KR101184452B1 - Drum type washing machine and control rinsing method thereof - Google Patents

Drum type washing machine and control rinsing method thereof Download PDF

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Publication number
KR101184452B1
KR101184452B1 KR1020050093958A KR20050093958A KR101184452B1 KR 101184452 B1 KR101184452 B1 KR 101184452B1 KR 1020050093958 A KR1020050093958 A KR 1020050093958A KR 20050093958 A KR20050093958 A KR 20050093958A KR 101184452 B1 KR101184452 B1 KR 101184452B1
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South Korea
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water
rinsing
temperature
washing machine
drum washing
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KR1020050093958A
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Korean (ko)
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KR20070038719A (en
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변수영
정정란
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삼성전자주식회사
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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
    • D06F33/38—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
    • 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • 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
    • 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
    • D06F39/088—Liquid supply 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
    • D06F2105/02—Water supply
    • D06F2105/04—Water supply from separate hot and cold water inlets
    • 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
    • D06F2105/10—Temperature of washing liquids; Heating means therefor
    • 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
    • D06F2105/28—Electric heating

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

Abstract

본 발명은 드럼세탁기 및 그 헹굼제어방법에 관한 것으로, 특히 본 발명은 최종 탈수행정시의 탈수성능을 향상시켜 최종 탈수행정 후 세탁물의 잔류수분량을 줄이기 위하여 최종 탈수행정 직전의 마지막 헹굼시 헹굼수의 온도를 적절히 상승시키고, 온도 상승된 헹굼수를 이용하여 헹굼을 수행함으로서 세탁물의 섬유를 부드럽게 한 상태에서 최종 탈수행정이 수행될 수 있도록 한다. 따라서, 최종 탈수행정시 세탁물의 포풀림이 용이하고, 언밸런스를 방지하여 탈수효율을 향상시킴으로서 최종 탈수행정 후 세탁물의 잔류수분량이 효과적으로 줄어든 상태에서 건조행정을 수행하게 되므로, 건조행정시간을 대폭 줄일 수 있는 효과가 있다.The present invention relates to a drum washing machine and a rinsing control method thereof, and in particular, the present invention improves the dehydration performance during the final dehydration stroke to reduce the residual water content of the laundry after the final dehydration stroke, The temperature is appropriately raised and the rinsing is carried out using the rinsed water with the elevated temperature so that the final dehydration stroke can be carried out with the fibers of the laundry softened. Therefore, it is easy to inflate laundry during the final dehydration stroke, and prevents unbalance, thereby improving the dehydration efficiency. Therefore, the drying administration time can be drastically reduced since the drying administration is effectively performed after the final dehydration stroke. It has an effect.

이를 위해 본 발명은 최종 탈수행정 직전의 마지막 헹굼시, 냉수의 헹굼수를 급수하고, 급수된 냉수의 헹굼수를 상기 히터를 통해 가열하고, 가열된 헹굼수를 이용하여 헹굼을 수행하는 것을 특징으로 한다.To this end, the present invention is characterized in that during the last rinse immediately before the final dehydration stroke, to supply the rinsing water of cold water, to heat the rinsing water of the cold water supplied through the heater, and to perform the rinsing using the heated rinsing water do.

Description

드럼세탁기 및 그 헹굼제어방법{Drum type washing machine and control rinsing method thereof}Drum washing machine and its rinsing control method

도 1은 본 발명의 실시예에 따른 드럼세탁기의 전체적인 구성을 대략적으로 도시한 단면도이다.1 is a cross-sectional view schematically showing the overall configuration of a drum washing machine according to an embodiment of the present invention.

도 2는 본 발명의 실시예에 따른 드럼세탁기의 제어블록도이다.2 is a control block diagram of a drum washing machine according to an embodiment of the present invention.

도 3은 세탁물의 잔류수분량과 헹굼수의 온도사이의 상관관계를 나타낸 그래프이다.3 is a graph showing the correlation between the residual water content of the laundry and the temperature of the rinsing water.

도 4는 본 발명에 실시예에 따른 드럼세탁기의 헹굼제어방법에 대한 제어흐름도이다.4 is a control flowchart of a rinsing control method of a drum washing machine according to an embodiment of the present invention.

