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公开(公告)号：US20190194033A1
公开(公告)日：2019-06-27
申请号：US16230867
申请日：2018-12-21
Applicant: LG Electronics Inc.
Inventor： Heejun LEE , Kyelyong KANG
IPC: C02F1/00 , B01D35/147 , B01D35/157 , B01D35/18
CPC classification number: C02F1/003 , B01D35/1475 , B01D35/1573 , B01D35/18 , C02F1/008 , C02F2201/005 , C02F2209/02 , C02F2209/40 , C02F2307/10
Abstract: A water purifier includes a water supply tube into which water is introduced, a filter member purifying water passing through the water supply tube, a water discharge tube supplying water to the outside of the water purifier, a hot water tube branched from the water discharge tube, a hot water module including a hot water tank provided on the hot water tube to accommodate purified water and a heat generation unit heating the water accommodated in the hot water tank, a controller spaced apart from the hot water tank or the heat generation unit to control the heat generation unit, and a water discharge nozzle supplying the water passing through the water discharge tube and the hot water tube to the outside of the water purifier. At least a portion of the hot water tube or the water discharge tube passes through the controller and is heat-exchanged with the controller.
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公开(公告)号：US20130141944A1
公开(公告)日：2013-06-06
申请号：US13691409
申请日：2012-11-30
Applicant: LG ELECTRONICS INC.
Inventor： Jinseok HU , Kyelyong KANG , Shinhyun PARK , Gunil PARK , Buhwan AHN , Jaemin KIM
IPC: H02M3/24
CPC classification number: H02M3/24 , H02M3/33523 , H02M2001/0032 , Y02B70/1433 , Y02B70/16
Abstract: A switching mode power supply apparatus is provided. The switching mode power supply apparatus may include a switch unit configured to switch an input voltage to a transformer and a controller configured to select an operation mode having a switching frequency according to a size of a load applied to a secondary side of the transformer and control a switching operation of the switch unit. The switching mode power supply apparatus may include a transformer. A refrigerator having the switching mode power supply apparatus is also provided.
Abstract translation: 提供了开关模式电源装置。 开关模式电源装置可以包括：开关单元，被配置为将输入电压切换到变压器;以及控制器，被配置为根据施加到变压器的次级侧的负载的大小来选择具有开关频率的操作模式，并且控制 开关单元的切换操作。 开关模式电源装置可以包括变压器。 还提供了具有开关模式电源装置的冰箱。
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公开(公告)号：US20240324069A1
公开(公告)日：2024-09-26
申请号：US18124865
申请日：2023-03-22
Applicant: LG ELECTRONICS INC.
Inventor： Kyelyong KANG , Jinwook Han
CPC classification number: H05B1/0266 , H05B6/04 , H05B6/062
Abstract: An induction heating apparatus of one embodiment may comprise a rectifying circuit rectifying an AC voltage supplied from a power source, a smoothing circuit connecting to the rectifying circuit and smoothing a voltage output from the rectifying circuit, a first switching element having a first terminal that connects to a working coil, and a second terminal that connects to the smoothing circuit, a second switching element connecting to the first switching element in parallel, a driving circuit supplying a first switching signal to the first switching element and a second switching signal to the second switching element, and a controller outputting a first control signal corresponding to the first switching signal, and a second control signal corresponding to the second switching signal.
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公开(公告)号：US20170223780A1
公开(公告)日：2017-08-03
申请号：US15418824
申请日：2017-01-30
Applicant: LG ELECTRONICS INC.
Inventor： Jeashik HEO , Kyelyong KANG , Jinwook HAN , Changwoo SON
CPC classification number: H05B6/062 , H05B6/1209 , H05B6/1272 , H05B2213/07 , Y02B40/126
Abstract: An induction cooking apparatus that includes a plate that is configured to accommodate a cooking vessel; a first coil that is located under the plate; a second coil that is located under the plate and adjacent to the first coil; and a temperature detector that is located on the plate and that includes: a resistor element having a resistance value that is changed based on a temperature of the cooking vessel that is inductively heated by the second coil is disclosed.
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公开(公告)号：US20200029397A1
公开(公告)日：2020-01-23
申请号：US16390665
申请日：2019-04-22
Applicant: LG Electronics Inc.
Inventor： Younghwan KWACK , Kyelyong KANG , Seongho SON , Seonho JEON
Abstract: An induction heating device includes an induction heating circuit, a sensor configured to measure current applied to the induction heating circuit, and a controller. The controller includes: a switch driving unit configured to control operation of an inverter unit and to allow a resonance of the current, a container sensing unit, and a control unit. The container sensing unit is configured to: convert a first current value before the resonance into a first voltage value; control the switch driving unit to charge a working coil; compare the first voltage value with a resonance reference value; convert a second current value after the resonance into a second voltage value; generate one or more output pulses; and compare the second voltage value with a count reference value. The control unit is configured to determine whether an object is present on the working coil based on the one or more output pulses.
