基于CAN总线的粮仓测温系统设计  

Design of Granary Temperature Measument System Based on CAN Bus and Its Application

作　　者：郭键[1] 周丽[1] 朱杰[1] 董萍萍[1] Guo Jian;Zhou Li;Zhu Jie;Dong Pingping(Information School,Beijing Wuzi University,Beijing 101149,China)

机构地区：[1]北京物资学院信息学院,北京101149

出　　处：《计算机测量与控制》2019年第1期26-31,共6页Computer Measurement &Control

基　　金：北京物资学院国家级科研项目培育基金项目(GJB20164004);北京物资学院青年运河学者资助项目;北京市智能物流系统协同创新中心项目

摘　　要：随着现代粮库规模的不断扩大,其测温系统既要求简化现场布线又要远距离传输数据,实现集中监控;为此设计了一种基于CAN总线和DS18B20传感器的粮库测温系统;文章介绍了该测温系统的软硬件设计方案,实现了粮库现场布线的简化和数据的远距离传输;实验证明,该系统很好的适应了粮库测温系统的需求,正负偏差在0.3以内,具有成本低、可靠性高等特点。With the continuous expansion of the scale of modern granary,its temperature measurement system requires not only to simplify the field wiring but also to transmit data in a long distance,so as to realize centralized monitoring.A kind of granary temperature measurement system based on CAN bus and DS18B20 sensor is designed.Using the characteristics of CAN bus and DS18B20,the simplification of field wiring and the long distance transmission of data are realized.The design of the software and hardware of the temperature measurement system is introduced in this paper,which realizes the simplification of the field wiring of the granary and the long distance transmission of the data.The experiment shows that the system is well adapted to the demand of the granary temperature measurement system,and has the characteristics of low cost and high reliability.

关 键 词：粮仓测温系统 CAN总线 DS18B20温度传感器 STM32F407 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]