도 5는 본 발명의 다른 실시예에 따른 드럼세탁기의 헹굼제어방법에 대한 제어흐름도이다.5 is a control flowchart of a rinsing control method of a drum washing machine according to another embodiment of the present invention.

*도면의 주요 기능에 대한 부호의 설명*[Description of the Reference Numerals]

4 : 구동모터 10 : 배수펌프4: driving motor 10: drainage pump

11a : 냉수밸브 11b : 온수밸브11a: cold water valve 11b: hot water valve

30 : 제어부 31 : 수위검출센서30 control unit 31 water level detection sensor

32 : 수온검출센서 33 : 밸브구동부32: water temperature detection sensor 33: valve drive unit

34 : 모터구동부 35 : 펌프구동부34: motor drive part 35: pump drive part

36 : 히터구동부36: heater driving unit

본 발명은 드럼세탁기 및 그 헹굼제어방법에 관한 것으로, 더욱 상세하게는 세탁물의 헹굼방식을 변경하여 세탁물의 탈수성능을 향상시킴으로서 세탁 후의 건조행정시간을 단축시킬 수 있는 드럼세탁기 및 그 헹굼제어방법에 관한 것이다.The present invention relates to a drum washing machine and a rinsing control method thereof, and more particularly, to a drum washing machine and a rinsing control method which can shorten the drying administration time after washing by changing the rinsing method of the laundry to improve the dehydration performance of the laundry. It is about.

일반적으로, 종래에는 드럼세탁기의 헹굼 행정시 냉수의 일반 수도수를 헹굼수로 급수하여 회전조를 일정시간 교반하고, 배수한 후 최종 탈수행정으로 진입한다.In general, in the conventional rinsing stroke of the drum washing machine, the general tap water of cold water is supplied with rinsing water to stir the rotary bath for a predetermined time, and after draining, it enters the final dehydration stroke.

하지만, 일반 수도수는 일반적으로 수온이 20이하의 물로서, 따뜻한 물에 비하여 세탁물을 경직시키기 때문에 최종 탈수행정시 포풀림이 쉽지 않고, 언밸런스가 발생할 가능성이 높아 탈수효율이 떨어진다. 이로 인해, 세탁물에 잔류수분량이 높은 상태에서 건조행정을 수행하게 되므로, 건조행정시간이 길어지는 문제점이 있다.However, general tap water generally has a water temperature of 20 or less, and thus hardens laundry compared to warm water, and thus it is not easy to inflate during final dehydration administration, and unbalance is likely to occur, and thus dehydration efficiency is low. For this reason, since the drying administration is performed in a state in which the residual water content is high in the laundry, there is a problem in that the drying administration time becomes long.

본 발명은 전술한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 최종탈수행정 직전의 마지막 헹굼시 세탁물의 경직성을 완화하여 탈수효율을 향상시킴으로서 세탁물의 잔류수분량을 줄인 후 건조행정을 수행할 수 있는 드럼세탁기 및 그 헹굼제어방법을 제공하는 것이다.The present invention is to solve the above problems, an object of the present invention is to reduce the residual water content of the laundry by reducing the stiffness of the laundry during the last rinse immediately before the final dehydration stroke to reduce the residual water content of the laundry can be performed A drum washing machine and its rinsing control method are provided.

전술한 목적을 달성하기 위한 본 발명의 드럼세탁기의 헹굼제어방법은 히터를 구비한 드럼세탁기의 헹굼제어방법에 있어서, 최종 탈수행정 직전의 마지막 헹굼시, 냉수의 헹굼수를 급수하고; 상기 급수된 냉수의 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하도록 상기 히터를 온 시키고; 상기 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하면 상기 히터를 오프시키고; 상기 20 내지 30 사이의 온도에 도달한 헹굼수를 이용하여 헹굼을 수행하는; 것을 포함한다.A rinsing control method of a drum washing machine according to the present invention for achieving the above object is a rinsing control method of a drum washing machine having a heater, the rinsing water of cold water at the last rinse immediately before the final dewatering stroke; Turning on the heater such that the temperature of the rinsing water of the water supply cold water reaches a temperature between 20 and 30; Turning off the heater when the temperature of the rinse water reaches a temperature between 20 and 30; Performing rinsing using rinsing water having reached a temperature between 20 and 30; It includes.

