KR20010076002A - wash controll method of a washing machine - Google Patents

wash controll method of a washing machine Download PDF

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Publication number
KR20010076002A
KR20010076002A KR1020000003243A KR20000003243A KR20010076002A KR 20010076002 A KR20010076002 A KR 20010076002A KR 1020000003243 A KR1020000003243 A KR 1020000003243A KR 20000003243 A KR20000003243 A KR 20000003243A KR 20010076002 A KR20010076002 A KR 20010076002A
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KR
South Korea
Prior art keywords
washing
temperature
time
heater
water
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KR1020000003243A
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Korean (ko)
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KR100657814B1 (en
Inventor
원종훈
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윤종용
삼성전자 주식회사
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Priority to KR1020000003243A priority Critical patent/KR100657814B1/en
Priority to TR2000/03656A priority patent/TR200003656A2/en
Publication of KR20010076002A publication Critical patent/KR20010076002A/en
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Publication of KR100657814B1 publication Critical patent/KR100657814B1/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 
    • D06F39/04—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
    • 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
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis

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

Abstract

PURPOSE: A washing control method of a drum washing machine is provided to perform boiling washing, and to improve washing efficiency by resetting washing condition corresponding to the laundry amount and the washing water amount according to changes of temperature in boiling washing. CONSTITUTION: Washing water is supplied to a rotating tub through a supply valve with detergent by selecting boiling washing through a key input unit of a control panel in putting the laundry in the rotating tub. A control unit drives a motor and a heater by controlling a motor driving unit and a heater driving unit, and performs boiling washing in setting time and temperature of washing. The heater is stopped to restrict water heating in case of the water temperature to be over the reference value. The control unit counts the heater driving time, and detects the water temperature in stopping the heater in case of the heater driving time to be shorter than the first reference time. The heater stop time counts in case of the water temperature to be the second reference value. The washing hour and the washing temperature are reset over the initial set washing time and temperature in case of the heater stop time to be more than the second reference time. The control unit performs boiling washing by driving the motor and the heater, and detects the washing temperature by a temperature sensor. Heating water is stopped by stopping the heater at the set washing temperature, and boiling washing is finished by stopping the motor at the reset washing time.

Description

드럼세탁기의 세탁 제어방법{wash controll method of a washing machine}Washing control method of drum washing machine {wash controll method of a washing machine}

본 발명은 드럼세탁기의 세탁 제어방법에 관한 것으로, 보다 상세하게는 삶은세탁을 수행하는 도중 세탁수의 온도변화에 따라 세탁조건을 재설정하여 삶은세탁을 수행하는 드럼세탁기의 세탁 제어방법에 관한 것이다.The present invention relates to a washing control method of a drum washing machine, and more particularly, to a washing control method of a drum washing machine to perform the boiled washing by resetting the washing conditions according to the temperature change of the wash water during the boiled washing.

일반적으로 드럼세탁기는 원통형상의 회전조를 회전시켜 세탁물이 올려졌다떨어지는 충격을 이용하여 세탁물을 두드려 빠는 방식으로 세탁물의 꼬임에 의한 손상이 적고 물의 사용량이 적게 드는 이점이 있다.In general, the drum washing machine has the advantage of less damage due to the twist of the laundry and less water usage by rotating the cylindrical rotary tub by tapping the laundry using the impact of falling laundry.

종래의 드럼세탁기에서는 본체 내부에 원통형상의 드럼을 마련하고, 그 드럼 내부에 회전가능하게 설치된 회전조를 구비하고 있다. 그리고, 회전조를 회전시키도록 모터의 구동력을 회전조로 전달하기 위한 동력전달장치를 구비하며, 이와 함께 세탁수와 세제를 공급하기 위한 급수장치 및 세제 공급장치를 구비하고 있다. 그리고, 세탁수를 가열하기 위한 히터를 구비하며, 본체 일측에는 세탁수의 수위를 감지하는 수위센서와 세탁수의 온도를 감지하는 온도센서가 설치된다.In the conventional drum washing machine, a cylindrical drum is provided in the main body, and a rotating tub provided in the drum is rotatably provided. In addition, a power transmission device for transmitting the driving force of the motor to the rotating tank to rotate the rotating tank, and is provided with a water supply and detergent supply device for supplying wash water and detergent. A heater for heating the washing water is provided, and a water level sensor for detecting the level of the washing water and a temperature sensor for detecting the temperature of the washing water are installed at one side of the main body.

