Middle-span inclination-angle-adjustable flexible photovoltaic support

Abstract

The invention relates to a middle-span inclination-angle-adjustable flexible photovoltaic support which comprises a first support body, a second support body and a driving assembly, the first support body comprises a plurality of first stand columns and first rotating frames hinged to the first stand columns, and the second support body comprises a plurality of second stand columns and second rotating frames hinged to the second stand columns; the driving assembly comprises a plurality of driving mechanisms in one-to-one correspondence with the first rotating frames and is used for driving the corresponding first rotating frames to rotate; the second support bodies and the first support bodies are arranged at intervals, and in the arrangement direction, transmission assemblies are arranged between the adjacent first rotating frames and second rotating frames and between every two adjacent second rotating frames. According to the invention, synchronous adjustment of the inclination angle at the two-dimensional matrix level is realized in a multi-point electric driving and mechanical linkage mode, the problems of low power generation amount and poor windproof performance caused by non-adjustable inclination angle of the existing photovoltaic support are solved, the structural layout is simple, the equipment investment is saved, and the operation cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic power generation technology, and in particular to a mid-span adjustable tilt flexible photovoltaic bracket. Background Art

[0002] With the continuous development of large-scale ground photovoltaic power generation projects, flat and open ground scenes are becoming less and less, and there are more and more application scenes such as hillsides, swamps, and water treatment plants. The small-span dense column-type purlin photovoltaic brackets suitable for the aforementioned application scenes are not suitable for the latter scenes, and large-span flexible brackets are gradually being promoted.

[0003] The long-span flexible bracket introduces steel cables as the main support, which increases the span between columns by 5-10 times from 6 meters of the purlin type to more than 30 meters, greatly improving the adaptability to photovoltaic installation scenarios. However, with the gradual advancement of the project, it was found that the long-span flexible bracket has the following problems: 1) The photovoltaic panels installed on the long-span steel cables will vibrate under the action of wind loads, causing fatigue failure of the connectors and hidden cracks in the cells of the photovoltaic panels; 2) Since it is necessary to avoid the bracket being blown over by excessive wind pressure, the inclination angle of the component should not be too large, and it is often smaller than the local optimal inclination angle, resulting in power generation loss; 3) The photovoltaic bracket is generally designed according to the wind load condition of once in 50 years, but under extreme weather conditions such as typhoons, the wind force is often likely to reach an extreme peak. The existing scheme lacks wind shelter measures and there is a risk of being blown over and damaged.

[0004] Therefore, medium-span flexible brackets with a span of 16-20 meters have appeared on the market. The medium-span flexible bracket partially reduces the problem of wind-induced vibration, but because the inclination angle is a fixed value and cannot be adjusted according to weather conditions, the problem of "low power generation and inability to reduce wind pressure to ensure safety under extreme weather conditions" remains unsolved. Summary of the invention

[0005] The present application is to provide a mid-span adjustable tilt flexible photovoltaic bracket, aiming to solve the problems of low power generation and poor wind resistance caused by fixed tilt.

[0006] The present application provides a mid-span adjustable tilt flexible photovoltaic bracket for installing photovoltaic panels, comprising:

[0007] A first bracket body, a second bracket body and a drive assembly;

[0008] The first bracket body includes a plurality of first columns arranged at intervals along a first direction, and a first rotating frame is hingedly provided at the end of the first column; the first bracket body also includes two first component cables arranged in parallel, the two first component cables extend along the first direction, and the two first component cables are respectively connected to two sides of each first rotating frame, and a first installation plane is formed between the two first component cables;

[0009] The second bracket body includes a plurality of second columns arranged at intervals along the first direction, and a second rotating frame is hingedly provided at the end of the second column; the second bracket body also includes two second component cables arranged in parallel, the two second component cables extend along the first direction, and the two second component cables are respectively connected to two sides of each second rotating frame, and a second installation plane is formed between the two second component cables;

[0010] The second bracket body is provided in plurality, the first bracket body and the plurality of the second bracket bodies are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction;

[0011] The driving assembly includes a plurality of driving mechanisms, the plurality of driving mechanisms correspond to the plurality of first rotating frames one by one, the driving mechanisms are connected to the first rotating frames, and the driving mechanisms are used to drive the corresponding first rotating frames to rotate;

[0012] Along the second direction, a transmission assembly is arranged between adjacent first rotating frames and second rotating frames, and between two adjacent second rotating frames; the transmission assembly is used to transmit the movement of the first rotating frame to the adjacent second rotating frame, or to transmit the movement of the second rotating frame to another adjacent second rotating frame.

