom of each supporting rod. Further, the photovoltaic panel support rod and the connecting rod are unfolded to form a frame structure. Further, the device also comprises an inclined stay bar and a side stay bar, wherein one end of the inclined stay bar is supported on the third frame, the other end of the inclined stay bar is supported on the cabinet, one end of the side stay bar is supported on the second frame, and the other end of the side stay bar is fixedly connected with the ground. Further, the frame is provided with a mounting plate, sliding strips with T-shaped cross sections are arranged on two sides of the mounting plate, and a second sliding groove matched with the sliding strips is arranged at the bottom of the photovoltaic module. Further, a step-shaped locking nail is further arranged on the mounting plate along the top of the length direction of the sliding strip, and the locking nail penetrates through the mounting plate. The unfolding method of the foldable photovoltaic array according to the technical scheme is characterized by comprising the following steps of: Step 1, paving a ground platform on the ground and expanding a frame; step2, installing diagonal braces and side braces; Step 3, expanding a photovoltaic panel stay bar; and 4, unfolding the photovoltaic module. The invention can at least realize one of the following beneficial effects: (1) The foldable photovoltaic array provided by the invention has the advantages that the frame of the photovoltaic array can be folded and stored in the cabinet, the layout is compact, the occupied space is small, and the mobile transportation is convenient. (2) According to the foldable photovoltaic array, the total gravitational potential energy of the frame is basically kept unchanged in the unfolding process of the frame structure, so that the frame is unfolded only by overcoming the friction between moving components to do work, and the unfolding process is rapid and labor-saving. (3) The photovoltaic module adopts a modularized design, is integrally fixed with the frame, and can be independently carried a