公开(公告)号：US20240355567A1

公开(公告)日：2024-10-24

申请号：US18682364

申请日：2022-11-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK ,  Young Jun SON

IPC: H01H50/60 ,  H01H9/44 ,  H01H50/38

CPC classification number: H01H50/60 ,  H01H9/443 ,  H01H50/38

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

公开(公告)号：US20240297007A1

公开(公告)日：2024-09-05

申请号：US18578579

申请日：2022-11-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK ,  Young Jun SON

IPC: H01H50/38 ,  H01H50/54

CPC classification number: H01H50/38 ,  H01H50/54

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

公开(公告)号：US20240412933A1

公开(公告)日：2024-12-12

申请号：US18576299

申请日：2022-11-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK ,  Young Jun SON

IPC: H01H50/38

Abstract: The present invention discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

公开(公告)号：US20240371587A1

公开(公告)日：2024-11-07

申请号：US18682055

申请日：2022-10-17

Applicant: LS ELECTRIC CO., LTD.

Inventor： Jin Hee PARK ,  Ha Su KIM

IPC: H01H50/02 ,  H01H50/36 ,  H01H50/54

Abstract: An arc chamber and a direct current relay including the same are disclosed. The arc chamber may include a chamber space for accommodating a fixed contactor and a movable contactor that are electrically connected to an external power source or an external load; and a plurality of walls surrounding the chamber space from outside, wherein the plurality of walls include a first wall extending in one direction; a second wall extending in the other direction while forming a predetermined angle with the first wall from an end of the first wall; a third wall extending in the one direction while forming a predetermined angle with the second wall from an end of the second wall; and a fourth wall extending in the other direction while forming a predetermined angle with the third wall from an end of the third wall to the end of the first wall.

公开(公告)号：US20240363297A1

公开(公告)日：2024-10-31

申请号：US18291893

申请日：2022-10-17

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK

IPC: H01H33/72 ,  H01H33/02 ,  H01H33/53

CPC classification number: H01H33/72 ,  H01H33/025 ,  H01H33/53

Abstract: A sub contact part and a direct current (DC) relay including the same are disclosed. The sub contact part according to one aspect of the present disclosure may include a body part having spaces spaced apart from each other therein and; and a plurality of sub connectors each accommodated in the spaces of the body part and electrically connected to an external control power source and a core part, wherein the body part includes a plurality of legs each having the spaces spaced apart from each other therein and extending in one direction; and a bridge extending between the plurality of legs and coupled to each of the plurality of legs.

公开(公告)号：US20240339276A1

公开(公告)日：2024-10-10

申请号：US18682072

申请日：2022-11-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK ,  Young Jun SON

IPC: H01H50/38 ,  H01H9/44 ,  H01H50/54

CPC classification number: H01H50/38 ,  H01H9/443 ,  H01H50/546

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

公开(公告)号：US20240312745A1

公开(公告)日：2024-09-19

申请号：US18576954

申请日：2022-11-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK ,  Young Jun SON

IPC: H01H50/38 ,  H01H50/54

CPC classification number: H01H50/38 ,  H01H50/54

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.