有害气体的检测与抽排电路设计和机器人行走电路设计课程设计x.docx

目录有害气体的检测与抽排电路设计..................................6设计要求及意义......................................................6设计要求................................................................6设计意义................................................................6设计方案论证及选择..................................................6设计方案............................................................7设计系统模块图..........................................................7设计原理流程图..........................................................8设计原理图..............................................................9设计方案分析.......................................................10供电模块分析...........................................................10检测模块分析.......................................................10触发抽排模块分析.......................................................11报警模块分析.......................................................12所用芯片及原理说明.................................................12555定时器.............................................................13QM-N5气敏传感器.......................................................13继电器.................................................................14PCB封装............................................................15电路仿真...........................................................16原件列表...........................................................16机器人行走电路设计...........................................18设计要求及意义.....................................................18设计要求...............................................................18设计意义...............................................................18设计方案论证及选择.................................................18设计方案...........................................................19设计系统模块图.........................................................18设计原理流程图.........................................................19设计原理图.............................................................20设计方案分析.......................................................