A waterborne photovoltaic device

Abstract

This invention belongs to the field of marine photovoltaic equipment technology, specifically a floating photovoltaic device, including a frame. Air-floating blocks are installed at each of the four corners of the frame. Slots are provided at both ends of the frame for splicing with other frames. Mounting blocks are provided at both ends of the frame, and mounting frames are inserted into the inner cavities of the mounting blocks. A photovoltaic support plate is rotatably mounted between the mounting frames, and a photovoltaic panel is installed inside the upper part of the photovoltaic support plate. A cleaning component is provided inside the photovoltaic support plate. This invention solves the problem of bird droppings sticking to the surface of existing photovoltaic equipment, which affects power generation if not cleaned. While seawater cleaning is used, if the residual seawater on the photovoltaic panel surface is not wiped or scraped off after cleaning, the seawater, after being exposed to the sun, will form a white crystalline layer on the photovoltaic panel surface. This not only affects the power generation performance of the photovoltaic panel but also corrodes it, leading to damage and significantly reducing the lifespan of the photovoltaic panel.

Description

Technical Field

[0001] This invention belongs to the field of marine photovoltaic equipment technology, specifically a type of floating photovoltaic equipment. Background Technology

[0002] As a reliable and widely applicable renewable energy source, solar energy is the best choice for people to replace non-renewable energy sources. Due to the continuous growth of the population, the usable land area is getting smaller and smaller, while the utilization of solar energy requires a lot of space. Therefore, the vast and uninhabited sea is undoubtedly the best place for solar power generation.

[0003] A patent with publication number CN118928676B discloses a photovoltaic panel bracket and an offshore photovoltaic power generation device. While generating photovoltaic power, the bracket increases the structural strength of the photovoltaic panel, protecting it. Protective strips and shells prevent floating debris from damaging the panel's edges, providing excellent protection and a long service life. The photovoltaic panel is tilted at an angle to the water surface, and the protective shell and strips are integrated to prevent floating debris from snagging on the panel and affecting power generation. In case of rough seas or storms, two protective shells can be used to fasten two sets of photovoltaic brackets together, encasing and securing the photovoltaic panel within them to prevent damage from waves. The closed mechanism is tight, robust, and reliable, providing excellent protection. Simultaneously, two buffer plates support and cushion the photovoltaic panel, preventing damage from internal impacts caused by violent shaking.

[0004] The above-mentioned solution still has some problems in practical application. When laying offshore photovoltaic equipment along the coast, the equipment will become a landing point for birds such as seagulls. This will lead to the accumulation of garbage and dirt on the surface of the photovoltaic panels due to the droppings and feathers of the birds, as well as the weeds produced by their nests. Excessive accumulation of bird droppings and garbage will affect the power generation of the photovoltaic panels. In particular, after the bird droppings are dried by the sun, they will stick and solidify on the surface of the photovoltaic panels. It is difficult to clean the dried and solidified bird droppings with a broom alone. Moreover, the long-term residue of bird droppings on the photovoltaic equipment will corrode the equipment, affecting the power generation performance and service life of the photovoltaic equipment.

[0005] Therefore, the present invention provides a floating photovoltaic device. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by the present invention to solve its technical problem is as follows: A water photovoltaic device of the present invention includes a frame, wherein air flotation blocks are provided at the four corners of the frame, and slots are provided at both ends of the frame for splicing with other frames through the slots. Mounting blocks are provided at both ends of the frame, and mounting frames are inserted into the inner cavity of the mounting blocks. A photovoltaic support plate is rotatably arranged between the mounting frames, and a photovoltaic panel is installed in the upper end of the photovoltaic support plate. A cleaning component is provided inside the photovoltaic support plate.

[0008] The cleaning component includes a chute located at the lower end of the photovoltaic panel. Fixed sliding columns are installed on both sides of the inner cavity of the chute. A reciprocating sliding frame is slidably installed outside the fixed sliding column, and the sliding frame drives the cleaning rod fixed at the upper end to move synchronously, which can clean bird droppings and other dirt from the surface of the photovoltaic panel.

[0009] The frame cavity is equipped with a buoyancy control assembly, which includes a float that slides in the frame cavity. Four third traction ropes are fixed to the outside of the float. Two of the third traction ropes have one end that passes through the frame and is fixed to a sliding plate. The third traction ropes are used to drive the sliding plate to reciprocate and pump seawater to form waves.

