以危险作业场所的安全巡检为背景,从低成本、高效率出发,介绍了一种基于CAN总线的安全巡检系统的信息采集及处理,并就其软硬件设计作了比较详细的分析,最后指出其应用前景。 Based on the safety inspection of dangerous workplaces, this paper introduces a kind of information acquisition and processing of safety inspection system based on CAN bus from low cost and high efficiency, and makes a detailed analysis on its hardware and software design. Finally pointed out its application prospect.