KR100216745B1 - The filter detecting method of a washing machine - Google Patents
The filter detecting method of a washing machine Download PDFInfo
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- KR100216745B1 KR100216745B1 KR1019950052398A KR19950052398A KR100216745B1 KR 100216745 B1 KR100216745 B1 KR 100216745B1 KR 1019950052398 A KR1019950052398 A KR 1019950052398A KR 19950052398 A KR19950052398 A KR 19950052398A KR 100216745 B1 KR100216745 B1 KR 100216745B1
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- washing
- filter
- drain pump
- washing machine
- current
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- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/081—Safety arrangements for preventing water damage
- D06F39/082—Safety arrangements for preventing water damage detecting faulty draining operations, e.g. filter blockage, faulty pump
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- 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
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
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- 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
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- 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
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/74—Responding to irregular working conditions, e.g. malfunctioning of pumps
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- 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
- G08B21/187—Machine fault alarms
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- 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)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
본 발명은 일련의 세탁행정 수행중 세탁조내의 세탁수를 강제 순환시키거나 배수시키게 되는 2방향 배수펌프에 흐르는 전류를 감지하여 이 감지전류의 크기로 필터의 막힘상태를 감지할 수 있도록 한 세탁기의 필터막힘 감지방법을 제공하는데 목적이 있다.The present invention detects a current flowing in a two-way drainage pump that is forced to circulate or drain the washing water in a washing tank during a series of washing administrations, and a filter of a washing machine capable of detecting a clogging state of the filter by the magnitude of the sensing current. The purpose is to provide a method for detecting clogging.
상기 목적을 달성하기 위한 본 발명은 세탁기의 필터막힘을 감지하기 위해 2방향 배수펌프를 이용한 배수 및 순환급수 진행중 상기 2방향 배수펌프에 흐르는 구동전류를 측정하는 단계와, 상기 단계의 2방향 배수펌프의 구동전류 측정값을 설정 등록된 기준값에 비교하는 단계와, 상기 비교단계에서 측정값이 기준값을 초과하면 세탁기의 필터막힘으로 판단하고 필터막힘을 경보하는 단계를 포함한다.The present invention for achieving the above object is to measure the drive current flowing in the two-way drain pump during the drainage and circulation water supply using the two-way drain pump to detect the filter clogging of the washing machine, the two-way drain pump of the step Comparing the measured value of the drive current with a set registered reference value, and determining that the measured value exceeds the reference value in the comparing step as a filter clogging of the washing machine and alerting the filter clogging.
Description
본 발명의 목적은 세탁중에 소정의 세탁횟수와는 관계없이 2방향밸브 배수펌프에 흐르는 전류상태를 감지하여 감지된 전류가 소정의 전류이상이면 필터막힘을 경보하도록 함으로써 필터막힘 상태를 보다 정확하게 판단할 수 있게 하는 세탁기의 필터막힘 감지방법을 제공함에 있다.An object of the present invention is to detect the state of the current flowing through the two-way valve drain pump irrespective of the predetermined number of times of washing and to determine the filter clogging state more accurately by alerting the filter clogging if the detected current is above a predetermined current. The present invention provides a method for detecting a filter clogging of a washing machine.
제1도는 본 발명 세탁기의 개략적인 제어블럭도.1 is a schematic control block diagram of a washing machine of the present invention.
제2도는 본 발명 필터막힘 감지방법을 설명하기 위한 플로우챠트.2 is a flowchart for explaining the filter clogging detection method of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
가 : 운전신호입력부 나 : 마이콤A: Operation signal input part B: Micom
다 : 급수구동부 라 : 수위감지부C) Water supply drive part D: Water level detection part
마 : 모터구동부 바 : 2방향밸브 배수펌프구동부E: Motor drive bar: 2-way valve drain pump drive
사 : 전류전압감지부 아 : 경보표시부G: Current voltage detection part H: Alarm display part
본 발명은 세탁기의 필터막힘 감지방법에 관한 것으로, 특히 일련의 세탁행정중에 발생된 세탁수를 강제로 순환 및 배수시키는 배수펌프에 흐르는 전류를 감지하여 이 감지된 전류상태로 필터의 막힘상태를 감지할 수 있도록 한 세탁기의 필터막힘 감지방법에 관한 것이다.The present invention relates to a method for detecting a filter clogging of a washing machine, and more particularly, to detect a current flowing through a drain pump forcibly circulating and draining the washing water generated during a series of washing strokes, thereby detecting a clogging state of the filter with the detected current state. It relates to a filter clogging detection method of a washing machine.
