基于VC++的钻孔深度测量仪及数据采集软件设计

摘要

该文提出了煤矿井下瓦斯抽放孔深度测量方案,开展基于VC++的数据采集软件设计,重点讨论了前后时窗比法触发采集技术、多线程技术及反射信号自动检测技术等关键技术的实现方法.软件具有采集参数设置、采集波形显示及反射波自动检测等功能;界面友好,操作简单,交互方便,结果可靠,且升级维护方便.%In this paper, the depth measurement for gas drainage hole of coal mine is presented and design of data acquisition software based on VC++ is carried out, focusing on the implementation method of the key technologies, such as the front and rear window ratio method to trigger collection technology, multithreading technology and automatic detection technology of reflected signal.The software has the functions of collecting parameter setting, collecting waveform display and automatic detection of reflected wave.It is of friendly interface, simple operation, convenient interaction, reliable result and easy maintenance.