CN216487473U

CN216487473U - Ultra-long-life radiation-resistant communication cable

Info

Publication number: CN216487473U
Application number: CN202123088925.0U
Authority: CN
Inventors: 吴春红; 王巧云; 戴光华; 戴永拓; 曹玉呈; 汪盛昌; 董培虎; 圣大勇; 李桃林; 佘荣; 董铂; 徐勇
Original assignee: Jiangsu Saide Electric Co ltd
Current assignee: Jiangsu Saide Electric Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-10
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a radiation-resistant communication cable of overlength life in cable technical field, include: around covering and cable core, establish on the outer wall of four cable cores around the covering cover, the cable core includes the conductor, conductor outer wall cover is equipped with the insulating layer, insulating layer outer wall cover is equipped with the internal shield layer, internal shield layer outer wall cover is equipped with the inner sheath, around covering outer wall cover be equipped with the protective layer, protective layer outer wall cover is equipped with the external shield, external shield outer wall cover is equipped with the armor, armor outer wall cover is equipped with the oversheath, and through internal shield layer, external shield, armor and the cooperation of radiation protection layer in the device, the anti-interference radiation protection ability that increases the cable makes communication cable can normally transmit signal to by intensity, compressive capacity and the bending resistance ability through the enhancement strip increase cable, the life of extension cable.

Description

Ultra-long-life radiation-resistant communication cable

Technical Field

The utility model relates to the technical field of cables, specifically be the resistant radiation communication cable of overlength life.

Background

The cable is the device that is used for transmitting electric energy or signal, can use communication cable at the in-process of transmission information, and current communication cable is at the in-process that uses, for avoiding external disturbance, generally can be at communication cable internally mounted shielding layer, and single shielding layer interference killing feature is relatively poor, causes the influence to communication cable's signal transmission, for this reason, we propose the resistant communication cable that radiates of super long-life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radiation-resistant communication cable of overlength life 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: long-life radiation-resistant communication cable includes: the wrapping layer and the cable core are wrapped;

the wrapping layer is sleeved on the outer walls of the four cable cores;

the cable core comprises a conductor, an insulating layer is sleeved on the outer wall of the conductor, an inner shielding layer is sleeved on the outer wall of the insulating layer, and an inner sheath is sleeved on the outer wall of the inner shielding layer;

the protective layer is sleeved on the outer wall of the wrapping layer, the outer shielding layer is sleeved on the outer wall of the protective layer, the armor layer is sleeved on the outer wall of the outer shielding layer, and the outer sheath is sleeved on the outer wall of the armor layer.

Preferably, the inner wall of the outer sheath is uniformly provided with mounting holes, and reinforcing strips are longitudinally arranged in the inner cavities of the mounting holes.

Preferably, two groups of holes are longitudinally formed in the inner cavity of the reinforcing strip, and reinforcing ribs are installed in the inner cavity with the holes in the inner side.

Preferably, the protective layer is established the waterproof layer on the wrapping layer outer wall including the cover, and waterproof layer outer wall cover is equipped with fire-retardant layer.

Preferably, the outer sheath comprises an anti-radiation layer and a low-smoke halogen-free layer, the low-smoke halogen-free layer is sleeved on the outer wall of the anti-radiation layer, and the anti-radiation layer is sleeved on the outer wall of the armor layer.

Preferably, a filling layer is filled between the inner cavity of the wrapping layer and the outer walls of the four groups of cable cores, and the filling layer is a polyethylene filling layer.

Compared with the prior art, the beneficial effects of the utility model are that: through internal shield layer, outer shielding layer, armor and the cooperation of radiation protection layer in the device, increase the anti-interference radiation protection ability of cable, make communication cable can normal transmission signal to by intensity, compressive capacity and the anti-bending ability through strengthening the strip increase cable, the life of extension cable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. wrapping a covering; 2. a conductor; 3. an insulating layer; 4. an inner shield layer; 5. an inner sheath; 6. a protective layer; 7. an outer shield layer; 8. an armor layer; 9. an outer sheath; 10. a reinforcing strip.

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.

