大棚温湿度采集控制系统摘 要本设计为基于单片机的温湿度检测控制系统，采纳模块化、层次化设计。用新型的智能温湿度传感器 DHT11，主要实现对温度、湿度的检测，将温度湿度信号通过传感器进行信号的采集并转换成数字信号，再运用单片机 STC89C52 进行数据的分析和处理，为显示提供信号，显示部分采纳字符型 LCD1602 液晶显示器显示所测温度和湿度值，控制部分采纳加湿设备、除湿设备、加温设备、降温设备控制温湿度的高低。本系统电路简单、集成度高、工作稳定、调试方便、检测精度高，具有一定的有用价值。关键词：温湿度；DHT11；单片机；STC89C52；检测 Greenhouse Temperature and Humidity Control System of CollectionABSTRACTThe design for the MCU-based temperature and humidity testing system, Using a modular, hierarchical design. The utility model intelligent temperature and humidity sensor DHT11, the main achievement of the temperature, humidity measurement, the temperature and humidity signals through the sensor signal acquisition and conversion into a digital signal, using MCU STC89C52 data analysis and processing, is provided for displaying signal, display part adopts the character LCD1602 LCD display the measured temperature and humidity value. This system has the advantages of simple circuit, high integration, stability, convenient adjustment, high detection precision, and has a certain practical value.Key words：The temperature and humidity；DHT11；MCU；STC89C52；detection目 录1 绪 论............................................................................................................................................11.1 选题背景...........................................................................................................................11.2 需求分析...........................................................................................................................12 总体设计......................................................................................
