CN213601677U

CN213601677U - A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable

Info

Publication number: CN213601677U
Application number: CN202022844809.6U
Authority: CN
Inventors: 张平凡; 杨全法; 张盼锋; 张钰涛
Original assignee: Shaanxi Xite Cable Co ltd
Current assignee: Shaanxi Xite Cable Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-02
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a fire-retardant low smoke and zero halogen environment-friendly flexible cable of A class, comprising a base layer, the inner wall fixedly connected with cable core of basic unit, the fixed surface of basic unit is connected with the filling layer, the fixed surface of filling layer is connected with the inoxidizing coating, the fixed surface of inoxidizing coating is connected with fire-retardant layer, the inoxidizing coating includes the insulating layer, the fixed surface of insulating layer is connected with high temperature resistant layer, fire-retardant layer includes first flame retardant coating. The utility model discloses possess the effectual advantage of fire prevention and high temperature resistance, solved current flexible cable, in the use, cable surface's fire behavior is not good, leads to when the conflagration breaing out, and cable material produces the combustion phenomenon easily to give off a large amount of toxic gases and dense cigarette, seriously endanger environment and health, and because single structure, cable surface's high temperature resistance can be relatively poor, reduced flexible cable life's problem.

Description

A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable

Technical Field

The utility model relates to the technical field of cables, specifically be the fire-retardant low smoke and zero halogen environment-friendly flexible cable of A class.

Background

Typically a cable like rope made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from each other and usually twisted around a center, and being entirely surrounded by a highly insulating covering, the cable being characterized by internal electrical conduction and external insulation.

The existing flexible cable has poor fireproof performance on the surface of the cable in the using process, so that the cable material is easy to burn when a fire disaster happens, a large amount of toxic gas and dense smoke are emitted, the environment and the human health are seriously harmed, and the service life of the flexible cable is shortened because the cable has a single structure and poor high-temperature resistance on the surface of the cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant low smoke and zero halogen environment-friendly flexible cable of A class possesses the fire prevention and the effectual advantage of high temperature resistant, has solved current flexible cable, in the use, cable surface's fire behavior is not good, lead to when the conflagration breaing out, cable material produces the combustion phenomenon easily, thereby give off a large amount of toxic gases and dense cigarette, seriously harm environment and health, and because single structure, cable surface's high temperature resistant performance is relatively poor, flexible cable life's problem has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: fire-retardant low smoke and zero halogen environment-friendly flexible cable of A class, including the basic unit, the inner wall fixedly connected with cable core of basic unit, the surface fixedly connected with filling layer of basic unit, the surface fixedly connected with inoxidizing coating of filling layer, the fire-retardant layer of surface fixedly connected with of inoxidizing coating, the inoxidizing coating includes the insulating layer, the surface fixedly connected with high temperature resistant layer of insulating layer, fire-retardant layer includes first flame retardant coating, the surface fixedly connected with second flame retardant coating of first flame retardant coating.

Preferably, the filling layer comprises a shielding layer, and a corrosion-resistant layer is fixedly connected to the outer surface of the shielding layer.

Preferably, the shielding layer is made of aluminum foil, and the corrosion-resistant layer is made of glass fiber ropes.

Preferably, the insulating layer is made of cross-linked polyethylene, and the high-temperature resistant layer is made of ceramic fibers.

Preferably, the first fireproof layer is made of basalt fiber fireproof cloth, and the second fireproof layer is made of low-smoke halogen-free polyolefin.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a basic unit, the cable core, the filling layer, the inoxidizing coating, fire-retardant layer, the insulating layer, high temperature resistant layer, the cooperation of first flame retardant coating and second flame retardant coating, possess the fire prevention and the effectual advantage of high temperature resistant, current flexible cable has been solved, in the use, cable surface's fire behavior is not good, lead to when the conflagration breaing out, cable material produces the combustion phenomenon easily, thereby give off a large amount of toxic gases and dense cigarette, seriously harm environment and health, and because single structure, cable surface's high temperature resistant performance is relatively poor, flexible cable life's problem has been reduced.

2. The utility model discloses a set up first flame retardant coating and second flame retardant coating, can carry out the separation to flame when the conflagration breaing out, prevent that the intensity of a fire from stretching, can not produce dense cigarette simultaneously, effectively avoided the pollution that dense cigarette caused the environment, through setting up the insulating layer, increased the insulating properties of cable, through setting up the shielding layer, increased the interference killing feature of cable, through setting up corrosion resistant layer, promoted the corrosion resisting property of cable.

Drawings

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

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

fig. 3 is a schematic view of the cross-sectional structure of the flame retardant layer of the present invention.

