Flexible tracking photovoltaic support and photovoltaic system

Abstract

The invention 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 the priority of the Chinese invention patent application filed with the China Patent Office on April 11, 2025, with application number 202510452429.2 and invention name “A flexible tracking photovoltaic bracket and photovoltaic system”, the entire contents of which are incorporated by reference in this application. Technical Field

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

[0003] The flexible photovoltaic support system directly supports the photovoltaic modules through the load-bearing cables. Currently, most flexible photovoltaic supports are fixed in design, and their tilt angle is pre-set according to the latitude of the installation site, and is achieved by adjusting the height difference of different load-bearing cables in the same row. However, this fixed tilt angle solution cannot be adjusted after the photovoltaic modules are installed, and it is difficult to adapt to the changes in the altitude angle of the sun at different times and seasons, thus affecting the maximum power generation efficiency of the photovoltaic modules.

[0004] In order to solve this problem, a flexible tracking photovoltaic bracket that can adapt to the change of the solar altitude angle is proposed in the related art. However, in the design of this bracket, the bottom structure including the ground anchor occupies a certain space, which limits the utilization rate of the bottom space of the flexible tracking photovoltaic bracket. Therefore, how to improve the utilization rate of the bottom space of the flexible tracking photovoltaic bracket has become a technical problem that technicians in this field need to solve urgently. Summary of the invention

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

[0006] Another object of the present application is to provide a photovoltaic system including the above-mentioned flexible tracking photovoltaic bracket.

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

[0008] A flexible tracking photovoltaic bracket, comprising:

[0009] A main cable assembly, comprising at least two main cables arranged in parallel;

[0010] A support assembly, comprising at least two support frames, each of which is arranged at intervals along the extension direction of the main cable, and 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; the end supports include end columns and end column head nodes, the end column head nodes include node body plates and connecting ear plates, the node body plates are arranged on the tops of the end columns, the connecting ear plates and the node body plates are an integrated structure arranged and connected at an angle, and the connecting ear plates are connected to the ground foundation through the inclined cable assembly;

[0011] The tracking assembly includes a plurality of driving members and a plurality of cross beams, wherein each of the driving members is arranged on each of the node main plates and each of the intermediate brackets in a one-to-one correspondence, and the driving members are transmission-connected to the cross beams in a one-to-one correspondence to drive the cross beams to rotate, and the two ends of the main cable are respectively arranged on the cross beams located at the end brackets;

[0012] The wind-resistant component includes a stabilizing cable, a wind-resistant cable and a wind-resistant frame structure, wherein two ends of the stabilizing cable are respectively connected to the cross beams at the two end brackets, and the main cable is arranged above the cross beam, and the stabilizing cable is arranged below the cross beam, and two ends of the wind-resistant cable are respectively connected to two adjacent support frames, the top of the wind-resistant frame structure is connected to the main cable, the bottom of the wind-resistant frame structure is connected to the stabilizing cable, and 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 bracket, the number of the connecting ear plates is two and they are symmetrically arranged relative to the main cable, the two connecting ear plates are respectively connected to one of the inclined cable assemblies, and the two inclined cable assemblies extend respectively along the planes of their corresponding connecting ear plates.

[0014] Optionally, in the above-mentioned flexible tracking photovoltaic bracket, the connecting ear plate includes a connecting portion, a connecting hole connected to the inclined cable assembly is opened on the connecting portion, and the connecting portion is raised in a direction away from the end column.

[0015] Optionally, in the above-mentioned flexible tracking photovoltaic bracket, the connecting ear plate includes an avoidance portion, and the avoidance portion has an avoidance space for avoiding the rotation action of the crossbeam.

[0016] Optionally, in the above-mentioned flexible tracking photovoltaic bracket, 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 a vertical cable, 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 the first wind-resistant frame and the second wind-resistant frame are both connected to the main cable, the bottoms of the first wind-resistant frame and the second wind-resistant frame are both connected to the stabilizing cable, and the first wind-resistant frame and the second wind-resistant frame are respectively connected to the wind-resistant cable through a first cable and a second cable, and the middle position of the wind-resistant cable is arched upward, the second wind-resistant frame is arranged at the top position of the arched wind-resistant cable, the first wind-resistant frame is a three-dimensional wind-resistant frame, the second wind-resistant frame is a plane wind-resistant frame, and the bottom of the second wind-resistant frame is an arc-shaped structure arched toward the main cable.

