Underground coal mine drilling audio electric perspective signal receiving antenna

The invention discloses an underground coal mine drilling audio electric perspective signal receiving antenna which comprises a receiving coil, a receiving control circuit and a voltage protection circuit. The receiving coil can receive voltage signals transmitted in the stratum, the receiving control circuit transmits the received voltage signals and controls the receiving antenna to receive signals of different frequencies in real time, and the voltage protection circuit protects the receiving control circuit to stably operate within an allowable voltage range. According to the invention, the efficiency of underground coal mine drilling audio electric perspective exploration can be greatly improved; and different frequencies are received by adopting a specific circuit, so that the construction efficiency of underground multi-frequency detection is greatly improved. 本发明公开了一种煤矿井下钻孔音频电透视信号接收天线，包括接收线圈、接收控制电路和电压保护电路；接收线圈能接收地层中传播的电压信号，接收控制电路传输接收到的电压信号并实时控制接收天线进行不同频率信号的接收，电压保护电路保护接收控制电路在允许电压范围内稳定运行。本发明能使煤矿井下钻孔音频电透