Flexible tracking photovoltaic support and photovoltaic system

Abstract

The utility model discloses a flexible tracking photovoltaic support and a photovoltaic system, and relates to the field of photovoltaic technology, and the flexible tracking photovoltaic support comprises a main rope assembly, a supporting assembly, a tracking assembly and a wind-resistant assembly. The supporting assembly is used for supporting the main cable assembly, the tracking assembly and the wind-resistant assembly, the tracking assembly is used for driving the main cable to drive the photovoltaic assembly to rotate, and the wind-resistant assembly comprises a stabilizing cable, a wind-resistant cable and a wind-resistant frame structure. The wind-resistant frame structure is fixed through the structures of the stabilizing cables and the wind-resistant cables, and the situation that the bottom space of the flexible tracking photovoltaic support is occupied by the wind-resistant frame fixing structures such as ground piles is avoided, so that the utilization rate of the bottom space of the flexible tracking photovoltaic support can be increased, the high clearance advantage of the bottom of the flexible tracking photovoltaic support is expanded, and the flexible tracking photovoltaic support is suitable for being popularized and applied. Industrial modes such as fish-light complementation and agricultural-light complementation are conveniently realized at the bottom of the flexible tracking photovoltaic support, the practicability and economic benefits of the flexible tracking photovoltaic support are improved, and the flexible tracking photovoltaic support has the advantages of simple structure, high cost, strong wind resistance and the like.

Description

[0001] This application claims priority to Chinese utility model patent application filed on April 11, 2025, with application number 202520680419.X, entitled "A Flexible Tracking Photovoltaic Bracket and Photovoltaic System", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of photovoltaic technology, and more specifically, to a flexible tracking photovoltaic bracket and a photovoltaic system. Background Technology

[0003] Flexible photovoltaic (PV) support systems directly support PV modules via load-bearing cables. Currently, most flexible PV supports are fixed designs, with their tilt angle pre-set based on the latitude of the installation location and achieved by adjusting the height difference between different load-bearing cables in the same row. However, this fixed tilt angle design cannot be adjusted after the PV modules are installed, making it difficult to adapt to changes in the sun's altitude angle at different times and seasons, thus affecting the maximum power generation efficiency of the PV modules.

[0004] To address this issue, a flexible tracking photovoltaic (PV) bracket capable of adapting to changes in solar altitude angle has been proposed in related technologies. However, in this bracket design, the bottom structure, including the ground anchor, occupies a certain amount of space, limiting the utilization rate of the bottom space of the flexible tracking PV bracket. Therefore, how to improve the utilization rate of the bottom space of the flexible tracking PV bracket has become an urgent technical challenge that needs to be solved by those skilled in the art. Utility Model Content

[0005] In view of this, the purpose of this application is to provide a flexible tracking photovoltaic bracket to improve the utilization rate of the space at the bottom of the flexible tracking photovoltaic bracket.

[0006] Another objective of this application is to provide a photovoltaic system including the aforementioned flexible tracking photovoltaic bracket.

[0007] To achieve the above objectives, this application provides the following technical solution:

[0008] A flexible tracking photovoltaic bracket, comprising:

[0009] The main cable assembly includes at least two parallel main cables;

[0010] The support assembly includes at least two support frames, each of which is spaced apart along the extension direction of the main cable. Along the extension direction of the main cable, the two support frames located at the ends are end supports, and the support frame located between the two end supports is an intermediate support. Each end support includes an end column and an end column head node. The end column head node includes a node body plate and a connecting lug plate. The node body plate is disposed on the top of the end column. The connecting lug plate and the node body plate are arranged at an angle and connected as an integral structure. The connecting lug plate is connected to the ground foundation via a cable-stayed assembly.

[0011] The tracking component includes multiple drive components and multiple crossbeams. Each drive component is correspondingly mounted on each node main plate and each intermediate support. The drive components are connected to the crossbeams in a corresponding transmission manner to drive the crossbeams to rotate. The two ends of the main cable are respectively mounted on the crossbeams located at the end supports.

[0012] The wind-resistant component includes a stabilizing cable, a wind-resistant cable, and a wind-resistant frame structure. The two ends of the stabilizing cable are respectively connected to the crossbeams at the two end supports. The two ends of the wind-resistant cable are respectively connected to the two adjacent support frames. The top of the wind-resistant frame structure is connected to the main cable, and the bottom of the wind-resistant frame structure is connected to the stabilizing cable. The wind-resistant frame structure is connected to the wind-resistant cable, and the middle position of the wind-resistant cable is arched upward.

[0013] Optionally, in the above-mentioned flexible tracking photovoltaic support, there are two connecting lugs arranged symmetrically relative to the main cable, and the two connecting lugs are respectively connected to one of the stay cable assemblies, and the two stay cable assemblies extend along the plane of their respective connecting lugs.

[0014] Optionally, in the above-mentioned flexible tracking photovoltaic bracket, the connecting ear plate includes a connecting part, the connecting part having a connecting hole for connecting with the cable assembly, and the connecting part protruding in a direction away from the end column.

[0015] Optionally, in the above-mentioned flexible tracking photovoltaic bracket, the connecting ear plate includes a clearance portion, which has clearance space for avoiding the rotational movement of the crossbeam.

[0016] Optionally, in the above-mentioned flexible tracking photovoltaic support, the wind-resistant frame structure includes one or more three-dimensional wind-resistant frames, the top of the three-dimensional wind-resistant frame is connected to the main cable, the bottom of the three-dimensional wind-resistant frame is connected to the stabilizing cable, and the three-dimensional wind-resistant frame is connected to the wind-resistant cable through vertical cables, and the middle position of the wind-resistant cable is arched upward.

[0017] Alternatively, the wind-resistant frame structure includes a first wind-resistant frame and a second wind-resistant frame. The tops of both the first and second wind-resistant frames are connected to the main cable, and the bottoms of both are connected to the stabilizing cable. The first and second wind-resistant frames are connected to the wind-resistant cable via a first cable and a second cable, respectively, and the middle position of the wind-resistant cable is arched upwards. The second wind-resistant frame is located at the top of the arched wind-resistant cable. The first wind-resistant frame is a three-dimensional wind-resistant frame, and the second wind-resistant frame is a planar wind-resistant frame. The bottom of the second wind-resistant frame is an arc-shaped structure arched towards the main cable.

[0018] Optionally, in the above-mentioned flexible tracking photovoltaic support system, the first wind-resistant frame includes:

[0019] The first upper rod is connected to the main cable;

[0020] The second upper pole is connected to the main cable, and a plurality of the first cables are connected between the first upper pole and the wind-resistant cable, and between the second upper pole and the wind-resistant cable;

[0021] The lower rod is a single rod positioned below the first and second upper rods and connected to the stabilizing cable.

[0022] There are multiple first connecting rods, which are connected between the first upper rod and the lower rod;

[0023] There are multiple second connecting rods, which are connected between the second upper rod and the lower rod, and the first connecting rod and the second connecting rod are arranged at an angle.

[0024] Optionally, in the above-mentioned flexible tracking photovoltaic support, the first wind-resistant frame further includes a first reinforcing rod, which is connected between the first connecting rod and the second connecting rod.

[0025] Optionally, in the above-mentioned flexible tracking photovoltaic support system, the second wind-resistant frame includes:

[0026] A top rod is connected to the main cable, and a second cable is connected between the top rod and the wind-resistant cable;

[0027] A bottom rod is positioned below the top rod, and the middle portion of the bottom rod is bent toward the top rod to form the arc-shaped structure;

[0028] The third connecting rod connects the top rod and the bottom rod, and together with the top rod and the bottom rod, they form a frame.

[0029] Optionally, in the above-mentioned flexible tracking photovoltaic support, the second wind-resistant frame further includes a second reinforcing rod, which is disposed within the frame, and the middle part of the second reinforcing rod is connected to one of the top rod and the bottom rod, and both ends of the second reinforcing rod are connected to the other of the top rod and the bottom rod.

[0030] Optionally, in the above-mentioned flexible tracking photovoltaic support, the center of gravity of the crossbeam and the drive component located at the end support are both on the same straight line as the center of gravity of the end support.

[0031] And / or, the center of gravity of the crossbeam and the drive component located at the intermediate support are both on the same straight line as the center of gravity of the intermediate support.

[0032] A photovoltaic system includes photovoltaic modules and the aforementioned flexible tracking photovoltaic support, wherein there are multiple photovoltaic modules, and each photovoltaic module is laid on the main cable.

[0033] Optionally, the photovoltaic system described above also includes an operation and maintenance monitoring rack, which includes:

[0034] The mounting bracket is installed on the support frame;

[0035] A detection component is mounted on the mounting bracket, and the detection component includes at least one of an irradiation sensor, a rain and snow sensor, a wind speed and direction sensor, and a monitoring camera.

[0036] Optionally, in the photovoltaic system described above, the operation and maintenance monitoring frame further includes a photovoltaic power supply board, which is mounted on the mounting bracket and electrically connected to the detection component to supply power to the detection component.

[0037] Optionally, in the photovoltaic system described above, the outer wall of the mounting bracket is spirally provided with slats for reducing wind vibration;

[0038] And / or, the maintenance and monitoring rack also includes a lightning rod, which is mounted on the mounting bracket.

[0039] The flexible tracking photovoltaic (PV) support provided in this application uses a structure of stabilizing cables and wind-resistant cables to fix the wind-resistant frame structure, avoiding the occupation of the bottom space of the flexible tracking PV support by wind-resistant frame fixing structures such as ground piles. This achieves a high clearance layout at the bottom of the flexible tracking PV support, thereby improving the utilization rate of the bottom space of the flexible tracking PV support. It facilitates the implementation of industrial models such as fishery-solar integration and agricultural-solar integration at the bottom of the flexible tracking PV support, improving the practicality and economic benefits of the flexible tracking PV support. It also has the advantages of simple structure, high cost, and strong wind resistance.

[0040] The photovoltaic system provided in this application includes photovoltaic modules and the aforementioned flexible tracking photovoltaic support. Multiple photovoltaic modules are installed on the main cable. Because it includes the aforementioned flexible tracking photovoltaic support, it also possesses the aforementioned structure and beneficial effects, which will not be elaborated further here.

