CN213660049U

CN213660049U - High-temperature-resistant composite cable for communication

Info

Publication number: CN213660049U
Application number: CN202120047047.9U
Authority: CN
Inventors: 赵国华; 李亮德; 赵爱花; 严栋霖
Original assignee: Jiangsu Guojia Conductor Technology Co ltd
Current assignee: Jiangsu Guojia Conductor Technology Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-07-09
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a high temperature resistant composite cable for communication, including first flame retardant coating, elasticity core, cable core, insulating layer, shielding layer, filler, compressive layer, elasticity ball, first fire-retardant layer, second flame retardant coating, the fire-retardant layer of second and armor, the mid point department of first flame retardant coating inside is provided with the elasticity core, the inside evenly distributed of first flame retardant coating has four cable cores, the surface of cable core is provided with the insulating layer. The utility model discloses a set up first flame retardant coating and second flame retardant coating, good high temperature resistant effect has been played, through setting up filler and elastic core, the holistic resistance to compression of cable, fire-retardant and anti-buckling performance can be effectively improved, through setting up the fire-retardant layer of first fire-retardant layer and second, the holistic flame retardant efficiency of cable and high temperature resistant effect have greatly been improved, through setting up the armor, the wear resistance of cable has effectively been improved, through setting up compressive layer and elastic ball, the holistic compressive property of cable has effectively been improved.

Description

High-temperature-resistant composite cable for communication

Technical Field

The utility model relates to the technical field of cables, specifically be a high temperature resistant composite cable for communication.

Background

A cable is typically a rope-like cable made up of several or groups of at least two twisted conductors, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The device is erected in the air or installed underground or underwater for telecommunication or power transmission. The cable may be classified into a power cable, a communication cable, a control cable, and the like according to its use. The cable is mostly applied to dense areas of population and power grids and places with crowded and busy traffic; when the cable is laid in the river, the river and the seabed, the use of large-span overhead lines can be avoided. Cables may also be used where it is desirable to avoid interference of overhead lines with communications and where aesthetic considerations or exposure to objects are desired.

At present, a common composite cable for communication has poor high-temperature resistance and poor safety performance, and cannot meet the use requirements of modern users, so that a high-temperature-resistant composite cable for communication is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant composite cable for communication 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: a high-temperature-resistant composite cable for communication comprises a first flame retardant coating, an elastic core body, cable core bodies, an insulating layer, a shielding layer, a filler, a pressure-resistant layer, elastic balls, a first flame retardant coating, a second flame retardant coating and an armor layer, wherein the elastic core body is arranged at the midpoint inside of the first flame retardant coating, four cable core bodies are uniformly distributed inside the first flame retardant coating, the insulating layer is arranged on the outer surface of the cable core body, the shielding layer is arranged on the outer surface of the insulating layer, the filler is arranged inside the first flame retardant coating, the pressure-resistant layer is arranged on the outer surface of the first flame retardant coating, the elastic balls are arranged inside the pressure-resistant layer in a surrounding manner, the first flame retardant coating is arranged on the outer surface of the pressure-resistant layer, the second flame retardant coating is arranged on the outer surface of the first flame retardant coating, and an armor layer is arranged on the outer surface of the second flame-retardant layer.

Preferably, the filler is glass fiber.

Preferably, the elastic ball is made of rubber.

Preferably, the first fire-resistant layer and the second fire-resistant layer are formed by wrapping ceramic fire-resistant composite tapes and synthetic mica tapes in a composite wrapping manner.

Preferably, the first flame-retardant layer and the second flame-retardant layer are respectively formed by wrapping a flame-retardant non-woven fabric belt.

Preferably, the thickness of the armor is 0.3-0.6 mm.

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

the utility model discloses a set up first flame retardant coating and second flame retardant coating, good high temperature resistant effect has been played, through setting up filler and elastic core, the holistic resistance to compression of cable, fire-retardant and anti-buckling performance can be effectively improved, through setting up the fire-retardant layer of first fire-retardant layer and second, the holistic flame retardant efficiency of cable and high temperature resistant effect have greatly been improved, through setting up the armor, the wear resistance of cable has effectively been improved, through setting up compressive layer and elastic ball, the holistic compressive property of cable has effectively been improved.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

fig. 2 is a schematic structural diagram of a left side view of the present invention.

