A photovoltaic support and a flexible tracking photovoltaic system

Abstract

The present invention discloses a photovoltaic support and a flexible tracking photovoltaic system. The photovoltaic support includes: end columns, which are arranged in two groups at intervals; main cables, the two ends of the main cables are tightened and fixed by the end columns, two adjacent main cables are arranged in parallel, and a plurality of rotating nodes are arranged at intervals on the two main cables. The rotating nodes are used to carry the photovoltaic panel assembly and drive the photovoltaic panel assembly to rotate based on the main cable; a wind-resistant cable and a wind-resistant frame, the wind-resistant cable is arranged in the length direction of the main cable and is connected to the main cable as an integral structure through a plurality of wind-resistant frames. The present invention provides a stable bearing foundation by setting the structures of the main cable, the wind-resistant cable and the wind-resistant frame to realize the setting of the photovoltaic panel assembly. At the same time, through the rotation of the rotating node based on the main cable, the photovoltaic panel assembly can track the light when the photovoltaic panel assembly is assembled, thereby improving the power generation efficiency of the flexible tracking photovoltaic system.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic equipment, and particularly relates to a photovoltaic support and a flexible tracking photovoltaic system. Background Art

[0002] In the field of photovoltaic equipment, a photovoltaic tracking support can support, fix, and rotate a photovoltaic module, and thus has better power generation efficiency by receiving sunlight better; currently, most photovoltaic tracking supports drive the main shaft to rotate through a motor combined with a rotary speed reducer, and drive the photovoltaic module on the main shaft to track the sun in real time. Since the main shaft needs to rotate synchronously with the photovoltaic module in the above structure, the motor requires a stable basic structure support and a large power output, and is mostly used for being directly arranged on the ground or on a photovoltaic support structure with a small span. For a photovoltaic module installation scenario with complex terrain and a large span, a large number of columns need to be set for support, and a main shaft with a large cross-sectional size is required to achieve support and rotation. It not only has a high cost, but also for some complex mountain environments, the small-span structure cannot meet the installation requirements of the support, resulting in difficulty in achieving high-efficiency power generation of the photovoltaic module by the photovoltaic support.

[0003] Therefore, how to improve the adaptability of the photovoltaic support in a complex environment and meet the high-efficiency power generation requirements of the photovoltaic module is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a photovoltaic support to improve the adaptability of the photovoltaic support in a complex environment and meet the high-efficiency power generation requirements of the photovoltaic module.

[0005] Another purpose of the present invention is to provide a flexible tracking photovoltaic system including the above photovoltaic support.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A photovoltaic support, comprising:

[0008] End columns, with two groups arranged at intervals;

[0009] Main cables, both ends of the main cable are tensioned and fixed by the end columns, two adjacent main cables are arranged in parallel, and a plurality of rotation nodes are arranged at intervals on the two main cables. The rotation nodes are used to carry the photovoltaic panel module and drive the photovoltaic panel module to rotate based on the main cable;

[0010] Wind-resistant cables and wind-resistant frames, the wind-resistant cables are arranged in the length direction of the main cable and are connected to the main cable as an integral structure through a plurality of wind-resistant frames.

[0011] Preferably, in the above-mentioned photovoltaic support, the wind-resistant cable is arranged on the symmetric plane of two adjacent main cables, and the wind-resistant frame is of a triangular-like structure and is fixedly connected to the two main cables and a single wind-resistant cable at three vertex positions.

[0012] Preferably, in the above-mentioned photovoltaic support, several intermediate columns are arranged between the two groups of end columns, and the intermediate columns are arranged on the path of the main cable and fixedly connected to the main cable.

[0013] Preferably, in the above-mentioned photovoltaic support, the size of the wind-resistant frame in the middlemost area between a single group of end columns and the intermediate columns is larger than that of other wind-resistant frames in the vertical direction.

[0014] Preferably, in the above-mentioned photovoltaic support, the rotation node includes:

[0015] A fixing part, which is fixedly arranged on the main cable through a locking component, and the locking components are arranged in one-to-one correspondence with the main cables;

[0016] A rotating part and a driving part, the rotating part is rotatably connected to the fixing part, the driving part is arranged on the fixing part and is in transmission connection with the rotating part, and the driving part is used to output power to drive the rotating part to rotate relative to the fixing part;

[0017] A supporting part, which is fixedly connected to the rotating part.

[0018] Preferably, in the above-mentioned photovoltaic support, the fixing part and the rotating part have a concentrically sleeved annular structure, and a sliding bearing is arranged in the sleeved area of the fixing part and the rotating part.

[0019] Preferably, in the above-mentioned photovoltaic support, the fixing part includes an inner ring frame and a connecting beam, the connecting beam passes through the center of the inner ring frame, and the locking component cooperates with the connecting beam to form a connecting hole for the main cable to pass through;

[0020] The rotating part includes an outer ring frame and a supporting cross beam, the supporting cross beam is fixedly arranged on the outer wall surface of the outer ring frame and is arranged parallel to the connecting beam, and the supporting part is fixedly arranged on the supporting cross beam.

[0021] Preferably, in the above-mentioned photovoltaic support, the rotating part further includes a strengthening beam, both ends of the strengthening beam are respectively fixed to the outer wall surface of the outer ring frame and the supporting cross beam, and at least two strengthening beams are symmetrically arranged with respect to the outer ring frame.

