KR20070023146A - A method for controlling a washing water circulating pump of a washing machine and a washing machine to which the method is applied - Google Patents

A method for controlling a washing water circulating pump of a washing machine and a washing machine to which the method is applied Download PDF

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KR20070023146A
KR20070023146A KR1020050077418A KR20050077418A KR20070023146A KR 20070023146 A KR20070023146 A KR 20070023146A KR 1020050077418 A KR1020050077418 A KR 1020050077418A KR 20050077418 A KR20050077418 A KR 20050077418A KR 20070023146 A KR20070023146 A KR 20070023146A
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South Korea
Prior art keywords
circulation pump
washing machine
electric heater
washing
wash water
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KR1020050077418A
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Korean (ko)
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KR101186602B1 (en
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최두혁
박상호
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엘지전자 주식회사
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Priority to KR1020050077418A priority Critical patent/KR101186602B1/en
Priority to US11/507,644 priority patent/US20070118997A1/en
Priority to DE102006039477A priority patent/DE102006039477A1/en
Publication of KR20070023146A publication Critical patent/KR20070023146A/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
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D06F34/24—Liquid temperature
    • 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 
    • D06F39/04—Heating 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/16—Washing liquid temperature
    • 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
    • D06F2103/52—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to electric heating means, e.g. temperature or voltage
    • 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
    • D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves

Abstract

본 발명은 세탁수를 가열할 수 있는 전기히터가 구비된 세탁기에 있어 순환펌프를 제어하는 순환펌프 제어방법 및 그 세탁기에 관한 것으로, 구체적으로는 전기히터에 의해 세탁수를 가열한 후 그 직후로부터 순환펌프를 작동시키는 것이 아니라 가열 후 일정시간 경과 후에 순환펌프를 작동시키도록 한 순환펌프 제어방법 및 그 세탁기에 관한 것이다. 본 발명에 의한 순환펌프 제어방법은, 세탁수를 가열하기 위한 전기히터와, 세탁수를 순환시키기 위한 순환펌프와, 상기 순환펌프를 제어하기 위한 순환펌프 제어수단을 포함하여 구성되는 세탁기에서, 상기 전기히터가 온(on) 상태일 때 상기 순환펌프를 오프(off) 시키는 순환펌프 오프단계와; 상기 전기히터가 오프(off) 된 후 일정시간 경과 후에 상기 순환펌프를 온(on) 시키는 순환펌프 온단계를; 포함하여 구성되는 것을 특징으로 한다.The present invention relates to a circulating pump control method for controlling a circulating pump in a washing machine equipped with an electric heater capable of heating wash water, and to a washing machine, and more particularly, from immediately after the washing water is heated by an electric heater. It relates to a circulating pump control method and a washing machine for operating the circulating pump after a predetermined time after heating, rather than operating the circulating pump. The circulation pump control method according to the present invention includes an electric heater for heating the wash water, a circulation pump for circulating the wash water, and a circulating pump control means for controlling the circulation pump. A circulating pump off step of turning off the circulating pump when the electric heater is on; A circulation pump on step of turning on the circulation pump after a predetermined time after the electric heater is turned off; Characterized in that it comprises a.

세탁기, 드럼세탁기, 순환펌프, 제어방법, 전기히터 Washing machine, drum washing machine, circulation pump, control method, electric heater

Description

세탁수 가열 및 순환식 세탁기의 순환펌프 제어방법 및 이를 적용한 세탁기{A method for controlling a washing water circulating pump of a washing machine and a washing machine to which the method is applied}A method for controlling a washing water circulating pump of a washing machine and a washing machine to which the method is applied}

도1은 종래 세탁수 가열 및 순환식 세탁기의 단면 구성도를 나타낸다.Figure 1 shows a cross-sectional configuration of a conventional washing water heating and circulation washing machine.

도2는 도1의 히터영역의 확대도이다.FIG. 2 is an enlarged view of the heater region of FIG. 1.

도3은 도2의 터브의 배면도이다.3 is a rear view of the tub of FIG.

도4는 본 발명에 의한 순환펌프 제어방법의 바람직한 실시예를 나타내는 블럭도이다.Figure 4 is a block diagram showing a preferred embodiment of the circulation pump control method according to the present invention.

