粉粒农业物料水分测量方法探讨  

Discussion on methods of measuring moisture of granular agricultural materials

作　　者：张梦珠[1] 杨艳[1] 戈振扬[1] 

机构地区：[1]昆明理工大学现代农业工程学院,云南昆明650224

出　　处：《中国测试》2011年第3期18-22,共5页China Measurement & Test

摘　　要：综述国内外物料水分测量的研究,系统地比较研究了物料水分的测量方法及其原理,分析并介绍了粉粒农业物料的水分特性和测量方法,对常用的粉粒农业物料水分测量方法(中子测定法、红外线测定法、电导测定法和电容测定法)进行了评述。通过比较,提出了基于电容湿度传感器的粉粒农业物料的自动化水分测量系统的研发要求及应用前景。The research on measuring moisture of materials was reviewed in this paper.The measuring methods and principle of materials moisture content were systematically compared and studied.The moisture features of granular agricultural materials were analyzed and the methods of measuring moisture of granular agricultural materials were introduced.Especially,the primary methods such as neutron method,infrared method,conductivity method and capacitance method were emphasized.The research development and application prospect of automatic moisture measruement system of granular agricultural materials,based on capacitive humidity sensor,were put forward by comparison.

关 键 词：农业物料 含水量 湿度传感器 在线测量 相对介电常数 

分 类 号：TS235.1[轻工技术与工程—粮食、油脂及植物蛋白工程] TP212.1[轻工技术与工程—食品科学与工程]