KR970032278A - High Frequency Induction Heating Cooker - Google Patents

High Frequency Induction Heating Cooker Download PDF

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Publication number
KR970032278A
KR970032278A KR1019950043779A KR19950043779A KR970032278A KR 970032278 A KR970032278 A KR 970032278A KR 1019950043779 A KR1019950043779 A KR 1019950043779A KR 19950043779 A KR19950043779 A KR 19950043779A KR 970032278 A KR970032278 A KR 970032278A
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KR
South Korea
Prior art keywords
voltage
gate driver
induction heating
input terminal
buffer
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KR1019950043779A
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Korean (ko)
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KR0175205B1 (en
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이종학
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이종학
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Priority to KR1019950043779A priority Critical patent/KR0175205B1/en
Publication of KR970032278A publication Critical patent/KR970032278A/en
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Publication of KR0175205B1 publication Critical patent/KR0175205B1/en

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Classifications

    • 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

Abstract

본 발명은 상용교류전원 고주파 유도가열 조리장치에 관한 것으로서, 고주파 유도가열 조리장치의 내부구성부를 간소화시키고 제품의 생산단가를 절감하기 위하여, 대상물을 가열하는 유도가열코일과, 유도가열코일에 인가되는 상용직류전압을 스위칭하도록 직렬연결된 한쌍의 제1 및 제2인버터트랜지스터, 및 외부에서 인가된 펄스신호를 안정화시키는 버퍼를 구비하는 고주파 유도가열 조리장치에 있어서; 상용직류전압을 인가받아 소정크기의 구동전압을 발생하는 정전압발생부; 상기 정전압발생부에서 발생된 구동전압을 충전하는 충전전류공급다이오드 및 충전커패시터; 상기 충전커패시터로부터 방전된 방전전압을 인가받아 구동되어 상기 버퍼로부터 인가된 제어신호에 따라 상기 제1인버터트랜지스터의 구동상태를 제어하는 제1게이트구동부; 상기 정전압발생부에서 발생된 정전압을 인가받아 구동되어 상기 버퍼로부터 인가된 제어신호에 따라 상기 제2인버터트랜지스터의 구동상태를 제어하는 제2게이트구동부; 상기 제1게이트구동부의 신호입력단에 걸리는 과중한 부전압을 바이패스하여 제1게이트구동부의 입력단을 보호하는 부전압 흡수 다이오드; 및 제1게이트구동부 입력단과 제2게이트구동부 입력단 사이의 높은 전위차를 홉수하여 완충하는 전압완충저항을 구비하였다.The present invention relates to a high-frequency induction heating cooking apparatus for commercial AC power, in order to simplify the internal components of the high-frequency induction heating cooking apparatus and reduce the production cost of the product, the induction heating coil for heating the object and the induction heating coil is applied to A high frequency induction heating cooking device comprising a pair of first and second inverter transistors connected in series to switch a commercial DC voltage, and a buffer for stabilizing an externally applied pulse signal; A constant voltage generator configured to receive a commercial DC voltage and generate a driving voltage having a predetermined size; A charge current supply diode and a charge capacitor charging the driving voltage generated by the constant voltage generator; A first gate driver configured to be driven by receiving a discharge voltage discharged from the charging capacitor to control a driving state of the first inverter transistor according to a control signal applied from the buffer; A second gate driver configured to be driven by receiving the constant voltage generated by the constant voltage generator to control a driving state of the second inverter transistor according to a control signal applied from the buffer; A negative voltage absorbing diode for protecting an input terminal of the first gate driver by bypassing an excessive negative voltage applied to the signal input terminal of the first gate driver; And a voltage buffer resistor that buffers a high potential difference between the first gate driver input terminal and the second gate driver input terminal by hops.

Description

고주파 유도가열 조리장치High Frequency Induction Heating Cooker

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

제3도는 본 발명에 의한 220볼트용 고주파 유도가열 조리장치를 나타내는 회로도이다.3 is a circuit diagram showing a high-frequency induction heating cooking device for 220 volts according to the present invention.

