Drilling depth detection device based on electromagnetic wave

The utility model relates to a drilling depth detection device based on electromagnetic wave, the device comprises with being used for sending the electromagnetic wave and accepting reflection electromagnetic probe measurement unit, this measurement unit includes: data processor, data processor connect the electromagnetic wave driver, and the electromagnetic wave driver is connected the probe, data processor still includes the data output interface, the probe is used for installing the drilling rod tail end to the rig. The utility model discloses a relatively the probe is launched signal and received signal's time difference, and then calculation reachs drilling depth. The device simplifies the structure of device greatly and constructs on the basis of guaranteeing measurement accuracy, has stronger commonality in addition. 本实用新型涉及一种基于电磁波的钻孔深度检测装置，该装置由测量主机和用于发送电磁波和接受反射电磁波的探头组成；该测量主机包括：数据处理器，数据处理器连接电磁波驱动器，电磁波驱动器连接所述探头，数据处理器还包括数据输出接口；探头用于安装至钻机的钻杆尾端。本实用新型通过比较探头发射信号与接收信号的时间差，进而计算得出钻孔深度。该装置在保证测量精度的基础上，大大简化装置的结构构造，