Floating type offshore photovoltaic power generation platform

Abstract

The utility model relates to a floating type offshore photovoltaic power generation platform which comprises a photovoltaic panel and further comprises an upper layer frame, a plurality of upper layer supporting rods, a plurality of main stand columns, a plurality of secondary stand columns, a plurality of inclined supporting rods and a plurality of lower layer supporting rods. A part of the upper-layer supporting rods are connected end to end to form a first polygonal structure in a surrounding mode, one end of each upper-layer supporting rod in the other upper-layer supporting rods is connected to one corner of the first polygonal structure, and the other ends of all the upper-layer supporting rods in the other upper-layer supporting rods are connected together and located in the center of the first polygonal structure. The second polygonal structures and the first polygonal structures are correspondingly arranged at intervals in the vertical direction, one end of each inclined supporting rod in the multiple inclined supporting rods is connected to the end of one main stand column, and the other end of each inclined supporting rod in the multiple inclined supporting rods is connected to the end, diagonally arranged with the end of the main stand column, of the corresponding auxiliary stand column. The problems that in the prior art, the structural strength and stability are difficult to maintain when sea surface stormy waves are faced, and the movement performance is poor are solved.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic power generation, in particular to a floating offshore photovoltaic power generation platform. Background Art

[0002] Photovoltaic power generation is a power generation system that uses the photovoltaic effect of semiconductor materials to convert solar radiation into electrical energy. Offshore photovoltaic power generation is a new way of energy utilization and resource development. Compared with onshore photovoltaic power generation, it has natural environmental advantages. The water surface is open and there are no obstructions. The sunshine is long and fully utilized, which can significantly increase the power generation. Offshore solar photovoltaic power generation platforms are located in open ocean waters and face more severe environmental loads than closed waters.

[0003] In the prior art, a platform for carrying photovoltaic panels can be set up at sea to resist the harsh environment of the sea surface. However, the supporting structure of the platform in the prior art is simple, generally connecting multiple floating bodies and photovoltaic support brackets together through several connecting rods. However, such a structure is difficult to maintain structural strength and stability when facing sea waves, and has poor movement performance. Utility Model Content

[0004] The utility model provides a floating offshore photovoltaic power generation platform, which solves the problems in the prior art that it is difficult to maintain structural strength and stability when facing sea waves and has poor movement performance.

[0005] The utility model provides a floating offshore photovoltaic power generation platform, including a photovoltaic panel, an upper frame, a plurality of upper support rods, a plurality of main columns, a plurality of secondary columns, a plurality of diagonal support rods and a plurality of lower support rods;

[0006] Some of the upper struts among the plurality of upper struts are connected end to end to form a first polygonal structure, one end of each of the remaining upper struts is connected to a corner of the first polygonal structure, and the other ends of each of the remaining upper struts are connected together and located at the center of the first polygonal structure;

[0007] Some of the lower-layer struts among the plurality of lower-layer struts are connected end to end to form a second polygonal structure, the second polygonal structure and the first polygonal structure are arranged in a vertical direction with corresponding intervals, one end of each of the remaining lower-layer struts is connected to a corner of the second polygonal structure, and the other end of each of the remaining lower-layer struts is connected together and located at the center of the second polygonal structure;

[0008] The two ends of each main column among the plurality of main columns are respectively connected to the end of an upper layer support rod and the end of the corresponding lower layer support rod; the two ends of each secondary column among the plurality of secondary columns are respectively connected to the middle part of an upper layer support rod and the middle part of the corresponding lower layer support rod;

[0009] One end of each of the plurality of diagonal braces is connected to an end of a main column, and the other end is connected to an end of a corresponding secondary column that is arranged diagonally to the end of the main column;

[0010] The upper frame is connected to a plurality of upper support rods, and the photovoltaic panels are laid on the upper frame.

