基于STC单片机的空气成分观测控制系统  

Air composition observation and control system based on STC MCU

作　　者：黄宏智 黄飞龙 陈冰怀 

机构地区：[1]广东省气象探测数据中心,广州510080

出　　处：《电子测量技术》2017年第2期113-116,共4页Electronic Measurement Technology

摘　　要：为了给广东地区PM2.5、二氧化碳、氧含量以及负离子等指数的监测和特征分析提供数据支撑,广东省气象局率先在国内自主研发了一款空气成分观测控制系统。通过应用STC单片机串口通信、外部中断以及I/O口配置等技术,构建命令接收响应、要素数据采集、设备状态在线监控等功能模块,系统能实现与超级生态自动气象站主采集器的命令数据交换、4类空气成分传感器运行数据的获取、关键工作节点的定时检测等。并利用空气成分专业仪器与系统的观测数据进行了比较分析,初步验证了系统采集数据的准确度。实际应用效果表明,该观测控制系统运行稳定可靠、测量精度高,较好地满足气象服务需求。In order to provide data support for the monitoring and characteristic analysis of index of Guangdong including PM2.5,carbon dioxide,oxygen content and negative ions.Guangdong Provincial Meteorological Bureau takes the lead in the research and development of the air composition observation and control system.Through the application of the STC single-chip serial communication,external interrupt and I/O port configuration technology,the function modules such as command receiving response,element data acquisition and equipment status online monitoring are constructed,the system can realize the command data exchange with the main collector of super ecological automatic weather station,acquisition of four types of air composition sensors,timing detection of key working nodes.By comparing and analyzing the observed data of air composition and professional instrument system,the accuracy of system data acquisition is verified preliminarily.The actual result indicates that the air composition observation and control system is of high precision,stable and reliable,and meets the needs of meteorological services betterly.

关 键 词：观测控制系统 空气成分 串行口通信 数据采集 

分 类 号：TN702[电子电信—电路与系统]