KR19990086553A - How to control unbalance of washing machine - Google Patents

How to control unbalance of washing machine Download PDF

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Publication number
KR19990086553A
KR19990086553A KR1019980019572A KR19980019572A KR19990086553A KR 19990086553 A KR19990086553 A KR 19990086553A KR 1019980019572 A KR1019980019572 A KR 1019980019572A KR 19980019572 A KR19980019572 A KR 19980019572A KR 19990086553 A KR19990086553 A KR 19990086553A
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South Korea
Prior art keywords
rinsing
unbalance
water
washing
dehydration
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KR1019980019572A
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Korean (ko)
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KR100366690B1 (en
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장봉안
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윤종용
삼성전자 주식회사
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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 
    • D06F33/48—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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/26—Imbalance; Noise 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
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

본 발명은 세탁기의 언밸런스 제어방법에 관한 것으로, 상세하게는 세탁행정이 종료하고 탈수를 할 때 언밸런스가 발생하면 풀림행정을 행하지 않고 헹굼행정의 실시 횟수를 추가하여 실시하는 세탁기의 언밸런스 제어방법에 관한 것이다.The present invention relates to a method for controlling an unbalance of a washing machine, and more particularly, to an unbalance control method for a washing machine in which an unbalance occurs when a washing stroke is finished and dehydration is performed without adding a rinsing stroke. will be.

본 발명에 따른 세탁기의 언밸런스 제어방법에 의하여, 세탁행정이 종료하고 탈수를 할 때 언밸런스가 발생하면 풀림행정을 행하지 않고 헹굼행정의 횟수를 추가하여 실시함으로서, 언밸런스로 인하여 중지된 세탁행정 후의 탈수과정에서 제거가 덜 된 세탁시의 물을 헹궈낼 수 있어서 헹굼효과를 감소시키지 않으면서도 물과 에너지를 절약하고 시간을 절약할 수 있다.According to the unbalance control method of the washing machine according to the present invention, if an unbalance occurs when the washing stroke is finished and dewatering, the dehydration process after the washing stroke stopped due to unbalance is performed by adding the number of rinsing strokes without performing the unwinding stroke. Water can be rinsed in less washable water, saving water and energy and saving time without reducing rinsing effects.

Description

세탁기의 언밸런스 제어방법How to control unbalance of washing machine

본 발명은 세탁기의 언밸런스 제어방법에 관한 것으로, 상세하게는 세탁행정이 종료하고 탈수를 할 때 언밸런스가 발생하면 풀림행정을 행하지 않고 헹굼행정의 실시 횟수를 추가하여 실시하는 세탁기의 언밸런스 제어방법에 관한 것이다.The present invention relates to a method for controlling an unbalance of a washing machine, and more particularly, to an unbalance control method for a washing machine in which an unbalance occurs when a washing stroke is finished and dehydration is performed without adding a rinsing stroke. will be.

일반적으로 세탁기는 모터를 동력으로 하여 회전날개(펄셰이터라고도 함) 또는 교반기(에지 데이터)를 구동하여 수류를 형성, 수류가 세탁물에 충격을 주어 세탁을 하도록 한다.In general, a washing machine uses a motor as a power to drive a rotary blade (also called a pulse shader) or an agitator (edge data) to form a stream of water, which causes the laundry to impact the laundry.

도 1은 종래의 세탁기의 언밸런스 제어방법이다.1 is an unbalance control method of a conventional washing machine.

먼저, 사용자는 세탁을 하기 위하여 기능설정부를 통하여 원하는 기능을 설정한다(S1). 제어부는 기능 설정부를 통하여 설정된 내용에 따라서 세탁기를 동작시킨다.First, the user sets the desired function through the function setting unit for washing (S1). The control unit operates the washing machine according to the contents set through the function setting unit.

