摘要
基于单片机实现传统温度检测技术的特点,提出了基于CAN总线的温室温度监测系统方案。以AT89C52单片机为核心,利用CAN总线技术和数字温度传感器DS18B20,组建了温室温度监测系统的节点及网络架构,给出了系统总体结构和关键的软件流程。该系统可实现对温室温度的实时监测,对异常情况进行报警,从而实现对温室温度的有效监测,具有结构简洁、实时性好、可靠性高的特点。
On the basis of microcontroller unit(MCU)realizing a traditional temperature measurement,the greenhouse temperature monitoring system based on CAN bus was proposed.Taking AT89C52 MCU as the core,CAN bus technology and digital temperature sensor DS18B20 were used to set up a node and network structure of the temperature measurement system for greenhouse,and the overall structure of the system and key software flow were given.The system can realize real-time detection of greenhouse temperature and can alert in unusual situation,so as to achieve effective monitoring of the greenhouse temperature.The system has advantages of a simple structure,good real-time performance and high reliability.
出处
《安徽农业科学》
CAS
北大核心
2010年第15期8204-8205,共2页
Journal of Anhui Agricultural Sciences
基金
黑龙江省重大科技攻关项目(GB06B601)
关键词
CAN总线
温度检测
监测系统
CAN bus
Temperature detection
Monitoring system