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Multi-traveling wave tube miniaturized electron gun

An electron gun and wave tube technology, applied in the field of multi-injection traveling wave tube miniaturized electron guns, can solve the problems of large volume and weight, complex structure, etc., and achieve the effects of good electrical performance, simplified assembly and manufacturing process, and reduced weight and volume.

Inactive Publication Date: 2011-06-22
HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a miniaturized multi-beam traveling wave tube electron gun to solve the problems of complex structure and large volume and weight of the traveling wave tube electron gun in the traditional technology

Method used

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  • Multi-traveling wave tube miniaturized electron gun
  • Multi-traveling wave tube miniaturized electron gun
  • Multi-traveling wave tube miniaturized electron gun

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Embodiment Construction

[0013] Such as figure 1 , figure 2 shown. The multi-beam traveling wave tube miniaturized electron gun includes a shell 2 with openings at both ends and a skirt at one end of the shell. A pin hole is opened on the skirt of the shell, and a pin 3 is arranged in the pin hole. 2 The insulator 1 whose inner wall is connected as a whole has a boss in the center of the insulator 1, and a cup-shaped piece 6 is connected to the boss, and a cup-shaped piece 2 7 is also arranged on the insulator 1, and the cup-shaped piece 7 is covered on the boss and Outside cup-shaped piece 6, cup-shaped piece 3 9 is connected above cup-shaped piece 6, and cathode assembly 8 connected to the bottom of cup-shaped piece 9 is arranged in cup-shaped piece 3 9, and the top of cathode assembly 8 has a plurality of Emitting holes, the top of the cup-shaped part three 9 is provided with a shadow grid 10 covering the top opening of the cup-shaped part three 9, and a plurality of emitting holes are arranged ...

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Abstract

The invention discloses a multi-traveling wave tube miniaturized electron gun, belonging to the field of traveling wave tube electron guns. The multi-traveling wave tube miniaturized electron gun consists of a cathode assembly, a shadow grid, a control grid, an insulator and a plurality of cup-shaped members. The components are assembled together in a contact welding manner, therefore, the structure is light, compact, firm and reliable. The invention greatly reduces the weight and volume of electro guns, reduces the parts and simplifies the assembling and manufacturing process. Compared with the traditional electron gun, the invention reduces the weight by 80 percent, reduces the diameter by 40 percent and reduces the height by 50 percent; besides, the withstand voltage can reach 15KV which ensures good electric property and satisfies the requirement of multi-travelling wave tube. The invention acquires good effect in practical application.

Description

technical field [0001] The invention belongs to the field of traveling wave tube electron guns, in particular to a multi-injection traveling wave tube miniaturized electron gun. Background technique [0002] The task of the traveling wave tube electron gun is to generate a beam of high-speed thin beams of electrons (often called electron beams or electron streams) with a certain energy. From the point of view of energy relationship, what the electron gun does is to transfer the energy of the DC power supply to the electron injection, which becomes the kinetic energy of the electron. [0003] The multi-beam traveling wave tube is a type of tube with small size, light weight, and higher power than the single-beam tube at the same voltage. These characteristics indicate that multi-beam traveling wave tubes are especially suitable for systems with special requirements on volume and weight, such as missile-borne systems. In order to make better use of the advantages of multi-be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J23/06
CPCH01J25/44
Inventor 吴华夏方卫李金晶
Owner HUADONG PHOTOELECTRIC TECHN INST OF ANHUI PROVINCE