제어부는 먼저 급수밸브구동부를 구동시켜서 급수밸브를 개방시켜 급수를 시작한다(S2). 이때 제어부는 냉수 혹은 온수 또는 냉온수를 급수 할 수 있다.The control unit first starts the water supply by driving the water supply valve driver to open the water supply valve (S2). At this time, the control unit may supply cold water or hot water or cold and hot water.

급수가 시작되면 제어부는 수위센서를 통하여 수조의 수위를 감지한다. 수위센서는 수조의 수위에 따른 신호를 제어부로 출력하고 제어부는 수위센서의 출력을 입력으로 받아서 수조의 수위를 판단한다. 수조의 수위가 소정수위에 도달하면 제어부는 급수밸브구동부의 구동을 정지시켜 급수밸브를 잠그고 급수를 중지시킨다.When the water supply is started, the control unit detects the water level of the water tank through the water level sensor. The water level sensor outputs a signal according to the water level of the water tank to the controller, and the controller determines the water level of the water tank by receiving the output of the water level sensor. When the water level of the water tank reaches a predetermined level, the control unit stops driving the water supply valve driver to lock the water supply valve and stop the water supply.

급수가 완료되면 제어부는 세탁기동작부를 구동시켜 세탁행정을 실시한다(S3).When the water supply is completed, the control unit drives the washing machine operation to perform the washing operation (S3).

제어부는 세탁행정이 실시되는 동안 그 시간을 적산하여 세탁행정의 종료여부를 판단한다. 제어부는 적산된 시간이 설정된 시간에 도달하였다고 판단되면 제어부는 세탁기동작부의 구동을 중지시켜 세탁행정을 종료한다.The controller determines whether the laundry administration is finished by integrating the time during the laundry administration. If it is determined that the accumulated time has reached the set time, the controller stops driving of the washing machine operating unit to terminate the washing administration.

세탁행정이 종료하고 나면 제어부는 배수밸브구동부를 구동시키는데, 배수밸브구동부는 제어부의 제어에 따라서 배수밸브를 개방시켜 배수를 시킨다(S4). 이때 제어부는 수위센서를 통하여 수위를 판단하여 배수가 거의 완료되었을 무렵 탈수행정을 실시한다(S5).After the washing operation is finished, the control unit drives the drain valve driver, and the drain valve driver opens the drain valve according to the control of the controller to drain the water (S4). At this time, the control unit determines the water level through the water level sensor and performs dehydration administration when drainage is almost completed (S5).

제어부는 탈수가 되는 동안 언밸런스스위치를 통하여 언밸런스를 감지한다. 제어부는 언밸런스스위치로터 출력되는 신호에 의하여 언밸런스를 판단(S6)한다. 이때 언밸런스가 감지되지 않으면 제어부는 탈수를 종료(S7)하고 헹굼을 하기 위하여 급수를 한다(S8).The controller detects an unbalance through an unbalance switch while dehydration is performed. The control unit determines the unbalance based on the signal output from the unbalance switch (S6). At this time, if unbalance is not detected, the controller terminates dehydration (S7) and supplies water for rinsing (S8).

급수가 완료되면 제어부는 헹굼을 실시한다(S9). 헹굼행정이 종료하면 제어부는 배수(S10)를 하고 설정된 횟수만큼 헹굼이 실시되었는지를 판단한다(S11).When the water supply is completed, the control unit performs a rinse (S9). When the rinsing cycle is finished, the control unit drains S10 and determines whether rinsing has been performed a predetermined number of times (S11).

판단(S11)에서 설정된 횟수만큼 헹굼이 실시되었다고 판단되면 제어부는 최종 탈수(S12)를 하고 종료한다.If it is determined that the rinsing has been performed a predetermined number of times in the determination (S11), the control unit performs the final dehydration (S12) and ends.

하지만 판단(S11)에서 설정된 횟수만큼 헹굼이 실시되지 않았다고 판단되면 계속적으로 헹굼을 실시한다.However, if it is determined that the rinsing has not been performed the number of times set in the determination S11, the rinsing is continuously performed.

