Marine floating support

Abstract

The utility model provides an offshore floating support which comprises a first floating body, a support array and a second floating body. The first floating body is in a circular ring shape and can float on the water surface. The support array is located on the inner side of the first floating body and serves as an installation carrier of a photovoltaic panel, the support array comprises a plurality of support units distributed around the axis of the first floating body in an annular array mode, and the tails of the support units are connected with the first floating body through cables; the heads of every two adjacent support units are connected through a first connecting rod. The second floating body is installed at the lower end of the support unit and provides buoyancy for the support unit. The offshore floating support adopts modular design, and is compact in structure, convenient to construct, high in wind wave resistance, free of frequent maintenance, low in manufacturing and maintenance cost and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of marine photovoltaic power generation equipment, in particular to a kind of offshore floating support. BACKGROUND

[0002] Marine photovoltaic power station is currently mainly divided into pile foundation fixed type and floating type, and the pile foundation fixed type is suitable for the site with shallow water level, no geological disasters such as subsidence, and small water level change, and the floating type marine photovoltaic power station is suitable for deep sea area, and the flexibility is higher by anchoring instead of pile foundation. However, the existing floating photovoltaic has problems of low structural strength, poor stability, poor wind and wave resistance, etc., therefore, how to improve the stability, wind and wave resistance and corrosion resistance of the offshore floating photovoltaic becomes a technical difficulty in the development of the marine floating photovoltaic.

[0003] The existing offshore floating support structure adopts a circular ring-shaped floating body as the core, a center floating body is arranged at the center of the circular ring-shaped floating body, flexible supports are arranged between the two floating bodies, photovoltaic supports are connected with the floating bodies through pull ropes, a protruding portion is arranged on the center floating body, and the protruding portion is used for fixing a plurality of parallel arranged installation ropes in a staggered manner, both ends of the installation rope are connected with the floating body, and the installation rope is used for suspending photovoltaic modules. Meanwhile, the pull ropes and the installation ropes are arranged to be perpendicular to each other in the inner side of the floating body, and a grid-shaped wave-resistant structure is formed. A stand column is additionally arranged on the top of the foam floating body, and the overall rigid support is enhanced.

[0004] The existing offshore floating support structure has the following disadvantages:

[0005] 1. The photovoltaic array is suspended by steel strands, and the steel strands need to be regularly tensioned, so the construction and maintenance cost is high.

[0006] 2. The steel strands are vertically arranged, the components are deformed under pressure, there is no rigid connection between the arrays, and the arrays are easily damaged by collision in the wind and waves.

[0007] 3. The center position of the circular ring-shaped floating body must be provided with a center floating body for anchoring the steel strands, and the steel strands are staggered at the center position, so it is inconvenient for subsequent maintenance and maintenance passage. Content of the utility model

[0008] Technical problem to be solved

[0009] The utility model aims to provide an offshore floating support which has compact structure, is convenient to assemble, has good structural reliability, long service life and low maintenance cost.

[0010] Technical scheme for solving the problem

[0011] The utility model provides an offshore floating support, which comprises:

[0012] A first floating body 1 is circular ring-shaped and can float on the water surface.

[0013] A support array is located at the inner side of the first floating body 1 and serves as a mounting carrier for the photovoltaic panel 3. The support array comprises a plurality of support units 2 arranged in a ring array around the axis of the first floating body 1. The support units 2 are rigid supports. The tail of the support unit 2 is fixedly connected with the first floating body 1. The heads of two adjacent support units 2 are fixedly connected by a rigid connecting piece 94.

[0014] A second floating body 4 is installed at the lower end of the support unit 2 and provides buoyancy for the support unit 2.

[0015] A photovoltaic panel 3 is installed on the support unit 2.

[0016] Further, the head of the support unit 2 has a spacing with the axis of the first floating body 1 and forms an inspection space 70 at the center of the support array.

