KR20000009331A - Washing machine and control method thereof - Google Patents

Washing machine and control method thereof Download PDF

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Publication number
KR20000009331A
KR20000009331A KR1019980029661A KR19980029661A KR20000009331A KR 20000009331 A KR20000009331 A KR 20000009331A KR 1019980029661 A KR1019980029661 A KR 1019980029661A KR 19980029661 A KR19980029661 A KR 19980029661A KR 20000009331 A KR20000009331 A KR 20000009331A
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KR
South Korea
Prior art keywords
washing
water
water level
washing machine
washing tank
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KR1019980029661A
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Korean (ko)
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KR100277594B1 (en
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정태영
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윤종용
삼성전자 주식회사
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Priority to KR1019980029661A priority Critical patent/KR100277594B1/en
Publication of KR20000009331A publication Critical patent/KR20000009331A/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
    • D06F39/087—Water level measuring or regulating devices
    • 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
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • 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
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical 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 
    • D06F39/08—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
    • D06F39/088—Liquid supply arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

PURPOSE: A washing machine and its control method are provided to prevent overflowing water inside a washing tub, to stop a washing process at the same time, and to inform it to a user when continuously supplying water by the defect of a water supply valve during a washing operation. CONSTITUTION: The control method of the washing machine contains: a water supply step to supply the washing water into a washing tub; a step to detect the water level inside the washing tub; a step to drain by opening a drainage valve when the detected water level is over the higher strange water level than the certain established water level; a step to repeat the water level detecting step and the drainage step; a step to stop a washing process and to continuously drain when the repeating step is over the certain numbers. The drainage step is able to drain to the certain established water level, stops the washing process, and generates an alarm at the same time.

Description

세탁기 및 그 제어방법Washing machine and control method

본 발명은 세탁기 및 그 제어방법에 관한 것으로서, 특히 급수밸브 불량 등으로 인해 연속급수되는 경우 세탁조내의 물이 넘치는 것을 방지하는 세탁기 및 그 제어방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine and a control method thereof, and more particularly, to a washing machine and a method of controlling the same, which prevents the water in the washing tank from overflowing when continuous water is supplied due to a bad water valve.

도 1은 종래 세탁기의 종단면도이다. 도면에서 볼 수 있는 바와 같이, 본 세탁기는 사각통형상을 갖는 외부케이싱(3)과 외부케이싱(3)의 상부에 결합되는 상부커버를 가진다. 상부커버(11)에는 세탁물의 출납이 가능하도록 도어(15)가 설치되어 있으며, 도어는 절첩개폐되도록 형성되어 있다. 외부케이싱(3)내에는 원통형상의 아웃터브(4)가 복수의 서스펜션(6)을 매개로 외부케이싱(3)에 현수지지되어 있으며, 아웃터브(4)내에는 원통형상의 세탁조(5)가 설치되어 있다. 이 세탁조(5)의 저면과 내벽면에는 세탁 후 탈수를 위하여 다수의 탈수공이 형성되어 있다.1 is a longitudinal sectional view of a conventional washing machine. As can be seen in the figure, the washing machine has an outer casing 3 having a rectangular cylindrical shape and an upper cover coupled to the upper portion of the outer casing 3. The upper cover 11 is provided with a door 15 to allow the entry and exit of the laundry, the door is formed to be opened and closed. In the outer casing 3, a cylindrical outer tub 4 is suspended from the outer casing 3 via a plurality of suspensions 6, and a cylindrical washing tub 5 is installed in the outer tub 4. It is. A plurality of dewatering holes are formed on the bottom and inner wall surfaces of the washing tub 5 for dewatering after washing.

세탁조(5)의 저면에는 정역구동하며 다양한 수류를 발생시키는 펄세이터(7)가 설치되어 있다. 아웃터브(4)의 하측에는 세탁구동력을 발생시키는 구동모터(8)와 구동모터(8)의 구동력을 세탁조(4)와 펄세이터(7)에 전달하는 샤프트조립체(9)가 설치되어 있다. 구동모터의 구동력을 전달받은 샤프트조립체(9)는 세탁조(4)와 펄세이터(7)를 선택적으로 회전구동시켜 세탁물의 세탁 및 탈수를 수행하게 된다.At the bottom of the washing tank 5, a pulsator 7 is installed, which is driven forward and backward and generates various water flows. The lower side of the outer tub 4 is provided with a drive motor 8 for generating washing driving force and a shaft assembly 9 for transmitting the driving force of the drive motor 8 to the washing tub 4 and the pulsator 7. The shaft assembly 9 receiving the driving force of the driving motor selectively drives the washing tank 4 and the pulsator 7 to perform washing and dehydration of the laundry.