이와 같이 구성된 종래의 드럼세탁기의 작동은 사용자의 입력명령에 따라 세탁, 헹굼 및 탈수행정이 수행되도록 모터의 구동력이 동력전달장치를 통해 회전조로 전달되어 소정 속도로 회전조를 회전시켜 세탁이 이루어지게 된다. 특히, 삶은세탁으로 선택된 경우에는 회전조를 회전시켜 세탁하는 동작과 함께 히터를 이용하여 세탁수를 소정의 온도로 가열시키면서 세탁을 수행하게 된다.The operation of the conventional drum washing machine configured as described above causes the driving force of the motor to be transmitted to the rotating tank through the power transmission device so that washing, rinsing, and dehydrating strokes are performed according to a user's input command. do. In particular, when boiled washing is selected, washing is performed by rotating the rotating tub and washing the washing water to a predetermined temperature using a heater.

이에 대한 종래의 세탁 제어방법을 도 1에 따라 설명한다.A conventional laundry control method thereof will be described with reference to FIG. 1.

먼저, 사용자가 회전조 내측에 세탁물을 투입한 후 콘트롤판넬을 조작하여 삶은세탁 코스를 선택하면(S11), 마이콤에 의하여 급수장치 및 세제 공급장치가 구동되어 세제통에 담겨진 세제와 함께 세탁물의 양에 대응하는 수위레벨(고수위,중수위, 저수위)에 도달시까지 세탁수가 회전조의 내측으로 유입되는데, 이때 세탁물의 양이 많을수록 높은 수위레벨의 세탁수가 공급되고 세탁물의 양이 적으면 상대적으로 적은 세탁수가 공급된다(S12). 이어, 삶은세탁을 위한 세탁조건을 즉, 모터와 히터를 구동하는 세탁시간과 삶은세탁을 위한 세탁온도를 설정하는데, 이 설정기준은 세탁물의 양이 중간이고 세탁수의 양이 중간 정도로 공급된 상태를 기준으로 설정하게 된다(S13).First, when the user puts the laundry inside the rotating tub and selects the boiled washing course by operating the control panel (S11), the water supply device and the detergent supply device are driven by the microcomputer and the amount of the laundry with the detergent contained in the detergent container. Washing water flows into the inside of the rotating tank until the corresponding water level is reached (high water level, medium water level, low water level), where the greater the amount of laundry, the higher the level of washing water is supplied, and the smaller the quantity of laundry, the smaller the washing water. It is supplied (S12). Subsequently, washing conditions for boiled washing are set, that is, a washing time for driving a motor and a heater and a washing temperature for boiled washing are set. It is set based on (S13).

이후, 설정된 세탁조건에 따라 모터와 히터를 구동하여 삶은세탁을 수행하며(S14), 이러한 삶은세탁을 수행하는 도중에 온도센서를 통하여 세탁수의 온도를 검출하고(S15), 검출된 세탁수의 온도가 설정된 세탁온도 이상이 아닐 경우 계속 회전조를 회전시키면서 세탁수를 가열하는 한편, 설정된 세탁온도 이상일 경우 히터의 구동을 정지시켜 세탁수의 가열을 중지한다(S16-S17).Thereafter, the motor and the heater are driven according to the set washing conditions to perform boiled washing (S14). During the washing, the temperature of the washing water is detected through a temperature sensor (S15), and the detected temperature of the washing water is performed. When the washing temperature is not higher than the set washing temperature, the washing water is heated while continuously rotating the rotating bath, and when the washing temperature is higher than the set washing temperature, the driving of the heater is stopped (S16-S17).

이와 같이 세탁수의 가열이 중지된 상태에서 세탁을 수행하되, 경과시간을 카운트하여 설정된 세탁시간이 경과했을 경우 삶은세탁을 종료한다(S18).As described above, washing is performed while the washing of the washing water is stopped, but when the set washing time has elapsed by counting the elapsed time, the boiled washing is terminated (S18).

그러나, 종래기술에 따른 세탁 제어방법에서는 투입된 세탁물의 양과 세탁수의 양이 다름에도 불구하고 세탁물과 세탁수의 양이 중간 정도로 공급된 상태를 기준으로 세탁시간과 세탁온도를 일률적으로 결정하여 삶은세탁을 종료하기 때문에 실제 투입된 세탁물의 양이 많거나 적은 경우에는 세탁물의 상태에 적합한 세탁조건이 반영되지 않아 충실한 삶은세탁을 수행할 수 없었는데 예를 들어 대량의 세탁물을 삶은세탁할 경우 찌든 때가 깨끗하게 세탁되지 않거나 혹은 소량의 세탁물을 삶은세탁할 경우 불필요한 히터의 작동으로 세탁물의 손상을 초래할 우려가 있는 등 만족할 만한 세탁효과를 기대할 수 없는 문제점이 있었다.However, in the laundry control method according to the prior art, even though the amount of laundry and the amount of wash water is different, the washing time and the washing temperature are uniformly determined based on the state in which the amount of the laundry and the wash water are supplied to the middle. If the amount of laundry actually put in is large or small, the washing conditions suitable for the condition of the laundry are not reflected, so that the boiled laundry could not be faithfully washed. Otherwise, when washing a small amount of laundry boiled, there is a problem that can not expect a satisfactory washing effect, such as there is a risk of causing damage to the laundry by the unnecessary operation of the heater.

