Flexible photovoltaic support based on prestressed cable structure and construction method

Abstract

The invention discloses a flexible photovoltaic support based on a prestressed cable structure and a construction method, and the method comprises the following steps: determining an initial form, determining the span of the support according to the supporting demands of a photovoltaic module, designing and applying a prestress, building a module supporting structure, and installing a module supporting system, including the connection of a bearing cable, a stabilizing cable and a supporting rod. Setting an anchor system, selecting anchor types according to site conditions, including gravity anchors, friction piles or resistance walls, installing photovoltaic panels, connecting the photovoltaic panels with a support structure by using an assembly component, ensuring that the spacing and inclination angle of the photovoltaic panels meet the power generation efficiency requirements, and adjusting the assembly component to ensure the wind resistance and stability of the photovoltaic panels. Therefore, the support can be effectively prevented from being broken or collapsed, and damage to the photovoltaic module and potential safety hazards are reduced. Overall, according to the method, the installation efficiency of the photovoltaic support is improved, the service life of the photovoltaic support is prolonged, the safety and stability of the system are remarkably enhanced, and many problems of a traditional rigid support are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic brackets, and in particular to a flexible photovoltaic bracket based on a prestressed cable structure and a construction method. Background Art

[0002] In the field of photovoltaic power generation, due to the adjustment of global energy structure and the improvement of environmental awareness, photovoltaic power generation has become one of the important forms of renewable energy. With technological progress and large-scale application, the efficiency and cost-effectiveness of photovoltaic modules continue to improve, which has promoted the widespread deployment of photovoltaic devices around the world. However, the installation and maintenance of photovoltaic devices face many challenges, especially in areas with complex terrain or extreme climatic conditions. Traditional photovoltaic support systems are mostly made of rigid materials, such as steel and aluminum, which can provide the necessary structural strength and durability. However, the disadvantages of rigid support systems are also very obvious, including complex installation, poor adaptability, high cost and difficult maintenance. Especially on irregular terrain, rigid supports may require a lot of ground leveling work, which not only increases construction costs, but may also cause damage to the environment. In addition, the disaster resistance of rigid support systems in the face of natural disasters such as high wind speeds and earthquakes is also a problem. Due to the characteristics of its rigid structure, once the external force exceeds the design standard, the system may break or collapse, causing damage to photovoltaic modules and even causing safety accidents. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, the purpose of the present invention is to propose a flexible photovoltaic support and construction method based on a prestressed cable structure, which can enhance the adaptability and disaster resistance of the structure by using high-strength cable materials and prestressed technology, especially in complex terrain and extreme climatic conditions. Secondly, the modular and adjustable design of the flexible support system simplifies the installation and maintenance process, reduces the overall cost and operating risks, and in addition, this system can reduce the impact on the environment and avoid the ground leveling and damage that may be caused by traditional rigid support systems. Finally, the flexible photovoltaic support system provides better wind and earthquake resistance, ensuring the long-term stable operation and efficient power generation of photovoltaic devices.

[0005] To achieve the above object, the present invention proposes a flexible photovoltaic support based on a prestressed cable structure and a construction method, comprising the following steps: S1. Initial shape determination Determine the span of the bracket, the inclination angle of the module and the type of prestressed cable according to the support requirements of the photovoltaic modules; Establish a mathematical model of the initial shape of the cable structure and simulate the shape generation through the finite element method to ensure that the geometric nonlinear characteristics of the cable are consistent with the design requirements; S2. Prestressing design and application Determine the initial prestress value of the load-bearing cable and the stabilizing cable. The prestress shall not exceed 60% of the design value of the cable strength. Use tensioning equipment to gradually apply prestress to ensure that the cable structure reaches the designed state; S3. Component support structure construction Install the component support system, including the connection of load-bearing cables, stabilizing cables, and bracing poles; The load-bearing cables and stabilizing cables are interconnected through struts and their positions are adjusted to optimize the force path; S4. Anchor system setting Select anchor type based on site conditions, including gravity anchors, friction piles, or resistance walls; The anchoring system should meet the maximum force requirements of the cable and verify the anchoring stability through tests; S5. Photovoltaic panel installation Use assembly components to connect the photovoltaic panels to the supporting structure, ensuring that the spacing and inclination angles of the photovoltaic panels meet the power generation efficiency requirements; Adjust assembly components to ensure wind resistance and stability of photovoltaic panels.

