KR100249689B1 - Drain pump driving control method during dehydration period in the washing machine - Google Patents

Drain pump driving control method during dehydration period in the washing machine Download PDF

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Publication number
KR100249689B1
KR100249689B1 KR1019970049243A KR19970049243A KR100249689B1 KR 100249689 B1 KR100249689 B1 KR 100249689B1 KR 1019970049243 A KR1019970049243 A KR 1019970049243A KR 19970049243 A KR19970049243 A KR 19970049243A KR 100249689 B1 KR100249689 B1 KR 100249689B1
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South Korea
Prior art keywords
dehydration
washing
motor
stroke
drainage pump
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KR1019970049243A
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Korean (ko)
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KR19990026926A (en
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김재문
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구자홍
엘지전자주식회사
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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 
    • D06F37/32—Driving arrangements  for rotating the receptacle at one speed only
    • D06F37/34—Driving arrangements  for rotating the receptacle at one speed only in opposite directions, e.g. oscillating
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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

Abstract

본 발명은 탈수시 배수를 시키는 배수펌프의 구동을 탈수 전반에 걸쳐 알맞게 제어 함으로써 탈수시 발생되는 소음을 저감시키고 배수펌프 모터의 온도 상승을 낮추어 배수 펌프의 수명을 연장함과 아울러 에너지 절약 효과도 도모하도록 한 세탁기의 탈수시 배수펌프 구동 제어방법에 관한 것으로서, 이러한 본 발명은 탈수 행정이 시작되면 바로 배수펌프를 구동시켜 공수위를 만들고, 공수위가 되면 세탁/탈수모터를 정,역으로 구동시켜 포풀림 행정을 진행시키면서 편심을 감지하며, 포풀림 행정시 편심이 없으면 탈수 행정으로 진입하여 배수 펌프를 구동 시킴과 동시에 세탁/탈수 모터를 구동시킨 후 탈수 속도에 도달하면 일정 시간후 배수펌프의 구동을 정지시키고 탈수를 진행시키게 되며, 이후 탈수가 완료되면 세탁/탈수모터를 정지시키고 일정시간 세탁/탈수모터를 정,역으로 구동시켜 포풀림 행정을 진행시키면서 배수펌프를 구동시켜 세탁조내의 잔수를 배수시키고 탈수 행정을 종료함으로써, 배수소음을 저감시키고 모터의 손실을 방지함과 아울러 전기에너지의 낭비를 방지하게 되는 것이다.The present invention reduces the noise generated during dehydration and reduces the temperature rise of the drain pump motor by appropriately controlling the operation of the drain pump that drains water during dehydration. The present invention relates to a drainage pump driving control method for dehydration of a washing machine, such that when the dehydration stroke is started, the drainage pump is directly driven to create a water level, and when the water level is reached, the washing / dehydration motor is driven forward and backward. Detects eccentricity during the inflated stroke, if there is no eccentricity in the inflated stroke, enters the dehydration stroke, drives the drain pump and drives the washing / dehydration motor. To stop the washing and dehydration, and then stop the washing / dehydration motor after By driving the washing / dehydrating motor in the forward and reverse directions for a full-flushing operation, the drainage pump is driven to drain the remaining water in the washing tank and the dehydration process is completed, thereby reducing drainage noise and preventing the loss of the motor. It is to prevent waste of energy.

Description

세탁기의 탈수시 배수펌프 구동 제어방법How to control drainage pump when dehydrating washing machine

본 발명은 세탁기에 관한 것으로, 특히 탈수시 배수를 시키는 배수펌프의 구동을 탈수 전반에 걸쳐 알맞게 제어 함으로써 탈수시 발생되는 소음을 저감시키고 배수펌프 모터의 온도 상승을 낮추어 배수 펌프의 수명을 연장함과 아울러 에너지 절약 효과도 도모하도록 한 세탁기의 탈수시 배수펌프 구동 제어방법에 관한 것이다.The present invention relates to a washing machine, and in particular, by controlling the operation of the drain pump for draining water during dehydration, it is possible to reduce the noise generated during dehydration and to lower the temperature rise of the drain pump motor to extend the life of the drain pump. In addition, the present invention relates to a drainage pump driving control method when the washing machine is dehydrated to achieve an energy saving effect.

