CN212624933U

CN212624933U - Power cable for fire safety with high flame retardance, oxygen isolation and high temperature resistance

Info

Publication number: CN212624933U
Application number: CN202021179333.2U
Authority: CN
Inventors: 王浩; 王旭鸣; 周建琴
Original assignee: JIANGSU YUANTONG CABLE CO Ltd
Current assignee: JIANGSU YUANTONG CABLE CO Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-26
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a high fire-retardant oxygen-insulating high-temperature-resistant fire-fighting safety power cable, which comprises an outer sheath layer, wherein a silicon rubber protective layer is arranged inside the outer sheath layer, a plurality of aluminum substrates are uniformly bonded inside the silicon rubber protective layer, hollow cavities are arranged inside the aluminum substrates, four inner cores and a hose are arranged inside the silicon rubber protective layer, the utility model is provided with the outer sheath layer, the outer sheath layer is a halogen-free low-smoke high-fire-retardant polyolefin layer body and can play a role in fire retardation, a plurality of aluminum substrates are uniformly bonded inside the silicon rubber protective layer, hollow cavities are arranged inside the aluminum substrates and can prevent the combustion caused by overhigh local temperature, four inner cores and a hose are arranged inside the silicon rubber protective layer, a graphene heat dissipation layer is filled inside the hose, and the temperature of the center can be reduced by the graphene heat dissipation layer, the flame-retardant glass fiber layer is filled in the silicon rubber protective layer, so that good flame retardant performance can be achieved.

Description

Power cable for fire safety with high flame retardance, oxygen isolation and high temperature resistance

Technical Field

The utility model relates to a power cable technical field specifically is a high fire-retardant oxygen-insulated high temperature resistant fire control safety power cable.

Background

At present, the structure of a common fireproof cable is generally as follows: the cable conductor is formed by twisting a plurality of strands of copper wires and has good bending property; the insulating layer is made of a high-temperature-resistant and non-combustible insulating material; the copper protective layer is made of copper material, so that good bending property is guaranteed. The sheath layer has good anti-corrosion property. The sheath layer of the existing fireproof cable generally only plays a role in physical protection and chemical corrosion protection, wherein halogen-containing flame-retardant polymers are often used, and the defects are obvious. Moreover, the existing cable has fewer flame-retardant layers and poor flame-retardant effect. Therefore, the power cable with high flame retardance, oxygen isolation, high temperature resistance and fire safety is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high fire-retardant separates oxygen high temperature resistant fire control safety power cable to solve the problem that proposes in 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 high fire-retardant separates oxygen high temperature resistant fire control safety power cable, includes the oversheath layer, the inside of oversheath layer is equipped with the silicon rubber protective layer, the inside of silicon rubber protective layer evenly bonds has a plurality of aluminium base boards, the inside of aluminium base board is equipped with the cavity, the inside of silicon rubber protective layer is equipped with four inner cores and a hose, the inside packing of hose has graphite alkene heat dissipation layer, the inside packing of silicon rubber protective layer has fire-retardant glass fiber layer, the inside of inner core is equipped with the copper core, the outside of copper core is equipped with alclad aluminium layer.

Preferably, the outer part of the aluminum-coated layer is provided with a PVC waterproof layer and an electromagnetic shielding layer.

Preferably, a wrapping layer is arranged outside the electromagnetic shielding layer.

Preferably, a heat dissipation aluminum strip is arranged inside the silicon rubber protective layer.

Preferably, the heat dissipation aluminum strip comprises an aluminum strip and an arc-shaped protruding part.

Preferably, the outer sheath layer is a halogen-free low-smoke high-flame-retardant polyolefin layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the oversheath layer, the oversheath layer is the high fire-retardant polyolefin layer body of steamed low cigarette of nothing, can play fire-retardant effect, and the inside of silicon rubber protective layer evenly bonds and has a plurality of aluminium base boards, the inside of aluminium base board is equipped with the cavity, can prevent the burning that the local temperature is too high to arouse, and the inside of silicon rubber protective layer is equipped with four inner cores and a hose, the inside packing of hose has graphite alkene heat dissipation layer, and graphite alkene heat dissipation layer can reduce the temperature at center, and the inside packing of silicon rubber protective layer has fire-retardant glass fiber layer, can play good fire behaviour.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the inner core of the present invention;

fig. 3 is a schematic view of the heat dissipation aluminum strip of the present invention.