[0010] Preferably, a first spring is fixedly connected to one side of the sliding frame, and the first spring is fixedly connected to the photovoltaic support plate. The lower end face of the cleaning rod is provided with a brush and a scraper, which are used to use the brush to scrub the garbage on the surface of the photovoltaic panel, and at the same time use the scraper to scrape off the residual water stains and sticky bird droppings on the surface of the photovoltaic panel.

[0011] Preferably, an L-shaped rotating groove is provided inside one end of the mounting bracket, a second spring is fixedly connected to the inner wall of the L-shaped rotating groove, an L-shaped locking block is fixedly connected to one end of the second spring, a rotating shaft is rotatably connected between the mounting brackets, a ratchet is fixedly connected to the outside of the inner cavity of the L-shaped rotating groove on the rotating shaft, and the L-shaped locking block is inserted and engaged with the ratchet.

[0012] Preferably, an H-shaped rotating block is fixedly connected to the outside of the rotating shaft, and the H-shaped rotating block is fixedly installed to the photovoltaic support plate by bolts. The rotating shaft is used to drive the H-shaped rotating block to rotate, which can drive the photovoltaic support plate to rotate and adjust the tilt angle of the photovoltaic plate.

[0013] Preferably, a winding frame is fixedly received on the outside of the rotating shaft, a second traction rope is fixedly received in the middle of the winding frame, one end of the second traction rope is fixedly installed to the float, and the float is used to drive the second traction rope to pull the winding frame to rotate. A counterweight is installed in the middle of the lower end of the float.

[0014] Preferably, two first traction ropes are fixedly received on both sides of the winding frame, a sealing plate is installed on the lower end face of the photovoltaic support plate, two openings are opened on the lower end face of the sealing plate, two limiting blocks are provided on one side of the inner wall of the slide groove, and one end of each of the two first traction ropes passes through the openings and the limiting blocks and is fixedly connected to the sliding frame.

[0015] Preferably, both sides of the frame are provided with wave-spraying ports, and a wave-making trough is provided in one side of the frame. Two sliding plates are slidably connected in the inner cavity of the wave-making trough, and a second tension spring is fixed between the two sliding plates. A water spraying port is provided in the middle of the wave-making trough, and the sliding plates are driven to reciprocate in the inner cavity of the wave-making trough to circulate and pump seawater to create waves.

[0016] Preferably, a spraying assembly is provided on one side of the frame, and the spraying assembly includes a sealed cavity opened in one side of the frame. Two pistons are slidably connected in the sealed cavity, and a third traction rope is fixedly connected to one side of each of the two pistons. One end of the third traction rope passes through the frame and is fixedly connected to the float.

[0017] Preferably, a first tension spring is fixed between the pistons, and a water inlet is provided at the bottom of the inner cavity of the sealed cavity. A one-way valve is provided inside the water inlet, and the one-way valve can only be opened by flipping into the sealed cavity to drive the piston to reciprocate. The one-way valve can be opened cyclically to draw seawater into the sealed cavity.

[0018] Preferably, a folded tube is fixedly connected to one side of the upper end of the frame, and the folded tube is connected to the sealing cavity. A T-shaped spray pipe is fixedly connected to one end of the folded tube, and the T-shaped spray pipe is fixedly installed with the photovoltaic support plate. A one-way valve is provided at the fixed connection between the T-shaped spray pipe and the folded tube, and the one-way valve can only be opened by flipping it into the inner cavity of the T-shaped spray pipe.

[0019] The beneficial effects of this invention are as follows:

[0020] 1. The floating photovoltaic equipment of the present invention uses a buoy to move up and down by the waves, which pulls a second traction rope out from inside the winding frame. At the same time, the second traction rope drives the winding frame to rotate. During the rotation of the winding frame, the first traction rope is wound up, and the sliding frame is pulled to slide outside the fixed sliding column, and the cleaning rod moves synchronously. The lower end of the cleaning rod is equipped with a brush and a scraper. During the movement of the cleaning rod, the brush is used to scrub the surface of the photovoltaic panel to remove debris, and the scraper is used to remove residual water stains and sticky bird droppings from the surface of the photovoltaic panel. The first spring lifts the sliding frame to move and reset, and the sliding frame pulls the first traction rope to move and reset, and the first traction rope drives the winding frame to rotate. At the same time, the winding frame drives the second traction rope to wind up, and so on, thereby realizing the cyclical cleaning of the photovoltaic panel surface.

