CN211376271U

CN211376271U - High-temperature-resistant wire cable

Info

Publication number: CN211376271U
Application number: CN201922289429.8U
Authority: CN
Inventors: 王培荣
Original assignee: 刘鸿斌
Current assignee: Shenyang Cable Co.,Ltd.
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-28
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a high temperature resistant wire and cable, which comprises a cable body, the internal surface parcel of cable body has the inoxidizing coating, the internal surface parcel of inoxidizing coating has the insulating layer, the inner wall parcel of insulating layer has the cable core, inside fire-retardant layer, around covering and the high temperature resistant layer of being provided with of inoxidizing coating. The utility model discloses an increase the inoxidizing coating and can increase the inside barrier propterty of cable on the surface of cable body, be difficult for producing corrosion damage, the insulating layer can strengthen cable sheath's insulating properties simultaneously, the circular telegram performance is more stable, increase the flame retardant property that flame retardant coating can the enhancement cable in the inside of inoxidizing coating, be difficult for producing the burning when meeting fire simultaneously, the loss has been reduced, and the effectual high temperature resistance who improves the cable in high temperature resistant layer, can be able to bear or endure 200~400 ℃ high temperature simultaneously, transmission stability is better, it is unreasonable owing to the refractory material and the structure that use to have solved current cable simultaneously, lead to the cable current-carrying capacity on the low.

Description

High-temperature-resistant wire cable

Technical Field

The utility model relates to a power cable technical field specifically is 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 transmission and distribution and flame-retardant fire resistance, the current cables have unreasonable current-carrying materials and structures, so that the cable capacity is low and the cable generates heat, the insulativity of the cable is easily reduced, the fire resistance is reduced, and great potential safety hazard exists in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant wire and cable possesses insulating good and the high advantage of high temperature resistant intensity, has solved current cable because the refractory material and the structure that use are unreasonable, lead to the cable current-carrying capacity to be on the low side, and the phenomenon of generating heat appears in the cable, makes the insulating decline of cable easily, the problem that the fire resistance intensity reduces.

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 parcel of cable body has the inoxidizing coating, the internal surface parcel of inoxidizing coating has the insulating layer, the inner wall parcel of insulating layer has the cable core, the inoxidizing coating is inside to be provided with fire-retardant layer, around covering and high temperature resistant layer, one side parcel on fire-retardant layer has around the covering, there is high temperature resistant layer around one side parcel of covering.

Preferably, the number of the cable cores is three, and mineral fillers are filled between the three cable cores and uniformly distributed on the surfaces of the cable cores.

Preferably, a waterproof layer and a water-blocking tape are arranged inside the wrapping layer, the waterproof layer is located on the outer side of the water-blocking tape, and the water-blocking tape is wrapped on the outer surface of the high-temperature-resistant layer in a spiral mode.

Preferably, the protective layer is made of a silicon rubber material, and the flame-retardant particles are filled in the flame-retardant layer.

Preferably, the thickness of the protective layer is three centimeters to five centimeters, and the thickness of the wrapping layer is one centimeter to one point five centimeters.

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

1. the utility model discloses an increase the inoxidizing coating and can increase the inside barrier propterty of cable on the surface of cable body, be difficult for producing corrosion damage, the insulating property that the insulating layer can strengthen the cable sheath simultaneously, the circular telegram performance is more stable, increase the flame retardant property that flame retardant coating can the enhancement cable in the inside of inoxidizing coating, simultaneously when meeting fire difficult production burning, the loss has been reduced, and the effectual high temperature resistance who improves the cable in high temperature resistant layer, can be able to bear or endure 200~400 ℃ high temperature simultaneously, transmission stability is better, the current cable has been solved simultaneously because the refractory material and the structure that use are unreasonable, lead to the cable current-carrying capacity to hang down partially, the phenomenon of generating heat appears in the cable, make the cable insulativity descend easily.

2. The utility model discloses an increasing waterproof layer and water-blocking area in the inside around the covering, can improving the waterproof performance of cable, the water-blocking area comprises the fiber material of waterproof material simultaneously, has very strong water-blocking performance, is difficult for producing the electric leakage.

Drawings

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

FIG. 2 is a sectional view of the internal structure of the protective layer of the present invention;

figure 3 is the utility model discloses around covering inner structure cross-sectional view.

In the figure: 1 cable body, 2 inoxidizing coatings, 3 insulating layers, 4 cable cores, 5 fire-retardant layers, 6 around covering, 7 high temperature resistant layers, 8 waterproof layers, 9 water-blocking tapes, 10 mineral substance filler.