일반적인 세탁기에 구비되는 2방향밸브 배수펌프는 세탁행정 수행시 세탁조내의 세탁수를 순환시키고 또한 배수시키는 기능을 수행하게 된다. 이때 2방향밸브 배수펌프의 전단에는 세탁수에 함유된 이물질을 걸러주기 위한 필터가 설치된다.The 2-way valve drain pump provided in the general washing machine performs a function of circulating and draining the washing water in the washing tank when the washing stroke is performed. At this time, the front of the two-way valve drain pump is provided with a filter for filtering foreign matter contained in the wash water.
따라서 세탁행정 수행중에 발생된 오염 세탁수는 2방향밸브 배수펌프에 의한 배수 또는 순환시 필터에서 이물질이 걸러지게 되며, 세탁횟수가 증가함에 따라 필터에는 이물질이 점점 쌓이게 되어 어느 세탁횟수에 도달하게 되면 필터가 막히게 되어 원활한 세탁이 이루어지지않게 되는 상황이 발생되게 된다.Therefore, the contaminated wash water generated during the washing administration is filtered out of the filter during the drainage or circulation by the two-way valve drain pump, and as the number of washing increases, foreign matter accumulates gradually in the filter and reaches a certain washing count. The filter is clogged, which leads to a situation where smooth washing is not performed.
그러므로, 사용자는 상기 필터의 막힘을 방지하기 위하여 수시로 필터의 막힘상태를 점검할 필요가 있다.Therefore, the user needs to check the clogged state of the filter from time to time in order to prevent clogging of the filter.
지금까지는 필터막힘 감지방법으로 세탁시 일련의 세탁행정 횟수를 기억하였다가 세탁행정이 소정의 횟수(5회)에 도달하게 되면 이물질 거름망 청소를 표시하는 것으로 소비자에게 필터 청소시점을 알려주도록 하고 있었다.Until now, the filter clogging detection method remembers the number of washing cycles when washing, and when the washing stroke reaches a predetermined number of times (5 times), it displays the cleaning time of the filter by displaying the cleaning of the foreign matter strainer.
그러나 상기와 같은 경우, 세탁운전 횟차별 세탁량의 많고 적음에 상관 없이 무조건 세탁 횟수로만 필터청소시점을 나타내주게 되기 때문에, 실질적으로 필터막힘이 발생되지 않았음에도 불구하고 필터의 청소 경보를 발하게 되는 비효율적인 문제점을 가지게 되었다.However, in the above case, since the filter cleaning time is indicated only by the number of washings regardless of the number of washings according to the number of washing operations each time, it is inefficient to generate a cleaning alarm even though the filter is not clogged. I have a problem.
상기 목적을 실현하기 위한 본 발명은 세탁기의 필터막힘을 감지하기 위해 2방향 배수펌프를 이용한 배수 및 순환급수 진행중 상기 2방향 배수펌프에 흐르는 구동전류를 측정하는 단계와, 상기 단계의 2방향 배수펌프의 구동전류 측정값을 설정 등록된 기준값에 비교하는 단계와, 상기 비교단계에서 측정값이 기준값을 초과하면 세탁기의 필터막힘으로 판단하고 필터막힘을 경보하는 단계를 포함하는 것을 특징으로 한다.The present invention for realizing the above object is a step of measuring the drive current flowing in the two-way drain pump during the drainage and circulation water supply using the two-way drain pump to detect the filter clogging of the washing machine, the two-way drain pump of the step Comparing the measured value of the drive current to the set registered reference value, and if the measured value exceeds the reference value in the comparison step, characterized in that it comprises the step of determining the filter clogging of the washing machine and alerting the filter clogging.
