A flexible photovoltaic tracking bracket and photovoltaic system

Abstract

The present application discloses a flexible photovoltaic tracking bracket and a photovoltaic system, which relates to the field of photovoltaic technology, including a main cable assembly, a support structure, a drive assembly and a wind-resistant assembly; the main cable assembly includes at least two parallel main cables; the support structure includes at least two for anchoring the main cable assembly; the drive assembly includes a crossbeam assembly and a drive member, the crossbeam assembly is rotationally connected to the support structure, and the two ends of the main cable assembly are respectively fixed on the crossbeam assembly, and the drive member is transmission-connected to the crossbeam assembly; the wind-resistant assembly includes a stabilizing cable assembly and a wind-resistant frame, the stabilizing cable assembly includes at least one stabilizing cable, the two ends of the stabilizing cable are respectively fixed on the crossbeam assembly, the first side of the wind-resistant frame is connected to each main cable, and the second side of the wind-resistant frame is connected to the stabilizing cable. The flexible photovoltaic tracking bracket provided by the present application improves the stability of the flexible photovoltaic tracking bracket while ensuring the effective light-receiving area of ​​the photovoltaic panel.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic technology, and more specifically, to a flexible photovoltaic tracking bracket and a photovoltaic system. Background Art

[0002] In order to enable photovoltaic panels to receive more sunlight, traditional flexible photovoltaic systems usually drive the photovoltaic panels to adjust their own angles according to the movement of the sun, so that the photovoltaic panels have a larger light-receiving surface and improve the power generation efficiency. In order to improve the wind resistance of the , a wind-resistant bracket is generally set on it, and in order to prevent the wind-resistant bracket from being sucked and lifted by the wind, the wind-resistant bracket is usually connected to the anchor through a vertical cable to limit the vertical displacement of the wind-resistant bracket when it is sucked and lifted by the wind. At the same time, in order to meet the rotation requirements, the wind-resistant bracket needs to be provided with an arc rod at the bottom, and the arc rod is connected to the vertical cable through a sliding mechanism. When it is subjected to a large wind suction, the sliding mechanism cannot slide smoothly, resulting in poor stability.

[0003] In addition, the ground anchor is usually set at the mid-span position, which makes it impossible to fully utilize the advantages of the large span and large space of the flexible support.

[0004] Therefore, how to improve the stability of the flexible photovoltaic bracket while ensuring the effective light-receiving area of ​​the photovoltaic panel has become a technical problem that needs to be urgently solved by technical personnel in this field. Summary of the invention

[0005] In view of this, the purpose of the present application is to provide a flexible photovoltaic tracking bracket to improve the stability of the flexible photovoltaic tracking bracket while ensuring the effective light-receiving area of ​​the photovoltaic panel.

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

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

[0008] A flexible photovoltaic tracking bracket, comprising:

[0009] A main cable assembly, the main cable assembly comprising at least two main cables arranged in parallel, the main cables being used to place photovoltaic panels;

[0010] A support structure, the support structure comprising at least two, for anchoring the main cable assembly to bear the tension from the main cable assembly and transmit it to the ground foundation;

[0011] A driving assembly, the driving assembly comprising a crossbeam assembly and a driving member, the crossbeam assembly is rotatably connected to the supporting structure, and both ends of the main cable assembly are respectively fixed to the crossbeam assembly, and the driving member is transmission-connected to the crossbeam assembly to drive the crossbeam assembly to rotate;

[0012] A wind-resistant assembly, the wind-resistant assembly includes a stabilizing cable assembly and a wind-resistant frame, the stabilizing cable assembly includes at least one stabilizing cable, and the stabilizing cable is located below the main cable, both ends of the stabilizing cable are respectively fixed on the beam assembly, the wind-resistant frame has a first side and a second side that are relatively arranged, and the first side of the wind-resistant frame is connected to each of the main cables, and the second side of the wind-resistant frame is connected to the stabilizing cable.

[0013] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the wind-resistant component also includes a wind-resistant cable and a vertical cable, both ends of the wind-resistant cable are respectively connected to the supporting structure, and the wind-resistant cable is connected to the wind-resistant frame through the vertical cable so that the middle part of the wind-resistant cable is arched upward.

[0014] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the vertical cable is connected to the rotation center position of the wind-resistant frame.

[0015] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the wind-resistant frame includes at least one planar wind-resistant frame, and the planar wind-resistant frame includes an upper chord, a lower chord and a first connecting rod, and the two ends of the upper chord are respectively connected to the two ends of the lower chord through the first connecting rod.

[0016] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, at least one second connecting rod is further provided between the upper chord and the lower chord, and the second connecting rod is located between the two first connecting rods.

[0017] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the wind-resistant frame includes two planar wind-resistant frames, and the two planar wind-resistant frames share one lower chord.

[0018] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the wind-resistant frame includes one or more, and at least one of the wind-resistant frames is located in the middle position between two adjacent supporting structures.

