KR970058341A - Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control - Google Patents

Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control Download PDF

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Publication number
KR970058341A
KR970058341A KR1019950059756A KR19950059756A KR970058341A KR 970058341 A KR970058341 A KR 970058341A KR 1019950059756 A KR1019950059756 A KR 1019950059756A KR 19950059756 A KR19950059756 A KR 19950059756A KR 970058341 A KR970058341 A KR 970058341A
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KR
South Korea
Prior art keywords
output control
electromagnetic induction
inverter
induction heating
cooking device
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Application number
KR1019950059756A
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Korean (ko)
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KR100198302B1 (en
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정용채
노희석
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구자홍
Lg 전자 주식회사
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Priority to KR1019950059756A priority Critical patent/KR100198302B1/en
Publication of KR970058341A publication Critical patent/KR970058341A/en
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Publication of KR100198302B1 publication Critical patent/KR100198302B1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/04—Sources of current
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)

Abstract

본 발명은 전자 유도가열 조리기 있어, 하나의 인버터를 이용하여 다수개의 가열판을 가열시키고자 하는 것으로, 시분할 제어를 통하여 다수개의 가열판을 각각 가열시킬 수 있도록 하여 간섭음에 의한 문제를 방지하고, 소프트 스위칭 방식을 이용 스위칭 손실을 줄일 수 있도록 한 다출력 제어를 위한 공진형 전자유도 가열 조리 장치에 관한 것이다.The present invention is an electromagnetic induction heating cooker, which is intended to heat a plurality of heating plates using a single inverter, it is possible to heat each of the plurality of heating plates through time division control to prevent problems caused by interference sound, soft switching The present invention relates to a resonant electromagnetic induction heating cooking device for multi-output control to reduce switching loss using the method.

종래 주파수 제어에 의한 경우 인접한 워킹 코일 사이에 동작주파수의 차이에 의한 간섭음이 발생하게 되어 워킹 코일의 정확한 출력제어가 이루어지지 않게 되면, 도한 각각의 구성된 인버터만큼 정류수단과 입력단의 정류수단으로부터의 전압을 평활 및 필터링하게 되는 L,G필터를 구성하여야 만 하므로서, 전체 회로가 복잡하게 되며, 기기구성에의 경제성이 결여되는 문제점이 발생하게 된다.In the conventional frequency control, when the interference sound is generated by the difference in the operating frequency between adjacent working coils, and the accurate output control of the working coils is not achieved, the rectifying means and the rectifying means of the rectifying unit are configured as much as the respective inverters. Since the L and G filters for smoothing and filtering voltages must be configured, the entire circuit becomes complicated and there is a problem in that the economy of device configuration is lacking.

본 발명은 다출력 제어를 위한 전자유도 가열 조리 장치에 있어서 발생되는 상기와 같은 문제점을 해결하기 위하여 다수개의 인버터 모듈을 병렬로 접속시켜 하나의 인버터회로를 구성하고, 공통된 정류수단으로부터 인가된 DC전원에 시분할 제어를 통하여 각각의 인버터 모듈을 제어하여 다출력 제어가 이루어지도록 하므로서, 회로 구성요소를 최소화하며, 다출력 제어시 발생되는 간섭음을 방지하고, 또한 소프트 스위칭 방식을 이용하여 스위칭 손실을 최소화 하므로서, 저소음의 특징을 가질 뿐만 아니라 인버터의 크기 및 경제성을 향상시킬 수 있게 되는 것이다.The present invention constitutes one inverter circuit by connecting a plurality of inverter modules in parallel to solve the above problems generated in the electromagnetic induction heating cooking device for multi-output control, DC power applied from a common rectifying means Each inverter module is controlled through time division control to achieve multi-output control, minimizing circuit components, preventing interference noise generated during multi-output control, and minimizing switching loss by using a soft switching method. Therefore, it is possible not only to have the characteristics of low noise, but also to improve the size and economy of the inverter.