[0013] Optionally, the driving mechanism comprises an electric push rod, one end of which is hinged to the first column, and the other end of which is hinged to the end of the first rotating frame.

[0014] Optionally, the transmission assembly includes a swing arm and a push-pull rod;

[0015] One end of the swing arm is fixed to the first rotating frame or the second rotating frame, and the other end of the swing arm is hinged to the push-pull rod;

[0016] Along the second direction, the push-pull rod is arranged between two adjacent swing arms, and two ends of the push-pull rod are respectively hinged to the two adjacent swing arms.

[0017] Optionally, the mid-span adjustable tilt flexible photovoltaic support further includes a windproof component, and the windproof component includes two windproof column units;

[0018] The windproof column unit comprises a first windproof column and a second windproof column arranged along the second direction, a first reinforcing rod is arranged between the first windproof column and the second windproof column, and two ends of the first reinforcing rod are respectively connected to the first windproof column and the second windproof column;

[0019] A windproof cable is connected between the two windproof column units, and the windproof cable extends along the second direction;

[0020] The first windproof column, the second windproof column and the windproof cable are all hingedly provided with support arms, and both sides of the support arms are respectively connected to the first component cable or the second component cable.

[0021] Optionally, two first reinforcing rods are provided between the first windproof column and the second windproof column, and the two first reinforcing rods are cross-arranged.

[0022] Optionally, a plurality of the windproof components are provided, and the plurality of windproof components are arranged at intervals along the first direction.

[0023] Optionally, the first windproof column and the second windproof column are located between two adjacent first columns or between two adjacent second columns.

[0024] Optionally, along the first direction, both ends of the first bracket body and both ends of the second bracket body are respectively provided with third columns;

[0025] A rotating beam is provided between the third column and the first column adjacent thereto, and between the third column and the second column adjacent thereto;

[0026] One end of the rotating beam is connected to the first rotating frame or the second rotating frame, and the other end of the rotating beam is rotatably connected to the end of the third column.

[0027] Optionally, a second reinforcing rod is provided between the third column and the first column adjacent thereto, and between the third column and the second column adjacent thereto, and one end of the second reinforcing rod is connected to the third column, and the other end is connected to the first column or the second column.

[0028] Optionally, two second reinforcing rods are provided between the third column and the first column adjacent thereto, and between the third column and the second column adjacent thereto, and the two second reinforcing rods are cross-arranged.

[0029] Beneficial effects:

[0030] The present application provides a mid-span adjustable inclination flexible photovoltaic bracket, which drives the corresponding first rotating frame to rotate by configuring multiple driving mechanisms on the first bracket body, and realizes the synchronous adjustment of the inclination angle of photovoltaic panels on the same row of flexible brackets by multi-point electrical drive. By arranging a transmission component between adjacent first rotating frames and second rotating frames and between two adjacent second rotating frames, the movement of the first rotating frame is transmitted to the second rotating frame by mechanical transmission, so that the second rotating frame moves synchronously with the first rotating frame, thereby realizing the synchronous adjustment of the inclination angle of photovoltaic panels on different rows of flexible brackets. When the solar altitude angle changes, by adjusting the inclination angle of the entire photovoltaic array, the vertical incidence of sunlight on the photovoltaic panel can be maintained to the greatest extent, the cosine loss can be reduced, and the power generation can be increased. During typhoon days, the photovoltaic panel can be leveled by adjusting the inclination angle to achieve wind protection. In addition, the illuminated area of ​​crops under the photovoltaic panel can be adjusted by adjusting the inclination angle without affecting the normal growth of the crops. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0032] Figure 1 This is a schematic diagram of the structure of a mid-span adjustable tilt flexible photovoltaic bracket proposed in one embodiment of the present application;

[0033] Figure 2 It is a schematic diagram of the arrangement of the first bracket body and the second bracket body in the mid-span adjustable tilt flexible photovoltaic bracket proposed in one embodiment of the present application;

[0034] Figure 3 It is a structural schematic diagram of the first bracket body in the mid-span adjustable tilt flexible photovoltaic bracket proposed in one embodiment of the present application;

[0035] Figure 4 This application Figure 3 A partial enlarged schematic diagram of point C in the middle;

