CN218771881U - Frame assembly and mounting structure of frame assembly and color steel tile - Google Patents

Abstract

The application discloses frame subassembly, including first frame and second frame, first frame has axis mutually perpendicular's first chamber and the second of holding and holds the chamber, the second frame has axis mutually perpendicular's third and holds the chamber and the fourth holds the chamber, the second holds the chamber and locates the fourth and hold the intracavity and form the mounting groove, the mounting structure of frame subassembly and various steel tile is still disclosed, including first various steel tile, second various steel tile and above-mentioned frame subassembly, first various steel tile and second various steel tile all have first supporting part, first supporting part has the ascending bellying of buckling, first various steel tile all locates in above-mentioned mounting groove with the bellying of second various steel tile, just so can install frame subassembly integral type on various steel tile, form the BIPV subassembly, thereby with BIPV subassembly direct mount on the roof, improve the installation reliability, waterproof effect has.

Description

Frame assembly and mounting structure of frame assembly and color steel tile

Technical Field

The utility model belongs to the technical field of the photovoltaic equipment installation, especially, relate to a frame subassembly and various steel tile's mounting structure.

Background

The Building Integrated Photovoltaic (BIPV) combines a photovoltaic module with a building to realize the building function of the photovoltaic module, so that the building energy can be effectively reduced, and low carbon and even zero carbon of the building can be realized, which has important significance for energy conservation, emission reduction and environmental protection.

The existing roof photovoltaic module is generally installed by a clamp or a screw, and is similar to a small photovoltaic power station attached to a roof.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a frame subassembly and various steel tile's mounting structure can install frame subassembly integral type on various steel tile, forms the BIPV subassembly to with BIPV subassembly direct mount on the roof, improve the installation reliability, have water-proof effects.

The utility model provides a pair of frame subassembly, including first frame and second frame, first frame has axis mutually perpendicular's first chamber and the chamber is held to the second of holding, the second frame has axis mutually perpendicular's third and holds the chamber and the chamber is held to the fourth, the second holds the chamber and locates the fourth holds the intracavity and forms the mounting groove.

The utility model provides a pair of mounting structure of frame subassembly and various steel tile, including first various steel tile, the various steel tile of second and frame subassembly, the frame subassembly is as above the frame subassembly, first various steel tile with the various steel tile of second all has first supporting part, first supporting part has the ascending bellying of buckling, first various steel tile with the bellying of the various steel tile of second all is located in the mounting groove.

Preferably, in the mounting structure of the above-mentioned frame assembly and color steel tile, each color steel tile has two first supporting portions, and a second supporting portion is further disposed between the two first supporting portions of the color steel tile.

Preferably, in the mounting structure of the frame assembly and the color steel tile, the mounting structure further includes a first photovoltaic panel and a second photovoltaic panel, one side of the first photovoltaic panel and one side of the second photovoltaic panel are inserted into the first accommodating cavity of the first frame, the other side of the first photovoltaic panel and the other side of the second photovoltaic panel are inserted into the third accommodating cavity of the second frame, and the photovoltaic panels are located on the second supporting portion of the color steel tile.

Preferably, in the mounting structure of the frame assembly and the color steel tile, the photovoltaic panel and the second support portion, and the first frame and the second frame and the first support portion are fixed by fixing members.

Preferably, in the installation structure of the frame assembly and the color steel tile, the fixing component is a double-sided adhesive tape.

Preferably, in the mounting structure of the side frame assembly and the color steel tile, one of the second accommodating cavity and the fourth accommodating cavity has an L-shaped cross section, and the other has a U-shaped cross section.

Preferably, in the mounting structure of the frame assembly and the color steel tile, two cross sections of the second accommodating cavity and the fourth accommodating cavity are both U-shaped, and the depth of the second accommodating cavity is greater than that of the fourth accommodating cavity.

Preferably, in the mounting structure of the frame assembly and the color steel tile, the cross section of the protruding part is rectangular.

Preferably, in the mounting structure of the frame assembly and the color steel tiles, the color steel tiles and the photovoltaic panel are sequentially combined and connected in the extending direction of the second supporting part through matching with the frame assembly.

