基于STC89C52单片机的数字温度计.doc

基于STC89C52单片机的数字温度计 成员姓名： 邹远淳 徐冰 孙顺新 唐高峰 专业班级： 自动化2班 指导教师： 杨伟新 目录 摘要··················································P1 1绪论·················································P2 2系统组成及工作原理···································P3 2.1总体设计方案········································P3 2.2系统模块组成········································P3 3系统电路设计·········································P4 3.1 STC89C52单片机主控制器······························P4 3.2 LED数码管显示模块···································P5 3.3温度检测模块·········································P7 4系统软件设计·········································P8 5系统测试·············································P9 5.1主要指标测试·········································P9 5.2测试结果分析·········································P9 参考文献·················································P10 附录··················································P11  基于STC89C52单片机的数字温度 专业：自动化 成员姓名：邹远淳 徐冰 孙顺新 唐高峰 指导教师：杨伟新 摘 要 温度的检测是工业生产中比较典型的应用之一，随着传感器在生产和生活中的更加广泛的应用，利用新型数字温度传感器实现对温度的测试与控制得到更快的开发。本文设计了一种基于STC89C52单片机的温度检测系统，该系统将温度传感器DS18B20接在控制器的端口上，对温度进行采集，将采集到的温度值显示在LED数码管上。经实验测试表明，该系统设计和布线简单，结构紧凑，有可读性高，反应速度快，测量准确，抗干扰能力强，性价比高，扩展方便等优点，具有关阔的应用前景。 关键词 STC89C52，数字温度计，DS18B20 ABSTRACT Temperature detection is one of typical application in industrial production.As the sensor is more widely used in the production and life,Using new digital temperature sensor for temperature test and temperature control get faster developed.This paper designs a temperature detection based on STC89C52 single-chip microcomputer system.The system will be the temperature sensor DS18B20 connect to a port on the controller,collect temperature,collected temperature value will be displayed on the LED digital tube.Through experimental tests,the system design and wiring is simple,compact-sized,there are readable,quick response,accurate measurement,high EFT,high cost performance,convenient extension and other benefits