Frame structure of photovoltaic module

Abstract

The utility model provides a frame structure of a photovoltaic module, which comprises a main body back plate surrounding the periphery of the photovoltaic module, a baffle plate part and a clamping plate part, the baffle plate part is perpendicular to the main body back plate and comprises a first baffle plate and a second baffle plate which are connected to the same side surface of the main body back plate, and the clamping plate part is located between the first baffle plate and the second baffle plate. The frame structure is arranged on the main body back plate and encloses the containing space with the baffle part and the main body back plate, the junction box is installed in the containing space, the junction box can be hidden in the frame structure, the overall attractiveness of a building is improved, the junction box can move in the circumferential direction of the photovoltaic module, the position of the junction box can be flexibly adjusted according to actual installation requirements, and the practicability of the photovoltaic module is improved. Accurate positioning of the junction box is facilitated, and efficient connection between the photovoltaic module and an external circuit is realized.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic technology, and in particular to a frame structure of a photovoltaic module. Background Art

[0002] As a non-polluting clean energy, how to further improve the use of solar energy has always been a hot topic in various industries. With the increasing global attention to sustainable development and green buildings, Building Integrated Photovoltaic (BIPV) as a new energy solution has gradually entered the public eye. BIPV not only integrates photovoltaic power generation technology and building materials, but also integrates photovoltaic modules directly into the building structure to achieve a perfect combination of energy production and building functions. It has become an important trend in future green buildings with its lighter weight, higher aesthetic value, stronger wind resistance and direct integration of modules and buildings.

[0003] In the photovoltaic field, photovoltaic modules include junction boxes for connecting lines. The junction boxes are generally set on the front or back of the photovoltaic modules. The location of the junction boxes has a significant impact on the appearance of the photovoltaic modules installed on the building. The presence of the junction boxes may destroy the overall coordination of the building. In order to maintain the beauty of the building, how to hide the junction boxes in BIPV building design has always been one of the problems that the staff in this field need to solve. Based on the above problems, the present application provides a frame structure of a photovoltaic module, which can hide the junction box in the frame to prevent the junction box from being exposed and causing the exterior of the building to be unsightly. Utility Model Content

[0004] The purpose of the present application is to provide a frame structure of a photovoltaic module, which is used to solve the technical problems existing in the prior art such as the junction box being exposed to the outside resulting in poor aesthetics.

[0005] The present application provides a frame structure of a photovoltaic module, comprising a main back plate and a baffle portion surrounding the periphery of the photovoltaic module, wherein the baffle portion is vertically connected to the main back plate, and the frame structure further comprises a baffle portion surrounding the periphery of the photovoltaic module;

[0006] The main body back plate has a first surface and a second surface arranged opposite to each other;

[0007] The baffle portion includes a first baffle and a second baffle spaced apart from each other and parallel to each other, wherein the first baffle and the second baffle are both connected to the first surface of the main body back plate;

[0008] The card plate portion is located between the first baffle plate and the second baffle plate, and forms a storage space surrounding the photovoltaic component between the baffle plate portion and the main body back plate. The junction box is installed in the storage space and can move along the circumference of the photovoltaic component.

[0009] In an implementable solution, the card plate portion includes a first card plate and a second card plate, a wiring gap is provided between the first card plate and the second card plate, and a bus bar of the junction box is connected to the photovoltaic assembly through the wiring gap.

[0010] In an implementable solution, the first clamping plate and the second clamping plate are respectively connected to the first baffle plate and the second baffle plate to enclose the accommodating space together with the main body back plate.

[0011] In an implementable solution, the photovoltaic component is clamped between the first baffle and the second baffle.

[0012] In an implementable solution, a first wiring hole penetrating the accommodating space is provided on the main body back plate, and the wires of the junction box are connected to the connector through the first wiring hole.

