Floating ring-shaped wave-resistant offshore photovoltaic structure

Abstract

The application provides a floating ring-shaped wave-resistant offshore photovoltaic structure, which comprises arc-shaped wave-resistant structure units, spring connectors, photovoltaic floating boxes, photovoltaic modules, floating box mooring lines, mooring lines and pile anchors; the arc-shaped wave-resistant structure units are connected in a flexible ring direction through the spring connectors to form a floating ring-shaped wave-resistant structure; the photovoltaic floating boxes are parallelly and fully laid in the ring of the floating ring-shaped wave-resistant structure, and the surfaces of the photovoltaic floating boxes are fixedly installed with the photovoltaic modules. The main body of the novel floating ring-shaped wave-resistant offshore photovoltaic structure adopts the arc-shaped wave-resistant structure made of high-density polyethylene, the arc-shaped wave-resistant structures are connected into a whole ring through the spring connectors, the photovoltaic modules in the ring are protected and moored, the photovoltaic floating boxes are connected through a plurality of high-molecular floating box mooring lines, the whole structure is flexible, has the advantages of less steel consumption, strong weather resistance, low construction cost, strong wind and wave resistance, simple construction difficulty, good power generation economy and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of offshore floating photovoltaic power generation structure design, in particular to a floating ring-shaped wave-resistant offshore photovoltaic structure. BACKGROUND

[0002] Solar energy is a green and clean energy, and its development capacity is huge, which is an important way to achieve the goal of "carbon neutralization". Among them, offshore photovoltaic has the advantages of not occupying land resources, high power generation efficiency, close to the consumption center, low power transmission cost, and can be developed integrally with offshore wind power, etc., which is an important development resource for photovoltaic power generation.

[0003] For offshore waters with water depth of more than 10 meters, a floating photovoltaic structure is generally used, but due to the large wind and wave environmental load faced by the floating offshore photovoltaic structure, the structural safety is difficult to guarantee, and the construction cost is high, which greatly restricts the development and construction of offshore photovoltaic, and it is urgent to innovate the design of floating offshore photovoltaic structure to improve the wind and wave resistance of the structure and reduce the construction cost. SUMMARY

[0004] In view of the defects of the prior art, the present application provides a floating ring-shaped wave-resistant offshore photovoltaic structure, which can effectively solve the above problems.

[0005] The technical scheme adopted by the present application is as follows:

[0006] The present application provides a floating ring-shaped wave-resistant offshore photovoltaic structure, which comprises an arc-shaped wave-resistant structure unit (1), a spring connector (2), a photovoltaic floating box (3), a photovoltaic module (4), a floating box mooring cable (5), a mooring cable (6) and a pile anchor (7).

[0007] A plurality of arc-shaped wave-resistant structure units (1) are flexibly connected in a ring shape by the spring connectors (2) to form a floating ring-shaped wave-resistant structure; the photovoltaic floating boxes (3) are arranged in parallel and fully in the inside of the circular ring of the floating ring-shaped wave-resistant structure, and each photovoltaic floating box (3) is suspended and installed by the floating box mooring cable (5) fixed in the inside of the circular ring; the surface of each photovoltaic floating box (3) is fixedly installed with the photovoltaic module (4).

[0008] On the outside of the floating ring-shaped wave-resistant structure, a plurality of mooring cables (6) are dispersedly arranged with each spring connector (2) as a mooring point, and the other end of the mooring cable (6) is fixed to the pile anchor (7) anchored to the seabed.

[0009] Preferably, the number of arc-shaped wave-resistant structure units (1) is three, the shapes and sizes of the three arc-shaped wave-resistant structure units (1) are completely the same, and the three arc-shaped wave-resistant structure units (1) are flexibly connected in a ring shape by the three spring connectors (2).

[0010] Preferably, each of the arc-shaped wave-resistant structure units (1) comprises an arc-shaped wave-resistant inner side pontoon (1-1), an arc-shaped wave-resistant outer side pontoon (1-2), an arched wave-resistant plate (1-3), an inner side pontoon end flange connecting section (1-4) and an outer side pontoon end flange connecting section (1-5);

[0011] The cross sections of the arc-shaped wave-resistant outer side pontoon (1-2) and the arc-shaped wave-resistant inner side pontoon (1-1) are circular and have the same cross section diameter D.

