Offshore photovoltaic system

Abstract

The utility model discloses an offshore photovoltaic system, which is characterized by comprising a plurality of steel pipe piles, a steel pipe truss, a steel cable group and a plurality of solar panels, the lower ends of the multiple steel pipe piles are fixed on the sea at intervals, the bottom of the steel pipe truss is fixedly installed at the top ends of the steel pipe piles, the steel cable set is installed on the top face of the steel pipe truss, and the bottom faces of the multiple solar panels are fixedly installed on the steel cable set through the connecting assemblies. According to the utility model, on the basis of the steel pipe piles, an offshore photovoltaic system project combining the steel pipe trusses and the steel cable group structure is generated at the right time, and the firmness and stability of the steel pipe piles, the powerful supporting effect of the steel pipe trusses and the excellent connection performance of the cable structure are exerted; the whole multi-span truss fixing type pipe truss-cable structure offshore photovoltaic system is firmer and more stable, and meets the requirements of large pipe pile distance, large span and large bearing capacity.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation field, in particular to a kind of offshore photovoltaic system. BACKGROUND

[0002] With the continuous growth of global energy demand and the increasing environmental protection consciousness, the development and utilization of renewable energy has become the focus of governments and enterprises. As a new type of utilization of photovoltaic power generation, offshore photovoltaic has the characteristics of not occupying land scarce land resources, easy to combine with offshore wind power, marine ranching and other industries, so it has been widely concerned and valued. The traditional offshore photovoltaic system uses floating body, support and other components to realize the installation of photovoltaic system, but it requires high bearing capacity for large-span matrix photovoltaic system. At present, steel pipe piles are used with steel pipe trusses to realize installation in the industry, but the steel pipe truss as a solar panel support component has a heavy self-weight. In order to provide sufficient support force, large-diameter steel pipe piles or dense distribution of steel pipe piles are needed, and in similar structures, solar panels need to be installed on the erected purlin. The use of purlin requires additional use of bracing, diagonal bracing, strut and other auxiliary support components, which makes the structure more complex, increases the manufacturing cost, and further puts forward the bearing requirement of steel pipe piles. SUMMARY

[0003] The utility model aims at providing an offshore photovoltaic system with light weight and good compression and bending resistance.

[0004] To achieve the above purpose, the technical solution of the utility model is as follows:

[0005] The utility model relates to an offshore photovoltaic system, which comprises a plurality of steel pipe piles, a steel pipe truss, a steel cable set, a plurality of solar panels and a connecting assembly. The lower ends of the steel pipe piles are fixed at intervals on the sea, the bottom of the steel pipe truss is fixedly installed at the top of the steel pipe piles, the steel cable set is installed on the top surface of the steel pipe truss, and the bottom surface of the solar panels is fixedly installed on the steel cable set through the connecting assembly.

[0006] The steel cable set is composed of a plurality of steel cables, which are fixedly installed at intervals on the top surface of the steel pipe truss and parallel to each other.

[0007] The steel pipe pile is composed of three cylindrical segments. The upper segment is a small cylinder, the middle segment is a tapered cylinder as a transition, and the lower segment is a large cylinder. The small cylinder, the tapered cylinder and the large cylinder are fixed together in sequence.

[0008] The steel pipe truss comprises a frame and a plurality of support units; top surfaces of the plurality of support units are equidistantly and fixedly arranged on a bottom surface of the frame; the support unit comprises a plurality of inclined pull rods and a base; upper ends of the plurality of inclined pull rods are fixedly arranged on the bottom surface of the frame in an inclined manner, and lower ends of the plurality of inclined pull rods are fixedly arranged on the base in an inclined manner, so as to form a conical body diverging upwards with the base as a center support point.

[0009] The connecting assembly comprises a plurality of middle pressing blocks, a plurality of side pressing blocks and a plurality of cable supports; the middle pressing block is fixed between two adjacent solar panels and connected with a cable of a cable group at a lower part, the side pressing block is fixed at a side edge of the solar panel and connected with the cable of the cable group at the lower part, and the cable support is fixed on the frame of the steel pipe truss and the cable of the cable group.

[0010] The middle pressing block comprises a middle bottom plate, a U-shaped pressing plate, a middle cable pressing plate, a middle connecting bolt assembly and a middle top pressing bolt assembly; the upper end of the middle connecting bolt assembly is hung in the middle part of the U-shaped pressing plate, the lower end of the middle connecting bolt assembly is connected with the middle cable pressing plate after penetrating through the middle bottom plate, and the middle top pressing bolt assembly is movably arranged in the short groove of the middle bottom plate.

