KR0164167B1 - Method for detecting water supplying error of a washing machine - Google Patents

Method for detecting water supplying error of a washing machine Download PDF

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Publication number
KR0164167B1
KR0164167B1 KR1019950038392A KR19950038392A KR0164167B1 KR 0164167 B1 KR0164167 B1 KR 0164167B1 KR 1019950038392 A KR1019950038392 A KR 1019950038392A KR 19950038392 A KR19950038392 A KR 19950038392A KR 0164167 B1 KR0164167 B1 KR 0164167B1
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South Korea
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water supply
time
water
level
determined
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KR1019950038392A
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Korean (ko)
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KR970021491A (en
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임기현
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배순훈
대우전자주식회사
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • 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
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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
    • D06F39/087—Water level measuring or regulating devices
    • 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
    • D06F39/088—Liquid supply arrangements
    • 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
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • 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
    • D06F2103/18—Washing liquid level
    • 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

Abstract

본 발명은 세탁시 결정된 수위로 급수할 때 소정의 수위까지 급수되는 시간을 계산하고 이 계산된 시간을 기준하여 결정된 수위까지 급수되는 시간을 산출한후 이 산출된 시간이 급수이상경보시간 이상이면 급수이상임을 경보하도록 산 세탁기의 급수이상감지방법에 관한 것으로, 본 발명은 세탁시 급수수위가 결정된 상태에서 소정의 수위까지 급수하는데 증가되는 주파수변화에 따른 시간을 계산하고, 이 계산된 시간을 기준하여 상기 결정된 수위까지 급수하는데 걸리는 시간을 산출하고, 이 산출된 시간이 급수이상경보시간 이상인가를 판단하면서 급수이상상태를 감지하도록 이루어짐을 특징으로 한다The present invention calculates the time of watering up to a predetermined level when watering at the water level determined at the time of washing and calculating the time of watering up to the determined water level based on the calculated time, and if the calculated time is more than the water supply abnormality alarm time The present invention relates to a water supply abnormality detection method of an acid washing machine to alert an abnormality. The present invention calculates the time according to the frequency change that is increased to supply water to a predetermined water level in a state in which a water supply level during washing is determined, and based on the calculated time. It is characterized in that it is made to calculate the time taken to supply water to the determined water level, and to detect the water supply abnormal condition while determining whether the calculated time is more than the water supply abnormality alarm time.

Description

세탁기의 급수이상감지방법How to detect water supply abnormality in the washing machine

제1도는 본 발명에 이용되는 세탁기의 개략적인 제어블럭도.1 is a schematic control block diagram of a washing machine used in the present invention.

제2도는 본 발명 급수이상감지방법에 대한 플로우챠트.2 is a flowchart of the water supply abnormality 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 : 급배수구동부 라 : 수위감지부C: Water supply and drainage part D: Water level detection part

마 : 모터구동부 바 : 급수이상표시부E: Motor drive bar: Water supply error display

본 발명은 세탁기의 급수이상감지방법에 관한 것으로, 특히 세탁시 결정된 수위로 급수할 때 소정의 수위까지 급수되는 시간을 계산하고 이 계산된 시간을 기준하여 결정된 수위까지 급수되는 시간을 산출한후 이 산출된 시간이 급수이상경보시간 이상이면 급수이상임을 경보하도록 한 세탁기의 급수이상감지방법에 관한 것이다.The present invention relates to a water supply abnormality detection method of a washing machine, and more particularly, when water is supplied to a predetermined level when water supply is determined at the time of washing, and calculates a time to supply water to the water level determined based on the calculated time. It relates to a water supply abnormality detection method of the washing machine to warn that the water supply failure when the calculated time is more than the water supply abnormality alarm time.