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

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

[0020] A second upper rod connected to the main cable, and a plurality of the first cables are connected between the first upper rod and the anti-wind cable, and between the second upper rod and the anti-wind cable;

[0021] A lower rod, which is provided below the first upper rod and the second upper rod and is connected to the stabilizing cable;

[0022] A first connecting rod, which is multiple and connected between the first upper rod and the lower rod;

[0023] There are multiple second connecting rods 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, and the first reinforcing rod is connected between the first connecting rod and the second connecting rod.

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

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

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

[0028] The third connecting rod is connected between the top rod and the bottom rod, and together with the top rod and the bottom rod, forms a frame.

[0029] Optionally, in the above-mentioned flexible tracking photovoltaic bracket, the second wind-resistant frame also includes a second reinforcing rod, the second reinforcing rod is arranged in 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 bracket, the center of gravity of the crossbeam and the driving member located at the end bracket are both on the same straight line as the center of gravity of the end bracket;

[0031] And / or, the centers of gravity of the crossbeam and the driving member 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 comprises a photovoltaic component and the above-mentioned flexible tracking photovoltaic bracket, wherein there are a plurality of photovoltaic components, and each of the photovoltaic components is laid on the main cable.

[0033] Optionally, in the above photovoltaic system, an operation and maintenance monitoring frame is further included, and the operation and maintenance monitoring frame includes:

[0034] A mounting bracket, arranged on the supporting frame;

[0035] The detection component is arranged on the mounting bracket, and the detection component includes at least one of a radiation sensor, a rain and snow sensor, a wind speed and direction sensor, and a monitoring camera.

[0036] Optionally, in the above-mentioned photovoltaic system, the operation and maintenance monitoring frame also includes a photovoltaic power supply board, and the photovoltaic power supply board is arranged on the mounting bracket and is electrically connected to the detection component to supply power to the detection component.

[0037] Optionally, in the above photovoltaic system, a wing strip for reducing wind vibration is spirally provided on the outer wall of the mounting bracket;

[0038] And / or, the operation and maintenance monitoring frame also includes a lightning rod, and the lightning rod is arranged on the mounting bracket.

[0039] The flexible tracking photovoltaic bracket provided in the present application fixes the wind-resistant frame structure through the structure of stabilizing cables and wind-resistant cables, thereby avoiding the occupation of the bottom space of the flexible tracking photovoltaic bracket by wind-resistant frame fixing structures such as ground piles, and realizing a high-clearance layout at the bottom of the flexible tracking photovoltaic bracket, thereby improving the utilization rate of the bottom space of the flexible tracking photovoltaic bracket, facilitating the realization of industrial models such as fish-light complementarity and agricultural-light complementarity at the bottom of the flexible tracking photovoltaic bracket, improving the practicability and economic benefits of the flexible tracking photovoltaic bracket, and having the advantages of simple structure, high cost, and strong wind resistance.

[0040] The photovoltaic system provided by the present application includes a photovoltaic module and the above-mentioned flexible tracking photovoltaic bracket, wherein the photovoltaic modules are multiple and laid on the main cable. Since the above-mentioned flexible tracking photovoltaic bracket is included, the above-mentioned structure and beneficial effects are also possessed, which will not be described in detail here.

[0041] The technical features mentioned above, the technical features to be mentioned below, and the technical features shown separately in the drawings can be combined with each other arbitrarily, as long as the combined technical features are not contradictory. All feasible feature combinations are technical contents clearly recorded in this article. Any of the multiple sub-features contained in the same sentence can be applied independently, and does not have to be applied together with other sub-features. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are merely embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0043] Figure 1 A schematic diagram of the structure of a photovoltaic system provided in an embodiment of the present application;

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

[0045] Figure 3 An axonometric diagram of a flexible tracking photovoltaic bracket provided in an embodiment of the present application;

[0046] Figure 4 Schematic diagram of the assembly of the first wind-resistant frame provided in the embodiment of the present application Figure 1 ;

[0047] Figure 5 Schematic diagram of the assembly of the first wind-resistant frame provided in the embodiment of the present application Figure 2 ;

[0048] Figure 6 A schematic diagram of the assembly of a second wind-resistant frame provided in an embodiment of the present application;

[0049] Figure 7 An axonometric diagram of a second wind-resistant frame provided in an embodiment of the present application;

[0050] Figure 8 The structure of the end bracket provided in the embodiment of the present application is shown in FIG. Figure 1 ;

[0051] Fig. 9The structure of the end bracket provided in the embodiment of the present application is shown in FIG. Figure 2 ;

[0052] Fig.10 Axonometric measurement of the end column node provided in the embodiment of the present application Figure 1 ;

[0053] Fig.11 Axonometric measurement of the end column node provided in the embodiment of the present application Figure 2 ;

[0054] Fig.12 An axonometric view of a beam provided in an embodiment of the present application;

[0055] Fig.13 The structure of the intermediate bracket provided in the embodiment of the present application is shown in FIG. Figure 1 ;

[0056] Fig.14 The structure of the intermediate bracket provided in the embodiment of the present application is shown in FIG. Figure 2 ;

[0057] Fig.15 Schematic diagram of the installation structure of the operation and maintenance monitoring frame provided in the embodiment of the present application Figure 1 ;

[0058] Fig.16 Schematic diagram of the installation structure of the operation and maintenance monitoring frame provided in the embodiment of the present application Figure 2 .

[0059] Among them, 100 is the main cable;

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

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

[0062] 400 is a stay cable assembly;

[0063] 500 is a tracking assembly, 510 is a driving member, 520 is a crossbeam, 521 is a cable clamp, and 522 is a flange;

[0064] 600 for photovoltaic modules;

[0065] 700 is a mounting bracket, 701 is a control box, 702 is a wing bar, 703 is a monitoring device camera, 704 is a wind speed and direction sensor, 705 is a lightning rod, 706 is an irradiation sensor, 707 is a rain and snow sensor, and 708 is a photovoltaic power supply panel. DETAILED DESCRIPTION

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

[0067] Another object of the present application is to disclose a photovoltaic system including the above-mentioned flexible tracking photovoltaic bracket.

[0068] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0069] like Figure 1-Figure 16As shown, the embodiment of the present application discloses a flexible tracking photovoltaic support, 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 photovoltaic assemblies 600 are laid; the support assembly includes at least two support frames, each of which is arranged at intervals along the extension direction of the main cable 100, and the two support frames located at the ends along the extension direction of the main cable 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. Then, according to the actual span of the main cable 100, the intermediate support 210 may not be provided or different numbers of intermediate supports 210 may be provided. The end support 200 is connected to the ground foundation through the inclined cable assembly 400, and the inclined cable assembly 400 can increase the overall stability of the flexible tracking photovoltaic support. The tracking assembly 500 includes a plurality of driving members 510 and a plurality of crossbeams 520. Each crossbeam 520 is rotatably arranged on each support frame in a one-to-one correspondence. Each driving member 510 is also arranged on each support frame in a one-to-one correspondence. Both ends of the main cable 100 are respectively arranged on the crossbeams 520 located at the end brackets 200 to achieve position fixation. In the case of an intermediate bracket 210, the middle position of the main cable 100 is fixed to the crossbeam 520 located on the intermediate bracket 210 to improve the wind resistance of the main cable 100. The driving member 510 is connected to the crossbeam 520 in a one-to-one correspondence transmission manner to drive the crossbeam 520 to rotate. The rotation of the crossbeam 520 can drive the main cable 100 and the photovoltaic assembly 600 arranged on the main cable 100 to rotate synchronously to adjust the installation angle, adapt to the change of the altitude angle of the sun at different times and seasons, and ensure the effective light receiving area of ​​the photovoltaic assembly 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, and the end column 201 can be a structure such as a concrete pipe pile or a steel pile; the end column head node includes a node main body plate 203 and a connecting ear plate 204, the node main body plate 203 is arranged on the top of the end column 201, and the driving member 510 is connected to the node main body plate 203 of the end bracket 200, and the connecting ear plate 204 is arranged and connected to the node main body plate 203 at an angle, which can enhance its out-of-plane stability and avoid excessive deformation and overall instability. The inclined cable assembly 400 is connected to the connecting ear plate 204, that is, the end column head node in the embodiment of the present application has the function of connecting with the tracking assembly 500 and the inclined cable assembly 400 at the same time. Compared with the technical solution in the related art that the inclined cable assembly 400 is directly connected to the end column 201 by means of a clamp or the like, the present application connects the inclined cable assembly 400 with the end column 201 by setting a connecting ear plate 204 on the end column head node, thereby simplifying the installation process of the flexible tracking photovoltaic bracket, improving production efficiency, and having a simple structure and low cost. At the same time, it can ensure that after the main cable 100 applies prestress to the support assembly, the support assembly can still meet the requirements of overturning and axial force.

