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X线机机头热量累积过载自控仪的研制湖北省襄樊市卫校放射科裴作湖北襄阳农校物理教研究刘秀珍一、引言X线机球管损坏的最通常原`因是灯丝蒸发和机头的热过载。目前,国内所用的X线机中,有一部份,其热容量保护装置仅能作一次性限量保护,对于多次重复曝光所出现的累...
Development of an X-ray machine head thermal overload automatic control instrument for radiology in Xiangfan City, Hubei Province Physics teaching research in Hubei Liyang Agricultural College I. INTRODUCTION X-ray machine tube damage is the most common cause of filament evaporation and head Thermal overload. At present, there are a part of the X-ray machines used in China, and their thermal capacity protection devices can only be used for one-time limited protection. For many repeated exposures appear tired ...