Novel wind-wave-resistant photovoltaic floating body device

Abstract

The utility model provides a novel storm-resistant photovoltaic floating body device which comprises a floating type photovoltaic assembly and a floating assembly, the floating type photovoltaic assembly is composed of a plurality of photovoltaic modules, the floating assembly is composed of a plurality of annular frame floating bodies, and the floating assembly and the floating type photovoltaic assembly are connected into a whole through a plurality of integrated connecting pieces. The photovoltaic module comprises floating bodies and photovoltaic panels, the adjacent floating bodies are connected through lug plates, and first heaving parts are arranged below the floating bodies; a second heaving part is arranged below the integrated connecting part; by adopting the middle tiled photovoltaic module design, the wind load influence is reduced, and the overall stability is improved; heaving motion caused by waves is restrained through the heaving plate structure, and the response amplitude of the system is reduced; the annular frame floating bodies are arranged to form modular arrangement, so that transportation and installation are facilitated; four corners of the floating body are arc lines to reduce the stress concentration risk; therefore, the system is suitable for photovoltaic application scenes in sea or internal lake areas with complex stormy wave environments.

Description

Technical Field

[0001] This utility model relates to the technical field of floating photovoltaic power generation, and in particular to a novel wind and wave resistant photovoltaic floating body device. Background Technology

[0002] Currently, floating photovoltaic (PV) systems generally use high-density polyethylene (HDPE) or metal frame structures to support the PV modules, and buoyancy is provided by floats. These systems are typically suitable for areas with relatively calm wind and wave conditions, such as inland lakes and slow-flowing reservoirs. However, when floating platforms are deployed in areas with large winds and waves, conventional structures have the following problems in terms of capsizing resistance, vibration resistance, and floating stability:

[0003] Poor structural rigidity: Traditional frame structures are unable to effectively disperse wave impacts and are prone to structural fatigue; lack of damping and vibration reduction design: There are no effective devices to suppress roll or heave responses; limited connection methods: The connection methods between photovoltaic arrays are too rigid, which is not conducive to wave adaptability; limitations of fixing devices: Wave slip resistance and floating body stability are limited, and swaying or relative displacement is likely to occur. Although some systems have introduced flexible connections or wave-resistant designs, most have failed to form a systematic wind and wave resistant floating body structure from the perspective of structural-hydrodynamic synergy. Utility Model Content

[0004] The present invention aims to provide a novel wind and wave resistant photovoltaic floating device, which has a reasonable structure, flexible connection, strong wind and wave resistance, structural stability and flexible adaptability.

[0005] Therefore, the technical solution adopted by this utility model is as follows: a novel anti-wind and wave photovoltaic floating body device, including a floating photovoltaic module and a floating component. The floating photovoltaic module is composed of multiple photovoltaic modules that are laid out and connected in a longitudinal and transverse manner. The floating component is composed of multiple annular frame floats arranged on the outer periphery of the floating photovoltaic module to provide buoyancy support. The floating component and the floating photovoltaic module are connected to form a whole by several integrated connectors arranged at intervals along the circumference.

[0006] The photovoltaic module includes a float and a photovoltaic panel disposed within the float. Adjacent floats are connected by lugs disposed on the floats. A first sway member is disposed below the float. A second sway member is disposed below the integrated connector.

[0007] As a preferred embodiment of the above scheme, the first heave component includes a connecting plate and a vertical rod coaxially arranged below the float from top to bottom. A steel plate is fixedly fitted on the lower part of the vertical rod, and a horizontal circular plate is fitted on the middle part of the vertical rod through a first flange bearing. A first spring is fitted between the horizontal circular plate and the steel plate, thereby realizing the elastic support and fixation of the horizontal circular plate on the steel plate. Several holes are provided on the horizontal circular plate.

[0008] More preferably, the integrated connector includes a main body and a bracket fixedly mounted above the main body, the second swaying member includes a reinforcing rod disposed below the main body and a horizontal plate coaxially mounted on the middle of the reinforcing rod via a second flange bearing, a fixing plate is fixedly mounted on the lower part of the reinforcing rod, and a second spring is mounted between the horizontal plate and the fixing plate, thereby realizing the elastic support and fixation of the horizontal plate on the fixing plate, and the main body has multiple transverse guide holes.

[0009] More preferably, the number of annular frame floats is three, including a first, second, and third annular frame floats. The first and second annular frame floats are arranged at intervals inside and outside the body, and the third annular frame float is located above the first annular frame float. A tube sleeve is provided on the main body for the first and second annular frame floats to pass through, and a tube sleeve is provided on the support for the third annular frame float to pass through. The main body is also provided with a connecting ear plate for connecting with the ear plate on the outermost float.