[0017] Further, a center floating body 7 is arranged at the center of the first floating body 1. The head of the support unit 2 is connected with the center floating body 7 by a first connecting rod 91. A center hole is formed in the center floating body 7 and forms an inspection space 70.

[0018] Further, the first connecting rod 91 is fixedly connected with the rigid connecting piece 94. Two adjacent first connecting rods 91 are connected by a second connecting rod 92 and / or the second floating body 4 and form a rigid frame structure.

[0019] Further, one or more third connecting rods 93 are connected between two adjacent support units 2.

[0020] Further, the support unit 2 comprises first support units 2a and second support units 2b arranged alternately. The effective installation length of the second support unit 2b is smaller than that of the first support unit 2a.

[0021] Further, the second floating body 4 is a plurality of and arranged in sequence along the length direction of the support unit 2.

[0022] Further, the support unit 2 comprises two longitudinal beams 21. The two longitudinal beams 21 are connected by a fourth connecting rod and / or the second floating body 4 and form a rigid frame structure.

[0023] Further, the second floating body 4 comprises a support 42 fixedly arranged at the bottom of the support unit 2 and a floating body body 41 installed on the support 42.

[0024] Further, the tail of the support unit 2 is connected with the first floating body 1 by bolts or clamps.

[0025] Further, the first floating body 1 is made of HDPE.

[0026] Further, the longitudinal beam has a U-shaped cross section and its open end faces upward, and the longitudinal beam is provided with a mounting assembly for mounting the photovoltaic panel 3, the mounting assembly comprising a front upright 51, a rear upright 52 and a support 6, the front upright 51 and the rear upright 52 being fixed in the groove of the longitudinal beam 21, and the height of the front upright 51 being lower than that of the rear upright 52, the top of the front upright 51 and the rear upright 52 being provided with the support 6, the support 6 comprising a first support plate 61, the front end of the first support plate 61 being vertically fixed with a second support plate 62, a support area for contacting the edge of the photovoltaic panel being formed between the first support plate 61 and the second support plate 62, the rear end of the first support plate 61 being provided with a fixed plate 63 for connecting with the front upright 51 or the rear upright 52, mounting holes being formed in the fixed plate 63 and the second support plate 62, and the plane where the fixed plate 63 is located being parallel to the length direction of the support area and inclined to the second support plate 62.

[0027] Further, the second floating body 4 is strip-shaped and its length direction is perpendicular to the length direction of the support unit 2.

[0028] Further, the two longitudinal beams 21 are parallel to each other and make the support unit 2 form a rectangular frame structure.

[0029] Further, the longitudinal beam is a BFRP composite profile purlin.

[0030] Further, the first floating body 1 is a plastic pipe in a circular ring shape connected head to tail.

[0031] Further, the first floating body 1 is made of HDPE.

[0032] Further, the length direction of the support unit 2 is parallel to the radius direction of the first floating body 1.

[0033] Further, the photovoltaic panel 3 is arranged obliquely.

[0034] Beneficial effects

[0035] The utility model discloses offshore floating support adopts independent support unit setting, forms modularization design, compact structure, low manufacturing cost, and convenient construction and maintenance, support unit adopts rigid structure, makes the stability and carrying capacity of whole offshore floating support get remarkable promotion, set up longitudinal floater, can further improve structural strength, and then improve the wind and wave resistance, adopt rigid connecting piece connection between two support units of adjacent, make the connection more flexible and stable, avoid the collision between adjacent support units, in practical application, this design can also significantly reduce the support displacement and vibration caused by wave and current, thereby protect photovoltaic panel from damage, greatly improve the wind and wave resistance, connecting rod passes through bolt connection, forms hinge point and has certain rotation degree of freedom, when being impacted, can form slight deviation, thereby disperses external force, enhances the toughness of whole support system, and can avoid transmitting impact force to adjacent support unit, improves the overall structural stability and wind and wave resistance of array support, alternate support unit setting improves space utilization, and can ensure that the head of support unit keeps a certain distance, avoids being influenced by wind and wave each other, set up overhaul interval, convenient construction and daily maintenance, the utility model discloses offshore floating support adopts modularization design, compact structure, convenient construction, strong wind and wave resistance, need not frequent maintenance, low manufacturing and maintenance cost, long service life. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is offshore floating support's structural schematic diagram of the utility model;

