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40 条记录 (耗时 0.025 秒)

    INDUCTION HEATING DEVICE HAVING IMPROVED CONTROL ALGORITHM AND CIRCUIT STRUCTURE
    21.
    发明公开
    INDUCTION HEATING DEVICE HAVING IMPROVED CONTROL ALGORITHM AND CIRCUIT STRUCTURE 审中-公开

    公开(公告)号：EP3570635A1

    公开(公告)日：2019-11-20

    申请号：EP18202569.2

    申请日：2018-10-25

    申请人： LG Electronics Inc.

    发明人： KWACK, Younghwan ,  SON, Seongho ,  YANG, Jaekyung ,  LEE, Yongsoo

    IPC分类号： H05B6/06

    摘要： The present disclosure relates to an induction heating device having an improved control algorithm and an improved circuit structure. In one embodiment of the present disclosure, an induction heating device includes: a first board having, thereon: a first working coil; a first inverter for performing a switching operation to apply a resonant current to the first working coil; and a first control unit configured for controlling an operation of the first inverter; and a second board having, thereon: a second working coil; a second inverter for performing a switching operation to apply a resonant current to the second working coil; and
    a second control unit configured for controlling an operation of the second inverter, wherein the first control unit is configured for enabling the first and second working coils to operate concurrently at an in-phase or 180-degrees out-of-phase.

    COOKING APPLIANCE
    22.
    发明公开
    COOKING APPLIANCE 审中-公开

    公开(公告)号：EP4462953A1

    公开(公告)日：2024-11-13

    申请号：EP24175231.0

    申请日：2024-05-10

    申请人： LG Electronics Inc.

    发明人： KWACK, Younghwan ,  SON, Seongho ,  JI, Jongseong

    IPC分类号： H05B6/12 ,  H05B6/06

    摘要： A cooking appliance is provided. A cooking appliance according to at least one of various embodiments of the present disclosure may include a top plate on which an object to be heated is placed, a plurality of working coils configured to heat the object to be heated, a plurality of inverters configured to apply current to at least one of the plurality of working coils, and a controller configured to perform control to heat the object to be heated through at least one heating area among a first heating area and a second heating area each formed by the plurality of working coils and a third heating area including a portion of the first heating area and a portion of the second heating area.

    INDUCTION HEATING TYPE COOKTOP WITH INCREASED HEATING STABILITY
    26.
    发明公开
    INDUCTION HEATING TYPE COOKTOP WITH INCREASED HEATING STABILITY 审中-公开

    公开(公告)号：EP3869911A1

    公开(公告)日：2021-08-25

    申请号：EP20197703.0

    申请日：2020-09-23

    申请人： LG Electronics Inc.

    发明人： KWACK, Younghwan ,  SON, Seongho ,  JEON, Seonho ,  JI, Jongseong ,  CHO, Chuhyoung

    IPC分类号： H05B6/06

    摘要： An induction heating type cooktop includes: an upper plate coupled to a top of a case, the upper plate being configured to support a target object, a working coil provided in the case and configured to heat the target object, a thin film disposed on at least one of a top of the upper plate or a bottom of the upper plate, a first temperature sensor configured to measure a temperature of the thin film, a second temperature sensor configured to measure a temperature of the upper plate, and a controller. The controller is configured to control the working coil to heat the target object based on a target output, and control an output of the working coil based on the measured temperature of the thin film and the measured temperature of the upper plate.

    INDUCTION HEATING TYPE COOKTOP FOR ENABLING HIGH TEMPERATURE DETECTION
    27.
    发明公开
    INDUCTION HEATING TYPE COOKTOP FOR ENABLING HIGH TEMPERATURE DETECTION 审中-公开

    公开(公告)号：EP3840529A1

    公开(公告)日：2021-06-23

    申请号：EP20179955.8

    申请日：2020-06-15

    申请人： LG Electronics Inc.

    发明人： JEON, Seonho ,  SON, Seongho ,  KWACK, Younghwan ,  CHO, Chuhyoung ,  JI, Jongseong

    IPC分类号： H05B6/06

    摘要： An induction heating type cooktop includes an upper plate coupled to a top side of a case and configured to place an object to be heated on a top of the upper plate, a working coil disposed inside the case to heat the object, a thin film disposed on at least one of a top surface or a bottom surface of the upper plate, an insulator disposed between the bottom surface of the upper plate and the working coil, and a temperature sensor configured to measure a temperature of at least one of the thin film or the upper plate by a plurality of thermocouples.

    INDUCTION HEAT COOKING APPARATUS AND OPERATING METHOD THEREOF
    29.
    发明公开
    INDUCTION HEAT COOKING APPARATUS AND OPERATING METHOD THEREOF 审中-公开

    公开(公告)号：EP3439429A1

    公开(公告)日：2019-02-06

    申请号：EP18187255.7

    申请日：2018-08-03

    申请人： LG Electronics Inc.

    发明人： SON, Seongho ,  KONG, Taewoong ,  KWACK, Younghwan ,  YANG, Jaekyung ,  LEE, Yongsoo ,  CHOI, Hyojin

    IPC分类号： H05B6/06

    摘要： Disclosed herein is an induction heat cooking apparatus including a power supply configured to supply an alternating current (AC) voltage, a rectifier configured to rectify the supplied AC voltage into a direct current (DC) voltage, first and second switching units configured to control switching such that the DC voltage from the rectifier is alternately applied to a working coil, a comparison unit configured to sense current flowing in the working coil and to compare the sensed current with a predetermined reference value to output pulses, and a controller configured to determine whether a cooking vessel is present on the working coil based on the output pulses.

    INDUCTION HEATING TYPE COOKTOP
    30.
    发明公开
    INDUCTION HEATING TYPE COOKTOP 审中-公开

    公开(公告)号：EP4333563A1

    公开(公告)日：2024-03-06

    申请号：EP22795965.7

    申请日：2022-03-21

    申请人： LG Electronics Inc.

    发明人： KWACK, Younghwan ,  SON, Seongho ,  JEON, Seonho ,  CHO, Chuhyoung ,  JI, Jongseong ,  YANG, Jaekyung ,  LEE, Yongsoo

    IPC分类号： H05B6/12 ,  H05B6/06

    摘要： An induction heating type cooktop according to an embodiment of the present disclosure comprises: an upper part on which an object to be heated is placed; an intermediate heating element installed on the upper plate; a first working coil and a second working coil for generating a magnetic field passing through at least the object to be heated or the intermediate heating element; and an inverter unit for controlling a first direction of a first current flowing through the first working coil and a second direction of a second current flowing through the second working coil, wherein according to the type of the object to be heated, the area of a loop formed by the current induced by the intermediate heating element may be changed.