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公开(公告)号：US20250168940A1
公开(公告)日：2025-05-22
申请号：US18897586
申请日：2024-09-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hongjoo KANG , Heejoon KANG , Eundae BAE , Myoungjin HAM
Abstract: An induction heating apparatus includes: a first heating portion including a single heating coil; a second heating portion including an inner heating coil and an outer heating coil; and a controller configured to control an operation of the first heating portion and an operation of the second heating portion. A maximum output frequency of an operation of the single heating coil is configured to be set higher than a maximum output frequency of a single operation of the inner heating coil of the second heating portion, and the maximum output frequency of the operation of the single heating coil is configured to be set lower than a maximum output frequency of simultaneous operations of the inner heating coil and the outer heating coil.
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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
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.
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Patent Agency Ranking
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
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.
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公开(公告)号：US20250159767A1
公开(公告)日：2025-05-15
申请号：US19025398
申请日：2025-01-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hongjoo KANG , Nokhaeng LEE , Jeawon LEE , Myoungjin HAM
Abstract: An induction heater including a heating coil; a rectifier circuit; a power factor correction (PFC) circuit; a direct current (DC) link capacitor; and an inverter circuit connected to the DC link capacitor, and apply a drive current to the heating coil. The PFC circuit includes: a first inductor and a second inductor connected to an output node of the rectifier circuit; a first diode connected to the first inductor and the DC link capacitor; a second diode connected to the second inductor and the DC link capacitor; a first switching element connected to the first inductor and a ground node; and a second switching element connected to the second inductor and the ground node.
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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
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.
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公开(公告)号：US20240064875A1
公开(公告)日：2024-02-22
申请号：US18214585
申请日：2023-06-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hongjoo KANG , Eundae BAE , Myoungjin HAM
CPC classification number: H05B6/062 , H05B6/1209 , H05B6/04
Abstract: Provided is an induction heating apparatus capable of satisfying a rated voltage without a circuit change, the induction heating apparatus including: a circuit configuration including a first node, a second node, a third node, and a fourth node, a power supply module having a first terminal and a second terminal, a first bypass part formed between the first terminal and the first node, a second bypass part formed between the first node and the second node, a third bypass part formed between the first node and the third node, a first switching element connected to the second node and the third node, a second switching element connected to the third node and the second terminal, and a heating coil connected between the third node and the fourth node.
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公开(公告)号：US20240064874A1
公开(公告)日：2024-02-22
申请号：US18210969
申请日：2023-06-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hongjoo KANG , Eundae BAE , Myoungjin HAM
CPC classification number: H05B6/062 , H05B1/0266 , H05B1/0202 , H05B6/1209
Abstract: An induction heating apparatus includes: a power supply module having a first terminal and a second terminal; an inductor connected between the first terminal and the first node; a first switching element connected between the first node and the second node; a first switching element connected between the first node and the second node; a first reverse-parallel diode connected to the first switching element; a second switching element connected between the first node and a ground node; a second reverse-parallel diode connected to the second switching element; a first diode having a cathode connected to the second node and an anode connected to the second terminal; a second diode having a cathode connected to the second terminal and an anode connected to the ground node; a first capacitor connected to the second node and the third node; a second capacitor connected to the third node and the ground node; a third capacitor connected to the second node and the ground node; and a heating coil connected between the first node and the third node.
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