[0037] Figure 2 It is offshore floating support's structural schematic diagram of support array of the utility model;

[0038] Figure 3 It is offshore floating support's structural schematic diagram of support unit of the utility model;

[0039] Figure 4 It is Figure 2 It is A part enlarged view in the middle;

[0040] Figure 5 It is Figure 2 It is B part enlarged view in the middle;

[0041] Figure 6 It is Figure 2 It is C part enlarged view in the middle;

[0042] Figure 7 It is offshore floating support's structural schematic diagram of second floater of the utility model;

[0043] Figure 8 It is offshore floating support's structural schematic diagram of bolt connecting piece of the utility model;

[0044] Figure 9The utility model discloses a photovoltaic mounting piece I of offshore floating support's structure schematic drawing.

[0045] Figure 10 The utility model discloses a photovoltaic mounting piece II of offshore floating support's structure schematic drawing.

[0046] Figure 11 The utility model discloses a photovoltaic mounting piece I of offshore floating support's structure schematic drawing of embodiment two.

[0047] Figure 12 The utility model discloses a photovoltaic mounting piece II of offshore floating support's structure schematic drawing of embodiment two. DETAILED DESCRIPTION

[0048] The utility model discloses an embodiment, and will be specifically described below.

[0049] Reference Figures 1-12 The utility model provides a kind of offshore floating support, and its structural design aims at improving overall structural stability and durability, ensure that photovoltaic panel is efficiently power generation under different sea conditions, specifically, it includes first floater 1 and support array.

[0050] In the application, the first floater 1 is circular, which can float on the water surface and provide stable support, as an important structural part of the offshore floating support. Meanwhile, the circular floater can protect the support array inside it from direct impact of sea waves or other objects, reduce structural damage, and provide protection for the stable operation of photovoltaic components (photovoltaic panels, etc.) inside the first floater 1.

[0051] In the application, the first floater 1 is a tubular structure connected at both ends, with a hollow interior that can effectively disperse seawater pressure and enhance buoyancy. It has a low center of gravity, good stability, and strong resistance to wind and waves. In this embodiment, the first floater 1 is made of HDPE (High-Density Polyethylene), a thermoplastic plastic made from ethylene monomers through polymerization. It has the following advantages: high strength, good rigidity, strong resistance to chemical corrosion, strong resistance to acids, bases, salts, alcohols, oils, and other chemicals, low water absorption, good low-temperature toughness, lightweight, and easy to process. Therefore, the circular first floater made of HDPE has good strength and durability, and can maintain long-term stable operation in extreme marine environments.

[0052] The support array is located on the inner side of the first floating body 1, that is, in the circular ring, and serves as a mounting carrier of the photovoltaic panel 3 for mounting the photovoltaic panel 3. The support array comprises a plurality of support units 2, which are rigid supports, and the plurality of support units 2 are distributed in the form of a ring array around the axis of the first floating body 1 to form the support array. For ease of description, the end of the support unit 2 away from the axis of the first floating body 1 is defined as the tail end, and the end of the support unit 2 close to the axis of the first floating body 1 is defined as the head end. The tail end of the support unit 2 is connected to the first floating body 1, and the head ends of adjacent two support units 2 are fixedly connected by a rigid connecting piece 94. A second floating body 4 is arranged at the lower end of the support unit 2, which can provide buoyancy for the support unit 2 and enable it to float independently on the water surface.

