CN210271887U - High-temperature-resistant wire cable - Google Patents

Abstract

The utility model discloses a high temperature resistant wire and cable, which comprises a cable body, the internal surface of cable body is provided with the polyvinyl chloride resin layer, the inboard parcel on polyvinyl chloride resin layer has insulating inoxidizing coating, the inboard parcel of insulating inoxidizing coating has high temperature resistant layer. The utility model discloses an increase polyvinyl chloride resin layer and insulating protective layer in the inside of cable and can improve the whole heat-proof quality of cable, the intensity of cable has obtained the promotion on original basis simultaneously, can prevent the cable surface electric leakage with insulating material setting inside the cable, prevent the conflagration, reduce the potential safety hazard, can increase the high temperature resistance ability of cable through the high temperature resistant layer, the high temperature resistant layer adopts current thermal insulation material preparation simultaneously, the fireproof heat-proof quality is better, solved simultaneously because structural design is unreasonable, the inside overheat phenomenon that appears easily of cable, cable itself does not have high temperature resistance ability, the too high problem that causes the conflagration easily of heat.

Description

High-temperature-resistant wire cable

Technical Field

The utility model relates to the technical field of cables, specifically be a high temperature resistant wire and cable.

Background

At present, most of voltage grades of fire-resistant power cable products are concentrated on 1KV and below, if 0.6/1KV low-voltage power distribution is adopted conventionally, the cable consumption and the laying and installation workload of medium-high voltage power supply circuits used by fire protection systems of key parts of super-large high-rise buildings, national large-scale key projects, transformer substations, power plants, chemical engineering, subways and the like are increased by dozens of times compared with common buildings, the cable laying space is increased by several times, both consumables and energy consumption are consumed, excessive and overlarge cable laying in the buildings can bring adverse effects to safe use, therefore, high-voltage fire-resistant power cables must be used in occasions requiring medium-high voltage power distribution and flame-retardant fire resistance, the existing cables are unreasonable in structural design, easy to generate overheating phenomena in the cables, and have no high-temperature resistance, the fire is easily caused by overhigh heat, and the potential safety hazard is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant wire and cable possesses high temperature resistance's advantage, has solved because structural design is unreasonable, and the cable is inside to appear overheated phenomenon easily, and cable itself does not have high temperature resistance, and the too high problem that causes the conflagration easily of heat.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant wire and cable, includes the cable body, the internal surface of cable body is provided with the polyvinyl chloride resin layer, the inboard parcel on polyvinyl chloride resin layer has insulating inoxidizing coating, the inboard parcel on insulating inoxidizing coating has high temperature resistant layer, the inboard parcel on high temperature resistant layer has the cable core, insulating inoxidizing coating includes fire-retardant layer, insulating layer and waterproof layer, the internal surface parcel on fire-retardant layer has the insulating layer, the internal surface parcel of insulating layer has the waterproof layer.

Preferably, the outer surface of the cable core is wrapped with a wrapping layer, and the wrapping layer is formed by weaving metal mesh wires.

Preferably, the interior of the high temperature resistant layer is made of a low smoke halogen-free material, and the polyvinyl chloride resin layer is made of a fireproof heat-insulating material.

Preferably, the cable core is internally provided with an aluminum alloy conductor, and the aluminum alloy conductor is formed by twisting aluminum alloy wires.

Preferably, the thickness of the inner wall of the cable body is three millimeters to six millimeters, and the surface of the cable body is wrapped by the insulating material.

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

1. the utility model discloses an increase polyvinyl chloride resin layer and insulating protective layer in the inside of cable and can improve the whole heat-proof quality of cable, the intensity of cable has obtained the promotion on original basis simultaneously, can prevent the cable surface electric leakage with insulating material setting inside the cable, prevent the conflagration, reduce the potential safety hazard, can increase the high temperature resistance ability of cable through the high temperature resistant layer, the high temperature resistant layer adopts current thermal insulation material preparation simultaneously, the fireproof heat-proof quality is better, solved simultaneously because structural design is unreasonable, the inside overheat phenomenon that appears easily of cable, cable itself does not have high temperature resistance ability, the too high problem that causes the conflagration easily of heat.

2. The utility model discloses an increase fire-retardant layer, insulating layer and waterproof layer in insulating inoxidizing coating's inside and can also improve fire behavior in insulating, can not produce the burning immediately when meetting the conflagration, can not release toxic gas simultaneously, have nontoxic harmless advantage, and increase the water proof membrane in inside, can avoid inside infiltration and take place the electric leakage, prolonged the life of cable.

Drawings

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

fig. 2 is a sectional view of the internal structure of the insulating protective layer of the present invention.

In the figure: 1. a cable body; 2. a polyvinyl chloride resin layer; 3. an insulating protective layer; 4. a high temperature resistant layer; 5. a cable core; 6. a flame retardant layer; 7. an insulating layer; 8. and a waterproof layer.