According to the above description, the utility model provides an above-mentioned frame subassembly, owing to including first frame and the second frame that is located both sides respectively, first frame has axis mutually perpendicular's first chamber and the chamber is held to the second of holding, and the second frame has axis mutually perpendicular's third and holds the chamber and the chamber is held to the fourth, the second holds the chamber and locates the fourth holds intracavity formation mounting groove, and above-mentioned frame subassembly and various steel tile's mounting structure includes first various steel tile, the various steel tile of second and above-mentioned frame subassembly, and first various steel tile and the various steel tile of second all have first supporting part, and first supporting part has the bellying of buckling upwards, and first various steel tile all locates with the bellying of the various steel tile of second in the mounting groove, consequently can install frame subassembly integral type on the various steel tile, form the BIPV subassembly to can be with BIPV subassembly direct mount on the roof, improve the reliability of installation, assemble frame subassembly and various steel tile together moreover, can not have any space, thereby have water-proof effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a first bezel of a first embodiment of a bezel assembly provided herein;

FIG. 2 is a schematic view of a second bezel of the first embodiment of a bezel assembly provided herein;

FIG. 3 is a schematic view of a first bezel of a second embodiment of a bezel assembly as provided herein;

FIG. 4 is a schematic view of a second bezel of a second embodiment of a bezel assembly as provided herein;

FIG. 5 is an overall schematic view of a bezel assembly provided herein;

FIG. 6 is a schematic cross-sectional view of a color steel tile as used herein;

fig. 7 is a schematic view of a first embodiment of a mounting structure of a frame assembly and color steel tiles provided by the present invention;

fig. 8 is a schematic view of a second embodiment of the mounting structure of the frame component and the color steel tile according to the present invention;

FIG. 9 is an overall front view of the mounting of the border assembly and photovoltaic panel to the color steel tile;

FIG. 10 is a top view of the mounting of the rim assembly to color steel tiles;

fig. 11 is an overall top view of the rim assembly mounted on a color steel tile.

Detailed Description

The core of the utility model is to provide a frame subassembly and various steel tile's mounting structure, can install frame subassembly integral type on various steel tile, form the BIPV subassembly to with BIPV subassembly direct mount on the roof, improve the installation reliability, have water-proof effects.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides a pair of frame subassembly can be including first frame and the second frame that is located both sides respectively, and first frame has axis mutually perpendicular's first chamber and the chamber is held to the second that holds, and the second frame has axis mutually perpendicular's third and holds the chamber and the chamber is held to the fourth, and the second holds the chamber and locates the fourth and hold the intracavity formation mounting groove. It should be noted that, the first accommodating cavity may be configured to accommodate a first side of a photovoltaic panel, the third accommodating cavity is configured to accommodate a second side of the photovoltaic panel, the first frame and the second frame may be but not limited to long frames and long sides for installing the photovoltaic panel, both sides of the photovoltaic panel need to be fixed by using the first frame and the second frame, specifically, the first side of the photovoltaic panel may be installed in the first accommodating cavity of the first frame, and the second side of the photovoltaic panel may be installed in the third accommodating cavity of the second frame, which achieves fixing of the photovoltaic panel and the frame assembly, the first frame further has the second accommodating cavity, which is perpendicular to a plane where a maximum surface of the installed photovoltaic panel is located, the second accommodating cavity is located in a mounting groove formed in the fourth accommodating cavity, which may be perpendicular to an axis of the first accommodating cavity, and the second accommodating cavity is further connected to a steel tile fixing boss, and the steel tile fixing assembly is more firmly connected to the steel tile assembly.

