Wire clamp used in photovoltaic field

Abstract

The utility model relates to the photovoltaic technical field, and provides a wire clamp used in the photovoltaic field, which comprises a wire frame, an inverted L-shaped plate arranged on the inner side of the wire frame, a strip-shaped groove arranged on the inverted L-shaped plate, a first U-shaped plate inserted on the inner side of the strip-shaped groove, a plurality of first springs fixedly installed on the inner top wall of the inverted L-shaped plate, and a second U-shaped plate inserted on the inner top wall of the inverted L-shaped plate. The other ends of the multiple first springs are fixedly connected with the first U-shaped plate, the elastic assembly is arranged on the wire frame, the inverted-L-shaped plate is connected to the elastic assembly, the anti-abrasion assembly is arranged on the wire frame, the protection assembly is arranged on the anti-abrasion assembly, and the anti-abrasion assembly is connected to the inverted-L-shaped plate. By arranging the elastic assembly, the inverted-L-shaped plate, the strip-shaped groove, the first U-shaped plate and the first spring, the cable can be stably fixed in the wire holder, and meanwhile, the opening in one side of the wire holder can be sealed and protected, so that the cable is prevented from falling off from the wire holder easily, and the stability of electrical connection between the cable and the wire holder can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of photovoltaic technology, and specifically to a wire clamp used in the photovoltaic field. Background Art

[0002] As an important electrical connection accessory, wire clamps play a vital role in solar power generation systems. They are widely used in solar photovoltaic power stations and other equipment. They can not only avoid safety hazards such as loose cables and cables falling off, but also improve the electrical connection efficiency and stability of the system.

[0003] The known Chinese public authorized utility model CN211830098U is a wire clamp for the photovoltaic field, belonging to the field of photovoltaic module technology. The wire clamp includes the following structures: a frame clamping part, used to clamp the frame of the photovoltaic module; a cable limiting part, which is adjacently arranged on one side of the frame clamping part, and is used to gather and limit the cable; wherein the thickness of the outer clamping part is less than 10mm; an elastic jacket is arranged at the bottom of the clamping groove, and the elastic jacket covers the end of the frame. The wire clamp is used to adjust the length of the PV line after connection, and can prevent the MC4 terminal from loosening, the outlet of the junction box from tearing, and other problems. It has a simple structure, low production cost, and occupies a small space, making it easy to operate and not easily restricted by a small space.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned scheme has the following problems: when the prior art is used, the cable positioning is not firm enough and the fixing effect is not ideal, so that the cable is easy to fall from the cable limit part. Secondly, when the prior art is used, the protective effect is not good. The cables at both ends of the cable limit part are easy to contact with the edge of the cable limit part under the action of gravity, which can easily cause cable wear and other phenomena. Therefore, a wire clamp for use in the photovoltaic field is needed. Utility Model Content

[0005] The utility model proposes a wire clamp for the photovoltaic field, which solves the problems in the related technology that the cable positioning is not firm enough and the fixing effect is not ideal, so that the cable is easy to fall from the cable limit part, the protection effect is poor, and the cables at both ends of the cable limit part are easy to contact with the edge of the cable limit part under the action of gravity, which easily causes cable wear and other problems.

[0006] The technical solution of the utility model is as follows: A wire clamp for the photovoltaic field, comprising: a wire rack, an inverted L-plate is arranged on the inner side of the wire rack, a strip groove is opened on the inverted L-plate, a first U-shaped plate is inserted into the inner side of the strip groove, a plurality of first springs are fixedly installed on the inner top wall of the inverted L-plate, and the other ends of the plurality of first springs are fixedly connected to the first U-shaped plate;

[0007] An elastic component, wherein the elastic component is arranged on the wire rack, and the inverted L-plate is connected to the elastic component;

[0008] An anti-wear component, wherein the anti-wear component is arranged on the wire rack;

[0009] A protection component is arranged on the anti-wear component.

[0010] Preferably, the anti-wear component includes two L-shaped columns arranged on both sides of the wire rack, and the two L-shaped columns are fixedly installed at the bottom of the wire rack, and two rotating rollers are rotatably installed on the two L-shaped columns.

