KR910010160A - Weight Sensor Error Correction Circuit and Method of Microwave Oven - Google Patents

Weight Sensor Error Correction Circuit and Method of Microwave Oven Download PDF

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Publication number
KR910010160A
KR910010160A KR1019890017640A KR890017640A KR910010160A KR 910010160 A KR910010160 A KR 910010160A KR 1019890017640 A KR1019890017640 A KR 1019890017640A KR 890017640 A KR890017640 A KR 890017640A KR 910010160 A KR910010160 A KR 910010160A
Authority
KR
South Korea
Prior art keywords
error correction
correction circuit
resistor
sensor error
microwave oven
Prior art date
Application number
KR1019890017640A
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Korean (ko)
Other versions
KR0126672B1 (en
Inventor
한경해
Original Assignee
이헌조
주식회사 금성사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019890017640A priority Critical patent/KR0126672B1/en
Publication of KR910010160A publication Critical patent/KR910010160A/en
Application granted granted Critical
Publication of KR0126672B1 publication Critical patent/KR0126672B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Ovens (AREA)

Abstract

내용 없음No content

Description

전자레인지의 중량센서 오차 보정회로 및 방법Weight Sensor Error Correction Circuit and Method of Microwave Oven

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

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

제2도는 본 발명에 따른 전자레인지의 구조도.2 is a structural diagram of a microwave oven according to the present invention.

제3도 마이콤에서 감지하는 본 발명의 단위 파형도.3 is a unit waveform diagram of the present invention detected by the microcomputer.

Claims (2)

센서(S1)로 접지되는 오피앰프(2)의 반전단자는 저항(R1)(R2)과 다이오드(D1)(D2)를 통해 출력단에 연결하고 비반전단자는 가변저항(VR1)의 중간단자를 통해 접지하여 저항(R3)으로 출력단과 접속하며 오피앰프(2)의 출력단은 버퍼로 구성된 오피앰프(3)와 저항(R4)을 거쳐 트랜지스터(TR1)의 베이스에 연결하여서 트랜지스터(TR1)의 온-어프로 마이콤(1)의 중량감지포트(INT1)에 구형파 펄스를 인가하여 마이콤(1)의 입력신호감지 프로그램을 구동시키는 것을 특징으로 하는 전자레인지의 중량센서 오차보정회로 및 방법.The inverting terminal of the op amp 2 grounded by the sensor S 1 is connected to the output terminal through a resistor R 1 (R 2 ) and a diode D 1 (D 2 ), and the non-inverting terminal is a variable resistor (VR). to ground through the intermediate terminal of the first) resistor (R 3), the base of the output stage and the connected and the operational amplifier (2), operational amplifier (3) and the resistor (transistor (TR 1) through R 4) the output stage is configured as a buffer of A square wave pulse is applied to the weight sensing port INT 1 of the on-apro micom 1 of the transistor TR 1 to drive the input signal sensing program of the microcomputer 1. Sensor error correction circuit and method. 특허청구범위의 제1항에 있어서 마이콤(1)에 내장되는 입력신호감지프로그램은 중량감지포트(INT1)로 인가되는 구형파 펄스의 주기(T1)(T2)(T3)를 시간적으로 카운트하여 각 주기의 차이가 임의로 정한 일정오차(K)보다 작을 경우에는 각 주기의 평균치(T4)에 각 키에 따른 일정 상수(F)를 곱한시간(T5)만큼한 전자레인지 내의 릴레이를 구동시켜 마이크로파 요리가 가능토록 하는 것을 특징으로 하는 전자레인지의 중량센서 오차보정회로 및 방법.The input signal sensing program built in the microcomputer 1 according to claim 1 counts the period T 1 (T 2 ) (T 3 ) of a square wave pulse applied to the weight sensing port INT 1 in time. and smaller than the predetermined error (K) difference is arbitrarily set for each cycle, driving the relay in a microwave oven by a time (T 5) multiplied by a predetermined constant (F) corresponding to each key to the average value (T 4) of each cycle, Microwave weight sensor error correction circuit and method characterized in that to enable microwave cooking. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890017640A 1989-11-30 1989-11-30 Error-compensating circuit and method for weighing sensor of electronic range KR0126672B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890017640A KR0126672B1 (en) 1989-11-30 1989-11-30 Error-compensating circuit and method for weighing sensor of electronic range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890017640A KR0126672B1 (en) 1989-11-30 1989-11-30 Error-compensating circuit and method for weighing sensor of electronic range

Publications (2)

Publication Number Publication Date
KR910010160A true KR910010160A (en) 1991-06-29
KR0126672B1 KR0126672B1 (en) 1997-12-29

Family

ID=19292388

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890017640A KR0126672B1 (en) 1989-11-30 1989-11-30 Error-compensating circuit and method for weighing sensor of electronic range

Country Status (1)

Country Link
KR (1) KR0126672B1 (en)

Also Published As

Publication number Publication date
KR0126672B1 (en) 1997-12-29

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