KR960009946A - Insulated Rice Cooker Power Supply - Google Patents

Insulated Rice Cooker Power Supply Download PDF

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Publication number
KR960009946A
KR960009946A KR1019940024088A KR19940024088A KR960009946A KR 960009946 A KR960009946 A KR 960009946A KR 1019940024088 A KR1019940024088 A KR 1019940024088A KR 19940024088 A KR19940024088 A KR 19940024088A KR 960009946 A KR960009946 A KR 960009946A
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KR
South Korea
Prior art keywords
voltage
power
generating means
input
triangular wave
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Application number
KR1019940024088A
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Korean (ko)
Inventor
이응화
Original Assignee
김광호
삼성전자 주식회사
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Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019940024088A priority Critical patent/KR960009946A/en
Publication of KR960009946A publication Critical patent/KR960009946A/en

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Abstract

본 발명은 온도와 전원전압의 변동에 관계없이 안정된 출력전력을 공급할 수 있는 보온밥솥의 전원공급장치에 관한 것으로써, 교류전원입력단의 변화하는 전원전압을 감지하는 입력전압감지수단과, 삼각파전압을 발생하는 삼각파발생수단과, 상기 입력전압감지수단에 의해 감지된 전원전압에 비례하는 직류기준전압 및 상기 삼각파발생수단으로부터 출력되는 삼각파전압을 비교하여 상기 교류전원입력단의 변화하는 전원전압이 정상전압인지를 판단하도록 듀티가 별화된 펄스신호를 출력하는 펄스발생수단과, 상기 펄스발생수단으로부터 출력되는 펄스신호에 다라 출력전압을 ㅂ정하도록 구동신호를 발생하는 구동신호발생수단과, 상기 구동신호발생수단으로부터 출력되는 구성신호에 따라 상기 교류전원입력단으로부터 입력되는 전원전압을 받아서 발열하는 가열수단으로 이루어진 것을 특징으로 한다.The present invention relates to a power supply of a thermal rice cooker capable of supplying a stable output power regardless of temperature and power voltage fluctuation, the input voltage sensing means for detecting a changing power voltage of the AC power input stage, and the triangular wave voltage Comparing the generated triangular wave generating means with a DC reference voltage proportional to the power supply voltage sensed by the input voltage detecting means and the triangular wave voltage output from the triangular wave generating means to determine whether the alternating power voltage at the AC power input terminal is a normal voltage. Pulse generating means for outputting a pulse signal of which duty is differentiated so as to be determined, drive signal generating means for generating a drive signal to set an output voltage according to the pulse signal output from the pulse generating means, and from the drive signal generating means. The power voltage input from the AC power input terminal according to the output configuration signal Arthur and is characterized by being a heating means for heating.

Description

보온밥솥의 전원공급장치Insulated Rice Cooker Power Supply

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

Claims (3)

