基于单片机的温度监控系统毕业设计

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1、 I 基于单片机的温度监控系统 摘要：温度控制在各个行业运用广泛，在化工、冶金、医药、食品和实验室 等众多领域里都有涉及。温度的高低直接影响到产品的质量及使用寿命，因此在 实际应用中对温度都要求严格控制，对于温度的精确度和稳定性均有较高的要 求。随着控制理论和电子技术的发展，工业控制器的适应能力增强和高度智能化 正逐步成为现实。其中以单片机为核心对温度进行控制简单直接、精度高、控制 灵活、成本低。 本系统是以 AT89S52 单片机为主控制单元，并采用数字温度传感器 DS18B20 采集现场温度数据而设计的远程温度控制系统。该系统具有对监控对 象温度的实时采集并显示；按键设置上、下限温度值；超

2、出设定温度范围，自动 报警并能通过外部设备控制温度等功能。 该系统结构新颖， 电路简单， 控制方便。 关键词：单片机； DS18B20； 温度检测； 温度控制 II Temperature Monitoring System Based on Single-chip Microcomputer Abstract：Temperature control is used widely in industry and chemical, metallurgy, medicine, food and laboratory, many areas are involved. the temperatur

3、e of a direct impact on the quality of the product and service life, so in actual usage is strictly control the temperature required for the accuracy and stability are higher. the theory and electronic control of technology and industrial control of the ability to enhance and highly intelligent is g

4、radually becoming a reality. one of a monolithic integrated circuits to control the temperature a straightforward, high precision, flexibility and control the costs were low. This system is mainly controlled by at89s52 monolithic integrated circuits, and the temperature sensors ds18b20 the digital data collected from the design of a remote control system. the temperature of the system for monitoring the object of the collection and display the temperature of the real-time ； button sets the min