Pressing code structure for supporting photovoltaic module

Abstract

The utility model relates to the technical field of photovoltaic assembly installation, in particular to a pressing code structure used for supporting a photovoltaic assembly, which comprises a purline, an edge pressing assembly used for fixing the edge of a photovoltaic panel and a middle pressing assembly used for fixing an adjacent photovoltaic panel, the edge pressing assembly is used for fixing the edge of the photovoltaic panel, and the middle pressing assembly is used for fixing the edge of the photovoltaic panel. Meanwhile, the middle pressing assembly is used for fixing the adjacent photovoltaic panels, the side, close to the photovoltaic panels, of the edge pressing assembly can support the bottoms of the photovoltaic panels, and the two sides of the middle pressing assembly can support the bottoms of the adjacent photovoltaic panels, so that the bottoms of the photovoltaic panels are stably and reliably supported, and the photovoltaic panels can be fixed without additionally installing guide rails; therefore, the load on the purline is reduced, the installation steps are simplified, the installation efficiency is improved, and the technical problems that the load on the purline is large, the installation operation is tedious and the installation efficiency is low in the installation of the photovoltaic module in the prior art are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic component installation, and more specifically, to a compression code structure for supporting photovoltaic components. Background Art

[0002] Photovoltaic power generation is one of the new energy industries that the country is vigorously supporting. It is increasingly used in factories and industrial parks. At the same time, it also brings many challenges to the construction of photovoltaic power stations. At present, the installation form of photovoltaic modules is generally to drill holes in the aluminum alloy on the back of the photovoltaic modules and connect them to the purlins with bolts. For this connection method, since the aluminum alloy on the back of the photovoltaic modules is relatively thin, it is easy to cause damage or loss to the photovoltaic modules.

[0003] The prior art discloses a photovoltaic support installation device, which includes a bearing tube, a guide rail, a connecting device and a clamping device. There are multiple bearing tubes and multiple guide rails, and the multiple bearing tubes and the multiple guide rails are placed in parallel in sequence. The bearing tube is located below the guide rail, and the bearing tube and the guide rail are fixedly connected by the connecting device. A photovoltaic module is placed between two adjacent guide rails, and the photovoltaic module is confined between the two adjacent guide rails by the clamping device. This solution uses a guide rail plus a clamping device to confine the photovoltaic module between two adjacent guide rails, and provides strong support for the photovoltaic module and the guide rail through the bearing tube to ensure the stability of the photovoltaic module.

[0004] However, in the prior art, it is necessary to lay installation rails, purlins and other supporting parts under the photovoltaic modules, and finally fix the photovoltaic modules. In this process, the weight of the rails increases the load on the purlins, increasing the safety risk; and because the installation positions of the clamps and rails need to be precisely aligned, once a deviation occurs, the photovoltaic modules cannot be installed correctly, increasing the difficulty and working hours of installation; therefore, the prior art has technical problems such as large load on the purlins during the installation of photovoltaic modules, cumbersome installation operations and low installation efficiency. Utility Model Content

[0005] The utility model aims to overcome the shortcomings of the prior art that the installation of photovoltaic modules has a large load on the purlins, the installation operation is complicated and the installation efficiency is low, and to provide a compression code structure for supporting photovoltaic modules.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A compression structure for supporting photovoltaic modules comprises purlins, edge compression components for fixing the edges of photovoltaic panels and center compression components for fixing adjacent photovoltaic panels. The edge compression components and the center compression components are both arranged on the purlins. The side of the edge compression component close to the photovoltaic panel can support the bottom of the photovoltaic panel, and the two sides of the center compression component can support the bottom of adjacent photovoltaic panels.

[0008] The utility model discloses a coding structure for supporting photovoltaic components, which utilizes an edge pressing component to fix the edge of a photovoltaic panel, and utilizes a center pressing component to fix an adjacent photovoltaic panel. Because the side of the edge pressing component close to the photovoltaic panel can support the bottom of the photovoltaic panel, and the two sides of the center pressing component can support the bottom of the adjacent photovoltaic panel, the bottom of the photovoltaic panel can be stably and reliably supported, and the photovoltaic panel can be fixed without the need for additional installation of guide rails, thereby reducing the load on the purlins, simplifying the installation steps, and improving the installation efficiency, and effectively solving the technical problems in the prior art of large load on the purlins, complicated installation operation, and low installation efficiency caused by the installation of photovoltaic components.