[0010] Further preferably, the float is provided with mounting holes for mounting connecting plates at its lower part. The four sides of the connecting plate are respectively connected to the ear plates at the four corners of the float by flexible ropes. Adjacent floats are connected by flexible ropes on the ear plates at the splicing positions. The ear plates on the outermost float are connected to the connecting ear plates on the main body at the nearest position by flexible ropes.

[0011] More preferably, the float is divided into four identical mounting slots for mounting photovoltaic panels by a horizontal mounting partition and a vertical mounting partition.

[0012] More preferably, the annular frame float is composed of multiple straight tubes and arc-shaped tubes, with the corners of the straight tubes connected to the arc-shaped tubes by hot-melt welding.

[0013] The beneficial effects of this utility model are as follows: The centrally laid-out photovoltaic module design reduces the impact of wind load and improves overall stability; the heave plate structure at the bottom can effectively suppress heave motion caused by waves and reduce the system response amplitude; the outer ring frame float forms a modular arrangement, which is convenient for transportation and installation, and has good adaptability and flexibility; the four corners of the float are set as arc segments to reduce the risk of stress concentration; it helps to improve the system's impact resistance and operational safety, and is suitable for photovoltaic application scenarios in complex wind and wave environments at sea or inland lakes. It has a reasonable structure and excellent wind and wave resistance performance. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the photovoltaic module in this utility model.

[0016] Figure 3 This is a schematic diagram of the lower structure of the float in this utility model.

[0017] Figure 4 This is a schematic diagram of the structure of the first helical component in this utility model.

[0018] Figure 5 This is a schematic diagram of the integrated connector in this utility model. Figure 1 .

[0019] Figure 6 This is a schematic diagram of the integrated connector in this utility model. Figure 2 .

[0020] Figure 7 This is a top view of the present invention. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] like Figures 1-7 As shown, a novel wind and wave resistant photovoltaic floating device includes a floating photovoltaic module and a floating component. The floating photovoltaic module consists of multiple photovoltaic modules 1 laid out and connected in a longitudinal and transverse manner. The floating component consists of multiple annular frame floats 2 arranged around the floating photovoltaic module to provide buoyancy support. The floating component and the floating photovoltaic module are connected as a whole by several integrated connectors 3 arranged at intervals along the circumference.

[0023] The photovoltaic module 1 includes a float 101 and a photovoltaic panel 102 disposed within the float 101. The float 101 is rectangular in shape. The float 101 is divided into four identical mounting slots for mounting the photovoltaic panel 102 by horizontal and vertical mounting partitions. Adjacent floats 101 are connected by ear plates 103 disposed on the float 101. Ear plates 103 are provided at the four corners of the float 101, and each ear plate 103 has a first connection hole. Adjacent floats 101 are connected to the ear plates 103 of the diagonally opposite floats 101 by flexible ropes 110. The floats 101 are laid in a longitudinal and transverse sequence and connected to the diagonally opposite floats 101 to reduce the impact on a single point and improve the overall stability. The multi-float 101 structure can effectively reduce the sway amplitude under severe sea conditions.

[0024] A first heave component is provided below the float 101; the first heave component includes a connecting plate 109 and a vertical rod 104 coaxially arranged below the float 101 from top to bottom. A steel plate 108 is fixedly fitted on the lower part of the vertical rod 104, and a horizontal circular plate 105 is fitted on the middle part of the vertical rod 104 through a first flange bearing 106. A first spring 107 is fitted between the horizontal circular plate 105 and the steel plate 108, thereby realizing the elastic support and fixation of the horizontal circular plate 105 on the steel plate 108. Several holes are provided on the horizontal circular plate 105.

[0025] The bottom of the float 101 is provided with mounting holes 111 for mounting the connecting plate 109. The four sides of the connecting plate 109 are respectively connected to the ear plates 103 at the four corners of the float 101 by flexible ropes 110. Adjacent floats 101 are connected by flexible ropes 110 on the ear plates 103 at the splicing position. The ear plates 103 on the outermost float 101 are connected to the connecting ear plates 302 on the main body 31 at the nearest position by flexible ropes 110.

[0026] The connecting plate 109 is provided with a second connecting hole that is connected to the connecting plate 109 by a flexible rope 110. The second connecting hole is located on the outer sidewall of the connecting plate 109 to prevent rotation or excessive horizontal displacement. The second connecting hole is chamfered or rounded to prevent wear on the rope.

[0027] The flexible rope 110 is made of synthetic fiber rope that is resistant to seawater corrosion, has high strength, wear resistance, and UV resistance. During installation, the rope can be pre-tensioned appropriately to ensure sufficient connection strength under normal wind and wave conditions, but allows for a certain degree of elastic deformation or limited relative displacement to buffer energy when encountering large wave impacts. It has a simple structure, is easy to install, has good flexibility, can effectively absorb impact loads, and has a relatively low cost.

