CN218866744U - High-voltage pulse is with shielding cable - Google Patents

Abstract

The application discloses high-voltage pulse is with shielding cable includes: the high-voltage insulating layer is configured to be provided with a routing channel so that the cable extends along the extending direction of the routing channel; a shield layer configured to be connected to a ground line to ground the shield layer; a twisted pair configured to have two strands of wires twisted with each other; the high-voltage pulse shielded cable further includes: the copper-clad layer is configured to be tightly attached to the outer wall of the high-voltage insulating layer and extend along the extending direction of the routing channel so that the copper-clad layer covers the outer surface of the high-voltage insulating layer; the filling layer is arranged in the wiring channel; the copper-clad layer is also provided with a grounding wire so as to enable the copper-clad layer to be grounded; the shielding cable for the high-voltage pulse has the beneficial effects that the electromagnetic interference overflow generated by the strong current signal of the high-voltage pulse cable is reduced.

Description

High-voltage pulse is with shielding cable

Technical Field

The application relates to a high-voltage pulse cable, in particular to a shielding cable for high-voltage pulse.

Background

The high-voltage pulse cable is used for transmitting high-power energy, the high-voltage pulse amplitude is large, the rising edge and the falling edge are narrow, the parameters are extreme, and the electromagnetic radiation is serious;

in the prior art, for example, patent No. (CN 202022537290.7) is a silicone rubber insulated wire resistant to electromagnetic pulse interference; the shielding cable comprises a conducting wire, an insulating layer, a belting layer, an inner shielding layer, an outer shielding layer and a sheath, wherein the insulating layer, the belting layer, the inner shielding layer, the outer shielding layer and the sheath sequentially wrap the conducting wire from inside to outside; however, in the transmission process of the high-voltage pulse, the high-voltage pulse is accompanied by continuously changing strong current, so that strong electromagnetic waves overflow to influence the normal work of surrounding components;

at present, no shielding cable for high-voltage pulse is available for reducing electromagnetic interference overflow generated by strong current signals of the high-voltage pulse cable.

Disclosure of Invention

This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

Some embodiments of the present application provide a shielded cable for high voltage pulse, including: the high-voltage insulating layer is configured to be provided with a routing channel so that the cable extends along the extending direction of the routing channel;

a shield layer configured to be connected to a ground line to ground the shield layer;

a twisted pair configured to have two strands of wires twisted with each other;

the high-voltage pulse shielded cable further includes:

the copper-clad layer is configured to be tightly attached to the outer wall of the high-voltage insulating layer and extend along the extending direction of the routing channel so that the copper-clad layer completely covers the outer surface of the high-voltage insulating layer;

the filling layer is arranged in the wiring channel;

the copper-clad layer is also connected with a grounding wire so as to lead the copper-clad layer to be grounded.

Furthermore, the copper-clad layer is formed by covering solid copper.

Furthermore, three groups of twisted pairs are arranged in the routing channel, and the three groups of twisted pairs are uniformly aligned along the circumferential direction of the high-voltage insulating layer so that the three groups of twisted pairs form a cable.

Further, a wire insulation layer is arranged on the outer wall of the wire and is constructed to be tightly attached to the wire so that the wire insulation layer wraps the wire.

Further, the shielding layer comprises a shielding copper net which is configured to be tightly attached to the inner wall of the routing channel and extend along the extending direction of the routing channel.

Furthermore, the shielding copper mesh part is tightly attached to the twisted pair.

Further, a copper-clad insulating layer is arranged on the outer wall of the copper-clad layer and is constructed to be tightly attached to the outer wall of the copper-clad layer so that the copper-clad insulating layer wraps the copper-clad layer.

Furthermore, the outer side of the filling layer is tightly attached to the shielding copper net, so that the outer wall of the filling layer is completely wrapped by the shielding copper net.

Furthermore, the filling layer extends along the extending direction of the twisted pair and clings to the twisted pair.

Furthermore, a surface formed by being vertical to the central axis of the high-voltage insulating layer is called a cross section;

the projection of the high-voltage insulating layer on the cross section of the cable is in a circular ring shape and is provided with a ring thickness L;

the projection of the copper-clad layer on the cross section of the cable is in a circular arc shape and has a ring thickness M;

wherein M/L =2.

