1、电子信息工程系毕业论文 毕 业 论 文毕 业 论 文 课题：课题：基于基于 AT89C51AT89C51 温湿度的设温湿度的设 计与仿真计与仿真 专专 业业 学 生 姓 名学 生 姓 名 班班 级级 学学 号号 指 导 教 师指 导 教 师 完 成 日 期完 成 日 期 - I - 摘摘 要要 温湿度监控这一的领域发展的很快。 由于单片机控制的测温测湿系统具有体 积小、功能强、集成度高、可靠性高、抗干扰能力等优于一般 CPU 的优点,所以 越来越多的应用到温室控制。 本文设计了一种基于单片机的温湿度监控系统进行 测量， 实现温室内温湿度的精确监测。 本系统采用多个数字温湿度传感器ds18b20
2、 来测量室内的温湿度,简化了系统硬件设计,提高了测量精度。基于单片机 AT89C51 的电路，结构简洁，大大节省了 I/O 口资源，并且具有现场独立显示的 功能。该系统性能可靠，结构简单，能实现对温室内温湿度的监测。 温室度一般应用于许多场合： 食品、电子生产车间、药房、冰箱、冷库、 库房、机房、实验室、工业暖通、图书馆、档案室、博物馆、孵房、温室大棚、 烟草、粮库、医院等其他需要环境监测领域。如：温室温湿度监控、大棚温湿度 监控、烟温湿度监控、医院温湿度监控、粮库温湿度监测、粮站温湿度监测。 Abstract Temperature and humidity monitoring the d
3、evelopment of this area soon. Temperature Controlled by measuring the wet system is small, powerful, high integration, high reliability, anti-jamming ability than the general advantage of CPU, so more and more applications to the greenhouse control. This paper designed a microcontroller-based monito
4、ring system to measure temperature and humidity to achieve the precise temperature and humidity inside the greenhouse to monitor. The system uses multiple digital temperature and humidity sensors to measure ds18b20 indoor temperature and humidity, simplify system hardware design, to improve the meas
5、urement accuracy. AT89C51 microcontroller-based circuit structure is simple, saving the I / O port resources, and have on-site independent display function. The system is reliable, simple structure, to achieve the greenhouse temperature and humidity monitoring.Generally used in many occasions greenh
6、ouse degree: food, electronics workshop, a pharmacy, refrigerator, cold storage, warehouse, computer room, laboratory, industrial HVAC, libraries, archives, museums, incubation room, greenhouse, tobacco, grain storage, hospitals and other needs of environmental monitoring. Such as: Temperature and humidity control, greenhouse temperature and humidity controls, smoke temperat
