CN216353476U - High-reliability power cable - Google Patents

Abstract

The utility model relates to the technical field of cables and discloses a high-reliability power cable which comprises a copper wire, wherein a binding sleeve is fixedly arranged on the outer surface of the copper wire, a ground wire is fixedly arranged on the outer surface of the binding sleeve, a pressure-resistant layer is fixedly arranged on the outer surface of the ground wire, an insulating filler is fixedly arranged on the outer surface of the pressure-resistant layer, a winding layer is fixedly arranged on the outer surface of the insulating filler, a fireproof layer is fixedly arranged on the outer surface of the winding layer, a sheath is fixedly arranged on the outer surface of the fireproof layer, when the high-reliability power cable is used in a ground bottom or a wall body, the pressure-resistant layer in the cable can absorb kinetic energy generated in external extrusion and recover the kinetic energy, the effect of resisting extrusion is good, the high-reliability power cable can have certain fireproof and insulating functions by being wrapped by the insulating filler, and the triangular pressure-resistant layer is wrapped into a round shape, the winding layer winds the insulating filler to prevent the insulating filler from scattering.

Description

High-reliability power cable

Technical Field

The utility model relates to the technical field of cables, in particular to a high-reliability power cable.

Background

With the continuous development and expansion of the scale of industries such as the Chinese power industry, the communication industry, the traffic industry and the like, the requirements on cables are also continuously improved. The manufacture of wire and cable is quite different from the way most electromechanical products are produced. Electromechanical products generally employ the assembly of parts into components, and the reassembly of multiple parts into a single product, with the product being metered in units or pieces. The wire and cable are in basic unit of measurement of length. All the electric wires and cables are made by processing conductors, and adding insulation, shielding, cabling, sheath and the like layer by layer on the periphery of the conductors to form electric wire and cable products. The more complex the product structure, the more levels are superimposed.

The existing high-reliability power cable has the problems of poor cable torsion performance and compressive property, frequent cable torsion deformation and extrusion deformation of the cable when a long-distance cable is laid, and the existing cable is single in structure and cannot adapt to various environments for use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides a high-reliability power cable which can effectively solve the problems that the cable in the prior art is low in voltage resistance, single in structure and incapable of being used in various environments.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model discloses a high-reliability power cable which comprises a copper wire, wherein a binding sleeve is fixedly arranged on the outer surface of the copper wire, a ground wire is fixedly arranged on the outer surface of the binding sleeve, a pressure-resistant layer is fixedly arranged on the outer surface of the ground wire, an insulating filler is fixedly arranged on the outer surface of the pressure-resistant layer, a winding layer is fixedly arranged on the outer surface of the insulating filler, a fireproof layer is fixedly arranged on the outer surface of the winding layer, and a sheath is fixedly arranged on the outer surface of the fireproof layer.

Furthermore, the sheath is made of rubber.

Furthermore, the pressure-resistant layer is shaped like a Lelo triangle, the pressure-resistant layer is made of ceramic fibers, a triangular plate is fixedly arranged on the inner surface of the pressure-resistant layer, and the ceramic fibers have the performances of high temperature resistance, chemical corrosion resistance, thermal shock resistance, low thermal conductivity, high electrical insulation strength, high elastic modulus and the like.

Furthermore, the fireproof layer is made of nanometer fireproof paint.

Furthermore, the insulating filler is made of glass fiber, and the glass fiber is an inorganic non-metallic material with excellent performance, and has a wide variety of properties, good insulating property, strong heat resistance, good corrosion resistance and high mechanical strength.

Furthermore, the winding layer is made of cable non-woven fabric which can bear high temperature of 230 ℃ and is not melted and deformed, and the cable non-woven fabric has good corrosion resistance and can resist vulcanization.

(III) advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

1. according to the utility model, through the design of the anti-compression structure, the anti-compression layer is matched with the triangular plate, and then the insulating filler is matched for use, so that when the cable is extruded, the effect of absorbing and resisting power during extrusion is realized through the special shape of the anti-compression layer, the anti-compression capability of the cable is improved, and the problem that the cable is damaged due to the fact that the cable in the traditional cable is extruded and then the cable is crushed is solved.

