Fixed photovoltaic power generation square matrix support

Abstract

The invention discloses a fixed photovoltaic power generation square matrix support, and relates to the technical field of solar energy industry, the fixed photovoltaic power generation square matrix support comprises a photovoltaic panel and four counterweight seats, and further comprises support columns respectively arranged on the corresponding counterweight seats in a sliding manner, and a slow sliding assembly is arranged between each support column and the corresponding counterweight seat; the slow sliding assembly is used for enabling the supporting column to slowly slide relative to the counterweight seat; the reinforcing frame is fixedly installed among the four counterweight seats, a wind power lifting assembly matched with the photovoltaic panel is installed on the reinforcing frame, and the wind power lifting assembly is used for enabling the photovoltaic panel to move up and down relative to the ground. The device has the advantages that the photovoltaic panel can be driven by wind power to automatically move downwards in fierce wind weather, so that the overall gravity center is lowered, the stability is improved, serious loss caused by blowing down by strong wind is avoided, accumulated rainwater can be automatically used for cleaning the surface of the photovoltaic panel in the downward moving process, and the service life of the photovoltaic panel is prolonged. And the power generation efficiency of the photovoltaic panel in subsequent use is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of solar energy industry, and in particular to a fixed photovoltaic power generation array bracket. Background Art

[0002] A photovoltaic power generation array refers to a system composed of multiple photovoltaic panels arranged in a certain way that converts solar energy into electrical energy. It is an important technology to promote the development of global renewable energy and is of great significance to achieving a low-carbon economy and sustainable development.

[0003] When installing a photovoltaic power generation array, a mounting bracket is essential. At the same time, in order to prevent the photovoltaic panels from being blocked by shadows from surrounding buildings, trees and other obstacles, which may reduce the power generation efficiency, the mounting bracket needs to have a certain height.

[0004] The higher the height of the bracket, the higher its center of gravity will be. This leads to insufficient stability in certain harsh environments. For example, in windy weather, the photovoltaic power generation array will topple over and be damaged, causing serious losses. Therefore, it is necessary to design a fixed photovoltaic power generation array bracket to improve its stability in harsh environments while ensuring the power generation efficiency and performance of the photovoltaic panels. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a fixed photovoltaic power generation array bracket, which solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A fixed photovoltaic power generation array support, comprising a photovoltaic panel and four counterweight seats, and also comprising:

[0008] Support columns are slidably arranged on the corresponding counterweight seats, and a slow-sliding assembly is installed between each support column and the corresponding counterweight seat, and the slow-sliding assembly is used to enable the support column to slide slowly relative to the counterweight seat;

[0009] A reinforcement frame fixedly mounted between the four counterweight seats, on which a wind lifting assembly matching the photovoltaic panel is mounted, the wind lifting assembly being used to enable the photovoltaic panel to move up and down relative to the ground;

[0010] A protective frame is fixedly installed between the four counterweight seats, and a cleaning component matched with the photovoltaic panel is installed between the protective frame and the four counterweight seats. The cleaning component is used to clean the surface of the photovoltaic panel.

[0011] Furthermore, the length of the two support columns at the front end is smaller than that of the two support columns at the rear end, and a connecting plate is fixedly installed between every two support columns corresponding to the front and rear positions, the photovoltaic panel is fixedly installed between the two connecting plates, and a connecting plate is also fixedly installed in the middle position of the bottom of the photovoltaic panel.

[0012] Furthermore, the deceleration sliding assembly includes a connecting seat fixedly mounted on the counterweight seat, and a fixing column is fixedly mounted on the top of the connecting seat, a connecting groove is opened on the fixing column, and a connecting column fixedly connected to the support column is slidably mounted in the connecting groove, a spring is installed between the bottom of the connecting column and the connecting groove, a damping ring tightly attached to the side wall of the fixing column is fixedly mounted on the connecting column, and the cross-sections of the connecting column and the connecting groove are both square.

[0013] Furthermore, vertical blocks are fixedly installed between the front and rear side walls of the connecting column and the damping ring, and vertical grooves matching the corresponding vertical blocks are opened on the front and rear side walls of the fixed column, and the two vertical grooves are interconnected with the connecting groove.

[0014] Furthermore, the wind lifting assembly includes a mounting column fixedly mounted on the reinforcement frame, and a rotating rod is rotatably mounted on the mounting column through a bearing, a screw is fixedly mounted on the rotating rod, a threaded sleeve matching the screw thread is fixedly mounted on the bottom of the connecting plate located in the middle, a fixing ring is fixedly mounted on the outside of the rotating rod, and a plurality of fan blades are fixedly mounted on the side wall of the fixing ring.