[0021] 2. In the floating photovoltaic equipment described in this invention, as the buoy moves up and down with the waves, the buoy drives the third traction rope to move synchronously, simultaneously pulling the piston to reciprocate within the sealed cavity. When the pistons move closer together using the first tension spring, they compress the seawater within the sealed cavity and force it into the folded tube, where it is then sprayed out through the T-shaped spray pipe to wash the surface of the photovoltaic panel, softening bird droppings on the panel. When the buoy pulls the third traction rope, causing the pistons to move away from each other, the pistons draw water from the sealed cavity, creating negative pressure and opening the water inlet to draw seawater into the sealed cavity. As the pistons move away from each other, they compress the seawater on both sides of the sealed cavity and spray it out through the spray nozzles to create waves. This creates a relative force with the waves sprayed from the spray nozzles on the other side of the frame, thereby reducing the thrust generated by the waves created by the seawater sprayed from the spray nozzles on both sides of the frame, thus ensuring the stability of the frame on the sea surface.

[0022] 3. The floating photovoltaic equipment described in this invention utilizes ocean waves to propel the buoys up and down. During the upward movement of the buoys, a second tension spring within the wave-making channel pulls the sliding plates closer together, simultaneously squeezing seawater between the plates and ejecting it through nozzles to create water waves. Conversely, as the buoys move downward with the waves and counterweights, a third traction rope pulls the sliding plates away from each other, squeezing seawater on both sides of the wave-making channel and ejecting it through nozzles to create water waves. The water waves generated by the nozzles and ejected water waves counteract the waves pushing towards the shore, reducing the amplitude of the waves and preventing direct impact on the frame. This prevents the assembled photovoltaic equipment from swaying excessively, leading to structural fatigue deformation and other damage, thus affecting its lifespan. Attached Figure Description

[0023] The invention will now be further described with reference to the accompanying drawings.

[0024] Figure 1 This is a schematic diagram of the overall structure of the main view of the present invention;

[0025] Figure 2 This is a rear-view stereoscopic structural schematic diagram of the present invention;

[0026] Figure 3 This is a three-dimensional structural diagram of the present invention viewed from below;

[0027] Figure 4 This is a schematic diagram of the photovoltaic support plate assembly structure of the present invention;

[0028] Figure 5 This is a schematic diagram of the disassembly structure of the cleaning component of the present invention;

[0029] Figure 6This is a partial cross-sectional schematic diagram of the internal structure of the mounting bracket of the present invention;

[0030] Figure 7 This is a schematic diagram of the internal structure of the frame of the present invention in half section;

[0031] Figure 8 This is a schematic diagram of the pontoon installation structure of the present invention;

[0032] In the diagram: 1. Frame; 2. Air-floating block; 3. Mounting block; 4. Mounting frame; 5. Photovoltaic support plate;

[0033] 6. Spraying assembly; 61. Sealing chamber; 62. Inlet; 63. First tension spring; 64. Piston; 65. Folded pipe; 66. T-shaped spraying pipe;

[0034] 7. Photovoltaic panels; 8. Cleaning components;

[0035] 81. Slide groove; 82. Fixed slide column; 83. First spring; 84. Sliding frame; 85. Cleaning rod; 86. First traction rope; 87. Limiting block;

[0036] 9. Spray nozzle; 10. Water jet nozzle; 11. Float; 12. Second traction rope; 13. Winding frame; 14. Sealing plate; 15. Through-hole; 16. Counterweight; 17. Wave trough; 18. Second tension spring; 19. Slide plate; 20. Third traction rope; 21. H-shaped rotating block; 22. Ratchet; 23. Second spring; 24. L-shaped locking block; 25. L-shaped rotating groove; 26. Rotating shaft; 27. Locking groove. Detailed Implementation

[0037] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0038] Example 1: As Figures 1 to 8 As shown in the embodiment of the present invention, a floating photovoltaic device includes a frame 1. Air flotation blocks 2 are provided at the four corners of the frame 1. The frame 1 has slots 27 at both ends for splicing with other frames 1 through the slots 27. Mounting blocks 3 are provided at both ends of the frame 1. Mounting frames 4 are inserted into the inner cavity of the mounting blocks 3. Photovoltaic support plates 5 are rotatably arranged between the mounting frames 4. Photovoltaic panels 7 are installed in the upper end of the photovoltaic support plates 5. A cleaning component 8 is provided inside the photovoltaic support plates 5.

[0039] Furthermore, the cleaning component 8 includes a groove 81 opened at the lower end of the photovoltaic support plate 5. Fixed sliding columns 82 are installed on both sides of the inner cavity of the groove 81. A reciprocating sliding frame 84 is slidably arranged outside the fixed sliding column 82, and the sliding frame 84 drives the cleaning rod 85 fixed at the upper end to move synchronously, which can clean bird droppings and other dirt from the surface of the photovoltaic panel 7.