[0013] In an implementable scheme, in a cross-sectional view of the frame structure along a direction perpendicular to its circumferential direction, an F-shaped structure is formed between the first baffle plate, the second baffle plate and the main body back plate, the first baffle plate is connected to one end of the main body back plate, and the photovoltaic component is located on a side of the second baffle plate away from the first baffle plate and in contact with the first surface of the main body back plate.

[0014] In an implementable solution, the first card plate and the second card plate are respectively connected to the first baffle plate and the second baffle plate, a second wiring hole is provided in the second baffle plate, and the bus bar of the junction box is connected to the photovoltaic module through the wiring gap and the second wiring hole in sequence.

[0015] In an implementable solution, the second clamping plate is connected to the main body back plate to enclose a receiving space between the main body back plate and the first baffle plate.

[0016] In an implementable solution, a cover portion is further included, and the cover portion covers the side of the first baffle plate and the second baffle plate away from the main body back plate to form a closed space between the first baffle plate and the second baffle plate.

[0017] In an implementable solution, the first card board is connected to a side of the cover body facing the main body back plate, and when the cover body covers the first baffle plate and the second baffle plate, the wiring gap is formed between the first card board and the second card board.

[0018] In an implementable solution, a first outer flange is provided on the outer periphery of the side edge of the cover body, and a second outer flange is provided on the side surfaces of the first baffle plate and the second baffle plate close to each other, and the first outer flange and the second outer flange are cooperatively arranged so that the cover body is clamped between the first baffle plate and the second baffle plate.

[0019] In an implementable solution, one end of the cover plate away from the first baffle is pressed onto the photovoltaic component.

[0020] In an implementable solution, a third wiring hole is provided in the first baffle, the third wiring hole is communicated with the accommodating space, and the wires of the junction box are connected to the connector via the third wiring hole.

[0021] In an implementable solution, the second baffle includes a plurality of blocking sub-plates. In a top view of the frame structure, the plurality of blocking sub-plates are spaced apart from each other along the circumference of the photovoltaic assembly.

[0022] Compared with the prior art, the beneficial effects of this application include at least:

[0023] In the frame structure of the technical solution provided in the present application, a baffle portion and a card portion are provided to cooperate with the main body back plate to enclose a accommodating space, thereby providing an installation space for the junction box, allowing the junction box to be hidden inside the frame structure, thereby improving the overall aesthetics of the building; and the junction box can be moved arbitrarily inside the frame structure along the circumference of the photovoltaic module, so that its position can be flexibly adjusted according to actual installation requirements, thereby facilitating the precise positioning of the junction box and achieving efficient connection between the photovoltaic module and the external circuit; at the same time, by providing a frame structure, the protection effect of the photovoltaic module is also improved, reducing the risk of damage to the photovoltaic module during transportation or installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a schematic structural diagram of the frame structure of the photovoltaic module provided in Example 1 of the present application.

[0026] Figure 2 This is a schematic diagram of the top view of the frame structure provided in Example 1 of the present application.

[0027] Figure 3 for Figure 1 The frame structure shown is a cross-sectional view taken along a direction perpendicular to the circumference of the photovoltaic module.

[0028] Figure 4 This is a schematic diagram of the structure of the frame of a photovoltaic module provided in Example 2 of the present application.

[0029] Figure 5 for Figure 4 The frame structure shown is a cross-sectional view taken along a direction perpendicular to the circumference of the photovoltaic module.

[0030] Figure 6 This is a schematic structural diagram of the frame structure of the photovoltaic module provided in Example 3 of the present application.

[0031] Figure 7 for Figure 6 The frame structure shown is a cross-sectional view taken along a direction perpendicular to the circumference of the photovoltaic module.

[0032] Figure 8 A top view of the frame structure provided for the optional embodiment in the third embodiment of the present application.

[0033] Fig. 9 and Fig.10 They are Figure 8 The frame structure shown is a cross-sectional view taken at different positions along a direction perpendicular to the circumference of the photovoltaic module.