[0019] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the wind-resistant frame includes multiple wind-resistant frames, each of which is spaced between two adjacent supporting structures, and the wind-resistant frame located on one side close to the supporting structure is a first wind-resistant frame, and the wind-resistant frame located in the middle position of the two supporting structures is a second wind-resistant frame, and the vertical distance between the upper chord and the lower chord of the second wind-resistant frame is greater than the vertical distance between the upper chord and the lower chord of the first wind-resistant frame.

[0020] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the upper chord includes a supporting part and a connecting part arranged at both ends of the supporting part, an angle is formed between the connecting part and the supporting part, the connecting part of the upper chord is fixedly connected to the main cable through a connecting piece, and the lower chord is fixedly connected to the stabilizing cable through the connecting piece, so that the wind-resistant frame rotates synchronously with the main cable and the stabilizing cable.

[0021] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the connecting member includes a base and a U-shaped lock matched with the base, and a penetration area is formed between the U-shaped lock and the base.

[0022] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the support structure includes an end support structure and a middle support structure, the beam assembly includes an end beam and a middle beam, the end beam can be rotatably set on the end support structure, and the middle beam can be rotatably set on the middle support structure.

[0023] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the end support structure includes a first support rod and two second support rods arranged intersectingly, the first end of the first support rod and the first end of the second support rod are both connected to the ground foundation, the second end of the first support rod and the second end of the second support rod are connected through a first mounting seat, the driving member is installed on the first mounting seat, and the end cross beam can rotate relative to the first mounting seat.

[0024] Optionally, in the above-mentioned flexible photovoltaic tracking bracket, the middle supporting structure includes a column, and the first end of the column is connected to the ground, the second end of the column is provided with a second mounting seat, the driving member is installed on the second mounting seat, and the middle beam can rotate synchronously with the end beam relative to the second mounting seat.

[0025] A photovoltaic system comprises a photovoltaic panel and a flexible photovoltaic tracking bracket as described in any one of the above items, wherein there are multiple photovoltaic panels, and each photovoltaic panel is laid on the main cable.

[0026] The flexible photovoltaic tracking bracket provided by the present application is achieved by laying photovoltaic panels on at least two parallel main cables of the main cable assembly, and anchoring the two ends of the main cable assembly through at least two supporting structures to withstand the tension from the main cable assembly and transmit it to the ground foundation. In addition, a crossbeam assembly is rotatably connected to the supporting structure, and the two ends of the main cable assembly are respectively fixed to the crossbeam assembly, and the driving member is transmission-connected to the crossbeam assembly to drive the crossbeam assembly to rotate, and then the photovoltaic panel on the main cable can be driven to rotate to adjust the angle of the photovoltaic panel and ensure a larger effective light-receiving area of ​​the photovoltaic panel. In addition, by connecting the first side of the wind-resistant frame to each main cable, and the second side of the wind-resistant frame to the stabilizing cable in the stabilizing cable assembly, the wind-resistant frame can be connected to the main cable and the stabilizing cable respectively to form an integral spatial structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket. It can be seen from the above examples that the flexible photovoltaic tracking bracket provided in the present application can drive the photovoltaic panel on the main cable to rotate by rotating the crossbeam assembly, and then adjust the angle of the photovoltaic panel to ensure a larger effective light-receiving area of ​​the photovoltaic panel. In addition, it is connected to the main cable and the stabilizing cable respectively through the wind-resistant frame to form an overall spatial structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket.

[0027] 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

[0028] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be 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.

[0029] Figure 1 A schematic diagram of the structure of a photovoltaic system provided in an embodiment of the present application;

[0030] Figure 2 A front view of a flexible photovoltaic tracking bracket provided in an embodiment of the present application;

[0031] Figure 3 A top view of a flexible photovoltaic tracking bracket provided in an embodiment of the present application;

[0032] Figure 4 A schematic diagram of the assembly of a first wind-resistant frame provided in an embodiment of the present application;

[0033] Figure 5 An axonometric diagram of a first wind-resistant frame provided in an embodiment of the present application;

[0034] Figure 6 A front view of a first wind-resistant frame provided in an embodiment of the present application;

[0035] Figure 7 A side view of a first wind-resistant frame provided in an embodiment of the present application;

[0036] Figure 8 A top view of a first wind-resistant frame provided in an embodiment of the present application;

[0037] Fig. 9 A schematic diagram of the assembly of a second wind-resistant frame provided in an embodiment of the present application;

[0038] Fig.10 An axonometric diagram of a second wind-resistant frame provided in an embodiment of the present application;

[0039] Fig.11 A front view of a second wind-resistant frame provided in an embodiment of the present application;

[0040] Fig.12 A side view of a second wind-resistant frame provided in an embodiment of the present application;

[0041] Fig.13 A top view of a second wind-resistant frame provided in an embodiment of the present application;

[0042] Fig.14 A schematic diagram of the structure of the connection between the end cross beam and the end support structure provided in an embodiment of the present application;

[0043] Fig.15 A schematic diagram of the structure of a first mounting base provided in an embodiment of the present application;

[0044] Fig.16 A schematic diagram of the structure of the connection between the middle cross beam and the middle support structure provided in an embodiment of the present application;

[0045] Fig.17 A schematic diagram of the structure of a second mounting base provided in an embodiment of the present application;

[0046] Fig.18 An exploded view of a connector provided in an embodiment of the present application.

