Framing system to facilitate solar photovoltaic panel installation

Abstract

The present invention discloses a frame system that is convenient for installing solar photovoltaic panels, comprising a steel profile whose length matches the perimeter of the edge of the photovoltaic panel, wherein the steel profile is subjected to material removal processing at positions corresponding to each corner of the photovoltaic panel on one side to form a corner joint, and the steel profile remains an unbroken long strip profile, the steel profile is arranged along the edge of the photovoltaic panel, and each corner joint is joined at the corresponding corner of the photovoltaic panel so that the steel profiles at both ends of each corner joint are clamped to the corresponding edge of the photovoltaic panel after changing direction, and the steel profiles are connected end to end to be fixed at the connection; the photovoltaic panel can be directly wrapped by the steel profile, and the assembly is convenient. In the process of assembling the steel profile into the steel frame, there is no need to install the photovoltaic panel one by one around the edge, which reduces the assembly time and does not require welding. By setting it as an unbroken long strip profile, the steel profile can be prevented from being broken when changing direction.

Description

Technical Field

[0001] The present invention relates mainly to solar photovoltaic power generation technology, and in particular to a frame system for facilitating the installation of solar photovoltaic panels. Background Art

[0002] Solar energy is generated by the continuous nuclear fusion reactions within or on the surface of the sunspots. Solar energy boasts abundant resources, longevity, widespread distribution, safety, cleanliness, and reliable technology. Because solar energy can be converted into a variety of other forms of energy, it has a wide range of applications. To generate electricity from solar energy, solar cells perform photoelectric conversion.

[0003] When installing existing solar photovoltaic panels, the panels are usually first installed in an aluminum frame, and then the aluminum frame is connected to the base with bolts. The aluminum frame is very expensive to form and is easily deformed. The photovoltaic panels are also heavy. After long-term use, the photovoltaic panels will fall off under the influence of wind and rain.

[0004] To address the stability issues of aluminum frames, existing technologies have proposed replacing them with steel frames. These steel frames consist of four steel frames. To assemble these steel frames, the edges of the photovoltaic panels are first inserted into the slots of the steel frames, and then the joints of the steel frames are welded together. Finally, the steel frames are connected to the base. This makes the entire photovoltaic panel installation cumbersome and complex. Therefore, reducing the installation cost of photovoltaic panels through structural improvements is a pressing technical issue in this field. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a frame system which is stable and reliable in structure and low in cost and is convenient for installing solar photovoltaic panels.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A frame system for facilitating the installation of solar photovoltaic panels includes a steel profile having a length matching the perimeter of the photovoltaic panel edge. The steel profile is subjected to material removal processing on one side at positions corresponding to the corners of the photovoltaic panel to form corner joints, and the steel profile remains an unbroken long strip profile. The steel profile is arranged along the edge of the photovoltaic panel, and each corner joint is joined at the corresponding corner of the photovoltaic panel so that the steel profiles at both ends of each corner joint are changed in direction and clamped to the corresponding edge of the photovoltaic panel, and the steel profiles are fixed at the joint after being connected end to end.

[0008] As a further improvement of the above technical features:

[0009] The point where the steel profiles are joined at both ends corresponds exactly to a corner of the photovoltaic panel.

[0010] After the material is removed from the head and tail ends of the steel profile, a complete inclined surface is formed, and the two inclined surfaces at the head and tail ends are tightly attached to form a fixed connection.

[0011] The two outer sides and the two inner sides of the first and tail ends of the steel profile are both at right angles.

[0012] Of the two complete inclined surfaces at the head and tail ends, one inclined surface is provided with a card slot, and the other inclined surface is provided with a card platform, and the card platform and the card slot are engaged with each other.

[0013] The corner joint is a triangular joint, and the two inclined surfaces of the triangular joint form a right angle. The steel profile is a complete structure that is not separated on the other side of the corner joint.

[0014] The steel profile is configured as a closed profile formed by bending a steel plate and butt-welding both ends of the steel plate flush.

[0015] The steel profile is formed with a clamping groove for clamping the photovoltaic panel, the top groove edge of the clamping groove is bent upward to form a top horizontal edge, the top horizontal edge is bent downward to form a side vertical edge, the side vertical edge is bent laterally to form a bottom horizontal edge connected to the bottom groove edge of the clamping groove, and another side vertical edge is bent between the bottom groove edge and the top groove edge of the clamping groove.

[0016] The top horizontal edge, the bottom horizontal edge and the two side vertical edges enclose a closed cavity.

