智能型数字压力计的设计与在煤矿下的应用目录摘要..................................................................................................................................................2ABSTRACT.....................................................................................................................................3第一章绪论..................................................................................................................................51.1课题研究背景和意义.....................................................................................................51.2煤矿压力计的发展方向[5].............................................................................................61.3论文的主要工作............................................................................................................6第二章总体设计方案..................................................................................................................82.1煤矿数字压力计的主要功能............................................................................................82.2煤矿数字压力计的技术指标[6][7]....................................................................................82.3煤矿数字压力计的总体设计框图...................................................................................8第三章智能型数字压力计模块设计.........................................................................................103.1硬件电路概述................................................................................................................103.2微控芯片的简介[11][12][13]...............................................................................................103.3压力变送模块的设计.....................................................................................................123.3.1压阻式压力传感器的测量原理.........................................................................123.3.2小信号采集变换模块.........................................................................................133.3.3A/D采样模块......................................................................................................133.4红外采集模块的设计.....................................................................................................153.4.1红外发送模块的设计.........................................................................................153.4.2红外接收模块的设计.........................................................................................173.5其他相关电路的设计.....................................................................................................193.5.1低功耗电源电路设计.........................................................................................193.5.2压力显示模块设计.............................................................................................203.5.3数据存储模块设计.............................................................................................223.6本章小结........................................................................................................................28第四章上位机监控分析软件的设计.........................................................................................294.1软件开发软、硬件环境...............................................................