[0006] The flexible photovoltaic bracket and construction method based on the prestressed cable structure of the present invention, the photovoltaic panels are connected by a modular assembly component 2, the component supports sliding adjustment of the spacing, can optimize the power generation efficiency according to different lighting conditions, and has greater flexibility. The prestress application process is dynamically monitored by a tension sensor, and the parameters of the tensioning equipment are adjusted in real time to ensure that the cable structure is always kept in the best state. Compared with traditional rigid brackets, this method is easier to install, can reduce a large amount of ground leveling work, and also reduces environmental impact. Due to its flexible design, the bracket can better adapt to different terrains, and in the face of natural disasters such as high wind speeds or earthquakes, it can effectively avoid bracket breakage or collapse, reduce photovoltaic module damage and safety hazards. Overall, this method not only improves the installation efficiency and service life of the photovoltaic bracket, but also significantly enhances the safety and stability of the system, and solves many problems of traditional rigid brackets.

[0007] In addition, the flexible photovoltaic support and construction method based on the prestressed cable structure proposed in the present invention may also have the following additional technical features: Specifically, the load-bearing cables are directly connected to the support system, the span does not exceed 15 meters, and the component inclination does not exceed 25°.

[0008] Specifically, the cable structure is a double-layer cable system, consisting of load-bearing cables and stabilizing cables, which are connected by struts to form a three-dimensional frame. The prestress is adjusted using an iterative optimization method to reduce deflection.

[0009] Specifically, the support system enhances the stability of the system through wind-resistant devices, including the provision of wind-resistant cables and damping systems to reduce the impact of wind loads.

[0010] Specifically, the anchor system includes a combined design of friction piles and gravity anchors, the friction piles anchoring the photovoltaic module base, and the gravity anchors fixing the ends of the load-bearing cables.

[0011] Specifically, the photovoltaic panels are connected through modular assembly components, which can slide to adjust the spacing between the photovoltaic panels to adapt to different lighting conditions. Specifically, the prestressing process includes a dynamic monitoring step, which monitors the prestressing changes in real time through the tension sensor and automatically adjusts the operating parameters of the tensioning equipment. Specifically, the support rods of the support system are retractable and can change their length according to the prestressing adjustment requirements to optimize the overall structural stability. Specifically, the damping system uses a nonlinear damper, which can absorb the vibration energy of the cable structure caused by wind load or earthquake action and improve the seismic performance.

[0012] A flexible photovoltaic bracket based on a prestressed cable structure is applied to a flexible photovoltaic bracket construction method based on a prestressed cable structure as described in any one of claims 1 to 9, wherein the assembly components include a support head, a lower pressure plate, a supporting plate and a limiting sleeve, wherein the lower pressure plate is fixedly connected to the top of the support head, one end of the two supporting plates is symmetrically fixedly connected to the outer wall of the support head, a clamping groove for clamping the photovoltaic panel body is formed between the bottom of the lower pressure plate and the top of the supporting plate on the same side, the limiting sleeve is fixedly connected to the bottom of the support head, and the stabilizing cable passes through the limiting sleeve.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which: Figure 1 The flexible photovoltaic support and construction method based on the prestressed cable structure of the present invention are schematically shown. Figure 1 ; Figure 2 The flexible photovoltaic support and construction method based on the prestressed cable structure of the present invention are schematically shown. Figure 2 ; Figure 3It is a schematic structural diagram of an assembly component according to an embodiment of the present invention.

[0015] As shown in the figure: 1. Photovoltaic panel body; 2. Assembly components; 21. Support head; 22. Lower pressure plate; 23. Support plate; 24. Limit sleeve; 3. Stabilizing cable. DETAILED DESCRIPTION

[0016] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations of the present invention. On the contrary, embodiments of the present invention include all changes, modifications and equivalents that fall within the spirit and connotation of the appended claims.

