KR100223240B1 - Unbalance removal method for washing machine - Google Patents

Unbalance removal method for washing machine Download PDF

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Publication number
KR100223240B1
KR100223240B1 KR1019970028871A KR19970028871A KR100223240B1 KR 100223240 B1 KR100223240 B1 KR 100223240B1 KR 1019970028871 A KR1019970028871 A KR 1019970028871A KR 19970028871 A KR19970028871 A KR 19970028871A KR 100223240 B1 KR100223240 B1 KR 100223240B1
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South Korea
Prior art keywords
safety switch
unbalance
dehydration
washing
time
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KR1019970028871A
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Korean (ko)
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KR19990004730A (en
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강성구
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전주범
대우전자주식회사
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Priority to KR1019970028871A priority Critical patent/KR100223240B1/en
Publication of KR19990004730A publication Critical patent/KR19990004730A/en
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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
    • 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
    • D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from 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
    • 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 
    • D06F33/48—Preventing or reducing imbalance or noise
    • 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
    • D06F34/16—Imbalance
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2103/40—Opening or locking status of doors
    • 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
    • D06F2103/68—Operation mode; Program phase
    • 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
    • D06F2103/70—Number of operational cycles
    • 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)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

본 발명은 본탈수시 혹은 일련의 세탁행정중 중간탈수시, 안전스위치의 작동으로 언발란스 감지후 임의로 설정된 시간으로 안전스위치가 작동하지 않으면 언발란스 해제 동작을 하지 않도록 함으로써, 상기 언발란스 해제동작으로 인한 물의 낭비 및 세탁시간이 길어지게 되는 것을 방지하도록 한 세탁기의 언발란스 해제방법에 관한 것으로, 초기화 상태에서 세탁 및 배수가 완료되면 세탁조를 고속회전시키면서 탈수하는 단계(32)와, 상기 단계(32)에서 안전스위치의 작동을 감지하여 안전스위치의 작동이 감지되지 않으면, 탈수가 완료되었는가를 판단하는 단계(34)와, 상기 안전스위치의 작동이 감지되게 되면 상기 안전스위치의 작동이 3 회이상인가를 판단하여 상기 안전스위치의 작동이 3 회이상이면 탈수를 중지하고 언발란스 에러를 경보하는 단계(36)와, 상기 단계(36)에서 에러경보 표시후 안전스위치의 작동시간을 감지하여 이감지된 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상인가를 판단하여 상기 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상이 아니면, 탈수를 중지하는 단계(39)와, 상기 단계(38)에서 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상이면 도어가 개폐된 것으로 판단하여 언발란스를 해제하는 언발란해제단계(40)로 이루어지도록 한 것을 특징으로 한다.According to the present invention, when the dehydration or the intermediate dehydration during a series of washing administration, by the operation of the safety switch to prevent the unbalance release operation if the safety switch does not operate for a randomly set time after detecting the unbalance, waste of water due to the unbalance release operation And a method for releasing the unbalance of the washing machine to prevent the washing time being prolonged, and when the washing and draining are completed in the initializing state, dehydrating while rotating the washing tank at high speed (32), and the safety switch in the step (32). If it is detected that the operation of the safety switch is not detected by the operation of determining whether the dehydration is complete (34), and if the operation of the safety switch is detected by determining whether the operation of the safety switch is more than three times the safety If the switch is operated more than 3 times, stop dehydration and alarm the unbalance error. (36) and after detecting the error alarm in the step 36, by detecting the operating time of the safety switch to determine whether the operating time of the detected safety switch is more than the arbitrarily set operating time (1 second) to operate the safety switch If the time is not more than an arbitrarily set operating time (1 second), the step of stopping dehydration (39), and if the operating time of the safety switch in the step 38 is more than the arbitrarily set operating time (1 second) the door is opened and closed Determined to be made to the unbalance release step 40 to release the unbalance.

