摘要
为了实现自动气象站的智能控制和系统自检,设计了一种具有自检功能的象站无线通信系统。该系统使用RS232串口通信及GPRS无线通信,将多种气象信号通过总线接口接入自动气象站,地层设备根据通信协议,将气象站要素信号采集,完成各项操作后,将采集的气象数据传输到上层进行终端处理。系统通过5个自检测量点对主要气象要素的测量,结果为温度的5次测量值分别为-2.5℃、12.2℃、23.3℃、28.6℃、33.4℃,误差最大值为1.2%;湿度的5次测量值分别为10.0%、20.0%、30.0%、40.0%、50.0%,误差为0;雨量5次测量值分别为0.2、0.3、0.4、0.5、1 mm,误差为0;风速5次测量值分别为1.9、3.1、4.2、5.3、7.4 m/s,误差最大为4.5%,且以上测量误差均满足气象观测规范中的要求。结果表明该系统能够将采集的气象数据传输到上层进行终端处理实现自检功能,当自检发现设备故障时自动报警提醒,并实时推送给业务管理人员,从而缩短故障响应时间,实现了气象站的智能控制,提高了自动气象站业务数据的观测质量。
In order to realize the intelligent control and system self-test of automatic weather station,a wireless communication system with self-test function is designed.The system uses RS232 serial port communication and GPRS wireless communication to connect a variety of meteorological signals to the automatic weather station through the bus interface.The ground equipment collects the element signals of the weather station according to the communication protocol.After completing various operations,the collected meteorological data is transmitted to the upper layer for terminal processing.The system measures the main meteorological elements through five self inspection measuring points,and the results are as follows:the five measured values of temperature are-2.5℃,12.2℃,23.3℃,28.6℃and 33.4℃respectively,and the maximum error is 1.2%;the five measured values of humidity are 10.0%,20.0%,30.0%,40.0%and 50.0%,and the error is 0;the five measured values of rainfall are 0.2,0.3,0.4,0.5 and 1 mm respectively,and the error is 0;the five measured values of wind speed are 1.9,3.1,4.2,5.3 and 7.4 m/s respectively,and the maximum error is 4.5%,and the above measurement errors meet the requirements of meteorological observation specifications.The results show that the system can transmit the collected meteorological data to the upper layer for terminal processing,and realize the self-test function.When the equipment fault is found in the self-test,it will automatically alarm and remind,and push it to the business management personnel in real time,so as to shorten the fault response time,realize the intelligent control of the weather station,and improve the observation quality of the business data of the automatic weather station.
作者
田光普
Tian Guangpu(Ankang Meteorological Bureau,Ankang 725000,China)
出处
《电子测量技术》
北大核心
2021年第7期154-158,共5页
Electronic Measurement Technology
关键词
自动气象站
无线通信技术
原理
问题
措施
automatic weather station
wireless communication technology
principle
problems
measures
