公开(公告)号：US09554426B2

公开(公告)日：2017-01-24

申请号：US14145484

申请日：2013-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Dooyong Oh ,  Heesuk Roh ,  Byeongwook Park

IPC: H05B6/04 ,  H05B6/36 ,  H05B6/06

CPC classification number: H05B6/065

Abstract: Provided is an induction heat cooking apparatus. The induction heat cooking apparatus includes a rectifying part rectifying an input voltage to output a DC voltage, an inverter switching the DC voltage outputted through the rectifying part to generate an AC voltage, a first heating part operated by the AC voltage applied from the inverter, a second heating part connected to the first heating part in parallel, the second heating part being operated by the AC voltage applied from the inverter, and a switching signal generation part controlling an operation state of each of the first and second heating parts from the inverter according to an operation mode inputted from the outside. The switching signal generation part includes a photo coupler.

Abstract translation: 提供一种感应加热烹调设备。 感应加热烹调设备包括整流输入电压的整流部分以输出直流电压，逆变器切换通过整流部分输出的直流电压以产生交流电压，第一加热部分由逆变器施加的交流电压操作， 第二加热部并联连接到第一加热部，第二加热部由从逆变器施加的交流电压进行动作;切换信号生成部，控制来自逆变器的第一加热部和第二加热部的运转状态 根据从外部输入的操作模式。 开关信号产生部分包括光耦合器。

公开(公告)号：US09480107B2

公开(公告)日：2016-10-25

申请号：US14010581

申请日：2013-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Dooyong Oh ,  Heesuk Roh ,  Byeongwook Park

IPC: H05B6/06 ,  H05B6/04

CPC classification number: H05B6/065

Abstract: An induction heating cooker is provided. The induction heating cooker may include a rectifier to rectify an input voltage into a direct current (DC) voltage and output the DC voltage, an inverter to generate an alternating current (AC) voltage by switching the DC voltage, a first heater driven by the AC voltage so as to heat a first cooking container, a second heater connected in parallel to the first heater, and driven by the AC voltage so as to heat a second cooking container, and a switching controller configured to output a switching signal to the inverter for controlling the first and second heaters in accordance with a selected operation mode. The selected operation mode may be a first operation mode for driving only the first heater, a second operation mode for driving only the second heater, or a third operation mode for driving both the first and second heaters at the same time.

Abstract translation: 提供感应加热烹调器。 感应加热烹调器可以包括整流器，将输入电压整流为直流（DC）电压并输出直流电压，逆变器通过切换直流电压产生交流电压，由第一加热器驱动的第一加热器 交流电压，以加热与第一加热器并联连接并由交流电压驱动的第一加热容器，第二加热器，以加热第二烹饪容器;以及开关控制器，其将转换信号输出到逆变器 用于根据选择的操作模式控制第一和第二加热器。 所选择的操作模式可以是仅驱动第一加热器的第一操作模式，仅驱动第二加热器的第二操作模式或用于同时驱动第一和第二加热器的第三操作模式。

公开(公告)号：US09801237B2

公开(公告)日：2017-10-24

申请号：US14010570

申请日：2013-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Dooyong Oh ,  Heesuk Roh ,  Byeongwook Park

IPC: H05B6/06 ,  H05B6/08

CPC classification number: H05B6/065

Abstract: An electronic induction heating cooker is provided. The electronic induction heating cooker may include a rectifier that rectifies an input voltage into a direct current (DC) voltage and output the DC voltage, an inverter including first, second and third switches connected in series between a positive power source terminal and a negative power source terminal to generate an alternating current (AC) voltage by switching the DC voltage, a first heater driven by the AC voltage so as to heat a first cooking container, a second heater connected in parallel to the first heater and driven by the AC voltage so as to heat a second cooking container, and a switching controller that generates a switching signal for controlling the first and second heaters in accordance with a set of operating conditions input thereto and adjusts a duty cycle of the switching signal.

公开(公告)号：US09572201B2

公开(公告)日：2017-02-14

申请号：US14145428

申请日：2013-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Dooyong Oh ,  Heesuk Roh ,  Byeongwook Park

IPC: H05B6/04 ,  H05B6/36 ,  H05B6/06

CPC classification number: H05B6/065

Abstract: Provided is an induction heat cooking apparatus. The induction heat cooking apparatus includes a rectifying part rectifying an input voltage to output a DC voltage, an inverter switching the DC voltage outputted through the rectifying part to generate an AC voltage, a first heating part operated by the AC voltage applied from the inverter, a second heating part connected to the first heating part in parallel, the second heating part being operated by the AC voltage applied from the inverter, and a switching signal generation part controlling an operation state of each of the first and second heating parts from the inverter according to an operation mode inputted from the outside. The switching signal generation part includes an inverter driver including a bootstrap circuit.

Abstract translation: 提供一种感应加热烹调设备。 感应加热烹调设备包括整流输入电压的整流部分以输出直流电压，逆变器切换通过整流部分输出的直流电压以产生交流电压，第一加热部分由逆变器施加的交流电压操作， 第二加热部并联连接到第一加热部，第二加热部由从逆变器施加的交流电压进行动作;切换信号生成部，控制来自逆变器的第一加热部和第二加热部的运转状态 根据从外部输入的操作模式。 切换信号生成部包括具有自举电路的逆变器驱动器。

公开(公告)号：US09544946B2

公开(公告)日：2017-01-10

申请号：US14145357

申请日：2013-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Dooyong Oh ,  Heesuk Roh ,  Byeongwook Park

IPC: H05B6/04 ,  H05B6/06

CPC classification number: H05B6/062 ,  H05B2213/05

Abstract: Provided is an induction heat cooking apparatus. The induction heat cooking apparatus includes a rectifying part rectifying an input voltage to output a DC voltage; an inverter switching the DC voltage outputted through the rectifying part to generate an AC voltage; a first heating part operated by the AC voltage applied from the inverter; a second heating part connected to the first heating part in parallel, the second heating part being operated by the AC voltage applied from the inverter; and a switching signal generation part controlling an operation state of each of the first and second heating parts from the inverter according to an operation mode inputted from the outside. The switching signal generation part includes a pulse transformer.

Abstract translation: 提供一种感应加热烹调设备。 感应加热烹调设备包括整流部分，对输入电压进行整流以输出DC电压; 逆变器切换通过整流部输出的直流电压，生成交流电压; 由逆变器施加的交流电压操作的第一加热部; 第二加热部并联连接到第一加热部，第二加热部由从逆变器施加的AC电压进行动作; 以及切换信号生成部，根据从外部输入的操作模式，从逆变器控制第一加热部和第二加热部各自的动作状态。 开关信号生成部包括脉冲变压器。