KR0166914B1 - Draining pump control method of a washing machine in intermittent dehydration - Google Patents

Draining pump control method of a washing machine in intermittent dehydration Download PDF

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Publication number
KR0166914B1
KR0166914B1 KR1019950040183A KR19950040183A KR0166914B1 KR 0166914 B1 KR0166914 B1 KR 0166914B1 KR 1019950040183 A KR1019950040183 A KR 1019950040183A KR 19950040183 A KR19950040183 A KR 19950040183A KR 0166914 B1 KR0166914 B1 KR 0166914B1
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South Korea
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pump
dehydration
washing machine
pump control
control method
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KR1019950040183A
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Korean (ko)
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KR970027437A (en
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김상훈
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구자홍
엘지전자주식회사
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/30Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

본 발명은 간탈시 배수방법에 관한 것으로, 특히 펌프제어를 통해 간탈시 배수는 원활히하여 탈수시 탈수전동기 및 펌프의 과도한 온도상승을 방지하도록 한 세탁기의 간탈시 펌프제어방법에 관한 것이다.The present invention relates to a drainage method for liver degassing, and more particularly, to a pump control method for liver degassing of a washing machine to prevent excessive temperature rise of a dehydration motor and a pump during dehydration by smoothly draining water through a pump control.

상기와 같은 목적을 달성하기 위한 본 발명의 세탁기의 배수 펌프 제어방법은 강제 배수동작으로 세탁물의 잔류 세탁수를 포함하여 일정시간 배수시키는 제1단계와, 일정시간 탈수행정을 수행하여 0.1-5초동안 정지하고, 강제 배수동작만을 각각 단시간 동안 기동과 정지하고 다시 재기동을 수행하는 제2단계와, 설정된 간탈 횟수만큼 상기 제2단계를 반복 수행하는 제3단계로 이루어짐을 특징으로 한다.Drainage pump control method of the washing machine of the present invention for achieving the above object is a first step of draining a predetermined time including the residual wash water of the laundry by a forced drainage operation, and performs a dehydration stroke for a predetermined time 0.1-5 seconds It is characterized in that it comprises a second step of stopping for a short time, only the forced drainage operation for a short time, and restarting again, and a third step of repeating the second step by a set number of times of deprivation.

Description

세탁기의 간탈시 배수 펌프 제어방법How to control the drainage pump during intermittent washing machine

제1도는 종래의 일반적인 세탁기의 간탈시 배수 펌프제어장치에 대한 구성블록도 .Figure 1 is a block diagram of a conventional drainage pump control device for deintercalation of a conventional washing machine.

제2도는 제1도에 대한 동작파형도 .2 is an operating waveform diagram of FIG.

제3도는 일반적인 세탁기의 배수펌프를 나타낸 단면상세도.3 is a cross-sectional detail view showing a drain pump of a general washing machine.

제4도는 본 발명의 세탁기의 간탈시 배수 펌프 제어방법에 대한 동작파형도 .Figure 4 is an operating waveform diagram for the control method of drainage pump during deciphering of the washing machine of the present invention.

제5도는 본 발명의 세탁기의 간탈시 배수 펌프 제어방법에 대한 플로우차트 .5 is a flowchart of a method for controlling the drainage pump during deintercalation of the washing machine of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 제어부 2 : 모터구동부1 control unit 2 motor drive unit

3 : 펌프구동부 4 : 탈수모터3: pump driving unit 4: dehydration motor

5 : 배수펌프 11 : 펌프모터5: drain pump 11: pump motor

12 : 배수구 13 : 펌프케이스12: drain port 13: pump case

본 발명은 세탁기의 간탈시 배수 펌프 방법에 관한 것으로, 특히 배수 펌프제어를 통해 간탈시 배수를 원활히하여 탈수전동기 및 펌프의 과도한 온도상승을 방지하도록 한 세탁기의 간탈시 배수 펌프 제어방법에 관한 것이다.The present invention relates to a drainage pump method for intermittent dehydration of a washing machine, and more particularly, to a drainage pump control method for intermittent dehydration of a washing machine to prevent excessive temperature rise of a dehydration motor and a pump by smoothly draining water through a dehydration pump control.

제1도는 종래의 일반적인 세탁기의 간탈시 배수 펌프제어장치에 대한 구성블록도이고, 제2도는 제1도에 대한 동작파형도이다.FIG. 1 is a block diagram of a conventional drainage pump control apparatus for degassing a conventional washing machine, and FIG. 2 is an operating waveform diagram of FIG.

