CN217362996U

CN217362996U - Frame structure and photovoltaic device

Info

Publication number: CN217362996U
Application number: CN202220404863.5U
Authority: CN
Inventors: 吴国辉; 骆阳
Original assignee: Beijing Jingao Energy Technology Co ltd
Current assignee: Beijing Jingao Energy Technology Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-09-02
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a frame structure and photovoltaic device. The frame structure comprises a first frame and a second frame, wherein the first frame is used for being arranged on a first edge of the photovoltaic panel, and the second frame is used for being arranged on a second edge opposite to the first edge of the photovoltaic panel; the first frame comprises a first frame body and a first limiting part connected with the top of the first frame body, a first opening connected with the first edge is formed in the side face of the first frame body, the top face of the first frame body is higher than the top face of the first opening, and the first limiting part is provided with a first limiting groove with an upward opening; the second frame comprises a second frame body and a second limiting portion connected with the top of the second frame body, a second opening connected with the second edge is formed in the side face of the second frame body, the top face of the second frame body is higher than the top face of the second opening, and a second limiting groove with an upward opening is formed in the second limiting portion. The first frame body, the second frame body and the photovoltaic panel are matched to form a diversion trench, and drainage of the photovoltaic module is facilitated.

Description

Frame structure and photovoltaic device

Technical Field

The utility model relates to a solar cell technical field especially relates to a frame structure and photovoltaic device.

Background

The Building Integrated Photovoltaic (BIPV) technology is a technology for integrating a solar power generation (photovoltaic) product into a Building, and simply, a solar photovoltaic array is installed on the outer surface of an enclosure structure of the Building to provide electric power. According to the different modes of combining the photovoltaic square matrix with the building, the integration of the photovoltaic building can be divided into two categories: one is the combination of a photovoltaic array and a building; the other type is the integration of photovoltaic square matrix and buildings, such as photoelectric tile roofs, photoelectric curtain walls, photoelectric daylighting roofs and the like. In both of these ways, the integration of photovoltaic arrays with buildings is a common form, particularly with building roofing. The combination of the photovoltaic square matrix and the building does not occupy extra ground space, and the photovoltaic square matrix is the best installation mode for wide application of a photovoltaic power generation system in cities, so the photovoltaic square matrix is concerned.

The photovoltaic square matrix is composed of a plurality of photovoltaic modules, each photovoltaic module comprises a photovoltaic panel and four frames respectively assembled on four sides of the photovoltaic panel, and two adjacent photovoltaic modules can be integrated by assembling the frames of the two adjacent photovoltaic modules. The frame of the photovoltaic module can be connected with a support on the ground or a building to be fixed. In the related art, the top surface of the frame and the surface of the photovoltaic panel are basically flush, the retention time of liquid such as rainwater on the frame of the photovoltaic assembly and the photovoltaic panel is long, and the drainage effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses one of the purpose lies in overcoming prior art defect to a frame structure is provided, this frame structure can cooperate the photovoltaic board to realize the water conservancy diversion effect, does benefit to photovoltaic module's drainage. The specific technical scheme is as follows:

a frame structure comprising a first frame for mounting on a first side of a photovoltaic panel, and a second frame for mounting on a second side of the photovoltaic panel opposite the first side;

the first frame comprises a first frame body and a first limiting part connected with the top of the first frame body, a first opening connected with the first edge is formed in the side face of the first frame body, the top face of the first frame body is higher than the top face of the first opening, and the first limiting part is provided with a first limiting groove with an upward opening;

the second frame comprises a second frame body and a second limiting portion connected with the top of the second frame body, a second opening connected with the second edge is formed in the side face of the second frame body, the top face of the second frame body is higher than the top face of the second opening, and a second limiting groove with an upward opening is formed in the second limiting portion.

In some embodiments, the first limiting portion includes a first inner protrusion and a first outer protrusion, which are oppositely disposed, the first inner protrusion is higher than the first outer protrusion, a gap between the first inner protrusion and the first outer protrusion forms the first limiting groove, and the first inner protrusion is located between the first outer protrusion and the first opening;

the second limiting part comprises a second inner lug and a second outer lug which are oppositely arranged, the second inner lug is higher than the second outer lug, a gap between the second inner lug and the second outer lug forms the second limiting groove, and the second inner lug is positioned between the second outer lug and the second opening.

In some embodiments, a first limiting protrusion is arranged on a side wall of the first inner convex block, which is away from the first outer convex block;

and a second limiting bulge is arranged on the side wall of the second inner convex block deviating from the second outer convex block.