이하 첨부된 도면에 의거 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
제1도는 본 발명의 필터막힘 제어방법을 실행하기 위한 개략적인 세탁기 제어회로의 블록도구성도이다.1 is a block diagram of a schematic washing machine control circuit for implementing the filter clogging control method of the present invention.
여기에서 참고되는 바와 같이, 세탁기 제어회로는 일련의 세탁행정에 대한 세탁운전신호를 입력하는 운전신호입력부(가)와, 상기 운전신호입력부(가)에서 입력된 운전신호를 기설정된 소정의 프로그램에 의하여 제어하고 신호를 출력하여 각 구동부를 제어하는 마이콤(나)과, 상기 마이콤(나)으로부터 제어신호를 받아 세탁조에 급수를 하는 급수구동부(다)와, 상기 급수구동부(다)에서 급수되는 세탁수와 배수되는 세탁수의 수위를 감지하는 수위감지부(라)와, 상기 수위감지부(라)에서 감지된 수위가 설정된 수위에 도달하면 상기 마이콤(나)의 제어신호에 의하여 세탁 또는 헹굼하거나 헹굼이 완료되면 탈수를 하는 모터구동부(마)와, 상기 마이콤(나)의 제어신호에 의하여 정·역회전 펌핑구동하면서 세탁수를 순환하여 세탁 및 헹굼을 하고, 배수시 펌핑 구동하면서 배수를 하는 2방향밸브 배수펌프구동부(바)와, 상기 마이콤(나)의 제어신호에 의하여 2방향밸브 배수펌프구동부(바)에 흐르는 전류를 감지하는 전류감지부(사)와, 상기 마이콤(나)의 제어신호에 의하여 배수펌프의 막힘을 경보 및 표시하는 경보표시부(아)로 구성한다.As referred to herein, the washing machine control circuit includes a driving signal input unit (A) for inputting a washing operation signal for a series of washing strokes, and a driving signal input from the driving signal input unit (A) to a predetermined program. The microcomputer (b) for controlling each drive unit by controlling the control unit and outputting a signal, a water supply unit (c) for receiving a control signal from the micom (b), and supplying water to a washing tank, and washing water supplied from the water supply unit (c). Water level detection unit (D) for detecting the water level of the wash water and drainage, and when the water level detected by the water level detection unit (D) reaches the set level, washing or rinsing according to the control signal of the microcomputer (B) or When the rinsing is completed, the motor drive unit (e) for dehydration and the washing and rinsing by circulating the washing water while driving the pump forward and reverse rotation by the control signal of the microcomputer (b) A two-way valve drain pump driver (bar) for draining while driving the ping, a current sensing unit (g) for sensing current flowing in the two-way valve drain pump driver (bar) by the control signal of the microcomputer (b), And an alarm display unit (h) for alarming and displaying the blockage of the drain pump by the control signal of the microcomputer (b).
제2도는 본 발명에 따른 필터막힘 감지방법을 설명하기 위한 플로우챠트이다.2 is a flowchart for explaining a filter clogging detection method according to the present invention.
