Wind-power cabin fire hazard early-stage monitoring system and monitoring method thereof

The invention discloses a wind-power cabin fire hazard early-stage monitoring system and a monitoring method thereof. The monitoring system comprises a smoke detector, a flame detector, a cabin monitoring box and a fan operation state monitoring system which are arranged in a cabin, a tower bottom control box is arranged at the bottom of a tower barrel, a wind power plant safety protection monitoring host and an audible-visual alarm are arranged in a wind power plant monitoring room, the smoke detector and the flame detector are respectively connected with the cabin monitoring box which is connected with the tower bottom control box, and the tower bottom control box and the fan operation state monitoring system are respectively connected with the power plant safety protection monitoring host which is connected with the audible-visual alarm. According to the monitoring system and the monitoring method, on the basis that the fire disaster property and the environment property of a protected portion are analyzed, suspected factors which can induce outbreak of a fire are monitored at the same time in a real-time mode, output signals of the detectors and fan operation state information are analyzed comprehensively, judgement and alarm are achieved, various types of fire hazards in a wind-power cabin can be recognized timely and accurately, and good environment adaptability is achieved.