[0017] The top groove edge of the clamping groove is in close contact with the top transverse edge above it, and the bottom groove edge of the clamping groove is in close contact with the bottom transverse edge below it.

[0018] After removing material from the head and tail ends of the steel profile, a sloped surface and a straight surface are formed. The two sloped surfaces at the head and tail ends are closely attached to form a fixed connection, and the two straight surfaces at the head and tail ends are at right angles to each other.

[0019] The two inner side edges of the first and tail ends of the steel profile form a right angle.

[0020] The corner joint is a triangular joint, and the two inclined surfaces of the triangular joint are at right angles. The steel profile is provided with a slit at the top corner of the triangular joint, and an unbroken continuous profile structure is formed between the slit and the top corner of the triangular joint.

[0021] Of the two inclined surfaces at the head and tail ends, one inclined surface is provided with a card slot, and the other inclined surface is provided with a card platform, and the card platform and the card slot are engaged with each other.

[0022] The steel profile is configured to be an open profile formed by bending a steel plate and forming unconnected ends.

[0023] A clamping groove for clamping a photovoltaic panel is formed on the steel profile, a top groove edge of the clamping groove is bent upward to form a broken edge, and a bottom groove edge of the clamping groove is bent downward to form another broken edge.

[0024] The top groove edge and the bottom groove edge of the clamping groove are respectively in close contact with the corresponding fracture edges.

[0025] The top fracture edge is bent downwards to form a buckle edge, and the bottom fracture edge is bent upwards to form a buckle edge, and an open cavity is formed between the two fracture edges and the buckle edges.

[0026] The end-to-end connection of the steel profile corresponds to an edge of the photovoltaic panel.

[0027] The head and tail ends of the steel profile are arranged as a complete straight surface, and the two straight surfaces at the head and tail ends are tightly attached to form a fixed connection.

[0028] Of the two complete straight surfaces at the head and tail ends, one straight surface is provided with a card slot, and the other straight surface is provided with a card platform, and the card platform and the card slot are matched and connected.

[0029] The two inner sides of each corner of the steel profile frame are at a right angle, and the two outer sides of each corner of the steel profile frame are at an arc angle.

[0030] The end face of the steel profile on one side of the corner joint is a straight face, and the end face of the steel profile on the other side is a curved face. The steel profile on the other side of the corner joint is a complete structure that is not separated.

[0031] The steel profile is configured as an open profile formed by bending a steel plate and forming unconnected open ends. A clamping groove for clamping a photovoltaic panel is formed between the two broken edges of the steel profile.

[0032] The two inner sides of each corner of the steel profile frame are at right angles to each other, and the two outer sides of each corner of the steel profile frame are at right angles to each other.

[0033] The corner joint is a triangular joint, and the two inclined surfaces of the triangular joint are at right angles. The steel profile is provided with a slit at the top corner of the triangular joint, and an unbroken continuous profile structure is formed between the slit and the top corner of the triangular joint.

[0034] The steel profile is configured to be an open profile formed by bending a steel plate and forming unconnected ends.

[0035] The steel profile is formed with a clamping groove for clamping the photovoltaic panel, the bottom groove edge of the clamping groove is bent downward to form a bottom horizontal edge, the bottom horizontal edge is bent upward to form a broken edge, the bottom groove edge is bent upward to form a side vertical edge, the side vertical edge is bent laterally to form a top horizontal edge, and the top horizontal edge is bent downward to form another broken edge that constitutes the top groove edge of the clamping groove.

[0036] The bottom groove edge of the clamping groove is in close contact with the bottom horizontal edge below it, and the top horizontal edge is in close contact with the fracture edge below it.

[0037] A frame system for facilitating the installation of solar photovoltaic panels comprises two steel profiles whose total length matches the perimeter of the photovoltaic panel edge. The two steel profiles are subjected to material removal processing at positions corresponding to the corners of the photovoltaic panel on one side to form a corner joint, and the steel profile remains an unbroken long strip profile. The two steel profiles are arranged along the edge of the photovoltaic panel, and the corner joints are joined at the corresponding corners of the photovoltaic panel so that the steel profiles at both ends of the corner joint are changed in direction and then clamped to the corresponding edge of the photovoltaic panel. The two steel profiles are fixed at the joint after being connected.

[0038] As a further improvement of the above technical features:

[0039] The joints of the two steel profiles correspond to the two edges of the photovoltaic panel.

[0040] The connecting ends of the two steel sections form a complete straight surface, and the straight surfaces of the connecting ends of the two steel sections are tightly attached to form a fixed connection.

