Magnetic ring unit for mine winder explosion -proof frequency converter

The utility model relates to an electric drive field, a disclosed magnetic ring unit for mine winder explosion -proof frequency converter, include: copper bar (1.1), magnetic ring (1.4), prop the insulating left side board (1.2) in panel beating (1.3), insulation support (1.6), insulating right side board (1.5), it is fixed through insulation support (1.6) that three -phase copper bar (1.1) penetrate a plurality of groups magnetic ring (1.4) center for filter the high frequency harmonic, magnetic ring (1.4) are fixed through supporting panel beating (1.3), insulation support (1.6) constitute integrative magnetic ring unit through screw and insulating left side board (1.2), insulating right side board (1.5) fixed connection. The utility model discloses it is high that this magnetic ring unit can simply make up bigger magnetic ring unit commonality, satisfies different filtering requirements, simplifies assembly process greatly, improves production efficiency, compact structure is pleasing to the eye to can reg