Water surface photovoltaic floating system

Abstract

The invention discloses a water surface photovoltaic floating system, and relates to the technical field of solar photovoltaic power generation, the water surface photovoltaic floating system comprises a floating island, an assembly support and an anchoring device, the floating island is composed of a plurality of first buoys and second buoys, the assembly support comprises a guide rail, a front supporting piece and a rear supporting piece, and the anchoring device comprises a shackle, a steel wire rope and a connecting plate. By means of the innovative design and structure, stable installation and efficient power generation of the photovoltaic module on the water surface are achieved, and a new solution is provided for development and utilization of solar energy.

Description

Technical Field

[0001] This invention relates to the technical field of solar photovoltaic power generation, specifically a floating photovoltaic system on water. Background Technology

[0002] With the continued growth of global energy demand and the increasing depletion of traditional energy resources, the development and utilization of renewable energy has become an important part of the global energy strategy.

[0003] Solar energy, as an abundant, clean, and renewable energy source, has attracted widespread attention for its development and application. While traditional ground-mounted photovoltaic power stations have alleviated energy pressure to some extent, their construction requires a large amount of land resources, which has become a major limiting factor in areas with scarce land resources.

[0004] At the same time, with the acceleration of urbanization and the increase in industrial water use, a large number of water bodies are left idle or used inefficiently. How to effectively utilize these idle water bodies while solving the problem of land resource scarcity has become an urgent issue to be addressed in the energy development sector.

[0005] As an innovative method of photovoltaic power generation, floating photovoltaic systems have emerged. They generate electricity by installing photovoltaic modules on the water surface, which not only does not occupy arable land, but also improves power generation efficiency by utilizing the cooling effect of water. At the same time, they can be combined with aquaculture to achieve three-dimensional utilization of land resources. Summary of the Invention

[0006] Therefore, the purpose of this invention is to provide a floating photovoltaic system on water surface to solve the technical problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: A floating photovoltaic system includes a floating island, a component support, and an anchoring device. The floating island is composed of multiple buoys, and the component support includes a guide rail, a front support, and a rear support. The anchoring device includes a shackle, a steel wire rope, and a connecting plate.

[0008] Preferably, the top two ends of the float are provided with mounting grooves, the four corners of the float are provided with beveled surfaces, and the beveled surfaces are provided with connection points.

[0009] Preferably, the second pontoon has the same structure as the first pontoon, but the second pontoon is shorter than the first pontoon.

[0010] Preferably, the second pontoon and the first pontoon are made of high-density polyethylene.

[0011] Preferably, the guide rail is connected to the inner wall of the mounting groove by bolts, and the top of the guide rail is provided with an I-shaped groove for installing the front support and the rear support; the I-shaped groove is provided with multiple I-shaped connectors and is connected and fixed from the bottom of the guide rail by bolts.

[0012] Preferably, the top of the I-shaped connector is provided with a limiting locking point and a threaded hole.

[0013] Preferably, the front support member includes a low support frame plate disposed on the top of the I-shaped connector and connected to the threaded hole by bolts, and a first pressure plate disposed on the top of the low support frame plate.

[0014] Preferably, the rear support member includes a high support frame plate disposed on the top of the I-shaped connector and connected to the threaded hole by bolts, and a second pressure plate disposed on the top of the high support frame plate.

[0015] Preferably, a photovoltaic panel assembly is provided on the top of the low support frame and the high support frame and located on the first pressure plate and the second pressure plate.

[0016] Preferably, the floating system further includes a combiner box, cables, and a transformer substation platform; The combiner box is used to aggregate the small currents generated by multiple photovoltaic modules; the cable is used to transmit the electrical energy generated by the photovoltaic modules and connect various devices; the transformer platform is used to step up the low-voltage AC power output by the inverter to high-voltage power that meets the grid access standards, and integrates protection, control and monitoring functions, and is a key transfer node connecting the photovoltaic array and the public power grid.

