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KR960043981A - Judging device for cooking vessel material of induction cooker - Google Patents

Judging device for cooking vessel material of induction cooker Download PDF

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Publication number
KR960043981A
KR960043981A KR1019950012079A KR19950012079A KR960043981A KR 960043981 A KR960043981 A KR 960043981A KR 1019950012079 A KR1019950012079 A KR 1019950012079A KR 19950012079 A KR19950012079 A KR 19950012079A KR 960043981 A KR960043981 A KR 960043981A
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KR
South Korea
Prior art keywords
container
voltage
cooking vessel
rectifying
induction heating
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Application number
KR1019950012079A
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Korean (ko)
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KR0152839B1 (en
Inventor
권경안
김정태
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구자홍
Lg 전자 주식회사
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Priority to KR1019950012079A priority Critical patent/KR0152839B1/en
Publication of KR960043981A publication Critical patent/KR960043981A/en
Application granted granted Critical
Publication of KR0152839B1 publication Critical patent/KR0152839B1/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
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • 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
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means

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

Abstract

본 발명은 유도가열조리기의 조리용기 재질판정장치에 관한 것으로, 종래에는 입력 교류전원이 부하측에 공급되는 전류의양을 검출하여 자성용기가 있는지 소물부하인지를 판정하여 자성용기일 경우 특정 주파수에서 유도가열을 하여 왔을 뿐그 판정한 용기가 어떤 재질로 이루어진 용기인지 알 수 없어서 특정 주파수로 유도가열조리를 행할 경우 자성용기는 별문제가 없으나 비자성 용기일 경우 유도가열조리를 수행하지 못하는 문제점이 있다. 따라서, 본 발명은 워킹코일 내면 또는 외면에 별도의 2차코일을 설치한 후 용기의 재질에 따라 다르게 유기되는 자계에너지를 전달받아 용기의 재질을 판정하고 그 판정된 재질의 용기에 맞는 주파수를 발생하여 요리가 진행되도록 한다.The present invention relates to a cooking vessel material determination device of an induction heating cooker, conventionally, the input AC power is detected by the amount of current supplied to the load side to determine whether it is a magnetic container or a small load, the magnetic container is induced at a specific frequency When the induction heating cooking at a specific frequency is not a problem because the container is made of only the material that has been determined that the heating has been heated, there is a problem that the induction heating cooking is not performed when the non-magnetic container. Therefore, in the present invention, after installing a separate secondary coil on the inner surface or the outer surface of the working coil, the magnetic field energy is differently transmitted according to the material of the container to determine the material of the container and generate a frequency suitable for the container of the determined material. To allow cooking to proceed.

Description

유도가열조리기의 조리용기 재질판정장치Judging device for cooking vessel material of induction cooker

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래 유도가열조리기의 가열장치 회로구성도, 제2도는 본 발명 유도가열조리기의 조리용기 재질판정장치 회로구성도.1 is a circuit diagram of a heating apparatus of a conventional induction heating cooker, FIG.

Claims (3)

