Offshore floating type photovoltaic system

Abstract

The utility model discloses an offshore floating type photovoltaic system, comprising a photovoltaic assembly and a floating body, and also comprising a composite material grid, the center of the composite material grid is provided with a fixing hole used for placing the floating body, the floating body is clamped in the fixing hole and is fixedly connected with the composite material grid, and the composite material grid is fixedly connected with the floating body. The lower portion of the floating body is located below the composite material grid, the upper portion of the floating body is located above the composite material grid, and the photovoltaic assembly is fixedly arranged on the upper portion of the floating body. According to the offshore floating type photovoltaic system, the composite material grating is adopted as the floating platform, and the composite material grating floating platform has the natural characteristics of light weight, high strength and corrosion resistance, so that the offshore floating type photovoltaic system has stronger wind and wave resistance and is more convenient to install and maintain. Meanwhile, due to the grating structure, sea waves can penetrate through the holes, and the wave dissipation function is achieved, so that the floating platform is safer and can better adapt to the complex environment of the ocean.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic power generation, and particularly relates to a photovoltaic system. Background Art

[0002] Around the world, more and more energy companies and government departments have begun to research and practice offshore photovoltaic technology. Compared with onshore photovoltaics, offshore photovoltaics have higher power generation efficiency and less land demand, and can also effectively avoid problems such as land use and environmental pollution. Among them, offshore floating photovoltaics have received extensive attention in terms of technology and economic benefits.

[0003] Currently, offshore photovoltaics are mainly semi-submersible. Traditional offshore floating photovoltaic solutions use small floating bodies spliced together, and the floating body platform is mainly made of polyethylene. This method has many connection points and weak anti-wave and anti-wind capabilities, making it difficult to apply to complex marine environments.

[0004] Therefore, there is an urgent need to develop an offshore floating photovoltaic system that can adapt to complex marine environments and is easy to install. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the above-mentioned deficiencies and defects in the background art, and provide an offshore floating photovoltaic system that can adapt to complex marine environments and is easy to install.

[0006] To solve the above technical problem, the technical solution proposed by the utility model is:

[0007] An offshore floating photovoltaic system includes a photovoltaic module and a floating body, and further includes a composite material grid. A fixing hole for placing the floating body is provided in the center of the composite material grid. The floating body is clamped in the fixing hole and fixedly connected to the composite material grid. The lower part of the floating body is located below the composite material grid, and the upper part of the floating body is located above the composite material grid. The photovoltaic module is fixedly arranged on the upper part of the floating body.

[0008] In the above offshore floating photovoltaic system, preferably, the floating body includes a bottom plate and a support plate arranged on the bottom plate. The bottom plate is arranged below the composite material grid, and the support plate passes through the fixing hole and extends upward for fixing the photovoltaic module. The above bottom plate is located below the composite material grid and can be used to provide buoyancy to make the whole device float on the sea surface. The support plate is located above the composite material grid and is used to support the photovoltaic module.

[0009] In the above-mentioned offshore floating photovoltaic system, preferably, there are a pair of support plates with different heights. A clamping groove is provided at the upper edge of one support plate, and a clamping plate is provided at the upper edge of the other support plate. One end of the photovoltaic module is clamped in the clamping groove, and the other end is aligned with the clamping plate and fixedly connected through a first connecting component. The different heights of the support plates facilitate the photovoltaic module to receive light better. The above-mentioned clamping groove can be a U-shaped groove, which is used to fix one side of the photovoltaic panel, and then fix the other side of the photovoltaic panel to the support plate, so that the photovoltaic panel can be fixedly connected to the floating body.

[0010] In the above-mentioned offshore floating photovoltaic system, preferably, the first connecting component includes two upper and lower buckles and a bolt for closing and clamping the photovoltaic module and the clamping plate between the two upper and lower buckles. When the photovoltaic panel and the clamping plate are arranged between the two upper and lower buckles, by tightening the bolt, the distance between the two buckles can be reduced, thereby fixing the photovoltaic panel and the clamping plate, and realizing the fixed connection between one side of the photovoltaic panel and the support plate.

[0011] In the above-mentioned offshore floating photovoltaic system, preferably, the floating body is fixedly connected to the composite grid through its bottom plate, and the bottom plate is fixedly connected to the composite grid through a second connecting component. When the floating body is arranged in the fixing hole in the composite grid, the displacement of the floating body in the horizontal direction is restricted. Then, the floating body is fixedly connected to the composite grid through its bottom plate, which can prevent the floating body from floating up and down. Through the above settings, the fixed connection between the floating body and the composite grid can be realized.