[0017] The following describes a flexible photovoltaic support and a construction method based on a prestressed cable structure according to an embodiment of the present invention in conjunction with the accompanying drawings.

[0018] like Figure 1-Figure 3 As shown, the construction method of a flexible photovoltaic support based on a prestressed cable structure according to an embodiment of the present invention may include the following steps: S1. Determine the initial shape. According to the support requirements of photovoltaic modules, determine the span of the bracket, the inclination angle of the module and the type of prestressed cable. Establish a mathematical model of the initial shape of the cable structure, and simulate the shape generation through the finite element method to ensure that the geometric nonlinear characteristics of the cable are consistent with the design requirements. It should be noted that the detailed description of the determination of the initial form of S1 described in this embodiment 1. Determine the bracket design parameters. According to the support requirements of the photovoltaic modules, clarify the following key parameters: Span: The span of the bracket depends on the arrangement of the photovoltaic panels and the installation area requirements. It is usually recommended that the span of a single-layer cable system should not exceed 15 meters, and a double-layer cable system can be expanded to more than 20 meters depending on the support poles and anchoring conditions.

[0019] 2. Module inclination angle: The inclination angle needs to be optimized according to the photovoltaic power generation efficiency. Combined with the geographical latitude and solar radiation angle of the project location, the inclination angle is usually controlled within the range of 10° to 25°.

[0020] 3. Prestressed cable type: Select the appropriate cable material type according to the force requirements of the cable structure, such as high-strength steel cable, carbon fiber cable, etc. The strength of the cable must meet the bearing capacity and have good durability.

[0021] S2. Prestress design and application: determine the initial prestress value of the load-bearing cable and the stabilizing cable 3. The prestress shall not exceed 60% of the cable strength design value. Use the tensioning equipment to gradually apply prestress to ensure that the cable structure reaches the design state. It should be noted that S2 described in this embodiment, the detailed description of prestress design and application, in the flexible support system, the initial prestress design of the load-bearing cable and the stabilizing cable 3 directly affects the morphological stability and load resistance of the support. The determination of the prestress value needs to be optimized according to the cable strength and the design load, and is usually limited to 60% of the cable strength design value to ensure the safety margin of the structure and the long-term durability of the material. In the actual process of applying prestress, precision tensioning equipment is used to apply prestress by gradual loading, and real-time monitoring equipment such as tension sensors are used to monitor the stress condition of each cable to avoid excessive tensioning that causes cable damage or morphological deviation. Through multiple iterative tensioning adjustments, it is ensured that the load-bearing cable and the stabilizing cable 3 form a reasonable stress state, so that the cable structure reaches the initial shape required by the design, and provides a reliable foundation for subsequent load state analysis and support system installation.

[0022] S3, assembly support structure construction, assembly support system installation, including the connection of load-bearing cables, stabilizing cables 3 and struts, interconnecting the load-bearing cables and stabilizing cables 3 through struts, and adjusting their positions to optimize the force path, It should be noted that, in the installation process of the component support system described in this embodiment, the load-bearing cable and the stabilizing cable 3 are interconnected by high-strength struts to form a complete support frame structure. The setting of the struts is not only used to fix the positions of the load-bearing cables and the stabilizing cables 3, but also needs to flexibly adjust the angle and length according to design requirements to optimize the force path and reduce structural deflection and stress concentration. The connection point between the struts and the cables should adopt an adjustable node design, which can be precisely positioned by rotating or sliding devices to ensure that the bracket can flexibly respond to on-site errors during installation. At the same time, after the connection is completed, an overall force analysis should be performed to ensure that the load is evenly distributed on the load-bearing cables and the stabilizing cables 3 effectively limit the lateral displacement of the frame, thereby improving the overall stiffness and wind resistance of the system.