[0040] The inner cavity of the frame 1 is equipped with a buoyancy assembly, which includes a float 11 that slides in the inner cavity of the frame 1. Four third traction ropes 20 are fixed to the outside of the float 11. Two of the third traction ropes 20 have one end that passes through the frame 1 and is fixed to a slide plate 19. The third traction ropes 20 are used to drive the slide plate 19 to reciprocate and pump seawater to form waves.

[0041] Specifically, in existing technologies, floating platforms are typically laid in Shanghai, and then support frames are installed on the floating platforms. At the same time, photovoltaic panels are installed on the support frames. Although this provides a landing place for birds such as seagulls, the droppings and feathers of these birds, as well as the weeds from their nests, cause dirt and grime to accumulate on the surface of the photovoltaic panels. If the excessive accumulation of bird droppings and garbage is not cleaned in time, it will affect the power generation performance of the photovoltaic panels.

[0042] In this invention, when laying offshore photovoltaic equipment, multiple frames 1 are spliced ​​together using slots 27 to form a floating platform. Then, mounting frames 4 are inserted and fixed inside mounting blocks 3. Simultaneously, photovoltaic panels 7 are installed on photovoltaic support plates 5 between the mounting frames 4. By rotating the photovoltaic support plates 5, the tilt angle of the photovoltaic panels 7 is adjusted to better receive sunlight. During operation, the sliding frame 84 outside the fixed sliding column 82 reciprocates, simultaneously moving the cleaning rod 85. This allows the cleaning rod 85 to clean bird droppings and other dirt from the surface of the photovoltaic panels 7, preventing their accumulation from affecting the power generation efficiency. After the frame 1 is installed, the floating pontoons 11 are propelled by ocean waves. The float 11 moves up and down within the inner cavity of the frame 1, while the third traction rope 20 extends and retracts within the inner cavity of the frame 1. This causes the third traction rope 20 to pull the sliding plate 19 to move synchronously within the inner cavity of the frame 1. As the sliding plate 19 slides back and forth within the inner cavity of the frame 1, it squeezes the seawater in the inner cavity of the frame 1 and pushes it outward. This causes the seawater to form waves that collide with the waves pushed towards the shore, thereby reducing the impact of the waves on the frame 1. This reduces the swaying of the frame 1 and prevents the photovoltaic equipment from being subjected to large mechanical stress for a long time, which could lead to structural fatigue and deformation. Furthermore, reducing the impact force of the waves also reduces the tilt angle of the photovoltaic panel 7, thus ensuring that the photovoltaic panel 7 always remains in a stable state to receive solar radiation, increasing power generation, and thus solving the aforementioned problems.

[0043] like Figure 1 , Figure 5 and Figure 6 As shown, a first spring 83 is fixedly connected to one side of the sliding frame 84. The first spring 83 is fixedly connected to the photovoltaic support plate 5. A brush and a scraper are provided on the lower end face of the cleaning rod 85. The brush is used to scrub the surface of the photovoltaic panel 7 to remove debris, and the scraper is used to remove residual water stains and sticky bird droppings from the surface of the photovoltaic panel 7.

[0044] like Figure 1 , Figures 4 to 6 As shown, an L-shaped rotating groove 25 is provided inside one end of the mounting bracket 4. A second spring 23 is fixedly connected to the inner wall of the L-shaped rotating groove 25. An L-shaped locking block 24 is fixedly connected to one end of the second spring 23. A rotating shaft 26 is rotatably connected between the mounting brackets 4. A ratchet 22 is fixedly connected to the outside of the inner cavity of the L-shaped rotating groove 25 on the rotating shaft 26. The L-shaped locking block 24 is inserted and engaged with the ratchet 22.

[0045] like Figure 1 , Figures 4 to 6 As shown, an H-shaped rotating block 21 is fixedly connected to the outside of the rotating shaft 26, and the H-shaped rotating block 21 is fixedly installed to the photovoltaic support plate 5 by bolts. The rotating shaft 26 is used to drive the H-shaped rotating block 21 to rotate, which can drive the photovoltaic support plate 5 to rotate and adjust the tilt angle of the photovoltaic panel 7.