[0036] Figure 5 It is a schematic diagram of the linkage relationship between the first bracket body and a plurality of second bracket bodies in a mid-span adjustable tilt flexible photovoltaic bracket proposed in an embodiment of the present application;

[0037] Figure 6 This application Figure 5 A partial enlarged schematic diagram of point D in the middle;

[0038] Figure 7This is a schematic diagram of the arrangement of windproof components in a square array in a mid-span adjustable tilt flexible photovoltaic support proposed in an embodiment of the present application;

[0039] Figure 8 It is a structural schematic diagram of a windproof component in a mid-span adjustable tilt flexible photovoltaic support proposed in an embodiment of the present application;

[0040] Fig. 9 This application Figure 8 A partial enlarged schematic diagram of point E in the middle;

[0041] Fig.10 This application Figure 1 A top view of

[0042] Fig.11 This application Figure 1 Rear view of.

[0043] Description of reference numerals:

[0044] 1. First bracket body; 11. First column; 12. First rotating frame; 13. First component cable;

[0045] 2. Second bracket body; 21. Second column; 22. Second rotating frame; 23. Second component cable

[0046] 3. Electric push rod;

[0047] 41. Swing arm; 42. Push-pull rod;

[0048] 5. Windproof assembly; 51. First windproof column; 52. Second windproof column; 53. First reinforcing rod; 54. Windproof cable; 55. Support arm;

[0049] 61. third column; 62. rotating beam; 63. second reinforcing rod;

[0050] 7. Photovoltaic panels;

[0051] A, driving group; B, driven group; B1, first driven group; B2, second driven group; B3, third driven group; B4, fourth driven group; B5, fifth driven group; B6, sixth driven group. DETAILED DESCRIPTION

[0052] 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 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.

[0053] In the related art, a medium-span flexible bracket refers to a photovoltaic bracket with a column span of 16-20 meters from east to west, and a steel cable with a certain degree of flexibility between the columns as a photovoltaic panel support. The two ends of the steel cable are fixed to the two outermost beams, and the steel cable is tightened by applying a certain tension to the steel cable. The photovoltaic panel is installed on the tightened steel cable. This bracket allows a certain amount of sagging in the middle of the steel cable, and allows slow shaking under wind load conditions, so it is called a flexible bracket. After the photovoltaic panel is installed on the photovoltaic bracket, the angle between the normal on the upper surface of the photovoltaic panel and the ground plane is the inclination of the photovoltaic panel. At the optimal inclination position, the sunlight is incident vertically on the photovoltaic panel, and the power generation is the largest at this time. However, in the related art, the inclination of the photovoltaic panel is a fixed value and cannot be adjusted. As the solar altitude angle changes, the sunlight received on the photovoltaic panel cannot always remain vertically incident, and there is cosine loss, which causes power generation loss.

[0054] In view of this, an embodiment of the present application proposes a mid-span adjustable tilt flexible photovoltaic bracket.

[0055] See also Figure 1 and Figure 2 , a mid-span adjustable tilt flexible photovoltaic bracket for mounting photovoltaic panels 7, comprising:

[0056] A first bracket body 1, a second bracket body 2 and a driving assembly;

[0057] The first bracket body 1 includes a plurality of first columns 11 arranged at intervals along a first direction, and a first rotating frame 12 is hingedly provided at the end of the first column 11; the first bracket body 1 also includes two first component cables 13 arranged in parallel, the two first component cables 13 extend along the first direction, and the two first component cables 13 are respectively connected to the two sides of each first rotating frame 12, and a first installation plane is formed between the two first component cables 13;

[0058] The second bracket body 2 includes a plurality of second columns 21 arranged at intervals along the first direction, and a second rotating frame 22 is hingedly provided at the end of the second column 21; the second bracket body 2 also includes two second component cables 23 arranged in parallel, the two second component cables 23 extend along the first direction, and the two second component cables 23 are respectively connected to the two sides of each second rotating frame 22, and a second installation plane is formed between the two second component cables 23;

[0059] The second bracket body 2 is provided in plurality, and the first bracket body 1 and the plurality of the second bracket bodies 2 are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction;

[0060] The driving assembly includes a plurality of driving mechanisms, each of which corresponds to the first rotating frames 12 one by one, and the driving mechanisms are connected to the first rotating frames 12, and are used to drive the corresponding first rotating frames 12 to rotate;

[0061] Along the second direction, a transmission assembly is arranged between adjacent first rotating frames 12 and second rotating frames 22, and between two adjacent second rotating frames 22; the transmission assembly is used to transmit the movement of the first rotating frame 12 to the adjacent second rotating frame 22, or to transmit the movement of the second rotating frame 22 to another adjacent second rotating frame 22.

