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

IPC: H05B6/06 ,  H02M1/44 ,  H02M7/48 ,  H05B6/04 ,  H05B6/12

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.

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

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/44

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.

公开(公告)号：US20250031286A1

公开(公告)日：2025-01-23

申请号：US18906405

申请日：2024-10-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongjoo KANG ,  Eundae BAE ,  YoungHoon WOO

IPC: H05B6/12

Abstract: A cooking apparatus comprising a cooking plate; at least one coil assembly to generate a magnetic field; and a driving circuit to drive the at least one coil assembly. The at least one coil assembly includes a base; and a working coil supportable by the base. The working coil is formed of a wire. The wire is withdrawable toward the base.

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

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/04

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.

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

IPC: H05B6/06 ,  H05B1/02 ,  H05B6/12

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.