Patent ID: 11915894
Assignee: LS ELECTRIC CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A direct current relay comprising a pair of fixed contacts and a movable contact moved vertically by an actuator to be brought into contact with or be separated from the pair of fixed contacts, comprising:
a mover support disposed below the movable contact and connected to the actuator by a shaft;
a mover holder disposed above the movable contact and fixed to the mover support;
an upper yoke and a lower yoke respectively disposed above and below the movable contact to generate an electromagnetic force; and
a contact pressure spring disposed between the lower yoke and the mover support,
wherein the upper yoke and the lower yoke form a magnetic circuit to offset an electromagnetic repulsive force generated between the fixed contacts and the movable contact, and
wherein the upper yoke, the mover holder, the movable contact, the lower yoke, and the mover support are sequentially arranged from top to bottom such that the upper yoke is arranged above the mover holder, which is arranged above the movable contact, which is arranged above the lower yoke, which is arranged above the mover support.