[0062] For details, see Figure 2 and Figure 3 , with the east-west direction as the first direction and the north-south direction as the second direction. One first bracket body 1 is provided, and a plurality of first columns 11 are spaced apart along the first direction; a first rotating frame 12 is hingedly provided at the end of the first column 11, and the first rotating frame 12 serves as the installation base of the first component cable 13. The first component cable 13 is a steel cable with a certain flexibility, and two first component cables 13 are respectively connected to the two sides of each first rotating frame 12, and the two first component cables 13 are arranged in parallel and extend along the first direction, and a first installation plane for installing the photovoltaic panel 7 is formed between the two first component cables 13; the first rotating frame 12 is perpendicular to the direction of the first component cable 13, and when all the first rotating frames 12 rotate synchronously around their respective hinged positions, the first installation plane rotates, and the angle between the first installation plane and the horizontal plane changes, thereby changing the inclination angle of the photovoltaic panel 7 installed on the first installation plane.

[0063] Multiple driving mechanisms are distributed at intervals in the length direction of the first bracket body 1, and the multiple driving mechanisms correspond one-to-one to the multiple first rotating frames 12, and are used to drive the corresponding first rotating frames 12 to rotate. By configuring multiple driving points on the first bracket body 1, the synchronous adjustment of the inclination angle of the photovoltaic panel 7 on the first bracket body 1 is achieved by electrical drive, avoiding the situation where the steel cable is twisted off due to asynchronous adjustment, thereby ensuring the normal operation of the photovoltaic panel 7.

[0064] The second bracket body 2 includes a plurality of second columns 21, which are also spaced apart along the first direction. A second rotating frame 22 is hingedly provided at the end of the second column 21. The second rotating frame 22 serves as the installation base of the second component cable 23. The second component cable 23 is a steel cable with certain flexibility. Two second component cables 23 are respectively connected to the two sides of each second rotating frame 22. The two second component cables 23 are arranged in parallel and extend along the first direction. A second installation plane for installing the photovoltaic panel 7 is formed between the two second component cables 23. The second rotating frame 22 is perpendicular to the direction of the second component cable 23. When all the second rotating frames 22 rotate synchronously around their respective hinged positions, the second installation plane rotates, and the angle between the second installation plane and the horizontal plane changes, thereby changing the inclination angle of the photovoltaic panel 7 installed on the second installation plane.

[0065] The second bracket body 2 is provided with a plurality of them and is spaced apart along the second direction on both sides of the first bracket body 1. Along the second direction, a transmission assembly is provided between adjacent first rotating frames 12 and second rotating frames 22, and between two adjacent second rotating frames 22, and the motion is transmitted by mechanical linkage. When the first rotating frame 12 rotates, the second rotating frame 22 adjacent thereto is driven to rotate, and then the remaining second rotating frames 22 are driven to rotate in turn.

[0066] As an example, the first bracket body 1 is used as the driving group A, and the second bracket body 2 is used as the driven group B. Figure 5 As shown, one driving group A is provided, and six driven groups B are provided and evenly distributed on the north and south sides of the driving group A. Extending from the driving group A to the north, the first driven group B1, the third driven group B3, and the fifth driven group B5 are arranged in sequence. Through the transmission assembly, the motion is transmitted from the driving group A to the first driven group B1, transmitted to the third driven group B3 through the first driven group B1, and transmitted to the fifth driven group B5 through the third driven group B3; extending from the driving group A to the south, the second driven group B2, the fourth driven group B4, and the sixth driven group B6 are arranged in sequence. Through the transmission assembly, the motion is transmitted from the driving group A to the second driven group B2, transmitted to the fourth driven group B4 through the second driven group B2, and transmitted to the sixth driven group B6 through the fourth driven group B4. Therefore, through the transmission assembly, the motion is transmitted from the driving group A to the north and south sides away from the driving group A, realizing the synchronization of the motions between the different rows of brackets.