따라서, 본 발명은 위와 같은 문제점을 해결하기 위한 것으로, 본 발명의 목적은 삶은세탁을 수행하는 도중 세탁수의 온도변화에 따라 투입된 세탁물과 세탁수의 양에 적합한 세탁조건으로 재설정하여 삶은세탁을 수행함으로써 세탁효과를 향상시킬 수 있도록 한 드럼세탁기의 세탁 제어방법을 제공함에 있다.Therefore, the present invention is to solve the above problems, an object of the present invention is to perform the boiled washing by resetting to the washing conditions suitable for the amount of laundry and washing water introduced according to the temperature change of the wash water during the boiled washing By providing a washing control method of the drum washing machine to improve the washing effect.

도 1은 종래 드럼세탁기의 세탁 제어방법을 나타낸 플로우차트,1 is a flowchart illustrating a washing control method of a conventional drum washing machine;

도 2는 본 발명이 적용되는 드럼세탁기를 나타낸 사시도,2 is a perspective view showing a drum washing machine to which the present invention is applied;

도 3은 본 발명이 적용되는 드럼세탁기의 세탁 제어장치의 블럭구성도,3 is a block diagram of a laundry control apparatus for a drum washing machine to which the present invention is applied;

도 4는 본 발명에 따른 드럼세탁기의 세탁 제어방법을 나타낸 플로우차트.4 is a flowchart illustrating a washing control method of a drum washing machine according to the present invention.

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

50 : 제어부 51 : 키입력부50: control unit 51: key input unit

52 : 수위감지부 53 : 수온감지부52: water level detection unit 53: water temperature detection unit

54 : 밸브구동부 55 : 모터구동부54: valve driving unit 55: motor driving unit

56 : 히터구동부56: heater driving unit

상기와 같은 본 발명의 목적은 주어진 세탁조건에 따라 모터 및 히터를 구동하여 삶은세탁을 수행하는 드럼세탁기에 있어서, 초기에 세탁시간과 세탁온도를 설정하는 초기설정단계; 설정된 세탁시간과 세탁온도에 따라 삶은세탁을 수행하는 도중에 세탁수의 온도를 검출하는 검출단계; 삶은세탁을 시작한 후 세탁수의 온도가 제1기준온도로 높아지도록 구동되는 히터의 구동시간이 제1기준시간 이상인지를 판단하는 단계; 및 상기 단계의 판단결과 히터 구동시간이 제1기준시간 이상이면 초기 설정된 세탁시간과 세탁온도를 재설정하는 단계에 의하여 달성된다.An object of the present invention as described above is a drum washing machine that performs a boiled laundry by driving a motor and a heater according to a given washing condition, the initial setting step of initially setting the washing time and washing temperature; A detection step of detecting a temperature of the washing water while performing the boiled washing according to the set washing time and washing temperature; Determining whether the driving time of the heater driven to increase the temperature of the washing water to the first reference temperature after the start of the boiled washing is greater than or equal to the first reference time; And resetting the initial washing time and washing temperature if the heater driving time is equal to or greater than the first reference time.

본 발명에 따르면, 상기 재설정단계는 초기 세탁시간을 길게하고 초기 세탁온도를 높게 설정하는 것을 특징으로 한다.According to the invention, the resetting step is characterized in that the initial washing time is set longer and the initial washing temperature is set higher.

또, 본 발명에 따르면, 상기 히터 구동시간이 제1기준시간 보다 작으면 히터구동이 정지된 상태에서 세탁수의 온도가 제1기준온도에서 떨어져 제2기준온도에 도달하는 히터의 정지시간이 제2기준시간이상인지를 판단하는 단계와, 상기 단계의 판단결과 히터 정지시간이 제2기준시간 보다 작으면 초기 세탁시간을 짧게 하고 초기 세탁온도를 낮게 설정하는 단계를 더 포함하는 것을 특징으로 한다.According to the present invention, if the heater driving time is less than the first reference time, the stop time of the heater reaching the second reference temperature when the temperature of the washing water drops from the first reference temperature when the heater driving is stopped is reduced. Determining whether or not more than two reference time, and if the heater stop time is less than the second reference time as a result of the step characterized in that it further comprises the step of shortening the initial washing time and setting the initial washing temperature low.

본 발명에 따르면, 상기 단계의 판단결과 히터 정지시간이 제2기준시간이상이면 초기 세탁시간을 길게 재설정하거나 혹은 초기 세탁온도를 높게 설정하는 것을 특징으로 한다.According to the present invention, if the heater stop time is greater than or equal to the second reference time, the initial washing time may be reset or the initial washing temperature may be set higher.