[0053] In the present application, the tail end of the support unit 2 can be connected to the first floating body 1 by a hoop or by a bolt. When the hoop is used for connection, a cable is arranged at the tail end of the support unit 2. The cable is a steel strand. An arc-shaped shackle is connected to the end of the steel strand by the hoop, and the hoop is connected to the first floating body 1, thereby achieving flexible connection between the tail end of the support unit 2 and the first floating body 1. The above-mentioned hoop is composed of two semicircular parts which are fixed on the first floating body 1 by bolt clamping, thereby avoiding the need to drill anchor holes in the first floating body 1, avoiding the risk of water leakage of the circular ring-shaped first floating body, improving the use reliability and service life, and greatly reducing the assembly and maintenance costs. At the same time, since the support array and the first floating body 1 are connected flexibly, when the first floating body outside the support array is impacted by sea waves, the impact force can be avoided from being directly transmitted to the support array, thereby improving the overall impact resistance of the support and ensuring the operation stability of the support unit 2 and the photovoltaic modules on the support unit. Since the water in the ocean is easy to corrode the hoop, the support using the hoop structure is suitable for use in freshwater lakes.

[0054] Referring to Figure 8 When the bolt is used for connection, a mounting hole is penetrated through the first floating body 1. The axis of the mounting hole is perpendicular to and intersects with the axis of the first floating body 1. Preferably, the axis of the first mounting hole penetrates through the center of the cross section of the first floating body. A bolt body 22 is sleeved in the mounting hole. The two ends of the bolt body are respectively provided with a first clamping plate 23 and a second clamping plate 24 which can be attached to the surface of the first floating body. Sealing elements are arranged between the first clamping plate 23 and the first floating body 1 and between the second clamping plate 24 and the first floating body 1, respectively, for sealing to avoid water entering the first floating body from the gap and affecting the buoyancy. This kind of mode is suitable for use in the ocean and has good corrosion resistance.

[0055] In order to improve the space utilization rate inside the first floating body 1, in the application, the support unit 2 comprises a first support unit 2a and a second support unit 2b, the effective installation length of the second support unit 2b is smaller than that of the first support unit 2a, the effective installation length is the effective length that can install the photovoltaic panel, because the first floating body is a circular ring, the closer to the center part of the first floating body, the smaller the radius, therefore, the space that can install the photovoltaic panel is also smaller, in order to avoid interference between adjacent two photovoltaic panels, the above-mentioned alternating arrangement structure is adopted to improve the space utilization rate; the first support unit 2a and the second support unit 2b are arranged in the first floating body 1 in the form of alternating with each other and in a circular array, that is, during assembly, they are arranged in the order of one first support unit 2a, one second support unit 2b, one first support unit 2a, one second support unit 2b, the distance from the tail of the first support unit 2a and the second support unit 2b to the first floating body is basically the same, the distance from the head of the first support unit 2a and the second support unit 2b to the center of the first floating body 1 can be the same or different, preferably, the same, which is convenient for overall installation and fixation, the number of the above-mentioned first support unit 2a and the second support unit 2b is the same; the two sides of the head of the first support unit 2a are connected with the head of the adjacent second support unit 2a through a rigid connecting piece 94, see Figure 5 , the rigid connecting piece 94 is a rigid piece, which can be plate-shaped or rod-shaped structure, an installation hole is formed on the rigid connecting piece 94, which is used for fixed connection with the end of the support unit through a bolt to form a rigid structure; the rigid connecting piece can keep the distance between the heads of adjacent two support units constant to avoid collision under the influence of sea waves; one or more third connecting rods 93 are connected between adjacent two support units, the third connecting rod is connected between adjacent two support units through a bolt, the third connecting rod is a rigid rod, which further ensures that the distance between adjacent two support units is constant to avoid collision.

[0056] In order to facilitate overall construction and daily maintenance, in the application, the head of the support unit 2 has a spacing (distance) with the axis (center) of the first floating body 1, and further forms a polygonal maintenance space 70 in the center of the support array, which is convenient for maintenance personnel to enter and exit and perform maintenance operation.

