Exciter safety protection device

The utility model relates to the technical field of exciters, in particular to a safety protection device of an exciter, which comprises a dustproof box used for being hermetically connected with an air inlet of the exciter and provided with a plurality of ventilation openings; according to the dustproof device, dust and impurities in cooling air are filtered through the filter elements, air around the exciter is isolated from external unfiltered air through the dustproof box, and meanwhile clean air is limited within a certain range; the phenomenon that the insulation strength of equipment is reduced due to the fact that dust enters the motor to be accumulated is effectively avoided, the service life of the equipment is prolonged, the maintenance cost of the equipment is reduced, the operation reliability of the exciter is improved, and the maintenance strength is reduced. 本实用新型涉及励磁机技术领域，一种励磁机安全防护装置，所述安全防护装置包括：防尘箱，所述防尘箱用于与励磁机进风口密封连接，所述防尘箱上设置有多个通风口；多个滤芯，多个滤芯与多个通风口对应密封连接，用于过滤进入通风口内的空气，该防尘装置，通过滤芯过滤冷却空气中的粉尘及杂质，通