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Superconducting hybrid magnet device for generating minimum B magnetic field

A magnetic field and magnet technology, which is applied in the field of superconducting hybrid magnet structures of hexapole magnet wire packs and helical wire packs, can solve the problems of increasing the difficulty of making magnets, and achieve the simplification of mechanical binding and fixing, simplifying the mechanical fixing system and improving the stability. Effect

Active Publication Date: 2014-06-11
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This series of requirements greatly increases the difficulty, complexity and cost of making magnets

Method used

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  • Superconducting hybrid magnet device for generating minimum B magnetic field
  • Superconducting hybrid magnet device for generating minimum B magnetic field
  • Superconducting hybrid magnet device for generating minimum B magnetic field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1: see figure 1 , image 3 , a superconducting hybrid magnet device for generating a minimum B magnetic field, comprising a multi-pole magnet wire package and a helical pipeline package, the first helical pipeline package is embedded in the injection end of the multi-pole magnet wire package; in the The outer side of the multi-pole magnet wire pack is coaxially provided with several helical wire packs. The plurality of helical pipelines are packaged for field adjustment. Due to the same direction of current between the end of the multi-pole magnet wire package and the helical tube, there is only suction force, no repulsion force. The multi-pole magnet wire package is a 2-12 pole magnet wire package.

Embodiment 2

[0035] Example 2: see figure 1 , image 3 , a superconducting hybrid magnet device for generating a minimum B magnetic field, including a hexapole magnet wire package 1 and a helical pipeline package, the first helical pipeline package 2 is embedded at the injection end of the hexapole magnet wire package 1 ; The outer side of the six-pole magnet package 1 is coaxially provided with a second helical package 3 and a third helical package 4 . The plurality of helical pipelines are packaged for field adjustment.

[0036] See figure 2 , Figure 4 , the six-pole magnet wire pack 1 is integrally wound, and the six-pole magnet wire pack 1 is composed of six axial straight segments, and every two axial straight segments are symmetrical at 60 degrees, and the six rotations at both ends 60-degree azimuth loop current end section, three current connection loop end sections at each end have a 120-degree azimuth symmetrical composition at the same end; the current flows through a stra...

Embodiment 3

[0039] Embodiment 3: see Figure 5 , Figure 6 , an application of a superconducting hybrid magnet device for generating a minimum B magnetic field, which has the same structure as that of Embodiment 2. It also includes a six-pole magnet iron yoke 5 between every two six-pole magnet straight sections of the six-pole magnet wire package 1; a six-pole magnet is provided outside the six-pole magnet wire package 1 The shielding soft iron 11: the shielding soft iron 11 of the hexapole magnet is provided with a magnet clamping shielding soft iron 12: the shielding soft iron 11 of the hexapole magnet and the magnet clamping shielding soft iron 12 are embedded with A plurality of helical wire packs: between the multiple helical wire packs, a hexapole magnet is arranged to radially clamp an aluminum ring 6, and the inner boundaries 8, 10 of the hexapole iron wire pack 1, the superconducting helical wire pack 2 and the superconductor The room temperature boundary 9 has an insulating l...

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Abstract

The invention relates to a new superconducting hybrid magnet structure of a six-pole magnet and helix tube coils and is mainly applied to a superconducting magnet system of a minimum B magnetic field structure of an electron cyclotron resonance ion source for generating highly charged ions. The superconducting hybrid magnet device for generating the minimum B magnetic filed comprises a multi-pole magnet coil and the helix tube coils and is mainly characterized in that a first helix tube coil is embedded at an injection end of the multi-pole magnet coil; and the external side of the multi-pole magnet coil is coaxially provided with a plurality of the helix tube coils. The superconducting hybrid magnet device disclosed by the invention has the advantages that: one multi-pole magnet, which is formed by integral winding and has equidirectional current at the end sections, and a plurality of equidirectional current helix tube coils arranged inside and outside the multi-pole magnet form the minimum B magnetic field structure for generating field intensity with high magnetic mirror ratio. Compared with the traditional structure, the structure disclosed by the invention has the advantages that the end sections of the multi-pole magnet coil and the helix tube coils are arranged at the internal layer or the external layer of the same axial position and are only attracted with each other and not mutually repulsive because of the equidirectional current, so that the mechanical binding and fixing as required can be simplified considerably.

Description

technical field [0001] The invention relates to a new hexapole magnet wire-wrapped and helical tube-wrapped superconducting hybrid magnet structure, which is mainly applied to the superconducting magnet system of the minimum B magnetic field structure of an electron cyclotron resonance ion source generating high-charge state ions. Background technique [0002] The superconducting hybrid magnet composed of several helical tube packages and a hexapole magnet is the core component of the highly charged electron cyclotron resonance ion source in the world today. The superconducting hybrid magnet produces a minimum B magnetic field structure with high magnetic field strength to confine the plasma. The electrons continuously rotate back and forth along the magnetic field lines in the minimum B magnetic field and resonate with the fed high-frequency microwave in a specific area to absorb energy. Continuous impact ionization with ions and neutral atoms produces highly ionized ions, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F6/00H01F41/02H01J3/22
Inventor 谢祖祺赵红卫卢旺张雪珍
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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