[0023] S4. Anchor system setting The anchor type is selected according to the site conditions, including gravity anchors, friction piles or resistance walls. The anchor system should meet the maximum force requirements of the cable and verify the anchor stability through tests. It should be noted that in the process of setting up the anchor system described in this embodiment, the appropriate anchor type, such as gravity anchor, friction pile or resistance wall, is selected according to the soil properties, terrain conditions and load requirements of the project site. The gravity anchor uses its own weight to resist the tension of the cable, and is suitable for sites with hard ground and shallow foundations. The friction pile provides anchoring force through friction with the soil, and is suitable for soft soil or situations requiring greater anchoring force. The resistance wall design is suitable for areas with complex geology or those that need to withstand strong wind loads, and enhances the tension transmission capacity through the combination of the wall and the foundation. Regardless of the type of anchor selected, the design of the anchor system should meet the maximum force requirements of the cable under prestress and load to ensure structural stability. Before actual construction, the anchoring stability needs to be verified through static or dynamic tests to ensure that the anchoring force is consistent with expectations and to avoid instability of the bracket due to soil settlement, foundation damage and other reasons.

[0024] S5. Photovoltaic panel installation Use assembly component 2 to connect the photovoltaic panel to the supporting structure, ensure that the spacing and inclination angle of the photovoltaic panels meet the power generation efficiency requirements, and adjust assembly component 2 to ensure the wind resistance and stability of the photovoltaic panel.

[0025] It should be noted that in the photovoltaic panel installation process described in this embodiment, the photovoltaic panel is first firmly connected to the supporting structure through the assembly component 2 to ensure that the spacing and inclination of each photovoltaic panel meet the requirements of optimized power generation efficiency. Usually, the inclination is adjusted according to the geographical conditions and seasonal changes of the project location to ensure maximum absorption of solar radiation. The assembly component 2 not only plays a fixing role, but also should have an adjustment function so that the angle and arrangement of the photovoltaic panel can be accurately adjusted during the installation process to avoid affecting the system performance due to installation errors. At the same time, in order to ensure the wind resistance and stability of the photovoltaic panel, the assembly component 2 must also take into account the influence of wind load in the design, and enhance the overall stability of the photovoltaic panel by reinforcing the connection points and optimizing the connection method. In areas with strong winds, additional wind-resistant support devices, such as wind pressure regulators or additional support rods, can be installed to ensure that the photovoltaic panel does not move or be damaged in bad weather.

[0026] Specifically, in order to ensure the stability and efficient power generation of photovoltaic modules in harsh environments, the photovoltaic support system first determines the span, inclination angle and prestressed cable type of the support according to the support requirements of the photovoltaic modules through the initial form determination stage, establishes a mathematical model, and simulates through the finite element method to ensure that the geometric nonlinear characteristics of the cable structure meet the design requirements. In the prestress design and application stage, the prestress of the load-bearing cable and the stabilizing cable 3 is reasonably set, and the prestress is gradually applied using tensioning equipment to ensure that the cable structure reaches the designed state and has sufficient bearing capacity. During the construction of the module support structure, the load-bearing cable and the stabilizing cable 3 are interconnected through the support rods. , and make precise position adjustments to optimize the force path, thereby improving the wind resistance and stability of the bracket. During the anchor system setting stage, select appropriate anchor types such as gravity anchors, friction piles or resistance walls according to site conditions, and verify the stability of the anchor system through experiments to ensure that the cables will not become unstable during work. Finally, during the photovoltaic panel installation stage, connect the photovoltaic panels to the supporting structure through assembly component 2 to ensure that the spacing and inclination of the photovoltaic panels meet the power generation efficiency requirements, and accurately adjust the components to ensure their wind resistance and long-term stability. The entire system is precisely designed and installed step by step to ultimately achieve efficient and stable photovoltaic power generation functions.

[0027] In one embodiment of the present invention, Figure 1-Figure 3 As shown, the load-bearing cable is directly connected to the support system, with a span of no more than 15 meters and an inclination angle of the component no more than 25°. The cable structure is a double-layer cable system, consisting of a load-bearing cable and a stabilizing cable 3, which are connected by struts to form a three-dimensional frame. The prestress is adjusted by an iterative optimization method to reduce the deflection. The support system enhances the system stability through a wind-resistant device, including setting up a wind-resistant cable and a damping system to reduce the impact of wind loads. The anchor system includes a combined design of friction piles and gravity anchors. The friction piles anchor the base of the photovoltaic component, and the gravity anchors fix the ends of the load-bearing cables. The photovoltaic panels are connected through modular assembly components 2, and the assembly components 2 can slide to adjust the spacing between photovoltaic panels to adapt to different lighting conditions. The prestress application process includes a dynamic monitoring step, which monitors the prestress changes in real time through tension sensors and automatically adjusts the operating parameters of the tensioning equipment. The struts of the support system are retractable in design and can change their length according to the prestress adjustment requirements to optimize the overall structural stability. The damping system uses a nonlinear damper, which can absorb the vibration energy of the cable structure caused by wind loads or earthquakes and improve seismic performance.