그런데 만약 판단(S6)에서 언밸런스스위치로부터의 출력에 의하여 언밸런스가 감지된다고 판단되면 제어부는 탈수를 중지(S13)하고 풀림행정을 하기 위하여 급수를 한다(S14). 급수가 완료되면 제어부는 풀림행정을 실시하는데, 풀림행정은 풀림수류를 발생시켜 세탁물의 언밸런스상태를 해제하는 행정인데 일종의 헹굼행정이다.However, if it is determined in the determination (S6) that the unbalance is detected by the output from the unbalance switch, the control unit stops the dehydration (S13) and supplies water to perform the release stroke (S14). When the water supply is completed, the control unit performs an unwinding stroke. The unwinding stroke is a stroke for releasing the unbalanced state of the laundry by generating the unwinding water flow.

풀림행정이 소정시간동안 실시되고 나면 제어부는 배수밸브를 개방시켜 배수를 한다(S16). 배수가 완료되고 나면 제어부는 탈수행정을 실시(S5)하고 정상적인 헹굼행정을 실시한다.After the release stroke is performed for a predetermined time, the controller opens the drain valve to drain water (S16). After the drainage is completed, the control unit performs a dehydration stroke (S5) and performs a normal rinsing stroke.

이때 풀림행정은 최대 3회까지 일어날 수가 있는데, 이 경우에는 풀림행정 3회와 정상 헹굼 2회를 포함해 최대 5회의 헹굼행정을 하게 된다.At this time, the loosening stroke may occur up to three times, in which case up to five rinsing strokes are performed, including three loosening strokes and two normal rinsing cycles.

전술한 바와 같이 세탁행정 종료 후 탈수 시 언밸런스가 발생하였을 경우 언밸런스를 해제하기 위하여 물을 급수하고 풀림행정을 수행하고 또 다시 헹굼행정을 실시한다.As described above, if unbalance occurs during dehydration after the end of the washing stroke, water is released to release the unbalance, the loosening stroke is performed, and the rinsing stroke is performed again.

풀림행정은 일종의 헹굼행정인데, 이 풀림행정을 실시함으로서 원래의 헹굼행정과 더불어 헹굼행정의 횟수가 늘어나서 물을 불필요하게 많이 낭비하게 될 뿐만 아니라 에너지가 불필요하게 소비되고 세탁시간이 많이 걸리는 문제점이 있었다.The loosening stroke is a kind of rinsing stroke, and by performing the loosening stroke, the number of rinsing strokes increases in addition to the original rinsing stroke, which not only wastes a lot of water unnecessarily, but also consumes energy and takes a lot of washing time.

본 발명은 상기한 문제를 해결하기 위하여 안출된 것으로 그 목적은, 세탁행정이 종료하고 탈수를 할 때 언밸런스가 발생하면 풀림행정을 행하지 않고 헹굼행정의 실시 횟수를 추가하여 실시함으로서 물과 에너지를 절약하고 시간을 절약할 수 있는 세탁기의 언밸런스 제어방법을 제공하고자 하는 것이다.The present invention has been made in order to solve the above problems, its purpose is to save water and energy by adding the number of times of rinsing stroke without performing the loosening stroke when unbalance occurs when the washing stroke is finished and dewatering And to provide an unbalance control method of the washing machine that can save time.

도 1은 종래의 세탁기의 언밸런스 제어 흐름도이다.1 is an unbalance control flow chart of a conventional washing machine.

도 2는 본 발명에 따른 세탁기의 블럭도이다.2 is a block diagram of a washing machine according to the present invention.

