基于红外测湿传感器的湿度检定箱设计  

Design of humidity calibration chamber based on infrared humidity sensor

作　　者：许超 杜智涛 韩桂梅 王洋 张双羽 范雪波 王华英 Xu Chao;Du Zhitao;Han Guimei;Wang Yang;Zhang Shuangyu;Fan Xuebo;Wang Huaying(Beijing Great Smart New Technology Co.,Ltd,Beijing 100081;No.61540 Unit of PLA,Beijing 100029;Beijing Wisdom Technology Co.,Ltd,Beijing 100081;Beijing Meteorological Observation Center,Beijing 100089;Beijing Miyun District Meteorological Bureau,Beijing 101500)

机构地区：[1]北京市国瑞智新技术有限公司,北京100081 [2]61540部队,北京100029 [3]北京威世德科技有限公司,北京100081 [4]北京市气象探测中心,北京100089 [5]北京市密云区气象局,北京101500

出　　处：《气象水文海洋仪器》2021年第1期69-71,共3页Meteorological,Hydrological and Marine Instruments

摘　　要：文章介绍了一种新型湿度检定箱,其温度控制采用高效气液换热,湿度控制采用干湿气混合法反馈控制原理,湿度测量采用红外激光吸收式湿度传感器。通过实验测试,新型湿度检定箱的温度、湿度均匀度和波动度都优于目前计量测试部门使用的所有湿度检定箱,且测试室容积大,可对毛发湿度表(计)、干湿表等大型测试仪表和湿度传感器等进行检定测试,还可同时进行温度校准,具有很好地推广应用价值。A new humidity calibration chamber is introduced in this paper.The temperature control adopts high efficiency gas-liquid heat transfer,and the humidity control adopts the feedback control principle of dry-wet gas mixing method,and the humidity measurement adopts infrared laser absorption humidity sensor.Through experimental tests,the temperature,humidity uniformity and fluctuation of new humidity calibration chamber are superior to all humidity calibration chambers used by current measurement and testing departments,and the test room has a large volume,which can test large-scale test instruments such as hair humidity meter,dry-wet meter and humidity sensor.At the same time,it can also be used for temperature calibration,which has a good value of popularization and application.

关 键 词：红外激光吸收式湿度传感器 气液换热 干湿气混合法反馈控制 湿度检定箱 

分 类 号：P415.1[天文地球—大气科学及气象学]