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BNCT faraday cylinder based on linear guide rail

A Faraday cylinder and linear guide technology, which is applied to radiation measurement, measuring devices, instruments, etc., can solve the problems of deformation of the connecting rod of the cylinder support plate, difficult movement of the connecting rod of the cylinder support plate, and inability to guarantee a straight line, etc. difficult effect

Pending Publication Date: 2019-12-27
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems existing in the prior art, the present invention proposes a BNCT Faraday cylinder based on a linear guide rail. The problem of deformation of the connecting rod of the cylinder support plate

Method used

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  • BNCT faraday cylinder based on linear guide rail
  • BNCT faraday cylinder based on linear guide rail
  • BNCT faraday cylinder based on linear guide rail

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] See figure 1 , an accelerator Faraday cylinder, the square groove of the Faraday cylinder test head is facing the direction of the ion source beam, and the head is wrapped with LY12 material (except the groove part and the bottom), so as to ensure that the electrons will not hit the Faraday The head prevents damage to the Faraday cage caused by excessive local temperature. A water-cooling pipeline is provided on the bottom surface of the Faraday cage test head, and cooling water is used to cool the Faraday cage. Calculate according to the range of the particles of the measured particle beam in the material used for the Faraday cup test head, the thickness of the bottom of the Faraday cup test head needs to be greater than the above-mentioned range, and the water cooling pipeline is set outside the range ( Figure 6b Medium range), which can prevent the cooling water in the water cooling pipeline from being activated. In this embodiment, the Faraday cup test head is m...

Embodiment 2

[0074] Such as Figure 10 Shown is the application effect diagram of the Faraday cage of the present invention. The base flange 3-1 of the Faraday cage is fixedly connected with the vacuum chamber of the cyclotron, and the Faraday cage test head stretches into the vacuum chamber of the cyclotron. The cylinder drives the support cylinder, the bellows 3-2, and the Faraday cylinder test head to move through the screw rod support 7-3 to complete the test.

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Abstract

The invention discloses a BNCT faraday cylinder based on a linear guide rail. The faraday cylinder sequentially comprises a faraday cylinder head group welding part, a faraday cylinder support assembly, a corrugated pipe group welding part, a vacuum cavity assembly, a sealing flange assembly and a cylinder support assembly from front to back along the axial direction, wherein a guide rail assemblyand a support body assembly, which are mutually parallel and at a certain distance, are also arranged between the cylinder support assembly and the faraday cylinder head group welding part along theupper and lower sides of the corrugated pipe group welding part; the guide rail assembly and the support body assembly are respectively connected to the faraday cylinder head group welding part through the corrugated pipe group welding part at one end of the opposite side, and are respectively connected to the cylinder support assembly at the other end of the opposite side; and the cylinder support assembly acts on the guide rail assembly, moves in a straight line, and drives the vacuum cavity assembly through the guide rail assembly, so that the faraday cylinder head group welding part is driven to move towards a target position. According to the BNCT faraday cylinder based on the linear guide rail in the invention, a connecting rod is improved into a sliding rail; therefore, the cylindermoves smoothly; and the speed slowing problem cannot happen again.

Description

technical field [0001] The invention belongs to the technical field of cyclotrons, and in particular relates to a BNCT Faraday cage for measuring the beam current intensity of an ion source. Background technique [0002] A cyclotron is a device that uses a magnetic field and an electric field to make charged particles perform cyclotron motion, and is repeatedly accelerated by a high-frequency electric field during the motion. It is an important instrument in high-energy physics, and 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. [0003] The core capability improvement project of Longteng 2020 Science and Technology Innovation Plan needs to develop a set of accel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/29
CPCG01T1/29
Inventor 栗冰婕
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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