Photovoltaic node installation system and method with light steel structure

Abstract

The present invention relates to the field of solar photovoltaic application technology, and specifically to a photovoltaic node installation system and method for a light steel structure, comprising a mounting platform and a partition fixedly installed on the mounting platform, a movable seat being slidably installed on the mounting platform, two groups of clamping seats being slidably installed on the top of the movable seat, two groups of base frames being fixedly installed on one side of the partition, multiple groups of assembly seats being arranged between two adjacent groups of base frames, clamping seats for clamping light steel structures being rotatably installed on both sides of the assembly seats, an adjustment system being arranged on one side of the clamping seats, and spacing devices being arranged inside the multiple groups of assembly seats. The photovoltaics are placed in adjacent clamping seats, the position of the movable seats is adjusted, the spacing between the multiple groups of assembly seats is adjusted by the spacing devices, the number of light steel structures that need to be installed is determined, the light steel structures are installed in the clamping seats, the adjustment system adjusts the inclination angle between the light steel structure and the photovoltaics in the clamping seats, and different nodes are installed according to the inclination angle of the connection between the light steel structure and the photovoltaics.

Description

Technical Field

[0001] The present invention relates to the technical field of solar photovoltaic applications, and in particular to a photovoltaic node installation system and method with a light steel structure. Background Art

[0002] Traditional solar photovoltaic modules are basically based on steel structures and aluminum profiles as the skeleton, and use various connectors and screws to make the bracket structure for installing photovoltaic modules. Therefore, when installing the photovoltaic system on the light steel structure, it is necessary to ensure that the steel structure can withstand the load of photovoltaic modules, brackets and wind and snow, and then confirm the matching of the steel structure node beam-column connection with the photovoltaic bracket to avoid conflict. Therefore, when processing the node, it is necessary to ensure the connection angle of the node where the light steel structure and the photovoltaic system are connected.

[0003] In the prior art, for example, patent publication number CN108390628A discloses a photovoltaic module installation device and a photovoltaic module assembly, which include an adjustment mechanism and two support beams, the two support beams being used to install photovoltaic modules; the adjustment mechanism is respectively connected to the two support beams for adjusting the spacing and angle of the two support beams, the adjustment mechanism includes a first adjustment rod, the two ends of the first adjustment rod are respectively movably connected to the two support beams, and the angle of the first adjustment rod relative to the two support beams can be adjusted, there are two first adjustment rods, and the two first adjustment rods are connected in a cross shape so as to be rotatable relative to each other.

[0004] The above structure allows the photovoltaic module to adjust the spacing and angle of the two support beams according to the installation situation to adapt to the installation. However, when the photovoltaic module is connected to the light steel structure, the connection node between the light steel structure and the photovoltaic module cannot be installed at different inclination angles. Summary of the Invention

[0005] In view of this, the purpose of the present invention is to propose a photovoltaic node installation system and method for a light steel structure to solve the problem that when the photovoltaic module is connected to the light steel structure, the connection node between the light steel structure and the photovoltaic module cannot be installed at different inclination angles.

[0006] Based on the above objectives, the present invention provides a photovoltaic node installation system with a light steel structure, comprising a mounting platform and a partition fixedly mounted on the mounting platform, a movable seat being slidably mounted on the mounting platform, two sets of clip seats for clamping photovoltaic modules being slidably mounted on the top of the movable seat, the two sets of clip seats being arranged in opposite directions, and a pressure block being slidably mounted on one side of the partition;

[0007] Two sets of base frames are fixedly installed on one side of the partition, and multiple sets of assembly seats are arranged between two adjacent sets of base frames. Clamping seats for clamping the light steel structure are rotatably installed on both sides of the assembly seats. An adjustment system is provided on one side of the clamping seat, and the adjustment system is used to adjust the installation angle of the light steel structure;

[0008] A spacing device is provided inside the multiple groups of assembly seats, and the spacing device is used to adjust the spacing between the multiple groups of assembly seats.