[0071] Furthermore, the node main plate 203 and the connecting ear plate 204 of the above-mentioned end column head node adopt an integrated structural design to reduce the influence 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 the embodiment of the present application has the advantages of simple structure and low processing difficulty. Specifically, the node main plate 203 and the connecting ear plate 204 arranged and connected at an angle can be prepared by bending steel plates, which not only simplifies the manufacturing process, but also ensures that the force transmission and stability are not affected, while reducing the installation process, achieving rapid installation, and ensuring the 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 component 600 due to wind force. 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 the two ends of the stabilizing cables 310 are respectively connected to the crossbeam 520 located at the two end brackets 200 to achieve position fixation; when an intermediate bracket 210 is provided, the middle position of the stabilizing cable 310 is fixed to the crossbeam 520 located on the intermediate bracket 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 for easy construction, that is, when the intermediate bracket 210 is not provided, the two ends of the wind-resistant cable 320 are respectively fixed to the two end brackets 200, and when the intermediate bracket 210 is provided, the two ends of the wind-resistant cable 320 are respectively connected to the end bracket 200 and the intermediate bracket 210, or the two ends are respectively connected to the two adjacent intermediate brackets 210. The stabilizing cable 310 and the wind-resistant cable 320 are both arranged below the main cable 100 to avoid affecting the installation of the photovoltaic module 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, so that the position of the wind-resistant frame structure is fixed by the main cable 100 and the stabilizing cable 310, and 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 kind of upwardly arched wind-resistant cable 320 can effectively increase the stability and wind resistance of the overall structure of the flexible tracking photovoltaic bracket, prevent the wind-resistant frame structure from being vertically displaced 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 bracket, and realizes the high clearance layout at the bottom of the flexible tracking photovoltaic bracket.

[0073] Exemplarily, 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 through a vertical cable, and the middle position of the wind-resistant cable 320 is arched upward, and the wind-resistant frame structure in this embodiment has reliable strength and good wind resistance. 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 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, so as to realize the position fixation of the first wind-resistant frame 330 and the second wind-resistant frame 340 through 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 through the first cable 350 and the second cable 360, respectively, and the middle part of the wind-resistant cable 320 is arched upward. In addition, the second wind-resistant frame 340 is arranged at the top position of the arch of the 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 plane wind-resistant frame, wherein the top position of the arch of the wind-resistant cable 320 is the middle position of two adjacent support frames, that is, when the intermediate support 210 is not provided, the middle position of the two end supports 200, when the intermediate support 210 is provided, the middle position of the end support 200 and the adjacent intermediate support 210 or the middle position of two adjacent intermediate supports 210. At the top position of the arch of the wind-resistant cable 320, the stress of the stabilizing cable 310 is small, and the wind resistance performance requirement of the second wind-resistant frame 340 is low, so the second wind-resistant frame 340 with a plane structure can meet the wind resistance requirements, thereby reducing costs. In addition, the bottom of the second wind-resistant frame 340 is an arc-shaped structure arched toward the main cable 100, which is used to avoid interference between the second wind-resistant frame 340 and the wind-resistant cable 320 and facilitate the arching of the wind-resistant cable 320, thereby realizing a high-clearance layout of the flexible tracking photovoltaic bracket.

[0074] In the embodiment of the present application, the main cable 100 is arranged above the cross beam 520, and the stabilizing cable 310 is arranged below the cross beam 520. Compared with the technical solution in which the main cable 100 and the stabilizing cable 310 are arranged above or below the cross beam 520, the technical solution disclosed in the present application can effectively reduce the deformation of the cross beam 520 and ensure its structural strength and service life. Fig. 9 The main cable 100 and the stabilizing cable 310 can share the same cable clamp 521 to be connected to the crossbeam 520, thereby simplifying the assembly process.

[0075] Compared with the related art, the flexible tracking photovoltaic bracket disclosed in the present application fixes the wind-resistant frame structure through the structure of the stabilizing cable 310 and the wind-resistant cable 320, thereby avoiding the occupation of the bottom space of the flexible tracking photovoltaic bracket by the wind-resistant frame fixing structure such as ground piles, and realizing a high-clearance layout at the bottom of the flexible tracking photovoltaic bracket, thereby improving the utilization rate of the bottom space of the flexible tracking photovoltaic bracket, facilitating the realization of industrial models such as fish-light complementarity and agricultural-light complementarity at the bottom of the flexible tracking photovoltaic bracket, improving the practicality and economic benefits of the flexible tracking photovoltaic bracket, and having the advantages of simple structure, high cost, and strong wind resistance; in addition, the present application can further increase the arch height of the wind-resistant cable 320 through the arc structure that arches upward at the bottom of the second wind-resistant frame 340, and provide more space for the bottom of the flexible tracking photovoltaic bracket, thereby expanding the high-clearance advantage of the bottom of the flexible tracking photovoltaic bracket.