[0012] The arc-shaped wave-resistant outer side pontoon (1-2) and the arc-shaped wave-resistant inner side pontoon (1-1) are arranged in parallel and at intervals, and the radius of the arc-shaped wave-resistant outer side pontoon (1-2) is greater than that of the arc-shaped wave-resistant inner side pontoon (1-1).

[0013] The arched wave-resistant plate (1-3) is connected radially between the arc-shaped wave-resistant outer side pontoon (1-2) and the arc-shaped wave-resistant inner side pontoon (1-1), and the inner side and the outer side of the arched wave-resistant plate (1-3) are respectively welded and fixed to the surface of the arc-shaped wave-resistant inner side pontoon (1-1) and the surface of the arc-shaped wave-resistant outer side pontoon (1-2).

[0014] The outer side pontoon end flange connecting section (1-5) is arranged at both ends of the arc-shaped wave-resistant outer side pontoon (1-2), and the inner side pontoon end flange connecting section (1-4) is arranged at both ends of the arc-shaped wave-resistant inner side pontoon (1-1).

[0015] Preferably, the height of the arched wave-resistant plate (1-3) is greater than half of the significant wave height of the sea area, and the width is greater than the pontoon cross section diameter D. The outer side wave-encountering surface of the arched wave-resistant plate (1-3) is provided with a penetrating wave-dissipating hole (1-3-1) for dividing the wave, reducing the wave load, guiding the water flow between the arc-shaped wave-resistant inner side pontoon (1-1) and the arc-shaped wave-resistant outer side pontoon (1-2), and achieving the wave-dissipating effect.

[0016] The draft depth of the arc-shaped wave-resistant inner side pontoon (1-1) and the arc-shaped wave-resistant outer side pontoon (1-2) is greater than the pontoon cross section diameter D, so as to have the anti-wave and wave-dissipating protection capability.

[0017] Preferably, the spring connector (2) comprises a T-shaped plate (2-1), a circumferential spring (2-2) and a vertical spring (2-3). The T-shaped plate (2-1) comprises a top plate (2-1-1) and a web plate (2-1-2) which are welded vertically. The web plate (2-1-2) is fixed to the middle position of the bottom of the top plate (2-1-1). The width of the top plate (2-1-1) and the web plate (2-1-2) is the same as the radial width of the arc-shaped wave-resistant structure unit (1).

[0018] In the end of the two adjacent arc-shaped wave-resistant structure units (1), between the two inner side pontoon end flange connecting segments (1-4) and the two outer side pontoon end flange connecting segments (1-5), one of the ring-direction spring (2-2) is arranged along the ring-direction; in the upper part of the two inner side pontoon end flange connecting segments (1-4) and the two outer side pontoon end flange connecting segments (1-5), one of the vertical spring (2-3) is arranged;

[0019] Therefore, in the end of the two adjacent arc-shaped wave-resistant structure units (1), four vertical springs (2-3) and two ring-direction springs (2-2) are arranged; the top plate (2-1-1) is located above the four vertical springs (2-3), and the four corners of the top plate (2-1-1) are fixed with the top of each vertical spring (2-3); the web plate (2-1-2) is arranged between the two adjacent arc-shaped wave-resistant structure units (1) along the radial direction of the arc-shaped wave-resistant structure unit (1) and is inserted into the ring-direction center position of the two ring-direction springs (2-2).

[0020] Preferably, the web plate (2-1-2) is provided with a mooring ring for connecting and fixing one end of the mooring cable (6), which is a mooring point of the spring connector (2).

[0021] The floating ring-shaped wave-resistant offshore photovoltaic structure provided by the application has the following advantages:

[0022] The floating ring-shaped wave-resistant offshore photovoltaic structure provided by the application has the following advantages: BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 A perspective view of the floating ring-shaped wave-resistant offshore photovoltaic structure provided by the application is provided;

[0024] Fig. 2 A perspective view of the arc-shaped wave-resistant structure provided by the application is provided;

[0025] Fig. 3 A perspective view of the spring connector provided by the application is provided.