In some embodiments, the first limiting protrusion is formed by extending downward from an edge of a top end of the first inner protruding block, and the second limiting protrusion is formed by extending downward from an edge of a top end of the second inner protruding block.

In some embodiments, the first frame body is provided with a first built-in cavity for accommodating a junction box;

the second frame body is provided with a second built-in cavity for accommodating the junction box.

A portion of the first built-in cavity is located above the first opening and a portion of the second built-in cavity is located above the second opening.

In a second aspect, the present disclosure provides a photovoltaic device having the above frame structure, including, in order to improve waterproof performance by closely bonding photovoltaic modules together in the installation and use process:

a plurality of photovoltaic panels, each of the photovoltaic panels comprising opposing first and second edges;

in the frame structure, the first frame of the frame structure is assembled on the first edge, and the second frame of the frame structure is assembled on the second edge;

the sealing assembly is sealed on the second frame assembled on one photovoltaic panel in two adjacent photovoltaic panels and the first frame assembled on the other photovoltaic panel, and comprises a waterproof cover plate assembled on the first frame and the second frame.

In some embodiments, the first position-limiting part comprises a first inner bump and a first outer bump which are oppositely arranged, the first inner bump is higher than the first outer bump, and a gap between the first inner bump and the first outer bump forms a first position-limiting groove;

the second limiting part comprises a second inner lug and a second outer lug which are oppositely arranged, the second inner lug is higher than the second outer lug, a second limiting groove is formed by a gap between the second inner lug and the second outer lug, and two ends of the waterproof cover plate are respectively supported on the first inner lug of one photovoltaic plate and the second inner lug of the other photovoltaic plate which are adjacent.

In some embodiments, a first limiting protrusion is arranged on a side wall of the first inner convex block, which is away from the first outer convex block; a second limiting bulge is arranged on the side wall of the second inner convex block, which deviates from the second outer convex block;

two sides of the waterproof cover plate are respectively provided with a first clamping piece which is clamped with the first limiting bulge on one photovoltaic plate and the second limiting bulge on the other photovoltaic plate in two adjacent photovoltaic plates;

preferably, two first clamping pieces on two sides of the waterproof cover plate cover the surfaces of the first limiting bulges and the surfaces of the second limiting bulges respectively.

In some embodiments, the photovoltaic device further comprises a plurality of pressing block assemblies assembled on the first limiting part on one photovoltaic panel and the second limiting part on the other photovoltaic panel of two adjacent photovoltaic panels and positioned below the waterproof cover plate; the pressing block assembly comprises a pressing block, two opposite sides of the pressing block are respectively supported on the first inner convex block and the second inner convex block and are provided with pressing parts protruding downwards, one pressing part is pressed in the first limiting groove on one photovoltaic plate of two adjacent photovoltaic plates, and the other pressing part is pressed in the second limiting groove on the other photovoltaic plate;

preferably, the sum of the heights of the first inner bump and the pressing block is equal to or less than the height of the first outer bump;

the sum of the heights of the second inner convex block and the pressing block is equal to or less than the height of the second outer convex block.

In some embodiments, the photovoltaic panel comprises: a first photovoltaic panel, a second photovoltaic panel, a third photovoltaic panel adjacent to the first photovoltaic panel, and a fourth photovoltaic panel adjacent to the second photovoltaic panel;

the sealing assembly comprises a first sealing assembly assembled on the second frame of the first photovoltaic panel and the first frame of the second photovoltaic panel, and a second sealing assembly assembled on the second frame of the third photovoltaic panel and the first frame of the fourth photovoltaic panel in a sealing manner, wherein the first sealing assembly comprises a first waterproof cover plate assembled on the first frame of the second photovoltaic panel and the second frame of the first photovoltaic panel; the second sealing assembly comprises a second waterproof cover plate assembled on the first frame of the fourth photovoltaic panel and the second frame of the third photovoltaic panel; and

the cover plate connecting piece is used for connecting the first waterproof cover plate and the second waterproof cover plate, and the cover plate connecting piece can cover the gap between the first waterproof cover plate and the second waterproof cover plate.

In some embodiments, a first limiting protrusion is arranged on a side wall of the first inner convex block, which is away from the first outer convex block; a second limiting bulge is arranged on the side wall of the second inner convex block, which deviates from the first outer convex block;

two ends of the first waterproof cover plate are respectively supported on the first inner convex block of the second photovoltaic plate and the second inner convex block of the first photovoltaic plate; two ends of the second waterproof cover plate are respectively supported on the first inner convex block of the fourth photovoltaic panel and the second inner convex block of the third photovoltaic panel;

two sides of the first waterproof cover plate and two sides of the second waterproof cover plate are respectively provided with a first clamping piece connected with a first limiting bulge on the first inner convex block and a second limiting bulge on the second inner convex block;

the both sides of apron connecting piece are equipped with second joint spare respectively, second joint spare is in the cover respectively first waterproof apron with the surface of the first joint spare of the waterproof apron both sides of second and respectively rather than corresponding first joint spare lock joint.

