Offshore photovoltaic support and use method thereof

Abstract

The invention discloses an offshore photovoltaic support and a use method thereof, and relates to the field of offshore photovoltaic technology, the offshore photovoltaic support comprises floating buckets and a photovoltaic panel, the floating buckets are located at two ends of the bottom of the photovoltaic panel, reinforcing ribs are arranged between two adjacent floating buckets, the reinforcing ribs are respectively located at two ends of the bottom of the photovoltaic panel, and the photovoltaic panel is arranged between the two adjacent floating buckets. The end, away from the floating barrel on one side, of the reinforcing rib is fixedly connected with a containing barrel. A floating barrel, a reinforcing rib, a first supporting column, a reinforcing inner rib, a containing cylinder, a second supporting column, an electric push rod, an inner cylinder, a driving motor, a control module, a signal transmission line and other components are arranged at the bottom of the photovoltaic panel, the angle of the photovoltaic panel can be adjusted, when the photovoltaic panel is lifted, sunlight can irradiate the water surface, it is guaranteed that underwater organisms can receive sunlight irradiation and can grow normally, and the service life of the underwater organisms is prolonged. And when the photovoltaic panel is laid, the photovoltaic panel can be ensured to receive the irradiation of sunlight to the maximum extent, and the photovoltaic power generation efficiency is ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of offshore photovoltaics, and in particular relates to an offshore photovoltaic bracket and a method for using the bracket. Background Art

[0002] Floating offshore photovoltaic bracket is an emerging renewable energy technology that aims to use the vast space of the ocean to install photovoltaic modules, thereby improving the efficiency of solar energy utilization. In recent years, with the increase in global demand for renewable energy, traditional land-based photovoltaic power stations are facing problems such as limited land resources and large environmental impacts. The floating photovoltaic system can effectively reduce the occupation of land by arranging photovoltaic modules on the water surface, and can also use the water surface to reflect light and improve the efficiency of photovoltaic power generation. This bracket is generally made of corrosion-resistant materials and has good buoyancy and stability. Its design needs to take into account the particularity of the marine environment, such as waves, wind and salt spray, to ensure safety and reliability under severe weather conditions. When in use, the photovoltaic panel is fixed on the bracket, and the overall structure floats on the water surface. The anchoring system ensures that it is not affected by the current, and an intelligent monitoring system is equipped in the design to monitor the power generation status and environmental parameters in real time.

[0003] Floating offshore photovoltaics can utilize solar energy on the water surface, but large-scale floating photovoltaics may completely cover the water surface, blocking light from penetrating into the water. If this continues for a long time, it may affect the living environment of aquatic organisms, be detrimental to the growth of aquatic organisms, and may even further affect the water ecology. Summary of the invention

[0004] The purpose of the present invention is to provide an offshore photovoltaic bracket and a method of using the same, which aims to maximize the solar energy conversion efficiency while promoting underwater biodiversity and ecological balance to ensure the health and sustainable development of aquatic ecosystems.

[0005] To achieve the above-mentioned purpose, in one aspect, the present invention provides an offshore photovoltaic support, including a buoy and a photovoltaic panel, wherein the buoy is located at both ends of the bottom of the photovoltaic panel, and reinforcing ribs are arranged between two adjacent buoys, and the reinforcing ribs are respectively located at both ends of the bottom of the photovoltaic panel, and one end of the reinforcing rib away from one side of the buoy is fixedly connected to a containing tube, and one end of the reinforcing rib away from the other side of the buoy is fixedly connected to a reinforcing inner rib, and the end of the reinforcing inner rib slides in the containing tube, and one end of the reinforcing rib on one side close to the buoy is fixedly connected to a supporting column 1, and the supporting column 1 is rotatably connected to the end of the photovoltaic panel. On the other side, one end of the reinforcing rib close to the floating barrel is fixedly connected with a supporting column 2, the internal structure of the supporting column 2 is provided with a device groove, the internal movably connected with an inner cylinder, the device groove is fixedly connected with an electric push rod and a driving motor, the driving motor is signal-connected with the electric push rod, a control part is arranged between the multiple driving motors, the end of the inner cylinder is rotatably connected with the end of the photovoltaic panel, the outer wall of the supporting column 2 is fixedly connected with a seawater storage cylinder, the outer wall of the inner cylinder is fixedly connected with a connecting plate, a plurality of sealed pressure cylinders are arranged on the top of the seawater storage cylinder, and a water spraying assembly is arranged in the sealed pressure cylinder.

