CN213935731U

CN213935731U - Novel high-performance composite structure fire-resistant power cable

Info

Publication number: CN213935731U
Application number: CN202023279161.9U
Authority: CN
Inventors: 刘波; 姜超; 杨小峰; 姜茂盛; 高加云; 明观涛; 李世庆
Original assignee: Anhui Hongyuan Special Cable Group Co ltd
Current assignee: Anhui Hongyuan Special Cable Group Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-10
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of cables, and discloses a novel high-performance composite structure fire-resistant power cable, which comprises an outer protective layer, wherein the inner part of the outer protective layer is fixedly connected with a belting layer, the inner part of the belting layer is fixedly connected with a filling layer, the inner part of the filling layer is fixedly connected with a rubber layer, the inner part of the rubber layer is fixedly connected with an inner conductor, the cable adopts special ceramic silicon rubber materials through the rubber layer, the inner conductor adopts multi-strand tin-plated soft copper wire materials, the outer protective layer adopts special temperature-resistant halogen-free flame-retardant materials, the belting layer adopts special organic halogen-free flame-retardant materials, the filling layer adopts high-temperature-resistant materials to be twisted with a cable core for use, so that the cable has good fire-resistant flame-retardant effect, can still keep good dielectric strength at the combustion temperature, increase the overload capacity of the cable, and simultaneously, the cable has strong fire resistance, the product has good flexibility and wide application range, and simultaneously, the cable has high safety performance and has the characteristics of environmental protection and fire resistance.

Description

Novel high-performance composite structure fire-resistant power cable

Technical Field

The utility model relates to the technical field of cables, specifically be a novel fire-resistant power cable of high performance composite construction.

Background

At present, in the domestic occasions with high fireproof safety conditions, such as high-rise buildings, oil platforms, mines, ships, power stations, subways, tunnels and the like, most of cable insulation layers and sheath layers are made of halogen-containing insulation materials, the quality is unstable, halogen elements are contained, once a fire disaster occurs, and once the fire disaster spreads, a large amount of dense smoke can be generated, so that the normal operation of rescue work is influenced, hydrogen halide gas with strong corrosivity and having 'secondary disaster' can be generated, the life of people is threatened, equipment and the environment are damaged, along with the high-speed development of world economy and the requirement of world environment organization on environment protection, the development of green environment-friendly safety cables is urgently needed to meet the requirement of sustainable development of human beings, and the development trend of various countries in the world and the common heart sound of people in the world are achieved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel fire-resistant power cable of high performance composite construction possesses the advantage that environmental protection, overload capacity are big, has solved the cable and does not possess the problem that environmental protection, overload capacity are big.

(II) technical scheme

For the purpose that realizes above-mentioned environmental protection, overload capacity are big, the utility model provides a following technical scheme: the utility model provides a novel fire-resistant power cable of high performance composite construction, includes the outer jacket, the inside fixedly connected with band layer of outer jacket, the inside fixedly connected with filling layer on band layer, the inside fixedly connected with rubber layer on filling layer, the inside fixedly connected with inner conductor on rubber layer.

Preferably, the outer protective layer is made of a special temperature-resistant halogen-free flame-retardant material, so that the cable has the advantages of strong fire resistance, good product flexibility, high use safety performance, environmental friendliness and the like.

Preferably, the wrapping tape layer is made of a special organic halogen-free flame retardant material, so that the overlapping rate of the cable is not less than 20%, and the wrapping tape has high temperature resistance and fire resistance.

Preferably, the filling layer is a high-temperature-resistant material stranded cable core.

Preferably, the rubber layer is made of a special ceramic silicon rubber material, so that the cable has a strong fire-resistant and flame-retardant effect, and can still maintain good dielectric strength at a combustion temperature.

Preferably, the inner conductor is made of a multi-strand tinned soft copper wire material, so that the cable has the advantages of small outer diameter, good conductivity and smooth and round surface.

