A flexible connected scalable modular floating photovoltaic platform structure

Abstract

The application discloses a flexible connection extensible modular floating photovoltaic platform structure and belongs to the technical field of ocean engineering. The structure comprises a floating energy platform module and a flexible shock attenuation connection module. The floating energy platform module is a standardized hexagonal structure and is detachably spliced with multiple modules through the flexible shock attenuation connection module. The floating energy platform module comprises a photovoltaic platform, a radial truss system, a bottom floating body and a hoop type constraint connecting piece. The flexible shock attenuation connection module comprises upper and lower limiting structures, a spherical hinge hinged mechanism, a spring buffering mechanism, a rubber fender and a sealing flange. The application realizes flexible buffering, modular expansion and stable connection, can effectively buffer wind and wave impact, avoids stress concentration, flexibly adapts to photovoltaic installation requirements of different scales, has strong corrosion resistance of components, is convenient to operate and maintain, can be prefabricated in a factory and rapidly spliced on site, is suitable for construction of large-scale photovoltaic power stations in various waters and has remarkable economic and environmental protection benefits.

Description

Technical Field

[0001] This invention belongs to the field of marine engineering technology, specifically relating to a flexible, scalable, modular floating photovoltaic platform structure. Background Technology

[0002] Renewable energy development has entered a stage of large-scale, high-quality development. As an important component of clean and low-carbon energy, photovoltaic power generation is expanding its application scenarios from land to oceans, lakes, and other water bodies. Oceans and inland waters possess vast spatial resources and abundant sunlight, and the evaporative cooling effect of the water surface can effectively reduce the operating temperature of photovoltaic modules. Compared to terrestrial photovoltaic systems, power generation efficiency can be increased by 5%-15%. Therefore, floating photovoltaic platforms have become a research hotspot in the field of marine engineering technology, providing an effective solution to problems such as scarce land resources, limited photovoltaic installed capacity, and competition between photovoltaics and food production for land.

[0003] Currently, most existing floating photovoltaic platforms adopt a rigidly connected floating array structure, connecting multiple floating units into a whole through welding or fixing bolts. While this type of structure has a certain load-bearing capacity, it has many shortcomings in actual marine applications and is difficult to adapt to complex aquatic environments and large-scale development needs. On the one hand, the marine environment is complex and changeable. Factors such as wind, waves, tides, and currents can generate continuous multi-directional impact loads on the platform. The rigid connection method cannot effectively disperse and buffer wave forces, easily leading to stress concentration at the connection nodes. After long-term operation, structural fatigue, fracture, weld cracking, and other damage are likely to occur. Especially under extreme sea conditions such as typhoons and giant waves, there is even a risk of platform array disintegration and capsizing, seriously affecting the stability and service life of the platform. On the other hand, existing platforms are mostly integral or single modular designs with fixed module specifications and rigid connection methods, resulting in poor expansion flexibility. It is difficult to flexibly splice and expand according to the dynamic needs of photovoltaic installation capacity. Moreover, when a single module is damaged, the entire system must be shut down for repair, resulting in poor maintenance convenience and high operation and maintenance costs, which cannot meet the industrialization needs of large-scale marine photovoltaic development.

[0004] Meanwhile, the marine environment is characterized by high salt spray, high humidity, and strong corrosion, placing extremely high demands on the corrosion resistance and aging resistance of platform components. Existing platforms often have shortcomings in their connection structures and protective designs. Metal connectors lack effective corrosion protection, and the floats are mostly made of ordinary polymer materials with insufficient sealing performance. After long-term service, problems such as corrosion of metal components, aging and leakage of the floats, and decreased structural strength easily occur, further reducing the platform's reliability and service life. Furthermore, the buffer and shock-absorbing structure design of existing floating photovoltaic platforms is inadequate. Adjacent modules are simply fitted with rubber pads or lack dedicated buffering mechanisms, lacking effective flexible buffering and limiting mechanisms. Under the influence of wind and waves, rigid collisions are prone to occur, causing not only damage to the platform structure but also displacement of photovoltaic modules, reduced installation accuracy, and consequently affecting the power generation efficiency of the photovoltaic system, or even causing module damage.

