CN220106058U - Anti-interference special composite flexible cable - Google Patents

Abstract

The utility model discloses an anti-interference special composite flexible cable, which comprises a cable filling core and an anti-interference mechanism, wherein a plurality of signal core wires are arranged in the cable filling core; the anti-interference mechanism is located on the cable filling core, and comprises an internal anti-interference structure for wrapping the signal core wire and carrying out anti-interference on the signal core wire, and an external anti-interference structure for wrapping the cable filling core and carrying out anti-interference on the cable filling core.

Description

Anti-interference special composite flexible cable

Technical Field

The utility model relates to the technical field of cables, in particular to an anti-interference special composite flexible cable.

Background

At present, because of the continuous high-speed development of the economy in China, the power supply is very tension, the investment and construction climax of power infrastructure are caused, and particularly, the high-voltage power cable is widely used in urban power grids. In the use process of the cable, the requirements on the cable are very high, and firstly, the cable is required to have good heat resistance, strength and tensile strength, and also is required to have good insulating performance, shielding performance and anti-interference capability.

However, the traditional cable shielding structure mainly comprises a signal core wire, aluminum foil, braiding and an outer cover, and the problems of poor shielding performance and low anti-interference performance still exist in the using process of the structure.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide the anti-interference special composite flexible cable which replaces the traditional anti-interference cable and avoids the problems of poor shielding property and low anti-interference property of the traditional cable anti-interference structure.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

an anti-interference special composite flexible cable, comprising:

a cable filling core, in which a plurality of signal core wires are arranged;

the anti-interference mechanism is positioned on the cable filling core and comprises an inner anti-interference structure which wraps the signal core wire and resists interference to the signal core wire and an outer anti-interference structure which wraps the cable filling core and resists interference to the cable filling core.

As a preferable scheme of the anti-interference special composite flexible cable, the aluminum bars positioned at the center positions of the plurality of signal core wires are arranged inside the cable filling core.

As a preferable scheme of the anti-interference special composite flexible cable, the outer part of the signal core wire is wrapped with a copper mesh.

As a preferable scheme of the anti-interference special composite flexible cable, the internal anti-interference mechanism comprises a reflection wave and transmission layer, a nano superconducting graphite wave absorbing layer and a transparent wave absorbing layer which are wrapped outside a signal core wire and are sequentially arranged right inside and outside.

As a preferable scheme of the anti-interference special composite flexible cable, the external anti-interference structure comprises an aluminum strip and a semiconductive nylon strip which are arranged outside a cable filling core in sequence from inside to outside.

As a preferable scheme of the anti-interference special composite flexible cable, the anti-interference mechanism further comprises a metal corrugated pipe wrapped outside the semiconductive nylon belt;

and a fluorescent belt is arranged on the outer side wall of the metal corrugated pipe.

Compared with the prior art, the anti-interference special type composite flexible cable has the beneficial effects that the anti-interference special type composite flexible cable carries out first-layer anti-interference treatment on the outer part of the signal core wire through the inner anti-interference structure, carries out anti-interference treatment on the outer part of the cable filling core through the outer anti-interference structure, further carries out first-layer anti-interference treatment on the signal core wire, enhances the overall anti-interference performance, replaces the traditional anti-interference cable, and avoids the problems of poor shielding performance and low anti-interference performance of the traditional cable anti-interference structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

fig. 1 is a cross-sectional view of an anti-interference special composite flexible cable according to the present utility model.

In the figure: 100. a cable filler core; 110. a signal core wire; 110a, copper mesh; 120. an aluminum bar; 200. an anti-interference mechanism; 210. an internal anti-interference structure; 210a, a reflection wave and transmission layer; 210b, a nano superconducting graphite wave-absorbing layer; 210c, a transparent wave-absorbing layer; 220. an external anti-interference structure; 220a, aluminum strips; 220b, a semiconductive nylon belt; 230. a metal bellows; 230a, fluorescent band.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides an anti-interference special composite flexible cable which replaces the traditional anti-interference cable, and solves the problems of poor shielding property and low anti-interference performance of the traditional cable anti-interference structure.

Fig. 1 is a schematic structural diagram of an anti-interference special composite flexible cable according to the present utility model, and fig. 1 is a detailed description of the anti-interference special composite flexible cable.

Example 1

Referring to fig. 1, the utility model discloses an anti-interference special composite flexible cable, the main body part of which comprises a cable filling core 100 and an anti-interference mechanism 200.

The cable filling core 100 is used for protecting the signal core wires 110 conveniently, and a plurality of signal core wires 110 are arranged in the cable filling core 100 and used for transmitting signals;

in this embodiment, the inside of the cable filling core 100 is provided with an aluminum bar 120 located at the center of the plurality of signal core wires 110, so as to increase the toughness of the whole cable to avoid breakage caused by too large tensile force, and to play a role in shielding signals and resisting interference;

in the present embodiment, the outer portion of the signal core wire 110 is wrapped with the copper mesh 110a for increasing the protection performance for the signal core wire 110.