[0022] Preferably, in the above-mentioned photovoltaic support, the driving part is an electric push rod, and both ends are respectively hinged to the fixed part and the rotating part. The electric push rod includes a base and a telescopic rod. The base is rotatably arranged on the connecting beam, and the action end of the telescopic rod is rotatably arranged on the support cross beam.

[0023] Preferably, in the above-mentioned photovoltaic support, the supporting part at least includes two parallel and spaced support purlins. The support purlins are parallel to the main cable and are used to support the photovoltaic panel assembly. The support purlins are U-shaped beams, and the opening sides of two adjacent support purlins face each other.

[0024] A flexible tracking photovoltaic system includes a photovoltaic panel assembly and the photovoltaic support according to any one of the above embodiments. The photovoltaic panel assembly is arranged on the rotating node on the photovoltaic support to drive the photovoltaic panel assembly to perform a rotational movement relative to the main cable through the rotating node.

[0025] As can be seen from the above technical solutions, the photovoltaic support provided by the present invention sets end columns as the bearing foundation to provide connection support for both sides of the main cable. At the same time, for two adjacent and parallel main cables, a wind-resistant cable and a wind-resistant support are also provided to connect the main cable and the wind-resistant cable into an integral structure through the wind-resistant support, so as to have stronger wind resistance performance and reduce the risk of bearing failure of the photovoltaic support for the photovoltaic panel assembly under strong wind conditions. At the same time, a plurality of rotating nodes are spaced on the main cable of the photovoltaic support. The rotating nodes use the fixed part as the bearing structure for other components, and the fixed part is fixedly arranged on the main cable through a locking component. The locking component includes a support and a U-shaped bolt. An arc-shaped support surface is provided through the support, and the U-shaped bolt is used to lock the main cable. The circumference of the main cable is clamped by the arc-shaped structure to avoid wear when the main cable contacts the flat structure, and the setting of the support can also provide a limiting effect for the main cable to reduce its shaking risk; at the same time, the fixed part is rotatably connected to the rotating part, so that during the adjustment of the rotating node of the photovoltaic support, the fixed part and the main cable remain fixed in position, and only the rotating part is used for adjustment. At the same time, during the process of rotating and adjusting the photovoltaic panel assembly using the photovoltaic support of the present invention, the main cable only serves as a supporting component and does not participate in the rotation, so that the main cable can maintain a stable tensioned support effect after tensioning and fixing. The driving part is used to drive the rotating part to perform a rotational movement relative to the fixed part, and then the smooth rotation adjustment of the photovoltaic panel assembly is realized through the supporting part fixedly connected to the rotating part. The supporting foundation of the above structure is the main cable rather than the column structure, and it can be used in the setting scenario of photovoltaic modules with a large span to meet the tracking requirements of the photovoltaic panel assembly for light, realize the setting of a tracking type flexible tracking photovoltaic system, and thus improve the power generation efficiency of the flexible tracking photovoltaic system. Description of the Drawings

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0027] Figure 1 Front view of the photovoltaic support provided by the embodiment of the present invention;

[0028] Figure 2 For Figure 1 Isometric view of the unilateral structure;

[0029] Figure 3 For Figure 2 Detailed view of area A in

[0030] Figure 4 For Figure 2 Detailed view of area B in

[0031] Figure 5 Structural schematic diagram of the unilateral end column;

[0032] Figure 6 Structural schematic diagram of the rotating joint;

[0033] Figure 7 Assembly structural schematic diagram of a single rotating joint, main cable and photovoltaic panel assembly;

[0034] Figure 8 Connection structural schematic diagram of the locking component and the main cable;

[0035] Figure 9 Installation schematic diagram of the photovoltaic panel assembly and multiple rotating joints.

[0036] Wherein, 10 - fixing part; 110 - inner ring frame; 120 - connecting beam; 20 - rotating part; 210 - outer ring frame; 2110 - upper housing; 2120 - lower housing; 220 - support cross beam; 230 - strengthening beam; 30 - driving part; 310 - electric push rod; 3110 - base; 3120 - telescopic rod; 40 - support part; 410 - support purlin; 50 - locking component; 510 - support; 520 - U - shaped bolt; 60 - sliding bearing; 710 - main cable; 720 - photovoltaic panel assembly; 730 - rotating joint; 740 - end column; 750 - anti - wind cable; 760 - anti - wind frame; 770 - intermediate column. Specific embodiments

[0037] The core of the present invention is to disclose a photovoltaic support to improve the adaptability of the photovoltaic support in a complex environment and meet the high - efficiency power generation requirements of photovoltaic modules.

[0038] Another core of the present invention lies in providing a flexible tracking photovoltaic system including the above photovoltaic support.

[0039] To enable those skilled in the art to better understand the solution of the present invention, the embodiments of the present invention will be described below with reference to the accompanying drawings. In addition, the embodiments shown below do not impose any limitation on the content of the invention described in the claims. Further, all the content of the configurations shown in the following embodiments is not limited to what is necessary for the solution of the invention described in the claims.

