CN210053376U

CN210053376U - Photovoltaic module mounting structure and photovoltaic system

Info

Publication number: CN210053376U
Application number: CN201921279771.3U
Authority: CN
Inventors: 倪阳冬; 尉元杰; 徐寅生; 吴中海; 付传国
Original assignee: Atlas Photovoltaic Technology Suzhou Co Ltd; CSI Solar Technologies Inc; Atlas Sunshine Power Group Co Ltd
Current assignee: Canadian Solar Inc; CSI Cells Co Ltd; CSI Solar Technologies Inc
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-02-11
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a photovoltaic module mounting structure and photovoltaic system. The photovoltaic module mounting structure comprises a frame and a support, wherein a first sliding part is arranged on the support, the frame comprises two first frame bodies which are oppositely arranged, each first frame body comprises a body and a second sliding part, an accommodating groove is formed in the body, and an adhesive overflow groove is formed in the inner wall of the accommodating groove; the second sliding part is arranged at the bottom of the body, the second sliding part is configured to be in sliding fit with the first sliding part along the length direction of the first frame body, and the bottom of the body can abut against the support. The frame and the support in the photovoltaic module mounting structure are in sliding fit, and are mounted in a matched manner without bolts or pressing blocks and the like, so that the photovoltaic module mounting structure is convenient to mount and high in efficiency; bolts or pressing blocks are not used, so that stress concentration of the photovoltaic module frame and the support can be reduced, and the strength can be improved; after the photovoltaic module frame is matched with the support, the bottom of the first frame body can be abutted to the support, the fixing effect of the photovoltaic module frame and the support can be improved, and the stability is better.

Description

Photovoltaic module mounting structure and photovoltaic system

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a photovoltaic module mounting structure and photovoltaic system.

Background

The photovoltaic module is a core part in a solar power generation system and is also the most important part in the solar power generation system. The photovoltaic assembly comprises a laminating piece and a photovoltaic assembly frame, wherein the photovoltaic assembly frame is used for packaging and protecting the periphery of the laminating piece. The photovoltaic module frame is fixed on the support, and the support can protect photovoltaic module, avoids the subassembly to be corroded or is destroyed by wind-force.

In the prior art, the photovoltaic module frame is connected with the photovoltaic support through a bolt connection or a pressing block installation mode and the like. For a system with a high photovoltaic array design, manpower is needed to be added to ensure that the system is installed in place, and meanwhile, time is needed to adjust the relative positions of the photovoltaic module and the support, so that the installation efficiency of the photovoltaic module is low; the pressing block and the bolt have higher requirements on the torque, and if the locking torque does not meet the technical requirements, the problem that the frame is fatigue-ineffective or slides from the pressing block is easily caused under the outdoor long-term wind load effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic module mounting structure, simple to operate, it is efficient.

To achieve the purpose, the utility model adopts the following technical proposal:

a photovoltaic module mounting structure comprises a frame and a bracket, wherein a first sliding part is arranged on the bracket;

the frame includes two first frameworks that relative setting, first framework includes:

the glue-overflowing container comprises a body, wherein an accommodating groove is formed in the body, and a glue-overflowing groove is formed in the inner wall of the accommodating groove; and

the second sliding portion is arranged at the bottom of the body, the second sliding portion can be in sliding fit with the first sliding portion along the length direction of the first frame body, and the bottom of the body can be abutted against the support.

The first sliding part is provided with a first sliding groove, and the second sliding part extends into the first sliding groove and is in sliding fit with the first sliding groove.

The second sliding part is T-shaped or L-shaped, and the shape of the first sliding groove is matched with that of the second sliding part.

The second sliding part is provided with a second sliding groove, and the first sliding part is in sliding fit with the second sliding groove.

Wherein the second sliding portion includes:

one end of the first vertical plate is connected with the body; and

the lower transverse plate is connected with the other end of the first vertical plate;

the first vertical plate, the lower transverse plate and the body form the second sliding groove therebetween.