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상기 헹굼수의 급수 중에 상기 히터를 작동시키는 것을 특징으로 한다.And operating the heater during water supply of the rinsing water.

또한, 본 발명의 드럼세탁기의 헹굼제어방법은 고정조 내에 냉수와 온수의 헹굼수를 급수하여 헹굼을 수행하는 드럼세탁기의 헹굼제어방법에 있어서, 최종 탈수행정 직전 마지막 헹굼시, 냉수와 온수의 헹굼수를 급수하고; 상기 급수된 냉수량과 온수량을 조절하여 헹굼수의 온도를 20 내지 30 사이의 온도로 상승시키고; 상기 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하면, 상기 헹굼수를 이용하여 헹굼을 수행하는; 것을 포함한다.In addition, the rinsing control method of the drum washing machine of the present invention in the rinsing control method of the drum washing machine to perform the rinsing by supplying the rinsing water of cold water and hot water in the fixed tank, during the last rinse immediately before the final dehydration stroke, rinsing of cold water and hot water Watering the water; Raising the temperature of the rinsing water to a temperature between 20 and 30 by adjusting the amount of cold water and hot water supplied; When the temperature of the rinsing water reaches a temperature between 20 and 30, performing rinsing using the rinsing water; It includes.

또한, 본 발명의 드럼세탁기는 히터를 구비한 드럼세탁기에 있어서, 최종 탈수행정 직전의 마지막 헹굼행정시 급수된 냉수의 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하도록 상기 히터를 온 시키고, 상기 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하면 상기 히터를 오프시키고, 상기 20 내지 30 사이의 온도에 도달한 헹굼수를 이용하여 헹굼을 수행하는 제어부;를 포함한다.In addition, the drum washing machine of the present invention, in the drum washing machine equipped with a heater, the heater is turned on so that the temperature of the rinsing water of the cold water supplied in the last rinsing stroke immediately before the final dehydration stroke reaches a temperature of 20 to 30, And a controller for turning off the heater when the temperature of the rinsing water reaches a temperature between 20 and 30 and performing rinsing using the rinsing water reaching the temperature between 20 and 30.

이하에서는 본 발명의 바람직한 실시예를 본 도면을 참조하여 상세하게 설명 하도록 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

도 1은 본 발명의 실시예에 따른 드럼세탁기의 전체적인 구성을 대략적으로 도시한 단면도이다. 도 1에 도시된 바와 같이, 본 발명에 따른 드럼세탁기는 대략 박스형상으로 이루어져 드럼세탁기의 외관을 형성하는 하우징(1)과, 하우징(1)의 내부에 경사지게 설치되어 세탁수가 담겨지게 되는 드럼 형상의 고정조(2)와, 고정조(2)의 내부에 회전 가능하게 설치되며 그 표면에 다수의 탈수공(3a)이 형성되어 있는 드럼 형상의 회전조(3)와, 회전조(3)를 회전시켜서 세탁행정과 헹굼행정, 그리고 탈수행정이 이루어지도록 하는 구동모터(4)를 구비한다.1 is a cross-sectional view schematically showing the overall configuration of a drum washing machine according to an embodiment of the present invention. As shown in FIG. 1, the drum washing machine according to the present invention has a housing shape that is substantially box-shaped to form an appearance of the drum washing machine, and a drum shape that is inclined inside the housing 1 to contain wash water. And a rotating tub (3) of a drum shape, which are rotatably installed inside the fixing tub (2), and a plurality of dewatering holes (3a) are formed on the surface thereof. It is provided with a drive motor (4) to rotate the washing stroke, rinsing stroke, and dehydration stroke.

