Magnetic field measuring device and magnetic field measuring method for positioning position of superconducting coil

A superconducting coil and magnetic field measurement technology, which is applied to measuring devices, measuring magnetic variables, instruments, etc., can solve problems such as the inability to apply superconducting coils to magnetic field measurement, and achieve the effects of meeting accuracy requirements, low cost, and simple and convenient operation

Inactive Publication Date: 2017-01-04
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing magnetic field measurement devices for room temperature cyclotron coils cannot be ap

Method used

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  • Magnetic field measuring device and magnetic field measuring method for positioning position of superconducting coil
  • Magnetic field measuring device and magnetic field measuring method for positioning position of superconducting coil
  • Magnetic field measuring device and magnetic field measuring method for positioning position of superconducting coil

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0033] Such as figure 1 As shown, a magnetic field measuring device for positioning a superconducting coil position provided by the present invention is used for the magnetic field measurement of a superconducting coil of a superconducting cyclotron, and the superconducting coil is arranged in an annular cryostat 3, wherein, It includes a support arm 1 that can be placed on the diameter of the circular hollow position of the circular cryostat 3, adjustable support rods 2 arranged at both ends of the support arm 1, arranged under the support arm 1, and equipped with a magnetic detector. The measuring arm 9 of the sheet fixing block 4, the adjustable support rod 2 is used to adjust the measuring arm 9 to the center plane 11 of the superconducting coil, and the supporting arm 1 is used to drive the measuring arm 9 in the circular shape of the cryostat 3. ...

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Abstract

The invention belongs to the technical field of superconducting cyclotrons and particularly relates to a magnetic field measuring device for positioning the position of a superconducting coil. The magnetic field measuring device is used for magnetic field measurement of the superconducting coil of a superconducting cyclotron; the superconducting coil is arranged in a circular cryostat; the magnetic field measuring device comprises a supporting arm which can be arranged on the diameter of a circular hollow position of the circular cryostat, adjustable supporting rods arranged at two ends of the supporting arm, and a measuring arm which is arranged below the supporting arm and is provided with a magnetism measuring Hall piece fixing block; the adjustable supporting rods are used for adjusting the measuring arm to a central plane of the superconducting coil; the supporting arm is used for driving the measuring arm to do axial rotation in the circular hollow position of the cryostat; a magnetism measuring Hall piece which can be used for measuring the intensity of a magnetic field is arranged in the magnetism measuring Hall piece fixing block; the magnetism measuring Hall piece can be used for measuring radial magnetic field distribution of the superconducting coil in the cryostat along with the rotation of the measuring arm. The magnetic field measuring device has the advantages of simple structure, convenience in operation and low cost.

Description

technical field [0001] The invention belongs to the technical field of superconducting cyclotrons, and in particular relates to a magnetic field measuring device for locating the position of a superconducting coil and a method thereof. Background technique [0002] A cyclotron is a device that makes use of a magnetic field and an electric field to make charged particles undergo cyclotron motion, and is repeatedly accelerated by a high-frequency electric field during the motion. It is an important instrument in high-energy physics. The superconducting cyclotron is the core equipment of the current medical proton therapy accelerator. Medical proton therapy accelerators can treat tumors with protons and heavy ion rays in the microscopic world. It is the most advanced radiation therapy technology in the world today, and only a few developed countries have mastered and applied this technology. The research and development of superconducting cyclotrons has been launched in China, ...

Claims

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Application Information

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IPC IPC(8): G01R33/10
CPCG01R33/10
Inventor 张天爵尹蒙王川李明吕银龙
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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