입력되는 교류(AC)전원을 정류하여 변환된 직류전압을 제공하는 정류수단과, 상기 정류수단을 통해 제공된직류전압에 공진시키고 그 공진전압에 의해 발생된 자장에 의한 전기 유도효과로 가열되어질 조리용기에 와전류를 유도시켜 그 조리용기내의 음식을 원하는 가열온도로 가열하도록 하는 워킹코일과, 상기 정류수단에서 제공되는 직류전압을 스위칭제어신호에 따라 스위칭하여 상기 워킹코일에 공진전압을 제공하는 인버터수단과, 상기 인버터수단의 스위칭소자를제어하고자 하는 스위칭제어신호를 출력하는 구동수단을 구비한 전자조리기에 있어서, 상기 워킹코일에 2차코일을 설치한 후 각각의 조리용기에 따라 상기 2차코일에 용기재질에 따라 다르게 유도되는 전압을 맥동 직류전압으로 정류하는 정류수단과, 상기 정류수단을 통해 정류된 맥동 직류전압을 일정하게 평활하는 평활수단과, 상기 평활수단을 통해 평활된 아날로그의 직류전압을 디지털 값으로 변환하는 아날로그/디지털 변환수단과, 상기 아날로그/디지털 변환수단을 통해 변환된데이터 값으로 조리용기의 재질을 판정하고 그 판정된 재질상태에 따른 유도가열이 가능하도록 제어신호를 출력하는 마이크로컴퓨터와, 상기 마이크로컴퓨터의 제어출력에 따른 구동제어신호를 출력하는 인버터수단의 스위칭소자를 제어하도록하는 구동제어수단으로 구성된 것을 특징으로 하는 유도가열조리기의 조리용기 재질 판정장치.Rectifying means for rectifying the input AC power to provide a converted DC voltage, and a cooking vessel to be heated by the electric induction effect by the magnetic field generated by the resonance voltage provided by the rectifying means A working coil for inducing an eddy current to heat the food in the cooking vessel to a desired heating temperature, an inverter means for switching a DC voltage provided from the rectifying means according to a switching control signal to provide a resonance voltage to the working coil; In the electronic cooker having a drive means for outputting a switching control signal for controlling the switching element of the inverter means, after installing the secondary coil in the working coil and the container in the secondary coil according to each cooking vessel Rectifying means for rectifying the voltage induced differently according to the material to the pulsating DC voltage, and rectified through the rectifying means Smoothing means for smoothing the pulsating DC voltage constantly, analog / digital converting means for converting the analog DC voltage smoothed through the smoothing means into a digital value, and cooking with data values converted through the analog / digital converting means. A microcomputer for determining the material of the container and outputting a control signal to enable induction heating according to the determined material state, and for controlling the switching element of the inverter means for outputting a drive control signal according to the control output of the microcomputer. Cooking vessel material determination device of an induction heating cooker, characterized in that the drive control means. 제1항에 있어서, 마이크로컴퓨터는 워킹코일의 2차코일에 유도되는 에너지에 따라 용기를 판정하기 위한룩-업 테이블(LOOK-UP TABLE)이 구비되고 에너지가 작을 경우 자성용기로 판정하고 큰 에너지가 유기되면 비자성용기로판정하는 것을 특징으로 하는 유도가열조리기의 조리용기 재질판정장치The microcomputer is provided with a look-up table for determining a container according to the energy induced in the secondary coil of the working coil, and if the energy is small, the microcomputer determines that the magnetic container is a large energy. Determination device for cooking vessel material of an induction heating cooker, characterized in that the non-magnetic container is judged 제1항에 있어서, 2차코일은 워킹코일 내면 또는 외면, 상부 또는 하부에 설치하도록 한 것을 특징으로 하는 유도가열조리기의 조리용기 재질판정장치.2. The apparatus of claim 1, wherein the secondary coil is installed on an inner surface or an outer surface, an upper surface, or a lower portion of the working coil. ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the initial application.
KR1019950012079A 1995-05-16 1995-05-16 Cooking vessel material decision device for induction heating cooker KR0152839B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950012079A KR0152839B1 (en) 1995-05-16 1995-05-16 Cooking vessel material decision device for induction heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950012079A KR0152839B1 (en) 1995-05-16 1995-05-16 Cooking vessel material decision device for induction heating cooker

Publications (2)

Publication Number Publication Date
KR960043981A true KR960043981A (en) 1996-12-23
KR0152839B1 KR0152839B1 (en) 1998-12-15

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ID=19414566

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950012079A KR0152839B1 (en) 1995-05-16 1995-05-16 Cooking vessel material decision device for induction heating cooker

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101852609B1 (en) * 2016-10-12 2018-06-07 주식회사 하영테크놀로지 A induction heating cooker
TWI802230B (en) * 2022-01-18 2023-05-11 台灣松下電器股份有限公司 Judgment method of pot type

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