고정조(2)와 회전조(3)의 전면부는 회전조(3)의 내부로 세탁할 세탁물을 넣거나 회전조(3)에서 세탁이 완료된 세탁물을 꺼낼 수 있도록 개방되어 있으며, 하우징(1)의 전면에는 고정조(2)와 회전조(3)의 개방된 전면부를 개폐하기 위한 도어(5)가 힌지 결합되어 있다.The front part of the fixed tank (2) and the rotating tank (3) is open to put the laundry to be washed into the interior of the rotating tank (3) or to take out the laundry that has been washed from the rotating tank (3), the housing (1) On the front, a door 5 for opening and closing an open front part of the fixing tank 2 and the rotating tank 3 is hinged.

회전조(3)의 내주면에는 세탁물을 회전조(3)의 하부에서 상부로 끌어올리기 위한 복수의 리프터(6)가 일정간격으로 배치되어 회전조(3)가 회전함에 따라 세탁물을 회전조(3)의 하부에서 상부로 끌어올린 후에 일정 높이에서 다시 회전조(3)의 하부로 낙하시켜서 세탁물이 세탁되도록 한다.On the inner circumferential surface of the rotary tub 3, a plurality of lifters 6 for lifting the laundry from the lower part of the rotary tub 3 to the upper part are arranged at regular intervals so that the laundry is rotated as the rotary tub 3 rotates. After raising from the bottom of the upper to lower to the bottom of the rotary tub (3) at a certain height so that the laundry is washed.

하우징(1)의 내측 상부에는 외부 급수원으로부터 회전조(3) 내부에 냉수를 공급하도록 마련된 냉수호스(7a와, 온수를 공급하도록 마련된 온수호스(7b)가 설치된다. 이 냉수호스(7a)에는 냉수의 공급을 유통 또는 차단하는 냉수밸브(11a)가 설치되고, 혼수호스(7b)에는 온수의 공급을 유통 또는 차단하는 온수밸브(11b)가 설 치된다. 따라서, 냉수밸브(11a)를 온 시킨 경우에는 냉수가 냉수호스(7a)를 통하여 회전조(11) 내에 공급되고, 온수밸브(11b)를 온 시킨 경우에는 온수가 온수호스(7b)를 통하여 회전조(3) 내에 공급된다.A cold water hose 7a provided to supply cold water to the inside of the rotary tub 3 from an external water source and a hot water hose 7b provided to supply hot water are installed in the upper portion of the housing 1. The cold water hose 7a is provided. A cold water valve 11a is installed in the water supply valve 11b for circulating or blocking the supply of cold water, and a hot water valve 11b is installed in the coma hose 7b for circulating or blocking the supply of hot water. When turned on, the cold water is supplied into the rotary tank 11 through the cold water hose 7a, and when the hot water valve 11b is turned on, the hot water is supplied into the rotary tank 3 through the hot water hose 7b.

또한, 하우징(1)의 내측 상부에는 회전조(3)에 세제를 공급하는 세제용기(8)가 설치된다. 상기한 냉수호스(7a)와 온수호스(7b)는 세제용기(8)에 각각 연결되어 세제용기(8)를 경유하여 회전조(3) 내에 냉수 또는 온수를 공급하게 된다.In addition, a detergent container 8 for supplying detergent to the rotating tank 3 is installed at an inner upper portion of the housing 1. The cold water hose 7a and the hot water hose 7b are respectively connected to the detergent container 8 to supply cold water or hot water to the rotary tank 3 via the detergent container 8.

또한, 하우징(1)의 내측 하부에는 하우징(1)의 외부로 세탁수를 배수시키기 위한 배수호스(9)와 배수펌프(10)가 설치되어 있다.In addition, a drain hose 9 and a drain pump 10 for draining the wash water to the outside of the housing 1 are installed at the inner lower portion of the housing 1.

따라서, 세탁물을 회전조(3)에 투입한 후에 드럼세탁기를 작동시키게 되면 급수호스(7)와 세제용기(8)를 통해 고정조(2)에 세제가 혼합된 세탁수가 공급된 후, 회전조(3)의 회전에 의해 세탁물이 리프터(6)를 따라 상향으로 들어 올려지고 하향으로 낙하하게 됨으로써 세탁물이 세탁된다.Therefore, when the washing machine is operated after the laundry is put into the rotating tank 3, the washing water mixed with the detergent is supplied to the fixing tank 2 through the water supply hose 7 and the detergent container 8, and then the rotating tank. By the rotation of (3), the laundry is lifted upward along the lifter 6 and falls downward, thereby washing the laundry.

