Mine main fan safety hazard monitoring and early warning system and method

The invention discloses a mine main fan safety hazard monitoring and early warning system and method. The monitoring and early warning system comprises a fan condition detecting device, a host monitoring machine and an early warning prompt device. The fan condition detecting device comprises a motor condition detecting device, a fan spindle condition detecting device, a wind speed detecting device, a wind pressure detecting device and a wind amount detecting device. The system has the advantages of simple installation, easy operation and good use effect. The monitoring and early warning method comprises the steps that real-time fan condition detecting is carried out, and detection information is synchronously uploaded; fan condition information is analyzed and processed, namely the fan condition information received at each analysis and processing moment is analyzed and processed; and when the fan condition information of any analysis and processing moment is analyzed and processed, synchronous fan condition information memory, troubleshooting, safety hazard diagnostic result output and early warning judgment are carried out, so that safety hazards of a mine main fan can be timely and accurately monitored, and early warning can be carried out according to a monitoring result.