[0015] Furthermore, the fan blades are arranged obliquely, and the edges of one side of the fan blades are all arc-shaped, and reinforcing ribs are fixedly installed between the plurality of fan blades.

[0016] Furthermore, a mounting rod is fixedly installed between the protection frame and each connecting seat.

[0017] Furthermore, the cleaning component includes a water storage seat fixedly installed between a plurality of counterweight seats, and a pressure plate is sealingly and slidably installed in the water storage seat, a water storage tank is provided in the protective frame, and a flat water spray outlet is opened on the side of the water storage tank close to the photovoltaic panel, and a plurality of water outlet pipes are connected between the water storage tank and the water storage seat, two pressing columns slidingly arranged with the water storage seat are fixedly installed on the upper end of the pressure plate, and two pressing rods corresponding to the positions of the corresponding pressing columns are fixed on the bottom of the connecting plate located in the middle.

[0018] Furthermore, a water collecting frame is fixedly mounted on the front end side wall of the water storage seat via a water storage pipe, and a filter screen is fixedly mounted on the water collecting frame.

[0019] Furthermore, an initial spacing between the bottom of the pressing rod and the inner wall of the bottom of the water storage seat is greater than or equal to the depth of the connecting groove.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] 1: The fixed photovoltaic power generation array bracket has the advantage of automatically lowering its own center of gravity to improve stability in windy weather. Specifically, through the design of the wind lifting component, the higher wind force can be converted into the downward driving force of the photovoltaic panel, thereby completing the action of lowering the overall center of gravity.

[0022] 2: The fixed photovoltaic power generation array bracket has the advantage of automatically cleaning the surface of the photovoltaic panel during the process of lowering the center of gravity. Specifically, through the cooperation of the cleaning component and the wind lifting component, the downward movement of the photovoltaic panel can be used as a drive to spray out the accumulated rainwater to achieve the cleaning of the surface of the photovoltaic panel, thereby effectively improving the power generation efficiency of the photovoltaic panel during subsequent use.

[0023] 3: The fixed photovoltaic power generation array bracket has the advantage of maintaining an effective height under normal circumstances to ensure power generation efficiency and performance. Specifically, through the design of the slow sliding component, when the wind is small or disappears, the photovoltaic panel can be automatically moved up and reset slowly and smoothly to a predetermined height to avoid being blocked by the shadows of surrounding buildings or trees and reducing power generation efficiency.

[0024] 4: The fixed photovoltaic power generation array bracket has the advantages of high degree of automation, energy saving and environmental protection. Specifically, through the design of wind lifting components, cleaning components and water collection frames, it can automatically adjust the height of the photovoltaic panels by utilizing external wind changes and use the accumulated rainwater for cleaning. No human intervention is required, which effectively makes rational use of natural resources.

[0025] In summary, the present invention can use wind power as a drive to automatically move the photovoltaic panels downward in windy weather, thereby lowering the overall center of gravity and improving stability, avoiding being blown down by strong winds and causing serious losses. In addition, during the downward movement of the photovoltaic panels, the accumulated rainwater can be automatically used to clean their surfaces, effectively improving the power generation efficiency of the photovoltaic panels during subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of a fixed photovoltaic power generation array support proposed by the present invention;

[0027] Figure 2 for Figure 1 A schematic diagram of the structure of multiple counterweight seats and their connection structures;

[0028] Figure 3 for Figure 1 A schematic diagram of the structure of the middle protection frame and its connection structure;

[0029] Figure 4 for Figure 2 Schematic diagram of structural decomposition;

[0030] Figure 5 for Figure 4 Schematic diagram of the structure after being deflected upwards by a certain angle;

[0031] Figure 6 for Figure 5 An enlarged schematic diagram of the structure of the middle screw and its connection structure;

[0032] Figure 7 for Figure 5 Schematic diagram of the structural connection at the middle damping ring;

[0033] Figure 8 for Figure 3 Schematic diagram of structural decomposition;

[0034] Fig. 9 for Figure 8 Schematic diagram of the structure of the middle protection frame.

