Small volume low loss superconductor CICC connector structure

A joint structure, low-loss technology, applied in superconducting devices, clamping/spring connections, electrical components, etc., can solve the problems of large volume, large AC loss, and large contact resistance

Inactive Publication Date: 2007-02-14
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0004] The present invention proposes a small-volume, low-loss superconducting CICC joint structure, which is after the sub-cables at the ends of the two CICC conductors are fully transposed, connected through insertion, supplemented by a central cold mass flow channel, and the overall vacuum-sealed package , which effectively solves the above-mentioned problems of large AC loss, large contact resistance and large volume of the traditional superconducting CICC connector

Method used

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  • Small volume low loss superconductor CICC connector structure

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Embodiment Construction

[0019] Small volume and low loss superconducting CICC joint structure (see figure 1 ), including a wiring shaft 1 with a cold mass flow channel 8 in the middle, superconducting sub-cables 4 protruding from the two superconducting conductor shells 2 at the left and right ends are fixed outside the wiring shaft 1 through spiral winding, and the sub-cable joints The wiring shaft 1 is distributed with a plurality of through holes or interspersed through grooves, which are used for cold mass flow and cooling of the sub-cable. The sub-cable 4 has an inner shell 5 outside, and an outer shell 6 outside the inner shell 5. The wiring shaft 1. The two ends form a conical body 7. The superconducting sub-cable 4 is close to the two ends of the wiring shaft. The conical body 7 is covered with a tapered sleeve 3. The taper sleeve 3, the outer shell 6 and the superconducting conductor shell 2 are squeezed and sealed. . The wiring shaft 1 is divided into two sections, left and right, which ar...

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Abstract

This invention discloses a small volume low-loss super-conduction CICC connector structure characterizing in including a layout shaft with a channel at the middle for cold flows, a sub-cable of the super-conduction line is fixed outside of the shaft, an inner shell is outside of the sub-cable, an outer shell is outside of the inner shell, both ends of the shaft form a taper, a taper cover covers the taper and the cover, the outer shell and the connector are connected in sealing.

Description

technical field [0001] The invention is a component in a superconducting physical device, and is an important component in the superconducting physical device. In particular, the invention relates to a small-volume, low-loss superconducting NbTi / Cu tube-in-tube superconducting conductor joint structure. Background technique [0002] Superconducting magnets in superconducting physical devices are limited by the length of superconducting conductors, so joints of superconducting conductors (especially in large superconducting magnets) are inevitable. The function of the NbTi / Cu inner cable superconducting conductor (hereinafter referred to as CICC) joint is to transmit current and cold mass from one conductor to another conductor. The basic requirement is that the resistance, AC loss and volume of the joint should be as small as possible. In addition to requiring low resistance and small volume, superconducting CICC joints also require cold mass (liquid or gaseous) to be trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R4/50H01L39/00
Inventor 武松涛薛沿河毕延芳刘保荣张勇张新玉姚伟民王学勒
Owner INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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