[0011] The utility model forms a stable support structure through an upper support rod, multiple main columns, multiple secondary columns, multiple diagonal support rods and multiple lower support rods, and can realize load transfer through mutual connection between the structures, reducing structural stress, thereby greatly improving the structural strength and stability of the platform, so that the entire photovoltaic power generation platform has better movement performance, not only suitable for shallow waters, but also suitable for harsh environments in open seas. Furthermore, the stable platform structure provides a stable operating environment for the platform, avoids the decrease in power generation efficiency caused by platform movement, and helps to increase the effective power generation time of the offshore photovoltaic platform.

[0012] Optionally, the floating offshore photovoltaic power generation platform further includes buoyancy blocks, which are arranged on a plurality of lower support poles, and a plurality of main columns and / or a plurality of secondary columns.

[0013] Optionally, there are multiple buoyancy blocks, and the number of buoyancy blocks on each lower layer strut in some of the lower layer struts is greater than the number of buoyancy blocks on each lower layer strut in the remaining lower layer struts.

[0014] By arranging buoyancy blocks on the main columns and / or secondary columns, the embodiments of the present invention can increase the waterplane area under more severe sea conditions, increase the platform restoring moment, reduce the platform heave and roll, and effectively improve the stability of the platform under severe sea conditions, compared with the traditional solution of only arranging buoyancy blocks at the bottom of the platform.

[0015] Optionally, each buoyancy block includes a first buoyancy block, a second buoyancy block and a hoop, and the first buoyancy block and the second buoyancy block are detachably connected together via the hoop, which has the advantage of being easy to disassemble and operate.

[0016] The cross-sectional shapes of the first floating block and the second floating block are both semi-annular.

[0017] Optionally, the interiors of the upper frame, upper support rods, main columns, secondary columns, diagonal support rods and lower support rods are all hollow, which can significantly reduce the weight of the entire platform and facilitate the laying of photovoltaic panels.

[0018] Optionally, the main column includes a first column section and a second column section; one end of the first column section is connected to the upper support rod, the other end of the first column section is connected to one end of the second column section, and the other end of the second column section is connected to the lower support rod;

[0019] The cross-sectional area of ​​the first column segment is smaller than the cross-sectional area of ​​the second column segment.

[0020] The embodiment of the utility model utilizes the variable cross-section design of the main column (for example, the cross-sectional area of ​​the first column section is smaller than the cross-sectional area of ​​the second column section) so that the variable cross-section part can be filled with ballast water, such as applying or discharging ballast water to the main column, which can adjust the buoyancy of the platform and thus control the posture of the platform, so that the platform can be flexibly applied to various sea areas. The main column with a variable cross-section can also be used to provide part of the reserve buoyancy, greatly reducing the risk of the platform capsizing. In addition, the larger diameter part of the main column with a variable cross-section (for example, the second column section) provides a larger operating space when connecting other connectors (for example, diagonal struts, lower struts, etc.), which is conducive to reducing stress concentration and further improving the structural strength of the platform.

[0021] Optionally, the cross-sectional shapes of the upper frame and the upper support rods are both rectangular.

[0022] Optionally, the cross-sectional shape of the secondary columns, the diagonal struts and the lower struts is circular.

[0023] Optionally, the floating offshore photovoltaic power generation platform also includes an anchor chain, which is arranged on the outside of the main column; there are multiple anchor chains, and the multiple anchor chains are distributed radially.

[0024] Optionally, the first polygonal structure and the second polygonal structure are both hexagonal. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the top view of the floating offshore photovoltaic power generation platform in the embodiment of the utility model;

[0026] Figure 2 It is a side view structural schematic diagram of a floating offshore photovoltaic power generation platform in an embodiment of the utility model;

[0027] Figure 3 This is a schematic cross-sectional view of the floating offshore photovoltaic power generation platform in an embodiment of the utility model;

[0028] Figure 4 A schematic diagram of a model for calculating the stability of a floating offshore photovoltaic power generation platform in an embodiment of the utility model;

[0029] Figure 5 It is a side view structural schematic diagram of the buoyancy block in the embodiment of the utility model;

[0030] Figure 6 It is a schematic diagram of the partial three-dimensional structure of the buoyancy block in the embodiment of the utility model.