[0026] Among them:

[0027] 1 arc-shaped wave-resistant structure unit; 2 spring connector; 3 photovoltaic float; 4 photovoltaic module; 5 float tether; 6 mooring line; 7 pile anchor;

[0028] 1-1 arc-shaped wave-resistant inner side float; 1-2 arc-shaped wave-resistant outer side float; 1-3 arched wave-resistant plate; 1-4 inner side float end flange connection section; 1-5 outer side float end flange connection section; 2-1 T-shaped plate; 2-2 ring spring; 2-3 vertical spring;

[0029] 1-3-1 wave-eliminating hole; 2-1-1 top plate; 2-1-2 web. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects solved by the present application clearer, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0031] The present application provides a floating ring-shaped wave-resistant offshore photovoltaic structure, which is a flexible high-density polyethylene ring-shaped structure with certain wave-resistant capability, and is a high-efficiency and low-cost floating ring-shaped wave-resistant offshore photovoltaic structure. The main structure of the new floating ring-shaped wave-resistant offshore photovoltaic structure is an arc-shaped wave-resistant structure made of high-density polyethylene material. The arc-shaped wave-resistant structures are connected by spring connectors to form a whole ring, which provides protection and mooring for the photovoltaic modules inside the ring. Multiple polymer float tethers are used to connect the photovoltaic floats inside the ring. The whole structure is flexible, has less steel consumption, strong weather resistance, low construction cost, strong wave-resistant capability, simple construction difficulty, good power generation economy and other advantages.

[0032] Referring to Figs. 1 to 3 The present application provides a floating ring-shaped wave-resistant offshore photovoltaic structure, which includes arc-shaped wave-resistant structure units 1, spring connectors 2, photovoltaic floats 3, photovoltaic modules 4, float tethers 5, mooring lines 6 and pile anchors 7.

[0033] The arc-shaped wave-resistant structure units 1 are connected to each other by the spring connectors 2 to form a floating ring-shaped wave-resistant structure. Inside the ring of the floating ring-shaped wave-resistant structure, the photovoltaic floats 3 are arranged in parallel and fully cover the ring. The photovoltaic floats 3 are rectangular shell floats made of high-density polyethylene material, and the four side walls of the photovoltaic floats 3 are provided with perforations for the float tethers 5 to pass through and be fixed. Each photovoltaic float 3 is suspended and installed by the float tethers 5 fixed inside the ring. The surface of each photovoltaic float 3 is fixedly installed with a photovoltaic module 4. For example, the photovoltaic module 4 is fixed to the surface of the photovoltaic float 3 by bolts and can be arranged at the best inclination.

[0034] The pontoon mooring cable 5 is a polymer elastic cable that passes through the photovoltaic pontoon 3 in the middle and is tied at both ends to the inner side of the arc-shaped wave-resistant buoy 1-1 of the arc-shaped wave-resistant structure unit 1. The two ends are distributed in a grid pattern. The number of pontoon mooring cables 5 depends on the number of photovoltaic pontoons 3.

[0035] On the outside of the floating annular wave-resistant structure, multiple mooring cables 6 are distributed around each spring connector 2 as a mooring point. The other end of each mooring cable 6 is fixed to a corresponding anchor 7 anchored to the seabed. For example, the mooring cable 6 is a high-strength polymer rope, with both ends tied to the mooring rings and anchor 7 of the web 2-1-2 of the T-shaped plate 2-1, thus mooring and fixing the floating annular wave-resistant marine photovoltaic structure. The anchor 7 is a steel pipe pile, which provides an anchor point for the new floating annular wave-resistant marine photovoltaic structure after being driven into the seabed.

[0036] The structures of arc-shaped wave-resistant structural unit 1 and spring connector 2 are described in detail below:

[0037] (I) Arc-shaped wave-resistant structural unit 1:

[0038] As an example, such as Fig. 1 As shown, three arc-shaped wave-resistant structural units 1 are provided. The three arc-shaped wave-resistant structural units 1 are identical in shape and size, and are flexibly connected in a circumferential manner by three spring connectors 2. Of course, the present invention does not limit the number of arc-shaped wave-resistant structural units 1 provided, and can flexibly set according to actual needs.

[0039] As an example, such as Fig. 2 As shown, each arc-shaped wave-resistant structural unit 1 includes an arc-shaped inner wave-resistant pontoon 1-1, an arc-shaped outer wave-resistant pontoon 1-2, an arched wave-resistant plate 1-3, an inner pontoon end flange connection section 1-4, and an outer pontoon end flange connection section 1-5.