[0041] The technical features mentioned above, those to be mentioned below, and those shown individually in the accompanying drawings can be combined arbitrarily, provided that the combined technical features are not contradictory. All feasible combinations of features are the technical content explicitly described herein. Any one of the multiple sub-features contained in the same statement can be applied independently, without necessarily being applied together with other sub-features. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments of this application or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0043] Figure 1 This is a schematic diagram of the structure of a photovoltaic system provided in an embodiment of this application;

[0044] Figure 2 This is a front view of the flexible tracking photovoltaic bracket provided in an embodiment of this application;

[0045] Figure 3 An isometric view of the flexible tracking photovoltaic bracket provided in the embodiments of this application;

[0046] Figure 4 Assembly diagram of the first wind-resistant frame provided in the embodiments of this application Figure 1 ;

[0047] Figure 5 Assembly diagram of the first wind-resistant frame provided in the embodiments of this application Figure 2 ;

[0048] Figure 6 This is an assembly diagram of the second wind-resistant frame provided in an embodiment of this application;

[0049] Figure 7 An isometric view of the second wind-resistant frame provided in the embodiments of this application;

[0050] Figure 8 Schematic diagram of the end bracket provided in the embodiments of this application Figure 1 ;

[0051] Figure 9Schematic diagram of the end bracket provided in the embodiments of this application Figure 2 ;

[0052] Figure 10 Axonometric view of the end column head node provided in the embodiments of this application Figure 1 ;

[0053] Figure 11 Axonometric view of the end column head node provided in the embodiments of this application Figure 2 ;

[0054] Figure 12 An isometric view of the beam provided in an embodiment of this application;

[0055] Figure 13 Schematic diagram of the intermediate support provided in the embodiments of this application Figure 1 ;

[0056] Figure 14 Schematic diagram of the intermediate support provided in the embodiments of this application Figure 2 ;

[0057] Figure 15 Schematic diagram of the installation structure of the operation and maintenance monitoring rack provided in the embodiments of this application Figure 1 ;

[0058] Figure 16 Schematic diagram of the installation structure of the operation and maintenance monitoring rack provided in the embodiments of this application Figure 2 .

[0059] Of these, 100 is the main cable;

[0060] 200 is the end support, 201 is the end column, 202 is the column connecting plate, 203 is the node main plate, 204 is the connecting ear plate, 204a is the connecting part, 204b is the clearance part, 205 is the drive mounting plate, 205a is the welding clearance notch, 206 is the reinforcing rib plate, 210 is the intermediate support, 211 is the intermediate column, 212 is the intermediate connecting plate, 213 is the connecting pipe, and 214 is the stiffening plate;

[0061] 300 is the wind-resistant component, 310 is the stabilizing cable, 320 is the wind-resistant cable, 330 is the first wind-resistant frame, 331 is the first connecting rod, 332 is the second connecting rod, 333 is the first reinforcing rod, 334 is the first upper rod, 335 is the second upper rod, 340 is the second wind-resistant frame, 341 is the top rod, 342 is the bottom rod, 343 is the third connecting rod, 344 is the second reinforcing rod, 350 is the first cable, and 360 is the second cable.

[0062] 400 is a cable-stayed assembly;

[0063] 500 is the tracking component, 510 is the drive component, 520 is the crossbeam, 521 is the cable clamp, and 522 is the flange.

[0064] 600 refers to photovoltaic modules;

[0065] 700 is the mounting bracket, 701 is the control box, 702 is the wing strip, 703 is the monitoring equipment camera, 704 is the wind speed and direction sensor, 705 is the lightning rod, 706 is the radiation sensor, 707 is the rain and snow sensor, and 708 is the photovoltaic power supply panel. Detailed Implementation

[0066] The core of this application is to disclose a flexible tracking photovoltaic bracket to improve the utilization rate of the space at the bottom of the flexible tracking photovoltaic bracket.

[0067] Another objective of this application is to disclose a photovoltaic system including the aforementioned flexible tracking photovoltaic bracket.

[0068] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0069] like Figures 1-16As shown in the illustration, this application discloses a flexible tracking photovoltaic (PV) support system, including a main cable assembly, a support assembly, a tracking assembly 500, and a wind-resistant assembly 300. The main cable assembly includes at least two parallel main cables 100, on which PV modules 600 are laid. The support assembly includes at least two support frames, spaced apart along the extension direction of the main cables 100. The two support frames located at the ends along the extension direction of the main cables 100 are defined as end supports 200, and the support frame located between the two end supports 200 is defined as an intermediate support 210. Depending on the actual span of the main cables 100, intermediate supports 210 may not be provided, or a different number of intermediate supports 210 may be provided. The end supports 200 are connected to the ground foundation via a stay cable assembly 400, which increases the overall stability of the flexible tracking PV support system. The tracking component 500 includes multiple drive units 510 and multiple crossbeams 520. Each crossbeam 520 is rotatably mounted on a corresponding support frame, and each drive unit 510 is also mounted on a corresponding support frame. The two ends of the main cable 100 are respectively mounted on the crossbeams 520 located at the end supports 200 to achieve fixed position. When an intermediate support 210 is present, the middle position of the main cable 100 is fixed to the crossbeam 520 located on the intermediate support 210 to improve the wind resistance of the main cable 100. The drive units 510 are connected to the crossbeams 520 in a one-to-one transmission manner to drive the crossbeams 520 to rotate. The rotation of the crossbeams 520 can drive the main cable 100 and the photovoltaic modules 600 arranged on the main cable 100 to rotate synchronously to adjust the installation angle, adapt to the changes in the altitude angle of the sun at different times and seasons, and ensure the effective light-receiving area of ​​the photovoltaic modules 600.