[0046] Specifically, after the photovoltaic panel 7 is installed, the L-shaped locking block 24 is pressed to compress the second spring 23, which in turn rotates the photovoltaic support plate 5. This causes the photovoltaic support plate 5 to rotate the H-shaped rotating block 21, which in turn rotates the rotating shaft 26, which in turn rotates the ratchet 22. This allows the photovoltaic support plate 5 to adjust the tilt angle of the photovoltaic panel 7, so that the photovoltaic panel 7 can better receive sunlight radiation. After the angle of the photovoltaic panel 7 is adjusted, the second spring 23 is used to lift the L-shaped locking block 24, which then engages with the ratchet 22, thereby fixing the rotating shaft 26 and the photovoltaic support plate 5. This solves the problem that in existing floating photovoltaic equipment, the photovoltaic panels are usually fixed to the support frame directly using bolts or binding. This results in the need to disassemble and reinstall the photovoltaic panel and the support frame when adjusting the tilt angle, which is not only cumbersome but also affects the efficiency of photovoltaic panel installation.

[0047] like Figure 3 , Figure 6 and Figure 8 As shown, a winding frame 13 is fixedly received on the outside of the rotating shaft 26. A second traction rope 12 is fixedly received in the middle of the winding frame 13. One end of the second traction rope 12 is fixedly installed with the float 11. The float 11 is used to drive the second traction rope 12 to pull the winding frame 13 to rotate. A counterweight block 16 is installed in the middle of the lower end of the float 11.

[0048] like Figure 3 , Figure 5 and Figure 6As shown, two first traction ropes 86 are fixedly received on both sides of the winding frame 13. A sealing plate 14 is installed on the lower end face of the photovoltaic support plate 5. Two openings 15 are opened on the lower end face of the sealing plate 14. Two limiting blocks 87 are provided on one side of the inner wall of the slide groove 81, and one end of the two first traction ropes 86 passes through the openings 15 and the limiting blocks 87 and is fixedly connected to the sliding frame 84.

[0049] Specifically, when cleaning the surface of the photovoltaic panel, the float 11 moves up and down using the waves. When the float 11 moves downward, it pulls the second traction rope 12 out from inside the winding frame 13. At the same time, the second traction rope 12 drives the winding frame 13 to rotate. During the rotation of the winding frame 13, it drives the first traction rope 86 to wind up. Simultaneously, the first traction rope 86 pulls the sliding frame 84 to slide outside the fixed sliding column 82, and the sliding frame 84 drives the cleaning rod 85 to move synchronously. The lower end of the cleaning rod 85 is equipped with a brush and a scraper. Thus, during the movement of the cleaning rod 85, the brush can be used to scrub the surface of the photovoltaic panel 7 to remove debris, and the scraper can be used to remove residual water stains and sticky bird droppings from the surface of the photovoltaic panel 7. When the float 11 moves upward, it uses the first spring... 83 pops up the sliding frame 84 and moves it back to its original position. At the same time, the sliding frame 84 pulls the first traction rope 86 to move back to its original position, and the first traction rope 86 drives the winding frame 13 to rotate. During the rotation, the winding frame 13 drives the second traction rope 12 to wind up. This solves the problem that in existing floating photovoltaic equipment, after the photovoltaic panels are laid on the sea surface, the equipment attracts birds to land and roost. This causes bird droppings to fall on the surface of the photovoltaic panels. If they are not cleaned, they will accumulate for a long time and affect the power generation of the photovoltaic panels. In particular, after the bird droppings are dried by the sun, they will stick and solidify on the surface of the photovoltaic panels. It is difficult to clean the dried and solidified bird droppings with a broom alone. This not only affects the power generation of the photovoltaic panels, but also reduces the lifespan of the photovoltaic panels.

[0050] Example 2: Figure 2 , Figure 7 and Figure 8 As shown, both sides of the frame 1 are provided with wave-spraying nozzles 9, and a wave-making channel 17 is provided inside one side of the frame 1. Two sliding plates 19 are slidably connected in the inner cavity of the wave-making channel 17, and a second tension spring 18 is fixed between the two sliding plates 19. A water-spraying nozzle 10 is provided in the middle of the wave-making channel 17, and the sliding plates 19 are driven to reciprocate in the inner cavity of the wave-making channel 17 to circulate and pump seawater to create waves.

