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Suspension system and method for adjusting first harmonic of magnetic field of superconducting cyclotron

A cyclotron and suspension system technology, applied to magnetic resonance accelerators, accelerators, electrical components, etc., can solve problems such as adjustment of the first harmonic of a superconducting cyclotron, and achieve the effects of simplified structure, low cost and convenient operation

Active Publication Date: 2016-11-23
CHINA INSTITUTE OF ATOMIC ENERGY
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AI Technical Summary

Problems solved by technology

The adjustment method of the first harmonic of the existing room temperature cyclotron magnetic field is completely different from that of the superconducting cyclotron, and cannot be used for the adjustment of the first harmonic of the superconducting cyclotron

Method used

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  • Suspension system and method for adjusting first harmonic of magnetic field of superconducting cyclotron
  • Suspension system and method for adjusting first harmonic of magnetic field of superconducting cyclotron

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Embodiment Construction

[0023] The present invention will be further described below with reference to the drawings and embodiments.

[0024] Such as figure 1 As shown, the present invention provides a suspension system for adjusting the first harmonic of the superconducting cyclotron magnetic field, which is used to adjust the first harmonic of the magnetic field of the superconducting coil and is set on the annular cryostat 1 of the superconducting cyclotron. The superconducting coil is arranged in the cryostat 1, which includes several upper rods 2 arranged on the upper end of the cryostat 1, and several lower rods 4 arranged on the lower end of the cryostat 1, and arranged on the side of the cryostat 1 The position adjustment of the superconducting coil can be realized by adjusting the tension of the upper rod 2, the lower rod 4, and the cross rod 3. The position adjustment includes the adjustment of the Bz direction and the Br direction of the superconducting coil. The Bz direction is It refers to ...

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Abstract

The invention belongs to the technical field of superconducting cyclotrons and particularly relates to a suspension system and method for adjusting first harmonic of magnetic field of a superconducting cyclotron. Wherein the suspension system is used for adjusting first harmonic of the magnetic field of a superconducting coil and is arranged on a circular low-temperature thermostat of the cyclotron, and the superconducting oil is disposed in the low-temperature thermostat and includes a plurality of upper pull rods arranged on an upper end surface of the low-temperature thermostat, a plurality of lower pull rods arranged on the lower end surface of the low-temperature thermostat and a plurality of cross pull rods arranged on the side of the low-temperature thermostat, the position of the superconducting coil can be adjusted by adjusting tensile force of the upper pull rods, lower pull rods and cross pull rods, positional adjustment includes Bz-direction and Br-direction adjustment for the superconducting coil, and the Bz-direction refers to the axial direction of the low-temperature thermostat, and the Br direction refers to the radial direction of the low-temperature thermostat. The suspension system provided herein is simple in structure and has the advantages of good operational convenience and low manufacture cost.

Description

Technical field [0001] The invention belongs to the technical field of superconducting cyclotrons, and particularly relates to a suspension system and method for adjusting the first harmonic of the superconducting cyclotron magnetic field. Background technique [0002] Cyclotron is a device that uses magnetic field and electric field to make charged particles in cyclotron motion and is repeatedly accelerated by high-frequency electric field in motion. It is an important instrument in high energy physics. Superconducting cyclotron is the core equipment of medical proton therapy accelerator. The medical proton therapy accelerator can treat tumors with proton and heavy ion rays in the microcosm. It is the most cutting-edge radiotherapy technology in the world today, and only a few developed countries have mastered and applied this technology. The development of the superconducting cyclotron has been launched in China but has not yet been completed. [0003] The magnetic field of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H7/00H05H13/00
CPCH05H7/00H05H13/00
Inventor 尹蒙王川李明崔涛
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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