[0028] It should be noted that the photovoltaic support system described in this embodiment adopts a double-layer cable structure, which is composed of a load-bearing cable and a stabilizing cable 3, which are connected by struts to form a three-dimensional frame, and the prestress is adjusted by an iterative optimization method to effectively reduce the structural deflection and ensure the stability and safety of the support. The support system is equipped with a wind-resistant device, including a wind-resistant cable and a damping system, to effectively reduce the impact of wind loads on the structure and enhance its wind resistance. At the same time, the anchor system is designed as a combination of friction piles and gravity anchors. The friction piles are used to anchor the base of the photovoltaic module, while the gravity anchors are used to fix the ends of the load-bearing cables to ensure the stability and bearing capacity of the structure. The photovoltaic panels are assembled in a modular manner. Component 2 is connected, and the component spacing can be adjusted by sliding an adjustable device to adapt to different lighting conditions, thereby optimizing the power generation efficiency. During the prestressing process, a tension sensor is equipped for dynamic monitoring, real-time monitoring of prestress changes, and automatic adjustment of the tensioning equipment operating parameters to ensure that the prestress value always meets the design requirements. The support rods of the support system adopt a retractable design, which can flexibly change the length according to the prestressing adjustment requirements, thereby optimizing the stability of the overall structure. The damping system adopts a nonlinear damper to effectively absorb the vibration energy caused by wind loads or earthquakes, improve the seismic performance of the bracket, and ensure that the photovoltaic system can maintain efficient and safe operation in various extreme environments.

[0029] Specifically, the direct connection design between the load-bearing cable and the support system ensures the simplicity and force balance of the structure. At the same time, the restrictions of no more than 15 meters in span and no more than 25° inclination of the components effectively avoid the risk of structural instability caused by too large span or too steep inclination. The double-layer cable system consists of a load-bearing cable and a stabilizing cable 3, which are connected by struts to form a three-dimensional frame. The prestress is adjusted by iterative optimization method to reduce the structural deflection, thereby improving the overall stiffness and stability of the bracket. The support system is equipped with a wind-resistant device, including a wind-resistant cable and a damping system, which effectively reduces the impact of wind loads and improves the wind resistance of the bracket. In addition, the anchor system adopts a combination of friction piles and gravity anchors to ensure the stability of the bracket under different geological conditions. The friction piles are used to anchor the base part of the photovoltaic module, and the gravity anchors are used to fix the ends of the load-bearing cables to ensure the long-term stability of the structure. The photovoltaic panels are connected through modular assembly components 2, and the assembly components 2 can slide to adjust the spacing of the photovoltaic panels to adapt to different lighting conditions and further optimize the power generation efficiency. During the prestressing process, combined with dynamic monitoring, the prestressing changes are monitored in real time through the tension sensor, and the operating parameters of the tensioning equipment are automatically adjusted to ensure that the structure is always kept in the best stress state. The support rods of the support system adopt a retractable design, and the length can be flexibly adjusted according to the prestressing requirements to optimize the overall structural stability. The damping system effectively absorbs the vibration energy caused by wind loads or earthquakes through nonlinear dampers, improves the seismic performance of the bracket, and ensures that the photovoltaic system can still operate stably under extreme climatic conditions, thereby achieving efficient and safe photovoltaic power generation.

[0030] In one embodiment of the present invention, a flexible photovoltaic bracket based on a prestressed cable structure is applied to a flexible photovoltaic bracket construction method based on a prestressed cable structure according to any one of claims 1 to 9, wherein the assembly component 2 includes a support head 21, a lower pressure plate 22, a support plate 23 and a limiting sleeve 24, wherein the lower pressure plate 22 is fixedly connected to the top of the support head 21, one end of the two support plates 23 is symmetrically fixedly connected to the outer wall of the support head 21, a clamping groove for clamping the photovoltaic panel body 1 is formed between the bottom of the lower pressure plate 22 on the same side and the top of the support plate 23, the limiting sleeve 24 is fixedly connected to the bottom of the support head 21, and the stabilizing cable 3 passes through the limiting sleeve 24.