[0051] Specifically, after the photovoltaic panels 7 are laid, the pontoons 11 are moved up and down by the ocean waves. As the pontoons 11 move upwards, the second tension spring 18 inside the wave-making channel 17 pulls the sliding plates 19 closer together. Simultaneously, the seawater squeezed between the sliding plates 19 is ejected through the nozzles 10, creating water waves. As the pontoons 11 move downwards with the ocean waves and the counterweight 16, the third traction rope 20 pulls the sliding plates 19 away from each other. At the same time, the sliding plates 19 squeeze the seawater on both sides of the wave-making channel 17, causing it to be ejected through the nozzles 9, creating water waves. The water waves generated by the nozzles 10 and 9 collide with the waves pushing towards the shore, thus... By reducing the amplitude of ocean waves and preventing them from directly impacting frame 1, thus preventing significant swaying of the assembled photovoltaic equipment, this solution addresses the problem of existing floating photovoltaic systems being unable to reduce the amplitude of waves pushing towards the shore after installation. This results in waves directly impacting the installed photovoltaic equipment, causing it to sway significantly with the waves. Prolonged exposure to this large-scale swaying generates mechanical stress, which can easily lead to structural fatigue and deformation. Furthermore, the swaying of the photovoltaic equipment affects the tilt angle of the photovoltaic panels, preventing them from maintaining a stable state to receive sunlight and significantly reducing the power generation of the photovoltaic system.

[0052] like Figure 2 , Figure 7 and Figure 8 As shown, a spraying assembly 6 is provided on one side of the frame 1, and the spraying assembly 6 includes a sealed cavity 61 opened in one side of the frame 1. Two pistons 64 are slidably connected in the sealed cavity 61, and a third traction rope 20 is fixedly connected to one side of each of the two pistons 64. One end of the third traction rope 20 passes through the frame 1 and is fixedly connected to the float 11.

[0053] like Figure 1 , Figure 7 and Figure 8 As shown, a first tension spring 63 is fixed between pistons 64. A water inlet 62 is provided at the bottom of the inner cavity of the sealed cavity 61, and a one-way valve is provided in the inner cavity of the water inlet 62. The one-way valve can only be flipped open into the sealed cavity 61 to drive the pistons 64 to reciprocate. It can cyclically open the one-way valve to draw seawater into the sealed cavity 61.

[0054] like Figure 2 , Figure 7 and Figure 8As shown, a folded tube 65 is fixedly connected to one side of the upper end of the frame 1, and the folded tube 65 is connected to the sealing cavity 61. A T-shaped spray pipe 66 is fixedly connected to one end of the folded tube 65, and the T-shaped spray pipe 66 is fixedly installed with the photovoltaic support plate 5. A one-way valve is provided at the fixed connection between the T-shaped spray pipe 66 and the folded tube 65, and the one-way valve can only be opened by flipping it into the inner cavity of the T-shaped spray pipe 66.

[0055] Specifically, as the buoy 11 moves up and down with the waves, it drives the third traction rope 20 to move synchronously. Simultaneously, the third traction rope 20 pulls the piston 64 to reciprocate within the sealed cavity 61. When the piston 64 moves closer to the first tension spring 63, it compresses the seawater within the sealed cavity 61, pressurizing it into the folded pipe 65. This pressure opens the one-way valve inside the T-shaped spray pipe 66, allowing the seawater to be sprayed out through the T-shaped spray pipe 66 to rinse the surface of the photovoltaic panel 7. Meanwhile, the buoy 11 pulls... When the third traction rope 20 moves the pistons 64 away from each other, the pistons 64 will draw the sealed cavity 61 to create a negative pressure, opening the one-way valve in the inner cavity of the water inlet 62. At the same time, seawater is drawn into the sealed cavity 61 through the water inlet 62. As the pistons 64 move away from each other, they will squeeze the seawater on both sides of the sealed cavity 61 and eject it through the blowhole 9 to create waves. This creates a relative force with the waves ejected from the blowhole 9 on the other side of the frame 1, thereby reducing the thrust generated by the waves created by the seawater ejected from the blowholes 9 on both sides of the frame 1, so as to ensure the frame 1. The stability of the photovoltaic panel 7 on the sea surface is improved. The seawater sprayed onto the surface of the photovoltaic panel 7 washes and softens bird droppings and other dirt, making it easier for the cleaning rod 85 to scrape them off. At the same time, the cleaning rod 85 also scrapes off the residual seawater on the surface of the photovoltaic panel 7, preventing the seawater from evaporating and forming crystals on the surface of the photovoltaic panel 7, which would affect the power generation of the photovoltaic panel 7. This solves the problem that when existing floating photovoltaic equipment is laid on the sea surface, a large number of seagulls and other birds will stop or perch on the photovoltaic equipment, which inevitably leads to birds dropping droppings on the surface of the photovoltaic panel. After being exposed to the sun, the bird droppings will stick and solidify on the surface of the photovoltaic panel. It is difficult to clean the dried and solidified bird droppings with a broom alone. Even when using seawater to clean, if the residual seawater on the surface of the photovoltaic panel is not wiped or scraped off after cleaning, the seawater will crystallize after being exposed to the sun. The crystals formed by the seawater will form a white crystalline layer on the surface of the photovoltaic panel. This will not only affect the power generation performance of the photovoltaic panel, but also corrode the photovoltaic panel, causing damage and greatly reducing the service life of the photovoltaic panel.

