CN210865674U

CN210865674U - High-shielding-performance variable frequency control cable

Info

Publication number: CN210865674U
Application number: CN201822062746.1U
Authority: CN
Inventors: 孙世豪; 百留萍; 赫瑞奇; 郑小东; 李娟�
Original assignee: Henan State Grid Cable Group Co ltd
Current assignee: Henan State Grid Cable Group Co ltd
Priority date: 2018-12-10
Filing date: 2018-12-10
Publication date: 2020-06-26
Anticipated expiration: 2028-12-10

Abstract

The utility model discloses a high shielding frequency conversion control cable, including the isolation layer, the inner chamber of isolation layer is provided with the inoxidizing coating, the inner chamber of inoxidizing coating is provided with the copper conductor, the surface of copper conductor is provided with the insulating layer, the surface of isolation layer is provided with the separation shielding layer, the surface of separation shielding layer is provided with the gum cover, the separation shielding layer includes the copper wire weaving layer, one side that the separation shielding layer was kept away from to the copper wire weaving layer is provided with the aramid weaving layer, one side that the copper wire weaving layer was kept away from to the aramid weaving layer is provided with the aluminium foil. The utility model discloses a set up mutually supporting of isolation layer, inoxidizing coating, copper conductor, insulating layer, separation shielding layer and gum cover, reached the advantage that shielding property is good, solved the poor problem of current variable frequency control cable shielding property, make variable frequency control cable when using, can not receive the interference of neighbouring conveyor cable control signal, made things convenient for people to use.

Description

High-shielding-performance variable frequency control cable

Technical Field

The utility model relates to a frequency conversion control cable technical field specifically is a high shielding frequency conversion control cable.

Background

The frequency conversion control cable is mainly used in industrial and mining enterprises, energy traffic departments, control and protection circuits for alternating current rated voltage below 450/750V, along with the continuous expansion of the industrial scale of power industry, data communication industry, urban rail traffic industry, automobile industry, shipbuilding and the like, the demand on the electric wire and cable is rapidly increased, the requirement of people on the cable is also gradually improved, such as the fire resistance, the insulativity, the mechanical strength, the shielding performance and the like of the cable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high shielding nature variable frequency control cable possesses the advantage that shielding property is good, has solved the poor problem of current variable frequency control cable shielding property.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high shielding frequency conversion control cable, includes the isolation layer, the inner chamber of isolation layer is provided with the inoxidizing coating, the inner chamber of inoxidizing coating is provided with the copper conductor, the surface of copper conductor is provided with the insulating layer, the surface of isolation layer is provided with the separation shielding layer, the surface of separation shielding layer is provided with the gum cover.

Preferably, the separation shielding layer comprises a copper wire woven layer, an aramid woven layer is arranged on the inner side of the copper wire woven layer, and an aluminum foil layer is arranged on one side, away from the copper wire woven layer, of the aramid woven layer.

Preferably, the protective layer comprises a waterproof layer, a water-blocking winding belting layer is arranged on the inner side of the waterproof layer, and a fireproof layer is arranged on one side, far away from the waterproof layer, of the water-blocking winding belting layer.

Preferably, the material of the insulating layer is polytetrafluoroethylene material.

Preferably, the material of the fire-proof layer is ceramic silicon rubber.

Preferably, the rubber sleeve is a flame-retardant low-smoke halogen-free sheath.

(III) advantageous effects

Compared with the prior art, the utility model provides a high shielding nature variable frequency control cable possesses following beneficial effect:

1. the utility model discloses a set up mutually supporting of isolation layer, inoxidizing coating, copper conductor, insulating layer, separation shielding layer and gum cover, reached the advantage that shielding property is good, solved the poor problem of current variable frequency control cable shielding property, make variable frequency control cable when using, can not receive the interference of neighbouring delivery cable control signal, made things convenient for people to use, improved variable frequency control cable's practicality.

2. The utility model discloses a set up the aluminium foil layer, played the effect of reinforcing shielding nature to copper conductor when carrying control signal, solved the poor problem of copper conductor shielding nature when carrying control signal, through setting up the flame retardant coating, played fire-retardant effect to copper conductor, solved the poor problem of copper conductor fire behaviour when using, through setting up the aramid weaving layer, played the effect of gaining in strength to the copper wire weaving layer, solved the cracked problem of copper wire weaving layer appearance when the work is used.

Drawings

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

FIG. 2 is a partial cross-sectional view of the protective layer of the present invention;

fig. 3 is a partial cross-sectional view of the barrier shield of the present invention.

In the figure: 1 isolation layer, 2 inoxidizing coating, 21 waterproof layer, 22 prevent that water is around belting layer, 23 flame retardant coating, 3 copper conductor, 4 insulating layers, 5 separation shielding layer, 51 copper wire weaving layer, 52 aramid weaving layer, 53 aluminium foil layer, 6 gum covers.