한편, 세탁물을 더욱 효과적으로 세탁할 수 있도록 고정조(2)의 바닥면에는 세탁수를 가열하기 위한 히터(20)가 설치된다.On the other hand, the heater 20 for heating the wash water is installed on the bottom surface of the fixing tank 2 to wash the laundry more effectively.

도 2에 도시된 바와 같이, 본 발명의 실시예에 따른 드럼세탁기는 전반적인 제어를 수행하는 제어부(30)를 구비한다.As shown in Figure 2, the drum washing machine according to the embodiment of the present invention includes a control unit 30 for performing overall control.

이 제어부(30)의 입력측에는 회전조(3) 내에 공급된 세탁수의 수위를 검출하는 수위검출센서(31)와, 회전조(3) 내에 공급된 세탁수의 수온을 검출하는 수온검출센서(32)가 전기적으로 연결된다.On the input side of the control unit 30, a water level detection sensor 31 for detecting the water level of the washing water supplied into the rotating tank 3, and a water temperature detection sensor for detecting the water temperature of the washing water supplied to the rotating tank 3 ( 32 is electrically connected.

이 제어부(30)의 출력측에는 냉수호스(7a)에 설치된 냉수밸브(11a)와 온수호 스(7b)에 설치된 온수밸브(11b)를 구동시키는 밸브구동부(33)와, 구동모터(4)를 구동시키는 모터구동부(34)와, 배수펌프(10)를 구동시키는 펌프구동부(35)와, 히터(20)를 구동시키는 히터구동부(36)가 전기적으로 연결된다.On the output side of the control unit 30, a valve driving unit 33 for driving a cold water valve 11a provided in the cold water hose 7a and a hot water valve 11b provided in the hot water hose 7b, and a drive motor 4 are provided. The motor driver 34 for driving, the pump driver 35 for driving the drainage pump 10, and the heater driver 36 for driving the heater 20 are electrically connected to each other.

상기한 제어부(30)는 최종 탈수행정 직전의 마지막 헹굼시, 밸브구동부(33)를 통해 냉수밸브(16)와 온수밸브(17)를 선택적으로 또는 함께 작동시켜 필요에 따라 회전조(3) 내에 냉수만을 공급하여 급수하거나, 냉수와 온수를 교대로 공급하여 급수한다. 상기 제어부(30)는 급수의 완료를 급수시간을 카운트하거나, 급수된 물이 설정수위에 도달하였는지를 판단하여 인식한다.The control unit 30 operates the cold water valve 16 and the hot water valve 17 selectively or together through the valve driving unit 33 at the time of the last rinsing immediately before the final dehydration stroke, and then, if necessary, in the rotary tank 3. Water is supplied by supplying only cold water, or by supplying cold water and hot water alternately. The control unit 30 recognizes the completion of the water supply by counting the water supply time or by determining whether the water supply has reached the set water level.

본 발명에서는 크게 냉수의 헹굼수만을 급수하여 마지막 헹굼을 수행하는 경우와, 냉수와 온수 모두를 급수하여 마지막 헹굼을 수행하는 경우로 구분할수 있다. 먼저, 냉수의 헹굼수만을 급수하여 마지막 헹굼을 수행하는 경우, 제어부(30)는 밸브구동부(33)를 통해 냉수밸브(11a)를 개방하여 설정수위까지 냉수의 헹굼수를 급수한다. 그리고, 급수와 함께 히터구동부(36)를 통해 히터(20)를 작동시켜 급수된 냉수의 헹굼수를 가열하여 헹굼수의 온도를 미리 설정된 온도로 상승시킨다. In the present invention, it can be divided into a case of performing the last rinsing by supplying only rinsing water of cold water and a case of performing the last rinsing by supplying both cold and hot water. First, when the final rinsing is performed by supplying only the rinsing water of the cold water, the controller 30 opens the cold water valve 11a through the valve driving unit 33 to supply the rinsing water of the cold water to the set water level. Then, the heater 20 is operated through the heater driver 36 together with the water supply to heat the rinsing water of the cold water supplied to increase the temperature of the rinsing water to a preset temperature.

