摘要
针对市场上PM2.5检测仪的功能单一和价格昂贵的问题,设计了一款多功能PM2.5检测系统。此检测系统以STC90C51单片机为核心控制器,采用GP2Y1050AUOF灰尘传感器和DS18B20温度传感器对空气中PM2.5浓度和环境温度进行检测,经A/D转换,完成了数据采集、计算与处理,实现了PM2.5浓度、温度、时间实时显示以及PM2.5上限报警、时间调整、人机交互等功能。测试结果表明:该PM2.5检测系统在室外正常空气环境中测试结果与当地环境检测部门公布的PM2.5数据误差为±3μg/m3,温度误差为±1℃,时间走时精确。
A multifunctional PM2. 5 detection system is designed,in order to overcome the problems of high cost and single function of the PM2. 5 detectors on markets. PM2. 5 concentrations and ambient air temperature are detected by core controller implementation of STC90C51 micro-controller, dust sensor GP2Y1050 AUOF and temperature sensor DS18B20 respectively,and data acquisition,calculation and processing are implemented after A / D conversion. It is achieved to the real-time display of PM2. 5 concentration,temperature and time,and functions of PM2. 5 limit alarm,time adjustment and interactive. Test results show： PM2. 5 data error tested by the PM2. 5 detector in normal outdoor ambient air is ± 3 μg / m3,the temperature error is ± 1 ℃ that compared with data announced by the local environmental monitoring department,and walking time accurately.
出处
《黑龙江大学工程学报》
2016年第1期66-72,86,共8页
Journal of Engineering of Heilongjiang University
基金
教育部2013年度高等学校博士学科点专项科研基金联合资助项目(20132301110005)
2015年黑龙江大学大学生创新创业训练计划资金资助项目(2015DZ15)
