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Frequency-locking phase-locking and deploying structure of coaxial magnetron

A technology of frequency-locking, phase-locking, and magnetron, which is applied to the coupling device of the time-of-flight type electron tube, the cooling method of the time-of-flight type electron tube, and the discharge tube, etc., which can solve the problems of low power capacity of the magnetron structure, Achieve the effect of compact structure, high production value and simple structure

Active Publication Date: 2022-05-10
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above-mentioned deficiencies in the prior art, the frequency-locked phase-locked and deployment structure of the coaxial magnetron provided by the present invention solves the problem of low power capacity of the existing magnetron structure

Method used

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  • Frequency-locking phase-locking and deploying structure of coaxial magnetron
  • Frequency-locking phase-locking and deploying structure of coaxial magnetron
  • Frequency-locking phase-locking and deploying structure of coaxial magnetron

Examples

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Embodiment 1

[0032] An embodiment of the present invention provides a coaxial magnetron frequency-locking and phase-locking and deployment structure, including a hollow metal bridge and a plurality of output structures arranged on the outer cavity of the coaxial magnetron;

[0033] The outer conductor 8 wall of the coaxial magnetron is provided with a coupling slit 9, and each of the coupling slits 9 is connected to an output structure, and a hollow metal bridge is passed between the output structures of the two coaxial magnetrons. connect.

[0034] The frequency-locked phase-locked structure proposed in the embodiment of the present invention, through the redesign of the outer cavity of the coaxial magnetron, adopts the way of the output port to distribute the energy output of the coaxial magnetron, and similarly uses the specially designed hollow The metal bridge connects and couples the coaxial magnetrons with multiple output ports to each other, making it an integral circuit to achieve...

Embodiment 2

[0049] The embodiment of the present invention provides an example of connecting two coaxial magnetrons through the frequency-locked-phase-locked and deployment structure in Embodiment 1, as shown in image 3 As shown, by opening two symmetrical coupling gaps 9 on the outer conductor 8 walls of the two coaxial magnetrons, and then passing figure 2 The hollow structures 14 shown are connected to each other, whereby the coaxial resonant cavities 7 of two different coaxial magnetrons are closely coupled to each other, electrons are emitted at the cathode of the coaxial magnetrons, and the potential energy of the electrons is clustered and handed over When the high-frequency field is given to the coaxial magnetron, part of the microwave energy of the field is injected into another coaxial magnetron through the coupling gap 9 and the hollow metal bridge structure, and the other coaxial magnetron also has a similar process . The coaxial magnetrons inject microwave energy into each...

Embodiment 3

[0054] The embodiment of the present invention designs the size of the frequency-locked phase-locked structure according to the working frequency f=35GHz. In order to improve the quality factor, pure copper with high conductivity should be used as the manufacturing material. After the processing is completed, the surface can be plated with silver or gold. The radius of the top of the anode resonant cavity 1 is 2-3mm,

[0055] The radius of the bottom of the anode resonant cavity 1 is 4-5mm, the radius of the cathode 3 is 1-2mm, the wall thickness of the inner conductor of the anode is 0.3-0.6mm, the height of the coupling seam 6 of the inner conductor and the outer conductor of the anode is 4-6mm, and the width is 0.1-0.5mm, the radius of the outer conductor 8 is 11-13mm, the coupling seam 9 connecting the coaxial resonator and the impedance transformer is 0.1-0.5mm, the length of the impedance transformer 10 is 2-4mm, and the window is made of ordinary sapphire Composition, t...

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Abstract

The invention discloses a frequency-locking phase-locking and deploying structure of a coaxial magnetron. The frequency-locking phase-locking and deploying structure comprises a hollow metal bridge and a plurality of output structures arranged on an outer cavity of the coaxial magnetron, coupling gaps are formed in the outer conductor wall of the coaxial magnetron, each coupling gap is connected with an output structure, and the output structures of the two coaxial magnetrons are connected through a hollow metal bridge. The outer walls of a plurality of coaxial magnetrons are provided with a plurality of coupling gaps, and energy is mutually injected through a hollow metal bridge. Due to perfect impedance matching, energy is not lost in the frequency locking and phase locking process, frequency locking and phase locking of a large-scale array are facilitated, the application prospect is very wide, and the method has the potential of opening the application field of a high-power microwave source of an innovative system. High-power microwaves after frequency locking and phase locking are further subjected to power synthesis, the structure is simple, machining is easy, assembly errors can be effectively reduced, the structure is compact, and the shockproof performance is good.

Description

technical field [0001] The invention belongs to the technical field of microwave power sources in vacuum electronic devices, and in particular relates to a frequency-locking, phase-locking and deployment structure of a coaxial magnetron. Background technique [0002] Microwave, as a new type of energy, is widely used in new material manufacturing, chemical production, garbage disposal, etc. With the optimization and development of domestic industrial structure, microwave, as a new type of energy, will be applied in more fields. So as to make more contributions to my country's low energy consumption, low pollution, sustainable economic development and social progress. [0003] The magnetron is an electric vacuum device used to generate microwave energy. When the magnetron is working, a DC voltage of several hundred volts to tens of kilovolts is applied between the cathode and the anode. At the same time, the interaction space must be placed between the in a uniform DC magneti...

Claims

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Application Information

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IPC IPC(8): H01J23/36H01J23/00
CPCH01J23/36H01J23/005Y02D30/70
Inventor 李海龙王彬蒙林殷勇宋岷生
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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