[0011] Preferably, the protective assembly includes a second connecting rod fixedly mounted on the L-shaped column, the second connecting rod is located in a groove opened on the L-shaped column, the outer side walls of the second connecting rod are respectively provided with a third spring and a connecting block, and the connecting block is located above the third spring, and a second U-shaped plate is fixedly mounted on one side of the connecting block.

[0012] Preferably, a first protective pad is fixedly mounted on the inner wall of the wire rack and the bottom of the first U-shaped plate, and the first protective pad is made of rubber.

[0013] Preferably, the elastic component includes a fixing frame fixedly mounted on the inner top wall of the wire rack, two first connecting rods are fixedly mounted on the inner side of the fixing frame, connecting plates are fixedly mounted on both sides of the inverted L-plate, and the two connecting plates are respectively located on the outer side walls of the two first connecting rods, second springs are provided on the outer side walls of the two first connecting rods, and the second springs are located in the middle of the fixing frame and the connecting plates.

[0014] Preferably, a second protective pad is fixedly mounted on one side of the inverted L-plate, and the second protective pad is made of rubber.

[0015] Preferably, a plurality of sleeves are fixedly mounted on the inner top wall of the inverted L-plate, a limiting rod is inserted into the inner side of the plurality of sleeves, the bottom of the limiting rod is fixedly connected to the first U-shaped plate, and the sleeve and the limiting rod are both located on the inner side of the first spring.

[0016] Preferably, a plurality of threaded holes are formed on the wire rack, bolts are threadedly connected in the threaded holes, and the wire rack is fixedly mounted on the photovoltaic module through the threaded holes and the bolts.

[0017] The working principle and beneficial effects of the utility model are:

[0018] 1. By providing the elastic component, the inverted L-plate, the strip groove, the first U-shaped plate and the first spring, the cable can be stably fixed in the wire rack, and the opening on one side of the wire rack can be sealed and protected, thereby preventing the cable from falling off the wire rack easily, thereby ensuring the stability of the cable and electrical connection.

[0019] 2. By setting up the anti-wear component, the protection effect of the cable can be improved, thereby preventing the cables at both ends of the wire rack from contacting the edge of the wire rack under the action of gravity, thereby reducing the contact friction between the cable and the device and increasing the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure when viewed from above proposed by the utility model;

[0023] Figure 3 This is a three-dimensional structural diagram of the inverted L-plate proposed in the utility model;

[0024] Figure 4 This is a three-dimensional structural diagram of the protective component proposed in the utility model;

[0025] Figure 5 This is a three-dimensional structural schematic diagram of the first protective pad proposed in the utility model;

[0026] Figure 6 This is a three-dimensional structural schematic diagram of the elastic component proposed by the utility model.

[0027] In the figure: 1, wire rack; 2, inverted L-plate; 3, strip groove; 4, first U-shaped plate; 5, first spring; 6, elastic component; 61, fixing frame; 62, first connecting rod; 63, connecting plate; 64, second spring;

[0028] 7. anti-wear assembly; 71. L-shaped column; 72. rotating roller;

[0029] 8. Protection assembly; 81. Second connecting rod; 82. Third spring; 83. Connecting block; 84. Second U-shaped plate;

[0030] 9. First protective pad; 10. Second protective pad; 11. Sleeve; 12. Limit rod; 13. Threaded hole. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1

[0033] See also Figure 1 - Figure 6 A wire clamp for photovoltaic field, comprising: a wire rack 1, an inverted L-plate 2 is arranged on the inner side of the wire rack 1, a strip groove 3 is opened on the inverted L-plate 2, a first U-shaped plate 4 is inserted into the inner side of the strip groove 3, a plurality of first springs 5 ​​are fixedly installed on the inner top wall of the inverted L-plate 2, and the other ends of the plurality of first springs 5 ​​are fixedly connected to the first U-shaped plate 4;

[0034] The inner wall of the wire rack 1 and the bottom of the first U-shaped plate 4 are both fixedly mounted with a first protective pad 9, and the material of the first protective pad 9 is rubber;

[0035] The inner top wall of the inverted L-shaped plate 2 is fixedly mounted with a plurality of sleeves 11, the inner sides of the plurality of sleeves 11 are all plugged with limit rods 12, the bottom of the limit rod 12 is fixedly connected to the first U-shaped plate 4, and the sleeves 11 and the limit rod 12 are both located on the inner side of the first spring 5;

[0036] An elastic component 6, the elastic component 6 is arranged on the wire rack 1, and the inverted L-plate 2 is connected to the elastic component 6;

[0037] The anti-wear component 7 is arranged on the wire rack 1.