[0041] It also includes a connector, through which the connecting ends of the two steel sections are connected.

[0042] The plug-in connector is provided with a latching tooth, and the steel profile is provided with a latching hole, and the latching tooth is engaged with the latching hole.

[0043] The corner joint of the two steel profiles is a triangular joint, and the two inclined surfaces of the triangular joint form a right angle. The steel profile is a complete structure that is not separated on the other side of the corner joint.

[0044] The two steel profiles are both configured as closed profiles formed by bending a steel plate and butt-welding the two ends flush.

[0045] The two steel profiles are formed with clamping grooves for clamping photovoltaic panels. The top groove edge of the clamping groove is bent upward to form a top horizontal edge, the top horizontal edge is bent downward to form a side vertical edge, the side vertical edge is bent laterally to form a bottom horizontal edge connected to the bottom groove edge of the clamping groove, and another side vertical edge is bent between the bottom groove edge and the top groove edge of the clamping groove.

[0046] A closed cavity is formed between the top horizontal edge, the bottom horizontal edge and the two side vertical edges of each steel profile.

[0047] The top groove edge of the clamping groove of each steel profile is in close contact with the top horizontal edge above it, and the bottom groove edge of the clamping groove is in close contact with the bottom horizontal edge below it.

[0048] Sealant is provided between the photovoltaic panel and the steel profile.

[0049] Compared with the prior art, the advantages of the present invention are:

[0050] According to the size of the photovoltaic panel, the steel profile is cut to form a corner joint, and then the processed steel profile is surrounded in the circumferential direction of the photovoltaic panel, and the head and tail ends of the steel profile are fixedly connected together to obtain a complete photovoltaic panel unit; with this arrangement, the photovoltaic panel can be directly wrapped by the steel profile, which is convenient for assembly. In the process of assembling the steel profile into a steel frame, there is no need to install it side by side around the photovoltaic panel, which greatly reduces the assembly time and does not require welding. By setting it as a continuous long strip profile, the steel profile can be prevented from breaking when changing direction.

[0051] According to the size of the photovoltaic panel, two corresponding steel profiles are cut out, the two steel profiles are turned at the corner joint, and the photovoltaic panel is clamped on the steel profiles. Then the two steel profiles are assembled together to form a photovoltaic panel unit. With this arrangement, the photovoltaic panel can be directly wrapped by the two steel profiles, which is convenient for assembly. In the process of assembling the steel profiles into a steel frame, there is no need to install them one by one around the photovoltaic panel, which greatly reduces the assembly time and eliminates the need for welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 This is a schematic diagram of steel profile cutting in Example 1 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0053] Figure 2 1 is a top view of embodiment 1 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention (the first step of installation).

[0054] Figure 3 1 is a top view of embodiment 1 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention (second step of installation).

[0055] Figure 4 1 is a top view of embodiment 1 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention (third step of installation).

[0056] Figure 5 yes Figure 4 A partial enlarged view of point A in the middle.

[0057] Figure 6 yes Figure 4 Cross-sectional view in .

[0058] Figure 7 This is a schematic diagram of the steel profile structure of Example 1 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0059] Figure 8 This is a schematic diagram of steel profile cutting in Example 2 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0060] Figure 9 It is a top view of embodiment 2 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (the first step of installation).

[0061] Figure 10 1. It is a top view of embodiment 2 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (second installation step).

[0062] Figure 11 1. It is a top view of embodiment 2 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention (third step of installation).

[0063] Figure 12 yes Figure 11 Cross-sectional view in .

[0064] Figure 13 This is a schematic diagram of the steel profile structure of Example 2 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0065] Figure 14 This is a schematic diagram of the steel frame cutting of Example 3 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0066] Figure 15 1. It is a top view of embodiment 3 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (the first step of installation).

[0067] Figure 16 1. It is a top view of embodiment 3 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention (second step of installation).

[0068] Figure 17 yes Figure 16 A partial enlarged view of point B in the middle.

[0069] Figure 18 yes Figure 16 Cross-sectional view in .

[0070] Figure 19 This is a schematic diagram of the steel profile structure of Example 3 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0071] Figure 20 This is a schematic diagram of the steel frame cutting of Example 4 of the frame system for facilitating the installation of solar photovoltaic panels of the present invention.

[0072] Figure 21 It is a top view of embodiment 4 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (the first step of installation).

[0073] Figure 22 It is a top view of embodiment 4 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (second step of installation).

[0074] Figure 23 It is a top view of embodiment 4 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (third step of installation).