Description

세탁기의 언발란스 해제방법How to release the unbalance of the washing machine

본 발명은 세탁기의 언발란스 해제방법에 관한 것으로, 특히 본탈수시 혹은 일련의 세탁행정중 중간탈수시, 안전스위치의 작동으로 인하여 세탁조의 언발란스 에러가 발생되었을 경우, 임의로 설정된 시간으로 안전스위치가 작동하지 않으면 언발란스 해제 동작을 하지 않도록 함으로써, 상기 언발란스 해제동작으로 인한 물의 낭비 및 세탁시간이 길어지게 되는 것을 방지하도록 한 세탁기의 언발란스 해제방법에 관한 것이다.The present invention relates to a method for releasing an unbalance of a washing machine. In particular, when an unbalancing error occurs in a washing tank due to the operation of a safety switch, when the main dehydration or a middle dehydration of a series of washing administrations occurs, the safety switch does not operate for a predetermined time. If not, the present invention relates to a method for releasing an unbalance of a washing machine to prevent waste of water and washing time due to the unbalance releasing operation.

일반적으로 세탁기의 언발란스감지는 세탁기의 저수조 외측 상단에 장착되는 안전스위치에 작동횟수로 감지하도록 되었다. 즉 상기 안전스위치의 언발란스 감지는 일련의 세탁행정에서 배수후 중간탈수시 세탁조를 소정의 시간(4초온,3초오프)동안 4 회정도로 실시하여 상기 첫 번째(7초) 안전스위치의 작동을 감지하고 이어서 두 번째 (7초)동안 상기 안전스위치의 작동유무를 감지하여 이 감지된 안전스위치의 작동횟수로 언발란스를 감지하도록 되어 있다.In general, the unbalance detection of the washing machine is to be detected by the number of operation in the safety switch mounted on the outer top of the water tank of the washing machine. That is, the unbalance detection of the safety switch detects the operation of the first (7 seconds) safety switch by performing the washing tank four times for a predetermined time (4 seconds on, 3 seconds off) during the intermediate dehydration after draining in a series of washing strokes. Then, during the second (7 seconds) to detect the presence of the safety switch is activated to detect the unbalance by the number of operation of the detected safety switch.

그러므로 상기 안전스위치로 언발란스를 감지하려면 적어도 4 초동안 모터를 구동하고 이어서 다음 안전스위치의 작동시간까지 7초간을 기다려야만 언발란스를 감지하고, 이때 안전스위치의 작동횟수는 3 회 이상이 되어야 비로서 언발란스로 감지한후 탈수를 정지하고 에러경보를 발하며, 이어서 사용자가 도어를 개폐하게 되면, 언발란스를 보정하는 것으로 판단하여 급수 및 헹굼하면서 재탈수행정으로 진입하도록 되어 있다.Therefore, in order to detect the unbalance with the safety switch, the motor must be driven for at least 4 seconds and then wait 7 seconds until the next operation time of the safety switch to detect the unbalance, and at this time, the number of operation of the safety switch must be three or more times for unbalance. Detect and stop the dehydration and give an error alarm, and when the user opens and closes the door, it is determined to correct the unbalance to enter the rehydration stroke while supplying and rinsing.

그러나 상기 세탁기에서는 언발란스에 의한 에러경보후 언발란스 보정을 판단하는 도어의 개폐상태를 감지할 때, 세탁기는 언발란스 에러 경보후 관성회전하는 세탁조가 상기 안전스위치를 300msec 이상으로 동작시키게 되면 세탁기는 도어가 개폐되었던 것으로 판단하여 언발란스를 해제하는 재탈수모드, 급수, 헹굼을 반복하면서 탈수를 진행하게 되므로 즉 상기 안전스위치의 작동시간에 따라 물의 낭비는 물론 불필요한 언발란스해제 작동으로 하여 전력낭비 및 세탁시간이 길어지게 되는 문제점을 가지게 되었다.However, when the washing machine detects the opening / closing state of the door for determining the unbalance correction after the error alarm due to the unbalance, the washing machine opens and closes the door when the washing tank rotating the inertia after the unbalance error alarm operates the safety switch over 300 msec. Dehydration proceeds by repeating the dehydration mode, water supply, and rinsing to release the unbalance, that is, waste of water and unnecessary unbalance release operation according to the operation time of the safety switch. I had a problem.

