X ray high frequency high voltage generator for medical use diagnose

Abstract

The invention discloses a medical diagnosis X-ray high frequency high pressure generator, comprising a power supply, a central control unit, a high frequency inverter circuit, a pulse width modulation driving circuit and a high pressure transform and high pressure output circuit. The generator transforms the industrial power to two ways of high frequency and high pressure, a positive direct current high pressure and a negative direct current high pressure are obtained through rectifying and wave-filtering to provide an X-ray ball tube to work. As the frequency is high, the ripple of the rectified and wave-filtered high electric pressure is tiny, and the X-ray quality projected by the X-ray ball tube is high, and the clearance of photos of the perspective and photograph is also high. The X-ray ball tube of a photograph bed or the X-ray ball tube of an electric perspective bed can work if allocated with the high pressure power. The invention is convenient for the medical staff to use the X-ray to do the work of diagnosing diseases. As the high pressure power supply, the invention is also suitable in the safety inspection fields such as industrial flaw detection, civil aviation, station and customs etc, and provides a stable and high qualified high pressure power supply for the equipments.

Description

technical field [0001] The invention relates to a medical diagnostic X-ray machine, especially a high-frequency and high-voltage generator of the X-ray machine. Background technique [0002] After Rontgen discovered X-rays on November 8, 1895, X-rays have been used for medical diagnosis for more than 100 years. 50 Hertz (Hz), open-loop control. Due to the low operating frequency, the DC high voltage ripple after rectification and filtering is still relatively large, so that the quality of X-rays is not high, such as: poor monochromaticity, more soft rays, etc. Due to the use of open-loop control, the DC high voltage and current are not very stable, the control of exposure parameters and the stability of repeatability are poor. Due to the low degree of automation of operation and low level of protection, there are many factors affecting imaging, which ultimately leads to poor imaging quality. High, the diagnostic level is greatly limited, and the equipment structure is comp...

AI Technical Summary

Problems solved by technology

Although intermediate frequency and high frequency X-ray machines are listed as the key research topics of the national "Seventh Five-Year Plan", "Eighth Five-Year Plan" and "Ninth Five-Year P...

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