일반적으로 세탁기에서 세탁시 급수방법은 세탁하고자 하는 세탁량을 감지하고, 이 감지된 세탁량에 따라 수위를 결정하여 이 결정된 수위로 급수를 하도록 되어 있다. 이와같이 결정된 수위로 급수를 함에 있어서, 급수가 되지 않거나 혹은 급수상태가 불량한 경우, 상기 결정된 수위까지 급수하는데 상당한 시간이 걸리게 된다.In general, when washing in a washing machine, the water supply method detects the amount of washing to be washed, determines the level of water according to the detected amount of washing, and supplies water to the determined water level. In the water supply at the determined water level in this way, if the water supply is not or the water supply condition is poor, it takes a considerable time to supply the water to the determined water level.

그러므로 급수가 이루어진 상태에서 급수이상경보시간(30분)이 경과되어도 결정된 수위에 급수수위가 도달하지 못할 경우 급수이상신호를 발하게 되는데, 이때 발생되는 급수이상신호는 상당히 긴시간이므로, 세탁시 사용자는 상기 급수이상신호가 발생되기 전까지는 급수이상상태를 알수없고, 비로서, 급수이상신호가 발생되면 급수이상임을 알게 되는 즉 세탁시 급수이상상태를 신속히 알수없어 결국 세탁시간이 전체적으로 길어지는 문제점을 가지게 되었고, 또한 상기 급수이상이 발생되고 있는 상태에서 급수밸브는 급수이상신호를 발하기 전까지 계속해서 동작을 하고 있는 상태이므로 급수밸브가 열화되어 쉽게 마모되는 문제점도 가지게 되었다.Therefore, if the water level does not reach the determined level even after the water supply alarm time (30 minutes) has elapsed, the water supply abnormal signal is issued. Until the water supply abnormal signal is generated, the water supply abnormal condition is unknown, and as a ratio, when the water supply abnormal signal is generated, the water supply abnormality is known. In addition, since the water supply valve continues to operate until the water supply abnormality signal is generated while the water supply abnormality is occurring, the water supply valve is deteriorated and is easily worn.

따라서 본 발명의 목적은 급수시 결정된 수위로 급수할 때 소정의 수위까지 급수되는 시간을 계산하고, 이 계산된 급수시간을 기준하여 결정된 수위까지 급수하는데 걸리는 시간을 산출하여 산출된 급수시간이 급수이상경보시간이 이상이면 급수이상임을 경보하도록 함으로써, 급수이상 상태를 신속하게 감지할 수 있도록 하고자 하는데 있다.Therefore, an object of the present invention is to calculate the time for watering up to a predetermined level when watering at the water level determined at the time of water supply, and calculates the time taken to supply water to the water level determined on the basis of the calculated water supply time is more than the water supply If the alarm time is abnormal, the water supply is to be alarmed, so as to be able to quickly detect the water supply abnormal condition.

상기의 목적을 실현하기 위하여 본 발명은 세탁시 급수수위가 결정된 상태에서 소정의 수위까지 급수하는데 증가되는 주파수변화에 따른 시간을 계산하고, 이 계산된 시간을 기준하여 상기 결정된 수위까지 급수하는데 걸리는 시간을 산출하고, 이 산출된 시간이 급수이상경보시간이상인가를 판단하면서 급수이상상태를 감지하도록 이루어짐을 특징으로 한다.In order to realize the above object, the present invention calculates the time according to the frequency change that is increased to supply water to a predetermined water level in a state in which the water level during washing is determined, and the time taken to supply water to the determined water level based on the calculated time. It is characterized in that it is made to detect the water supply abnormal condition while determining whether the calculated time is more than the water supply abnormality alarm time.

