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High-field superconducting solenoid coil with dispersive stress and winding method thereof

A solenoid coil, superconducting coil technology, applied in superconducting magnet/coil, coil manufacturing, inductor/transformer/magnet manufacturing and other directions, can solve problems such as stress concentration, achieve stress dispersion, good structural strength, high electromagnetic effect of stress

Inactive Publication Date: 2009-11-11
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the stress concentration problem of existing high magnetic field superconducting magnets, the present invention proposes a high magnetic field superconducting solenoid coil structure with distributed stress

Method used

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  • High-field superconducting solenoid coil with dispersive stress and winding method thereof
  • High-field superconducting solenoid coil with dispersive stress and winding method thereof
  • High-field superconducting solenoid coil with dispersive stress and winding method thereof

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0015] The high magnetic field superconducting solenoid coil of the present invention divides the superconducting coil into several layers by the stainless steel support layer, and the coil is first superconducting wire layer from the inside to the outside according to the radial direction, and then the stainless steel supporting layer, alternately in turn, the superconducting coil The outermost end of the coil is reinforced with a stainless steel wire with a rectangular cross-section to wind the end support structure. The superconducting coil thus wound alternately has the characteristics of good structural strength and stress dispersion, can withstand high electromagnetic stress, and the coil can operate under high current density and high magnetic field.

[0016] Such as figure 1 As shown, the superconducting solenoid coil-1 wound with a ci...

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Abstract

The invention discloses a high-field superconducting solenoid coil with dispersive stress and a winding method thereof. The superconducting coil is divided into a plurality of layers by a stainless support layer; the superconducting coil is firstly wound into a superconducting line layer from inside to outside according to a radial direction; the outer surface of the superconducting line layer is wound with stainless steel wires by 1-2 layers, wherein the stainless steel wire is the same as the superconducting line in diameter, therefore, a stainless steel wire support layer is formed. Then alternative winding is carried out in sequence, finally the outermost end of the superconducting coil uses rectangular stainless steel wires to wind a support structure at the end so as to strengthen the whole coil and form the whole superconducting solenoid coil with dispersive stress. The invention not only can reduce the stress concentration in the superconducting winding, but also can greatly reduce the quench exercise times of the coil, and effectively improve the density of running current of the magnet. The coil with the structure is suitable for a high-field superconducting magnet system, in particular to a 25 to 30 T high-field superconducting magnet system.

Description

technical field [0001] The invention relates to a high magnetic field superconducting magnet coil and its winding method, in particular to a high magnetic field superconducting solenoid coil with a dispersing stress support structure and its winding method. Background technique [0002] Superconducting magnets have the characteristics of small size, light weight, and low energy consumption. For the development of high-field superconducting magnet systems for physics, biomedical and other scientific research applications, superconducting magnets have greater advantages than hybrid magnets and pulsed magnets. At present, the development of large-scale superconducting magnets and nuclear magnetic resonance magnet systems with high magnetic fields of 25-30T is an important direction for the application and development of high-magnetic field superconducting magnets. Usually, high-field superconducting magnets are realized by a variety of superconducting wires in the form of non-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F6/06H01F41/06H01F41/071
Inventor 王秋良胡新宁严陆光
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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