[0047] Among them, 100 is the main cable assembly, 101 is the main cable;

[0048] 200 is a support structure, 201 is an end support structure, 2011 is a first support rod, 2012 is a second support rod, 2013 is a first mounting seat, 2014 is a first mounting portion, 2015 is a second mounting portion, 2016 is a connecting ear plate, 202 is a middle support structure, 2021 is a column, 2022 is a second mounting seat, and 2023 is a reinforcing plate;

[0049] 300 is a beam assembly, 301 is an end beam, and 302 is a middle beam;

[0050] 400 is a stabilizing cable assembly, and 401 is a stabilizing cable;

[0051] 500 is a wind-resistant component, 501 is a wind-resistant frame, 5011 is a plane wind-resistant frame, 502 is a wind-resistant cable, 503 is a vertical cable, 504 is a first wind-resistant frame, 505 is a second wind-resistant frame, 506 is an upper chord rod, 5061 is a supporting portion, 5062 is a connecting portion, 507 is a lower chord rod, 508 is a first connecting rod, 509 is a second connecting rod, 510 is a connecting piece, 5101 is a base, 5102 is a U-shaped lock buckle, 5103 is a washer, and 5104 is a nut;

[0052] 600 is a driving member, 601 is a driving motor, and 602 is a rotary reducer;

[0053] 700 are photovoltaic panels. DETAILED DESCRIPTION

[0054] The core of this application is to provide a flexible photovoltaic tracking bracket to improve the stability of the flexible photovoltaic tracking bracket while ensuring the effective light-receiving area of ​​the photovoltaic panel.

[0055] Another core of the present application is to provide a photovoltaic system having the above-mentioned flexible photovoltaic tracking bracket.

[0056] 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.

[0057] In order to enable photovoltaic panels to receive more sunlight, traditional flexible photovoltaic systems usually drive the photovoltaic panels to adjust their own angles according to the movement of the sun, so that the photovoltaic panels have a larger light-receiving surface and improve power generation efficiency.

[0058] In order to improve the wind resistance performance, a wind-resistant bracket is generally set on the top, and in order to prevent the wind-resistant bracket from being sucked and lifted by the wind, the wind-resistant bracket is usually connected to the ground anchor through a vertical cable to limit the vertical displacement of the wind-resistant bracket when it is sucked and lifted by the wind. At the same time, in order to meet the rotation requirements, the wind-resistant bracket needs to be provided with an arc rod at the bottom, and the arc rod is connected to the vertical cable through a sliding mechanism.

[0059] Traditionally, when subjected to strong wind suction, the sliding mechanism cannot slide smoothly, resulting in poor stability. In addition, the ground anchor is usually set at the mid-span position, which makes it impossible to fully utilize the advantages of the flexible bracket's large span and large space.

[0060] For this reason, Figure 1 As shown, the embodiment of the present application discloses a flexible photovoltaic tracking bracket, including a main cable assembly 100, a support structure 200, a driving assembly and a wind-resistant assembly 500. The photovoltaic panel 700 on the main cable 101 is driven to rotate by rotating the crossbeam assembly 300, and then the angle of the photovoltaic panel 700 can be adjusted to ensure a larger effective light-receiving area of ​​the photovoltaic panel 700. In addition, the wind-resistant frame 501 is respectively connected to the main cable 101 and the stabilizing cable 401 to form an integral spatial structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket.

[0061] The following will be combined Figures 1 to 18 The flexible photovoltaic tracking bracket disclosed in the embodiment of the present application is specifically explained and illustrated.

[0062] Among them, Figure 1 and Figure 3 As shown, the main cable assembly 100 may include at least two parallel main cables 101, so that the photovoltaic panel 700 is laid on the main cables 101 and rigidly connected to the main cables 101. The main cables 101 may be, but are not limited to, two parallel main cables, or may be four or more main cables, to ensure the stability of the connection of the photovoltaic panel 700.

[0063] like Figures 1 to 3 As shown, the support structure 200 may include at least two, and the two support structures 200 are respectively located at both ends of the main cable assembly 100 to anchor the main cable assembly 100, so as to withstand the tension from the main cable assembly and transmit it to the ground foundation. Of course, the support structure 200 may be used but not limited to two, and may also be three, four or more to form a multi-span flexible photovoltaic tracking bracket. The specific number of support structures 200 can be determined according to the span of the flexible photovoltaic tracking bracket.

[0064] At the same time, if Figure 1As shown, the driving assembly includes a beam assembly 300 and a driving member 600, and the beam assembly 300 is rotatably connected to the supporting structure 200, both ends of the main cable assembly 100 are respectively fixed on the beam assembly 300, and the driving member 600 is transmission-connected to the beam assembly 300, so as to drive the beam assembly 300 to rotate through the driving member 600, thereby driving the photovoltaic panel 700 on the main cable 101 to rotate, and then the angle of the photovoltaic panel 700 can be adjusted to ensure a larger effective light-receiving area of ​​the photovoltaic panel 700.

[0065] In order to improve the wind resistance and stability of the flexible photovoltaic tracking bracket, Figures 1 to 3 As shown, a wind-resistant component 500 is provided on the flexible photovoltaic tracking bracket. The wind-resistant component 500 may include a stabilizing cable component 400 and a wind-resistant frame 501. The stabilizing cable component 400 may include at least one stabilizing cable 401, and the stabilizing cable 401 is located below the main cable 101, and both ends of the stabilizing cable 401 are respectively fixed to the crossbeam component 300. The wind-resistant frame 501 is respectively connected to the stabilizing cable 401 and the main cable 101 to form an integral spatial structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket. For ease of understanding, the upper and lower sides of the wind-resistant frame 501 are defined as the first side and the second side, respectively, and the first side of the wind-resistant frame 501 is rigidly connected to each main cable 101, and the second side of the wind-resistant frame 501 is rigidly connected to each stabilizing cable 401, thereby forming an overall spatial structure, which improves the overall stability of the flexible photovoltaic tracking bracket, and can effectively resist the distortion and collision of the photovoltaic panel 700 caused by wind load, snow load and gravity load, reduce the risk of damage to the photovoltaic panel 700 due to wind force, and at the same time reduce the risk of hidden cracks and flipping of the photovoltaic panel 700.

[0066] Among them, the stabilizing cable 401 may be used but not limited to one, and may also be used in two, three, four or more, so as to improve the overall stability of the flexible photovoltaic tracking bracket. Preferably, two stabilizing cables 401 may be used, and the two stabilizing cables 401 are respectively located below the two main cables 101, so that the first side of the wind-resistant frame 501 can be rigidly connected to the two main cables 101, and the second side of the wind-resistant frame 501 can be rigidly connected to the two stabilizing cables 401, so as to form a four-cable space cage structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket.

[0067] In order to prevent the wind-resistant frame 501 from being vertically displaced by wind suction and wind lifting, Figures 1 to 3As shown, the wind-resistant assembly 500 may also include a wind-resistant cable 502 and a vertical cable 503, and the two ends of the wind-resistant cable 502 are respectively connected to the supporting structure 200, and the wind-resistant cable 502 is connected to the wind-resistant frame 501 through the vertical cable 503, so that the middle part of the wind-resistant cable 502 is arched upward, and while limiting the vertical displacement of the wind-resistant frame 501 caused by wind suction and wind lifting, the space below the photovoltaic panel 700 of the flexible photovoltaic tracking bracket can be released, thereby improving the space utilization rate under the photovoltaic panel 700 of the flexible photovoltaic tracking bracket, and increasing the span of the flexible photovoltaic tracking bracket. In addition, when downward loads such as gravity load, snow load, and wind pressure act, the vertical cable 503 and the anti-arch wind-resistant cable 502 are in a compression trend, and will not generate internal force in the photovoltaic system, and will not affect the rotation of the wind-resistant frame 501.

[0068] It should be noted that both ends of the wind-resistant cable 502 can be connected to the ground, or connected to the supporting structure 200 at both ends of the main cable assembly 100. Preferably, both ends of the wind-resistant cable 502 are connected to the supporting structure 200 to improve the convenience of construction. The wind-resistant cable 502 can be connected to the supporting structure 200 in the form of ear plates or clamps.

[0069] It can be seen from the above embodiment that the photovoltaic panel 700 on the main cable 101 is rotated by rotating the crossbeam assembly 300, and the angle of the photovoltaic panel 700 can be adjusted to ensure a larger effective light receiving area of ​​the photovoltaic panel 700. In addition, the spatial cage structure of the four cables improves the overall stability of the flexible photovoltaic tracking bracket. At the same time, the wind-resistant frame 501 is connected to the wind-resistant cable 502 through the vertical cable 503, so that the middle part of the wind-resistant cable 502 is arched upward, which can improve the space utilization rate under the photovoltaic panel 700 of the flexible photovoltaic tracking bracket while limiting the vertical displacement of the wind-resistant frame 501 caused by wind suction and wind lifting, and improve the span of the flexible photovoltaic tracking bracket.

[0070] In some embodiments, Figure 1 As shown, the wind-resistant frame 501 may include at least one plane wind-resistant frame 5011. Figure 4 and Fig. 9As shown, the plane wind-resistant frame 5011 may include an upper chord 506, a lower chord 507 and a first connecting rod 508, and the upper chord 506 is arranged in parallel with the lower chord 507, and the lower chord 507 is located below the upper chord 506. At the same time, the two ends of the upper chord 506 can be connected to the two ends of the lower chord 507 through the first connecting rod 508 to form a plane truss system. Two main cables 101 can be connected to the two ends of the upper chord 506, and the stabilizing cable 401 can be connected to the lower chord 507 at the same time, and when there are two stabilizing cables 401, the two stabilizing cables 401 can be connected to the two ends of the lower chord 507 to form a four-cable space cage structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket. It should be noted that when there is one stabilizing cable 401, the stabilizing cable 401 can be connected to the middle position of the lower chord 507 to form a three-cable space structure. Of course, three, four or more stabilizing cables 401 may be used, and each stabilizing cable 401 may be connected to the lower chord 507 at intervals, which will not be described in detail herein.

