CN211719289U - Corrosion-resistant cable for power engineering - Google Patents

Abstract

The utility model discloses a corrosion-resistant cable for electric power engineering, which comprises a cable body, the inside parcel of cable body has the inoxidizing coating, there is the insulating layer inside of inoxidizing coating through adhesive parcel. The utility model discloses an increase the inoxidizing coating on the surface of cable and can improve the holistic intensity of cable, can protect the surface, prevent that the epidermis damage from taking place the electric leakage, increase the shielding layer in the inside of inoxidizing coating simultaneously, flame retardant coating and high temperature resistant layer, further improvement the insulating properties of cable, and can also play fire prevention and high temperature resistant effect, set up the inside increase cable holistic anticorrosive effect of anticorrosive coating at the inoxidizing coating, it is more permanent to use, and inside can not appear corroding, the service life is prolonged, solved often can cause certain damage to the cable in the use of cable simultaneously, make cable sheath take place the damage, thereby cause the inside corrosion of cable, influence the problem of the normal work of cable core.

Description

Corrosion-resistant cable for power engineering

Technical Field

The utility model relates to the technical field of cables, specifically be a corrosion-resistant cable for electric power engineering.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and underwater power transmission lines. In the power lines, the cable is increasing in specific gravity. The power cable is a cable product used for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various voltage grades of 1-500KV and above, and various insulated power cables, the cable used on the market at present cannot play an effective protection role due to the problems of unreasonable structural design or material quality and the like, and a certain damage is often caused to the cable in the use process of the cable, so that a cable sheath is damaged, the internal corrosion of the cable is caused, the normal work of a cable core is influenced, and great harm is caused to the society and personal and property.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant cable for electric power engineering possesses the effectual advantage of anticorrosion, has solved and often can cause certain damage to the cable in the use of cable, makes cable sheath take place the damage to cause the inside corrosion of cable, influence the problem of the normal work of cable core.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a corrosion-resistant cable for electric power engineering, includes the cable body, the inside parcel of cable body has the inoxidizing coating, there is the insulating layer inside of inoxidizing coating through adhesive parcel, there is the anticorrosive coating inside of insulating layer through adhesive parcel, the inside parcel of anticorrosive coating has the cable core, the cable core is three strands, the inoxidizing coating includes shielding layer, flame retardant coating and high temperature resistant layer, the inside parcel of shielding layer has the flame retardant coating, the inside parcel of flame retardant coating has high temperature resistant layer.

Preferably, the protective layer is made of a PET material, and the surface of the cable body is coated with a heat insulation coating.

Preferably, the anticorrosive coating is internally provided with a polyvinyl chloride layer and a polypropylene layer, and the polyvinyl chloride layer and the polypropylene layer are mutually bonded together.

Preferably, an insulating material is provided inside the insulating layer.

Preferably, the surface of the cable core is wrapped with an inner sheath, and the surface of the inner sheath is bonded with the inner surface of the anti-corrosion layer.

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 on the surface of cable and can improve the holistic intensity of cable, can protect the surface, prevent that the epidermis damage from taking place the electric leakage, increase the shielding layer in the inside of inoxidizing coating simultaneously, flame retardant coating and high temperature resistant layer, further improvement the insulating properties of cable, and can also play fire prevention and high temperature resistant effect, set up the inside increase cable holistic anticorrosive effect of anticorrosive coating at the inoxidizing coating, it is more permanent to use, and inside can not appear corroding, the service life is prolonged, solved often can cause certain damage to the cable in the use of cable simultaneously, make cable sheath take place the damage, thereby cause the inside corrosion of cable, influence the problem of the normal work of cable core.

2. The utility model discloses an increase the inner sheath on the surface of cable core and can effectively protect the cable core, can also play the thermal-insulated effect of fire prevention, avoid cable core damaged surface and take place the electric leakage phenomenon of electrocuting, guaranteed the stability of power engineering with the electricity transmission.

Drawings

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

fig. 2 is a cross-sectional view of the interior of the protective layer of the present invention.