[0005] In response to the technical shortcomings of existing floating photovoltaic platforms, such as weak wind and wave resistance, high connection rigidity, poor buffering effect, inconvenient modular expansion, and insufficient corrosion resistance, there is an urgent need to develop a floating photovoltaic platform structure that can adapt to complex marine environments, has good flexible buffering performance, can be flexibly expanded, has high stability, and is highly corrosion resistant. This will promote the large-scale and high-quality development of offshore floating photovoltaic technology and reduce the cost of industrial application. Summary of the Invention

[0006] Technical Problem Solved: To address the aforementioned technical problems, this invention provides a flexible, expandable, modular floating photovoltaic platform structure that effectively solves the technical defects of existing floating photovoltaic platforms, such as weak wind and wave resistance, high connection rigidity, poor buffering effect, inconvenient modular expansion, and insufficient corrosion resistance. It achieves flexible buffering, flexible modular expansion, stable connection, and long-term corrosion protection, adapting to different scales of offshore photovoltaic installation needs and improving the platform's service reliability and economy in complex aquatic environments.

[0007] Technical Solution: In a first aspect, the present invention provides a flexible, scalable, modular floating photovoltaic platform structure, including a floating energy platform module and several flexible shock-reducing connection modules. The floating energy platform module includes a photovoltaic platform, a radial truss system, flanges, a bottom float, and bottom float constraint connectors. The radial truss system includes multiple trusses arranged radially and uniformly. The trusses are made of high-strength, corrosion-resistant material, and the truss nodes are integrally welded and ultrasonically tested. The outer truss nodes are fixedly welded with flanges, and the bottom inner truss nodes are connected to the bottom float constraint connectors. The bottom float is detachably fixed to the radial truss system via the bottom float constraint connectors. The photovoltaic platform is laid on top of the radial truss system. The flexible shock-reducing connection module includes an upper limiting structure, a lower limiting structure, a semi-circular ball joint, a ball-shaped base rod, a spring, a flange, a rubber fender, and fender fastening nuts. The upper and lower limiting structures are arranged vertically and vertically, and both are integrally formed with semi-circular ball joints. The ball-shaped base rod has ball joints at both ends, which are adapted to the semi-circular ball joints to form a hinged fit. The spring is arranged along the axial direction of the ball-shaped base rod, and its end is threaded to the ball-shaped base rod. The spring is covered with a spring protective shell. The rubber fender is fixed between the upper and lower limiting structures by the fender fastening nuts. The flange of the flexible shock-reducing connection module is precisely connected to the flange of the floating energy platform module, and is fastened with bolts and nuts and a sealing gasket is set to achieve a modular and detachable connection.

[0008] Preferably, the floating energy platform module has a standardized hexagonal structure, and multiple floating energy platform modules can be disassembled and spliced ​​together through flexible shock-reducing connection modules to form an expandable floating photovoltaic platform array.

[0009] Preferably, the bottom float is a hollow sealed pontoon with cross-shaped reinforcing ribs inside, evenly distributed at the bottom of the radial truss system.

[0010] Preferably, the bottom float constraint connector is a clamp-type structure made of stainless steel, and the inner side of the clamp is provided with an anti-slip rubber pad.

[0011] Preferably, the surface of the photovoltaic platform is provided with an angle-adjustable photovoltaic module mounting bracket, and the edge is provided with a protective railing.

[0012] Preferably, the spring protective housing has a cylindrical structure with sealing end caps at both ends.