Wherein the first sliding portion includes:

a top plate slidably engaged between the lower cross plate and the body.

The distance between the lower transverse plate and the body is matched with the thickness of the top plate.

The first sliding part further comprises a first sliding groove, the second sliding part extends into the first sliding groove and is connected with the first sliding groove in a sliding mode, and the top plate is arranged on the inner wall of the first sliding groove.

Wherein the body comprises:

the connecting plate is vertically arranged;

one end of the upper transverse plate is connected with the connecting plate;

one end of the middle transverse plate is connected with the connecting plate, and the accommodating groove is formed between the upper transverse plate and the middle transverse plate; and

the one end of cantilever with the connecting plate is connected and is located the bottom of well diaphragm, and with well diaphragm interval sets up, first sliding part connect in the bottom of cantilever, the bottom surface of cantilever can with the support butt.

Wherein, the body still includes:

and one end of the second supporting plate is connected with the middle transverse plate, and the other end of the second supporting plate is connected with the cantilever.

Wherein, photovoltaic module mounting structure still includes:

the second frame body is perpendicular to the first frame body, and the end part of the second frame body can be spliced with the end part of the body to form a rectangular frame structure.

Another object of the utility model is to provide a photovoltaic system, the installation effectiveness is high.

a photovoltaic system comprises a laminated part and a photovoltaic module mounting structure as described above, wherein the laminated part is arranged on the frame.

Has the advantages that: the utility model provides a photovoltaic module mounting structure and photovoltaic system. In the photovoltaic module mounting structure, the frame and the support are mounted in a sliding fit manner through the first sliding part and the second sliding part, so that the frame can be rapidly mounted on the support without being mounted in a fit manner through bolts or pressing blocks, and the photovoltaic module mounting structure is convenient to mount and high in efficiency; bolts or pressing blocks are not needed, so that the stress concentration of the frame and the support can be reduced, and the strength can be improved; after the frame is matched with the support, the bottom of the first frame body can be abutted to the support, the fixing effect of the frame and the support of the photovoltaic assembly can be improved, and the stability is better.

Drawings

Fig. 1 is a top view of a photovoltaic module mounting structure according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a photovoltaic module mounting structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the first frame body and the bracket after being assembled according to the first embodiment of the present invention;

fig. 4 is a schematic structural view of the first frame body and the bracket after being assembled according to the second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first frame body according to a third embodiment of the present invention;

fig. 6 is a schematic structural view of the first frame body and the bracket according to the third embodiment of the present invention after being assembled.

Wherein:

1. a support; 10. a first sliding section; 12. a side plate; 13. a top plate; 16. a first chute;

2. a first frame body; 20. a second sliding section; 21. a connecting plate; 211. accommodating grooves; 212. a cavity; 214. a second chute; 22. an upper transverse plate; 221. a glue overflow groove; 23. a middle horizontal plate; 24. a second support plate; 25. a cantilever; 26. a lower transverse plate; 29. a first vertical plate;

3. a second frame body;

4. a laminate.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example one

As shown in fig. 1, the present embodiment provides a photovoltaic system, which includes a laminated member 4 and a photovoltaic module mounting structure, where the photovoltaic module mounting structure includes a frame and a bracket 1. The laminating piece 4 sets up on the frame, and the frame is fixed on support 1, and photovoltaic module mounting structure can protect laminating piece 4, avoids laminating piece 4 to be corroded or by wind-force destruction.

As shown in fig. 1 and 2, the laminate 4 has a rectangular structure, and the laminate 4 includes a front plate, a rear plate, and a battery sheet string disposed between the front plate and the rear plate. The battery piece string is composed of a plurality of battery pieces, the plurality of battery pieces are connected in series to obtain high voltage, then connected in parallel to obtain high current, and then a diode is used for preventing current from being transmitted back to realize electric energy output. Both the front and rear plates may be made of glass to protect the string of battery cells. In order to facilitate the fixation of the front plate and the rear plate with the battery piece string respectively, the front plate and the rear plate can be fixed with the battery piece string through glue layers. The front plate, the battery string and the rear plate are laminated by a laminator to form a laminate 4.