The beneficial effect of this application lies in: provided is a high-voltage pulse shielding cable which reduces electromagnetic interference overflow generated by a high-voltage pulse cable strong current signal.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and the description of the exemplary embodiments of the present application are provided for explaining the present application and do not constitute an undue limitation on the present application.

Further, throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.

In the drawings:

fig. 1 is a schematic cross-sectional view of a shielded cable for high voltage pulses according to an embodiment of the present application;

fig. 2 is a schematic plan-view development of a shielded cable for high-voltage pulse according to an embodiment of the present application.

The meaning of the reference symbols in the figures:

a1, a high-voltage insulating layer; a11, routing channels;

a2, a shielding layer; a21, shielding copper net;

a3, a twisted pair; a31, conducting wires; a32, a wire insulation layer;

a4, coating a copper layer; a41, a grounding wire; a42, copper-clad insulating layer;

a5, a filling layer;

a6、L；

a7、M。

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and the embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.

It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.

It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.

It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.

The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The shielded cable for high voltage pulses shown in fig. 1 and 2 as an embodiment includes: a high voltage insulation layer a1 configured to have one routing channel a11 so that the cable extends along an extending direction of the routing channel a 11; more specifically, the high-voltage insulation layer a1 is made of an insulating material, preferably rubber.

The shielding layer a2, preferably the shielding layer a2 is made of copper; configured to be connected to a ground line to ground the shield layer a 2; due to the grounding arrangement of the shielding layer a2, electromagnetic waves generated by high-voltage pulses can be absorbed by the shielding layer a2 made of copper, interference signals are led to the ground wire, and outward overflow is reduced.

A twisted pair a3 configured to have two wires a31 twisted with each other; more specifically, two wires a31 are twisted with each other to form a twisted pair a3 while extending along the routing channel a 11; when current flows through the wire a31, a ring-shaped magnetic field centered on the current is generated according to the ampere rule, the two wires a31 are twisted together, and the generated magnetic fields are mutually counteracted, so that the generation of electromagnetic waves is reduced.

The high-voltage pulse shielded cable further includes:

the copper-clad layer a4 is configured to cling to the outer wall of the high-voltage insulating layer a1 and extend along the extending direction of the routing channel a11 so that the copper-clad layer a4 completely covers the outer surface of the high-voltage insulating layer a 1; more specifically, the copper clad layer a4 can block a large part of the electric field and block the transmission of electromagnetic waves.

The filling layer a5 is arranged in the routing channel a 11; the preferred filling layer a5 is made of rubber.

The copper-clad layer a4 is also provided with a grounding wire a41 so as to enable the copper-clad layer a4 to be grounded; more specifically, the copper clad layer a4 is grounded, so that an interference signal can be led to the ground wire, and the outward overflow is reduced.

Specifically, the copper-clad layer a4 is formed by covering solid copper; because the solid bucket covers the outer wall of high-voltage insulation layer a1, consequently have the fire prevention function to high-voltage insulation layer a 1.

Specifically, three twisted pairs a3 are disposed in the routing channel a11, and the three twisted pairs a3 are uniformly aligned along the circumferential direction of the high-voltage insulation layer a1 so that the three twisted pairs a3 form a cable.

Specifically, the outer wall of the wire a31 is provided with a wire a31 insulation layer configured to be in close contact with the wire a31 such that the wire a31 insulation layer wraps the wire a31.

Specifically, the shielding layer a2 includes a shielding copper mesh a21 configured to be closely attached to the inner wall of the routing channel a11 and extend along the extending direction of the routing channel a 11; more specifically, the electromagnetic wave generated by the high voltage pulse passes through a shielding copper mesh a21 formed by copper meshes; the shielding copper net a21 is grounded, and the shielding copper net a21 in the shielding layer a2 can absorb most of the electric field, thereby reducing the continuous transmission of the electromagnetic wave and absorbing most of the overflowing electromagnetic wave. The shielding layer a2 is grounded, so that interference signals can be led to the ground wire, and outward overflow is reduced.

