CN216623860U

CN216623860U - Novel environment-friendly flame-retardant C-level cable

Info

Publication number: CN216623860U
Application number: CN202220255834.7U
Authority: CN
Inventors: 宁海勃; 胡东博
Original assignee: Yaguan Cable Group Co ltd
Current assignee: Yaguan Cable Group Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-05-27
Anticipated expiration: 2032-02-08

Abstract

The utility model relates to the technical field of cables, in particular to a novel environment-friendly flame-retardant C-level cable which comprises a main cable core and a secondary cable core, wherein a plurality of secondary cable cores are arranged outside the main cable core, a heat insulation layer is sleeved outside the secondary cable core, a plurality of groups of supporting columns matched with the secondary cable cores are arranged in the heat insulation layer, a flame-retardant layer is sleeved outside the heat insulation layer, a high-temperature-resistant layer is sleeved outside a metal armor layer, the flame retardance of the cable is increased by arranging a fireproof coating and the flame-retardant layer, the possibility of the cable burning in a fire scene is reduced, the influence of high temperature on the cable is reduced by arranging the high-temperature-resistant layer and the heat insulation layer, and the influence of the high temperature on the cable core is shared by parts which are not subjected to the high temperature by arranging a heat conduction column to uniformly disperse the high temperature.

Description

Novel environment-friendly flame-retardant C-level cable

Technical Field

The utility model relates to the technical field of cables, in particular to a novel environment-friendly flame-retardant C-level cable.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires is insulated from each other and often twisted around a center, the whole outer surface is wrapped with a highly insulating covering layer, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multiple wire and insulating layer for connecting circuits, electric appliances, etc. The flame retardance of the existing cable is poor, the cable is easy to burn when a fire disaster happens, the potential safety hazard of a fire scene is increased, the cable core inside the fire scene is seriously influenced along with the rise of the temperature of the fire scene, and the cable core is not beneficial to maintaining the power utilization requirements of fire scene illumination and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing cable has poor flame retardance, is easy to burn in case of fire to increase the potential safety hazard of a fire scene, and has the defects that the cable core inside is seriously influenced along with the rise of the temperature of the fire scene and is not beneficial to maintaining the power consumption requirements of fire scene illumination and the like, and the novel environment-friendly flame-retardant C-level cable is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a novel fire-retardant C level cable of environmental protection, includes main cable core and inferior cable core, the outside of main cable core is provided with stranded inferior cable core, the outside cover of inferior cable core is equipped with the insulating layer, be provided with a plurality of groups and inferior cable core matched with support column in the insulating layer, the outside cover of insulating layer is equipped with fire-retardant layer, the outer wall cover on fire-retardant layer is equipped with metal armor, metal armor's outside cover is equipped with high temperature resistant layer, the outside cover on high temperature resistant layer is equipped with the wearing layer.

Preferably, main cable core and inferior cable core are C level steel core crosslinked sinle silk, the outer wall of wearing layer is scribbled and is equipped with fire protection coating.

Preferably, the inside of support column all is provided with the connecting hole, be provided with the heat conduction post in the connecting hole.

Preferably, the inner wall circumference on high temperature resistant layer is provided with a plurality of groups of recesses, all be provided with fire extinguishing agent in the recess, high temperature resistant layer is low smoke and zero halogen insulating material.

The novel environment-friendly flame-retardant C-level cable provided by the utility model has the beneficial effects that: the fire resistance of the cable is improved by arranging the fireproof coating and the flame-retardant layer, the possibility of the cable burning in a fire scene is reduced, the influence of high temperature on the cable is reduced by arranging the high temperature resistant layer and the heat insulation layer, and the high temperature borne by the support column is uniformly dispersed by arranging the heat conduction column, so that the part which is not subjected to the high temperature shares the influence of partial temperature reduction on the cable core; the structure is simple, the practicability is strong, the structure is strong, and the popularization is suitable.

Drawings

Fig. 1 is a schematic structural view of a novel environment-friendly flame-retardant C-level cable provided by the utility model.