Example 1:

the utility model provides a technical scheme: referring to fig. 1, the ultra-long life radiation-resistant communication cable includes: the lapping layer 1 and the cable core;

the wrapping layer 1 is sleeved on the outer walls of the four cable cores, and the ultra-long service life refers to a cable with a service life of 60 years;

the cable core comprises a conductor 2, wherein an insulating layer 3 is sleeved on the outer wall of the conductor 2, the insulating layer 3 is made of high-density polyolefin material, an inner shielding layer 4 is sleeved on the outer wall of the insulating layer 3, the inner shielding layer 4 is made of high-density polyolefin material, an inner sheath 5 is sleeved on the outer wall of the inner shielding layer 4, and the inner sheath 5 is made of environment-friendly flame-retardant elastomer polyvinyl chloride material;

referring to fig. 1, a protective layer 6 is sleeved on the outer wall of a wrapping layer 1, the protective layer 6 comprises a waterproof layer sleeved on the outer wall of the wrapping layer 1, the waterproof layer is made of polyurethane plastic, a flame-retardant layer is sleeved on the outer wall of the waterproof layer, and the flame-retardant layer and the wrapping layer 1 are made of flame-retardant mica tapes in a wrapping mode and are made of flame-retardant mica tapes in a wrapping mode;

referring to fig. 1, an outer shielding layer 7 is sleeved on the outer wall of a protective layer 6, the outer shielding layer 7 is an aluminum tape wrapping layer, an armor layer 8 is sleeved on the outer wall of the outer shielding layer 7, and the armor layer 8 is formed by weaving copper wires, so that the overall strength of the cable can be increased, and an anti-interference shielding effect can be achieved;

referring to fig. 1, an outer sheath 9 is sleeved on the outer wall of an armor layer 8, the outer sheath 9 includes a radiation protection layer and a low-smoke halogen-free layer, the low-smoke halogen-free layer is sleeved on the outer wall of the radiation protection layer, the radiation protection layer is sleeved on the outer wall of the armor layer 8, and the radiation protection layer is made of polyurethane rubber, so that the radiation resistance and interference resistance of the cable are improved;

referring to fig. 1, a filling layer is filled between the inner cavity of the wrapping layer 1 and the outer walls of the four cable cores, and the filling layer is a polyethylene filling layer.

Example 2:

referring to fig. 1, on the basis of embodiment 1, mounting holes are uniformly formed in the inner wall of an outer sheath 9, reinforcing strips 10 are longitudinally arranged in the inner cavity of each mounting hole, the reinforcing strips 10 are made of rubber, so that the overall strength of the cable is improved, the pressure resistance and the bending resistance of the cable can be improved, the service life of the cable is prolonged, two groups of holes are longitudinally formed in the inner cavity of each reinforcing strip 10, and reinforcing ribs are arranged in the inner cavity of each hole;

compared with the embodiment 1, the reinforcing strip 10 and other components are added, the overall strength of the cable is improved, the compression resistance and bending resistance of the cable can be improved, and the service life of the cable is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. Radiation-resistant communication cable of overlength life-span, its characterized in that: the method comprises the following steps: the wrapping layer (1) and the cable core are wrapped;

the wrapping layer (1) is sleeved on the outer walls of the four cable cores;

the cable core comprises a conductor (2), an insulating layer (3) is sleeved on the outer wall of the conductor (2), an inner shielding layer (4) is sleeved on the outer wall of the insulating layer (3), and an inner sheath (5) is sleeved on the outer wall of the inner shielding layer (4);

the protective layer (6) is sleeved on the outer wall of the wrapping layer (1), the outer shielding layer (7) is sleeved on the outer wall of the protective layer (6), the armor layer (8) is sleeved on the outer wall of the outer shielding layer (7), and the outer sheath (9) is sleeved on the outer wall of the armor layer (8).

2. The ultra-long life radiation-resistant communications cable of claim 1, wherein: the inner wall of the outer sheath (9) is uniformly provided with mounting holes, and reinforcing strips (10) are longitudinally arranged in the inner cavities of the mounting holes.

3. The ultra-long life radiation-resistant communications cable of claim 2, wherein: two groups of holes are longitudinally formed in the inner cavity of the reinforcing strip (10), and reinforcing ribs are installed in the inner cavity with the holes in the inner side.

4. The ultra-long life radiation-resistant communications cable of claim 1, wherein: protective layer (6) are established including the cover and are being lapped the waterproof layer on covering (1) outer wall, and waterproof layer outer wall cover is equipped with fire-retardant layer.

5. The ultra-long life radiation-resistant communications cable of claim 1, wherein: oversheath (9) are including protecting against radiation layer and low smoke and no halogen layer, and low smoke and no halogen layer cover establishes on the outer wall on the layer of protecting against radiation, and the layer cover of protecting against radiation establishes on the outer wall of armor (8).

6. The ultra-long life radiation-resistant communications cable of claim 1, wherein: and a filling layer is filled between the inner cavity of the wrapping layer (1) and the outer walls of the four groups of cable cores, and the filling layer is a polyethylene filling layer.