Patent ID: 11942291
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A movement sensing device for a vacuum circuit breaker, wherein the vacuum circuit breaker includes a push rod assembly coupled to a movable electrode of a vacuum interrupter to raise up or lower down the movable electrode, wherein the movement sensing device comprises:
a sensor module spaced apart from the push rod assembly and facing toward one side of a rod housing; and
a sensing target disposed on one side of the push rod assembly and facing toward the sensor module, wherein the sensing target includes:
a slit body coupled along a longitudinal direction to one side of the rod housing;
a slit plate protruding outwardly along a longitudinal direction from an outer face of the slit body; and

a plurality of sensed slits passing through the slit plate.