도 3은 본 발명에 따른 세탁기의 언밸런스 제어 흐름도이다.3 is an unbalance control flowchart of a washing machine according to the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

1:기능설정부 2:수위센서1: Function setting part 2: Water level sensor

3:타이머 4:언밸런스스위치3: Timer 4: Unbalance switch

5:제어부 6:세탁기동작부5: control part 6: washing machine operation part

7:급수밸브구동부 8:급수밸브7: Water supply valve drive unit 8: Water supply valve

9:배수밸브구동부 10:배수밸브9: Drain valve drive part 10: Drain valve

상기한 목적을 실현하기 위한 본 발명에 따른 세탁기의 언밸런스 제어방법은, 세탁시간 또는 탈수시간 혹은 헹굼 횟수 등의 기능을 설정하는 설정단계와, 설정단계 후 급수를 하는 급수단계와, 급수단계 후 세탁을 행하는 세탁단계와, 세탁단계 후 배수를 행하는 배수단계와, 배수단계 후 탈수를 행하는 탈수단계를 포함하는 세탁기의 제어방법에 있어서, 탈수단계시 언밸런스를 판단하는 언밸런스판단단계, 언밸런스판단단계에서 언밸런스라고 판단되면 탈수단계의 탈수를 중지시키고 설정단계에서 설정된 헹굼 횟수를 증가시켜 재 설정하는 헹굼재설정단계, 헹굼재설정단계 후 헹굼재설정단계에서 설정된 헹굼 횟수만큼의 헹굼행정을 실시하는 헹굼단계를 포함하는 것을 특징으로 하는 방법이다.Unbalance control method of the washing machine according to the present invention for achieving the above object, the setting step of setting the function, such as washing time or dehydration time or rinsing frequency, the water supply step to supply water after the setting step, and washing after the water supply step In the control method of the washing machine comprising a washing step for performing a washing step, a draining step for draining after a washing step, and a dehydration step for dehydrating after a draining step, an unbalance determination step for determining an unbalance during the dehydration step, an unbalance determination step in an unbalance determination step If it is determined that the dehydration step to stop the dehydration and increase the number of rinsing set in the setting step of the rinse reset step, and after the rinse reset step includes a rinse step of performing the rinsing stroke for the number of rinse set in the rinse reset step It is a method characterized by.

이하에서는 첨부한 도면을 참조하여 양호한 실시예를 상세하게 설명하겠다.Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 세탁기의 블럭도이다.2 is a block diagram of a washing machine according to the present invention.

도 3은 본 발명에 따른 세탁기의 언밸런스 제어 흐름도이다.3 is an unbalance control flowchart of a washing machine according to the present invention.

본 발명에 따른 세탁기는, 세탁기의 기능을 설정입력 할 수 있는 기능설정부(1)와, 세탁기의 수조의 수위를 감지하여 수위신호를 출력하는 수위센서(2)를 구비한다.The washing machine according to the present invention includes a function setting unit 1 capable of setting and inputting the function of the washing machine, and a water level sensor 2 which detects the water level of the water tank of the washing machine and outputs a water level signal.

그리고 기능설정부(1)로부터의 입력에 따라서 세탁기를 제어하는 제어부(5)와, 제어부(5)의 제어에 따라서 세탁기를 동작시키는 세탁기동작부(6)와, 세탁기 행정동작시 동작시간을 적산하는 타이머(3)와, 급수시 제어부(5)의 제어에 따라서 구동되는 급수밸브구동부(7)와, 급수밸브구동부(7)의 구동에 따라서 개폐되는 급수밸브(8)를 구비한다.The controller 5 controls the washing machine according to the input from the function setting unit 1, the washing machine operating unit 6 which operates the washing machine under the control of the controller 5, and the operating time during the washing machine stroke operation. And a water supply valve driver 7 which is driven by the control of the controller 5 at the time of water supply, and a water supply valve 8 which is opened and closed by driving the water supply valve driver 7.

또한 배수시 제어부(5)의 제어에 따라서 구동되는 배수밸브구동부(9)와, 배수밸브구동부(9)의 구동에 따라서 개폐되는 배수밸브(10)를 구비한다.In addition, a drain valve driving unit 9 driven under the control of the control unit 5 at the time of drainage, and the drain valve 10 is opened and closed in accordance with the drive of the drain valve driver (9).