2. According to the utility model, through increasing the design of a multilayer structure, through the matching use of the insulating filler and the pair of the winding layer, the matching use of the winding layer and the fireproof layer and the matching use of the ground wire, the fireproof, moistureproof and insulating effects of the cable can be achieved, the cable can be used in various environments, and the problem that different environments need different types of cables and the usability of the cable is low is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is a perspective view of a compression-resistant layer in the embodiment;

the reference numerals in the drawings denote: 1. a copper wire; 2. a binding sleeve; 3. a ground wire; 4. a pressure resistant layer; 5. an insulating filler; 6. a winding layer; 7. a fire barrier layer; 8. a sheath; 9. a triangular plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The high reliability power cable of this embodiment, as shown in fig. 1 to 2, including copper line 1, the fixed surface of copper line 1 installs constraint cover 2, the fixed surface of constraint cover 2 installs ground wire 3, the fixed surface of ground wire 3 installs anti-pressure layer 4, the fixed surface of anti-pressure layer 4 installs insulating filler 5, the fixed surface of insulating filler 5 installs winding layer 6, the fixed surface of winding layer 6 installs flame retardant coating 7, the fixed surface of flame retardant coating 7 installs sheath 8.

As shown in fig. 1, the sheath 8 is made of rubber.

As shown in fig. 1 and 2, the compression-resistant layer 4 is shaped like a reuleaux triangle, the compression-resistant layer 4 is made of ceramic fiber, and a triangular plate 9 is fixedly arranged on the inner surface of the compression-resistant layer 4.

As shown in fig. 1, the fire-proof layer 7 is made of a nano fire-proof paint.

As shown in fig. 1, the insulating filler 5 is made of glass fiber.

As shown in fig. 1, the material of the winding layer 6 is a cable nonwoven fabric.

In this implementation, when the cable uses in the ground end or wall body, resistance to compression layer 4 in the cable can absorb the kinetic energy when outside extrusion, and recover it, it is effectual to resist the extrusion, rethread insulating filler 5 wraps up it, can have certain fire prevention and insulating effect, and wrap up into circularly with triangular resistance to compression layer 4, winding layer 6 twines insulating filler 5, prevent that insulating filler 5 from scattering and falling apart, and winding layer 6 also can reach insulating waterproof effect, flame retardant coating 7 can be gone out with the temperature conduction of inside, and can prevent outside fire source firing inner cable.

To sum up, when the cable uses in ground end or wall body, the resistance to compression layer 4 in the cable can absorb the kinetic energy when outside extrusion, and recover it, it is effectual to resist the extrusion, rethread insulating filler 5 wraps up it, can have certain fire prevention and insulating effect, and wrap up triangular resistance to compression layer 4 into circularly, winding layer 6 twines insulating filler 5, prevent that insulating filler 5 from scattering and falling apart, and twine layer 6 and also can reach insulating waterproof effect, flame retardant coating 7 can conduct away inside temperature, and can prevent that outside fire source from firing inside cable.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (6)

1. A high reliability power cable, includes copper line (1), its characterized in that: the utility model discloses a copper wire (1) for the cable winding, including copper wire (1), the outer fixed surface of copper wire (2) installs constraint cover (2), the outer fixed surface of constraint cover (2) installs ground wire (3), the outer fixed surface of ground wire (3) installs compressive layer (4), the outer fixed surface of compressive layer (4) installs insulating filler (5), the outer fixed surface of insulating filler (5) installs winding layer (6), the outer fixed surface of winding layer (6) installs flame retardant coating (7), the outer fixed surface of flame retardant coating (7) installs sheath (8).

2. A high reliability power cable according to claim 1, wherein: the sheath (8) is made of rubber.

3. A high reliability power cable according to claim 1, wherein: the pressure-resistant layer (4) is in a Lelo triangle shape, the pressure-resistant layer (4) is made of ceramic fibers, and a triangular plate (9) is fixedly mounted on the inner surface of the pressure-resistant layer (4).

4. A high reliability power cable according to claim 3, characterized in that: the fireproof layer (7) is made of nanometer fireproof paint.

5. A high reliability power cable according to claim 3, characterized in that: the insulating filler (5) is made of glass fiber.

6. A high reliability power cable according to claim 5, characterized in that: the winding layer (6) is made of cable non-woven fabric.

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