[0009] Furthermore, the edge clamping assembly includes an edge clamping bottom block arranged on the purlin, an edge clamping cover plate arranged above the edge clamping bottom block, and a first spacing adjustment structure arranged between the edge clamping bottom block and the edge clamping cover plate. A lower edge support plate for supporting the bottom of the photovoltaic panel is provided on one side of the edge clamping bottom block, and an upper edge clamping plate for abutting the top of the photovoltaic panel is provided on one side of the edge clamping cover plate. The length of the lower edge support plate is greater than the length of the upper edge clamping plate. The edge clamping cover plate is assembled on the edge clamping bottom block through the first spacing adjustment structure, and the first spacing adjustment structure can adjust the spacing between the edge clamping cover plate and the edge clamping bottom block. The length of the lower edge support plate is greater than the length of the upper edge clamping plate, so as to provide a stable and reliable support for the bottom of the photovoltaic panel; the spacing between the edge clamping cover plate and the edge clamping bottom block is adjusted by using the first spacing adjustment structure, so that the tightness of the edge clamping bottom block and the edge clamping cover plate clamping the edge of the photovoltaic panel can be adjusted, so that the photovoltaic panel can be inserted between the edge clamping bottom block and the edge clamping cover plate and then clamped and fixed.

[0010] Furthermore, an upper baffle plate is provided between the upper edge pressing plate and the edge pressing cover plate, and the upper baffle plate can abut against the side wall of the photovoltaic panel. An upper baffle plate that can abut against the side wall of the photovoltaic panel is provided between the upper edge pressing plate and the edge pressing cover plate to limit the side wall of the photovoltaic panel.

[0011] Furthermore, the first spacing adjustment structure includes positioning plates arranged on both sides of the bottom of the edge pressing cover plate and limiting plates arranged on both sides of the top of the edge pressing bottom block, the two opposite sides of the positioning plates are longitudinally provided with a plurality of positioning teeth, the two opposite sides of the limiting plates are longitudinally provided with a plurality of limiting teeth that can engage with the positioning teeth, and the positioning plates on both sides can be inserted between the limiting plates on both sides so that the positioning teeth engage with the limiting teeth. The positioning plates on both sides are inserted between the limiting plates on both sides so that the positioning teeth engage with the limiting teeth to fix the edge pressing bottom block and the edge pressing cover plate; the edge pressing cover plate is pressed downward so that the positioning teeth slide downward relative to the limiting teeth and remain engaged to clamp the photovoltaic panel.

[0012] Furthermore, when the positioning plates on both sides are placed between the limiting plates on both sides, the side wall of the limiting plate close to the photovoltaic panel and the side wall of the upper side plate used to abut against the photovoltaic panel are in the same plane. When the positioning plates on both sides are placed between the limiting plates on both sides, the side wall of the limiting plate close to the photovoltaic panel and the side wall of the upper side plate used to abut against the photovoltaic panel are in the same plane, increasing the contact area with the side wall of the photovoltaic panel and achieving a better limiting effect.

[0013] Furthermore, the edge pressing bottom block and the edge pressing cover plate are coaxially provided with mounting holes, and bolts are sequentially passed through the mounting holes of the edge pressing cover plate and the edge pressing bottom block and threadedly connected to the purlins to fix the three. By sequentially passing through the mounting holes of the edge pressing cover plate and the edge pressing bottom block and threadedly connected to the purlins, not only the edge pressing cover plate, the edge pressing bottom block and the purlins are fixed, but also the edge pressing cover plate can be pushed close to the edge pressing bottom block by rotating the bolts, helping the two side positioning plates to be inserted between the two side limit plates, which is more labor-saving and convenient.

[0014] Furthermore, a mounting groove is provided at the top of the purlin, a mounting block is slidably provided in the mounting groove, and the bolt can be threadedly connected to the mounting block. Since the mounting block is slidably provided in the mounting groove, the mounting block can slide along the mounting groove, which facilitates the fixing of the edge pressing assembly at any position of the purlin, avoiding drilling holes on the purlin.