대한민국특허 공개번호 제10-2005-0051474호Korean Patent Publication No. 10-2005-0051474

본 발명은 세탁수를 가열할 수 있는 전기히터가 구비된 세탁기에 있어 순환펌프를 제어하는 순환펌프 제어방법 및 그 세탁기에 관한 것으로, 구체적으로는 전기히터에 의해 세탁수를 가열한 후 그 직후로부터 순환펌프를 작동시키는 것이 아니라 가열 후 일정시간 경과 후에 순환펌프를 작동시키도록 한 순환펌프 제어방법 및 그 세탁기에 관한 것이다.The present invention relates to a circulating pump control method for controlling a circulating pump in a washing machine equipped with an electric heater capable of heating wash water, and to a washing machine, and more particularly, from immediately after the washing water is heated by an electric heater. It relates to a circulating pump control method and a washing machine for operating the circulating pump after a predetermined time after heating, rather than operating the circulating pump.

일반적으로 세탁기는 케이스의 내부에 상하방향을 따라 배치된 회전축을 중심으로 운동하는 세탁조 및 펄세이터(또는 애지테이터)를 구비한 소위 펄세이터 타입 세탁기와, 케이스의 내부에 거의 수평방향을 따라 배치된 회전축을 중심으로 회전하는 세탁조 또는 드럼을 구비한 소위 드럼 세탁기로 구별된다.In general, a washing machine is a so-called pulsator type washing machine having a washing tank and a pulsator (or agitator) moving around a rotating shaft disposed along the up and down direction inside the case, and disposed substantially along a horizontal direction inside the case. It is distinguished by a so-called drum washing machine having a washing tub or a drum rotating about a rotating shaft.

도 1은 대한민국특허 공개번호 제10-2005-0051474호에 소개된 종래의 세탁수 가열기능을 구비한 세탁기의 단면도이고, 도 2는 도 1의 히터영역의 확대도이며, 도 3은 도 2의 터브의 배면도이다.1 is a cross-sectional view of a washing machine having a conventional washing water heating function introduced in Korean Patent Publication No. 10-2005-0051474, FIG. 2 is an enlarged view of a heater region of FIG. 1, and FIG. A rear view of the tub.

이들 도면에 도시된 바와 같이, 세탁수 가열기능을 구비한 세탁기는, 일측이 개구된 통형상을 가지는 케이스(111)와, 케이스(111)의 내부에 세탁수를 수용할 수 있도록 설치되는 터브(121)와, 터브(121)의 내부에 수평방향을 따라 배치된 회전축(132)을 중심으로 회전가능하게 설치되는 드럼(131)과, 터브(121)의 내측 하부에 터브(121)의 내부에 수용된 세탁수를 가열할 수 있도록 배치되는 전기히터(135)를 구비하고 있다.As shown in these drawings, the washing machine having a washing water heating function includes a case 111 having a tubular shape having one side opened, and a tub installed to accommodate the washing water inside the case 111. 121, a drum 131 which is rotatably installed about the rotating shaft 132 disposed along the horizontal direction in the tub 121, and inside the tub 121 at an inner lower portion of the tub 121; An electric heater 135 is disposed to heat the received wash water.

케이스(111)의 전면에는 개구(113)가 형성되어 있으며, 개구(113)의 연부에는 개구(113)를 개폐할 수 있도록 도어(115)가 구비되어 있다. 터브(121)의 상측에는 터브(121)의 내부에 세탁수를 공급할 수 있도록 급수관(123)이 구비되어 있으며, 터브(121)의 하측에는 배수관(125) 및 배수펌프(127)가 각각 마련되어 있다. 터브(121)의 후면에는 드럼(131)을 회전 구동시키는 드럼구동모터(134)가 설치되어 있다.An opening 113 is formed on the front surface of the case 111, and a door 115 is provided at the edge of the opening 113 to open and close the opening 113. A water supply pipe 123 is provided at the upper side of the tub 121 to supply washing water into the tub 121, and a drain pipe 125 and a drain pump 127 are provided at the lower side of the tub 121, respectively. . The rear of the tub 121 is provided with a drum drive motor 134 for driving the drum 131 to rotate.

한편, 드럼(131)과 터브(121)의 사이 하부영역에는 터브(121)의 내부에 수용되는 세탁수를 가열할 수 있도록 전기히터(135)가 구비되어 있으며, 전기히터(135)는 터브(121)의 내면으로부터 소정 거리 이격되고 전후방향을 따라 배치되어 있다.On the other hand, in the lower region between the drum 131 and the tub 121, the electric heater 135 is provided to heat the wash water accommodated in the tub 121, the electric heater 135 is a tub ( 121 is spaced apart from the inner surface and disposed along the front-rear direction.

