SLIM MAGNETIC COUPLING DEVICE WITH STABLE WITHSTANDING VOLTAGE CHARACTERISTICS

Title:

SLIM MAGNETIC COUPLING DEVICE WITH STABLE WITHSTANDING VOLTAGE CHARACTERISTICS

Document Type and Number:

WIPO Patent Application WO/2023/277570

Kind Code:

A1

Abstract:

A magnetic coupling device according to an embodiment of the present invention comprises: a first bobbin including an upper surface, a lower surface facing the upper surface, and an outer surface disposed between the upper surface and the lower surface, a groove portion which is disposed on the inner side of the outer surface and is concave from the upper surface toward the lower surface, and a first terminal portion and a second terminal portion which are disposed on the outer surface and spaced apart from each other in a first direction; a second bobbin disposed on the groove portion and accommodating a magnetic substance core; and a first coil and a second coil which are wound on the second bobbin and spaced apart from each other in the first direction, wherein the first coil includes a first winding portion wound on the second bobbin, and a first extension portion extending from the first winding portion onto the outer surface of the first bobbin and coupled to the first terminal portion, and the second coil includes a second winding portion wound on the second bobbin, and a second extension portion extending from the second winding portion onto the outer surface of the first bobbin and coupled to the second terminal portion.

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Inventors:

LEE JUNG EUN (KR)
KIM BI YI (KR)
BAE SEOK (KR)

Application Number:

PCT/KR2022/009310

Publication Date:

January 05, 2023

Filing Date:

June 29, 2022

Export Citation:

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Assignee:

LG INNOTEK CO LTD (KR)

International Classes:

H01F27/32; H01F17/06; H01F27/26; H01F27/29

Foreign References:

JP2012164833A	2012-08-30
KR100731782B1	2007-06-22
JP2018107275A	2018-07-05
KR20120007212A	2012-01-20
KR101008198B1	2011-01-17

Attorney, Agent or Firm:

PARK, Byeong Suk (KR)

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