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. 1-3, a high temperature resistant wire cable comprises a cable body 1, a protective layer 2 is wrapped on the inner surface of the cable body 1, the protective layer 2 is made of silicon rubber material, flame retardant particles are filled in the flame retardant layer 5, the thickness of the protective layer 2 is three centimeters to five centimeters, the thickness of the wrapping layer 6 is one centimeter to one point five centimeters, the inner surface of the protective layer 2 is wrapped with an insulating layer 3, a cable core 4 is wrapped on the inner wall of the insulating layer 3, the number of the cable cores 4 is three, mineral fillers 10 are filled between the three cable cores 4 and are uniformly distributed on the surface of the cable core 4, the flame retardant layer 5, the wrapping layer 6 and a high temperature resistant layer 7 are arranged in the protective layer 2, the wrapping layer 6 is wrapped on one side of the flame retardant layer 5, a waterproof layer 8 and a water blocking tape 9 are arranged in the wrapping layer 6, the waterproof layer 8 is positioned on the, the waterproof tape 9 is spirally wrapped on the outer surface of the high-temperature-resistant layer 7, the waterproof layer 8 and the waterproof tape 9 are additionally arranged inside the wrapping layer 6, the waterproof performance of the cable can be improved, meanwhile, the waterproof tape 9 is made of a fiber material made of a waterproof material, has strong waterproof performance and is not easy to generate electric leakage, the high-temperature-resistant layer 7 is wrapped on one side of the wrapping layer 6, the protective performance inside the cable can be improved by additionally arranging the protective layer 2 on the surface of the cable body 1, corrosion damage is not easy to generate, meanwhile, the insulating layer 3 can enhance the insulating performance of a cable sheath, the electrifying performance is more stable, the flame-retardant layer 5 is additionally arranged inside the protective layer 2, combustion is not easy to generate during fire, loss is reduced, the high-temperature-resistant performance of the cable is effectively improved by the high-temperature-resistant layer 7, meanwhile, the high temperature of 200-400 ℃ can, meanwhile, the problems that the current-carrying capacity of the cable is low due to the fact that the existing cable is made of unreasonable fireproof materials and structures, the cable generates heat, the insulativity of the cable is easily reduced, and the fireproof strength is reduced 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.

During the use, can increase the inside barrier propterty of cable through increase inoxidizing coating 2 on the surface of cable body 1, be difficult for producing corrosion damage, insulating layer 3 can strengthen the insulating properties of cable sheath simultaneously, the circular telegram performance is more stable, increase flame retardant coating 5 in the inside of inoxidizing coating 2 and can strengthen the flame retardant property of cable, be difficult for producing the burning when meeting fire simultaneously, the loss has been reduced, and the high temperature resistant performance of cable has been effectively improved to high temperature resistant layer 7, can be able to bear or endure 200~400 ℃ high temperature simultaneously, transmission stability is better.

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

1. A high temperature resistant wire and cable, includes cable body (1), its characterized in that: the cable comprises a cable body (1) and is characterized in that an inner surface of the cable body (1) is wrapped by an protective layer (2), the inner surface of the protective layer (2) is wrapped by an insulating layer (3), a cable core (4) is wrapped by the inner wall of the insulating layer (3), a flame-retardant layer (5), a winding layer (6) and a high-temperature-resistant layer (7) are arranged inside the protective layer (2), one side of the flame-retardant layer (5) is wrapped by the winding layer (6), and the high-temperature-resistant layer (7) is wrapped by one side of the winding layer (6).

2. A high temperature resistant wire cable according to claim 1, wherein: the cable core (4) is three, and mineral filler (10) is filled between the three cable cores (4), and evenly distributed on the surface of the cable core (4).

3. A high temperature resistant wire cable according to claim 1, wherein: the waterproof layer (8) and the water-blocking tape (9) are arranged inside the wrapping layer (6), the waterproof layer (8) is located on the outer side of the water-blocking tape (9), and the water-blocking tape (9) is wrapped on the outer surface of the high-temperature-resistant layer (7) in a spiral mode.

4. A high temperature resistant wire cable according to claim 1, wherein: the protective layer (2) is made of a silicon rubber material, and flame-retardant particles are filled in the flame-retardant layer (5).

5. A high temperature resistant wire cable according to claim 1, wherein: the thickness of the protective layer (2) is three centimeters to five centimeters, and the thickness of the wrapping layer (6) is one centimeter to one point five centimeters.