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Method for solidifying superconducting magnet coil

A magnet coil and solidification method technology, applied in the direction of superconducting magnet/coil, coil manufacturing, magnetic objects, etc., can solve the problems of quenching, irreparable, magnet quenching, etc.

Inactive Publication Date: 2016-12-07
SHANGHAI CHENGUANG MEDICAL TECH
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

If the curing effect is not good, the superconducting wire may be slightly displaced or jumped under the action of the lateral Lorentz force during operation
The heat generated by this action is enough to heat the local superconducting wire above the critical temperature, and then a chain-type quenching phenomenon occurs
This quality defect will cause the magnet to quench from time to time, and at the same time, it is irreparable

Method used

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  • Method for solidifying superconducting magnet coil
  • Method for solidifying superconducting magnet coil
  • Method for solidifying superconducting magnet coil

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Embodiment Construction

[0023] In order to facilitate the understanding of the structure of the present invention, the following description will be made in conjunction with the accompanying drawings and embodiments.

[0024] refer to figure 1 , is a schematic diagram of a partial cross-sectional structure of the superconducting magnet coil of the present invention. refer to figure 2 , is a schematic structural view of the superconducting magnet coil curing method of the present invention under implementation.

[0025] combine figure 1 and figure 2 as shown, figure 1 There is a gap between the superconducting wires of the superconducting magnet coil 4, and the invention provides a method for solidifying the superconducting magnet coil, comprising the following steps:

[0026] A vacuum chamber 1 , an impregnation mold 2 and an AC power supply 3 are provided, and the impregnation mold 2 and the AC power supply 3 are arranged in the vacuum chamber 1 , and the AC power supply 3 is located outside ...

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Abstract

The invention provides a method for solidifying a superconducting magnet coil. The method includes the following steps that an impregnation mold is provided, and the magnet coil is placed into the impregnation mold; a solidification binder is provided, and the impregnation mold is filled with the solidification binder; an AC power source is applied to the magnet coil; the AC power source is started to make the magnet coil vibrate; when mobility of the solidification binder is reduced to be within the design range, the AC power source is turned off; and after the solidification binder is solidified, the magnet coil is taken out from the impregnation mold. The method is good in universality, easy to operate, low in cost and capable of improving impregnation quality of the solidified coil.

Description

technical field [0001] The invention relates to a method for curing magnet coils, in particular to a method for improving the curing quality of superconducting magnet coils. Background technique [0002] Magnetic resonance magnets are the basic components of magnetic resonance imaging systems. Its main function is to generate a highly uniform and strong magnetic field over the entire imaging area. According to the level of the magnetic field strength, it is divided into high-field and low-field magnets. Corresponding magnetic resonance systems are also divided into high-field systems and low-field systems. The high-field system has good image quality, short scan time and can complete advanced functions such as spectroscopy and functional imaging. Therefore, the high-field system is the mainstream development direction of magnetic resonance in the future. At present, high-field magnets all use low-temperature superconducting technology. The magnet is mainly composed of a...

Claims

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Application Information

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IPC IPC(8): B05D1/18B05D3/02B05D3/14H01F41/04H01F6/06
Inventor 王轶楠
Owner SHANGHAI CHENGUANG MEDICAL TECH
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