[0067] Optionally, the number of the second bracket bodies 2 may be an odd number or an even number, and may be symmetrically distributed on both sides of the first bracket body 1 or asymmetrically distributed.

[0068] Optionally, the driving mechanism includes an electric push rod 3 , one end of which is hinged to the first column 11 , and the other end of which is hinged to the end of the first rotating frame 12 .

[0069] For details, see Figure 4 The lower end of the electric push rod 3 is hinged to the middle part of the first column 11, and the upper end of the electric push rod 3 is hinged to one end of the first rotating frame 12. When the electric push rod 3 is working, the push rod is extended to push the first rotating frame 12 to rotate around its hinge point. The push rod is shortened and pulls the first rotating frame 12 to rotate in the opposite direction around its hinge point, and then the two first component cables 13 connected to the two sides of the first rotating frame 12 move accordingly, and then the inclination angle of the photovoltaic panel 7 installed on the first mounting surface changes.

[0070] In other embodiments, a rotary reducer may also be used as a driving mechanism to drive the first rotating frame 12 to rotate.

[0071] Optionally, the transmission assembly includes a swing arm 41 and a push-pull rod 42; one end of the swing arm 41 is fixed to the first rotating frame 12 or the second rotating frame 22, and the other end of the swing arm 41 is hinged to the push-pull rod 42; along the second direction, the push-pull rod 42 is arranged between two adjacent swing arms 41, and both ends of the push-pull rod 42 are respectively hinged to the two adjacent swing arms 41.

[0072] For details, see Figure 5 and Figure 6 , swing arms 41 are fixedly provided on the first rotating frame 12 and the second rotating frame 22. In the second direction, a push-pull rod 42 is connected between two adjacent swing arms 41, and the two ends of the push-pull rod 42 are respectively hinged to the lower ends of the two adjacent swing arms 41. Since the hinge holes at the lower ends of all the swing arms 41 are at equal distances from the hinge centers of the first rotating frame 12 or the second rotating frame 22 connected thereto, a parallelogram connecting rod transmission mechanism is formed. When the first rotating frame 12 swings around its hinge point under the drive of the corresponding driving mechanism, the swing arms 41 on the first rotating frame 12 swing together, driving the push-pull rod 42 to move, and driving the adjacent swing arms 41 to move synchronously. Therefore, this swinging motion is synchronously transmitted to all the second rotating frames 22 through the parallelogram connecting rod transmission mechanism, and the motion is synchronously transmitted from the driving group A to all the driven groups B.

[0073] Optionally, the mid-span adjustable tilt flexible photovoltaic support further includes a windproof component 5, and the windproof component 5 includes two windproof column units;

[0074] The windproof column unit comprises a first windproof column 51 and a second windproof column 52 arranged along the second direction, a first reinforcing rod 53 is arranged between the first windproof column 51 and the second windproof column 52, and two ends of the first reinforcing rod 53 are respectively connected to the first windproof column 51 and the second windproof column 52;

[0075] A windproof cable 54 is connected between the two windproof column units, and the windproof cable 54 extends along the second direction;

[0076] The first windproof column 51, the second windproof column 52 and the windproof cable 54 are all hingedly provided with support arms 55, and both sides of the support arms 55 are respectively connected to the first component cable 13 or the second component cable 23.

[0077] For details, see Figure 7 and Figure 8 The two windproof column units are respectively located at the two ends of the windproof component 5, wherein the first windproof column 51 is on the outside and the second windproof column 52 is on the inside. A first reinforcing rod 53 is connected between the adjacent first windproof columns 51 and the second windproof columns 52. The first reinforcing rod 53 is a rigid part. By setting the first reinforcing rod 53, the structural strength of the windproof column unit can be enhanced and the wind resistance can be increased.

[0078] A windproof cable 54 is connected between the two second windproof columns 52, and the windproof cable 54 extends along the second direction. The windproof assembly 5 is arranged inside the square array formed by the first bracket body 1 and the plurality of second bracket bodies 2. The windproof cable 54 is perpendicular to the direction of the first assembly cable 13 and the second assembly cable 23, so there is an intersection area between the windproof cable 54 and the first assembly cable 13, and between the windproof cable 54 and the second assembly cable 23 in space, and a support arm 55 is arranged at the intersection area. For details, see Fig. 9 A hinge seat is provided on the windproof cable 54, and the support arm 55 provided on the windproof cable 54 has a structure similar to a triangle, one vertex of the triangle is hinged to the windproof cable 54 through the hinge seat, and the side opposite to the vertex is used to connect the first component cable 13 or the second component cable 23, and the two sides of the support arm 55 are respectively connected to the two first component cables 13 or respectively connected to the two second component cables 23 in the same second bracket body 2. The support arm 55 can rotate around the hinge seat, and while the windproof cable 54 provides wind protection, the support arm 55 can swing along with the movement of the first component cable 13 and the second component cable 23, without affecting the tilt adjustment movement.