이하, 본 발명의 바람직한 일실시예를 첨부도면을 참조하여 상세히 설명한다.Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명이 적용되는 드럼세탁기를 나타낸 사시도이다.Figure 2 is a perspective view showing a drum washing machine to which the present invention is applied.

도시한 바와 같이, 본 발명의 드럼세탁기에는 본체(10) 내부에 설치된 원통형상의 드럼(11)과 이 드럼(11)의 개구부에 결합되는 덮개(15)를 구비하고, 이 드럼(11)의 내부에는 다수의 구멍이 천공된 회전조(12)가 회전가능하게 설치된다.As shown in the drawing, the drum washing machine according to the present invention includes a cylindrical drum 11 installed inside the main body 10 and a lid 15 coupled to the opening of the drum 11. There is a rotatable tub 12 in which a plurality of holes are drilled is rotatably installed.

그리고 이 회전조(12)의 회전을 위하여 본체(10) 하부에 모터(13)가 설치되며, 드럼(11)의 상부에는 세탁수를 가열하기 위한 히터(14)가 설치된다.In addition, a motor 13 is installed below the main body 10 for the rotation of the rotary tub 12, and a heater 14 for heating the washing water is installed at the upper portion of the drum 11.

또한, 회전조(12)의 후면에는 그 외측단이 드럼(11)의 외측까지 연장된 축에 풀리(미도시)가 설치되고, 이 풀리와 모터(13)에는 벨트(16)가 설치되어 모터(13)의 구동력이 회전조(12)로 전달되도록 한다.In addition, a pulley (not shown) is installed on the rear side of the rotating tub 12 on an axis whose outer end extends to the outside of the drum 11, and a belt 16 is installed on the pulley and the motor 13 so that the motor The driving force of (13) is to be transmitted to the rotating tub (12).

한편, 드럼(11)의 하부에는 세탁수를 배수하기 위한 배수호스(17)가 연결되어 있으며, 이 배수호스(17)에는 드럼(11)내의 세탁수를 펌핑하기 위한 펌프(18)가 본체(10)의 바닥에 설치된다.Meanwhile, a drain hose 17 for draining the wash water is connected to the lower part of the drum 11, and a pump 18 for pumping the wash water in the drum 11 is connected to the drain hose 17. 10) is installed at the bottom.

그리고 본체(10)의 상측에는 드럼(11) 내부의 세탁수의 양을 감지하기 위해 에어호스(20)에 연결된 수위센서(19)가 설치되고, 덮개(15)에는 드럼(11) 내부에 급수된 세탁수의 온도를 감지하기 위한 온도센서(21)가 설치된다.In addition, a water level sensor 19 connected to the air hose 20 is installed at the upper side of the main body 10 to detect the amount of washing water inside the drum 11, and the cover 15 has a water supply inside the drum 11. Temperature sensor 21 for sensing the temperature of the wash water is installed.

도 3은 본 발명이 적용되는 드럼세탁기의 세탁 제어장치의 블럭구성도이다. 도시한 바와 같이, 제어부(50)의 입력단에는 세탁코스(표준세탁 코스, 삶은세탁 코스 등)을 입력하기 위한 키입력부(51)와, 수위센서(19)를 포함하며 감지한 세탁수의 수위를 나타내는 수위감지신호를 출력하는 수위감지부(52)와, 온도센서(21)를 포함하며 감지한 세탁수의 수온을 나타내는 수온감지신호를 출력하는 수온감지부(53)가 전기적으로 접속된다.Figure 3 is a block diagram of a washing control device of a drum washing machine to which the present invention is applied. As shown, the input terminal of the control unit 50 includes a key input unit 51 for inputting a washing course (standard washing course, boiled washing course, etc.) and a water level sensor 19 to detect the detected water level. The water level detection unit 52 for outputting the water level detection signal, and the water temperature detection unit 53 including the temperature sensor 21 and outputting the water temperature detection signal indicating the detected water temperature of the wash water are electrically connected.

그리고, 제어부(50)의 출력단에는 제어부(50)의 제어하에 세탁수를 공급하기 위하여 급수밸브(미도시)를 개폐작동시키는 급수밸브구동부(54)와, 세탁시 회전조(12)를 회전시키기 위해 모터(13)를 구동시키는 모터구동부(55)와, 삶은세탁시 세탁수를 가열하기 위해 히터(14)를 구동시키는 히터구동부(56)가 전기적으로 접속된다.In addition, the output end of the control unit 50 rotates the water supply valve driver 54 for opening and closing a water supply valve (not shown) to supply washing water under the control of the control unit 50, and rotating the rotating tub 12 during washing. The motor driver 55 for driving the motor 13 and the heater driver 56 for driving the heater 14 for heating the wash water during washing are electrically connected.

