Double helix sink type high current electron beam collector

A high-current electron beam and double-helix technology, which is applied in the field of double-helix sink-type high-current electron beam collectors, can solve problems such as poor thermal conductivity, and achieve high heat transfer capacity, easy replacement, and good thermal conductivity.

Inactive Publication Date: 2017-10-24
NAT UNIV OF DEFENSE TECH
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  • Application Information

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Problems solved by technology

The traditional collector is generally made of stainless steel, and the disadvantage of stainless steel is mainly its poor thermal conductivity.

Method used

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  • Double helix sink type high current electron beam collector
  • Double helix sink type high current electron beam collector
  • Double helix sink type high current electron beam collector

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Embodiment Construction

[0050] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0051] The double-helix water tank type high-current electron beam collector of the present invention is composed of a double-helix water tank sleeve 6, a collector substrate 7, a front gland 8, a rear gland 9, a front silver wire sealing ring 10 and a rear silver wire seal. Circle 11 composed. The inner wall of the sleeve 6 is provided with a double helix water tank, and the double helix water tank includes a main water channel 601 and an auxiliary water channel 602, and the axial length of the main water channel 601 is L m The length of the region bombarded by electrons l c OK, L m ≥2l c , the pitch of the main waterway 601 satisfies 2la , satisfying L a = 2L m . A water inlet 6011 is opened at the starting point of the main waterway, and a water outlet hole 6012 is opened at the ending point, and a water inlet 6021 is opened at the ...

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Abstract

The invention belongs to the technical field of high-power microwaves and specifically relates to a double-helix water channel type heavy-current beam catcher, for the purpose of providing a beam catcher of a high-power microwave source suitable for long-time high-repeat-frequency operation so as to timely and efficiently transfer enormous heat energy deposited at the surface in a heavy-current electron-beam bombardment collector and effectively recover electron beams. The technical scheme is as follows: the heavy-current beam catcher is designed by use of a mode of cooperation between double-helix water channel sleeve and a metal tantalum substrate, a double-helix water channel formed between the sleeve and the substrate can improve uniformity of the speed of a fluid in the water channel and eliminate a flow speed dead zone so as to improve the convection heat exchange capability of a cooling structure, and a high melting point and a strong scattering feature of the metal tantalum substrate can improve the highest work temperature that the catcher can bear. In the beam catcher of a repeat-frequency, long-pulse and long-time running GW-grade high-power microwave generation device, the double-helix water channel type heavy-current beam catcher can effectively solve the problem of heat dissipation of the enormous heat energy generated by the beam bombardment collector.

Description

technical field [0001] The invention belongs to the technical field of high-power microwaves, and in particular relates to a double-helix water tank type high-current electron beam collector. Background technique [0002] The application background of the present invention is a high-power microwave source with repeated frequency operation. The high-power microwave source is a device that uses the interaction mechanism between the high-current relativistic electron beam and the eigenmode of the high-frequency structure in the vacuum high-frequency structure, and converts the energy of the high-energy electron beam into high-frequency electromagnetic wave energy. It is used in military and industrial applications. have important applications. At present, the energy efficiency of high-power microwave devices is generally low. The high-current relativistic electron beam still has relatively high kinetic energy after passing through the beam-wave interaction to hand over part of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J23/033H01J23/027
CPCH01J23/027H01J23/033
Inventor 荀涛白珍张军杨汉武靳振兴杨建华张建德钟辉煌
Owner NAT UNIV OF DEFENSE TECH
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