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, a high-shielding frequency conversion control cable comprises an isolation layer 1, a protection layer 2 is arranged in an inner cavity of the isolation layer 1, the protection layer 2 comprises a waterproof layer 21, a water-blocking wrapping tape layer 22 is arranged on the inner side of the waterproof layer 21, a fireproof layer 23 is arranged on one side, away from the waterproof layer 21, of the water-blocking wrapping tape layer 22, the fireproof layer 23 plays a role in inflaming retarding on a copper conductor 3 by arranging the fireproof layer 23, the problem that the inflaming retarding performance of the copper conductor 3 is poor when the copper conductor is used is solved, the fireproof layer 23 is made of ceramic silicon rubber, the inner cavity of the protection layer 2 is provided with the copper conductor 3, the surface of the copper conductor 3 is provided with an insulation layer 4, the insulation layer 4 is made of polytetrafluoroethylene, a blocking shielding layer 5 is arranged on the surface of the isolation layer 1, the blocking shielding layer 5, the strength of the copper wire braided layer 51 is enhanced, the problem that the copper wire braided layer 51 is broken when the cable works and is used is solved, the aluminum foil layer 53 is arranged on one side, away from the copper wire braided layer 51, of the aramid fiber braided layer 52, the shielding performance of the copper wire 3 is enhanced by arranging the aluminum foil layer 53, the problem that the shielding performance of the copper wire 3 is poor when the control signal is transmitted is solved, the rubber sleeve 6 is arranged on the surface of the blocking shielding layer 5, the rubber sleeve 6 is a flame-retardant low-smoke zero-halogen sheath, the advantages of good shielding performance are achieved by arranging the isolation layer 1, the protective layer 2, the copper wire 3, the insulating layer 4, the blocking shielding layer 5 and the rubber sleeve 6 in a mutual matching manner, the problem of poor shielding performance of the existing variable frequency control cable is solved, the variable frequency control cable cannot be interfered by adjacent transmission cable control signals when the variable frequency control cable is used, and the, the practicality of the frequency conversion control cable is improved.

During the use, through inoxidizing coating 2, waterproof layer 21, block water and around mutually supporting of band layer 22 and flame retardant coating 23, reached fire prevention and waterproof effect, through setting up insulating layer 4, reached anticreep effect, through mutually supporting of separation shielding layer 5, copper wire weaving layer 51, aramid weaving layer 52 and aluminium foil layer 53, reached and prevented the rupture and the high effect of shielding nature to the advantage that shielding property is good has been reached.

All the standard parts used in the present application can be purchased from the market, all the components in the present application can be customized according to the description of the specification and the attached drawings, the connection relationship and the specific structure between the layers in the present application adopt the prior art, and the detailed description is not provided herein.

In conclusion, this high shielding nature frequency conversion control cable through isolation layer 1, inoxidizing coating 2, copper conductor 3, insulating layer 4, separation shielding layer 5 and the mutual cooperation of gum cover 6, has solved the poor problem of current frequency conversion control cable shielding property.

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 high shielding frequency conversion control cable comprises an isolation layer (1), and is characterized in that: the inner chamber of isolation layer (1) is provided with inoxidizing coating (2), the inner chamber of inoxidizing coating (2) is provided with copper conductor (3), the surface of copper conductor (3) is provided with insulating layer (4), the surface of isolation layer (1) is provided with separation shielding layer (5), the surface of separation shielding layer (5) is provided with gum cover (6).

2. The highly shielding frequency conversion control cable according to claim 1, wherein: the separation shielding layer (5) comprises a copper wire woven layer (51), an aramid woven layer (52) is arranged on the inner side of the copper wire woven layer (51), and an aluminum foil layer (53) is arranged on one side, away from the copper wire woven layer (51), of the aramid woven layer (52).

3. The highly shielding frequency conversion control cable according to claim 1, wherein: the protective layer (2) comprises a waterproof layer (21), a water-blocking wrapping tape layer (22) is arranged on the inner side of the waterproof layer (21), and a fireproof layer (23) is arranged on one side, far away from the waterproof layer (21), of the water-blocking wrapping tape layer (22).

4. The highly shielding frequency conversion control cable according to claim 1, wherein: the insulating layer (4) is made of polytetrafluoroethylene.

5. The highly shielding frequency conversion control cable according to claim 3, wherein: the fireproof layer (23) is made of ceramic silicon rubber.

6. The highly shielding frequency conversion control cable according to claim 1, wherein: the rubber sleeve (6) is a flame-retardant low-smoke halogen-free sheath.