[0075] Figure 24 yes Figure 23 A partial enlarged view of point C in the middle.

[0076] Figure 25 yes Figure 23 Cross-sectional view in .

[0077] Figure 26 This is a schematic diagram of the steel profile structure of Example 4 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0078] Figure 27 This is a schematic diagram of steel profile cutting in Example 5 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0079] Figure 28 It is a top view of embodiment 5 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (the first step of installation).

[0080] Figure 29 It is a top view of embodiment 5 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (second installation step).

[0081] Figure 30 It is a top view of embodiment 5 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (third step of installation).

[0082] Figure 31 yes Figure 30 A partial enlarged view of point D in the middle.

[0083] Figure 32 It is a top view of embodiment 5 of the frame system of the present invention for facilitating the installation of solar photovoltaic panels (fourth installation step).

[0084] Figure 33 yes Figure 32 Cross-sectional view in .

[0085] Figure 34 It is a schematic diagram of the connector structure of embodiment 5 of the frame system for facilitating the installation of solar photovoltaic panels according to the present invention.

[0086] The numbers in the figure represent:

[0087] 1. Steel profile; 11. Corner joint; 12. Card slot; 13. Card platform; 14. Clamping groove; 15. Closed cavity; 16. Slit; 17. Open cavity; 18. Card hole; 3. Photovoltaic panel; 4. Connector; 41. Card teeth; 5. Sealant. DETAILED DESCRIPTION

[0088] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0089] Example 1:

[0090] Figures 1 to 7 The present invention shows a first embodiment of a frame system for facilitating the installation of solar photovoltaic panels, comprising a steel profile 1 having a length matching the perimeter of the edge of the photovoltaic panel 3. The steel profile 1 is subjected to material removal processing on one side at positions corresponding to the corners of the photovoltaic panel 3 to form corner joints 11, and the steel profile 1 remains an unbroken long strip profile. The steel profile 1 is arranged along the edge of the photovoltaic panel 3, and the corner joints 11 are joined at the corresponding corners of the photovoltaic panel 3 so that the steel profiles 1 at both ends of each corner joint 11 change direction and are clamped to the corresponding edges of the photovoltaic panel 3, and the steel profiles 1 are fixed at the joints after being connected end to end. First, the steel profile 1 is cut according to the size of the photovoltaic panel 3 to form a corner joint 11, and then the processed steel profile 1 is surrounded in the circumferential direction of the photovoltaic panel 3, and the head and tail ends of the steel profile 1 are fixedly connected together to obtain a complete photovoltaic panel unit; in this way, the photovoltaic panel 3 can be directly wrapped by the steel profile 1, and the assembly is convenient. In the process of assembling the steel profile 1 into a steel frame, there is no need to install it side by side around the photovoltaic panel 3, which greatly reduces the assembly time and does not require welding. By setting it as a continuous long strip profile, the steel profile 1 can be prevented from breaking when changing direction.

[0091] As a further improvement of the above technical solution:

[0092] In this embodiment, the end-to-end connection of the steel profile 1 corresponds exactly to a corner of the photovoltaic panel 3. In this way, the steel profile 1 can be connected at a corner on the photovoltaic panel 3.

[0093] In this embodiment, the steel profile 1 is formed into a complete bevel after the material is removed from the head and tail ends, and the two bevels at the head and tail ends are tightly attached to form a fixed connection. This arrangement facilitates the connection of the head and tail ends of the steel profile 1 to form a steel frame.

[0094] In this embodiment, the outer edges and inner edges of the steel profile 1 at both ends are at right angles to each other, so that the two locked edges at both ends are perpendicular to each other, so that the two edges are completely in contact with the photovoltaic panel.

[0095] In this embodiment, one of the two complete inclined surfaces at the front and rear ends is provided with a slot 12 and the other with a platform 13, which engages with the slot 12. This arrangement allows the front and rear edges to be connected by the slot 12 and the platform 13, preventing them from becoming loose.

[0096] In this embodiment, the corner opening 11 is a triangular opening, with the two inclined surfaces of the triangular opening forming a right angle, and the steel profile 1 is a complete, unbroken structure on the other side of the corner opening 11. This configuration, wherein the corner opening 11 is configured as an isosceles right triangle in cross-section, allows the two sides of the triangular opening to completely fit together at the apex of the photovoltaic panel 3 when the corner opening is reoriented to wrap around the perimeter of the photovoltaic panel 3, and also allows the two sides of the triangular opening to become perpendicular to each other after the reorientation.