[0035] In the figure: 1. Photovoltaic panel; 2. Counterweight seat; 3. Connecting seat; 4. Fixed column; 5. Connecting column; 6. Support column; 7. Connecting plate; 8. Reinforcement frame; 9. Mounting column; 10. Screw; 11. Threaded sleeve; 12. Connecting groove; 13. Spring; 14. Vertical groove; 15. Vertical block; 16. Damping ring; 17. Rotating rod; 18. Fan blade; 19. Reinforcing rib; 20. Mounting rod; 21. Protective frame; 22. Water storage seat; 23. Flat water outlet; 24. Water outlet pipe; 25. Pressing plate; 26. Pressing column; 27. Pressing rod; 28. Water collecting frame; 29. ​​Water storage pipe; 30. Filter. DETAILED DESCRIPTION

[0036] Reference Figure 1-Figure 9 A fixed photovoltaic power generation array bracket includes a photovoltaic panel 1 and four counterweight seats 2. The counterweight seat 2 is a base with a certain weight, which is used to increase the weight of the bottom of the bracket and move its overall center of gravity downward, thereby improving the stability of the bracket placement. The counterweight seat 2 is made of concrete.

[0037] A connecting seat 3 is fixedly installed on the upper end of each counterweight seat 2, a fixing column 4 is fixedly installed on the top of each connecting seat 3, a connecting column 5 is installed on each fixing column 4, and a supporting column 6 is fixedly installed on the top of each connecting column 5. The length of the two supporting columns 6 at the front end is smaller than the two supporting columns 6 at the rear end, and a connecting plate 7 is fixed between every two supporting columns 6 corresponding to the front and rear positions. Since the lengths of the front and rear support columns 6 are different, the connecting plate 7 is inclined. The photovoltaic panel 1 is fixed between the two connecting plates 7, and the fixation between the photovoltaic panel 1 and the connecting plate 7 can be fixed by bolts or by a photovoltaic clamp.

[0038] The photovoltaic panel 1 is tilted between the two connecting plates 7. Since the orbit of the earth around the sun is tilted, the angle of sunlight changes with the season and time. The tilted photovoltaic panel 1 can better match the incident angle of sunlight, thereby receiving more solar radiation throughout the year and optimizing its power generation efficiency and performance. In addition, the tilted photovoltaic panel 1 can also reduce the time that snow covers it, and can better reduce the accumulation of dust and dirt on it when it is washed by rain, which helps to maintain the high efficiency of the photovoltaic panel 1.

[0039] A connecting plate 7 is also fixed in the middle position at the bottom of the photovoltaic panel 1, and a threaded sleeve 11 is fixedly installed in the middle position at the bottom of the connecting plate 7. A reinforcement frame 8 is fixedly installed between the four counterweight seats 2. The design of the reinforcement frame 8 can realize the connection between the four counterweight seats 2, thereby further improving the stability of the bracket. A mounting column 9 is fixedly installed on the top of the reinforcement frame 8. A rotating rod 17 is rotatably installed on the mounting column 9 through a bearing, and a screw 10 is fixedly installed at the bottom of the rotating rod 17. At the same time, the screw 10 and the threaded sleeve 11 are threadedly connected. Each fixing column 4 is provided with a connecting groove 12 that matches the corresponding connecting column 5. The cross-sections of the connecting column 5 and the connecting groove 12 are both square. Under the cooperation of the connecting column 5 and the connecting groove 12, the supporting column 6 can move up and down relative to the fixing column 4. Therefore, when the screw 10 rotates, the photovoltaic panel 1 can be moved up and down relative to the ground through its cooperation with the threaded sleeve 11. When the photovoltaic panel 1 moves down, the center of gravity of the bracket moves down again, which can further improve its stability.

[0040] Vertical blocks 15 are fixedly installed on the front and rear side walls of the connecting column 5, and a damping ring 16 is fixedly installed between each vertical block 15. The damping ring 16 is tightly attached to the outer wall of the fixing column 4. The damping ring 16 can be made of a material with high surface friction. Through its tight contact with the surface of the fixing column 4, the movement resistance between the connecting column 5 and the fixing column 4 can be greatly improved. Two vertical grooves 14 matching the corresponding vertical blocks 15 are provided on the side wall of the fixing column 4. A spring 13 is installed between the bottom of the connecting column 5 and the connecting groove 12. After the screw 10 is rotated by an external force to cause the photovoltaic panel 1 to move downward, the downward movement of the connecting column 5 will squeeze the spring 13. When the screw When the external force on the rod 10 disappears, the elastic force of the spring 13 will apply an upward force to the connecting column 5, so the photovoltaic panel 1 will be subjected to an upward force at the same time. However, under the threaded cooperation between the screw 10 and the threaded sleeve 11 and the damping action of the damping ring 16 and the fixing column 4, the elastic release of the spring 13 will be slow, so that the photovoltaic panel 1 can be slowly moved up and reset, avoiding damage to internal components or loosening of the fixings with the connecting plate 7 due to its rapid up and down movement. In addition, under the action of resistance, the photovoltaic panel 1 will not vibrate significantly during the up and down movement, further improving the installation stability between it and the bracket.