The utility model provides a technical scheme has following beneficial effect at least:

after a first frame and a second frame of the frame structure provided by the disclosure are assembled with a first edge and a second edge of a photovoltaic panel respectively, the first frame comprises a first frame body and a first limit part connected with the top of the first frame body, a first opening is arranged on the side surface of the first frame body, the first edge of the photovoltaic panel is assembled in the first opening, the top surface of the first frame body is higher than the top surface of the first opening, the second frame comprises a second frame body and a second limit part connected with the top of the second frame body, a second opening is arranged on the side surface of the second frame body, a second edge of the photovoltaic panel is assembled in the opening of the second frame body, and the top surface of the second frame body is higher than the top surface of the second opening, so that a U-shaped diversion trench is formed between the first frame body (or further comprises the first limit part), the photovoltaic panel and the second frame body (or further comprises the second limit part), and rainwater is smoothly discharged along the U-shaped diversion trench, in addition, the arrangement of the first limiting part and the second limiting part enables the assembly formed by the frame structure and the photovoltaic panel to be directly connected with other parts (such as a waterproof cover plate) as a roof maintenance component, so that the durability of the photovoltaic building integrated roof is improved.

The utility model provides a photovoltaic device, based on the first frame of the sealed equipment of sealing component on the second frame on the photovoltaic board and another photovoltaic board in two adjacent photovoltaic boards to sealing component's waterproof cover plate is assembled in first frame and second frame, avoids rainwater etc. to get into between first frame and the second frame, and this makes sealing component can sealing connection first frame and second frame effectively, makes photovoltaic device have good water-proof effects and durability.

In addition, two sides of the pressing block are respectively supported on a first inner convex block forming a first limiting groove and a second inner convex block forming a second limiting groove, and the pressing parts at two sides of the pressing block are respectively pressed in the second limiting groove of one photovoltaic plate and the first limiting groove of the other photovoltaic plate in the adjacent photovoltaic plates so as to connect the two adjacent photovoltaic plates, furthermore, a waterproof cover plate of the sealing assembly is hermetically supported on a second outer convex block of the first limiting groove and a first outer convex block of the second limiting groove, namely the waterproof cover plate pressing block assembly covers on the waterproof cover plate so as to prevent rainwater from falling into the connecting part of one photovoltaic plate, the pressing block assembly and the other photovoltaic plate, finally, the cover plate connecting piece connects the first waterproof cover plate and the second waterproof cover plate which are adjacent, and can simultaneously cover the gap between the two adjacent waterproof cover plates, thereby preventing rainwater from permeating into the inner part from the gap between the two adjacent waterproof cover plates, this disclosed photovoltaic device makes equipment between adjacent photovoltaic board and the photovoltaic board have initiative waterproof effect through waterproof apron, briquetting subassembly and apron connecting piece complex mode promptly.

Drawings

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

Fig. 1 is a schematic structural diagram of a photovoltaic device according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a photovoltaic panel of FIG. 1;

FIG. 3 is a schematic diagram of a portion of the photovoltaic device of FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural diagram of a second frame according to an embodiment of the disclosure;

FIG. 6 is a schematic diagram of the relative positions of adjacent frames on the first photovoltaic panel and the second photovoltaic panel of FIG. 1;

FIG. 7 is a schematic structural view of the first photovoltaic panel and the second photovoltaic panel of FIG. 1 connected by a briquetting assembly;

FIG. 8 is a schematic plan view of the sealing assembly at the border connection of the first photovoltaic panel and the second photovoltaic panel of FIG. 1;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is a schematic plan view of a portion of a cover connection at the junction of the first and second waterproof covers of FIG. 1;

fig. 11 is a cross-sectional view taken along line C-C of fig. 9.

Description of reference numerals:

a photovoltaic panel-110; a first photovoltaic panel-111; a second photovoltaic panel-112; a third photovoltaic panel-113; a fourth photovoltaic panel-114; a first side-101; a second edge-102;

a first frame-120; a first frame body-121; a first stopper portion-122; a first opening-123; a first limit groove-124; a first lumen-125; a first inner bump-126; a first outer bump-127; a first stop lug-128;

a second rim-130; a second frame body-131; a second stopper portion-132; a second opening-133; a second limit groove-134; a second built-in cavity-135; a second inner bump-136; a second outer bump-137; a second limit projection-138;

a seal assembly-140; a waterproof cover plate-141; a first waterproof cover-142; a second waterproof cover-143; a first clip-144;

a briquetting assembly-150; briquetting-151; a crimping portion-152; mounting screw-153;

cover plate connector-160; a second clip-161;

l-represents the distance between the first rim of the second photovoltaic panel and the second rim of the first photovoltaic panel.

