Review of Fault Diagnosis and Early Warning of Coal Mine Ventilator

The ventilator is one of the important safety equipment in the mine, the failure of the ventilator can bring serious accidents, and the diagnosis and early warning of the ventilator are of great significance. In this paper, the fault of several kinds of mine ventilator is discussed and analyzed, and the causes of the failure are analyzed from various angles, and the common consequences of the failure of the ventilator are summarized. On the basis of this, the history and development of the fault diagnosis and early warning of the ventilator are discussed, and the diagnosis and early warning methods of the ventilator are described, and the future development direction of ventilator fault and diagnosis and early warning is prospected.