[0011] The side pressing block comprises a side bottom plate, an L-shaped pressing plate, a side cable pressing plate, a side connecting bolt assembly and a side top pressing bolt assembly; the upper end of the side connecting bolt assembly is hung in the middle part of the L-shaped pressing plate, the lower end of the side connecting bolt assembly is connected with the side cable pressing plate after penetrating through the side bottom plate, and the side top pressing bolt assembly is movably arranged in the short groove of the side bottom plate.

[0012] The cable support comprises a right-angle plate, a large U-shaped rod and a small U-shaped rod; the free end of the large U-shaped rod is fixed on one right-angle edge of the right-angle plate, and the small U-shaped rod is fixed on the other right-angle edge of the right-angle plate.

[0013] The utility model further includes an anchor head; the anchor head is fixedly sleeved on both ends of the cable of the cable group; the anchor head comprises a body and a fixing column; the body is a U-shaped block, the fixing column is fixed on the side wall of the body, and a through hole for the cable to pass through is formed in the fixing column.

[0014] In view of the problems existing in the prior art, the offshore photovoltaic system project based on the steel pipe pile, combined with the steel pipe truss and the cable group structure emerges as the times require, the whole multi-span truss fixed pipe truss-cable structure offshore photovoltaic system is more firm and stable by virtue of the firm stability of the steel pipe pile, the strong supporting effect of the steel pipe truss and the excellent connecting performance of the cable structure, the requirements of large pipe pile spacing, large span and large bearing capacity are met, and the offshore wind and wave changeable environment conditions are perfectly adapted. Since the offshore environment is complex, the high humidity, high salt fog and other environmental factors have posed a severe challenge to the structural durability of the photovoltaic system, the steel pipe pile, the steel pipe truss and the cable structure have excellent corrosion resistance and fatigue resistance, and can maintain long-term stable operation in the harsh marine environment.

[0015] After the above scheme, the utility model has the following advantages:

[0016] ① Steel pipe pile: the steel pipe pile adopts three-section design, ensures that the pile body can keep stability under different geological conditions, reduces the steel pipe pile manufacturing cost under the premise of meeting the structural safety, has higher strength and rigidity, and can bear the adverse environment such as sea wind and wave.

[0017] ② Steel pipe truss: as the main structure of the photovoltaic system, responsible for supporting the entire photovoltaic module array, the support unit for supporting the frame includes a plurality of inclined rods and a base, the lower ends of the plurality of inclined rods are fixed on the base in a downward direction, forming a conical body diverging upward with the base as the center pivot, which can uniformly disperse the weight, the cross-sectional material is uniformly distributed around the central axis, and the conical body has good compression and bending resistance.

[0018] ③ Steel cable group: the steel cable group fixes the entire row of solar panels through the connecting assembly, forms a whole photovoltaic array, and is mainly used for enhancing the overall stability and wind resistance of the system, and through reasonable cable pre-tension, the influence of wind load on the system can be effectively reduced, and the safety of the system is improved.

[0019] The utility model will be further described below in combination with the drawings and specific embodiments. DRAWINGS

[0020] Figure 1 is the axonometric view of the utility model;

[0021] Figure 2 is the front view of the utility model;

[0022] Figure 3 is the installation schematic view of the solar panel of the utility model;

[0023] Figure 4 is the axonometric view of the steel pipe truss of the utility model;

[0024] Figure 5 is the axonometric view of the steel cable group of the utility model;

[0025] Figure 6 is the axonometric view of the steel pipe pile of the utility model;

[0026] Figure 7 is the top view axonometric view of the middle pressing block in the utility model;

[0027] Figure 8 is the bottom view axonometric view of the middle pressing block in the utility model;

[0028] Figure 9 is the front view of the middle pressing block in the utility model;

[0029] Figure 10Is the side pressure piece of the utility model top view axonometric drawing;

[0030] Figure 11 Is the side pressure piece of the utility model bottom view axonometric drawing;

[0031] Figure 12 Is the side pressure piece of the utility model front view;

[0032] Figure 13 Is the utility model cable support axonometric drawing;

[0033] Figure 14 Is the utility model cable support front view;

[0034] Figure 15 Is the utility model anchor head axonometric drawing;

[0035] Figure 16 Is the utility model anchor head front view;

[0036] Figure 17 Is the utility model connecting assembly assembly schematic view. Specific implementation

[0037] As Figures 1-3 shown, the utility model is a kind of offshore photovoltaic system, including multiple steel pipe piles 1, steel pipe truss 2, cable group 3, multiple solar panels 4, connecting assembly 5, anchor head 6.

