摘要
为适应气象现代化、智能化的发展需求,完善对不同下垫面地表温度的气象观测资料。设计了一种基于ZigBee通信应用软件Z-Stack协议栈的智能红外地表温度采集电路,该设计应用Z-Stack协议栈分层软件结构,协调调度软硬件在各层级之间的工作。设计将差分电压采集电路与单端电压采集电路相整合,通道0采用128倍增益差分测量目标温度,通道1单端1倍增益测量自身电阻值电压,用Stefan-Boltzmann方程修正传感器自身体温对目标温度的影响,使IRR-P红外传感器在-40℃~70℃可以获取较高的测量精度;并且能够实现对观测要素的数据采集、处理、存储等功能,设计测试结果表明:该设计能够实现对传感器信号的高精度采集与处理,提高了观测资料的准确性。
In order to adapt to the needs of the development of meteorological modernization and intelligence,and improve the meteorological observation data of surface temperature on different underlying surfaces,a design of temperature acquisition circuit of Z-Stack protocol stack of ZigBee communication software based on the intelligent infrared surface is designed.It applies the Z-Stack protocol stack hierarchical software structure,hardware and software at all levels of coordination between the work.The design of the differential voltage acquisition circuit with single ended voltage acquisition circuit integration,channel 0 by 128 times the gain differential measurement of target temperature,channel 1 single ended 1 times its resistance value of the voltage gain measurement,using the modified Stefan-Boltzmann equation of sensor temperature influence on the measurement accuracy of the target temperature,IRR-P infrared sensor in-40 ℃-70 ℃ can get a higher measure precision;moreover,it can realize the functions of data acquisition,processing and storage of observations and etc.The design of test results show that the design can achieve high precision acquisition and processing of sensor signals,and it can improve the accuracy of observation data.
出处
《成都信息工程大学学报》
2017年第5期474-478,共5页
Journal of Chengdu University of Information Technology
基金
国家重大科学仪器设备开发专项资助项目(2012YQ110205)
