CN214377766U

CN214377766U - Fireproof cable

Info

Publication number: CN214377766U
Application number: CN202120639274.0U
Authority: CN
Inventors: 冯军; 王明
Original assignee: Dongguan Mingxiu Electronic Technology Co ltd
Current assignee: Dongguan Mingxiu Electronic Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-10-08
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a fireproof cable, which comprises an insulating outer layer, a fireproof layer, a heat insulation layer, an aluminum-plastic composite belt, a core wire and a flame-retardant filler; the fire-proof layer is arranged on the inner side of the insulating outer layer; the heat insulation layer is arranged on the inner side of the fire-proof layer; the aluminum-plastic composite belt is arranged on the inner side of the heat insulation layer; the core wire is arranged in the aluminum-plastic composite belt; the flame-retardant filler is arranged between the core wire and the aluminum-plastic composite belt. The utility model discloses can effectively avoid the cable to catch fire to also can effectively suppress the intensity of a fire after the cable catches fire.

Description

Fireproof cable

Technical Field

The utility model belongs to the technical field of the cable, concretely design fireproof cable.

Background

At present, with the development of clean energy, electric power resources develop at a high speed, and with the construction of nuclear power stations, hydropower stations and wind power generation, cables become common tools in life. Cables are generally used in harsh working environments where there is a risk of fire, and damage to the cable in the event of a fire is significant.

Therefore, the fire protection of the cable is very important.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem and provide a fireproof cable.

The utility model discloses a realize its technological effect and the solution that adopts does:

a fireproof cable comprises an insulating outer layer, a fireproof layer, a heat insulation layer, an aluminum-plastic composite tape, a core wire and a flame-retardant filler; the fire-proof layer is arranged on the inner side of the insulating outer layer; the heat insulation layer is arranged on the inner side of the fire-proof layer; the aluminum-plastic composite belt is arranged on the inner side of the heat insulation layer; the core wire is arranged in the aluminum-plastic composite belt; the flame-retardant filler is arranged between the core wire and the aluminum-plastic composite belt.

Preferably, the insulating outer layer is made of a cross-linked polyethylene material.

Preferably, the fire-proof layer is made of ceramic silicon rubber materials.

Preferably, the thermal insulation layer is a fiberglass tape.

Preferably, both sides of the heat insulation layer are coated with teflon resin paint.

Preferably, the flame-retardant filler is an expanded graphene filler.

Preferably, the core wire comprises an insulating inner layer, a mica wrapping tape, an aluminum-plastic binding tape, a shielding layer and a conductor; the shielding layer is arranged on the outer side of the conductor; the aluminum-plastic binding belt is bound on the outer side of the shielding layer; the mica wrapping tape is arranged on the outer side of the aluminum-plastic binding tape; the insulation inner layer is arranged on the outer side of the mica wrapping tape in a wrapping mode, and the insulation inner layer is arranged in the flame-retardant filling material.

The utility model has the advantages that: the fireproof layer, the heat insulation layer and the flame-retardant filler are arranged, so that the cable can be effectively prevented from being ignited, and the fire can be effectively suppressed after the cable is ignited.

Drawings

Fig. 1 is a schematic cross-sectional view of a cable according to an embodiment of the present invention.

And (3) identification and explanation: 1-insulating outer layer, 2-fire-proof layer, 3-heat-insulating layer, 4-aluminum-plastic composite tape, 5-core wire, 6-flame-retardant filler, 7-insulating inner layer, 8-mica wrapping tape, 9-aluminum-plastic binding tape, 10-shielding layer and 11-conductor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.

Referring to fig. 1, in a preferred embodiment of the present invention, a fireproof cable is disclosed, which includes an insulating outer layer 1, a fireproof layer 2, a thermal insulation layer 3, an aluminum-plastic composite tape 4, a core wire 5 and a flame retardant filler 6; the fire-proof layer 2 is arranged on the inner side of the insulating outer layer 1; the heat insulation layer 3 is arranged on the inner side of the fire-proof layer 2; the aluminum-plastic composite belt 4 is arranged on the inner side of the heat insulation layer 3; the core wire 5 is arranged in the aluminum-plastic composite belt 4; the flame-retardant filler 6 is arranged between the core wire 5 and the aluminum-plastic composite belt 4.

Specifically, the insulating outer layer 1 is made of a cross-linked polyethylene material.

Specifically, the fire-proof layer 2 is made of ceramic silicon rubber material.

Specifically, the heat insulation layer 3 is a glass fiber tape.

Specifically, both surfaces of the heat insulating layer 3 are coated with a teflon resin paint.

Specifically, the flame-retardant filler 6 is an expanded graphene filler.

Specifically, the core wire 5 comprises an insulating inner layer 7, a mica wrapping tape 8, an aluminum-plastic binding tape 9, a shielding layer 10 and a conductor 11; the shielding layer 10 is arranged outside the conductor 11; the aluminum plastic binding belt 9 is bound on the outer side of the shielding layer 10; the mica wrapping tape 8 is wrapped on the outer side of the aluminum plastic binding tape 9; the insulating inner layer 7 is wrapped on the outer side of the mica wrapping tape 8, and the insulating inner layer 7 is arranged in the flame-retardant filling material 6.

As can be seen from the above description, the present invention has excellent fire-proof performance.

While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the invention includes, but is not limited to, the embodiments described above; the specific structure disclosed in the drawings is only a preferred embodiment of the present invention, and those skilled in the art can also develop other embodiments on this basis, and any simple deformation or equivalent replacement without departing from the innovative concept of the present invention is covered by the present invention, which belongs to the protection scope of the present invention.

Claims

1. A fire-resistant cable, comprising:

an insulating outer layer;

a fire barrier layer; the fire-proof layer is arranged on the inner side of the insulating outer layer;

a thermal insulation layer; the heat insulation layer is arranged on the inner side of the fire-proof layer;

an aluminum-plastic composite tape; the aluminum-plastic composite belt is arranged on the inner side of the heat insulation layer;

a core wire; the core wire is arranged in the aluminum-plastic composite belt;

flame-retardant filler; the flame-retardant filler is arranged between the core wire and the aluminum-plastic composite belt.

2. A fire-resistant cable according to claim 1, wherein: the insulating outer layer is made of a cross-linked polyethylene material.

3. A fire-resistant cable according to claim 1, wherein: the fireproof layer is made of a ceramic silicon rubber material.

4. A fire-resistant cable according to claim 1, wherein: the heat insulation layer is a glass fiber tape.

5. A fire-resistant cable according to claim 4, wherein: and both surfaces of the heat insulation layer are coated with Teflon resin paint.

6. A fire-resistant cable according to claim 1, wherein: the flame-retardant filler is expanded graphene filler.

7. A fire-resistant cable according to claim 1, wherein: the core wire comprises an insulating inner layer, a mica wrapping tape, an aluminum-plastic binding tape, a shielding layer and a conductor; the shielding layer is arranged on the outer side of the conductor; the aluminum-plastic binding belt is bound on the outer side of the shielding layer; the mica wrapping tape is arranged on the outer side of the aluminum-plastic binding tape; the insulation inner layer is arranged on the outer side of the mica wrapping tape in a wrapping mode, and the insulation inner layer is arranged in the flame-retardant filling material.