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公开(公告)号：US10667333B2
公开(公告)日：2020-05-26
申请号：US15189566
申请日：2016-06-22
Applicant: LG ELECTRONICS INC.
Inventor： Dooyong Oh , Hyunwook Moon , Seungbok Ok , Byeongwook Park
Abstract: An electronic induction heat cooking apparatus includes a rectifier for rectifying an input voltage and outputting a direct current (DC) voltage, a plurality of switching elements for switching the DC voltage output through the rectifier, a plurality of heating coils for heating a cooking utensil by controlling the plurality of switching elements, a controller for controlling the plurality of switching elements, and a support member including grooves, into which the heating coils are inserted. A width of a cross section of each of the grooves decreases toward an entrance of each of the grooves.
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公开(公告)号：US10582574B2
公开(公告)日：2020-03-03
申请号：US15048371
申请日：2016-02-19
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok Ok , Dooyong Oh , Oksun Yu , Hyunwook Moon
Abstract: An induction heat cooking apparatus includes a rectifier to rectify an input voltage and to output a DC voltage; a plurality of switching elements to switch the DC voltage output from the rectifier; a plurality of heating coils to heat a cooking container according to an operation of the plurality of switching elements; and a control part to control the plurality of switching elements, wherein the control part controls a time at which a switching element between a heating coil which is operated and a heating coil which is not operated among the plurality of heating coils is opened to be earlier than that of another switching element, such that power is not applied to the heating coil which is not operated.
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3.发明申请COOKER, POWER CONTROL METHOD OF THE COOKER, AND POWER CONTROL SYSTEM HAVING THE SAME 有权烹饪器，烹饪器的功率控制方法和具有该烹饪器的功率控制系统公开(公告)号：US20140158679A1
公开(公告)日：2014-06-12
申请号：US14235360
申请日：2012-10-24
Applicant: LG Electronics Inc.
Inventor： Hyunwook Moon , Byeongwook Park , Yangkyeong Kim
CPC classification number: H05B6/065 , H05B1/0266 , H05B6/062 , H05B6/1209
Abstract: A cooker, a method for controlling power of a cooker, and a power control system including the same are provided. A high power cooking device can be used without making an additional power construction work or causing a power circuit breaker installed in an input terminal of a household power source to be opened. Driving power of a burner is controlled or distributed by using a current flowing in a power circuit breaker or an overcurrent breaker installed in a load end, whereby power operation efficiency of an input power source can be enhanced and the input power source cannot be broken.
Abstract translation: 提供了一种炊具，一种用于控制炊具的功率的方法，以及包括该炊具的功率控制系统。 可以使用高功率烹饪装置而不进行额外的动力结构工作，或者使得安装在家用电源的输入端子中的电源断路器被打开。 燃烧器的驱动力通过使用流过在负载端的电力断路器或过电流断路器中的电流来控制或分配，从而可以提高输入电源的功率运行效率，并且输入电源不会被破坏。
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公开(公告)号：US12185871B2
公开(公告)日：2025-01-07
申请号：US17437214
申请日：2020-02-07
Applicant: LG Electronics Inc.
Inventor： Hyunwook Moon , Byungkyu Park , Yangkyeong Kim
Abstract: The apparatus comprises a case, a magnetic member which is provided at a bottom surface of the case and attaches the case to the outer surface of the cooking vessel by forming an attractive force with respect to the outer surface of the cooking vessel, first and second temperature sensors which are disposed at the bottom surface of the case while being spaced a predetermined distance apart from each other in the vertical direction, and measure temperatures of two measurement points located at the outer surface of the cooking vessel and spaced the predetermined distance apart from each other in the vertical direction, respectively and a controller which is provided in the case and estimates the temperature of the food based on an average value of the temperatures measured respectively by the first and second temperature sensors and a desired temperature value provided by a user.
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公开(公告)号：US11957265B2
公开(公告)日：2024-04-16
申请号：US16609117
申请日：2017-08-23
Applicant: LG Electronics Inc.
Inventor： Hyunwook Moon , Yangkyeong Kim , Wan Soo Kim
CPC classification number: A47J27/2105 , A47B33/00 , A47J36/32 , H02J50/12 , H05B6/06 , H05B6/108 , H05B6/1236 , H05B6/1245 , A47B2200/008 , A47B2220/0097 , A47J2202/00 , H05B2213/06
Abstract: A smart kettle is disclosed. The smart kettle includes a body that is configured to increase in temperature in response to a magnetic field. The smart kettle further includes a temperature sensor that is located on a bottom of the body and that is configured to measure a temperature of the bottom of the body. The smart kettle further includes a controller that is configured to adjust a strength of the magnetic field based on the temperature measured by the temperature sensor by outputting a control signal.
