2025 届本科生毕业设计 分类号:TP311.52题 目: 基于单片机的生产车间环境测试仪的设计作 者 姓 名: 陈遥 学 号: 2025103124 学 院: 机械与电子工程学院 专 业: 自动化 指导老师姓名: 张翠侠 陈秀萍 指导老师职称: 讲师 工程师 2025 年 5 月 9 日摘 要 本设计是利用单片机实现温度、湿度等生产环境的测量与控制。系统采纳集温湿度传感器与 A/D 转换器为一体的 SHT11 芯片,通过单片机处理进行显示,其它模块包括了实时时钟/日期产生电路和超限报警处理电路,对所测量的值进行实时显示和报警处理。本文介绍了基于 ATMEL 公司的 AT89C51 系列单片机的温湿度实时测量与控制系统和显示系统的设计,包括介绍了硬件结构原理,并分析了相应的软件的设计及其要点,包括测试精度高等众多的优点。关键词: AT89C51; SHT11; LCD; DS1302; 温湿度控制ABSTRACT This design is that using single chip microcomputer to realize the temperature and humidity measurement and control of the production environment.The system adopts SHT11 chip which set temperature and humidity sensor and A/D converter as a whole,and display through the single-chip processing.Other modules include real-time clock /date generation circuit and alarm circuit,and they are real time display and alarm processing the measured value.This paper introduces the design of temperature and humidity measurement and control system and display system that based on the AT89C51 Series MCU of ATMEL company.The paper introduces the hardware structure principle and analysis of the design and key points of corresponding software,including many advantages such as high accuracy in test.Key words: AT89C51; SHT11; LCD; DS1302; Temperature and humidity control目 录绪 论.....................................................................................................................................11 整体方案设计.............................................................................................................