일반적으로, 세탁기는 더럽혀진 세탁물을 세탁 행정, 헹굼 행정, 탈수 행정을 순차적으로 소정 시간 또는 소정 회수 진행시켜 세탁물을 깨끗하게 해주는 장치이다.In general, a washing machine is a device that cleans laundry by sequentially performing a predetermined time or a predetermined number of washing, rinsing, and dehydrating strokes on dirty soil.

이러한 일반적인 세탁기는, 먼저 사용자가 세탁조내에 세탁할 세탁물을 넣고 세제를 알맞게 넣은 후 동작시키면, 포량 감지에 의해 알맞는 수위를 설정하고, 그 설정한 수위에 대응되도록 급수를 한후, 급수가 종료되면 최초 행정인 세탁 행정으로 진입하게 된다. 그런후 세탁 행정이 종료되면 배수를 하고 다음 행정인 헹굼 행정으로 진행하게 되며, 헹굼 행정이 완료되면 탈수 행정을 진행 시키게 되는데, 여기서 헹굼 행정과 탈수 행정은 사용자가 설정하거나 자동으로 설정한 회수만큼 행정을 반복 수행하게 된다.In such a general washing machine, when a user first puts laundry to be washed in a washing tank and puts a detergent properly, the user sets a suitable level by detecting a quantity of water, supplies water to correspond to the set level, You will enter an administrative laundry. Then, when the washing stroke is finished, the water is drained and proceeds to the next rinsing stroke, and when the rinsing stroke is completed, the dehydrating stroke is performed, where the rinsing stroke and the dehydrating stroke are performed by the number of times set or automatically set by the user. Will be repeated.

이러한 세탁 행정과 헹굼 행정 및 탈수 행정을 순차 진행시켜 세탁을 행하는 일반적인 세탁기에 있어서, 종래 탈수시 배수펌프의 구동을 제어하는 과정을 살펴보면 첨부한 도면 도 1에 도시된 바와 같다.In a general washing machine which performs washing by sequentially washing and rinsing and dehydrating, the process of controlling the driving of the drainage pump during dehydration is as shown in FIG. 1.

이에 도시된 바와 같이, 탈수 행정이 시작되면 바로 배수 펌프를 구동시키고(S1), 다음 단계로 편심 감지 및 포풀림 행정을 진행 시킨다(S2). 즉, 세탁 모터를 정,역으로 소정시간 구동시켜 포풀림을 수행하고, 편심을 감지하여 편심이 존재하면 다시 한번 포풀림 행정을 진행시키고, 포풀림 행정후 편심이 없으면 다음으로 탈수 행정을 진행시킨다(S3 - S5). 탈수 행정시에는 탈수 속도에 맞게 모터를 구동시키고, 상기 탈수 속도에 맞게 일정시간 모터의 구동을 유지한 후 모터를 정지시킨다(S6 - S7). 그리고 다음 행정인 포풀림 행정을 전술한 바와 같이 모터를 정,역으로 일정시간 구동시켜 수행하고, 모터 정지후 배수 펌프의 구동을 정지시킨 후 탈수 행정을 종료하게 된다(S8 - S10).As shown in the drawing, when the dehydration stroke is started, the drain pump is immediately driven (S1), and the eccentric detection and the inflated stroke are carried out to the next step (S2). That is, the washing motor is driven forward and reverse for a predetermined time to perform the inflation, and if the eccentricity is detected and the eccentric exists, the inflation stroke is performed once again. (S3-S5). During the dehydration stroke, the motor is driven according to the dehydration speed, and the motor is stopped after maintaining the driving of the motor for a predetermined time according to the dewatering speed (S6-S7). Then, the inflated stroke, which is the next stroke, is performed by driving the motor forward and backward for a predetermined time as described above, and after the motor stops, the driving of the drain pump is stopped and the dehydration stroke is ended (S8-S10).