본 발명의 목적은 본탈수시 또는 세탁행정중 중간탈수시 언발란스가 감지되어 에러경보 표시후 임의로 설정된 소정의 시간으로 안전스위치를 작동하지 않게 되면 도어가 개폐되지 않은 것으로 판단함으로써, 상기 언발란스 에러경보후 미소한 안전스위치의 작동으로 인한 언발란스해제 동작을 방지하도록 하여 보다 상기 언발란스 해제 동작으로 인한 물과 전력 낭비 및 세탁시간이 길어지게 되는 것을 방지할 수 있도록 하고자 하는데 있다.An object of the present invention is to detect the unbalance at the time of dehydration or during the middle of the laundry administration, when the safety switch is not operated at a predetermined time set after the error alarm is displayed by determining that the door is not opened and closed, after the unbalance error alarm It is intended to prevent the unbalance release operation due to the operation of the minute safety switch to prevent the water and power waste and washing time due to the unbalance release operation is longer.

상기의 목적을 실현하기 위하여 본 발명은 일련의 세탁이나 헹굼행정이 완료되고 배수가 완료되면 탈수를 진행하는 단계와, 상기 단계에서 탈수시 안전스위치의 작동에 따른 언발란스를 감지하는 단계와, 상기 단계에서 안전스위치의 작동이 감지되지 않으면 진행중인 탈수가 완료되었는가를 판단하는 단계와, 상기 단계에서 안전스위치의 작동이 감지되면 이 감지된 안전스위치의 작동횟수가 임의로 설정된 소정의 횟수 3 회이상인가를 판단하는 단계와, 상기 단계에서 안전스위치의 작동이 임의로 설정된 소정의 횟수 3회 이상이 아니면 계속해서 탈수하고, 상기 안전스위치의 작동 횟수가 임의로 설정된 소정의 횟수 3 회 이상이면 탈수를 중지하고 언발란스 에러를 경보하고 표시하는 단계와, 상기 단계에서 언발란스 에러경보 표시후 상기 안전스위치의 작동시간이 소정의 작동시간이상인가를 판단하는 단계와, 상기 단계에서 안전스위치의 작동시간이 임의로 설정된 작동시간 이상이 아니면 탈수를 중지하는 단계와, 상기 단계에서 안전스위치의 작동시간이 임의로 설정된 작동시간 이상이면 도어개폐를 감지한후 언발란스해제 동작을 진행하는 단계로 이루어짐을 특징으로 한다.In order to achieve the above object, the present invention is a step of proceeding dehydration when a series of washing or rinsing stroke is completed and drainage is completed, the step of detecting the unbalance according to the operation of the safety switch when dehydration in the step, and the step If it is detected that the operation of the safety switch is completed if the operation of the safety switch is not detected in the step, and if the operation of the safety switch is detected in the above step to determine whether the operation number of the detected safety switch 3 times or more arbitrarily set a predetermined number And dehydration is continued if the operation of the safety switch is not more than three times set arbitrarily in the step, and if the number of times of operation of the safety switch is more than three times arbitrarily set arbitrarily set, stopping dehydration and alarming an unbalance error. And displaying the unbalance error alarm in the step. Determining whether the operation time of the device is greater than or equal to a predetermined operating time, and stopping the dehydration if the operating time of the safety switch is not more than an arbitrarily set operating time. If more than the operating time is characterized by consisting of the step of proceeding the unbalance release operation after detecting the door opening and closing.

도 1 은 본 발명에 이용되는 안전스위치가 장착된 세탁기의 일부 측단면도1 is a partial side cross-sectional view of a washing machine equipped with a safety switch used in the present invention

도 2 는 본 발명에 이용되는 세탁기의 개략적인 제어블럭도2 is a schematic control block diagram of a washing machine used in the present invention;

도 3 은 본 발명 세탁기의 언발란스 해제방법에 대한 플로우챠트3 is a flowchart illustrating a method for releasing unbalance of the washing machine of the present invention.

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

가; 운전신호입력부 나; 마이콤end; Operation signal input unit b; Micom

다; 급배수구동부 라; 수위감지부All; Drainage and driving part d; Water level detector

마; 모터구동부 바; 안전스위치부hemp; Motor drive bar; Safety switch

사; 에러경보표시부four; Error alarm display

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.