[0040] Both the inner and outer arc-shaped wave-resistant pontoons 1-1 and 1-2 are hull components made of high-density polyethylene. The inner and outer arc-shaped wave-resistant pontoons 1-1 and 1-2 are placed parallel to each other on the same horizontal plane. When three arc-shaped wave-resistant structural units 1 are used, the length of the arc-shaped pontoons 1-1 and 1-2 of each unit is slightly less than one-third of a circle. The arc-shaped pontoon with the smaller radius is the inner arc-shaped wave-resistant pontoon 1-1, and the arc-shaped pontoon with the larger radius is the outer arc-shaped wave-resistant pontoon 1-2. Therefore, the outer arc-shaped wave-resistant pontoons 1-2 and the inner arc-shaped wave-resistant pontoons 1-1 are arranged parallel and spaced apart, with the radius of the outer arc-shaped wave-resistant pontoon 1-2 being larger than the radius of the inner arc-shaped wave-resistant pontoon 1-1.

[0041] Both the outer arc-shaped wave-resistant buoy 1-2 and the inner arc-shaped wave-resistant buoy 1-1 have circular cross-sections with the same diameter, which is the diameter D of the buoy cross-section.

[0042] The radial connection between the outer arc-shaped wave-resistant pontoon 1-2 and the inner arc-shaped wave-resistant pontoon 1-1 is made of the same material, and the inner and outer sides of the arched wave-resistant pontoon 1-3 are welded and fixed to the surfaces of the inner arc-shaped wave-resistant pontoon 1-1 and the outer arc-shaped wave-resistant pontoon 1-2, respectively.

[0043] The outer buoy 1-2 of the arc-shaped wave-resistant outer buoy is provided with an outer buoy end flange connection section 1-5 at both ends; the inner buoy 1-1 of the arc-shaped wave-resistant inner buoy is provided with an inner buoy end flange connection section 1-4 at both ends.

[0044] In this invention, the height-to-width ratio of the arched wave deflector 1-3 is 1:2. The height of the arched wave deflector 1-3 is greater than half the significant wave height of the sea area, and the width is greater than the diameter D of the buoy section. The outer wave-facing surface of the arched wave deflector 1-3 is provided with penetrating wave-dissipating holes 1-3-1 to divert waves. While reducing wave load, it guides the water flow to impact between the inner arc-shaped wave-dissipating buoy 1-1 and the outer arc-shaped wave-dissipating buoy 1-2, thereby achieving wave dissipation. The opening size and density of the wave-dissipating holes 1-3-1 need to be designed according to the structural strength requirements and the wave-dissipation needs of the local sea conditions.

[0045] The draft of the inner arc-shaped wave-resistant buoy 1-1 and the outer arc-shaped wave-resistant buoy 1-2 is greater than the diameter D of the buoy cross section, so that the arc-shaped wave-resistant structural unit 1 has good anti-overflight and wave-dissipation protection capabilities.

[0046] (ii) Spring connector 2:

[0047] Spring connector 2 is made of corrosion-resistant steel, such as... Fig. 3 As shown, the spring connector 2 includes a T-shaped plate 2-1, a circumferential spring 2-2, and a vertical spring 2-3; wherein: the T-shaped plate 2-1 has a T-shaped cross-section, including a top plate 2-1-1 and a web plate 2-1-2 welded vertically; both the top plate 2-1-1 and the web plate 2-1-2 are made of rectangular steel plates; the web plate 2-1-2 is welded and fixed at the bottom middle position of the top plate 2-1-1; the width of the top plate 2-1-1 and the web plate 2-1-2 is the same as the radial width of the arc-shaped anti-wave structure unit 1, and is placed between the two arc-shaped anti-wave structure units 1 along the radial direction of the arc-shaped anti-wave structure unit 1, serving to connect adjacent arc-shaped anti-wave structure units 1.

[0048] Between the ends of two adjacent arc-shaped wave-resistant structural units 1, between the flange connection sections 1-4 of the two inner float ends, and between the flange connection sections 1-5 of the two outer float ends, a circumferential spring 2-2 is provided in the circumferential direction; a vertical spring 2-3 is provided on the upper part of the flange connection sections 1-4 of the two inner float ends and on the upper part of the flange connection sections 1-5 of the two outer float ends.