그런데, 상기와 같은 종래의 탈수 행정은 탈수 시작과 동시에 배수펌프가 구동 되도록 하고, 탈수 종료시 배수펌프가 정지되도록 제어하기 때문에 탈수 행정 전 구간에 걸쳐 배수펌프가 지속적으로 구동 되어 다음과 같은 다수의 문제점을 발생 하였다.However, in the conventional dehydration stroke, the drain pump is driven at the same time as the start of dehydration, and the drain pump is stopped at the end of the dehydration, so that the drain pump is continuously driven over the entire dehydration stroke. Occurred.

즉, 첫 번째로 탈수시 일정시간 배수 펌프를 구동시키면 세탁조의 물이 배수되는데, 배수후에도 배수펌프를 탈수가 종료될때까지 계속적으로 구동시키므로 배수호스에 잔류하는 물에 의해 배수 소음이 심하게 발생되는 문제점을 발생 하였다.In other words, when the drainage pump is driven for a certain time during dehydration, the water in the washing tank is drained, and after draining, the drainage pump is continuously driven until the dehydration is completed. Occurred.

두 번째로 배수후 물이 없는 상태에서도 탈수 행정이 종료되기까지는 배수펌프가 지속적으로 구동되므로 배수펌프의 온도 상승이 높아져 배수펌프 모터 코일에 손상을 주는 문제점을 발생 하였다.Secondly, even after there is no water after drainage, the drainage pump is continuously driven until the dehydration stroke is completed. Therefore, the temperature rise of the drainage pump is increased, causing damage to the drainage pump motor coil.

세 번째로는 배수후 물이 없는 상태에서도 배수 펌프가 탈수 종료시까지는 구동되므로 배수펌프의 공회전으로 전기 에너지가 낭비되는 문제점을 발생 하였다.Thirdly, since the drain pump is driven until the end of dehydration even in the absence of water after draining, electric energy is wasted due to idling of the drain pump.

이에 본 발명은 상기와 같은 종래 세탁기의 탈수 행정시 발생하는 제반 문제점을 해결하기 위해서 제안된 것으로,Accordingly, the present invention has been proposed to solve various problems occurring during the dehydration stroke of the conventional washing machine as described above.

본 발명은 탈수시 배수를 시키는 배수펌프의 구동을 탈수 전반에 걸쳐 알맞게 제어 함으로써 탈수시 발생되는 소음을 저감시키도록 세탁기의 탈수시 배수펌프 구동 제어방법을 제공하는 데 그 목적이 있다.An object of the present invention is to provide a drainage pump driving control method during dehydration of a washing machine so as to reduce noise generated during dehydration by appropriately controlling driving of a drainage pump for draining water during dehydration.

본 발명의 다른 목적은, 탈수시 배수를 시키는 배수펌프의 구동을 탈수 전반에 걸쳐 알맞게 제어 함으로써 배수펌프 모터의 온도 상승을 낮추어 배수 펌프의 수명을 연장토록 세탁기의 탈수시 배수펌프 구동 제어방법을 제공하는 데 있다.Another object of the present invention is to provide a method for controlling the drainage pump drive during dehydration of the washing machine to extend the life of the drainage pump by lowering the temperature rise of the drainage pump motor by appropriately controlling the driving of the drainage pump to drain the drainage during dehydration. There is.

본 발명의 또 다른 목적은, 탈수시 배수를 시키는 배수펌프의 구동을 탈수 전반에 걸쳐 알맞게 제어 함으로써 물이 없는 상태에서 배수펌프가 구동되어 발생하는 전기 에너지의 낭비를 방지하도록 세탁기의 탈수시 배수펌프 구동 제어방법을 제공하는 데 있다.Still another object of the present invention is to properly control the driving of the drainage pump to drain water during dehydration, so that the drainage pump during dehydration of the washing machine to prevent waste of electrical energy generated by driving the drainage pump in the absence of water. It is to provide a drive control method.