[0013] Secondly, the present invention provides an installation method for a flexible, scalable, modular floating photovoltaic platform structure as described in the first aspect, comprising the following steps: Based on the deployment water area, wind, wave and tide parameters and photovoltaic installation capacity requirements of the photovoltaic platform, complete the specification selection and size matching of each component, including the bottom floating body, radial truss system, flange, bottom floating body constraint connector and flexible shock-reducing connection module; check the hollow sealing performance of the bottom floating body, the bolt hole alignment accuracy of the flange, and the clamping performance of the bottom floating body constraint connector; and complete the pre-installation of the floating energy platform module and the flexible shock-reducing connection module. The pre-installed floating energy platform module is towed to the designated photovoltaic deployment area, and gas at a preset pressure is injected into the bottom float to make it float steadily on the water surface. The buoyancy balance of the floating energy platform module is checked using a level detection device to ensure that it is not tilted or leaking gas or liquid. The flexible shock-reducing connection module is transported to the deployment water area. The horizontal height of the flexible shock-reducing connection module and the floating energy platform module is adjusted to ensure that the flanges of the two are precisely aligned. Hexagonal head bolts are inserted into the corresponding bolt holes of the mating flanges, and hexagonal nuts are tightened to achieve a high-strength fastening connection between the two, thus completing the assembly of a single floating energy platform module and the flexible shock-reducing connection module. According to the expansion needs of photovoltaic installation scale, the remaining pre-installed floating energy platform modules are transported to the deployment water area in sequence. They are spliced ​​with the assembled platform modules through flexible shock-reducing connection modules to confirm that the rubber fenders are in an effective restraint state. The horizontal position of each module is adjusted to ensure that there is no looseness at all flange joints and that the connection of each component of the flexible shock-reducing connection module is reliable. After all modules are assembled, check the support status of the radial truss system, the clamping and fixing effect of the bottom float, test the rotation flexibility of the ball bottom rod relative to the semi-circular ball hinge, the tension and contraction performance of the spring, and the fixing effect of the fender fastening nut on the rubber fender, to ensure that all structures of the entire floating photovoltaic platform can work normally and complete the deployment and preparation for use of the platform. During daily use, regularly check the sealing status and buoyancy stability of the bottom float, check the tightness of the hexagonal head bolts and hexagonal nuts at the flange connection, the clamping status of the bottom float constraint connectors, regularly test the elastic performance of the springs, the integrity of the rubber fenders, the protective effect of the spring protective shell, and the constraint status of the fender fastening nuts, and replace aged or damaged components in a timely manner to ensure the safe and stable operation of the photovoltaic platform in the aquatic environment.