Detailed Description

In the correlation technique, the frame includes a framework, and the top of the side of framework is equipped with the opening of being connected with the photovoltaic board, and frame and photovoltaic board equipment back like this flush basically between the top surface of frame and the surface of photovoltaic board, and this makes liquid such as rainwater flow on frame and photovoltaic board irregularly, has increased dwell time on photovoltaic module such as rainwater, is unfavorable for photovoltaic module's drainage, and photovoltaic module's drainage effect is relatively poor.

Based on the analysis and discovery of the above-mentioned problems, the embodiments of the present disclosure provide a bezel structure including a first bezel for mounting on a first side of a photovoltaic panel, and a second bezel for mounting on a second side opposite to the first side of the photovoltaic panel; the first frame comprises a first frame body and a first limiting part connected with the top of the first frame body, a first opening connected with the first edge is formed in the side face of the first frame body, the top face of the first frame body is higher than the top face of the first opening, and the first limiting part is provided with a first limiting groove with an upward opening; the second frame comprises a second frame body and a second limiting portion connected with the top of the second frame body, a second opening connected with the second edge is formed in the side face of the second frame body, the top face of the second frame body is higher than the top face of the second opening, and a second limiting groove with an upward opening is formed in the second limiting portion.

The first frame and the second frame are respectively assembled with the first edge and the second edge of the photovoltaic panel in the frame assembly provided by the embodiment of the disclosure, the top surface of the first frame body is higher than the top surface of the first opening, the top surface of the second frame body is higher than the top surface of the second opening, the first opening is connected with the first edge of the photovoltaic panel, and the second opening is connected with the second edge of the photovoltaic panel, so that a diversion trench is formed between the first frame body (or the first limiting part is further included), the photovoltaic panel and the second frame body (or the second limiting part is further included), liquid such as rainwater can flow in the diversion trench, and drainage of the photovoltaic assembly is facilitated.

In order to more clearly understand the bezel assembly provided by the embodiments of the present disclosure, the following embodiments are given:

example 1

The orientation of each photovoltaic panel in fig. 1-3 is the same, and "top", "upper" and "upward" are based on the orientation of fig. 4-7, 9 and 11, and the orientation of the frame structure in fig. 4-7 and 9 and 11 is the same, and references herein to "inner" refer to a location relatively close to the photovoltaic panel and "outer" refer to an orientation relatively away from the photovoltaic panel. Referring collectively to fig. 1-3, the bezel structure includes a first bezel 120 for mounting to a first side 101 of the photovoltaic panel 110, and a second bezel 130 for mounting to a second side 102 opposite the first side 101 of the photovoltaic panel 110; referring to fig. 4, the first frame 120 includes a first frame 121 and a first position-limiting portion 122 connected to the top of the first frame 121, a first opening 123 connected to the first side is formed on a side surface of the first frame 121, a top surface of the first frame 121 is higher than a top surface of the first opening 123, and the first position-limiting portion 122 has a first position-limiting groove 124 with an upward opening; referring to fig. 4-5, the second frame 130 includes a second frame 131 and a second limiting portion 132 connected to the top of the second frame 131, a second opening 133 connected to the second side is formed on a side surface of the second frame 131, a top surface of the second frame 131 is higher than a top surface of the second opening 133, and the second limiting portion 132 has a second limiting groove 134 with an upward opening.

After the first frame 120 and the second frame 130 are assembled with the first edge and the second edge of the photovoltaic panel 110, based on that the top surface of the first frame 121 is higher than the top surface of the first opening 123, the top surface of the second frame 131 is higher than the top surface of the second opening 133, the first opening 123 is connected with the first edge 101 of the photovoltaic panel 110, and the second opening 133 is connected with the second edge 102 of the photovoltaic panel, a diversion trench is formed between the first frame 121 (or the first limiting portion 122), the photovoltaic panel 110 and the second frame 131 (or the second limiting portion 132), so that liquid such as rainwater can flow in the diversion trench, and drainage of the photovoltaic module is facilitated.

The photovoltaic panel 110 of fig. 1 may include a first photovoltaic panel 111 and a second photovoltaic panel 112, with a second bezel 130 of the first photovoltaic panel 111 assembled with a first bezel 120 of the second photovoltaic panel 112.