이 후 온도 상승된 헹굼수를 이용하여 세탁물을 헹굼으로서 따뜻한 물이 세탁물에 닿으면서 세탁물의 경직성이 적어지고, 포풀림이 원활해져 세탁물이 부드러워진 상태에서 최종 탈수행정에 진입하게 되므로, 탈수성능이 향상되게 된다. 이때, 헹굼수의 온도는 최종 탈수행정 후 세탁물의 잔류수분량에 의해 결정되는데, 도 3에 도시된 바와 같이, 헹굼수온도와 잔류수분량의 상관관계에 따라 헹굼수온도 를 20 내지 30사이의 온도로 상승시킨다. 이는 실험결과 헹굼수의 20이하일 때에는 잔류수분량이 높지만, 20에서 잔류수분량이 급격히 줄어들고, 30이상일 때에는 헹굼수온도를 높이더라도 잔류수분량이 그다지 큰 폭으로 줄어들지 않기 때문이다.After rinsing the laundry by using the rinsed water, the temperature of the water is increased, the warm water reaches the laundry, the rigidity of the laundry decreases, the foaming is smooth, and the laundry enters the final dehydration stroke in a soft state, thereby improving dehydration performance. Will be. At this time, the temperature of the rinsing water is determined by the residual water content of the laundry after the final dehydration stroke, as shown in Figure 3, according to the correlation between the rinsing water temperature and the residual water amount to the temperature of the rinsing water between 20 to 30 Raise. This is because the residual water content is high when the rinse water is 20 or less, but the residual water content is sharply reduced at 20, and when the rinse water temperature is higher than 30, the residual water content is not significantly reduced.

한편, 냉수와 온수의 헹굼수를 모두 급수하여 마지막 헹굼을 수행하는 경우, 제어부(30)는 밸브구동부(33)를 통해 냉수밸브(11a)와 온수밸브(11b)를 번갈아 개방하여 설정수위까지 냉수의 헹굼수를 급수한다. 그리고, 제어부는 급수와 함께 수위검출센서(32)를 통해 급수된 헹굼수의 온도를 검출하여 검출된 헹굼수온도가 20 내지 30사이의 온도에 도달하도록 냉수밸브(11a)와 온수밸브(11b)의 개방시간을 조절하여 냉수량과 온수량을 조절한다. 이 후 온도 상승된 헹굼수를 이용하여 세탁물을 헹굼으로서 따뜻한 물이 세탁물에 닿으면서 세탁물의 경직성이 적어지고, 포풀림이 원활해져 세탁물이 부드러워진 상태에서 최종 탈수행정에 진입하게 되므로, 탈수성능이 향상되게 된다.On the other hand, in the case of performing the final rinsing by supplying both rinsing water of cold water and hot water, the controller 30 alternately opens the cold water valve 11a and the hot water valve 11b through the valve driving unit 33 to cool the water to the set water level. The rinse water. The control unit detects the temperature of the rinsing water supplied through the water level detection sensor 32 together with the water supply, so that the detected rinsing water temperature reaches a temperature between 20 and 30, and the hot water valve 11a and the hot water valve 11b. Adjust the opening time of the chilled water and hot water. After rinsing the laundry by using the rinsed water, the temperature of the water is increased, the warm water reaches the laundry, the rigidity of the laundry decreases, the foaming is smooth, and the laundry enters the final dehydration stroke in a soft state, thereby improving dehydration performance. Will be.

이하에서는 냉수의 헹굼수를 급수하여 마지막 헹굼하는 경우를 예를 들어 본 발명의 드럼세탁기의 헹굼제어방법을 설명한다.Hereinafter, the rinsing control method of the drum washing machine according to the present invention will be described, for example, when the final rinsing is performed by supplying rinsing water of cold water.