여기에서 참고되는 바와 같이 본 발명의 실행은, 급수완료후 세탁행정이 시작되면 세탁수를 순환하고, 세탁완료시 세탁수를 배수하는 순환 또는 배수단계(20)와, 상기 순환 또는 배수단계(20)에서 세탁수를 순환하고 배수시 2방향 배수펌프를 구동하는 배수펌프구동단계(21)와, 상기 배수펌프구동단계(21)에서 구동하는 배수펌프의 전류를 측정하는 배수펌프전류감지단계(22)와, 상기 배수펌프전류감지단계(22)에서 측정된 전류치가 기설정된 소정의 기준전류치 이상인가를 판단하는 전류판단단계(23)와, 상기 전류판단단계(23)에서 측정된 전류가 기설정된 소정의 기준 전류값 이상이 아니면, 순환 또는 배수가 완료되었는가를 판단하는 순환 또는 배수완료 판단단계(24)와, 상기 순환 또는 배수완료 판단단계(24)에서 배수가 완료되었으면, 순환 또는 배수를 완료하고 다음루틴을 수행하는 순환 또는 배수완료단계(25)와, 상기 전류판단단계(23)에서 감지된 전류가 기설정된 소정의 전류이상이면 필터막힘을 경보표시하는 필터막힘경보표시단계(26)를 순차적으로 수행하게 된다.As referred to herein, the execution of the present invention, after the completion of the water supply wash cycle circulates the washing water, the circulation or drainage step 20 for draining the wash water when the washing is completed, and the circulation or drainage step 20 Drain pump driving step 21 for circulating the washing water in the drain and driving the two-way drain pump when draining, and drain pump current sensing step of measuring the current of the drain pump driving in the drain pump driving step 21. ), A current judging step 23 for judging whether the current value measured in the drainage pump current detecting step 22 is equal to or greater than a predetermined reference current value, and the current measured in the current judging step 23 is preset. If it is not more than a predetermined reference current value, the circulation or drainage completion determination step 24 for determining whether circulation or drainage is completed, and if the drainage is completed in the circulation or drainage completion determination step 24, Circulation or drainage completion step 25 for completing the next routine, and filter clogging alarm display step 26 for displaying a filter clogging alarm if the current sensed in the current determination step 23 is greater than or equal to a predetermined current. Will be performed sequentially.
상기와 같이 구성되는 본 발명의 동작과정을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.
세탁기에 전원을 인가하고, 이어서 세탁을 하기 위하여 세탁기에 세탁물을 넣고, 세탁기의 운전신호입력부(가)를 통해서 일련의 세탁행정에 대한 운전신호를 입력하게 되면, 상기 세탁기의 마이콤(나)에서는 입력된 세탁운전신호에 따라 기설정된 소정의 프로그램에 의하여 급수구동부(다)를 제어하여 급수를 진행한다.When power is supplied to the washing machine, and the laundry is put in the washing machine for washing, and the driving signal for a series of washing administrations is input through the driving signal input unit of the washing machine, the microcomputer (b) of the washing machine inputs the driving signals. The water supply driving unit (C) is controlled by a predetermined program according to the washing operation signal that has been set, and water is supplied.
상기의 과정에 의해 급수가 진행되면 마이컴은 수위감지부(라)를 통해서 급수되는 수위를 감지하면서 급수를 완료여부를 판단하고, 상기 급수가 완료되게 되면 상기 마이콤(나)은 모터구동부(마)를 제어하여 펄세이터를 정·역회전시키면 일련의 세탁행정인 세탁·행굼을 수행하게 된다.When the water supply proceeds according to the above process, the microcomputer detects the water supply level through the water level detection unit (d) and determines whether the water supply is completed. When the water supply is completed, the microcomputer (b) is the motor driving unit (e). When the pulsator is rotated forward and reverse by controlling the control, washing and rinsing are performed.
상기와 같은 일련의 세탁행정 및 헹굼행정시, 상기 마이콤(나)은 사전에 설정된 프로그램에 따라 세탁수의 순환 또는 배수단계(20)를 수행하여 세탁수를 세탁조로 순환하거나 및 세탁수를 배수하게 된다.During the series of washing and rinsing cycles as described above, the microcomputer (b) performs the circulation or drainage step 20 of washing water according to a preset program to circulate the washing water to the washing tank and drain the washing water. do.
상기의 단계실행을 위해 배수펌프구동단계(21)에서는 마이콤(나)이 2방향 배수펌프구동부(바)를 구동하여 2방향 배수펌프로 세탁조의 세탁수를 펌펑하여 필터를 통해서 세탁조로 순환하고 이어서 배수를 하게 된다.In the drain pump driving step 21, the microcomputer (b) drives the two-way drain pump driving unit (bar) to pump the washing water in the washing tank with the two-way drain pump to circulate the washing tank through the filter to the execution of the above steps. Drain.