In the figure: 1 a first flame retardant coating, 2 an elastic core body, 3 a cable core body, 4 an insulating layer, 5 a shielding layer, 6 fillers, 7 a pressure resistant layer, 8 an elastic ball, 9 a first flame retardant coating, 10 a second flame retardant coating, 11 a second flame retardant coating and 12 an armor 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, a high temperature resistant composite cable for communication includes a first flame retardant layer 1, an elastic core 2, a cable core 3, an insulating layer 4, a shielding layer 5, a filler 6, a compression resistant layer 7, elastic balls 8, a first flame retardant layer 9, a second flame retardant layer 10, a second flame retardant layer 11 and an armor layer 12, wherein the elastic core 2 is disposed at a midpoint inside the first flame retardant layer 1, four cable cores 3 are uniformly distributed inside the first flame retardant layer 1, the insulating layer 4 is disposed on an outer surface of the cable core 3, the shielding layer 5 is disposed on an outer surface of the insulating layer 4, the filler 6 is disposed inside the first flame retardant layer 1, the filler 6 is glass fiber, the compression resistant layer 7 is disposed on an outer surface of the first flame retardant layer 1, the plurality of elastic balls 8 are disposed around an inner portion of the compression resistant layer 7, the elastic balls 8 are made of rubber, the first flame retardant layer 9 is disposed on an outer surface of the compression resistant layer 7, the outer surface of the first flame-retardant layer 9 is provided with a second flame-retardant layer 10, the first flame-retardant layer 1 and the second flame-retardant layer 10 are respectively formed by compounding and winding a ceramic fire-resistant composite tape and a synthetic mica tape, the mica tape is also called fire-resistant mica tape and is made of (mica tape machine) fire-resistant insulating material, and the mica tape for the motor and the cable can be divided into a double-sided tape, a single-sided tape, a triple-sided tape, a double-film tape, a single-film tape and the like according to the application, and can be divided into a synthetic mica tape, a phlogopite tape and a muscovite tape according to the structure, and the mica tape for the fire-resistant safety cable is a high-performance mica insulating product and has excellent high-temperature resistance and combustion resistance, the synthetic tape fluorophlogopite tape does not contain crystal water, has a melting point of 1375 ℃, has large safety margin and best high-temperature resistance, and phlogopite releases crystal water at more than 800 ℃, and has inferior high-, The muscovite releases crystal water at 600 ℃, the high temperature resistance is poor, the performance of the muscovite is also based on the compounding degree of the mica tape machine, the second flame-retardant layer 11 is arranged on the outer surface of the second flame-retardant layer 10, the first flame-retardant layer 9 and the second flame-retardant layer 11 are formed by wrapping flame-retardant non-woven fabric belts, the armor layer 12 is arranged on the outer surface of the second flame-retardant layer 11, and the thickness of the armor layer 12 is 0.3-0.6 mm.

During the use, the utility model discloses a set up first flame retardant coating 1 and second flame retardant coating 10, good high temperature resistant effect has been played, through setting up filler 6 and elastic core body 2, the holistic resistance to compression of cable can be effectively improved, fire-retardant and anti-buckling performance, through setting up first flame retardant coating 9 and the fire-retardant layer 11 of second, the holistic flame retardant efficiency of cable and high temperature resistant effect have greatly been improved, through setting up armor 12, the wear resistance of cable has effectively been improved, through setting up compressive layer 7 and elastic ball 8, the holistic compressive property of cable has effectively been improved.

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 temperature resistant composite cable for communication, includes first flame retardant coating (1), elasticity core (2), cable core (3), insulating layer (4), shielding layer (5), filler (6), resistance to compression layer (7), elastic ball (8), first flame retardant coating (9), second flame retardant coating (10), the fire-retardant layer of second (11) and armor (12), its characterized in that: an elastic core body (2) is arranged at the middle point inside the first refractory layer (1), four cable cores (3) are uniformly distributed in the first fire-resistant layer (1), an insulating layer (4) is arranged on the outer surface of the cable core body (3), a shielding layer (5) is arranged on the outer surface of the insulating layer (4), the inner part of the first refractory layer (1) is provided with a filler (6), the outer surface of the first refractory layer (1) is provided with a pressure resistant layer (7), a plurality of elastic balls (8) are arranged around the inner part of the pressure resistant layer (7), a first flame-retardant layer (9) is arranged on the outer surface of the pressure-resistant layer (7), a second flame-retardant layer (10) is arranged on the outer surface of the first flame-retardant layer (9), a second flame-retardant layer (11) is arranged on the outer surface of the second flame-retardant layer (10), and an armor layer (12) is arranged on the outer surface of the second flame-retardant layer (11).

2. The composite cable for high temperature resistant communication according to claim 1, wherein: the filler (6) is glass fiber.

3. The composite cable for high temperature resistant communication according to claim 2, wherein: the elastic ball (8) is made of rubber.

4. The composite cable for high temperature resistant communication according to claim 3, wherein: the first fire-resistant layer (1) and the second fire-resistant layer (10) are formed by wrapping ceramic fire-resistant composite tapes and synthetic mica tapes in a composite wrapping mode.

5. The composite cable for high temperature resistant communication according to claim 4, wherein: the first flame-retardant layer (9) and the second flame-retardant layer (11) are formed by wrapping flame-retardant non-woven fabric belts.

6. The composite cable for high temperature resistant communication according to claim 5, wherein: the thickness of the armor layer (12) is 0.3-0.6 mm.