이러한 본 발명의 목적들을 달성하기 위한 제안방법은,Proposed method for achieving the objects of the present invention,

탈수 행정이 시작되면 바로 배수펌프를 구동시켜 공수위를 만드는 제1과정과;A first step of creating a water level by driving a drain pump as soon as the dewatering stroke is started;

상기 공수위가 되면 모터를 정,역으로 구동시켜 포풀림 행정을 진행시키면서 편심을 감지하는 제2과정과;A second step of detecting an eccentricity while driving the motor forward and backward when the airborne level reaches the air level;

상기 포풀림 행정시 편심이 없으면 탈수 행정으로 진입하여 배수 펌프를 구동 시킴과 동시에 탈수 모터를 구동시키는 제3과정과;A third step of, if there is no eccentricity in the inflated stroke, enters a dewatering stroke to drive a drain pump and simultaneously drive a dewatering motor;

상기 탈수 모터의 구동후 탈수 속도에 도달하면 일정 시간후 배수펌프의 구동을 정지시키고 탈수를 진행시키는 제4과정과;A fourth step of stopping the driving of the drainage pump and advancing the dehydration after a predetermined time when the dehydration speed is reached after the dehydration motor is driven;

상기 탈수 완료후 모터를 정지시키고 일정시간 모터를 정,역으로 구동시켜 포풀림 행정을 진행시키면서 배수펌프를 구동시켜 세탁조내의 잔수를 배수시키고 탈수 행정을 종료하는 제5과정으로 이루어진다.After the dehydration is completed, the motor is stopped, and the motor is driven forward and backward for a predetermined time, and the drainage pump is operated while the drainage pump is driven while draining the remaining water in the washing tank and ending the dewatering stroke.

이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

도 1 은 종래 세탁기의 탈수시 배수펌프 구동 제어방법을 보인 흐름도,1 is a flow chart illustrating a drainage pump driving control method during dehydration of a conventional washing machine;

도 2 는 본 발명이 적용되는 세탁기의 시스템 개략 구성도,2 is a schematic configuration diagram of a washing machine to which the present invention is applied;

도 3 은 본 발명에 의한 세탁기의 탈수시 배수펌프 구동 제어방법을 보인 제어흐름도,3 is a control flow chart showing a drainage pump driving control method when dewatering a washing machine according to the present invention;

도 4 는 본 발명에서 탈수시 배수펌프 구동 타이밍을 보여주는 타이밍도.Figure 4 is a timing diagram showing the drainage pump driving timing when dewatering in the present invention.

＜도면의 주요 부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

10:수위감지부 20:마이콤10: water level detection unit 20: microcomputer

30:전원부 40:구동부30: power supply part 40: driving part

50:세탁/탈수모터 60:배수펌프50: washing and dehydration motor 60: drainage pump

70:급수밸브70: water supply valve

도 2 는 본 발명이 적용되는 세탁기의 시스템 개략 구성도이다.2 is a system schematic configuration diagram of a washing machine to which the present invention is applied.

이에 도시된 바와 같이, 참조번호 10은 수위를 감지하는 수위센서를 구비한 수위감지부이고, 참조번호 20은 상기 수위감지부(10)의 수위 감지량과 사용자의 세탁시간 및 탈수 시간 설정과 헹굼 회수 설정에 따라 세탁기의 전체 동작을 제어하는 마이콤이며, 참조번호 30은 세탁기의 각 제어부 및 구동부에 동작 전원을 공급해주기 위한 전원부이다.As shown therein, reference numeral 10 denotes a water level detection unit having a water level sensor for detecting a water level, and reference numeral 20 denotes a level detection amount of the water level detection unit 10 and a user's washing time and dehydration time setting and rinsing. The microcomputer controls the overall operation of the washing machine according to the set number of times, and reference numeral 30 is a power supply unit for supplying operating power to each control unit and driving unit of the washing machine.