[0040] As Figures 1 - 5 shown, the photovoltaic support provided by the embodiment of the present invention mainly includes end columns 740, main cables 710, wind-resistant cables 750 and wind-resistant frames 760. Among them, the end columns 740 serve as the basic load-bearing structure of the photovoltaic support, and two groups are arranged at intervals at both ends of the area where the photovoltaic panel assemblies 720 need to be arranged. Each group of end columns 740 may include two or more column structures for arranging multiple main cables 710. It should be noted that for some ground structures, the setting stability of the end columns 740 is poor, and for some main cable 710 span areas with large span and strong tensile force requirements, the end columns 740 can also enhance the connection force action points with the ground through stay cables, so as to improve the setting stability of the end columns 740.

[0041] Both ends of the main cable 710 are tightened and fixed by the end columns 740, and two adjacent main cables 710 are arranged in parallel to provide an installation platform. In particular, a plurality of rotation nodes 730 are arranged at intervals on the two main cables 710. Part of the structure of the rotation node 730 is fixedly connected to the main cable 710, while the other part of the structure can rotate relative to the main cable 710. The movement area on the rotation node 730 is used to carry the photovoltaic panel assembly 720, thereby driving the photovoltaic panel assembly 720 to rotate based on the main cable 710 and achieving the tracking effect of the photovoltaic panel assembly 720 on sunlight.

[0042] In order to ensure the support stability of the photovoltaic support provided in the above embodiment for the photovoltaic panel assembly 720, the photovoltaic support further includes a wind-resistant cable 750 and a wind-resistant frame 760. The wind-resistant cable 750 is arranged in the length direction of the main cable 710 and passes through part or all of the area of the main cable 710. At the same time, the wind-resistant cable 750 is connected to the main cable 710 as an integral structure through a plurality of wind-resistant frames 760, so that the integral structure of the main cable 710 and the wind-resistant cable 750 has stronger structural stability and can resist larger wind conditions.

[0043] Further, in order to enhance the structural strengthening effect of the wind-resistant cable 750 on the main cable 710, in some embodiments of the present invention, the wind-resistant cable 750 is disposed on the symmetric plane of two adjacent main cables 710. It should be noted here that the symmetric plane is a plane located between the two main cables 710, perpendicular to the plane formed by the two main cables 710, and equidistant from the two main cables 710. Correspondingly, the wind-resistant frame 760 is preferably configured as a triangular-like structure or a trapezoidal-like structure with stable structure. Here, the triangular-like structure is a structure with a triangle as the main body. Taking the triangular structure as an example, the two main cables 710 and a single wind-resistant cable 750 are respectively fixedly disposed at three vertex positions of the triangular structure of the wind-resistant frame 760 to meet the structural enhancement and wind-resistant requirements of the main cable 710.

[0044] It should be noted that the photovoltaic support provided in the embodiments of the present invention has a use requirement for large-span support. Under this working condition, the two end columns 740 are difficult to meet the structural support for the main cable 710, resulting in a risk of the main cable 710 sagging. Therefore, in some embodiments of the present invention, a plurality of intermediate columns 770 are further disposed between the two groups of end columns 740. The number of intermediate columns 770 can be appropriately increased according to the span between the two groups of end columns 740. At the same time, the intermediate columns 770 are disposed on the path of the main cable 710 and fixedly connected to the main cable 710 to support the main cable 710 and improve the tension stability of the main cable 710.

[0045] Based on the above embodiments, between a single group of end columns 740 and the intermediate column 770, that is, within one span, a plurality of wind-resistant frames 760 can be spaced apart. At the same time, it should be noted that the wind-resistant frame 760 in the middle between a single group of end columns 740 and the intermediate column 770 has a larger size in the vertical direction than the wind-resistant frames 760 at other positions. The wind-resistant cable 750 is in a non-tight state in the length direction and has undulations up and down. At the same time, as Figure 1 shown, the wind-resistant cable 750 is in the lowest point structure in the middle area between the end column 740 and the intermediate column 770. The flexible wind-resistant cable 750 can unload the force by shaking under the working condition of strong wind, thereby improving its wind-resistant performance.

[0046] Further, in the photovoltaic support provided in the embodiments of the present invention, the rotation node 730 is disposed on the main cable 710 to realize the rotation of the photovoltaic panel assembly 720 based on the main cable 710, so as to meet the real-time tracking of sunlight by the photovoltaic panel assembly 720 and improve the power generation efficiency of the flexible tracking photovoltaic system.

[0047] Specifically, the pivot node 730 mainly includes a fixed portion 10, a rotating portion 20, a driving portion 30, and a supporting portion 40. The fixed portion 10 is a rigid structure and is fixed to the main cable 710 via a locking component 50, providing a basic load-bearing structure for the other components of the pivot node 730. The locking component 50 is provided in a one-to-one correspondence with the main cable 710. Here, the one-to-one correspondence specifically means that each main cable 710 corresponds to a locking component 50. In some embodiments, two main cables 710 are typically provided and arranged in parallel. They are tensioned by columns at both ends. Correspondingly, for a single pivot node 730, its fixed portion 10 is fixedly connected to the main cable 710 via two locking components 50. The two-point static point fixation method enables the fixed portion 10 to maintain a stable structural setting state on the main cable 710.