[0079] Optionally, two first reinforcing rods 53 are arranged between the first windproof column 51 and the second windproof column 52, and the two first reinforcing rods 53 are arranged crosswise. Specifically, one end of one first reinforcing rod 53 is connected to the upper end of the first windproof column 51, and the other end is connected to the lower end of the second windproof column 52, and the other first reinforcing rod 53 is connected to the lower end of the first windproof column 51 at one end, and the other end is connected to the upper end of the second windproof column 52. The middle parts of the two first reinforcing rods 53 are crossed and fixed at the intersection, which plays a role of further reinforcement, enhances the structural strength of the windproof column unit, and improves the wind resistance performance.

[0080] In other embodiments, the first reinforcing rod 53 may also be replaced by a diagonal rod, one end of which is connected to the upper end of the second windproof column 52 , and the other end of which is connected to the lower end of the first windproof column 51 .

[0081] Optionally, a plurality of windproof components 5 are provided, and the plurality of windproof components 5 are arranged at intervals along the first direction.

[0082] See also Figure 7 Specifically, the windproof column units are located at the southernmost and northernmost sides of the entire array. Since the wind pressure is greatest at the edge of the array and decreases at the center of the array, the windproof column units are set at the edge of the entire array, and two first reinforcing rods 53 are cross-arranged to reinforce the windproof units, which is beneficial to resisting wind pressure. The central area of ​​the array is protected from the wind by windproof cables 54, which not only ensures wind resistance but also helps save steel materials and reduce construction costs.

[0083] In order to further strengthen the windproof design of the north and south edges of the square array, two cross-arranged first reinforcing rods 53 can be provided between the two southernmost rows of second columns 21 and between the two northernmost rows of second columns 21 in the north-south direction for reinforcement. Figure 7 As shown, a windproof structure similar to a windproof unit is formed to improve the windproof performance of the north and south edges of the array.

[0084] Optionally, the first wind protection column 51 and the second wind protection column 52 are located between two adjacent first columns 11 or between two adjacent second columns 21 .

[0085] See also Figure 7 By setting the windproof component 5 inside the square array and adopting a staggered arrangement, the first windproof column 51 and the second windproof column 52 are located between two adjacent first columns 11 or between two adjacent second columns 21, which does not affect the floor area of ​​the entire square array, ensuring that the photovoltaic brackets are laid in the largest range within the project land acquisition area, thereby ensuring power generation.

[0086] In this embodiment, the windproof column unit is located at the edge of the square array, and the positions and intervals of the first windproof column 51 and the second windproof column 52 correspond to the arrangement of the first column 11 or the second column 21. In other embodiments, the windproof column unit can also be arranged outside the square array. In this arrangement, the upper ends of the first windproof column 51 and the second windproof column 52 do not need to be connected to the first component cable 13 or the second component cable 23 by the hinged support arm 55.

[0087] Optionally, along the first direction, third columns 61 are respectively provided at both ends of the first bracket body 1 and both ends of the second bracket body 2; a rotating beam 62 is provided between the third column 61 and the first column 11 adjacent thereto, and between the third column 61 and the second column 21 adjacent thereto; one end of the rotating beam 62 is connected to the first rotating frame 12 or the second rotating frame 22, and the other end of the rotating beam 62 is rotatably connected to the end of the third column 61.

[0088] See also Figure 1 , Fig.10 and Fig.11 Specifically, the rotating beam 62 is a rigid part, and a rotating support seat is provided at the top of the first column 11, the second column 21 and the third column 61. One end of the rotating beam 62 is inserted into the rotating support seat of the first column 11 or the second column 21, and is fixed to the first rotating frame 12 or the second rotating frame 22 through the rotating support seat; the other end of the rotating beam 62 is inserted into the rotating support seat of the third column 61, and can rotate in the rotating support seat. Therefore, when the first rotating frame 12 or the second rotating frame 22 rotates, the rotating beam 62 can be driven to rotate synchronously. The rotating beam 62 can serve as the installation base of the photovoltaic panel 7. When the rotating beam 62 rotates synchronously with the first rotating frame 12 or the second rotating frame 22, the photovoltaic panel 7 thereon also achieves synchronous adjustment of the inclination angle.