The anti-interference mechanism 200 is used for performing multiple anti-interference processing on the signal core wire 110 inside the whole cable, so that the overall shielding performance and anti-interference performance are further improved, specifically, the anti-interference mechanism 200 is located on the cable filling core 100, the anti-interference mechanism 200 comprises an inner anti-interference structure 210 wrapping the signal core wire 110 and performing anti-interference on the signal core wire 110, and an outer anti-interference structure 220 wrapping the cable filling core 100 and performing anti-interference on the cable filling core 100, the signal core wire 110 is subjected to first-layer anti-interference processing through the inner interference structure, the cable filling core 100 is subjected to anti-interference processing through the outer anti-interference structure 220, and meanwhile, the signal core wire 110 is subjected to second-layer anti-interference processing;

in this embodiment, the internal anti-interference mechanism 200 includes a reflective wave and transmission layer 210a, a nano-superconducting graphite wave-absorbing layer 210b and a transparent wave-absorbing layer 210c, which are wrapped outside the signal core 110 and are sequentially disposed on the right, the reflective wave and transmission layer 210a is made of carbon nano material, the transparent wave-absorbing layer 210c is made of carbon fiber material, and further the anti-interference effect on the signal core 110 is achieved under the composite layer structure formed by the reflective wave and transmission layer 210a, the nano-superconducting graphite wave-absorbing layer 210b and the transparent wave-absorbing layer 210 c;

in this embodiment, the external anti-interference structure 220 includes an aluminum tape 220a and a semiconductive nylon tape 220b that are sequentially disposed outside the cable filling core 100 from inside to outside, where the aluminum tape 220a and the semiconductive nylon tape 220b play a role in anti-interference to the outside of the cable filling core 100, and play a role in secondary anti-interference to the outside of the signal core 110;

in this embodiment, the external anti-interference structure 220 further includes a metal bellows 230 wrapped outside the semi-conductive nylon belt 220b, so as to increase the firmness of the whole cable structure, and to well inhibit the electromagnetic wave from passing through, and to increase the shielding effect, and meanwhile, an insulating layer is disposed between the metal bellows 230 and the semi-conductive nylon belt 220b, so as to avoid conducting electricity between the semi-conductive nylon belt 220b and the metal bellows 230, and form current, so as to cause signal interference to the signal core wire 110;

the outer side wall of the metal corrugated pipe 230 is provided with a fluorescent belt 230a, so that passers-by can conveniently observe the position of the cable in time under the environment with darker sight lines, such as at night, and then avoid, and meanwhile, workers can conveniently repair and maintain the cable at night when the cable is damaged.

In this embodiment, the specific usage flow is as follows: the first heavy anti-interference protection is performed on the outer portion of the signal core wire 110 through the inner anti-interference structure 210, the anti-interference protection is performed on the outer portion of the cable filling core 100 through the outer anti-interference structure 220, the second heavy anti-interference protection is performed on the outer portion of the signal core wire 110, the transmission of electromagnetic waves is restrained by the metal bellows 230, and then the whole cable is shielded, so that the whole cable has higher anti-interference performance and shielding performance.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. An anti-interference special composite flexible cable, characterized by comprising:

a cable filling core (100) having a plurality of signal cores (110) disposed therein;

the anti-interference mechanism (200) is located on the cable filling core (100), and the anti-interference mechanism (200) comprises an inner anti-interference structure (210) which wraps the signal core wire (110) and resists interference to the signal core wire (110) and an outer anti-interference structure (220) which wraps the cable filling core (100) and resists interference to the cable filling core (100).

2. The special anti-interference composite flexible cable according to claim 1, wherein an aluminum bar (120) is disposed inside the cable filling core (100) at a central position of the plurality of signal core wires (110).

3. The special anti-interference composite flexible cable according to claim 1, wherein the signal core wire (110) is externally wrapped with a copper mesh (110 a).

4. The special anti-interference composite flexible cable according to claim 1, wherein the anti-interference mechanism (200) comprises a reflective wave and transmission layer (210 a), a nano superconducting graphite wave absorbing layer (210 b) and a transparent wave absorbing layer (210 c) which are wrapped outside the signal core wire (110) and are sequentially arranged right inside and outside.

5. The special anti-interference composite flexible cable according to claim 1, wherein the external anti-interference structure (220) comprises an aluminum tape (220 a) and a semiconductive nylon tape (220 b) which are arranged outside the cable filling core (100) in sequence from inside to outside.

6. The special composite flexible cable of claim 5, wherein the outer anti-interference structure (220) further comprises a metal bellows (230) wrapped around the outer portion of the semi-conductive nylon strap (220 b);

the outer side wall of the metal corrugated pipe (230) is provided with a fluorescent band (230 a).