1、 - 1 - 论文题目：基于MCS51的多路温度检测终端设计与实现 专 业：电子与信息工程 摘摘 要要 温度是工业生产过程中保证产品质量的重要可控参数。因此，在工农业生产和科学 研究中温度的检测与控制在现代经济与社会中越来越受到重视。传统的监测方法都是单 点测量，同时有温度传递不及时、精度不够的缺点，不利于工业控制者根据温度变化及 时做出决定，因此多路温度检测终端的设计成了一项重要的研究课题。 本文设计了一种基于单片机的具有多路采集通道的高精度的数字温度检测系统。 硬件上，CPU 采用 STC89C52 为主控芯片，配置 DS18B20 温度传感器作为信号采集装 置，利用 LCD1602 对四
2、路采集的温度信号进行显示。 软件上运用C语言的编程,用protues仿真和硬件电路的设计， 实现了实时温度检测， 并能够方便设置温度上下限，实现报警功能，另外还配备了单片机与 PC 机的通信功能。 文中，终了进行了测试与实验,实验达到了预期的结果。 【关键词关键词】温度测量；单总线；数字温度传感器；单片机 【论文类型论文类型】设计型 - 2 - TitleTitle：The Terminal design and implementation of multi-channel temperature detection based on MCS-51 Major：Electronic info
3、rmation engineering Name：Zhang Zexin Signature： Supervisor：Ni Yunfeng Signature： ABSTRACT During the industry production process, the temperature is the important parameter of ensuring the quality of the products. Therefore, the detection and control of temperature in industrial and agricultural pro
4、duction and scientific research have playing a more and more important role. Traditional monitoring methods are single point measurement, meanwhile the temperature transfer is not timely and accurate enough .These are not conducive to industrial control according to the temperature change in a timel
5、y decision. So it has become an important research topic in the design of multi-channel temperature detection terminal. This paper has designed a multi-channel acquisition channel digital high precision temperature detection system based on single chip microcomputer. On the aspect of hardware, the S
6、TC89c52 is used as the main control chip. It equipped with the DS18B20 temperature sensor, which acts as signal acquisition device. The temperature signal of four ways acquisitions are displayed by the LCD1602. On the aspect of software, C-programming language used by Protues simulation and hardware circuit design to achieve a real-time temperature detection. There is a ability to easily set the temperature limit, and the alarm function. Meanwhile it can also comm