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 발명에 이용되는 세탁기의 개략적인 제어블럭도로서, 세탁시, 일련의 세탁행정에 대한 운전신호를 입력하는 운전신호입력부(가)와, 상기 운전신호입력부(가)에서 입력된 운전신호에 대하여 소정의 프로그램에 의하여 제어하고 제어된 신호를 출력하는 마이콤(나)과, 상기 마이콤(나)에서 출력된 제어신호에 의하여 급수 및 배수를 하는 급배수구동부(다)와, 상기 급배수구동부(다)에서 급수되는 수위를 감지하는 수위감지부(라)와, 상기 수위감지부(라)에서 감지된 수위에 대하여 급수완료시 마이콤(나)의 제어신호에 의하여 세탁, 헹굼, 탈수 구동을 하는 모터구동부(마)와, 상기 마이콤(나)의 제어신호에 의하여 급수이상상태를 표시하는 급수이상표시부(바)로 구성하여서 된 것이다.1 is a schematic control block diagram of a washing machine used in the present invention, the washing operation, the operation signal input unit (a) for inputting a driving signal for a series of washing administration and the operation signal input from the operation signal input unit (a) A microcomputer (b) for controlling a signal and outputting a signal controlled by a predetermined program, a water supply / drainage driving unit (c) for supplying and draining water by a control signal output from the microcomputer (b), and the water supply / drainage port Washing, rinsing, and dehydration driving according to the control signal of the microcomputer (B) when the water supply is completed, the water level detecting unit (D) detecting the water level supplied from the eastern part (C) and the water level detected by the water level detecting unit (D). It consists of a motor drive part (e) which supplies a water supply abnormality display part (bar) which displays the water supply error state by the control signal of the microcomputer (b).

제2도는 본 발명 급수이상감지방법에 대한 플로우챠트로서, 세탁시 결정된 수위로 급수하는 급수단계(20)와, 상기 급수단계(20)에서 소정의 수위까지 급수되는 수위를 감지하는 급수수위감지단계(21)와, 상기 급수수위감지단계(21)에서 감지된 급수수위가 소정의 수위에 도달하였는가를 판단하는 급수수위판단단계(22)와, 상기 수위판단단계(22)에서 소정의 수위에 도달하였으면 도달할 때 걸리는 시간을 산출하는 급수시간산출단계(23)와, 상기 급수시간산출단계(23)에서 산출된 급수시간 기준하여 상기 결정된 수위까지 걸리는 급수시간을 산출하는 제2급수시간산출단계(24)와, 상기 제2급수시간산출단계(24)에서 산출된 급수시간이 기 설정된 급수이상시간 이상인가를 판단하는 급수이상판단단계(25)와, 상기 급수이상판단단계(25)에서 상기 산출된 급수시간이 기 설정된 급수이상시간 이상이 아니면 결정된 수위로 계속해서 급수하는 급수진행단계(26)와, 상기 급수시간이상판단단계(25)에서 상기 산출된 급수시간이 기설정된 급수이상시간이 아니면, 급수이상경보 및 급수중지를 하는 급수이상경보 및 중지단계(27)로 이루어지도록 한 것이다.2 is a flow chart for the water supply abnormality detection method of the present invention, the water supply step 20 for supplying the water level determined during washing, and the water supply level detection step for detecting the water level supplied to the predetermined water level in the water supply step 20 (21), a water level determination step 22 for determining whether the water level detected in the water level detection step 21 has reached a predetermined level, and a predetermined level has been reached in the level determination step 22. If so, the water supply time calculation step 23 for calculating the time taken to reach, and the second water supply time calculation step for calculating the water supply time to the determined water level based on the water supply time calculated in the water supply time calculation step 23 ( 24), the water supply abnormality determination step 25 for determining whether the water supply time calculated in the second water supply time calculation step 24 is more than a preset water supply abnormality time, and the calculation in the water supply abnormality determination step 25 Watering time If the water supply progress stage 26 continuously supplies water to the determined water level if the water supply abnormality time is not more than the preset water supply abnormality time, and the water supply time calculated in the water supply time abnormality determination step 25 is not the predetermined water supply abnormality time, the water supply abnormality alarm And to make the water supply abnormality alarm and stop step (27) to stop the water supply.

상기와 같이 이루어지는 본 발명의 작용효과를 설명하면 다음과 같다.Referring to the effects of the present invention made as described above are as follows.

