Electron beam monitoring device for electron accelerator

An electron accelerator and electron beam technology, applied in the direction of electrical components, accelerators, etc., can solve the problems of damage and destruction of vacuum pipelines, and achieve the effect of improving safety and reliability

Inactive Publication Date: 2011-08-31
无锡爱邦辐射技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the electron accelerator is outputting at a large beam current, it is easy to misjudge that the vacuum change caused by the abnormal transport of the electron beam and the heating of the vacuum pipeline are caused by electron scattering at the edge of the beam envelope at the high beam current.
When the electron accelerator works in the state of abnormal beam transport, it is very easy to cause serious damage and damage to the electron accelerator tube, vacuum pipeline, etc.

Method used

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  • Electron beam monitoring device for electron accelerator
  • Electron beam monitoring device for electron accelerator
  • Electron beam monitoring device for electron accelerator

Examples

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing, take the electron accelerator electron beam current monitoring device of four probes as example, describe the present invention in detail, as shown in the figure, pipeline 2 two sides are respectively welded with lower flange 1 and upper flange 3, and probe 4 is made of The stainless steel receiving plate 5, joint 7, Kovar insulating sleeve 8, and shaft 9 are composed. The receiving plate 5 is installed on the end of the shaft 9 inserted into the pipe through the screw 6. The joint 8 is set on the shaft 9 and connected to the outer wall of the pipe 3. Welding and fixing, the Kovar insulating sleeve 8 is set on the shaft rod 10, one end of which is welded with the joint 8, and the other end is welded with the shaft rod 9. The four probes 4 are evenly arranged in the circumferential direction on the same vertical plane inside the pipeline 2 . When the device is used, the upper flange 3 and the lower flange 1 are respectively...

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Abstract

In the working process of an electron accelerator, the transport of an electron beam is invisible in an electron accelerating tube, and the transport of the electron beam is difficult to monitor in an electron accelerating tube section. In order to solve the problems, the invention provides an electron beam monitoring device, which is characterized by consisting of four probes, two flanges and a pipeline. Two sides of the pipeline is welded with the flanges; each probe consists of a receiving board, a joint, a Kovar insulation sleeve and four shaft rods; the receiving board is fixedly connected with one end of the shaft rods inserted into inside the pipeline through a bolt; the joint is sleeved on the shaft rods and fixedly welded with the outer wall of the pipeline; the Kovar insulation sleeve is sleeved on the shaft rods, one end of the Kovar insulation sleeve is welded with the joint, and the other end of the Kovar insulation sleeve is welded with the shaft rods; and the probes are uniformly and circumferentially installed on the same vertical plane of inner side of the pipeline. The device detects whether improper transport statuses such as broken stream occur during the outputting electron beams of the electron accelerator through a beam signal output by the monitoring probes, thereby providing objective basis for the diagnosis of beam statuses of the electron accelerator and contributing to improvement on the safe reliability of the electron accelerator.

Description

technical field [0001] The invention belongs to the electron beam current monitoring technology, in particular to an electron beam current monitoring device for an electron accelerator. Background technique [0002] During the working process of the electron accelerator, the transport of the electron beam in the electron accelerating tube is invisible, and it is difficult to monitor the transport of the electron beam in the electron accelerating tube section. At present, industrial electron irradiation accelerators do not pay enough attention to the monitoring of the beam current, and generally only judge the beam transport status indirectly through the vacuum change caused by the abnormal transport of the electron beam and the heating of the vacuum pipeline. When the electron accelerator is outputting at a large beam current, it is easy to misjudge that the vacuum change caused by the abnormal transport of the electron beam and the heating of the vacuum tube are caused by e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H7/00
Inventor 吴燕伟赵华杨勇蔡书贵
Owner 无锡爱邦辐射技术有限公司
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