[0006] Optionally, the control component includes a waterproof box fixedly connected between two adjacent support columns 2, a signal transmission line is arranged inside the waterproof box, a controller installation box is fixedly connected to one of the support columns 2, a control module is arranged inside the controller installation box, and the signal transmission line is used to connect the drive motor and the control module.

[0007] Optionally, a wireless transmission module is provided on the control module, the wireless transmission module is signal-connected to the control module, and the wireless transmission module is used to transmit signals between the control module and a remote controller.

[0008] Optionally, the water spray assembly includes a plunger fixedly connected to the bottom of the connecting plate, the plunger fits against the inner wall of the sealing pressure cylinder, a second check valve is installed at the bottom of the plunger, a first check valve is installed near the bottom of the sealing pressure cylinder, a connecting pipe is connected to the side wall of the sealing pressure cylinder near the top, and the connecting pipe is lower than the top of the sealing pressure cylinder.

[0009] Optionally, a second filter is fixedly connected to the middle of the seawater storage cylinder, and the second filter is vertical, and a first filter is fixedly connected to the bottom of the seawater storage cylinder, and the first filter is horizontal.

[0010] Optionally, the end of the connecting pipe is threadedly connected to a booster nozzle, the middle of the booster nozzle is fixedly connected to a guide pipe, and the side wall of the guide pipe is connected to a guide plate.

[0011] Optionally, the bottom of the sealed pressure cylinder is located below sea level, and the interior is in a sealed state.

[0012] Optionally, the seawater storage cylinder is arranged in a trapezoidal shape, with the lowest point being below the sea level and the highest point being lower than the lowest position of the photovoltaic panel.

[0013] Optionally, a plurality of anti-slip bumps are fixedly connected to the top of the floating bucket.

[0014] In another aspect, the present invention further provides a method for using an offshore photovoltaic bracket, using any of the above-mentioned offshore photovoltaic brackets, comprising the following steps:

[0015] S1: The seawater is filtered through the filter screen 1 and then enters the seawater storage cylinder. At the same time, part of the seawater is filtered through the filter screen 2 for a second time.

[0016] S2: The wireless transmission module transmits the remote control signal to the control module, and the control module controls several drive motors to start at the same time. The drive motors drive the electric push rods to extend, driving the inner tube to move upward in the device slot, so that the photovoltaic panel is lifted, the inner ribs are strengthened to move in the receiving tube, and the photovoltaic panel is away from the water surface;

[0017] S3: The electric push rod extends, the inner cylinder rises, driving the connecting plate to rise, and driving the plunger to move upward in the sealed pressure cylinder. At this time, the second check valve is closed, and the first check valve is opened, and the filtered seawater is pumped to the upper part of the sealed pressure cylinder. After reaching a certain level, it enters the connecting pipe and is then sprayed out from the booster nozzle, through the guide pipe and the guide plate, and sprayed to the back of the photovoltaic panel;

[0018] S4: The wireless transmission module transmits the remote control signal to the control module, and the control module controls several drive motors to start at the same time. The drive motor drives the electric push rod to shorten, driving the inner tube to move down in the device slot, so that the photovoltaic panel is flattened, the inner ribs are strengthened to move in the receiving tube, and the photovoltaic panel is close to the water surface;

[0019] S5: The electric push rod shortens, the inner tube lowers, driving the connecting plate to lower, and driving the plunger to move downward in the sealed pressure tube. At this time, the check valve 2 at the bottom of the plunger opens, the check valve 1 closes, and the seawater enters from the bottom of the check valve 2 to the top of the check valve 2.