또한, 참조번호 40은 상기 마이콤(20)의 제어에 따라 세탁/탈수 모터(50), 배수펌프(60), 급수밸브(70)를 제어하는 구동부이다.In addition, reference numeral 40 is a driving unit for controlling the washing / dewatering motor 50, the drainage pump 60, and the water supply valve 70 under the control of the microcomputer 20.

이와 같이 이루어지는 본 발명에 의한 세탁기의 탈수시 배수펌프 구동 제어방법을 첨부한 도면 도2 내지 도4에 의거 상세히 설명하면 다음과 같다.When the drainage pump driving control method of the washing machine according to the present invention made as described above is described in detail with reference to Figures 2 to 4 as follows.

도 3 은 본 발명에 의한 세탁기의 배수펌프 구동 제어방법을 보인 흐름도이다.3 is a flow chart showing a drain pump driving control method of a washing machine according to the present invention.

먼저, 도 2에 도시된 전원부(30)에 의해 시스템에 전원이 공급되면, 마이콤(20)은 사용자의 세탁시간이나 헹굼회수 및 탈수 시간 설정에 따라 시스템 전체를 제어하게 되는데, 여기서, 세탁 행정이나 헹굼 행정은 기존의 방식과 동일하므로 생략하며, 본 발명의 핵심인 탈수 행정에 대해서만 구체적으로 살펴보면 다음과 같다.First, when power is supplied to the system by the power supply unit 30 shown in FIG. 2, the microcomputer 20 controls the entire system according to the user's washing time, rinsing number and dehydration time setting. Since the rinsing stroke is the same as the existing method, it will be omitted. Looking at only the dewatering stroke which is the core of the present invention, it is as follows.

먼저, 마이콤(20)의 제어에 의해 탈수 행정으로 진입을 하면, 마이콤(20)은 구동부(40)를 콘트롤하여 배수펌프(60)가 구동되도록 하고(S11), 수위 감지부(10)를 통해 수위를 검출한다(S12). 그리고 이 검출한 수위가 공수위가 되면("예"이면) 상기 구동부(40)를 다시 콘트롤하여 배수펌프(60)가 정지되도록 하며(S13), 다음 단계로 편심감지 및 포풀림 행정으로 진입을 한다(S14).First, when entering the dehydration stroke by the control of the microcomputer 20, the microcomputer 20 controls the drive unit 40 to drive the drain pump 60 (S11), through the water level detection unit 10 The water level is detected (S12). When the detected water level reaches the air level (Yes), the driving unit 40 is controlled again to stop the drainage pump 60 (S13), and the next step enters the eccentricity detection and the inflated stroke. (S14).

상기 편심감지 및 포풀림 행정 진입시에는 세탁/탈수모터(50)를 정,역으로 구동시켜 포풀림을 실시하게 되는데, 이때 상기 세탁/탈수모터(50)가 구동을 하면 배수펌프(60)도 동시에 구동을 시키고, 이와는 달리 상기 세탁/탈수모터(50)가 정지하면 상기 배수펌프(60)도 정지시키는 방식으로 배수펌프(60)의 구동을 제어한다(S15). 이러한 배수펌프(60)의 구동을 제어하는 타이밍은 도 4에 도시된 타이밍도의 T2 - T7구간이다. 이러한 방법으로 세탁/탈수모터(50)와 배수펌프(60)를 제어하면서 포풀림을 실시하고, 편심을 감지하여(S16) 편심이 없으면("예"이면) 그때서야 비로소 본격적인 탈수행정으로 진입을 하게된다(S17).When the eccentricity detection and the inflated stroke is entered, the washing / dehydrating motor 50 is driven forward and backward to perform the inflating. At this time, when the washing / dehydrating motor 50 is driven, the drain pump 60 is also simultaneously. When the driving / dehydration motor 50 is stopped, the driving of the drainage pump 60 is controlled in such a manner that the drainage pump 60 is also stopped (S15). The timing for controlling the driving of the drain pump 60 is a section T2-T7 in the timing diagram shown in FIG. In this way, the washing / dehydration motor 50 and the drainage pump 60 are controlled while inflated, and the eccentricity is detected (S16). (S17).