[0049] Therefore, at the end of the two adjacent arc-shaped wave-resistant structure units 1, four vertical springs 2-3 and two ring-shaped springs 2-2 are arranged in total; the top plate 2-1-1 is located above the four vertical springs 2-3, and the four corners of the top plate 2-1-1 are fixed with the top of each vertical spring 2-3; the web plate 2-1-2 is arranged between the two adjacent arc-shaped wave-resistant structure units 1 along the radial direction of the arc-shaped wave-resistant structure unit 1 and is inserted into the ring-shaped center position of the two ring-shaped springs 2-2, respectively.

[0050] In the application, the web plate 2-1-2 is provided with a mooring ring for being fixedly connected with one end of the mooring cable 6, which is a mooring point of the spring connector 2.

[0051] The application provides a floating ring-shaped wave-resistant offshore photovoltaic structure, which has the following characteristics.

[0052] (1) The arc-shaped wave-resistant structure body is made of high-density polyethylene material and has good weather resistance; the ring-shaped structure is composed of three arc-shaped wave-resistant structure units connected by spring connectors; the wave load borne by the structure body can be effectively reduced by the spring connector connection, the structural stress is reduced, and the wind and wave resistance and safety of the structure are improved.

[0053] Compared with the traditional circular ring-shaped buoy design, the spring connector is used to break the connection, the hard connection is changed into a soft connection, the spring provides good buffering effect, the span size of the arc-shaped wave-resistant buoy is reduced, the rigidity of the arc-shaped wave-resistant buoy is improved, the stress and deformation of the arc-shaped wave-resistant buoy are reduced, and the wave resistance of the structure is improved.

[0054] (2) In the application, the arc-shaped wave-resistant buoy adopts a double-buoy configuration, which has a wave-damping effect in cooperation with a certain draft; in addition, the arc-shaped wave-resistant structure can effectively prevent overtopping, block wave slamming of photovoltaic floating boxes and photovoltaic modules, and reduce wave slamming load on the arc-shaped wave-resistant structure through wave-damping holes, so that the water flow produces an impact effect in the double-buoy environment, has a certain wave-damping capacity, and thus protects the photovoltaic modules in the ring.

[0055] (3) In the application, the web plate of the T-shaped plate simultaneously serves as a mooring connection point, and a steel structure is used to ensure the local strength of the mooring point and solve the problem of local strength when the high-density polyethylene material buoy is moored.

[0056] (4) In the application, the photovoltaic floating boxes are connected in series by floating box mooring cables, avoiding the traditional connection mode of two-by-two lapping between the floating boxes, and the construction is simple, efficient, reliable, economical, and good.

[0057] The above merely describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, several improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as falling within the protection scope of the present application.