[0020] The present invention provides an offshore photovoltaic bracket and a method for using the same, which has the following advantages compared with the prior art:

[0021] Beneficial effects:

[0022] 1. The bottom of the photovoltaic panel is equipped with a float, reinforcement ribs, support column 1, reinforcement inner ribs, a containing tube, support column 2, an electric push rod, an inner tube, a drive motor, a control module, a signal transmission line and other components. The angle of the photovoltaic panel can be adjusted. When the photovoltaic panel is lifted, the sunlight can shine on the water surface to ensure that the underwater organisms can also receive sunlight and grow normally to maintain ecological stability. When the photovoltaic panel is laid flat, it can ensure that the photovoltaic panel receives the maximum amount of sunlight and ensure the efficiency of photovoltaic power generation.

[0023] 2. A seawater storage cylinder, a sealed pressure cylinder, a plunger, a connecting pipe, a check valve 1 and a check valve 2 are arranged under the photovoltaic panel. When adjusting the photovoltaic panel, the plunger is driven to move up and down to draw the seawater in the seawater storage cylinder to the top and spray it out from the booster nozzle, thereby washing away some plankton on the back of the photovoltaic panel and extending the service life of the photovoltaic panel.

[0024] 3. Filter 1 and filter 2 are installed in the seawater storage cylinder, which can perform secondary filtration on the seawater to filter out some plankton or impurities, ensure the cleanliness of the filtered seawater, avoid clogging in the sealing pressure cylinder or the booster nozzle when extracting seawater, and extend the service life of the sealing pressure cylinder and other components. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0027] Figure 2 For the present invention Figure 1 A in the enlarged view;

[0028] Figure 3 For the present invention Figure 1 The enlarged view of point B in the figure;

[0029] Figure 4 For the present invention Figure 1 A three-dimensional cross-sectional view of

[0030] Figure 5 For the present invention Figure 4 The enlarged view of point C in the figure;

[0031] Figure 6 For the present invention Figure 1 Another perspective cutaway view of

[0032] Figure 7 For the present invention Figure 6 The enlarged view of point D in the figure;

[0033] Figure 8 It is a partial three-dimensional cross-sectional view of the present invention;

[0034] Fig. 9 For the present invention Figure 8 The enlarged view of point E in the figure;

[0035] Fig.10 It is a three-dimensional cross-sectional view of the water spray assembly of the present invention.

[0036] In the figure: 1. Floating barrel; 2. Photovoltaic panel; 3. Reinforcement ribs; 4. Accommodation tube; 5. Reinforced inner ribs; 6. Support column one; 7. Support column two; 8. Installation slot; 9. Inner tube; 10. Electric push rod; 11. Driving motor; 12. Seawater storage tube; 13. Connecting plate; 14. Sealed pressure tube; 15. Waterproof box; 16. Signal transmission line; 17. Controller installation box; 18. Control module; 19. Wireless transmission module; 20. Plunger; 21. Check valve two; 22. Check valve one; 23. Connecting pipe; 24. Filter screen two; 25. Filter screen one; 26. Booster nozzle; 27. Guide pipe; 28. Guide plate; 29. ​​Anti-slip bumps. DETAILED DESCRIPTION

[0037] 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.

