Alternating magnetic field real-time monitoring device based on four-axis aircraft

The invention discloses an alternating magnetic field real-time monitoring device based on a four-axis aircraft. The alternating magnetic field real-time monitoring device based on the four-axis aircraft comprises the four-axis aircraft, the four-axis aircraft comprises an aircraft main body, the aircraft main body is fixedly connected with four carbon fiber aircraft arms, a motor is fixed to the tail ends of the carbon fiber aircraft arms, and a propeller is installed on the motor; the aircraft main body is provided with a placing platform, the aircraft main body is internally provided with an aircraft body cavity, an undercarriage is installed on the lower portion of the aircraft main body, the lower portion of the aircraft main body is provided with a battery, a camera holder and a holder controller are installed in front of the battery, and the camera holder is controlled by a control system; the control system comprises an airborne control system and a ground control system, and the airborne control system comprises an airborne microcontroller, an attitude measuring unit and an application measuring unit; the ground control system comprises a manual control unit and an automatic driving control center. The flexibility is high, the measurement range is wide, remote control can be converted into ground station control, timely information feedback can be achieved, and the security and reliability of data are guaranteed.