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A high temperature superconducting cable and its joint connection method

A high-temperature superconducting and cable joint technology, applied in conductive connection, superconductive device, welding/welding connection, etc., can solve the problems of poor joint stability, large joint size, and difficult processing, and achieve small length requirements. , Wide application prospects, solve the effect of limited length

Active Publication Date: 2020-10-30
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above analysis, the present invention aims to provide a high-temperature superconducting cable and its joint connection method to solve the problems of existing high-temperature superconducting cable joints, such as large size, high resistance, slow heat conduction, difficult processing and poor joint stability. question

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  • A high temperature superconducting cable and its joint connection method
  • A high temperature superconducting cable and its joint connection method
  • A high temperature superconducting cable and its joint connection method

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Embodiment 1

[0039]Because the lengths of high-temperature superconducting strips produced by high-temperature superconducting strip manufacturers vary from a few meters to several hundred meters, the longest mass-produced strips are basically more than 100 meters in length. If the cable is processed first, only strips of the same length can be used, which are basically more than 100 meters in length. As a result, the strips produced by the manufacturer have a lot of waste. If they are short, they cannot be used, and if they are long, they need to be cut off. A joint needs to be processed every 100 meters, and the size of the joint is much larger than the size of the cable, resulting in uneven cables and difficult coil winding. This embodiment provides a new high-temperature superconducting cable joint method. In the high-temperature superconducting cable joint connection method, the large joint of the traditional cable is changed into a joint of a single strip and evenly distributed in the...

Embodiment 2

[0057]An embodiment of the present invention discloses a high-temperature superconducting cable, which is connected based on the cable joint connection method in Embodiment 1. The high-temperature superconducting cable includes: a high-temperature superconducting stack 2, a high-temperature superconducting cable The superconducting stack 2 is set by stacking multiple single-layer long strips; the single-layer long strip is formed by stacking and welding multiple high-temperature superconducting strips 201 in sequence, and the welding points of two adjacent single-layer long strips It is arranged at intervals in the horizontal direction; it also includes a binding piece 3 that binds a plurality of stacked single-layer long strips into a high-temperature superconducting stack 2 .

[0058] In order to improve the performance of the high-temperature superconducting cable, a layer of aluminum gasket 1 is provided on the upper and lower surfaces of the high-temperature superconductin...

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Abstract

The invention relates to a high-temperature superconducting cable and a joint connecting method thereof, belongs to the technical field of high-temperature superconducting materials, and solves the problems of large size, high resistance, slow heat conduction, high processing difficulty and poor joint stability of the existing high-temperature superconducting cable joint. The joint connecting method comprises the following steps: 1, stacking and welding a plurality of high-temperature superconducting strips end to end in sequence to form a single-layer long strip; 2, stacking a plurality of single-layer long strips, wherein welding points of every two adjacent layers of single-layer long strips are arranged at intervals in the horizontal direction; 3, binding the plurality of stacked single-layer long strips into a high-temperature superconducting stack by using a binding piece. The invention also provides a high-temperature superconducting cable based on the joint connection method. The connector connecting method is simple in manufacturing process and easy in machining, and the cable connector manufactured through the connector connecting method is small in size, small in resistance, high in heat conduction speed and good in application prospect.

Description

technical field [0001] The invention relates to the technical field of high-temperature superconducting materials, in particular to a high-temperature superconducting cable and a joint connection method thereof. Background technique [0002] High-temperature superconductivity is the development trend of superconductivity. At present, the performance of the second-generation high-temperature superconducting tape is no less than that of low-temperature superconducting niobium-titanium wire, but there are many factors restricting its large-scale application. For example, flat tape is anisotropic and cannot be processed into Rutherford cables. There is no mature cable processing technology and the price is high. Therefore, the current high-temperature superconductors are only used in small laboratory magnets and interpolation magnets, and there are no large-scale high-temperature superconductors. Application of magnetizers. [0003] Some research institutes at home and abroad h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R43/02H01R4/68H01R4/02H01B12/02
CPCH01B12/02H01R4/021H01R4/68H01R43/02Y02E40/60
Inventor 宁飞鹏朱自安赵玲赵跃朱佳敏赵裕周俊杰
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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