Claims

1. A floating ring-shaped wave-resistant offshore photovoltaic structure, characterized in that, The application relates to a floating ring-shaped wave-resisting structure, which comprises arc-shaped wave-resisting structure units (1), spring connectors (2), photovoltaic floating boxes (3), photovoltaic assemblies (4), floating box mooring lines (5), mooring lines (6) and pile anchors (7). A plurality of the arc-shaped wave-resisting structure units (1) are connected in a flexible ring direction through the spring connectors (2) to form a floating ring-shaped wave-resisting structure; the photovoltaic floating boxes (3) are arranged in parallel and fully in the inner ring of the floating ring-shaped wave-resisting structure, and each photovoltaic floating box (3) is suspended and installed through the floating box mooring line (5) fixed in the inner ring; the surface of each photovoltaic floating box (3) is fixedly installed with the photovoltaic assembly (4); On the outer side of the floating ring-shaped wave-resisting structure, a plurality of the mooring lines (6) are arranged in a scattered mode with each spring connector (2) as a mooring point, and the other end of the mooring line (6) is fixed to the corresponding pile anchor (7) anchored to the seabed; Each arc-shaped wave-resisting structure unit (1) comprises arc-shaped wave-resisting inner floating cylinders (1-1), arc-shaped wave-resisting outer floating cylinders (1-2), arch-shaped wave-preventing plates (1-3), inner floating cylinder end flange connecting sections (1-4) and outer floating cylinder end flange connecting sections (1-5). The cross sections of the arc-shaped wave-resisting outer floating cylinders (1-2) and the arc-shaped wave-resisting inner floating cylinders (1-1) are circular and have the same cross section diameter D. The arc-shaped wave-resisting outer floating cylinders (1-2) and the arc-shaped wave-resisting inner floating cylinders (1-1) are arranged in parallel and at intervals, and the radius of the arc-shaped wave-resisting outer floating cylinders (1-2) is larger than that of the arc-shaped wave-resisting inner floating cylinders (1-1). The arch-shaped wave-preventing plates (1-3) are connected between the arc-shaped wave-resisting outer floating cylinders (1-2) and the arc-shaped wave-resisting inner floating cylinders (1-1) in a radial direction, and the inner side and the outer side of the arch-shaped wave-preventing plates (1-3) are respectively welded and fixed to the surface of the arc-shaped wave-resisting inner floating cylinders (1-1) and the surface of the arc-shaped wave-resisting outer floating cylinders (1-2). The outer floating cylinder end flange connecting sections (1-5) are arranged at the two ends of the arc-shaped wave-resisting outer floating cylinders (1-2), and the inner floating cylinder end flange connecting sections (1-4) are arranged at the two ends of the arc-shaped wave-resisting inner floating cylinders (1-1). The spring connector (2) comprises a T-shaped plate (2-1), a ring-direction spring (2-2) and a vertical spring (2-3); the T-shaped plate (2-1) comprises a vertical welded top plate (2-1-1) and a web plate (2-1-2); the web plate (2-1-2) is fixed to the middle position of the bottom of the top plate (2-1-1); the width of the top plate (2-1-1) and the web plate (2-1-2) is the same as the radial width of the arc-shaped wave-resisting structure unit (1). One of the said circumferential spring (2-2) is arranged between the end of two adjacent said arc-shaped wave-resistant structure units (1), between the two inner pontoon end flange connecting segments (1-4) and between the two outer pontoon end flange connecting segments (1-5); one of the said vertical spring (2-3) is arranged at the upper part of the two inner pontoon end flange connecting segments (1-4) and at the upper part of the two outer pontoon end flange connecting segments (1-5); Therefore, at the end of two adjacent said arc-shaped wave-resistant structure units (1), there are four said vertical springs (2-3) and two said circumferential springs (2-2); the top plate (2-1-1) is above the four said vertical springs (2-3), and the four corners of the top plate (2-1-1) are fixed with the top of each said vertical spring (2-3); the web plate (2-1-2) is arranged between two adjacent said arc-shaped wave-resistant structure units (1) along the radial direction of the said arc-shaped wave-resistant structure unit (1) and is inserted into the circumferential center of two said circumferential springs (2-2).

2. A floating ring-shaped wave-resistant offshore photovoltaic structure according to claim 1, characterized in that, The number of said arc-shaped wave-resistant structure units (1) is three, and the shape and size of the three said arc-shaped wave-resistant structure units (1) are completely the same, and the three said arc-shaped wave-resistant structure units (1) are flexibly connected in a ring shape by three said spring connectors (2).

3. The floating ring-shaped wave-resistant offshore photovoltaic structure according to claim 1, characterized in that, The height of the said arched wave-resistant plate (1-3) is greater than half of the significant wave height of the sea area where it is located, and the width is greater than the pontoon cross-sectional diameter D; the outer wave-encountering surface of the said arched wave-resistant plate (1-3) is provided with a penetrating wave-dissipating hole (1-3-1) for dividing the flow of waves, reducing the wave load, guiding the water flow between the said arc-shaped wave-resistant inner pontoon (1-1) and the said arc-shaped wave-resistant outer pontoon (1-2), and achieving the effect of wave dissipation; The draft of the said arc-shaped wave-resistant inner pontoon (1-1) and the said arc-shaped wave-resistant outer pontoon (1-2) is greater than the pontoon cross-sectional diameter D, so as to have the ability of wave protection and wave dissipation.

4. A floating ring-shaped wave-resistant offshore photovoltaic structure according to claim 1, characterized in that, The said web plate (2-1-2) is provided with a mooring ring for connecting and fixing one end of the said mooring cable (6), which is the mooring point of the said spring connector (2).

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