A frame connection structure for a photovoltaic module

Abstract

The utility model relates to the technical field of photovoltaic modules, in particular to a frame connecting structure of a photovoltaic module, which comprises a connecting piece, the connecting piece is installed at the bottom of a photovoltaic module frame, an elastic metal gusset plate is rotatably connected below the connecting piece, the elastic metal gusset plate is in a U-shaped plate structure, hoop plates are fixedly arranged at the bottoms of two parallel side plates of the elastic metal gusset plate, and the two hoop plates are connected through bolts; beneficial effects: the elastic metal gusset plate is in a U-shaped plate structure and can be rotated and adjusted at the bottom of the connecting piece. This design enables the connecting structure to easily meet the adaptation requirements of transverse beam rods and vertical beam rods, there is no need to prepare various connecting pieces for different beam rod directions, the universality and flexibility of the connecting structure are greatly improved, the installation process is simplified, and the cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic modules, in particular to a frame connection structure for a photovoltaic module. Background Art

[0002] In a photovoltaic power generation system, photovoltaic modules need to be stably installed on a photovoltaic support to ensure that they can work normally under various environmental conditions and maintain stable performance for a long time. The traditional connection mode between a photovoltaic module frame and a photovoltaic support has some limitations: the beams and rods of the photovoltaic support have multiple arrangement modes such as transverse and vertical, and the traditional connection structure is difficult to flexibly adapt to beams and rods in different directions, resulting in a complex installation process, and it may be necessary to design a variety of connecting pieces for different beam and rod directions, which increases the cost and management difficulty. Some traditional connection methods require a large number of tools and complex operation steps, resulting in low installation efficiency, which not only consumes time and manpower, but also may affect the connection quality due to improper operation, thereby affecting the overall stability and safety of the photovoltaic module. Contents of Utility Model

[0003] The object of the present utility model is to provide a frame connection structure for a photovoltaic module to solve the problems raised in the above background art.

[0004] To achieve the above object, the present utility model provides the following technical solution: a frame connection structure for a photovoltaic module, comprising a connecting piece, the connecting piece is installed at the bottom of the photovoltaic module frame, an elastic metal gusset plate is rotationally connected below the connecting piece, the elastic metal gusset plate is in a "匚"-shaped plate structure, the bottoms of two parallel side plates of the elastic metal gusset plate are both fixedly provided with hoop plates, and the two hoop plates are connected by bolts.

[0005] Preferably, the connecting piece is an L-shaped plate structure, the side plate of the connecting piece is fixed in the inner ring opening of the photovoltaic module frame by screws, and a plurality of connecting pieces are provided.

[0006] Preferably, a reserved opening is opened on the bottom plate of the connecting piece, the reserved opening is a T-shaped round opening, a rotating handle is rotatably connected inside the reserved opening, the rotating handle is a T-shaped cylinder, and the rotating handle is installed on the top of the elastic metal gusset plate.

[0007] Preferably, a notch is opened on the bottom surface of the top plate of the elastic metal gusset plate, two through holes are opened on the top surface of the notch, a screw rod is inserted inside the through hole, the top end of the screw rod is fixed on the bottom surface of the rotating handle, and the bottom end of the screw rod is sleeved and screwed with a nut.

[0008] Preferably, a rubber sealing sheet is fixedly arranged at the notch opening of the notch, and a C-shaped groove is reserved between the edge of the rubber sealing sheet and the inner annular surface of the hoop plate.

[0009] Preferably, bolt holes are provided on the surfaces of the hoop plates, and a bolt is locked after passing through the bolt holes on the surfaces of the two hoop plates.

[0010] Compared with the prior art, the beneficial effects of the present utility model are: In the frame connecting structure of a photovoltaic module proposed by the present utility model, the elastic metal gusset plate is in a "匚"-shaped plate structure, and can be rotatably adjusted at the bottom of the connecting plate. This design enables the connecting structure to easily meet the adaptation requirements of transverse beam rods and vertical beam rods, and it is not necessary to prepare various connecting pieces for different beam rod directions, which greatly improves the generality and flexibility of the connecting structure, simplifies the installation process, and reduces the cost. After the photovoltaic module frame provided with the connecting plate is lapped on the photovoltaic support, the installation can be completed only by shifting the elastic metal gusset plate to buckle it on the beam rod, and then passing the bolt through the bolt hole on the surface of the hoop plate and screwing it down. The whole installation process has clear steps, does not require complex tools and operation skills, can significantly improve the installation efficiency, and save time and labor costs. Description of Drawings Figure 1 is a structural schematic diagram of the present utility model; Figure 2 is a side structural view of the present utility model; Figure 3 is a Figure 2 structural sectional view at A-A in Figure 4 is a Figure 3 enlarged schematic diagram of the structure at part A in Figure 5 is a Figure 4 enlarged schematic diagram of the structure at part B in Figure 6 is a schematic diagram of the connecting structure of the connecting plate and the elastic metal gusset plate of the present utility model; Figure 7 is a schematic diagram of the connecting structure of the elastic metal gusset plate and the hoop plate of the present utility model; Figure 8 is a schematic diagram of the connecting structure of the rotating handle and the screw rod of the present utility model.