[0070] Specifically, in some embodiments, the support assembly includes an end column 201 and an end column head node. The wind-resistant cable 320 is connected to the end column 201 by a clamp or other means. The end column 201 can be a concrete pipe pile or a steel pile, etc. The end column head node includes a node body plate 203 and a connecting ear plate 204. The node body plate 203 is located on the top of the end column 201, and the driving member 510 is connected to the node body plate 203 of the end support 200. The connecting ear plate 204 is arranged at an angle to the node body plate 203 and connected to it, which can enhance its out-of-plane stability and avoid excessive deformation and overall instability. The cable assembly 400 is connected to the connecting ear plate 204, that is, the end column head node in this embodiment of the application also has the function of connecting to the tracking assembly 500 and the cable assembly 400. Compared to the related technologies where the cable-stayed assembly 400 is directly connected to the end column 201 using clamps or similar methods, this application simplifies the installation process of the flexible tracking photovoltaic bracket by setting a connecting ear plate 204 on the end column head node to connect the cable-stayed assembly 400 to the end column 201, improves production efficiency, and has a simple structure and low cost. At the same time, it can ensure that the support assembly can still meet the requirements of overturning and axial force after the main cable 100 applies prestress to the support assembly.

[0071] Furthermore, the node body plate 203 and connecting ear plate 204 of the aforementioned end column head node adopt an integrated structural design to reduce the impact of weld quality on structural strength by reducing the number of welds, thereby improving overall strength and assembly efficiency. The end column head node disclosed in this application has the advantages of simple structure and low processing difficulty. Specifically, the node body plate 203 and connecting ear plate 204, which are arranged at an angle and connected, can be prepared by bending steel plates. This not only simplifies the manufacturing process but also ensures that the force transmission and stability are not affected. At the same time, it reduces installation steps, achieves rapid installation, and ensures the high efficiency and reliability of the structure.

[0072] Combination Figure 3The wind-resistant component 300 is used to reduce the risk of damage to the photovoltaic module 600 due to wind. It includes a stabilizing cable 310, a wind-resistant cable 320, and a wind-resistant frame structure. There are at least two stabilizing cables 310, and their two ends are respectively connected to crossbeams 520 located at two end supports 200 to achieve position fixation. When an intermediate support 210 is provided, the middle position of the stabilizing cable 310 is fixed to the crossbeam 520 located on the intermediate support 210 to improve the stability and wind resistance of the stabilizing cable 310. The two ends of the wind-resistant cable 320 are respectively connected to two adjacent support frames to facilitate construction. That is, when the intermediate support 210 is not provided, the two ends of the wind-resistant cable 320 are respectively fixed to two end supports 200. When the intermediate support 210 is provided, the two ends of the wind-resistant cable 320 are respectively connected to the end supports 200 and the intermediate support 210, or the two ends are respectively connected to two adjacent intermediate supports 210. Both the stabilizing cable 310 and the wind-resistant cable 320 are arranged below the main cable 100 to avoid affecting the installation of the photovoltaic modules 600 on the main cable 100. The top of the wind-resistant frame structure is connected to the main cable 100, and the bottom of the wind-resistant frame structure is connected to the stabilizing cable 310. The position of the wind-resistant frame structure is fixed by the main cable 100 and the stabilizing cable 310. The wind-resistant frame structure is connected to the wind-resistant cable 320, and the middle position of the wind-resistant cable 320 is arched upward. This upward arching of the wind-resistant cable 320 can effectively increase the stability and wind resistance of the overall structure of the flexible tracking photovoltaic support, prevent the wind-resistant frame structure from vertical displacement caused by wind suction and wind lifting, and at the same time, it does not occupy the space at the bottom of the flexible tracking photovoltaic support, realizing a high clearance layout at the bottom of the flexible tracking photovoltaic support.

[0073] For example, in some embodiments, the wind-resistant frame structure includes one or more three-dimensional wind-resistant frames. The top of the three-dimensional wind-resistant frame is connected to the main cable 100, the bottom of the three-dimensional wind-resistant frame is connected to the stabilizing cable 310, and the three-dimensional wind-resistant frame is connected to the wind-resistant cable 320 via vertical cables, with the middle position of the wind-resistant cable 320 arched upwards. The wind-resistant frame structure in this embodiment has reliable strength and good wind resistance performance. In other embodiments, the wind-resistant frame structure includes a first wind-resistant frame 330 and a second wind-resistant frame 340. The tops of both the first wind-resistant frame 330 and the second wind-resistant frame 340 are connected to the main cable 100, and the bottoms of both the first wind-resistant frame 330 and the second wind-resistant frame 340 are connected to the stabilizing cable 310, so that the positions of the first wind-resistant frame 330 and the second wind-resistant frame 340 are fixed by the main cable 100 and the stabilizing cable 310. The first wind-resistant frame 330 and the second wind-resistant frame 340 are connected to the wind-resistant cable 320 via the first cable 350 and the second cable 360, respectively, causing the middle of the wind-resistant cable 320 to arch upwards. Furthermore, the second wind-resistant frame 340 is positioned at the top of the arch of the wind-resistant cable 320. The first wind-resistant frame 330 is a three-dimensional wind-resistant frame, while the second wind-resistant frame 340 is a planar wind-resistant frame. The top of the arch of the wind-resistant cable 320 is the midpoint between two adjacent support frames; that is, the midpoint between the two end supports 200 when no intermediate support 210 is provided, or the midpoint between the end support 200 and its adjacent intermediate support 210, or the midpoint between two adjacent intermediate supports 210 when an intermediate support 210 is provided. At the top of the arch of the wind-resistant cable 320, the stress on the stabilizing cable 310 is relatively low, and the wind resistance requirements for the second wind-resistant frame 340 are lower. Therefore, the planar structure of the second wind-resistant frame 340 is sufficient to meet the wind resistance requirements, thereby reducing costs. In addition, the bottom of the second wind-resistant frame 340 is an arc-shaped structure that arches towards the main cable 100. This arc-shaped structure is used to avoid interference between the second wind-resistant frame 340 and the wind-resistant cable 320, and to facilitate the arching of the wind-resistant cable 320, thereby achieving a high clearance layout for the flexible tracking photovoltaic support.