도 4를 살펴보면, 제어부(30)는 단계 S100에서 최종 탈수행정 직전의 마지막 헹굼인지를 판단하고, 마지막 헹굼이면, 제어부(30)는 단계 S101에서 냉수밸브(11a)를 개방하여 냉수의 헹굼수를 급수한다. 이때, 단계 S102 내지 S104에 걸쳐 히터(20)를 온 시켜 급수된 헹굼수온도를 설정온도로 상승시킨다. 단계 S104에서 헹굼수온도가 설정온도에 도달하면, 단계 S105에서 히터(20)를 정지시켜 헹굼수가열을 정지시킨 후 단계 S106에서 헹굼을 수행한다.Referring to FIG. 4, the controller 30 determines whether it is the last rinse immediately before the final dehydration stroke in step S100, and if the last rinse, the controller 30 opens the cold water valve 11a in step S101 to rinse the cold water. Water. At this time, the heater 20 is turned on through the steps S102 to S104 to raise the rinsing water temperature supplied to the set temperature. When the rinsing water temperature reaches the set temperature in step S104, the heater 20 is stopped in step S105 to stop the rinsing water heating, and then rinsing is performed in step S106.

한편, 단계 S100에서 마지막 헹굼이 아니면, 단계 S107에서 냉수의 헹굼수를 급수한 후 헹굼수의 가열없이 설정수위에 도달하면 헹굼을 수행한다.On the other hand, if it is not the last rinsing in step S100, after the rinsing water of cold water is supplied in step S107 and the set water level is reached without heating the rinsing water, rinsing is performed.

이하에서는 냉수와 온수의 헹굼수를 급수하여 마지막 헹굼하는 경우를 예를 들어 본 발명의 드럼세탁기의 헹굼제어방법을 설명한다.Hereinafter, a rinsing control method of the drum washing machine of the present invention will be described, for example, when the final rinsing is performed by supplying rinsing water of cold water and hot water.

도 5를 살펴보면, 제어부(30)는 단계 S110에서 최종 탈수행정 직전의 마지막 헹굼인지를 판단하고, 마지막 헹굼이면, 제어부(30)는 단계 S111에서 냉수밸브(11a)와 온수밸브(11b)를 번갈아 개방하여 냉수와 온수의 헹굼수를 설정수위까지 급수한다. 이때, 단계 S112 내지 S114에 걸쳐 냉수량과 온수량을 조절하여 헹굼수온도를 설정온도로 유지시킨다. 그런 후 단계 S113에서 헹굼수온도가 설정온도에 도달하면, 단계 S115에서 헹굼을 수행한다.Referring to FIG. 5, the controller 30 determines whether it is the last rinse immediately before the final dehydration stroke in step S110, and if the last rinse, the controller 30 alternates the cold water valve 11a and the hot water valve 11b in step S111. Open and feed cold and hot water rinsing water to the set level. At this time, the rinsing water temperature is maintained at the set temperature by adjusting the amount of cold water and hot water over steps S112 to S114. Then, when the rinsing water temperature reaches the set temperature in step S113, the rinsing is performed in step S115.

한편, 단계 S110에서 마지막 헹굼이 아니면, 단계 S116에서 냉수와 온수의 헹굼수를 급수한 후 헹굼수의 온도상승없이 설정수위에 도달하면 헹굼을 수행한다.On the other hand, if it is not the last rinsing in step S110, after rinsing water of cold water and hot water is supplied in step S116, the rinsing is performed when the set water level is reached without increasing the temperature of the rinsing water.