도 1 은 본 발명에 이용되는 안전스위치가 장착된 세탁기의 일부 측단면도 로서, 세탁 및 헹굼시 급수되는 세탁수를 저수하는 저수조(1)의 상부 일측에 전방으로 도어(2)의 개폐상태를 감지하는 도어레버(3)와, 하방으로 탈수시 세탁물의 꼬임에 의하여 발생되는 저수조(1)의 언발란스를 감지하는 스위치레버(4)를 구비한 안전스위치(5)를 장착하여서 된 것이다.1 is a partial side cross-sectional view of a washing machine equipped with a safety switch used in the present invention, the opening and closing state of the door (2) in front of the upper side of the reservoir (1) for storing the water to be washed when washing and rinsing It is to be equipped with a safety switch (5) having a door lever (3) and a switch lever (4) for detecting the unbalance of the reservoir (1) generated by the twisting of the laundry when dewatering downward.

도 2 는 본 발명에 이용되는 세탁기의 개략적인 제어블럭도 로서, 일련의 세탁행정인 세탁,헹굼,탈수운전을 설정하고 입력하는 운전신호입력부(가)와, 상기 운전신호입력부(가)로 부터 입력되는 운전신호를 기설정된 소정의 프로그램에 의하여 제어하고 이 제어된 신호를 각 구동부에 출력하여 일련의 세탁행정을 제어하는 마이콤(나)과, 상기 마이콤(나)으로 부터 출력되는 제어신호를 받아 세탁조에 세탁수를 급수하고 급수된 세탁수를 배수하는 급배수구동부(다)와, 상기 마이콤(나)으로 부터 출력되는 제어신호에 의하여 급배수구동부(다)에서 급수되고 배수되는 세탁수의 수위를 감지하는 수위감지부(라)와, 상기 마이콤(나)의 제어신호에 의하여 펄세이터를 정,역회전시켜 세탁 및 헹굼하고, 세탁 및 헹굼완료후에는 고속회전하면서 탈수하는 모터구동부(마)와, 상기 모터구동부(마)의 탈수운전시 세탁조의 언발란스 를 감지하는 안전스위치부(바)와, 상기 마이콤(나)의 제어신호에 의하여 언발란스 발생시 에러경보를 표시하는 에러경보표시부(사)로 구성하여서 된 것이다.Figure 2 is a schematic control block diagram of a washing machine used in the present invention, a driving signal input unit (a) for setting and inputting a series of washing operation, washing, rinsing, dehydration operation and from the operation signal input unit (a) Receives a microcomputer (b) for controlling a series of washing operations by controlling the input operation signal by a predetermined program and outputting the controlled signal to each drive unit, and receiving a control signal output from the microcomputer (b). Water supply and drainage drive unit (C) for supplying the wash water to the washing tank and draining the supplied water, and the level of the wash water supplied and drained from the water supply and drain unit (C) by the control signal output from the microcomputer (B). The water level detecting unit (D) and a motor for washing and rinsing the pulsator by rotating the pulsator forward and reverse according to the control signal of the microcomputer (B), and rotating the high speed after the washing and rinsing is completed. The eastern part (e), the safety switch part (bar) for detecting the unbalance of the washing tank during the dehydration operation of the motor driving part (e), and the error alarm display part for displaying an error alarm when an unbalance occurs due to the control signal of the microcomputer (b). It consisted of (g).