[0011] In the figure: connecting plate 1, photovoltaic module frame 2, reserved opening 3, rotating handle 4, elastic metal gusset plate 5, hoop plate 6, bolt hole 7, bolt 8, notch 9, through hole 10, screw rod 11, nut 12, rubber sealing sheet 13. Detailed Description of Embodiments

[0012] In order to clearly and completely describe the objectives and technical solutions of the present utility model, and to make the advantages clearer, the embodiments of the present utility model are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all the embodiments. They are only used to explain the embodiments of the present utility model, and are not intended to limit the embodiments of the present utility model. All other embodiments obtained by a person of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0013] Please refer to Figures 1-8 , the present utility model provides a technical solution: a frame connecting structure of a photovoltaic module, comprising a connecting sheet 1, the connecting sheet 1 is installed at the bottom of a photovoltaic module frame 2, the connecting sheet 1 is in an "L"-shaped plate structure, a side plate of the connecting sheet 1 is fixed in an inner annular opening of the photovoltaic module frame 2 by screws, and a plurality of connecting sheets 1 are provided; an elastic metal buckling plate 5 is rotatably connected below the connecting sheet 1, the elastic metal buckling plate 5 is in a "匚"-shaped plate structure, hoop plates 6 are fixed at the bottoms of two side plates of the elastic metal buckling plate 5 which are distributed in parallel, bolt holes 7 are opened on the surface of the hoop plates 6, and a bolt 8 is locked after passing through the bolt holes 7 on the surfaces of the two hoop plates 6; after the connecting sheet 1 is abutted against the lower part of the photovoltaic module frame 2, the side plate of the connecting sheet 1 is penetrated by a screw and then screwed to the inner annular surface of the photovoltaic module frame 2, at this time, the connecting sheet 1 is fixed below the photovoltaic module frame 2, then the photovoltaic module frame 2 provided with the connecting sheet 1 is lapped on a photovoltaic support, and the elastic metal buckling plate 5 is toggled, so that the elastic metal buckling plate 5 is buckled on a beam rod of the photovoltaic support. Since the elastic metal buckling plate 5 can be rotated and adjusted at the bottom of the connecting sheet 1, the elastic metal buckling plate 5 can meet the adaptation of transverse beam rods and vertical beam rods. After the bolt 8 passes through two sets of hoop plates 6, the bolt 8 is screwed tightly, and the two hoop plates 6 pull the two elastic metal buckling plates 5 to tightly clamp the beam rod, so that the connecting sheet 1 and the photovoltaic module frame 2 are firmly installed on the photovoltaic support.

[0014] A pre-reserved opening 3 is provided on the bottom plate of the connecting piece 1. The pre-reserved opening 3 is a T-shaped round opening. A rotating handle 4 is rotatably connected inside the pre-reserved opening 3. The rotating handle 4 is a T-shaped cylinder. The rotating handle 4 is installed on the top of the elastic metal buckle plate 5. A notch 9 is provided on the bottom surface of the top plate of the elastic metal buckle plate 5. Two through holes 10 are provided on the top surface of the notch 9. A screw 11 is inserted into the through holes 10. The top end of the screw 11 is fixed to the bottom surface of the rotating handle 4. A nut 12 is screwed onto the bottom end of the screw 11. A rubber sealing piece 13 is fixed at the opening of the notch 9. A C-shaped groove is reserved between the edge of the rubber sealing piece 13 and the inner ring surface of the hoop plate 6. Before installing the connecting piece 1, insert the rotating handle 4 into the reserved opening 3, and pass the screw 11 at the bottom of the rotating handle 4 through the corresponding through hole 10. After lifting the rubber sealing plate 13, screw the nut 12 onto the bottom end of the screw 11 and lock it in place. Flip the rubber sealing plate 13 back to cover the notch 9. At this time, the rotating handle 4 is installed on the top plate of the elastic metal buckle 5. Moving the elastic metal buckle 5 can drive the rotating handle 4 to rotate in the reserved opening 3.