[0071] In addition, if Figure 4 , Figure 6 and Fig. 9 As shown, the vertical cable 503 can be connected to the rotation center of the wind-resistant frame 501. When upward loads such as wind suction and wind lifting act, the upper node of the vertical cable 503 will not be displaced when the wind-resistant frame 501 rotates with the main cable 101, so that the vertical cable 503 can only play a vertical restraining role on the wind-resistant frame 501, and no additional torque will be generated due to the rotation of the wind-resistant frame 501. Specifically, the vertical cable 503 can be connected to the rotation center of the midpoint position of the upper chord 506. Among them, one end of the vertical cable 503 can be connected to the rotation center of the upper chord 506 through a U-shaped shackle, and the other end of the vertical cable 503 can be connected to the wind-resistant cable 502 through a connector 510.

[0072] In some embodiments, Figures 5 to 8As shown, in order to improve the overall stability of the plane wind-resistant frame 5011, at least one second connecting rod 509 is further arranged between the upper chord 506 and the lower chord 507 of the plane wind-resistant frame 5011, so that a triangular structure is formed between the first connecting rod 508 and the adjacent second connecting rod 509 and the upper chord 506 or the lower chord 507, thereby improving the overall stability of the plane wind-resistant frame 5011. Among them, the second connecting rod 509 can be one, two or more. For ease of understanding, the two ends of the upper chord 506 are defined as the first end and the second end, respectively, and the two ends of the lower chord 507 are defined as the first end and the second end, respectively, wherein the first end of the upper chord 506 is on the same side as the first end of the lower chord 507, and the second end of the upper chord 506 is on the same side as the second end of the lower chord 507. Furthermore, the first end of the upper chord 506 and the first end of the lower chord 507 may be connected via the first connecting rod 508, and the second end of the upper chord 506 and the second end of the lower chord 507 may be connected via the first connecting rod 508. Meanwhile, when only one second connecting rod 509 is used, the second connecting rod 509 may be connected to different sides of the upper chord 506 and the lower chord 507, that is, one end of the second connecting rod 509 is connected to the first end of the upper chord 506, and the other end of the second connecting rod 509 is connected to the second end of the lower chord 507, or one end of the second connecting rod 509 is connected to the second end of the upper chord 506, and the other end of the second connecting rod 509 is connected to the first end of the lower chord 507, so that a triangular structure is formed between the first connecting rod 508 and the adjacent second connecting rod 509 and the upper chord 506 or the lower chord 507, so as to improve the overall stability of the plane wind-resistant frame 5011.

[0073] Preferably, if Figure 6 As shown, two second connecting rods 509 can be used, and one end of the two second connecting rods 509 is respectively connected to the first end and the second end of the upper chord 506, and the other ends of the two second connecting rods 509 can intersect at the midpoint of the lower chord 507, so that a triangular structure is formed between the first connecting rod 508 and the adjacent second connecting rod 509 and the upper chord 506 or the lower chord 507, thereby improving the overall stability of the planar wind-resistant frame 5011.

[0074] In some embodiments, Figure 1As shown, in order to improve the overall stability of the wind-resistant frame 501, the wind-resistant frame 501 may include two planar wind-resistant frames 5011, and the two planar wind-resistant frames 5011 may be arranged in parallel along the extension direction of the main cable 101, or may be arranged to form a certain angle along the extension direction of the main cable 101, and at the same time, the two planar wind-resistant frames 5011 may be connected by a third connecting rod, so that the two planar wind-resistant frames 5011 are connected to form an integral spatial truss structure, wherein the two ends of the upper chord 506 and the two ends of the lower chord 507 of the two planar wind-resistant frames 5011 may be connected by the third connecting rod respectively, and each third connecting rod may be arranged in parallel or crosswise, or the upper chord 506 of the two planar wind-resistant frames 5011 are connected by a third connecting rod, and the lower chord 507 of the two planar wind-resistant frames 5011 are connected by a third connecting rod, and the third connecting rod connecting the upper chord 506 and the third connecting rod connecting the lower chord 507 may be crosswise arranged or parallel.

[0075] Preferably, if Figures 9 to 13 As shown, the two planar wind-resistant frames 5011 are arranged to form a certain angle along the extension direction of the main cable 101, and the two planar wind-resistant frames 5011 can share a lower chord 507, that is, the lower chord 507 can be located directly below the central axes of the two planes where the upper chords 506 of the two planar wind-resistant frames 5011 are located, and one end of the first connecting rod 508 of the two planar wind-resistant frames 5011 is respectively connected to the end of the upper chord 506 of the two planar wind-resistant frames 5011, and the other end of the first connecting rod 508 of the two planar wind-resistant frames 5011 intersects with the end of the lower chord 507 to form a V-shaped structure, so that the wind-resistant frame 501 presents an inverted triangular cone space truss structure, thereby improving the overall stability of the wind-resistant frame 501 while reducing the number of rods and saving costs.

