公开(公告)号：US20240258045A1

公开(公告)日：2024-08-01

申请号：US18291873

申请日：2022-10-25

Applicant: LS ELECTRIC CO., LTD.

Inventor： Kwanghyeon AHN ,  Hyunwook LEE

IPC: H01H9/30

CPC classification number: H01H9/30

Abstract: An arc elimination device is disclosed. The arc elimination device according to an aspect of the present disclosure, may comprise: a housing; an arc extinguishing part which is positioned inside the housing and provided with a high-voltage electrode and a ground electrode therein; an operating rod movable to electrify or non-electrify the high-voltage electrode and the ground electrode inside the arc extinguishing part; a steering handle coupled to one end of the operating rod to move the operating rod; a moving plate arranged between the arc extinguishing part and the steering handle to press and move the steering handle; an actuator for providing a driving force for moving the moving plate; and a power transmission unit for providing the driving force of the actuator to the moving plate to move the moving plate in a direction in which the moving plate presses the steering handle.

公开(公告)号：US20240079192A1

公开(公告)日：2024-03-07

申请号：US18272385

申请日：2022-01-13

Applicant: LS ELECTRIC CO., LTD.

Inventor： Kwanghyeon AHN ,  Hyunwook LEE

IPC: H01H33/668 ,  H01H33/664

CPC classification number: H01H33/668 ,  H01H33/6643 ,  H01H2239/06

Abstract: The present disclosure provides a vacuum circuit breaker which can measure and monitor temperature of a tulip contactor, the vacuum circuit breaker comprising: a conductive pole including a tulip contactor; and a temperature detecting sensor disposed adjacent to the tulip contactor, wherein the temperature detecting sensor comprises: a sensor body; a fixing band coupled to the sensor body and disposed to surround a part of the conductive pole; and a temperature measurement part which comes into contact with a specific point of the tulip contactor to measure the temperature of the specific point, wherein a sensor insertion hole for accommodating a part of the temperature measurement part is recessedly formed at one surface of the tulip contactor facing the sensor body.