KR950008794A - The laundry volume detection circuit of the washing machine - Google Patents

The laundry volume detection circuit of the washing machine Download PDF

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Publication number
KR950008794A
KR950008794A KR1019930019991A KR930019991A KR950008794A KR 950008794 A KR950008794 A KR 950008794A KR 1019930019991 A KR1019930019991 A KR 1019930019991A KR 930019991 A KR930019991 A KR 930019991A KR 950008794 A KR950008794 A KR 950008794A
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KR
South Korea
Prior art keywords
laundry
processor
voltage
switching
positive voltage
Prior art date
Application number
KR1019930019991A
Other languages
Korean (ko)
Other versions
KR960014248B1 (en
Inventor
김승환
Original Assignee
배순훈
대우전자 주식회사
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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Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019930019991A priority Critical patent/KR960014248B1/en
Publication of KR950008794A publication Critical patent/KR950008794A/en
Application granted granted Critical
Publication of KR960014248B1 publication Critical patent/KR960014248B1/en

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/44—Current or voltage
    • D06F2103/46—Current or voltage of the motor driving the drum

Abstract

본 발명은 세탁기에서 세탁물의 양을 감지하기 위한 회로에 관한 것으로, 특히 세탁조 구동모터가 관성회전할때 세탁조 모터에 유기되는 전압을 펄스로 변환하여 이 펄스로 세탁물의 양을 판단하게 한 세탁기의 세탁물 양감지 회로에 관한 것이다.The present invention relates to a circuit for detecting an amount of laundry in a washing machine, and more particularly, a laundry of a washing machine that converts a voltage induced in the washing tank motor into a pulse when the washing tank driving motor rotates inertia to determine the amount of laundry by the pulse. It relates to a positive sensing circuit.

건상태의 세탁물을 소정시간 동안 구동후 회전관성에 의한 모터 양단의 감소되는 양(+)전압을 받아 양전압에서 스위칭 신호를 출력하는 양(+)전압 처리부와, 상기 모터 양단의 감소되는 부(-)전압을 받아 부전압에서 스위칭 온 신호를 출력하는 부(-)전압처리부와, 상기 처리부의 스위칭 신호를 받아 스위칭되어 펄스를 생성하는 스위칭 펄스발생수단과, 상기 스위칭 펄스 발생 수단의 출력을 받아 세탁물의 양을 판단하는 마이크로 컴퓨터로 구성되며, 상기 양전압 처리부는 포토커플러와, 이에 정전류를 공급하는 정전류원과 양전압에 대해 턴-온하는 다이오드로 구성되고, 상기 부전압처리부는 부전압에 대해 턴온되는 다이오드와, 다이오드에 연결된 포토커플러로 구성된 것을 특징으로 하는 세탁기의 세탁물 양검지회로.A positive voltage processor which receives a positive voltage which is reduced at both ends of the motor by rotational inertia and outputs a switching signal at both voltages after driving dry laundry for a predetermined time, and a negative part which is reduced at both ends of the motor ( A negative voltage processor for receiving a voltage and outputting a switching-on signal at a negative voltage, a switching pulse generating means for receiving a switching signal of the processor to be switched to generate a pulse, and receiving the output of the switching pulse generating means It consists of a microcomputer for determining the amount of laundry, the positive voltage processor is composed of a photocoupler, a constant current source for supplying a constant current and a diode to turn on the positive voltage, the negative voltage processor is applied to the negative voltage The laundry turning detection circuit of the washing machine, characterized in that consisting of a diode turned on, and a photocoupler connected to the diode.

Description

세탁기의 세탁물 양 검지회로The laundry volume detection circuit of the washing machine

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

제2도는 본 발명에 따른 세탁기의 세탁물 량 검지회로도,2 is a laundry detection circuit diagram of a washing machine according to the present invention,

제5도는 제2도의 회로에 의해서 부하시 검출되는 펄스파형도이다.FIG. 5 is a pulse waveform diagram detected under load by the circuit of FIG.

