A photovoltaic energy supply system for cold storage outdoor units in near-zero energy buildings

By designing a photovoltaic energy supply system with automatic limiting, rapid disassembly and flexible adjustment, the problem of low worker operation efficiency in installation, disassembly and maintenance of photovoltaic power generation systems is solved, the energy efficiency and safety of photovoltaic panels are improved, and the photovoltaic panels are realized Always facing the sun's light energy conversion.

CN118826601BActive Publication Date: 2024-12-20JILIN INST OF ARCHITECTURE & TECH
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Patent Information

Application Number
CN202411061726.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2024-12-20
Estimated Expiration
2044-08-05

AI Technical Summary

Technical Problem

The existing photovoltaic power generation system is inefficient in operation during installation, disassembly and maintenance, and the photovoltaic panels are inconvenient to adjust, which affects energy efficiency and safety.

Method used

A photovoltaic energy supply system including disassembly devices, adjustment devices and protective devices is designed, using components such as triangular blocks, rotating shafts, transmission blocks, limit blocks, pull rods, hydraulic rods, support legs, connectors, sealing plates and springs. , realize automatic limiting, rapid disassembly, flexible adjustment and safety protection of photovoltaic panels.

Benefits of technology

Improve the efficiency of photovoltaic panel installation, disassembly and adjust, save workers' working time, reduce maintenance costs, ensure that the photovoltaic panels are always facing the sun, improve the photovoltaic panels and resource utilization, while enhancing safety and protection effects. .

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Abstract

The invention discloses a photovoltaic energy supply system applied to an outdoor unit of a cold storage in a near-zero energy building, and relates to the technical field of photovoltaic power generation. The photovoltaic energy supply system applied to an outdoor unit of a cold storage in a near-zero energy building comprises a cold storage room, an outdoor unit is fixedly installed on the surface of the cold storage room, a base is fixedly installed on the top of the cold storage room, the photovoltaic component is rotatably installed on the top of the base, the hollow box is fixedly installed on the surface of the photovoltaic component, the triangular block slides through the photovoltaic component, the rotating shaft is rotatably installed on the bottom of the inner wall of the hollow box, one end of the rotating block is fixedly installed on the circumferential surface of the rotating shaft, the other end of the rotating block is rotatably installed on the surface of the triangular block, the transmission block is fixedly installed on the circumferential surface of the rotating shaft, the movement of the triangular block will drive the rotating block to rotate, and there is no need to manually fix the photovoltaic panel, thereby saving workers' working time and improving work efficiency.
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Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic power generation, and in particular to a photovoltaic energy supply system applied to an outdoor unit of a cold storage in a near-zero energy consumption building. Background Art

[0002] The photovoltaic power supply system for the outdoor unit of the cold storage in a near-zero energy building is an innovative solution that aims to use solar energy to drive refrigeration equipment, thereby reducing the energy consumption and environmental impact of the building.

[0003] The patent with patent announcement number CN220629283U involves a high-efficiency distributed photovoltaic power generation and energy supply equipment, including a mounting seat, the top of the mounting seat is rotatably connected to a distributed photovoltaic power generation mechanism, the top of the distributed photovoltaic power generation mechanism is rotatably connected to a fill light panel, a dust removal mechanism is installed on one side of the distributed photovoltaic power generation mechanism, and adjustment components are installed at the connection between the mounting seat and the distributed photovoltaic power generation mechanism, and the distributed photovoltaic power generation mechanism and the fill light panel. The distributed photovoltaic power generation mechanism includes a mounting frame. After the distributed photovoltaic panel is inserted into the plug-in box, the limit frame and the mounting frame are fixed by bolts, so as to realize the fixed installation of the distributed photovoltaic panel. Compared with the prior art, the installation and disassembly of this patent is simpler and more convenient, and multiple distributed photovoltaic panels can be inserted into the corresponding plug-in boxes respectively, so as to realize the simultaneous installation of multiple distributed photovoltaic panels, which greatly improves the installation efficiency of distributed photovoltaic panels.