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Patent Agency Ranking
公开(公告)号：US11533787B2
公开(公告)日：2022-12-20
申请号：US16145298
申请日：2018-09-28
Applicant: LG Electronics Inc.
Inventor： Hyunwook Moon , Eui Sung Kim , Byeong Wook Park
Abstract: An induction heating and wireless power transferring device that includes: a first working coil and a second working coil that are coupled in parallel; a rectification unit configured to rectify alternating current (AC) power to direct current (DC) power; a first inverter unit configured to convert the DC power into resonant current, and apply the converted resonant current to the first working coil or the second working coil; a first switch coupled to the first working coil and configured to turn on or off the first working coil; a second switch coupled to the second working coil and configured to turn on or off the second working coil; and a control unit configured to control the first inverter unit, the first switch, or the second switch to detect whether a target object is located on the first working coil or the second working coil.
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7.发明授权公开(公告)号：US11271441B2
公开(公告)日：2022-03-08
申请号：US17178629
申请日：2021-02-18
Applicant: LG Electronics Inc.
Inventor： Jaewoo Lee , Hyunwook Moon , Euisung Kim
IPC: H02J50/80 , H02J7/00 , H02J50/12 , A47J43/046
Abstract: A system includes a wireless power transfer apparatus and a wireless power reception apparatus. The wireless power transfer apparatus includes a transmitting coil, an inverter including switching elements, and a first controller configured to calculate an output level of power transmitted through the transmitting coil, receive data on a target level for power transmitted through the transmitting coil from the wireless power reception apparatus, and control the inverter based on comparing the output level and the target level. The wireless power reception apparatus includes a receiving coil, a rectifier configured to rectify power transmitted from the receiving coil, a capacitor connected to the rectifier, and a second controller configured to calculate a voltage applied to the capacitor, determine the target level based on comparing the calculated voltage and a first reference voltage, and transmit the target level to the wireless power transfer apparatus.
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公开(公告)号：US20210259059A1
公开(公告)日：2021-08-19
申请号：US17178991
申请日：2021-02-18
Applicant: LG Electronics Inc.
Inventor： Euisung KIM , Jaewoo LEE , Hyunwook Moon
Abstract: A cooking apparatus includes: a working coil, an inverter configured to output a resonant current to the working coil, a current detector configured to detect the resonant current and output a detection value corresponding to the resonant current, and a controller. The controller is configured to control the inverter to flow a first resonant current through the working coil, control the inverter to flow, through the working coil, a second resonant current having a frequency different from the first resonant current, and determine, based on a difference between a first detection value for the first resonant current and a second detection value for the second resonant current, whether a target object that is located adjacent to the working coil is a predetermined object.
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公开(公告)号：US11064575B2
公开(公告)日：2021-07-13
申请号：US16165015
申请日：2018-10-19
Applicant: LG Electronics Inc.
Inventor： Hyunwook Moon , Eui Sung Kim , Dooyong Oh
Abstract: An induction heating device includes first and second working coils connected to each other electrically in parallel, an inverter unit configured to cause a resonant current to flow in at least one of the first working coil or the second working coil, a first semiconductor switch configured to turn on and off the first working coil; a second semiconductor switch configured to turn on and off the second working coil; and a control unit configured to apply the resonant current to the first working coil or the second working coil by controlling the inverter unit, the first semiconductor switch, and the second semiconductor switch, and, based on a number of pulses or a frequency of the resonant current, to detect whether a target object is located at a location corresponding to the first working coil or the second working coil.
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公开(公告)号：US10187930B2
公开(公告)日：2019-01-22
申请号：US14873735
申请日：2015-10-02
Applicant: LG ELECTRONICS INC.
Inventor： Byeongwook Park , Dooyong Oh , Hyunwook Moon , Seungbok Ok
Abstract: An induction heat cooking apparatus includes a rectifier to rectify an input voltage and to output a DC voltage; a plurality of switching devices to switch the DC voltage output from the rectifier; a plurality of heating coils to heat a cooking container according to control of the plurality of switching devices; and a controller to control the plurality switching devices to simultaneously drive two heating coils connected in parallel with each other among the plurality of heating coils.
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