[0041] A fixing ring is also fixedly mounted on the rotating rod 17, and a plurality of blades 18 are fixedly mounted on the side wall of the fixing ring. A reinforcing rib 19 is fixedly mounted between the plurality of blades 18. Each blade 18 is tilted downward from left to right (such as Figure 6 As shown), and the edge of one side of each blade 18 that deflects downward is set to an arc shape. The angles and arcs of the multiple blades 18 are set to make the thrust to the right exerted by the multiple blades 18 under the action of wind force greater. Therefore, when the external wind force is strong, the multiple blades 18 can drive the rotating rod 17 and the screw 10 to rotate to the right through the fixing ring (i.e. Figure 6 The screw 10 and the threaded sleeve 11 are set in the clockwise direction, so that the photovoltaic panel 1 moves downward when the screw 10 rotates clockwise, thereby automatically lowering the center of gravity of the bracket and improving the overall stability when the external wind force is strong.

[0042] A mounting rod 20 is fixedly mounted on the side wall of each counterweight seat 2, and a protective frame 21 is fixedly mounted between the plurality of mounting rods 20. When the photovoltaic panel 1 is in a fixed position, the photovoltaic panel 1 is located in the protective frame 21. At this time, the protective frame 21 can protect the side of the photovoltaic panel 1 (such as Figure 1 ) to prevent the side of the photovoltaic panel 1 from being damaged due to factors such as transportation or equipment movement during the installation of adjacent photovoltaic panels 1.

[0043] When the external wind is strong and causes the photovoltaic panel 1 to move downward, the protective frame 21 will move upward to a certain extent relative to the photovoltaic panel 1. At this time, if the bracket falls over, the protective frame 21 will first contact the ground to protect the photovoltaic panel 1. When the protective frame 21 moves upward relative to the photovoltaic panel 1, it can also shield the area around the photovoltaic panel 1. At this time, it can prevent dust and gravel driven by strong wind from falling on the photovoltaic panel 1 and causing damage to it. At the same time, after the shielding is formed, it can also reduce the impact of wind on the sprayed water, thereby improving the cleaning effect. In addition, a water storage tank is arranged at the higher end of the protective frame 21, and a flat water spray port 23 is opened on the side of the water storage tank close to the photovoltaic panel 1, and a flat water spray port 23 is arranged between the four counterweight seats 2. A water storage seat 22 is provided, and a plurality of water outlet pipes 24 are connected between the water storage seat 22 and the water storage tank. A pressure plate 25 is sealed and slidably installed in the water storage seat 22, and two pressing columns 26 that slide with the water storage seat 22 are fixedly installed on the top of the pressure plate 25. Two pressing rods 27 are fixedly installed on the bottom of the connecting plate 7 in the middle, and the two pressing rods 27 are aligned with the positions of the two pressing columns 26 respectively, and a circular plate is fixedly installed on the top of the pressing column 26, and a spring is installed between the circular plate and the water storage seat 22. The water outlet pipe 24 is a one-way water outlet pipe (that is, a water outlet pipe provided with a one-way valve, and its water outlet direction is to allow the water in the water storage seat 22 to flow out), and the connecting end of the water outlet pipe 24 and the water storage seat 22 is located at the lower end of the pressure plate 25.

[0044] Under the cooperation of the pressing rod 27 and the pressing column 26, when the photovoltaic panel 1 moves downward, the pressing plate 25 can move downward in the water storage seat 22, so that the water at the bottom of the water storage seat 22 is input into the water storage tank through the multiple water outlet pipes 24 by pressure, and sprayed outward on the photovoltaic panel 1 through the flat water spray port 23, so as to realize the cleaning treatment of the surface of the photovoltaic panel 1;

[0045] Furthermore, since the photovoltaic panel 1 moves downward when the external wind is strong, the water sprayed on the photovoltaic panel 1 will also exert a stronger cleaning effect on the surface of the photovoltaic panel 1 under the action of wind.