[0014] Beneficial Effects: This invention, through the collaborative design of a floating energy platform module and a flexible shock-absorbing connection module, overcomes the technical bottleneck of traditional rigid-connection floating photovoltaic platforms, achieving the triple functions of flexible buffering, modular expansion, and structurally stable connection of the floating photovoltaic platform. It also solves problems such as poor corrosion resistance and inconvenient operation and maintenance of existing platforms. The bottom floating body constraint connector uses a clamp-like form to achieve detachable and stable constraint between the floating body and the truss system, not only preventing the floating body from shifting and twisting under the action of wind and waves, ensuring structural stability, but also facilitating later disassembly and maintenance, reducing operation and maintenance costs. The semi-circular part of the flexible shock-absorbing connection module... The articulated structure of the ball joint and spherical joint, combined with the tension and contraction of the spring, can effectively buffer the multi-angle impact loads brought by wind and waves in the water, converting the impact kinetic energy into elastic potential energy, avoiding structural stress concentration, significantly improving the platform's wave resistance and structural stability, and reducing the risk of platform disintegration under extreme sea conditions; the fender fastening nuts provide reliable tension and fixation for the rubber fenders, preventing displacement of the rubber fenders, further buffering rigid collisions between modules, and protecting the platform structure and photovoltaic modules; the spring protective shell effectively protects the springs from seawater and salt spray corrosion, extending the service life of components and adapting to highly corrosive marine environments; The flange connection is secured with hexagonal head bolts and hexagonal nuts, combined with sealing gaskets to achieve a high-strength, sealed, and detachable connection between modules. The floating energy platform modules have a standardized hexagonal structure, which can be freely spliced ​​and expanded in one or multiple directions through flexible shock-reducing connection modules to adapt to different scales of photovoltaic installation needs, from kilowatts to megawatts, and meet the needs of large-scale industrial development. All connection parts and functional components adopt a modular and detachable design, which facilitates later maintenance, component replacement and platform expansion operations without the need for overall shutdown, ensuring continuous power generation of the photovoltaic system and reducing operation and maintenance costs and economic losses. The invention features a rational overall structural design, with components made of seawater-resistant materials and equipped with comprehensive anti-corrosion measures. It is suitable for various aquatic environments such as lakes, nearshore areas, and reservoirs, without occupying land resources, thus alleviating the conflict between photovoltaic power generation and agricultural land use. The radial truss system and hexagonal module design ensure balanced force distribution and strong anti-overturning capability of the platform. The photovoltaic module mounting brackets are angle-adjustable, improving power generation efficiency. The entire platform can be prefabricated in a standardized factory and quickly assembled on-site, significantly shortening the construction cycle and reducing construction costs. It provides an effective technical solution for the large-scale and industrialized application of offshore floating photovoltaic platforms, with significant economic value and environmental benefits. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a flexible, scalable, modular floating photovoltaic platform structure according to an embodiment of the present invention. Figure 2 This is a schematic diagram of a floating energy platform module according to an embodiment of the present invention; Figure 3This is a schematic diagram of the bottom surface of the floating energy platform module according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the flexible shock-reducing connection module according to an embodiment of the present invention; Figure 5 This is a top view schematic diagram of the flexible shock-reducing connection module according to an embodiment of the present invention; Figure 6 This is a side view of the flexible shock-reducing connection module according to an embodiment of the present invention; Figure 7 This is a cross-sectional schematic diagram of a floating energy platform module according to an embodiment of the present invention; Figure 8 This is a front view of the flange connection of the floating energy platform module and the flexible shock-reducing connection module according to an embodiment of the present invention. Figure 9 This is a schematic diagram of the bottom floating body constraint connector according to an embodiment of the present invention; Figure 10 This is a schematic diagram of the spring structure of the flexible shock-reducing connection module according to an embodiment of the present invention.

[0016] In the diagram: 100, Floating Energy Platform Module; 101, Flexible Shock-Reducing Connection Module; 200, Bottom Float; 201, Bottom Float Constraint Connector; 300, Upper Limiting Structure; 301, Lower Limiting Structure; 302, Semi-circular Ball Joint; 303, Ball Bottom Rod; 304, Spring; 305, Spring Protective Shell; 306, Flange; 307, Rubber Fender; 308, Fender Fastening Nut; 400, Truss; 501, Hex Head Bolt; 502, Hex Nut. Detailed Implementation

[0017] The present invention will be described in detail below with reference to specific embodiments: Example 1

[0018] like Figures 1-10 As shown, this embodiment provides a flexible, scalable, modular floating photovoltaic platform structure that is suitable for large-scale photovoltaic power plant construction in harsh marine environments such as deep sea. Through the collaborative design of the floating energy platform module 100 and the flexible shock-absorbing connection module 101, the platform achieves stable load-bearing, multi-directional flexible buffering, and standardized modular expansion, fully adapting to the long-term service requirements of calm water environments and waters with light waves, and can meet the photovoltaic installed capacity requirements of 100kW-10MW.

[0019] This structure includes a floating energy platform module 100 and a flexible shock-reducing connection module 101. The floating energy platform module 100 is a standardized hexagonal modular structure, which can be expanded by seamless splicing of multiple modules through the flexible shock-reducing connection module 101. After splicing, the overall structure is uniformly stressed and adaptable to the photovoltaic installation capacity requirements of different scales.

