CAJ | 학술논문

采用微型步进电机，结合单片机控制技术，设计了一种配4-20mA液位传感器的指示仪表。文中重点对步进电机原理、硬件线路设计、软件设计流程及测试结果进行了分析介绍。与传统的磁电式、电磁式等指示仪表相比，具有结构简单、调试方便、数字化控制等优点。
채용미형보진전궤，결합단편궤공제기술，설계료일충배4-20mA액위전감기적지시의표。문중중점대보진전궤원리、경건선로설계、연건설계류정급측시결과진행료분석개소。여전통적자전식、전자식등지시의표상비，구유결구간단、조시방편、수자화공제등우점。
Combined with micro-stepping motor and MCU control technology, designed a Stepper motor type liquid level indi-cating instrument with a standard 4-20mA current loop output sensor.This paper describes the stepper motor principle,the hardware design, software design process and test results.Compared with traditional magnetic, electromagnetic and other indicating instru-ments,this design has the advantages of simple structure, easy debugging and digital control,etc.