[0097] In this embodiment, the steel profile 1 is configured as a closed profile formed by bending a steel plate and butt-welding both ends of the steel plate flush with each other. This configuration can improve the strength of the steel profile and prevent deformation.

[0098] In this embodiment, a clamping groove 14 for clamping the photovoltaic panel 3 is formed on the steel profile 1. The top groove edge of the clamping groove 14 is bent upward to form a top horizontal edge, the top horizontal edge is bent downward to form a side vertical edge, the side vertical edge is bent laterally to form a bottom horizontal edge connected to the bottom groove edge of the clamping groove 14, and another side vertical edge is bent between the bottom groove edge and the top groove edge of the clamping groove 14. In this arrangement, the top groove edge, the side vertical edge, and the bottom groove edge cooperate to form the clamping groove 14, and the photovoltaic panel 3 can be clamped to the steel profile 1.

[0099] In this embodiment, the top horizontal edge, the bottom horizontal edge and the two side vertical edges enclose a closed cavity 15. In this way, the top horizontal edge, the bottom horizontal edge and the two side vertical edges can close the steel profile 1, thereby improving the strength of the steel profile 1.

[0100] In this embodiment, the top groove edge of the clamping groove 14 is in close contact with the top horizontal edge above it, and the bottom groove edge of the clamping groove 14 is in close contact with the bottom horizontal edge below it. Such an arrangement can form a double-layer edge structure, which can improve the strength of each edge.

[0101] In this embodiment, a sealant 5 is provided between the photovoltaic panel 3 and the steel profile 1. This arrangement can bond the photovoltaic panel 3 to the steel profile 1 and prevent the photovoltaic panel 3 from falling off the steel profile 1.

[0102] Example 2:

[0103] Figures 8 to 13 A second embodiment of the present invention, a frame system for facilitating the installation of solar photovoltaic panels, is shown. This embodiment is essentially the same as the first embodiment, differing only in that, in this embodiment, the steel profile 1 is stripped of material at its ends to form an inclined surface and a straight surface. The two inclined surfaces at the leading and trailing ends are then affixed together, forming a right angle with each other. This arrangement reduces the amount of material removed to wrap the photovoltaic panel 3, compared to a configuration where both ends have complete inclined surfaces.

[0104] In this embodiment, the inner sides of the steel profile 1 at the head and tail ends are at right angles to each other, so that the two locked sides at the head and tail ends are perpendicular to each other, so that the two sides are completely in contact with the photovoltaic panel.

[0105] In this embodiment, the corner joint 11 is a triangular opening, and the two inclined surfaces of the triangular opening form a right angle. The steel profile 1 is provided with a slit 16 at the top corner of the triangular opening, and the slit 16 and the top corner of the triangular opening form a continuous profile structure. In this way, the corner joint 11 is provided with a triangular opening with a cross-section of an isosceles right triangle, which can ensure that the two sides on both sides of the triangular opening can completely fit together at the vertex of the photovoltaic panel 3 when the direction is changed and wrapped around the periphery of the photovoltaic panel 3, and the two sides on both sides of the triangular opening are perpendicular to each other after the direction is changed. In the process of changing the direction, the angle between the straight surfaces on both sides of the slit 16 will gradually increase until the angle between the two straight surfaces is 90 degrees.

[0106] In this embodiment, one of the two inclined surfaces at the head and tail ends is provided with a slot 12, and the other is provided with a platform 13, which engages with the slot 12. This arrangement allows the two inclined surfaces at the head and tail ends to be engaged via the slot 12 and the platform 13, preventing them from loosening after being attached.

[0107] In this embodiment, the steel profile 1 is configured as an open profile formed by bending a piece of steel plate and forming unconnected open ends.

[0108] In this embodiment, a clamping groove 14 is formed on the steel profile 1 for clamping the photovoltaic panel 3. The top edge of the clamping groove 14 is bent upward to form a broken edge, and the bottom edge of the clamping groove 14 is bent downward to form another broken edge. This arrangement can form an opening outside the clamping groove 14.

[0109] In this embodiment, the top groove edge and the bottom groove edge of the clamping groove 14 are respectively in close contact with the corresponding fracture edge. Such an arrangement can form a double-layer edge structure, which can improve the strength of each edge.

[0110] In this embodiment, the top fracture edge is bent downward to form a buckle edge, and the bottom fracture edge is bent upward to form a buckle edge, and an opening cavity 17 is formed between the two fracture edges and the buckle edges. In this way, an opening can be formed on the steel profile 1 for easy shaping.