[0034] In the figure:

[0035] 11. Main body back panel; 111. First wiring hole; 12. Accommodating space; 20. Baffle portion; 21. First baffle; 211. Third wiring hole; 22. Second baffle; 221. Second wiring hole; 222. Blocking sub-board; 30. Card portion; 31. First card; 32. Second card; 33. Wiring gap; 40. Cover portion; 41. Cover; 42. Side edge of cover; 421. First outer flange; 422. Second outer flange; 51. Photovoltaic module; 52. Junction box; 53. Connector. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0038] Embodiment 1

[0039] This embodiment provides a frame structure of a photovoltaic module, which can hide the junction box 52 inside the frame structure to prevent the junction box 52 from being exposed and affecting the overall aesthetics. Figure 1 and Figure 2 As shown, the frame structure of this embodiment includes a main body back plate 11 , a baffle portion 20 and a clamping plate portion 30 .

[0040] like Figure 1 and Figure 3 As shown, the main body back plate 11, the baffle portion 20 and the card plate portion 30 are all around the periphery of the photovoltaic module 51, so that the frame structure presents a ring structure, and the photovoltaic module 51 is installed in the frame structure of the ring structure. The main body back plate 11 has a first surface and a second surface arranged opposite to each other; the baffle portion 20 is perpendicular to the main body back plate 11, and the baffle portion 20 includes a first baffle 21 and a second baffle 22, the first baffle 21 and the second baffle 22 are arranged at intervals and parallel to each other, the first baffle 21 and the second baffle 22 are both connected to the first surface of the main body back plate 11, and the first baffle 21 and the second baffle 22 are both perpendicular to the main body back plate 11, so that an installation space for the junction box 52 is formed between the first baffle 21 and the second baffle 22.

[0041] The card plate portion 30 is located between the first baffle plate 21 and the second baffle plate 22, and forms a receiving space 12 between the baffle plate portion 20 and the main body back plate 11. The receiving space 12 extends along the circumferential direction of the photovoltaic module 51. The junction box 52 is installed in the receiving space 12 and can move along the circumferential direction of the photovoltaic module 51. In this embodiment, in the top view along the thickness direction of the photovoltaic module 51, the circumferential direction of the photovoltaic module 51 is the above-mentioned circumferential direction.

[0042] Compared with the prior art, the frame structure of the present embodiment, by providing a baffle portion 20 and a card portion 30, cooperates with the main body back plate 11 to enclose a receiving space 12, thereby providing an installation space for the junction box 52. When installing the photovoltaic module 51, the junction box 52 can be hidden inside the frame structure, thereby avoiding the unsightly situation caused by the junction box 52 being exposed to the outside, thereby improving the overall aesthetics of the building. At the same time, the junction box 52 can be moved arbitrarily inside the frame structure along the circumference of the photovoltaic module 51, so that its position can be flexibly adjusted according to actual installation requirements, thereby facilitating the precise positioning of the junction box 52 and realizing efficient connection between the photovoltaic module 51 and the external circuit.

[0043] like Figure 3 As shown, the card plate portion 30 includes a first card plate 31 and a second card plate 32, and a wiring gap 33 is provided between the first card plate 31 and the second card plate 32, and the busbar of the junction box 52 is connected to the photovoltaic module 51 through the wiring gap 33. The first card plate 31 and the second card plate 32 can form a receiving space 12 between the main body back plate 11 and the first baffle 21, and on the other hand, can facilitate the installation and fixation of the junction box 52, and the wiring gap 33 makes it more convenient to position and adjust the junction box 52.

[0044] In one embodiment, the first card plate 31 is connected to the first baffle plate 21, the second card plate 32 is connected to the second baffle plate 22, and the positions of the first baffle plate 21 and the second baffle plate 22 are correspondingly arranged so that a receiving space 12 is enclosed between the first card plate 31, the second card plate 32 and the main body back plate 11.