The frame is a rectangular frame structure and is used for packaging and protecting the peripheral edge of the laminated part 4, so that the laminated part 4 is prevented from being damaged. Specifically, the frame includes two first framework 2 and two second framework 3 of relative setting that set up relatively, and first framework 2 and the corresponding one side border of lamination piece 4 is established to second framework 3 cover to encapsulate protection to lamination piece 4, thereby increase photovoltaic system's compressive capacity, prolong photovoltaic system's life. The laminate 4 and the bezel form a photovoltaic module.

The end parts of the first frame body 2 and the second frame body 3 are butted, and the first frame body 2 and the second frame body 3 are spliced into a whole by fixing the first frame body 2 and the laminating piece 4 and fixing the second frame body 3 and the laminating piece 4. In order to improve the butt joint effect of the first frame body 2 and the second frame body 3, the butt joint end surfaces of the first frame body 2 and the second frame body 3 can be inclined surfaces which are matched with each other, so that the contact area of the first frame body 2 and the second frame body 3 is increased, and the splicing effect is good.

In practical application, a plurality of photovoltaic modules are used, and in order to ensure that the installation positions of the photovoltaic modules are accurate and the uniformity is high, the photovoltaic module installation structure may include two oppositely arranged supports 1, and each support 1 is correspondingly connected with one first frame body 2 or one second frame body 3 of the photovoltaic module frame. In this embodiment, the support 1 extends along the length direction of the first frame body 2, and each support 1 is connected with one first frame body 2 of the photovoltaic module correspondingly, so that the contact area between each photovoltaic module and the support 1 is increased, and the stability of fixing the photovoltaic module is improved.

In the prior art, the first frame body 2 and the support 1 are fixed through a pressing block or a bolt, so that time is required to adjust the relative positions of the photovoltaic module and the support 1, the installation is inconvenient, and the efficiency is low. In order to solve the above problem, in this embodiment, the photovoltaic module frame is installed in cooperation with the support 1 in a sliding manner, so that the installation is light and fast, the installation position of the photovoltaic module can be limited by the sliding direction, the uniformity of the photovoltaic module after installation is ensured, and the installation efficiency of the photovoltaic module is improved. In addition, through the sliding fit installation, need not to use bolt or briquetting, can also reduce the stress concentration of photovoltaic module frame and support 1, can improve intensity.

Specifically, as shown in fig. 3, a first sliding portion 10 is disposed on the bracket 1, the first frame 2 includes a body and a second sliding portion 20 disposed at the bottom of the body, and the second sliding portion 20 can form a sliding fit with the first sliding portion 10 along the length direction of the first frame 2, that is, is installed on the bracket 1 in a sliding manner, so as to fix the bracket 1 and the first frame 2; simultaneously, the bottom of body can also the butt on support 1 for support 1 can support first framework 2 and lamination piece 4, has increased the area of contact of photovoltaic module frame with support 1, is favorable to improving photovoltaic module's intensity and stability.

Referring to fig. 3, the body includes a connecting plate 21, and an upper cross plate 22 and a middle cross plate 23 sequentially arranged from top to bottom, wherein the upper cross plate 22 and the middle cross plate 23 are both connected with the connecting plate 21 and located on the same side of the connecting plate 21. A receiving groove 211 for receiving the edge of the lamination member 4 is formed between the upper transverse plate 22 and the middle transverse plate 23. In order to improve the fixing effect of the lamination member 4 and the first frame body 2, the lamination member 4 and the accommodating groove 211 can be fixed by adhesive bonding, and the lamination member 4 is prevented from shaking between the upper transverse plate 22 and the middle transverse plate 23. Alternatively, the glue may be a silicone glue. In order to avoid the problem that the normal operation of the photovoltaic module is influenced by the overflow of the silica gel to the surface of the laminating part 4 in the gluing process, the lower surface of the upper cross plate 22 is also provided with an overflow groove 221, and by arranging the overflow groove 221, redundant glue flows out through the overflow groove 221 in the gluing process, so that the pollution to the laminating part 4 is avoided.