[0031] Description of reference numerals:

[0032] 1: Floating offshore photovoltaic power generation platform;

[0033] 10: photovoltaic panel; 11: upper frame; 12: upper support rod; 12A: upper support rod; 12B: upper support rod; 121: first polygonal structure; 13: main column; 131: first column section; 132: second column section; 14: secondary column; 15: lower support rod; 151: second polygonal structure; 16: oblique support rod; 17: buoyancy block; 171: first buoyancy block; 172: second buoyancy block; 173: hoop;

[0034] 2: Boarding staircase. DETAILED DESCRIPTION

[0035] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0036] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0037] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0038] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0039] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0040] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0041] The utility model provides a floating offshore photovoltaic power generation platform 1, see Figure 1 to Figure 3 , including a photovoltaic panel 10, and also including a plurality of upper support rods 12, an upper frame 11, a plurality of main columns 13, a plurality of secondary columns 14, a plurality of diagonal support rods 16 and a plurality of lower support rods 15.

[0042] Some of the upper struts 12 (eg Figure 1 The upper support rods 12A shown in FIG. 1 are connected end to end to form a first polygonal structure 121, and each of the remaining upper support rods 12 (eg Figure 1 One end of the upper support rod 12B is connected to a corner of the first polygonal structure 121, and each of the other upper support rods 12 (eg Figure 1 The other ends of the upper support rods 12B) are connected together and located at the center of the first polygonal structure 121. Figure 1 As shown, some upper struts (e.g. Figure 1 The upper support rods 12A shown in FIG. 1 are arranged to form a hexagonal structure, and the other upper support rods (eg Figure 1 The upper struts 12B) are located in the hexagonal structure, and the upper struts (eg Figure 1 Of the two ends of the upper strut 12B), one end is connected to a corner of the hexagonal structure, and the other end is located at the center of the hexagonal structure and connected to one end of another upper strut.

[0043] See also Figure 1 to Figure 3 , and combined with Figure 4 It is understood that some of the lower layer support rods 15 in the plurality of lower layer support rods 15 are connected end to end to form a second polygonal structure 151, and the second polygonal structure 151 and the first polygonal structure 121 are arranged in a corresponding manner in the vertical direction, or it can be understood that along the vertical direction (i.e. Figure 1 The first polygonal structure 121 overlaps with the second polygonal structure 151 (in the direction perpendicular to the paper surface). One end of each of the remaining lower-layer struts 15 is connected to a corner of the second polygonal structure 151, and the other ends of each of the remaining lower-layer struts 15 are connected together and located at the center of the second polygonal structure 151. Figure 1 As shown, some of the lower layer struts 15 are arranged to form a hexagonal structure, and the remaining lower layer struts 15 are located in the hexagonal structure, and one end of the two ends of the lower layer struts 15 located in the hexagonal structure is connected to a corner of the hexagonal structure, and the other end is located in the center of the hexagonal structure and connected to one end of another lower layer strut 15.

[0044] Those skilled in the art will appreciate that the polygonal structure is not limited in specific terms and may be a quadrilateral structure, a pentagonal structure, a hexagonal structure, an octagonal structure, etc. The above structure only takes the hexagonal structure as an example.

[0045] See also Figure 1 to Figure 3 , and combined with Figure 4 It is understood that the two ends of each main column 13 in the plurality of main columns 13 are respectively connected to the end of an upper layer support rod 12 and the end of the corresponding lower layer support rod 15; the two ends of each secondary column 14 in the plurality of secondary columns 14 are respectively connected to the middle of an upper layer support rod 12 and the middle of the corresponding lower layer support rod 15. One end of each diagonal support rod 16 in the plurality of diagonal support rods 16 is connected to the end of a main column 13, and the other end is connected to the end of the corresponding secondary column 14 that is diagonally arranged with respect to the end of the main column 13. In one embodiment, see Figure 4 It is understood that the two ends of some diagonal struts 16 are respectively connected to the end of a main column 13 close to the upper strut 12 and the end of a secondary column 14 close to the lower strut 15, and the two ends of the remaining diagonal struts 16 are respectively connected to the end of a main column 13 close to the lower strut 15 and the end of a secondary column 14 close to the upper strut 12, or it can be understood that two adjacent diagonal struts 16 are arranged in a right triangle or in an inverted triangle.