With reference to fig. 4, the first position-limiting portion 122 may include a first inner protrusion 126 and a first outer protrusion 127 that are disposed opposite to each other, the first inner protrusion 126 is higher than the first outer protrusion 127, a first position-limiting groove 124 is formed between the first inner protrusion 126 and the first outer protrusion 127, and the first inner protrusion 126 is located between the first outer protrusion 127 and the first opening 123; with reference to fig. 4 and fig. 5, the second position-limiting portion 132 includes a second inner protrusion 136 and a second outer protrusion 137, the second inner protrusion 136 is higher than the second outer protrusion 137, a second position-limiting groove 134 is formed between the second inner protrusion 136 and the second outer protrusion 137, the second inner protrusion 136 is located between the second outer protrusion 137 and the second opening 133, and the first position-limiting groove 124 and the second position-limiting groove 134 are assembled with other components. For example, two ends of the pressing block 151 may be respectively supported on the first outer protrusion 127 of the second photovoltaic panel 112 and the second outer protrusion 137 of the first photovoltaic panel 111, and two ends of the pressing block 151 may be pressed into the first limiting groove 124 and the second limiting groove 134, at this time, the upper surface of the pressing block 151 is flush with the surfaces of the first inner protrusion 126 of the second photovoltaic panel 112 and the second inner protrusion 136 of the first photovoltaic panel 111, so as to jointly support the waterproof cover plate 141 which performs a subsequent sealing function.

With continued reference to fig. 4-5, a first limiting protrusion 128 may be disposed on a side wall of the first inner protrusion 126 away from the first outer protrusion 127, a second limiting protrusion 138 may be disposed on a side wall of the second inner protrusion 136 away from the second outer protrusion 137, the first limiting protrusion 128 may be formed by extending downward from an edge of a top end of the first inner protrusion 126, and the second limiting protrusion 138 may be formed by extending downward from an edge of a top end of the second inner protrusion 136. The first limiting protrusion 128 and the second limiting protrusion 138 are connected to other components, for example, can be connected to the waterproof cover plate 141 in a snap-fit manner, and the waterproof cover plate 141 covers adjacent frames of two photovoltaic panels, for example, covers a gap between the second frame 130 of the first photovoltaic panel 111 and the first frame 120 of the second photovoltaic panel 112, so as to prevent rainwater from penetrating along the gap between the two adjacent photovoltaic panels, and the rainwater can be directly guided into a diversion trench formed between the first frame 121 (or the first limiting portion 122), the photovoltaic panel 110, and the second frame 131 (or the second limiting portion 132) along the edge of the waterproof cover plate 141, thereby achieving an active waterproof effect. In addition, the arrangement positions and forms of the first limiting protrusion 128 and the second limiting protrusion 138 can be conveniently connected with the waterproof cover plate 141, repeated bending of the waterproof cover plate 141 when the structure of a traditional frame is connected with the waterproof cover plate 141 is avoided, and the durability of the integrated photovoltaic building product is guaranteed to a certain extent.

With continued reference to fig. 4-5, the first frame 121 has a first built-in cavity 125 for accommodating the terminal box; the second frame 131 is provided with a second built-in cavity 135 for accommodating the junction box. In this embodiment, the frame structure may be made of a material with high durability, such as aluminum alloy, the first frame 120 and the second frame 130 are long sides of the frame structure, a portion of the first built-in cavity 125 is located above the first opening 123, a portion of the second built-in cavity 135 is located above the second opening 133, the cross-sectional shape is as shown in fig. 4, the connection form of the aluminum alloy frame and the photovoltaic panel 110 composed of glass, a back panel and the like is unchanged, the height of the cross section of the photovoltaic panel 110 is obviously higher than that of the surface of the photovoltaic panel 110, the lower part of the frame, namely the inside of the first frame body 121 or the second frame body 131, has enough space for the built-in junction box, therefore, the junction box is effectively protected, direct influence of open fire is avoided, the photovoltaic module can form a U-shaped water tank after the aluminum alloy frame on the long side is assembled with the photovoltaic panel 110, and meanwhile, the bearing capacity in the long side direction in the frame structure can be greatly improved.

According to the photovoltaic panel, the sectional shape of the frame structure of the photovoltaic panel is changed, so that the photovoltaic panel is tightly combined with each other in the installation and use processes, the waterproof performance of the BIPV is effectively improved by combining the frame protrusions (the first limiting protrusion 128 and the second limiting protrusion 138) with the waterproof cover plate 141, the durability of the BIPV is ensured, and the durability of the related main materials such as aluminum alloy, glass and the like is fully verified in practical application.