[0076] Combination Figure 8 and Fig. 9 In order to ensure the stable placement of the end column 201, in some embodiments, a single end column 201 transmits the force to the ground through two or more inclined cable assemblies 400, and the angle arrangement between the connecting ear plate 204 and the node body plate 203 facilitates the layout of the inclined cable assembly 400. Exemplary, Figure 8 and Fig. 9 A technical solution is shown in which an end column cap node includes two connecting ear plates 204 bent 15° in opposite directions relative to a node main body plate 203, the two connecting ear plates 204 are respectively connected to a cable-stayed cable assembly 400, and the two cable-stayed cable assemblies 400 extend along the planes of their respective corresponding connecting ear plates 204. The two cable-stayed cable assemblies 400 and the end column 201 together form a triangular support structure. The node main body plates 203 are two connected to the connecting ear plates 204 in a one-to-one correspondence, and the plate surface of the node main body plates 203 is parallel to the extension direction of the main cable 100. Optionally, the preset angle between the node main body plate 203 and the connecting ear plate 204 can be 135° to 170°, so that an angle of 20° to 90° can be formed between the two cable-stayed cable assemblies 400 respectively connected to the two connecting ear plates 204, thereby improving the transmission efficiency of the tension of the cable-stayed cable assembly 400 and enhancing the out-of-plane stability. Fig.10 and Fig.11 In order to enhance the structural strength of the end column node, at least one reinforcing rib plate 206 is connected between the two node main plates 203 and between the two connecting ear plates 204. The reinforcing rib plate 206 can be welded to the node main plate 203 and the connecting ear plate 204.

[0077] Combination Fig.10 and Fig.11The connecting ear plate 204 includes a connecting portion 204a, and a connecting hole for connecting to the inclined cable assembly 400 is opened on the connecting portion 204a, and the connecting portion 204a is raised in the direction away from the end column 201. The upwardly raised structure of the connecting portion 204a can make the connection angle between the inclined cable assembly 400 and the end bracket 200 more reasonable, thereby optimizing the stress state of the inclined cable assembly 400, reducing the additional stress concentration caused by improper angles, and enhancing the reliability of the structure; in addition, the upwardly raised structure of the connecting portion 204a can reduce the friction between the inclined cable assembly 400 and the end column node to a certain extent. A column connecting plate 202 can be set at the bottom of the node main plate 203 by welding or the like, and the column connecting plate 202 is fixed to the end column 201 by bolts or other structures, which has a simple structure and is quick to install. Further, combined with Fig. 9 and Fig.10 In the vertical direction, the connection holes and the column connection plate 202 are staggered to further avoid friction between the inclined cable assembly 400 and the column connection plate 202, thereby extending the service life of the inclined cable assembly 400. The present application does not limit the specific angle of the connection portion 204a.

[0078] The connecting ear plate 204 is usually arranged on the side of the node main plate 203 away from the wind-resistant frame structure. When the cross beam 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 ear plate 204 interfering with the rotation of the cross beam 520, Fig.10 and Fig.11 The connecting ear plate 204 includes an avoidance portion 204 b, and the avoidance portion 204 b has an avoidance space for avoiding the rotation of the beam 520.

[0079] Combination Fig. 9 and Fig.10 A drive mounting plate 205 is provided on one side of the node main body plate 203. The drive member 510 is fixed to the drive mounting plate 205 by bolt connection, welding, etc. The drive member 510 may be a reducer. Fig. 9 and Fig.12 The driving member 510 and the cross beam 520 can be connected by bolts or welding through the flange 522 or other components; further, the flange 522 and the cross beam 520 are also reinforced by triangular reinforcement plates, which are specifically arranged on the upper and lower sides of the cross beam 520 and limit the cross beam 520 to improve the stability of the cross beam 520 when it is subjected to unbalanced overturning force. Fig. 9 and Fig.10A welding avoidance notch 205a is also provided on the drive mounting plate 205, and the welding avoidance notch 205a is used to avoid the welding position of the reinforcing rib plate 206 and the connecting ear plate 204, so as to ensure the continuity of the weld between the reinforcing rib plate 206 and the connecting ear plate 204, and at the same time facilitate the on-site welding of the reinforcing rib plate 206 and the connecting ear plate 204 by tools such as a welding gun. The above-mentioned drive mounting plate 205 can extend to the column connecting plate 202 and be connected to the column connecting plate 202 to improve the reliability of the structure.