[0046] A water collecting frame 28 is installed at the front end of the water storage seat 22 through a water storage pipe 29, and a filter screen 30 is fixedly installed at the bottom of the water collection frame 28, and the water collection frame 28 is located directly below the front end of the photovoltaic panel 1. At the same time, on rainy days, rainwater flowing from the front end of the photovoltaic panel 1 will fall into the water collection frame 28, and the clean rainwater will enter the water storage seat 22 through the water storage pipe 29 for storage through the filtering effect of the filter screen 30 on the rainwater. The water storage pipe 29 is a one-way water inlet pipe (that is, a pipe equipped with a one-way valve, and can only send the water in the water collection frame 28 into the water storage seat 22 in one direction). The connection end of the water storage pipe 29 and the water storage seat 22 is located at the lower end of the pressure plate 25, which is used to use wind to drive the photovoltaic panel 1 to move downward in a windy environment so that this part of rainwater can effectively clean the photovoltaic panel 1;

[0047] Furthermore, when a certain amount of rainwater is accumulated in the water storage seat 22, its weight will also increase the overall weight of the bottom of the bracket, thereby also improving the overall stability of the bracket.

[0048] The initial distance between the pressing rod 27 and the pressing column 26 (eg Figure 1 The purpose of setting the distance between the pressing rod 27 and the pressing column 26 is to prevent rainwater in the water storage seat 22 from spraying out from the flat water spray port 23 in the initial stage of the upward movement of the photovoltaic panel 1. Only when the flat water spray port 23 is at the top of the photovoltaic panel 1 will it spray water outward, thereby ensuring that the sprayed water can effectively fall on the upper surface of the photovoltaic panel 1. At the same time, the initial distance between the bottom of the pressing rod 27 and the inner wall of the bottom of the water storage seat 22 is greater than or equal to the depth of the connecting groove 12. The design purpose of this size is to ensure that the moving stroke of the pressing rod 27 will not hinder the downward movement of the photovoltaic panel 1.

[0049] During installation, according to the actual situation, it is not necessary to set a water storage seat 22 on each bracket. A water storage seat 22 can be set for every adjacent brackets, and the water storage seat 22 can be connected to the water tanks in the adjacent protection frames 21 through a water pipe.

[0050] In the present invention, the working principle of a fixed photovoltaic power generation array bracket is as follows:

[0051] Installation of the photovoltaic panels 1: the brackets are arranged in order in the installation site of the photovoltaic power generation array, and finally the multiple photovoltaic panels 1 are fixed to the corresponding brackets in turn by bolts or photovoltaic clamps;

[0052] Anti-wind tipping: When the external wind force is strong, the multiple blades 18 cause the screw 10 to rotate under the action of wind force. At this time, under the thread cooperation between the screw 10 and the threaded sleeve 11, and the limiting action of the connecting column 5 and the connecting groove 12, the photovoltaic panel 1 moves down with the multiple supporting columns 6. At this time, the overall center of gravity of the bracket moves down, which can effectively improve its wind resistance coefficient and improve the overall stability;

[0053] Photovoltaic panel 1 surface cleaning: When the photovoltaic panel 1 moves downward, after moving a certain distance, the pressing rod 27 contacts the pressing column 26 and pushes it downward. At this time, the pressing plate 25 moves downward in the water storage seat 22, and the water inside the water storage seat 22 enters the water storage tank through the water outlet pipe 24 and finally sprays out from the flat water spray port 23. By utilizing the wind force at this time, the surface of the photovoltaic panel 1 can be cleaned;

[0054] Smooth resetting of the photovoltaic panel 1: Since the photovoltaic panel 1 drives multiple connecting columns 5 to move downward at the same time when it moves downward, the multiple springs 13 are continuously compressed in this process. When the external wind force disappears, the elastic force of the spring 13 will exert an upward resetting force on the photovoltaic panel 1. However, due to the threaded cooperation between the screw 10 and the threaded sleeve 11 and the damping effect of the damping ring 16 and the fixed column 4, the upward resetting of the photovoltaic panel 1 will be completed slowly, thereby achieving smooth resetting.