[0020] The floating energy platform module 100 is the core load-bearing and fixing unit for photovoltaic modules, comprising a photovoltaic platform, a radial truss system, flanges 306, a bottom float 200, and a bottom float constraint connector 201. The bottom float 200 is a hollow, sealed pontoon made of high-density polyethylene (HDPE) resistant to seawater corrosion, with internal cross-shaped reinforcing ribs to enhance its impact resistance and load-bearing capacity. The bottom floats 200 are evenly distributed at the bottom of the truss system. The bottom float constraint connector 201 is a clamp-type structure made of stainless steel. One end is bolted to the truss node of the radial truss system, and the other end clamps and fixes the bottom float 200. The inner side of the clamp has an anti-slip rubber pad to enhance clamping stability, achieving rigid constraint between the bottom float 200 and the truss system. This restricts the horizontal displacement and circumferential torsion of the float under the action of water flow and waves, and its detachable design facilitates later inspection, replacement, and maintenance.

[0021] The core component of the radial truss system is truss 400, made of high-strength aluminum alloy. It is radially distributed and directly supports the photovoltaic platform, providing uniform and stable support. The truss nodes of truss 400 are integrated welded connections, with ultrasonic testing performed at the welds to ensure connection strength and eliminate welding defects. The outer truss nodes are fixed with welded flanges 306, while the innermost bottom truss nodes are connected to the bottom floating body constraint connector 201. All trusses 400 are evenly arranged along the hexagonal circumference of the floating energy platform module 100, with consistent spacing between adjacent trusses 400, ensuring balanced stress distribution across the module and improving structural stability and anti-overturning capability. The photovoltaic platform is paved with anti-slip and anti-corrosion fiberglass sheets, with photovoltaic module mounting brackets on the surface. These brackets are fixed to the radial truss system with bolts, and the bracket angle can be adjusted within the range of 15°-30° to adapt to different latitudes and improve the photovoltaic module's power generation efficiency. The photovoltaic platform is equipped with 90cm high guardrails at its edges to ensure the safety of maintenance personnel.

[0022] The flexible shock-reducing connection module 101 is the core unit for flexible connection and buffering between multiple modules. It includes an upper limiting structure 300, a lower limiting structure 301, a flange 306, a semi-circular ball joint 302, a ball base rod 303, a spring 304, a spring protective shell 305, a rubber fender 307, and a fender fastening nut 308. The upper limiting structure 300 and the lower limiting structure 301 are arranged vertically and are both made of stainless steel. Both have a semi-circular ball joint 302 integrally formed. Both ends of the ball base rod 303 are provided with ball joints. The surface of the ball joints is polished and coated with high-temperature and seawater resistant grease. The ball joints are adapted to the corresponding semi-circular ball joints 302 to form a hinged fit, allowing the ball base rod 303 to rotate in multiple directions within a range of ±15° to ±30° relative to the upper and lower limiting structures, adapting to multi-angle impact loads brought by water waves.

[0023] Spring 304 is arranged axially along the ball-and-socket rod 303, made of stainless steel spring steel, with a spring stiffness of 200kN / m. The end of the spring is fixed to the ball-and-socket rod 303 by a threaded connection. When the ball-and-socket rod 303 moves, it can drive the spring 304 to stretch or contract axially, converting the kinetic energy of the wave impact into the elastic potential energy of the spring, achieving effective absorption and dissipation of the impact load, with a significant buffering effect. The spring protective shell 305 is a cylindrical structure made of stainless steel, which completely covers the outside of the spring 304. The spring protective shell 305 has sealing end caps at both ends to protect the spring from seawater and salt spray corrosion, prevent spring corrosion failure, and extend the service life of the spring. The rubber fender 307 is made of nitrile rubber that is resistant to seawater corrosion and aging. It is fixed between the upper limiting structure 300 and the lower limiting structure 301 by the fender fastening nut 308. The fender fastening nut 308 is an anti-loosening nut, which can effectively buffer the rigid collision between modules, absorb the impact force of the collision, and at the same time avoid hard wear at the module connection parts, ensuring the stability and reliability of the buffer structure.

[0024] The flanges of the flexible shock-reducing connection module 101 and the floating energy platform module 100 are precisely matched and connected. The flanges are made of stainless steel and have been treated with anti-corrosion coating. The connection is secured and locked by M30 hexagonal head bolts 501 and hexagonal nuts 502. The hexagonal head bolts are inserted into the corresponding bolt holes of the two flanges. After tightening the hexagonal nuts, a high-strength sealed connection is achieved between the two. The sealing surface is equipped with a corrosion-resistant gasket to prevent seawater from seeping in. The fastening structure of the bolts and nuts facilitates quick disassembly, assembly and adjustment between modules, improving the convenience of platform assembly and expansion.

