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DS18B20在青藏铁路冻土路基温度场监测中的应用

Application of DS18B20 in the Frozen-Earth Roadbed Temperature Monitoring of the Tsinghai-Tibet Railroad

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【Author】 ZHANG Zhi-hua~(1,2,3,4),KONG Ling-cheng~(1,3),WANG Ya-xiong~(1,3) (1.Institute of Intelligent Machines of Chinese Academy of Sciences,Hefei 230031,China; 2.Department of Automation,University of Science and Technology of China,Hefei 230027,China; 3.The Key Laboratory of Biomimetic Sensing and Advanced Robot Technology,Hefei 230031,China; 4.Changzhou Institute of Mechatronics Engineering,Changzhou 213164,China)

【机构】中国科学院合肥智能机械研究所；中国科学技术大学自动化系；安徽省仿生感知与先进机器人技术重点实验室；常州机械电子工程研究所；

【摘要】为简化青藏铁路冻土路基温度场现有测温系统,将单总线数字温度传感器DS18820应用于冻土路基温度场监测系统中,对传感器处理电路及关键元件参数、防水防尘封装方法及温度数据采集算法等做了具体介绍及实验验证。本系统大大降低了整个系统的复杂度和成本。为青藏铁路冻土路基温度场监测提供了一种新的方法。更多还原

【Abstract】 To simplify the existing frozen-earth roadbed temperature monitoring system of Tsinghai-Tibet railroad,the l-wire digital temperature sensor DS18B20 is used in the frozen-earth roadbed temperature monitoring system of the Tsinghai-Tibet railroad.The conditioning circuit,some key component parameters,the waterproof and dustproof methods and a data collection algorithm are pres- ented in detail.Besides,several experiments are done to verify the design.The system has the features of simple circuit,low cost and small power loss,and provides a new way to the frozen-earth roadbed temperature monitoring.更多还原

【关键词】冻土路基；温度监测； DS18B20；单总线驱动电路；防水封装；
【Key words】 frozen-earth roadbed； temperature monitoring； DS18B20； 1-wire bus driving circuit； waterproof encapsulation；

【基金】安徽省自然科学基金资助项目“青藏铁路冻土区监测的无线传感器网络节点研究”(070412037)

【文献出处】测控技术 ,Measurement & Control Technology , 编辑部邮箱 ,2008年12期

【分类号】TP274
【被引频次】7
【下载频次】199

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