In this embodiment, the second sliding portion 20 is provided with a second sliding slot, and the first sliding portion 10 is in sliding fit with the second sliding slot. Specifically, the second sliding portion 20 includes a first riser 29 and a lower cross plate 26. One end of the first vertical plate 29 is connected with the bottom of the middle transverse plate 23, the other end is connected with the lower transverse plate 26, the first vertical plate 29 and the lower transverse plate 26 are L-shaped, and the lower transverse plate 26 and the body are located on the same side of the first vertical plate 29, so that a second sliding groove is formed between the lower transverse plate 26 and the body. The first sliding portion 10 includes a top plate 13, and the top plate 13 may be disposed in parallel with the lower cross plate 26. When support 1 and frame cooperation, roof 13 level stretch into the second spout in, the bottom surface sliding fit of the top surface of roof 13 and body, the bottom surface of roof 13 and the top surface sliding fit of diaphragm 26 down can increase the cooperation area of first sliding part 10 and second sliding part 20 to improve gliding stability.

Alternatively, the first sliding portion 10 may further include a side plate 12, and a top plate 13 is disposed on top of the side plate 12. Through setting up curb plate 12, can play the guide effect with lower diaphragm 26 towards one side cooperation of curb plate 12, be favorable to improving sliding fit's stability.

By providing the first vertical plate 29 and the lower lateral plate 26 as the second sliding portion 20, the structure is simple, which is advantageous for cost control.

In order to further improve the stability of the sliding fit of the first sliding part 10 and the second sliding part 20, the distance between the lower transverse plate 26 and the body can be matched with the thickness of the top plate 13, that is, the distance between the lower transverse plate 26 and the body is equal to or slightly greater than the thickness of the top plate 13, so that the supporting effect of the bracket 1 on the body can be improved, and the assembly is more stable.

Optionally, the body may further include a cantilever arm 25, the cantilever arm 25 being located below the midplate 23. One end of the cantilever 25 is connected with the connecting plate 21, the second sliding part 20 is connected with the bottom of the cantilever 25, the cantilever 25 and the middle cross plate 23 are arranged at intervals, and the bottom surface of the cantilever 25 can be abutted to the bracket 1. When the first housing 2 is engaged with the bracket 1, the cantilever 25 abuts against the top plate 13. Through setting up cantilever 25, can increase the distance between holding tank 211 and the support 1, avoid leading to lamination piece 4 and support 1 to contact because of photovoltaic module frame or support 1 warp to avoid polluting lamination piece 4 or crushing lamination piece 4.

In order to further improve the strength of the first frame body 2, a second supporting plate 24 can be arranged between the cantilever 25 and the middle transverse plate 23, one end of the second supporting plate 24 is connected with the middle transverse plate 23, and the other end of the second supporting plate is connected with the cantilever 25, so that the first frame body 2 can be prevented from being stressed and deformed, and the laminating part 4 is prevented from being polluted or crushed.

A cavity 212 is formed between the cantilever 25 and the connecting plate 21, and purlins can be placed or matched with structures such as pressing blocks, so that more mounting modes are provided for the photovoltaic module frame.

Alternatively, the first vertical plate 29 and the connecting plate 21 may be an integrally formed structure, that is, one end of the connecting plate 21 continues to extend downwards from the bottom of the central cross plate 23 to form the first vertical plate 29, which may further simplify the structure of the first frame body 2.

Optionally, the first sliding portion 10 may further be provided with a rolling member, and the rolling member is in rolling contact with the second sliding portion 20, so that friction force during sliding installation can be reduced, abrasion of the bracket 1 or the first frame 2 is avoided, and smoothness of sliding fit can also be improved. Wherein the rolling member may be a roller. In other embodiments, the rolling member may be provided on the second sliding portion 20.