[0015] Furthermore, the surface of the upper edge plate opposite to the lower support plate is evenly provided with pressing teeth. The surface of the upper edge plate opposite to the lower support plate is evenly provided with pressing teeth to increase the contact area with the photovoltaic panel, thereby increasing the friction force and improving the stability of the fixation.

[0016] Furthermore, the bottom of the edge pressing bottom block is provided with two limiting feet, and the limiting feet on both sides are respectively placed on both sides of the purlin. The limiting feet are respectively placed on both sides of the purlin to prevent the edge pressing bottom block from slipping off from both sides of the purlin.

[0017] Furthermore, the centering assembly includes a centering bottom block arranged on the purlin, a centering cover plate arranged above the centering bottom block, and a second spacing adjustment structure arranged between the centering bottom block and the centering cover plate. The two sides of the centering bottom block are provided with lower support plates for supporting the bottom of the photovoltaic panel, and the two sides of the centering cover plate are provided with upper centering plates for abutting the top of the photovoltaic panel. The length of the lower support plate is greater than the length of the upper centering plate. The centering cover plate is assembled on the centering bottom block through the second spacing adjustment structure, and the second spacing adjustment structure can adjust the spacing between the centering cover plate and the centering bottom block similar to the first spacing adjustment structure. The lower support plate is arranged on both sides of the centering bottom block, and the upper centering plate is arranged on both sides of the centering cover plate. The symmetrical structure of the edge pressing assembly is used as the structure of the centering assembly to improve the versatility of the parts, simplify the installation steps and reduce the difficulty of installation.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model discloses a coding structure for supporting photovoltaic components, which utilizes an edge pressing component to fix the edge of a photovoltaic panel, and utilizes a center pressing component to fix an adjacent photovoltaic panel. Because the side of the edge pressing component close to the photovoltaic panel can support the bottom of the photovoltaic panel, and the two sides of the center pressing component can support the bottom of the adjacent photovoltaic panel, the bottom of the photovoltaic panel can be stably and reliably supported, and the photovoltaic panel can be fixed without the need for additional installation of guide rails, thereby reducing the load on the purlins, simplifying the installation steps, and improving the installation efficiency, and effectively solving the technical problems in the prior art of large load on the purlins, complicated installation operation, and low installation efficiency caused by the installation of photovoltaic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of a use status of a compression code structure for supporting a photovoltaic module;

[0021] Figure 2 is a structural schematic diagram of the edge pressing component;

[0022] Figure 3 It is a schematic diagram of the position of the mounting hole on the edge pressing component;

[0023] Figure 4 It is a schematic diagram of the structure of the pressing component.

[0024] In the attached figure: 1. photovoltaic panel; 2. edge pressing assembly; 21. edge pressing bottom block; 211. limiting foot; 22. edge pressing cover plate; 23. lower support plate; 24. upper edge pressing plate; 25. upper side retaining plate; 26. positioning plate; 261. positioning tooth; 27. limiting plate; 271. limiting tooth; 28. mounting hole; 29. ​​pressing tooth; 3. centering assembly; 31. centering bottom block; 32. centering cover plate; 33. lower support plate; 34. upper centering plate; 4. purlin; 41. mounting groove; 5. bolt; 6. mounting block. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with specific implementation methods. The drawings are only used for exemplary descriptions, and are only schematic diagrams, not actual pictures, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0026] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0027] Embodiment 1

[0028] like Figures 1 to 3 The figure shows a first embodiment of a coding structure for supporting photovoltaic modules according to the utility model.