Specifically, the shielding copper mesh a21 is partially in close contact with the twisted pair a 3.

Specifically, the outer wall of the copper-clad layer a4 is provided with a copper-clad insulating layer a42, and the copper-clad insulating layer a42 is closely attached to the outer wall of the copper-clad layer a4 so as to wrap the copper-clad layer a4; therefore, the cable looks more beautiful, the copper-clad layer is prevented from being exposed to the external environment, and the protection effect is improved.

Specifically, the outer side of the filling layer a5 is tightly attached to the shielding copper mesh a21, so that the shielding copper mesh a21 completely wraps the outer wall of the filling layer a 5; because the shielding copper net a21 completely wraps the outer wall of the filling layer a5, the shielding copper net a21 can more comprehensively shield electromagnetism, and the effect of electromagnetic interference is improved.

Specifically, the filling layer a5 extends in the extending direction of the twisted pair a3 so that the filling layer a5 is in close contact with the twisted pair a 3.

Specifically, a plane formed perpendicular to the central axis of the high-voltage insulating layer a1 is referred to as a cross section; the projection of the high-voltage insulating layer a1 on the cross section is a circular ring and has a ring thickness L; the projection of the copper-clad layer a4 on the cross section is arc-shaped and has a ring thickness M; wherein M/L =2.

The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.

Claims (10)

1. A shielded cable for high-voltage pulses, comprising:

the high-voltage insulating layer is configured to be provided with a routing channel so that the cable extends along the extending direction of the routing channel;

a shield layer configured to be connected to a ground line to ground the shield layer;

a twisted pair configured to have two strands of wires twisted with each other;

the method is characterized in that:

the high-voltage pulse shielding cable further comprises:

the copper-clad layer is configured to cling to the outer wall of the high-voltage insulating layer and extend along the extending direction of the routing channel so that the copper-clad layer completely covers the outer surface of the high-voltage insulating layer;

the filling layer is arranged in the routing channel;

the copper-clad layer is further provided with a grounding wire so as to enable the copper-clad layer to be grounded.

2. The shielded cable for high voltage pulses according to claim 1, wherein:

the copper-clad layer is formed by covering solid copper.

3. The shielded cable for high voltage pulses according to claim 2, wherein:

three groups of twisted pairs are arranged in the routing channel, and the three groups of twisted pairs are uniformly aligned along the circumferential direction of the high-voltage insulating layer so that the three groups of twisted pairs form the cable.

4. The shielded cable for high voltage pulses according to claim 3, wherein:

the outer wall of the lead is provided with a lead insulating layer which is constructed to be tightly attached to the lead so that the lead insulating layer wraps the lead.

5. The shielded cable for high voltage pulses according to claim 4, wherein:

the shielding layer comprises a shielding copper net which is constructed to be tightly attached to the inner wall of the routing channel and extend along the extending direction of the routing channel.

6. The shielded cable for high-voltage pulses according to claim 5, wherein:

the shielding copper mesh part is tightly attached to the twisted pair.

7. The shielded cable for high-voltage pulses according to claim 6, wherein:

and the copper-clad layer outer wall is provided with a copper-clad insulating layer and is constructed to be tightly attached to the copper-clad layer outer wall so that the copper-clad insulating layer wraps the copper-clad layer.

8. The shielded cable for high-voltage pulses according to claim 5, wherein:

the outer side of the filling layer is tightly attached to the shielding copper net, so that the outer wall of the filling layer is completely wrapped by the shielding copper net.

9. The shielded cable for high voltage pulses according to claim 8, wherein:

the filling layer extends along the extending direction of the twisted pair and clings to the twisted pair.

10. The shielded cable for high voltage pulses according to claim 9, wherein:

a plane formed by being vertical to the central axis of the high-voltage insulating layer is called as a cross section;

the projection of the high-voltage insulating layer on the cross section is annular and has a ring thickness L;

the projection of the copper-clad layer on the cross section is arc-shaped and has a ring thickness M;

wherein M/L =2.

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