종래의 일반적인 세탁기의 간탈시 배수펌프 제어장치는 첨부된 도면 제1도에 도시된 바와같이, 시스템 전체를 제어하기 위해 제어신호를 출력하는 제어부(1)와, 2개의 콘덴서(C)와 저항(R)과 트라이악(TR)으로 구성되어 상기 제어부(1)의 제어신호에 의해 구동전원을 출력하는 모터구동부(2) 및 펌프구동부(3)와, 상기 모터구동부(2) 및 펌프구동부(3)의 구동전원으로 터브를 회전시키고 터브내의 하부에 고인물을 배수시키는 탈수모터(4) 및 배수펌프(5)로 이루어진다.A conventional drainage pump control apparatus for degassing a washing machine includes a control unit 1 for outputting a control signal for controlling the whole system, two condensers C, and a resistor as shown in FIG. A motor driver 2 and a pump driver 3 configured to output driving power according to a control signal of the controller 1, and the motor driver 2 and the pump driver 3 It consists of a dehydration motor (4) and a drain pump (5) for rotating the tub by the driving power of the) and draining the waste in the lower part of the tub.

상기와 같이 구성된 종래의 일반적인 세탁기의 배수 펌프제어장치에 대한 동작은 제2도에 도시된 동작파형도에 따라 탈수모드에 의해서 제어부(1)는 펌프구동부(3)에 제어신호를 출력하여 트라이악(TR)을 동작시키고 이 트라이악(TR)의 동작에 의해 구동전원에 배수펌프(5)에 인가되어 터브에 고인 세탁수를 배수호스로 배출시킨다.Operation of the conventional drainage pump control device of the conventional washing machine configured as described above is a triac by outputting a control signal to the pump drive unit 3 by the dehydration mode according to the operation waveform diagram shown in FIG. TR is operated and the triac TR is applied to the drainage pump 5 to the driving power supply to discharge the wash water accumulated in the tub into the drain hose.

상기 세탁수를 제2도의 A시간동안 배수시킨 직후, 상기 제어부(1)는 모터구동부(2)에도 제어신호를 출력하여 트라이악(TR)을 동작시키고, 이 트라이악(TR)에 의해 구동전원이 탈수모터(4)에 인가되어 터브를 회전시킨다.Immediately after draining the wash water for A time of FIG. 2, the control unit 1 outputs a control signal to the motor driving unit 2 to operate the triac TR, and the driving power is driven by the triac TR. It is applied to this dewatering motor 4 to rotate the tub.

이때, 상기 터브의 회전으로 세탁물이 탈수되고, 이 탈수된 세탁수를 배수펌프(5)의 배수호스로 배수시킨다.At this time, the laundry is dewatered by the rotation of the tub, the dewatered wash water is drained to the drain hose of the drain pump (5).

그리고, 제2도의 B시간동안 탈수와 배수를 수행한 후 제어부(1)의 제어신호에 의해 탈수모터(4)와 배수펌프(5)를 정시키고, C시간 이후에 다시 배수펌프(5)만을 동작시키고 A시간 이후에 탈수모터(4)를 함께 동작시킨다.After performing dehydration and drainage for B time of FIG. 2, the dehydration motor 4 and the drain pump 5 are determined by the control signal of the controller 1, and after the C time, only the drain pump 5 is again. The dehydration motor 4 is operated together after A hours.

상기와 같은 과정을 2~3회 반복 수행한다.Repeat the same procedure 2 to 3 times.

상기와 같은 종래의 일반적인 세탁기의 배수 펌프제어장치는 탈수용량이 증가할 경우 초기 간탈시(간헐탈수시) 옷감에서 분리되는 세탁수의 량 및 탈수전동기의 회전수에 따라 펌프내부에 공동화 즉, 캐비테이션(cavitation)현상이 발생하였고, 이 캐비테이션 현상으로 인하여 탈수할 옷감에서 분리된 세탁수가 펌프에 의해 배수되지 못하고, 이 세탁수는 세탁기의 터브에 고이게 된다.The drainage pump control apparatus of the conventional general washing machine as described above is cavitation, that is, cavitation in the pump according to the amount of wash water separated from the cloth during initial inter-dehydration (intermittent dehydration) and the number of revolutions of the dehydration motor when the dehydration capacity increases. Cavitation has occurred, and the cavitation phenomenon prevents the wash water separated from the cloth to be dewatered and drained by the pump, and the wash water accumulates in the tub of the washing machine.

