KR980002373A - How to Detect Voltage Fluctuations in a Washing Machine - Google Patents

How to Detect Voltage Fluctuations in a Washing Machine Download PDF

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Publication number
KR980002373A
KR980002373A KR1019960025616A KR19960025616A KR980002373A KR 980002373 A KR980002373 A KR 980002373A KR 1019960025616 A KR1019960025616 A KR 1019960025616A KR 19960025616 A KR19960025616 A KR 19960025616A KR 980002373 A KR980002373 A KR 980002373A
Authority
KR
South Korea
Prior art keywords
washing machine
detecting
time
input
detected
Prior art date
Application number
KR1019960025616A
Other languages
Korean (ko)
Other versions
KR100198325B1 (en
Inventor
송복남
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.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019960025616A priority Critical patent/KR100198325B1/en
Publication of KR980002373A publication Critical patent/KR980002373A/en
Application granted granted Critical
Publication of KR100198325B1 publication Critical patent/KR100198325B1/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
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors
    • 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 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • 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
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

본 발명은 세탁기에 입력되는 전압에 변동상태를 간단 용이하게 감지할 수 있도록 하는 세탁기의 전압변동감지방법에 관한 것으로, 본 발명은 세탁기의 전원입력단으로부터 입력되는 전원전압에 대하여 전원전압체크회로를 통해서 마이콤의 인터럽트단자에 입력되는 상하강 인터럽트펄스에 대하여 펄스폭의 시간을 감지하고, 이 감지된 펄스폭의 시간을 기설정된 소정의 시간과의 동일유무를 판단하여 동일하지 않을 경우 입력되는 전압에 변동이 있음을 감지할 수 있도록 한 것을 특징으로 한다.The present invention relates to a method of detecting a voltage variation of a washing machine, which can easily detect a variation state of a voltage input to a washing machine, The time of the pulse width is detected with respect to the vertical interruption pulse input to the interrupt terminal of the microcomputer and the time of the detected pulse width is judged to be the same as the predetermined time, Is detected.

Description

세탁기의 전압변동감지방법How to Detect Voltage Fluctuations in a Washing Machine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 종래의 세탁기의 전원주파수체크 회로도.1 is a power supply frequency check circuit diagram of a conventional washing machine.

제2도는 본 발명이 적용된 세탁기의 전원주파수체크 회로도.FIG. 2 is a power supply frequency check circuit diagram of a washing machine to which the present invention is applied.

제3도는 본 발명 입력전압에 대한 입출력 파형도로서.FIG. 3 is an input / output waveform diagram for the input voltage of the present invention. FIG.

제3a도는 전원입력단으로부터 입력전압 파형도이고.Figure 3a shows the input voltage waveform from the power input.

제3b도는 입력되는 전압에 대한 정류된 입력전압 파형도.Figure 3b is a rectified input voltage waveform for the input voltage.

제3c도는 입력전압에 대하여 마이콤에 입력되는 출력펄수 파형도이다.3C is an output pulse waveform diagram input to the microcomputer with respect to the input voltage.

제4도는 본 발명에 적용되는 전압변동감지장치에 대한 플로우챠트.FIG. 4 is a flow chart of a voltage fluctuation sensing apparatus applied to the present invention. FIG.

Claims (1)

전원입력단으로부터 입력되는 전원전압에 대하여 전원전압체크회로를 통해서 마이콤의 인터럽트단자에 입력되는 인터럽트펄수를 감지하되, 이 인터럽트펄수에 대하여 상승인터럽트신호와 하강인터럽트신호를 각각 감지함과 아울러 상기 상승인터럽트신호와 하강인터럽트신호간에 펄스폭 시간을 감지한후 이 감지된 펄스폭의 시간이 기설정된 소정의 펄스시간과 같은가를 판단하여 감지된 펄스폭 시간이 기설정된 소정의 펄스시간과 같지 않으면, 입력전압에 변동이 있음을 감지할 수 있도록 한 것을 특징으로 하는 세탁기의 전압변동감지방법.A power interruption signal detecting circuit for detecting an interruption pulse input to an interrupt terminal of the microcomputer through a power supply voltage check circuit with respect to a power supply voltage input from a power input terminal and detecting a rising interrupt signal and a falling interrupt signal with respect to the interrupt pulse number, If the detected pulse width time is not equal to a preset predetermined pulse time, it is judged whether or not the detected pulse width is equal to the predetermined pulse time, And detecting a change in the voltage of the washing machine. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960025616A 1996-06-29 1996-06-29 Method for voltage fluctuation sensing of a washing machine KR100198325B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960025616A KR100198325B1 (en) 1996-06-29 1996-06-29 Method for voltage fluctuation sensing of a washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960025616A KR100198325B1 (en) 1996-06-29 1996-06-29 Method for voltage fluctuation sensing of a washing machine

Publications (2)

Publication Number Publication Date
KR980002373A true KR980002373A (en) 1998-03-30
KR100198325B1 KR100198325B1 (en) 1999-06-15

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ID=19464639

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960025616A KR100198325B1 (en) 1996-06-29 1996-06-29 Method for voltage fluctuation sensing of a washing machine

Country Status (1)

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KR (1) KR100198325B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100882632B1 (en) 2007-03-19 2009-02-06 엘지전자 주식회사 Detecting apparatus for input voltage

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KR100198325B1 (en) 1999-06-15

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