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 herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a high temperature resistant electric wire and cable includes a cable body 1, the thickness of the inner wall of the cable body 1 is three mm to six mm, and the surface is wrapped by an insulating material, a polyvinyl chloride resin layer 2 is disposed on the inner surface of the cable body 1, an insulating protective layer 3 is wrapped on the inner side of the polyvinyl chloride resin layer 2, the flame retardant layer 6, an insulating layer 7 and a waterproof layer 8 are added in the insulating protective layer 3 to improve the fire resistance while insulating, so that the cable does not burn immediately in case of fire and does not release toxic gas, thereby having the advantages of non-toxicity and harmlessness, and a waterproof film is added in the cable to prevent internal water leakage and prolong the service life of the cable, the high temperature resistant layer 4 is wrapped on the inner side of the insulating protective layer 3, the high temperature resistant layer 4 is made of low smoke and halogen-free material, and the polyvinyl chloride resin layer 2 is made, the cable core 5 is wrapped on the inner side of the high-temperature resistant layer 4, the wrapping layer is wrapped on the outer surface of the cable core 5 and is woven by metal mesh wires, an aluminum alloy conductor is arranged inside the cable core 5 and is formed by twisting the aluminum alloy wires, the insulating protective layer 3 comprises a flame-retardant layer 6, an insulating layer 7 and a waterproof layer 8, the insulating layer 7 is wrapped on the inner surface of the flame-retardant layer 6, the waterproof layer 8 is wrapped on the inner surface of the insulating layer 7, the overall heat-insulating performance of the cable can be improved by adding the polyvinyl chloride resin layer 2 and the insulating protective layer 3 inside the cable, meanwhile, the strength of the cable is improved on the original basis, the electric leakage on the surface of the cable can be prevented by arranging an insulating material inside the cable, the fire disaster is prevented, the potential safety hazard is reduced, the high-temperature resistant performance of the cable can be improved by the high-temperature, the fireproof and heat-insulating performance is better, and the problems that due to the fact that the structural design is unreasonable, the cable is easy to overheat, the cable does not have high-temperature resistance, and fire disasters are easily caused due to overhigh heat are solved.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods such as thermal welding, ultrasonic welding, flux, welding, and fusion crimping, and no specific description is made here.

When in use, the polyvinyl chloride resin layer 2 and the insulating protection layer 3 are added in the cable to improve the integral heat-insulating property of the cable, meanwhile, the strength of the cable is improved on the basis of the prior art, the insulating material is arranged in the cable, the surface of the cable can be prevented from electric leakage, fire disasters can be prevented, potential safety hazards are reduced, the high temperature resistance of the cable can be improved through the high temperature resistant layer 4, meanwhile, the high temperature resistant layer 4 is made of the existing heat insulation material, the fireproof and heat insulation performance is better, the fireproof performance can be improved while the insulation is realized by adding the flame retardant layer 6, the insulating layer 7 and the waterproof layer 8 in the insulating protective layer 3, can not immediately generate combustion in case of fire, can not release toxic gas, has the advantages of no toxicity and no harm, and the waterproof membrane is added in the cable, so that the phenomenon of electric leakage caused by water seepage in the cable can be avoided, and the service life of the cable is prolonged.

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 (5)

1. A high temperature resistant wire and cable, includes cable body (1), its characterized in that: the internal surface of cable body (1) is provided with polyvinyl chloride resin layer (2), the inboard parcel of polyvinyl chloride resin layer (2) has insulating inoxidizing coating (3), the inboard parcel of insulating inoxidizing coating (3) has high temperature resistant layer (4), the inboard parcel of high temperature resistant layer (4) has cable core (5), insulating inoxidizing coating (3) are including fire-retardant layer (6), insulating layer (7) and waterproof layer (8), the internal surface parcel of fire-retardant layer (6) has insulating layer (7), the internal surface parcel of insulating layer (7) has waterproof layer (8).

2. A high temperature resistant wire cable according to claim 1, wherein: the outer surface of the cable core (5) is wrapped with a wrapping layer, and the wrapping layer is formed by weaving metal mesh wires.

3. A high temperature resistant wire cable according to claim 1, wherein: the interior of the high temperature resistant layer (4) is made of low-smoke halogen-free materials, and the polyvinyl chloride resin layer (2) is made of fireproof and heat-insulating materials.

4. A high temperature resistant wire cable according to claim 1, wherein: the cable comprises a cable core (5) and is characterized in that an aluminum alloy conductor is arranged in the cable core (5), and the aluminum alloy conductor is formed by twisting aluminum alloy wires.

5. A high temperature resistant wire cable according to claim 1, wherein: the thickness of the inner wall of the cable body (1) is three millimeters to six millimeters, and the surface of the cable body is wrapped by insulating materials.

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