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Superconducting cable and production method thereof

A technology for superconducting cables and superconducting layers, which is applied in superconducting devices, conducting materials, conducting materials, etc., can solve problems such as temperature rise and high resistance of superconducting cables, and achieve increased strength, grain refinement, and improved Effects of Corrosion Resistance and Oxidation Resistance

Pending Publication Date: 2022-06-17
CHONGQING EASTFUL ELECTRIC WIRE & CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a superconducting cable and its production method to solve the technical problem that the high resistance of the superconducting cable will easily cause the temperature to rise

Method used

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  • Superconducting cable and production method thereof
  • Superconducting cable and production method thereof
  • Superconducting cable and production method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0042] basically as attached figure 1 , attached figure 2 and attached image 3Shown: a superconductor cable, comprising three sets of cable cores 1 and a set of protective layers 2 . The cable core 1 includes an aluminum alloy superconductor layer 101 , an inner shielding layer 102 , an insulating layer 103 , an outer shielding layer 104 , and a copper tape shielding layer 105 sequentially from the inside to the outside. The composition of the aluminum alloy superconductor layer 101 includes yttrium barium copper oxide 1.50%, iron 0.62%, magnesium 0.03%, zinc 0.03%, copper 0.10%, boron 0.30%, chromium 0.12%, strontium 0.08%, manganese 0.77%, zirconium 0.04%, the balance is aluminum.

[0043] The specific production method of superconducting cable includes the following steps:

[0044] S1, smelting, preheating, grinding, and pulverizing the raw materials of the aluminum alloy superconductor layer 101 components according to the component ratio, and adding them to the heat...

Embodiment 2

[0055] The difference between this embodiment and the first embodiment is that, as shown in the appendix Figure 4 with attached Figure 5 As shown, the sounding part is a metal pick 10 , and one end of the metal pick 10 is fixedly connected to the inner wall of the monitoring cover 4 . A closed box 11 is pasted and fixed on one side of the adjacent monitoring cover 4 , and the side of the closed box 11 close to the protective layer 2 is open. One end of the airtight box 11 away from the monitoring cover 4 is provided with a through hole, and a gas check valve 12 is fixed with the inner thread of the through hole. A sealing plate 13 is slidably connected in the airtight box 11 along the circumferential direction of the superconducting cable. The peripheral outer wall of the sealing plate 13 abuts against the inner wall of the airtight box 11 . It communicates with the inside of the airtight box 11 . A connecting rod 15 is threadedly fixed between the sealing plate 13 and th...

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Abstract

The invention relates to the technical field of insulated cables, and particularly discloses a superconducting cable and a production method thereof.The superconducting cable comprises a cable core and a protective layer, the protective layer wraps the cable core, and the cable core sequentially comprises an aluminum alloy superconductor layer, an inner shielding layer, an insulating layer, an outer shielding layer and a copper strip shielding layer from inside to outside; the aluminum alloy superconductor layer comprises the following components: 1%-2% of yttrium barium copper oxide, 0.55%-0.8% of iron, 0.01%-0.05% of magnesium, 0.01%-0.05% of zinc, 0.1%-0.2% of copper, 0.02%-0.04% of boron, 0.08%-0.15% of chromium, 0.05%-0.1% of strontium, 0.5%-1.0% of manganese, 0.02%-0.07% of zirconium and the balance of aluminum. The invention aims to provide the superconducting cable and the production method thereof so as to solve the technical problem that the temperature rise is easily caused by the large resistance of the superconducting cable.

Description

technical field [0001] The invention relates to the technical field of insulated cables, and specifically discloses a superconducting cable and a production method thereof. Background technique [0002] A cable is a power or signal transmission device, usually made of one or more mutually insulated conductors and an outer insulating protective layer, and is a wire that transmits power or information from one place to another. [0003] At present, the production of wires and cables in my country is mainly made of pure copper and pure aluminum electrical copper and aluminum rods. Both aluminum and copper have excellent electrical conductivity. Compared with copper, aluminum alloy has higher specific strength, and its smaller density determines that it is more suitable for long-distance power transmission. It is one of the preferred conductor materials for the lightweight development of railway cables. However, aluminum conductors have poor corrosion resistance and low strengt...

Claims

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Application Information

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IPC IPC(8): H01B12/00H01B1/02
CPCH01B12/00H01B1/023
Inventor 曾令果唐世刚谭文礼李志均魏勇
Owner CHONGQING EASTFUL ELECTRIC WIRE & CABLE CO LTD
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