[0048] In the above structure, if Figures 6 - 9 As shown, the locking component 50 can be a single U-shaped bolt 520, which is arranged to pass through the structural beam on the fixing portion 10 to form a connecting hole structure between the closed end of the U-shaped bolt 520 and a side wall of the structural beam. The connecting hole structure is used for the main cable 710 to pass through, and then by tightening the U-shaped bolt 520 so that the closed end of the U-shaped bolt 520 contacts the main cable 710, the main cable 710 is pressed to the side wall of the structural beam, and the nut on the U-shaped bolt 520 is tightened to achieve the fixed setting of the structural beam on the main cable 710. Furthermore, considering that the main cable 710 is in direct contact with the structural beam on the fixing portion 10, there is a greater risk of wear on the fitting surface. Therefore, in some embodiments of the present invention, the locking component 50 specifically includes a U-shaped bolt 520 and a support 510 used in conjunction with the U-shaped bolt 520. Specifically, the support 510 includes a groove structure formed by four legs, and the bottom structure of the groove is an arc surface. The U-shaped bolt 520 passes through both sides of the support 510 and is fixedly connected to the structural beam on the fixing portion 10. On this basis, the main cable 710 can be placed on the support The inside of the groove on the seat 510 is connected to the groove through an arc surface structure. At the same time, the closed end of the U-shaped bolt 520 is also a curved arc surface structure. When the U-shaped bolt 520 presses the main cable 710 to the groove position of the support 510, the main cable 710 contacts the arc surface in the circumferential direction, which can reduce the risk of wear of the main cable 710. It should be noted that the groove structure formed by the support legs of the support 510 can limit the main cable 710 after the main cable 710 is placed, thereby preventing the main cable 710 from shaking excessively and affecting the setting stability of the fixing part 10.

[0049] It should be noted that the above structure simplifies the structural complexity of the rotating node 730 on the basis of maintaining the functional effects of the rotating node 730. Similarly, the fixing part 10 and the single main cable 710 can also be fixed by two or more locking components 50. The two or more locking components 50 are arranged at intervals in the length direction of the main cable 710 to improve the structural stability of the fixing part 10 through the multi-point connection method.

[0050] On this basis, the rotating part 20 is rotatably connected to the fixing part 10. Here, the rotatable connection means that the rotating part 20 can rotate relative to the fixing part 10 and the main cable 710, and its specific rotation is realized by the driving part 30. The driving part 30 is arranged on the fixing part 10 and is in transmission connection with the rotating part 20. The driving part 30 is used to output power, and it drives the rotating part 20 to generate a rotational movement relative to the fixing part 10 based on the fixing part 10.

[0051] It should be noted that the driving part 30 can be fixedly arranged on the fixing part 10 so that one end of it is relatively stationary with respect to the main cable 710. At the same time, the driving part 30 can include a swing rod. The driving part 30 drives the swing rod to swing based on a preset point through electric or hydraulic action. The action end of the swing rod is fixedly connected to the rotating part 20. The swing rod can drive the rotating part 20 to rotate relative to the fixing part 10 during the swinging process, and by setting the swinging direction of the swing rod, the clockwise and counterclockwise rotation actions of the rotating part 20 can be realized, so that the rotating node 730 has the effect of driving the rotation of the photovoltaic panel assembly 720.

[0052] Similarly, the driving part 30 can also be a structure with both ends hinged to the fixing part 10 and the rotating part 20 respectively. On this basis, through the adjustment of its own length by the driving part 30 and the position fixing effect of the fixing part 10 relative to the main cable 710, a force is applied to the rotating part 20 through the other end, so as to meet the clockwise and counterclockwise movements of the rotating part 20 relative to the fixing part 10 through the elongation and shortening actions.

[0053] Furthermore, the supporting part 40 is a structure directly connected to the photovoltaic panel assembly 720 in the flexible tracking photovoltaic system, and is arranged on the rotating part 20. It can be fixed to the rotating part 20 as an integral structure by welding or bolt connection, and can follow the rotating part 20 to perform a rotational movement relative to the fixing part 10 under the driving action of the driving part 30. Thus, when the rotating node 730 is used in the flexible tracking photovoltaic system, it drives the photovoltaic panel assembly 720 to rotate to achieve the effect of tracking light.

[0054] The rotation node 730 provided by the embodiment of the present invention uses the fixing part 10 as the bearing structure of other components, and fixes the fixing part 10 on the main cable 710 through the locking component 50. At the same time, the fixing part 10 is rotatably connected to the rotating part 20, so that during the adjustment of the rotation node 730, the fixing part 10 and the main cable 710 remain fixed in position, and only the rotating part 20 is used to achieve the adjustment. The above structure of the rotation node 730 does not require a column structure to be set at the bottom for support, but only needs to be stably installed based on the main cable 710 in a good tension state, which can reduce the production cost of the new flexible tracking photovoltaic system. At the same time, during the process of rotating and adjusting the photovoltaic panel assembly 720 through the rotation node 730, the main cable 710 only serves as the support part 40 and does not participate in the rotation, so that the main cable 710 can maintain a stable tension support effect after tensioning and fixing. The driving part 30 is used to drive the rotating part 20 to perform a rotating action relative to the fixing part 10, and then realizes the smooth rotation adjustment of the photovoltaic panel assembly 720 through the support part 40 fixedly connected to the rotating part 20. The support basis of the above structure is the main cable 710 instead of the column structure, which can be used in the setting scenario of photovoltaic modules with a large span, thereby improving the power generation efficiency of the flexible tracking photovoltaic system.

[0055] Further, in the rotation node 730 provided by the embodiment of the present invention, the rotational cooperation between the fixing part 10 and the rotating part 20 is the basis for realizing the smooth rotation of the support part 40, and the fixing part 10 and the rotating part 20 can achieve rotational cooperation through various structures. In some embodiments of the present invention, the fixing part 10 and the rotating part 20 can be rotatably connected through a slideway cooperation, that is, a partial area of the fixing part 10 and the rotating part 20 is stacked. The fixing part 10 is provided with a guiding groove in the stacked area, and the rotating part 20 is provided with a protruding part to be inserted into the guiding groove. The guiding groove is an arc structure, so that the movement process of the protruding part in the guiding groove is an arc-shaped rotation process; on this basis, when the driving part 30 applies a force along the groove body direction of the guiding groove or at a non-perpendicular angle to the groove body direction of the guiding groove to the rotating part 20, the sliding of the protruding part in the driving part 30 can be realized, thereby satisfying the rotational movement of the rotating part 20 relative to the fixing part 10.

[0056] It should be noted that the above-mentioned rotational connection between the fixing part 10 and the rotating part 20 can also be realized through structures such as slide rails or slideways, and their setting methods are similar to the cooperation method of the guiding groove and the protruding part in the above embodiment, and will not be elaborated here.

[0057] In order to improve the connection effect between the fixed part 10 and the rotating part 20 and prevent the rotating part 20 from detaching from the fixed part 10 during rotation, in some embodiments of the present invention, the fixed part 10 and the rotating part 20 are concentrically sleeved circular ring structures. And for the convenience of connecting the rotating part 20 with the supporting part 40, preferably, the fixed part 10 is arranged on the inner ring of the concentric ring to serve as the basic bearing structure. The main cable 710 then passes through the inner ring of the fixing plate and is connected to the fixed part 10; while the rotating part 20 is arranged on the outer ring of the concentric ring to be directly connected to structures such as the supporting part 40 at its side wall or outer wall position. On this basis, a sliding bearing 60 is arranged in the sleeved area between the fixed part 10 and the rotating part 20 to realize the rotational setting of the fixed part 10 and the rotating part 20. At the same time, the sliding bearing 60 is preferably made of high molecular plastic material, so as to be chemically corrosion-resistant in the outdoor environment, have good resistance to various acids, alkalis, salts and strong oxidants, and at the same time, it has the characteristic of being lighter than metal, thereby reducing the bearing burden on the main cable 710 when the rotating node 730 is arranged on the main cable 710.

[0058] It should be noted that the fixed part 10 and the rotating part 20 of the concentric ring structure have a larger overlapping area, and thus have a more stable connection effect. At the same time, the fixed part 10 and the rotating part 20 are matched by a rotating bearing, which can make the rotating part 20 contact the outer wall of the fixed part 10 over the entire area during rotation, and there will be no problems such as rotational misalignment or detachment of the rotating part 20. In addition, the entire structure of the rotating part 20 can rotate around the fixed part 10, so that the supporting part 40 has a more flexible connection attitude, that is, the supporting part 40 only needs to be fixed at any position on the rotating part 20 to meet the rotation effect of following the rotating part 20.

[0059] Based on the stable ring-shaped rotating structure realized by the sliding bearing 60 above, in some embodiments of the present invention, in order to improve the structural stability of the fixed part 10 and facilitate the stable installation of the main cable 710, the fixed part 10 specifically includes an inner ring frame 110 and a connecting beam 120. Among them, the inner ring frame 110 is a regular circular structure, and both ends of the connecting beam 120 are fixedly arranged at two points on the inner wall of the inner ring frame 110 to strengthen the structure of the inner ring frame 110 through the supporting action of the connecting beam 120. On this basis, the locking member 50 cooperates with the connecting beam 120 to lock the main cable 710, so as to satisfy the fixed setting of the fixed part 10 on the main cable 710. Specifically, at least two main cables 710 pass through and fit against one side wall of the connecting beam 120 to provide two connection points for the fixed part 10 to meet the requirements of its fixed setting.

[0060] It should be noted that in the above embodiments, it is preferred that the two main cables 710 are fixed to the same side wall of the connecting beam 120. For example, when the two main cables 710 are on the same horizontal plane relative to the ground, the connecting beam 120 is also horizontally arranged and is placed at the bottom of the main cables 710. In addition, in order to enable the connecting beam 120 to achieve a stable strengthening effect on the inner ring frame 110 and enable the two main cables 710 to provide a stable supporting force for the connecting beam 120 and the fixing part 10, it is preferred that the connecting beam 120 passes through the center of the inner ring frame 110, that is, the connecting beam 120 is arranged along a diameter of the inner ring frame 110, and the two locking components 50 are symmetrically arranged on the connecting beam 120 with respect to the midpoint of the connecting beam 120; the connecting beam 120 divides the inner ring frame 110 into two semi-circular structures, so that after the locking components 50 on the connecting beam 120 are fixedly connected to the main cables 710, they can provide a more uniform and symmetrical supporting force for the fixing part 10 at two symmetrical points on the diameter structure.

[0061] Furthermore, corresponding to the fixing part 10 including the structure of the inner ring frame 110, in some embodiments of the present invention, the rotating part 20 correspondingly includes an outer ring frame 210 and a supporting cross beam 220. Among them, the outer ring frame 210 is sleeved on the outer periphery of the inner ring frame 110 to cooperate with the inner ring frame 110 to form a cavity structure for arranging the sliding bearing 60, so that after the fixing part 10 is fixedly arranged, the rotating part 20 and the fixing part 10 can be rotatably arranged. The supporting cross beam 220 is fixedly arranged on the outer wall surface of the outer ring frame 210, and its position can pass through the plane of the outer ring frame 210 or be tangent to the outer wall surface of the outer ring frame 210. The supporting cross beam 220 is used to carry the supporting part 40 to achieve the stable arrangement of the supporting part 40. With the help of the cross beam structure, the supporting part 40 can be fixed to the top surface of the supporting cross beam 220 by welding or bolt fixing to meet the load bearing of the photovoltaic panel assembly 720.

[0062] It should be noted that since the rotational movement of the outer ring frame 210 is centered on the center of the inner ring frame 110, in order to make the movement path of the rotating part 20 more regular, it is preferred that the support cross beam 220 and the outer ring frame 210 are arranged in the same plane, and the support cross beam 220 is tangent to the outer wall surface of the outer ring frame 210; and further, when the support cross beam 220 is in the basic state, that is, in the assembled state when the rotating part 20 does not rotate, it is arranged parallel to the connecting beam 120 in the fixed part 10. On this basis, when the two main cables 710 are arranged through the same side of the connecting beam 120, the plane formed by the two main cables 710 is also arranged parallel to the support cross beam 220, and the supporting force exerted by the main cables 710 on the fixed part 10 and the rotating part 20 can be perpendicular to the support cross beam 220, and the photovoltaic panel assembly 720 carried on its upper part can be kept parallel to the main cables 710; thereby enabling the support cross beam 220 to maintain a stable load-bearing state and satisfying the stable support for the support part 40 and the photovoltaic panel assembly 720.

[0063] In order to further optimize the above technical solution, in some embodiments of the present invention, the outer ring frame 210 includes an upper shell 2110 and a lower shell 2120 in a semi-circular configuration, so as to improve the assembly convenience of the outer ring frame 210 and the inner ring frame 110 through the split structure of the upper shell 2110 and the lower shell 2120. At the same time, the splicing area of the upper shell 2110 and the lower shell 2120 is correspondingly provided with a protrusion, and the protrusion structure protrudes in a direction away from its center of the circle based on the outer wall of the outer ring frame 210. After the protrusions of the upper shell 2110 and the lower shell 2120 are butted, a through hole is opened, and they are fixedly connected into an integral structure by bolts. The split assembly structure of the upper shell 2110 and the lower shell 2120 can, after the sliding bearing 60 is sleeved on the outer periphery of the inner ring frame 110, arrange the integral structure of the inner ring frame 110 and the sliding bearing 60 in the lower shell 2120. The semi-circular lower shell 2120 can directly accommodate the integral structure of the inner ring frame 110 and the sliding bearing 60. After the integral structure of the inner ring frame 110 and the sliding bearing 60 is placed in place, the upper shell 2110 and the lower shell 2120 are butted and fixedly assembled by bolts, and the convenient assembly of the rotating part 20, the fixed part 10 and the sliding bearing 60 can be realized.

[0064] It should be noted that on the basis of the above structure, the support cross beam 220 can be pre-assembled with the upper shell 2110 into an integral structure and completed when the upper shell 2110 and the lower shell 2120 are assembled by bolts. In addition, the upper shell 2110 and the lower shell 2120 are fixed by at least two bolts arranged at intervals in the unilateral docking area to improve the stability of their connection structure and avoid the separation risk of the upper shell 2110 and the lower shell 2120 under the action of the sliding bearing 60 during rotation.

[0065] Since the support crossbeam 220 is in direct contact with the support part 40, its structural stability is the basis for the support part 40 to provide an effective support effect for the photovoltaic panel assembly 720. Therefore, in some embodiments of the present invention, the rotating part 20 further includes a reinforcing beam 230 to provide structural reinforcement for the support crossbeam 220 and be able to rotate synchronously with the support crossbeam 220. Specifically, both ends of the reinforcing beam 230 are fixedly connected to the outer wall surface of the outer ring frame 210 and the support crossbeam 220 respectively, which can be achieved by welding or bolt connection. Since the support crossbeam 220 and the outer ring frame 210 are in a tangential connection structure, after the reinforcing beam 230 is provided, a single reinforcing beam 230 can form a closed small frame structure with the outer ring frame 210 and the support crossbeam 220, so that the support crossbeam 220 has stronger structural stability. It should be noted that the closed frame structure formed by the reinforcing beam 230, the outer ring frame 210 and the support crossbeam 220 can increase according to the number of the reinforcing beams 230 provided, and the reinforcement effect of the support crossbeam 220 can be correspondingly improved.

