CN212010470U

CN212010470U - Novel central force-bearing flexible communication cable

Info

Publication number: CN212010470U
Application number: CN202021035698.8U
Authority: CN
Inventors: 张立澎
Original assignee: Shenzhen Hilum Technology Co ltd
Current assignee: Shenzhen Hilum Technology Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2020-11-24
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to the technical field of cables, and a novel flexible communication cable of center load is disclosed, which comprises a conductor, the outer lane cover of conductor is equipped with the insulating layer, the outer lane cover of insulating layer is equipped with the filling layer, the outer lane cover of filling layer is equipped with fire-retardant layer, the outer lane cover of fire-retardant layer is equipped with the wearing layer, the filling layer is connected with a plurality of fire prevention mechanism, fire prevention mechanism includes that division board, first connection chamber, second connect the chamber, the cavity has been seted up to the filling layer, division board fixed connection is on the chamber wall of cavity, just the division board separates the cavity for first connection chamber and second connection chamber, the intussuseption of first connection chamber is filled with aluminum sulfate solution, the intracavity is filled with sodium bicarbonate solution to the second connection, first connection chamber and second connection intracavity are filled with aluminum sulfate. The utility model discloses make the unable fire that catches fire of cable, prevented that the conflagration from taking place, the security of protection property has avoided the conflagration accident to take place.

Description

Novel central force-bearing flexible communication cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a novel flexible communication cable of center load.

Background

Cables are often rope-like cables made by stranding several or several groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation, and in the field of power transportation and communication which are frequently used, the conventional cable is easy to generate high temperature when short circuit occurs inside, and the high temperature can cause fire disasters, so that economic losses and fire disasters are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art cable and producing high temperature easily when inside short circuit, high temperature probably causes the conflagration, causes economic loss and conflagration problem, and the novel flexible communication cable of center load that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel center force-bearing flexible communication cable comprises a conductor, wherein an insulating layer is sleeved on the outer ring of the conductor, a filling layer is sleeved on the outer ring of the insulating layer, a flame-retardant layer is sleeved on the outer ring of the filling layer, a wear-resistant layer is sleeved on the outer ring of the flame-retardant layer, and a plurality of fireproof mechanisms are connected on the filling layer;

the fireproof mechanism comprises a partition plate, a first connecting cavity and a second connecting cavity, the cavity is formed in the filling layer, the partition plate is fixedly connected to the wall of the cavity, the cavity is divided into the first connecting cavity and the second connecting cavity by the partition plate, an aluminum sulfate solution is filled in the first connecting cavity, a sodium bicarbonate solution is filled in the second connecting cavity, the partition plate is made of a thin tin sheet material, and foaming agents are filled in the first connecting cavity and the second connecting cavity.

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

Preferably, the material of the flame retardant layer is polyvinyl chloride.

Preferably, the wear-resistant layer is made of glass fiber.

Preferably, the walls of the first connecting cavity and the second connecting cavity are both fixedly connected with elastic rings.

Preferably, the conductor is made of brass.

Compared with the prior art, the utility model provides a novel flexible communication cable of center load possesses following beneficial effect:

this novel flexible communication cable of center load connects the chamber to constitute a fire prevention mechanism through setting up division board, first connection chamber, second, makes the unable fire that catches fire of cable, has prevented that the conflagration from taking place, protects property safety, has avoided the conflagration occurence of failure to take place.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the unable fire that catches fire of cable, prevented that the conflagration from taking place, protect property safety, avoided the conflagration occurence of failure to take place.

Drawings

Fig. 1 is a schematic structural view of a novel central force-bearing flexible communication cable provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the cable comprises a conductor 1, an insulating layer 2, a filling layer 3, a flame-retardant layer 4, a wear-resistant layer 5, a fireproof mechanism 6, a partition plate 61, a first connecting cavity 62, a second connecting cavity 63 and an elastic ring 7.

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.

