Small and medium high-voltage pulse power supply

Abstract

The invention discloses a small and medium high-voltage pulse power supply, and belongs to the field of pulse power electronic application. The small and medium high-voltage pulse power supply comprises a power supply extension machine and a modulation extension machine, wherein the power supply extension machine and the modulation extension machine are installed to form a conduction high-voltagepulse power supply, an AC 380V mains supply is input into the power supply extension machine and is converted to a DC high voltage output to the modulation extension machine, and the modulation extension machine outputs high-voltage pulse required by working of a load microwave tube. By employing technologies of charging energy storage of a high-frequency charging power supply, high-voltage discharging of a high-voltage switch comprising a semiconductor switch device and voltage rising of a pulse transformer, high-voltage pulse output is achieved, and the demand of the high-voltage pulse powersupply which is small in size, light in weight and is flexible to use and of which the lifetime of the discharging switch is not limited in the medical industry is solved.

Description

technical field [0001] The invention belongs to the application field of pulse power electronics and relates to the miniaturization design of a high-voltage pulse power supply, in particular to a small medical high-voltage pulse power supply. Background technique [0002] Pulse power technology has a wide range of applications in radar, security inspection, medical treatment, accelerator, industrial irradiation, non-destructive testing, microwave weapons and many other fields. As a part of the system, the high-voltage pulse power supply plays a vital role and directly affects the normal operation of the system. [0003] Traditional medical high-voltage pulse power supplies mostly use electronic vacuum tubes as discharge switches, and are equipped with pulse forming lines to generate the high-voltage pulse voltage required by the system. The electronic vacuum tube discharge switch needs to be equipped with a high-stability filament power supply circuit, and the service life ...

AI Technical Summary

Problems solved by technology

The electronic vacuum tube discharge switch needs to be equipped with a high-stability filament power supply circuit, and the service life of the vacuum tube discharge switch has a certain limit. After a period of high-voltage operation, the system must be replaced before it can be used normally.

Due to the large volume of the pulse forming line network, it greatly affects the volume and weight of the high-voltage pulse power supply

Due to factors such as the price and service life of the vacuum tube discharge switch and the volume and weight of the pulse forming line, the traditional medical high-voltage pulse power supply has disadvantages such as bulky, high cost, and limited life. Carry out relevant applied research in the industry

[0004] In order to solve the problems of traditional medical high-voltage pulse power supply, such as bulky size, heavy weight, high operation and maintenance costs, short life of the discharge switch, and inconvenient use, a small medical high-voltage pulse power supply is provided.

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