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公开(公告)号：US20240060653A1
公开(公告)日：2024-02-22
申请号：US18270337
申请日：2021-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok OK , Dooyong OH , Hojae SEONG , Byeongwook PARK
CPC classification number: F24C15/102 , F24C7/087 , H05B6/1209 , H05B2213/07
Abstract: A cooktop can include a top plate glass configured to support placement of a cooking container; a memory configured to store a plurality of regression models indicating a relationship between a temperature of the top plate glass and a cooking temperature of the cooking container; a temperature sensor configured to sense the temperature of the top plate glass when operating in a heating mode and output a sensing value; and a processor. Also, the processor can be configured to select a regression model from among the plurality of regression models based on the sensing value of the temperature sensor, and calculate the cooking temperature of the cooking container based on the regression model.
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公开(公告)号：US20240107634A1
公开(公告)日：2024-03-28
申请号：US18270332
申请日：2021-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok OK , Dooyong OH , Hojae SEONG , Byeongwook PARK
IPC: H05B6/06
CPC classification number: H05B6/062
Abstract: A cooktop includes a memory that stores material classification data; a measurement unit that acquires output values for each frequency in a search frequency range; and a material determination unit that compares the output values with the material classification data so as to obtain the material information of the cooking container.
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Patent Agency Ranking
公开(公告)号：US20240114601A1
公开(公告)日：2024-04-04
申请号：US18270354
申请日：2021-02-03
Applicant: LG ELECTRONICS INC.
Inventor： Hojae SEONG , Dooyong OH , Oksun YU , Seungbok OK , Byeongwook PARK
CPC classification number: H05B6/062 , H05B6/1236 , H05B2213/04 , H05B2213/05 , H05B2213/07
Abstract: An induction cooktop includes an upper plate glass on which a cooking container is placed, a working coil generating a magnetic field to heat the cooking container, an inverter driven to flow a current through the working coil, an impedance calculation unit calculating the impedance of the cooking container on the basis of a parameter of the inverter, and an overheated state determination unit determining whether the cooking container is overheated, based on the impedance.
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公开(公告)号：US20210274606A1
公开(公告)日：2021-09-02
申请号：US17185638
申请日：2021-02-25
Applicant: LG Electronics Inc.
Inventor： Hojae SEONG , Euisung KIM , Seungbok OK
Abstract: A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to determine, based on the wireless power transmission mode being selected, whether a foreign object is present on the working coil over a plurality of modes in a preparation period prior to performing wireless power transmission (WPT) to a target object.
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公开(公告)号：US20250031284A1
公开(公告)日：2025-01-23
申请号：US18713906
申请日：2022-03-29
Applicant: LG ELECTRONICS INC.
Inventor： Hojae SEONG , Dooyong OH , Seungbok OK , Byeongwook PARK
Abstract: The present disclosure is intended to provide an induction heating type cooktop that detects overheating of a cooking vessel regardless of the amount of water or the material of the vessel, comprising an upper plate part on which a cooking vessel is placed, a working coil configured to generate a magnetic field passing through the cooking vessel, an inverter configured to supply current to the working coil, and a controller configured to detect whether the cooking vessel is overheated, wherein the controller is configured to detect whether the cooking vessel is overheated using load impedance.
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公开(公告)号：US20210274607A1
公开(公告)日：2021-09-02
申请号：US17185663
申请日：2021-02-25
Applicant: LG Electronics Inc.
Inventor： Hojae SEONG , Hyunwook MOON , Seungbok OK
Abstract: A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to receive, in the wireless power transmission mode, a load voltage from a target object, compensate for the load voltage, and determine, in the wireless power transmission mode, whether a foreign object is present in the working coil based on the compensated load voltage.
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公开(公告)号：US20210274604A1
公开(公告)日：2021-09-02
申请号：US17185626
申请日：2021-02-25
Applicant: LG Electronics Inc.
Inventor： Jaewoo LEE , Euisung KIM , Hojae SEONG
Abstract: A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to calculate an eccentricity degree between the working coil and a reception coil of a target object, and control, in the wireless power transmission mode, the operation frequency based on the calculated eccentricity degree while performing wireless power transmission to the target object.
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