High-voltage cable for new energy

Abstract

The utility model relates to the technical field of high-voltage cables, in particular to a high-voltage cable for new energy, which is characterized in that the inner side of an outer insulating sleeve is provided with a flame-retardant metal film, the inner side of the flame-retardant metal film is provided with an inner coating layer, the inner coating layer is internally provided with an armor, the armor is internally provided with a cable core, and the cable core is internally provided with a sheath. According to the novel energy high-voltage cable, the flame-retardant metal film is arranged, so that the novel energy high-voltage cable has a flame-retardant effect, the internal cable core can be protected in a fire state, and the phenomenon of short-circuit explosion caused by fire is avoided; the overall wear resistance of the cable can be improved through the arrangement of the wear-resistant convex strips, the elastic metal rings arranged inside can perform compression resistance protection and deformation recovery processing on the cable, and the overall torsion resistance of the cable can be improved through the arrangement of the spiral metal rings, so that the overall protection effect of the cable is improved; the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model relates to a high-voltage cable for new energy, belonging to the technical field of high-voltage cables. Background Art

[0002] High-voltage cable is a type of power cable, which refers to a power cable used to transmit power between 1kv-1000kv. It is mostly used in power transmission and distribution. The components of high-voltage cable from the inside to the outside include conductor, insulation, inner sheath, filler, and outer insulation. Of course, armored high-voltage cable is mainly used for underground burial, which can withstand high-intensity compression on the ground and prevent damage from other external forces.

[0003] During the use of existing high-voltage cables, the overall protection effect of the cables is poor, which makes it easy for the cables to be damaged by external factors, reducing the safety of cable use and the service life of the cables; and it is difficult to quickly bundle the cables when used in new energy equipment, and it is difficult to adjust the position after bundling with bundling strips. At the same time, the bundling strips need to be cut when disassembling, which reduces the convenience of cable bundling. Utility Model Content

[0004] The purpose of the utility model is to provide a high voltage cable for new energy to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-voltage cable for new energy, comprising an outer insulating sleeve, an inner coating layer and a cable core, wherein a flame-retardant metal film is arranged on the inner side of the outer insulating sleeve, an inner coating layer is arranged on the inner side of the flame-retardant metal film, armor is arranged inside the inner coating layer, a cable core is arranged inside the armor, a wear-resistant convex strip is fixedly connected to the outer side of the outer insulating sleeve, a ferrule is slidably connected to the outer side of the wear-resistant convex strip, and a ferrule is fixedly connected to the lower end of the ferrule.

[0007] Furthermore, a spiral metal ring is fixedly connected to the interior of the outer insulating sleeve, and the spiral metal ring is made of an elastic alloy material.

[0008] Furthermore, an elastic metal ring is fixedly connected inside the wear-resistant convex strip.

[0009] Furthermore, arc-shaped spring bars are fixedly connected inside the ferrule, and the arc-shaped spring bars are arranged at equal intervals.

[0010] Furthermore, a torsion block is provided at the front end of the collar, and a transmission screw is fixedly connected to the rear end of the torsion block. The transmission screw is spirally connected to the collar, and the rear end of the transmission screw is rotatably connected to a limiting clamping plate, and the limiting clamping plate is slidably connected to the wear-resistant convex strip.

[0011] Furthermore, the wear-resistant convex strips are arranged at equal intervals, and a groove is provided between the wear-resistant convex strips and the outer insulating sleeve, and the width of the groove corresponds to the width of the limiting clamping plate.

[0012] The beneficial effects of the utility model are:

[0013] The utility model can make this new energy high-voltage cable have a flame retardant effect by providing a flame retardant metal film, can protect the internal cable core in a fire state, avoid the occurrence of fire short circuit explosion, and can improve the overall wear resistance of the cable by providing wear-resistant convex strips, and the elastic metal ring provided inside can perform compression protection and deformation recovery treatment on the cable, and at the same time, the overall torsion resistance of the cable can be improved by the effect of the spiral metal ring provided, so that the overall protection effect of the cable is improved, and the service life of the cable is improved. The utility model can be sleeved on the outside of the cable by the effect of the sleeve, and can be clamped on the outside of another cable by the sleeve, and can ensure the convenience and repeatability of the connection between the sleeve and the cable by the effect of the arc spring strip provided, and the transmission screw can drive the limit card to move by rotating the torsion block, and the sleeve can be limited after the limit card moves into the groove, so as to ensure the convenience and stability of cable bundling, and the sleeve can be moved after the limit card is moved out of the groove, so as to bundle the cables according to the installation position. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0015] Figure 1 This is a front view of a high voltage cable for new energy of the utility model;

[0016] Figure 2 This is a cross-sectional view of the installation structure of the outer insulating sheath and the wear-resistant convex strips of a high-voltage cable for new energy use in the utility model;

[0017] Figure 3 This is a schematic diagram of the installation structure of a spiral metal ring of a high-voltage cable for new energy in the utility model;

[0018] Figure 4 This is a cross-sectional view of the installation structure of a ferrule, a ferrule and a torsion block of a high-voltage cable for new energy use in the utility model;

[0019] Numbers in the figure: 1. Outer insulating sleeve; 2. Flame-retardant metal film; 3. Inner coating layer; 4. Armor; 5. Cable core; 6. Wear-resistant convex strip; 7. Ring; 8. Clamping sleeve; 9. Spiral metal ring; 10. Elastic metal ring; 11. Arc spring strip; 12. Torsion block; 13. Transmission screw; 14. Limiting card plate; 15. Groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in 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 in 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.

