CPI高频高压发生器灯丝电路解析

Analysis of Filament Circuit of CPI High Frequency High Voltage Generator

为研发具有更高稳定性、可靠性及准确性的高频高压X射线机灯丝电路,并使相关医疗人员深入理解和彻底掌握灯丝电路原理。本文针对目前广泛应用的indico 100系列高频高压发生器,分析其灯丝加热电路的具体工作原理,详细剖析反馈电路中真有效值转换原理,并测量了灯丝加热电流等相关数据及波形。测试结果显示灯丝电路基本实现了实际灯丝电流等于预设灯丝电流的设计要求,且整机测试中灯丝电路响应迅速,完全能满足实际应用要求。本文通过对灯丝电路的深入剖析,为研发更高性能灯丝电路提供了重要参考,并提高了相关工作人员的维修效率和准确性。

The present study aims to develop high frequency high voltage X-ray machine filament circuit with higher stability,reliability and accuracy,and to make the relevant medical personnel deeply understand and thoroughly grasp the principle of filament circuit.Firstly,the working principle of filament heating circuit of the widely used indico100series high frequency high voltage generator was analyzed.Then,a detailed analysis of the feedback path in real effective value conversion principle was performed,and filament current and other related data and waveform was measured.The test results showed that the filament circuit basically realized the design requirements of the actual filament current equal to the preset filament current,and the filament circuit in the whole test reponsed fast,which could fully meet the requirements of practical applications requirements.Through the thorough analysis of the filament circuit,this paper provides an important reference for the development of higher performance filament circuit,and improves the maintenance efficiency and accuracy of the related staff.