[0066] And in order to balance the production cost and the strengthening effect of the rotating node 730, in a specific embodiment of the present invention, two reinforcing beams 230 are provided, and the two reinforcing beams 230 are symmetrically arranged with respect to the outer ring frame 210. At the same time, it should be noted that in this embodiment, the support crossbeam 220 is also symmetrically arranged with respect to the outer ring frame 210. Specifically, the support crossbeam 220 is tangentially arranged with respect to the outer wall surface of the outer ring frame 210, and the support crossbeam 220 is symmetric with respect to the tangent point on the outer ring frame 210. The length dimensions of the support crossbeam 220 on both sides of the tangent point are equal; and the two reinforcing beams 230 that are also symmetrically arranged with respect to the outer ring frame 210 need to be respectively connected to the support crossbeam 220, so they need to be symmetric with respect to the tangent point of the support crossbeam 220 on the outer ring frame 210. The support crossbeam 220 and the outer ring frame 210 can form two symmetric and equal-area closed frame structures, so that the positions of the two ends of the support crossbeam 220 far from the tangent point also have a connection basis, and can achieve a stable support effect on the support part 40.

[0067] Further, in the rotation node 730 provided by the embodiment of the present invention, the driving part 30 can be a power component such as a motor or a hydraulic cylinder that drives the relative movement between the rotating part 20 and the fixed part 10. In some embodiments of the present invention, in order to reduce the production cost of the rotation node 730, the driving part 30 adopts an electric push rod 310 with a relatively low cost and a simple operation process, so that the rotation process of the rotation node 730 is stable and effective. Specifically, the electric push rod 310 specifically includes a base 3110 and a telescopic rod 3120. Among them, the base 3110 is rotatably arranged on the connecting beam 120, which can be realized through structures such as a pin shaft, a hinge or a bearing. In a specific embodiment of the present invention, the end of the base 3110 is in a ring groove configuration, and a convex shaft structure is arranged on one side of the connecting beam 120. The ring groove of the base 3110 is sleeved on the outer periphery of the convex shaft to realize the rotational connection between the two; here, the convex shaft is arranged on the side wall of the connecting beam 120 parallel to the inner ring frame 110, so that the driving part 30 can deviate from the fixed part 10 and the rotating part 20, and apply a force to the rotating part 20 from one side. The telescopic rod 3120 of the electric push rod 310 includes an action end arranged away from the base 3110, and the action end is rotatably arranged on the support cross beam 220, which can also be realized through the cooperation structure of the convex shaft and the ring groove, and will not be elaborated here; when the length of the telescopic rod 3120 of the electric push rod 310 with both ends rotatably arranged changes, through the rotational action and position fixing effect with the connecting beam 120, a component force acts on the action end of the telescopic rod 3120 and pushes the support cross beam 220 to rotate, so as to meet the length change of the electric push rod 310. On this basis, by adjusting the extension and retraction actions of the telescopic rod 3120, the clockwise and counterclockwise rotation actions of the support cross beam 220 based on the fixed part 10 can be realized.

[0068] It should be further noted that the purpose of setting the electric push rod 310 is to generate a force along the rotation direction of the support cross beam 220 and the rotating part 20 through its length change and by virtue of the position fixing effect of the fixed part 10, so as to meet the rotational drive of the rotating part 20. The electric push rod 310 can be arbitrarily set as long as the component force effect is along the rotation direction of the rotating part 20. For example, the electric push rod 310 can be arranged perpendicular to the connecting beam 120, and at the same time, the connection point of the electric push rod 310 and the connecting beam 120 is offset from the midpoint of the connecting beam 120, so that the connection point of the electric push rod 310 and the support cross beam 220 is offset from the tangent point of the support cross beam 220 and the outer ring frame 210. At this time, when the telescopic rod 3120 of the electric push rod 310 extends and retracts, it can provide a component force to drive the rotating part 20 to perform a rotation action.

[0069] In some other embodiments of the present invention, the base 3110 is rotatably arranged in the length direction of the connecting beam 120 and is offset from the midpoint position; at the same time, the connection points of the telescopic rod 3120 on the support cross beam 220 are also offset from the midpoint of the support cross beam 220, so that the electric push rod 310 can realize rotational driving of the rotating part 20, and it is not difficult to drive due to a short or disappearing driving force arm.

[0070] Furthermore, in the rotating node 730 provided in the embodiments of the present invention, the support part 40 can be a frame structure and is fixedly arranged on the support part 40 in an integrated structure. At the same time, the support part 40 can also be a plurality of split beam structures to be respectively lapped and fixed with the support cross beam 220. In some embodiments of the present invention, the support part 40 at least includes two parallel and spaced support purlins 410. It should be noted that at least two parallel and spaced support purlins 410 are used to simulate the parallel structure of the main cable 710 to provide a stable support foundation for the photovoltaic panel assembly 720. The two support purlins 410 can be connected into an integral structure by a plurality of reinforcing ribs perpendicular to the support purlins 410, or can be two separate support purlin 410 structures and are respectively fixedly arranged on the support cross beam 220; the support purlins 410 are arranged parallel to the main cable 710, so that the photovoltaic panel assembly 720 that can be smoothly assembled on the main cable 710 can also be installed on the support purlins 410.