이와 같이 2방향 배수펌프를 구동하면서 세탁수를 순환하고 배수를 하는 상태에서 상기 마이콤(나)에서는 배수펌프전류감지단계(22)로 가서 전류감지부(사)를 제어하여 상기 배수펌프 구동시 흐르게 되는 전류를 측정한다.As described above, in the state of circulating and draining the washing water while driving the two-way drain pump, the microcomputer (b) goes to the drain pump current sensing step 22 to control the current sensing unit 4 to flow when the drain pump is driven. Measure the current.
다음에 상기 마이콤(나)은 전류판단단계(23)로 가서 상기 측정된 전류 값이 기설정된 소정의 기준 전류값 이상인가 여부를 판단하게 되며, 그 판단결과 측정전류 값이 기설정된 소정의 기준 전류값 이상이 아니면 상기 마이콤(나)에서는 순환 또는 배수완료 판단단계(24)로 가서 상기 순환 또는 배수가 완료되었는가를 판단하게 되고, 이때 판단결과 순환 또는 배수가 완료되지 않았으면 상기 마이콤(나)에서는 순환 또는 배수완료단계(25)로 가서 2방향 배수펌프구동부(라)를 정지시켜 순환 또는 배수를 완료하게 되는 것이다.Next, the microcomputer (b) goes to the current judging step 23 to determine whether the measured current value is greater than or equal to a predetermined reference current value, and as a result of the determination, the measured current value is a predetermined reference current. If it is not greater than the value, the microcomputer (b) goes to the circulation or drainage completion determination step 24 to determine whether the circulation or drainage is completed. At this time, if the circulation or drainage is not completed, the microcomputer (b) Go to the circulation or drainage completion step 25 is to stop the two-way drainage pump drive (D) to complete the circulation or drainage.
한편, 상기 전류판단단계(23)에서 상기 측정된 전류가 기설정된 소정의 기준 전류이상이면 상기 마이콤(나)에서는 필터막힘경보표시단계(26)로 가서 경보표시부(아)를 제어하여 현재 필터가 막혀 세탁수가 순환이 잘 이루어지지 않거나 배수가 잘되고 있지 않음을 경보하여 주게 되는 것이다.On the other hand, if the measured current in the current determination step 23 is greater than the predetermined reference current, the microcomputer (b) goes to the filter clogging alarm display step 26 to control the alarm display unit (a) to the current filter It will block the wash water and alert you that it is not circulating well or draining well.
이상에서 설명한 바와 같이 본 발명은 세탁 및 헹굼시 2방향 배수펌프를 구동하면서 순환 및 배수할 때 배수펌프에 흐르는 전류를 감지하여 감지되는 전류가 기설정된 소정의 필터막힘전류 이상인가를 판단하여 감지되는 전류가 필터막힘전류이상이면 일련의 세탁행정횟수에 관계없이 필터막힘을 보다 정확하게 감지하면서 일련의 세탁행정을 수행할 수 있는 효과를 제공하게 되는 것이다.As described above, the present invention senses whether the current detected by sensing the current flowing in the drain pump when the circulation and drainage is driven while driving the 2-way drain pump during washing and rinsing is determined to be greater than or equal to a predetermined filter clogging current. If the current is more than the filter clogging current, it will provide an effect that can perform a series of washing strokes while detecting the filter clogging more accurately regardless of the number of washing cycles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950052398A KR100216745B1 (en) | 1995-12-20 | 1995-12-20 | The filter detecting method of a washing machine |
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| KR1019950052398A KR100216745B1 (en) | 1995-12-20 | 1995-12-20 | The filter detecting method of a washing machine |
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| KR970043538A KR970043538A (en) | 1997-07-26 |
| KR100216745B1 true KR100216745B1 (en) | 1999-09-01 |
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| KR (1) | KR100216745B1 (en) |
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