한편, 상부커버(11)의 전방측 상면에는 세탁기(1)의 세탁과정을 제어하도록 조작패널(21)이 설치되어 있다. 조작패널(21)은 상부커버(11)의 판면으로부터 함몰된 수용부내에 수용되는 기판프레임(23)과, 수용부(17)의 전면을 차단하며 기기조작용 누름버튼(27) 및 기기의 작동상태를 표시하는 표시창을 가지는 표시부(25)로 구성되어 있다. 누름버튼(27)들은 각기 세탁수위 및 세탁시간, 세탁코스 등을 선택할 수 있도록 마련되어 있다.On the other hand, the operation panel 21 is installed on the front upper surface of the upper cover 11 to control the washing process of the washing machine (1). The operation panel 21 blocks the front surface of the substrate frame 23 accommodated in the receiving portion recessed from the plate surface of the upper cover 11, the receiving portion 17, and operates the device operation push button 27 and the device. It is comprised by the display part 25 which has a display window which displays the state. Push buttons 27 are provided to select the washing level, washing time, washing course, etc., respectively.

도 3은 종래의 세탁기 제어방법은 다음과 같다. 전원이 인가되고 세탁과정이 시작되면, 세탁조내에 소정의 설정된 수위까지 급수가 진행되고, 수위감지센서를 통해 세탁조내의 수위를 감지하여, 설정된 수위가 감지되면 세탁동작이 시작된다. 그러나, 감지된수위가 설정수위보다 높은 이상수위를 초과하는 경우, 설정된 수위까지 배수시키고 난 후에 세탁과정이 진행되게 된다.3 is a conventional washing machine control method as follows. When the power is applied and the washing process starts, the water supply proceeds to the predetermined level in the washing tank, and the washing operation is started when the level is detected by detecting the water level in the washing tank through the water level sensor. However, if the detected water level exceeds the abnormal water level higher than the set water level, the washing process proceeds after draining to the set water level.

그러나, 종래의 세탁기 제어방법에서는, 수위를 감지하여, 감지된 수위가 소정의 설정수위보다 높은 이상수위를 초과하는 경우 설정수위까지 배수하는 단계가, 통상 세탁시작 후 수분의 간격을 두고 2-3회 수행됨에 불과하여, 급수밸브 불량 등으로 인해 세탁수가 연속급수될 경우에는 세탁조내의 물이 넘칠 수 있으며, 세탁기가 설치된 주변이 물에 젖게 되는 등의 문제를 야기시킨다. 또한 탈수시에도 세탁조내의 물이 완전히 배수되지 않아 과부하가 걸리게 되고 탈수가 제대로 되지 않으며, 탈수행정시의 배수속도와 상기 연속급수속도가 일치할 경우에는 세탁조내의 물이 배수되지 못하므로, 탈수행정에러가 발생하여 경고음이 송출되고 세탁이 중단되게 된다.However, in the conventional washing machine control method, detecting the water level, and if the detected water level exceeds the water level higher than the predetermined water level, the step of draining to the water level is set at intervals of several minutes after the start of washing. Since it is only performed once, when the wash water is continuously supplied due to a poor water supply valve, water in the washing tank may overflow, causing a problem such that the surroundings of the washing machine are wetted with water. In addition, even when dewatering, the water in the washing tank is not completely drained, which leads to overloading and dehydration. The water in the washing tank is not drained if the draining speed at the dehydration stroke and the continuous water supply rate are the same. Will be issued and a warning sound will be sent out and washing will be stopped.

따라서 본 발명의 목적은, 세탁동작 진행중 급수밸브의 고장 등으로 인해 연속급수되는 경우, 세탁조내의 물이 넘치는 것을 방지함과 동시에 세탁과정을 중단시키고 이를 사용자에게 알리는 세탁기 및 그 제어방법을 제공하는 것이다.Accordingly, an object of the present invention is to provide a washing machine and a method of controlling the same, preventing water from overflowing in the washing tank and stopping the washing process and informing the user when continuous water is supplied due to a failure of the water supply valve during washing operation. .

