High temperature superconductive double helix current down-lead structure

A high-temperature superconducting and current lead technology, which is applied in superconducting devices, superconducting/high-conducting conductors, usage of superconducting elements, etc., can solve problems such as not being able to significantly reduce heat leakage

Inactive Publication Date: 2006-02-22
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the current lead structure can not significantly reduce the leakage heat

Method used

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  • High temperature superconductive double helix current down-lead structure

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Embodiment Construction

[0014] The high-temperature superconducting double-helix current lead structure is based on a double-helical groove barrel made of epoxy resin, and two silver-based Bi-2223 high-temperature superconducting strips are wound, which are respectively used as the incoming and outgoing wires of the current.

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Abstract

Disclosed a structure of high temperature superconduction double helix current lead wire, belongs to the filed of high temperature super conduction technique, characterized in the structure of said lead wire comprising a double helix barrel made from epoxide resin while its cylinder is double helix groove; inlet and outlet wires of high temperature superconduction current both made form Bi-2223 / Ag, while said wires coiling said double helix barrel in turn and connecting the superconduction energy storage magnet in liquid helium. Said double helix structure can increase the length of inlet and outlet wires effectively, to increase the heat resistance of lead wires, and decrease the heat leakage to low temperature cooling magnet system.

Description

technical field [0001] The invention belongs to the technical field of high temperature superconductivity. Background technique [0002] Compared with the traditional copper current lead, the binary composite current lead combined with the high temperature superconducting lead and the copper lead can greatly reduce the heat leakage from the high temperature environment to the low temperature environment. Bulk superconducting leads in the form of pure castings of superconducting ceramics are usually rod-shaped or tubular, which are brittle at low temperatures. The high temperature superconducting wire can also be a superconducting tape. However, current lead structures cannot significantly reduce heat leakage. Contents of the invention [0003] The purpose of the present invention is to provide a novel double helix structure based on the current lead of high temperature superconducting material, which can effectively increase the thermal resistance of the high temperature...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B12/00
CPCY02E40/64Y02E40/60
Inventor 蒋晓华何业冶刘秀成程志光
Owner TSINGHUA UNIV
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