[0057] In the present application, a center float 7 is further included, which is arranged at the center position of the first float 1, and the head of the support unit 2 is connected with the center float 7 through a first connecting rod 91, thereby improving the structural strength of the overall frame. A center hole is formed in the center float 7 to form an inspection space 70, i.e., the inspection space 70 is circular. In the present embodiment, the hole diameter of the inspection space is 0.5m-1m, which is convenient for inspection operation. The center float 7 includes a circular center float body 71, the inner wall of the center hole of the center float body 71 extends upward and forms a cylindrical first reinforcing portion 72, and a reinforcing rib 73 is arranged between the first reinforcing portion 72 and the upper surface of the center float body 71. The first reinforcing rib is a plurality of reinforcing ribs and is uniformly distributed in the circumferential direction. An installation area is formed between two adjacent reinforcing ribs, and an installation hole is formed in the installation area. The number of installation areas is the same as the number of first connecting rods 91, and the end of the first connecting rod 91 is installed in the installation area. Through the above structure, the structural strength of the center position of the support array can be improved, thereby improving the wind and wave resistance and prolonging the service life. The center float can be a buoy or foam, or the buoy is filled with foam.

[0058] In order to further improve the structural strength, in the present application, the first connecting rod 91 is fixedly connected with a rigid connecting piece 94, which is located between the longitudinal beams of two adjacent support units. The second connecting rod 92 or the second float 4 is connected between two adjacent first connecting rods 91, so that a rigid frame structure is also formed between the adjacent first connecting rods.

[0059] The first support unit 2a and the second support unit 2b have the same structure, and the structure of the support unit 2 will be described in detail below.

[0060] The support unit 2 includes two longitudinal beams 21 which are parallel to each other or at a certain angle. The two longitudinal beams 21 are connected through a third connecting rod and / or a second float 4 to form a rigid frame structure. The tail of each longitudinal beam 21 is connected with the first float 1 through a bolt, and the front end is connected with the adjacent support unit 2 through a rigid connecting piece 94. Specifically, the rigid connecting piece 94 is connected with the support unit 2 (longitudinal beam) through a bolt.

[0061] In order to facilitate production and manufacturing, in the present application, the two longitudinal beams 21 are parallel to each other, thereby forming a rectangular frame structure of the support unit 2. Meanwhile, the length direction (center line) of the support unit 2 is parallel to the radial direction of the first float 1.

[0062] In the application, the longitudinal beam is a BFRP composite purlin, BFRP is basalt fiber reinforced composite material, which is a high-performance composite material taking basalt fiber as reinforcing material and taking thermosetting or thermoplastic resin as matrix, and it combines the high strength, corrosion resistance of basalt fiber and the toughness of resin matrix; it has the advantages of high strength, light weight, good corrosion resistance, high temperature resistance, fatigue resistance and good creep resistance.

[0063] The longitudinal beam 21 is a profile structure, in the application, its cross section is U-shaped structure, similar to channel steel structure, and the open end is arranged upward, facilitating the arrangement of the mounting assembly of the photovoltaic panel, and the cable of the photovoltaic assembly can be placed, and the upper end of the open end of the longitudinal beam is bent outward or inward by 90 degrees to form a reinforcing part; a hole body is arranged on the longitudinal beam 21, which is equidistantly arranged along the length direction of the longitudinal beam 21 and serves as a mounting hole, facilitating assembly and enabling different hole bodies to be selected for assembly according to different mounting positions; in the application, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod also adopt the same profile as the longitudinal beam, which reduces the production cost and improves the assembly efficiency.

[0064] The photovoltaic panel 3 is fixed on the support unit through the mounting assembly, in the application, the photovoltaic panel 3 is equidistantly arranged on the support unit 2 along the length direction of the support unit 2, and at the same time, it is arranged obliquely to the radial direction of the first floating body 1, the oblique angle is greater than 0 degrees and less than or equal to 5 degrees, preventing the photovoltaic panel from being covered with water.