[0111] Example 3:

[0112] Figures 14 to 19 A third embodiment of the present invention, a frame system for facilitating the installation of solar photovoltaic panels, is shown. This embodiment is essentially the same as the first embodiment, differing only in that the end-to-end connection of the steel profile 1 corresponds to an edge of the photovoltaic panel 3. This arrangement allows the steel profile 1 to be connected at both ends at any edge of the photovoltaic panel 3.

[0113] In this embodiment, the front and rear ends of the steel profile 1 are configured as a complete straight surface, and the two straight surfaces of the front and rear ends are tightly attached to form a fixed connection. This configuration can make the front and rear ends completely fit together, and the appearance is beautiful.

[0114] In this embodiment, one of the two complete straight surfaces at the front and rear ends is provided with a slot 12 and the other is provided with a platform 13, and the platform 13 and the slot 12 are engaged with each other. In this arrangement, the two complete straight surfaces can be engaged with each other through the slot 12 and the platform 13, preventing the two straight surfaces from loosening after being attached together.

[0115] In this embodiment, the inner edges of the steel profile 1 at each corner are perpendicular to each other, and the outer edges of the steel profile 1 at each corner are arc-shaped. This arrangement allows the adjacent edges to be perpendicular to each other and fit closely with the photovoltaic panel 3.

[0116] In this embodiment, the end surface of the steel profile 1 on one side of the corner joint 11 is a straight surface, and the end surface of the steel profile 1 on the other side is a curved surface. The steel profile 1 on the other side of the corner joint 11 is a complete structure that is not separated. In this arrangement, by rotating the steel profile 1 with the curved surface, the steel profile 1 with the straight end surface and the steel profile 1 with the curved end surface are perpendicular to each other.

[0117] In this embodiment, the steel profile 1 is configured as an open profile formed by bending a single steel sheet with its ends unjoined. A clamping groove 14 is formed between the two broken edges of the steel profile 1 for clamping the photovoltaic panel 3. This configuration facilitates the open profile to be formed, and the photovoltaic panel 3 can be clamped to the steel profile 1 via the clamping groove 14.

[0118] Example 4:

[0119] Figures 20 to 26A fourth embodiment of the present invention, a frame system for facilitating the installation of solar photovoltaic panels, is shown. This embodiment is essentially the same as the first embodiment, differing only in that, in this embodiment, the inner edges of the steel profiles 1 at each corner of the frame are perpendicular to each other, and the outer edges of the steel profiles 1 at each corner of the frame are perpendicular to each other. This arrangement allows the steel profiles 1 to be assembled at either end at any edge of the photovoltaic panel 3.

[0120] In this embodiment, the corner joint 11 is a triangular opening, and the two inclined surfaces of the triangular opening form a right angle. The steel profile 1 is provided with a slit 16 at the top corner of the triangular opening, and the slit 16 and the top corner of the triangular opening form a continuous profile structure. In this way, the corner joint 11 is provided with a triangular opening with a cross-section of an isosceles right triangle, which can ensure that the two sides on both sides of the triangular opening can completely fit together at the vertex of the photovoltaic panel 3 when the direction is changed and wrapped around the periphery of the photovoltaic panel 3, and the two sides on both sides of the triangular opening are perpendicular to each other after the direction is changed. In the process of changing the direction, the angle between the straight surfaces on both sides of the slit 16 will gradually increase until the angle between the two straight surfaces is 90 degrees.

[0121] In this embodiment, the steel profile 1 is configured as an open profile formed by bending a piece of steel plate and forming unconnected open profiles at both ends.

[0122] In this embodiment, a clamping groove 14 for clamping the photovoltaic panel 3 is formed on the steel profile 1. The bottom groove edge of the clamping groove 14 is bent downward to form a bottom horizontal edge, the bottom horizontal edge is bent upward to form a broken edge, the bottom groove edge is bent upward to form a side vertical edge, the side vertical edge is bent laterally to form a top horizontal edge, and the top horizontal edge is bent downward to form another broken edge that constitutes the top groove edge of the clamping groove 14. In this manner, the photovoltaic panel 3 can be clamped to the steel profile 1 via the clamping groove 14.

[0123] In this embodiment, the bottom groove edge of the clamping groove 14 is in close contact with the bottom horizontal edge below it, and the top horizontal edge is in close contact with the fracture edge below it. Such an arrangement can form a double-layer edge structure, which can increase the strength of each edge.