도 3 은 본 발명 세탁기의 언발란스 해제방법에 대한 플로우챠트 로서, 초기화 상태에서 세탁조에 급수가 완료되면 세탁을 진행하는 세탁단계(30)와, 상기 세탁단계(30)에서 세탁이 완료되었으면, 세탁시 발생된 오염된 세탁수를 배수하는 배수단계(31)와 상기 배수단계(31)에서 배수가 완료되게 되면 세탁조를 일방향으로 고속회전시키면서 탈수하는 탈수단계(32)와, 상기 탈수단계(32)에서 탈수가 시작되게 되면 안전스위치의 작동을 감지하는 안전스위치작동감지단계(33)와, 상기 안전스위치작동감지단계(33)에서 안전스위치의 작동이 감지되지 않으면, 진행중인 탈수가 완료되었는가를 판단하면서 탈수가 완료될 때 까지 탈수를 진행하는 탈수완료판단단계(34)와, 상기 안전스위치작동감지단계(33)에서 안전스위치의 작동이 감지되게 되면 상기 안전스위치의 작동이 3 회이상인가를 판단하는 안전스위치작동판단단계(35)와, 상기 안전스위치작동판단단계(35)에서 안전스위치의 작동이 3 회 이상이 아니면 계속해서 탈수진행과, 안전스위치의 작동횟수를 감지하면서 탈수하고, 상기 안전스위치의 작동이 3 회이상이면 탈수정지 및 언발란스에러를 경보표시하는 에러경보표시단계(36)와, 상기 에러경보표시단계(36)에서 에러경보 표시후 안전스위치의 작동시간을 감지하는 안전스위치작동시간감지단계(37)와, 상기 안전스위치작동시간감지단계(37)에서 감지된 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상인가를 판단하는 안전스위치작동시간판단단계(38)와,상기 안전스위치작동시간판단단계(38)에서 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상이 아니면, 탈수를 중지하는 탈수중지단계(39)와, 상기 안전스위치작동시간판단단계(38)에서 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상이면 도어가 개폐된 것으로 판단하여 언발란스를 해제하는 언발란해제단계(40)로 이루어지도록 한 것이다.3 is a flowchart illustrating a method for releasing an unbalance of a washing machine according to the present invention, in which a washing step 30 proceeds to washing when water is completed in a washing tank in an initialization state, and when washing is completed in the washing step 30, when washing In the draining step 31 for draining the contaminated washing water generated and the draining step 32 when the draining step is completed in the draining step 31, the washing tank is dewatered while rotating at a high speed in one direction, and in the dewatering step 32. When dehydration is started, the safety switch operation detection step 33 for detecting the operation of the safety switch, and if the operation of the safety switch is not detected in the safety switch operation detection step 33, dehydration while determining whether the dehydration in progress is completed Dehydration completion judgment step 34 to proceed to the dehydration until the completion of the safety switch operation detection step 33, the safety switch is detected when the operation of the safety switch If the safety switch operation judgment step (35) for determining whether the operation is three or more times, and the safety switch operation is not more than three times in the safety switch operation determination step (35), the dehydration proceeds continuously, and the operation frequency of the safety switch Dehydration while sensing, if the operation of the safety switch more than three times error alarm display step 36 for alarming dehydration stop and unbalance error, and the operation time of the safety switch after the error alarm display in the error alarm display step 36 Safety switch operation time detection step 37 for detecting the safety switch operation time and the safety switch operation time for determining whether the operation time of the safety switch detected in the safety switch operation time detection step 37 is more than a predetermined operation time (1 second) If the operation time of the safety switch in the determination step 38 and the safety switch operation time determination step 38 is not more than an arbitrarily set operating time (1 second), dehydration stop to stop dehydration If the operating time of the safety switch in the safety switch operating time judging step 38 and more than a predetermined set operation time (1 second), it is determined that the door is opened and closed unbalance release step 40 to release the unbalance (40) It is to be made of).

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

먼저 세탁기에 전원을 인가하여 세탁기의 마이콤(나)을 초기화시킨 상태에서 세탁하고자 하는 세탁물을 세탁기에 넣고 이어서 운전신호입력부(가)를 통해서 세탁하고자 하는 일련의 세탁행정에 대한 운전신호를 상기 마이콤(나)에 입력시키게 되면 상기 마이콤(나)에서는 세탁단계(30)로 가서 기설정된 소정의 프로그램에 의하여 상기 세탁물에 대하여 수위를 결정하고, 급배수구동부(다)를 제어하여 상기 결정된 수위로 급수하고 이 급수되는 수위는 수위감지부(라)를 통해서 감지하면서 상기 결정된 수위로 급수하고 완료하게 된다.First, the power source is supplied to the washing machine, and the laundry to be washed is put in the washing machine while the microcomputer (b) of the washing machine is initialized. Then, the driving signal for the series of washing administrations to be washed through the driving signal input unit (A) is input to the micom ( B) If the input to the microcomputer (b) goes to the washing step 30 to determine the water level for the laundry by a predetermined program, and to control the water supply and drainage drive (c) to supply water to the determined water level The water supply level is sensed through the water level detection unit d, and the water supply is completed at the determined water level.

