公开(公告)号：US20230380024A1

公开(公告)日：2023-11-23

申请号：US18123067

申请日：2023-03-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjoo KANG ,  Jungju KIM ,  Younghoon WOO ,  Jiwoong CHOI ,  Myoungjin HAM

IPC: H05B6/36 ,  H05B6/06

CPC classification number: H05B6/36 ,  H05B6/065 ,  H05B2213/03 ,  H05B2213/05

Abstract: An induction heating apparatus includes a plate on which a cookware is placed, a plurality of working coils disposed below the plate, a plurality of coil bases on which the plurality of working coils is disposed, and a cookware sensor. The plurality of coil bases are coupled to each other, and the cookware sensor is disposed between the plurality of working coils. A controller is configured to detect the presence or absence of the cookware on the plate based on a resonance signal generated by at least one of the plurality of working coils or the cookware sensor, and is configured to select a heating coil to be used for heating the cookware among the plurality of working coils.

公开(公告)号：US20250098038A1

公开(公告)日：2025-03-20

申请号：US18962579

申请日：2024-11-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younghoon WOO ,  Kyounghwan KIM ,  Kyunghoon JUNG ,  Jonghun HA

IPC: H05B6/06 ,  H05B6/12

Abstract: An induction heating apparatus with patterned heating coils includes a heating coil board including a vessel sensing coil configured to detect a cooking vessel, a plurality of heating coil pattern layers in which heating coils are printed and patterned, and at least two pre-impregnated material (prepreg) insulation layers positioned between two adjacent heating coil pattern layers to insulate and bond the plurality of heating coil pattern layers.

公开(公告)号：US20240171087A1

公开(公告)日：2024-05-23

申请号：US18420644

申请日：2024-01-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myoungjin HAM ,  Jiwoong CHOI ,  Heejoon KANG ,  Byunghwan KO ,  Younghoon WOO

IPC: H02M7/217 ,  F24C7/08 ,  H05B6/06 ,  H05B6/12

CPC classification number: H02M7/2176 ,  F24C7/087 ,  H05B6/062 ,  H05B6/1236 ,  H05B2213/07

Abstract: A heating device including a high-power heating area is disclosed. In detail, the heating device includes a switch and a controller, wherein the switch is configured to connect an alternating current (AC) power source to a rectifying portion in order to provide AC power of different power phases to a plurality of rectifiers for a high-power heating area when high power is provided through the high-power heating area of the heating device and in order to provide AC power of only one AC power phase from among the different power phases to the plurality of rectifiers for the high-power heating area when low power is provided through the high-power heating area, and the controller is configured to control a switching operation of the switch according to a power level of the heating device.

公开(公告)号：US20250081298A1

公开(公告)日：2025-03-06

申请号：US18882319

申请日：2024-09-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Younghoon WOO ,  Kyounghwan KIM ,  Kyunghoon JUNG ,  Jonghun HA

IPC: H05B6/12

Abstract: An induction heating device including a vessel detection coil layer that is patterned with a plurality of vessel detection coils printed thereon to detect a cooking vessel placed on the induction heating device; a plurality of heating coil pattern layers that are patterned with heating coils printed thereon; and an insulating layer between the plurality of heating coil pattern layers and the vessel detection coil layer, to insulate the plurality of heating coil pattern layers from the vessel detection coil layer, wherein the vessel detection coil layer, the plurality of heating coil pattern layers, and the insulating layer are in a stacked, hot-pressed heating coil board in which a thickness of the insulating layer is 140 μm or less.

公开(公告)号：US20240318825A1

公开(公告)日：2024-09-26

申请号：US18734501

申请日：2024-06-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byunghwan KO ,  Jiwoong CHOI ,  Heejoon KANG ,  Younghoon WOO ,  Myoungjin HAM

IPC: F24C7/08 ,  F24C15/10

CPC classification number: F24C7/083 ,  F24C7/087 ,  F24C15/106

Abstract: Provided is a cooking device capable of simultaneously controlling a plurality of power units without noise. In particular, provided is a cooking device for determining one operating frequency, based on operating frequencies of the plurality of power units overlapped on a location where a container is placed, and controlling an operation of a power unit by using the determined operating frequency.

公开(公告)号：US20230380021A1

公开(公告)日：2023-11-23

申请号：US18122785

申请日：2023-03-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjoo KANG ,  Byoungmo SUNG ,  Younghoon WOO ,  Jiwoong CHOI

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/36

CPC classification number: H05B6/062 ,  H05B6/1209 ,  H05B6/362

Abstract: Provided is an induction heating apparatus including a working coil, a main power supply circuit configured to supply the working coil with a main power for heating, a coil driver operating as a container detection circuit configured to detect the container on the working coil or as a heating circuit configured to heat the container on the working coil, and at least one processor configured to control the coil driver.