[0012] In the above-mentioned offshore floating photovoltaic system, preferably, through holes are formed at the edges on both sides of the bottom plate. The second connecting component includes a backing plate, a second connecting column and a second chuck. The backing plate is fixedly arranged at one end of the second connecting column, and the second chuck is detachably arranged at the other end of the second connecting column. The backing plate is arranged below the bottom plate, the second connecting column penetrates through the through hole, and the second chuck is clamped on the upper surface of the composite grid. The second chuck can be well clamped on the upper surface of the composite grid, and can cooperate with the backing plate and the second connecting column to realize the connection between the bottom plate and the composite grid. After the second chuck is arranged at one end of the second connecting column, its position can be fixed by a nut to prevent it from sliding out upwards. The second chuck can include two barbs, which are respectively hooked on both sides of a small square hole in the composite grid.

[0013] In the above-mentioned offshore floating photovoltaic system, preferably, a plurality of composite grids are arranged side by side. Each composite grid is provided with the floating body and the photovoltaic module. Generally, multiple photovoltaic modules need to be arranged on the sea surface to increase the power generation. The utility model combines the composite grid, the floating body and the photovoltaic module into a photovoltaic module unit, and then connects multiple photovoltaic module units in pairs and arranges them in a sheet, which can improve the power generation efficiency.

[0014] In the above-mentioned offshore floating photovoltaic system, preferably, adjacent composite material grids are hinged through a third connecting component. The adjacent composite material grids are mainly connected by hinging, which not only retains the freedom between the floating photovoltaic module units, but also makes the floating photovoltaic platform array be flexibly connected and can move with the waves on the sea surface, improving the anti-wave and anti-wind ability.

[0015] In the above-mentioned offshore floating photovoltaic system, preferably, the third connecting component includes two hinged connecting plates. A third connecting column is fixedly arranged on the connecting plate, and a third chuck is detachably arranged on the third connecting column. The connecting plate is located on the lower bottom surface of the composite material grid, and the third chuck is clamped on the upper surface of the composite material grid. The two connecting plates can rotate freely relative to each other, which can realize the flexible connection of adjacent composite material grids. The third chuck can be well clamped on the upper surface of the composite material grid and can cooperate with the connecting plate to realize the connection of adjacent composite material grids. A pair of third chucks can be respectively arranged on each connecting plate. After the third chuck is arranged at one end of the third connecting column, its position can be fixed by a nut to prevent it from sliding out upwards. The third chuck can include two barbs, which are respectively hooked on both sides of a small square hole in the composite material grid.

[0016] The floating body of the present utility model can adopt a polyethylene floating body. The composite material grid can be composed of glass fiber reinforced plastic and a resin matrix, and the resin matrix can be epoxy resin, vinyl resin, polyurethane resin, etc.

[0017] For the offshore floating photovoltaic system of the present utility model, a composite material grid is used as the floating platform, and the polyethylene floating body mainly provides buoyancy and is connected to the photovoltaic module. In this way, most of the wind and wave forces are shared by the composite material grid platform, ensuring the safety and reliability of the photovoltaic platform system. During specific connection, the polyethylene floating body is placed in the middle of the composite material grid platform to prevent left and right movement. At the same time, through the connection of the second connecting component, the floating body is prevented from floating up and down; adjacent composite material grids are connected by hinging, which not only retains the freedom between the floating photovoltaic module units, but also makes the floating photovoltaic platform array be flexibly connected and can move with the waves on the sea surface; the polyethylene floating body and the photovoltaic module are connected through a card slot and a first connecting component, and the connection is reliable, which can prevent the wind and waves from damaging the photovoltaic module.

[0018] The composite material grid of the present utility model is a whole structure, which can effectively buffer the acting force of the sea waves on the photovoltaic product. And the adjacent composite material grids are hinged, mainly to ensure the wave-following property. At the same time, the composite material grid can be integrally formed, and the number of hinges can be appropriately reduced. For example, four floating bodies use one composite material grid, and then the composite material grids are connected by hinges.