Alternatively, the second sliding portion 20 may extend along the length direction of the first frame 2, and the length of the second sliding portion 20 may be the same as the length of the first frame 2, which is beneficial to improving the matching effect of the first frame 2 and the bracket 1. In another embodiment, the length of the second sliding portion 20 may be smaller than the length of the first housing 2, and a plurality of second sliding portions 20 may be provided along the longitudinal direction of the first housing 2.

Optionally, the surface of the first frame body 2 may be further provided with a rib, and the rib may function as a reinforcing rib to improve the strength of the first frame body 2, for example, the first vertical plate 29, the middle horizontal plate 23, and the lower horizontal plate 26 may be provided with ribs, and the ribs may extend along the length direction of the first frame body 2.

After the photovoltaic module frame and the support 1 are assembled, the two ends of the second frame body 3 are lapped on the support 1, and the photovoltaic frame is further supported.

To further improve the supporting effect of the support 1 on the photovoltaic frame, the structure of the second frame 3 may be the same as that of the body in the first frame 2.

In another embodiment, the second sliding portion 20 may be provided at the bottom of the second frame 3, and it should be noted that, in the second sliding portion 20 of the second frame 3, the first vertical plate 29 is perpendicular to the longitudinal direction of the second frame 3, so that the second sliding portion 20 of the second frame 3 can be slidably engaged with the first sliding portion 10 on the support 1 along the longitudinal direction of the first frame 2, and the fixing effect of the support 1 and the photovoltaic module frame is further improved.

Example two

The present embodiment provides a photovoltaic system, which is different from the first embodiment in that the first sliding portion 10 is provided with a first sliding groove 16, and the shape of the first sliding portion 10 is adapted to the first sliding groove 16, so that the first sliding portion 10 can slide into the first sliding groove 16. As shown in fig. 4, the first sliding portion 10 includes two side plates 12 disposed opposite to each other, a top plate 13 is disposed on a top of each side plate 12, a gap is disposed between the two top plates 13, the side plates 12 and the top plates 13 enclose to form a first sliding slot 16, the first sliding slot 16 extends along a length direction of the bracket 1, one end of the bracket 1 in the length direction is open, and the second sliding portion 20 can slide into the first sliding slot 16 through the end opening. The bottom of the body of the first housing 2 can abut on the top plate 13.

Alternatively, the structure of the second sliding portion 20 may be the same as that in the first embodiment, and may also be arranged as shown in fig. 4, the lower cross plate 26 and the body may be located on two opposite sides of the first vertical plate 29, and the sliding fit between the first sliding portion 10 and the second sliding portion 20 may also be achieved.

EXAMPLE III

The present embodiment provides a photovoltaic module system, which is different from the above embodiments in that a first sliding groove 16 is provided on the first sliding portion 10, and a second sliding groove 214 is provided on the second sliding portion 20.

As shown in fig. 5, the first vertical plate 29 and the lower cross plate 26 of the second sliding portion 20 are T-shaped. The bracket has the same structure as the second embodiment. When the frame is assembled with the bracket 1, the first vertical plate 29 slides between the two top plates 13, and the lower horizontal plate 26 is located in the first sliding groove 16 and slides along the first sliding groove 16. When the support 1 is assembled with the frame, the second sliding portion 20 extends into the first sliding groove 16 on the first sliding portion 10, and the top plate 13 extends into the second sliding groove 214 on the second sliding portion 20, so that the support 1 and the frame slide in an embedded manner, and the sliding fit effect of the support 1 and the frame can be further improved.

Optionally, the distance between the two oppositely disposed side plates 12 may be adapted to the width of the lower horizontal plate 26, so as to limit the position of the second sliding portion 20 in the width direction of the first sliding groove 16, and prevent the first frame body 2 from swaying relative to the bracket 1 in the width direction thereof, thereby improving the fixing effect of the photovoltaic module and the bracket 1. Wherein, the width direction is a horizontal direction perpendicular to the sliding direction of the second sliding portion 20; by adapted, it is meant that the width of the lower cross plate 26 is equal to or slightly less than the width of the first runner 16.