먼저 사용자는 기능설정부(1)를 통하여 원하는 설정을 한다(S110). 예를 들어서 세탁시간, 헹굼횟수, 탈수시간, 수온 등등인데, 사용자는 수동 혹은 자동으로 설정을 할 수 있다.First, the user makes a desired setting through the function setting unit 1 (S110). For example, washing time, rinsing frequency, dehydration time, water temperature, etc., the user can set manually or automatically.

설정을 하고 난 다음, 사용자가 기능설정부(1)의 시작버튼을 누르면 제어부(5)는 먼저 급수밸브구동부(7)를 구동시켜서 급수밸브(8)를 개방시켜 급수를 시작한다(S120).After setting, when the user presses the start button of the function setting unit 1, the controller 5 first drives the water supply valve driver 7 to open the water supply valve 8 to start water supply (S120).

이때 제어부(5)는 사용자가 기능설정부(1)를 통하여 설정한 내용에 따라서 냉수 혹은 온수 또는 냉온수를 급수 할 수 있다.In this case, the controller 5 may supply cold water, hot water, or cold / hot water according to the contents set by the user through the function setting unit 1.

급수가 시작되면 제어부(5)는 수위센서(2)를 통하여 수조의 수위를 감지한다. 수위센서(2)는 수조의 수위에 따른 신호를 제어부(5)로 출력하고 제어부(5)는 수위센서(2)의 출력을 입력으로 받아서 수조의 수위를 판단한다.When water supply starts, the control unit 5 detects the water level of the water tank through the water level sensor 2. The water level sensor 2 outputs a signal according to the water level of the water tank to the control unit 5, and the control unit 5 receives the output of the water level sensor 2 to determine the water level of the water tank.

수조의 수위가 설정(110)을 통하여 설정된 수위에 도달하면 제어부(5)는 급수밸브구동부(7)의 구동을 정지시켜 급수밸브(8)를 잠그고 급수를 중지시킨다.When the water level of the water tank reaches the set water level through the setting 110, the control unit 5 stops the driving of the water supply valve driver 7 to lock the water supply valve 8 and stop the water supply.

급수가 완료되면 제어부(5)는 세탁기동작부(6)를 구동시켜 세탁행정을 실시한다(130).When the water supply is completed, the control unit 5 drives the washing machine operating unit 6 to perform the washing operation (130).

제어부(5)는 세탁행정이 실시되는 동안 타이머(3)를 통하여 세탁행정이 실시되는 시간을 적산하여 세탁행정의 종료여부를 판단한다.The control unit 5 determines whether the laundry administration is finished by integrating the time during which the laundry administration is performed through the timer 3 during the washing administration.

제어부(5)는 타이머(3)를 통하여 적산된 시간이 설정(S110)에서 설정된 시간에 도달하였다고 판단되면 제어부(5)는 세탁기동작부(6)의 구동을 중지시켜 세탁행정을 종료한다.When the controller 5 determines that the time accumulated through the timer 3 has reached the time set in the setting S110, the controller 5 stops driving of the washing machine operating unit 6 to terminate the washing operation.

세탁행정이 종료하고 나면 제어부(5)는 배수밸브구동부(9)를 구동시키는데, 배수밸브구동부(9)는 제어부(5)의 제어에 따라서 배수밸브(10)를 개방시켜 배수를 시킨다(S140).After the washing stroke is finished, the control unit 5 drives the drain valve driver 9, and the drain valve driver 9 opens the drain valve 10 according to the control of the controller 5 to drain the water (S140). .

이때 제어부(5)는 수위센서(2)를 통하여 수위를 판단하여 배수가 거의 완료되었을 무렵 탈수행정을 실시한다(S150).At this time, the control unit 5 determines the water level through the water level sensor 2 and performs dehydration stroke when drainage is almost completed (S150).