이 고인 세탁수는 탈수모터의 회전수가 정상 회전수에 다다랐을때 원심력에 의해 세탁수가 터브 내면을 타고 회전하게 되어 탈수모터가 과부하상태로 온도상승을 유발시키는 문제점이 있었다.The dehydrated wash water had a problem that the dewatered motor rotates due to centrifugal force when the number of revolutions of the dewatering motor reaches the normal number of revolutions, causing the dehydration motor to rise in temperature due to overload.

본 발명은 상기와 같은 문제점을 해결하기 위한 안출한 것으로, 특히 펌프제어를 통해 간탈시 배수를 원활히하여 탈수시 탈수전동기 및 펌프의 과도한 온도상승을 방지도록 한 세탁기의 간탈시 배수 펌프 제어방법을 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, in particular, to provide a drainage pump control method for the intermittent dehydration of the washing machine to prevent excessive temperature rise of the dehydration motor and the pump during dehydration by smoothly draining during intermittent dehydration through pump control. Its purpose is to.

상기와 같은 목적을 달성하기 위한 본 발명의 세탁기의 간탈시 배수 펌프 제어방법은 강제 배수동작으로 세탁물의 잔류 세탁수를 포함하여 일정시간 배수시키는 제1단계와, 일정시간 탈수행정을 수행하여 0.5-1초동안 정지하고, 강제 배수동작만을 각각 단시간 동안 기동과 정지하고 다시 재기동을 수행하여 제2단계와, 설정된 간탈 횟수만큼 상기 제2단계를 반복 수행하는 제3단계로 이루어짐을 특징으로 한다. 이하, 첨부된 도면을 참조하여 본 발명의 세탁기의 간탈시 펌프제어방법을 설명하면 다음과 같다.The drainage pump control method of the washing machine of the present invention for achieving the above object is a first step of draining a predetermined time including the residual wash water of the laundry by a forced draining operation, and performing a dehydration stroke for a predetermined time 0.5- It is characterized in that it consists of a second step and a third step of repeating the second step by the set number of times of derailment by stopping for 1 second, starting and stopping only the forced drainage operation for a short time, and restarting again. Hereinafter, with reference to the accompanying drawings will be described a pump control method during the de-cigaration of the washing machine of the present invention.

제3도는 일반적인 세탁기의 배수펌프를 나타낸 상세도이고, 제4도는 본 발명의 세탁기의 간탈시 펌프제어방법에 대한 동작파형도이고, 제5도는 세탁기의 간탈시 펌프제어방법에 대한 플로우차트이다.FIG. 3 is a detailed view showing a drain pump of a general washing machine, and FIG. 4 is an operation waveform diagram of a pump control method when deciphering a washing machine of the present invention, and FIG. 5 is a flowchart of a method of controlling a pump when demounting a washing machine.

본 발명의 세탁기의 간탈시 펌프제어방법에 대한 동작은 제3도내지 제5도에 도시된 바와같이, 탈수모드가 시작되면 제어부(1)는 펌프구동부(3)에 제어신호를 출력하여 트라이악(TR)을 동작시키고, 이 트라이악(TR)의 동작에 의해 구동전원으로 배수펌프(5)를 동작시켜(101) 터브에 고인 세탁수가 재설정 수위로 낮아질 때까지 배수호스로 세탁수를 배출시킨다(102).Operation of the pump control method during the degassing of the washing machine of the present invention is shown in FIGS. 3 to 5, when the dehydration mode is started, the control unit 1 outputs a control signal to the pump drive unit 3 to triac (TR) is operated and the drain pump 5 is operated by the driving power supply by the operation of the triac TR (101) to discharge the wash water to the drain hose until the wash water accumulated in the tub is lowered to the reset level. (102).

이후 세탁물에서 분리된 세탁수가 터브하부로 빠져나와서 펌프케이스(13)로 유입되고 (103), 계속된 펌프모터(11)의 구동에 의해 배수구(12)를 통해서 높이 1m의 배수호스로 배수된다(104).Then, the wash water separated from the laundry flows out to the bottom of the tub and flows into the pump case 13 (103), and is drained into a drain hose having a height of 1 m through the drain hole 12 by the continued driving of the pump motor 11 ( 104).

이때, 제4도의 일정 X시간이 되면 상기 제어부(1)는 모터구동부(2)로 제어신호를 출력하여 트라이악(TR)을 동작시키고 이 트라이악(TR)의 동작에 의해 구동전원으로 탈수모터를 함께 구동시켜 탈수에 의해 터브에 고인 세탁수가 펌프케이스(13)에 배수펌프(5)의 펌프모터(11)의 동작으로 배수한다(105).At this time, when a predetermined X time of FIG. 4 is reached, the control unit 1 outputs a control signal to the motor driving unit 2 to operate the triac TR, and the dehydration motor is driven by the driving power by the operation of the triac TR. By driving together, the washing water accumulated in the tub by dehydration is drained to the pump case 13 by the operation of the pump motor 11 of the drain pump 5 (105).

