CN208000773U - Copper sheath mineral insulated cable - Google Patents

Abstract

The utility model discloses a kind of copper sheath mineral insulated cables,The outside of the conducting wire is equipped with etch resistant layer,The insulation fill stratum is internally provided with ceramic fibre rope,The outside of the waterproof layer is equipped with armor,The outside of the flame-retardant layer is equipped with copper sheath,Ceramic polyolefin used by the utility model insulation fill stratum,Wherein resin material fully burns,It generates hard porcelain compound matter cable internal structure is effectively ensured and be not damaged,Pass through the setting of ceramic fibre rope,When cable under tension acts on,It may make the equal under tension of each ceramic fibre rope,Improve the resistance to drawing performance of cable,Pass through the setting of wollastonite in powder filled layer and mica agent filled layer,The effect of hot-face insulation is played to the outside of cable,It avoids resulting in greater loss,Pass through the setting of copper sheath,Can effectively fire-proof and water-proof be played the role of to cable,It is effective to ensure that the stability and integrality of the construction of cable.

Description

Copper sheath mineral insulated cable

Technical field

The utility model is related to field of cable technology, specially a kind of copper sheath mineral insulated cable.

Background technology

Currently, the widely applied flame retardant cable in the fields such as ore, oil, chemical industry, skyscraper, subway, market is conductive Core and the flame-retardant high-molecular sheath composition being coated on outside conductor wire core, such fireproofing of cable, Corrosion Protection are poor.In fire After calamity occurs, flame-retardant sheath can continuously decrease its protective capacities by the calcination of flame, until final lose;And in oil, change The fields such as work, cable laying environmental condition is poor, often has corrosive substance, high molecular material can slowly by corrosion for a long time Its function is lost, cable service life will shorten.Existing common flame retardant cable is by conductor wire core and is wrapped on the outside of core Flame-retardant sheath forms, and most raw material belong to high molecular material, and cable fire-proof performance is poor, and in oil, chemical industry, cable applies If environment it is more severe than other industry, cable macromolecule sheath is etched for a long time, final to shorten cable service life, is This, we release a kind of copper sheath mineral insulated cable.

Utility model content

The purpose of this utility model is to provide a kind of copper sheath mineral insulated cables, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions:A kind of copper sheath mineral insulated cable, Including conducting wire, the outside of the conducting wire is equipped with etch resistant layer, and insulation fill stratum is equipped between the etch resistant layer and conducting wire, described Insulation fill stratum is internally provided with ceramic fibre rope, and the outside of the etch resistant layer is equipped with waterproof layer, the outside of the waterproof layer Equipped with armor, the outside of the armor is equipped with flame-retardant layer, and the inside of the flame-retardant layer is equipped with wollastonite in powder filled layer successively It is equipped with copper sheath with the outside of mica agent filled layer, the flame-retardant layer.

Preferably, the conducting wire includes conductor wire core and shielded layer, and the shielded layer is wrapped in the outside of conductor wire core.

Preferably, it is arranged in the shape of a spiral outside the copper sheath.

Preferably, distance is equal between the ceramic fibre rope.

Preferably, the shielded layer is made of semiconductive plastics.

Preferably, the insulation fill stratum is ceramic polyolefin.

Preferably, the etch resistant layer is made of glass fibre.

Compared with prior art, the utility model has the beneficial effects that:Pottery used by the utility model insulation fill stratum Porcelain polyolefin, wherein resin material fully burn, and generate hard porcelain compound matter cable internal structure is effectively ensured and be not damaged, Pass through the effect of insulation fill stratum so that it is not directly contacted between conducting wire, avoids short circuit, by the setting of ceramic fibre rope, When cable under tension acts on, it may make the equal under tension of each ceramic fibre rope, the resistance to drawing performance of cable improved, by leading Etch resistant layer is set, and using glass fibre as protective layer, using glassfiber insulation is good, heat resistance is strong, anti-corruption outside line The advantages of corrosion is good and high mechanical strength, further increases the insulating properties and flame retardant property of cable, passes through the setting of armor, increases The mechanical strength of cable is powered up, while heat can be prevented from conducting quickly to cable, passes through wollastonite in powder filled layer and mica The effect of hot-face insulation is played the outside of cable in the setting of agent filled layer, avoids resulting in greater loss, passes through copper sheath Setting, effectively can play the role of fire-proof and water-proof to cable, increase the service life of cable, be effective to ensure that the construction of cable Stability and integrality.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model;

Fig. 2 is the utility model wollastonite in powder filled layer schematic diagram;

Fig. 3 is the utility model conducting wire internal structure schematic diagram.

