基于ATmega128的多功能空气净化器控制系统设计

摘要

On the basis of microcontroller ATmega128 ,a control system of multi‐functional air cleaners is designed ,which can realize the detection and automatic control of VOCs and PM 2.5 concentration .Firstly ,according to the design requirements ,the general design of control sys‐tem is completed .Then ,the hardware and software of the system are designed and realized with the technologies of sensing and signal acquisition .Lastly ,the purification effect of the cleaners is tested and the results show that the purification efficiency grade of the system on air pollutants VOCs and PM 2.5 is A .%基于ATmega128单片机，设计了一种多功能空气净化器控制系统，能够实现对室内挥发性有机物（VOCs）、PM 2.5浓度检测及自动控制．首先根据控制系统的设计要求完成系统总体设计，然后应用传感器技术、信号采集技术，设计并实现该系统的硬、软件，最后对净化器的净化效果进行实验分析．实验结果表明，该控制系统对VOCs、PM 2.5空气污染物的净化效能等级均为A等级．