제어부(5)는 탈수가 되는 동안 언밸런스스위치(4)를 통하여 언밸런스를 감지한다. 제어부(5)는 언밸런스스위치(4)로터 출력되는 신호에 의하여 언밸런스를 판단하게 되는데(S160), 언밸런스가 감지되었을 경우, 제어부(5)는 탈수행정을 중지시킨다(S161).The controller 5 detects the unbalance through the unbalance switch 4 during the dehydration. The control unit 5 determines the unbalance by the signal output from the unbalance switch 4 (S160). If unbalance is detected, the control unit 5 stops the dehydration operation (S161).

그리고 나서 제어부(5)는 헹굼 횟수를 재 설정한다(S162). 이때 제어부(5)는 설정(S110)에서 설정된 헹굼횟수를 증가시키고 헹굼을 하기 위하여 급수를 한다(S180).Then, the control unit 5 resets the number of rinses (S162). At this time, the controller 5 increases the number of rinses set in the setting (S110) and supplies water for rinsing (S180).

제어부(5)는 급수를 하기 위하여 급수밸브구동부(7)를 구동시켜 급수밸브(8)를 개방시킨다. 급수밸브(8)가 개방되면 급수가 시작된다. 제어부(5)는 수위센서(2)를 통하여 급수 수위를 판단하는데, 제어부(5)는 수위센서(2)를 통하여 판단한 수위가 설정된 수위가 되면 급수가 완료되었다고 판단하여 급수밸브구동부(7)의 구동을 정지시켜 급수밸브(8)를 닫아서 급수를 중단시킨다.The controller 5 drives the water supply valve driver 7 to open the water supply valve 8 to supply water. Water supply starts when the water supply valve 8 is opened. The controller 5 determines the water supply level through the water level sensor 2. The controller 5 determines that the water supply is completed when the water level determined by the water level sensor 2 reaches the set level. The water supply is stopped by closing the water supply valve (8) by stopping the driving.

급수가 완료되면 제어부(5)는 세탁기동작부(6)를 구동시켜 헹굼을 실시한다(S190). 이때 언밸런스로 인하여 세탁 후 탈수가 제대로 되지 않은 물을 헹구어 낼 수 있다.When the water supply is completed, the control unit 5 drives the washing machine operating unit 6 to rinse (S190). At this time, due to the unbalance, you can rinse off the water that is not properly dehydrated after washing.

제어부(5)는 타이머(3)를 통하여 헹굼 시간을 적산하고, 그 적산된 시간이 소정시간을 경과하면 세탁기동작부(6)의 구동을 정지시켜 헹굼을 완료한다. 그리고 나서 제어부(5)는 배수밸브구동부(9)를 구동시켜 배수밸브(10)를 개방시킨다. 배수밸브(10)가 개방되면 배수가 시작된다(S200).The controller 5 integrates the rinsing time through the timer 3, and when the accumulated time passes a predetermined time, the driving of the washing machine operating unit 6 is stopped to complete the rinsing. Then, the controller 5 drives the drain valve driver 9 to open the drain valve 10. When the drain valve 10 is opened, drainage is started (S200).

배수가 끝나면 제어부(5)는 배수밸브구동부(9)의 구동을 정지시켜 배수밸브(10)를 닫는다. 그리고 나서 제어부(5)는 세탁기동작부(6)를 구동시켜 탈수를 실시한다(S210).After the drain is finished, the control unit 5 stops driving the drain valve driver 9 to close the drain valve 10. Then, the control unit 5 drives the washing machine operating unit 6 to perform dehydration (S210).

탈수 후에는 재 설정된 헹굼 횟수에 의거하여 헹굼 횟수를 판단한다(S220). 판단(S220)에서, 단계(S161)에서 재 설정된 헹굼 횟수만큼 헹굼을 실시하지 않았다고 판단되면 헹굼을 반복한다. 두 번째부터의 헹굼부터는 정상적인 헹굼이 된다.After dehydration, the number of rinses is determined based on the reset number of rinses (S220). In the determination S220, if it is determined that the rinsing is not performed for the number of times of the rinsing reset in step S161, the rinsing is repeated. From the second rinse off, normal rinsing is done.