[0056] Working principle: After the photovoltaic panel 7 is installed, the L-shaped locking block 24 is pressed to squeeze the second spring 23, which in turn causes the photovoltaic support plate 5 to rotate. This causes the photovoltaic support plate 5 to drive the H-shaped rotating block 21 to rotate, and the H-shaped rotating block 21 to drive the rotating shaft 26 to rotate, which in turn drives the ratchet 22 to rotate. This allows the photovoltaic support plate 5 to adjust the tilt angle of the photovoltaic panel 7 so that the photovoltaic panel 7 can better receive the radiation of sunlight. After the angle of the photovoltaic panel 7 is adjusted, the second spring 23 is used to lift the L-shaped locking block 24, and the L-shaped locking block 24 is inserted and engaged with the ratchet 22, thereby fixing the rotating shaft 26 and the photovoltaic support plate 5.

[0057] When cleaning the surface of the photovoltaic panels, the float 11 moves up and down using the waves. When the float 11 moves downward, it pulls the second traction rope 12 out from inside the winding frame 13. At the same time, the second traction rope 12 drives the winding frame 13 to rotate. During the rotation of the winding frame 13, the first traction rope 86 is wound up. Simultaneously, the first traction rope 86 pulls the sliding frame 84 to slide outside the fixed sliding column 82, and the sliding frame 84 drives the cleaning rod 85 to move synchronously. The lower end of the cleaning rod 85 is equipped with a brush and... The scraper can then be used to scrub the surface of the photovoltaic panel 7 with a brush while the cleaning rod 85 moves. At the same time, the scraper can remove residual water stains and sticky bird droppings from the surface of the photovoltaic panel 7. When the float 11 moves upward, the sliding frame 84 is lifted and reset by the first spring 83. At the same time, the sliding frame 84 pulls the first traction rope 86 to move and reset, and the first traction rope 86 drives the winding frame 13 to rotate. The winding frame 13 will drive the second traction rope 12 to wind up during the rotation, thereby realizing the cleaning work on the surface of the photovoltaic panel.

[0058] After the photovoltaic panels 7 are laid, the pontoons 11 are moved up and down by the waves. As the pontoons 11 move upward, the second tension spring 18 in the inner cavity of the wave-making channel 17 pulls the sliding plates 19 closer together. At the same time, the seawater squeezed between the sliding plates 19 is ejected through the spray nozzles 10 to create water waves. As the pontoons 11 move downward with the waves and the counterweight 16, the third traction rope 20 pulls the sliding plates 19 away from each other. At the same time, the sliding plates 19 squeeze the seawater on both sides of the inner cavity of the wave-making channel 17 and eject the seawater through the spray nozzles 9 to create water waves. The water waves generated by the spray nozzles 10 and 9 collide with the waves pushed towards the shore, thereby reducing the amplitude of the waves and preventing the waves from directly impacting the frame 1, which would cause the photovoltaic equipment to swing significantly after splicing, thus improving the service life of the photovoltaic equipment structure.