[0089] By arranging a rotating beam 62 between the third column 61 and the first column 11 adjacent thereto, and between the third column 61 and the second column 21 adjacent thereto, a flat single-axis tracking bracket structure is formed. As the installation basis for the photovoltaic panel 7, it is possible to increase the installed capacity, improve the power generation, and synchronously transmit the motion to achieve synchronous adjustment of the inclination angle. At the same time, the third column 61 and the rotating beam 62 are located at the east and west edges of the array, which adds rigid support to the original flexible photovoltaic bracket array and improves the wind resistance of the entire array.

[0090] Optionally, a second reinforcing rod 63 is provided between the third column 61 and the first column 11 adjacent thereto, and between the third column 61 and the second column 21 adjacent thereto, and one end of the second reinforcing rod 63 is connected to the third column 61, and the other end is connected to the first column 11 or the second column 21.

[0091] The second reinforcing rod 63 is a rigid part. The second reinforcing rod 63 is provided to ensure the connection strength between the third column 61 and the first column 11 or the second column 21, so that the installation of the rotating beam 62 is more stable and firm. On the other hand, the structural strength of the east and west edges of the array is enhanced, and the wind resistance is further improved.

[0092] Optionally, two second reinforcing rods 63 are arranged between the third column 61 and the first column 11 adjacent thereto, and between the third column 61 and the second column 21 adjacent thereto, and the two second reinforcing rods 63 are arranged crosswise. Specifically, one end of one second reinforcing rod 63 is connected to the upper end of the first column 11 or the second column 21, and the other end is connected to the lower end of the third column 61; one end of the other second reinforcing rod 63 is connected to the lower end of the first column 11 or the second column 21, and the other end is connected to the upper end of the third column 61. The middle parts of the two second reinforcing rods 63 form a cross and are fixed at the cross. This arrangement can further reinforce the structure and improve the strength and stability of the structure.

[0093] In other embodiments, the second reinforcing rod 63 may also be replaced by a diagonal rod, one end of which is connected to the upper end of the first column 11 or the second column 21 , and the other end is connected to the lower end of the third column 61 .

[0094] The present application realizes the synchronous adjustment of the inclination angle at the two-dimensional matrix level by means of multi-point electrical drive and mechanical linkage, avoids the situation that the steel cable is twisted off due to the asynchronous adjustment of the same row of photovoltaic brackets, ensures the normal operation of the photovoltaic panel 7, and only needs to use one row of brackets as the driving group A to drive the other multiple rows of brackets to move synchronously. The structure layout is simple, which is conducive to saving equipment investment and reducing operating costs. The present application solves the problem that the inclination angle is a fixed value and the inclination angle is not adjustable in the prior art. When the solar altitude angle changes, by adjusting the inclination angle, it can ensure that the sunlight is incident vertically on the photovoltaic panel 7 to the greatest extent, thereby reducing the cosine loss and increasing the power generation; in extreme typhoon weather, by adjusting the inclination angle to make the photovoltaic panel 7 flat, it can play a role of wind protection; in addition, since there are crops under the photovoltaic panel 7, when a large amount of light is needed during the growth period of the crops, by adjusting the inclination angle of the photovoltaic panel 7, the area of ​​the crops irradiated by sunlight can be improved, thereby meeting the growth needs of the crops.

[0095] It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0096] It should also be noted that, in this article, the orientation or position relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations, nor can they be understood as indicating or implying relative importance. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. Without more restrictions, an element defined by the phrase "comprising a ..." does not exclude the existence of other identical elements in the process, method, article or terminal device comprising the element.

[0097] The technical solution provided by the present application is described in detail above. The principle and implementation method of the present application are described in this article using specific examples. The description of the above embodiments is only used to help understand the present application, and the content of this specification should not be understood as limiting the present application. At the same time, for those of ordinary skill in the art, according to the present application, there will be different forms of changes in the specific implementation methods and application scopes. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the scope of protection of the present application.