[0038] The utility model provides a wire clamp for the photovoltaic field. When in use, the inverted L-plate 2 is manually pulled toward one side of the wire rack 1, so that the cable can enter the wire rack 1 from the gap between the wire rack 1 and the inverted L-plate 2, and then the first U-shaped plate 4 inside the strip groove 3 is manually moved upward, and the first U-shaped plate 4 is located above the cable, so as to avoid the first U-shaped plate 4 affecting the resetting of the inverted L-plate 2 due to the cable in the wire rack 1 when the inverted L-plate 2 is reset, and then the inverted L-plate 2 is manually moved toward the direction of the wire rack 1, so that the first U-shaped plate 4 is located above the cable, and then the inverted L-plate 2 is manually released, so that the inverted L-plate 2 is reset under the action of the elastic component 6, and at the same time, due to the manual release of the inverted L-plate 2 L plate 2, so the first U-shaped plate 4 is loosened together, and then the first spring 5 is squeezed, and the opened first spring 5 can stably drive the first U-shaped plate 4 to descend and clamp the cable on the wire rack 1 under the limiting cooperation of the sleeve 11 and the limiting rod 12. At the same time, the cable can be protected by the first protective pad 9 to prevent the clamped first U-shaped plate 4 and the wire rack 1 from causing damage to the cable surface, so that the cable can be stably fixed in the wire rack 1, thereby ensuring the stability of the cable and electrical connection, and finally, through the anti-wear component 7, the cables at both ends of the wire rack 1 are prevented from contacting the edge of the wire rack 1 under the action of gravity, thereby reducing the contact friction between the cable and the device.

[0039] Furthermore, the anti-wear component 7 includes two L-shaped columns 71 arranged on both sides of the wire rack 1, and the two L-shaped columns 71 are fixedly installed at the bottom of the wire rack 1, and two rotating rollers 72 are rotatably installed on the two L-shaped columns 71.

[0040] Specifically, the rotating roller 72 on the L-shaped column 71 can improve the protection effect of the cable, thereby preventing the cables at both ends of the wire rack 1 from contacting the edge of the wire rack 1 under the action of gravity, thereby reducing the contact friction between the cables and the device.

[0041] Furthermore, the elastic component 6 includes a fixing frame 61 fixedly installed on the inner top wall of the wire rack 1, two first connecting rods 62 are fixedly installed on the inner side of the fixing frame 61, connecting plates 63 are fixedly installed on both sides of the inverted L-plate 2, and the two connecting plates 63 are respectively located on the outer side walls of the two first connecting rods 62, and the outer side walls of the two first connecting rods 62 are provided with second springs 64, and the second springs 64 are located in the middle of the fixing frame 61 and the connecting plates 63.

[0042] Specifically, the second spring 64 pushes the connecting plate 63, so that the connecting plate 63 on the first connecting rod 62 can drive the inverted L-plate 2 to move, which makes it convenient for the first U-shaped plate 4 at the back to clamp the cables on the wire rack 1, and enables the inverted L-plate 2 to seal and protect the opening on one side of the wire rack 1, thereby preventing the cables from easily falling off the wire rack 1.

[0043] Furthermore, a second protective pad 10 is fixedly installed on one side of the inverted L-plate 2, and the material of the second protective pad 10 is rubber.

[0044] Specifically, the second protective pad 10 is helpful to improve the protective effect of the device on the cable.

[0045] Furthermore, a plurality of threaded holes 13 are formed on the wire rack 1 , and bolts are connected to the inner threads of the threaded holes 13 , and the wire rack 1 is fixedly mounted on the photovoltaic module through the threaded holes 13 and the bolts.

[0046] Specifically, the wire rack 1 is manually clamped on the photovoltaic module, and then the bolts in the threaded holes 13 are manually rotated so that the screw ends of the bolts contact the photovoltaic module, so that the wire rack 1 can be stably fixed on the photovoltaic module.