상기 제어부(50)는 사용자에 의해 키입력부(51)를 통해 삶은세탁 코스가 선택되면, 초기에 설정된 세탁조건에 따라 삶은세탁을 수행하는 도중에 수온감지부(53)를 통하여 감지한 세탁수의 온도에 따라 세탁조건을 재설정한 후 재설정된 세탁조건에 따라 삶은세탁을 수행하게 된다. 즉, 상기 제어부(50)는 히터 구동시간과 히터 정지시간에 따라 적합한 세탁조건(세탁시간과 세탁온도)을 재설정하고, 재설정된 세탁조건에 따라 삶은세탁을 수행하는 동작을 제어하는데, 이는 투입된 세탁물과 세탁수의 양에 따라 세탁수의 온도가 소정 온도로 높아지도록 히터를 구동하는 히터 구동시간이 다르며 또한 세탁수의 온도가 소정 온도로 떨어지도록 히터의 구동이 정지되는 히터 정지시간이 다르기 때문이다.The controller 50, when the boiled washing course is selected by the user through the key input unit 51, the temperature of the washing water detected by the water temperature sensing unit 53 during the boiled washing according to the initial washing conditions After the washing conditions are reset according to the boiled washing according to the reset washing conditions. That is, the controller 50 resets the appropriate washing condition (washing time and washing temperature) according to the heater driving time and the heater stop time, and controls the operation of performing the boiled washing according to the reset washing condition, which is loaded laundry. This is because the heater driving time for driving the heater is different according to the amount of washing water and the washing water is raised to a predetermined temperature, and the heater stop time at which the driving of the heater is stopped so that the washing water temperature drops to a predetermined temperature is different. .

이와 같이, 삶은세탁을 수행하는 도중에 투입된 세탁물과 세탁수의 양이 반영된 세탁조건으로 재설정하여 남은 삶은세탁을 수행함으로써 보다 월등한 세탁효과를 얻을 수 있게 된다.In this manner, by performing the remaining boiled laundry by resetting to the washing conditions reflecting the amount of the laundry and the amount of wash water introduced during the boiled laundry, it is possible to obtain a superior washing effect.

이하에서는, 본 발명에 따른 드럼세탁기의 세탁 제어방법을 도 4에 따라 상세히 설명하기로 한다.Hereinafter, the washing control method of the drum washing machine according to the present invention will be described in detail with reference to FIG.

먼저, 사용자가 회전조(12) 내측에 세탁물을 투입한 후 콘트롤판넬에 마련되는 키입력부(51)를 통하여 삶은세탁 코스를 선택하면(S101), 제어부(50)는 급수밸브구동부(54)를 각각 제어하여 급수밸브(V)를 개방하며, 세제 공급장치(미도시)가 구동되어 세제통에 담겨진 세제와 함께 개방된 급수밸브(V)를 통하여 세탁수가 회전조의 내측으로 유입되는데, 세탁물의 양에 대응하는 수위레벨(고수위,중수위, 저수위)에 도달시까지 세탁수가 급수된다(S102). 이어, 삶은세탁을 위한 초기 세탁조건인 세탁시간(T)과 세탁온도(H)를 종래의 방법과 동일하게 초기 설정하는데, 이 설정기준은 세탁물의 양이 중간이고 세탁수의 양이 중간 정도로 공급된 상태를 기준으로 설정하게 된다(S103).First, when a user inputs laundry into the rotating tub 12 and selects a boiled washing course through the key input unit 51 provided in the control panel (S101), the controller 50 controls the water supply valve driver 54. The water supply valve (V) is opened by controlling each, and a detergent supply device (not shown) is driven to wash water into the rotating tank through the water supply valve (V) opened together with the detergent contained in the detergent container. Washing water is supplied until reaching the corresponding water level (high water level, medium water level, low water level) (S102). Subsequently, initial washing conditions (T) and washing temperature (H), which are initial washing conditions for boiled washing, are initially set in the same manner as in the conventional method, and this setting standard is supplied with a medium amount of laundry and a medium amount of wash water. It is set based on the state (S103).

이어, 상기 제어부(50)는 모터구동부(55)와 히터구동부(56)를 각각 제어하여 모터(13)와 히터(14)를 구동시킴으로써 초기 세탁조건에 따라 삶은세탁을 수행하게 된다(S104).Subsequently, the controller 50 controls the motor driving unit 55 and the heater driving unit 56 to drive the motor 13 and the heater 14 to perform the boiled washing according to the initial washing condition (S104).

이와 같이, 삶은세탁을 수행하는 도중에 온도센서(21)를 통하여 세탁수의 온도를 감지하고 그에 따른 수온감지신호를 수온감지부(53)가 제어부(50)로 출력한다상기 제어부(50)는 감지된 수온(WT)이 사전 설정된 제1기준온도(A) 보다 높은지를 판단하는데, 여기서 제1기준온도(A)는 초기 세탁조건에서의 설정온도(60℃) 보다높게 설정하되, 바람직하게는 90∼95℃로 설정한다(S105).As described above, the temperature of the washing water is sensed through the temperature sensor 21 while the boiled washing is performed, and the water temperature detection signal 53 is outputted to the controller 50 by the water temperature detection signal. It is determined whether the water temperature W T is higher than the preset first reference temperature A, wherein the first reference temperature A is set higher than the set temperature (60 ° C.) in the initial washing condition. It sets to 90-95 degreeC (S105).