[0004] In the above patent, multiple distributed photovoltaic panels can be inserted into corresponding plug-in boxes respectively, so that multiple distributed photovoltaic panels can be installed at the same time, which greatly improves the installation efficiency of distributed photovoltaic panels. However, after the photovoltaic panels are installed, they need to be fixed, and when the photovoltaic panels are inspected and replaced, the contact and fixation are relatively time-consuming, which greatly reduces the work efficiency of workers. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a photovoltaic energy supply system applied to an outdoor unit of a cold storage in a near-zero energy consumption building, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy consumption building, comprising a cold storage room, a safety door is provided on the surface of the cold storage room, an outdoor unit is fixedly installed on the surface of the cold storage room, a fan is provided inside the outdoor unit, a base is fixedly installed on the top of the cold storage room, and a disassembly device, an adjustment device and a protection device are provided on the top of the cold storage room;

[0007] The disassembling device comprises: a photovoltaic component, a hollow box, a triangular block, a rotating shaft, a rotating block, a transmission block, a limit block, a baffle and a pull rod, wherein the photovoltaic component is rotatably mounted on the top of the base, the hollow box is fixedly mounted on the surface of the photovoltaic component, the triangular block slides through the hollow box, the triangular block slides through the photovoltaic component, the rotating shaft is rotatably mounted on the bottom of the inner wall of the hollow box, one end of the rotating block is fixedly mounted on the circumferential surface of the rotating shaft, the other end of the rotating block is rotatably mounted on the surface of the triangular block, the transmission block is fixedly mounted on the circumferential surface of the rotating shaft, the limit block is slidably mounted on the top of the photovoltaic component, the limit block slides through the inner and outer walls of the hollow box, the baffle is fixedly mounted on the top and bottom of the limit block, a sliding groove is provided on the top of the hollow box, the pull rod is fixedly mounted on the top of the limit block, and the pull rod is slidably mounted on the inner wall of the sliding groove, the movement of the triangular block will drive the rotating block to rotate, the rotation of the rotating block will drive the rotating shaft to rotate, the rotation of the rotating shaft will drive the transmission block to rotate, and the rotation of the transmission block will contact the limit block.

[0008] According to the above technical solution, a No. 1 spring is arranged between the triangular block and the hollow box, the transmission block contacts the limit block, and the triangular block is driven to reset by the No. 1 spring.

[0009] According to the above technical solution, a No. 2 spring is arranged between the baffle and the hollow box, and a square groove is opened at the bottom of the hollow box, and the baffle is driven to reset by the No. 2 spring.

[0010] According to the above technical scheme, the adjustment device includes: a hollow column, a support leg, a connecting piece, a hydraulic rod and a control button. The hollow column is fixedly installed on the top of the cold storage room, the support leg is slidably installed on the inner wall of the hollow column, the connecting piece is fixedly installed on the bottom of the photovoltaic module, and the connecting piece is rotatably installed on the surface of the supporting leg. The hydraulic rod is fixedly installed on the top of the cold storage room, and the output end of the hydraulic rod is fixedly installed on the bottom of the supporting leg. The control button is arranged on the surface of the outdoor unit, and the control button is electrically connected to the hydraulic rod. The movement of the supporting leg will drive the connecting piece to rotate, and the rotation of the connecting piece will drive the photovoltaic module to rotate toward the bottom. The rotation of the photovoltaic module will drive the photovoltaic panel to rotate, and the direction and rotation angle of the photovoltaic module can be adjusted by the control button.

[0011] According to the above technical solution, the adjustment device also includes: a limit rod and a limit groove, the limit rod is fixedly installed on the bottom of the triangular block, the limit rod is slidably installed on the inner wall of the square groove, and the limit groove is opened on a side of the connecting part close to the hollow box. When the triangular block moves toward the direction of the photovoltaic panel, the movement of the triangular block will drive the limit rod to move, the movement of the limit rod will release the limit groove, and the movement of the limit rod will be stuck in the inside of the limit groove, so that when the photovoltaic panel is disassembled, the photovoltaic component cannot rotate.

[0012] According to the above technical solution, the limiting rod is in contact with the limiting groove, a limiting rivet is provided between the supporting leg and the connecting member, and the limiting rod is limited by the limiting groove.

[0013] According to the above technical solution, the protective device includes: an inflatable box, a sealing plate, a long transmission rod, a buffer plate and an air outlet. The inflatable box is fixedly installed on the top of the cold storage room, the sealing plate is slidably installed on the inner wall of the inflatable box, the long transmission rod is fixedly installed on the top of the sealing plate, the buffer plate is fixedly installed on the top of the long transmission rod, and the air outlet is opened on the surface of the inflatable box. The movement of the buffer plate will drive the long transmission rod to move, and the movement of the long transmission rod will drive the sealing plate to move to the bottom. The movement of the sealing plate will slowly discharge the air in the inflatable box through the air outlet.