[0009] Preferably, the adjustment system includes two groups of worm sleeves rotatably mounted inside the multiple groups of assembly seats, the two groups of worm sleeves are slidably mounted with rotating rods inside the two groups of worm sleeves, the rotating rods are rotatably mounted inside the base frame, one side of the worm sleeves is engaged with a worm wheel, and the worm wheel is fixedly connected to the clamping seat;

[0010] Gears are fixedly installed on the top of the two groups of rotating rods, and a toothed plate is engaged on one side of the gear. The two groups of toothed plates are used to drive the two groups of gears to rotate in opposite directions. The opposite ends of the toothed plates are movably connected to connecting rods, and the other ends of the two adjacent groups of connecting rods are movably connected to shaking handles.

[0011] Preferably, corresponding keys and keyways are provided on the outside of the rotating rod and the inside of the worm sleeve respectively, and the two groups of rotating rods are arranged in a mirror-symmetrical manner with respect to the center of the assembly seat.

[0012] Preferably, the spacing device includes a servo motor fixedly mounted on the mounting table, the output end of the servo motor is fixedly connected to a guide rod, the guide rod passes through the bottom chassis, the top end of the guide rod is fixedly mounted with a screw, the screw passes through the interior of multiple groups of assembly seats, and a nut seat corresponding to the screw is movably mounted inside one group of assembly seats;

[0013] One side of the plurality of groups of assembly seats is movably mounted with hinged rods.

[0014] Preferably, two adjacent groups of connecting rods are symmetrically arranged with the center of the shaking handle as the standard.

[0015] Preferably, the assembly seat includes a short rod fixedly mounted on one side of the base frame, the top end of the short rod is hinged with multiple groups of long rods, the multiple groups of long rods are hinged to each other, and the center of the long rod is movably connected to one side of the assembly seat.

[0016] Preferably, a diagonal brace holder is fixedly mounted on one side of the plurality of groups of assembly seats, and at least three groups of the diagonal brace holders and assembly seats are provided.

[0017] A method for installing a photovoltaic node on a light steel structure, applied to the above-mentioned photovoltaic node installation system on a light steel structure, comprises the following steps:

[0018] Place the PV modules and determine the inclination angle. Place the PV modules in adjacent mounting brackets, adjust the position of the movable brackets to ensure that the PV modules overlap with the partitions and that the pressure blocks are located on the PV modules. Calculate the optimal inclination angle for the connection between the light steel structure and the PV modules based on the local latitude to ensure that the PV modules achieve the optimal inclination angle after installation. Mark the bolt hole locations on one side of the PV modules according to the drawings and clean up the metal shavings after drilling.

[0019] Installation of large-area photovoltaic modules; when the area of the photovoltaic modules is large, repeat step 1, and after the large-area photovoltaic modules are overlapped with the partitions, the guide rod and the screw are driven by the servo motor to rotate simultaneously. The nut seat and the screw inside one group of assembly seats rotate, driving the assembly seat to move upward. At the same time, the hinged rod on one side of the assembly seat is used to pull the remaining assembly seat spacing. Multiple nodes between light steel structures and photovoltaic modules can be installed at the same time.

[0020] Position the angle of the light steel structure bracket; determine the number of light steel structures to be installed, temporarily fix the triangular bracket on the light steel structure, install the light steel structure in the clamping seat, and fit the light steel structure with the triangular bracket on the photovoltaic module. Then use a laser level to calibrate the initial inclination angle, and tighten the position of the light steel structure and photovoltaic module with a torque wrench;

[0021] Adjustment system: by shaking the handle, the toothed plate at the end of the connecting rod moves, which in turn drives the gear to rotate. The rotating rod rotates at the same time, and the worm sleeve and worm wheel outside the rotating rod rotate, which in turn drives the clamping seat to rotate and adjust the inclination angle of the light steel structure in the clamping seat and the photovoltaic module.

[0022] Node connection; when the connection angle between the light steel structure and the photovoltaic module is less than 30°, high-strength bolts are used to penetrate the triangular bracket of the light steel structure and the photovoltaic module from bottom to top, the gasket is located on the nut side, and double nuts and spring washers are used to prevent loosening. When the connection angle between the light steel structure and the photovoltaic module is greater than 30°, the flange is rigidly fixed, and a diagonal brace is added inside the diagonal brace holder. The diagonal brace and the light steel structure are continuously welded with welding rods, and anti-corrosion treatment is performed after welding.

[0023] Beneficial effects of the present invention:

[0024] Place the photovoltaic modules in adjacent card seats, adjust the position of the movable seats, keep the photovoltaic modules overlapped with the partitions, and ensure that the pressure blocks are located on the photovoltaic modules. When the photovoltaic modules are large in area, after the large-area photovoltaic modules overlap with the partitions, adjust the spacing between multiple assembly seats through the spacing device, determine the number of light steel structures that need to be installed, install the light steel structures in the clamping seats, and adjust the inclination angle of the light steel structures and photovoltaic modules in the clamping seats through the adjustment system. Install different nodes according to the connection inclination angle of the light steel structures and photovoltaic modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0027] Figure 2 It is a schematic side view of the overall three-dimensional structure of the present invention;

[0028] Figure 3 Schematic diagram of the three-dimensional structure of the assembly seat in the present invention;

[0029] Figure 4 It is a rear view structural diagram of the entire present invention;

[0030] Figure 5 It is a schematic side planar structural diagram of the present invention as a whole;

[0031] Figure 6 This is a schematic structural diagram of the connection between the worm sleeve and the worm wheel of the present invention;

[0032] Figure 7 This is a system flow chart of the entire present invention.

[0033] The markings in the figure are: 1. Mounting table; 2. Partition; 3. Base frame; 4. Moving seat; 5. Clamping seat; 7. Pressure block; 8. Assembly seat; 9. Spacing device; 10. Clamping seat; 11. Adjustment system; 12. Servo motor; 13. Nut seat; 14. Screw; 15. Guide rod; 16. Articulated rod; 17. Worm sleeve; 18. Worm gear; 19. Gear; 20. Tooth plate; 21. Rotating rod; 23. Connecting rod; 24. Crank handle; 25. Diagonal support seat; 26. Short rod; 27. Long rod. DETAILED DESCRIPTION

[0034] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to specific embodiments.

[0035] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, a photovoltaic node installation system and method with a light steel structure includes a mounting platform 1 and a partition 2 fixedly mounted on the mounting platform 1. A movable seat 4 is slidably mounted on the mounting platform 1. Two sets of clamping seats 5 for clamping photovoltaic modules are slidably mounted on the top of the movable seat 4. The two sets of clamping seats 5 are arranged in opposite directions. A pressure block 7 is slidably mounted on one side of the partition 2.

[0036] Two sets of base frames 3 are fixedly installed on one side of the partition 2, and multiple sets of assembly seats 8 are provided between two adjacent sets of base frames 3. Clamping seats 10 for clamping the light steel structure are rotatably installed on both sides of the assembly seats 8. An adjustment system 11 is provided on one side of the clamping seat 10. The adjustment system 11 is used to adjust the installation angle of the light steel structure;

[0037] A spacing device 9 is provided inside the multiple groups of assembly seats 8 , and the spacing device 9 is used to adjust the spacing between the multiple groups of assembly seats 8 .

[0038] In this embodiment, the photovoltaic is placed in the adjacent clamping seat 5, the position of the movable seat 4 is adjusted, the photovoltaic is kept overlapping with the partition 2, and the pressure block 7 is ensured to be located on the photovoltaic. When the photovoltaic area is large, after the large-area photovoltaic is overlapped with the partition 2, the spacing between the multiple groups of assembly seats 8 is adjusted by the spacing device 9 to determine the number of light steel structures that need to be installed. The steel structure is installed in the clamping seat 10, and the adjustment system 11 adjusts the inclination angle of the light steel structure and the photovoltaic module in the clamping seat 10. Different nodes are installed according to the connection inclination angle of the light steel structure and the photovoltaic module.

[0039] As an implementation method, Figure 4 、 Figure 5 and Figure 6 As shown, the adjustment system 11 includes two sets of worm sleeves 17 rotatably mounted inside the multiple assembly bases 8. A rotating rod 21 is slidably mounted inside the two sets of worm sleeves 17. The rotating rod 21 is rotatably mounted inside the base frame 3. A worm wheel 18 is engaged on one side of the worm sleeve 17. The worm wheel 18 is fixedly connected to the clamping base 10.