[0046] The upper frame 11 is connected to a plurality of upper support rods 12, and the photovoltaic panels 10 are laid on the upper frame 11. Specifically, Figure 1 As shown, the upper frame 11 may be, for example, a mesh structure.

[0047] The utility model forms a stable support structure through an upper support rod 12, multiple main columns 13, multiple secondary columns 14, multiple diagonal support rods 16 and multiple lower support rods 15, and can realize load transfer through the mutual connection between the structures, reducing structural stress, thereby greatly improving the structural strength and stability of the platform, so that the entire photovoltaic power generation platform has better movement performance, not only suitable for shallow waters, but also suitable for harsh environments in open seas. Furthermore, the stable platform structure provides a stable operating environment for the platform, avoids the decrease in power generation efficiency caused by platform movement, and helps to increase the effective power generation time of the offshore photovoltaic platform.

[0048] In an example of design dimensions, the main body height of the floating offshore photovoltaic power generation platform 1 is 10m, the circumscribed circle diameter is 50m, and the designed draft is 1.16m. In other alternative implementations, other design parameters may also be used according to different usage requirements. In one implementation, for example Figure 1 As shown, a boarding spiral staircase 2 is provided on the periphery of the floating offshore photovoltaic power generation platform 1 for workers to go up and down.

[0049] In one embodiment, the upper frame 11, the upper support rod 12, the main column 13, the secondary column 14, the diagonal support rod 16 and the lower support rod 15 are all hollow inside, which can significantly reduce the weight of the entire platform and facilitate the laying of photovoltaic panels. In one embodiment, the cross-sectional shape of the upper frame 11 and the upper support rod 12 is rectangular, and in other alternative embodiments, it can also be diamond, circular, elliptical, etc. The cross-sectional shape of the secondary column 14, the diagonal support rod 16 and the lower support rod 15 is circular, and in other alternative embodiments, it can also be diamond, rectangular, elliptical, etc.

[0050] In addition, the present invention has no limitation on the material of the upper frame 11, the upper support rod 12, the main column 13, the secondary column 14, the diagonal support rod 16 and the lower support rod 15, for example, they can be steel, carbon fiber material, high-density polyethylene (HDPE) material, etc.

[0051] In one embodiment, if Figure 2 As shown, combined with Figure 3 and Figure 4 It is understood that the main column 13 includes a first column section 131 and a second column section 132; one end of the first column section 131 is connected to the upper support rod 12, the other end of the first column section 131 is connected to one end of the second column section 132, the other end of the second column section 132 is connected to the lower support rod 15, and the cross-sectional area of ​​the first column section 131 is smaller than the cross-sectional area of ​​the second column section 132. In one embodiment, the cross-sectional shapes of the first column section 131 and the second column section 132 are both circular, that is, both are hollow circular tubes.

[0052] The embodiment of the utility model utilizes the variable cross-section design of the main column 13 (for example, the cross-sectional area of ​​the first column section 131 is smaller than the cross-sectional area of ​​the second column section 132) so that the variable cross-section part can be filled with ballast water, for example, by applying or discharging ballast water to the main column 13, the buoyancy of the platform can be adjusted, and the posture of the platform can be controlled, so that the platform can be flexibly applied to various sea areas. The main column with a variable cross-section can also be used to provide part of the reserve buoyancy, which greatly reduces the risk of the platform capsizing. In addition, the larger diameter part of the main column with a variable cross-section (for example, the second column section) provides a larger operating space when connecting other connectors (for example, diagonal struts, lower struts, etc.), which is conducive to reducing stress concentration and further improving the structural strength of the platform.