한편, 전술한 경우와는 달리, 판단(S160)에서 언밸런스스위치(4)로부터 입력되는 신호에 의하여 언밸런스가 아니라고 판단되면 제어부(5)는 탈수를 종료한다(S170).On the other hand, unlike the case described above, if it is determined in the determination (S160) that it is not unbalanced by the signal input from the unbalance switch 4, the control unit 5 ends the dehydration (S170).

탈수를 종료(S170)한 후에는 헹굼을 하기 위하여 급수를 한다(S180).After the dehydration is terminated (S170), water is supplied for rinsing (S180).

급수를 하기 위하여 제어부(5)는 급수밸브구동부(7)를 구동시키고, 급수밸브구동부(7)는 제어부(5)의 제어에 따라서 급수밸브(8)를 개방시켜 급수를 한다.In order to supply water, the control unit 5 drives the water supply valve driver 7, and the water supply valve driver 7 opens the water supply valve 8 under the control of the control unit 5 to supply water.

급수가 시작되면 제어부(5)는 수위센서(2)를 통하여 급수되는 물의 수위를 감지한다. 수위센서(2)를 통하여 급수되는 물의 수위를 감지하여, 그 수위가 설정된 수위에 이르렀다고 판단되면 제어부(5)는 급수밸브구동부(7)의 구동을 정지시킨다. 그러면 급수밸브(8)는 닫히고 급수는 완료된다.When the water supply starts, the control unit 5 detects the water level of the water supplied through the water level sensor 2. When the water level of the water supplied through the water level sensor 2 is sensed and it is determined that the water level reaches the set water level, the controller 5 stops driving of the water supply valve driver 7. Then the water supply valve 8 is closed and water supply is completed.

급수가 완료되고 나면 제어부(5)는 세탁기동작부(6)를 구동시켜 헹굼을 실시한다(S190). 이때의 헹굼은 언밸런스가 발생하지 않았을 때의 정상적인 헹굼이다.After the water supply is completed, the controller 5 drives the washing machine operating part 6 to rinse (S190). Rinsing at this time is a normal rinsing when unbalance has not occurred.

헹굼이 실시되는 동안 제어부(5)는 타이머(3)를 통하여 헹굼이 실시되는 시간을 판단한다. 타이머(3)가 적산한 시간이 설정된 시간이 되면 제어부(5)는 세탁기동작부(6)의 구동을 정지시킨다.While the rinsing is performed, the control unit 5 determines the time when the rinsing is performed through the timer 3. When the time accumulated by the timer 3 reaches the set time, the controller 5 stops driving of the washing machine operating part 6.

그리고 나서 배수밸브구동부(9)를 구동시킨다. 배수밸브구동부(9)는 제어부(5)의 제어에 따라서 배수밸브(10)를 개방시켜 배수를 한다(S200).Then, the drain valve driver 9 is driven. The drain valve driver 9 drains the drain valve 10 by opening the drain valve 10 under the control of the controller 5 (S200).

이때 제어부(5)는 수위센서(2)를 통하여 배수완료를 판단하는데, 배수가 완료되면 제어부(5)는 배수밸브구동부(9)의 구동을 정지시켜 배수밸브(10)를 닫고 배수를 완료한다.At this time, the control unit 5 determines the completion of drainage through the water level sensor 2, and when the drainage is completed, the control unit 5 stops driving the drain valve driver 9 to close the drain valve 10 and completes the drainage. .