먼저 세탁기에 전원을 인가하고, 세탁을 하기 위하여 운전신호입력부(가)를 통해서 일련의 세탁행정에 대한 운전신호를 마이콤(나)에 입력하게 되면, 상기 마이콤(나)에서는 세탁하고자 하는 세탁량에 따른 수위를 결정하고 이 결정된 수위로 급수를 하게 되는바, 즉 상기 수위가 결정되게 되면 상기 마이콤(나)에서는 급수단계(20)로 가서 급배수구동부(다)를 제어하여 급수를 시작하게 된다.First, when power is supplied to the washing machine and the driving signals for a series of washing administrations are input to the microcomputer (B) through the driving signal input unit (A) for washing, the microcomputer (B) according to the amount of washing to be washed The water level is determined and water is supplied to the determined water level, that is, when the water level is determined, the microcomputer (b) goes to the water supply step 20 to control the water supply and drainage drive unit (C) to start water supply.

이와같이 급수를 시작한 상태에서 상기 마이콤(나)에서는 급수수위감지단계(21)로 가서 수위감지부(라)를 제어하여 급수되는 수위를 감지하게 되는데, 이때 급수수위감지는 수위감지부(라)에서 수위를 감지할 수 있는 위치부터 급수되는 상태를 알 수 있는 임의로 설정한 소정의 급수위치에 도달할 때 까지 급수되는 수위를 감지하게 된다.In the state of starting water supply as described above, the microcomputer (b) goes to the water supply level detection step 21 and controls the water level detection unit d to detect the level of water supply. In this case, the water level detection is performed at the water level detection unit D. From the position where the water level can be detected, the water supply level is detected until the predetermined water supply position, which is arbitrarily set to know the water supply state, is reached.

상기와 같이 임의로 설정한 소정의 급수위치로 급수를 진행하고 있는 상태에서 상기 마이콤(나)에서는 급수수위완료판단단계(22)로 가서 급수되는 수위가 상기 임의로 설정한 소정의 급수위치에 도달하였는가를 판단하게 되고, 이때 판단결과 급수가 임의로 설정한 소정의 급수위치에 도달하지 않았으면 상기 마이콤(나)에서는 급배수구동부(다)를 제어하여 상기 임의로 설정한 소정의 급수위치에 도달할때까지 급수를 진향하게 되고, 상기 판단결과 급수가 상기 임의로 설정한 소정의 급수위치에 도달하였으면 상기 마이콤(나)에서는 급수시간산출단계(23)로 가서 상기 임의로 설정된 소정의 급수수위에 도달하는데 걸리는 시간(T)을 산출하게된다.In the state where water is being supplied to the predetermined water supply position set arbitrarily as described above, the microcomputer (b) goes to the water supply level completion determination step 22 to determine whether the water supply level reaches the predetermined water supply position set arbitrarily. In this case, if the water supply does not reach the predetermined water supply position set arbitrarily, the microcomputer (b) controls the water supply / drainage driving unit (C) to supply water until the predetermined water supply position is arbitrarily set. When the water supply reaches the arbitrarily set predetermined water supply position, the time required for the microcomputer (b) to go to the water supply time calculation step 23 and reach the arbitrarily set predetermined water supply level T Will be calculated.

이와같이 임의로 설정된 소정의 급수수위까지 도달하는데 걸리는 급수시간을 산출하게 되면, 상기 마이콤(나)에서는 제2급수시간산출단계(24)로 가서 상기 세탁량에 따라 결정된 수위까지 도달하는데 걸리는 급수시간을 산출하게 되는데, 이때 급수시간산출은 상기 임의로 설정된 급수위치까지 산출한 급수시간(T)을 기준하여 상기 결정된 수위까지 급수하는데 걸리는 급수시간(T1)을 산출한다.When the water supply time for reaching the predetermined water supply level is arbitrarily set as described above, the microcomputer (b) goes to the second water supply time calculation step 24 to calculate the water supply time for reaching the water level determined according to the washing amount. In this case, the water supply time calculation is based on the water supply time T calculated up to the arbitrarily set water supply position to calculate the water supply time T1 required to supply water to the determined water level.