[0017] In summary, the present invention has the following main beneficial effects: This invention does not occupy arable land and saves land resources: the floating photovoltaic system generates electricity by installing photovoltaic modules on the water surface, without occupying valuable arable land resources, effectively alleviating the problem of land resource scarcity; this is especially important for areas with scarce land resources, and makes large-scale development of solar energy possible.

[0018] Good cooling effect, improving power generation efficiency: Water has a good cooling effect, which can reduce the operating temperature of photovoltaic modules, thereby improving their power generation efficiency; compared with traditional ground photovoltaic power stations, floating photovoltaic systems can generate more electricity under the same conditions.

[0019] By combining with aquaculture, three-dimensional utilization can be achieved: the floating photovoltaic system on the water surface can be combined with aquaculture to realize the three-dimensional utilization of land resources; while photovoltaic modules are installed on the water surface, aquaculture activities can be carried out underwater, which improves the utilization efficiency and economic value of water areas.

[0020] Stable structure and strong adaptability: This system ensures stability and safety on the water surface through innovative floating island design, component support structure and anchoring device; at the same time, the system can be flexibly adjusted according to different water shapes and water level changes, and has strong adaptability.

[0021] The electrical system is highly efficient and reliable: The electrical components of the system, such as combiner boxes, cables, and transformer substation platforms, enable efficient transmission and conversion of electrical energy; the integrated protection, control, and monitoring functions of the transformer substation platform ensure the safety and reliability of system operation and reduce maintenance costs.

[0022] Environmental protection and energy conservation, sustainable development: As a clean and renewable energy development method, the floating photovoltaic system is in line with the global trend of environmental protection and energy conservation. Its application helps to reduce greenhouse gas emissions, promote the optimization and upgrading of the energy structure, and achieve sustainable development goals. Attached Figure Description

[0023] Figure 1 This is an isometric schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle; Figure 3 This is an isometric schematic diagram of the floating island structure of the present invention; Figure 4 This is an isometric schematic diagram of the component support structure of the present invention; Figure 5 This is a practical schematic diagram of the front support member and the rear support member of the present invention; Figure 6 This is an isometric schematic diagram of the front and rear support members of the present invention; Figure 7 This is an isometric schematic diagram of the anchoring device structure of the present invention.

[0024] Figure descriptions: 10. Floating island; 11. Floating pontoon one; 12. Floating pontoon two; 20. Component bracket; 21. Guide rail; 22. Front support component; 23. Rear support component; 30. Anchoring device; 31. Shackle; 32. Steel wire rope; 33. Connecting plate; 111. Mounting groove; 112. Beveled surface; 113. Connection point; 211. I-shaped groove; 212. I-shaped connector; 2121. Limiting point; 2122. Threaded hole; 221. Low support frame plate; 222. First pressure plate; 231. High support frame plate; 232. Second pressure plate. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0026] Example like Figures 1 to 7 As shown, a floating photovoltaic system includes a floating island 10, a component support 20, and an anchoring device 30. The floating island 10 is composed of multiple floats 11 and floats 12. The component support 20 includes a guide rail 21, a front support 22, and a rear support 23. The anchoring device 30 includes a shackle 31, a steel wire rope 32, and a connecting plate 33.

[0027] The top two ends of the float 11 are provided with mounting grooves 111, the four corners of the float 11 are provided with beveled surfaces 112, and the beveled surfaces 112 are provided with connection points 113.

[0028] The second pontoon 12 has the same structure as the first pontoon 11, but the second pontoon 12 is shorter in length than the first pontoon 11.

[0029] The floats 12 and 11 are made of high-density polyethylene.

[0030] The guide rail 21 is connected to the inner wall of the mounting groove 111 by bolts. The top of the guide rail 21 is provided with an I-shaped groove 211, which is used to install the front support member 22 and the rear support member 23. The I-shaped groove 211 is provided with a plurality of I-shaped connectors 212, which are connected and fixed from the bottom of the guide rail 21 by bolts.

[0031] The top of the I-shaped connector 212 is provided with a limiting point 2121 and a threaded hole 2122.

