Flexible photovoltaic wind-resistant system and platform for flexible photovoltaic wind-resistant system
Through the combined structure of the bracket and cable, the problem of flexible photovoltaic panels being easy to vibrate and deform under wind load is solved, and the effect of improving stability and wind resistance and reducing wind disaster risk is achieved.
Patent Information
- Application Number
- CN202411468851.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-02-07
AI Technical Summary
Flexible photovoltaic panels are prone to vibration and deformation under wind loads, increasing the risk of wind disasters.
The combined structure of bracket and cable is adopted. The bracket is fixed to the ground. The cable connects the bracket and is fixed to the ground to enhance the load-bearing capacity of the overall structure and disperse and balance wind loads.
Effectively limit the displacement and deformation of flexible photovoltaic modules under wind load, improve stability and safety, enhance wind resistance, reduce the risk of damage caused by wind disasters, and extend the service life.
Smart Images
Figure CN119401897A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of flexible photovoltaic technology, and in particular to a flexible photovoltaic wind-resistant system and a platform for the flexible photovoltaic wind-resistant system. Background Art
[0002] In today's era of energy transformation, solar energy, as a clean and renewable energy source, has an increasingly wide range of applications. Among them, flexible photovoltaic technology has a wider range of application scenarios due to the advantages of flexible photovoltaic panels such as being able to bend or fold, easy to carry and flexible to install. However, flexible photovoltaic panels face many challenges in practical applications, among which the impact of wind loads is particularly significant. Even though the installation structure of traditional rigid photovoltaic panels is relatively fixed, it is easily affected by large wind loads under the action of wind loads, causing damage or collapse of rigid photovoltaic panels. Because flexible photovoltaic panels are soft and bendable, they are more likely to vibrate and deform under the impact and damage of wind loads, thereby increasing the risk of wind disasters. Summary of the invention
[0003] In view of this, the present invention provides a flexible photovoltaic wind-resistant system to solve the problem that, due to the soft and bendable characteristics of flexible photovoltaic panels, they are more likely to vibrate and deform under the impact and damage of wind loads, thereby increasing the risk of wind disasters.
[0004] In a first aspect, the present invention provides a flexible photovoltaic wind-resistant system, comprising: A plurality of brackets, the bottom ends of which are fixed on the ground, and flexible photovoltaic modules are fixed on the top surfaces of the brackets; Cables connect multiple brackets, and both ends of the cables are fixed on the ground. Beneficial effects: The present application adopts the above technical solution, and the brackets are combined with cables to enhance the bearing capacity of the overall structure, cooperate in wind resistance, provide support for flexible photovoltaic modules, and ensure stability; use cables to enhance the wind resistance of flexible photovoltaic modules; under the action of wind loads, the brackets bear part of the horizontal force, and transfer the force to the ground through cables to disperse and balance the wind load, thereby ensuring stability. The present application effectively limits the displacement and deformation of flexible photovoltaic modules under wind loads, improves the stability and safety of flexible photovoltaic modules, and enhances wind resistance; significantly improves the stability and reliability of flexible photovoltaic modules in strong wind environments, and reduces the risk of damage caused by wind disasters; at the same time, reduces stress concentration and extends service life.
[0005] Optionally, the flexible photovoltaic assembly comprises: Multiple flexible photovoltaic panels are fixedly connected by multiple steel strands through pressure blocks.
[0006] Optionally, the edges of the flexible photovoltaic module are supported by a plurality of columns arranged at intervals.
[0007] Optionally, a first hole is provided on the top surface of the bracket, and the bracket is connected to the steel strand through a first fastener passing through the first hole; a second hole is provided at the lower part of the top surface of the bracket, and the bracket is connected to the cable through a second fastener passing through the second hole.
[0008] Optionally, the number of the first hole and the number of the second hole are both multiple. Beneficial effect: The present application adopts the above technical solution, which is convenient for different installation requirements.
[0009] Optionally, the steel strand is a prestressed galvanized steel strand; the cable is a galvanized steel wire rope; and the bracket is made of angle steel.
[0010] In a second aspect, the present invention provides a platform for a flexible photovoltaic wind-resistant system, which is used to install, maintain and overhaul the flexible photovoltaic wind-resistant system, including: The bottom plate is suitable for workers to step on; A plurality of rods are arranged around the outer circumference of the bottom plate in the vertical direction; A plurality of first hooks are respectively arranged at the top ends of a plurality of rods, and the first hooks are suitable for being temporarily hung on the cables. Beneficial effects: The present application adopts the above-mentioned technical solution, and utilizes the lightness of the flexible photovoltaic components and the flexibility of the platform suitable for hanging for the flexible photovoltaic wind-resistant system, so as to realize the stable, fast, safe and environmentally friendly installation of the flexible photovoltaic components without destroying the original landforms such as mountains; and provides a convenient and efficient working platform for the installers, which can be flexibly moved to ensure the installation accuracy of the bracket. The lightweight characteristics of the flexible photovoltaic components can reduce the burden of transportation, and the platform for the flexible photovoltaic wind-resistant system can effectively overcome terrain obstacles, ensuring that the installation, maintenance and overhaul process are carried out efficiently and safely. The platform for the flexible photovoltaic wind-resistant system described in the present application is not only easy to manufacture, but also low in cost, and has wide adaptability and scalability. It can easily adjust the layout of the bracket and the position of the platform for the flexible photovoltaic wind-resistant system to meet different types of flexible photovoltaic projects.