In the figure: 1. a cable body; 2. a protective layer; 3. an insulating layer; 4. an anticorrosive layer; 5. a cable core; 6. a shielding layer; 7. a fire barrier layer; 8. a high temperature resistant 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 corrosion-resistant cable for power engineering comprises a cable body 1, a protective layer 2 is wrapped inside the cable body 1, the protective layer 2 is made of PET material, a thermal insulation coating is coated on the surface of the cable body 1, an insulating layer 3 is wrapped inside the protective layer 2 through an adhesive, an insulating material is arranged inside the insulating layer 3 and is composed of an insulating protective layer and ceramic fiber, an anti-corrosion layer 4 is wrapped inside the insulating layer 3 through the adhesive, a polyvinyl chloride layer and a polypropylene layer are arranged inside the anti-corrosion layer 4 and are bonded with each other, a cable core 5 is wrapped inside the anti-corrosion layer 4, an inner sheath is wrapped on the surface of the cable core 5, the surface of the inner sheath is bonded with the inner surface of the anti-corrosion layer 4, the cable core 5 can be effectively protected by adding the inner sheath on the surface of the cable core 5, the cable core 5 is three strands, the protective layer 2 comprises a shielding layer 6, a fireproof layer 7 and a high temperature resistant layer 8, the fireproof layer 7 wraps the shielding layer 6, the high temperature resistant layer 8 wraps the fireproof layer 7, the strength of the whole cable can be improved by adding the protective layer 2 on the surface of the cable, the surface can be protected, the electric leakage caused by the damage of the surface skin can be prevented, meanwhile, the shielding layer 6, the fireproof layer 7 and the high temperature resistant layer 8 are added in the protective layer 2, the insulating property of the cable is further improved, the effects of fire prevention and high temperature resistance can be achieved, the anti-corrosion effect of the whole cable is increased by arranging the anti-corrosion layer 4 in the protective layer 2, the use is more permanent, and the corrosion cannot occur inside, the service life is prolonged, and the problems that the cable is damaged to a certain extent in the using process of the cable, the cable sheath is damaged, the internal corrosion of the cable is caused, and the normal work of a cable core is influenced 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 improve the holistic intensity of cable through increase inoxidizing coating 2 at the surface of cable, can protect the surface, prevent that the epidermis damage from taking place the electric leakage, increase shielding layer 6 in the inside of inoxidizing coating 2 simultaneously, flame retardant coating 7 and high temperature resistant layer 8, further improvement the insulating properties of cable, and can also play fire prevention and high temperature resistant effect, set up anticorrosive coating 4 in the holistic anticorrosive effect of inside increase cable of inoxidizing coating 2, it is more permanent to use, and inside can not appear corroding, service life is prolonged, can effectively protect cable core 5 through increasing the inner sheath on the surface of cable core 5, can also play the thermal-insulated effect of fire prevention, avoid cable core 5 surface damage and take place the electric leakage phenomenon of electrocution, the stability of electric power engineering power transmission has been guaranteed.

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 corrosion-resistant cable for electrical engineering, comprising a cable body (1), characterized in that: the utility model discloses a cable assembly, including cable body (1), the inside parcel of cable body (1) has inoxidizing coating (2), the inside of inoxidizing coating (2) has insulating layer (3) through adhesive parcel, the inside parcel of insulating layer (3) has anticorrosive coating (4) through adhesive parcel, the inside parcel of anticorrosive coating (4) has cable core (5), cable core (5) are the triplex, inoxidizing coating (2) are including shielding layer (6), flame retardant coating (7) and high temperature resistant layer (8), the inside parcel of shielding layer (6) has flame retardant coating (7), the inside parcel of flame retardant coating (7) has high temperature resistant layer (8).

2. A corrosion resistant cable for electrical engineering according to claim 1, characterized in that: the protective layer (2) is made of a PET material, and the surface of the cable body (1) is coated with heat insulation paint.

3. A corrosion resistant cable for electrical engineering according to claim 1, characterized in that: the inside of anticorrosive coating (4) is provided with polyvinyl chloride layer and polypropylene layer, and polyvinyl chloride layer and polypropylene layer bond each other together.

4. A corrosion resistant cable for electrical engineering according to claim 1, characterized in that: and an insulating material is arranged inside the insulating layer (3).

5. A corrosion resistant cable for electrical engineering according to claim 1, characterized in that: the surface of the cable core (5) is wrapped with an inner sheath, and the surface of the inner sheath is bonded with the inner surface of the anti-corrosion layer (4).

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