상기와 같이 급수가 완료되게 되면 상기 마이콤(나)에서는 모터구동부(마)를 제어하여 펄세이터를 정,역회전시키면서 세탁수류를 형성하여 세탁을 진행하되, 소정의 세탁시간이 완료될 때 까지 세탁을 진행하게 된다.When the water supply is completed as described above, the microcomputer (b) controls the motor driving part (e) to form the washing water flow while washing the pulsator forward and reverse, and proceeds to washing, but washes until a predetermined washing time is completed. Will proceed.

상기 세탁이 완료되면 상기 마이콤(나)에서는 배수단계(31)로 가서 급배수구동부(다)를 제어하여 상기 세탁시 발생된 오염된 세탁수를 배수하고 완료를 하게 되며, 상기 배수가 완료되면 상기 마이콤(나)에서는 탈수단계(32)로 가서 모터구동부(마)를 제어하여 세탁조를 일방향으로 고속회전시키면서 탈수를 진행하되, 상기 마이콤(나)에서는 안전스위치작동감지단계(33)로 가서 상기 안전스위치부(바)를 제어하여 탈수시 세탁물의 꼬임에 의하여 야기되는 세탁조의 언발란스에 의하여 야기되는 저수조(1)의 외측 상부에 장착된 안전스위치(5)의 스위치레버(4)가 작동하였는가를 감지하게 되고, 이때 상기 안전스위치(5)가 작동하지 않았으면 언발란스가 감지되지 않은 것으로 판단하여 탈수완료판단단계(34)로 가서 탈수가 완료되었는가를 판단하면서 탈수를 진행하되 이때 탈수가 완료되지 않았으면 상기 탈수단계(32)로 가서 탈수를 진행함과 아울러 상기 안전스위치작동감지단계(33)로 가서 안전스위치의 작동유무를 판단하면서 탈수가 완료될 때 까지 탈수를 진행하고 완료하게 된다.When the washing is completed, the microcomputer (b) goes to the draining step 31 to control the water supply and drain driving unit (c) to drain and complete the contaminated washing water generated during the washing, and when the draining is completed, the In the microcomputer (b), go to the dehydration step (32) to control the motor drive unit (e) to proceed with dehydration while rotating the washing tank in one direction at high speed, in the microcomputer (b) go to the safety switch operation detection step (33) the safety Controls the switch part (bar) to detect whether the switch lever (4) of the safety switch (5) mounted on the outer upper part of the water storage tank (1) caused by the unbalance of the washing tank caused by the twisting of the laundry when dewatering is operated. If the safety switch (5) did not operate at this time, it is determined that the unbalance is not detected, go to the dehydration completion determination step 34 to determine whether dehydration is complete while dehydration If the dehydration is not completed at this time, go to the dehydration step (32) to proceed with dehydration and go to the safety switch operation detection step (33) while deciding whether or not to operate the safety switch until dehydration is completed Proceed and complete.