[0074] In this embodiment, the main cable 100 is positioned above the crossbeam 520, and the stabilizing cable 310 is positioned below the crossbeam 520. Compared to technical solutions where the main cable 100 and the stabilizing cable 310 are both arranged above or below the crossbeam 520, the technical solution disclosed in this application can effectively reduce the deformation of the crossbeam 520, ensuring its structural strength and service life. Combined with... Figure 9 The main cable 100 and the stabilizing cable 310 can share the same cable holder 521 to connect with the crossbeam 520, simplifying the assembly process.

[0075] Compared to related technologies, the flexible tracking photovoltaic (PV) support disclosed in this application uses the structure of stabilizing cable 310 and wind-resistant cable 320 to fix the wind-resistant frame structure, avoiding the occupation of the bottom space of the flexible tracking PV support by wind-resistant frame fixing structures such as ground piles. This achieves a high clearance layout at the bottom of the flexible tracking PV support, thereby improving the utilization rate of the bottom space of the flexible tracking PV support. It facilitates the implementation of industrial models such as fishery-solar integration and agricultural-solar integration at the bottom of the flexible tracking PV support, improving the practicality and economic benefits of the flexible tracking PV support. It also has the advantages of simple structure, high cost, and strong wind resistance. In addition, the upward arched arc structure at the bottom of the second wind-resistant frame 340 can further increase the arch height of the wind-resistant cable 320 and provide more space at the bottom of the flexible tracking PV support, expanding the high clearance advantage at the bottom of the flexible tracking PV support.

[0076] Combination Figure 8 and Figure 9 To ensure the stable placement of the end posts 201, in some embodiments, a single end post 201 transmits force to the ground through two or more cable-stayed assembly 400s, and the angled arrangement of the connecting ear plate 204 and the node body plate 203 facilitates the layout of the cable-stayed assembly 400s. For example, Figure 8 and Figure 9 The diagram illustrates an end column head node comprising two opposing node body plates 203 bent at 15° in opposite directions, with connecting lugs 204. Each connecting lug 204 is connected to a stay cable assembly 400, and the two stay cable assemblies 400 extend along the plane of their respective connecting lugs 204. The two stay cable assemblies 400 and the end column 201 together form a triangular support structure. The node body plates 203 are two in a one-to-one correspondence with the connecting lugs 204, and the surface of the node body plates 203 is parallel to the extension direction of the main cable 100. Optionally, the preset included angle between the node body plates 203 and the connecting lugs 204 can be 135° to 170°, so that the two stay cable assemblies 400 connected to the two connecting lugs 204 can form an included angle of 20° to 90°, improving the force transmission efficiency of the stay cable assemblies 400 and enhancing out-of-plane stability. Figure 10 and Figure 11 To enhance the structural strength of the end column head node, at least one reinforcing rib plate 206 is connected between the two node main body plates 203 and between the two connecting ear plates 204. The reinforcing rib plate 206 can be welded to the node main body plate 203 and the connecting ear plate 204.

[0077] Combination Figure 10 and Figure 11The connecting ear plate 204 includes a connecting portion 204a, which has a connecting hole for connecting with the stay cable assembly 400. The connecting portion 204a is projecting away from the end column 201. This upward projection of the connecting portion 204a allows for a more reasonable connection angle between the stay cable assembly 400 and the end support 200, thereby optimizing the stress state of the stay cable assembly 400, reducing additional stress concentration caused by improper angles, and enhancing structural reliability. Additionally, the upward projection of the connecting portion 204a can reduce friction between the stay cable assembly 400 and the end column head node to some extent. A column connecting plate 202 can be installed at the bottom of the node body plate 203 by welding or other methods. The column connecting plate 202 is then fixed to the end column 201 by bolts or other structures, resulting in a simple structure and quick installation. Furthermore, combined with… Figure 9 and Figure 10 In the vertical direction, the connecting holes are staggered with the column connecting plate 202 to further avoid friction between the cable assembly 400 and the column connecting plate 202, thereby extending the service life of the cable assembly 400. This application does not limit the specific angle of the upward projection of the connecting part 204a.

[0078] The connecting lug 204 is usually arranged on the side of the node main plate 203 away from the wind-resistant frame structure. When the crossbeam 520 is also arranged on the side of the node main plate 203 away from the wind-resistant frame structure, in order to avoid the connecting lug 204 interfering with the rotation of the crossbeam 520, combined with... Figure 10 and Figure 11 The connecting ear plate 204 includes a clearance portion 204b, which has clearance space for accommodating the rotational movement of the crossbeam 520.