[0014] According to the above technical solution, a No. 3 spring is arranged between the sealing plate and the inflation box, the buffer plate is in contact with the photovoltaic component, and the sealing plate is driven to reset by the No. 3 spring.

[0015] The present invention provides a photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy consumption building. It has the following beneficial effects:

[0016] (1) The invention drives the rotating shaft to rotate by the triangular block, and the rotating shaft drives the limit block to move, so that when the photovoltaic panel is installed, the photovoltaic panel will be automatically limited, and there is no need to manually fix the photovoltaic panel, which saves workers' working time and improves work efficiency. By pulling the pull rod, the pull rod drives the limit block to move, so that the photovoltaic panel can be quickly disassembled, saving working time, improving work efficiency and reducing maintenance costs. The spring drives the triangular block and the baffle to reset, so that after the photovoltaic panel is disassembled, the device will return to its initial state, which will not hinder the subsequent installation and fixation of the photovoltaic panel, thereby improving the practicality of the device.

[0017] (2) This invention uses a hydraulic rod to drive the support foot to move, and the support foot drives the photovoltaic module to rotate. The photovoltaic module can be adjusted according to the change in the position of the sun, so that the photovoltaic panel can always face the sun during sunshine hours, thereby improving the conversion efficiency of light energy to electrical energy and the utilization rate of resources. The limit rod is driven to move by the triangular block, and the limit rod is stuck in the limit groove, so that when the photovoltaic panel is disassembled, the photovoltaic module cannot be rotated, preventing injuries to workers when adjusting the position of the photovoltaic panel, thereby improving the safety and protection of workers at work.

[0018] (3) The movement of the photovoltaic panel will drive the buffer plate to move toward the bottom, the movement of the buffer plate will drive the long transmission rod to move, the movement of the long transmission rod will drive the sealing plate to move toward the bottom, the movement of the sealing plate will slowly discharge the air in the inflation box through the air outlet, so that the speed of the sealing plate moving toward the bottom is reduced. When the hydraulic rod stops working or the supporting leg is damaged, the device can reduce the descending speed of the photovoltaic module, prevent the photovoltaic panel from falling quickly and causing damage to the photovoltaic panel, and improve the protection effect and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the positional relationship between the base and the photovoltaic module of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of the disassembling device of the present invention;

[0022] Figure 4 This is a schematic diagram of the structural relationship between the position of the triangular block and the limiting rod of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the regulating device of the present invention;

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the hollow column of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the protective device of the present invention;

[0026] Figure 8 It is the work flow chart of the present invention.

[0027] In the figure: 1. cold storage room; 2. safety door; 3. outdoor unit; 4. fan; 5. base; 61. photovoltaic module; 62. hollow box; 63. triangular block; 64. rotating shaft; 65. rotating block; 66. transmission block; 67. limit block; 68. baffle; 69. pull rod; 610. spring No. 1; 611. spring No. 2; 71. hollow column; 72. supporting leg; 73. connecting piece; 74. hydraulic rod; 75. control button; 76. limit rod; 77. limit groove; 81. inflatable box; 82. sealing plate; 83. transmission long rod; 84. buffer plate; 85. air outlet; 86. spring No. 3. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 8 , one embodiment of the present invention is: a photovoltaic energy supply system for a cold storage outdoor unit of a near-zero energy building, comprising a cold storage room 1, a safety door 2 is provided on the surface of the cold storage room 1, an outdoor unit 3 is fixedly installed on the surface of the cold storage room 1, a fan 4 is provided inside the outdoor unit 3, a base 5 is fixedly installed on the top of the cold storage room 1, and a disassembly device is provided on the top of the cold storage room 1;

