| 智能型二线制温度变送器 |
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| 引用本文： | 牟晓光,徐军,袁丽英,李宝林.智能型二线制温度变送器[J].哈尔滨商业大学学报(自然科学版),2004,20(4):472-476. |
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| 作者姓名： | 牟晓光 徐军 袁丽英 李宝林 |
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| 作者单位： | 哈尔滨理工大学计算机与控制学院 黑龙江哈尔滨150080
(牟晓光，徐军，袁丽英)，齐齐哈尔造纸有限公司 黑龙江齐齐哈尔161005(李宝林) |
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| 摘 要： | 介绍了一种基于Microchip的低功耗单片机PIC16F877新型智能二线制热电阻(Pt1000)温度变送器的电路设计.分析了系统设计的理论依据和软硬件实现方案,采用温度补偿算法使补偿后的精度等级达到0 1%FS.结果表明:该智能式变送器具有精度高、可靠性好、现场显示,生产调试方便等特点,是老式二线制温度变送器的理想替代产品,具有广泛的应用前景.
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| 关 键 词： | 低功耗单片机 二线制 智能式变送器 高精度 温度补偿算法 |
Study on intelligent two-wire temperature transducer |
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| MU Xiao-guang,XU Jun,YUAN Li-ying,LI Bao-Lin.Study on intelligent two-wire temperature transducer[J].Journal of Harbin University of Commerce :Natural Sciences Edition,2004,20(4):472-476. |
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| Authors: | MU Xiao-guang XU Jun YUAN Li-ying LI Bao-Lin |
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| Institution: | MU Xiao-guang~1,XU Jun~1,YUAN Li-ying~1,LI Bao-Lin~2 |
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| Abstract: | This paper has introduced new two-wire temperature transducer with heat resistors (Pt1000) based on low-power single chip processor PIC16F877 of Microchip . And also analysed the theory, software and hardware circuits of system . Using a software algorithm of temperature compensation in practical measurement, the precision degree can arrive 0.1%FS. This device has many advantages such as high accuracy, high reliability, field display, easy debugging and so on .So it is ideal product of replacement for old two-wire temperature transducer,with good prospect. |
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| Keywords: | low-power single chip processor two-wire intellectualized transducer: high precision algorithm of temperature compensation |
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