摘要
设计并实现了一种基于APP的智能家居环境监测系统,实时监测室内CO、CO2、O3及PM2.5的浓度;当被检测气体或PM2.5浓度超过标准值时,系统会立即推送报警消息到用户的智能手机,提醒用户启动相应的空气净化程序对室内进行净化处理;系统利用MQ7、MG811、MQ131及GP2Y1010AU 4种气体检测传感器分别检测室内CO、CO2、O3及PM2.5的浓度,然后将污染气体及PM2.5浓度信息通过GPRS传送到后台服务器,智能手机端APP通过WIFI或3G查询后台服务器即可获取污染气体及PM2.5浓度信息;经实践证明,该系统所测得污染气体及PM2.5浓度的精确率达到98%,并能将浓度变化情况用曲线展示给用户,让用户方便及时地了解到室内环境状况。
Design and implement an environment monitoring system at smart home based on APP, which can monitor the concentrations of CO, CO2,O3 and PM2.5 in real-time. In either the concentration of detected gas or PM2.5 exceeds the standard value, the system will immediately push the alarm message to users＇ smart phones to alert users to start the appropriate procedures for indoor air purification treatment. System uses MQT, MG811, MQ131 and GP2Y1010AU four kinds of gas detection sensors to detect indoor CO, CO2, 03 and PM2.5 concentrations, then sent the pollutant gas and PM2.5 concentration information to the backstage server through GPRS, APP on smart phone will obtain information on pollutant gas and PM2.5 concentration by querying the server through WIFI or 3G. Practice proves that precision of polluting gases and PM2.5 concentrations measured by this system reaches to 98%, and it presents change of concentrations to users with a curve, allowing users to be kept informed of the indoor environment status conveniently.
出处
《计算机测量与控制》
北大核心
2014年第7期2018-2020,2023,共4页
Computer Measurement &Control
基金
国家自然科学基金资助项目(61174106)
武汉科技大学大学生创新基金(11ZRA175)