Claims

1. A mid-span adjustable tilt flexible photovoltaic bracket for installing photovoltaic panels, characterized in that: include: A first bracket body, a second bracket body and a drive assembly; The first bracket body includes a plurality of first columns arranged at intervals along a first direction, and a first rotating frame is hingedly provided at the end of the first column; the first bracket body also includes two first component cables arranged in parallel, the two first component cables extend along the first direction, and the two first component cables are respectively connected to two sides of each first rotating frame, and a first installation plane is formed between the two first component cables; The second bracket body includes a plurality of second columns arranged at intervals along the first direction, and a second rotating frame is hingedly provided at the end of the second column; the second bracket body also includes two second component cables arranged in parallel, the two second component cables extend along the first direction, and the two second component cables are respectively connected to two sides of each second rotating frame, and a second installation plane is formed between the two second component cables; The second bracket body is provided in plurality, the first bracket body and the plurality of the second bracket bodies are arranged at intervals along a second direction, and the second direction is perpendicular to the first direction; The driving assembly includes a plurality of driving mechanisms, the plurality of driving mechanisms correspond to the plurality of first rotating frames one by one, the driving mechanisms are connected to the first rotating frames, and the driving mechanisms are used to drive the corresponding first rotating frames to rotate; Along the second direction, a transmission assembly is arranged between adjacent first rotating frames and second rotating frames, and between two adjacent second rotating frames; the transmission assembly is used to transmit the movement of the first rotating frame to the adjacent second rotating frame, or to transmit the movement of the second rotating frame to another adjacent second rotating frame.

2. The mid-span adjustable tilt flexible photovoltaic bracket according to claim 1, characterized in that: The driving mechanism comprises an electric push rod, one end of which is hinged to the first column, and the other end of which is hinged to the end of the first rotating frame.

3. The mid-span adjustable tilt flexible photovoltaic bracket according to claim 1, characterized in that: The transmission assembly includes a swing arm and a push-pull rod; One end of the swing arm is fixed to the first rotating frame or the second rotating frame, and the other end of the swing arm is hinged to the push-pull rod; Along the second direction, the push-pull rod is arranged between two adjacent swing arms, and two ends of the push-pull rod are respectively hinged to the two adjacent swing arms.

4. The mid-span adjustable tilt flexible photovoltaic support according to claim 1, characterized in that: Also included is a windproof assembly, the windproof assembly comprising two windproof column units; The windproof column unit comprises a first windproof column and a second windproof column arranged along the second direction, a first reinforcing rod is arranged between the first windproof column and the second windproof column, and two ends of the first reinforcing rod are respectively connected to the first windproof column and the second windproof column; A windproof cable is connected between the two windproof column units, and the windproof cable extends along the second direction; The first windproof column, the second windproof column and the windproof cable are all hingedly provided with support arms, and both sides of the support arms are respectively connected to the first component cable or the second component cable.

5. The mid-span adjustable tilt flexible photovoltaic support according to claim 4, characterized in that: Two first reinforcing rods are arranged between the first windproof column and the second windproof column, and the two first reinforcing rods are cross-arranged.

6. The mid-span adjustable tilt flexible photovoltaic support according to claim 5, characterized in that: A plurality of the windproof components are provided, and the plurality of the windproof components are arranged at intervals along the first direction.

7. The mid-span adjustable tilt flexible photovoltaic support according to claim 6, characterized in that: The first windproof column and the second windproof column are located between two adjacent first columns or between two adjacent second columns.

8. The mid-span adjustable tilt flexible photovoltaic bracket according to any one of claims 1 to 7, characterized in that: Along the first direction, both ends of the first bracket body and both ends of the second bracket body are respectively provided with third columns; A rotating beam is provided between the third column and the first column adjacent thereto, and between the third column and the second column adjacent thereto; One end of the rotating beam is connected to the first rotating frame or the second rotating frame, and the other end of the rotating beam is rotatably connected to the end of the third column.

9. The mid-span adjustable tilt flexible photovoltaic support according to claim 8, characterized in that: A second reinforcing rod is provided between the third column and the first column adjacent thereto, and between the third column and the second column adjacent thereto, one end of the second reinforcing rod is connected to the third column, and the other end is connected to the first column or the second column.

10. The mid-span adjustable tilt flexible photovoltaic support according to claim 9, characterized in that: Two second reinforcing rods are arranged between the third column and the first column adjacent thereto, and between the third column and the second column adjacent thereto, and the two second reinforcing rods are cross-arranged.

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