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0039] See also Figures 1 to 10The embodiment of the present invention provides an offshore photovoltaic bracket, including a buoy 1 and a photovoltaic panel 2. The buoy 1 is located at both ends of the bottom of the photovoltaic panel 2. A reinforcing rib 3 is arranged between two adjacent buoys 1. The reinforcing rib 3 is respectively located at both ends of the bottom of the photovoltaic panel 2. The end of the reinforcing rib 3 away from the buoy 1 on one side is fixedly connected to a receiving tube 4. The end of the reinforcing rib 3 away from the buoy 1 on the other side is fixedly connected to a reinforcing inner rib 5. The end of the reinforcing inner rib 5 slides in the receiving tube 4. The end of the reinforcing rib 3 on one side close to the buoy 1 is fixedly connected to a supporting column 6. The supporting column 6 is rotatably connected to the end of the photovoltaic panel 2. The reinforcing rib 3 on the other side close to the buoy One end of the barrel 1 is fixedly connected to a support column 27, the internal structure of the support column 27 is provided with a device groove 8, the internal structure of the device groove 8 is movably connected with an inner cylinder 9, the device groove 8 is fixedly connected with an electric push rod 10 and a drive motor 11, the drive motor 11 is signal-connected to the electric push rod 10, and a control component is arranged between the plurality of drive motors 11, the end of the inner cylinder 9 is rotatably connected to the end of the photovoltaic panel 2, the outer wall of the support column 27 is fixedly connected to a seawater storage cylinder 12, the outer wall of the inner cylinder 9 is fixedly connected to a connecting plate 13, a plurality of sealed pressure cylinders 14 are arranged on the top of the seawater storage cylinder 12, and a water spraying assembly is arranged inside the sealed pressure cylinder 14.

[0040] When laying the photovoltaic panel 2, first place the buoy 1 on the water surface, then install the reinforcing rib 3 between two adjacent buoys 1, and install one end of the photovoltaic panel 2 on the support column 1 6, and the other end on the inner tube 9. The support column 1 6 and the support column 2 7 are respectively installed on the reinforcing rib 3 at the corresponding positions, so that the photovoltaic panel 2 and the buoy 1 are in a state of floating on the water surface, and the reinforcing inner rib 5 is movably installed inside the accommodating tube 4. When in use, first control multiple drive motors 11 to start simultaneously through the control component. When the drive motors 11 are started at the same time, the corresponding electric push rods 10 will be driven to extend together. At this time, the inner tube 9 moves up in the support column 2 7, and the photovoltaic The connection between the panel 2 and the support column 6 and the connection between the photovoltaic panel 2 and the inner tube 9 rotate at the same time, and drive the reinforcing inner ribs 5 to move in the accommodating tube 4, so that the photovoltaic panel 2 rises to a certain angle, so that the water surface at the bottom of the photovoltaic panel 2 is exposed to the sun, ensuring the normal growth of the organisms at the bottom of the photovoltaic panel 2. The photovoltaic panel 2 can be raised at a fixed time period every day by the control component, and at the same time, the water spraying assembly sprays the seawater in the seawater storage tube 12 to the bottom of the photovoltaic panel 2, and washes away the plankton and the like washed to the bottom of the photovoltaic panel 2 by the waves, thereby achieving a linkage effect. A plurality of sealed pressure tubes 14 are provided on the seawater storage tube 12, which can spray water at the same time.

[0041] Furthermore, the control component includes a waterproof box 15 fixedly connected between two adjacent support columns 7, a signal transmission line 16 is arranged inside the waterproof box 15, a controller installation box 17 is fixedly connected to one of the support columns 7, a control module 18 is arranged inside the controller installation box 17, and the signal transmission line 16 is used to connect the drive motor 11 and the control module 18.

[0042] It should be noted that the driving motor 11 is a DC motor and is connected to a battery, and the photovoltaic panel 2 converts light energy into electrical energy and stores it in the battery, thereby supplying power to the DC motor. It should be noted that this technology is an existing technology, so it will not be described in detail here.

[0043] See also Figure 6 , Figure 7 During installation, the control module 18 and the drive motor 11 are connected together through the signal transmission line 16. This is a prior art, and the line connection is not described in detail. The control module 18 is installed in the waterproof box 15 to prevent seawater from causing excessive impact on the control module 18. The control module 18 controls the drive motor 11 to start through the signal transmission line 16, thereby achieving the purpose of controlling multiple drive motors 11 at the same time.

[0044] Furthermore, a wireless transmission module 19 is provided on the control module 18 , and the wireless transmission module 19 is signal-connected with the control module 18 , and the wireless transmission module 19 is used to transmit signals between the control module 18 and the remote controller.