도 1은 종래 세탁기의 종단면도,1 is a longitudinal sectional view of a conventional washing machine,

도 2는 본 발명에 따른 세탁기의 제어블럭도,2 is a control block diagram of a washing machine according to the present invention;

도 3은 본 발명에 따른 세탁기의 제어흐름도이다.3 is a control flowchart of a washing machine according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

3 : 외부게이싱 4 : 아웃터브3: external gating 4: out tub

6 : 서스펜션 7 : 펄세이터6: suspension 7: pulsator

8 : 구동모터 9 : 샤프트조립체8: drive motor 9: shaft assembly

21 : 조작패널 33 : 수위감지센서21: operation panel 33: water level sensor

41 : 제어부 45 : 급수밸브41: control unit 45: water supply valve

47 : 배수밸브 25 : 표시부47: drain valve 25: indicator

상기 목적은, 본 발명에 따라, 세탁물을 수용하는 세탁조와 상기 세탁조내로의 급수를 단속하는 급수밸브와, 상기 세탁조내로부터의 배수를 단속하는 배수밸브를 포함하는 세탁기의 제어방법에 있어서, 상기 세탁조내에 세탁수를 공급하는 급수단계와; 상기 세탁조내의 수위를 감지하는 단계와; 상기 감지된 수위가 소정의 설정수위보다 높은 이상수위를 초과한 경우 상기 배수밸브를 열어 배수하는 단계와; 상기 수위감지단계와 상기 배수단계를 반복하는 단계와; 상기 반복단계가 소정 횟수를 초과하는 경우 세탁과정을 중지시키고 연속배수시키는 단계를 포함하는 것을 특징으로 하는 제어방법에 의하여 달성된다.According to the present invention, there is provided a control method of a washing machine including a washing tank accommodating laundry, a water supply valve for regulating water supply into the washing tank, and a drain valve for regulating drainage from the washing tank. A water supply step of supplying washing water into the washing machine; Sensing the level of water in the washing tank; Opening and draining the drain valve when the detected water level exceeds an abnormal level higher than a predetermined set level; Repeating the water level detecting step and the draining step; If the repetition step exceeds a predetermined number of times is achieved by a control method comprising the step of stopping the washing process and continuous draining.

여기서, 상기 배수단계는 상기 소정의 설정수위까지 배수되도록 할 수 있고 또한 상기 세탁과정 중지와 동시에 경보를 발생시키도록 할 수 있으며, 이 때, 상기 경보는 청각적 경보 및 시각적 경보 중 어느 하나로 할 수 있다.Here, the draining step may be drained to the predetermined set water level and may generate an alarm at the same time as the washing process stops, wherein the alarm may be any one of an audio alarm and a visual alarm. have.

한편, 본 발명의 다른 분야에 따르면, 상기 목적은, 세탁물을 수용하는 세탁조와 상기 세탁조내로의 급수를 단속하는 급수밸브와 상기 세탁조내로부터의 배수를 단속하는 배수밸브를 포함하는 세탁기에 있어서, 상기 세탁조내의 수위를 감지하는 수위감지센서와; 감지된 수위가 소정의 설정수위보다 높은 이상수위인 경우 상기 배수밸브를 열어 소정의 설정수위까지 배수하도록하며, 상기 배수단계가 소정 횟수를 초과하는 경우 세탁과정을 중지시키고 상기 배수밸브를 개방하여 연속배수되도록 제어하는 제어부를 포함하는 것을 특징으로 하는 세탁기에 의하여 달성될 수도 있다. 여기서, 상기 제어부의 제어에 따라 상기 세탁과정을 중지시키고 경보를 발생하는 표시부를 더 포함할 수 있고, 상기표시부는 청각적 경보 및 시각적 경보 중 어느 하나일 수 있다.On the other hand, according to another field of the present invention, the object is a washing tank including a washing tank for accommodating laundry, a water supply valve for regulating the water supply into the washing tank and a drain valve for regulating the drainage from the washing tank, A water level sensor for sensing the water level in the washing tank; If the detected water level is higher than the predetermined water level, open the drain valve to drain it to the predetermined water level.If the water draining step exceeds the predetermined number of times, stop the washing process and open the water drain valve to continue. It may be achieved by a washing machine comprising a control unit for controlling to drain. The display unit may further include a display unit for stopping the washing process and generating an alarm under the control of the controller, and the display unit may be any one of an audio alarm and a visual alarm.

이하, 도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the drawings.

본 발명에 따른 세탁기는 도 1의 종래의 세탁기와 실질적으로 동일한 구조를 가지므로 반복된 설명은 생략한다.Since the washing machine according to the present invention has a structure substantially the same as that of the conventional washing machine of FIG. 1, repeated descriptions thereof will be omitted.