[0011] Optionally, a fence is provided near the middle of the plurality of rods. Beneficial effects: The present application adopts the above technical solution to ensure the safety of the staff by providing a fence.
[0012] Optionally, an anti-slip sleeve is sleeved on the first hook. Beneficial effects: The application adopts the above technical solution, which can not only prevent the first hook from sliding on the cable, but also prevent the first hook from damaging the cable.
[0013] Optionally, a second hook is provided on the rod, and the second hook is suitable for temporarily hanging the tool bag. Beneficial effect: The present application adopts the above technical solution, and by providing the second hook, it is convenient for workers to hang the tool bag. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 A schematic diagram of the local three-dimensional structure of the flexible photovoltaic wind-resistant system provided in an embodiment of the present invention Figure 1 ; Figure 2 Schematic diagram of the three-dimensional structure of the bracket provided in the embodiment of the present invention Figure 1 ; Figure 3 Schematic diagram of the three-dimensional structure of the bracket provided in the embodiment of the present invention Figure 2 ; Figure 4 A schematic diagram of the local three-dimensional structure of the flexible photovoltaic wind-resistant system provided in an embodiment of the present invention Figure 2 ; Figure 5 A schematic diagram of the local three-dimensional structure of the flexible photovoltaic wind-resistant system provided in an embodiment of the present invention Figure 3 ; Figure 6 It is a schematic diagram of a partial three-dimensional structure in which a platform for a flexible photovoltaic wind-resistant system provided in an embodiment of the present invention is located in the flexible photovoltaic wind-resistant system; Figure 7 It is a schematic diagram of the three-dimensional structure of a platform for a flexible photovoltaic wind-resistant system provided in an embodiment of the present invention.
[0016] Description of reference numerals: 1. Bracket; 2. Steel strand; 3. Flexible photovoltaic panel; 4. Cable; 5. First hole; 6. Second hole; 7. Press block; 8. Column; 9. Bottom plate; 10. Rod; 11. First hook; 12. Fence; 13. Second hook. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.
[0018] Areas with complex terrain and large undulations, such as mountains, have abundant sunlight resources and are ideal places for solar power generation. When flexible photovoltaic panels are used in scenarios with complex terrain and large undulations, the traditional methods of installing, maintaining and repairing flexible photovoltaic panels are difficult to implement in complex environments. For example, the traditional methods of installing, maintaining and repairing flexible photovoltaic panels require a large area of flat land, and mountainous terrain makes it difficult to meet the conditions for flat land. The traditional methods of installing, maintaining and repairing flexible photovoltaic panels are not only inflexible, but also costly and destructive to the ecological environment; in addition, for complex terrain conditions, not only is transportation inconvenient, but the transportation and operation of large-scale installation equipment are often limited by narrow mountain roads and steep slopes, which significantly increases the difficulty of construction and safety hazards. It is also due to the above reasons that the present application proposes a platform for a flexible photovoltaic wind-resistant system to install, maintain and repair the flexible photovoltaic wind-resistant system.
[0019] like Figures 1 to 6 A specific implementation of the flexible photovoltaic wind-resistant system shown includes: a plurality of brackets 1 and cables 4.
[0020] like Figure 1 , Figures 4 to 6 As shown, the bottom ends of multiple brackets 1 are fixed on the ground, and flexible photovoltaic components are fixed on the top surfaces of the brackets 1. The cables 4 connect multiple brackets 1, and both ends of the cables 4 are fixed on the ground or on reliable anchor points. The edges of the flexible photovoltaic components are supported by multiple columns 8 arranged at intervals, and the columns 8 can be steel columns. Specifically, the cables 4 are galvanized steel wire ropes, which can be hot-dip galvanized steel wire ropes, and their diameter can be 10 mm. The flexible photovoltaic components include: multiple flexible photovoltaic panels 3; multiple flexible photovoltaic panels 3 are fixedly connected by multiple steel strands 2 through pressing blocks 7. Specifically, the steel strands 2 are prestressed galvanized steel strands, which can be prestressed hot-dip galvanized steel strands, and their diameter can be 15.2 mm. As shown Figures 1 to 3 As shown, a first hole 5 is provided on the top surface of the bracket 1, and the bracket 1 is connected to the steel strand 2 by passing a first fastener through the first hole 5; a second hole 6 is provided at the lower part of the top surface of the bracket 1, and the bracket 1 is connected to the cable 4 by passing a second fastener through the second hole 6. Furthermore, the number of the first hole 5 and the second hole 6 are both multiple. Specifically, the bracket 1 is made of high-strength angle steel. The first fastener and the second fastener are both U-bolts. The first hole 5 can be a round hole with a diameter of 16 mm, and the second hole 6 can be a round hole with a diameter of 12 mm. The top surface of the bracket 1 is a cross bar, and the vertical bar is vertically connected to the cross bar. An inclined bar is connected between the cross bar and the vertical bar, and the inclined bar can be made of unequal angle steel.
