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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
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.
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公开(公告)号：US20250119986A1
公开(公告)日：2025-04-10
申请号：US18934539
申请日：2024-11-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hongjoo KANG , Eundae BAE , Namju PARK , Jiwoong CHOI
Abstract: An induction heating device including a first burner; a first working coil for the first burner; a second burner; a second working coil for the second burner; an inverter including a plurality of switches, the plurality of switches being configured to perform switching so that a current flows through the first working coil and the second working coil; and a processor configured to control the switching by the plurality of switches so that the first working coil has a first operating frequency due to an inductance value of the first working coil and the current flowing through the first working coil, the second working coil has a second operating frequency due to an inductance value of the second working coil and the current flowing through the second working coil, and the first operating frequency differs from the second operating frequency by a predetermined frequency value or more.
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公开(公告)号：US20240215123A1
公开(公告)日：2024-06-27
申请号：US18215084
申请日：2023-06-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hongjoo KANG , Eundae Bae , Younghoon Woo , Jiwoong Choi , Myoungjin Ham
CPC classification number: H05B6/065 , H05B6/1272 , H05B6/44 , H05B2213/05
Abstract: An induction heating apparatus includes a plate including a plurality of cooking areas, a plurality of working coils arranged below the plate to correspond to the plurality of cooking areas, respectively, a plurality of coil switches connected to the plurality of working coils, respectively, a first inverter circuit connected to one end of a first coil switch and one end of a second coil switch among the plurality of coil switches, a second inverter circuit connected to one end of a third coil switch and one end of a fourth coil switch among the plurality of coil switches, and a branch switch connected to an other end of the second coil switch and to an other end of the third coil switch.
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4.发明公开公开(公告)号：US20240341013A1
公开(公告)日：2024-10-10
申请号：US18733336
申请日：2024-06-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dongwook KIM , Jaehee SHIN , Hongjoo KANG , Jiwoong CHOI , Kumchul HWANG
CPC classification number: H05B6/062 , H05B6/1209
Abstract: An electronic apparatus is provided. The electronic apparatus includes a user interface, a cooking plate on which a cooking vessel can be placed, an induction heating coil configured to induce a magnetic field on the cooking plate, a power supply circuit configured to supply power to the induction heating coil, memory storing one or more computer programs, and one or more processors communicatively coupled to the user interface, the cooking plate, the induction heating coil, and the power supply circuit, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors cause the electronic apparatus to control the power supply circuit based on a first target power for heating the cooking vessel, and control the power supply circuit based on a second target power corresponding to the first input power of the power supply circuit.
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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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Patent Agency Ranking
公开(公告)号：US20210127460A1
公开(公告)日：2021-04-29
申请号：US17079351
申请日：2020-10-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jiwoong CHOI , Hongjoo KANG , Namju PARK , Semin LEE , Taeho LEE
Abstract: A cooking apparatus is disclosed. The cooking apparatus includes a cooking plate including a plurality of heating areas, a plurality of induction coils in locations corresponding to each of the plurality of heating areas in the lower part of the cooking plate, a driver supplying currents to each of the plurality of induction coils, and a processor. The processor is configured to, based on a user instruction for turning on a second heating area among the plurality of heating areas being received while a first heating area among the plurality of heating areas is turned on, stop the supply of a current to a first induction coil corresponding to the first heating area among the plurality of induction coils during a threshold time.
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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：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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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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