-
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。
-
公开(公告)号:US20250017412A1
公开(公告)日:2025-01-16
申请号:US18714292
申请日:2021-12-13
Applicant: LG ELECTRONICS INC.
Inventor: Seung-Yeon CHOI , Hyeunsik NAM , Hyunwook MOON , Jungkeun YANG
Abstract: A coffee maker and a control method therefor are disclosed. The disclosed coffee maker controls a dripper valve module to be closed in a first water supply section corresponding to a pre-wetting process so as to close an extraction hole, and controls the dripper valve module to be opened in a second water supply section corresponding to a coffee extraction process so as to open the extraction hole. Accordingly, a coffee drip process similar to a hand drip operation can be implemented.
-
公开(公告)号:US20240244721A1
公开(公告)日:2024-07-18
申请号:US18579748
申请日:2021-07-23
Applicant: LG ELECTRONICS INC.
Inventor: Jaewoo LEE , Hyunwook MOON , Kyungho PARK
CPC classification number: H05B6/1254 , H05B6/36
Abstract: An induction heating type cooktop capable of heating both a magnetic body and a non-magnetic body with only a single coil and a capacitor without a separate switching structure is provided. The induction heating type cooktop includes an upper plate glass having a heating region formed so as to heat a cooking container; a working coil generating a magnetic field to heat the cooking container; and an inverter having a switch driven to allow current to flow in the working coil. The area of the working coil may be smaller than the area of the heating region.
-
公开(公告)号:US20210274605A1
公开(公告)日:2021-09-02
申请号:US17186747
申请日:2021-02-26
Applicant: LG Electronics Inc.
Inventor: Hyunwook MOON , Euisung KIM , Yangkyeong KIM
Abstract: A wireless power transmission apparatus for induction heating includes: a working coil that is 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 that is 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 in a preparation period prior to wireless power transmission to the target object.
-
25.
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.
-
26.
公开(公告)号:US20190124726A1
公开(公告)日:2019-04-25
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.
-
公开(公告)号:US20190104573A1
公开(公告)日:2019-04-04
申请号:US16145278
申请日:2018-09-28
Applicant: LG Electronics Inc.
Inventor: Hyunwook MOON , Yangkyeong KIM , Eui Sung KIM
Abstract: An indicator for an induction heating device including a working coil, the indicator that includes: a magnetic flux sensing coil that is configured to (i) sense magnetic flux generated in a state in which the working coil is driven and (ii) convert the sensed magnetic flux into current; a rectifying portion that is configured to rectify current converted by the magnetic flux sensing coil; and a light emitting module that is configured to emit light based on current rectified by the rectifying portion is disclosed.
-
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。
-
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。
-
公开(公告)号:US20240210253A1
公开(公告)日:2024-06-27
申请号:US18525614
申请日:2023-11-30
Applicant: LG ELECTRONICS INC.
Inventor: Hyunwook MOON , Sol HAN , Kyungho PARK
CPC classification number: G01K3/10 , G01K13/00 , G01K2207/06
Abstract: A device for measuring temperature can include at least one array sensor configured to measure a temperature of at least a portion of a surface of an object to be heated by a cooking appliance; and a controller configured to determine a temperature change rate based on the temperature, and determine a surface material of the object based on the temperature change rate. Also, the cooking appliance can be an induction heating-type cooktop including a working coil that generates magnetic fields to heat the object.
-
-
-
-
-
-
-
-
-