Lg Electronics Inc.

Yangkyeong Kim

Jeongho Lee

Seungchan Lee

Hyeunsik Nam

Wan Soo Kim

Yongsoo Lee

Youngseok Kim

Hyunwook Moon

Wansoo Kim

Byungkyu Park

Dongseong Kwag

Sangcheol Lee

Wontae Kim

Euisung Kim

Jaekyung Yang

Sungho Choi

Eunkyoung Yoon

Seongjun Kim

HyunJung Kim

Eui Sung Kim

Byeongwook Park

Youngjun Lee

Woo Jin Choi

Seungjo Baek

Chaehyun Baek

Hojae Sung

Changhyun Kwon

The present disclosure relates to a cooking apparatus having a heating module capable of moving in a two-dimensional space and, particularly, to a cooking apparatus comprising: an upper plate configured to support a cooking vessel, a heating module disposed movably in a space provided under the upper plate and included a coil, and a rail disposed under the heating module to guide movements of the heating module, wherein electric current is supplied to the rail and the heating module supplies an alternating current through the rail. According to the present disclosure, the heating module supplies a current through the rail rather than receiving a current through a separate connection coil or wiring from an external power supply, thereby enabling shorting or disconnection of a current to be prevented even if the heating module moves.

Cooking apparatus

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.

Wireless power transmission apparatus for induction heating and control method thereof

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 detect a target object, and determine, in the wireless power transmission mode, whether the target object is (i) a device from among a first group of devices including a device with a reception coil or (ii) an induction heating device.

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.

Apparatus for estimating temperature of food

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.

Smart kettle using induction heating

A wireless induction heating cooker includes a main body, a lid coupled to the main body, an internal pot stored in the main body, a first power receiving coil placed at a lower portion of an edge area of the internal pot, a lateral surface heating coil placed on an outer circumferential surface of the internal pot and connected with the first power receiving coil, a power transmitting coil provided on one lateral surface of an upper portion of the main body and supplied with electric currents induced to the first power receiving coil, and a second power receiving coil provided on one lateral surface of the lid and supplying electric currents induced by a magnetic field generated in the power transmitting coil to at least one of electronic devices.

Wireless induction heating cooker and wireless induction heating system including same

A cooking apparatus is disclosed, which comprises a first housing provided with an inverter for induction heating; and a second housing including a working coil to which a current supplied from the inverter is transferred, heated as a container for receiving cooking food is arranged thereon, wherein the first housing and the second housing constitute spaces detached from each other.

Disclosed is a system interworking between a cooking apparatus for cooking food and a kitchen device in communication with the cooking apparatus, the system comprising a cooking apparatus comprising a first transmitter transmitting an electrical signal to the kitchen device; and a first controller controlling the first transmitter to transmit the electrical signal to the kitchen device; and a kitchen device comprising a second receiver receiving the electrical signal transmitted by the first transmitter; and a second controller controlling the driving of the kitchen device according to the electrical signal received by the second receiver.

System interworking between a cooking apparatus and a kitchen device

The present disclosure relates to a wireless power reception device and method, and provides a wireless power reception device comprising: a secondary coil which is magnetically coupled to a primary coil disposed in a wireless power transmission device so as to receive wireless power from the wireless power transmission device; a shielding member for supporting the secondary coil; a power pickup unit including a rectifier circuit for rectifying an alternating current signal according to the wireless power received by the secondary coil into a direct current signal; and a communication/control unit for controlling transmission of the wireless power and communicating with the wireless power transmission device. On the basis of a secondary coil and a shielding member according to the present embodiment, slimming of an applied product can be achieved and, simultaneously, the same target performance index (which is required for the standard medium power level (for example, 60W)) can be implemented.

System and device for transmission and reception of wireless power

An electromagnetic induction heating cooking appliance may include a body comprising a wireless power transmitter that transmits power wirelessly, a first wireless communication module that transmits and receives signals wirelessly, and an electromagnetic induction heater that heats food or food materials accommodated in a space in the body using an induced current, and a door comprising a wireless power receiver that faces the wireless power transmitter, a second wireless communication module that faces the first wireless communication module, and an electronic device connected to the wireless power receiver that receives power via the wireless power receiver. The door may be coupled with the body such that it opens and closes the space in the body.

Electromagnetic induction heating cooking appliance

An air cleaning unit includes a suction part into which contaminated air flows, a transfer body coupled with the suction part to support the suction part and to be raised up and down with the suction part; an elevation part connected to the transfer body and raising up and down the transfer body, a pivoting part connected to the suction part to pivot the suction part, and a filtering part communicating with the suction part and cleaning the contaminated air introduced into the suction part.

Downdraft air cleaning unit and cooking system having the same

A filtering module includes a cyclone having a contaminated air inlet part into which external contaminated air and cleaning water cleaning the contaminated air are each introduced, and a cleaned air outlet part through which air cleaned by bringing the cleaning water into contact with the contaminated air is discharged; a water tank coupled to the cyclone, to which the cleaning water cleaning the contaminated air is introduced, and storing mixed water in which a pre-stored fluid and the cleaning water are mixed; and a fluid circulating part providing the mixed water stored in the water tank to the contaminated air inlet part.

Cyclone for air cleaning and filtering module having the same

A cooker includes a steam generator that supplies steam into a cooking chamber of the cooker. The steam generator includes a heating chamber having a heating space; a steam discharge port through which steam in the heating space is discharged; a residual water discharge port through which steam water in the heating space is discharged; a heater that heats the heating space; and a residual water discharge pipe connected with the residual water discharge port and that selectively discharges steam water from the heating space to an outside. A first end of the residual water discharge pipe is connected with the residual water discharge port, a second end of the residual water discharge pipe is arranged lower than the residual water discharge port, and a portion of the residual water discharge pipe between the first and second ends is arranged higher than the residual water discharge port.

Cooker and steam generator

An electromagnetic induction heating cooking appliance may include a heating plate comprising a magnetic substance, a cooking space in which the heating plate is accommodated, an electromagnetic induction heater that supplies an induced current to the heating plate, and a heat emitter that emits heat so as to heat food placed on the heating plate. The electromagnetic induction heater and the heat emitter may be disposed on different sides of the cooking space, respectively. The electromagnetic induction heating cooking appliance may further include a water storage groove that generates steam in the cooking space when water is placed in the water storage groove.

Provided is a table top including: an upper plate, which is constituted by a plate-shaped non-magnetic member so as to support an electronic or cooking device placed thereon; an energy supply module, which is disposed under the upper plate so as to supply energy to the electronic or cooking device; at least one light source configured to generate light; and at least one light-transmissive portion, which is provided in the upper plate and through which the light generated by the light source is transmitted; and at least one light guide configured to guide the light, generated by the light source, to the light-transmissive portion, wherein the at least one light guide allows at least a portion of the light, generated by the light source, to be emitted upward from the upper plate through the light-transmissive portion.

Growing community of inventors

Seoul, South Korea

Yangkyeong Kim