[0021] Example 1 Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0022] A high-voltage cable for new energy, comprising an outer insulating sleeve 1, an inner coating layer 3 and a cable core 5, a flame-retardant metal film 2 is provided on the inner side of the outer insulating sleeve 1, an inner coating layer 3 is provided on the inner side of the flame-retardant metal film 2, an armor 4 is provided inside the inner coating layer 3, a cable core 5 is provided inside the armor 4, a wear-resistant convex strip 6 is fixedly connected to the outer side of the outer insulating sleeve 1, a spiral metal ring 9 is fixedly connected inside the outer insulating sleeve 1, the spiral metal ring 9 is set to an elastic alloy material, an elastic metal ring 10 is fixedly connected inside the wear-resistant convex strip 6, the flame-retardant metal film 2 is provided to enable the new energy high-voltage cable to have a flame-retardant effect, the internal cable core 5 can be protected in a fire state to avoid fire short circuit explosion, and the wear-resistant convex strip 6 is provided to improve the overall wear resistance of the cable, and the elastic metal ring 10 provided inside can perform compression protection and deformation recovery treatment on the cable, and at the same time, the spiral metal ring 9 can improve the overall torsion resistance of the cable, so that the overall protection effect of the cable is improved, and the service life of the cable is improved.

[0023] Example 2 Please refer to Figure 1 and Figure 4The difference between this embodiment and embodiment 1 is that: the outer side of the wear-resistant convex strip 6 is slidably connected with a collar 7, the lower end of the collar 7 is fixedly connected with a clamping sleeve 8, the inner side of the clamping sleeve 8 is fixedly connected with an arc spring strip 11, the arc spring strip 11 is arranged at equal intervals, the front end of the collar 7 is provided with a torsion block 12, the rear end of the torsion block 12 is fixedly connected with a transmission screw 13, the transmission screw 13 is spirally connected to the collar 7, the rear end of the transmission screw 13 is rotatably connected with a limited position card plate 14, the limited position card plate 14 is slidably connected to the wear-resistant convex strip 6, the wear-resistant convex strip 6 is arranged at equal intervals, a groove 15 is provided between the wear-resistant convex strip 6 and the outer insulating sleeve 1, and the groove 15 The width corresponds to the width of the limiting card plate 14. The ring 7 can be put on the outside of the cable, and the card sleeve 8 can be clamped on the outside of another cable. The arc spring bar 11 can ensure the convenience and repeatability of the connection between the card sleeve 8 and the cable. The transmission screw 13 can drive the limiting card plate 14 to move by rotating the torsion block 12. After the limiting card plate 14 moves into the groove 15, the ring 7 can be limited to ensure the convenience and stability of cable bundling. After the limiting card plate 14 is moved out of the groove 15, the ring 7 can be moved to facilitate the bundling of the cables according to the installation position.

[0024] Working principle of the utility model: when the device is in use, the flame-retardant metal film 2 is provided to make the new energy high-voltage cable have a flame-retardant effect, and the internal cable core 5 can be protected in a fire state to avoid fire short circuit explosion. The wear-resistant convex strip 6 can improve the overall wear resistance of the cable, and the elastic metal ring 10 provided inside can provide compression protection and deformation recovery for the cable. At the same time, the spiral metal ring 9 can improve the overall torsion resistance of the cable, so that the overall protection effect of the cable is improved, and the service life of the cable is increased. The life, and the ring 7 can be sleeved on the outside of the cable, and can be clamped on the outside of another cable through the clamping sleeve 8, and the convenience and repeatability of the connection between the clamping sleeve 8 and the cable can be ensured by the action of the arranged arc spring strip 11, and the transmission screw 13 can drive the limiting card plate 14 to move by rotating the torsion block 12, and then the limiting card plate 14 can limit the ring 7 after it moves into the groove 15, so as to ensure the convenience and stability of cable bundling, and the ring 7 can be moved after the limiting card plate 14 is moved out of the groove 15, so as to bundle the cables according to the installation position.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-voltage cable for new energy, comprising an outer insulating sheath (1), an inner sheath (3) and a cable core (5), characterized in that: The inner side of the outer insulating sleeve (1) is provided with a flame retardant metal film (2), the inner side of the flame retardant metal film (2) is provided with an inner coating layer (3), the inner side of the inner coating layer (3) is provided with an armor (4), the inner side of the armor (4) is provided with a cable core (5), the outer side of the outer insulating sleeve (1) is fixedly connected with a wear-resistant convex strip (6), the outer side of the wear-resistant convex strip (6) is slidably connected with a ring (7), and the lower end of the ring (7) is fixedly connected with a clamping sleeve (8).

2. A high voltage cable for new energy according to claim 1, characterized in that: A spiral metal ring (9) is fixedly connected to the interior of the outer insulating sleeve (1), and the spiral metal ring (9) is made of an elastic alloy material.

3. A high voltage cable for new energy according to claim 1, characterized in that: An elastic metal ring (10) is fixedly connected inside the wear-resistant convex strip (6).

4. A high voltage cable for new energy according to claim 1, characterized in that: The interior of the clamping sleeve (8) is fixedly connected with arc-shaped spring strips (11), and the arc-shaped spring strips (11) are arranged at equal intervals.

5. A high voltage cable for new energy according to claim 1, characterized in that: A torsion block (12) is provided at the front end of the collar (7), a transmission screw (13) is fixedly connected to the rear end of the torsion block (12), the transmission screw (13) and the collar (7) are spirally connected, the rear end of the transmission screw (13) is rotatably connected to a limit clamping plate (14), and the limit clamping plate (14) and the wear-resistant convex strip (6) are slidably connected.

6. A high voltage cable for new energy according to claim 1, characterized in that: The wear-resistant convex strips (6) are arranged at equal intervals, and a groove (15) is provided between the wear-resistant convex strips (6) and the outer insulating sleeve (1), and the width of the groove (15) corresponds to the width of the limiting clamping plate (14).

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