基于LM324的直流电动机调速器设计

:介绍了一种基于LM324集成四运放的直流电动机调速器的设计方法,给出了详细的电路原理图及说明。所设计的调速器中设置了软起动、电压负反馈、电流正反馈、过电流截止保护、微分校正电路等环节,并采用了简单而有效的脉冲封锁和失磁保护技术。

关键词:直流电动机;调速器;集成运算放大器;LM324

Abstract:The design of DC Motor speed controller based on LM324 is introducedhere,and theprinciple diagramand

descripaTIon of it sdetailedcircuiTIsprovided.Thecomponents

ofsoft-start,voltagenegaTIvefeedback,currentposiTIvefeedback,

overcurrentprotection,differentialcorrectingcircuitare

setinit.Anup-to-date,singleandefficientpulse-lockand

magnetism-lossprotectiontechnologyareadopted.

Keywords:DCmotor;speedcontrolller;integratedoperationalamplifier;LM324