Claims (4)

건상태에 세탁물을 소정시간 동안 구동후 회전관성에 의한 모터 양단의 감소되는 양(+)전압을 받아 양전압에서 스위칭 신호를 출력하는 양(+)전압 처리부와, 상기 모터 양단의 감소되는 부(-)전압을 받아 부전압에서 스위칭 온 신호를 출력하는 부(-)전압 처리부와, 상기 처리부의 스위칭 신호를 받아 스위칭되어 펄스를 생성하는 스위칭 펄스발생수단과, 상기 스위칭 펄스 발생 수단의 출력을 받아 세탁물의 양을 판단하는 마이크로 컴퓨터로 구성되며, 상기 양전압 처리부는 포토커플러와, 이에 정전류를 공급하는 정전류원과, 양전압에 대해 턴-온하는 다이오드로 구성되고, 상기 부전압처리부는 부전압에 대해 턴온되는 다이오드와, 다이오드에 연결된 포토커플러로 구성된 것을 특징으로 하는 세탁기의 세탁물 양검지회로.After driving the laundry in the dry state for a predetermined time, a positive voltage processor for receiving a positive voltage of both ends of the motor by the rotational inertia and outputting a switching signal at both voltages; A negative voltage processor for receiving a voltage and outputting a switching-on signal at a negative voltage, a switching pulse generating means for receiving a switching signal of the processor to be switched to generate a pulse, and receiving the output of the switching pulse generating means It consists of a microcomputer for determining the amount of laundry, the positive voltage processor is composed of a photocoupler, a constant current source for supplying a constant current, and a diode to turn on the positive voltage, the negative voltage processor is a negative voltage The laundry turning detection circuit of the washing machine, characterized in that consisting of a diode turned on for, and a photocoupler connected to the diode. 제1항에 있어서, 상기 스위칭 펄스 발생 수단은 트랜지스터로 구성됨을 특징으로 하는 세탁기의 세탁물 양 검지회로.The laundry amount detection circuit of a washing machine according to claim 1, wherein the switching pulse generating means comprises a transistor. 제1항에 있어서, 상기 부전압 처리부는 양전압에 대한 출력펄스와 이격되도록 제너다이오드를 포함하여 지연된 펄스를 생성하게 함을 특징으로 하는 세탁기의 세탁물 양 검지회로.The washing amount detection circuit of claim 1, wherein the negative voltage processor includes a zener diode to generate a delayed pulse so as to be spaced apart from an output pulse for a positive voltage. 제1항에 있어서, 상기 양전압 처리부는 모터 정지후 리플전압을 무시하도록 제너다이오드를 또한 포함하는 것을 특징으로 하는 세탁기의 세탁물 양 검지회로.The laundry quantity detection circuit according to claim 1, wherein the positive voltage processor further includes a zener diode to ignore the ripple voltage after the motor stops. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930019991A 1993-09-28 1993-09-28 Laundry quantity detecting circuit for a washing machine KR960014248B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930019991A KR960014248B1 (en) 1993-09-28 1993-09-28 Laundry quantity detecting circuit for a washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930019991A KR960014248B1 (en) 1993-09-28 1993-09-28 Laundry quantity detecting circuit for a washing machine

Publications (2)

Publication Number Publication Date
KR950008794A true KR950008794A (en) 1995-04-19
KR960014248B1 KR960014248B1 (en) 1996-10-14

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ID=19364803

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930019991A KR960014248B1 (en) 1993-09-28 1993-09-28 Laundry quantity detecting circuit for a washing machine

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000043400A (en) * 1998-12-29 2000-07-15 전주범 Sensing method of distribution quantity using drying mobile mode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000043400A (en) * 1998-12-29 2000-07-15 전주범 Sensing method of distribution quantity using drying mobile mode

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Publication number Publication date
KR960014248B1 (en) 1996-10-14

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