도 2는 본 발명에 따른 세탁기의 제어블록도이다. 본 발명에 따른 세탁기는, 사용자가 수위설정을 할 수 있는 수위설정조작부(21), 세탁조내의 수위를 감지하는 수위감지센서부(33), 세탁조내로의 급수를 단속하는 급수밸브(45), 세탁조내로부터의 배수를 단속하는 배수밸브(47), 세탁조와 펄세이터의 세탁구동력을 발생시키는 구동모터(8), 그리고 소정의 세탁정보를 제공하는 표시부(25) 및 조작부(21)와 수위감지센서(33)로부터의 신호에 기초하여 급수밸브(45)와 배수밸브(47) 및 구동모터(8)를 제어하는 제어부(41)를 포함한다.2 is a control block diagram of a washing machine according to the present invention. Washing machine according to the present invention, the user can set the water level, the water level setting operation unit 21, the water level sensor unit 33 for detecting the water level in the washing tank, the water supply valve 45 to control the water supply into the washing tank, the washing tank A drain valve 47 for regulating the drainage from the inside, a drive motor 8 for generating the driving force of the washing tank and the pulsator, a display unit 25 for providing predetermined washing information, an operation unit 21, and a water level sensor And a controller 41 for controlling the water supply valve 45, the drain valve 47, and the drive motor 8 based on the signal from (33).

도 3은 이러한 제어부(41)에 관한 제어과정을 나타낸 제어흐름도이다.3 is a control flowchart illustrating a control process of the control unit 41.

세탁과정이 개시되면, 제어부(41)는 먼저 반복횟수(R)를 제로로 리셋시키고(S1), 급수밸브(45)를 개방하여 세탁조에 급수한다(S2). 급수에 의해 세탁조내에 공급된 세탁수의 수위를 수위감지센서(33)가 감지하여(S3) 제어부(41)에 제공하고, 제어부는 그 감지된 신호에 기초하여 설정수위에 도달한 것으로 판단되면(S4) 구동모터(8)를 제어하여 세탁조를 회전시키고, 이에 의해 세탁물의 세탁이 진행된다(S5). 소정의 알고리즘에 따라, 제어부(41)는 수위감지센서(33)에게 수위감지명령을 보내고, 이에 따라 수위감지센서(33)는 세탁조내의 수위를 감지하고(S6), 이에의해 설정수위보다 높은 이상수위가 감지되면(S7), 상기 반복횟수(R)를 1 증가시키고(S8), 배수밸브(47)를 개방하여 설정수위까지 배수시킨다(S9). 이어 반복수행횟수(R)가 소정횟수(X)이상인지 여부를 첵크하여(S10), 소정횟수를 초과하지 않는 경우에는 세탁동작을 계속 진행시키나, 초과한 경우에는 세탁동작을 중단시키고(S11) 경고음을 송출하거나 램프를 깜박이는 등의 청각적경보 또는 시각적경보를 표시부(25)에 표시하며(S12), 이어 배수밸브(47)를 열어 연속배수시킨다(S13).When the washing process is started, the controller 41 first resets the repetition number R to zero (S1), opens the water supply valve 45, and supplies water to the washing tank (S2). When the water level sensor 33 detects the water level of the wash water supplied into the washing tank by water supply (S3) and provides it to the control unit 41, and the control unit determines that the set water level is reached based on the detected signal ( S4) The driving motor 8 is controlled to rotate the washing tank, whereby washing of laundry proceeds (S5). According to a predetermined algorithm, the control unit 41 sends a water level detection command to the water level sensor 33, accordingly, the water level sensor 33 detects the water level in the washing tank (S6), thereby an abnormality higher than the set water level When the water level is detected (S7), the repetition frequency (R) is increased by 1 (S8), and the drain valve 47 is opened to drain to the set water level (S9). Then check whether the number of repetitions (R) is greater than or equal to the predetermined number of times (X) (S10), if not exceeding the predetermined number of times to continue the washing operation, if it exceeds, stop the washing operation (S11). An audible alarm or visual alarm such as sending out a warning sound or flashing a lamp is displayed on the display unit 25 (S12), and then the drain valve 47 is opened to continuously drain (S13).

