CN212809881U

CN212809881U - Polyethylene insulated flame-retardant fire-resistant instrument cable

Info

Publication number: CN212809881U
Application number: CN202021770046.9U
Authority: CN
Inventors: 许勤州
Original assignee: Shenzhen Xunpai Technology Co ltd
Current assignee: Shenzhen Xunpai Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-26
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a fire-retardant fire-resistant instrument cable of polyethylene insulation, including the sinle silk, the surface winding of sinle silk has the aluminium foil shielding layer, and the surface of aluminium foil shielding layer is provided with fire-retardant layer, and simultaneously, fire-retardant layer includes epoxy layer, alumina coating and rock wool layer, the surface on fire-retardant layer is provided with the functional layer, and the functional layer includes ATO antistatic coating, polyethylene waterproof layer and polypyrrole fibre layer. The utility model discloses set up the fire-retardant layer including epoxy layer, alumina coating and rock wool layer, can play the fire-retardant protection's of three-layer purpose to this cable (the epoxy layer plays the fire-retardant guard action of first layer, and the alumina coating plays the fire-retardant guard action of second floor after the epoxy layer damages, and the rock wool layer plays the fire-retardant guard action of third layer after the alumina coating damages) to effectively improve the flame retardant efficiency of this cable, ensured its safety in utilization.

Description

Polyethylene insulated flame-retardant fire-resistant instrument cable

Technical Field

The utility model relates to the technical field of cables, specifically a fire-retardant fire-resistant instrument cable of polyethylene insulation.

Background

The cable is made by one or more mutually insulated conductors and an outer-coated insulating protective layer, and is used for transmitting electric power or information from one place to a lead at another place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant fire-resistant instrument cable of polyethylene insulation 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 fire-resistant instrument cable of polyethylene insulation, includes the sinle silk, the surface winding of sinle silk has the aluminium foil shielding layer, and the surface of aluminium foil shielding layer is provided with fire-retardant layer, and simultaneously, fire-retardant layer includes epoxy layer, alumina coating and rock wool layer, the surface on fire-retardant layer is provided with the functional layer, and the functional layer includes ATO antistatic coating, polyethylene waterproof layer and polypyrrole fibre layer.

Preferably, the epoxy layer is connected in the outside of aluminium oxide coating through organic silica gel, and the outside on rock wool layer is established in the coating of aluminium oxide coating, and the rock wool layer passes through organic silica gel to be connected in the outside of aluminium foil shielding layer.

Preferably, the thickness of the epoxy resin layer is 1.5-2.2 times of the thickness of the aluminum oxide coating, and the thickness of the rock wool layer is 2-3.5 times of the thickness of the epoxy resin layer.

Preferably, the ATO antistatic coating is coated on the outer side of the polyethylene waterproof layer, the polyethylene waterproof layer is connected to the outer side of the polypyrrole fiber layer through organic silica gel, and the polypyrrole fiber layer is connected to the outer side of the epoxy resin layer through organic silica gel.

Preferably, the thickness of the polyethylene waterproof layer is 1.5-2.5 times of the thickness of the polypyrrole fiber layer, and the thickness of the polypyrrole fiber layer is 2-4 times of the thickness of the ATO antistatic coating.

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

1. the utility model discloses set up the fire-retardant layer including epoxy layer, alumina coating and rock wool layer, can play the fire-retardant protection's of three-layer purpose to this cable (the epoxy layer plays the fire-retardant guard action of first layer, and the alumina coating plays the fire-retardant guard action of second floor after the epoxy layer damages, and the rock wool layer plays the fire-retardant guard action of third layer after the alumina coating damages) to effectively improve the flame retardant efficiency of this cable, ensured its safety in utilization.

2. The utility model discloses set up the functional layer including ATO antistatic coating, polyethylene waterproof layer and polypyrrole fibrous layer, ATO antistatic coating wherein can play the electrostatic protection effect, and the polyethylene waterproof layer can play the water proof protection effect, and the polypyrrole fibrous layer can play protection against insects guard action, further improves the life of this cable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

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

FIG. 2 is a schematic structural view of a functional layer of the present invention;

fig. 3 is a schematic view of the structure of the flame retardant layer of the present invention.

In the figure: 1 sinle silk, 2 aluminium foil shielding layers, 3 functional layers, 31 ATO antistatic coating, 32 polyethylene waterproof layers, 33 polypyrrole fibre layers, 4 flame retardant layers, 41 epoxy resin layers, 42 aluminum oxide coatings, 43 rock wool layers.