[0015] Instructions for using the photovoltaic module frame connection structure: Before installing the connecting piece 1, insert the rotating handle 4 into the pre-drilled "T"-shaped opening 3 on the bottom plate of the connecting piece 1. Pass the screw 11 at the bottom of the rotating handle 4 through the corresponding through hole 10 on the top surface of the notch 9 on the bottom surface of the elastic metal clip 5. Lift the rubber sealing piece 13 fixed at the notch 9. Screw the nut 12 onto the bottom end of the screw 11 and tighten it. Flip the rubber sealing piece 13 back to cover the notch 9. At this time, a "C"-shaped groove is reserved between the edge of the rubber sealing piece 13 and the inner ring surface of the clamp 6. The rotating handle 4 is installed on the top plate of the elastic metal clip 5, and moving the elastic metal clip 5 will cause the rotating handle 4 to rotate in the pre-drilled opening 3. Place the connecting piece 1 against the bottom of the photovoltaic module frame 2, so that the side plate of the connecting piece 1 is aligned with the inner ring opening of the photovoltaic module frame 2. After screwing the connecting piece 1 through the side plate, it is screwed onto the inner ring surface of the photovoltaic module frame 2, fixing the connecting piece 1 to the bottom of the photovoltaic module frame 2. Multiple connecting pieces 1 are provided and must be installed according to design requirements. The photovoltaic module frame 2 with the connecting piece 1 installed is then attached to the photovoltaic support. The elastic metal clip 5 is adjusted by rotating it at the bottom of the connecting piece 1 to accommodate both horizontal and vertical beams. The elastic metal clip 5 is then fastened to the beams of the photovoltaic support. Hoop plates 6 are fixed to the bottom of the two parallel side plates of the elastic metal clip 5, and bolt holes 7 are provided on the surface of the hoop plates 6. Bolts 8 are passed through the bolt holes 7 on the surfaces of the two hoop plates 6 and tightened. The two hoop plates 6 pull the two elastic metal clip plates 5 to tightly clamp the beams, ensuring that the connecting piece 1 and the photovoltaic module frame 2 are securely installed on the photovoltaic support.

[0016] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A frame connection structure for a photovoltaic module, comprising a connecting piece (1), the connecting piece (1) being installed at the bottom of the frame (2) of the photovoltaic module, characterized in that: An elastic metal buckling plate (5) is rotatably connected below the connecting piece (1), the elastic metal buckling plate (5) is in a "匚"-shaped plate structure, hoop plates (6) are respectively fixed at the bottoms of two parallel-distributed side plates of the elastic metal buckling plate (5), and the two hoop plates (6) are connected through a bolt (8).

2. The frame connection structure of a photovoltaic module according to claim 1, characterized in that: The connecting piece (1) is in an "L"-shaped plate structure, the side plate of the connecting piece (1) is fixed on the inner annular opening of the photovoltaic module frame (2) by screws, and a plurality of connecting pieces (1) are provided.

3. The frame connection structure of a photovoltaic module according to claim 1, characterized in that: A reserved opening (3) is opened on the bottom plate of the connecting piece (1), the reserved opening (3) is a "T"-shaped round opening, a rotating handle (4) is rotatably connected inside the reserved opening (3), the rotating handle (4) is a "T"-shaped cylinder, and the rotating handle (4) is installed on the top of the elastic metal buckling plate (5).

4. The frame connection structure of a photovoltaic module according to claim 3, characterized in that: A notch (9) is opened on the bottom surface of the top plate of the elastic metal buckling plate (5), two through holes (10) are opened on the top surface of the notch (9), a screw rod (11) is inserted into the through holes (10), the top end of the screw rod (11) is fixed on the bottom surface of the rotating handle (4), and a nut (12) is sleeved and screwed on the bottom end of the screw rod (11).

5. The frame connection structure of a photovoltaic module according to claim 4, characterized in that: A rubber sealing sheet (13) is fixed at the notch opening of the notch (9), and a "C"-shaped groove is reserved between the edge of the rubber sealing sheet (13) and the inner annular surface of the hoop plate (6).

6. The frame connection structure of a photovoltaic module according to claim 1, characterized in that: Bolt holes (7) are opened on the surface of the hoop plates (6), and the bolt (8) is locked after passing through the bolt holes (7) on the surfaces of the two hoop plates (6).

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