毕业设计基于80c52单片机的数字电加热恒温控制系统设计论文.docVIP

基于80C52单片机的电加热数字恒温控制系统设计Design of Digital Constant Temperature Control System for Electric Heating based on 80C52 MCU 学 院：电气工程学院 专 业 班 级：自动化1104班 学 号：110302415 学 生 姓 名：刘东洋 指 导 教 师：关新 （副教授） 2015年6月 摘 要 温度对日常的生活影响极大且无时不在，实现对温度的控制对生活乃至生产发展都具有重要的意义。很多生产领域中都需大量的加热设备来进行生产，如用加热炉来实现热处理，用坩锅电阻炉来融化金属及具有不同用途的温度控制箱等。用单片机对不同温度控制箱进行控制在很大程度上为设备控制带来了方便、使用简单、控制灵活等特点，同时还可以最大限度地提高温度参数的精确程度，保证了生产的稳步进行，增加了生产的效率。因此，智能化温度控制技术的研究有较大的研究意义。 本智能化温度控制系统的设计采用资料较多的80C52微型控制器，配以DS18B20数字温度传感器及nRF401芯片利用微功率短距离无线通信技术进行远程温度控制，该系统能够在25米以内远程控制温度。单片机利用检测到的数字温度信号与设定的温度上、下限值进行对比，由对比结果输出是否运行半导体制冷器指令以控制设备。 本设计添加了普通的数码管来显示温度值及LED灯来显示常用电路的工作状况，增加了系统的灵活性和完整性。 关键词：温度箱；80C52；单片机；控制；模拟 Abstract The temperature has great influence on daily life and has no time, and it has important significance for the control of the temperature to control the life and the development of production.. In the field of production are subject to a lot of heating equipment to produce, such as heating furnace to realize heat treatment, crucible resistance furnace to molten metal and with different uses of the temperature control box. With the chip on the different temperature control box control in a great extent for the equipment control brought convenient, easy to use, flexible to control, at the same time, it can maximally improve the accurate degree of parameters such as temperature, ensure production steadily, increase the production efficiency. Therefore, the research of the intelligent temperature control technology has the significance of the research. The intelligent temperature control system design using a lot of materials AT80C52 micro controller and with DS18B20 digital temperature sensor and nRF401 chip with micro power short distance wireless communication technology for remote temperature control, the system can in 25 meters remote control asked. Single chip microcomputer is used to detect the digital temperature signal and set the temper