[0025] In this embodiment, the hexagonal structure design of the floating energy platform module 100 allows for tight, gapless assembly of multiple modules, resulting in strong overall structural stability and excellent anti-overturning capability. The clamp-like design of the bottom float constraint connector 201 provides stable constraint between the float and the truss, and facilitates easy disassembly and maintenance, allowing for quick replacement of damaged individual floats. The ball joint structure and spring buffer design of the flexible shock-reducing connection module 101 effectively dissipate the impact loads from waves. The fender fastening nut 308 enhances the installation stability of the rubber fender 307, ensuring the stability of the buffer structure, avoiding structural stress concentration, and significantly improving the platform's wave resistance and structural stability. This effectively resists the impact of wind and waves, ensuring the platform's safe and stable operation in harsh sea conditions such as deep seas.

[0026] Example 2

[0027] This embodiment provides a method for using a flexible, scalable, modular floating photovoltaic platform structure. Based on the platform structure of Embodiment 1, it is suitable for the deployment, assembly, and daily operation and maintenance of photovoltaic power stations in deep-sea areas. The specific steps are as follows: (1) Preliminary preparation and pre-installation: Based on the layout water area, wind and wave parameters, and photovoltaic installation capacity requirements of the photovoltaic platform, complete the specification selection and size matching of each component, including the bottom floating body 200, the radial truss system truss 400, flange 306, bottom floating body constraint connector 201, and flexible shock-reducing connection module 101. For example, determine the parameters such as the hexagonal distribution of the truss, the floating body size of 5m×4m×2.5m, the bolt specification of M30, and the spring stiffness of 200kN / m; for the bottom floating body 200 0. Conduct hollow sealing performance testing (air pressure test pressure not less than 0.15MPa, pressure holding for 2h without air leakage or liquid seepage), flange bolt hole alignment accuracy testing (alignment deviation ≤2mm), and bottom floating body constraint connector 201 clamping performance testing (clamping force ≥50kN and dynamic load safety factor ≥2.0). Then, complete the factory pre-assembly of floating energy platform module 100 and flexible shock-reducing connection module 101. After pre-assembly, conduct overall strength testing to ensure reliable component connection without loosening or deformation.

[0028] (2) Floating energy platform module deployment: The pre-installed floating energy platform module 100 is towed to the designated photovoltaic deployment area by a tugboat. During the towing process, the module is fixed with a cable to avoid collision damage. After arriving at the designated water area, dry air at a preset pressure (0.08MPa) is filled into the bottom float 200 to make it float stably on the water surface. The buoyancy balance of the floating energy platform module 100 is checked with a level and other testing equipment to ensure that its tilt angle is ≤3°, there is no tilt, and there is no air leakage or liquid seepage. If there is tilt, it is corrected by adjusting the inflation pressure of the bottom float 200.

[0029] (3) Assembly of a single module: Transport the flexible shock-reducing connection module 101 to the deployment water area, adjust the horizontal height of the flexible shock-reducing connection module 101 and the floating energy platform module 100 by using a leveling device, so that the flanges of the two are precisely aligned with a misalignment of ≤2mm; insert the hexagonal head bolts 501 into the corresponding bolt holes of the mating flanges, and tighten the hexagonal nuts 502 with a torque wrench to a preset torque (1800N·m) to achieve a high-strength fastening connection between the two, and complete the assembly of a single floating energy platform module 100 and the flexible shock-reducing connection module 101. After assembly, check the sealing and fastening of the flange joint to ensure that there is no loosening or leakage.

