| 高精度低功耗液晶显示湿度变送器 |
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| 引用本文： | 李国洪,孙晓伟.高精度低功耗液晶显示湿度变送器[J].仪表技术与传感器,2012(4):23-24,27. |
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| 作者姓名： | 李国洪 孙晓伟 |
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| 作者单位： | 天津理工大学天津市复杂系统控制理论及应用重点实验室,天津,300384 |
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| 摘 要： | 针对工业现场的恶劣环境,湿度变送器的设计需考虑温度实时补偿以减小误差提高精度。采用低功耗芯片对采集信号进行运算与处理,信号处理后送两路完成数据实时显示与信号远传功能。程序采用模块化设计便于调试与修改,最后将成品置于常温环境下加湿进行测量,验证了其高可靠性、稳定性与精确度。
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| 关 键 词： | 湿度变送器 温度补偿 低功耗 高精度 |
High-precision Low-power Consumption LCD Humidity Transmitters |
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| LI Guo-hong
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SUN Xiao-wei.High-precision Low-power Consumption LCD Humidity Transmitters[J].Instrument Technique and Sensor,2012(4):23-24,27. |
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| Authors: | LI Guo-hong SUN Xiao-wei |
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| Affiliation: | (Tianjin Complex System Control Theory and Application of Key Laboratories Tianjin University of Technology,Tianjin 300384,China) |
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| Abstract: | According to industrial site environments,to design humidity transmitters need to consider the real-time temperature compensation to minimize error.This paper used low-power consumption chip to collect operations of signal and processing,signal processing to complete the data real-time display and signal remote transmission function.The software design adopted modularization program design for easy debugging and modification.Finally the finished product was set in normal temperature environment for humidifying measurement,and its high reliability and stability and precision were verified. |
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| Keywords: | humidity transmitters temperature compensation low power consumption high precision |
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