Neutron generator

A technology for neutron generators and trigger electrodes, which is applied in DC voltage accelerators, electrical components, accelerators, etc., can solve the problems of target damage, large beam load, and high risk of breakdown, so as to increase neutron yield and improve Effects of target lifetime and high extraction efficiency

Pending Publication Date: 2017-08-08
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a neutron generator to solve the problems of large beam load,

Method used

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  • Neutron generator

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[0018] Example

[0019] Such as figure 1 As shown, the neutron generator of the present invention includes a cylindrical insulating tube wall 7 with a cavity structure inside. One end of the insulating tube wall 7 is sealed to form a mounting substrate for the ion source, and the other end is used as a sealing port 8. A ring-shaped anode plate 2 is provided on the substrate, and a coaxial trigger insulation block 4 and a cathode (1) are sequentially sheathed in the ring-shaped anode plate 2 along the radial direction. The ring-shaped anode plate 2 passes through a coaxial cylindrical shape. The outlet metal grid 5 is connected to the plate-shaped anode plate 12, and a ring target 6 separated from the outlet metal grid 5 is provided on the inner side of the insulating tube wall 7, the cathode 1, the ring anode plate 2, the trigger electrode 3, and the trigger insulation block 4 and the outlet metal grid 5 constitute the main structure of the ion source, and are integrally fixed o...

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Abstract

The invention discloses a neutron generator, which comprises an insulating tube wall. One end face of the insulating tube wall is sealed to form an installation substrate of an ion source, and the other end is used as a sealing port. An annular anode plate is arranged on the installation substrate. The coaxial trigger insulating block and cathode are sequentially set in the plate along the radial direction, and the ring-shaped anode plate is connected with the plate-shaped anode plate through a coaxial cylindrical outlet metal grid. An annular target separated by a metal grid; also includes a trigger electrode spaced apart from the cathode, and a power supply system. The structure of the present invention adopts the method of radial extraction and maintains the axial discharge method. The metal ions will still be distributed on the axis, and most of them will be lost on the side wall in the end. However, because the deuterium ions are distributed at the edge, they are affected by the extraction electric field. influence, there will be a higher eliciting efficiency.

Description

technical field [0001] The invention relates to the field of neutron generators, in particular to a pulsed neutron generator based on a metal deuteride vacuum arc ion source. Background technique [0002] A neutron generator is a device that generates neutrons, and is used in oil exploration wells, weapon ignition, etc. Its main components include metal deuteride vacuum arc ion source, beam optics and tritium target. The basic principle is that the ion source generates deuterium ions first, and after being extracted by the beam optics, it hits the target, and the deuterium ions react with the tritium ions on the target to generate neutrons. According to the principle of vacuum arc discharge, the ion source will produce a variety of ions, including metal ions and deuterium ions in various valence states. Among them, metal ions are not the products we expect, not only will not participate in thermonuclear reactions to generate neutrons, but also increase the beam The current...

Claims

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Application Information

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IPC IPC(8): H05H3/06
CPCH05H3/06Y02E30/10
Inventor 郑乐龙继东董攀蓝朝晖刘飞翔李杰杨振刘尔祥陈德彪李天涛
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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