[0030] (4) Multi-module splicing expansion: The remaining pre-assembled floating energy platform modules 100 are transported to the deployment water area in sequence and spliced ​​with the assembled platform modules through the flexible shock-reducing connection module 101. For each module spliced, it is necessary to confirm that the rubber fender 307 is in an effective restraint state and has no displacement. Adjust the horizontal position of each module to ensure that there is no looseness at all flange joints and that the components of the flexible shock-reducing connection module 101 are reliably connected. After the splicing is completed, check the flatness and stress balance of the platform as a whole to ensure that the platform has no obvious tilt and no gaps at the splicing points.

[0031] (5) Deployment and acceptance: After the splicing of all modules is completed, the support status of the radial truss system truss 400 and the clamping and fixing effect of the bottom floating body constraint connector 201 on the bottom floating body 200 are fully checked to ensure that the truss is free from deformation and the floating body is free from offset and torsion; the rotation flexibility of the ball bottom rod 303 relative to the semi-circular ball hinge 302 is manually tested, and the tensile and contraction performance of the spring 304 and the fixing effect of the fender fastening nut 308 on the rubber fender 307 are checked; a no-load trial run of 48 hours is carried out to monitor the stability of the platform, the buoyancy balance status and the working status of each connection part, to ensure that all structures of the entire floating photovoltaic platform can work normally, and the deployment and preparation of the platform are completed. Then the photovoltaic modules can be installed and debugged.

[0032] (6) Daily operation and maintenance: During daily use, a regular inspection plan shall be formulated, and the sealing status and buoyancy stability of the bottom float 200 shall be checked regularly. Gas shall be replenished in time to ensure that the air pressure of the float is maintained at 0.05-0.1MPa. The tightness of the hexagonal head bolts 501 and hexagonal nuts 502 at the flange connection shall be checked, and loose bolts and nuts shall be tightened in time. Corroded bolts and nuts shall be replaced. The clamping status of the bottom float constraint connector 201 shall be checked to ensure that the bottom float 200 is free from deviation and torsion. The elastic performance of the spring 304, the integrity of the rubber fender 307, the constraint status of the fender fastening nut 308 and the protective effect of the spring protective shell 305 shall be tested regularly. Aging, damaged and corroded components shall be repaired or replaced in time to ensure the safe and stable long-term operation of the photovoltaic platform in the water environment. The overall structural strength test and anti-corrosion maintenance shall be carried out once a year. Rust shall be removed and anti-corrosion coating shall be applied to metal components such as trusses and flanges to extend the service life of the platform.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A flexible, scalable, modular floating photovoltaic platform structure, characterized in that: It includes a floating energy platform module (100) and several flexible shock-reducing connection modules (101). The floating energy platform module (100) includes a photovoltaic platform, a radial truss system, flanges (306), a bottom float (200), and a bottom float constraint connector (201). The radial truss system includes multiple trusses (400) arranged radially and evenly. The outer truss nodes are fixedly welded with flanges (306), and the bottom inner truss nodes are connected to the bottom float constraint connector (201). The bottom float (200) is detachably fixed to the radial truss system through the bottom float constraint connector (201). The photovoltaic platform is laid on top of the radial truss system. The flexible shock-reducing connection module (101) includes an upper limiting structure (300), a lower limiting structure (301), a semi-circular ball joint (302), a ball-shaped bottom rod (303), a spring (304), a flange (306), a rubber fender (307), and a fender fastening nut (308). The upper limiting structure (300) and the lower limiting structure (301) are arranged vertically and vertically, and both are integrally formed with a semi-circular ball joint (302). The ball-shaped bottom rod (303) has spherical joints at both ends, and the spherical joints are adapted to the semi-circular ball joint (302) to form a... Hinged connection; the spring (304) is arranged axially along the ball bottom rod (303), and its end is threadedly connected to the ball bottom rod (303). The spring (304) is covered with a spring protective shell (305); the rubber fender (307) is fixed between the upper limiting structure (300) and the lower limiting structure (301) by the fender fastening nut (308); the flange of the flexible shock-reducing connection module (101) is precisely connected to the flange of the floating energy platform module (100), and is fastened by bolts and nuts and a sealing gasket is set to realize modular detachable connection.

2. The flexible, scalable, modular floating photovoltaic platform structure according to claim 1, characterized in that: The floating energy platform module (100) has a standardized hexagonal structure. Multiple floating energy platform modules (100) can be disassembled and spliced ​​together through a flexible shock-reducing connection module (101) to form an expandable floating photovoltaic platform array.

3. The flexible, scalable, modular floating photovoltaic platform structure according to claim 1, characterized in that: The bottom float (200) is a hollow sealed pontoon with cross-shaped reinforcing ribs inside, which are evenly distributed at the bottom of the radial truss system.

4. The flexible, scalable, modular floating photovoltaic platform structure according to claim 1, characterized in that: The bottom float constraint connector (201) is a clamp-type structure made of stainless steel, and the inner side of the clamp is provided with an anti-slip rubber pad.

5. The flexible, scalable, modular floating photovoltaic platform structure according to claim 1, characterized in that: The photovoltaic platform has adjustable photovoltaic module mounting brackets on its surface and protective railings along its edges.

6. The flexible, scalable, modular floating photovoltaic platform structure according to claim 1, characterized in that: The spring protective housing (305) has a cylindrical structure with sealing end caps at both ends.

7. The installation method of a flexible, scalable, modular floating photovoltaic platform structure according to any one of claims 1-6, characterized in that, Includes the following steps: (1) Based on the layout water area, wind and tide parameters and photovoltaic installed capacity requirements of the photovoltaic platform, complete the specification selection and size matching of each component of the bottom floating body (200), radial truss system, flange (306), bottom floating body constraint connector (201) and flexible shock-reducing connection module (101), check the hollow sealing performance of the bottom floating body (200), the bolt hole alignment accuracy of the flange, and the clamping performance of the bottom floating body constraint connector (201), and complete the pre-installation of the floating energy platform module (100) and the flexible shock-reducing connection module (101); (2) The pre-installed floating energy platform module (100) is towed to the designated photovoltaic deployment area, and gas at a preset pressure is injected into the bottom float (200) to make it float steadily on the water surface. The buoyancy balance of the floating energy platform module (100) is checked using a horizontal detection device to ensure that it is not tilted or leaking. (3) Transport the flexible shock-reducing connection module (101) to the deployment water area, adjust the horizontal height of the flexible shock-reducing connection module (101) and the floating energy platform module (100) so that the flanges of the two are precisely aligned, insert the hexagonal head bolts (501) into the corresponding bolt holes of the mating flanges, tighten the hexagonal nuts (502) to achieve a high-strength fastening connection between the two, and complete the assembly of a single floating energy platform module (100) and the flexible shock-reducing connection module (101); (4) According to the expansion needs of photovoltaic installation scale, the remaining pre-installed floating energy platform modules (100) are transported to the deployment water area in sequence. They are spliced ​​with the assembled platform modules through the flexible shock-reducing connection module (101) to confirm that the rubber fender (307) is in an effective restraint state. The horizontal position of each module is adjusted to ensure that there is no looseness at all flange joints and that the connection of each component of the flexible shock-reducing connection module (101) is reliable. (5) After completing the splicing of all modules, check the support status of the radial truss system, the clamping and fixing effect of the bottom floating body (200), test the rotation flexibility of the ball bottom rod (303) relative to the semi-circular ball hinge (302), the tensile and contraction performance of the spring (304) and the fixing effect of the fender fastening nut (308) on the rubber fender (307), and ensure that all structures of the entire floating photovoltaic platform can work normally, and complete the deployment and preparation for use of the platform. (6) During daily use, regularly check the sealing status and buoyancy stability of the bottom float (200), check the tightness of the hexagonal head bolts (501) and hexagonal nuts (502) at the flange connection, the clamping status of the bottom float constraint connector (201), regularly test the elastic performance of the spring (304), the integrity of the rubber fender (307), the protective effect of the spring protective shell (305) and the constraint status of the fender fastening nut (308), and replace aged or damaged components in a timely manner to ensure the safe and stable operation of the photovoltaic platform in the aquatic environment.

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