배수관(125)의 일측에는 터브(121) 내부의 세탁수를 순환시킬 수 있도록 순환유로(126)의 일측이 상호 연통되게 연결되어 있으며, 순환유로(126)의 타단은 상향 연장되어 터브(121)의 상부영역에 상호 연통되게 연결되어 있다. 순환유로(126)중에는 세탁수를 순환시키기 위한 순환펌프(128)가 구비되어 있다.One side of the drain pipe 125 is connected in communication with one side of the circulation passage 126 to circulate the wash water in the tub 121, the other end of the circulation passage 126 is extended upward tub (121) It is connected to each other in the upper region of the. The circulation passage 126 is provided with a circulation pump 128 for circulating the wash water.

종래의 상기와 같은 세탁기에서는 전기히터에 의해 세탁수를 가열한 직후 바로 상기의 순환펌프를 구동시켜 세탁수를 순환시키도록 구성되어 있었으며, 이와 같이 세탁수를 가열 직후 바로 순환시켰기 때문에 순환과정 동안 발생하는 열손실로 인해 세탁수의 온도가 떨어져 세탁효과 특히 삶는 효과를 제대로 발휘하지 못하는 문제가 있었다.In the conventional washing machine as described above, the washing machine was configured to circulate the washing water by immediately driving the circulation pump immediately after heating the washing water by an electric heater. Due to the heat loss, the temperature of the wash water drops and there was a problem in that the washing effect was not properly exerted.

또한, 가열 직후에는 세탁수가 고온의 상태이므로 순환과정에서 주위 외부로 발산하는 열의 양도 많게 되어, 결국 큰 열손실을 수반하여 에너지를 낭비하게 되는 문제도 수반하게 된다.In addition, immediately after heating, since the washing water is at a high temperature, the amount of heat dissipated to the outside in the circulating process is also increased, resulting in a waste of energy accompanied by a large heat loss.

본 발명은 상기와 같은 문제를 해결하기 위해 발명된 것으로서, 가열된 세탁수에 의한 삶는 효과를 제대로 내도록 하여 전체적인 세탁효과를 높이도록 하는데 그 목적이 있다.The present invention has been invented to solve the above problems, the purpose is to improve the overall washing effect by properly boiled by the heated washing water.

또한, 순환펌프에 의한 세탁수의 순환과정에서 발산하는 열의 양을 줄여 에 너지 낭비를 방지하는데 또 다른 목적이 있다.In addition, there is another purpose to prevent energy waste by reducing the amount of heat released during the circulation of the wash water by the circulation pump.

본 발명에 의한 세탁기는, 세탁수를 가열하기 위한 전기히터와; 세탁수를 순환시키기 위한 순환펌프와; 상기 순환펌프의 작동을 제어하되, 상기 전기히터가 온(on) 상태일 때 상기 순환펌프를 오프(off) 시키고, 상기 전기히터가 오프(off) 된 후 일정시간 경과 후에 상기 순환펌프를 온(on) 시키도록 제어하는 순환펌프 제어수단을; 포함하여 구성되는 것을 특징으로 한다.Washing machine according to the present invention, the electric heater for heating the wash water; A circulation pump for circulating the wash water; The operation of the circulation pump is controlled, but the circulation pump is turned off when the electric heater is on, and the circulation pump is turned on after a predetermined time after the electric heater is turned off. circulation pump control means for controlling to; Characterized in that it comprises a.

여기서, 세탁수의 온도를 측정하는 온도센서를 추가로 포함하고; 상기 순환펌프 제어수단은, 상기 온도센서에 의해 측정된 세탁수의 온도가 일정온도에 도달하면, 그로부터 일정시간 경과 후에 상기 순환펌프를 온(on) 시키도록 순환펌프를 추가로 제어할 수도 있다.Here, further comprising a temperature sensor for measuring the temperature of the wash water; The circulation pump control means may further control the circulation pump to turn on the circulation pump after a predetermined time elapses when the temperature of the wash water measured by the temperature sensor reaches a certain temperature.

한편, 본 발명에 의한 순환펌프 제어방법은, 세탁수를 가열하기 위한 전기히터와, 세탁수를 순환시키기 위한 순환펌프와, 상기 순환펌프를 제어하기 위한 순환펌프 제어수단을 포함하여 구성되는 세탁기에서, 상기 전기히터가 온(on) 상태일 때 상기 순환펌프를 오프(off) 시키는 순환펌프 오프단계와; 상기 전기히터가 오프(off) 된 후 일정시간 경과 후에 상기 순환펌프를 온(on) 시키는 순환펌프 온단계를; 포함하여 구성되는 것을 특징으로 한다.On the other hand, the circulation pump control method according to the present invention, in the washing machine comprising an electric heater for heating the wash water, a circulation pump for circulating the wash water, and a circulation pump control means for controlling the circulating pump A circulating pump off step of turning off the circulating pump when the electric heater is on; A circulation pump on step of turning on the circulation pump after a predetermined time after the electric heater is turned off; Characterized in that it comprises a.