In a specific embodiment of the above bezel assembly, one of the second accommodating cavity and the fourth accommodating cavity has an L-shaped cross section, and the other has a U-shaped cross section. Referring to fig. 1 and fig. 2, fig. 1 is a schematic view of a first bezel of a first embodiment of a bezel assembly provided in the present application, and it can be seen that the whole body shown in fig. 1 is a first bezel 1, a cross section of a second receiving cavity 11 of the first bezel 1 is L-shaped, and the first receiving cavity 12 can be used for receiving a first edge of a photovoltaic panel, the first receiving cavity 12 can be located on a first bezel a surface 13, the first edge of the photovoltaic panel can be inserted into the first receiving cavity 12, one surface of the second receiving cavity 11 is a first bezel B surface 14, and the other surface is a first bezel C surface lower wall surface 15; fig. 2 is a schematic diagram of a second frame of the first embodiment of the frame assembly provided in the present application, it can be seen that the whole shown in fig. 2 is the second frame 2, a cross section of a fourth accommodating cavity 21 of the second frame 2 is a U-shaped, the frame assembly further includes a third accommodating cavity 22 for accommodating a second side of the photovoltaic panel, the third accommodating cavity 22 may be located on a second frame a surface 23, the second side of the photovoltaic panel may be inserted into the third accommodating cavity 22, one surface of the fourth accommodating cavity 21 is a second frame B surface 24, the other surface is a second frame C surface lower wall surface 25, and the third surface is a bent portion of a free edge of the second frame C surface, in this case, the second accommodating cavity 11 of the first frame 1 may be placed into the fourth accommodating cavity 21 of the second frame 2 to form an installation groove, and the bent portion of the fourth accommodating cavity 21 is used to form a sealed package effect. Of course, the two frames may be exchanged left and right, as long as one frame has an L-shaped cross section and the other frame has a U-shaped cross section, which is not limited herein.

In another specific embodiment of the above bezel assembly, two of the second receiving cavity and the fourth receiving cavity are U-shaped in cross-section. Referring to fig. 3 and 4, fig. 3 is a schematic view of a first frame of a second embodiment of the frame assembly provided by the present application, and it can be seen that, the whole body shown in fig. 3 is a first frame 3, a cross section of a second accommodating cavity 31 of the first frame 3 is U-shaped, and the first accommodating cavity 32 is further included for accommodating a first edge of a photovoltaic panel, the first accommodating cavity 32 can be located on a first frame a surface 33, the first edge of the photovoltaic panel can be inserted into the first accommodating cavity 32, one surface of the second accommodating cavity 31 is a first frame B surface 34, the other surface is a first frame C surface lower wall surface 35, and a third surface is a bent portion 36 of a first frame C surface free edge, and it can be seen that the bent portion 36 can extend to be flush with the lower edge of the first accommodating cavity 32, so as to achieve tighter wrapping of the raised portion of the color steel tile; referring to fig. 4, fig. 4 is a schematic view of a second frame of a second embodiment of the frame assembly provided by the present application, and it can be seen that, the whole of fig. 4 is the second frame 4, a section of a fourth accommodating cavity 41 of the second frame 4 is U-shaped, and the second frame further includes a third accommodating cavity 42 for accommodating a second side of the photovoltaic panel, the third accommodating cavity 42 can be located on a second frame a surface 43, the second side of the photovoltaic panel can be inserted into the third accommodating cavity 42, one surface of the fourth accommodating cavity 41 is a second frame B surface 44, the other surface is a second frame C surface lower wall surface 45, and the third surface is a bent portion 46 of a free edge of the second frame C surface, and it can be seen that a distance that the bent portion 46 extends downward is smaller than a distance that the bent portion 36 extends downward, so that a better wrapping effect can be formed, because after the second accommodating cavity and the fourth accommodating cavity are sleeved, a lower end of the bent portion 46 can only reach an upper surface of the first accommodating cavity 32, and therefore, a distance that the bent portion extends downward distance is smaller, so that a better fit can be achieved. Utilize two frame subassemblies that all have the chamber that holds of U type cross-section to go on with the fixed time of various steel tile, can form better parcel effect simultaneously at two lateral surfaces of the bellying of various steel tile, tighter, water-proof effects is better, and this of course can be selected according to actual need. Further, as shown in fig. 5, fig. 5 is an overall schematic view of the bezel assembly provided in the present application, and it can be seen that the bezel assembly has a long bezel 51 and a long bezel 52, when the long bezel 51 selects the shape of the first bezel 1, the long bezel 52 selects the shape of the second bezel 2, and vice versa, when the long bezel 51 selects the shape of the first bezel 3, the long bezel 52 selects the shape of the second bezel 4, and vice versa, as long as the extending distances of the left and right bending portions are different, in addition, fig. 5 also shows a short edge portion 53, it can be seen that the short edge portion 53 may be preferably in a bezel-free form, and in the case that the short edge of the assembly is in a bezel-free design, the assembly is easier to clean, and the bottom is not easy to accumulate dust, thereby avoiding hot spots and influence on the power generation amount.

