Copper-aluminum connecting bar for integrated photovoltaic system

Abstract

The utility model discloses a copper-aluminum connecting bar for an integrated photovoltaic system, which comprises a U-shaped plate, the top surface of the U-shaped plate is fixedly connected with two connecting parts, the top surface of each connecting part is movably connected with a pin, the pins are fixedly connected with the connecting parts through screws, and the screws are movably connected to the bottom surface of the U-shaped plate. According to the utility model, the pins are connected by using the first slots on the connecting parts and the second slots on the U-shaped plates, and are fixed by using the screws, so that when the pins are damaged, the damaged pins can be independently disassembled and maintained, the whole connecting bar does not need to be replaced, the cost is saved, and the working efficiency is improved. And a clamping piece consisting of a clamping plate, a spring and a guide rod is movably connected in the second slot, so that the firmness of mounting the pins in the second slot is improved, and the situation that the normal use of the connecting bar is influenced due to the fact that the joints of the pins and the U-shaped plate shake is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic equipment, in particular to a copper-aluminum connecting bar for an integrated photovoltaic system. Background Art

[0002] With the continuous development of solar technology, more and more cities and enterprises have begun to use solar photovoltaic panels for power generation. Photovoltaic distribution cabinets are important intermediate connection devices used to connect strings composed of multiple solar photovoltaic modules to photovoltaic inverters. They are essential equipment for solar power stations, building photovoltaic integration, and other large-scale commercial photovoltaic power generation systems. The internal connecting copper busbars are also an indispensable and important accessory.

[0003] Currently, the pins on the connecting copper busbars inside photovoltaic inverter cabinets on the market are fixed on the board. When the pins are damaged, they need to be replaced together with the board, which is very costly. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a copper-aluminum connecting bar for an integrated photovoltaic system.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a copper-aluminum connecting bar for an integrated photovoltaic system includes a U-shaped plate, the top surface of the U-shaped plate is fixedly connected to two connecting parts, and the top surface of each connecting part is movably connected to a pin, and the pin is connected and fixed to the connecting part by screws, and the screws are movably connected to the bottom surface of the U-shaped plate.

[0006] As a further description of the above technical solution: a first slot is opened on the top surface of the connecting part, a second slot connected to the first slot is opened vertically on the top surface of the U-shaped plate, the pin is movable through the first slot and inserted into the second slot, the screw is rotated through the bottom wall of the second slot and is threadedly connected to the bottom surface of the pin, and the clamp is movably connected in the second slot.

[0007] As a further description of the above technical solution: a guide groove is vertically provided on the left and right sides of the pin, a guide block is slidably connected in each guide groove, and the guide blocks are fixed on both sides of the inner wall of the first slot.

[0008] As a further description of the above technical solution: the clamping member includes a clamping plate telescopically connected to the front and rear inner walls of the second slot, and a stepped surface is respectively provided on the front and rear sides of the pin, and each of the stepped surfaces abuts against one of the clamping plates.

[0009] As a further description of the above technical solution: the front and rear inner walls of the second slot are each horizontally provided with a plurality of equally spaced storage grooves, a spring is horizontally fixed in each of the storage grooves, the end of the spring is fixedly connected to a guide rod, the guide rod is fixedly connected to the splint, and two mirror-symmetrical sliding grooves are horizontally provided on the inner wall of the storage groove, a slider is slidably connected in each of the sliding grooves, and the slider is fixedly connected to the guide rod.

[0010] As a further description of the above technical solution: the bottom surface of the U-shaped plate vertically passes through a plurality of equally spaced countersunk holes, each of the countersunk holes is connected to the second slot, and a threaded groove is vertically opened on the bottom surface of the pin, and the screw is rotated and sleeved in the countersunk hole and threadedly connected in the threaded groove.

