A superconducting magnet joint superconducting cable intercept repair device and method thereof
A technology of superconducting cables and superconducting magnets, which is applied in superconducting magnets/coils, magnetic objects, coil manufacturing, etc., and can solve the requirements of large operating current, large operating current change rate, and harsh low-temperature performance of superconducting joints, etc. problem, to achieve the effect of repair work
Active Publication Date: 2021-06-01
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology
Some superconducting magnet coils undertake the functions of plasma current drive and position and shape control. Not only the working current is large, but also the rate of change of the working current is large. It works in the complex magnetic field environment of the tokamak magnet system, so the superconducting joint Low temperature performance has stringent requirements
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[0023] See attached picture.
[0024] A superconducting magnet joint superconducting cable intercept repair device includes a splice box 1 , a clamping mechanism 2 installed at the front end of the splice box 1 and a knob mechanism 4 installed at the inlet end of the splice box 1 .
[0025] The clamping mechanism 2 includes upper and lower splints 6, 7 respectively located at the top and bottom of the splice box 1, the lower surface of the upper splint 6 is fixed with a limit block 8, and the bottom surface of the limit block 8 is provided with a shape similar to that of the superconducting cable 3. Cooperating clamping grooves, the two ends of the lower clamping plate 7 are fixed with left and right screw rods 9 respectively located on the left and right sides of the joint box 1, and the positions on the upper clamping plate 6 located on both sides of the limit block 8 are respectively provided with the positions of the left and right screw rods 9. Corresponding to the left a...
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The invention discloses a superconducting magnet joint superconducting cable intercept repairing device and a method thereof, comprising a superconducting cable intercept repairing tool, the repairing tool is installed on a splice box which has penetrated a superconducting cable, through Mark the initial position marking line at the end of the superconducting cable, and restore the intercept of the superconducting cable to the initial state by manual twisting. The superconducting cable intercept repair tool is composed of a clamping mechanism and a twist mechanism. The superconducting cable intercept repair is completed after the superconducting cable is inserted into the joint box and before the joint box is sealed and welded. The structural feature of the present invention is to repair the intercept of the superconducting cable that has penetrated into the splice box through simple repair tooling, so as to ensure that the intercept of the superconducting cable that has penetrated into the splice box is consistent with the initial intercept of the conductor. Therefore, the working performance of the superconducting joint at low temperature is guaranteed. This repair method has been applied in practical engineering in the manufacture of ITER poloidal field magnets.
Description
technical field [0001] The invention relates to the field of manufacturing superconducting joints of superconducting magnets of large-scale thermonuclear fusion devices or other large-scale electromagnetic devices, in particular to a superconducting magnet joint superconducting cable intercept repair device and a method thereof. Background technique [0002] Thermonuclear fusion will provide mankind with inexhaustible clean energy, and the International Thermonuclear Test Reactor (ITER) plan will be built in the next ten years. Its key component is a superconducting magnet, and the performance of the superconducting magnet determines whether it can form the required plasma. As an important part of the superconducting magnet coil, the superconducting joint is used for the electrical connection between the superconducting cables inside the magnet coil and between the coil itself and the external feeder. Some superconducting magnet coils undertake the functions of plasma curre...
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IPC IPC(8): H01F41/04H01F41/10H01F6/06
CPCH01F6/065H01F41/048H01F41/10
Inventor 胡兵沈光宋云涛陆坤郑兴东莫超
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI