果蔬粉含水率在线检测系统设计  

Design of moisture-content detecting system for the dried powders of the fruits and vegetables

作　　者：赵勇 武旭瑶 黄文英 胥慧丽 吴中华 ZHAO Yong;WU Xu-yao;HUANG Wen-ying;XU Hui-li;WU Zhong-hua(Department of Mechanical Engineering,Tianjin University of Science and Technology,Tianjin 300222,China;Tianjin Key Laboratory of Integrated Design and On-line Monitoring for Light Industry and Food Machinery and Equipment,Tianjin 300222,China)

机构地区：[1]天津市科技大学机械工程学院,天津300222 [2]天津市轻工与食品工程机械装备集成设计与在线监控重点实验室,天津300222

出　　处：《食品与机械》2021年第8期82-85,共4页Food and Machinery

基　　金：“十三五”国家重点研发子课题项目(编号:2017YFD0400904-4);天津市研究生科研创新项目资助(编号:2020YJSS061)。

摘　　要：目的:为满足低含水率果蔬粉在线检测需求。方法:基于微波透射原理,设计了一套果蔬粉含水率在线检测系统。系统分为进料模块、检测模块、卸料模块和控制显示模块,并进行相应硬件和软件设计。以胡萝卜粉为试验物料,由第三方检测机构进行含水率微波透射和国标法检测比较,以评价装置检测性能。结果:该装置检测每份样品的含水率耗时约7.33 s,准确度为98.2%,重复性为0.15%。结论:基于系统设计的装置能够实现低含水率果蔬粉的在线、连续检测。Objective:In order to meet the demand of low water-content fruit-vegetable powder online detection,a new detection system was established.Methods:Based on the microwave transmission principle,an online moisture detection system of fruit-vegetable powder was designed.The system was divided into a feed module,a detection module,a discharge module and control display module,and the corresponding hardware and software design.Carrot powders were used as the test material,and a third-party testing institution compared the two methods,including water-content microwave transmission and national standard testing,to evaluate the test performance of the device.Results:The moisture content of each sample was determined to be about 7.33 s by the new device,with an accuracy of 98.2%and repeatability of 0.15%.Conclusion:The system-based device can realize online and continuous detection of fruit-vegetable powder with low water content.

关 键 词：果蔬粉 微波透射 在线检测 装置开发 

分 类 号：TS255.35[轻工技术与工程—农产品加工及贮藏工程]