[0040] Gears 19 are fixedly installed on the top of the two sets of rotating rods 21, and a toothed plate 20 is engaged on one side of the gear 19. The two sets of toothed plates 20 are used to drive the two sets of gears 19 to rotate in opposite directions. The opposite ends of the toothed plates 20 are movably connected to connecting rods 23, and the other ends of the two adjacent sets of connecting rods 23 are movably connected to shaking handles 24.

[0041] The outside of the rotating rod 21 and the inside of the worm sleeve 17 are respectively provided with corresponding keys and keyways, and the two sets of rotating rods 21 are arranged in a mirror-symmetrical manner with respect to the center of the assembly seat 8 .

[0042] In this embodiment, the toothed plate 20 at the end of the connecting rod 23 is moved by shaking the handle 24, thereby driving the gear 19 to rotate, and the rotating rod 21 rotates at the same time. The worm sleeve 17 and the worm wheel 18 outside the rotating rod 21 rotate, thereby driving the clamping seat 10 to rotate, and adjusting the inclination angle of the light steel structure and the photovoltaic module in the clamping seat 10.

[0043] As an implementation method, Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 As shown, the spacing device 9 includes a servo motor 12 fixedly mounted on the mounting table 1, the output end of the servo motor 12 is fixedly connected to a guide rod 15, the guide rod 15 passes through the bottom chassis 3, the top end of the guide rod 15 is fixedly mounted with a screw 14, the screw 14 passes through the interior of multiple groups of assembly seats 8, and a nut seat 13 corresponding to the screw 14 is movably mounted inside one group of assembly seats 8;

[0044] A hinged rod 16 is movably mounted on one side of the multiple assembly seats 8 .

[0045] The two adjacent groups of connecting rods 23 are symmetrically arranged with the center of the rocking handle 24 as the standard.

[0046] In this embodiment, the guide rod 15 and the screw 14 are driven to rotate simultaneously by the servo motor 12, and the nut seat 13 and the screw 14 inside one group of the assembly seat 8 are rotated to drive the assembly seat 8 to move upward. At the same time, the hinged rod 16 on one side of the assembly seat 8 is used to pull the remaining spacing of the assembly seat 8, so that multiple nodes between light steel structures and photovoltaic components can be installed at the same time.

[0047] As an implementation method, Figure 1 、 Figure 2 、 Figure 3 As shown, the hinged rod 16 includes a short rod 26 fixedly mounted on one side of the base frame 3, and the top end of the short rod 26 is hinged with multiple groups of long rods 27. The multiple groups of long rods 27 are hinged to each other, and the center of the long rod 27 is movably connected to one side of the assembly seat 8.

[0048] Among them, a diagonal support bracket 25 is fixedly installed on one side of the multiple groups of assembly seats 8, and at least three groups of the diagonal support bracket 25 and the assembly seats 8 are provided.

[0049] In this embodiment, the short rod 26 and the long rod 27 are connected, and the short rod 26 and the long rod 27 on one side of the assembly seat 8 are hinged to each other. When the assembly seat 8 moves, the remaining assembly seats 8 are pulled to ensure that the spacing between multiple assembly seats 8 is the same.

[0050] The embodiments of this specification also provide a method for installing a photovoltaic node with a light steel structure, including the following steps:

[0051] Place the photovoltaic module and determine the inclination angle; place the photovoltaic module in the adjacent clamping seat 5, adjust the position of the movable seat 4 to keep the photovoltaic module overlapped with the partition 2, ensure that the pressure block 7 is located on the photovoltaic module, and then calculate the optimal inclination angle of the connection between the light steel structure and the photovoltaic module according to the local latitude to ensure that the photovoltaic module reaches the optimal inclination angle after installation. At the same time, mark the bolt hole position on one side of the photovoltaic module according to the drawing, and clean the metal shavings after drilling;