상기 탈수 행정으로의 진입후에는 세탁/탈수모터(50)를 탈수 속도에 맞게 구동시키게 되며, 상기 탈수 모터(50)가 구동이 되면 전술한 바와 같이 배수펌프(60)도 같이 구동이 되도록 한다(S18). 이후 세탁/탈수모터(50)의 구동 속도가 원하는 탈수 속도에 도달하면 (S19의 "예"이면), 그 시점부터 일정시간 동안만 배수펌프(60)를 구동시키고, 그 일정 시간이 경과하면 탈수 행정의 종료와는 무관하게 배수펌프(60)만을 정지시킨다(S20)(도 4의 타이밍도 상에서의 T9 - T10구간).After entering the dehydration stroke, the washing / dehydration motor 50 is driven at a dehydration speed, and when the dehydration motor 50 is driven, the drain pump 60 is also driven as described above ( S18). Then, when the driving speed of the washing / dehydrating motor 50 reaches the desired dehydration speed (YES in S19), the drainage pump 60 is driven only for a predetermined time from that point, and when the predetermined time elapses, dehydration is performed. Irrespective of the end of the stroke, only the drain pump 60 is stopped (S20) (T9-T10 section on the timing diagram of FIG. 4).

여기서, 일정시간후에 배수펌프(60)를 정지시키는 것은 공수위시 배수펌프가 구동 됨으로써 발생하는 전기 에너지의 낭비와 소음 및 모터의 손상을 방지하기 위함이다.Here, the stop pump 60 is stopped after a certain time in order to prevent waste of electric energy, noise and damage to the motor generated by driving the drain pump at the airborne level.

한편, 상기 세탁/탈수 모터(50)를 일정시간 탈수 속도로 구동시킨 후 그 일정시간이 경과하면 상기 세탁/탈수 모터(50)의 구동을 정지시키고(S21)(도 4의 T10구간), 마지막 행정인 포풀림 행정으로 진입을 한다(S22).On the other hand, after driving the laundry / dehydration motor 50 at a dehydration speed for a predetermined time, when the predetermined time has elapsed, the driving of the washing / dehydration motor 50 is stopped (S21) (T10 section of Fig. 4), and The administrator enters the administration of popul (S22).

상기 포풀림 행정에서는 일정 시간 세탁/탈수 모터(50)를 세탁 속도로 정,역 구동시키고, 동시에 배수 펌프(60)를 상기 모터가 구동되는 시간 만큼 구동시켜 세탁조(도면에는 미도시)내의 잔수를 완전히 배수시키고 모든 탈수 행정을 종료하고 세탁을 종료한다(S23)(도 4의 T11 - T16구간 참조).In the inflated stroke, the washing / dehydrating motor 50 is driven forward and backward at a washing speed, and at the same time, the drain pump 60 is driven as long as the motor is driven to maintain the residual water in the washing tank (not shown in the drawing). Completely drain and end all dehydration strokes and end washing (S23) (see section T11-T16 in Figure 4).

이상에서 상술한 바와 같이 본 발명은 탈수시 세탁/탈수모터의 구동 여부에 따라 배수 펌프를 적절히 제어 함으로써 배수 호스에 잔수가 남아 발생되는 소음을 저감시킬 수 있으며, 또한, 배수펌프 모터의 온도 상승도 낮출수 있어 배수 펌프의 수명도 연장할 수 있는 효과가 있다.As described above, the present invention can reduce noise generated by remaining water in the drain hose by appropriately controlling the drain pump according to whether the washing / dehydration motor is driven during dehydration, and also increasing the temperature of the drain pump motor. Since it can be lowered, the life of the drain pump can be extended.

그리고, 배수 펌프를 기존과 같이 탈수행정 시작 시점부터 종료 시점까지 연속적으로 구동시키지 않고 모터의 구동 여부에 따라 선택적으로 제어 함으로써 전기 에너지를 낭비도 방지할 수 있는 효과가 있다.In addition, it is possible to prevent waste of electrical energy by selectively controlling the drain pump according to whether the motor is driven without continuously driving the drainage pump from the start point to the end point as in the prior art.