Referring to fig. 1-2, a novel center force-bearing flexible communication cable comprises a conductor 1, wherein an insulating layer 2 is sleeved on the outer ring of the conductor 1, a filling layer 3 is sleeved on the outer ring of the insulating layer 2, a flame-retardant layer 4 is sleeved on the outer ring of the filling layer 3, a wear-resistant layer 5 is sleeved on the outer ring of the flame-retardant layer 4, and the filling layer 3 is connected with a plurality of fireproof mechanisms 6;

the fireproof mechanism 6 comprises a partition board 61, a first connecting cavity 62 and a second connecting cavity 63, a cavity is formed in the filling layer 3, the partition board 61 is fixedly connected to the cavity wall of the cavity, the cavity is divided into the first connecting cavity 62 and the second connecting cavity 63 by the partition board 61, an aluminum sulfate solution is filled in the first connecting cavity 62, a sodium bicarbonate solution is filled in the second connecting cavity 63, the partition board 61 is made of a thin tin sheet material, foaming agents are filled in the first connecting cavity 62 and the second connecting cavity 63, when a cable is short-circuited and generates high temperature, the partition board is damaged and melted at high temperature, the aluminum sulfate solution in the first connecting cavity 62 and the sodium bicarbonate solution in the second connecting cavity 63 are mixed to generate a large amount of carbon dioxide gas, the carbon dioxide gas and the air foaming agents form foams, the foams isolate air absorption temperature, so that the cable cannot be ignited, fire disasters are prevented, and property safety is protected, the fire accident is avoided.

The insulating layer 2 is made of cross-linked polyethylene, so that the insulating property is better.

The flame-retardant layer 4 is made of polyvinyl chloride, is not easy to catch fire and is more resistant to high temperature.

The wear-resistant layer 5 is made of glass fiber, so that the strength is high, the wear is not easy to occur, and the protection capability is high.

The walls of the first connecting cavity 62 and the second connecting cavity 63 are fixedly connected with the elastic ring 7, so that the first connecting cavity 62 and the second connecting cavity 63 are prevented from being excessively compressed, and the partition plate 61 is prevented from being broken.

The conductor 1 is made of brass, and has low resistance and good conductivity.

The utility model discloses in, when the cable short circuit produced high temperature, the spacer was damaged and melted under high temperature, and the aluminium sulfate solution in the first connecting chamber 62 and the sodium bicarbonate solution in the second connecting chamber 63 mix and produce a large amount of carbon dioxide gas, and carbon dioxide gas and bubble agent form the foam, and the foam is isolated the air absorption temperature, makes the unable fire that catches fire of cable, has prevented the conflagration emergence, protects property safety, has avoided the fire incident to take place.

The above, 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 novel center bearing flexible communication cable comprises a conductor (1) and is characterized in that an insulating layer (2) is sleeved on the outer ring of the conductor (1), a filling layer (3) is sleeved on the outer ring of the insulating layer (2), a flame-retardant layer (4) is sleeved on the outer ring of the filling layer (3), a wear-resistant layer (5) is sleeved on the outer ring of the flame-retardant layer (4), and the filling layer (3) is connected with a plurality of fireproof mechanisms (6);

fireproof mechanism (6) are including division board (61), first connection chamber (62), second connection chamber (63), the cavity has been seted up in filling layer (3), division board (61) fixed connection is on the chamber wall of cavity, just division board (61) are separated the cavity for first connection chamber (62) and second connection chamber (63), first connection chamber (62) intussuseption is filled with aluminum sulfate solution, second connection chamber (63) intussuseption is filled with sodium bicarbonate solution, the material of division board (61) is thin tin sheet material, first connection chamber (62) and second connection chamber (63) intussuseption are filled with the foamer.

2. The novel flexible communication cable with force bearing in the center as claimed in claim 1, wherein the insulating layer (2) is made of cross-linked polyethylene.

3. The novel flexible communication cable with force bearing in the center as claimed in claim 1, wherein the flame retardant layer (4) is made of polyvinyl chloride.

4. The novel flexible communication cable with force bearing in the center as claimed in claim 1, wherein the wear-resistant layer (5) is made of glass fiber.

5. The novel center force-bearing flexible communication cable as claimed in claim 1, wherein the walls of the first connection cavity (62) and the second connection cavity (63) are fixedly connected with elastic rings (7).

6. The novel central force-bearing flexible communication cable as claimed in claim 1, wherein the conductor (1) is made of brass.