SLIM MAGNETIC COUPLING DEVICE WITH STABLE WITHSTANDING VOLTAGE CHARACTERISTICS

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 inne...

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Bibliographic Details
Main Authors LEE, Jung Eun, BAE, Seok, KIM, Bi Yi
Format Patent
LanguageEnglish
French
German
Published 08.05.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary: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.
Bibliography:Application Number: EP20220833625