[0045] Furthermore, the photovoltaic assembly 51 is clamped between the first baffle 21 and the second baffle 22, so that the thickness direction of the main body back plate 11 is perpendicular to the thickness direction of the photovoltaic assembly 51, and the first baffle 21 and the second baffle 22 are parallel to the photovoltaic assembly 51. Through the first baffle 21 and the second baffle 22, on the one hand, the photovoltaic assembly 51 can be clamped to fix the frame structure to the periphery of the photovoltaic assembly 51, and on the other hand, the edge area of ​​the photovoltaic assembly 51 can be protected, thereby improving the protection effect of the photovoltaic assembly 51.

[0046] In one embodiment, a first wiring hole 111 is provided on the main body back plate 11, and the first wiring hole 111 is connected to the accommodating space 12. The wires of the junction box 52 are connected to the connector 53 through the first wiring hole 111, thereby realizing the lead-out of the wires of the junction box 52. Further, the number of the first wiring holes 111 can be one or more, for example, a plurality of mutually spaced first wiring holes 111 are provided on the main body back plate 11, and the plurality of first wiring holes 111 are provided in the main body back plate 11 along the circumferential direction of the photovoltaic module 51, and the position of the first wiring hole 111 can be set according to actual needs to facilitate the lead-out of the wires of the junction box 52.

[0047] In one embodiment, in a cross-sectional view of the frame structure along a direction perpendicular to its circumferential direction, the first baffle 21 and the second baffle 22 are respectively connected to the opposite ends of the main back plate 11, so that a groove structure is formed between the first baffle 21, the second baffle 22 and the main back plate 11; or, the first baffle 21 is connected to one end of the main back plate 11, and the second baffle 22 is connected to the middle area between the opposite ends of the main back plate 11 along the thickness direction of the first baffle 21, so that an F-shaped structure is formed between the first baffle 21, the second baffle 22 and the main back plate 11; or, other suitable structures can also be formed between the first baffle 21, the second baffle 22 and the main back plate 11 to improve the protection effect of the photovoltaic module 51.

[0048] As described above, the frame structure of the present embodiment, by providing the baffle portion 20 and the card portion 30, cooperates with the main body back plate 11 to enclose the accommodating space 12, provides an installation space for the junction box 52, and enables the junction box 52 to be hidden inside the frame structure, thereby improving the overall aesthetics of the building; moreover, the junction box 52 can be arbitrarily moved inside the frame structure along the circumference of the photovoltaic module 51, so that its position can be flexibly adjusted according to actual installation requirements, facilitates the precise positioning of the junction box 52, and realizes efficient connection between the photovoltaic module 51 and the external circuit; at the same time, by providing the frame structure, the protection effect of the photovoltaic module 51 is also improved, and the risk of damage to the photovoltaic module 51 during transportation or installation and use is reduced.

[0049] Embodiment 2

[0050] This embodiment provides another frame structure of a photovoltaic module, which also includes the main back plate 11, the baffle portion 20 and the card plate portion 30 in the first embodiment. The same points as the first embodiment will not be repeated here, and the differences from the first embodiment will be described in detail below.

[0051] like Figure 4 and Figure 5 As shown, in a cross-sectional view of the frame structure along a direction perpendicular to its circumferential direction, an F-shaped structure is formed between the first baffle 21, the second baffle 22 and the main body back plate 11, the first baffle 21 is connected to one end of the main body back plate 11, the second baffle 22 is connected to the area between the opposite ends of the main body back plate 11, the photovoltaic assembly 51 is arranged on a side of the second baffle 22 away from the first baffle 21, and the photovoltaic assembly 51 is in contact with the first surface of the main body back plate 11. Optionally, the thickness direction of the photovoltaic assembly 51 is in the same direction as the thickness direction of the main body back plate 11, so that the first baffle 21 and the second baffle 22 are both perpendicular to the photovoltaic assembly 51.