In the figure: 1. an outer jacket layer; 2. a silicone rubber protective layer; 3. a heat dissipating aluminum strip; 31. an aluminum strip; 32. an arc-shaped convex part; 4. an aluminum substrate; 5. a flame retardant fiberglass layer; 6. an inner core; 61. wrapping a covering; 62. coating an aluminum layer; 63. a copper core; 64. a PVC waterproof layer; 65. an electromagnetic shielding layer; 7. a hose; 8. graphite alkene heat dissipation 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high fire-retardant separates oxygen high temperature resistant fire control safety power cable, includes oversheath layer 1, the inside of oversheath layer 1 is equipped with silicon rubber protective layer 2, the inside of silicon rubber protective layer 2 evenly bonds has a plurality of aluminium base boards 4, the inside of aluminium base board 4 is equipped with the cavity, the inside of silicon rubber protective layer 2 is equipped with four inner cores 6 and a hose 7, the inside packing of hose 7 has graphite alkene heat dissipation layer 8, the inside packing of silicon rubber protective layer 2 has fire-retardant glass fiber layer 5, the inside of inner core 6 is equipped with copper core 63, the outside of copper core 63 is equipped with alclad aluminium layer 62.

The outer part of the aluminum-coated layer 62 is provided with a PVC waterproof layer 64 and an electromagnetic shielding layer 65.

And a wrapping layer 61 is arranged outside the electromagnetic shielding layer 65.

And a heat dissipation aluminum strip 3 is arranged inside the silicon rubber protective layer 2.

The heat dissipation aluminum strip 3 includes an aluminum strip 31 and an arc-shaped protrusion 32.

The outer sheath layer 1 is a halogen-free low-smoke high-flame-retardant polyolefin layer.

Specifically, during the use, this high fire-retardant high temperature resistant fire control safety power cable that separates oxygen has oversheath layer 1, and oversheath layer 1 is the high fire-retardant polyolefin layer body of halogen-free low smoke, can play fire-retardant effect, and silicon rubber protective layer 2's inside is evenly bonded has a plurality of aluminium base boards 4, aluminium base board 4's inside is equipped with the cavity, can prevent the burning that local high temperature arouses, and silicon rubber protective layer 2's inside is equipped with four inner cores 6 and a hose 7, the inside packing of hose 7 has graphite alkene heat dissipation layer 8, and graphite alkene heat dissipation layer 8 can reduce the temperature at center, and silicon rubber protective layer 2's inside packing has fire-retardant glass fiber layer 5, can play good fire behaviour.

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 high fire-retardant separates oxygen high temperature resistant fire control safety power cable, includes oversheath layer (1), its characterized in that: the novel heat-dissipation aluminum-clad cable is characterized in that a silicon rubber protective layer (2) is arranged inside the outer sheath layer (1), a plurality of aluminum base plates (4) are uniformly bonded inside the silicon rubber protective layer (2), a hollow cavity is arranged inside each aluminum base plate (4), four inner cores (6) and one hose (7) are arranged inside each silicon rubber protective layer (2), a graphene heat-dissipation layer (8) is filled inside each hose (7), a flame-retardant glass fiber layer (5) is filled inside each silicon rubber protective layer (2), a copper core (63) is arranged inside each inner core (6), and an aluminum-clad layer (62) is arranged outside each copper core (63).

2. The power cable for fire safety with high flame retardance, oxygen isolation and high temperature resistance according to claim 1, wherein: and a PVC waterproof layer (64) and an electromagnetic shielding layer (65) are arranged outside the aluminum-coated layer (62).

3. The power cable for fire safety with high flame retardance, oxygen isolation and high temperature resistance according to claim 2, wherein: and a wrapping layer (61) is arranged outside the electromagnetic shielding layer (65).

4. The power cable for fire safety with high flame retardance, oxygen isolation and high temperature resistance according to claim 1, wherein: and a heat dissipation aluminum strip (3) is arranged inside the silicon rubber protective layer (2).

5. The power cable for fire safety of claim 4, which has high flame retardancy, oxygen barrier and high temperature resistance, and is characterized in that: the heat dissipation aluminum strip (3) comprises an aluminum strip (31) and an arc-shaped bulge (32).

6. The power cable for fire safety with high flame retardance, oxygen isolation and high temperature resistance according to claim 1, wherein: the outer sheath layer (1) is a halogen-free low-smoke high-flame-retardant polyolefin layer body.