In the figure: 1 base layer, 2 cable cores, 3 filling layers, 4 protective layers, 5 flame retardant layers, 6 insulating layers, 7 high temperature resistant layers, 8 first flame retardant layers, 9 second flame retardant layers, 10 shielding layers and 11 corrosion resistant layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-3, a class a flame-retardant low-smoke halogen-free environment-friendly flexible cable comprises a base layer 1, a cable core 2 is fixedly connected to the inner wall of the base layer 1, a filling layer 3 is fixedly connected to the outer surface of the base layer 1, the filling layer 3 comprises a shielding layer 10, the anti-interference performance of the cable is improved by arranging the shielding layer 10, a corrosion-resistant layer 11 is fixedly connected to the outer surface of the shielding layer 10, the corrosion-resistant performance of the cable is improved by arranging the corrosion-resistant layer 11, the shielding layer 10 is made of aluminum foil, the corrosion-resistant layer 11 is made of glass fiber rope, a protective layer 4 is fixedly connected to the outer surface of the filling layer 3, a flame-retardant layer 5 is fixedly connected to the outer surface of the protective layer 4, the protective layer 4 comprises an insulating layer 6, the insulating performance of the cable is improved by arranging the insulating layer 6, the material of the high temperature resistant layer 7 is ceramic fiber, the flame retardant layer 5 comprises a first fireproof layer 8, the outer surface of the first fireproof layer 8 is fixedly connected with a second fireproof layer 9, by arranging the first fireproof layer 8 and the second fireproof layer 9, flame can be separated when a fire disaster occurs, the fire intensity is prevented from spreading, meanwhile, dense smoke is not generated, the pollution of the dense smoke to the environment is effectively avoided, the material of the first fireproof layer 8 is basalt fiber fireproof cloth, the material of the second fireproof layer 9 is low-smoke halogen-free polyolefin, through the base layer 1, the cable core 2, the filling layer 3, the protective layer 4, the flame retardant layer 5, the insulating layer 6, the high temperature resistant layer 7, the matching of the first fireproof layer 8 and the second fireproof layer 9, the advantages of good fireproof and high temperature resistant effects are achieved, the existing flexible cable is solved, in the using process, the fireproof performance of the cable surface is not good, when the fire disaster occurs, the cable material is easy to generate a combustion phenomenon, so that a large amount of toxic gas and dense smoke are emitted, the environment and the human health are seriously harmed, and the problem of reducing the service life of the flexible cable is solved due to the single structure and the poor high-temperature resistance of the cable surface.

During the use, through setting up first flame retardant coating 8 and second flame retardant coating 9, can carry out the separation to flame when the conflagration breaing out, prevent that the intensity of a fire from stretching, can not produce dense cigarette simultaneously, effectively avoided the pollution that dense cigarette caused the environment, through setting up insulating layer 6, increased the insulating properties of cable, through setting up shielding layer 10, increased the interference killing feature of cable, through setting up corrosion resistant layer 11, promoted the corrosion resisting property of cable.

In summary, the following steps: this fire-retardant low smoke and zero halogen environment-friendly flexible cable of A class, through basic unit 1, the cable core 2, the filling layer 3, the inoxidizing coating 4, fire-retardant layer 5, insulating layer 6, high temperature resistant layer 7, the cooperation of first flame retardant coating 8 and second flame retardant coating 9, current flexible cable has been solved, in the use, cable surface's fire behavior is not good, lead to when the conflagration breaing out, cable material produces the burning phenomenon easily, thereby give off a large amount of toxic gas and dense cigarette, seriously harm environment and health, and because single structure, cable surface's high temperature resistant performance is relatively poor, flexible cable life's problem has been reduced.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable comprises a base layer (1) and is characterized in that: the inner wall fixedly connected with cable core (2) of basic unit (1), the fixed surface of basic unit (1) is connected with filling layer (3), the fixed surface of filling layer (3) is connected with inoxidizing coating (4), the fixed surface of inoxidizing coating (4) is connected with fire-retardant layer (5), inoxidizing coating (4) are including insulating layer (6), the fixed surface of insulating layer (6) is connected with high temperature resistant layer (7), fire-retardant layer (5) are including first flame retardant coating (8), the fixed surface of first flame retardant coating (8) is connected with second flame retardant coating (9).
2. The A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable according to claim 1, characterized in that: the filling layer (3) comprises a shielding layer (10), and the outer surface of the shielding layer (10) is fixedly connected with a corrosion-resistant layer (11).
3. The A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable according to claim 2, characterized in that: the shielding layer (10) is made of aluminum foil, and the corrosion-resistant layer (11) is made of glass fiber ropes.
4. The A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable according to claim 1, characterized in that: the insulating layer (6) is made of cross-linked polyethylene, and the high-temperature resistant layer (7) is made of ceramic fibers.
5. The A-type flame-retardant low-smoke halogen-free environment-friendly flexible cable according to claim 1, characterized in that: the first fireproof layer (8) is made of basalt fiber fireproof cloth, and the second fireproof layer (9) is made of low-smoke halogen-free polyolefin.