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.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The parts of the wire core 1, the aluminum foil shielding layer 2, the functional layer 3, the ATO antistatic coating 31, the polyethylene waterproof layer 32, the polypyrrole fiber layer 33, the flame-retardant layer 4, the epoxy resin layer 41, the alumina coating 42 and the rock wool layer 43 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the parts are known by the technicians in the field through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a polyethylene insulated flame-retardant fire-resistant instrument cable comprises a wire core 1, an aluminum foil shielding layer 2 is wound on the outer surface of the wire core 1, and a flame-retardant layer 4 is arranged on the outer surface of the aluminum foil shielding layer 2, meanwhile, the flame-retardant layer 4 comprises an epoxy resin layer 41, an aluminum oxide coating 42 and a rock wool layer 43, and can achieve the purpose of three-layer flame-retardant protection for the cable (the epoxy resin layer 41 plays a first flame-retardant protection role, the aluminum oxide coating 42 plays a second flame-retardant protection role after the epoxy resin layer 41 is damaged, the rock wool layer 43 plays a third flame-retardant protection role after the aluminum oxide coating 42 is damaged), thereby effectively improving the flame-retardant effect of the cable and ensuring the use safety of the cable, the epoxy resin layer 41 is connected to the outer side of the aluminum oxide coating 42 through organic silica gel, the aluminum oxide coating 42 is coated on the outer side of the rock wool layer 43, and the rock wool, the thickness of the epoxy resin layer 41 is 1.5 to 2.2 times the thickness of the alumina coating 42, the thickness of the rock wool layer 43 is 2 to 3.5 times of that of the epoxy resin layer 41, the outer surface of the flame-retardant layer 4 is provided with the functional layer 3, the functional layer 3 comprises an ATO antistatic coating 31, a polyethylene waterproof layer 32 and a polypyrrole fiber layer 33, the ATO antistatic coating 31 can play a role in electrostatic protection, the polyethylene waterproof layer 32 can play a role in waterproof protection, the polypyrrole fiber layer 33 can play a role in insect prevention protection, the ATO antistatic coating 31 is coated on the outer side of the polyethylene waterproof layer 32, the polyethylene waterproof layer 32 is connected to the outer side of the polypyrrole fiber layer 33 through organic silica gel, the polypyrrole fiber layer 33 is connected to the outer side of the epoxy resin layer 41 through organic silica gel, the thickness of the polyethylene waterproof layer 32 is 1.5-2.5 times of that of the polypyrrole fiber layer 33, and the thickness of the polypyrrole fiber layer 33 is 2 to 4 times of the thickness of the ATO antistatic coating 31.

During the use, set up fire-retardant layer 4 including epoxy layer 41, alumina coating 42 and rock wool layer 43, can play the purpose of three-layer fire-retardant protection to this cable (epoxy layer 41 plays the fire-retardant guard action of first layer, alumina coating 42 plays the fire-retardant guard action of second floor after epoxy layer 41 damages, rock wool layer 43 plays the fire-retardant guard action of third layer after alumina coating 42 damages), thereby effectively improve the flame retardant efficiency of this cable, its safety in utilization has been ensured, set up including ATO antistatic coating 31, functional layer 3 of polyethylene waterproof layer 32 and polypyrrole fibre layer 33, ATO antistatic coating 31 wherein can play the electrostatic protection effect, polyethylene waterproof layer 32 can play the waterproof guard action, polypyrrole fibre layer 33 can play protection against insects effect, further improve the life of this cable.

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 fire-retardant fire-resistant instrument cable of polyethylene insulation, includes sinle silk (1), its characterized in that: the surface winding of sinle silk (1) has aluminium foil shielding layer (2), and the surface of aluminium foil shielding layer (2) is provided with fire-retardant layer (4), and simultaneously, fire-retardant layer (4) include epoxy layer (41), alumina coating (42) and rock wool layer (43), the surface of fire-retardant layer (4) is provided with functional layer (3), and functional layer (3) include ATO antistatic coating (31), polyethylene waterproof layer (32) and polypyrrole fibre layer (33).

2. The polyethylene insulated flame retardant instrument cable according to claim 1, wherein: epoxy layer (41) are connected in the outside of aluminium oxide coating (42) through organic silica gel, and the outside on rock wool layer (43) is established in aluminium oxide coating (42) scribbling, and rock wool layer (43) are connected in the outside of aluminium foil shielding layer (2) through organic silica gel.

3. The polyethylene insulated flame retardant instrument cable according to claim 1, wherein: the thickness of the epoxy resin layer (41) is 1.5-2.2 times of the thickness of the aluminum oxide coating (42), and the thickness of the rock wool layer (43) is 2-3.5 times of the thickness of the epoxy resin layer (41).

4. The polyethylene insulated flame retardant instrument cable according to claim 1, wherein: the ATO antistatic coating (31) is coated on the outer side of the polyethylene waterproof layer (32), the polyethylene waterproof layer (32) is connected to the outer side of the polypyrrole fiber layer (33) through organic silica gel, and the polypyrrole fiber layer (33) is connected to the outer side of the epoxy resin layer (41) through organic silica gel.

5. The polyethylene insulated flame retardant instrument cable according to claim 1, wherein: the thickness of the polyethylene waterproof layer (32) is 1.5-2.5 times of that of the polypyrrole fiber layer (33), and the thickness of the polypyrrole fiber layer (33) is 2-4 times of that of the ATO antistatic coating (31).