公开(公告)号：US20210345459A1

公开(公告)日：2021-11-04

申请号：US17261739

申请日：2019-06-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Changsun YUN ,  Hyunkwan LEE

IPC: H05B6/06 ,  H05B6/12 ,  H02M1/00

Abstract: Disclosed is an induction heating cooking apparatus. The induction heating cooking apparatus includes a countertop having plurality of cooking areas in which each cooking container can be seated, a plurality of coils provided under the countertop, a main substrate, and an auxiliary substrate separated from the main substrate. The main substrate is provided with a plurality of inverters each connected to a plurality of coils, a noise filter providing a plurality of inverters with a voltage from which noise from an external power supply is removed, and a plug connectable to the external power supply. The auxiliary substrate is provided with an input terminal to which the power line from the plug is connected, an output terminal to which the power line facing the noise filter is connected, and a discharge circuit part connected to the noise filter.

公开(公告)号：US20210352774A1

公开(公告)日：2021-11-11

申请号：US17284705

申请日：2019-10-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jiwoong CHOI ,  Namju PARK ,  Changsun YUN ,  Hyunkwan LEE

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/04 ,  H02M7/493 ,  H02M7/5387

Abstract: A control method for a cooking apparatus is disclosed. The disclosed control method for the cooking apparatus comprises the steps of: receiving an input of an output level for a heating coil; determining a plurality of driving frequencies for a driving power on the basis of the output level; generating a driving power alternately having the plurality of determined driving frequencies; and providing the generated driving power to the heating coil.

公开(公告)号：US20200323048A1

公开(公告)日：2020-10-08

申请号：US16838943

申请日：2020-04-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hong-Joo KANG ,  Changsun YUN ,  Hyunkwan LEE

IPC: H05B6/12 ,  H05B6/04 ,  H05B6/06

Abstract: An induction heating apparatus including a plurality of inverters configured with a plurality of types of switching topologies on a printed board assembly (PBA). The induction heating apparatus includes a cooking plate; a plurality of induction heating coils installed below the cooking plate and configured to generate a magnetic field; a plurality of driving circuits respectively connected to the plurality of induction heating coils and configured to supply a driving current to the corresponding induction heating coils; and a rectifier circuit configured to rectify AC power to supply the rectified AC power to the plurality of driving circuits. Each of the plurality of driving circuits may be connected in parallel to an output terminal of the rectifier circuit. The plurality of driving circuits may include at least one first driving circuit comprising one switching element and at least one second driving circuit comprising a plurality of the switching elements.