배수가 완료되고 나면 제어부(5)는 탈수를 실시한다(S210). 제어부(5)는 타이머(3)를 통하여 탈수시간을 적산하고 적산된 시간이 설정된 시간이 되면 탈수를 완료한다. 그리고 제어부(5)는 설정(S110)에서 설정된 횟수만큼 헹굼을 실시했는지를 판단한다(S220).After the drainage is completed, the control unit 5 performs dehydration (S210). The controller 5 integrates the dehydration time through the timer 3 and completes the dehydration when the accumulated time reaches the set time. In addition, the controller 5 determines whether rinsing is performed the number of times set in the setting S110 (S220).

판단(S220)에서 설정(S110)에서 설정된 횟수만큼 헹굼을 실시했다고 판단되면 제어부(5)는 세탁을 완료하고 종료를 한다.If it is determined in the determination (S220) that the rinsing is performed the number of times set in the setting (S110), the control unit 5 completes the washing and ends.

그런데 판단(S220)에서 설정된 횟수만큼 헹굼이 실시되지 않았다고 판단되면 제어부(5)는 계속 헹굼을 실시한다.However, if it is determined that the rinsing is not performed the number of times set in the determination (S220), the control unit 5 continues to rinse.

본 발명에 따른 세탁기의 언밸런스 제어방법에 의하여, 세탁행정이 종료하고 탈수를 할 때 언밸런스가 발생하면 풀림행정을 행하지 않고 헹굼행정의 횟수를 추가하여 실시함으로서, 언밸런스로 인하여 중지된 세탁행정 후의 탈수과정에서 제거가 덜 된 세탁시의 물을 헹궈낼 수 있어서 헹굼효과를 감소시키지 않으면서도 물과 에너지를 절약하고 시간을 절약할 수 있다.According to the unbalance control method of the washing machine according to the present invention, if an unbalance occurs when the washing stroke is finished and dewatering, the dehydration process after the washing stroke stopped due to unbalance is performed by adding the number of rinsing strokes without performing the unwinding stroke. Water can be rinsed in less washable water, saving water and energy and saving time without reducing rinsing effects.

Claims (2)

세탁시간 또는 탈수시간 혹은 헹굼 횟수 등의 기능을 설정하는 설정단계와, 상기 설정단계 후 급수를 하는 급수단계와, 상기 급수단계 후 세탁을 행하는 세탁단계와, 상기 세탁단계 후 배수를 행하는 배수단계와, 상기 배수단계 후 탈수를 행하는 탈수단계를 포함하는 세탁기의 제어방법에 있어서,A setting step of setting functions such as washing time or dehydration time or rinsing frequency, a water supply step of supplying water after the setting step, a washing step of washing after the water supply step, and a draining step of draining after the washing step; In the control method of the washing machine comprising a dehydration step of performing dehydration after the drainage step, 상기 탈수단계시 언밸런스를 판단하는 언밸런스판단단계,An unbalance determination step of determining an unbalance during the dehydration step, 상기 언밸런스판단단계에서 언밸런스라고 판단되면 상기 탈수단계의 탈수를 중지시키고 상기 설정단계에서 설정된 헹굼 횟수를 증가시켜 재 설정하는 헹굼재설정단계,A rinse reset step of stopping the dehydration of the dehydration step and increasing the number of rinses set in the setting step if the unbalance is determined in the unbalance determination step; 상기 헹굼재설정단계 후 상기 헹굼재설정단계에서 설정된 헹굼 횟수만큼의 헹굼행정을 실시하는 헹굼단계를 포함하는 것을 특징으로 하는 세탁기의 언밸런스 제어방법.And a rinsing step of performing a rinsing stroke as many times as the number of rinses set in the rinsing resetting step after the rinsing reset step. 제 1항에 있어서,The method of claim 1, 상기 헹굼재설정단계는 상기 설정단계 설정된 헹굼 횟수를 1회 증가시켜 재 설정하는 것을 특징으로 하는 세탁기의 언밸런스 제어방법.The rinsing reset step is unbalanced control method of the washing machine, characterized in that for resetting by increasing the set number of rinsing step once.
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