CN213424688U

CN213424688U - Flame-retardant area is kept apart to disconnect-type

Info

Publication number: CN213424688U
Application number: CN202022429735.XU
Authority: CN
Inventors: 孙一斌; 吴体丽
Original assignee: Liyang Huasu New Material Co ltd
Current assignee: Liyang Huasu New Material Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-11
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a separation type isolation flame-retardant belt, which comprises a main body, the main body comprises a waterproof layer, the bottom of the waterproof layer is fixedly provided with a high flame-retardant layer, the bottom of the high flame-retardant layer is fixedly provided with a buffer layer, the bottom of the buffer layer is fixedly provided with a fire extinguishing layer, the bottom of the fire extinguishing layer is fixedly provided with a thermal insulation layer, the bottom of the thermal insulation layer is fixedly provided with an inner flame-retardant layer, the bottom of the inner flame-retardant layer is fixedly provided with an insulating layer, and two sides of the main body are fixedly connected with bonding layers. And the bonding layers on the two sides of the main body can be bonded after the cable is coated, and no additional adhesive is needed.

Description

Flame-retardant area is kept apart to disconnect-type

Technical Field

The utility model relates to a flame retarded cable technical field specifically is a fire-retardant area is kept apart to disconnect-type.

Background

At present, the fire prevention measures of domestic cables generally adopt the mode of coating fire-proof paint on the surface of the cable or winding a self-adhesive fire-retardant wrapping tape to prevent the fire of the cable from extending, the fire-retardant cable means that a sample is burnt under the specified test conditions, after the test fire source is removed, the flame spread is only within a limited range, and the residual flame or residual scorch can be self-extinguished in a limited time, and the fundamental characteristic is that the cable can be burned out and cannot operate under the condition of fire, but can prevent the spread of fire, in common speaking, in case of fire accident, the electric wire can limit the burning in local range, does not spread, keeps other various equipments, avoids causing larger loss, the flame retardant belt on the market at present can not isolate the fire source in time when the cable short circuit fires, therefore, the cable burns in a large area, and great loss is caused, and therefore a separated type isolation flame-retardant belt is proposed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire-retardant area is kept apart to disconnect-type 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 fire-retardant area is kept apart to disconnect type, comprises a main body, the main part includes the waterproof layer, the fixed high fire-retardant layer that is equipped with in waterproof layer bottom, the fixed buffer layer that is equipped with in high fire-retardant layer bottom, the fixed layer of putting out a fire that is equipped with in buffer layer bottom, the fixed layer that insulates against heat that is equipped with in layer bottom of putting out a fire, the fixed insulating layer that is equipped with in flame-retardant layer bottom, main part both sides fixedly connected with bond line, bond line can be when carrying out the cladding to the cable, do not need additionally to add the bonding agent again and bond fire-retardant area, have reduced staff's working strength.

Preferably, the waterproof layer is made of polyurethane materials, the rigid polyurethane materials are light in weight, excellent in sound insulation and heat insulation performance, the polyurethane material elastomer has the performance between that of plastic and rubber, oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness and elasticity, and the thickness of the waterproof layer is two millimeters.

Preferably, the buffer layer is the aramid fiber material, and the buffer layer passes through the silica gel adhesive with the waterproof layer and bonds together, the inside a plurality of buffering granules that are equipped with of buffer layer, fixedly connected with connecting block between the buffering granule, buffering granule can play the cushioning effect when the cable receives the impact, prevents that the too big cable that leads to of impact force from appearing splitting, and the connecting block can prevent that the buffering granule from taking place the displacement and lead to buffering effect not good.

Preferably, the inside sand of putting out a fire that is equipped with of fire extinguishing layer, the sand of putting out a fire can cover the cable surface because the cable short circuit leads to the condition of taking place the conflagration, reduces the contact of burning source and oxygen, plays the effect of putting out a fire, prevents that the cable from burning by a large scale, causes economic loss.

Preferably, the high flame-retardant layer and the inner flame-retardant layer are both polyimide films, the polyimide has excellent thermal stability, and the service temperature range of the polyimide is wide and ranges from minus one hundred degrees to two or three hundred degrees.

Preferably, the insulating layer is made of polyethylene material, and the polyethylene has good chemical stability, is resistant to corrosion of most acids and bases, has small water absorption and has excellent electrical insulation.

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

1. the fire extinguishing sand in the fire extinguishing layer can cover the cable at the short circuit position under the condition that fire is caught due to the short circuit of the cable, so that the contact between a fire source and oxygen is reduced, the fire extinguishing effect can be achieved, and the large-area combustion of the cable can be prevented to cause large economic loss;

2. the double-layer flame-retardant structure of the high flame-retardant layer and the inner flame-retardant layer can better play a flame-retardant role, and the bonding layers on the two sides of the main body can be bonded after the cable is coated, so that the flame-retardant belt is bonded without adding extra bonding agent.

