CAJ | 학술논문

借用原有电气设备的单片机资源,增加外围电路,设计了一种用单片机控制的电压转电流电路。它用于把标准电压信号转换为标准电流信号进行远距离传输,可增强信号的抗干扰能力。该电路通过单片机控制,不但可以根据需要调整电压电流转换曲线,减少因器件固有特性造成的转换误差,而且具有精度高,成本低,体积小,电路简单等特点。该电路已应用于采煤机电控系统的信号转换和信号传输,满足了设计的要求。
차용원유전기설비적단편궤자원,증가외위전로,설계료일충용단편궤공제적전압전전류전로。타용우파표준전압신호전환위표준전류신호진행원거리전수,가증강신호적항간우능력。해전로통과단편궤공제,불단가이근거수요조정전압전류전환곡선,감소인기건고유특성조성적전환오차,이차구유정도고,성본저,체적소,전로간단등특점。해전로이응용우채매궤전공계통적신호전환화신호전수,만족료설계적요구。
The voltage signal converts to current circuit controlled by SCM（Single-Chip Microcomputer） is designed by original electric installation＇s SCM resources and increase surrounding circuit,which converts the standard voltage signal to standard current signal and help the signal transfer long distance,also strength the signal＇s anti-interference ability.The circuit is controlled by SCM,it not only can adjust convert curve of voltage current,reduce convert error by electronic component＇s intrinsic features,but also have the features of high accuracy,low cost,small size and simple circuit.This circuit has been applied on signal transfer and transmission of shear＇s electrical control system,which can meet design needs.