[0011] The utility model has the following beneficial effects:

[0012] Compared with the existing technology, the integrated photovoltaic system uses a copper-aluminum connecting bar. By connecting the pins with the first slot on the connecting part and the second slot on the U-shaped plate and fixing them with screws, when the pins are damaged, the damaged pins can be disassembled and repaired individually without replacing the entire connecting bar, saving costs. The clamping part composed of a splint, a spring and a guide rod that is movably connected in the second slot improves the firmness of the pin installed in the second slot, avoiding shaking at the connection between the pin and the U-shaped plate, which affects the normal use of the connecting bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the overall structure of the copper-aluminum connecting bar for the integrated photovoltaic system proposed in the utility model;

[0014] Figure 2 This is a main cross-sectional view of the connection between the U-shaped plate and the pins of the copper-aluminum connecting bar for the integrated photovoltaic system proposed in the present invention;

[0015] Figure 3 This is a side cross-sectional view of the connection between the U-shaped plate and the pins of the copper-aluminum connecting bar for the integrated photovoltaic system proposed in the present invention;

[0016] Figure 4 The utility model proposes a copper-aluminum connecting bar for an integrated photovoltaic system. Figure 2 A magnified view of the structure at point A;

[0017] Figure 5 The utility model proposes a copper-aluminum connecting bar for an integrated photovoltaic system. Figure 3 A magnified view of the structure at point B.

[0018] Legend:

[0019] 1. U-shaped plate; 2. First slot; 3. Connecting part; 4. Pin; 5. Threaded groove; 6. Countersunk hole; 7. Screw; 8. Second slot; 9. Clamp; 10. Step surface; 11. Guide groove; 12. Guide block; 13. Slide groove; 14. Storage groove; 15. Spring; 16. Slider; 17. Guide rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Reference Figures 1 to 5 The utility model provides an integrated photovoltaic system copper-aluminum connecting bar: it includes a U-shaped plate 1, the top surface of the U-shaped plate 1 is fixedly connected to two connecting parts 3, the top surface of each connecting part 3 is movably connected to a pin 4, the pin 4 and the connecting part 3 are connected and fixed by screws 7, the screws 7 are movably connected to the bottom surface of the U-shaped plate 1, the top surface of the connecting part 3 is provided with a first slot 2, the top surface of the U-shaped plate 1 is vertically provided with a second slot 8 connected to the first slot 2, the pin 4 movably passes through the first slot 2 and is inserted into the second slot 8, the screw 7 rotates through the bottom wall of the second slot 8 and is threadedly connected to the bottom surface of the pin 4, the bottom surface of the U-shaped plate 1 vertically passes through a plurality of equally distributed countersunk holes 6, each countersunk hole 6 is connected to the second slot 8, the bottom surface of the pin 4 is vertically provided with a threaded groove 5, the screw 7 is rotatably sleeved in the countersunk hole 6 and is threadedly connected in the threaded groove 5, and the second slot 8 is movably connected to the clamping member;

[0022] In order to improve the firmness of the connection between the pin 4 and the U-shaped plate 1, a guide groove 11 is vertically opened on the left and right sides of the pin 4, and a guide block 12 is slidably connected in each guide groove 11. The guide block 12 is fixed on both sides of the inner wall of the first slot 2. The clamping member includes a splint 9 telescopically connected to the front and rear inner walls of the second slot 8. A step surface 10 is opened on the front and rear sides of the pin 4, and each step surface 10 abuts against a splint 9. The front and rear inner walls of the second slot 8 are horizontally opened with a plurality of equally spaced receiving grooves 14, and a spring 15 is horizontally fixed in each receiving groove 14. The end of the spring 15 is fixedly connected to a guide rod 17, and the guide rod 17 is fixedly connected to the splint 9. The inner wall of the receiving groove 14 is horizontally opened with two mirror-symmetrical sliding grooves 13, and a slider 16 is slidably connected in each sliding groove 13, and the slider 16 is fixedly connected to the guide rod 17.