상기 탈수와 배수동작이 제4도의 일정 Y시간 경과후, 상기 제어부(1)의 제어신호에 의해 탈수모터(4)와 배수펌프(5)를 정지시킨다(106).After the dehydration and drainage operation has elapsed for a predetermined Y time in FIG. 4, the dehydration motor 4 and the drain pump 5 are stopped by the control signal of the controller 1 (106).

그러면 상기 차단이후 0.1~1초동안 배수펌프(5)의 배수호스에 잔류하는 세탁수가 배수구(12)를 통해 역류되어 펌프케이스(13)에 고이므로 내부의 캐비테이션 현상을 없애고, 다시 제어부(1)의 제어신호에 의해 배수펌프(5)만을 0.5~1초 동안 기동시켜 상기 펌프케이스(13)에 고인 세탁수를 배수시키고, 또 다시 0.5~1초 동안 상기 배수펌프(5)를 정지시킨다.Then, since the wash water remaining in the drain hose of the drain pump 5 for 0.1 to 1 second after the shut-off flows back through the drain hole 12, the pump case 13 is eliminated, and thus the internal cavitation phenomenon is eliminated, and the control unit 1 again. In response to the control signal of only the drain pump 5 is started for 0.5 to 1 second to drain the wash water accumulated in the pump case 13, and again to stop the drain pump 5 for 0.5 to 1 second.

이때 소요된 시간을 Z시간이라 하면 이 Z시간 이후 상기 배수펌프(5)를 재기동시킨다(107).At this time, if the time required is Z time, the drain pump 5 is restarted after this Z time (107).

일정시간후 설정된 간탈 횟수가 될때까지 배수와 함께 탈수동작을 수행하고, 다시 탈수동작을 정지하여 각각 0.1~1초 동안 배수펌프(5)를 정지, 기동, 정지한 후 다시 재기동한다(108).After a predetermined time, the dehydration operation is performed together with the drainage until the set number of times of dehydration is reached, and the dehydration operation is again stopped, and the drain pump 5 is stopped, started, and stopped again for 0.1 to 1 second, respectively, and then restarted (108).

상기 설정된 간탈횟수가 되면 탈수모드를 정지시켜 종료한다(109).When the set number of times of dehydration is reached, the dehydration mode is stopped and terminated (109).

상기와 같은 본 발명의 세탁기의 간탈시 펌프제어방법은 세탁기의 탈수 용랑증가에 따라 배수펌프의 출력을 증가시키지 않고 기존의 배수펌프를 이용하여 간탈 성능을 향상시키며 과도한 온도상승을 방지하여 세탁기의 안전성을 확보할 수 있는 효과가 있다.The pump control method of the washing machine according to the present invention as described above improves the liver dewatering performance by using the existing drain pump without increasing the output of the drain pump according to the increase in the dehydration of the washing machine, and prevents excessive temperature rise. There is an effect that can be secured.

Claims (2)

강제 배수동작으로 세탁물의 잔류 세탁수를 포함하여 일정시간 배수시키는 제1단계와, 일정시간 탈수행정을 수행하여 0.5~1초동안 정지하고, 강제 배수동작만을 각각 단시간 동안 기동과 정지하고 다시 재기동을 수행하는 제2단계와, 설정된 간탈 횟수만큼 상기 제2단계를 반복 수행하는 제3단계로 이루어짐을 특징으로 하는 세탁기의 간탈시 배수 펌프 제어방법.The first step of draining the laundry including the remaining wash water of the laundry by the forced drainage operation and stopping for 0.5 ~ 1 second by performing the dehydration stroke for a certain time, starting and stopping only the forced drainage operation for a short time and restarting again. And a third step of performing the second step, and repeating the second step as many times as the set number of times of settling. 제1항에 있어서, 상기 제2단계의 기동과 정지시간은 0.5-1초동안이고 재기동시간은 일반 탈수행정의 강제 배수시간으로 설정함을 특정으로 하는 세탁기의 간탈시 배수 펌프 제어방법.The method of claim 1, wherein the start and stop time of the second step is 0.5-1 seconds and the restart time is set to a forced drainage time of a general dehydration stroke.
KR1019950040183A 1995-11-08 1995-11-08 Draining pump control method of a washing machine in intermittent dehydration KR0166914B1 (en)

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