Example 2

When the frame structure in embodiment 1 can be directly used for a photovoltaic device, the two adjacent photovoltaic panels form a diversion trench through clamping between the frame and the frame. Because the frame is the metal frame, has the gap behind frame and the frame joint, this makes liquid such as rainwater flow in the gap between two frames easily, though the guiding gutter can discharge the rainwater of leaking etc. nevertheless when rainwater isopower is great, rainwater in the guiding gutter can spill over and permeate in the gap on every side, makes photovoltaic device appear leaking the problem, and water-proof effects is poor.

Accordingly, the present disclosure provides a photovoltaic device having the above-mentioned frame structure, please refer to fig. 1 to fig. 3 in combination, the photovoltaic device may further include a sealing assembly 140 and a plurality of photovoltaic panels 110, each photovoltaic panel 110 includes a first side 101 and a second side 102 opposite to each other, the first side 101 and the second side 102 may be long sides opposite to each other, the photovoltaic panel 110 includes a first photovoltaic panel 111 and a second photovoltaic panel 112, the first frame 120 of the frame structure is assembled on the first side 101, and the second frame 130 of the frame structure is assembled on the second side 102; the photovoltaic panel 110 may include only the first photovoltaic panel 111 and the second photovoltaic panel 112, or may include four photovoltaic panels 110 as shown in fig. 1, including the first photovoltaic panel 111, the second photovoltaic panel 112, a third photovoltaic panel 113 adjacent to the first photovoltaic panel 111, and a fourth photovoltaic panel 114 adjacent to the second photovoltaic panel 112.

Referring to fig. 8-9, the sealing assembly 140 is sealed to the second frame 130 assembled on one of the two adjacent photovoltaic panels 110 and the first frame 120 assembled on the other photovoltaic panel 110, the sealing assembly 140 includes a waterproof cover plate 141 assembled on the first frame 120 of one of the two adjacent photovoltaic panels 110 and the second frame 130 of the other photovoltaic panel, and two ends of the waterproof cover plate 141 are respectively supported on the first inner bump 126 of one of the two adjacent photovoltaic panels 110 and the second inner bump 136 of the other photovoltaic panel. Specifically, two sides of the waterproof cover plate 141 are respectively provided with a first clamping piece 144 connected with the first limiting protrusion 128 on one photovoltaic plate and the second limiting protrusion 138 on the other photovoltaic plate of the two adjacent photovoltaic plates 110, and the first clamping piece 144 can be formed by turning the edges of two opposite long edges of the waterproof cover plate 141 inwards; in this embodiment, the two first clamping members 142 on the two sides of the waterproof cover plate 141 respectively cover the surfaces of the first limiting protrusion 128 and the second limiting protrusion 138 and are fastened with the first limiting protrusion 128 and the second limiting protrusion 138 respectively, so that the gap between the frame of the first photovoltaic panel 111 and the frame of the second photovoltaic panel 112 can be effectively blocked, and rainwater can be directly guided into the U-shaped guide groove to actively drain.

Referring to fig. 6, the frame of two adjacent photovoltaic panels 110 is usually reserved with a distance L of 20mm, so as to facilitate the installation of the pressing block assembly 150, referring to fig. 7 and 9, the pressing block assembly 150 is located below the waterproof cover plate 141, can be assembled on the first limiting part 122 of one photovoltaic panel and the second limiting part 132 of the other photovoltaic panel of two adjacent photovoltaic panels 110, the pressing block assembly 150 comprises a pressing block 151, two opposite sides of the pressing block 151 are respectively supported on the first inner bump 126 and the second inner bump 136 and are provided with a pressing part 152 protruding downwards, one pressing part 152 is pressed in the first limiting groove 124 of one photovoltaic panel of two adjacent photovoltaic panels 110, the other pressing part 152 is pressed in the second limiting groove 134 of the other photovoltaic panel, with such an arrangement, the pressing block 151 can be conveniently and accurately assembled on the first limiting portion 122 and the second limiting portion 132, in the present embodiment, the sum of the heights of the first inner bump 126 and the pressing block 151 is equal to the height of the first outer bump 127; the sum of the heights of the second inner protrusion 136 and the pressing piece 151 is equal to the height of the second outer protrusion 137. Of course, the sum of the heights of the first inner protrusion 126 and the pressing block 151 may also be smaller than the height of the first outer protrusion 127; the sum of the heights of the second inner protrusion 136 and the pressing block 151 may also be smaller than the height of the second outer protrusion 137, and preferably, the sum of the heights of the first inner protrusion 126 and the pressing block 151 is equal to the sum of the heights of the second inner protrusion 136 and the pressing block 151, so that the pressing block assembly 150 is horizontally assembled below the waterproof cover plate 141, and the waterproof cover plate 141 seals the pressing block assembly 150 inside, thereby preventing rainwater and the like from flowing through the pressing block assembly 150. The pressing block assembly 150 is used for fixedly connecting the first frame 120 and the second frame 130 with a bracket and the like positioned below the photovoltaic assembly, and further fixing the photovoltaic device on a building surface such as a roof. With continued reference to fig. 7, the pressing block assembly 150 may further include a mounting screw 153 connected to the pressing block 151, and the mounting screw 153 passes through the pressing block 151 to be connected to a bracket or other component below the photovoltaic device to fix the photovoltaic device.

