CN215450962U

CN215450962U - Extrusion-resistant deformation-resistant low-voltage power cable

Info

Publication number: CN215450962U
Application number: CN202121667544.5U
Authority: CN
Inventors: 仇晓天
Original assignee: JIANGSU TIANYUAN CABLE CO Ltd
Current assignee: JIANGSU TIANYUAN CABLE CO Ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-07
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses an extrusion-resistant deformation-resistant low-voltage power cable, which belongs to the field of power cables and comprises a low-voltage power cable body, wherein a flexible rubber sleeve is fixedly sleeved inside the low-voltage power cable body, a signal wire is fixedly sleeved inside the flexible rubber sleeve, a protective layer is arranged inside the low-voltage power cable body, the protective layer comprises an anticorrosive coating, a wear-resistant layer, a fireproof layer, a compression-resistant layer, a plastic layer and an insulating layer, the anticorrosive coating is arranged outside the wear-resistant layer, the wear-resistant layer is arranged outside the fireproof layer, and the fireproof layer is arranged outside the compression-resistant layer; through setting up the plastic layer for when signal line multiple bending uses, the plastic layer can be protected the bend of signal line, has avoided because of the cracked problem takes place for same position multiple bending of signal line, thereby reaches the effect of protecting the signal line, makes very big improvement low voltage power cable's life.

Description

Extrusion-resistant deformation-resistant low-voltage power cable

Technical Field

The utility model belongs to the technical field of power cables, and particularly relates to an extrusion-resistant and deformation-resistant low-voltage power cable.

Background

The cable can be divided into a high-voltage cable and a low-voltage cable according to voltage. Compared with a low-voltage overhead line and a low-voltage overhead insulated line, a low-voltage cable line is higher in manufacturing cost and more difficult to lay and maintain, but the low-voltage cable line is widely applied to a low-voltage power distribution system due to the characteristics of reliable operation, no pole standing, no land occupation, no influence on the appearance, less influence by the outside and the like, but the conventional low-voltage power cable has the condition that an outer cover is broken or a cable core is broken after being extruded or bent, so that the normal use is seriously influenced, and meanwhile, the low-voltage cable has poorer fire resistance, so that the low-voltage power cable with extrusion resistance and deformation resistance is provided,

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a low voltage power cable with extrusion resistance and deformation resistance, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low pressure power cable of resistant extrusion resistance to deformation, includes the low pressure power cable body, the fixed cover in inside of low pressure power cable body has connect the flexible glue cover, the fixed signal line that has connect of inside of flexible glue cover, the inside of low pressure power cable body is provided with the protective layer, the protective layer includes anticorrosive coating, wearing layer, flame retardant coating, compressive layer, plastic layer and insulating layer, anticorrosive coating sets up the outside at the wearing layer, the wearing layer sets up the outside at the flame retardant coating, the flame retardant coating sets up the outside at the compressive layer, the compressive layer sets up the outside at the plastic layer, the plastic layer sets up the outside at the insulating layer, bond through the adhesive between wearing layer, flame retardant coating, compressive layer, plastic layer and the insulating layer.

As a preferable embodiment, the anticorrosive paint is sprayed on the outer part of the wear-resistant layer, and the material of the anticorrosive paint is anticorrosive paint.

In a preferred embodiment, the wear-resistant layer is laid between the anticorrosive paint and the fire-proof layer, and the wear-resistant layer is made of synthetic rubber.

In a preferred embodiment, the fire-proof layer is laid between the wear-resistant layer and the compression-resistant layer, and the fire-proof layer is made of a flame-retardant rubber plate.

As a preferred embodiment, the compression-resistant layer is laid between the fire-retardant layer and the plastic layer, and the compression-resistant layer is made of a regular hexagon soft rubber pipe.

In a preferred embodiment, the plastic layer is laid between the pressure-resistant layer and the insulating layer, the thickness of the plastic layer is smaller than that of the pressure-resistant layer, and the thickness of the plastic layer is greater than that of the insulating layer.

In a preferred embodiment, the insulating layer is laid inside the plastic layer, and the insulating layer is made of natural resin.