[0028] As the photovoltaic module 1 is pressed downward by its own gravity, the mounting hole 111 is pushed downward, and the connecting plate 109 below floats upward under the action of the first swaying member. The two are naturally and tightly fitted in the vertical direction, thereby ensuring a stable connection between the float 101 and the connecting plate 109 in the vertical direction.

[0029] The working principle of the first helical component: The horizontal circular plate 105 is elastically supported and fixed to the lower steel plate 108 by the first spring 107. When waves impact the horizontal circular plate 105, the horizontal circular plate 105 will swing up and down like a seesaw; the function of the spring is to make the movement of the horizontal circular plate 105 more flexible, while buffering the impact force of the waves to avoid structural damage; the horizontal circular plate 105 is provided with several holes, and by adjusting the number, size and distribution of the holes, the stability can be flexibly optimized, the hydrodynamic damping can be enhanced and the added mass can be increased.

[0030] When the wave impacts the horizontal circular plate 105 and moves up and down, the horizontal circular plate 105 can also rotate around the vertical rod 104 through the first flange bearing 106, reducing the impact of the wave perpendicular to the vertical rod 104 on the heave member; the first heave member, by "expanding the interaction surface between the structure and the water", makes the structure "push more water and drive more waves" when it moves, resulting in the structure itself being difficult to float or moving very slowly; it can significantly reduce platform sway, suppress response, and improve stability; compared with the existing fixed breakwaters that simply block waves, the first heave member, through "dynamic braking", uses motion to convert wave energy into water flow turbulence and heat energy, which is more efficient.

[0031] The integrated connector 3 includes a main body 31 and a bracket 32 ​​fixedly mounted above the main body 31. A second swaying member is provided below the integrated connector 3. The second swaying member includes a reinforcing rod 303 located below the main body 31 and a horizontal plate 305 coaxially mounted in the middle of the reinforcing rod 303 via a second flange bearing 304. A fixing plate is fixedly mounted on the lower part of the reinforcing rod 303. A second spring 306 is mounted between the horizontal plate 305 and the fixing plate, thereby achieving elastic support and fixation of the horizontal plate 305 on the fixing plate. Multiple transverse guide holes 33 are opened on the main body 31.

[0032] The main body 31 is provided with connecting ear plates 302 at both ends near the float 101 for connecting with the ear plates 103 on the outermost float 101. The connecting ear plates 302 are provided with a third connecting hole for connecting with the ear plates 103 via flexible ropes 110. The two connecting ear plates 302 are respectively connected to the adjacent ear plates 103 on the same side via flexible ropes 110. When the ear plates 103 on the float 101 are at the corner of the annular frame float 2, the same ear plate 103 is connected to the connecting ear plates 302 on the two integrated connectors 3 on the arc segment.

[0033] The main body 31 is provided with two sleeves, and the bracket 32 ​​is provided with one sleeve, which are used to connect three annular frame floats 2 respectively to form a stable triangular structure. The annular frame floats 2 are connected to the main body 31 and the bracket 32 ​​by sleeves 301 that match the annular frame floats 2 to form a whole. The bracket 32 ​​is located directly above one of the sleeves 301 and can be fixed by a support rod. Compared with the two support rods arranged in a figure-eight shape, it saves costs.

[0034] Multiple transverse guide holes 33 are provided on the main body 31, and the transverse guide holes 33 adopt a circular hole structure of different sizes. In this embodiment, there are five transverse guide holes 33. The transverse guide holes 33 reduce water flow interference and improve the stability of the platform. The upper end of the reinforcing rod 303 passes through the main body 31 and is fixed to the main body 31 by bolts to ensure the stable connection between the second swaying member and the main body 31. The working principle of the second swaying member is similar to that of the first swaying member, except that there are no holes on the horizontal plate 305. The added mass is mainly concentrated in the swaying and pitching directions, making the structure more reliable and the cost requirements lower.

[0035] There are three annular frame floats 2, including a first, a second, and a third annular frame float 2. The first and second annular frame floats 2 are spaced apart, and the third annular frame float 2 is located above the first annular frame float 2. A sleeve 301 is provided on the main body 31 for the first and second annular frame floats 2 to pass through, and a sleeve 301 is provided on the bracket 32 ​​for the third annular frame float 2 to pass through.

