基于STC89C52单片机智能温度控制系统（硬件设计）.doc

XXXXXXXXX 毕 业 设 计 (论 文) XXXXXX 系（院） XXXXXXXX 专业 基于STC89C52单片机智能温度控制系统（硬件设计） Intelligent temperature control system (hardware) 学生姓名 XXXXX 班 级 XXXXXXXXXXX 学 号 XXXXXXX 指导教师 XXXXXX 完成日期 2013 年 5 月 8 日 摘 要 在现代的各种工业生产中 ,随着电子技术和微型计算机的迅速发展，微机测量和控制技术得到了迅速的发展和广泛的应用。传统的人工监测由于存在很大的的缺点正在逐渐被智能电子监测所取代。 本设计主要做了如下几方面的工作：一是确定系统的总体设计方案，包括其功能设计；设计原则；组成与工作原理；二是进行智能传感器的硬件电路设计；包括硬件电路构成及测量原理；温度传感器的选择；单片机的选择；输入输出通道设计；三是进行了调试和仿真，包括硬件仿真和软件仿真。 在此背景之下我们以专业知识为背景，进行智能温控系统的设计及实验。本以STC89C52单片机为主控制单元，以DS18B20为温度传感器的温度控制系统。 关键字：STC89C52单片机DS18B20 1602液晶 主控单元 Abstract In a variety of modern industrial production, with the rapid development of electronic technology and microcomputer microcomputer measurement and control technology has been rapid development and wide application. Traditional manual monitoring is gradually due to the presence of a lot of the shortcomings of intelligent electronic monitoring replaced. Designed primarily to do the work of the following aspects: First, determine the overall system design, including its functional design; design principles; composition and working principle; intelligent sensor hardware circuit design; including hardware circuit and measuring principle ; temperature sensor selection; microcontroller choice; design of the input and output channels; debugging and emulation, including hardware emulation and software simulation. In this context, our expertise and background, intelligent temperature control system design and experiments. This system is an automatic feedback control system. STC89C52 microcontroller-based control unit, temperature sensor DS18B20 temperature control system. Main modules: the main control unit module, the temperature detection module 1602 LCD module, the key input module, the buzzer alarm module, temperature control module. Key words: STC89C