단계 S105의 판단결과 수온(WT)이 사전 설정된 제1기준온도(A) 보다 높지 않은 경우에는 초기 세탁조건에 따라 삶은세탁을 계속 수행하며, 판단 결과 수온(WT)이 사전 설정된 제1기준온도(A) 보다 높으면 히터구동부(56)를 제어하여 히터(14)의 구동을 정지시켜 세탁수의 가열을 정지한다(S106).If the determination result of step S105 is that the water temperature W T is not higher than the preset first reference temperature A, the boiled washing is continued according to the initial washing condition, and the determination result shows that the water temperature W T is the first reference preset value. When the temperature is higher than A, the heater driving unit 56 is controlled to stop driving of the heater 14 to stop heating of the washing water (S106).

이어, 상기 제어부(50)는 세탁수의 온도를 제1기준온도(A)로 높아질 때 까지 히터(14)을 구동시킨 히터 구동시간(T1)을 카운트하고, 그 카운트된 히터 구동시간(T1)이 사전 설정된 제1기준시간(Ta) 보다 작은지를 판단하며(S107), 그 판단결과 히터 구동시간(T1)이 제1기준시간(Ta) 보다 작지 않은 경우 즉, 히터 구동시간(T1)이 제1기준시간(Ta) 보다 장시간인 경우(비교적 장시간인 경우) 투입된 세탁물의 양이 많고 그 세탁물에 대응하여 적당량의 세탁수가 급수된 상태에 의하여 히터 구동시간이 길어진 것으로 판단한다. 이에 따라 상기 제어부(50)는 세탁수의 양은 정상이고 세탁물의 양은 많은 경우에 알맞도록 세탁시간과 세탁온도를 재설정하는데, 세탁시간은 단계 S103에서 초기 설정된 세탁시간(T) 보다 길게 시간(T1)으로 재설정하고 세탁온도도 단계 S103에서 초기 설정된 세탁온도(H) 보다 높은 온도(H1)로 재설정한다(S107a).Subsequently, the controller 50 counts the heater driving time T1 for driving the heater 14 until the temperature of the washing water is increased to the first reference temperature A, and the counted heater driving time T1. It is determined whether the first reference time Ta is smaller than the predetermined reference time Ta (S107), and as a result of the determination, when the heater driving time T1 is not smaller than the first reference time Ta, that is, the heater driving time T1 is set to the first reference time Ta. It is determined that the heater driving time is long due to a large amount of laundry to be put in case of being longer than one reference time Ta (comparatively for a long time) and a suitable amount of washing water supplied to the laundry. Accordingly, the control unit 50 resets the washing time and the washing temperature so that the amount of washing water is normal and the amount of the washing water is large, and the washing time is longer than the washing time T initially set in step S103. The washing temperature is reset to a temperature H1 higher than the washing temperature H initially set in step S103 (S107a).

단계 S107의 판단결과 히터 구동시간(T1)이 제1기준시간(Ta) 보다 작은 경우에는 히터(14)의 구동이 정지된 상태에서 대기하면서 또 다른 세탁물의 상태를 식별하기 위해 감지한 수온(WT)이 제1기준온도 보다 낮게 설정된 제2기준온도(B)로 떨어졌는지를 판단하고(S108), 그 판단결과 수온(WT)이 제2기준온도(B)로 떨어지지 않은 경우에는 계속 대기하며, 판단결과 수온(WT)이 제2기준온도(B)로 떨어진 경우에는 수온(WT)이 제1기준온도(A)에서 제2기준온도(B)로 떨어질 때까지의 걸린 히터 정지시간(T2)을 카운트하고, 그 카운트된 히터 정지시간(T2)이 제2기준시간(Tb) 보다 작은지를 판단하며(S109), 그 판단결과 히터 정지시간(T2)이 제2기준시간(Tb) 보다 작은 경우 즉, 수온(WT)이 제1기준온도(A)에서 제2기준온도(B)로 떨어지는데 시간이 비교적 짧게 걸린 경우에는 투입된 세탁물의 양이 적고 그 세탁물에 대응하여 적당량 혹은 적은 세탁수가 급수되어 히터 오프시간이 짧아진 것으로 판단하고, 이에 맞도록 세탁시간과 세탁온도를 재설정하는데, 세탁시간은 단계 S103에서 초기 설정된 세탁시간(T) 보다 단축된 시간(T2)으로 재설정하고 세탁온도도 단계 S103에서 초기 설정된 세탁온도(H) 보다 낮은 온도(H2)로 재설정한다(S109a).When the heater driving time T1 is smaller than the first reference time Ta as a result of the determination in step S107, the water temperature W detected to identify another laundry state while waiting in a state where the driving of the heater 14 is stopped. It is determined whether T ) has fallen to the second reference temperature (B) which is set lower than the first reference temperature (S108), and as a result of the determination, if the water temperature (W T ) does not fall to the second reference temperature (B), it continues to wait. , it determined that the water temperature (W T) of the second case away from the reference temperature (B), the water temperature (W T) heater stop time taken until the drops to the first reference temperature (a) a second reference temperature (B) in T2 is counted, and it is determined whether the counted heater stop time T2 is smaller than the second reference time Tb (S109), and as a result, the heater stop time T2 is determined as the second reference time Tb. If smaller, that is, if the water temperature W T takes a relatively short time from the first reference temperature A to the second reference temperature B, It is determined that the amount of laundry is small and the washing time is shortened by supplying an appropriate amount or a small amount of washing water corresponding to the laundry, and the washing time and the washing temperature are reset accordingly, and the washing time is the washing time initially set in step S103. It resets to the time T2 shortened rather than (T) and wash temperature is also reset to temperature H2 lower than the washing temperature H initially set by step S103 (S109a).