[0053] For further information, see Figure 2 and Figure 3 , and combined with Figure 4It is understood that the floating offshore photovoltaic power generation platform 1 further includes a buoyancy block 17, and the buoyancy block 17 is provided on the plurality of lower support rods 15, and the plurality of main columns 13 and / or the plurality of secondary columns 14. Specifically, it can be understood that the buoyancy block 17 can be provided only on the plurality of lower support rods 15, or the buoyancy block 17 is provided on the plurality of lower support rods 15 and the plurality of main columns 13, or the buoyancy block 17 is provided on the plurality of lower support rods 15 and the plurality of secondary columns 14 (such as Figure 4 Alternatively, a plurality of lower support rods 15, a plurality of main columns 13 and a plurality of secondary columns 14 are provided with buoyancy blocks 17 (as shown in FIG. Figure 2 shown).

[0054] There is no limit to the number of buoyancy blocks 17. In one embodiment, there are multiple buoyancy blocks 17, and the number of buoyancy blocks 17 on each lower layer strut 15 in some lower layer struts 15 is greater than the number of buoyancy blocks 17 on each lower layer strut in the remaining lower layer struts 17. In an exemplary embodiment, a total of 63 buoyancy blocks 17 are arranged on the entire platform, and a total of 36 buoyancy blocks are evenly arranged on the lower layer struts located at the outer edge (6 buoyancy blocks are arranged on each), and a total of 21 buoyancy blocks are arranged on the inner lower layer struts (3 or 4 buoyancy blocks are arranged on each), and a total of 6 buoyancy blocks are arranged on the main column (respectively arranged on the upper edge of the variable cross-section of the main column). In other alternative embodiments, a buoyancy block 17 is provided on some of the multiple secondary columns 14, and the secondary columns without buoyancy blocks 17 can be used to install a boarding spiral ladder 2 (such as Figure 1 This buoyancy block arrangement not only provides sufficient buoyancy for the entire platform, but also provides sufficient reserve buoyancy and restoring torque, thereby improving the platform's motion performance and enhancing the platform's survivability in severe sea conditions.

[0055] It can be seen that the embodiment of the utility model, by arranging buoyancy blocks on the main columns 13 and / or the secondary columns 14, can increase the waterline area under more severe sea conditions, increase the platform restoring moment, reduce the platform heave and roll, and effectively improve the stability of the platform under severe sea conditions, compared with the traditional solution of only arranging buoyancy blocks at the bottom of the platform.

[0056] For further information, see Figure 5 and Figure 6 Each buoyancy block 17 includes a first buoy 171, a second buoy 172 and a hoop 173. The first buoy 171 and the second buoy 172 are detachably connected together by the hoop 173, which has the advantage of being easy to disassemble and operate. In an exemplary embodiment, the cross-sectional shape of the first buoy 171 and the second buoy 172 are both semi-circular. In other alternative embodiments, the cross-sectional shape may also be rectangular or semi-elliptical, etc.

[0057] In addition, the utility model does not limit the material of the buoyancy block 17, for example, it can be foam / plastic / rubber material. In one embodiment, the inner diameter of the buoyancy block 17 is the same as the diameter of the lower support rod 15, and due to its low density, a single buoyancy block 17 can provide one ton of net buoyancy, and is fixed on the outside by a detachable hoop 173. This structural form is conducive to the installation, removal and replacement of the buoyancy block 17, and the use process is flexible and convenient.

[0058] In one embodiment, except for the variable cross-section portion of the main column 13 and the buoyancy block, the diameter of the remaining structures is only about 500 mm, and there are no large-sized components, which can effectively reduce the wind and wave loads on the platform.

[0059] In addition, the utility model realizes load transfer through sophisticated structural connection, and greatly reduces the mass of the platform through a reasonable hollow structure, thereby helping to reduce the number of mooring anchor chains and reduce production costs. In one embodiment, the floating offshore photovoltaic power generation platform 1 also includes an anchor chain, which is arranged on the outside of the main column 13. The number of anchor chains is multiple, and the multiple anchor chains are radially distributed. In an example embodiment, the number of anchor chains is 6.