[0080] Combination Fig. 9 and Fig.11 The node body plate 203 is placed in the vertical direction. Under the prestressed action of the main cable 100 and the stabilizing cable 310, the cross beam 520 makes the force form between the driving member 510 and the driving mounting plate 205 compressive, and the pressure will be transmitted to the node body plate 203, the column connecting plate 202 and the end column 201 in sequence through the driving mounting plate 205. Since the welds on the transmission path all play an auxiliary compressive role, the unfavorable force form of the weld being tensile is avoided, thereby ensuring the reliability of the structure at the end column head node.

[0081] In order to ensure stable force, the center of gravity of the beam 520 located at the end bracket 200, the center of gravity of the driving member 510, the fixed positions of the beam 520 and the driving member 510, and the fixed positions of the driving member 510 and the end column head node should be set on the same straight line; accordingly, the center of gravity of the beam 520 and the driving member 510 located at the middle bracket 210 are both on the same straight line with the center of gravity of the middle bracket 210.

[0082] It should be noted that, since the horizontal tension in the middle of the main cable 100 is smaller than that at the end, the driving member 510 located on the end bracket 200 can use a horizontal reducer, and the driving member 510 located on the middle bracket 210 can use a low-cost vertical reducer to assist the main cable 100 in rotating. Fig.13 and Fig.14 The intermediate support 210 includes an intermediate column 211 and a connecting pipe 213, which are welded together via an intermediate connecting plate 212. The crossbeam 520 and the driving member 510 on the intermediate support 210 are both arranged on the connecting pipe 213, and the driving member 510 is bolted to the crossbeam 520 via a flange. In order to improve the structural strength, a plurality of stiffening plates 214 are arranged 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, in combination 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 a plurality of first 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 is arched upward; there is one lower rod, which is arranged 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 a plurality of first connecting rods 331, which are connected between the first upper rod 334 and the lower rod; there are a plurality of 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. Exemplarily, Figure 4 and Figure 5 There are two first connecting rods 331 and second connecting rods 332, and the first connecting rod 331, the first upper rod 334 and the lower rod form a frame structure, and the second connecting rod 332, the second upper rod 335 and the lower rod form a frame structure. In the embodiment of the present 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 produce and easy to process; or, the first upper rod 334 and the first connecting rod 331 can be an integrated structure, and the second upper rod 335 and the second connecting rod 332 can be an integrated structure, which is convenient for processing and production. The lengths of the first upper rod 334 and the second upper rod 335 are the same, and can be the same or different from the length of the lower rod.

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

[0085] In some embodiments, in combination 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. The second cable 360 ​​connects the top rod 341 and the wind-resistant cable 320. The middle part of the bottom rod 342 is bent toward the top rod 341 to form the above-mentioned arc structure. The second connecting rod 332 is connected between the top rod 341 and the bottom rod 342, and together with the top rod 341 and the bottom rod 342, it forms a frame structure. The plane wind-resistant frame disclosed in the embodiment of the present application has a simple structure, low production cost, and good wind resistance. The arc structure of the bottom rod 342 can avoid the wind-resistant cable 320, so that the wind-resistant cable 320 has a higher arch height, and improves the high clearance advantage of the bottom of the flexible tracking photovoltaic bracket. One of the top rod 341 and the bottom rod 342 and the third connecting rod 343 can be an integrated 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 further includes a second reinforcing rod 344, which is disposed in the frame, and 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 structural strength and wind resistance of the planar wind-resistant frame as a whole. The second reinforcing rod 344 can be welded to the top rod 341 and the bottom rod 342.

[0087] Combination Figure 2 There are multiple first wind-resistant frames 330, which are symmetrically arranged on both sides of the second wind-resistant frame 340, so that the flexible tracking photovoltaic bracket is uniformly stressed, convenient for arrangement, and improves the structural strength. Specifically, a second wind-resistant frame 340 is arranged in the middle 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 the embodiment of the present application includes a photovoltaic assembly 600 and the above-mentioned flexible tracking photovoltaic bracket, and the photovoltaic assembly 600 is multiple and laid on the main cable 100. Since the above-mentioned flexible tracking photovoltaic bracket is included, it also has the above-mentioned structure and beneficial effects, which will not be repeated here.