상기와 같이 급수시간(T1)을 산출한 상태에서 급수이상판단단계(25)로 가서 상기 산출된 급수시간(T1)이 급수이상시간(30분)인가를 판단하게 되고, 이때 판단결과 상기 산출된 급수시간(T1)이 상기 급수이상시간(30분)이상이 아니면, 계속해서 급수진행단계(26)로 가서 급배수구동부(다)를 제어하여 상기 결정된 수위까지 급수가 완료될때까지 급수를 진행하고, 상기 급수이상판단단계(25)에서 상기 산출된 급수시간(T1)이 급수이상시간(30분)이상이면, 현재 급수상태에 이상이 있는 것으로 판단하여 상기 마이콤(나)에서는 급수이상경보 및 급수중지단계(27)로 가서 현재 급수상태에 이상이 있음을 경보함과 아울러, 급배수구동부(다)를 제어하여 급수중지를 하게 되는 것이다.In the state where the water supply time T1 is calculated as described above, the water supply abnormality determination step 25 is made, and it is determined whether the calculated water supply time T1 is the water supply abnormality time (30 minutes). If the water supply time T1 is not longer than the water supply abnormality time (30 minutes), continue to the water supply progress step 26 to control the water supply and drain drive unit (c) to proceed with water supply until the water supply is completed up to the determined water level. If the water supply time T1 calculated in the water supply abnormality determination step 25 is longer than the water supply abnormality time (30 minutes), it is determined that the current water supply is abnormal. Go to the stop step (27) to warn that there is an error in the current water supply status, and to stop the water supply by controlling the water supply and drainage drive (C).

이상에서 설명한 바와같이 본 발명은 세탁기에서 급수시 결정된 수위로 급수할 때 소정의 수위까지 급수되는 시간을 계산하고, 이 계산된 급수시간을 기준하여 상기 결정된 수위까지 급수하는데 걸리는 시간을 산출하여 이 산출된 급수시간이 급수이상 경보시간이상이면 급수이상임을 경보 및 급수를 중지하도록 함으로써, 급수시 급수이상 상태를 신속하게 감지할수 있고, 또한 급수를 즉시 중지할수 있도록 함으로써, 불필요한 급수구동으로 인한 전력낭비방지는 물론, 급수부의 열화상태를 방지할수 있는 효과를 제공하게 되는 것이다.As described above, the present invention calculates the time of watering up to a predetermined level when watering at the water level determined at the time of water supply in the washing machine, and calculates the time required for watering up to the determined water level based on the calculated watering time. If the supplied water supply time is more than the water supply abnormality alarm time, the water supply abnormality is alerted and the water supply is stopped so that the water supply abnormality can be detected quickly and the water supply can be stopped immediately, thereby preventing power waste due to unnecessary water supply operation. Of course, to provide an effect that can prevent the deterioration state of the water supply.

Claims (1)

세탁시 급수수위가 결정된 상태에서 소정의 수위까지 급수하는데 증가되는 주파수변화에 따른 시간을 계산하고, 이 계산된 시간을 기준하여 상기 결정된 수위까지 급수하는데 걸리는 시간을 산출하고, 이 산출된 시간이 급수이상경보시간 이상인가를 판단하면서 급수이상상태를 감지하도록 이루어짐을 특징으로 하는 세탁기의 급수이상감지방법.Calculate the time according to the frequency change to increase the water supply to the predetermined water level in the state in which the water supply level is determined at the time of washing, and calculates the time taken to supply water to the determined water level based on the calculated time, and the calculated time is Water supply abnormality detection method of the washing machine characterized in that it is made to detect the abnormal water supply status while determining whether the abnormal alarm time.
KR1019950038392A 1995-10-31 1995-10-31 Method for detecting water supplying error of a washing machine KR0164167B1 (en)

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