[0021] like Figure 6 and Figure 7A specific embodiment of the platform for the flexible photovoltaic wind-resistant system shown includes: a bottom plate 9, a plurality of rods 10 and a plurality of first hooks 11. The platform for the flexible photovoltaic wind-resistant system can be made of aluminum alloy tubes, magnesium aluminum alloy tubes or galvanized rectangular tubes. Within the scope permitted by the processing capacity and under the condition of meeting the load, the weight of the platform for the flexible photovoltaic wind-resistant system is as small as possible. Welding connection or bolt connection can be used at the connection nodes.
[0022] like Figure 6 As shown, the platform for the flexible photovoltaic wind-resistant system is similar to a hanging basket and is used for installing, maintaining and inspecting the flexible photovoltaic wind-resistant system.
[0023] like Figure 7 As shown, the bottom plate 9 is suitable for workers to step on; a plurality of rods 10 are arranged around the periphery of the bottom plate 9 in the vertical direction; the bottom plate 9 can be rectangular, and the bottom plate 9 can be in the form of a galvanized keel combined with a galvanized thin iron plate, or in the form of a galvanized keel combined with a galvanized metal grille, or a movable scaffolding pedal. The number of rods 10 can be four, which are arranged at the four top corners of the bottom plate 9 respectively. The top ends of adjacent rods 10 can be connected by a horizontal rod. The platform for the flexible photovoltaic wind-resistant system is approximately a cuboid, and the length can be 1.8 meters, the width can be 0.82 meters, and the height can be 1.2 meters. A plurality of first hooks 11 are respectively arranged at the top ends of the plurality of rods 10, and the first hooks 11 are suitable for temporary hanging on the cable 4; a pair of first hooks 11 arranged opposite to each other are respectively hung on two adjacent cables 4.
[0024] Furthermore, an anti-skid sleeve is provided on the first hook 11, and the anti-skid sleeve can be a rubber anti-skid sleeve. A fence 12 is provided near the middle of the multiple rods 10. A second hook 13 is provided on the rod 10, and the second hook 13 is suitable for temporarily hanging a tool kit. An L-shaped reinforcement is provided at the corner of the platform for the flexible photovoltaic wind-resistant system.
[0025] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.
Claims
1. A flexible photovoltaic wind-resistant system, characterized in that: include: A plurality of brackets (1), the bottom ends of which are fixed on the ground, and flexible photovoltaic modules are fixed on the top surfaces of the brackets (1); A cable (4) connects the plurality of brackets (1), and both ends of the cable (4) are fixed on the ground.
2. The flexible photovoltaic wind-resistant system according to claim 1, characterized in that: The flexible photovoltaic module comprises: A plurality of flexible photovoltaic panels (3) are fixedly connected by a plurality of steel strands (2) via a pressing block (7).
3. The flexible photovoltaic wind-resistant system according to claim 2, characterized in that: The edges of the flexible photovoltaic components are supported by a plurality of columns (8) arranged at intervals.
4. The flexible photovoltaic wind-resistant system according to claim 2, characterized in that: A first hole (5) is provided on the top surface of the bracket (1), and the bracket (1) is connected to the steel strand (2) by a first fastener passing through the first hole (5); a second hole (6) is provided at the lower part of the top surface of the bracket (1), and the bracket (1) is connected to the cable (4) by a second fastener passing through the second hole (6).
5. The flexible photovoltaic wind-resistant system according to claim 4, characterized in that: The number of the first holes (5) and the number of the second holes (6) are both multiple.
6. The flexible photovoltaic wind-resistant system according to any one of claims 2 to 5, characterized in that: The steel strand (2) is a prestressed galvanized steel strand; the cable (4) is a galvanized steel wire rope; and the bracket (1) is made of angle steel.
7. A platform for a flexible photovoltaic wind-resistant system, used for installing, maintaining and repairing the flexible photovoltaic wind-resistant system according to any one of claims 1 to 6, characterized in that: include: A bottom plate (9) suitable for workers to step on; A plurality of rods (10) are arranged around the outer circumference of the bottom plate (9) in a vertical direction; A plurality of first hooks (11) are respectively arranged at the top ends of the plurality of rods (10), and the first hooks (11) are suitable for being temporarily hung on the cable (4).
8. The platform for the flexible photovoltaic wind-resistant system according to claim 7, characterized in that: A fence (12) is provided near the middle of the plurality of rods (10).
9. The platform for the flexible photovoltaic wind-resistant system according to claim 7, characterized in that: An anti-slip sleeve is sleeved on the first hook (11).
10. The platform for the flexible photovoltaic wind-resistant system according to claim 7, characterized in that: A second hook (13) is provided on the rod (10), and the second hook (13) is suitable for temporarily hanging a tool kit.