Novel shielding power cable

Abstract

The utility model discloses a novel shielding power cable, which comprises three phases of conductive cables and a flame-retardant sheath extruded on the three phases of conductive cables, and each phase of conductive cable comprises a conductor, an insulating layer extruded on the conductor and a shielding layer woven on the insulating layer. And the shielding layer on each phase of conductive cable is used as a grounding wire of the novel shielding power cable. According to the utility model, the shielding layer of each phase of conductive cable is used as a ground wire, and the novel shielding power cable does not need to be configured with a ground wire, thereby reducing the cost. In addition, the shielding layer of each phase of conductive cable is used as a ground wire, so that the sectional area of the ground wire is increased, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power cables, in particular to a novel shielded power cable. Background Art

[0002] Cables, commonly known as wires and cables, are a type of transmission wire that can be used in electricity and electricity-related industries. They bear the heavy responsibility of power transmission. There are multiple transmission insulated wires inside the cable, which are intertwined into one strand and then wrapped and protected by a rubber layer on the outer wall to form a cable with high transmission efficiency and high stability.

[0003] The Chinese invention patent application publication number CN116435017A discloses an industrial flexible shielded industrial cable and a preparation method thereof, comprising a heat shrinkable wire sleeve, solder rings are symmetrically installed at both ends of the outer wall of the heat shrinkable wire sleeve, a heat shrinkable sleeve is installed on the inner wall of the heat shrinkable wire sleeve, a shielding layer is installed on the inner wall of the heat shrinkable sleeve, an insulating layer is installed on the inner wall of the shielding layer, and a cable body is installed on the inner wall of the insulating layer. The industrial flexible shielded industrial cable in the patent application does not have a grounding wire, and a grounding wire needs to be installed separately. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a new shielded power cable using a shielding layer as a grounding wire in view of the deficiencies in the prior art.

[0005] The technical problems to be solved by the utility model can be achieved through the above technical solutions:

[0006] A new type of shielded power cable comprises a three-phase conductive cable and a flame retardant sheath extruded on the three-phase conductive cable. Each phase conductive cable comprises a conductor, an insulating layer extruded on the conductor and a shielding layer braided on the insulating layer. The shielding layer on each phase conductive cable serves as a grounding wire of the new type of shielded power cable.

[0007] In a preferred embodiment of the present invention, the three-phase conductive cables are arranged in a row, so that the entire novel shielded power cable is flat.

[0008] In a preferred embodiment of the present invention, the shielding layers in each phase of the conductive cable are in conductive contact with each other.

[0009] In a preferred embodiment of the present invention, each phase conductive cable is a circular structure.

[0010] In a preferred embodiment of the present invention, the shielding layer in each phase of the conductive cable is woven with copper wires.

[0011] Due to the adoption of the above technical solution, the utility model uses the shielding layer of each phase of the conductive cable as the ground wire, and the new shielded power cable of the utility model does not need to be configured with a ground wire, thereby reducing costs. In addition, the utility model uses the shielding layer of each phase of the conductive cable as the ground wire, thereby increasing the cross-sectional area of ​​the ground wire and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional schematic diagram of the shielded power cable of the present invention. DETAILED DESCRIPTION

[0013] See also Figure 1 A new type of shielded power cable shown in the figure includes three-phase conductive cables A, B, C and a flame retardant sheath 10 extruded on the three-phase conductive cables A, B, C.

[0014] Each phase conductive cable A, B, C includes a conductor A1, B1, C1, an insulating layer A2, B2, C2 extruded on the conductor A1, B1, C1, and a shielding layer A3, B3, C3 braided on the insulating layer A2, B2, C2.

[0015] Each phase conductive cable A, B, C is of circular structure, and the three-phase conductive cables A, B, C are arranged in a row, so that the entire new shielded power cable is flat.

[0016] The shielding layers A3, B3, C3 in each phase of the conductive cables A, B, C are braided with copper wires. The shielding layers A3, B3, C3 on each phase of the conductive cables A, B, C serve as grounding wires for the new shielded power cables. The shielding layers A3, B3, C3 in each phase of the conductive cables A, B, C are in conductive contact with each other.

Claims

1. A novel shielded power cable, comprising a three-phase conductive cable and a flame retardant sheath extruded on the three-phase conductive cable, wherein each phase conductive cable comprises a conductor, an insulating layer extruded on the conductor and a shielding layer braided on the insulating layer, characterized in that: The shielding layer on each phase of the conductive cable serves as the grounding wire of the novel shielded power cable; The three-phase conductive cables are arranged in a row, making the entire new shielded power cable flat; The shields in each phase of the conductive cable are in conductive contact with each other; Each phase conductive cable is of circular structure; The shielding layer in each phase conducting cable is braided with copper wires.

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