[0089] Combination Fig.15 and Fig.16In some embodiments disclosed in the present application, the photovoltaic system further includes an operation and maintenance monitoring frame, which includes a mounting bracket 700 and a detection component. The mounting bracket 700 is arranged on the support frame, and can be arranged on the intermediate bracket 210 or the end bracket 200 by a clamp or other connection method; the detection component is arranged on the mounting bracket 700, and the mounting bracket 700 provides an installation position for the detection component, 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 monitoring device camera 703. Among them, the irradiation sensor 706 is used to monitor the light intensity of the current plot; the rain and snow sensor 707 is used to monitor the weather conditions of the current plot; the wind speed and direction sensor 704 is used to monitor the wind speed of the current plot; the monitoring device camera 703 monitors the wind vibration of the photovoltaic component 600 through video, or issues a warning for abnormal events in the plot. The photovoltaic system disclosed in the present application realizes real-time detection of the environment in which the photovoltaic system is located through the setting of the operation and maintenance monitoring frame, which is helpful for managing the photovoltaic system. By adopting the technical solution of directly setting the operation and maintenance monitoring frame on the supporting frame, there is no need to arrange an additional base to install the operation and maintenance monitoring frame, thereby realizing the portable installation of the operation and maintenance monitoring frame and facilitating the subsequent dismantling work; by integrating various detection components instead of distributing them in various places of the photovoltaic system, maintenance is facilitated; each detection component can be specifically set at a different position of the mounting bracket 700 to avoid mutual interference.

[0090] A control box 701, a self-powered energy storage device, and an industrial camera can also be arranged on the mounting bracket 700 to provide technical support for the establishment of an operation and maintenance system for the photovoltaic power station. The control box 701 is equipped with a battery, a gateway, a sensor terminal, etc. for receiving detection information from the detection component. In addition, the operation and maintenance monitoring frame also includes a photovoltaic power supply board 708, which is arranged on the mounting bracket 700 and connected to the detection component to supply power to the detection component.

[0091] According to a further optimized solution, a wing strip 702 for reducing wind vibration is spirally provided on the outer wall of the mounting bracket 700 along the axial direction of the mounting bracket 700 .

[0092] It should be noted that since the mounting bracket 700 is usually higher than the photovoltaic module 600 and is generally located at a higher point in the current plot, lightning protection is also required. Fig.15 The operation and maintenance monitoring frame also includes a lightning rod 705 , which is arranged at the top position of the mounting bracket 700 .

[0093] The terms "first" and "second" and the like in the specification and claims of this application and the above drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may include steps or units that are not listed.

[0094] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be 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 the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flexible tracking photovoltaic bracket, characterized in that: include: A main cable assembly, comprising at least two main cables (100) arranged in parallel; A support assembly, comprising at least two support frames, each of which is arranged at intervals along the extension direction of the main cable (100), and 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) comprises an end column (201) and an end column head node, the end column head node comprises a node body plate (203) and a connecting ear plate (204), the node body plate (203) is arranged on the top of the end column (201), the connecting ear plate (204) and the node body plate (203) are an integrated structure arranged at an angle and connected, and the connecting ear plate (204) is connected to a ground foundation through a cable assembly (400); The tracking assembly (500) comprises a plurality of driving members (510) and a plurality of crossbeams (520), wherein each of the driving members (510) is arranged on each of the node main plates (203) and each of the intermediate brackets (210) in a one-to-one corresponding manner, and the driving members (510) are transmission-connected to the crossbeams (520) in a one-to-one corresponding manner to drive the crossbeams (520) to rotate, and both ends of the main cable (100) are respectively arranged on the crossbeams (520) located at the end brackets (200); The wind-resistant assembly (300) comprises a stabilizing cable (310), a wind-resistant cable (320) and a wind-resistant frame structure, wherein two ends of the stabilizing cable (310) are respectively connected to the cross beams (520) at the two end brackets (200), and the main cable (100) is arranged above the cross beam (520), and the stabilizing cable (310) is arranged below the cross beam (520), and two ends of the wind-resistant cable (320) are respectively connected to 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), and 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 according to claim 1, characterized in that: The two connecting ear plates (204) are symmetrically arranged relative to the main cable (100), the two connecting ear plates (204) are respectively connected to one of the inclined cable assemblies (400), and the two inclined cable assemblies (400) extend along the planes of their respective corresponding connecting ear plates (204).