단계 S109의 판단결과 히터 정지시간(T2)이 제2기준시간(Tb) 보다 작지 않은 경우 즉, 수온(WT)이 제1기준온도(A)에서 제2기준온도(B)로 떨어지는데 걸린 시간이 비교적 오래 걸린 경우에는 투입된 세탁물의 양이 많으나 특정 요인(급수장치의 이상 재질의 특성상 수분 흡수율이 크거나 하는 등)으로 인하여 그 세탁물에 양에 비하여 적은 세탁수량이 급수된 것으로 판단한다. 따라서, 이에 알맞도록 세탁시간과 세탁온도를 재설정하는데, 세탁시간과 세탁온도 중 적어도 어느 하나 즉, 단계 S103에서 초기 설정된 세탁시간(T) 보다 길게 세탁시간(T3)을 재설정하거나 혹은,초기 설정된 세탁온도(H) 보다 높게 세탁온도(H3)를 재설정한다(S109b). 여기서, 세탁시간(T3)은 단계 S107a에서 재설정된 시간(T1) 보다 작거나 같고 단계 S109a에서 재설정된 시간(T2) 보다 크게 설정하고, 세탁온도(H3)는 단계 S107a에서 재설정된 온도(H1) 보다 작거나 같고 단계 S109a에서 재설정된 온도(H2) 보다 크게 설정하는 것이 바람직하다.As a result of the determination in step S109, when the heater stop time T2 is not smaller than the second reference time Tb, that is, the time taken for the water temperature W T to fall from the first reference temperature A to the second reference temperature B; In the case of a relatively long period of time, the amount of laundry put in is large, but due to a certain factor (such as water absorption rate is large due to the nature of the abnormal material of the water supply device), it is determined that the amount of washing water is smaller than that of the laundry. Accordingly, the washing time and the washing temperature are reset accordingly, and at least one of the washing time and the washing temperature, that is, the washing time T3 is reset longer than the washing time T initially set in step S103, or the washing is set initially. The washing temperature H3 is reset higher than the temperature H (S109b). Here, the washing time T3 is set smaller than or equal to the time T1 reset in step S107a and larger than the time T2 reset in step S109a, and the washing temperature H3 is the temperature H1 reset in step S107a. It is preferable to set smaller than or equal to and larger than the temperature H2 reset in step S109a.

전술한 단계들(S107a)(S109a)(S109b)에 의하여 세탁시간과 세탁온도에 대한 세탁조건을 재설정한 경우, 이후부터는 재설정된 세탁조건에 따라 삶은세탁을 수행하게 된다. 즉, 상기 제어부(50)는 재설정된 세탁조건에 따라 모터(13)와 히터(14)를 구동하여 삶은세탁을 수행하며(S110), 이러한 삶은세탁을 수행하는 도중에 온도센서(21)를 통하여 검출한 세탁수의 온도가 재설정된 세탁온도 이상인지를 판단하고(S111), 그 판단결과 검출한 세탁수의 온도가 재설정된 세탁온도 이상이 아닐 경우 계속 회전조(12)를 회전시키면서 세탁수를 가열하는 한편, 그 판단결과 설정된 세탁온도 이상일 경우 히터(14)의 구동을 정지시켜 세탁수의 가열을 중지한다(S112). 이후, 세탁수의 가열이 중지된 상태에서 세탁을 수행하되, 재설정된 세탁시간에 도달하면 모터(13)의구동을 정지하여 삶은세탁을 종료한다(S113).When the washing conditions for the washing time and the washing temperature are reset by the above-described steps S107a, S109a, and S109b, afterwards, the boiled washing is performed according to the reset washing conditions. That is, the controller 50 performs the boiled laundry by driving the motor 13 and the heater 14 according to the reset washing condition (S110), and detects through the temperature sensor 21 while performing the boiled laundry. It is determined whether the temperature of one wash water is equal to or higher than the reset washing temperature (S111). If the temperature of the detected wash water is not higher than the reset washing temperature, the washing water is heated while continuing to rotate the rotating tub 12. On the other hand, when the determination result is more than the set washing temperature, the driving of the heater 14 is stopped to stop the heating of the washing water (S112). Thereafter, washing is performed while heating of the washing water is stopped, and when the reset washing time is reached, the driving of the motor 13 is stopped to end the boiled washing (S113).