그러나 상기와 같이 안전스위치작동감지단계(33)에서 상기 안전스위치의 작동이 감지되면 상기 마이콤(나)에서는 언발란스가 감지되는 것으로 판단하여 안전스위치작동판단단계(35)로 가서 상기 감지된 안전스위치의 작동이 임의로 설정된 소정의 작동횟수(3회)이상이 작동하였는가를 판단하게 되고, 이때 판단결과 상기 감지된 안전스위치의 작동시간이 임의로 설정된 소정의 작동횟수(3회)이상이 아니면 상기 마이콤(나)에서는 언발란스가 발생되지 않은 것으로 판단하여 탈수단계(32)로탈수와 안전스위치의 작동유무와 안전스위치의 작동횟수를 감지하면서 탈수를 진행하게 되고, 반면에 상기 안전스위치작동판단단계(35)로 가서 안전스위치의 작동횟수가 3 회이상으로 판단되면, 상기 마이콤(나)에서는 언발란스가 감지된 것으로 판단하여 에러경보표시단계(36)로 가서 모터구동부(마)를 제어하여 모터의 구동을 정지하여 탈수를 정지시켜 놓고, 에러경보표시부(사)를 제어하여 언발란스 발생을 알리는 에러경보를 발생한다.However, when the operation of the safety switch is detected in the safety switch operation detection step 33 as described above, it is determined that the unbalance is detected in the microcomputer (b), and the safety switch operation determination step 35 goes to the detection of the safety switch. It is determined whether the operation is more than a predetermined number of operation times (three times) set arbitrarily, and if it is determined that the detected operating time of the safety switch is not more than the predetermined number of operation times (three times), the microcomputer (b) In the dehydration step is judged that the unbalance has not occurred in the dehydration step (32) to detect the presence of dehydration and the operation of the safety switch and the number of operation of the safety switch proceeds to dehydration, on the other hand to the safety switch operation determination step (35) If the number of operation of the safety switch is determined to be three or more times, the microcomputer (b) determines that an unbalance is detected and an error alarm is made. Go to the leading-end system (36) placed to stop dehydration to stop the driving of the motor by controlling the motor drive unit (E), and controls the error alarm display unit (G) to generate an error alarm indicating the unbalance occurs.

상기와 같이 탈수를 정지하고 에러경보를 발생한 상태에서 상기 마이콤(나)에서는 안전스위치작동시간감지단계(37)로 가서 상기 탈수정지 관성회전하는 세탁조(2)에 의하여 안전스위치(5)의 작동시간을 감지하게 되고, 이어서 안전스위치작동시간판단단계(38)에서 상기 작동하는 안전스위치(5)의 작동시간이 임의로 설정된 작동시간(1초)이상인가를 판단하게 되고, 이때 판단결과 상기 안전스위치(5)의 작동시간이 상기 임의로 설정된 작동시간(1초)이 경과하지 않았으면, 상기 마이콤(나)에서는 도어가 개폐되지 않은 것으로 판단 즉 언발란스해제 동작으로 간주하지 않고 탈수중지단계(39)로 가서 탈수를 중지하고 있게 된다.In the state of stopping dehydration and generating an error alarm as described above, the microcomputer (b) goes to the safety switch operation time detection step 37 and the operation time of the safety switch 5 by the washing tank 2 rotating the dehydration stop inertia. Then, in the safety switch operation time determination step 38, it is determined whether the operating time of the operating safety switch 5 is more than an arbitrarily set operating time (1 second), and at this time, the safety switch ( If the operation time of 5) has not passed the arbitrarily set operation time (1 second), the microcomputer (b) determines that the door has not been opened or closed, i.e., does not regard it as an unbalance release operation and goes to the dehydration stop step 39. Dehydration is stopped.

그러나 상기 안전스위치작동시간판단단계(38)에서 안전스위치(5)의 작동시간이 상기 임의로 설정된 작동시간(1초)이상이면 상기 마이콤(나)에서는 도어가 개폐되어 언발란스해제 동작으로 간주하여 언발란스해제동작단계(40)로 가서 급배수구동부(다)를 제어하여 급수 및 모터구동부(마)를 제어하여 헹굼하면서 언발란스해제 동작을 하면서 탈수를 진행하게 되는 것이다.However, if the operation time of the safety switch 5 in the safety switch operation time determination step 38 is more than the arbitrarily set operation time (1 second), the door is opened and closed in the micom (b) to be de-balanced and de-balanced. Go to the operation step 40 is to control the water supply and drainage drive (c) to control the water supply and motor drive (e) to rinse while releasing the unbalance while dehydration proceeds.

