CN217306141U

CN217306141U - Flame-retardant fire alarm wire

Info

Publication number: CN217306141U
Application number: CN202220250761.2U
Authority: CN
Inventors: 陈启实; 李丕乡; 徐黎明
Original assignee: Hangzhou Aite Cable Co ltd
Current assignee: Hangzhou Aite Cable Co ltd
Priority date: 2022-02-07
Filing date: 2022-02-07
Publication date: 2022-08-26
Anticipated expiration: 2032-02-07

Abstract

The utility model discloses a fire-retardant fire alarm line relates to cable technical field, include: a conductor; the insulating layer is arranged on the outer wall of the conductor; and the insulating layer is arranged on the outer wall of the insulating layer and used for limiting and wrapping the conductor. The utility model discloses a set up the inoxidizing coating, this mechanism can carry out safety protection to the conductor, effectively avoid the intensity of a fire to extend along fire-retardant layer and enlarge through the chlorinated polyethylene that dopes in fire-retardant layer, effectively prevent the high temperature through the inside superfine glass cotton that dopes of insulating layer to get into inside damage to the conductor simultaneously, and can absorb the water smoke that produces because of the intensity of a fire through the inside silica that dopes of toughness in situ portion, thereby avoid water smoke to get into the inside phenomenon that leads to the electric leakage, the inside production of static is avoided to the inside polyethylene terephthalate that dopes of accessible antistatic layer when weather is dry simultaneously, thereby effectively avoid the conductor to take place the phenomenon of damage when using.

Description

Flame-retardant fire alarm wire

Technical Field

The utility model relates to the technical field of cables, specifically a fire-retardant fire alarm line.

Background

With the increase of modern household fire and electricity consumption, the frequency of household fire is higher and higher, once the household fire happens, the adverse factors of untimely fire fighting, lack of fire extinguishing equipment, scare and mishap of bystanders, slow escape and the like are easy to occur, and finally, the great life and property loss is caused.

The fire alarm is a safety protection device for a fire place, and can inform a fire department of fire extinguishing measures through the fire alarm at the fastest speed, however, the existing fire alarm line connected with the fire alarm cannot resist fire and separate temperature under severe fire, so that an inner conductor is damaged, and signal transmission cannot be carried out frequently due to static electricity or electromagnetic interference at ordinary times, and the fire alarm is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: in order to solve the problem that the fire alarm wire cannot effectively resist fire, separate temperature and isolate interference, the fire alarm wire is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a fire-retardant fire alarm wire comprising:

a conductor;

the insulating layer is arranged on the outer wall of the conductor;

the insulating layer is arranged on the outer wall of the insulating layer and used for limiting and wrapping the conductor;

the protective layer is arranged on the outer walls of the plurality of insulating layers and used for carrying out flame-retardant wrapping on the plurality of conductors.

As a further aspect of the present invention: the insulating layer comprises an outer cladding layer and an inner cladding layer, the inner cladding layer is arranged on the outer wall of the insulating layer, and the outer cladding layer is arranged on the outer walls of the inner cladding layers.

As a further aspect of the present invention: the protective layer comprises a flame-retardant layer, a heat-insulating layer, a tough layer and an anti-static layer, wherein the anti-static layer is arranged on the outer wall of the outer covering layer, the tough layer is arranged on the outer wall of the anti-static layer, the heat-insulating layer is arranged on the outer wall of the tough layer, and the flame-retardant layer is arranged on the outer wall of the heat-insulating layer.

As a further aspect of the present invention: the insulating layer is made of talcum as a main raw material, and a copper strip for preventing electromagnetic interference is doped in the inner cladding.

As a further aspect of the present invention: the outer cladding layer is provided with a plurality of inner cladding layer connection positions, and the inside of cavity is provided with isolated cotton.

As the utility model discloses further scheme again: the flame-retardant layer is made of chlorinated polyethylene, and the heat insulation layer is made of superfine glass wool.

As a further aspect of the present invention: a plurality of steel wires which are uniformly distributed are arranged in the toughness layer, and the anti-static layer is made of polyethylene terephthalate.

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

1. the protective layer is arranged to carry out safety protection on the conductor, the chlorinated polyethylene doped in the flame-retardant layer is used for effectively preventing the fire from extending and expanding along the flame-retardant layer, meanwhile, the superfine glass wool doped in the thermal insulation layer is used for effectively preventing high temperature from entering the interior to damage the conductor, the flame-retardant layer is uniformly attached to the tough layer, the flame-retardant layer can be effectively prevented from being broken in the using process through the steel wires uniformly distributed in the tough layer, and meanwhile, the generation of static electricity can be avoided through the polyethylene terephthalate doped in the antistatic layer in dry weather, so that the phenomenon that the conductor is damaged in the using process is effectively avoided;

2. avoid causing the interference to the conductor through setting up the isolated layer, the phenomenon that can effectively prevent external electromagnetism from causing the interference to the conductor through the inside copper strips that dopes of inner cladding, produced cavity when wrapping up a plurality of inner claddings through the surrounding layer simultaneously, make isolated cotton wrap up a plurality of inner claddings, thereby cup joint stabilizing the conductor, and effectively prevent the phenomenon of conductor electric leakage through insulating layer and isolated cotton, thereby make the conductor and external isolated, effectively avoid the external interference to the conductor.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is the schematic diagram of the fire alarm line structure of the present invention.