In the figure: 1. a main cable core; 2. a secondary cable core; 3. a thermal insulation layer; 4. a support pillar; 5. a flame retardant layer; 6. a metal armor layer; 7. a high temperature resistant layer; 8. a wear layer; 9. a fire-retardant coating; 10. a heat-conducting column; 11. and (4) a groove.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, a novel fire-retardant C level cable of environmental protection, including main cable core 1 and inferior cable core 2, the outside of main cable core 1 is provided with stranded inferior cable core 2, the outside cover of inferior cable core 2 is equipped with insulating layer 3, be provided with a plurality of groups and inferior cable core 2 matched with support column 4 in the insulating layer 3, the outside cover of insulating layer 3 is equipped with fire-retardant layer 5, the outer wall cover of fire-retardant layer 5 is equipped with metal armor 6, the outside cover of metal armor 6 is equipped with high temperature resistant layer 7, the outside cover of high temperature resistant layer 7 is equipped with wearing layer 8, through setting up the fire resistance that fire-retardant layer 5 increases the cable, reduce its possibility in the scene of a fire burning, reduce the influence of high temperature to the cable through setting up high temperature resistant layer 7 and insulating layer 3.

Main cable core 1 and inferior cable core 2 are C level steel core crosslinked core, and the outer wall of wearing layer 8 is scribbled and is equipped with fire protection coating 9, increases the fire resistance of cable through setting up fire protection coating 9.

The inside of support column 4 all is provided with the connecting hole, is provided with heat conduction post 10 in the connecting hole, through setting up the high temperature homodisperse that heat conduction post 10 received support column 4, makes the part that does not receive the high temperature share partial temperature and reduce the influence to the cable core.

The inner wall circumference of high temperature resistant layer 7 is provided with a plurality of groups of recesses 11, all is provided with fire extinguishing agent in the recess 11, and high temperature resistant layer 7 is low smoke and zero halogen insulating material, and fire extinguishing agent can scatter when the 7 losses of high temperature resistant layer of cable and put out the impaired degree that reduces the cable to the flame near cable.

According to the utility model, when the cable is used, the flame retardance of the cable is increased by arranging the flame retardant layer 5, the possibility of burning of the cable in a fire scene is reduced, the influence of high temperature on the cable is reduced by arranging the high temperature resistant layer 7 and the heat insulation layer 3, the flame retardance of the cable is increased by arranging the fireproof coating 9, the high temperature borne by the support column 4 is uniformly dispersed by arranging the heat conduction column 10, the part which is not subjected to the high temperature shares the influence of partial temperature reduction on a cable core, when the high temperature resistant layer 7 of the cable is worn, a fire extinguishing agent can be scattered to extinguish flame near the cable, the damage degree of the cable is reduced, and the high temperature resistant layer 7 is a low-smoke zero-insulation material and is more environment-friendly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a novel fire-retardant C level cable of environmental protection, includes main cable core (1) and inferior cable core (2), its characterized in that, the outside of main cable core (1) is provided with stranded inferior cable core (2), the outside cover of inferior cable core (2) is equipped with insulating layer (3), be provided with a plurality of groups and inferior cable core (2) matched with support column (4) in insulating layer (3), the outside cover of insulating layer (3) is equipped with fire-retardant layer (5), the outer wall cover of fire-retardant layer (5) is equipped with metal armor (6), the outside cover of metal armor (6) is equipped with high temperature resistant layer (7), the outside cover of high temperature resistant layer (7) is equipped with wearing layer (8).

2. The novel environment-friendly flame-retardant C-grade cable according to claim 1, wherein the main cable core (1) and the secondary cable core (2) are both C-grade steel core crosslinked wire cores, and the outer wall of the wear-resistant layer (8) is coated with a fireproof coating (9).

3. The novel environment-friendly flame-retardant class-C cable as claimed in claim 1, wherein connecting holes are formed in the supporting columns (4), and heat-conducting columns (10) are arranged in the connecting holes.

4. A novel environment-friendly flame-retardant C-level cable according to claim 1, wherein the inner wall circumference of the high temperature resistant layer (7) is provided with a plurality of groups of grooves (11), the grooves (11) are all internally provided with a fire extinguishing agent, and the high temperature resistant layer (7) is made of a low smoke zero halogen insulating material.