[0052] Installation of large-area photovoltaic modules; when the area of the photovoltaic module is large, repeat step 1, and after the large-area photovoltaic module is overlapped with the partition 2, the guide rod 15 and the screw 14 are driven by the servo motor 12 to rotate simultaneously, and the nut seat 13 and the screw 14 inside the assembly seat 8 of one group are rotated to drive the assembly seat 8 to move upward. At the same time, the hinged rod 16 on one side of the assembly seat 8 is used to pull the remaining assembly seat 8 spacing. Multiple nodes between the light steel structure and the photovoltaic module can be installed at the same time;

[0053] Angle positioning of the light steel structure bracket; determine the number of light steel structures to be installed, temporarily fix the triangular bracket on the light steel structure, install the steel structure in the clamping seat 10, and fit the light steel structure with the triangular bracket on the photovoltaic module. Then use a laser level to calibrate the initial inclination angle, and tighten the position of the light steel structure and photovoltaic module with a torque wrench;

[0054] Adjustment system: by shaking the handle 24, the toothed plate 20 at the end of the connecting rod 23 moves, thereby driving the gear 19 to rotate, the rotating rod 21 rotates at the same time, and the worm sleeve 17 and the worm wheel 18 outside the rotating rod 21 rotate, thereby driving the clamping seat 10 to rotate, adjusting the inclination angle of the light steel structure in the clamping seat 10 and the photovoltaic module;

[0055] Node connection; when the connection angle between the light steel structure and the photovoltaic module is less than 30°, high-strength bolts are used to penetrate the triangular bracket of the light steel structure and the photovoltaic module from bottom to top, the gasket is located on the nut side, and the double nuts and spring washers are used to prevent loosening. When the connection angle between the light steel structure and the photovoltaic module is greater than 30°, the flange is rigidly fixed, and a diagonal brace is added inside the diagonal brace holder 25. The diagonal brace and the light steel structure are continuously welded with welding rods, and anti-corrosion treatment is performed after welding.

[0056] It should be understood by those skilled in the art that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0057] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A photovoltaic node installation system with a light steel structure, comprising a mounting platform (1) and a partition (2) fixedly mounted on the mounting platform (1), characterized in that: A movable seat (4) is slidably mounted on the mounting platform (1), two groups of clamping seats (5) for clamping photovoltaic components are slidably mounted on the top of the movable seat (4), and the two groups of clamping seats (5) are arranged opposite to each other. A pressure block (7) is slidably mounted on one side of the partition (2); Two groups of base frames (3) are fixedly mounted on one side of the partition (2), and multiple groups of assembly seats (8) are arranged between two adjacent groups of base frames (3). Clamping seats (10) for clamping the light steel structure are rotatably mounted on both sides of the assembly seats (8). An adjustment system (11) is arranged on one side of the clamping seat (10), and the adjustment system (11) is used to adjust the installation angle of the light steel structure. The adjustment system (11) includes two groups of worm sleeves (17) rotatably mounted inside the multiple groups of assembly seats (8), and the two groups of worm sleeves (17) are slidably mounted with rotating rods (21) inside. The rotating rods (21) are rotatably mounted inside the base frame (3), and one side of the worm sleeves (17) is meshed with a worm wheel (18), and the worm wheel (18) is fixedly connected to the clamping seat (10); The top ends of the two groups of rotating rods (21) are fixedly mounted with gears (19), one side of the gears (19) is meshed with a toothed plate (20), and the two groups of toothed plates (20) are used to drive the two groups of gears (19) to rotate in opposite directions. The opposite ends of the toothed plates (20) are movably connected to connecting rods (23), and the other ends of the two adjacent groups of connecting rods (23) are movably connected to a shaking handle (24); A spacing device (9) is provided inside the multiple groups of assembly seats (8), and the spacing device (9) is used to adjust the spacing between the multiple groups of assembly seats (8).

2. A photovoltaic node installation system with a light steel structure according to claim 1, characterized in that: The outside of the rotating rod (21) and the inside of the worm sleeve (17) are respectively provided with corresponding keys and keyways, and the two groups of rotating rods (21) are arranged in a mirror-symmetrical manner with the center of the assembly seat (8) as the standard.