[0029] A compression structure for supporting photovoltaic modules, comprising a purlin 4, an edge compression component 2 for fixing the edge of a photovoltaic panel 1, and a center compression component 3 for fixing adjacent photovoltaic panels 1. The edge compression component 2 and the center compression component 3 are both arranged on the purlin 4. The side of the edge compression component 2 close to the photovoltaic panel 1 can support the bottom of the photovoltaic panel 1, and the two sides of the center compression component 3 can support the bottom of adjacent photovoltaic panels 1. The edge clamping assembly 2 includes an edge clamping bottom block 21 disposed on the purlin 4, an edge clamping cover plate 22 disposed above the edge clamping bottom block 21, and a first spacing adjustment structure disposed between the edge clamping bottom block 21 and the edge clamping cover plate 22. A lower edge support plate 23 for supporting the bottom of the photovoltaic panel 1 is disposed on one side of the edge clamping bottom block 21, and an upper edge clamping plate 24 for abutting the top of the photovoltaic panel 1 is disposed on one side of the edge clamping cover plate 22. The length of the lower edge support plate 23 is greater than the length of the upper edge clamping plate 24. The edge clamping cover plate 22 is assembled on the edge clamping bottom block 21 through the first spacing adjustment structure, and the first spacing adjustment structure can adjust the spacing between the edge clamping cover plate 22 and the edge clamping bottom block 21. An upper edge plate 25 is disposed between the upper edge plate 24 and the edge clamping cover plate 22, and the upper edge plate 25 can abut the side wall of the photovoltaic panel 1. The edge pressing bottom block 21 and the edge pressing cover plate 22 are coaxially provided with a mounting hole 28, and the bolts 5 are sequentially passed through the mounting holes 28 of the edge pressing cover plate 22 and the edge pressing bottom block 21 and threadedly connected to the purlin 4 to fix the three. The top of the purlin 4 is provided with a mounting groove 41, and a mounting block 6 is slidably provided in the mounting groove 41, and the bolt 5 can be threadedly connected to the mounting block 6. The surface of the side of the upper edge pressing plate 24 opposite to the lower support plate 23 is evenly provided with pressing teeth 29. Furthermore, the bottom of the edge pressing bottom block 21 is provided with two side limit feet 211, and the two side limit feet 211 are respectively placed on both sides of the purlin 4.

[0030] In this embodiment, if Figure 1As shown, the edge of the photovoltaic panel 1 is fixed by the edge pressing component 2, and the adjacent photovoltaic panel 1 is fixed by the center pressing component 3. Since the side of the edge pressing component 2 close to the photovoltaic panel 1 can support the bottom of the photovoltaic panel 1, and the two sides of the center pressing component 3 can support the bottom of the adjacent photovoltaic panel 1, it plays a stable and reliable supporting role for the bottom of the photovoltaic panel 1, and the photovoltaic panel 1 can be fixed without the need for additional installation of guide rails, thereby reducing the load on the purlin 4, simplifying the installation steps, and improving the installation efficiency, effectively solving the technical problems of the installation of photovoltaic components in the prior art, such as the large load on the purlin 4, the cumbersome installation operation, and the low installation efficiency.

[0031] In this embodiment, if Figure 2 As shown, the length of the lower support plate 23 is made greater than that of the upper pressure plate 24, so as to provide stable and reliable support for the bottom of the photovoltaic panel 1; the first spacing adjustment structure is used to adjust the spacing between the pressure cover plate 22 and the pressure bottom block 21, so that the tightness of the pressure bottom block 21 and the pressure cover plate 22 clamping the edge of the photovoltaic panel 1 can be adjusted, which facilitates the insertion of the photovoltaic panel 1 between the pressure bottom block 21 and the pressure cover plate 22 and then clamping it.

[0032] In this embodiment, if Figure 2 As shown, an upper retaining plate 25 that can abut against the side wall of the photovoltaic panel 1 is provided between the upper retaining plate 24 and the retaining cover plate 22 to limit the side wall of the photovoltaic panel 1 .

[0033] In this embodiment, if Figure 2 and Figure 3 As shown, bolts 5 are sequentially passed through the mounting holes 28 of the edge pressing cover plate 22 and the edge pressing bottom block 21 and are threadedly connected to the purlin 4, thereby achieving the fixation of the edge pressing cover plate 22, the edge pressing bottom block 21 and the purlin 4.

[0034] In this embodiment, if Figure 2 As shown, since the mounting block 6 is slidably disposed in the mounting groove 41 , the mounting block 6 can slide along the mounting groove 41 , so that the edge pressing assembly 2 can be fixed at any position of the purlin 4 , thereby avoiding drilling holes on the purlin 4 .

[0035] In this embodiment, if Figure 2 As shown, pressing teeth 29 are evenly arranged on the surface of the side opposite to the upper pressure plate 24 and the lower support plate 23 to increase the contact area with the photovoltaic panel 1, thereby increasing the friction force and improving the stability of the fixation.

