Early detection system and monitoring method for wind turbine cabin fire

Abstract

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.

Description

technical field [0001] The invention relates to an automatic fire protection system in the technical field of wind power generator safety, in particular to an early fire monitoring system and a monitoring method for a wind turbine cabin. Background technique [0002] In the modern wind turbine cabin, generators, control cabinets, switch cabinets, frequency conversion cabinets, gearboxes, hydraulic systems, braking systems, etc. are placed. Various electrical equipment and combustible materials are densely placed in the cabin, and the risk of fire is high. In the event of a fire accident, the flame spreads rapidly, causing serious damage to the wind turbine or other important components, and even the entire wind turbine, resulting in major economic losses. Timely and accurate fire monitoring is the key to taking fire-fighting measures, and it is also the guarantee for the safe operation of wind farms. [0003] In order to solve the problem of early monitoring of wind turbine...

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that it only considers the change of smoke and temperature parameters in the nacelle, but does not consider the change of the state parameters of the wind turbine nacelle itself, and the alarm is unreliable; this method lacks detection means for oil fires that are more likely to occur in the wind turbine nacelle ; This early warning method does not consider the environmental factors of the wind turbine cabin. In the environment of high-speed air flow and fast movement, the weak smoke generated at the beginning of the fire is easily carried out of the cabin by the high-speed air flow. In real fire conditions, the system is very easy to miss. occur

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