여기서, 상기 순환펌프 오프단계 후에, 세탁수의 온도가 일정온도에 도달하였는지 확인하고, 일정온도에 도달하였으면 그로부터 일정시간 경과 후에 상기 순환펌프를 온(on) 시키는 온도연동 순환펌프 온단계를 추가로 포함하여 구성될 수도 있다.Here, after the circulating pump off step, check whether the temperature of the washing water has reached a certain temperature, and if the temperature reaches a certain temperature from the temperature-linked circulating pump to turn on (on) after a certain time from thereon further comprising the step of It may be configured to include.

이하 첨부도면에 나타난 본 발명의 바람직한 실시예를 통해 보다 상세하게 설명하도록 한다.It will be described in more detail through the preferred embodiment of the present invention shown in the accompanying drawings.

먼저, 도4는 본 발명에 따라 세탁기의 순환펌프를 제어하는 방법을 나타낸 블럭도이다.First, Figure 4 is a block diagram showing a method for controlling the circulation pump of the washing machine according to the present invention.

도시되는 바와 같이, 순환펌프 제어수단(미도시)은 전기히터가 온(on)으로 스위칭되는지 여부를 확인하여(S1), 전기히터가 온으로 스위칭되면 순환펌프를 오프(off)시키고(S2), 순환펌프가 오프된 상태에서 전기히터가 오프되는지 여부를 확인하여(S3), 전기히터가 오프로 되면 오프된 후로부터 일정시간 경과했는지 여부를 확인하게 되며(S4), 설정된 일정시간이 경과하면 순환펌프를 온시키게 된다(S5).As shown, the circulation pump control means (not shown) checks whether the electric heater is switched on (S1), and turns off the circulation pump (S2) when the electric heater is switched on (S2). When the electric heater is turned off in a state in which the circulation pump is turned off (S3), when the electric heater is turned off, it is checked whether a predetermined time has elapsed since it is turned off (S4). The circulation pump is turned on (S5).

상기에서 순환펌프가 오프된 후 전기히터가 오프되지 않았더라도 온도센서를 통해 세탁수 온도가 일정온도에 도달하였는지를 확인하여(S6), 일정온도에 도달하였으면 일정시간 경과 후 순환펌프를 온시키게 된다(S4 및 S5).After the circulating pump is turned off, even if the electric heater is not turned off, the temperature sensor checks whether the washing water temperature reaches a predetermined temperature (S6), and when the predetermined temperature is reached, the circulating pump is turned on after a predetermined time ( S4 and S5).

상기와 같은 방법으로 순환펌프를 제어하게 되면 전기히터로 세탁수를 가열한 후 일정시간 동안 세탁수를 순환시키지 않기 때문에 삶는 효과에 의한 세탁효과를 제대로 구현할 수 있게 되며, 종래와 같이 세탁수를 원하는 적정온도로 가열한 직후 순환시킬 때보다 열손실이 적게 된다.When the circulation pump is controlled in the above manner, since the washing water is not circulated for a predetermined time after the washing water is heated by the electric heater, the washing effect by the boiling effect can be properly implemented, and the washing water is desired as in the related art. There is less heat loss than circulating immediately after heating to the proper temperature.

한편, 본 발명에 의한 세탁기는 도1과 같은 종래의 세탁기에 대해 상기와 같은 제어방법을 갖도록 순환펌프 제어수단을 구성함으로써 용이하게 구현가능하므로, 그 상세한 설명은 생략하기로 한다.On the other hand, the washing machine according to the present invention can be easily implemented by configuring the circulation pump control means to have the control method as described above with respect to the conventional washing machine as shown in FIG.

본 발명에 의하면, 종래와 달리 세탁수를 가열한 직후 바로 순환시키지 않기 때문에 적정한 온도로 가열된 세탁수를 그대로 이용하여 세탁을 수행할 수 있으므로 삶는 효과에 의한 세탁효과를 제대로 발휘할 수 있게 된다.According to the present invention, since the washing water is not circulated immediately after heating the washing water unlike the conventional art, washing can be performed by using the washing water heated at an appropriate temperature as it is, and thus the washing effect due to the boiling effect can be properly exhibited.

