固态降水传感器现场核查装置技术研究  

Research on Solid-state Precipitation Sensor s Field Verification Device Technology

作　　者：赵建凯[1] 重阳 张平贵[1] ZHAO Jiankai;CHONG Yang;ZHANG Pinggui(Inner Mongolia Autonomous Region Atmospheric Detection Technology Support Center,Inner ongolia Autonomous Region,Hohhot 010100,China)

机构地区：[1]内蒙古自治区大气探测技术保障中心,呼和浩特010100

出　　处：《计算机测量与控制》2023年第7期305-312,共8页Computer Measurement &Control

基　　金：内蒙古自治区气象局科技创新项目基金(nmqxkjcx202327);内蒙古自治区大气探测技术保障中心科技项目基金(nmdqtckjcx202201)。

摘　　要：针对气象观测台站固态降水传感器现场核查及测试的实际需求,研制了现场核查装置,结合砝码法实现了固态降水传感器的现场核查和测试;现场核查装置由基于ZigBee无线网络的数据获取装置和加重装置构成,数据获取装置具备环境气压、温度、相对湿度的实时检测能力,具备RS232、RS485及通断信号方式3种固态降水传感器接口的数据读取能力;加重装置由三角支架、OPD降水模拟器及砝码托盘组成,其中降水模拟器采用阻挡原有OPD降水发生探测器红外光束,人为给定指定频率脉冲信号的方法实现了降水的模拟,能够兼容多种型号的固态降水传感器;经实验测试,固态降水传感器能够准确识别加入其中的砝码重量,数据获取装置的3种接口数据读取准确度均达到100%;降水量测量值与理论值相关系数为0.9999;表明现场核查装置能够应用于固态降水传感器现场核查及测试业务。Aimed at the actual needs of on-site verification and testing of solid state precipitation sensors at meteorological observation stations,an on-site verification device was developed,and the on-site verification and testing of the solid state precipitation sensors was realized by combining the weight method;The on-site verification device is composed of a data acquisition device and an weighting device based on the ZigBee wireless network.The data acquisition device has the real-time detection abilities of ambient air pressure,temperature,and relative humidity,and it has the data reading ability of three solid-state precipitation sensor interfaces of RS232,RS485,and on-off signal mode;The weighting device is composed of a triangular bracket,an optical path difference(OPD)precipitation simulator,and a weight tray.The precipitation simulator is used to block the infrared beam of original OPD precipitation generation detector,and a specified frequency pulse signal is artificially given to achieve the precipitation simulation,which is compatible with various types of solid-state precipitation sensors;Through experimental testing,the solid-state precipitation sensor can accurately identify the added weight,and the data reading accuracy of three interfaces of the data acquisition device reaches 100%;The correlation coefficient between the measured precipitation value and the theoretical value is 0.9999;The results show that the on-site verification device can be applied to the on-site verification and testing business of the solid-state precipitation sensors.

关 键 词：固态降水传感器 降水发生探测器 降水模拟器 砝码法 现场核查 ZIGBEE 

分 类 号：TN98[电子电信—信息与通信工程]