Description

다출력제어를 위한 공진형 전자유도 가열 조리 장치Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명 다출력 제어를 위한 공진형 전자유도 가열 조리 장치의 구성을 보인 회로도,2 is a circuit diagram showing the configuration of a resonant type electromagnetic induction heating cooking device for multi-output control of the present invention;

제3도는 본 발명 다출력 제어를 위한 공진형 전자유도 가열 조리 장치에 있어서, (가)와 (나)는 스위칭 파형도, (다)는 도면 (가)와 (나)의 스위칭 파형에 의한 워킹 코일의 전류변화 파형도, (라)는 공진콘덴서의 전압파형도.3 is a resonant electromagnetic induction heating cooking apparatus for the multi-output control of the present invention, (a) and (b) is a switching waveform diagram, (c) is a walking waveform by the switching waveform of (a) and (b). (C) Waveform diagram of current change of coil, (D) is voltage waveform of resonant capacitor.

Claims (3)

전우너공급수단과, 공급된 전원의 정류수단과, 별도의 스위칭전압을 입력받아 스위칭동작하여 상기 정류수단으로부터 정류된 전원을 입력받아 가열판을 가열시키는 다수의 인버터 모듈이 병렬접속되어 구성되는 인버터 회로로서 이루어지는 것을 특징으로 하는 다출력 제어를 위한 공진형 전자유도 가열 조리 장치.Inverter circuit configured by parallel connection of all-inner supply means, rectifying means of the supplied power supply, and a plurality of inverter modules for heating the heating plate by receiving a separate switching voltage and receiving a rectified power from the rectifying means. Resonant type electromagnetic induction heating cooking device for multi-output control, characterized in that consisting of. 제1항에 있어서, 상기 인버터 모듈(13A)은 별도의 스위칭 전원에 의해 스위칭 제어되는 트랜지스터(Q11,Q12)와, 상기 트랜지스터(Q11,Q12)의 보호용 다이오드(D11,D12)와, 워킹 코일(L12)과 공진하는 보조 공진용 콘덴서(C12)와, 워킹 코일(L12)과 공진하게 되는 콘덴서(C13)와, 상기 콘덴서(C13)의 보호용 다이오드(D13)와, 상기 트랜지스터(Q11,Q12)의 스위칭에 따라 콘덴서(C12,13)와 공진하여 가열판을 가열시키는 워킹 코일(L12)의 구성요소를 포함하는 것을 특징으로 하는 다출력 제어를 위한 공진형 전자유도 가열 조리 장치.2. The inverter module 13A of claim 1, wherein the inverter module 13A includes switching transistors Q11 and Q12 controlled by separate switching power supplies, protective diodes D11 and D12 of the transistors Q11 and Q12, and a working coil. The auxiliary resonance capacitor C12 resonating with L12, the capacitor C13 resonating with the working coil L12, the protective diode D13 of the capacitor C13, and the transistors Q11, Q12 Resonant type electromagnetic induction heating cooking device for multi-output control, characterized in that it comprises a component of the working coil (L12) for heating the heating plate by resonating with the condenser (C12, 13) in accordance with the switching. 제1항에 있어서, 상기 인버터 모듈간의 출력제어는 시분할 제어를 통하여 이루어지는 것을 특징으로 하는 다출력 제어를 위한 공진형 전자유도 가열 조리 장치.The resonant type electromagnetic induction heating cooking device according to claim 1, wherein the output control between the inverter modules is performed through time division control. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950059756A 1995-12-27 1995-12-27 Resonance type induction heating cooker KR100198302B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950059756A KR100198302B1 (en) 1995-12-27 1995-12-27 Resonance type induction heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950059756A KR100198302B1 (en) 1995-12-27 1995-12-27 Resonance type induction heating cooker

Publications (2)

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KR970058341A true KR970058341A (en) 1997-07-31
KR100198302B1 KR100198302B1 (en) 1999-06-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2506668B1 (en) * 2011-03-28 2017-09-06 Samsung Electronics Co., Ltd. Control method of induction heating cooker

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