CN212230140U - Power cable for metallurgy - Google Patents

Abstract

The utility model discloses a power cable for metallurgy, which comprises wire cores, an insulating filling layer, an insulating layer, an isolating layer and an isolating layer, wherein the insulating filling layer is uniformly filled between the wire cores, the insulating layer is wrapped outside the wire cores, a first reinforcing metal wire is uniformly inserted inside the insulating layer, the isolating layer is wrapped outside the insulating layer, a fire extinguishing cavity is uniformly arranged inside the isolating layer, the isolating layer is wrapped outside the isolating layer, and a second reinforcing metal wire is uniformly inserted inside the isolating layer, the insulating layer and the isolating layer are isolated by the isolating layer, when open fire is needed, the isolating layer can be burnt firstly, then the surface of the isolating layer is burnt, the fire extinguishing cavity inside the isolating layer is exposed, then fire extinguishing gas inside the fire extinguishing cavity is leaked to wrap the cable, thereby carrying out fire extinguishing treatment around the cable and avoiding further burning of the cable, thereby protecting the cable and preventing the short circuit of the circuit.

Description

Power cable for metallurgy

Technical Field

The utility model relates to a power cable technical field specifically is a metallurgical power cable.

Background

The cable is an electric energy or signal transmission device and generally consists of a plurality of wires or a plurality of groups of wires, wherein each group of wires are mutually insulated and are usually twisted around a center, and the whole outer surface is wrapped with a highly-insulated covering layer; the cable has the characteristics of internal electrification and external insulation.

The cable is a material commonly used in the power system, at present, along with the development of economy, the cable dosage is rapidly increased, and the environment and the field of cable application are diversified, so that higher requirements are put forward on the quality and the function of the cable.

In the metallurgical field, the requirement for high temperature resistance and wear resistance of the cable is higher, for example, application number CN201710421032.2 discloses a metallurgical power cable, which has the characteristics of strong waterproof performance, heat resistance, oil resistance, strong tearing resistance, long service life, obvious antibacterial effect, large bending resistance and good flexibility, but when exposed fire is encountered, the cable still burns and is damaged, causing short circuit of the line, and bringing danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metallurgical power cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metallurgical power cable, includes sinle silk, insulating filling layer, insulating layer, isolation layer and inoxidizing coating, evenly filled has the insulating filling layer between the sinle silk, sinle silk outside parcel has the insulating layer, inside even grafting of insulating layer has first enhancement wire, insulating layer outside parcel has the isolation layer, the chamber of putting out a fire has evenly been seted up to the inside isolation layer, the outside parcel of isolation layer has the inoxidizing coating, inside even grafting of inoxidizing coating has the second to strengthen the wire.

And flexible wires are spliced at the axis of the insulating filling layer and are made of carbon fiber composite materials.

The wire cores are four, and the flexible wires are located at the center between the four wire cores.

The insulating filling layer is made of rubber materials, and the insulating layer, the isolating layer and the protective layer are all made of polytetrafluoroethylene materials.

Wherein the first reinforcing wire and the second reinforcing wire are both made of nickel wire.

Wherein, the interior of the fire extinguishing chamber is filled with IG541 mixed gas.

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

the utility model discloses an isolation layer keeps apart insulating layer and inoxidizing coating, and when needs naked light, the inoxidizing coating can burn earlier, then arouses the burning of isolation layer surface for the inside chamber of putting out a fire of isolation layer exposes, then the intracavity portion of putting out a fire the gaseous leakage parcel of putting out a fire and live this cable, thereby to the cable processing of putting out a fire around, avoids the cable further burning, thereby protects the cable, prevents the circuit short circuit.

Drawings

Fig. 1 is a schematic view of the cross-section of the present invention.

In the figure: 10-a wire core; 20-insulating filling layer; 21-flexible silk; 30-an insulating layer; 31-a first reinforcing wire; 40-an isolation layer; 41-fire extinguishing chamber; 50-a protective layer; 51-second reinforcing wires.

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, the present invention provides a technical solution: a power cable for metallurgy includes a core 10, an insulation filling layer 20, an insulation layer 30, an isolation layer 40, and a shield layer 50.

Wherein, evenly fill between the sinle silk 10 has insulating filling layer 20, and the department of insulating filling layer 20 axle center is pegged graft and is had flexibility silk 21, and flexibility silk 21 adopts carbon-fibre composite to make, and sinle silk 10 is provided with four, and flexibility silk 21 is located the center department between four sinle silks 10.