[0045] See also Figure 4 , Figure 5 The wireless transmission module 19 is used to send and receive wireless signals and can be connected to the user's wireless communication device. The wireless transmission module 19 receives a start signal and then transmits the signal to the control module 18 to achieve the purpose of remote control.

[0046] Furthermore, the water spray assembly includes a plunger 20 fixedly connected to the bottom of the connecting plate 13, the plunger 20 fits against the inner wall of the sealing pressure cylinder 14, a check valve 21 is installed at the bottom of the plunger 20, a check valve 22 is installed near the bottom of the sealing pressure cylinder 14, and a connecting pipe 23 is connected to the side wall of the sealing pressure cylinder 14 near the top, and the connecting pipe 23 is lower than the top of the sealing pressure cylinder 14.

[0047] See also Figure 8 , Fig.10 When the inner tube 9 rises and drives the connecting plate 13 to rise rapidly, the plunger 20 moves up rapidly in the sealed pressure tube 14. At this time, the second check valve 21 is closed and the first check valve 22 is opened, and the filtered seawater is pumped to the upper part of the inner part of the sealed pressure tube 14. When the inner tube 9 descends and drives the connecting plate 13 to descend rapidly, the plunger 20 descends rapidly in the sealed pressure tube 14. At this time, the second check valve 21 is opened and the first check valve 22 is closed. Seawater enters from the bottom of the second check valve 21 to the top of the second check valve 21. The interior of the sealed pressure tube 14 remains in a sealed state. During the movement of the plunger 20, the position of the plunger 20 to the bottom of the sealed pressure tube 14 also remains in a sealed state.

[0048] Furthermore, a second filter screen 24 is fixedly connected to the middle of the seawater storage cylinder 12, and the second filter screen 24 is vertical. A first filter screen 25 is fixedly connected to the bottom of the seawater storage cylinder 12, and the first filter screen 25 is horizontal.

[0049] See also Figure 8 The mesh sizes of filter 1 25 and filter 2 24 are different. Garbage or some large foreign objects in the seawater will be filtered through filter 1 25. After the first filtration is completed, the seawater will enter filter 2 24 for a second filtration, which can filter out plankton or smaller foreign objects in the seawater to avoid subsequent blockage.

[0050] Furthermore, a boost nozzle 26 is threadedly connected to the end of the connecting pipe 23 , a guide pipe 27 is fixedly connected to the middle of the boost nozzle 26 , and a guide plate 28 is connected to the side wall of the guide pipe 27 .

[0051] See also Figure 8 , Fig. 9 The water will enter the booster nozzle 26 from the connecting pipe 23, and after being pressurized by the booster nozzle 26, it will flow out from the guide pipe 27 and rush to the bottom of the photovoltaic panel 2 from the guide plate 28. The guide plate 28 can change the direction of the water outlet to achieve a better flushing effect.

[0052] Furthermore, the bottom of the sealed pressure cylinder 14 is located below the sea level, and the interior is in a sealed state.

[0053] See also Figure 1 The bottom of the sealed pressure cylinder 14 needs to be below the seawater at all times so that water can be continuously pumped up.

[0054] Furthermore, the seawater storage cylinder 12 is arranged in a trapezoidal shape, with the lowest point being below the sea level and the highest point being lower than the lowest position of the photovoltaic panel 2 .

[0055] See also Figure 1 The seawater storage cylinder 12 can also be set as a plurality of small cylinders connected to the reinforcing ribs 3, so that it will not hinder the movement of the photovoltaic panel 2.

[0056] Furthermore, a plurality of anti-skid protrusions 29 are fixedly connected to the top of the floating bucket 1 .

[0057] See also Figure 1 When someone stands on the floating barrel 1 to maintain the photovoltaic panel 2, the anti-skid protrusions 29 can play an anti-skid role.

