CN216697923U

CN216697923U - Moisture-proof insulating flame-retardant fire-resistant cable

Info

Publication number: CN216697923U
Application number: CN202123246977.6U
Authority: CN
Inventors: 刘军; 陈志刚; 吴俊�
Original assignee: Wuxi Jiangnan Cable Co Ltd
Current assignee: Wuxi Jiangnan Cable Co Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-07
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a moisture-proof insulating flame-retardant fire-resistant cable, which comprises a cable main body, wherein the cable main body consists of a central structure, an internal structure and an external structure, the inner structure is wound on the surface of the central structure, the outer structure is wound on the surface of the inner structure, the utility model has reasonable structure, the design of the flame-retardant filling layer can inhibit or delay combustion, play the guard action to the cable core, the anticorrosive coating can prevent that the cable core from being corroded, then lead to cable main body's use to appear influencing, the design of insulating layer can be kept apart outside high temperature, avoid the high temperature to cause the influence to cable main body's normal use, the good heat resistance that fire protection coating itself has, chemical inertia and excellent insulation stability and low friction nature, promote the protective capacities of cable main body itself by a wide margin, waterproof coating's design can prevent that the rainwater from getting into cable main body inside to cause the influence to the cable core.

Description

Moisture-proof insulating flame-retardant fire-resistant cable

Technical Field

The utility model relates to the related technical field of cables, in particular to a moisture-proof insulating flame-retardant fire-resistant cable.

Background

The cable is a device for transmitting electric power and signals, the electric wire and the cable are the most important components of an electric power circuit, along with the increasing demand of electric power and the increasing complexity of the application field, how to improve the flame-retardant and fire-resistant performance of the electric wire and the cable is a precondition for ensuring the reliable service of the electric wire and the cable and the safe operation of the electric power circuit, and the cable is an extremely important link and has important significance. The laying of power cable in underground works such as subway, the environment is comparatively dark moist, makes the cable influence its signal transmission because of weing easily to underground space is relatively airtight, can have a large amount of dense smoke to diffuse if take place the conflagration, and the harm is great, consequently will have higher humidity resistance and fire behaviour to the cable.

The protective ability of current cable is single, and because of external environment factor's influence, exposes for a long time and can cause the damage to cable itself outward, leads to the potential safety hazard to appear then in the cable, and the cable can reduce the life of cable itself after receiving the damage, and it is relatively poor to cut moisture resistance and fire behaviour, for this reason, provides a dampproofing insulating fire-retardant fire resisting cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a moisture-proof insulating flame-retardant fire-resistant cable so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire-retardant fire resisting cable of dampproofing insulation, includes cable body, cable body comprises central structure, inner structure and outer structure, inner structure is around locating the central structure surface, outer structure is around locating the inner structure surface, central structure comprises cable core, fire-retardant filling layer, anticorrosive coating and around the covering, inner structure is by shielding layer, insulating layer and insulating layer, outer structure comprises fire prevention coating and steel band armor.

As a further preferred mode of the technical scheme, the cable core is formed by twisting a plurality of copper wires, a flame-retardant filling layer is arranged on the surface of the cable core, the anti-corrosion layer is wound on the surface of the flame-retardant filling layer, and the winding layer is wound on the surface of the anti-corrosion layer.

As a further preferred aspect of this technical solution, the shielding layer is wound around the surface of the wrapping layer, the thermal insulation layer is wound around the surface of the shielding layer, and the insulation layer is wound around the surface of the thermal insulation layer.

As a further preferable mode of the technical solution, the fireproof coating is coated on the surface of the insulating layer, and the steel tape armor is wound on the surface of the fireproof coating.

As a further preferable mode of the present invention, a tensile layer is provided on a surface of the central structure.

As a further preferred feature of the present invention, a surface of the inner structure is provided with a reinforcing layer.

As a further preferable mode of the present technical solution, a wear-resistant coating is coated on a surface of the outer structure, and a waterproof coating is coated on a surface of the wear-resistant coating.

The utility model provides a moistureproof insulating flame-retardant fire-resistant cable which has the following beneficial effects:

(1) the cable provided by the utility model has a reasonable structure, the flame-retardant filling layer can inhibit or delay combustion and protect the cable core, the corrosion-resistant layer can prevent the cable core from being corroded, so that the use of the cable main body is affected, and the heat-insulating layer can isolate external high temperature, so that the influence of high temperature on the normal use of the cable main body is avoided.

(2) Good heat resistance that fire protection coating itself has, chemical inertness and excellent insulation stability and low friction nature, promote the protective capacities of cable main part itself by a wide margin, the tensile strength of cable main part can be promoted to the tensile layer, the enhancement layer can promote the intensity of cable main part, wear-resistant coating can promote the life of cable main part, waterproof coating's design can prevent that the rainwater from getting into the inside cable core that causes the influence of cable main part, effectively promote the humidity resistance of cable main part.

Drawings

FIG. 1 is a schematic structural view of a cable body according to the present invention;

FIG. 2 is a schematic view of the central structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is an external structural view of the present invention.