[0036] In this embodiment, if Figure 2 As shown, the limiting feet 211 are respectively placed on both sides of the purlin 4 to prevent the edge pressing bottom block 21 from sliding off from both sides of the purlin 4.

[0037] Embodiment 2

[0038] like Figure 2The figure shows a second embodiment of a coding structure for supporting photovoltaic modules according to the present invention.

[0039] This embodiment is similar to the first embodiment, except that: the first spacing adjustment structure includes positioning plates 26 arranged on both sides of the bottom of the edge pressing cover plate 22 and limiting plates 27 arranged on both sides of the top of the edge pressing bottom block 21, the two opposite sides of the positioning plates 26 are longitudinally provided with a plurality of positioning teeth 261, the two opposite sides of the limiting plates 27 are longitudinally provided with a plurality of limiting teeth 271 that can engage with the positioning teeth 261, and the positioning plates 26 on both sides can be inserted between the limiting plates 27 on both sides so that the positioning teeth 261 are engaged with the limiting teeth 271. Among them, when the positioning plates 26 on both sides are placed between the limiting plates 27 on both sides, the side wall of the limiting plate 27 close to the photovoltaic panel 1 is in the same plane as the side wall of the upper retaining plate 25 used to abut against the photovoltaic panel 1.

[0040] In this embodiment, if Figure 2 As shown, the positioning plates 26 on both sides are inserted between the limiting plates 27 on both sides so that the positioning teeth 261 are engaged with the limiting teeth 271 to fix the edge pressing bottom block 21 and the edge pressing cover plate 22; the edge pressing cover plate 22 is pressed downward so that the positioning teeth 261 slide downward relative to the limiting teeth 271 and remain engaged to clamp the photovoltaic panel 1.

[0041] In this embodiment, if Figure 2 As shown, when the positioning plates 26 on both sides are placed between the limiting plates 27 on both sides, the side wall of the limiting plate 27 close to the photovoltaic panel 1 is in the same plane as the upper side plate 25 used to abut the side wall of the photovoltaic panel 1, thereby increasing the contact area with the side wall of the photovoltaic panel 1 and achieving a better limiting effect.

[0042] Embodiment 3

[0043] like Figure 4 The third embodiment of the coding structure for supporting photovoltaic modules according to the utility model is shown.

[0044] This embodiment is similar to the first embodiment or the second embodiment, except that: the centering assembly 3 includes a centering bottom block 31 arranged on the purlin 4, a centering cover plate 32 arranged above the centering bottom block 31, and a second spacing adjustment structure arranged between the centering bottom block 31 and the centering cover plate 32. Lower supporting middle plates 33 for supporting the bottom of the photovoltaic panel 1 are arranged on both sides of the centering bottom block 31, and upper centering middle plates 34 for abutting the top of the photovoltaic panel 1 are arranged on both sides of the centering cover plate 32. The length of the lower supporting middle plate 33 is greater than that of the upper centering middle plate 34. The centering cover plate 32 is assembled on the centering bottom block 31 through the second spacing adjustment structure, and the second spacing adjustment structure is similar to the first spacing adjustment structure and can adjust the spacing between the centering cover plate 32 and the centering bottom block 31.

[0045] In this embodiment, if Figure 4As shown, the lower supporting middle plate 33 is arranged on both sides of the pressing bottom block 31, and the upper pressing middle plate 34 is arranged on both sides of the pressing cover plate 32. The symmetrical structure of the edge pressing component 2 is used as the structure of the pressing component 3 to improve the versatility of the parts, simplify the installation steps and reduce the difficulty of installation.

[0046] In the specific contents of the above-mentioned specific implementation methods, the various technical features can be combined in any non-contradictory manner. In order to make the description concise, not all possible combinations of the above-mentioned technical features are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A coding structure for supporting a photovoltaic module, characterized in that: The invention comprises a purlin (4), a side pressing component (2) for fixing the edge of a photovoltaic panel (1), and a center pressing component (3) for fixing an adjacent photovoltaic panel (1); the side pressing component (2) and the center pressing component (3) are both arranged on the purlin (4); the side of the side pressing component (2) close to the photovoltaic panel (1) can support the bottom of the photovoltaic panel (1), and the two sides of the center pressing component (3) can support the bottom of the adjacent photovoltaic panel (1).

