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21.发明公开公开(公告)号：US20230253834A1
公开(公告)日：2023-08-10
申请号：US18127193
申请日：2023-03-28
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok OK , Dooyong OH , Hyunwook MOON , Byeong Wook PARK
CPC classification number: H02J50/40 , H02J50/80 , H02J50/90 , H02J50/12 , H02J7/02 , H05B1/0266 , H05B6/065 , H05B6/44
Abstract: An induction heating and wireless power transmitting apparatus includes: a first working coil portion including first and second working coils that are connected in parallel; a first inverter configured to apply a resonant current to the first working coil and the second working coil by performing a switching operation; a first semiconductor switch connected to the first working coil and configured to turn the first working coil on or off; a second semiconduction switch connected to the second working coil and configured to turn the second working coil on or off; and a controller configured to detect whether an object is positioned above the first working coil or the second working coil based on controlling the first and second semiconductor switched and the first inverter.
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Patent Agency Ranking
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：US20210136880A1
公开(公告)日：2021-05-06
申请号：US16488731
申请日：2018-02-23
Applicant: LG ELECTRONICS INC.
Inventor： Dooyong OH , Byeong Wook PARK , Seungbok OK
Abstract: The present invention relates to an induction heating cooker and, more specifically, to an induction heating cooker comprising triple heating coils which have the same center and operate by different power sources. The induction heating cooker of the present invention comprises a control unit for controlling first to third coil driving circuits so as to operate the first to third heating coils at the same frequency.
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公开(公告)号：US20200337121A1
公开(公告)日：2020-10-22
申请号：US16712016
申请日：2019-12-12
Applicant: LG Electronics Inc.
Inventor： Jae-Woo LEE , Seongjun KIM , Seungbok OK
IPC: H05B6/06 , H05B6/44 , H05B6/12 , H05B1/02 , G06F3/0488
Abstract: An induction heating device includes a case, working coils, a cover plate, an input interface, a first control module configured to detect one or more of the working coils at a position of an object seated on the cover plate, a second control module configured to receive information on the position of the object and control the input interface to display an image of a heating zone, and light emitting elements disposed below a periphery of each of the plurality of working coils. The second control module is configured to analyze an arrangement form of the one or more of the working coils based on the information on the position of the object, and control driving of at least one of the light emitting elements based on a result of analyzing the arrangement form.
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公开(公告)号：US20160374151A1
公开(公告)日：2016-12-22
申请号：US15048371
申请日：2016-02-19
Applicant: LG ELECTRONICS INC.
Inventor： Seungbok OK , Dooyong OH , Oksun YU , Hyunwook MOON
CPC classification number: H05B6/065 , H05B1/0202 , H05B1/0266 , H05B6/1236
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.
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; 多个开关元件，用于切换从整流器输出的直流电压; 多个加热线圈，用于根据多个开关元件的操作加热烹饪容器; 以及用于控制所述多个开关元件的控制部分，其中所述控制部分控制在所述多个加热线圈之间的被操作的加热线圈与未操作的加热线圈之间的开关元件打开的时间较早 比另一个开关元件的功率高，使得不对没有工作的加热线圈施加电力。
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公开(公告)号：US20160100461A1
公开(公告)日：2016-04-07
申请号：US14873737
申请日：2015-10-02
Applicant: LG ELECTRONICS INC.
Inventor： Byeongwook PARK , Dooyong OH , Hyunwook MOON , Seungbok OK , Byungkyu PARK
CPC classification number: H05B6/065 , H05B6/1272 , H05B2206/02
Abstract: An induction heat cooking apparatus in which a first terminal of a first resonant capacitor of which a second terminal is connected to a second heating coil is connected to one of a positive power supply terminal and a negative power supply terminal of a rectifier, and a first terminal of a second resonant capacitor of which a second terminal is connected to a third heating coil is connected to the other one of the positive power supply terminal and the negative power supply terminal of the rectifier not connected to the first resonant capacitor, and a controller controls a plurality of switching devices to simultaneously drive the second heating coil and the third heating coil which are connected in parallel.
Abstract translation: 一种感应加热烹饪设备，其中第一端子连接到第二加热线圈的第一谐振电容器的第一端子连接到整流器的正电源端子和负电源端子中的一个，并且第一 将第二端子连接到第三加热线圈的第二谐振电容器的端子连接到未连接到第一谐振电容器的整流器的正电源端子和负电源端子中的另一个，以及控制器 控制多个开关装置以同时驱动并联连接的第二加热线圈和第三加热线圈。
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