[0076] More preferably, if Figures 4 to 8 As shown, when the number of the second connecting rods 509 of each planar wind-resistant frame 5011 is two, one end of the two second connecting rods 509 can be connected to the first end and the second end of the upper chord 506 respectively, and the other ends of the two second connecting rods 509 can intersect at the midpoint of the lower chord 507, so that the second connecting rods 509 of the two planar wind-resistant frames 5011 are radially distributed, thereby further improving the overall stability of the wind-resistant frame 501. It should be noted that the number of the second connecting rods 509 of each planar wind-resistant frame 5011 can also be one, three or more, or the two planar wind-resistant frames 5011 can use different numbers of second connecting rods 509.

[0077] Of course, in the above embodiment, the two planar wind-resistant frames 5011 may also share one upper chord 506, so that the wind-resistant frame 501 is a regular triangular cone space truss structure, which will not be described in detail herein.

[0078] It should be noted that the wind-resistant frame 501 may also include three, four or more plane wind-resistant frames 5011, and each plane wind-resistant frame 5011 may be connected by a third connecting rod to form an integral space truss structure. Of course, each plane wind-resistant frame 5011 may also share a lower chord 507 or an upper chord 506.

[0079] In order to connect the wind-resistant frame 501, the main cable 101 and the stabilizing cable 401 to form an integral spatial structure, one or more wind-resistant frames 501 may be used.

[0080] In some embodiments, one wind-resistant frame 501 may be used, and the wind-resistant frame 501 may be located at the middle position between two adjacent supporting structures 200, so that the lower chord 507 of the wind-resistant frame 501 arches the middle position of the stabilizing cable 401 downward, so that the wind-resistant frame 501, the main cable 101 and the stabilizing cable 401 are connected to form an overall spatial structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket.

[0081] In some embodiments, Figures 1 to 3 As shown, a plurality of wind-resistant frames 501 can be arranged between two adjacent support structures 200 to improve the wind resistance of the flexible photovoltaic tracking bracket. At the same time, each wind-resistant frame 501 can be distributed between two adjacent support structures 200 at intervals. For ease of understanding, the wind-resistant frame 501 located on one side close to the support structure 200 is defined as the first wind-resistant frame 504, and the wind-resistant frame 501 located at the middle position of the two support structures 200 is defined as the second wind-resistant frame 505, and the vertical distance between the upper chord 506 and the lower chord 507 of the second wind-resistant frame 505 is greater than the vertical distance between the upper chord 506 and the lower chord 507 of the first wind-resistant frame 504, so that the middle position of the stabilizing cable 401 is arched downward through the lower chord 507 of the second wind-resistant frame 505, so that the wind-resistant frame 501, the main cable 101 and the stabilizing cable 401 can be connected to form an integral spatial structure, thereby improving the overall stability of the flexible photovoltaic tracking bracket. It should be noted that, in the above embodiments, the number of wind-resistant frames 501 may be two, three, four or more.

[0082] In some embodiments, Figure 4 and Fig. 9As shown, the upper chord 506 includes a support portion 5061 and a connecting portion 5062 disposed at both ends of the support portion 5061, and the first connecting rod 508 and the second connecting rod 509 can be connected to the support portion 5061, and an angle greater than 90° is formed between the connecting portion 5062 and the support portion 5061, so that the connecting portion 5062 of the upper chord 506 and the main cable 101 can be fixedly connected through the connecting member 510. At the same time, the lower chord 507 and the stabilizing cable 401 can be fixedly connected through the connecting member 510, so that the windproof frame 501 rotates synchronously with the main cable 101 and the stabilizing cable 401. Among them, the connecting portion 5062 and the support portion 5061 can be a split structure, and the upper chord 506 is formed by welding. Of course, the connecting portion 5062 and the support portion 5061 can also be an integrated structure, and the upper chord 506 can be formed by bending, which is not limited herein.

[0083] In some embodiments, Fig.18 As shown, the connecting member 510 may include a base 5101 and a U-shaped lock 5102 matched with the base 5101, and a penetration area is formed between the U-shaped lock 5102 and the base 5101. When connecting the upper chord 506 and the main cable 101, the main cable 101 is passed through the U-shaped lock 5102, and the two ends of the U-shaped lock 5102 are sequentially passed through the two through holes opened on the connecting portion 5062 of the upper chord 506 and the mounting hole of the base 5101, and after washers 5103 are sleeved on the two ends of the U-shaped lock 5102, nuts 5104 are used to cooperate with the two ends of the U-shaped lock 5102 until the upper chord 506 and the main cable 101 are locked. Similarly, when connecting the lower chord 507 and the stabilizing cable 401, the stabilizing cable 401 is passed through the U-shaped lock buckle 5102, and the two ends of the U-shaped lock buckle 5102 are passed through the two through holes opened on the lower chord 507 and the mounting hole of the base 5101 in turn, and after washers 5103 are sleeved on both ends of the U-shaped lock buckle 5102, nuts 5104 are used to cooperate with the threads at both ends of the U-shaped lock buckle 5102 until the lower chord 507 and the stabilizing cable 401 are locked.

