基于单片机的农业大棚多点温度监测系统设计

【目的】对现代农业大棚室内温度进行实时监测,为农作物提供最优的生长环境。【方法】设计了一种基于单片机、DS18B20数字温度传感器、串口通信的多点无线温度监测系统。该系统以STC89C52单片机为核心处理器,以LCD1602为下位机显示模块,通过温度传感器定时采集并发送节点温度数据,利用循环方式解析接收数据,将数据发送给无线传输模块,与上位机端实现数据交互。同时,基于51单片机,对多点温度监测系统进行了可靠性与可行性验证。【结果】报警显示状态与预期设置一致,上位机接收数据与下位机监测数据一致,验证了系统的可行性与可靠性。【结论】该系统能实现多点温度监测、阈值报警、无线传输等功能,可对大棚运行状态进行实时监测与分析,提高大棚管理效率,具有一定的实际应用价值。

[Objective]Real time monitoring of indoor temperature in modern agricultural greenhouses to provide the optimal growth environment for crops.[Method]A single chip microcomputer based approach was designed DS18B20 digital temperature sensor,multi-point wireless temperature monitoring system with serial communication.The system uses the STC89C52 single chip microcomputer as the core processor,LCD1602 is a lower computer display module that collects and sends node temperature data through temperature sensors at regular intervals.The data is analyzed and received in a cyclic manner,and sent to the wireless transmission module for data exchange with the upper computer.Meanwhile,based on the 51 single chip microcomputer,the reliability and feasibility of the multi-point temperature monitoring system were verified.[Result]The alarm display status is consistent with the expected setting,and the data received by the upper computer is consistent with the monitoring data of the lower computer,verifying the feasibility and reliability of the system.[Conclusion]The system can achieve functions such as multi-point temperature monitoring,threshold alarm,wireless transmission,etc.It can monitor and analyze the real-time operation status of greenhouses,improve the efficiency of greenhouse management,and has certain practical application value.