[0030] The disassembly device includes: a photovoltaic assembly 61, a hollow box 62, a triangular block 63, a rotating shaft 64, a rotating block 65, a transmission block 66, a limiting block 67, a baffle 68 and a pull rod 69. The photovoltaic assembly 61 is rotatably mounted on the top of the base 5, the hollow box 62 is fixedly mounted on the surface of the photovoltaic assembly 61, the triangular block 63 slides through the hollow box 62, the triangular block 63 slides through the photovoltaic assembly 61, the rotating shaft 64 is rotatably mounted on the bottom of the inner wall of the hollow box 62, and one end of the rotating block 65 is fixedly mounted on the circumference of the rotating shaft 64. The other end of the rotating block 65 is rotatably mounted on the surface of the triangular block 63, the transmission block 66 is fixedly mounted on the circumferential surface of the rotating shaft 64, the limit block 67 is slidably mounted on the top of the photovoltaic component 61, the limit block 67 slides through the inner and outer walls of the hollow box 62, and the baffle 68 is fixedly mounted on the top and bottom of the limit block 67, so that when the photovoltaic panel is installed, the device will automatically limit the photovoltaic panel, and there is no need to manually fix the photovoltaic panel, which saves workers' working time and improves work efficiency. A sliding groove is provided on the top, and a pull rod 69 is fixedly installed on the top of the limit block 67. The pull rod 69 is slidably installed on the inner wall of the sliding groove, so that the photovoltaic panel can be quickly disassembled, saving working time, improving work efficiency, and reducing maintenance costs. The photovoltaic component 61 is composed of some cables and photovoltaic panels. The refrigeration system is mainly composed of an outdoor unit and an indoor unit. The municipal power grid is mainly composed of an AC distribution cabinet and some electric meters. The photovoltaic panel directly supplies power to the cold storage outdoor unit without the need for batteries, thereby reducing the energy loss and corresponding cost of the system. The photovoltaic component 61 adopts a series connection of 12 photovoltaic panels, and the power of each photovoltaic panel is 265W. This is done to meet the requirements of the cold storage outdoor unit for 220V voltage and 33A current. Therefore, the photovoltaic installed capacity is 3kW and can be adjusted. The received sunlight is converted into direct current by the photovoltaic array through photoelectric conversion, and then transmitted to the DC distribution box. After the solar radiation reaches the system electrical load requirement, the photovoltaic direct current is converted into alternating current through the inversion process to drive the refrigeration cycle variable frequency compressor to work.

[0031] A No. 1 spring 610 is arranged between the triangular block 63 and the hollow box 62 , and the transmission block 66 is in contact with the limit block 67 , and the triangular block 63 is driven to reset by the No. 1 spring 610 .

[0032] A No. 2 spring 611 is provided between the baffle 68 and the hollow box 62 . A square groove is provided at the bottom of the hollow box 62 , and the No. 2 spring 611 drives the baffle 68 to reset.

[0033] When the present embodiment is working: the photovoltaic panel is aligned with the groove of the photovoltaic assembly 61, and then the photovoltaic panel is pressed toward the bottom. The photovoltaic panel moves toward the bottom and contacts the triangular block 63. The movement of the photovoltaic panel will push the triangular block 63 to move away from the base 5. The movement of the triangular block 63 will drive the rotating block 65 to rotate. The rotation of the rotating block 65 will drive the rotating shaft 64 to rotate. The rotation of the rotating shaft 64 will drive the transmission block 66 to rotate. The rotation of the transmission block 66 will contact the limit block 67. The rotation of the transmission block 66 will push the limit block 67 to move toward the direction of the photovoltaic panel. The movement of the limit block 67 will limit the photovoltaic panel, so that the photovoltaic panel cannot continue to move. When the photovoltaic panel is installed, the device will automatically limit the photovoltaic panel, and there is no need to manually fix the photovoltaic panel, which saves workers' working time and improves work efficiency. When the photovoltaic panel needs to be repaired and replaced, the pull rod 69 is manually pulled in the direction away from the photovoltaic panel, and the movement of the pull rod 69 will drive the limit When block 67 moves, the movement of limit block 67 will contact transmission block 66. The movement of limit block 67 will drive transmission block 66 to rotate. The rotation of transmission block 66 will drive rotating shaft 64 to rotate. The rotation of rotating shaft 64 will drive rotating block 65 to rotate. The rotation of rotating block 65 will drive triangular block 63 to move toward the square of photovoltaic panel. The movement of triangular block 63 will lift up the photovoltaic panel, so that the photovoltaic panel can be disassembled quickly, saving working time, improving working efficiency and reducing maintenance cost. The baffle 68 is driven to move away from the photovoltaic panel by the reset of No. 2 spring 611. The movement of baffle 68 will drive the limit block 67 to move. The reset of No. 1 spring 610 drives the triangular block 63 to move toward the direction of photovoltaic panel. The movement of triangular block 63 drives rotating block 65 to rotate. The rotation of rotating block 65 will drive rotating shaft 64 to rotate. After the disassembly of photovoltaic panel is completed, the device will return to its initial state, which will not hinder the subsequent installation and fixation of photovoltaic panel, thereby improving the practicality of the device.