The pressing block assembly 150 in this embodiment fixes the frame structures on two adjacent photovoltaic panels on corresponding structural members through the first limiting groove 124 and the second limiting groove 134 on the frame structures, and the position of the pressing block assembly is below the waterproof cover plate 141, the waterproof cover plate 141 is directly clamped with the first inner protruding block 126 on the upper portion of the frame structure and the first limiting protrusion 128 and the second limiting protrusion 138 on the inner side of the second inner protruding block 136, so that the construction is more convenient, and since the pressing block assembly 150 is below the waterproof cover plate 141, external rainwater is difficult to enter through effective covering of the waterproof cover plate 141, compared with a scheme of a water guide groove type, the expected effect of 'active waterproof' can be achieved.

Example 3

Referring to fig. 10, the waterproof cover plate 141 on the adjacent photovoltaic panels 110 (e.g. the first photovoltaic panel 111 and the second photovoltaic panel 112) in the photovoltaic device of example 2 may be a full-length cover plate, i.e. the photovoltaic panel may comprise several first and second

photovoltaic panels

111, 112, the length of the waterproof cover plate 141 may be a multiple, e.g. two, three, etc. of the length of the first or second

photovoltaic panel

111, 112, of course, it may be doubled, when the photovoltaic panel further comprises a third photovoltaic panel 113 adjacent to the first photovoltaic panel 111 and a fourth photovoltaic panel 114 adjacent to the second photovoltaic panel 112, a plurality of waterproof cover plates 141 are required to cover the photovoltaic panel 110, a gap may exist between two adjacent waterproof cover plates 141 (a first waterproof cover plate 142 and a second waterproof cover plate 143), when used in building integrated photovoltaic products (e.g., photovoltaic roofing), excessive rain can still escape from the gap.

Referring to fig. 1 and 11, a photovoltaic panel 110 of the photovoltaic device of the present embodiment includes a first photovoltaic panel 111, a second photovoltaic panel 112, a third photovoltaic panel 113 adjacent to the first photovoltaic panel 111, and a fourth photovoltaic panel 114 adjacent to the second photovoltaic panel 112; the sealing member 140 includes a first sealing member assembled on the second frame 130 of the first photovoltaic panel 111 and the first frame 120 of the second photovoltaic panel 112, and a second sealing member sealingly assembled on the second frame 130 of the third photovoltaic panel 113 and the first frame 120 of the fourth photovoltaic panel 114. The first sealing assembly comprises a first waterproof cover plate 142 assembled on the first frame 120 of the second photovoltaic panel 112 and the second frame 130 of the first photovoltaic panel 111, and the second sealing assembly comprises a second waterproof cover plate 143 assembled on the first frame 120 of the fourth photovoltaic panel 114 and the second frame 130 of the third photovoltaic panel 113; and a cover plate connector 160, taking the length of the waterproof cover plate 141 as one time of the photovoltaic plate 110 as an example, the cover plate connector 160 is used to connect a first waterproof cover plate 142 on the borders of the first photovoltaic plate 111 and the second photovoltaic plate 112, and a second waterproof cover plate 143 on the borders of the third photovoltaic plate 113 and the fourth photovoltaic plate 114, and the cover plate connector 160 can cover the gap between the first waterproof cover plate 142 and the second waterproof cover plate 143, wherein two ends of the first waterproof cover plate 142 are respectively supported on the first inner bump 126 of the second photovoltaic plate 112 and the second inner bump 136 of the first photovoltaic plate 111; two ends of the second waterproof cover plate 143 are respectively supported on the first inner bump 126 of the fourth photovoltaic panel 114 and the second inner bump 136 of the third photovoltaic panel 113; the two sides of the first waterproof cover 142 and the second waterproof cover 143 are respectively provided with a first clamping member 144 connected with the first limiting protrusion 128 on the first inner protrusion 126 and the second limiting protrusion 138 on the second inner protrusion 136. The both sides of apron connecting piece 160 are equipped with second joint spare 161 respectively, second joint spare 161 respectively in the surface of the first joint spare 144 of cover in first waterproof apron 142 and the waterproof apron 143 both sides of second and respectively with rather than corresponding first joint spare 144 lock joint, of course, can set up the sealed pad etc. of EPT rubber material between first joint spare 144 and the second joint spare 161, play and strengthen waterproof effect, this material not only can be waterproof, and heat-resisting, weather fastness is excellent, this makes the photovoltaic roof have good heat-resisting, weather fastness.