According to the above description, the utility model provides an in the embodiment of above-mentioned frame subassembly, owing to including first frame and second frame, first frame has axis mutually perpendicular's the first chamber and the chamber that holds of second hold, the second frame has axis mutually perpendicular's the third and holds the chamber and the chamber is held to the fourth, the second holds the chamber and locates the fourth holds intracavity formation mounting groove, consequently can be fixed frame subassembly and various steel tile formation integral type, do not keep any gap to can improve the installation reliability, have water-proof effects.

The utility model provides a frame subassembly and various steel tile's mounting structure's a concrete embodiment is shown in fig. 6 and fig. 7, and this mounting structure can include first various steel tile, the various steel tile of second and frame subassembly, and this frame subassembly is as before the frame subassembly, this first various steel tile and this second various steel tile all have first supporting part, and this first supporting part has the ascending bellying of buckling, and this first various steel tile all locates in the above-mentioned mounting groove with the bellying of this second various steel tile.

Specifically, referring to fig. 6, fig. 6 is a schematic cross-sectional view of a color steel tile adopted in the present application, the color steel tile 6 has a first supporting portion 61, the first supporting portion 61 has an upward protruding portion 62, a cross section of the protruding portion 62 may be preferably a rectangle shown in fig. 6, and thus the color steel tile can be matched with the internal shape of the accommodating cavity, so as to realize better fixation of an integrated type, and certainly, the shape of the protruding portion 62 can be adjusted according to actual needs, such as a trapezoidal section or other irregular-shaped sections, as long as the integrated type fixation can be realized, referring to fig. 7, fig. 7 is a schematic view of the first specific embodiment of the installation structure of the frame assembly and the color steel tile, the protruding portion 62 on the first supporting portion 61 of the first color steel tile on the left side and the protruding portion 62 on the first supporting portion 61 of the second color steel tile on the right side are located in the second accommodating cavity 11 formed in the fourth accommodating cavity 21, the installation groove is fixed with the two protruding portions as a whole, so as to complete the installation of the frame assembly and the steel tile, and the installation of the photovoltaic panel can be installed in a plurality of the first long side without being inserted into the photovoltaic panel, and the photovoltaic panel can be seen from the first long side of the second accommodating cavity 22.

The utility model provides a frame subassembly and various steel tile's mounting structure's second embodiment is shown in fig. 8, fig. 8 is the utility model provides a frame subassembly and various steel tile's mounting structure's second embodiment's schematic diagram, this mounting structure can be located the second and hold chamber 31 and locate the fourth above-mentioned mounting groove that holds the intracavity formation including the bellying 62 that is located on the first supporting part 61 of left first various steel tile and the bellying 62 that is located the first supporting part 61 of the second various steel tile on right side, it is fixed as an organic whole with two bellying to fix this kind of mounting groove, the integral type installation of frame subassembly and various steel tile has just been accomplished, specifically can adopt multiple form to fix, and here is not restricted, wherein, the second holds chamber 31 and the fourth and holds two cross-sections in chamber 41 and be the U type, the second holds the degree of depth that chamber 31 is greater than the fourth and holds the degree of depth that chamber 41, specifically can adopt multiple form to fix, this department is not restricted, also can see out from fig. 8 that the right side of first photovoltaic board 81 inserts in the third photovoltaic board holds the long limit 82, the left side of the second photovoltaic board that holds the chamber 82.

It should be further noted that, with reference to fig. 8, it may be preferable to fix the two protruding portions 62 and the second accommodating cavity 31 in the mounting groove formed in the fourth accommodating cavity 41 by using an upright overlocking method, specifically, it may be possible to place the overlocking machine 83 in combination with an overlocking pressing block 84 on the interlocking group formed by the two protruding portions 62 and the mounting groove, and then perform an overlocking operation to press the interlocking group into an integral structure, so that the structural installation may be firmer, the integral effect may be better, and the service life of the whole BIPV module may be prolonged.