[0060] The installation process of a floating offshore photovoltaic power generation platform 1 in an example is as follows:

[0061] First, according to the weight of the platform, choose the appropriate number of buoyancy blocks and installation positions, then tow the platform to the designated sea area, and then install the positioning mooring device on the main column on the outer edge of the platform, then lay photovoltaic panels on the upper frame, add ballast water to the main column, adjust the platform's floating platform, and after completing the equipment commissioning, carry out offshore power generation operations. During the operation, the upper frame, upper support rods, main columns, secondary columns, diagonal support rods and lower support rods of the platform together constitute the main structure of the platform, which is the supporting structure of the platform, mainly used to install photovoltaic panels and corresponding equipment, and bear external waves, currents, and wind loads. The buoyancy blocks provide buoyancy, adjust the floating state, and ensure the safety of platform operations; the mooring structure is the positioning structure of the platform, which is used to fix the platform in the operating sea area.

[0062] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A floating offshore photovoltaic power generation platform, comprising photovoltaic panels, characterized in that: It also includes an upper frame, a plurality of upper struts, a plurality of main columns, a plurality of secondary columns, a plurality of diagonal struts, and a plurality of lower struts; Some of the plurality of upper struts are connected end to end to form a first polygonal structure, one end of each of the remaining upper struts is connected to a corner of the first polygonal structure, and the other end of each of the remaining upper struts is connected together and located at the center of the first polygonal structure; Some of the plurality of lower-layer struts are connected end to end to form a second polygonal structure, the second polygonal structure and the first polygonal structure are arranged in a vertical direction with corresponding intervals, one end of each of the remaining lower-layer struts is connected to a corner of the second polygonal structure, and the other end of each of the remaining lower-layer struts is connected together and located at the center of the second polygonal structure; The two ends of each of the plurality of main columns are respectively connected to the end of an upper layer support rod and the end of the corresponding lower layer support rod; the two ends of each of the plurality of secondary columns are respectively connected to the middle of an upper layer support rod and the middle of the corresponding lower layer support rod; One end of each of the plurality of diagonal braces is connected to the end of a main column, and the other end is connected to the end of the corresponding secondary column that is arranged diagonally to the end of the main column; The upper frame is connected to the plurality of upper support rods, and the photovoltaic panels are laid on the upper frame.

2. The floating offshore photovoltaic power generation platform according to claim 1, characterized in that: It also includes buoyancy blocks, which are arranged on the multiple lower-layer support poles, the multiple columns and / or the multiple secondary columns.

3. The floating offshore photovoltaic power generation platform according to claim 2, characterized in that: There are multiple buoyancy blocks, and the number of buoyancy blocks on each lower layer support rod in the part of the lower layer support rods is greater than the number of buoyancy blocks on each lower layer support rod in the remaining lower layer support rods.

4. The floating offshore photovoltaic power generation platform according to claim 2, characterized in that: Each buoyancy block comprises a first buoy, a second buoy and a hoop, wherein the first buoy and the second buoy are detachably connected together via the hoop; The cross-sectional shapes of the first floating block and the second floating block are both semi-annular.

5. The floating offshore photovoltaic power generation platform according to claim 1, characterized in that: The upper frame, the upper support rods, the main columns, the secondary columns, the diagonal support rods and the lower support rods are all hollow inside.

6. The floating offshore photovoltaic power generation platform according to claim 5, characterized in that: The main column includes a first column section and a second column section; one end of the first column section is connected to the upper support rod, the other end of the first column section is connected to one end of the second column section, and the other end of the second column section is connected to the lower support rod; The cross-sectional area of ​​the first column segment is smaller than the cross-sectional area of ​​the second column segment.

7. The floating offshore photovoltaic power generation platform according to any one of claims 1 to 6, characterized in that: The cross-sectional shapes of the upper frame and the upper support rods are both rectangular.

8. The floating offshore photovoltaic power generation platform according to any one of claims 1 to 6, characterized in that: The cross-sectional shapes of the secondary columns, the diagonal braces and the lower braces are circular.

9. The floating offshore photovoltaic power generation platform according to any one of claims 1 to 6, characterized in that: It also includes an anchor chain, which is arranged on the outside of the main column; There are multiple anchor chains, and the multiple anchor chains are distributed radially.

10. The floating offshore photovoltaic power generation platform according to any one of claims 1 to 6, characterized in that: The first polygonal structure and the second polygonal structure are both hexagonal.

Images