[0032] The front support member 22 includes a low support frame plate 221 disposed on the top of the I-shaped connector 212 and connected to the threaded hole 2122 by bolts, and a first pressure plate 222 disposed on the top of the low support frame plate 221.

[0033] The rear support member 23 includes a high support frame plate 231 located on the top of the I-shaped connector 212 and connected to the threaded hole 2122 by bolts, and a second pressure plate 232 located on the top of the high support frame plate 231.

[0034] The photovoltaic panel assembly is located on the top of the low support frame plate 221 and the high support frame plate 231 and on the first pressure plate 222 and the second pressure plate 232.

[0035] The floating system also includes a junction box, cables, and a transformer platform; The combiner box is used to aggregate the small currents generated by multiple photovoltaic modules; the cable is used to transmit the electrical energy generated by the photovoltaic modules and connect various devices; the transformer platform is used to step up the low-voltage AC power output by the inverter to high-voltage power that meets the grid access standards, and integrates protection, control and monitoring functions, and is a key transfer node connecting the photovoltaic array and the public power grid.

[0036] It should be noted that in this embodiment, a floating photovoltaic system is provided. This system is designed to address the scarcity of land resources. By utilizing idle water areas for photovoltaic power generation, it achieves multiple advantages such as not occupying arable land, having good cooling effect, and being compatible with aquaculture.

[0037] The system mainly consists of six parts: floating island, component support, anchoring device, combiner box, cable and transformer platform.

[0038] The floating island is composed of multiple pontoons 11 and 22. Both pontoons 1 and 2 are made of high-density polyethylene (HDPE), which is lightweight, water-resistant, corrosion-resistant, and anti-aging, with a service life of up to 25 years.

[0039] The top of buoy one has mounting grooves 111 at both ends for connecting to the guide rail 21; it has beveled surfaces 112 at the four corners, with connection points 113 at the beveled surfaces to facilitate splicing and fixing between buoys. Buoy two has a similar structure to buoy one, but is slightly shorter to more flexibly adapt to different water shapes.

[0040] The component support 20 includes a guide rail 21, a front support 22 and a rear support 23.

[0041] The guide rail 21 is bolted into the mounting groove 111 of the float, and has an I-shaped groove 211 embedded in its top for mounting the front and rear support components. Multiple I-shaped connectors 212 are provided within the I-shaped groove, connected and fixed from the bottom of the guide rail with bolts to ensure structural stability. The front support component 22 includes a low support frame plate 221 and a first pressure plate 222. The low support frame plate is connected to the threaded holes 2122 on the top of the I-shaped connectors with bolts. The rear support component 23 includes a high support frame plate 231 and a second pressure plate 232, also connected to the threaded holes with bolts. Photovoltaic panel components are mounted on the top of the low and high support frame plates, and are fixed by the first and second pressure plates.

[0042] The anchoring device 30 includes a shackle 31, a wire rope 32, and a connecting plate 33, which are used to fix the entire floating array in a designated water area to prevent it from being swept away or drifted by water flow or waves.

[0043] Meanwhile, the anchoring device allows the buoy to rise and fall freely with the water level, ensuring the system's stability on water.

[0044] The floating system also includes combiner boxes, cables, and a transformer platform. The combiner box is used to aggregate the small currents generated by multiple photovoltaic modules, improving system efficiency; the cables are used to transmit the electrical energy generated by the photovoltaic modules and connect various devices to ensure smooth power transmission; the transformer platform is used to step up the low-voltage AC power output from the inverter to high-voltage power that meets grid connection standards, and integrates protection, control, and monitoring functions, serving as a key transfer node connecting the photovoltaic array to the public power grid.

[0045] The working principle of this invention is as follows: Floating islands and component supports work together The floating island serves as the "water base" of the floating system, using the buoyancy of the pontoons to stably support the entire photovoltaic system on the water surface.

[0046] The module support structure is responsible for securing the photovoltaic modules to the floating island. By adjusting the height of the front and rear support members, the photovoltaic modules are tilted at the optimal angle to maximize sunlight absorption and improve power generation efficiency. The cooperation between the guide rails and I-shaped connectors ensures the stability and adjustability of the module support structure, enabling the system to adapt to changes in different aquatic environments.