이상과 같은 본 발명은 삶은세탁을 수행하는 도중 투입된 세탁물과 세탁수의 양에 따라 세탁시간과 세탁온도를 재설정하고, 재설정된 세탁조건에 따라 삶은세탁을 수행하게 된다. 따라서, 본 발명은 초기에 세탁조건이 불합리하게 설정되더라도 실제 투입된 세탁물과 세탁수량을 반영하여 알맞게 재설정된 세탁조건에 따라남은 삶은세탁을 수행할 수 있으므로 보다 월등한 세탁효과를 얻을 수 있다.As described above, the present invention resets the washing time and the washing temperature according to the amount of laundry and washing water introduced during the boiled washing, and performs the boiled washing according to the reset washing conditions. Therefore, the present invention can achieve a superior washing effect because even if the washing conditions are initially set irrationally, the boiled laundry remaining according to the laundry conditions suitably reset may be performed to reflect the actual laundry and the amount of washing.

Claims (4)

주어진 세탁조건에 따라 모터 및 히터를 구동하여 삶은세탁을 수행하는 드럼세탁기에 있어서,In a drum washing machine which performs a boiled washing by driving a motor and a heater according to a given washing condition, 초기에 세탁시간과 세탁온도를 설정하는 초기설정단계;An initial setting step of initially setting a washing time and a washing temperature; 설정된 세탁시간과 세탁온도에 따라 삶은세탁을 수행하는 도중에 세탁수의 온도를 검출하는 검출단계;A detection step of detecting a temperature of the washing water while performing the boiled washing according to the set washing time and washing temperature; 삶은세탁을 시작한 후 세탁수의 온도가 제1기준온도로 높아지도록 구동되는 히터의 구동시간이 제1기준시간 이상인지를 판단하는 단계; 및Determining whether the driving time of the heater driven to increase the temperature of the washing water to the first reference temperature after the start of the boiled washing is greater than or equal to the first reference time; And 상기 단계의 판단결과 히터 구동시간이 제1기준시간 이상이면 초기 설정된 세탁시간과 세탁온도를 재설정하는 단계를 포함하는 것을 특징으로 하는 드럼세탁기의 세탁 제어방법.And if the heater driving time is greater than or equal to the first reference time, determining the initial washing time and washing temperature. 제 1항에 있어서, 상기 재설정단계는The method of claim 1, wherein the resetting step 초기 세탁시간을 길게하고 초기 세탁온도를 높게 설정하는 것을 특징으로 하는 드럼세탁기의 세탁 제어방법.Washing control method for a drum washing machine, characterized in that the initial washing time is set to be long and the initial washing temperature is set high. 제 1항에 있어서,The method of claim 1, 상기 히터 구동시간이 제1기준시간 보다 작으면 히터구동이 정지된 상태에서 세탁수의 온도가 제1기준온도에서 떨어져 제2기준온도에 도달하는 히터의 정지시간이 제2기준시간이상인지를 판단하는 단계와, 상기 단계의 판단결과 히터 정지시간이 제2기준시간 보다 작으면 초기 세탁시간을 짧게 하고 초기 세탁온도를 낮게 설정하는 단계를 더 포함하는 것을 특징으로 하는 드럼세탁기의 세탁 제어방법.If the heater driving time is less than the first reference time, it is determined whether the stop time of the heater in which the temperature of the washing water drops from the first reference temperature and reaches the second reference temperature is greater than or equal to the second reference time when the heater driving is stopped. And setting the initial washing temperature to a lower initial washing time if the heater stop time is smaller than the second reference time, as a result of the determination of the step. 제 3항에 있어서,The method of claim 3, wherein 상기 단계의 판단결과 히터 정지시간이 제2기준시간이상이면 초기 세탁시간을 길게 재설정하거나 혹은 초기 세탁온도를 높게 설정하는 것을 특징으로 하는 드럼세탁기의 세탁 제어방법.If the heater stop time is greater than or equal to the second reference time, the initial washing time is reset or the initial washing temperature is set high.
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