[0084] In some embodiments, Figure 1 and Figure 2As shown, the support structure 200 may include an end support structure 201 located at the end and a middle support structure 202 located between the two end support structures 201. The beam assembly 300 includes an end beam 301 and a middle beam 302, wherein the end beam 301 can be rotatably arranged on the end support structure 201, and the middle beam 302 can be rotatably arranged on the middle support structure 202. The driving member 600 can be arranged on any one of the end support structure 201 and the middle support structure 202, or the driving member 600 can be arranged on both the end support structure 201 and the middle support structure 202. It should be noted that when the span of the flexible photovoltaic tracking bracket is small, only the end support structure 201 can be arranged, and the middle support structure 202 is not required.

[0085] In the above embodiment, if Fig.14 and Fig.16 As shown, the driving member 600 may include a driving motor 601 and a rotary reducer 602, so that the driving motor 601 can provide power for the rotary reducer 602, and the rotary reducer 602 is connected to the beam assembly 300 in a transmission manner to drive the beam assembly 300 to rotate, thereby driving the main cable 101 and the stabilizing cable 401 connected to the beam assembly 300 to rotate, so as to adjust the angle of the photovoltaic panel 700, ensure a larger light receiving area of ​​the photovoltaic panel 700, and improve the power generation efficiency. Among them, the rotary reducer 602 can be a worm gear rotary reducer.

[0086] In some embodiments, Fig.14 As shown, the end support structure 201 may include a first support rod 2011 and two second support rods 2012 arranged to intersect each other, the first end of the first support rod 2011 and the first end of the second support rod 2012 are both connected to the ground foundation, and the second end of the first support rod 2011 and the second end of the second support rod 2012 are connected through a first mounting seat 2013 to form a tripod structure, and the driving member 600 can be installed on the first mounting seat 2013 to drive the end cross beam 301 to rotate relative to the first mounting seat 2013. Specifically, as Fig.15 As shown, the first mounting seat 2013 may include a first mounting portion 2014, a second mounting portion 2015 and a connecting lug plate 2016. The second end of the first support rod 2011 is connected to the first mounting portion 2014 in a detachable manner, such as a flange connection or a bolt connection, and the second ends of the two second support rods 2012 are respectively connected to the two connecting lug plates 2016 of the first mounting seat 2013. The rotary reducer 602 of the driving member 600 can be connected to the second mounting portion 2015 by a flange connection to drive the end crossbeam 301 to rotate relative to the first mounting seat 2013.

[0087] In some embodiments, Fig.16As shown, the middle support structure 202 may include a column 2021, and the first end of the column 2021 is connected to the ground foundation, and the second end of the column 2021 is provided with a second mounting seat 2022, and the driving member 600 may be installed on the second mounting seat 2022 to drive the middle cross beam 302 to rotate synchronously with the end cross beam 301 relative to the second mounting seat 2022. Specifically, as Fig.17 As shown, the second mounting seat 2022 is an L-shaped structure as a whole, and the rotary reducer 602 can be set on the vertical surface of the second mounting seat 2022. At the same time, the horizontal surface of the second mounting seat 2022 and the second end of the column 2021 can be connected by bolts or other fasteners. In order not to affect the rotation of the middle cross beam 302, the position where the middle cross beam 302 cooperates with the second mounting seat 2022 is arranged in an upward convex manner, as shown in FIG. Fig.16 Meanwhile, in order to ensure the structural strength of the second mounting base 2022 , the second mounting base 2022 may be provided with a reinforcing plate 2023 .

[0088] In some embodiments, Fig.14 and Fig.16 As shown, one end of the main cable 101 can pass through the end cross beam 301 and be fixed by a cable anchor, wherein the cable anchor abuts against the end cross beam 301 to tighten the main cable 101, and the other end of the main cable 101 can be fixed to the upper surface of the middle cross beam 302 through a connector 510. Similarly, one end of the stabilizing cable 401 can pass through the end cross beam 301 and be fixed by a cable anchor to prevent the stabilizing cable 401 from escaping from the end cross beam 301, and the other end of the stabilizing cable 401 can be fixed to the upper surface of the middle cross beam 302 through a connector 510.

[0089] The present application also discloses a photovoltaic system, including a photovoltaic panel 700 and a flexible photovoltaic tracking bracket disclosed in the above embodiment. Therefore, the flexible photovoltaic tracking bracket has all the technical effects of the above flexible photovoltaic tracking bracket, which will not be described in detail herein. Figure 1 As shown, a plurality of photovoltaic panels 700 can be used, each photovoltaic panel 700 is laid on the main cable 101 and rigidly connected to the main cable 101, so that the angle of the photovoltaic panel 700 can be adjusted by rotating the main cable 101 to ensure a larger light receiving area of ​​the photovoltaic panel 700 and improve the power generation efficiency. It should be noted that Figure 1 The laying of the photovoltaic panels 700 shown is only an example and does not represent the situation after all the laying is completed and the laying intervals, etc.

[0090] 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.

