基于STC12C5A60S2单片机的模拟路灯控制系统设计

摘要

文中详细描述了路灯模拟控制系统的设计方法.系统包括单片机控制、显示、红外感应、恒流驱动、路灯单元控制、故障检测与报警等6个模块.单片机控制模块以STC12C5A60S2为核心,完成各感应器件的信号采集任务,控制LED灯的工作模式,LCD显示各种数据.采用PWM波数字调节恒流源输出功率,达到控制LED路灯的照度;故障检测与报警模块可以实时检测各路灯单元的工作状态.实验证明该系统电路运行可靠.%This article describes in detail the design method of analog control system of street lamp.The system consists of microcomputer control,display,the six module of infrared induction,constant current drive,street lamp unit control,fault detection and alarm etc..MCU control module with STC12C5A60S2 as the core,to complete the signal acquisition task in each sensor,control LED lamp operating mode,LCD display data.Using the PWM wave digital control constant current source output power,achieve the illumination control LED lamp; fault detection and alarm module can work in real-time detection of each lamp unit state.The experiment proves that the system circuit is reliable in operation.