2. The coding structure for supporting photovoltaic modules according to claim 1, characterized in that: The edge clamping assembly (2) comprises an edge clamping bottom block (21) arranged on the purlin (4), an edge clamping cover plate (22) arranged above the edge clamping bottom block (21), and a first spacing adjustment structure arranged between the edge clamping bottom block (21) and the edge clamping cover plate (22); a lower edge support plate (23) for supporting the bottom of the photovoltaic panel (1) is provided on one side of the edge clamping bottom block (21); an upper edge clamping plate (24) for abutting the top of the photovoltaic panel (1) is provided on one side of the edge clamping cover plate (22); the length of the lower edge support plate (23) is greater than the length of the upper edge clamping plate (24); the edge clamping cover plate (22) is assembled on the edge clamping bottom block (21) through the first spacing adjustment structure, and the first spacing adjustment structure can adjust the spacing between the edge clamping cover plate (22) and the edge clamping bottom block (21).

3. The coding structure for supporting a photovoltaic module according to claim 2, characterized in that: An upper side plate (25) is provided between the upper edge plate (24) and the edge plate cover (22), and the upper side plate (25) can abut against the side wall of the photovoltaic panel (1).

4. The coding structure for supporting a photovoltaic module according to claim 3, characterized in that: The first spacing adjustment structure comprises positioning plates (26) arranged on both sides of the bottom of the edge pressing cover plate (22) and limiting plates (27) arranged on both sides of the top of the edge pressing bottom block (21); the positioning plates (26) are longitudinally provided with a plurality of positioning teeth (261) on two opposite sides; the limiting plates (27) are longitudinally provided with a plurality of limiting teeth (271) that can engage with the positioning teeth (261) on two opposite sides; the positioning plates (26) on both sides can be inserted between the limiting plates (27) on both sides so that the positioning teeth (261) engage with the limiting teeth (271).

5. The coding structure for supporting photovoltaic modules according to claim 4, characterized in that: When the positioning plates (26) on both sides are placed between the limiting plates (27) on both sides, the side wall of the limiting plate (27) close to the photovoltaic panel (1) and the side wall of the upper side plate (25) used to abut against the photovoltaic panel (1) are in the same plane.

6. The coding structure for supporting a photovoltaic module according to claim 2, characterized in that: The edge pressing bottom block (21) and the edge pressing cover plate (22) are coaxially provided with a mounting hole (28), and a bolt (5) is sequentially passed through the mounting holes (28) of the edge pressing cover plate (22) and the edge pressing bottom block (21) and is threadedly connected to the purlin (4) so ​​that the three are fixed.

7. A coding structure for supporting a photovoltaic module according to claim 6, characterized in that: The top of the purlin (4) is provided with a mounting groove (41), a mounting block (6) is slidably arranged in the mounting groove (41), and the bolt (5) can be threadedly connected to the mounting block (6).

8. The coding structure for supporting a photovoltaic module according to claim 2, characterized in that: The surface of the upper edge pressing plate (24) opposite to the lower edge supporting plate (23) is evenly provided with pressing teeth (29).

9. The coding structure for supporting a photovoltaic module according to claim 2, characterized in that: The bottom of the edge pressing bottom block (21) is provided with limiting feet (211) on both sides, and the limiting feet (211) on both sides are respectively placed on both sides of the purlin (4).

10. The coding structure for supporting photovoltaic modules according to claim 4, characterized in that: The centering assembly (3) comprises a centering bottom block (31) arranged on the purlin (4), a centering cover plate (32) arranged above the centering bottom block (31), and a second spacing adjustment structure arranged between the centering bottom block (31) and the centering cover plate (32). Lower support plates (33) for supporting the bottom of the photovoltaic panel (1) are arranged on both sides of the centering bottom block (31), and upper centering plates (34) for abutting against the top of the photovoltaic panel (1) are arranged on both sides of the centering cover plate (32). The length of the lower support plate (33) is greater than the length of the upper centering plate (34). The centering cover plate (32) is assembled on the centering bottom block (31) through the second spacing adjustment structure. The second spacing adjustment structure is similar to the first spacing adjustment structure and can adjust the spacing between the centering cover plate (32) and the centering bottom block (31).

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