[0058] The embodiment of the present invention further provides a method for using an offshore photovoltaic bracket, using the offshore photovoltaic bracket described in the above embodiment, comprising the following steps:

[0059] S1: The seawater is filtered through the filter screen 1 and then enters the seawater storage cylinder. At the same time, part of the seawater is filtered through the filter screen 2 for a second time.

[0060] S2: The wireless transmission module transmits the remote control signal to the control module, and the control module controls several drive motors to start at the same time. The drive motors drive the electric push rods to extend, driving the inner tube to move upward in the device slot, so that the photovoltaic panel is lifted, the inner ribs are strengthened to move in the receiving tube, and the photovoltaic panel is away from the water surface;

[0061] S3: The electric push rod extends, the inner cylinder rises, driving the connecting plate to rise, and driving the plunger to move upward in the sealed pressure cylinder. At this time, the second check valve is closed, and the first check valve is opened, and the filtered seawater is pumped to the upper part of the sealed pressure cylinder. After reaching a certain level, it enters the connecting pipe and is then sprayed out from the booster nozzle, through the guide pipe and the guide plate, and sprayed to the back of the photovoltaic panel;

[0062] S4: The wireless transmission module transmits the remote control signal to the control module, and the control module controls several drive motors to start at the same time. The drive motor drives the electric push rod to shorten, driving the inner tube to move down in the device slot, so that the photovoltaic panel is flattened, the inner ribs are strengthened to move in the receiving tube, and the photovoltaic panel is close to the water surface;

[0063] S5: The electric push rod shortens, the inner tube lowers, driving the connecting plate to lower, and driving the plunger to move downward in the sealed pressure tube. At this time, the check valve 2 at the bottom of the plunger opens, the check valve 1 closes, and the seawater enters from the bottom of the check valve 2 to the top of the check valve 2.

[0064] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and the drawings can also be directly processed according to the existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0065] 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. An offshore photovoltaic support, comprising a plurality of floating barrels (1) and photovoltaic panels (2), characterized in that: A plurality of the floating barrels (1) are arranged on both sides of the bottom of the photovoltaic panel (2), and a reinforcing rib (3) is connected between two adjacent floating barrels (1), and the reinforcing rib (3) is respectively located at the two ends of the bottom of the photovoltaic panel (2), and one end of the reinforcing rib (3) away from the floating barrel (1) on one side is fixedly connected to a receiving tube (4), and one end of the reinforcing rib (3) away from the floating barrel (1) on the other side is fixedly connected to a reinforcing inner rib (5), and the end of the reinforcing inner rib (5) slides in the receiving tube (4); One end of the reinforcing rib (3) on one side close to the floating bucket (1) is fixedly connected to a support column one (6), and the support column one (6) is rotatably connected to the end of the photovoltaic panel (2); one end of the reinforcing rib (3) on the other side close to the floating bucket (1) is fixedly connected to a support column two (7), and a device groove (8) is provided inside the support column two (7), and an electric push rod (10) and a drive motor (11) are fixedly connected inside the device groove (8), and the drive motor (11) is signal-connected to the electric push rod (10), and a control component is provided between the plurality of drive motors (11); The interior of the device groove (8) is movably connected to an inner cylinder (9), the end of the inner cylinder (9) is rotatably connected to the end of the photovoltaic panel (2), and the outer wall of the inner cylinder (9) is fixedly connected to a connecting plate (13); The outer wall of the second support column (7) is fixedly connected with a seawater storage cylinder (12), and a plurality of sealed pressure cylinders (14) are arranged on the top of the seawater storage cylinder (12), and a water spraying assembly is arranged inside the sealed pressure cylinder (14).

2. The offshore photovoltaic support according to claim 1, characterized in that: The control component comprises a waterproof box (15) fixedly connected between two adjacent supporting columns (7), a signal transmission line (16) being arranged inside the waterproof box (15), a controller installation box (17) being fixedly connected to one of the supporting columns (7), a control module (18) being arranged inside the controller installation box (17), and the signal transmission line (16) being used to connect the driving motor (11) and the control module (18).