Claims (2)

탈수 행정이 시작되면 바로 배수펌프(60)를 구동시켜 공수위를 만드는 제1과정과;A first step of creating a water level by driving the drainage pump 60 immediately after the dehydration stroke starts; 상기 공수위가 되면 세탁/탈수모터를 정,역으로 구동시켜 포풀림 행정을 진행시키면서 편심을 감지하는 제2과정과;A second step of detecting an eccentricity while driving the washing / dehydrating motor in a forward and reverse direction when the airborne level reaches the airflow; 상기 포풀림 행정시 편심이 없으면 탈수 행정으로 진입하여 배수 펌프(60)를 구동 시킴과 동시에 탈수 모터(50)를 구동시키는 제3과정과;A third step of, if there is no eccentricity in the inflated stroke, enters the dewatering stroke to drive the drain pump 60 and simultaneously drives the dewatering motor 50; 상기 탈수 모터(50)의 구동후 탈수 속도에 도달하면 일정 시간후 배수펌프(60)의 구동을 정지시키고 탈수만 진행시키는 제4과정과;A fourth step of stopping the driving of the drainage pump 60 after the predetermined time and reaching dehydration after the dehydration motor 50 reaches the dehydration speed; 상기 탈수 완료후 세탁/탈수모터(50)를 정지시키고 일정시간 세탁/탈수모터를 세탁속도로 정,역으로 구동시켜 포풀림 행정을 진행시키면서 배수펌프를 구동시켜 세탁조내의 잔수를 배수시키고 탈수 행정을 종료하는 제5과정으로 이루어짐을 특징으로 하는 세탁기의 탈수시 배수펌프 구동 제어방법.After the dehydration is completed, the washing / dehydration motor 50 is stopped and the washing / dehydration motor 50 is driven at a washing speed in the forward and reverse directions to drive the draining pump while proceeding with the inflated stroke to drain the remaining water in the washing tank and perform the dehydration stroke. A drainage pump driving control method when dewatering a washing machine, characterized in that the fifth step of terminating. 제 1항에 있어서,The method of claim 1, 상기 제2과정은 세탁/탈수모터(50)의 정,역 구동시 상기 배수펌프(60)를 구동시키고, 상기 세탁/탈수모터(50)의 정지시 상기 배수펌프(60)도 정지시키는 것을 특징으로 하는 세탁기의 탈수시 배수펌프 구동 제어방법.The second process is characterized in that to drive the drainage pump 60 when the washing / dehydration motor 50, the forward and reverse driving, and to stop the drainage pump 60 when the washing / dehydration motor 50 is stopped Drainage pump drive control method when dewatering the washing machine.
KR1019970049243A 1997-09-26 1997-09-26 Drain pump driving control method during dehydration period in the washing machine KR100249689B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100748955B1 (en) * 2003-06-20 2007-08-13 엘지전자 주식회사 Semi-Dry Method of Washing Machines
WO2021125772A1 (en) * 2019-12-17 2021-06-24 엘지전자 주식회사 Method for controlling washing apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010061252A (en) * 1999-12-28 2001-07-07 구자홍 methode for controlling a drain-pump in a washer
KR102522303B1 (en) * 2018-07-06 2023-04-14 엘지전자 주식회사 Laundry treatment machine
KR102603618B1 (en) * 2018-07-06 2023-11-16 엘지전자 주식회사 Laundry treatment machine and method for the same
KR102522304B1 (en) * 2018-07-06 2023-04-14 엘지전자 주식회사 Laundry treatment machine and method for the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100748955B1 (en) * 2003-06-20 2007-08-13 엘지전자 주식회사 Semi-Dry Method of Washing Machines
WO2021125772A1 (en) * 2019-12-17 2021-06-24 엘지전자 주식회사 Method for controlling washing apparatus

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