| 多通道温-湿度循环监测仪 |
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| 引用本文： | 刘爱荣. 多通道温-湿度循环监测仪[J]. 河南科学, 2006, 24(6): 892-895 |
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| 作者姓名： | 刘爱荣 |
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| 作者单位： | 中州大学,信息工程学院,郑州,450015 |
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| 摘 要： | 选用DS18B20温度传感器,SHT11相对湿度传感器,研制成一种基于51系列的AT89C51单片机为核心的智能化湿-温度循环监测仪,具有功耗低、稳定性高等特点.可实现多通道温-湿度循环检测,采用I2C总线时钟芯片PCF8563和串行E2PR OM芯片24LC32,将所测数据时间存储,通过串行口与上位PC机配合.可实现温-湿度曲线恢复、供电方式的热切换、报警等诸多功能.
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| 关 键 词： | 温-湿度传感器 AT89C51 I~2C总线 低功耗 |
| 文章编号： | 1004-3918(2006)06-0892-04 |
| 收稿时间： | 2006-05-08 |
| 修稿时间： | 2006-05-08 |
A Multichannel Instrument on Temperature-Humidity Supervising and Measuring |
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| LIU Ai-rong. A Multichannel Instrument on Temperature-Humidity Supervising and Measuring[J]. Henan Science, 2006, 24(6): 892-895 |
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| Authors: | LIU Ai-rong |
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| Affiliation: | Information Engineering College of Zhongzhou University, Zhengzhou 450015, China |
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| Abstract: | A intelligent multichannel temperature-humidity monitoring instrument is based on AT89C51,temperature sensor DS18B20 and relative humidity(RH) sensor SHT11.The monitoring instrument has merits of low consumption and high stability.We use 24LC32(a serial E2PROM) and PCF8563(a clock chip) with I2C bus in the system.The measuring data is stored according the real time and is sent to upper computer across the serial port of the PC,so the temperature-humidity curve can be recovered smoothly.Many other functions are realized such as power supplies' hot switching as well as alarming,etc. |
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| Keywords: | AT89C51 |
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