3. The flexible tracking photovoltaic bracket according to claim 1, characterized in that: The connecting ear plate (204) comprises a connecting portion (204a), the connecting portion (204a) is provided with a connecting hole connected to the inclined cable assembly (400), and the connecting portion (204a) is raised in a direction away from the end column (201).

4. The flexible tracking photovoltaic bracket according to claim 1, characterized in that: The connecting ear plate (204) comprises an avoidance portion (204b), wherein the avoidance portion (204b) has an avoidance space for avoiding the rotational movement of the crossbeam (520).

5. The flexible tracking photovoltaic bracket according to claim 1, characterized in that: The wind-resistant frame structure comprises one or more three-dimensional wind-resistant frames, the top of each three-dimensional wind-resistant frame being connected to the main cable (100), the bottom of each three-dimensional wind-resistant frame being connected to the stabilizing cable (310), and the three-dimensional wind-resistant frame being connected to the wind-resistant cable (320) via a vertical cable, so that the middle position of the wind-resistant cable (320) is arched upwards; Alternatively, the wind-resistant frame structure comprises 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), the bottoms of the first wind-resistant frame (330) and the second wind-resistant frame (340) are both connected to the stabilizing cable (310), and the first wind-resistant frame (330) and the second wind-resistant frame (340) are respectively connected to the wind-resistant cable (320) via a first cable (350) and a second cable (360), and the middle position of the wind-resistant cable (320) is arched upward, and the second wind-resistant frame (340) is arranged at the arched top position of the wind-resistant cable (320), the first wind-resistant frame (330) is a three-dimensional wind-resistant frame, the second wind-resistant frame (340) is a plane wind-resistant frame, and the bottom of the second wind-resistant frame (340) is an arc-shaped structure arched toward the main cable (100).

6. The flexible tracking photovoltaic bracket according to claim 5, characterized in that: The first wind-resistant frame (330) comprises: A first upper rod (334) connected to the main cable (100); A second upper rod (335) is connected to the main cable (100), and a plurality of the first cables (350) are connected between the first upper rod (334) and the anti-wind cable (320), and between the second upper rod (335) and the anti-wind cable (320); A lower rod, which is provided below the first upper rod (334) and the second upper rod (335) and is connected to the stabilizing rope (310); A plurality of first connecting rods (331) 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) further comprises a first reinforcing rod (333), wherein the first reinforcing rod (333) is connected between the first connecting rod (331) and the second connecting rod (332).

8. The flexible tracking photovoltaic bracket according to claim 5, characterized in that: The second wind-resistant frame (340) comprises: A top rod (341) connected to the main cable (100); the second cable (360) connected between the top rod (341) and the wind-resistant cable (320); A bottom rod (342) is arranged below the top rod (341), and a middle portion 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) further includes a second reinforcing rod (344), the second reinforcing rod (344) being arranged in the frame, and a middle portion of the second reinforcing rod (344) being connected to one of the top rod (341) and the bottom rod (342), and both ends of the second reinforcing rod (344) being connected to the other of the top rod (341) and the bottom rod (342).

10. The flexible tracking photovoltaic bracket according to claim 1, characterized in that: The centers of gravity of the crossbeam (520) and the driving 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 centers of gravity of the crossbeam (520) and the driving 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 comprises a photovoltaic component (600) and the flexible tracking photovoltaic bracket according to any one of claims 1 to 10, wherein there are a plurality of photovoltaic components (600), and each of the photovoltaic components (600) is laid on the main cable (100).

12. The photovoltaic system according to claim 11, characterized in that: It also includes an operation and maintenance monitoring frame, which includes: A mounting bracket (700) is arranged on the support frame; A detection component is arranged on the mounting bracket (700), and the detection component comprises at least one of a radiation sensor (706), a rain and snow sensor (707), a wind speed and direction sensor (704), and a monitoring camera.

13. The photovoltaic system according to claim 12, characterized in that: The operation and maintenance monitoring frame also includes a photovoltaic power supply panel (708), wherein the photovoltaic power supply panel (708) is arranged on the mounting bracket (700) and is electrically connected to the detection component to supply power to the detection component.

14. The photovoltaic system according to claim 12, characterized in that: A wing strip (702) for reducing wind vibration is spirally arranged on the outer wall of the mounting bracket (700); And / or, the operation and maintenance monitoring frame further comprises a lightning rod (705), and the lightning rod (705) is arranged on the mounting bracket (700).

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