[0047] Anchoring device ensures system stability The anchoring device uses steel wire ropes and shackles to fix the floating array in a designated water area, preventing it from being washed away or drifted away by external forces such as water flow and waves.

[0048] Meanwhile, the anchoring device is designed to allow the float to rise and fall freely with the water level, ensuring the stability and safety of the system under different water level conditions.

[0049] The electrical components enable the transmission and conversion of electrical energy. The direct current (DC) generated by the photovoltaic modules is transmitted via cables to a combiner box for aggregation, and then converted into alternating current (AC) by an inverter. The transformer substation platform boosts the low-voltage AC output from the inverter to high-voltage electricity that meets grid connection standards, enabling long-distance transmission and distribution of electrical energy.

[0050] Meanwhile, the integrated protection, control, and monitoring functions of the prefabricated substation platform ensure the safety and reliability of system operation.

[0051] The above embodiments are merely illustrative of the technical concept of the present invention and should not be construed as limiting the scope of protection of the present invention. Any modifications made to the technical solutions based on the technical concept proposed in this invention shall fall within the scope of protection of this invention.

Claims

1. A floating photovoltaic system, comprising a floating island (10), a module support (20), and an anchoring device (30), characterized in that, The floating island (10) is composed of multiple pontoons one (11) and pontoons two (12). The component support (20) includes a guide rail (21), a front support (22), and a rear support (23). The anchoring device (30) includes a shackle (31), a wire rope (32), and a connecting plate (33).

2. The floating photovoltaic system according to claim 1, characterized in that, The top two ends of the first pontoon (11) are provided with mounting grooves (111), the four corners of the first pontoon (11) are provided with beveled surfaces (112), and the beveled surfaces (112) are provided with connection points (113).

3. The floating photovoltaic system according to claim 1, characterized in that, The second pontoon (12) has the same structure as the first pontoon (11), but the second pontoon (12) is shorter than the first pontoon (11).

4. The floating photovoltaic system according to claim 1, characterized in that, The floats 2 (12) and 1 (11) are made of high-density polyethylene.

5. A floating photovoltaic system on a water surface according to claim 2, characterized in that, The guide rail (21) is connected to the inner wall of the mounting groove (111) by bolts. The top of the guide rail (21) is provided with an I-shaped groove (211), which is used to install the front support (22) and the rear support (23). The I-shaped groove (211) is provided with multiple I-shaped connectors (212) and is connected and fixed from the bottom of the guide rail (21) by bolts.

6. A floating photovoltaic system according to claim 5, characterized in that, The top of the I-shaped connector (212) is provided with a limiting point (2121) and a threaded hole (2122).

7. A floating photovoltaic system on a water surface according to claim 6, characterized in that, The front support member (22) includes a low support frame plate (221) disposed on the top of the I-shaped connector (212) and connected to the threaded hole (2122) by bolts, and a first pressure plate (222) disposed on the top of the low support frame plate (221).

8. A floating photovoltaic system according to claim 7, characterized in that, The rear support member (23) includes a high support frame plate (231) located on top of the I-shaped connector (212) and connected to the threaded hole (2122) by bolts, and a second pressure plate (232) located on top of the high support frame plate (231).

9. A floating photovoltaic system according to claim 8, characterized in that, The photovoltaic panel assembly is provided on the top of the low support frame plate (221) and the high support frame plate (231) and located on the first pressure plate (222) and the second pressure plate (232).

10. A floating photovoltaic system according to claim 1, characterized in that, The floating system also includes a junction box, cables, and a transformer platform; The combiner box is used to aggregate the small currents generated by multiple photovoltaic modules; the cable is used to transmit the electrical energy generated by the photovoltaic modules and connect various devices; the transformer platform is used to step up the low-voltage AC power output by the inverter to high-voltage power that meets the grid access standards, and integrates protection, control and monitoring functions, and is a key transfer node connecting the photovoltaic array and the public power grid.

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