Automatic protection device for detecting X ray bulb tube current

Abstract

The invention discloses an automatic protection device for detecting X ray bulb tube current, and belongs to the technical field of a medical appliance. The automatic protection device comprises an input unit of test equipment, an output unit of an X ray bulb tube, a sampling unit, an amplification unit, a reference unit, a feedback unit, a logic operation unit and a control unit, wherein the input unit, the output unit, the sampling unit, the amplification unit, the reference unit, the feedback unit, the logic operation unit and the control unit are sequentially connected to form a loop; theamplification unit is connected with the feedback unit; through tube current signals output by the detection output unit, through sampling, amplification, regulation and feedback control, the formation of a closed loop system by the test equipment and the X-ray bulb tube can be realized; the high-voltage output in the test equipment is effectively controlled on the closed loop system. When the abnormal change of the tube current is detected, the high-voltage output of the detection equipment can be fast switched off; elements in the test equipment is protected; the equipment stability and reliability are improved.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, in particular to an automatic protection device for detecting the current of an X-ray tube. Background technique [0002] Existing testing equipment for medical X-ray tubes uses a high voltage that is rectified by a network power supply to generate a DC high voltage. The detection of tube voltage and tube current is carried out with KV meter and mA meter, which cannot form a closed-loop system with the detection equipment. During the test, if the X-ray tube discharges, it will generate ultra-high voltage, which will easily burn out the components in the testing equipment, which will bring a lot of inconvenience to production and maintenance. Contents of the invention [0003] In order to solve the above-mentioned defects in the prior art, the present invention provides an automatic protection device for detecting the current of an X-ray tube. [0004] To achieve the above object, th...

AI Technical Summary

Problems solved by technology

The detection of tube voltage and tube current is carried out by KV meter and mA meter, which cannot form a closed-loop system with the detection equipment

During the test, if the X-ray tube discharges, it will generate ultra-high voltage, which will easily burn out the components in the testing equipment, which will bring a lot of inconvenience to production and maintenance.

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