Claims (3)

대상물을 가열하는 유도가열코일과, 유도가열코일에 인가되는 상용직류전압을 스위칭하도록 직렬연결된 한쌍의 제1 및 제2 인버터트랜지스터, 및 외부에서 인가된 펄스신호를 안정화시키는 버퍼를 구비하는 상용교류전원고주파 유도가열 조리장치에 있어서; 상용직류전압을 인가받아 소정크기의 구동전압을 발생하는 정전압 발생부; 상기 정전압발생부에서 발생된 구동전압을 충전하는 충전전류공급 다이오드 및 충전커패시터; 상기 충전커패시터로부터 방전된 방전전압을 인가받아 구동되어 상기 버퍼로부터 인가된 제어신호에 따라 상기 제1인버터트랜지스터의 구동상태를 제어하는 제1게이트구동부; 상기 정전압발생부에서 발생된 정전압을 인가받아 구동되어 상기 버퍼로부터 인가된 제어신호에 따라 상기 제2인버터트랜지스터의 구동상태를 제어하는 제2게이트구동부; 및 상기 제1게이트구동부의 신호입력단에 걸리는 과중한 부전압을 바이패스하여 제1게이트구동부의 입력단을 보호하는 부전압 흡수 다이오드; 및 제1게이트구동부 입력단과 제2게이트구동부 입력단 사이의 높은 전위차를 흡수하여 완충하는 전압완충저항을 구비하는 고주파 유도가열 조리장치.A commercial AC power supply having an induction heating coil for heating an object, a pair of first and second inverter transistors connected in series to switch a commercial DC voltage applied to the induction heating coil, and a buffer for stabilizing an externally applied pulse signal. In the high frequency induction heating cooking apparatus; A constant voltage generator configured to receive a commercial DC voltage and generate a driving voltage having a predetermined size; A charge current supply diode and a charge capacitor charging the driving voltage generated by the constant voltage generator; A first gate driver configured to be driven by receiving a discharge voltage discharged from the charging capacitor to control a driving state of the first inverter transistor according to a control signal applied from the buffer; A second gate driver configured to be driven by receiving the constant voltage generated by the constant voltage generator to control a driving state of the second inverter transistor according to a control signal applied from the buffer; And a negative voltage absorbing diode which bypasses an excessive negative voltage applied to the signal input terminal of the first gate driver to protect the input terminal of the first gate driver. And a voltage buffering resistor for absorbing and buffering a high potential difference between the first gate driver input terminal and the second gate driver input terminal. 제1항에 있어서, 상기 제1 및 제2게이트 구동부와 상기 부전압 흡수다이오드 및 전압완충저항은, 상기 제1 및 제2인버터트랜지스터의 구동상태를 제어하는 각각의 포토커플러로 대체 구성함을 특징으로 하는 고주파 유도가열조리장치.The method of claim 1, wherein the first and second gate drivers, the negative voltage absorbing diode, and the voltage buffer resistor are replaced by respective photocouplers for controlling driving states of the first and second inverter transistors. High frequency induction heating cooking apparatus. 제1항에 있어서, 상기 정전압발생부와 충전전류공급다이오드 및 충전커패시터는, 상기 제1 및 제2게이트구동부에 각각의 구동전압을 공급하도록 한쌍의 이차권선을 갖는 트랜스포머로 대체 구성함을 특징으로 하는 고주파 유도가열 조리장치.The method of claim 1, wherein the constant voltage generating unit, the charging current supply diode and the charging capacitor are replaced by a transformer having a pair of secondary windings to supply respective driving voltages to the first and second gate driving units. High frequency induction cooker. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950043779A 1995-11-25 1995-11-25 Induction heating cooker KR0175205B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950043779A KR0175205B1 (en) 1995-11-25 1995-11-25 Induction heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950043779A KR0175205B1 (en) 1995-11-25 1995-11-25 Induction heating cooker

Publications (2)

Publication Number Publication Date
KR970032278A true KR970032278A (en) 1997-06-26
KR0175205B1 KR0175205B1 (en) 1999-05-01

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Application Number Title Priority Date Filing Date
KR1019950043779A KR0175205B1 (en) 1995-11-25 1995-11-25 Induction heating cooker

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KR0175205B1 (en) 1999-05-01

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