Three beneficial effects

Compared with the prior art, the utility model provides a novel fire-resistant power cable of high performance composite construction possesses following beneficial effect:

this novel fire-resistant power cable of high performance composite construction, adopt special ceramic silicon rubber material through the rubber layer, the inner conductor adopts stranded tin-plated soft copper wire material, what the outer jacket adopted is special temperature resistant halogen-free flame retardant material, what the band layer adopted is special organic halogen-free flame retardant material, the filling layer adopts high temperature resistant material transposition cable core cooperation to use, make the cable have good fire-resistant flame retardant effect, and still can keep good dielectric strength under the combustion temperature, increase the overload capacity of cable, still make the cable have fire-resistant ability reinforce simultaneously, the product flexibility can be good, application scope is wide, still make the cable security performance high simultaneously, environmental protection, fire-resistant characteristic have, thereby reached and made the cable have good feature of environmental protection and good overload capacity.

Drawings

Fig. 1 is a schematic view of the front internal structure of the present invention.

In the figure: 1-outer protective layer, 2-belting layer, 3-filling layer, 4-rubber layer and 5-inner conductor.

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.

Referring to fig. 1, a novel high-performance fire-resistant power cable with a composite structure includes an outer sheath 1, a wrapping layer 2 fixedly connected to the inside of the outer sheath 1, a filling layer 3 fixedly connected to the inside of the wrapping layer 2, a rubber layer 4 fixedly connected to the inside of the filling layer 3, and an inner conductor 5 fixedly connected to the inside of the rubber layer 4.

The outer protective layer 1 is made of a special temperature-resistant halogen-free flame-retardant material, so that the cable has the advantages of strong fire resistance, good product flexibility, high use safety performance, environmental friendliness and the like.

The wrapping tape layer 2 is made of special organic halogen-free flame retardant materials, so that the overlapping rate of the cable is not less than 20%, and the wrapping tape has high-temperature resistance and fire resistance.

The filling layer 3 is a high-temperature resistant material stranded cable core.

The rubber layer 4 is made of special ceramic silicon rubber material, so that the cable has a strong fire-resistant and flame-retardant effect, and can still maintain good dielectric strength at a combustion temperature.

The inner conductor 5 adopts a multi-strand tinned soft copper wire material, so that the cable has the advantages of small outer diameter, good conductivity and smooth and round surface.

When the cable is used, the multi-strand tinned soft copper wire structure is used as the inner conductor 5, the transmission capacity of the cable is increased, a layer of special ceramic silicon rubber material is extruded outside the inner conductor 5 to be used as the rubber layer 4, the filling layer 3 of the special high-temperature-resistant material cable core is filled when the rubber layer 4 is twisted by a plurality of insulating wire cores, the heat resistance of the cable is increased, and the overload capacity of the cable is increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a novel fire-resistant power cable of high performance composite construction, includes outer jacket (1), its characterized in that: the inner fixing connection of outer jacket (1) has band layer (2), the inner fixing connection of band layer (2) has filling layer (3), the inner fixing connection of filling layer (3) has rubber layer (4), the inner fixing connection of rubber layer (4) has inner conductor (5).

2. The novel high-performance composite structure fire-resistant power cable according to claim 1, characterized in that: the outer protective layer (1) is made of a special temperature-resistant halogen-free flame-retardant material.

3. The novel high-performance composite structure fire-resistant power cable according to claim 1, characterized in that: the wrapping tape layer (2) is made of a special organic halogen-free flame retardant material.

4. The novel high-performance composite structure fire-resistant power cable according to claim 1, characterized in that: the filling layer (3) is a high-temperature resistant material stranded cable core.

5. The novel high-performance composite structure fire-resistant power cable according to claim 1, characterized in that: the rubber layer (4) is made of special ceramic silicon rubber material.

6. The novel high-performance composite structure fire-resistant power cable according to claim 1, characterized in that: the inner conductor (5) is made of a multi-strand tinned soft copper wire material.