[0019] Compared with the prior art, the advantages of the present utility model are as follows:

[0020] 1. The floating photovoltaic system of the present utility model uses a composite material grid as a floating platform. The composite material grid floating platform has natural light weight, high strength and corrosion resistance characteristics, making it more resistant to wind and waves and more convenient for installation and maintenance. At the same time, due to the grid structure, sea waves can pass through the pores, and it also has a wave dissipation function, making the floating platform safer and better able to adapt to the complex marine environment.

[0021] 2. The floating photovoltaic system of the present utility model has the function of connecting the floating body and the support. The photovoltaic module can be directly installed on the floating body, and then the floating body can be installed on the composite material grid, which simplifies the connection structure and ensures the reliability of the photovoltaic system. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] Figure 1 It is a schematic structural diagram of the floating photovoltaic system of the present utility model.

[0024] Figure 2 It is Figure 1 a partial enlarged view of A in

[0025] Figure 3 It is Figure 1 a partial enlarged view of B in

[0026] Figure 4 It is a schematic structural diagram of the floating body in the floating photovoltaic system of the present utility model.

[0027] Figure 5 It is a schematic structural diagram of the first connection component in the floating photovoltaic system of the present utility model.

[0028] Figure 6 It is a schematic structural diagram of the second connection component in the floating photovoltaic system of the present utility model.

[0029] Figure 7 It is a schematic structural diagram of the third connection component in the floating photovoltaic system of the present utility model.

[0030] LEGEND DESCRIPTION

[0031] 1. Photovoltaic module; 2. Floating body; 21. Bottom plate; 211. Through hole; 22. Support plate; 221. Card slot; 222. Card board; 3. Composite material grid; 31. Fixing hole; 4. First connection component; 41. Snap fastener; 42. Bolt; 5. Second connection component; 51. Pad; 52. Second connecting column; 53. Second chuck; 6. Third connection component; 61. Connecting plate; 62. Third connecting column; 63. Third chuck. Detailed implementation mode

[0032] For the convenience of understanding the present invention, the following will describe the present invention more comprehensively and meticulously in conjunction with the accompanying drawings of the specification and preferred embodiments, but the protection scope of the present invention is not limited to the following specific embodiments.

[0033] It should be particularly noted that when a certain element is described as "fixed to, fixedly connected to, connected to or communicated with" another element, it can be directly fixed, fixedly connected, connected or communicated to the other element, or indirectly fixed, fixedly connected, connected or communicated to the other element through other intermediate connecting members.

[0034] Unless otherwise defined, all the professional terms used hereinafter have the same meanings as those commonly understood by those skilled in the art. The professional terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the protection scope of the present invention.

[0035] Unless otherwise specifically stated, various raw materials, reagents, instruments and equipment used in the present invention can be obtained through the market or can be prepared by existing methods.

[0036] Embodiment:

[0037] As Figures 1 - 3 shown, the offshore floating photovoltaic system of this embodiment includes a photovoltaic module 1 and a floating body 2, and also includes a composite material grid 3. A fixing hole 31 for placing the floating body 2 is provided at the center of the composite material grid 3. The floating body 2 is clamped in the fixing hole 31 and fixedly connected to the composite material grid 3. The lower part of the floating body 2 is located below the composite material grid 3, and the upper part of the floating body 2 is located above the composite material grid 3. The photovoltaic module 1 is fixedly arranged on the upper part of the floating body 2.

[0038] As Figure 4 shown, in this embodiment, the floating body 2 includes a bottom plate 21 and a support plate 22 arranged on the bottom plate 21. The bottom plate 21 is arranged below the composite material grid 3, and the support plate 22 passes through the fixing hole 31 and is arranged upward for fixing the photovoltaic module 1.

[0039] In this embodiment, there are a pair of support plates 22, and they are at different heights. A card slot 221 is provided at the upper edge of one support plate 22, and a clamping plate 222 is provided at the upper edge of the other support plate 22. One end of the photovoltaic module 1 is clamped in the card slot 221, the other end is aligned with the clamping plate 222, and they are fixedly connected through a first connection assembly 4.

[0040] As Figure 5 shown, in this embodiment, the first connection assembly 4 includes two upper and lower buckles 41 and a bolt 42 for closing and clamping the upper and lower buckles 41 to the photovoltaic module 1 and the clamping plate 222.

[0041] In this embodiment, the floating body 2 is fixedly connected to the composite grid 3 through its bottom plate 21, and the bottom plate 21 is fixedly connected to the composite grid 3 through a second connection assembly 5.