[0038] The lower end of the multiple steel pipe piles 1 is fixed at sea at intervals, the bottom of the steel pipe truss 2 is fixedly installed at the top end of the steel pipe pile 1, the cable group 3 is installed on the top surface of the steel pipe truss 2, and the bottom surface of the multiple solar panels 4 is fixedly installed on the cable group 3 by the connecting assembly 5.

[0039] As Figure 5 shown, the cable group 3 is formed by multiple cables 31;Multiple cables 31 are fixedly installed on the top surface of the steel pipe truss 2 at intervals and are parallel to each other.

[0040] As Figure 6 shown, the steel pipe pile 1 is formed by three sections of cylinder;Upper section cylinder is small cylinder 11, middle section is transition cone cylinder 12, lower section is large cylinder 13, small cylinder 11, cone cylinder 12, large cylinder 13 are fixed together in sequence.

[0041] As Figure 4As shown, the steel pipe truss 2 comprises a frame 21 and a plurality of support units 22; the top surfaces of the plurality of support units 22 are equidistantly and fixedly arranged on the bottom surface of the frame 21; the support unit 22 comprises a plurality of inclined pull rods 221 and a base 222; the upper ends of the plurality of inclined pull rods 221 are fixedly arranged on the bottom surface of the frame 21 in an inclined upward manner, and the lower ends of the plurality of inclined pull rods 221 are fixedly arranged on the base 222 in an inclined downward manner, forming a conical body diverging upward with the base 222 as the center.

[0042] As shown in the drawings, Figure 17 As shown, the anchor head 6 is fixedly sleeved on the two ends of the steel cable 31 in the steel cable group 3.

[0043] As shown in the drawings, Figure 17 As shown, the connecting assembly 5 comprises a plurality of middle pressing blocks 51, a plurality of side pressing blocks 52 and a plurality of cable holders 53; the middle pressing block 51 is fixed between two adjacent solar panels 4 and connected with the steel cable 31 of the steel cable group 3 at the lower part, the side pressing block 52 is fixed on the side edge of the solar panel 4 and connected with the steel cable 31 of the steel cable group 3 at the lower part, and the cable holder 53 is fixed on the frame 21 of the steel pipe truss 2 and the steel cable 31 of the steel cable group 3.

[0044] As shown in the drawings, Figures 7-9 As shown, the middle pressing block 51 comprises a middle bottom plate 511, a U-shaped pressing plate 512, a middle cable clamping plate 513, a middle connecting bolt assembly 514 and a middle top pressing bolt assembly 515; the upper end of the middle connecting bolt assembly 514 is hung in the middle part of the U-shaped pressing plate 512, the lower end of the middle connecting bolt assembly 514 is connected with the middle cable clamping plate 513 after passing through the middle bottom plate 511, the middle cable clamping plate 513 is clamped on the steel cable 31, and the middle top pressing bolt assembly 515 is movably arranged in the short groove 5111 of the middle bottom plate 511; the middle top pressing bolt assembly 515 is used to be fixedly connected with the hole position at the bottom of the frame of the solar panel 4, so as to achieve the effect of double fixation.

[0045] As shown in the drawings, Figures 10-12 As shown, the side pressing block 52 comprises a side bottom plate 521, an L-shaped pressing plate 522, a side cable clamping plate 523, a side connecting bolt assembly 524 and a side top pressing bolt assembly 525; the upper end of the side connecting bolt assembly 524 is hung in the middle side part of the L-shaped pressing plate 522, the lower end of the side connecting bolt assembly 524 is connected with the side cable clamping plate 523 after passing through the side bottom plate 521, the side cable clamping plate 523 is clamped on the steel cable 31, and the side top pressing bolt assembly 525 is movably arranged in the short groove 5211 of the side bottom plate 521; the side top pressing bolt assembly 525 is also used to be connected with the hole position at the bottom of the frame of the solar panel 4, so as to achieve the effect of double fixation.

[0046] As shown in the drawings, Figure 13 , Figure 14As shown, the cable 53 includes a right angle plate 531, a large U-shaped rod 532, and a small U-shaped rod 533; the free end of the large U-shaped rod 532 is fixed on one right angle side of the right angle plate 531, and the small U-shaped rod 533 is fixed on the other right angle side of the right angle plate 531.

[0047] As shown in Figure 15 , Figure 16 As shown, the anchor head 6 includes a body and a fixed column; the body is a U-shaped block, the fixed column 61 is fixed on the side wall of the body, and the fixed column 61 is provided with a through hole for the steel cable 31 to pass through.

[0048] As shown in Figure 1 The working principle of the utility model is as follows:

[0049] ① Steel pipe pile 1: the steel pipe pile is designed in three sections, so that the pile body can maintain stability under different geological conditions, the manufacturing cost of the steel pipe pile is reduced under the premise of meeting the structural safety, the steel pipe pile has high strength and rigidity, and can withstand harsh environments such as wind and waves on the sea.