보온밥솥에 있어서, 교류전원입력단의 변화하는 전원전압을 감지하는 입력전압감지수단과, 삼각파전압을 발생하는 삼각파발생수단과, 상기 입력전압감지수단에 의해 감지된 전원전압에 비례하는 직류기준전압 및 상기 삼각파발생수단으로부터 출력되는 삼각파전압을 비교하여 상기 교류전원입력단의 변화하는 전원전압이 정상전압인지를 판단하도록 듀티가 변화된 펄스신호를 출력하는 펄스발생수단과, 상기 펄스발생수단으로부터 출력되는 펄스신호에 따라 출력전압을 보정하도록 구동신호 발생하는 구동신호발생수단과, 상기 구동신호발생 수단으로부터 출력되는 구동신호에 따라 상기 교류전원입력단으로부터 입력되는 전원전압을 받아서 발열하는가열수단으로 이루어진 것을 특징으로 하는 보온밥솥의 전원공급장치.In a warm rice cooker, an input voltage sensing means for sensing a changing power voltage of an AC power input stage, a triangular wave generating means for generating a triangular wave voltage, a DC reference voltage proportional to a power supply voltage detected by the input voltage detecting means, and Pulse generating means for outputting a pulse signal having a changed duty to determine whether the changing power supply voltage of the AC power input terminal is a normal voltage by comparing the triangular wave voltage output from the triangular wave generating means, and a pulse signal output from the pulse generating means Drive signal generating means for generating a drive signal to correct the output voltage according to the present invention, and heating means for generating heat by receiving a power voltage input from the AC power input terminal according to the drive signal output from the drive signal generating means. Insulated rice cooker power supply. 제1항에 있어서, 상기 입력전압감지수단은 상기 교류전원입력단으로부터 입력되는 전원전압을 반파정류 하는 다이오드(Dl)와, 상기 다이오드(Dl)에 의해 반파정류된 직류전압을 리플전압으로 변환시키는 저항(R1, VR1) 및 캐피시터(C1)와, 상기 저항(R1,VR1) 및 캐패시터(C1)에 의해 변환된 리플전압에 포함되어 있는 직류성분을 필터링하는 캐패시터와(C2), 상기 캐패시터 (C2)에 의해 직류성분이 핀터링된 리플전압에 포함되어 있는 리플성분을 제거하여 직류기준전압을 발생하는 평활용 캐패시터 (C3)와, 상기 다이오드(Dl)에 의해 반파 정류된 교류전압에 포함되어 있는 교류성분을 제거하는 저항(R2)과, 상기 저항(R2)을 통해 일정 Vcc전압이 형성되도록 상기 제항(R2)에 직렬접속된 제너다이오드(ZD1)로 구성되어 있는 것을 특징으로 하는 보온밥솥의 전원공급장치 .The method of claim 1, wherein the input voltage sensing means comprises: a diode (Dl) for half-wave rectifying the power voltage input from the AC power input terminal, and a resistor for converting the half-wave rectified DC voltage by the diode (Dl) into a ripple voltage. A capacitor (C2) for filtering DC components included in the ripple voltages converted by the resistors (R1, VR1) and capacitors (C1) and the resistors (R1, VR1) and capacitors (C1), and the capacitor (C2); The smoothing capacitor C3 generates a DC reference voltage by removing the ripple component included in the ripple voltage of which the DC component is pintered by the AC component, and the AC included in the AC voltage half-wave rectified by the diode Dl. Power supply of the thermostat rice cooker comprising a resistor (R2) for removing the component and a zener diode (ZD1) connected in series to the claim (R2) so that a constant Vcc voltage is formed through the resistor (R2) Device . 제1항에 있어서, 상기 구동신호발생수단은 상기 펄스발생수단의 포토커플러 온시에 충 · 방전하는 캐패시터(C6)와, 상기 캐패시터(C6)의 충 · 방전상태에 따라 온/오프되는 다이악(DIAC1)과, 상기 다이악(DIAC1)의 온시에 상기 캐패시터(C6)의 충전속도에 따라 상기 교류전원입력단(1)으로부터 입력되는 전원전압의 위상을 제어하도록 구동하는 트라이악(TRIAC1)과, 상기 트라이악(TRIAC1)의 구동신호에 포함되어 있는 노이즈성분을 제거하여 상기 트라이 악(TRIAC1)을 보호하는 스누버 회로부로 구성되 어 있는 것을 특징 으로 하는 보온밥솥의 전원공급장치.The method of claim 1, wherein the driving signal generating means is a capacitor (C6) for charging and discharging when the photocoupler of the pulse generating means, and the diaak (ON / OFF according to the charging and discharging state of the capacitor C6) DIAC1), a triac (TRIAC1) which drives to control the phase of the power voltage input from the AC power input terminal (1) according to the charging speed of the capacitor (C6) when the diaak (DIAC1) is on; And a snubber circuit unit which protects the triac (TRIAC1) by removing noise components included in the driving signal of the triac (TRIAC1). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940024088A 1994-09-24 1994-09-24 Insulated Rice Cooker Power Supply KR960009946A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940024088A KR960009946A (en) 1994-09-24 1994-09-24 Insulated Rice Cooker Power Supply

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Application Number Priority Date Filing Date Title
KR1019940024088A KR960009946A (en) 1994-09-24 1994-09-24 Insulated Rice Cooker Power Supply

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KR960009946A true KR960009946A (en) 1996-04-20

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KR1019940024088A KR960009946A (en) 1994-09-24 1994-09-24 Insulated Rice Cooker Power Supply

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100926050B1 (en) * 2002-10-02 2009-11-11 주식회사 부방테크론 Driving circuit for Electric Iron Pot
KR101989873B1 (en) * 2018-07-13 2019-06-17 홍진표 Electric grill

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100926050B1 (en) * 2002-10-02 2009-11-11 주식회사 부방테크론 Driving circuit for Electric Iron Pot
KR101989873B1 (en) * 2018-07-13 2019-06-17 홍진표 Electric grill

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