Wherein, separate sinle silk 10 through insulating filling layer 20, avoid having the contact between four sinle silks 10, prevent that sinle silk 10 from appearing the short circuit phenomenon because of the contact.

Wherein, through pegging graft flexible silk 21 in insulating filling layer 20 axle center department, can increase the intensity of cable, when the cable is crooked or folding, flexible silk 21 also can be crooked or folding along with insulating filling layer 20 to avoid insulating filling layer 20 fracture.

Wherein, the outside parcel of sinle silk 10 has insulating layer 30, and the inside even grafting of insulating layer 30 has first enhancement wire 31.

Wherein, live with sinle silk 10 parcel through insulating layer 30, carry out sinle silk 10 through insulating layer 30 and protect, avoid sinle silk 10 electric leakage phenomenon to appear in the work.

Wherein, through evenly pegging graft first enhancement wire 31 in insulating layer 30 inside, improved the intensity of insulating layer 30, avoid insulating layer 30 fracture.

Wherein, insulating layer 30 outside parcel has isolation layer 40, and the chamber 41 of putting out a fire has evenly been seted up to isolation layer 40 inside, and the chamber 41 of putting out a fire is inside to be filled with IG541 mist.

Wherein, keep apart insulating layer 30 and inoxidizing coating 50 through isolation layer 40, when needs naked light, inoxidizing coating 50 can burn earlier, then arouse isolation layer 40 surface combustion for isolation layer 40 inside fire extinguishing chamber 41 exposes, then the inside fire extinguishing gas leakage parcel of fire extinguishing chamber 41 lives this cable, thereby puts out a fire to cable is around.

Wherein, the outer side of the isolation layer 40 is wrapped with a protection layer 50, and the interior of the protection layer 50 is uniformly spliced with second reinforcing metal wires 51.

Wherein, the insulation layer 40 is wrapped by the protective layer 50, and the cable is integrally protected by the protective layer 50.

The second reinforcing metal wires 51 are uniformly inserted into the protective layer 50, so that the strength of the protective layer 50 is improved, and the protective layer 50 is prevented from cracking.

Wherein, the insulating filling layer 20 is made of rubber material.

The insulating layer 30, the isolating layer 40 and the protective layer 50 are made of polytetrafluoroethylene materials.

Wherein the first reinforcing wire 31 and the second reinforcing wire 51 are both made of nickel wire.

The working principle is as follows: when using, keep apart insulating layer 30 and inoxidizing coating 50 through isolation layer 40, when needs naked light, inoxidizing coating 50 can burn earlier, then arouse isolation layer 40 surface combustion for the inside chamber 41 that puts out a fire of isolation layer 40 exposes, then the inside gaseous leakage parcel of putting out a fire of chamber 41 that puts out a fire this cable, thereby puts out a fire to the cable around and handles, avoids the further burning of cable, thereby protects the cable, prevents the short circuit of circuit.

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 (6)

1. A power cable for metallurgy, including sinle silk (10), insulating filling layer (20), insulating layer (30), isolation layer (40) and inoxidizing coating (50), its characterized in that: evenly fill between sinle silk (10) has insulating filling layer (20), sinle silk (10) outside parcel has insulating layer (30), insulating layer (30) inside even grafting has first enhancement wire (31), insulating layer (30) outside parcel has isolation layer (40), the chamber of putting out a fire (41) have evenly been seted up to isolation layer (40) inside, isolation layer (40) outside parcel has inoxidizing coating (50), inoxidizing coating (50) inside even grafting has second enhancement wire (51).

2. A power cable for metallurgy according to claim 1, wherein: the flexible wire (21) is inserted at the axis of the insulating filling layer (20), and the flexible wire (21) is made of carbon fiber composite materials.

3. A power cable for metallurgy according to claim 2, characterized in that: the cable cores (10) are four, and the flexible wires (21) are located at the centers among the four cable cores (10).

4. A power cable for metallurgy according to claim 1, wherein: the insulating filling layer (20) is made of rubber materials, and the insulating layer (30), the isolating layer (40) and the protective layer (50) are all made of polytetrafluoroethylene materials.

5. A power cable for metallurgy according to claim 1, wherein: the first reinforcing wire (31) and the second reinforcing wire (51) are both made of nickel wire.

6. A power cable for metallurgy according to claim 1, wherein: the interior of the fire extinguishing chamber (41) is filled with IG541 mixed gas.

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