In the figure: 1. a conductor; 2. a protective layer; 201. a flame retardant layer; 202. a thermal insulation layer; 203. a ductile layer; 204. an antistatic layer; 3. an insulating layer; 301. an outer cladding; 302. an inner cladding; 4. an insulating 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. 1-2, in an embodiment of the present invention, a fire-retardant fire alarm line includes:

a conductor 1;

an insulating layer 4 disposed on an outer wall of the conductor 1;

the insulating layer 3 is arranged on the outer wall of the insulating layer 4 and used for limiting and wrapping the conductor 1;

and the protective layer 2 is arranged on the outer walls of the plurality of insulating layers 3 and used for carrying out flame-retardant wrapping on the plurality of conductors 1.

In this embodiment: can carry out insulating parcel through the inside talc that dopes of insulating layer 4 to conductor 1, continue firm parcel through isolated cotton to a plurality of conductors 1 simultaneously to effectively prevent that conductor 1 from taking place electric power leakage's phenomenon in the use.

Referring to fig. 1-2, the insulating layer 3 includes an outer cladding layer 301 and an inner cladding layer 302, the inner cladding layer 302 is disposed on the outer wall of the insulating layer 4, and the outer cladding layer 301 is disposed on the outer walls of the inner cladding layers 302;

the insulating layer 4 is made of talc as a main raw material, and a copper strip for preventing electromagnetic interference is doped in the inner cladding 302;

the outer cladding layer 301 and the inner cladding layers 302 are provided with a cavity at the joint position, and insulation cotton is arranged inside the cavity.

In this embodiment: the phenomenon that external electromagnetism caused interference to conductor 1 can effectively be prevented through the inside copper strips that dopes of inner cladding 302, produced cavity when wrapping up a plurality of inner cladding 302 through surrounding layer 301 simultaneously for isolated cotton wraps up a plurality of inner cladding 302, thereby cup joints conductor 1 and stabilizes, and effectively prevents the phenomenon of conductor 1 electric leakage through insulating layer 4 and isolated cotton.

Please refer to fig. 1-2, the protective layer 2 includes a flame retardant layer 201, a heat insulating layer 202, a flexible layer 203 and an antistatic layer 204, the antistatic layer 204 is disposed on the outer wall of the outer covering layer 301, the flexible layer 203 is disposed on the outer wall of the antistatic layer 204, the heat insulating layer 202 is disposed on the outer wall of the flexible layer 203, and the flame retardant layer 201 is disposed on the outer wall of the heat insulating layer 202;

the flame-retardant layer 201 is made of chlorinated polyethylene, and the heat-insulating layer 202 is made of superfine glass wool;

a plurality of uniformly distributed steel wires are arranged inside the flexible layer 203, and the antistatic layer 204 is made of polyethylene terephthalate.

In this embodiment: effectively avoid the intensity of a fire to extend along fire-retardant layer 201 through the chlorinated polyethylene that dopes in fire-retardant layer 201 and enlarge, effectively prevent the high temperature to get into inside through the inside superfine glass wool that dopes of insulating layer 202 simultaneously and cause the damage to conductor 1, because fire-retardant layer 201 evenly adheres to on toughness layer 203, and can effectively avoid fire-retardant layer 201 to take place cracked effect in the use through the inside evenly distributed's of toughness layer 203 steel wire, the inside polyethylene terephthalate that dopes of static layer 204 avoids the production of static simultaneously in weather drying, thereby effectively avoid conductor 1 to take place the phenomenon of damaging when using.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fire-retardant fire alarm wire, characterized by comprising:

a conductor (1);

an insulating layer (4) provided on the outer wall of the conductor (1);

the insulating layer (3) is arranged on the outer wall of the insulating layer (4) and used for limiting and wrapping the conductor (1);

and the protective layer (2) is arranged on the outer walls of the plurality of insulating layers (3) and used for carrying out flame-retardant wrapping on the plurality of conductors (1).

2. A fire retardant alarm wire according to claim 1, characterised in that said insulating layer (3) comprises an outer cladding (301) and an inner cladding (302), said inner cladding (302) being provided on the outer wall of the insulating layer (4), said outer cladding (301) being provided on the outer wall of the plurality of inner claddings (302).

3. A fire-retardant fire alarm line according to claim 2, wherein the protective layer (2) comprises a fire-retardant layer (201), a heat-insulating layer (202), a flexible layer (203) and an antistatic layer (204), the antistatic layer (204) is arranged on the outer wall of the outer cladding (301), the flexible layer (203) is arranged on the outer wall of the antistatic layer (204), the heat-insulating layer (202) is arranged on the outer wall of the flexible layer (203), and the fire-retardant layer (201) is arranged on the outer wall of the heat-insulating layer (202).

4. A fire retardant alarm wire according to claim 2 wherein the inner cladding (302) is internally doped with copper tape to prevent electromagnetic interference.

5. The fire-retardant fire alarm line according to claim 2, wherein a cavity is formed at the position where the outer cladding (301) and the inner claddings (302) are connected, and insulation cotton is arranged inside the cavity.

6. A fire retardant alarm cable according to claim 3, characterised in that the flexible layer (203) is internally provided with a plurality of evenly distributed steel wires.