[0071] It should be noted that the support purlin 410 structure can save the material usage of the support part 40 and reduce the production cost of the rotating node 730. At the same time, in order to ensure the support stability of the support part 40 on the basis of saving materials, in some embodiments of the present invention, the support purlin 410 is a U-shaped beam to have a good stiffness effect. At the same time, the open sides of two adjacent support purlins 410 face each other, so that when a reinforcing rib is arranged in the middle of two adjacent support purlins 410, a stable truss structure can be formed, and when deforming, there is a tendency to deform towards the relative inner sides, avoiding the problem that the two support purlins 410 deform towards the same side when accidentally stressed, resulting in the detachment of the photovoltaic panel assembly 720.

[0072] Furthermore, the embodiments of the present invention also provide a flexible tracking photovoltaic system, which includes a photovoltaic panel assembly 720 and the photovoltaic support provided in any one of the above embodiments. The photovoltaic panel assembly 720 is arranged on the photovoltaic support to realize the tracking effect on light. And it should be noted that since the photovoltaic support has the technical effects provided in the above embodiments, this flexible tracking photovoltaic system also has the above technical effects, which will not be elaborated herein.

[0073] In this application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated device, element or component must have a specific orientation, or be constructed and operated in a specific orientation.

[0074] In addition, the terms "mounted", "arranged", "provided with", "connected", "coupled", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0075] The above description is only a preferred embodiment of the present invention and an explanation of the applied technical principles, and is not used to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. The scope of the invention involved in the present invention is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the (but not limited to) technical features having similar functions disclosed in the present invention.

Claims

1. A photovoltaic support, characterized in that, Including: Two sets of end columns, arranged at intervals; Main cables, the two ends of the main cables are tightened and fixed by the end columns, two adjacent main cables are arranged in parallel, and a plurality of rotating nodes are arranged at intervals on the two main cables. The rotating nodes are used to carry the photovoltaic panel assembly and drive the photovoltaic panel assembly to rotate based on the main cables; The rotating node includes a fixing part, a rotating part, a driving part and a supporting part. The fixing part is fixedly arranged on the main cable through a locking component, and the locking component is arranged in one-to-one correspondence with the main cable; the rotating part is rotatably connected to the fixing part, the driving part is arranged on the fixing part and is in transmission connection with the rotating part, and the driving part is used to output power to drive the rotating part to rotate relative to the fixing part; the supporting part is fixedly connected to the rotating part, and the supporting part is directly connected to the photovoltaic panel assembly; the fixing part and the rotating part have a concentrically sleeved annular structure, and a sliding bearing is arranged in the sleeved area of the fixing part and the rotating part; the fixing part includes an inner ring frame, the rotating part includes an outer ring frame and is concentrically arranged with the inner ring frame, and the driving part drives the outer ring frame to rotate relative to the inner ring frame; Wind-resistant cables and wind-resistant frames, the wind-resistant cables are arranged in the length direction of the main cables and are connected to the main cables through a plurality of wind-resistant frames to form an integral structure.

2. The photovoltaic support according to claim 1, wherein The wind-resistant cables are arranged on the symmetric plane of two adjacent main cables, and the wind-resistant frames are of a triangular-like structure and are fixedly connected to the two main cables and a single wind-resistant cable at three vertex positions.

3. The photovoltaic support according to claim 1, characterized in that A plurality of intermediate columns are arranged between the two sets of end columns. The intermediate columns are arranged on the path of the main cables and are fixedly connected to the main cables.

4. The photovoltaic support according to claim 3, wherein, The size of the wind-resistant frame in the middlemost area between a single set of end columns and the intermediate columns is larger than that of other wind-resistant frames in the vertical direction.

5. The photovoltaic bracket according to claim 1, wherein: The fixing part further includes a connecting beam, the connecting beam passes through the center of the inner ring frame, and the locking component cooperates with the connecting beam to form a connecting hole for the main cable to pass through; The rotating part further includes a supporting cross beam, the supporting cross beam is fixedly arranged on the outer wall surface of the outer ring frame and is arranged in parallel with the connecting beam, and the supporting part is fixedly arranged on the supporting cross beam.

6. The photovoltaic support according to claim 5, characterized in that, The rotating part further includes a strengthening beam, the two ends of the strengthening beam are respectively fixed to the outer wall surface of the outer ring frame and the supporting cross beam, and at least two strengthening beams are symmetrically arranged with respect to the outer ring frame.

7. The photovoltaic support according to claim 5, characterized in that, The driving part is an electric push rod and is hinged to the fixing part and the rotating part at both ends. The electric push rod includes a base and a telescopic rod. The base is rotatably arranged on the connecting beam, and the action end of the telescopic rod is rotatably arranged on the supporting cross beam.

8. The photovoltaic bracket according to claim 1, wherein: The supporting part at least includes two parallel and spaced supporting purlins. The supporting purlins are parallel to the main cables and are used to support the photovoltaic panel assembly. The supporting purlins are U-shaped beams, and the open sides of two adjacent supporting purlins face each other.

9. A flexible tracking photovoltaic system, characterized in that: It comprises a photovoltaic panel assembly and a photovoltaic bracket according to any one of claims 1 to 8, wherein the photovoltaic panel assembly is arranged on the rotation node on the photovoltaic bracket to drive the photovoltaic panel assembly to perform rotational movement relative to the main cable through the rotation node.

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