| 简易数字化温度测量仪的设计与实现 |
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| 引用本文： | 杨恒新,鲁翠侠. 简易数字化温度测量仪的设计与实现[J]. 电子工程师, 2007, 33(9): 18-20,52 |
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| 作者姓名： | 杨恒新 鲁翠侠 |
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| 作者单位： | 1. 南京邮电大学光电工程学院,江苏省南京市,210003
2. 南京鹏力科技有限公司,江苏省南京市,210003 |
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| 摘 要： | 介绍了一种简易数字化温度测量仪的实现方法,测量结果以数字化形式在半导体数码管上显示,也可通过串口上传至PC机显示。该测量仪由集成温度传感器LM35DZ、ADC0804LCN转换器、RS-232驱动器MAX232CPE与SST 89E54RD单片机等组成,给出了系统硬件原理方框图,介绍了各电路模块的设计过程。测试结果表明,该仪表性能稳定,测量精度高,使用简便。
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| 关 键 词： | 温度测量 温度传感器 单片机 串口 |
| 修稿时间： | 2007-01-302007-03-20 |
Design and Realization of Simple Digital Temperature Measuring Instrument |
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| YANG Hengxin,LU Cuixia. Design and Realization of Simple Digital Temperature Measuring Instrument[J]. Electronic Engineer, 2007, 33(9): 18-20,52 |
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| Authors: | YANG Hengxin LU Cuixia |
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| Affiliation: | 1. Optic-electronic Engineering Institute, Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2. Nanjing PRIDe Technology Co Ltd, Nanjing 210003, China |
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| Abstract: | This paper introduces a design way of simple digital temperature measuring instrument,the value of temperature is displayed on LED at digital mode,and it also can be transmitted to PC with serial communication port then displayed on CRT.The instrument is combined with components such as integration temperature sensor LM35DZ,ADC0804LCN convertor,RS232 driver MAX232CPE and SST 89E54RD MCU etc.The system's hardware diagram is given and the design of circuit module is presented in detail also.The testing result indicates that this instrument is provided with characteristics as follows: steady performance,high precision and easy use. |
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| Keywords: | temperature measuring temperature sensor MCU serial communication port |
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