CN215183231U

CN215183231U - Novel fireproof cable

Info

Publication number: CN215183231U
Application number: CN202121605795.0U
Authority: CN
Inventors: 贺玉萍
Original assignee: Langfang Dongfang Cable Co ltd
Current assignee: Langfang Dongfang Cable Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-14
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a novel fireproof cable, including the cable main part, the center of cable main part is provided with the enhancement core, the outer end of strengthening the core is provided with the electric wire, the electric wire is about the centre of a circle central symmetry of strengthening the core, be provided with insulating packing between the electric wire, the outer end of electric wire is provided with the shielding layer, the outer end of shielding layer is provided with the buffer layer, the outer end of buffer layer is provided with the insulating layer, the outer end of insulating layer is provided with fire-retardant layer, fire-retardant layer's outer end is provided with anticorrosive coating, insulating packing adopts polyurethane foam to make, the shielding layer adopts the aluminium foil material to make, the buffer layer adopts the PP material to make, be provided with the cushion chamber in the buffer layer, the insulating layer adopts the polyethylene material to make, fire-retardant layer adopts fire-retardant rubber to make. The utility model discloses add fire-retardant layer in the outer end of cable, promoted the fire behavior of cable greatly, press from both sides in the inside of cable and establish the buffer layer, promoted the compressive capacity of cable greatly.

Description

Novel fireproof cable

Technical Field

The utility model belongs to the technical field of the cable, specifically be a novel fireproof cable.

Background

The wire and cable industry is a complete industry, but occupies the production value of 1/4 in the Chinese electrical industry, has a plurality of product types and a wide application range, relates to the industries of electric power, construction, communication, manufacturing and the like, is closely related to each department of national economy, is also called artery and nerve of the national economy, is a basic device indispensable for transmitting electric energy, transmitting information, manufacturing various motors, instruments and meters and realizing electromagnetic energy conversion, and is a necessary basic product in the future electrification and information-based society.

A novel cable is disclosed in an authorization notice number CN212061934U, and comprises a conductor main body, wherein a shielding layer, an insulating layer, a braided layer and a protective sleeve are sequentially arranged outside the conductor main body, the thickness ratio of the shielding layer to the insulating layer to the braided layer is 2:3:1, and a steel wire tensile layer is arranged between the insulating layer and the braided layer.

Above-mentioned a novel cable that discloses, the fire behavior of this cable is relatively poor, and when the outside conflagration breaing out, the cable is blown easily, causes the large tracts of land to have a power failure, and the compressive capacity of this cable is not enough, easily splits during the pressurized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fireproof cable to solve among the prior art problem that cable fire-resistant ability is not enough, cable compressive capacity is not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel fireproof cable, includes the cable main part, the center of cable main part is provided with the enhancement core, the outer end of strengthening the core is provided with the electric wire, the centre of a circle central symmetry about strengthening the core of electric wire, be provided with insulating packing between the electric wire, the outer end of electric wire is provided with the shielding layer, the outer end of shielding layer is provided with the buffer layer, the outer end of buffer layer is provided with the insulating layer, the outer end of insulating layer is provided with fire-retardant layer, the outer end on fire-retardant layer is provided with anticorrosive coating.

Preferably, the insulation filling is made of polyurethane foam, fixes the electric wire by the insulation filling, and has insulation and flame retardant functions.

Preferably, the shielding layer is made of an aluminum foil material, and the aluminum foil has a good shielding effect and prevents the cable from being interfered by external signals.

Preferably, the buffer layer adopts the PP material to make, be provided with the cushion chamber in the buffer layer, the cushion chamber provides certain buffering space for the cable main part, and when the cable main part received the impact, the cable extrusion cushion chamber was cushioned and was unloaded the power, reduced the impact that the electric wire received.

Preferably, the insulating layer is made of polyethylene, and the polyethylene has good insulating property and stability.

Preferably, the flame-retardant layer is made of flame-retardant rubber, and the flame-retardant layer improves the fireproof capacity of the cable main body.