[0047] Embodiment 2

[0048] Based on Example 1, in this embodiment: the protective component 8 is arranged on the anti-wear component 7, and the protective component 8 includes a second connecting rod 81 fixedly installed on the L-shaped column 71, and the second connecting rod 81 is located in a groove opened on the L-shaped column 71, and the outer side walls of the second connecting rod 81 are respectively provided with a third spring 82 and a connecting block 83, and the connecting block 83 is located above the third spring 82, and a second U-shaped plate 84 is fixedly installed on one side of the connecting block 83.

[0049] The technical solution provided by this embodiment is: by manually pulling down the second U-shaped plate 84, the cable can be easily placed between the wire rack 1 and the two rotating rollers 72, and then the second U-shaped plate 84 is manually loosened, so that the squeezed third spring 82 can open and reset again, and at the same time, it can push the connecting block 83 on the second connecting rod 81 to rise, so that the second U-shaped plate 84 can block and protect one side of the rotating roller 72 again, thereby preventing the cable from slipping out from between the two rotating rollers 72.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wire clamp for photovoltaic field, characterized in that: include: A wire rack (1), wherein an inverted L-shaped plate (2) is arranged on the inner side of the wire rack (1), a strip groove (3) is provided on the inverted L-shaped plate (2), a first U-shaped plate (4) is inserted into the inner side of the strip groove (3), a plurality of first springs (5) are fixedly mounted on the inner top wall of the inverted L-shaped plate (2), and the other ends of the plurality of first springs (5) are fixedly connected to the first U-shaped plate (4); An elastic component (6), wherein the elastic component (6) is arranged on the wire rack (1), and the inverted L-plate (2) is connected to the elastic component (6); an anti-wear component (7), wherein the anti-wear component (7) is arranged on the wire rack (1); A protection component (8), wherein the protection component (8) is arranged on the anti-wear component (7).

2. A wire clamp for photovoltaic field according to claim 1, characterized in that: The anti-wear component (7) comprises two L-shaped columns (71) arranged on both sides of the wire rack (1), and the two L-shaped columns (71) are fixedly mounted on the bottom of the wire rack (1), and two rotating rollers (72) are rotatably mounted on the two L-shaped columns (71).

3. A wire clamp for photovoltaic field according to claim 2, characterized in that: The protection component (8) comprises a second connecting rod (81) fixedly mounted on the L-shaped column (71), the second connecting rod (81) being located in a groove provided on the L-shaped column (71), the outer side walls of the second connecting rod (81) being respectively provided with a third spring (82) and a connecting block (83), and the connecting block (83) being located above the third spring (82), and a second U-shaped plate (84) being fixedly mounted on one side of the connecting block (83).

4. The wire clamp for photovoltaic field according to claim 1, characterized in that: A first protective pad (9) is fixedly mounted on the inner wall of the wire rack (1) and the bottom of the first U-shaped plate (4), and the material of the first protective pad (9) is rubber.

5. The wire clamp for photovoltaic field according to claim 1, characterized in that: The elastic component (6) comprises a fixing frame (61) fixedly mounted on the inner top wall of the wire rack (1); two first connecting rods (62) are fixedly mounted on the inner side of the fixing frame (61); connecting plates (63) are fixedly mounted on both sides of the inverted L-plate (2); and the two connecting plates (63) are respectively located on the outer side walls of the two first connecting rods (62); the outer side walls of the two first connecting rods (62) are respectively provided with a second spring (64), and the second spring (64) is located between the fixing frame (61) and the connecting plate (63).

6. The wire clamp for photovoltaic field according to claim 1, characterized in that: A second protective pad (10) is fixedly mounted on one side of the inverted L-plate (2), and the second protective pad (10) is made of rubber.

7. The wire clamp for photovoltaic field according to claim 1, characterized in that: A plurality of sleeves (11) are fixedly mounted on the inner top wall of the inverted L-shaped plate (2), a limiting rod (12) is inserted into the inner side of the plurality of sleeves (11), the bottom of the limiting rod (12) is fixedly connected to the first U-shaped plate (4), and the sleeve (11) and the limiting rod (12) are both located on the inner side of the first spring (5).

8. The wire clamp for photovoltaic field according to claim 1, characterized in that: The wire rack (1) is provided with a plurality of threaded holes (13), the threaded holes (13) are internally threaded with bolts, and the wire rack (1) is fixedly mounted on the photovoltaic assembly via the threaded holes (13) and the bolts.

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