[0031] It should be noted that the clamping groove formed between the lower pressure plate 22 and the supporting plate 23 described in this embodiment can firmly clamp the photovoltaic panel body 1 to prevent the photovoltaic panel from being displaced or damaged under wind load or other external forces. The limiting sleeve 24 is fixedly connected to the bottom of the support head 21, further enhancing the structural stability of the assembly component 2. By design, the stabilizing cable 3 can pass through the limiting sleeve 24 to effectively fix the end of the supporting structure, ensuring that the entire photovoltaic support system has strong resistance and durability under external loads such as wind and earthquake. This structural design not only optimizes the installation efficiency of the support, but also can adapt to the load requirements in different environments, improving the overall safety and reliability of the system.

[0032] Specifically, the working principle of the flexible photovoltaic bracket assembly structure is based on precise structural design to ensure the stable support and adjustability of the photovoltaic panel. The assembly component 2 is composed of a support head 21, a lower pressure plate 22, a support plate 23 and a limit sleeve 24. The lower pressure plate 22 is fixed to the top of the support head 21, providing sufficient pressing force to fix the photovoltaic panel in the support structure. One end of the support plate 23 is symmetrically fixed to the outer wall of the support head 21 to form a stable support structure to ensure that the photovoltaic panel does not move during use. A clamping groove is formed between the bottom of the lower pressure plate 22 and the top of the support plate 23 to tightly clamp the photovoltaic panel body 1, effectively preventing the photovoltaic panel from loosening due to external forces such as wind. The limit sleeve 24 is fixedly connected to the bottom of the support head 21 to ensure the stability of the support system. At the same time, the stabilizing cable 3 passes through the limit sleeve 24 to further strengthen the photovoltaic bracket system and enhance the wind resistance and earthquake resistance of the overall structure. This structural design optimizes the connection between the photovoltaic panel and the bracket, and improves the overall safety, durability and adjustment flexibility of the system.

[0033] In summary, the flexible photovoltaic support and construction method based on the prestressed cable structure of the embodiment of the present invention, the support system adopts a double-layer cable system structure, which is composed of a load-bearing cable and a stabilizing cable 3, and is connected by a strut to form a three-dimensional frame structure. By optimizing the prestress in the design, the deflection of the structure is reduced, and the stability of the photovoltaic module under various external forces is guaranteed. The stability of the support system is further enhanced by the wind-resistant device and the damping system. The wind-resistant cable and the nonlinear damper effectively reduce the impact of wind loads and earthquakes, and improve the overall disaster resistance. The anchor system is adapted to different terrains through the combined design of friction piles and gravity anchors, ensuring the reliable fixation of the support system, especially in irregular terrain and high wind speed areas. The photovoltaic panels are connected by modular assembly components 2, and the components support sliding adjustment of the spacing, which can optimize the power generation efficiency according to different lighting conditions and have greater flexibility. The prestress application process is dynamically monitored by a tension sensor, and the parameters of the tensioning equipment are adjusted in real time to ensure that the cable structure is always kept in the best state. Compared with the traditional rigid bracket, this method is easier to install, can reduce a large amount of ground leveling work, and also reduces environmental impact. Due to its flexible design, the bracket can better adapt to different terrains, and in the face of natural disasters such as high wind speeds or earthquakes, it can effectively prevent the bracket from breaking or collapsing, reducing damage to photovoltaic modules and safety hazards. Overall, this method not only improves the installation efficiency and service life of photovoltaic brackets, but also significantly enhances the safety and stability of the system, solving many problems of traditional rigid brackets.

[0034] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0036] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and deform the above embodiments within the scope of the present invention.

