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A nuclear magnetic resonance superconducting magnet with a compact coil structure

A superconducting magnet, nuclear magnetic resonance technology, applied in superconducting magnets/coils, magnetic objects, electrical components, etc.

Active Publication Date: 2021-11-30
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above coils are all wound with superconducting wires

Method used

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  • A nuclear magnetic resonance superconducting magnet with a compact coil structure
  • A nuclear magnetic resonance superconducting magnet with a compact coil structure
  • A nuclear magnetic resonance superconducting magnet with a compact coil structure

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Experimental program
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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0013] like figure 1 As shown, the nuclear magnetic resonance superconducting magnet with compact coil structure of the present invention includes 5 main coils 1-5, 4 adjustment coils 6-9, 3 shielding coils 10-12, 2 anti-electromagnetic interference coils 13-14, And 11 shim coils 15-25. Five main coils are wound on two bobbins, among which coils 1 and 2 are wound on one bobbin, and coil 1 is placed inside coil 2; coils 3, 4 and 5 are wound Made on another frame, the coil 3 is placed on the innermost side, the coil 4 is placed between the coil 3 and the coil 5, and the coil 5 is placed on the outermost side. The four adjustment coils are wound on the same skeleton, and along the direction of the central axis, coil 9 , coil 7 , coil 6 and coil 8 are arranged in sequence. The three shielding coils are wound on the same skeleton, and the coil 12,...

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Abstract

A nuclear magnetic resonance superconducting magnet with a compact coil structure includes main coils 1-5, adjustment coils 6-9, shielding coils 10-12, anti-electromagnetic interference coils 13-14, and shim coils 15-25. From the main coil 1 to the main coil 5, the diameter of the superconducting wire gradually decreases, and the current density presents a graded form. Shimming coils include axial coils Z0, Z1, Z2, Z3, Z4 and radial coils X, Y, ZX, ZY, X2-Y2, XY, wherein axial coils Z0, Z2, Z4 and main coils 1-5, The magnet coils composed of adjusting coils 6-9 and shielding coils 10-12 are electromagnetically decoupled, and the axial coils Z0, Z2 and Z4 are electromagnetically decoupled from each other. The anti-electromagnetic interference coils 13 and 14 form a closed loop, so that the superconducting magnet can keep the magnetic field in the central area stable when it is disturbed by an external magnetic field.

Description

technical field [0001] The invention relates to a nuclear magnetic resonance superconducting magnet with a compact coil structure. Background technique [0002] The magnet is an important part of the NMR system. The strength of the magnetic field generated by the magnet directly affects the resolution and sensitivity of the NMR, which in turn affects the ability to detect molecular structure information. Generally speaking, the higher the magnetic field strength of the NMR magnet, the higher the resolution and sensitivity of the corresponding atomic spectrum signal. In this way, molecular structure information or extremely small element information that is difficult to obtain under low magnetic field conditions may be obtained under high field conditions. With the help of the high current-carrying capacity of superconducting wires, superconducting magnets can generate high-intensity magnetic fields, significantly improve the resolution and sensitivity of nuclear magnetic re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F6/00H01F6/06
CPCH01F6/00H01F6/06
Inventor 王耀辉王秋良
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI