PM2.5实时检测与多重感知系统设计

摘要

基于ARM处理器,利用PM2.5激光传感器、实时时钟芯片,设计了集语音播报、液晶屏实时显示、空气质量等级LED灯警戒3种感知功能于一体的PM2.5实时检测与多重感知系统,该系统可以实时检测当前环境的PM2.5浓度,并具有电子时钟功能,可满足社会不同领域及各类群体对PM2.5浓度检测的需求.实验结果证明,该系统可以实时检测PM2.5浓度,并具有精确度高、适于推广普及等优点.%Based on ARM technology,using PM2.5 laser sensor and RTC chip,designed a system with PM2.5 real-time detection and real time clock and voice broadcast and LCD real-time display and air quality levels LED lights alert functions.The system can meet the needs of a variety of fields and all kinds of groups.The results show that the system can real-time detect PM2.5 concentrations,and has the advantages of high precision and suitable for promotion etc.