CN217506957U

CN217506957U - Armored copper core polyethylene insulated cable

Info

Publication number: CN217506957U
Application number: CN202220868299.2U
Authority: CN
Inventors: 黄威波; 陆凤麟; 王少晖; 王建国; 张正; 张燕军
Original assignee: Zhejiang Qinshan Cable Co ltd
Current assignee: Zhejiang Qinshan Cable Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-09-27
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses an armor copper core polyethylene insulated cable, including armor inoxidizing coating, oversheath layer, polyethylene foam inoxidizing coating, mica tape around covering, inner sheath layer and insulating heart yearn, insulating heart yearn sets up in the inner sheath layer, the outside of inner sheath is provided with the mica tape around the covering, the mica tape is provided with the polyethylene foam inoxidizing coating around the covering outside, the outside of polyethylene foam inoxidizing coating is provided with the oversheath layer, the shape of oversheath layer is the ripple tubulose, the outside of oversheath layer is provided with the armor inoxidizing coating. The utility model discloses can make the outside of cable install the armor protective structure additional, improve the surface strength of cable, simultaneously through setting up the foaming buffer layer in armor protective structure is inside, effectively promote the bending performance and the shock resistance of cable.

Description

Armored copper core polyethylene insulated cable

[ technical field ] A method for producing a semiconductor device

The utility model relates to a wire and cable's technical field, especially a armoured copper core polyethylene insulated cable's technical field.

[ background of the invention ]

The power cable is used for transmitting and distributing electric energy, plays an important role in linking in the infrastructure of China, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line. The power cable is a cable product for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various voltage grades of 1-500KV and above, and various insulated power cables can be divided into medium-voltage power cables, low-voltage power cables (35 KV and below), high-voltage cables (110 KV and above), ultrahigh-voltage cables (275-800 KV) and ultrahigh-voltage cables (1000 KV and above) according to the voltage grades, and can be further divided into alternating-current cables and direct-current cables according to the current system. The existing power cable is easy to damage from the outside to the inside when being placed, so that the insulation performance of the cable is affected, and therefore, an armored copper core polyethylene insulated cable needs to be designed.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing an armor copper core polyethylene insulated cable, can make the outside of cable install the armor protective structure additional, improve the surface strength of cable, simultaneously through setting up the foaming buffer layer in armor protective structure is inside, effectively promote the performance of buckling and the shock resistance of cable.

In order to realize the above purpose, the utility model provides an armoured copper core polyethylene insulated cable, including armoured protective layer, oversheath layer, polyethylene foam inoxidizing coating, mica tape around covering, inner sheath layer and insulating heart yearn, insulating heart yearn sets up in the inner sheath layer, the outside of inner sheath is provided with the mica tape around the covering, the mica tape is provided with the polyethylene foam inoxidizing coating around the covering outside, the outside of polyethylene foam inoxidizing coating is provided with the oversheath layer, the shape of oversheath layer is the ripple tubulose, the outside of oversheath layer is provided with the armoured inoxidizing coating.

Preferably, the number of the insulated core wires is multiple, and the insulated core wires are copper core wires coated with an insulated sheath.

Preferably, the outer sheath layer and the inner sheath layer are both polyethylene soft sheath layers.

Preferably, the inner sheath layer is filled with insulating filler.

Preferably, the inner sheath layer, the mica tape wrapping layer, the polyethylene foam protective layer and the outer sheath layer are sequentially and closely attached together.

Preferably, the armor protective layer is a rubber coating galvanized steel belt woven layer.

The utility model has the advantages that: the utility model discloses a combine armor inoxidizing coating, oversheath layer, polyethylene foaming inoxidizing coating, mica tape around covering, inner sheath layer and insulating core line and be in the same place, through experimental optimization, can make the outside of cable install the armor protective structure additional, improve the surface strength of cable, simultaneously through setting up the foaming buffer layer in armor protective structure is inside, effectively promote the bending performance and the shock resistance of cable.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the armored copper core polyethylene insulated cable of the present invention.

In the figure: 1-an armor protective layer, 2-an outer sheath layer, 3-a polyethylene foam protective layer, 4-a mica tape wrapping layer, 5-an inner sheath layer and 6-an insulating core wire.

[ detailed description ] A

Referring to fig. 1, the armored copper core polyethylene insulated cable of the present invention comprises an armored protective layer 1, an outer sheath layer 2, a polyethylene foam protective layer 3, a mica tape wrapping layer 4, an inner sheath layer 5 and an insulating core wire 6, wherein the insulating core wire 6 is arranged in the inner sheath layer 5, the mica tape wrapping layer 4 is arranged on the outer side of the inner sheath, the polyethylene foam protective layer 3 is arranged on the outer side of the mica tape wrapping layer 4, the outer sheath layer 2 is arranged on the outer side of the polyethylene foam protective layer 3, the outer sheath layer 2 is in the shape of a corrugated tube, the armored protective layer 1 is arranged on the outer side of the outer sheath layer 2, the number of the insulating core wires 6 is multiple, the insulating core wire 6 is a copper core wire covering the insulating sheath, the outer sheath layer 2 and the inner sheath layer 5 are both polyethylene flexible sheath layers, the inner sheath layer 5 is filled with an insulating filler, the inner sheath layer 5, the mica tape wrapping layer 4, the polyethylene foam protective layer 3 and the outer sheath layer 2 are sequentially and closely attached together, and the armor protective layer 1 is a rubber coating galvanized steel tape woven layer.

The utility model discloses a combine armor inoxidizing coating 1, oversheath layer 2, polyethylene foaming inoxidizing coating 3, mica tape around covering 4, inner sheath layer 5 and insulating heart yearn 6 and be in the same place, through experimental optimization, can make the outside of cable install the armor protective structure additional, improve the surface strength of cable, simultaneously through setting up the foaming buffer layer in armor protective structure is inside, effectively promote the bending performance and the shock resistance of cable.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. The utility model provides an armoured copper core polyethylene insulated cable which characterized in that: including armor inoxidizing coating (1), oversheath layer (2), polyethylene foam inoxidizing coating (3), mica tape around covering (4), inner sheath layer (5) and insulating heart yearn (6), insulating heart yearn (6) set up in inner sheath layer (5), the outside of inner sheath is provided with the mica tape around covering (4), the mica tape is provided with polyethylene foam inoxidizing coating (3) around covering (4) outside, the outside of polyethylene foam inoxidizing coating (3) is provided with oversheath layer (2), the shape of oversheath layer (2) is the ripple tubulose, the outside of oversheath layer (2) is provided with armor inoxidizing coating (1).

2. The armored copper-core polyethylene insulated cable of claim 1, wherein: the number of the insulating core wires (6) is multiple, and the insulating core wires (6) are copper core wires coated with insulating sheaths.

3. The armored copper-core polyethylene insulated cable of claim 1, wherein: the outer sheath layer (2) and the inner sheath layer (5) are both polyethylene soft sheath layers.

4. The armored copper-core polyethylene insulated cable of claim 1, wherein: and the inner jacket layer (5) is filled with insulating filler.

5. An armored copper-cored polyethylene insulated cable as claimed in claim 1, wherein: the inner sheath layer (5), the mica tape are wrapped by the covering (4), the polyethylene foam protective layer (3) and the outer sheath layer (2) are sequentially and closely attached together.

6. An armored copper-cored polyethylene insulated cable as claimed in claim 1, wherein: the armor protective layer (1) is a rubber coating galvanized steel strip woven layer.