3. The offshore photovoltaic support according to claim 2, characterized in that: The control module (18) is provided with a wireless transmission module (19), the wireless transmission module (19) is signal-connected to the control module (18), and the wireless transmission module (19) is used to transmit signals between the control module (18) and a remote controller.

4. The offshore photovoltaic support according to claim 1, characterized in that: The water spray assembly comprises a plunger (20) fixedly connected to the bottom of the connecting plate (13), the plunger (20) being in contact with the inner wall of the sealing pressure cylinder (14), a second check valve (21) being installed at the bottom of the plunger (20), a first check valve (22) being installed near the bottom of the sealing pressure cylinder (14), a connecting pipe (23) being connected to the side wall of the sealing pressure cylinder (14) near the top, and the connecting pipe (23) being lower than the top of the sealing pressure cylinder (14).

5. The offshore photovoltaic support according to claim 1, characterized in that: A second filter screen (24) is fixedly connected to the middle of the seawater storage cylinder (12), and the second filter screen (24) is vertical. A first filter screen (25) is fixedly connected to the bottom of the seawater storage cylinder (12), and the first filter screen (25) is horizontal.

6. The offshore photovoltaic support according to claim 4, characterized in that: The end of the connecting pipe (23) is threadedly connected to a boost nozzle (26), the middle of the boost nozzle (26) is fixedly connected to a guide pipe (27), and the side wall of the guide pipe (27) is connected to a guide plate (28).

7. The offshore photovoltaic support according to claim 1, characterized in that: The bottom of the sealed pressure cylinder (14) is located below the sea level, and the interior is in a sealed state.

8. The offshore photovoltaic support according to claim 1, characterized in that: The seawater storage cylinder (12) is arranged in a trapezoidal shape, with the lowest point being below the sea level and the highest point being lower than the lowest position of the photovoltaic panel (2).

9. The offshore photovoltaic support according to claim 1, characterized in that: A plurality of anti-slip convex points (29) are fixedly connected to the top of the floating bucket (1).

10. A method for using an offshore photovoltaic support as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1: The seawater is filtered through filter screen 1 (25) and then enters the seawater storage cylinder (12). At the same time, part of the seawater is filtered through filter screen 2 (24) for a second time. S2: The wireless transmission module (19) transmits the remote control signal to the control module (18), and the control module (18) simultaneously controls a plurality of drive motors (11) to start, and the drive motors (11) drive the electric push rod (10) to extend, thereby driving the inner tube (9) to move upward in the device groove (8), so that the photovoltaic panel (2) is lifted, and the inner reinforcement (5) moves in the receiving tube (4), and the photovoltaic panel (2) is away from the water surface; S3: The electric push rod (10) extends, the inner cylinder (9) rises, driving the connecting plate (13) to rise, and driving the plunger (20) to move upward in the sealed pressure cylinder (14). At this time, the second check valve (21) is closed, and the first check valve (22) is opened, and the filtered seawater is pumped to the upper part of the sealed pressure cylinder (14). After reaching a certain level, it enters the connecting pipe (23) and is then sprayed out from the booster nozzle (26), and sprayed onto the back of the photovoltaic panel (2) through the guide pipe (27) and the guide plate (28); S4: The wireless transmission module (19) transmits the remote control signal to the control module (18), and the control module (18) simultaneously controls a plurality of drive motors (11) to start, and the drive motors (11) drive the electric push rod (10) to shorten, driving the inner tube (9) to move downward in the device groove (8), so that the photovoltaic panel (2) is laid flat, and the reinforced inner ribs (5) move in the containing tube (4), and the photovoltaic panel (2) is close to the water surface; S5: The electric push rod (10) shortens, the inner tube (9) lowers, driving the connecting plate (13) to lower, and driving the plunger (20) to move downward in the sealing pressure tube (14). At this time, the second check valve (21) at the bottom of the plunger (20) opens, the first check valve (22) closes, and the seawater enters from the bottom of the second check valve (21) to the top of the second check valve (21).

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