According to the above description, the embodiment of the above-mentioned mounting structure of frame subassembly and various steel tile that this application provided, owing to including first various steel tile, various steel tile of second and above-mentioned frame subassembly, first various steel tile and the various steel tile of second all have first supporting part, first supporting part has the ascending bellying of buckling, the mounting groove is all located with the bellying of the various steel tile of second to first various steel tile, two bellying just can form the integral type structure with the mounting groove, consequently, can be with BIPV subassembly direct mount on the roof, improve the reliability of installation, and assemble frame subassembly and various steel tile integral type together, can not have any space, thereby have water-proof effects.

On two concrete embodiment bases of the mounting structure of above-mentioned frame subassembly and various steel tile, continue to refer to fig. 6, every various steel tile 6 all has two first supporting parts 61, still is equipped with a second supporting part 63 between two first supporting parts 61 of various steel tile 6, and this second supporting part 63 can level and smooth surface, forms the support to the body bottom of photovoltaic board, avoids the photovoltaic board to take place bending phenomenon after long-time service. On this basis, referring to fig. 9, fig. 9 is a front view of the frame assembly and the photovoltaic panel mounted on the color steel tile, the mounting structure may further include a first photovoltaic panel 911 and a second photovoltaic panel 912, one side of the first photovoltaic panel 911 and the second photovoltaic panel 912 is inserted into the first accommodating cavity 92 of the first frame, the other side of the first photovoltaic panel 911 and the second photovoltaic panel 912 is inserted into the third accommodating cavity 93 of the second frame, and the photovoltaic panel is located on the second supporting portion 63 of the color steel tile. It is thus clear that the mounting structure of utilizing just can become an organic whole with the fastening of various steel tile with a plurality of photovoltaic boards, forms an integral BIPV subassembly to any water droplet that falls down above-mentioned can not follow and has permeated down between the frame subassembly, thereby guarantees that the leakproofness is stronger, and water-proof effects is better. Further, with reference to fig. 9, the photovoltaic panels 911 and 912 and the second supporting plate 63, and the first frame and the second frame and the first supporting portion 61 can be fixed by fixing members 94, which are preferably double-sided adhesive, so as to ensure that the frame assembly and the color steel tile are firmly connected enough and do not easily fall off, although other types of fixing members, such as glue and the like, can be selected according to actual needs, which are not limited herein, and may be used as long as they can play a fixing role, and the fixing members may be used as long as they play a temporary fixing role, during actual operation, the double-sided adhesive or glue may be adhered to the first supporting portion 61 and the second supporting portion 62 first, and then as shown in fig. 10, fig. 10 is a top view of the frame assembly mounted on the color steel tile, the photovoltaic panel 911 is placed thereon, and the photovoltaic panel 911 is temporarily fixed to prevent movement in subsequent operation, and when the photovoltaic panel 91 is fixed with the frame assembly and the color steel tile, the photovoltaic panel 91 forms a tight connection.

On the basis of the above embodiment of the installation structure of the side frame assembly and the color steel tile, referring to fig. 11, fig. 11 is an overall top view of the side frame assembly installed on the color steel tile, it can be seen that, a plurality of the color steel tiles and the photovoltaic panels 111 and 112 are sequentially combined and connected in the extending direction of the second support portion 63 through cooperation with the side frame assembly, a range of a distance between the photovoltaic panels 111 and 112 may preferably be 50mm to 70mm, the distance is a length of the gap 113 in fig. 11 in the extending direction of the second support portion 63, the distance of 50mm to 70mm may form a maintenance channel and a ventilation opening, so as to reduce the temperature of the assembly, and of course, the distance may also be adjusted according to actual needs, which is not limited herein, and further, the distance may preferably be 60mm.