Optionally, the lower cross plate 26 of the second sliding portion 20 may abut against the bottom surface of the first sliding groove 16, which is beneficial to improving the supporting effect of the bracket 1 on the frame.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A photovoltaic module mounting structure comprises a frame and a bracket (1), and is characterized in that a first sliding part (10) is arranged on the bracket (1);

the frame includes two first framework (2) of relative setting, first framework (2) include:

the glue container comprises a body, wherein a containing groove (211) is formed in the body, and a glue overflowing groove (221) is formed in the inner wall of the containing groove (211); and

and a second sliding part (20) arranged at the bottom of the body, wherein the second sliding part (20) can be in sliding fit with the first sliding part (10) along the length direction of the first frame body (2), and the bottom of the body can be abutted against the bracket (1).

2. The photovoltaic module mounting structure according to claim 1, wherein the first sliding portion (10) is provided with a first sliding groove (16), and the second sliding portion (20) extends into the first sliding groove (16) and is slidably engaged with the first sliding groove (16).

3. The photovoltaic module mounting structure according to claim 2, wherein the second sliding portion (20) is T-shaped or L-shaped, and the first sliding groove (16) has a shape adapted to the second sliding portion (20).

4. The photovoltaic module mounting structure according to claim 1, wherein a second sliding groove (214) is provided on the second sliding portion (20), and the first sliding portion (10) is slidably engaged with the second sliding groove (214).

5. The photovoltaic module mounting structure according to claim 4, wherein the second sliding portion (20) includes:

a first vertical plate (29), one end of the first vertical plate (29) is connected with the body; and

a lower transverse plate (26), wherein the lower transverse plate (26) is connected with the other end of the first vertical plate (29);

the second sliding groove (214) is formed among the first vertical plate (29), the lower transverse plate (26) and the body.

6. The photovoltaic module mounting structure according to claim 5, wherein the first sliding portion (10) includes:

a top plate (13), the top plate (13) being slidably fitted between the lower cross plate (26) and the body.

7. The photovoltaic module mounting structure according to claim 6, wherein the distance between the cross-board (26) and the body is adapted to the thickness of the top board (13).

8. The photovoltaic module mounting structure according to claim 6, wherein the first sliding portion (10) further includes a first sliding groove (16), the second sliding portion (20) extends into the first sliding groove (16) and is slidably connected to the first sliding groove (16), and the top plate (13) is disposed on an inner wall of the first sliding groove (16).

9. The photovoltaic module mounting structure according to any one of claims 1 to 8, wherein the body includes:

the connecting plate (21), the connecting plate (21) sets up vertically;

one end of the upper transverse plate (22) is connected with the connecting plate (21);

the middle transverse plate (23), one end of the middle transverse plate (23) is connected with the connecting plate (21), and the accommodating groove (211) is formed between the upper transverse plate (22) and the middle transverse plate (23); and

cantilever (25), the one end of cantilever (25) with connecting plate (21) are connected and are located the bottom of well diaphragm (23), and with well diaphragm (23) interval sets up, first sliding part (10) connect in the bottom of cantilever (25), the bottom surface of cantilever (25) can with support (1) butt.

10. The photovoltaic module mounting structure according to claim 9, wherein the body further comprises:

and one end of the second supporting plate (24) is connected with the transverse middle plate (23), and the other end of the second supporting plate (24) is connected with the cantilever (25).

11. The photovoltaic module mounting structure according to any one of claims 1 to 8, further comprising:

the second frame body (3) is perpendicular to the first frame body (2), and the end part of the second frame body (3) can be spliced with the end part of the body to form a rectangular frame structure.

12. A photovoltaic system comprising a laminate (4), characterized in that it further comprises a photovoltaic module mounting structure according to any one of claims 1-11, said laminate (4) being arranged on said rim.