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Ion source fast-connection scalable water-cooled Langmuir double probe

An ion source and dual-probe technology, applied in the direction of plasma, electrical components, etc., to achieve the effect of easy replacement

Inactive Publication Date: 2015-09-23
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By pressing the nut to compress the pressing block and extruding the O-ring to realize the seismic sealing when the probe tube expands and contracts

Method used

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  • Ion source fast-connection scalable water-cooled Langmuir double probe
  • Ion source fast-connection scalable water-cooled Langmuir double probe
  • Ion source fast-connection scalable water-cooled Langmuir double probe

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Experimental program
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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] Such as Figure 1-5 As shown, a kind of ion source quick-connect scalable water-cooled double Langmuir probe includes probe core 15, probe tube 13, flange seat 4, ceramic seat 16, one end of probe tube 13 and flange The seat 4 is brazed together, and the end of the probe tube 13 is also brazed with cooling water inlet and outlet pipes 5, 6, the probe core 15 and the ceramic seat 16 are welded together, and the ceramic seat 16 is screwed on the probe tube 13 Above, the probe tube 13 is provided with a cooling water tank 14 communicating with the cooling water inlet and outlet pipes 5 and 6, two Teflon wires 7 are built in the probe tube 13, and the flange seat 4 passes through the clamp 3 and The sealing ring 2 is sealed and fixed with two flange electrodes 1, one end of the two flange electrodes 1 extends into the probe tube 13 and is connected ...

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Abstract

The invention discloses an ion source fast-connection scalable water-cooled Langmuir double probe comprising a probe core, a probe tube, a flange base, and a ceramic base. One end of the probe tube is brazed to the flange base, and cooling water inlet and outlet pipes are brazed to the end of the probe tube. The probe core and the ceramic base are welded together. The ceramic base is fixed to the probe tube in a threaded manner. The probe tube is internally provided with a cooling water tank which is communicated with the cooling water inlet and outlet pipes. Two teflon wires are arranged inside the probe tube. Two flange electrodes are sealed and fixed on the flange base through a clamping hoop and a sealing ring. One ends of the two flange electrodes extend into the probe tube to be respectively connected with the two teflon wires, and the other ends of the two teflon wires are connected with the probe core. The ion source Langmuir double probe of the invention meets the requirements of free length, convenient disassembly and self-cooling, and is simple in structure and convenient to install.

Description

technical field [0001] The invention relates to an ion source quick-connecting scalable water-cooled double Langmuir probe, in particular to a Langmuir double probe that needs to be freely expandable in length, easy to disassemble and has a self-cooling function. Background technique [0002] Neutral Beam Injection (NBI) has the characteristics of high heating efficiency and the clearest physical mechanism, and is one of the important auxiliary devices of EAST Tokamak. The ion source is a key component in the neutral implantation system. The diagnostic method of ion source plasma performance has always been the research focus of plasma diagnostic technology. [0003] Langmuir probe is one of the diagnostic methods of ion source plasma properties, and it is also the most basic diagnostic method. Insert a very small electrode into the plasma of the ion source, then apply a certain voltage, measure the relationship between the passing current and the applied voltage, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/00
Inventor 顾玉明胡纯栋谢亚红谢远来李军杨思皓邑伟
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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