[0079] Combination Figure 9 and Figure 10 A drive mounting plate 205 is provided on one side of the node main body plate 203. The drive component 510 is fixed to the drive mounting plate 205 by bolt connection, welding, or other methods. The drive component 510 can be a speed reducer. Figure 9 and Figure 12 The drive component 510 and the crossbeam 520 can be bolted or welded together via flange 522 or other components. Furthermore, flange 522 and crossbeam 520 are further reinforced by triangular reinforcing plates, specifically arranged on the upper and lower sides of crossbeam 520, which limit the crossbeam 520's movement and improve its stability under unbalanced overturning forces. Furthermore, combined with... Figure 9 and Figure 10The drive mounting plate 205 also features a welding clearance notch 205a, which avoids the welding positions of the reinforcing rib plate 206 and the connecting ear plate 204, ensuring the continuity of the weld between them and facilitating on-site welding using tools such as welding torches. The drive mounting plate 205 can extend to and connect with the column connecting plate 202 to improve structural reliability.

[0080] Combination Figure 9 and Figure 11 The node main plate 203 is placed vertically. Under the prestress of the main cable 100 and the stabilizing cable 310, the crossbeam 520 is subjected to compression between the driving component 510 and the driving mounting plate 205. The pressure is transmitted sequentially through the driving mounting plate 205 to the node main plate 203, the column connecting plate 202 and the end column 201. Since the welds along this transmission path play an auxiliary role in compression, the unfavorable stress form of tension on the welds is avoided, thus ensuring the reliability of the structure at the end column head node.

[0081] To ensure stable force distribution, the center of gravity of the crossbeam 520 at the end support 200, the center of gravity of the driving member 510, the fixing points of the crossbeam 520 and the driving member 510, and the fixing points of the driving member 510 and the end column head node should be set on the same straight line; correspondingly, the center of gravity of the crossbeam 520 and the driving member 510 at the intermediate support 210 are all on the same straight line as the center of gravity of the intermediate support 210.

[0082] It should be noted that, since the horizontal tension in the middle of the main cable 100 is relatively smaller than that at the ends, the drive unit 510 located on the end support 200 can be a horizontal reducer, while the drive unit 510 located on the intermediate support 210 can be a lower-cost vertical reducer to assist the rotation of the main cable 100. Specifically, in some embodiments, combined with Figure 13 and Figure 14 The intermediate support 210 includes an intermediate column 211 and a connecting pipe 213. The intermediate column 211 and the connecting pipe 213 are welded together by an intermediate connecting plate 212. The crossbeam 520 and the driving component 510 located on the intermediate support 210 are both mounted on the connecting pipe 213, and the driving component 510 is bolted to the crossbeam 520 via a flange. To improve structural strength, multiple stiffening plates 214 are provided around the connecting pipe 213, and the stiffening plates 214 are connected to the intermediate connecting plate 212 and the connecting pipe 213.

[0083] In some embodiments, combined with Figure 4 and Figure 5The first wind-resistant frame 330 includes a first upper rod 334, a second upper rod 335, a lower rod, a first connecting rod 331, and a second connecting rod 332. The first upper rod 334 and the second upper rod 335 are respectively connected to the main cable 100, and multiple first tension cables 350 are respectively connected between the first upper rod 334 and the wind-resistant cable 320, and between the second upper rod 335 and the wind-resistant cable 320, so that the wind-resistant cable 320 arches upward. There is one lower rod, which is located below the first upper rod 334 and the second upper rod 335, and the lower rod is connected to the stabilizing cable 310. There are multiple first connecting rods 331, which are connected between the first upper rod 334 and the lower rod. There are multiple second connecting rods 332, which are connected between the second upper rod 335 and the lower rod, and the first connecting rods 331 and the second connecting rods 332 are arranged at an angle. For example, Figure 4 and Figure 5 There are two first connecting rods 331 and two second connecting rods 332. The first connecting rod 331, together with the first upper rod 334 and the lower rod, forms a frame structure, and the second connecting rod 332, together with the second upper rod 335 and the lower rod, forms a frame structure. In the embodiments of this application, the first upper rod 334, the second upper rod 335, the lower rod, the first connecting rod 331, and the second connecting rod 332 can all be straight rod structures, which are simple in structure, convenient to manufacture, and easy to process; or, the first upper rod 334 and the first connecting rod 331 can be an integral structure, and the second upper rod 335 and the second connecting rod 332 can be an integral structure, which facilitates processing and production. The first upper rod 334 and the second upper rod 335 have the same length, and their lengths can be the same as or different from those of the lower rod.

[0084] Furthermore, the first wind-resistant frame 330 also includes a first reinforcing rod 333, which is connected between the first connecting rod 331 and the second connecting rod 332 to reduce the structural deformation of the three-dimensional wind-resistant frame and improve the structural strength.

[0085] In some embodiments, combined with Figure 6 and Figure 7 The second wind-resistant frame 340 includes a top rod 341, a bottom rod 342, and a third connecting rod 343. The top rod 341 is connected to the main cable 100. A second cable 360 ​​connects the top rod 341 and the wind-resistant cable 320. The middle part of the bottom rod 342 is bent towards the top rod 341 to form the aforementioned arc-shaped structure. The second connecting rod 332 connects the top rod 341 and the bottom rod 342, and together with the top rod 341 and the bottom rod 342, they form a frame structure. The planar wind-resistant frame structure disclosed in this application is simple, has low production cost, and good wind resistance. The arc-shaped structure of the bottom rod 342 can avoid the wind-resistant cable 320, giving the wind-resistant cable 320 a higher arch height and improving the high clearance advantage at the bottom of the flexible tracking photovoltaic support. One of the top rod 341 and the bottom rod 342 and the third connecting rod 343 can be an integral structure, which is convenient for processing and production. The lengths of the top rod 341 and the bottom rod 342 can be the same or different.

[0086] Furthermore, the second wind-resistant frame 340 also includes a second reinforcing rod 344, which is disposed within the frame. The middle portion of the second reinforcing rod 344 is connected to one of the top rod 341 and the bottom rod 342, and both ends of the second reinforcing rod 344 are connected to the other of the top rod 341 and the bottom rod 342. The second reinforcing rod 344 can enhance the overall structural strength and wind resistance of the planar wind-resistant frame. The second reinforcing rod 344 can be welded to the top rod 341 and the bottom rod 342.

[0087] Combination Figure 2 Multiple first wind-resistant frames 330 are symmetrically arranged on both sides of the second wind-resistant frame 340 to ensure uniform stress distribution on the flexible tracking photovoltaic support system, facilitate arrangement, and improve structural strength. Specifically, a second wind-resistant frame 340 is set at the middle position of two adjacent support frames, and multiple second wind-resistant frames 340 are symmetrically arranged relative to the second wind-resistant frame 340.

[0088] Combination Figure 1 The photovoltaic system disclosed in this application includes photovoltaic modules 600 and the aforementioned flexible tracking photovoltaic support. Multiple photovoltaic modules 600 are installed on the main cable 100. Since it includes the aforementioned flexible tracking photovoltaic support, it also possesses the aforementioned structure and beneficial effects, which will not be repeated here.

[0089] Combination Figure 15 and Figure 16In some embodiments disclosed in this application, the photovoltaic system further includes an operation and maintenance monitoring frame. The monitoring frame includes a mounting bracket 700 and a detection component. The mounting bracket 700 is mounted on a support frame, specifically on the intermediate bracket 210 or the end bracket 200 using clamps or other connection methods. The detection component is mounted on the mounting bracket 700, which provides a mounting position for the detection component. The detection component includes at least one of an irradiance sensor 706, a rain and snow sensor 707, a wind speed and direction sensor 704, and a monitoring camera 703. The irradiance sensor 706 monitors the light intensity of the current site; the rain and snow sensor 707 monitors the weather conditions of the current site; the wind speed and direction sensor 704 monitors the wind speed of the current site; and the monitoring camera 703 monitors the wind vibration of the photovoltaic modules 600 via video or issues warnings for abnormal events on the site. The photovoltaic system disclosed in this application achieves real-time monitoring of the environment in which the photovoltaic system is located through the setting of the operation and maintenance monitoring frame, which is helpful for the management of the photovoltaic system. By directly mounting the maintenance monitoring rack on the support frame, the technical solution eliminates the need for a separate base for installation, enabling portable installation of the maintenance monitoring rack and facilitating subsequent dismantling. Furthermore, by integrating various detection components instead of distributing them throughout the photovoltaic system, maintenance is simplified. Each detection component can be positioned at a different location on the mounting bracket 700, avoiding mutual interference.

[0090] The mounting bracket 700 can also be equipped with a control box 701, self-powered energy storage devices, and industrial cameras to provide technical support for the establishment and operation and maintenance system of the photovoltaic power station. The control box 701 contains batteries, gateways, and sensor terminals to receive detection information from the detection components. In addition, the operation and maintenance monitoring rack also includes a photovoltaic power supply board 708, which is mounted on the mounting bracket 700 and connected to the detection components to supply power to them.

[0091] To further optimize the design, along the axial direction of the mounting bracket 700, a spiral slat 702 for reducing wind vibration is spirally installed on the outer wall of the mounting bracket 700.

[0092] It should be noted that since the mounting bracket (700mm) is typically taller than the photovoltaic module (600mm) and is generally located at a higher point on the site, lightning protection measures are also required. Figure 15 The maintenance and monitoring rack also includes a lightning rod 705, which is installed at the top of the mounting bracket 700.

[0093] The terms "first" and "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units may include steps or units not listed, but rather not listed.

[0094] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flexible tracking photovoltaic support, characterized in that, include: The main cable assembly includes at least two parallel main cables (100). The support assembly includes at least two support frames, each of which is spaced apart along the extension direction of the main cable (100). Along the extension direction of the main cable (100), the two support frames located at the ends are end supports (200), and the support frame located between the two end supports (200) is an intermediate support (210). The end support (200) includes an end column (201) and an end column head node. The end column head node includes a node body plate (203) and a connecting ear plate (204). The node body plate (203) is located on the top of the end column (201). The connecting ear plate (204) and the node body plate (203) are an integral structure arranged at an angle and connected. The connecting ear plate (204) is connected to the ground foundation through a cable-stayed assembly (400). The tracking component (500) includes multiple drive members (510) and multiple crossbeams (520). Each drive member (510) is correspondingly disposed on each node main plate (203) and each intermediate support (210). The drive members (510) are connected to the crossbeams (520) in a corresponding transmission manner to drive the crossbeams (520) to rotate. The two ends of the main cable (100) are respectively disposed on the crossbeams (520) located at the end supports (200). The wind-resistant component (300) includes a stabilizing cable (310), a wind-resistant cable (320), and a wind-resistant frame structure. The two ends of the stabilizing cable (310) are respectively connected to the crossbeams (520) at the two end supports (200). The two ends of the wind-resistant cable (320) are respectively connected to the two adjacent support frames. The top of the wind-resistant frame structure is connected to the main cable (100). The bottom of the wind-resistant frame structure is connected to the stabilizing cable (310). The wind-resistant frame structure is connected to the wind-resistant cable (320), and the middle position of the wind-resistant cable (320) is arched upward.

2. The flexible tracking photovoltaic bracket as described in claim 1, characterized in that, The connecting lugs (204) are two symmetrically arranged relative to the main cable (100). The two connecting lugs (204) are respectively connected to one of the cable-stayed assembly (400), and the two cable-stayed assemblies (400) extend along the plane of their respective connecting lugs (204).

3. The flexible tracking photovoltaic bracket as described in claim 1, characterized in that, The connecting ear plate (204) includes a connecting part (204a), which has a connecting hole for connecting to the cable assembly (400), and the connecting part (204a) is projecting away from the end post (201).

4. The flexible tracking photovoltaic bracket as described in claim 1, characterized in that, The connecting lug (204) includes a clearance portion (204b) having clearance space for accommodating the rotational movement of the crossbeam (520).

5. The flexible tracking photovoltaic bracket as described in claim 1, characterized in that, The wind-resistant frame structure includes one or more three-dimensional wind-resistant frames. The top of the three-dimensional wind-resistant frame is connected to the main cable (100), the bottom of the three-dimensional wind-resistant frame is connected to the stabilizing cable (310), and the three-dimensional wind-resistant frame is connected to the wind-resistant cable (320) through vertical cables, and the middle position of the wind-resistant cable (320) is arched upward. Alternatively, the wind-resistant frame structure includes a first wind-resistant frame (330) and a second wind-resistant frame (340). The tops of the first wind-resistant frame (330) and the second wind-resistant frame (340) are both connected to the main cable (100), and the bottoms of the first wind-resistant frame (330) and the second wind-resistant frame (340) are both connected to the stabilizing cable (310). The first wind-resistant frame (330) and the second wind-resistant frame (340) are respectively connected to the wind-resistant cable (320) through a first cable (350) and a second cable (360), and the middle position of the wind-resistant cable (320) is arched upward. The second wind-resistant frame (340) is located at the top position of the arched wind-resistant cable (320). The first wind-resistant frame (330) is a three-dimensional wind-resistant frame, and the second wind-resistant frame (340) is a planar wind-resistant frame. The bottom of the second wind-resistant frame (340) is an arc-shaped structure arched towards the main cable (100).

6. The flexible tracking photovoltaic bracket as described in claim 5, characterized in that, The first wind-resistant frame (330) includes: The first upper rod (334) is connected to the main cable (100); The second upper pole (335) is connected to the main cable (100), and a plurality of first cables (350) are connected between the first upper pole (334) and the wind-resistant cable (320), and between the second upper pole (335) and the wind-resistant cable (320); The lower rod is a single rod, which is positioned below the first upper rod (334) and the second upper rod (335) and connected to the stabilizing cable (310); There are multiple first connecting rods (331), which are connected between the first upper rod (334) and the lower rod; There are multiple second connecting rods (332), which are connected between the second upper rod (335) and the lower rod, and the first connecting rod (331) and the second connecting rod (332) are arranged at an angle.

7. The flexible tracking photovoltaic bracket according to claim 6, characterized in that, The first wind-resistant frame (330) also includes a first reinforcing rod (333), which is connected between the first connecting rod (331) and the second connecting rod (332).

8. The flexible tracking photovoltaic bracket as described in claim 5, characterized in that, The second wind-resistant frame (340) includes: A top rod (341) is connected to the main cable (100), and a second cable (360) is connected between the top rod (341) and the wind-resistant cable (320); A bottom rod (342) is disposed below the top rod (341), and the middle part of the bottom rod (342) is bent toward the top rod (341) to form the arc-shaped structure; The third connecting rod (343) is connected between the top rod (341) and the bottom rod (342), and together with the top rod (341) and the bottom rod (342) form a frame.

9. The flexible tracking photovoltaic bracket according to claim 8, characterized in that, The second wind-resistant frame (340) also includes a second reinforcing rod (344), which is disposed within the frame. The middle part of the second reinforcing rod (344) is connected to one of the top rod (341) and the bottom rod (342), and both ends of the second reinforcing rod (344) are connected to the other of the top rod (341) and the bottom rod (342).

10. The flexible tracking photovoltaic bracket as described in claim 1, characterized in that, The center of gravity of the crossbeam (520) and the drive member (510) located at the end bracket (200) are both on the same straight line as the center of gravity of the end bracket (200); And / or, the center of gravity of the crossbeam (520) and the drive member (510) located at the intermediate support (210) are both on the same straight line as the center of gravity of the intermediate support (210).

11. A photovoltaic system, characterized in that, It includes photovoltaic modules (600) and a flexible tracking photovoltaic support as described in any one of claims 1-10, wherein there are multiple photovoltaic modules (600), and each photovoltaic module (600) is laid on the main cable (100).

12. The photovoltaic system as described in claim 11, characterized in that, It also includes an operation and maintenance monitoring rack, which includes: Mounting bracket (700) is mounted on the support frame; The detection component is disposed on the mounting bracket (700), and the detection component includes at least one of an irradiation sensor (706), a rain and snow sensor (707), a wind speed and direction sensor (704), and a surveillance camera.

13. The photovoltaic system as described in claim 12, characterized in that, The operation and maintenance monitoring frame also includes a photovoltaic power supply board (708), which is mounted on the mounting bracket (700) and electrically connected to the detection component to supply power to the detection component.

14. The photovoltaic system as described in claim 12, characterized in that, The outer wall of the mounting bracket (700) is spirally provided with slats (702) for reducing wind vibration. And / or, the maintenance monitoring rack also includes a lightning rod (705), which is mounted on the mounting bracket (700).

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