Claims

1. A flexible photovoltaic support construction method based on a prestressed cable structure, characterized in that: The following steps are involved: S1. Initial form determination: Determine the span of the bracket, the inclination angle of the module and the type of prestressed cable according to the support requirements of the photovoltaic modules; Establish a mathematical model of the initial shape of the cable structure and simulate the shape generation through the finite element method to ensure that the geometric nonlinear characteristics of the cable are consistent with the design requirements; S2. Prestressing design and application: Determine the initial prestress value of the load-bearing cables and stabilizing cables (3), the prestress shall not exceed 60% of the cable strength design value; Use tensioning equipment to gradually apply prestress to ensure that the cable structure reaches the designed state; S3. Component support structure construction: Installing the assembly support system, including the connection of load-bearing cables, stabilizing cables (3) and bracing rods; The load-bearing cable and the stabilizing cable (3) are interconnected through the support rods, and the positions are adjusted to optimize the force path; S4. Anchor system settings: Select anchor type based on site conditions, including gravity anchors, friction piles, or resistance walls; The anchoring system should meet the maximum force requirements of the cable and verify the anchoring stability through tests; S5. Photovoltaic panel installation: Using the assembly component (2) to connect the photovoltaic panels to the supporting structure, ensuring that the spacing and inclination angle of the photovoltaic panels meet the power generation efficiency requirements; Adjust the assembly components (2) to ensure the wind resistance and stability of the photovoltaic panel.

2. The method for constructing a flexible photovoltaic support based on a prestressed cable structure according to claim 1 is characterized in that: The load-bearing cables are directly connected to the support system, with a span not exceeding 15 meters and a component inclination not exceeding 25°.

3. The method for constructing a flexible photovoltaic support based on a prestressed cable structure according to claim 1 is characterized in that: The cable structure is a double-layer cable system, consisting of load-bearing cables and stabilizing cables (3), which are connected by struts to form a three-dimensional frame. The prestress is adjusted using an iterative optimization method to reduce deflection.

4. The construction method of a flexible photovoltaic support based on a prestressed cable structure according to claim 1 is characterized in that: The support system enhances system stability through wind-resistant devices, including the installation of wind-resistant cables and damping systems to reduce the impact of wind loads.

5. The construction method of a flexible photovoltaic support based on a prestressed cable structure according to claim 1 is characterized in that: The anchor system includes a combination of friction piles and gravity anchors. The friction piles anchor the base of the photovoltaic modules, and the gravity anchors fix the ends of the load-bearing cables.

6. The method for constructing a flexible photovoltaic support based on a prestressed cable structure according to claim 1, characterized in that: The photovoltaic panels are connected via modular assembly components (2), and the assembly components (2) can slide to adjust the spacing between the photovoltaic panels to adapt to different lighting conditions.

7. The method for constructing a flexible photovoltaic support based on a prestressed cable structure according to claim 1, characterized in that: The prestressing process includes a dynamic monitoring step, which monitors the prestress changes in real time through tension sensors and automatically adjusts the operating parameters of the tensioning equipment.

8. The method for constructing a flexible photovoltaic support based on a prestressed cable structure according to claim 1, characterized in that: The support system's struts are retractable and can change length according to prestress adjustment requirements to optimize the overall structural stability.

9. The method for constructing a flexible photovoltaic support based on a prestressed cable structure according to claim 1, characterized in that: The damping system uses nonlinear dampers, which can absorb the vibration energy of the cable structure caused by wind loads or earthquakes and improve the seismic performance.

10. A flexible photovoltaic support based on a prestressed cable structure, applied to a construction method of a flexible photovoltaic support based on a prestressed cable structure according to any one of claims 1 to 9, characterized in that: The assembly component (2) comprises a support head (21), a lower pressure plate (22), a support plate (23) and a limit sleeve plate (24), wherein: The lower pressing plate (22) is fixedly connected to the top of the support head (21), one end of the two supporting plates (23) is symmetrically fixedly connected to the outer wall of the support head (21), and a clamping groove for clamping the photovoltaic panel body (1) is formed between the bottom of the lower pressing plate (22) and the top of the supporting plate (23) on the same side; The limiting sleeve (24) is fixedly connected to the bottom of the support head (21), and the stabilizing cable (3) passes through the limiting sleeve (24).

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