Compared with the prior art, the utility model has the beneficial effects that:

according to the extrusion-resistant and deformation-resistant low-voltage power cable, the compression-resistant layer is arranged, and the pressure applied to the compression-resistant layer is absorbed by the regular hexagonal compression-resistant layer, so that the condition that the cable core of the low-voltage power cable is cracked or broken due to extrusion force when the low-voltage power cable is extruded is avoided, and the low-voltage power cable is protected;

according to the extrusion-resistant and deformation-resistant low-voltage power cable, the plastic layer is arranged, so that when the signal wire is bent for multiple times for use, the plastic layer can protect the bent part of the signal wire, the problem that the same part of the signal wire is broken due to multiple bending is avoided, the effect of protecting the signal wire is achieved, and the service life of the low-voltage power cable is greatly prolonged;

the extrusion-resistant deformation-resistant low-voltage power cable is provided with the anticorrosive coating, so that the problem that the low-voltage power cable is damaged due to slow corrosion in long-term use of the low-voltage power cable is solved, and the chemical corrosion resistance of the low-voltage power cable is improved;

this low voltage power cable of resistance to extrusion resistance to deformation, through setting up the wearing layer, synthetic rubber can be in low voltage power cable's long-time use, through the good stand wear resistance of wear resistant rubber, avoided taking place the phenomenon that the friction can make low voltage power cable outside appearance wearing and tearing because of low voltage power cable's outside to low voltage power cable's stand wear resistance has been improved.

This low pressure power cable of resistance to extrusion resistance to deformation through setting up the flame retardant coating, can be in low pressure power cable's use, and is thermal-insulated to low pressure power cable inside, has avoided low pressure power cable in the use, very easily leads to low pressure power cable's shell to be melted because of outside too high temperature, causes the problem of damage to inside wire to low pressure power cable's high temperature resistance has been improved.

Drawings

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

FIG. 2 is a side cross-sectional view of the structure of the present invention;

fig. 3 is a front view of a signal line in the present invention.

In the figure: 1. a low voltage power cable body; 2. anticorrosive paint; 3. a wear layer; 4. a fire barrier layer; 5. a pressure resistant layer; 6. a plastic layer; 7. an insulating layer; 8. a soft rubber sleeve; 9. and a signal line.

Detailed Description

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

The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1, 2 and 3, the utility model provides an extrusion-resistant and deformation-resistant low-voltage power cable, which includes a low-voltage power cable body 1, in order to improve the corrosion resistance of the low-voltage power cable, a flexible rubber sleeve 8 is fixedly sleeved inside the low-voltage power cable body 1, a signal line 9 is fixedly sleeved inside the flexible rubber sleeve 8, a filling layer is arranged inside the low-voltage power cable body 1, the filling layer includes an anti-corrosion coating 2, a wear-resistant layer 3, a fire-proof layer 4, a pressure-resistant layer 5, a plastic layer 6 and an insulating layer 7, the wear-resistant layer 3, the fire-resistant layer 4, the pressure-resistant layer 5, the plastic layer 6 and the insulating layer 7 are bonded through an adhesive, the insulating layer 7 is laid inside the plastic layer 6, the insulating layer 7 is made of natural resin, the anti-corrosion coating 2 is arranged outside the wear-resistant layer 3, the anti-corrosion coating 2 is sprayed outside the wear-resistant layer 3, and the anti-corrosion coating 2 is made of anti-corrosion paint, the anticorrosion paint is sprayed outside the low-voltage power cable body 1, so that the low-voltage power cable is prevented from being corroded slowly in long-term use, the problem that the low-voltage power cable is damaged is caused, and the chemical corrosion resistance of the low-voltage power cable is improved.

Please refer to fig. 2, in order to improve the wear resistance of the low voltage power cable, the wear-resistant layer 3 can be disposed outside the fire-proof layer 4, the wear-resistant layer 3 is laid between the anticorrosive coating 2 and the fire-proof layer 4, the wear-resistant layer 3 is made of synthetic rubber, the synthetic rubber can be used for a long time in the process of using the low voltage power cable, and through the good wear resistance of the wear-resistant rubber, the phenomenon that the low voltage power cable is worn due to the friction generated outside the low voltage power cable is avoided, so that the wear resistance of the low voltage power cable is improved.

Please refer to fig. 2, in order to improve the high temperature resistance of the low voltage power cable, the fireproof layer 4 may be disposed outside the anti-pressure layer 5, the fireproof layer 4 is laid between the wear layer 3 and the anti-pressure layer 5, the fireproof layer 4 is made of a flame retardant rubber plate, and when a fire disaster occurs in the use process of the low voltage power cable, the inside of the low voltage power cable is insulated, thereby avoiding the problem that the outer shell of the low voltage power cable is easily melted due to the excessively high temperature outside and the inner wires are damaged, and thus improving the high temperature resistance of the low voltage power cable.

Please refer to fig. 2, in order to provide protection for the low voltage power cable, the anti-pressure layer 5 can be disposed outside the plastic layer 6, the anti-pressure layer 5 is laid between the fireproof layer 4 and the plastic layer 6, the anti-pressure layer 5 is made of the regular hexagon soft rubber tube, and the anti-pressure layer 5 absorbs the pressure applied by the regular hexagon, so as to avoid the situation that the cable core of the low voltage power cable is cracked or broken due to the extrusion force when the cable core of the low voltage power cable receives the extrusion force, thereby providing protection for the low voltage power cable.