[0091] 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 photovoltaic tracking bracket, characterized in that: include: A main cable assembly (100), the main cable assembly (100) comprising at least two main cables (101) arranged in parallel, the main cables (101) being used to place a photovoltaic panel (700); A support structure (200), the support structure (200) comprising at least two, used to anchor the main cable assembly (100) so as to bear the tension from the main cable assembly (100) and transmit it to a ground foundation; a driving assembly, the driving assembly comprising a crossbeam assembly (300) and a driving member (600), the crossbeam assembly (300) being rotatably connected to the supporting structure (200), and two ends of the main cable assembly (100) being respectively fixed to the crossbeam assembly (300), and the driving member (600) being transmission-connected to the crossbeam assembly (300) to drive the crossbeam assembly (300) to rotate; A wind-resistant assembly (500), the wind-resistant assembly (500) comprising a stabilizing cable assembly (400) and a wind-resistant frame (501), the stabilizing cable assembly (400) comprising at least one stabilizing cable (401), and the stabilizing cable (401) being located below the main cable (101), two ends of the stabilizing cable (401) being respectively fixed to the crossbeam assembly (300), the wind-resistant frame (501) having a first side and a second side arranged opposite to each other, the first side of the wind-resistant frame (501) being connected to each of the main cables (101), and the second side of the wind-resistant frame (501) being connected to the stabilizing cable (401); The wind-resistant frame (501) comprises two planar wind-resistant frames (5011), wherein the planar wind-resistant frames (5011) comprise an upper chord (506), a lower chord (507) and a first connecting rod (508), wherein two ends of the upper chord (506) are respectively connected to two ends of the lower chord (507) via the first connecting rod (508), and the two planar wind-resistant frames (5011) share one lower chord (507); The wind-resistant frames (501) include a plurality of wind-resistant frames (501), each of which is spaced apart and distributed between two adjacent supporting structures (200), and the wind-resistant frame (501) located on one side close to the supporting structure (200) is a first wind-resistant frame (504), and the wind-resistant frame (501) located at a middle position between the two supporting structures (200) is a second wind-resistant frame (505), and a vertical distance between an upper chord (506) and a lower chord (507) of the second wind-resistant frame (505) is greater than a vertical distance between an upper chord (506) and a lower chord (507) of the first wind-resistant frame (504).

2. The flexible photovoltaic tracking bracket according to claim 1, characterized in that: The wind-resistant assembly (500) further comprises a wind-resistant cable (502) and a vertical cable (503), wherein both ends of the wind-resistant cable (502) are respectively connected to the supporting structure (200), and the wind-resistant cable (502) is connected to the wind-resistant frame (501) via the vertical cable (503), so that the middle portion of the wind-resistant cable (502) is arched upward.

3. The flexible photovoltaic tracking bracket according to claim 2, characterized in that: The vertical tension cable (503) is connected to the rotation center position of the wind-resistant frame (501).

4. The flexible photovoltaic tracking bracket according to claim 1, characterized in that: At least one second connecting rod (509) is further provided between the upper chord (506) and the lower chord (507), and the second connecting rod (509) is located between the two first connecting rods (508).

5. The flexible photovoltaic tracking bracket according to claim 1, characterized in that: The upper chord (506) comprises a supporting portion (5061) and connecting portions (5062) arranged at both ends of the supporting portion (5061), an angle being formed between the connecting portion (5062) and the supporting portion (5061), the connecting portion (5062) of the upper chord (506) being fixedly connected to the main cable (101) via a connecting piece (510), and the lower chord (507) being fixedly connected to the stabilizing cable (401) via the connecting piece (510), so that the wind-resistant frame (501) rotates synchronously with the main cable (101) and the stabilizing cable (401).

6. The flexible photovoltaic tracking bracket according to claim 5, characterized in that: The connecting member (510) comprises a base (5101) and a U-shaped lock buckle (5102) matched with the base (5101), and a penetration area is formed between the U-shaped lock buckle (5102) and the base (5101).

7. The flexible photovoltaic tracking bracket according to claim 1, characterized in that: The support structure (200) comprises an end support structure (201) and a middle support structure (202); the crossbeam assembly (300) comprises an end crossbeam (301) and a middle crossbeam (302); the end crossbeam (301) is rotatably disposed on the end support structure (201); and the middle crossbeam (302) is rotatably disposed on the middle support structure (202).

8. The flexible photovoltaic tracking bracket according to claim 7, characterized in that: The end support structure (201) comprises a first support rod (2011) and two second support rods (2012) arranged to intersect each other; the first end of the first support rod (2011) and the first end of the second support rod (2012) are both connected to the ground foundation; the second end of the first support rod (2011) and the second end of the second support rod (2012) are connected via a first mounting seat (2013); the driving member (600) is mounted on the first mounting seat (2013), and the end cross beam (301) can rotate relative to the first mounting seat (2013).

9. The flexible photovoltaic tracking bracket according to claim 7, characterized in that: The middle support structure (202) comprises a column (2021), wherein a first end of the column (2021) is connected to the ground, a second end of the column (2021) is provided with a second mounting seat (2022), the driving member (600) is mounted on the second mounting seat (2022), and the middle cross beam (302) can rotate synchronously with the end cross beam (301) relative to the second mounting seat (2022).

10. A photovoltaic system, characterized in that: It comprises a photovoltaic panel (700) and the flexible photovoltaic tracking bracket according to any one of claims 1 to 9, wherein there are a plurality of photovoltaic panels (700), and each photovoltaic panel (700) is laid on the main cable (101).

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