이상에서 설명한 바와같이 본 발명은 일련의 세탁행정완료나 헹굼행정완료후 세탁효과를 향상하기 위하여 수행하게 되는 탈수행정시 안전스위치의 작동횟수로 언발란스를 감지하여 상기 언발란스가 감지되면 탈수를 중지하고 에러경보를 발한후, 이어서 안전스위치의 작동시간을 감지하여 안전스위치의 작동시간이 임의로 설정된 작동시간 이상이면 도어가 개폐된 것으로 판단하여 언발란스해제 동작을 하도록 함으로써, 상기 탈수중 언발란스 발생시 상기 안전스위치의 미세한 동작으로 인하여 수시로 언발란스해제를 수행함에서 야기되는 물과 전력낭비 뿐만아니라, 전체적인 세탁시간이 길어지게 되는 것을 방지할 수 있는 효과를 제공하게 되는 것이다.As described above, the present invention detects the unbalance by the number of operation of the safety switch during the dehydration stroke, which is performed to improve the washing effect after a series of washing administration completion or rinsing administration, and stops dehydration when the unbalance is detected. After the alarm is issued, the operating time of the safety switch is subsequently sensed, and if the operating time of the safety switch is arbitrarily set above the predetermined operating time, the door is opened and closed to perform the unbalance release operation. The operation is to provide the effect of preventing the overall washing time, as well as the water and power waste caused by performing the debalance release from time to time.

Claims (1)

초기화 상태에서 세탁을 진행하고,세탁이 완료되었으면, 배수한후 세탁조를 일방향으로 고속회전시키면서 탈수하는 탈수단계(32)와, 상기 탈수단계(32)에서 안전스위치의 작동을 감지하는 안전스위치작동감지단계(33)와, 상기 안전스위치작동감지단계(33)에서 안전스위치의 작동이 감지되지 않으면, 진행중인 탈수가 완료되었는가를 판단하는 탈수완료판단단계(34)와, 상기 안전스위치작동감지단계(33)에서 안전스위치의 작동이 감지되게 되면 상기 안전스위치의 작동이 3 회이상인가를 판단하는 안전스위치작동판단단계(35)와, 상기 안전스위치작동판단단계(35)에서 안전스위치의 작동이 3 회이상이면 탈수를 중지하고 언발란스 에러를 경보표시하는 에러경보표시단계(36)와, 상기 에러경보표시단계(36)에서 에러경보 표시후 안전스위치의 작동시간을 감지하는 안전스위치작동시간감지단계(37)와, 상기 안전스위치작동시간감지단계(37)에서 감지된 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상인가를 판단하는 안전스위치작동시간판단단계(38)와,상기 안전스위치작동시간판단단계(38)에서 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상이 아니면, 탈수를 중지하는 탈수중지단계(39)와, 상기 안전스위치작동시간판단단계(38)에서 안전스위치의 작동시간이 임의로 설정된 작동시간(1초)이상이면 도어가 개폐된 것으로 판단하여 언발란스를 해제하는 언발란해제단계(40)로 이루어지도록 한 것을 특징으로 하는 세탁기의 언발란스 해제방법.After the washing in the initialization state, if the washing is completed, the dehydration step (32) for dewatering while rotating the washing tank in one direction after draining, and the safety switch operation detection step of detecting the operation of the safety switch in the dehydration step (32) (33), and if the operation of the safety switch is not detected in the safety switch operation detection step 33, the dehydration completion determination step 34 for determining whether the dehydration in progress is completed, and the safety switch operation detection step 33 When the operation of the safety switch is detected in the safety switch operation judgment step 35 to determine whether the operation of the safety switch is more than three times, and if the safety switch operation in the safety switch operation determination step 35 or more dehydration An error alarm display step 36 for stopping the alarm and displaying an unbalance error, and detecting an operation time of the safety switch after displaying the error alarm in the error alarm display step 36. Safety switch operation time detection step 37 and the safety switch operation time determination step of determining whether the operation time of the safety switch detected in the safety switch operation time detection step 37 is more than the arbitrarily set operation time (1 second) 38 and the dehydration stop step 39 of stopping dehydration if the operation time of the safety switch in the safety switch operation time judging step 38 is not more than an arbitrarily set operation time (1 second), and the safety switch operation. When the operating time of the safety switch in the time determination step 38 is more than the predetermined operating time (1 second), the washing machine, characterized in that the door is opened and closed by the unbalance release step 40 to release the unbalance How to unbalance.
KR1019970028871A 1997-06-30 1997-06-30 Unbalance removal method for washing machine KR100223240B1 (en)

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