[0055] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A fixed photovoltaic power generation array support, comprising a photovoltaic panel (1) and four counterweight seats (2), characterized in that: Also includes: Support columns (6) are respectively slidably arranged on the corresponding counterweight seats (2), and a slow-sliding assembly is installed between each support column (6) and the corresponding counterweight seat (2), and the slow-sliding assembly is used to enable the support column (6) to slide slowly relative to the counterweight seat (2); A reinforcement frame (8) fixedly mounted between the four counterweight seats (2), wherein a wind lifting assembly matched with the photovoltaic panel (1) is mounted on the reinforcement frame (8), and the wind lifting assembly is used to enable the photovoltaic panel (1) to move up and down relative to the ground; A protective frame (21) is fixedly mounted between the four counterweight seats (2), and a cleaning component matched with the photovoltaic panel (1) is mounted between the protective frame (21) and the four counterweight seats (2), and the cleaning component is used to clean the surface of the photovoltaic panel (1).

2. A fixed photovoltaic power generation array bracket according to claim 1, characterized in that: The length of the two support columns (6) located at the front end is shorter than the length of the two support columns (6) located at the rear end, and a connecting plate (7) is fixedly installed between every two support columns (6) corresponding to each other at the front and rear positions, the photovoltaic panel (1) is fixedly installed between the two connecting plates (7), and a connecting plate (7) is also fixedly installed at the middle position of the bottom of the photovoltaic panel (1).

3. A fixed photovoltaic power generation array bracket according to claim 2, characterized in that: The deceleration sliding assembly comprises a connecting seat (3) fixedly mounted on a counterweight seat (2), and a fixing column (4) is fixedly mounted on the top of the connecting seat (3), a connecting groove (12) is provided on the fixing column (4), and a connecting column (5) fixedly connected to a support column (6) is slidably mounted in the connecting groove (12), a spring (13) is mounted between the bottom of the connecting column (5) and the connecting groove (12), a damping ring (16) tightly attached to the side wall of the fixing column (4) is fixedly mounted on the connecting column (5), and the cross sections of the connecting column (5) and the connecting groove (12) are both square.

4. A fixed photovoltaic power generation array bracket according to claim 3, characterized in that: Vertical blocks (15) are fixedly installed between the front and rear side walls of the connecting column (5) and the damping ring (16), and vertical grooves (14) matching with the corresponding vertical blocks (15) are opened on the front and rear side walls of the fixing column (4), and the two vertical grooves (14) are interconnected with the connecting groove (12).

5. A fixed photovoltaic power generation array bracket according to claim 2, characterized in that: The wind power lifting assembly comprises a mounting column (9) fixedly mounted on a reinforcement frame (8), and a rotating rod (17) is rotatably mounted on the mounting column (9) via a bearing, a screw rod (10) is fixedly mounted on the rotating rod (17), a threaded sleeve (11) threadably matched with the screw rod (10) is fixedly mounted on the bottom of the connecting plate (7) in the middle, a fixing ring is fixedly mounted on the outside of the rotating rod (17), and a plurality of fan blades (18) are fixedly mounted on the side wall of the fixing ring.

6. A fixed photovoltaic power generation array bracket according to claim 5, characterized in that: The fan blades (18) are arranged obliquely, and the edges of one side of the fan blades (18) are all arc-shaped, and reinforcing ribs (19) are fixedly installed between the plurality of fan blades (18).

7. A fixed photovoltaic power generation array bracket according to claim 2, characterized in that: A mounting rod (20) is fixedly mounted between the protection frame (21) and each connecting seat (3).

8. The fixed photovoltaic power generation array bracket according to claim 3, characterized in that: The cleaning assembly comprises a water storage seat (22) fixedly mounted between a plurality of counterweight seats (2), and a pressure plate (25) is sealed and slidably mounted inside the water storage seat (22); a water storage tank is arranged inside the protection frame (21), and a flat water spray port (23) is provided on a side of the water storage tank close to the photovoltaic panel (1); a plurality of water outlet pipes (24) are connected between the water storage tank and the water storage seat (22); two pressing columns (26) slidably mounted with the water storage seat (22) are fixedly mounted on the upper end of the pressure plate (25); and two pressing rods (27) corresponding to the positions of the pressing columns (26) are fixedly mounted on the bottom of the connecting plate (7) located in the middle.

9. A fixed photovoltaic power generation array support according to claim 8, characterized in that: A water collecting frame (28) is fixedly mounted on the front end side wall of the water storage seat (22) via a water storage pipe (29), and a filter screen (30) is fixedly mounted on the water collecting frame (28).

10. The fixed photovoltaic power generation array bracket according to claim 8, characterized in that: The initial spacing between the bottom of the pressing rod (27) and the inner wall of the bottom of the water storage seat (22) is greater than or equal to the depth of the connecting groove (12).

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