[0124] Example 5:

[0125] Figures 27 to 34The fifth embodiment of the present invention is shown as a frame system for facilitating the installation of solar photovoltaic panels, including two steel profiles 1 whose total length matches the circumference of the edge of the photovoltaic panel 3. The two steel profiles 1 are dematerialized at positions corresponding to the corners of the photovoltaic panel 3 on one side to form a corner joint 11, and the steel profile 1 remains an unbroken long strip profile. The two steel profiles 1 are arranged along the edge of the photovoltaic panel 3, and the corner joints 11 are joined at the corresponding corners of the photovoltaic panel 3 so that the steel profiles 1 at both ends of each corner joint 11 change direction and are clamped on the corresponding edge of the photovoltaic panel 3, and the two steel profiles 1 are fixed at the joint after being connected. First, according to the size of the photovoltaic panel 3, two corresponding steel profiles 1 are cut out, the two steel profiles 1 are turned at the corner joint 11, and the photovoltaic panel 3 is clamped on the steel profile 1. Then the two steel profiles 1 are assembled together to form a photovoltaic panel unit. With this arrangement, the photovoltaic panel 3 can be directly wrapped by the two steel profiles 1, which makes assembly convenient. In the process of assembling the steel profile 1 into a steel frame, there is no need to install it side by side around the photovoltaic panel 3, which greatly reduces the assembly time. There is no need for welding, and by setting it as a continuous long strip profile, the steel profile 1 can be prevented from breaking when changing direction.

[0126] As a further improvement of the above technical solution:

[0127] In this embodiment, the joints of the two steel profiles 1 correspond to the two edges of the photovoltaic panel 3. In this way, the two steel profiles 1 can be assembled into a steel frame at the two edges of the photovoltaic panel 3.

[0128] In this embodiment, the connecting ends of the two steel profiles 1 are a complete straight surface, and the straight surfaces of the connecting ends of the two steel profiles 1 are tightly attached to form a fixed connection. In this way, the connecting ends of the two steel profiles 1 can be completely attached together.

[0129] In this embodiment, a connector 4 is further included, and the connecting ends of the two steel profiles 1 are connected via the connector 4. In this way, the two steel profiles 1 can be fixed together at the connection, and the two steel profiles 1 can be loosened after being attached together.

[0130] In this embodiment, the connector 4 is provided with a latching tooth 41, and the steel profile 1 is provided with a latching hole 18. The latching tooth 41 engages with the latching hole 18. In this arrangement, the steel profile 1 and the connector 4 are latched together by the latching tooth 41 and the latching hole 18, which can prevent the connector 4 from falling off the steel profile 1.

[0131] In this embodiment, the corner joint 11 of the two steel profiles 1 is a triangular joint, with the two inclined surfaces of the triangular joint forming a right angle, and the steel profile 1 is a complete, unbroken structure on the other side of the corner joint 11. This configuration, in which the corner joint 11 is configured as an isosceles right triangle in cross-section, allows the two sides of the triangular joint to completely fit together at the apex of the photovoltaic panel 3 when the corner joint is reoriented to wrap around the perimeter of the photovoltaic panel 3, and also allows the two sides of the triangular joint to become perpendicular to each other after the reorientation.

[0132] In this embodiment, the two steel profiles 1 are both configured as closed profiles formed by bending a steel plate and butt-welding the two ends flush, thereby increasing the strength of the steel profiles and preventing them from deforming.

[0133] In this embodiment, two steel profiles 1 are formed with clamping grooves 14 for clamping photovoltaic panels 3. The top groove edge of the clamping groove 14 is bent upward to form a top horizontal edge, the top horizontal edge is bent downward to form a side vertical edge, the side vertical edge is bent laterally to form a bottom horizontal edge connected to the bottom groove edge of the clamping groove 14, and another side vertical edge is bent between the bottom groove edge and the top groove edge of the clamping groove 14. In this arrangement, the top groove edge, the side vertical edge, and the bottom groove edge can be combined to form the clamping groove 14, and the photovoltaic panel 3 can be clamped to the steel profile 1.

[0134] In this embodiment, the top horizontal edge, the bottom horizontal edge, and the two side vertical edges of each steel profile 1 enclose a closed cavity 15. This arrangement allows the steel profile 1 to be closed by the top horizontal edge, the bottom horizontal edge, and the two side vertical edges, thereby increasing the strength of the steel profile 1.

[0135] In this embodiment, the top groove edge of the clamping groove 14 of each steel profile 1 is in close contact with the top horizontal edge above it, and the bottom groove edge of the clamping groove 14 is in close contact with the bottom horizontal edge below it. This arrangement can form a double-layer edge structure, which can improve the strength of each edge.