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Patent Agency Ranking
公开(公告)号：US20130160473A1
公开(公告)日：2013-06-27
申请号：US13725601
申请日：2012-12-21
Applicant: LG ELECTRONICS INC.
Inventor： Jinseok HU , Kyelyong KANG , Shinhyun PARK , Gunil PARK , Buhwan AHN , Jaemin KIM
IPC: F25D29/00
CPC classification number: F25D17/065 , F25D2317/0684 , F25D2400/06 , F25D2700/123
Abstract: A refrigerator is provided. The refrigerator may have a refrigerator body having a first storage chamber and a second storage chamber, an evaporator located at the first storage chamber, a cooling fan disposed at one side of the evaporator, a circulation path formed to include the evaporator and the cooling fan, the circulation path having a plurality of openings at upper and lower parts of the first storage chamber, an upper communication portion arranged to connect upper regions of each of the first and second storage chambers, a lower communication portion arranged to connect lower regions of each of the first and second storage chambers, a temperature sensor unit configured to sense inner temperatures of the second storage chamber and a controller being configured to control a rotation direction of the cooling fan based on the detected temperatures of the temperature sensor unit.
Abstract translation: 提供冰箱。 冰箱可以具有第一储存室和第二储存室的冷藏体，位于第一储存室的蒸发器，设置在蒸发器的一侧的冷却风扇，形成为包括蒸发器和冷却风扇的循环路径 所述循环路径在所述第一储存室的上部和下部具有多个开口，上部连通部分，其布置成连接所述第一和第二储存室中的每一个的上部区域;下部连通部，布置成连接每个所述第一和第二储存室的下部区域; 第一和第二储存室的温度传感器单元，被配置为感测第二储存室的内部温度的温度传感器单元和被配置为基于检测到的温度传感器单元的温度来控制冷却风扇的旋转方向的控制器。
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公开(公告)号：US20230217555A1
公开(公告)日：2023-07-06
申请号：US18092844
申请日：2023-01-03
Applicant: LG ELECTRONICS INC.
Inventor： Sihoon JEONG , John KANG , Kyelyong KANG
CPC classification number: H05B6/08 , H02M7/4815 , H02M1/0009
Abstract: An induction heating device of one embodiment includes a working coil, an inverter including a first switch and a second switch and supplying a resonance current to the working coil, a phase sensing circuit outputting a pulse signal that indicates a phase difference between the resonance current and a switching voltage of the second switch, and a controller calculating a final phase difference between the resonance current and the switching voltage of the second switch, based on the pulse signal, and adjusting an output power value of the working coil, based on the final phase difference.
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公开(公告)号：US20220346196A1
公开(公告)日：2022-10-27
申请号：US17640310
申请日：2020-08-11
Inventor： Kyelyong KANG , Gwangrok KIM , JeeHoon JUNG , See Hoon JUNG , Hwa Pyeong PARK
IPC: H05B6/06 , H02M1/42 , H02M7/5387
Abstract: An induction heating apparatus according to an embodiment of the present specification comprises a main control circuit for adjusting the capacitance of the variable capacitor circuit according to a driving mode of the inverter circuit determined on the basis of a load resistance value of a container placed on the working coil and adjusting the magnitude of the direct current link voltage according to a final voltage value calculated on the basis of an equivalent resistance value of the container and the working coil and a required power value for the working coil.
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公开(公告)号：US20200323044A1
公开(公告)日：2020-10-08
申请号：US16755406
申请日：2018-10-05
Inventor： Kyelyong KANG , Jee Hoon JUNG , Hee Jun LEE , Hwa Pyeong PARK , See Hoon JUNG
Abstract: The present invention relates to an induction heating apparatus. In order to cope with various types of containers without increasing an operating frequency of an induction heating apparatus, the present invention compares a resistance value of a container with a predetermined reference resistance value, and determines an operating mode of a switching device according to a result of the comparison. According to the present invention, it is possible to use various types of containers without increasing an operating frequency of an induction heating apparatus, by adjusting a resonance frequency of a working coil according to a resistance value of a container used in the induction heating apparatus.
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公开(公告)号：US20200053838A1
公开(公告)日：2020-02-13
申请号：US16533460
申请日：2019-08-06
Applicant: LG ELECTRONICS INC.
Inventor： Hanna KIM , Kyelyong KANG
Abstract: Disclosed herein is an induction heating device capable of reducing interference noise. The induction heating device includes a first power module supplying power for driving to at least one of a first working coil and an inner coil, a second power module supplying power for driving to at least one of a second working coil and an outer coil, and a control unit controlling supply of power by the first power module and the second power module. In an embodiment, the control unit may cut off supply of power to the outer coil when an instruction for heating to at least one of a first heating area and a second heating area, and an instruction for heating to a third heating area are input.
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