Drawings

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

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

FIG. 3 is a schematic view of the structure of the present invention at the enlarged part A in FIG. 2;

in the figure: 1. a main body; 2. an adhesive layer; 3. a waterproof layer; 4. a high flame retardant layer; 5. a buffer layer; 51. buffering the particles; 52. connecting blocks; 6. a fire extinguishing layer; 61. fire extinguishing sand; 7. a thermal insulation layer; 8. an inner flame retardant layer; 9. 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. 1-3, the present invention provides a technical solution: the utility model provides a fire-retardant area is kept apart to disconnect-type, including main part 1, main part 1 includes

waterproof layer

3, 3 fixed high fire-retardant layer 4 that is equipped with in bottom of waterproof layer, the fixed buffer layer 5 that is equipped with in 4 bottoms of high fire-retardant layer, 5 fixed fire extinguishing layers 6 that are equipped with in buffer layer, 6 fixed heat insulating layer 7 that are equipped with in bottom of fire extinguishing layers, the fixed interior fire-retardant layer 8 that is equipped with in 7 bottoms of heat insulating layer, the fixed insulating layer 9 that is equipped with in 8 bottoms of interior fire-retardant layer, 1 both sides fixedly connected with bond line 2 of main part, bond line 2 can be when carrying out the cladding to the cable, need not additionally add the bonding.

The waterproof layer 3 is made of polyurethane materials, the hard polyurethane materials are light in weight, excellent in sound insulation and heat insulation performance, the polyurethane material elastomer has the performance between that of plastic and rubber, oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness and elasticity, and the thickness of the waterproof layer 3 is two millimeters.

Buffer layer 5 is the aramid fiber material, buffer layer 5 is in the same place through the bonding of silica gel adhesive with waterproof layer 3, the inside a plurality of buffering granules 51 that are equipped with of buffer layer 5, fixedly connected with connecting block 52 between buffering granule 51, buffering granule 51 can play the cushioning effect when the cable receives the impact, prevent that the too big cable fracture of leading to of impact force, connecting block 52 can prevent that buffering granule 51 from taking place the displacement and lead to the cushioning effect not good.

6 inside fire extinguishing sand 61 that is equipped with of layer of putting out a fire, the sand 61 of putting out a fire can cover the cable surface because the cable short circuit leads to taking place under the condition of conflagration, reduces the contact of burning things which may cause a fire disaster and oxygen, plays the effect of putting out a fire, prevents that the cable from burning by a large scale, causes economic loss.

The high flame-retardant layer 4 and the inner flame-retardant layer 8 are both polyimide films, the polyimide has excellent thermal stability, and the service temperature range of the polyimide is wide and ranges from minus one hundred degrees to two or three hundred degrees.

The insulating layer 9 is made of polyethylene material, and the polyethylene has good chemical stability, is resistant to corrosion of most acids and alkalis, has small water absorption and has excellent electrical insulation.

The working principle is as follows: the fire-retardant area can be wrapped the cable surface, after the cladding of completion to the cable, can bond through bond line 2, need not use extra adhesive, when the conflagration takes place because the cable short circuit, the fire extinguishing sand 61 in the layer of putting out a fire 6 can cover on the cable of short circuit, the contact of isolated burning things which may cause a fire disaster and oxygen to can prevent the burning of cable large tracts of land, not only reduced economic loss, also can play the guard action, prevent stretching of the intensity of a fire.

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. A fire-retardant area is kept apart to disconnect-type, includes main part (1), its characterized in that: the main part (1) includes waterproof layer (3), waterproof layer (3) bottom is fixed to be equipped with high fire-retardant layer (4), fixed buffer layer (5) that is equipped with in high fire-retardant layer (4) bottom, fixed fire extinguishing layer (6) that is equipped with in buffer layer (5) bottom, fixed heat insulating layer (7) that is equipped with in fire extinguishing layer (6) bottom, fixed interior fire-retardant layer (8) that is equipped with in heat insulating layer (7) bottom, fixed insulating layer (9) that is equipped with in interior fire-retardant layer (8) bottom, main part (1) both sides fixedly connected with bond line (2).

2. The separate type insulating flame-retardant belt according to claim 1, wherein: the waterproof layer (3) is made of polyurethane materials, and the thickness of the waterproof layer (3) is two millimeters.

3. The separate type insulating flame-retardant belt according to claim 1, wherein: buffer layer (5) are the aramid fiber material, and buffer layer (5) are in the same place through the bonding of silica gel adhesive with waterproof layer (3), buffer layer (5) inside is equipped with a plurality of buffering granule (51), fixedly connected with connecting block (52) between buffering granule (51).

4. The separate type insulating flame-retardant belt according to claim 1, wherein: fire extinguishing sand (61) is arranged in the fire extinguishing layer (6).

5. The separate type insulating flame-retardant belt according to claim 1, wherein: the high flame-retardant layer (4) and the inner flame-retardant layer (8) are both polyimide films.

6. The separate type insulating flame-retardant belt according to claim 1, wherein: the insulating layer (9) is made of polyethylene material.