Autonomous flight quadrotor drone road and bridge construction patrol system and method

The invention relates to an autonomous flight quadrotor drone road and bridge construction patrol system and method. The autonomous flight quadrotor drone road and bridge construction patrol system comprises an autonomous flight quadrotor drone and a processor. The autonomous flight quadrotor drone is provided with a flight controller, a flight controller main body is composed of the processor, a plurality of brushless motors, a Beidou module, a data radio station, a barometric altimeter, an AHRS module, an evading bonds sensor, an image transmission module and a camera. The processor is connected with the plurality of brushless motors, a power supply, a cradle head, the Beidou module, the data radio station, the barometric altimeter, the AHRS module, the evading bonds sensor and the image transmission module. The cradle head is connected with the camera. The AHRS module is an attitude heading reference system of the flight controller. A three-axis gyroscope, a triaxial accelerometer and a three-axis reluctance meter are arranged in the AHRS module. The Beidou module is in wireless connection with a satellite navigation system. The autonomous flight quadrotor drone road and bridge construction patrol system and method have the advantages that the operation is easy, the speed is fast, no dead angle exists, the efficiency is high, the monitoring range is wide and the risk and the cost are low.