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11.发明申请公开(公告)号：US20200337120A1
公开(公告)日：2020-10-22
申请号：US16956311
申请日：2018-11-28
Applicant: LG Electronics Inc.
Inventor： Dooyong OH , Byeong Wook PARK , Seungbok OK , Jae-Woo LEE
Abstract: An induction heating device includes a working coil and a resonance capacitor, an inverter that performs a switching operation to supply a resonance current to the working coil, a plurality of snubber capacitors electrically connected to the inverter, a direct current (DC) link capacitor electrically connected to the inverter, and a relay configured to electrically connect one of the plurality of snubber capacitors to the DC link capacitor or the resonance capacitor.
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公开(公告)号：US20200059996A1
公开(公告)日：2020-02-20
申请号：US16487611
申请日：2018-02-23
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok OK , Byeong Wook PARK , Dooyong OH
Abstract: Disclosed herein is an induction-heating cooking apparatus that includes a sensing circuit for controlling an output of a heating coil, and more specifically, to an induction-heating cooking apparatus capable of enhancing accuracy in measuring electric currents of a heating coil by simply modifying a circuit. The induction-heating cooking apparatus includes a control unit calculating an output of a heating coil on the basis of electric currents measured by a sensor supplying alternating current power.
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公开(公告)号：US20160100460A1
公开(公告)日：2016-04-07
申请号：US14873735
申请日：2015-10-02
Applicant: LG ELECTRONICS INC.
Inventor： Byeongwook PARK , Dooyong OH , Hyunwook MOON , Seungbok OK
CPC classification number: H05B6/065 , H05B6/1272
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.
Abstract translation: 一种感应加热烹饪设备，包括整流器，用于对输入电压进行整流并输出直流电压; 多个切换装置，用于切换从整流器输出的直流电压; 多个加热线圈，用于根据所述多个开关装置的控制来加热烹饪容器; 以及控制器，用于控制所述多个开关装置，以同时驱动所述多个加热线圈中彼此并联连接的两个加热线圈。
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公开(公告)号：US20240188200A1
公开(公告)日：2024-06-06
申请号：US18526458
申请日：2023-12-01
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok OK , Seongjun KIM , Seonho JEON
CPC classification number: H05B6/1263 , H05B6/062 , H05B2213/04
Abstract: A cooking appliance can include an upper plate configured to support an object to be heated; a working coil configured to generate magnetic fields for heating the object; a temperature sensor configured to sense a first temperature of the upper plate; at least one sub temperature sensor configured to sense a second temperature of the upper plate; and a sensor support member including a main mounting portion and a sub mounting portion, the temperature sensor being mounted on the main mounting portion and the at least one sub temperature sensor being mounted on the sub mounting portion. Also, the sensor support member is disposed in a direction extending away from a center of the working coil.
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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
16.发明申请公开(公告)号：US20190124727A1
公开(公告)日：2019-04-25
申请号：US16165061
申请日：2018-10-19
Applicant: LG Electronics Inc.
Inventor： Hyunwook MOON , Eui Sung KIM , Seungbok OK
Abstract: Disclosed is a device configured to inductively heat one or more objects and to wirelessly transfer power to one or more objects. The device includes a first working coil, an inverter unit configured to cause a resonant current to flow in the first working coil by performing a switching operation, a first detection unit connected to the first working coil and configured to detect the resonant current applied to the first working coil, and a control unit configured to: determine whether a target object is located at a location corresponding to the first working coil by controlling operation of the inverter unit and the first detection unit; or to control output of the first working coil.
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公开(公告)号：US20160374156A1
公开(公告)日：2016-12-22
申请号：US15189536
申请日：2016-06-22
Applicant: LG ELECTRONICS INC.
Inventor： Dooyong OH , Hyunwook MOON , Seungbok OK , Byeongwook PARK
CPC classification number: H05B6/065 , H05B6/1254 , H05B2206/022 , Y02B40/126
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 according to a plurality of operation modes; and a supporting member in which at least one of the plurality of heating coils is mounted. The supporting member includes a coil insertion part, into which the heating coils are inserted, and the magnetic member is inserted into the supporting member to directly face the heating coils at the lower side of the heating coils.
Abstract translation: 电子感应加热烹调设备包括：整流器，用于整流输入电压并输出直流（DC）电压; 多个开关元件，用于切换通过整流器输出的直流电压; 多个加热线圈，用于通过控制多个开关元件来加热炊具; 控制器，用于根据多种操作模式控制多个开关元件; 以及其中安装有多个加热线圈中的至少一个的支撑构件。 支撑构件包括线圈插入部，加热线圈插入该线圈插入部，并且磁性构件插入到支撑构件中，以直接面对加热线圈下侧的加热线圈。
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公开(公告)号：US20160374153A1
公开(公告)日：2016-12-22
申请号：US15189566
申请日：2016-06-22
Applicant: LG ELECTRONICS INC.
Inventor： Dooyong OH , Hyunwook MOON , Seungbok OK , Byeongwook PARK
CPC classification number: H05B6/065 , H05B6/1254 , H05B2206/022 , Y02B40/126
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.
Abstract translation: 一种电子感应加热烹饪设备，包括：整流器，用于整流输入电压并输出直流（DC）电压;多个开关元件，用于切换通过整流器输出的直流电压;多个加热线圈，用于加热炊具; 控制多个开关元件，用于控制多个开关元件的控制器和包括加热线圈插入其中的凹槽的支撑构件。 每个槽的横截面的宽度朝向每个槽的入口减小。
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公开(公告)号：US20160374152A1
公开(公告)日：2016-12-22
申请号：US15189395
申请日：2016-06-22
Applicant: LG ELECTRONICS INC.
Inventor： Dooyong OH , Oksun YU , Seungbok OK , Byeongwook PARK
Abstract: An electronic induction heat cooking apparatus includes first and second cooker modules including at least one heating coil and a dual heating coil, the first cooker module includes any one of an inner coil and an outer coil included in the dual heating coil, switching elements for operating the coil and a first microcontroller unit for controlling the switching elements, the second cooker module includes the other of the inner coil and the outer coil included in the dual heating coil, switching elements for operating the other coil and a second microcontroller unit for controlling the switching elements, and the first microcontroller unit and the second microcontroller unit share an oscillator.
Abstract translation: 一种电子感应加热烹饪设备包括包括至少一个加热线圈和双加热线圈的第一和第二烹调器模块，第一灶具模块包括包括在双加热线圈中的内线圈和外线圈中的任一个，用于操作的开关元件 所述线圈和用于控制所述开关元件的第一微控制器单元，所述第二炊具模块包括所述双重加热线圈中包括的所述内部线圈和所述外部线圈中的另一个，用于操作所述另一个线圈的开关元件和用于控制所述另一个线圈的第二微控制器单元 开关元件，并且第一微控制器单元和第二微控制器单元共享振荡器。
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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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