[0136] In this embodiment, a sealant 5 is provided between the photovoltaic panel 3 and the steel profile 1. This arrangement can bond the photovoltaic panel 3 to the steel profile 1 and prevent the photovoltaic panel 3 from falling off the steel profile 1.

[0137] Although the present invention has been disclosed above with reference to preferred embodiments, this is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, utilize the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes. Therefore, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the scope of protection of the technical solution of the present invention.

Claims

1. A frame system for facilitating the installation of solar photovoltaic panels, characterized by: The invention comprises a steel profile (1) having a length matching the perimeter of the edge of the photovoltaic panel (3), wherein the steel profile (1) is subjected to material removal processing at positions corresponding to the corners of the photovoltaic panel (3) on one side to form a corner joint (11), and the steel profile (1) is still an unbroken long strip profile, and the steel profile (1) is arranged along the edge of the photovoltaic panel (3), and each corner joint (11) is combined at each corresponding corner of the photovoltaic panel (3) so that the steel profiles (1) at both ends of each corner joint (11) change direction and clamp the corresponding edge of the photovoltaic panel (3), and the steel profile (1) is connected at both ends. After being connected, they are fixed at the connection point. The connection point of the steel profile (1) corresponds to an edge of the photovoltaic panel (3). The head and tail ends of the steel profile (1) are set as a complete straight surface. The two straight surfaces of the head and tail ends are tightly attached to form a fixed connection. Among the two complete straight surfaces of the head and tail ends, one of the straight surfaces is provided with a card slot (12) and the other straight surface is provided with a card platform (13). The card platform (13) and the card slot (12) are matched and connected. The steel profile (1) is bent with a top horizontal edge, a bottom horizontal edge and a side vertical edge. The top horizontal edge, the bottom horizontal edge and the two side vertical edges are enclosed to form a closed cavity (15).

2. The frame system for facilitating installation of solar photovoltaic panels according to claim 1, characterized in that: After the steel profile (1) is framed, the two inner sides at each corner thereof form a right angle, and after the steel profile (1) is framed, the two outer sides at each corner thereof form an arc angle.

3. The frame system for facilitating installation of solar photovoltaic panels according to claim 2, characterized in that: The end face of the steel profile (1) on one side of the corner joint (11) is a straight face, and the end face of the steel profile (1) on the other side is an arc face. The steel profile (1) on the other side of the corner joint (11) is a complete structure that is not separated.

4. The frame system for facilitating installation of solar photovoltaic panels according to claim 3, characterized in that: The steel profile (1) is configured as an open profile formed by bending a steel plate and forming unconnected open profiles at both ends, and a clamping groove (14) for clamping the photovoltaic panel (3) is formed between two fracture edges of the steel profile (1).

5. The frame system for facilitating installation of solar photovoltaic panels according to claim 1, characterized in that: After the steel profile (1) is framed, the two inner sides at each corner thereof form a right angle, and after the steel profile (1) is framed, the two outer sides at each corner thereof form a right angle.

6. The frame system for facilitating installation of solar photovoltaic panels according to claim 5, characterized in that: The corner joint (11) is a triangular opening, and the two inclined surfaces of the triangular opening form a right angle. The steel profile (1) is provided with a slit (16) at the top corner of the triangular opening, and a continuous profile structure is formed between the slit (16) and the top corner of the triangular opening.

7. The frame system for facilitating installation of solar photovoltaic panels according to claim 6, characterized in that: The steel profile (1) is configured as an open profile formed by bending a steel plate and forming unconnected open ends.

8. The frame system for facilitating installation of solar photovoltaic panels according to claim 7, characterized in that: The steel profile (1) is formed with a clamping groove (14) for clamping a photovoltaic panel (3), the bottom groove edge of the clamping groove (14) is bent downward to form a bottom horizontal edge, the bottom horizontal edge is bent upward to form a fracture edge, the bottom groove edge is bent upward to form a side vertical edge, the side vertical edge is bent laterally to form a top horizontal edge, and the top horizontal edge is bent downward to form another fracture edge constituting the top groove edge of the clamping groove (14).

9. The frame system for facilitating installation of solar photovoltaic panels according to claim 8, characterized in that: The bottom groove edge of the clamping groove (14) is in close contact with the bottom horizontal edge below it, and the top horizontal edge is in close contact with the fracture edge below it.

10. The frame system for facilitating installation of solar photovoltaic panels according to any one of claims 1 to 9, characterized in that: A sealant (5) is provided between the photovoltaic panel (3) and the steel profile (1).

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