Preferably, the anticorrosive coating is organosilicon high-temperature resistant paint which has good anticorrosive and high-temperature resistant capabilities.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses add fire-retardant layer in the outer end of cable, promoted the fire behavior of cable greatly, press from both sides in the inside of cable and establish the buffer layer, promoted the compressive capacity of cable greatly.

Drawings

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

In the figure: 1 cable body, 11 reinforcing cores, 12 wires, 13 insulating fillers, 14 shielding layers, 15 buffer layers, 151 buffer cavities, 16 insulating layers, 17 flame-retardant layers and 18 anticorrosive coatings.

Detailed Description

Referring to fig. 1, a novel fireproof cable comprises a cable main body 1, wherein a reinforcing core 11 is arranged in the center of the cable main body 1, an electric wire 12 is wound around the outer end of the reinforcing core 11, the electric wire 12 is symmetrical with respect to the center of a circle of the reinforcing core 11, insulating fillers 13 are laid between the electric wires 12, a shielding layer 14 wraps the outer end of the electric wire 12, a buffer layer 15 is glued to the outer end of the shielding layer 14, an insulating layer 16 wraps the outer end of the buffer layer 15, a flame retardant layer 17 is glued to the outer end of the insulating layer 16, and an anticorrosive coating 18 is sprayed to the outer end of the flame retardant layer 17.

Referring to fig. 1, the insulation filling 13 is made of polyurethane foam, the insulation filling 13 fixes the electric wire 12, and has insulation and flame retardant functions, the shielding layer 14 is made of aluminum foil, the aluminum foil has a good shielding effect, and prevents the electric cable from being interfered by external signals, the buffer layer 15 is made of PP, the buffer cavity 151 is formed in the buffer layer 15, the buffer cavity 151 provides a certain buffer space for the electric cable main body 1, when the electric cable main body 1 is impacted, the electric cable extrudes the buffer cavity 151 to buffer and unload force, and the impact on the electric wire 12 is reduced.

Referring to fig. 1, the insulating layer 16 is made of polyethylene, the polyethylene has good insulation and stability, the flame retardant layer 17 is made of flame retardant rubber, the flame retardant layer 17 improves the fire resistance of the cable main body 1, the anti-corrosion coating 18 is silicone high temperature resistant paint, and the silicone high temperature resistant paint has good anti-corrosion and high temperature resistant capabilities.

The working principle of the scheme is as follows: the utility model discloses add fire-retardant layer 17 in the outer end of cable, promoted the fire behavior of cable greatly, press from both sides in the inside of cable and establish buffer layer 15, promoted the compressive capacity of cable greatly.

Claims

1. The utility model provides a novel fireproof cable, includes cable main part (1), its characterized in that: the center of cable main part (1) is provided with and strengthens core (11), the outer end of strengthening core (11) is provided with electric wire (12), electric wire (12) are about the centre of a circle central symmetry of strengthening core (11), be provided with insulating packing (13) between electric wire (12), the outer end of electric wire (12) is provided with shielding layer (14), the outer end of shielding layer (14) is provided with buffer layer (15), the outer end of buffer layer (15) is provided with insulating layer (16), the outer end of insulating layer (16) is provided with fire-retardant layer (17), the outer end of fire-retardant layer (17) is provided with anticorrosive coating (18).

2. The novel fire-resistant cable according to claim 1, wherein: the insulating filler (13) is made of polyurethane foam.

3. The novel fire-resistant cable according to claim 1, wherein: the shielding layer (14) is made of an aluminum foil material.

4. The novel fire-resistant cable according to claim 1, wherein: the buffer layer (15) is made of PP materials, and a buffer cavity (151) is arranged in the buffer layer (15).

5. The novel fire-resistant cable according to claim 1, wherein: the insulating layer (16) is made of polyethylene.

6. The novel fire-resistant cable according to claim 1, wherein: the flame-retardant layer (17) is made of flame-retardant rubber.

7. The novel fire-resistant cable according to claim 1, wherein: the anti-corrosion coating (18) is organic silicon high-temperature resistant paint.