In figure:1 insulation fill stratum, 2 conducting wires, 3 ceramic fibre ropes, 4 etch resistant layers, 5 waterproof layers, 6 armors, 7 flame-retardant layers, 8 wollastonite in powder filled layers, 9 mica agent filled layers, 10 copper sheaths, 11 conductor wire cores, 12 shielded layers.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of copper sheath mineral insulated cable, packet Conducting wire 2 is included, the outside of the conducting wire 2 is equipped with etch resistant layer 4, insulation fill stratum 1 is equipped between the etch resistant layer 4 and conducting wire 2, The insulation fill stratum 1 is internally provided with ceramic fibre rope 3, and the outside of the etch resistant layer 4 is equipped with waterproof layer 5, the waterproof The outside of layer 5 is equipped with armor 6, and the outside of the armor 6 is equipped with flame-retardant layer 7, and the inside of the flame-retardant layer 7 is equipped with silicon successively The outside of limestone flour filled layer 8 and mica agent filled layer 9, the flame-retardant layer 7 is equipped with copper sheath 10.

Specifically, the conducting wire 2 includes conductor wire core 11 and shielded layer 12, the shielded layer 12 is wrapped in conductor wire core 11 outside.

Specifically, being arranged in the shape of a spiral outside the copper sheath 10.

Specifically, distance is equal between the ceramic fibre rope 3, by the setting of ceramic fibre rope 3, the resistance to of cable is improved Draw performance.

Specifically, the shielded layer 12 is made of semiconductive plastics, by the setting of shielded layer 12, cable can be improved and rise Beginning discharge voltage, avoids external interference.

Specifically, the insulation fill stratum 1 is ceramic polyolefin.

Specifically, the etch resistant layer 4 is made of glass fibre, the good, heat resistance by using glassfiber insulation By force, the advantages of corrosion resistance is good and high mechanical strength, further increases the insulating properties and flame retardant property of cable.

Specifically, in use, ceramic polyolefin, wherein resin material used by the utility model insulation fill stratum 1 Fully burning, generates hard porcelain compound matter cable internal structure is effectively ensured and be not damaged, by the effect of insulation fill stratum 1, So that being not directly contacted between conducting wire 2, short circuit is avoided, by the setting of ceramic fibre rope 3, improves the resistance to drawing performance of cable, is led to The setting etch resistant layer 4 outside conducting wire 2 is crossed, and using glass fibre as protective layer, the good, heat resistance using glassfiber insulation By force, the advantages of corrosion resistance is good and high mechanical strength, further increases the insulating properties and flame retardant property of cable, passes through armor 6 Setting, increase the mechanical strength of cable, while heat can be prevented from conducting quickly to cable, filled by wollastonite in powder The setting of layer 8 and mica agent filled layer 9, plays the outside of cable the effect of hot-face insulation, avoids resulting in greater loss, and leads to The setting of copper sheath 10 is crossed, effectively can play the role of fire-proof and water-proof to cable, increases the service life of cable, can effectively be protected Demonstrate,prove the stability and integrality of the construction of cable.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of copper sheath mineral insulated cable, including conducting wire(2), it is characterised in that:The conducting wire(2)Outside be equipped with Etch resistant layer(4), the etch resistant layer(4)With conducting wire(2)Between be equipped with insulation fill stratum(1), the insulation fill stratum(1)'s It is internally provided with ceramic fibre rope(3), the etch resistant layer(4)Outside be equipped with waterproof layer(5), the waterproof layer(5)Outside Equipped with armor(6), the armor(6)Outside be equipped with flame-retardant layer(7), the flame-retardant layer(7)Inside successively be equipped with silicon Limestone flour filled layer(8)With mica agent filled layer(9), the flame-retardant layer(7)Outside be equipped with copper sheath(10).

2. a kind of copper sheath mineral insulated cable according to claim 1, it is characterised in that:The conducting wire(2)Packet Conductor wire core is included(11)And shielded layer(12), the shielded layer(12)It is wrapped in conductor wire core(11)Outside.

3. a kind of copper sheath mineral insulated cable according to claim 1, it is characterised in that:The copper sheath(10) Outside is arranged in the shape of a spiral.

4. a kind of copper sheath mineral insulated cable according to claim 1, it is characterised in that:The ceramic fibre rope (3)Between distance it is equal.

5. a kind of copper sheath mineral insulated cable according to claim 2, it is characterised in that:The shielded layer(12) It is made of semiconductive plastics.

6. a kind of copper sheath mineral insulated cable according to claim 1, it is characterised in that:The insulation fill stratum (1)For ceramic polyolefin.

7. a kind of copper sheath mineral insulated cable according to claim 1, it is characterised in that:The etch resistant layer (4)It is made of glass fibre.