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基于Labview的温度检测报警系统
引用本文:张小燕,樊利军.基于Labview的温度检测报警系统[J].北京工业职业技术学院学报,2012,11(1):47-50.
作者姓名:张小燕  樊利军
作者单位:北京工业职业技术学院信息工程系,北京,100042;北京工业职业技术学院信息工程系,北京,100042
摘    要:针对Pt100电阻和温度的非线性关系在温度测量任务中存在的问题,在Labview平台上,假设其在一定温度范围内近似为线性关系,对温度进行循环采集,实现温度实时显示、越限报警及数据分析,并将测量结果与LM35集成温度传感器测量结果相比较,结果表明:Pt100电阻和温度的关系在一定温度范围内可近似为线性关系,且在温度精度要求不高的前提下,可以利用其线性进行温度测量。

关 键 词:虚拟仪器  温度传感器  温度检测  温度报警

Temperature Detection and Alarm System Based on Labview
Zhang Xiaoyan Fan Lijun.Temperature Detection and Alarm System Based on Labview[J].Journal of beijing vocational & technical institute of industry,2012,11(1):47-50.
Authors:Zhang Xiaoyan Fan Lijun
Institution:Zhang Xiaoyan Fan Lijun(Department of Information Engineering,Beijing Polytechnic College,Beijing 100042,China)
Abstract:In the light of the problem in the really task of the nonlinear relationship between the resistance and temperature of the Pt100,in the Labview platform,supposing the relation of which is approximately linear in a certain temperature range,the temperature is collected circularly,real-time displayed and alarmed,and the data is analyzed and compared with that of LM35.The results show that the relation of the resistance and temperature of Pt100 is linear approximately in a certain range,and on the premise that the precision is not highly required,Pt100 may be used to measure temperature with the hypothesis of the linear relationship.
Keywords:virtual instrument  temperature sensor  temperature detection  temperature alarm
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