In the figure: 1. a cable body; 2. a central structure; 201. a cable core; 202. a flame retardant filler layer; 203. an anticorrosive layer; 204. wrapping a covering; 3. an internal structure; 301. a shielding layer; 302. a thermal insulation layer; 303. an insulating layer; 4. an outer structure; 401. a fire-retardant coating; 402. steel tape armoring; 5. a tensile layer; 6. a reinforcing layer; 7. a wear-resistant coating; 8. and (3) a waterproof coating.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the present invention provides the technical solutions: the utility model provides a fire-retardant fire resisting cable of dampproofing insulation, including cable main body 1, cable main body 1 is by central structure 2, inner structure 3 and outer structure 4 are constituteed, inner structure 3 is around locating central structure 2 surfaces, outer structure 4 is around locating inner structure 3 surfaces, central structure 2 is by cable core 201, fire-retardant filling layer 202, anticorrosive coating 203 and constitute around covering 204, inner structure 3 is by shielding layer 301, insulating layer 302 and insulating layer 303, outer structure 4 comprises fire protection coating 401 and steel tape armoring 402.

In this embodiment, specifically: cable core 201 is formed by many copper wires transposition, cable core 201's surface is provided with fire-retardant filling layer 202, anticorrosive coating 203 is around locating fire-retardant filling layer 202 surface, around covering 204 around locating anticorrosive coating 203 surface, fire-retardant filling layer 202 is fire-retardant polypropylene material, anticorrosive coating 203 is the polyurea material, the design of fire-retardant filling layer 202 can restrain or delay the burning, play the guard action to cable core 201, anticorrosive coating 203 can prevent that cable core 201 from being corroded, then lead to cable main part 1's use to appear influencing.

In this embodiment, specifically: shielding layer 301 is around locating around covering 204 surface, and insulating layer 302 is around locating shielding layer 301 surface, and insulating layer 303 is around locating insulating layer 302 surface, and insulating layer 302 is the asbestos material, and the design of insulating layer 302 can be kept apart outside high temperature, avoids high temperature to cause the influence to the normal use of cable main body 1.

In this embodiment, specifically: fireproof coating 401 scribbles and locates the insulating layer 303 surface, and steel band armor 402 is around locating fireproof coating 401 surface, and fireproof coating 401 is the teflon material, and good heat resistance, chemical inertness and excellent insulation stability and low friction that fireproof coating 401 itself has promote the protective capacities of cable body 1 itself by a wide margin.

In this embodiment, specifically: 2 surfaces of central structure are provided with tensile layer 5, inner structure 3's surface is provided with enhancement layer 6, outer structure 4's surface is scribbled and is equipped with wear-resistant coating 7, wear-resistant coating 7's surface is scribbled and is equipped with waterproof coating 8, tensile layer 5 is the metal material, can promote cable main body 1's tensile strength, enhancement layer 6 is the carbon fiber material, can promote cable main body 1's intensity, wear-resistant coating 7 is the ceramic particle material, can promote cable main body 1's life, waterproof coating 8 is the acrylic acid material, waterproof coating 8's design can prevent that the rainwater from getting into cable main body 1 inside and causing the influence to cable core 201.

The working principle is as follows: the design of fire-retardant filling layer 202 can restrain or postpone the burning, play the guard action to cable core 201, anticorrosive coating 203 can prevent that cable core 201 from being corroded, then lead to cable main body 1's use to appear influencing, the design of insulating layer 302 can keep apart outside high temperature, avoid high temperature to cause the influence to cable main body 1's normal use, the good heat resistance that fire prevention coating 401 itself has, chemical inertness and excellent insulation stability and low friction nature, promote the protective capacities of cable main body 1 itself by a wide margin, tensile strength that tensile layer 5 can promote cable main body 1, enhancement layer 6 can promote cable main body 1's intensity, wear-resistant coating 7 can promote cable main body 1's life, waterproof coating 8's design can prevent that the rainwater from getting into cable main body 1 inside to cause the influence to cable core 201.

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 dampproofing fire-retardant fire resisting cable of insulation, its characterized in that, includes cable main body (1), cable main body (1) comprises central structure (2), inner structure (3) and exterior structure (4), inner structure (3) are around locating central structure (2) surface, exterior structure (4) are around locating inner structure (3) surface, central structure (2) comprise cable core (201), fire-retardant filling layer (202), anticorrosive coating (203) and around covering (204), inner structure (3) are by shielding layer (301), insulating layer (302) and insulating layer (303), exterior structure (4) comprise fire prevention coating (401) and steel band armor (402).

2. The moisture-proof insulating flame-retardant fire-resistant cable according to claim 1, wherein: the cable core (201) is formed by the transposition of many copper lines, the surface of cable core (201) is provided with fire-retardant filling layer (202), anticorrosive coating (203) are around locating fire-retardant filling layer (202) surface, around covering (204) around locating anticorrosive coating (203) surface.

3. The moisture-proof insulating flame-retardant fire-resistant cable according to claim 1, wherein: the shielding layer (301) is wound on the surface of the winding layer (204), the heat insulation layer (302) is wound on the surface of the shielding layer (301), and the insulation layer (303) is wound on the surface of the heat insulation layer (302).

4. The moisture-proof insulating flame-retardant fire-resistant cable according to claim 1, wherein: the fireproof coating (401) is coated on the surface of the insulating layer (303), and the steel tape armor (402) is wound on the surface of the fireproof coating (401).

5. The moisture-proof insulating flame-retardant fire-resistant cable according to claim 1, wherein: and the surface of the central structure (2) is provided with a tensile layer (5).

6. The moisture-proof insulating flame-retardant fire-resistant cable according to claim 1, wherein: the surface of the inner structure (3) is provided with a reinforcing layer (6).

7. The moisture-proof insulating flame-retardant fire-resistant cable according to claim 1, wherein: the surface of the external structure (4) is coated with a wear-resistant coating (7), and the surface of the wear-resistant coating (7) is coated with a waterproof coating (8).