[0023] By connecting the pin 4 with the first slot 2 on the connecting part 3 and the second slot 8 on the U-shaped plate 1 and fixing it with the screw 7, when the pin 4 is damaged, the damaged pin 4 can be disassembled and repaired separately without replacing the entire connecting row, saving costs. The clamping member composed of the clamping plate 9, the spring 15 and the guide rod 17 is movably connected in the second slot 8, which improves the firmness of the pin 4 installed in the second slot 8, avoids shaking at the connection between the pin 4 and the U-shaped plate 1, and affects the normal use of the connecting row.

[0024] Working principle: When the docking pin 4 needs to be disassembled, remove the screw 7 from the bottom of the U-shaped plate 1, and then pull the pin 4 directly upwards, and then install the new pin 4 on the U-shaped plate 1, align the guide groove 11 on the pin 4 with the guide block 12 in the first slot 2, and align the stepped surface 10 with the splint 9 in the second slot 8 for installation, and completely insert one end of the stepped surface 10 on the pin 4 into the second through slot, and the guide block 12 will be inserted into the guide groove 11. Under the elastic force of the spring 15, the splint 9 is tightly abutted against the stepped surface 10, and then the screw 7 is reinstalled on the U-shaped plate 1 to fix the docking pin 4 and the U-shaped plate 1.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A copper-aluminum connecting bar for an integrated photovoltaic system, comprising a U-shaped plate (1), characterized in that: The top surface of the U-shaped plate (1) is fixedly connected to two connecting parts (3), and the top surface of each connecting part (3) is movably connected to a pin (4). The pin (4) and the connecting part (3) are connected and fixed by screws (7), and the screws (7) are movably connected to the bottom surface of the U-shaped plate (1).

2. The copper-aluminum connecting bar for an integrated photovoltaic system according to claim 1, characterized in that: A first slot (2) is provided on the top surface of the connecting portion (3); a second slot (8) is vertically provided on the top surface of the U-shaped plate (1) and is connected to the first slot (2); the pin (4) movably passes through the first slot (2) and is inserted into the second slot (8); the screw (7) rotates through the bottom wall of the second slot (8) and is threadedly connected to the bottom surface of the pin (4); and a clamp is movably connected in the second slot (8).

3. The copper-aluminum connecting bar for an integrated photovoltaic system according to claim 2, characterized in that: A guide groove (11) is vertically formed on the left and right sides of the pin (4), and a guide block (12) is slidably connected in each guide groove (11). The guide blocks (12) are fixed on both sides of the inner wall of the first slot (2).

4. The copper-aluminum connecting bar for an integrated photovoltaic system according to claim 2, characterized in that: The clamping member comprises a clamping plate (9) telescopically connected to the front and rear inner walls of the second slot (8); a stepped surface (10) is respectively provided on the front and rear sides of the pin (4); and each stepped surface (10) abuts against one of the clamping plates (9).

5. The copper-aluminum connecting bar for an integrated photovoltaic system according to claim 4, characterized in that: The front and rear inner walls of the second slot (8) are each horizontally provided with a plurality of equally spaced receiving grooves (14), a spring (15) is horizontally fixed in each receiving groove (14), the end of the spring (15) is fixedly connected to a guide rod (17), the guide rod (17) is fixedly connected to the splint (9), the inner wall of the receiving groove (14) is horizontally provided with two mirror-symmetrical sliding grooves (13), each of the sliding grooves (13) is slidably connected to a slider (16), and the slider (16) is fixedly connected to the guide rod (17).

6. The copper-aluminum connecting bar for an integrated photovoltaic system according to claim 2, characterized in that: The bottom surface of the U-shaped plate (1) is vertically penetrated by a plurality of equally spaced countersunk holes (6), each of the countersunk holes (6) is connected to the second slot (8), and the bottom surface of the pin (4) is vertically provided with a threaded groove (5), and the screw (7) is rotatably sleeved in the countersunk hole (6) and threadedly connected in the threaded groove (5).

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