[0042] As Figure 6 shown, in this embodiment, through holes 211 are formed at the edges on both sides of the bottom plate 21. The second connection assembly 5 includes a backing plate 51, a second connecting column 52 and a second chuck 53. The backing plate 51 is fixedly arranged at one end of the second connecting column 52, the second chuck 53 is detachably arranged at the other end of the second connecting column 52. The backing plate 51 is arranged below the bottom plate 21, the second connecting column 52 passes through the through hole 211, and the second chuck 53 is clamped on the upper surface of the composite grid 3.

[0043] In this embodiment, a plurality of composite grids 3 are arranged side by side, and a floating body 2 and a photovoltaic module 1 are arranged on each composite grid 3.

[0044] In this embodiment, adjacent composite grids 3 are hinged through a third connection assembly 6.

[0045] As Figure 7 shown, in this embodiment, the third connection assembly 6 includes two hinged connecting plates 61. A third connecting column 62 is fixedly arranged on the connecting plate 61, and a third chuck 63 is detachably arranged on the third connecting column 62. The connecting plate 61 is located on the lower bottom surface of the composite grid 3, and the third chuck 63 is clamped on the upper surface of the composite grid 3.

[0046] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A floating photovoltaic system at sea, comprising a photovoltaic module (1) and a floating body (2), characterized in that, It further includes a composite material grid (3). A fixing hole (31) for placing the floating body (2) is formed in the center of the composite material grid (3). The floating body (2) is clamped in the fixing hole (31) and fixedly connected to the composite material grid (3). The lower part of the floating body (2) is located below the composite material grid (3), and the upper part of the floating body (2) is located above the composite material grid (3). The photovoltaic module (1) is fixedly arranged on the upper part of the floating body (2).

2. The floating photovoltaic system at sea according to claim 1, wherein The floating body (2) includes a bottom plate (21) and a support plate (22) arranged on the bottom plate (21). The bottom plate (21) is arranged below the composite material grid (3), and the support plate (22) passes through the fixing hole (31) and extends upward for fixing the photovoltaic module (1).

3. The floating photovoltaic system at sea according to claim 2, characterized in that There are a pair of the support plates (22) with different heights. A clamping groove (221) is formed on the upper edge of one of the support plates (22), and a clamping plate (222) is formed on the upper edge of the other support plate (22). One end of the photovoltaic module (1) is clamped in the clamping groove (221), the other end is aligned with the clamping plate (222), and they are fixedly connected through a first connection component (4).

4. The floating photovoltaic system at sea according to claim 3, characterized in that, The first connection component (4) includes two upper and lower buckles (41) and a bolt (42) for closing and clamping the upper and lower buckles (41) to clamp the photovoltaic module (1) and the clamping plate (222).

5. The floating photovoltaic system at sea according to any one of claims 2-4, characterized in that, The floating body (2) is fixedly connected to the composite material grid (3) through its bottom plate (21), and the bottom plate (21) is fixedly connected to the composite material grid (3) through a second connection component (5).

6. The floating photovoltaic system at sea according to claim 5, characterized in that, Through holes (211) are formed on the edges on both sides of the bottom plate (21). The second connection component (5) includes a backing plate (51), a second connection column (52), and a second chuck (53). The backing plate (51) is fixedly arranged at one end of the second connection column (52), the second chuck (53) is detachably arranged at the other end of the second connection column (52). The backing plate (51) is arranged below the bottom plate (21), the second connection column (52) passes through the through hole (211), and the second chuck (53) is clamped on the upper surface of the composite material grid (3).

7. The floating photovoltaic system at sea according to any one of claims 1-4, characterized in that, A plurality of the composite material grids (3) are arranged side by side. The floating body (2) and the photovoltaic module (1) are arranged on each of the composite material grids (3).

8. The floating photovoltaic system at sea according to claim 7, characterized in that, Adjacent composite material grids (3) are hinged through a third connection component (6).

9. The floating photovoltaic system at sea according to claim 8, characterized in that, The third connection component (6) includes two hinged connecting plates (61). A third connection column (62) is fixedly arranged on the connecting plate (61), and a third chuck (63) is detachably arranged on the third connection column (62). The connecting plate (61) is located on the lower bottom surface of the composite material grid (3), and the third chuck (63) is clamped on the upper surface of the composite material grid (3).

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