[0052] In one embodiment, the first card plate 31 is connected to the first baffle plate 21, the second card plate 32 is connected to the second baffle plate 22, the second baffle plate 22 is provided with a second wiring hole 221, and the busbar of the junction box 52 is connected to the photovoltaic module 51 through the wiring gap 33 and the second wiring hole 221 in sequence. The number of the second wiring hole 221 can be one or more, for example, the second baffle plate 22 is provided with a second wiring hole 221, and the plurality of second wiring holes 221 are spaced apart from each other along the circumference of the photovoltaic module 51, and the position of the second wiring hole 221 can be set according to actual needs.

[0053] In one embodiment, a third wiring hole 211 is provided in the first baffle plate 21, and the third wiring hole 211 is connected to the accommodating space 12. The wires of the junction box 52 are connected to the connector 53 through the third wiring hole 211. The number of the third wiring holes 211 can be one or more. For example, a plurality of third wiring holes 211 are provided in the first baffle plate 21, and the plurality of wiring holes are spaced apart from each other along the circumference of the photovoltaic module 51. The number and positions of the third wiring holes 211 can be set according to actual needs.

[0054] In this embodiment, the frame structure also includes a cover body portion 40, which covers the side of the first baffle 21 and the second baffle 22 away from the main body back panel 11, so that a closed space is formed between the first baffle 21, the second baffle 22, the cover body portion 40 and the main body back panel 11, while preventing the junction box 52 from being exposed, thereby improving the aesthetics of the overall structure.

[0055] In one embodiment, the cover body portion 40 includes a cover plate 41 and a cover side edge 42, the cover side edge 42 is connected to a side of the cover plate 41 close to the baffle portion 20, and is engaged between the first baffle 21 and the second baffle 22. The structure and size of the cover plate and the cover side edge 42 are adapted to the first baffle 21, the second baffle 22 and the main body back plate 11, so that the cover plate can cover the groove opening between the first baffle 21 and the second baffle 22, and reserve sufficient installation space for the junction box 52.

[0056] Furthermore, a first outer flange 421 is provided on the outer periphery of the side edge 42 of the cover body, and a second outer flange 422 is provided on the side surfaces of the first baffle plate 21 and the second baffle plate 22 close to each other, and the first outer flange 421 and the second outer flange 422 are arranged in cooperation so that the cover body 40 is clamped between the first baffle plate 21 and the second baffle plate 22. Specifically, the first outer flange 421 and the second outer flange 422 both extend along the circumference of the photovoltaic module 51, and the first outer flange 421 is located at one end of the side edge 42 of the cover body away from the cover plate 41, and the position of the second outer flange 422 is adapted to the position of the first outer flange 421. The cross-sectional structure of the first outer flange 421 and the second outer flange 422 can be an arc structure, or a double-sided inclined bevel structure, or can be other suitable structures.

[0057] Furthermore, one end of the cover plate 41 away from the first baffle plate 21 is pressed onto the photovoltaic module 51. Specifically, one end of the cover plate 41 away from the first baffle plate 21 extends above the photovoltaic module 51, and by cooperating with the main body back plate 11, the protection effect of the photovoltaic module 51 is improved, and the risk of damage to the photovoltaic module 51 is further reduced. For example, in a top view along the thickness direction of the photovoltaic module 51, the projection contour of the cover plate 41 coincides with the projection contour of the main body back plate 11, so as to improve the aesthetics of the overall structure.

[0058] As described above, the frame structure of the photovoltaic module of this embodiment also includes the main back plate 11, the baffle portion 20 and the clamping plate portion 30 in the first embodiment, and thus also has the beneficial effects of the first embodiment.

[0059] Embodiment 3

[0060] This embodiment provides another frame structure of a photovoltaic module, which also includes the main back panel 11, the baffle portion 20 and the card portion 30 in the first or second embodiment. The similarities with the first or second embodiment will not be repeated here, and the differences from the first or second embodiment will be described in detail below.