[0036] The annular frame float 2 is composed of multiple straight pipes and arc-shaped pipes. The corners of the straight pipes are connected to the arc-shaped pipes by hot-melt welding. The annular frame float 2 is made of high-density polyethylene material, which has excellent corrosion resistance and buoyancy performance. It is used to provide overall buoyancy support. It is connected to the photovoltaic module 1 through an integrated connector 3. The whole structure is rectangular frame structure. The four corners adopt an arc-shaped corner sleeve connection method. That is, an arc-shaped pipe sleeve 301 connector is set at each corner to smoothly connect the two adjacent straight float frame pipes 101, avoiding stress concentration problems caused by right angle transition.

[0037] The design employs a centrally laid-out photovoltaic module layout, reducing the impact of wind loads and enhancing overall stability. A heave plate structure below effectively suppresses wave-induced heave motion, reducing the system's response amplitude. An outer ring-shaped float 2 forms a modular arrangement, facilitating transportation and installation while providing excellent adaptability and flexibility. The four corners of float 101 are designed with curved sections to reduce the risk of stress concentration. This design contributes to improved system impact resistance and operational safety, making it suitable for photovoltaic applications in complex wind and wave environments, such as offshore or inland lake areas. It features a rational structure and excellent wind and wave resistance.

[0038] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A novel wind and wave resistant photovoltaic floating device, characterized in that: It includes floating photovoltaic modules and floating components. The floating photovoltaic modules are composed of multiple photovoltaic modules (1) that are laid out and connected in a longitudinal and transverse manner. The floating components are composed of multiple annular frame floats (2) that are set on the outer periphery of the floating photovoltaic modules to provide buoyancy support. The floating components and the floating photovoltaic modules are connected to form a whole by several integrated connectors (3) arranged at intervals along the circumference. The photovoltaic module (1) includes a float (101) and a photovoltaic panel (102) disposed in the float (101). Adjacent floats (101) are connected by ear plates (103) disposed on the float (101). A first sway member is disposed below the float (101). A second sway member is disposed below the integrated connector (3).

2. The novel wind and wave resistant photovoltaic floating body device according to claim 1, characterized in that: The first swaying component includes a connecting plate (109) and a vertical rod (104) coaxially arranged below the float (101) from top to bottom. A steel plate (108) is fixedly fitted on the lower part of the vertical rod (104). A horizontal circular plate (105) is fitted on the middle part of the vertical rod (104) through a first flange bearing (106). A first spring (107) is fitted between the horizontal circular plate (105) and the steel plate (108), thereby realizing the elastic support and fixation of the horizontal circular plate (105) on the steel plate (108). Several holes are provided on the horizontal circular plate (105).

3. The novel wind and wave resistant photovoltaic floating body device according to claim 1, characterized in that: The integrated connector (3) includes a main body (31) and a bracket (32) fixedly installed above the main body (31). The second swaying member includes a reinforcing rod (303) installed below the main body (31) and a horizontal plate (305) coaxially mounted in the middle of the reinforcing rod (303) via a second flange bearing (304). A fixing plate is fixedly mounted on the lower part of the reinforcing rod (303). A second spring (306) is installed between the horizontal plate (305) and the fixing plate, thereby realizing the elastic support and fixation of the horizontal plate (305) on the fixing plate. Multiple transverse guide holes (33) are opened on the main body (31).

4. The novel wind and wave resistant photovoltaic floating device according to claim 3, characterized in that: The number of the annular frame floats (2) is three, including the first, second and third annular frame floats (2). The first and second annular frame floats (2) are arranged at intervals. The third annular frame float (2) is located above the first annular frame float (2). The main body (31) is provided with a sleeve (301) for the first and second annular frame floats (2) to pass through. The bracket (32) is provided with a sleeve (301) for the third annular frame float (2) to pass through. The main body (31) is also provided with a connecting ear plate (302) for connecting with the ear plate (103) on the outermost float (101).

5. A novel wind and wave resistant photovoltaic floating body device according to claim 2, characterized in that: The float (101) has mounting holes (111) for mounting connecting plates (109) at its bottom. The connecting plates (109) are connected to the ear plates (103) at the four corners of the float (101) by flexible ropes (110). Adjacent floats (101) are connected by flexible ropes (110) on the ear plates (103) at the splicing positions. The ear plates (103) on the outermost float (101) are connected to the connecting ear plates (302) on the nearest main body (31) by flexible ropes (110).

6. The novel wind and wave resistant photovoltaic floating body device according to claim 1, characterized in that: The float (101) is divided into four identical mounting slots for mounting photovoltaic panels (102) by horizontal and vertical mounting partitions.

7. A novel wind and wave resistant photovoltaic floating body device according to claim 4, characterized in that: The annular frame float (2) is composed of multiple straight pipes and arc-shaped pipes, and the corners of the straight pipes are connected to the arc-shaped pipes by hot-melt welding.

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