[0034] See also Figure 1-Figure 8On the basis of the above embodiment, in another embodiment of the present invention, an adjusting device and a protective device are provided on the top of the cold storage room 1, wherein the adjusting device comprises: a hollow column 71, a supporting leg 72, a connecting piece 73, a hydraulic rod 74 and a control button 75, the hollow column 71 is fixedly mounted on the top of the cold storage room 1, the supporting leg 72 is slidably mounted on the inner wall of the hollow column 71, the connecting piece 73 is fixedly mounted on the bottom of the photovoltaic component 61, the connecting piece 73 is rotatably mounted on the surface of the supporting leg 72, the hydraulic rod 74 is fixedly mounted on the top of the cold storage room 1, the output end of the hydraulic rod 74 is fixedly mounted on the bottom of the supporting leg 72, the control button 75 is arranged on the surface of the outdoor unit 3, the control button 75 is electrically connected to the hydraulic rod 74, and the photovoltaic component 61 can be adjusted according to the change of the position of the sun, so that the photovoltaic panel can always face the sun during the sunshine time, thereby improving the conversion efficiency of light energy into electrical energy and the utilization rate of resources.

[0035] The adjustment device also includes: a limit rod 76 and a limit groove 77. The limit rod 76 is fixedly installed at the bottom of the triangular block 63, and the limit rod 76 is slidably installed on the inner wall of the square groove. The limit groove 77 is opened on a side of the connecting piece 73 close to the hollow box 62 to prevent injuries to the workers when adjusting the position of the photovoltaic panel, thereby improving the safety and protection of the workers at work.

[0036] The limiting rod 76 is in contact with the limiting groove 77 , and a limiting rivet is provided between the supporting leg 72 and the connecting member 73 , and the limiting rod 76 is limited by the limiting groove 77 .

[0037] The protective device includes: an air filling box 81, a sealing plate 82, a transmission long rod 83, a buffer plate 84 and an air outlet 85. The air filling box 81 is fixedly installed on the top of the cold storage chamber 1, the sealing plate 82 is slidably installed on the inner wall of the air filling box 81, the transmission long rod 83 is fixedly installed on the top of the sealing plate 82, the buffer plate 84 is fixedly installed on the top of the transmission long rod 83, and the air outlet 85 is opened on the surface of the air filling box 81. The device can reduce the descending speed of the photovoltaic module 61, prevent the photovoltaic panel from falling quickly and causing damage to the photovoltaic panel, and improve the protection effect and practicality of the device.

[0038] A No. 3 spring 86 is provided between the sealing plate 82 and the air filling box 81 , and the buffer plate 84 is in contact with the photovoltaic assembly 61 , and the No. 3 spring 86 drives the sealing plate 82 to reset.

[0039] When the present embodiment is working: the control button 75 is pressed, and the control button 75 starts the hydraulic rod 74. The output end of the hydraulic rod 74 moves toward the bottom, which drives the support leg 72 to move. The movement of the support leg 72 drives the connecting piece 73 to rotate. The rotation of the connecting piece 73 drives the photovoltaic assembly 61 to rotate toward the bottom. The rotation of the photovoltaic assembly 61 drives the photovoltaic panel to rotate. The orientation and rotation angle of the photovoltaic assembly 61 are adjusted by the control button 75. The photovoltaic assembly 61 can be adjusted according to the change of the position of the sun, so that the photovoltaic panel can always face the sun during the sunshine time, thereby improving the conversion efficiency of light energy to electrical energy and the utilization rate of resources. When the triangular block 63 moves toward the direction of the photovoltaic panel, the movement of the triangular block 63 drives the limit rod 76 to move. The movement of the limit rod 76 releases the limit groove 77. The movement of the limit rod 76 is stuck in the inside of the limit groove 77, so that when the photovoltaic panel is disassembled, the photovoltaic assembly 61 cannot rotate, thereby preventing the adjustment of the position of the photovoltaic panel from causing harm to the staff, thereby improving the safety and protection of the workers at work.