3. The photovoltaic node installation system of a light steel structure according to claim 1, characterized in that: The spacing device (9) includes a servo motor (12) fixedly mounted on the mounting table (1), an output end of the servo motor (12) is fixedly connected to a guide rod (15), the guide rod (15) passes through the bottom chassis (3), a screw rod (14) is fixedly mounted on the top end of the guide rod (15), and the screw rod (14) passes through the interior of multiple groups of assembly seats (8), wherein a nut seat (13) corresponding to the screw rod (14) is movably mounted inside one group of assembly seats (8); A hinged rod (16) is movably mounted on one side of the plurality of assembly seats (8).

4. The photovoltaic node installation system of a light steel structure according to claim 1, characterized in that: Two adjacent groups of connecting rods (23) are symmetrically arranged with respect to the center of the shaking handle (24).

5. The photovoltaic node installation system of a light steel structure according to claim 3 is characterized in that: The assembly seat (8) includes a short rod (26) fixedly mounted on one side of the base frame (3), and the top end of the short rod (26) is hinged to multiple groups of long rods (27). The multiple groups of long rods (27) are hinged to each other, and the center of the long rod (27) is movably connected to one side of the assembly seat (8).

6. A photovoltaic node installation system with a light steel structure according to claim 5, characterized in that: A diagonal support holder (25) is fixedly mounted on one side of the plurality of groups of assembly seats (8), and at least three groups of the diagonal support holder (25) and the assembly seats (8) are provided.

7. A method for installing a photovoltaic node of a light steel structure, applied to the photovoltaic node installation system of a light steel structure according to claim 6, characterized in that: The steps include: Place the photovoltaic module and determine the inclination angle; place the photovoltaic module in the adjacent card seat (5), adjust the position of the movable seat (4), keep the photovoltaic module and the partition (2) overlap, ensure that the pressure block (7) is located on the photovoltaic module, and then calculate the optimal inclination angle of the connection between the light steel structure and the photovoltaic module according to the local latitude, ensure that the photovoltaic module reaches the optimal inclination angle after installation, and mark the bolt hole position on one side of the photovoltaic module according to the drawing, and clean the metal chips after drilling; Installation of large-area photovoltaic modules; when the area of the photovoltaic modules is large, after repeating step 1, the large-area photovoltaic modules are overlapped with the partition (2), and the guide rod (15) and the screw (14) are driven by the servo motor (12) to rotate simultaneously, and the nut seat (13) and the screw (14) inside the assembly seat (8) of one group are rotated to drive the assembly seat (8) to move upward, and at the same time, the hinged rod (16) on one side of the assembly seat (8) is used to pull the remaining assembly seat (8) spacing, so that multiple nodes between the light steel structure and the photovoltaic modules can be installed at the same time; Angle positioning of the light steel structure bracket; determining the number of light steel structures to be installed, temporarily fixing the triangular bracket on the light steel structure, installing the steel structure in the clamping seat (10), fitting the light steel structure with the triangular bracket on the photovoltaic module, then calibrating the initial inclination angle with a laser level, and tightening the position of the light steel structure and the photovoltaic module with a torque wrench; Adjustment system: by shaking the handle (24), the toothed plate (20) at the end of the connecting rod (23) is driven to move, thereby driving the gear (19) to rotate, the rotating rod (21) is rotated at the same time, and the worm sleeve (17) and the worm wheel (18) outside the rotating rod (21) are rotated, thereby driving the clamping seat (10) to rotate, and adjusting the inclination angle between the light steel structure in the clamping seat (10) and the photovoltaic module; Node connection; when the connection angle between the light steel structure and the photovoltaic module is less than 30°, the triangular bracket of the light steel structure and the photovoltaic module are connected by high-strength bolts in the same direction from bottom to top, the gasket is located on the nut side, and the double nut and spring gasket are used to prevent loosening. When the connection angle between the light steel structure and the photovoltaic module is greater than 30°, the flange is rigidly fixed, and a diagonal brace is added inside the diagonal brace holder (25). The diagonal brace and the light steel structure are continuously welded by welding rods, and anti-corrosion treatment is performed after welding.

8. The method for installing a photovoltaic node of a light steel structure according to claim 7, characterized in that: The exterior of the welding node is configured to be hot-dip galvanized or sprayed with zinc-aluminum coating.

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