[0050] ② Steel pipe truss 2: the lower ends of the plurality of inclined pull rods 221 in the support unit 22 are fixed on the base 222 in an inclined downward direction, forming a conical body diverging upward with the base 222 as a center fulcrum, which can uniformly disperse the weight, the cross-sectional material is uniformly distributed around the central axis, and the steel pipe truss has good compression resistance and bending load capacity.

[0051] ③ Steel cable group 3: the steel cable group 3 fixes the whole row of solar panels 4 through the connecting assembly, forms a whole photovoltaic array, and is mainly used for enhancing the overall stability and wind resistance of the system, through reasonable cable pre-tension, the influence of wind load on the system can be effectively reduced, and the safety of the system is improved.

[0052] The above only describes the preferred embodiments of the utility model, and therefore cannot limit the range of the utility model, that is, equivalent changes and modifications made according to the patent range and content of the specification of the utility model should still belong to the range covered by the utility model patent.

Claims

1. An offshore photovoltaic system, characterized by: The utility model provides a kind of solar energy power generation system, including multiple steel pipe piles, steel pipe truss, cable group, multiple solar panels, connecting assembly;The lower end of the multiple steel pipe piles is fixed at sea, and the bottom of steel pipe truss is fixedly installed at the top of steel pipe pile, and cable group is installed on the top surface of steel pipe truss, and the bottom surface of multiple solar panels is fixedly installed on cable group by connecting assembly.

2. The offshore photovoltaic system of claim 1, wherein: The cable group is composed of multiple cables;The multiple cables are fixedly installed on the top surface of steel pipe truss and parallel to each other.

3. The offshore photovoltaic system of claim 1, wherein: The steel pipe pile is composed of three sections of cylinders;The upper section of cylinder is a small cylinder, the middle section is a tapered cylinder as a transition, and the lower section is a large cylinder, and the small cylinder, the tapered cylinder and the large cylinder are fixed together in sequence.

4. The offshore photovoltaic system of claim 1, wherein: The steel pipe truss includes a frame and multiple support units;The top surfaces of the multiple support units are equidistantly and fixedly arranged on the bottom surface of the frame;The support unit includes multiple inclined rods and a base;The upper ends of the multiple inclined rods are fixedly arranged on the bottom surface of the frame in an inclined manner, and the lower ends of the multiple inclined rods are fixedly arranged on the base in an inclined manner, forming a conical body diverging upward with the base as a center pivot.

5. The offshore photovoltaic system of claim 1, wherein: The connecting assembly includes multiple middle pressure blocks, multiple side pressure blocks and multiple cable holders;The middle pressure blocks are fixed between two adjacent solar panels and connected with the cables of the cable group at the lower part, the side pressure blocks are fixed on the side edges of the solar panels and connected with the cables of the cable group at the lower part, and the cable holders are fixed on the frame of the steel pipe truss and the cables of the cable group.

6. The offshore photovoltaic system of claim 5, wherein: The middle pressure block includes a middle bottom plate, a U-shaped pressing plate, a middle cable clamping plate, a middle connecting bolt assembly and a middle top pressing bolt assembly;The upper end of the middle connecting bolt assembly is hung in the middle part of the U-shaped pressing plate, the lower end of the middle connecting bolt assembly is connected with the middle cable clamping plate after passing through the middle bottom plate, and the middle top pressing bolt assembly is movably arranged in the short groove of the middle bottom plate.

7. The offshore photovoltaic system of claim 5, wherein: The side pressure block includes a side bottom plate, an L-shaped pressing plate, a side cable clamping plate, a side connecting bolt assembly and a side top pressing bolt assembly;The upper end of the side connecting bolt assembly is hung in the middle part of the L-shaped pressing plate, the lower end of the side connecting bolt assembly is connected with the side cable clamping plate after passing through the side bottom plate, and the side top pressing bolt assembly is movably arranged in the short groove of the side bottom plate.

8. The offshore photovoltaic system of claim 5, wherein: The cable holder includes a right-angle plate, a large U-shaped rod and a small U-shaped rod;The free end of the large U-shaped rod is fixed on one right-angle edge of the right-angle plate, and the small U-shaped rod is fixed on the other right-angle edge of the right-angle plate.

9. The offshore photovoltaic system of claim 5, wherein: The utility model also includes an anchor head;The anchor head is fixedly sleeved on the two ends of the cable in the cable group;The anchor head includes a body and a fixed column;The body is a U-shaped block, the fixed column is fixed on the side wall of the body, and a through hole for the cable to pass through is formed in the fixed column.

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