In addition, it should be further noted that, with reference to fig. 6, in the above-mentioned mounting structure of the frame assembly and the color steel tile, the depth of the groove 64 between the first supporting portion 61 on the color steel tile 6 and the second supporting portion 63 adjacent thereto may be preferably 30mm to 50mm, and the groove of this size has the advantage of avoiding water accumulation of the color steel tile, and has better drainage performance, and meanwhile, the ventilation effect at the bottom of the assembly is better, the temperature of the assembly is reduced, and the power generation performance is better. The depth of the groove can be adjusted according to actual needs, and is not limited herein. Further, the depth of the groove 64 may preferably be 40mm. Moreover, the first frame and the second frame of the frame assembly that above-mentioned embodiment provided all can be preferably zinc-plated magnesium aluminum steel frame, can utilize zinc-plated magnesium aluminum steel to bend the shaping, are difficult for rustting like this, can guarantee that whole life is longer, and the effect of bending is also better, can certainly also choose the frame of other materials for use according to actual need, and here is not restricted.

The following describes an installation process of the installation structure of the frame assembly and the color steel tile by using a specific example:

1. placing the long edge of the photovoltaic assembly into an accommodating part of the frame assembly to perform framing;

2. paving color steel tiles on the roof;

3. sticking double-sided adhesive tape on the color steel tile;

4. placing the frame assembly on the color steel tile stuck with the double-sided adhesive tape, and temporarily fixing;

5. the frame components are arranged from right to left (the frames are assembled according to the component frames, the right frame is buckled on the left frame), the lower wall surface of the C surface of the left frame is buckled on the color steel tile, and the right frame is buckled on the left frame;

6. the frame assemblies are arranged, the frame assemblies are arranged on the roof from bottom to top, and enough space is reserved between the frame assemblies in the extending direction of the second supporting part;

7. and repeating the steps 4, 5 and 6, and sequentially placing, and carrying out integrated vertical edge locking of the color steel tile and the frame assembly by using an edge locking machine at the positions of the assembly frame and the color steel tile hasp.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a frame subassembly, its characterized in that includes first frame and second frame, first frame has axis mutually perpendicular's first chamber and the second of holding and holds the chamber, the second frame has axis mutually perpendicular's third and holds the chamber and the fourth holds the chamber, the second holds the chamber and locates the fourth holds the intracavity and forms the mounting groove.

2. The utility model provides a mounting structure of frame subassembly and various steel tile, its characterized in that includes first various steel tile, second various steel tile and frame subassembly, the frame subassembly be as claim 1 the frame subassembly, first various steel tile with the various steel tile of second all has first supporting part, first supporting part has the ascending bellying of buckling, first various steel tile with the bellying of the various steel tile of second all is located in the mounting groove.

3. The frame assembly and color steel tile mounting structure according to claim 2, wherein each color steel tile has two first support portions, and a second support portion is further disposed between the two first support portions of the color steel tile.

4. The mounting structure of frame assembly and color steel tile according to claim 3, further comprising a first photovoltaic panel and a second photovoltaic panel, wherein one side of the first photovoltaic panel and the second photovoltaic panel is inserted into the first receiving cavity of the first frame, the other side of the first photovoltaic panel and the second photovoltaic panel is inserted into the third receiving cavity of the second frame, and the photovoltaic panel is located on the second supporting portion of the color steel tile.

5. The mounting structure of a border assembly and a color steel tile according to claim 4, wherein the photovoltaic panel and the second support portion, and the first border and the second border and the first support portion are fixed by fixing members.

6. The frame assembly and color steel tile mounting structure according to claim 5, wherein said fixing member is a double-sided tape.

7. The structure of claim 2, wherein one of the second cavity and the fourth cavity has an L-shaped cross section, and the other one has a U-shaped cross section.

8. The structure of claim 2, wherein the second cavity and the fourth cavity are both U-shaped in cross section, and the depth of the second cavity is greater than the depth of the fourth cavity.

9. The structure of claim 2, wherein the cross section of the protruding portion is rectangular.

10. The mounting structure of the rim assembly and the color steel tile according to claim 5, wherein the color steel tiles and the photovoltaic panel are sequentially combined and connected in the extending direction of the second supporting portion by matching with the rim assembly.

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