[0059] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A floating photovoltaic device, characterized in that: The system includes a frame (1), with air flotation blocks (2) at each of the four corners. The frame (1) has slots (27) at both ends, which are used to connect with other frames (1). The frame (1) has mounting blocks (3) at both ends, with mounting brackets (4) inserted into the inner cavity of the mounting blocks (3). A photovoltaic support plate (5) is rotatably mounted between the mounting brackets (4). A photovoltaic panel (7) is installed inside the upper end of the photovoltaic support plate (5). A cleaning component (8) is installed inside the photovoltaic support plate (5). The cleaning component (8) includes a groove (81) at the lower end of the photovoltaic support plate (5). Fixed sliding columns (82) are installed on both sides of the inner cavity of the groove (81). A reciprocating sliding frame (84) is slidably arranged outside the fixed sliding column (82). The sliding frame (84) drives the cleaning rod (85) fixed at the upper end to move synchronously. A first spring (83) is fixedly connected to one side of the sliding frame (84). The first spring (83) is fixedly connected to the photovoltaic support plate (5). A brush and a scraper are provided on the lower end face of the cleaning rod (85) for brushing the photovoltaic support plate. The surface of the photovoltaic panel (7) is cleaned of garbage, and the residual water stains and sticky bird droppings on the surface of the photovoltaic panel (7) are scraped off with a scraper. Both sides of the frame (1) are provided with spray nozzles (9), and a wave trough (17) is provided in one side of the frame (1). Two sliding plates (19) are slidably connected in the inner cavity of the wave trough (17). A second tension spring (18) is fixed between the two sliding plates (19). A water spray nozzle (10) is provided in the middle of the wave trough (17), and the sliding plates (19) are driven to reciprocate in the inner cavity of the wave trough (17) to circulate and pump seawater to create waves. The frame (1) is provided with a buoyancy assembly, and the buoyancy assembly includes a float (11) that slides in the frame (1). Four third traction ropes (20) are fixed to the outside of the float (11). Two of the third traction ropes (20) have one end that passes through the frame (1) and is fixed to a slide plate (19). The third traction ropes (20) are used to drive the slide plate (19) to reciprocate and pump seawater to form waves. The mounting bracket (4) has an L-shaped rotating groove (25) inside one end. A second spring (23) is fixed to the inner wall of the L-shaped rotating groove (25). An L-shaped locking block (24) is fixed to one end of the second spring (23). A rotating shaft (26) is rotatably connected between the mounting brackets (4). A ratchet (22) is fixed to the outside of the inner cavity of the L-shaped rotating groove (25) of the rotating shaft (26). The L-shaped locking block (24) is inserted and engaged with the ratchet (22).

2. The floating photovoltaic equipment according to claim 1, characterized in that: The rotating shaft (26) is externally fixed with an H-shaped rotating block (21), and the H-shaped rotating block (21) is fixedly installed with the photovoltaic support plate (5) by bolts. The rotating shaft (26) is used to drive the H-shaped rotating block (21) to rotate, which can drive the photovoltaic support plate (5) to rotate and adjust the tilt angle of the photovoltaic panel (7).

3. A floating photovoltaic device according to claim 2, characterized in that: The rotating shaft (26) has a winding frame (13) fixedly receiving the winding outside. The winding frame (13) has a second traction rope (12) fixedly receiving the winding in the middle. One end of the second traction rope (12) is fixedly installed with the float (11). The float (11) is used to drive the second traction rope (12) to pull the winding frame (13) to rotate. A counterweight (16) is installed in the middle of the lower end of the float (11).

4. A floating photovoltaic device according to claim 3, characterized in that: The winding frame (13) has two first traction ropes (86) fixedly receiving the winding on both sides. The photovoltaic support plate (5) has a sealing plate (14) installed on its lower end face. The sealing plate (14) has two openings (15) on its lower end face. The inner wall of the slide groove (81) is provided with two limiting blocks (87). One end of each of the two first traction ropes (86) passes through the opening (15) and the limiting block (87) and is fixedly connected to the sliding frame (84).

5. A floating photovoltaic device according to claim 4, characterized in that: A spraying assembly (6) is provided on one side of the frame (1), and the spraying assembly (6) includes a sealed cavity (61) opened in one side of the frame (1). Two pistons (64) are slidably connected in the sealed cavity (61), and a third traction rope (20) is fixedly connected to one side of each of the two pistons (64). One end of the third traction rope (20) passes through the frame (1) and is fixedly connected to the float (11).

6. A floating photovoltaic device according to claim 5, characterized in that: A first tension spring (63) is fixed between the pistons (64). A water inlet (62) is provided at the bottom of the inner cavity of the sealed cavity (61). A one-way valve is provided in the inner cavity of the water inlet (62). The one-way valve can only be flipped open into the sealed cavity (61) to drive the piston (64) to reciprocate. It can cyclically open the one-way valve to draw seawater into the sealed cavity (61).

7. A floating photovoltaic device according to claim 6, characterized in that: A folded tube (65) is fixedly connected to one side of the upper end of the frame (1), and the folded tube (65) is connected to the sealing cavity (61). One end of the folded tube (65) is fixedly connected to a T-shaped spray pipe (66), and the T-shaped spray pipe (66) is fixedly installed with the photovoltaic support plate (5). A one-way valve is provided at the fixed connection between the T-shaped spray pipe (66) and the folded tube (65), and the one-way valve can only be flipped open into the inner cavity of the T-shaped spray pipe (66).

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