The solar cell panel is formed by improving the existing solar cell panel, the assembling mode of the cell, the glass and the aluminum alloy frame is not changed, the whole roof has certain tightness and attractiveness after installation, and the bearing capacity and the heat preservation performance of the whole roof can be improved by slightly adjusting the whole roof on the basis.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A frame structure comprising a first frame for mounting to a first edge of a photovoltaic panel, and a second frame for mounting to a second edge of the photovoltaic panel opposite the first edge;

2. The frame structure according to claim 1, wherein the first position-limiting portion includes a first inner protrusion and a first outer protrusion that are opposite to each other, the first inner protrusion is higher than the first outer protrusion, a gap between the first inner protrusion and the first outer protrusion forms the first position-limiting groove, and the first inner protrusion is located between the first outer protrusion and the first opening;

3. The frame structure according to claim 2, wherein a first limiting protrusion is disposed on a side wall of the first inner protrusion departing from the first outer protrusion;

4. The frame structure according to claim 3, wherein the first limiting protrusion is formed by extending downward from an edge of a top end of the first inner protrusion, and the second limiting protrusion is formed by extending downward from an edge of a top end of the second inner protrusion.

5. A frame structure according to any of claims 1 to 4, wherein the first frame body is provided with a first built-in cavity for accommodating a junction box;

6. A frame structure according to claim 5, wherein a portion of the first built-in cavity is located above the first opening and a portion of the second built-in cavity is located above the second opening.

7. A photovoltaic device, comprising:

the edge frame structure of claim 1, wherein a first edge frame of said edge frame structure is assembled to said first edge, and a second edge frame of said edge frame structure is assembled to said second edge;

8. The photovoltaic device according to claim 7, wherein the first position-limiting portion comprises a first inner bump and a first outer bump which are oppositely arranged, the first inner bump is higher than the first outer bump, and a gap between the first inner bump and the first outer bump forms a first position-limiting groove;

the second limiting part comprises a second inner convex block and a second outer convex block which are oppositely arranged, the second inner convex block is higher than the second outer convex block, a second limiting groove is formed by the second inner convex block and the second outer convex block, and two ends of the waterproof cover plate are respectively supported on the first inner convex block of one photovoltaic plate and the second inner convex block of the other photovoltaic plate in two adjacent photovoltaic plates.

9. The photovoltaic device according to claim 8, wherein a first limiting protrusion is arranged on a side wall of the first inner protrusion block, which is away from the first outer protrusion block; a second limiting bulge is arranged on the side wall of the second inner convex block, which deviates from the second outer convex block;

the both sides of waterproof apron are equipped with respectively with adjacent two on one of the photovoltaic board first spacing arch and on another photovoltaic board the first joint spare of the spacing protruding joint of second.

10. The photovoltaic device according to claim 9, wherein the two first fasteners on two sides of the waterproof cover plate respectively cover the surface of the first limiting protrusion and the surface of the second limiting protrusion.

11. The pv device according to claim 8 further comprising a plurality of pressing blocks assembled on the first and second retainers of one of the two adjacent pv panels and under the waterproof cover plate, wherein the pressing blocks comprise pressing blocks, opposite sides of the pressing blocks are supported on the first and second inner protrusions and provided with downward protruding pressing portions, one of the pressing portions is pressed in the first retaining groove of one of the two adjacent pv panels, and the other pressing portion is pressed in the second retaining groove of the other pv panel.

12. The photovoltaic device according to claim 11, wherein a sum of heights of the first inner bump and the compact is equal to or less than a height of the first outer bump;

13. The photovoltaic device according to claim 9, wherein the photovoltaic panel comprises: a first photovoltaic panel, a second photovoltaic panel, a third photovoltaic panel adjacent to the first photovoltaic panel, and a fourth photovoltaic panel adjacent to the second photovoltaic panel;

14. The photovoltaic device according to claim 13, wherein the cover plate connecting member is provided at both sides thereof with second engaging members, and the second engaging members are respectively covered on the surfaces of the first engaging members at both sides of the first waterproof cover plate and the second waterproof cover plate and respectively engaged with the corresponding first engaging members.