이상에서 상세히 설명한 바와 같이, 본 발명은 최종 탈수행정시의 탈수성능을 향상시켜 최종 탈수행정 후 세탁물의 잔류수분량을 줄이기 위하여 최종 탈수행정 직전의 마지막 헹굼시 헹굼수의 온도를 적절히 상승시키고, 온도 상승된 헹굼수를 이용하여 헹굼을 수행함으로서 세탁물의 섬유를 부드럽게 한 상태에서 최종 탈수행정이 수행될 수 있도록 한다. 따라서, 최종 탈수행정시 세탁물의 포풀림이 용이하고, 언밸런스를 방지하여 탈수효율을 향상시킴으로서 최종 탈수행정 후 세탁물의 잔류수분량이 효과적으로 줄어든 상태에서 건조행정을 수행하게 되므로, 건조행 정시간을 대폭 줄일 수 있는 효과가 있다.As described in detail above, the present invention is to properly increase the temperature of the rinsing water during the last rinse immediately before the final dehydration stroke to improve the dehydration performance during the final dehydration stroke to reduce the residual water content of the laundry after the final dehydration stroke, The rinsing is performed by using the rinsed water so that the final dehydration stroke can be performed while the fibers of the laundry are softened. Therefore, it is easy to inflate laundry during the final dehydration operation, and prevents unbalance, thereby improving the dehydration efficiency, thereby drastically reducing the drying administration time since the drying administration is effectively performed after the final dehydration administration. It can be effective.

Claims (6)

히터를 구비한 드럼세탁기의 헹굼제어방법에 있어서,In the rinsing control method of the drum washing machine provided with a heater, 최종 탈수행정 직전의 마지막 헹굼시, 냉수의 헹굼수를 급수하고;At the last rinse just before the final dehydration stroke, rinse water of cold water is supplied; 상기 급수된 냉수의 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하도록 상기 히터를 온 시키고;Turning on the heater such that the temperature of the rinsing water of the water supply cold water reaches a temperature between 20 and 30; 상기 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하면 상기 히터를 오프시키고;Turning off the heater when the temperature of the rinse water reaches a temperature between 20 and 30; 상기 20 내지 30 사이의 온도에 도달한 헹굼수를 이용하여 헹굼을 수행하는; 것을 포함하는 드럼세탁기의 헹굼제어방법.Performing rinsing using rinsing water having reached a temperature between 20 and 30; Rinsing control method of the drum washing machine comprising a. 삭제delete 삭제delete 제1항에 있어서, 상기 헹굼수의 급수 중에 상기 히터를 작동시키는 것을 특징으로 하는 드럼세탁기의 헹굼제어방법.The rinsing control method of a drum washing machine according to claim 1, wherein said heater is operated during water supply of said rinsing water. 고정조 내에 냉수와 온수의 헹굼수를 급수하여 헹굼을 수행하는 드럼세탁기의 헹굼제어방법에 있어서,In the rinsing control method of the drum washing machine to rinse by supplying the rinsing water of cold water and hot water in the fixed tank, 최종 탈수행정 직전 마지막 헹굼시, 냉수와 온수의 헹굼수를 급수하고;At the last rinse just before the final dewatering stroke, rinsing water of cold water and hot water is supplied; 상기 급수된 냉수량과 온수량을 조절하여 헹굼수의 온도를 20 내지 30 사이의 온도로 상승시키고;Raising the temperature of the rinsing water to a temperature between 20 and 30 by adjusting the amount of cold water and hot water supplied; 상기 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하면, 상기 헹굼수를 이용하여 헹굼을 수행하는; 것을 포함하는 드럼세탁기의 헹굼제어방법.When the temperature of the rinsing water reaches a temperature between 20 and 30, performing rinsing using the rinsing water; Rinsing control method of the drum washing machine comprising a. 히터를 구비한 드럼세탁기에 있어서,In the drum washing machine provided with a heater, 최종 탈수행정 직전의 마지막 헹굼행정시 급수된 냉수의 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하도록 상기 히터를 온 시키고, 상기 헹굼수의 온도가 20 내지 30 사이의 온도에 도달하면 상기 히터를 오프시키고, 상기 20 내지 30 사이의 온도에 도달한 헹굼수를 이용하여 헹굼을 수행하는 제어부;를 구성한 것을 특징으로 하는 드럼세탁기.The heater is turned on so that the temperature of the rinsing water of the cold water supplied in the last rinsing stroke immediately before the final dehydration stroke reaches a temperature between 20 and 30, and when the temperature of the rinsing water reaches a temperature between 20 and 30 Turning off, the controller for performing the rinsing using the rinsing water reached the temperature of 20 to 30; drum washing machine comprising a.
KR1020050093958A 2005-10-06 2005-10-06 Drum type washing machine and control rinsing method thereof KR101184452B1 (en)

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