[0061] like Figure 6 and Figure 7 As shown, in a cross-sectional view of the frame structure along a direction perpendicular to its circumferential direction, an F-shaped structure is formed between the first baffle 21, the second baffle 22 and the main body back plate 11, the first baffle 21 is connected to one end of the main body back plate 11, the second baffle 22 is connected to the area between the opposite ends of the main body back plate 11, the photovoltaic assembly 51 is arranged on a side of the second baffle 22 away from the first baffle 21, and the photovoltaic assembly 51 is in contact with the first surface of the main body back plate 11. Optionally, the thickness direction of the photovoltaic assembly 51 is in the same direction as the thickness direction of the main body back plate 11, so that the first baffle 21 and the second baffle 22 are both perpendicular to the photovoltaic assembly 51.

[0062] In one embodiment, the second card plate 32 is connected to the main body back plate 11, and a receiving space 12 is formed between the second card plate 32, the main body back plate 11, and the first baffle plate 21, and the junction box 52 is installed between the second card plate 32 and the first baffle plate 21. Further, the height of the second card plate 32 along the thickness direction of the main body back plate 11 is less than the height of the first baffle plate 21, and the busbar of the junction box 52 is connected to the photovoltaic module 51 from the side of the second card plate 32 away from the main body back plate 11.

[0063] In one embodiment, the frame structure also includes a cover body 40, and the first card plate 31 is connected to the side of the cover body 40 facing the main back plate 11. The position of the first card plate 31 is adapted to the first card plate 31. When the cover body 40 covers the first baffle 21 and the second baffle 22, the first card plate 31 and the second card plate 32 are spaced apart from each other to form a wiring gap 33, and the bus bar of the junction box 52 is connected to the photovoltaic module 51 through the wiring gap 33.

[0064] In one embodiment, if Figure 8 and Fig.10 As shown, the second baffle 22 can be an integrated structure or a discrete structure. Further, the second baffle 22 is, for example, a discrete structure, and the second baffle 22 includes a plurality of blocking sub-plates 222. In the top view of the frame structure, the plurality of blocking sub-plates 222 are arranged spaced apart from each other along the circumference of the photovoltaic module 51, and the positions of the blocking sub-plates 222 can be set according to actual needs so that the busbars of the junction box 52 can be connected to the photovoltaic module 51 from between two adjacent blocking sub-plates 222.

[0065] As described above, the frame structure of the photovoltaic module of this embodiment also includes the main body back plate 11, the baffle portion 20 and the card plate portion 30 in the first embodiment, and thus also has the beneficial effects of the first embodiment. In addition, in this embodiment, the first card plate 31 and the second card plate 32 are respectively connected to the cover portion 40 and the main body back plate 11, so that when the cover portion 40 is not covered, the accommodating space 12 has an upward opening, which makes it more convenient to install, locate and adjust the position of the junction box 52.

[0066] The above description is only a partial embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A frame structure of a photovoltaic module, comprising a main back plate (11) and a baffle portion (20) surrounding the periphery of the photovoltaic module (51), wherein the baffle portion (20) is vertically connected to the main back plate (11), characterized in that: The frame structure also includes a cardboard portion (30) surrounding the outer periphery of the photovoltaic assembly (51); The main body back plate (11) has a first surface and a second surface which are arranged opposite to each other; The baffle portion (20) comprises a first baffle (21) and a second baffle (22) which are spaced apart from each other and parallel to each other, and the first baffle (21) and the second baffle (22) are both connected to the first surface of the main body back plate (11); The clamping plate portion (30) is located between the first baffle plate (21) and the second baffle plate (22), and forms a receiving space (12) surrounding the photovoltaic component (51) between the baffle plate portion (20) and the main body back plate (11); the junction box (52) is installed in the receiving space (12) and is movable along the circumference of the photovoltaic component (51).

2. The frame structure of the photovoltaic module according to claim 1, characterized in that: The card plate portion (30) comprises a first card plate (31) and a second card plate (32), a wiring gap (33) is provided between the first card plate (31) and the second card plate (32), and a bus bar of the junction box (52) is connected to the photovoltaic assembly (51) via the wiring gap (33).