[0040] When the photovoltaic component 61 moves toward the bottom, the photovoltaic component 61 will contact the buffer plate 84, and the movement of the photovoltaic component 61 will drive the buffer plate 84 to move toward the bottom. The movement of the buffer plate 84 will drive the long transmission rod 83 to move, and the movement of the long transmission rod 83 will drive the sealing plate 82 to move toward the bottom. The movement of the sealing plate 82 will slowly discharge the air in the inflation box 81 through the air outlet 85, so that the speed of the sealing plate 82 moving toward the bottom is reduced, so that when the hydraulic rod 74 stops working or the supporting leg 72 is damaged, the device can reduce the descending speed of the photovoltaic component 61, prevent the photovoltaic panel from falling quickly and causing damage to the photovoltaic panel, and improve the protection effect and practicality of the device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy building, comprising a cold storage room (1), characterized in that: A safety door (2) is provided on the surface of the cold storage room (1), an outdoor unit (3) is fixedly mounted on the surface of the cold storage room (1), a fan (4) is provided inside the outdoor unit (3), a base (5) is fixedly mounted on the top of the cold storage room (1), and a disassembly device, an adjustment device and a protection device are provided on the top of the cold storage room (1); The disassembling device comprises: a photovoltaic assembly (61), a hollow box (62), a triangular block (63), a rotating shaft (64), a rotating block (65), a transmission block (66), a limiting block (67), a baffle (68) and a pull rod (69), wherein the photovoltaic assembly (61) is rotatably mounted on the top of the base (5), the hollow box (62) is fixedly mounted on the surface of the photovoltaic assembly (61), the triangular block (63) slides through the hollow box (62), the triangular block (63) slides through the photovoltaic assembly (61), the rotating shaft (64) is rotatably mounted on the bottom of the inner wall of the hollow box (62), and one end of the rotating block (65) is The rotating block (65) is fixedly mounted on the circumferential surface of the rotating shaft (64); the other end of the rotating block (65) is rotatably mounted on the surface of the triangular block (63); the transmission block (66) is fixedly mounted on the circumferential surface of the rotating shaft (64); the limit block (67) is slidably mounted on the top of the photovoltaic assembly (61); the limit block (67) slides through the inner and outer walls of the hollow box (62); the baffle (68) is fixedly mounted on the top and bottom of the limit block (67); a sliding groove is provided on the top of the hollow box (62); the pull rod (69) is fixedly mounted on the top of the limit block (67); and the pull rod (69) is slidably mounted on the inner wall of the sliding groove; The regulating device comprises: a hollow column (71), a supporting leg (72), a connecting piece (73), a hydraulic rod (74) and a control button (75); the hollow column (71) is fixedly mounted on the top of the cold storage chamber (1); the supporting leg (72) is slidably mounted on the inner wall of the hollow column (71); the connecting piece (73) is fixedly mounted on the bottom of the photovoltaic module (61); the connecting piece (73) is rotatably mounted on the surface of the supporting leg (72); the hydraulic rod (74) is fixedly mounted on the top of the cold storage chamber (1); the output end of the hydraulic rod (74) is fixedly mounted on the bottom of the supporting leg (72); the control button (75) is arranged on the surface of the outdoor unit (3); and the control button (75) is electrically connected to the hydraulic rod (74); The protective device comprises: an air filling box (81), a sealing plate (82), a transmission long rod (83), a buffer plate (84) and an air outlet (85); the air filling box (81) is fixedly mounted on the top of the cold storage chamber (1); the sealing plate (82) is slidably mounted on the inner wall of the air filling box (81); the transmission long rod (83) is fixedly mounted on the top of the sealing plate (82); the buffer plate (84) is fixedly mounted on the top of the transmission long rod (83); and the air outlet (85) is provided on the surface of the air filling box (81).

2. A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy building according to claim 1, characterized in that: A No. 1 spring (610) is provided between the triangular block (63) and the hollow box (62), and the transmission block (66) is in contact with the limit block (67).

3. A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy building according to claim 2, characterized in that: A No. 2 spring (611) is provided between the baffle (68) and the hollow box (62), and a square groove is provided at the bottom of the hollow box (62).

4. A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy building according to claim 1, characterized in that: The regulating device further comprises: a limiting rod (76) and a limiting groove (77), wherein the limiting rod (76) is fixedly mounted on the bottom of the triangular block (63), the limiting rod (76) is slidably mounted on the inner wall of the square groove, and the limiting groove (77) is provided on a side of the connecting piece (73) close to the hollow box (62).

5. A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy building according to claim 4, characterized in that: The limiting rod (76) is in contact with the limiting groove (77), and a limiting rivet is provided between the supporting leg (72) and the connecting member (73).

6. A photovoltaic energy supply system for a cold storage outdoor unit in a near-zero energy building according to claim 5, characterized in that: A third spring (86) is provided between the sealing plate (82) and the air filling box (81), and the buffer plate (84) is in contact with the photovoltaic assembly (61).