[0065] The structure of the mounting assembly is described as follows:

[0066] Embodiment one: refer to Figure 11 and Figure 12, the cross section of the longitudinal beam is U-shaped, the open end of which faces upward, and the mounting assembly is arranged in the groove of the transverse beam, specifically, the mounting assembly comprises a front upright column 51, a rear upright column 52 and a support 6, the front upright column 51 and the rear upright column 52 are fixed in the groove of the longitudinal beam 21, and the front upright column 51 and the rear upright column 52 are the same in structure, except that they are different in height, thereby forming a height difference, forming an angle, that is, forming the inclined installation of the photovoltaic panel; the width of the front upright column 51 and the rear upright column 52 is basically the same as the width of the groove of the longitudinal beam, so that the side wall thereof is in contact with the inner wall of the groove, thereby the connection strength is high and the wind and wave resistance in the horizontal direction is strong; the bottom surface of the front upright column and the rear upright column extends to both sides to form a connecting portion, and a mounting hole is arranged on the connecting portion for connecting with the bottom surface of the groove of the longitudinal beam through a bolt; the support 6 is arranged at the top of the front upright column 51 and the rear upright column 52, the support 6 comprises a first support plate 61, in this embodiment, the cross section of the first support plate 61 is triangular, a second support plate 62 is fixed vertically at the front end of the first support plate 61, a support area is formed between the first support plate 61 and the second support plate 62, which is used to contact and support the edge of the photovoltaic panel, a mounting hole is arranged on the second support plate 62 for fixed connection with the photovoltaic panel; a fixed plate 63 is arranged at the rear end of the first support plate 61, which is used to connect with the top of the front upright column 51 or the rear upright column 52, and a mounting hole is also arranged on the fixed plate 63 for connecting with the top of the front and rear upright columns through a bolt, the plane where the fixed plate 63 is located is parallel to the length direction of the support area, and is inclined to the second support plate 62 at an angle of 3-10 degrees, thereby ensuring the fit of the edge of the photovoltaic panel in the support area during assembly, specifically, the lower end of the photovoltaic panel is fitted with the surface of the second support plate, and the side wall of the photovoltaic panel is fitted with the surface of the first support plate; in this application, the second support plate 62 is arranged at the center of the first support plate 61, thereby forming two symmetrical support areas, so that during assembly, only the forward and reverse installation of the support on the front and rear upright columns is needed, thereby reducing the production cost. In order to enhance the stability of the photovoltaic panel, an elastic material gasket is further adopted in the design, which is arranged between the second support plate and the photovoltaic panel,

[0067] Embodiment two, refer to Figures 9-10The difference between the embodiment and the embodiment is the structure of the mounting assembly, in the embodiment, the open end of the longitudinal beam is arranged downward, the mounting assembly comprises a first mounting member 51' and a second mounting member 52', wherein the first mounting member 51' comprises a first plate body 511', the end of the first plate body 511' is upwardly inclined and bent to form a second plate body 512', the bending angle is 1-5°, mounting holes are formed on the first plate body and the second plate body, the first mounting member 51' is used for connecting the lower inclined end of the photovoltaic panel; the second mounting member 52' comprises a third plate body 521', the upper and lower ends of the third plate body 521' are bent in opposite directions to form a fourth plate body 522' and a fifth plate body 523', the included angle between the fourth plate body 522' and the fifth plate body 523' is 1-5°, meanwhile, mounting holes are formed on the fourth plate body 522' and the fifth plate body 523', which are used for connecting the longitudinal beam and the photovoltaic panel, the second mounting member 52' is used for connecting the upper inclined end of the photovoltaic panel.