3. The frame structure of the photovoltaic module according to claim 2, characterized in that: The first clamping plate (31) and the second clamping plate (32) are respectively connected to the first baffle plate (21) and the second baffle plate (22) to enclose the accommodating space (12) together with the main body back plate (11).

4. The frame structure of the photovoltaic module according to claim 3, characterized in that: The photovoltaic assembly (51) is clamped between the first baffle (21) and the second baffle (22).

5. The frame structure of the photovoltaic module according to claim 4, characterized in that: The main body back plate (11) is provided with a first wiring hole (111) that penetrates the accommodating space (12), and the wires of the junction box (52) are connected to the connector (53) via the first wiring hole (111).

6. The frame structure of the photovoltaic module according to claim 2, characterized in that: In a cross-sectional view of the frame structure along a direction perpendicular to the circumferential direction of the photovoltaic module (51), an F-shaped structure is formed between the first baffle plate (21), the second baffle plate (22) and the main body back plate (11), the first baffle plate (21) is connected to one end of the main body back plate (11), the photovoltaic module (51) is located on a side of the second baffle plate (22) away from the first baffle plate (21), and is in contact with a first surface of the main body back plate (11).

7. The frame structure of the photovoltaic module according to claim 6, characterized in that: The first clamping plate (31) and the second clamping plate (32) are respectively connected to the first baffle plate (21) and the second baffle plate (22); a second wiring hole (221) is provided in the second baffle plate (22); and the busbar of the junction box (52) is connected to the photovoltaic module (51) via the wiring gap (33) and the second wiring hole (221) in sequence.

8. The frame structure of the photovoltaic module according to claim 6, characterized in that: The second clamping plate (32) is connected to the main body back plate (11) to enclose a receiving space (12) between the main body back plate (11) and the first baffle plate (21).

9. The frame structure of the photovoltaic module according to claim 6, characterized in that: It also comprises a cover body (40), wherein the cover body (40) covers the first baffle plate (21) and the second baffle plate (22) on a side away from the main body back plate (11), so as to form a closed space between the first baffle plate (21) and the second baffle plate (22).

10. The frame structure of the photovoltaic module according to claim 9, characterized in that: The first clamping plate (31) is connected to a side of the cover body (40) facing the main body back plate (11), and when the cover body (40) covers the first baffle plate (21) and the second baffle plate (22), the wiring gap (33) is formed between the first clamping plate (31) and the second clamping plate (32).

11. The frame structure of the photovoltaic module according to claim 9, characterized in that: The cover body portion (40) comprises a cover plate (41) and a cover body side edge (42); the cover body side edge (42) is connected to a side of the cover plate (41) close to the baffle portion (20) and is engaged between the first baffle (21) and the second baffle (22).

12. The frame structure of the photovoltaic module according to claim 11, characterized in that: A first outer flange (421) is provided on the outer periphery of the side edge (42) of the cover body, and a second outer flange (422) is provided on the side surfaces of the first baffle plate (21) and the second baffle plate (22) close to each other, and the first outer flange (421) and the second outer flange (422) are arranged in coordination so that the cover body (40) is clamped between the first baffle plate (21) and the second baffle plate (22).

13. The frame structure of the photovoltaic module according to claim 11, characterized in that: One end of the cover plate (41) away from the first baffle plate (21) is pressed onto the photovoltaic assembly (51).

14. The frame structure of the photovoltaic module according to claim 6, characterized in that: A third wiring hole (211) is provided in the first baffle (21), the third wiring hole (211) is connected to the accommodating space (12), and the wires of the junction box (52) are connected to the connector via the third wiring hole (211).

15. The frame structure of the photovoltaic module according to claim 6, characterized in that: The second baffle (22) comprises a plurality of blocking sub-plates (222); in a top view of the frame structure, the plurality of blocking sub-plates (222) are arranged at intervals from one another along the circumference of the photovoltaic assembly (51).

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