또한, 가열 직후에는 세탁수가 고온의 상태이어서 순환과정에서 주위 외부로 발산하는 열의 양도 많게 되지만, 일정시간 경과한 후에는 온도가 떨어지므로 순환과정에서 발생하는 열손실에 의한 에너지 낭비가 훨씬 적게 된다.In addition, immediately after heating, the washing water is in a high temperature state, so that the amount of heat dissipated to the outside in the circulation process increases, but after a certain period of time, the temperature is lowered, thereby reducing energy waste due to heat loss generated in the circulation process.

Claims (4)

세탁수를 가열하기 위한 전기히터와;An electric heater for heating the wash water; 세탁수를 순환시키기 위한 순환펌프와;A circulation pump for circulating the wash water; 상기 순환펌프의 작동을 제어하되, 상기 전기히터가 온(on) 상태일 때 상기 순환펌프를 오프(off) 시키고, 상기 전기히터가 오프(off) 된 후 일정시간 경과 후에 상기 순환펌프를 온(on) 시키도록 제어하는 순환펌프 제어수단을;The operation of the circulation pump is controlled, but the circulation pump is turned off when the electric heater is on, and the circulation pump is turned on after a predetermined time after the electric heater is turned off. circulation pump control means for controlling to; 포함하여 구성되는 것을 특징으로 하는 세탁수 가열 및 순환식 세탁기.Washing water heating and circulation washing machine characterized in that it comprises a. 제1항에 있어서,The method of claim 1, 세탁수의 온도를 측정하는 온도센서를 추가로 포함하고;Further comprising a temperature sensor for measuring the temperature of the wash water; 상기 순환펌프 제어수단은, 상기 온도센서에 의해 측정된 세탁수의 온도가 일정온도에 도달하면, 그로부터 일정시간 경과 후에 상기 순환펌프를 온(on) 시키도록 순환펌프를 추가로 제어하는 것을;The circulation pump control means may further control the circulation pump to turn on the circulation pump after a predetermined time has elapsed since the temperature of the wash water measured by the temperature sensor reaches a predetermined temperature therefrom; 특징으로 하는 세탁수 가열 및 순환식 세탁기.A wash water heating and recirculating washing machine. 세탁수를 가열하기 위한 전기히터와, 세탁수를 순환시키기 위한 순환펌프와, 상기 순환펌프를 제어하기 위한 순환펌프 제어수단을 포함하여 구성되는 세탁기에서 상기 순환펌프를 제어하는 방법에 있어서,In the washing machine comprising an electric heater for heating the wash water, a circulation pump for circulating the wash water, and a circulation pump control means for controlling the circulation pump, the method for controlling the circulation pump in the washing machine, 상기 전기히터가 온(on) 상태일 때 상기 순환펌프를 오프(off) 시키는 순환 펌프 오프단계와;A circulation pump off step of turning off the circulation pump when the electric heater is on; 상기 전기히터가 오프(off) 된 후 일정시간 경과 후에 상기 순환펌프를 온(on) 시키는 순환펌프 온단계를;A circulation pump on step of turning on the circulation pump after a predetermined time after the electric heater is turned off; 포함하여 구성되는 것을 특징으로 하는 세탁기의 순환펌프 제어방법.Circulating pump control method for a washing machine comprising a. 제3항에 있어서, 상기 순환펌프 오프단계 후에,According to claim 3, After the circulating pump off step, 세탁수의 온도가 일정온도에 도달하였는지 확인하고, 일정온도에 도달하였으면 그로부터 일정시간 경과 후에 상기 순환펌프를 온(on) 시키는 온도연동 순환펌프 온단계를;Checking whether the temperature of the washing water reaches a predetermined temperature, and when the temperature reaches the predetermined temperature, turning on the circulation pump after a certain time has elapsed; 추가로 포함하여 구성되는 것을 특징으로 하는 세탁기의 순환펌프 제어방법.The circulation pump control method of the washing machine characterized in that the configuration further comprises.
KR1020050077418A 2005-08-23 2005-08-23 A method for controlling a washing water circulating pump of a washing machine and a washing machine to which the method is applied KR101186602B1 (en)

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KR1020050077418A KR101186602B1 (en) 2005-08-23 2005-08-23 A method for controlling a washing water circulating pump of a washing machine and a washing machine to which the method is applied
US11/507,644 US20070118997A1 (en) 2005-08-23 2006-08-22 Washing machine
DE102006039477A DE102006039477A1 (en) 2005-08-23 2006-08-23 Washing machine, especially of front loading horizontal axis type, comprises a control unit for controlling the circulating pump in response to the operational status of the motor, the heater and/or the water supply valve

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