Referring to fig. 2 and 3, in order to improve the service life of the low voltage power cable, the plastic layer 6 may be disposed outside the insulating layer 7, the plastic layer 6 is disposed between the anti-pressure layer 5 and the insulating layer 7, the thickness of the plastic layer 6 is smaller than that of the anti-pressure layer 5, and the thickness of the plastic layer 6 is greater than that of the insulating layer 7, so that when the signal line 9 is bent for multiple times, the plastic layer 6 can protect the bent portion of the signal line 9, thereby avoiding the problem of breakage due to multiple bending of the same portion of the signal line 9, achieving the effect of protecting the signal line 9, and greatly improving the service life of the low voltage power cable.

The working principle and the using process of the utility model are as follows: firstly, the anticorrosion paint is sprayed on the exterior of the low-voltage power cable body 1, thereby avoiding the problem that the low-voltage power cable is slowly corroded to cause the low-voltage power cable to be damaged in long-term use, further improving the chemical corrosion resistance of the low-voltage power cable, then the synthetic rubber can prevent the outer part of the low-voltage power cable from being worn due to the friction of the outer part of the low-voltage power cable through the good wear resistance of the wear-resistant rubber in the long-term use process of the low-voltage power cable, thereby improving the wear resistance of the low-voltage power cable, immediately insulating the interior of the low-voltage power cable when a fire happens, avoiding the problem that the outer shell of the low-voltage power cable is easily melted due to the overhigh temperature of the outer part and the inner lead is damaged during the use of the low-voltage power cable, and further improving the high temperature resistance of the low-voltage power cable, at last, absorb the pressure that receives through regular hexagon's resistance to compression layer 5, avoided low voltage power cable core to receive the extrusion force when receiving the extrusion and take place the fracture or cracked condition, thereby for low voltage power cable provides the protection, can set up plastic layer 6 in the outside of insulating layer 7, make when signal line 9 multiple bending uses, plastic layer 6 can protect the bending of signal line 9, avoided taking place cracked problem because of signal line 9 same position multiple bending, thereby reach the effect of protecting signal line 9, make very big improvement low voltage power cable's life.

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

Claims

1. The utility model provides a low voltage power cable of resistant extrusion resistance to deformation, includes low voltage power cable body (1), its characterized in that: the interior of the low-voltage power cable body (1) is fixedly sleeved with a soft rubber sleeve (8), a signal wire (9) is fixedly sleeved in the soft rubber sleeve (8), a protective layer is arranged in the low-voltage power cable body (1), the protective layer comprises an anticorrosive paint (2), a wear-resistant layer (3), a fireproof layer (4), a compression-resistant layer (5), a plastic layer (6) and an insulating layer (7), the anticorrosive paint (2) is arranged outside the wear-resistant layer (3), the wear-resistant layer (3) is arranged outside the fireproof layer (4), the fireproof layer (4) is arranged outside the pressure-resistant layer (5), the pressure-resistant layer (5) is arranged outside the plastic layer (6), the plastic layer (6) is arranged outside the insulating layer (7), and the wear-resistant layer (3), the fireproof layer (4), the compression-resistant layer (5), the plastic layer (6) and the insulating layer (7) are bonded through an adhesive.

2. The low voltage power cable of claim 1, wherein said cable is characterized by: anticorrosive paint (2) spraying is in the outside of wearing layer (3), anticorrosive paint (2)'s material is anticorrosive paint.

3. The low voltage power cable of claim 1, wherein said cable is characterized by: the wear-resistant layer (3) is laid between the anticorrosive paint (2) and the fireproof layer (4), and the wear-resistant layer (3) is made of synthetic rubber.

4. The low voltage power cable of claim 1, wherein said cable is characterized by: the fireproof layer (4) is laid between the wear-resistant layer (3) and the pressure-resistant layer (5), and the fireproof layer (4) is made of a flame-retardant rubber plate.

5. The low voltage power cable of claim 1, wherein said cable is characterized by: the pressure-resistant layer (5) is laid between the fireproof layer (4) and the plastic layer (6), and the pressure-resistant layer (5) is made of a regular hexagon soft rubber pipe.

6. The low voltage power cable of claim 1, wherein said cable is characterized by: the plastic layer (6) is laid between the anti-pressure layer (5) and the insulating layer (7), the thickness value of the plastic layer (6) is smaller than that of the anti-pressure layer (5), and the thickness value of the plastic layer (6) is larger than that of the insulating layer (7).

7. The low voltage power cable of claim 1, wherein said cable is characterized by: the insulating layer (7) is paved inside the plastic layer (6), and the insulating layer (7) is made of natural resin.