[0068] In the application, the two longitudinal beams of the support unit 2 are fixedly connected through the second floating body 4 to form a rigid frame structure; the second floating body 4 is a plurality of, and is arranged in sequence along the length direction of the support unit 2, in the embodiment, the second floating body 4 is strip-shaped, preferably rectangular, and the length direction thereof is perpendicular to the length direction of the support unit 2, the length thereof is greater than or equal to the width of the support unit 2, and less than or equal to the length of the photovoltaic panel; the second floating body 4 comprises a support 42 and a floating body body 41, the support 42 is used for fixedly connecting with the support unit, the second floating body 4 can be a floating cylinder or foam, or filled with foam in the floating cylinder.

[0069] The utility model offshore floating support adopts independent support unit setting, forms modularization design, compact structure, low manufacturing cost, and convenient construction and maintenance, support unit adopts rigid structure, makes the stability and carrying capacity of whole offshore floating support get remarkable promotion, set up longitudinal floater, can further improve structural strength, and then improve the wind and wave resistance performance, adopt rigid connecting piece connection between two support units, make connection more flexible and stable, avoid the collision between adjacent support units, in practical application, this design can also significantly reduce the support displacement and vibration caused by wave and current, thereby protect photovoltaic panel from damage, greatly improve the wind and wave resistance, connecting rod passes through bolt connection, forms hinge point, and has certain rotation degree of freedom, when being impacted, can form slight deviation, thereby disperses external force, enhances the toughness of whole support system, and can avoid transmitting impact force to adjacent support unit, improves the overall structural stability and wind and wave resistance of array support, alternating support unit setting improves space utilization, and can ensure that the head of support unit keeps a certain distance, avoids being influenced by wind and wave each other, set up overhauling interval, convenient construction and daily maintenance, the utility model offshore floating support adopts modularization design, compact structure, convenient construction, strong wind and wave resistance, need not frequent maintenance, low manufacturing and maintenance cost, long service life.

[0070] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model.

Claims

1. An offshore floating support, characterized in that, The utility model relates to a floating photovoltaic power station, comprising: a first floating body in the shape of a circular ring and capable of floating on the water surface; a support array located on the inner side of the first floating body and serving as a mounting carrier for photovoltaic panels, the support array comprising a plurality of support units arranged in a ring array around the axis of the first floating body, the support units being rigid supports, the tail ends of the support units being fixedly connected to the first floating body, and the head ends of adjacent two support units being fixedly connected by rigid connecting members; a second floating body mounted at the lower end of the support units and providing buoyancy for the support units.

2. The offshore floating support of claim 1, wherein: The head ends of the support units are spaced apart from the axis of the first floating body and form an inspection space in the center of the support array.

3. Offshore floating support according to claim 1 or 2, characterized in that: The utility model further comprises a central floating body arranged in the center of the first floating body, the head ends of the support units being connected to the central floating body by first connecting rods, the central floating body being provided with a central hole and forming an inspection space.

4. The offshore floating support of claim 3, wherein: The first connecting rods are fixedly connected to the rigid connecting members, and adjacent two first connecting rods are connected by second connecting rods and / or the second floating bodies and form a rigid frame structure.

5. The offshore floating support of claim 1, wherein: One or more third connecting rods are connected between adjacent two support units.

6. The offshore floating support of claim 1, wherein: The support units comprise first support units and second support units arranged alternately, the effective mounting length of the second support units being smaller than that of the first support units.

7. The offshore floating support of claim 1, wherein: There are a plurality of second floating bodies arranged in sequence along the length direction of the support units.

8. The offshore floating support of claim 1, wherein: The support units comprise two longitudinal beams, and the two longitudinal beams are connected by fourth connecting rods and / or the second floating bodies and form a rigid frame structure.

9. The offshore floating support of claim 1, wherein: The second floating bodies comprise supports and floating bodies mounted on the supports.

10. The offshore floating support of claim 1, wherein: The tail ends of the support units are connected to the first floating body by bolts or clamps.

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