이에 의해, 세탁기의 배수밸브 등의 고장으로 인해 세탁조내로 세탁수가 연속급수되는 경우, 세탁조 밖으로 물이 넘치는 것을 방지할 수 있다.Thereby, when the wash water is continuously supplied into the washing tank due to a failure of the drain valve of the washing machine, it is possible to prevent the water from overflowing out of the washing tank.

이상 설명한 바와 같이, 본 발명에 따르면, 급수밸브의 고장 등으로 인해 연속급수되는 경우, 세탁과정을 중단시키고 세탁조 내의 물을 연속배수시킴으로서 물이 넘치는 것을 방지할 수 있고, 경보를 발생하게 하여 이를 사용자에게 알릴 수 있어, 사용자는 세탁기의 전원을 차단시키고 고장을 수리하는 등의 조치를 강구할 수 있게 된다.As described above, according to the present invention, in the case of continuous water supply due to a breakdown of the water supply valve, the washing process is interrupted and the water in the washing tank can be drained continuously to prevent the water from overflowing, and to generate an alarm so that the user In this case, the user can take measures such as shutting down the washing machine and repairing a malfunction.

Claims (7)

세탁물을 수용하는 세탁조와 상기 세탁조내로의 급수를 단속하는 급수밸브와, 상기 세탁조내로부터의 배수를 단속하는 배수밸브를 포함하는 세탁기의 제어방법에 있어서,In the control method of the washing machine comprising a washing tank for accommodating laundry, a water supply valve for regulating the water supply into the washing tank, and a drain valve for regulating the drainage from the washing tank. 상기 세탁조내에 세탁수를 공급하는 급수단계와;A water supply step of supplying the washing water into the washing tank; 상기 세탁조내의 수위를 감지하는 단계와;Sensing the level of water in the washing tank; 상기 감지된 수위가 소정의 설정수위보다 높은 이상수위를 초과한 경우 상기 배수밸브를 열어 배수하는 단계와;Opening and draining the drain valve when the detected water level exceeds an abnormal level higher than a predetermined set level; 상기 수위감지단계와 상기 배수단계를 반복하는 단계와;Repeating the water level detecting step and the draining step; 상기 반복단계가 소정 횟수를 초과하는 경우 세탁과정을 중지시키고 연속배수시키는 단계를 포함하는 것을 특징으로 하는 세탁기 제어방법.Washing machine control method comprising the step of stopping the washing process and the continuous draining if the repeating step exceeds a predetermined number of times. 제 1 항에 있어서,The method of claim 1, 상기 배수단계는 상기 설정수위까지 배수하는 것을 특징으로 하는 세탁기 제어방법.The drainage step is a washing machine control method characterized in that to drain to the set water level. 제 1 항에 있어서,The method of claim 1, 상기 세탁과정 중지와 동시에 경보를 발생시키는 것을 특징으로 하는 세탁기 제어방법.Washing machine control method characterized in that for generating an alarm at the same time as the washing process stops. 제 3 항에 있어서,The method of claim 3, wherein 상기 경보는 청각적 경보 및 시각적 경보 중 어느 하나인 것을 특징으로 하는 세탁기 제어방법.The alarm is a washing machine control method, characterized in that any one of an audio alarm and a visual alarm. 세탁물을 수용하는 세탁조와, 상기 세탁조내로의 급수를 단속하는 급수밸브와, 상기 세탁조내로부터의 배수를 단속하는 배수밸브를 포함하는 세탁기에 있어서,A washing machine including a washing tank accommodating laundry, a water supply valve for regulating water supply into the washing tank, and a drain valve for regulating drainage from the washing tank, 상기 세탁조내의 수위를 감지하는 수위감지센서와,A water level sensor for detecting the water level in the washing tank; 감지된 수위가 소정의 설정수위보다 높은 이상수위인 경우 상기 배수밸브를 열어 소정의 설정수위까지 배수하도록하며, 상기 배수단계가 소정 횟수를 초과하는 경우 세탁과정을 중지시키고 상기 배수밸브를 개방하여 연속배수되도록 하는 제어부를 포함하는 것을 특징으로 하는 세탁기.If the detected water level is higher than the predetermined water level, open the drain valve to drain it to the predetermined water level.If the water draining step exceeds the predetermined number of times, stop the washing process and open the water drain valve to continue. Washing machine comprising a control unit to be drained. 제 5 항에 있어서,The method of claim 5, 상기 제어부의 제어에 따라 상기 세탁과정을 중지시키고 경보를 발생하는 표시부를 더 포함하는 것을 특징으로 하는 세탁기.Washing machine further comprises a display unit for stopping the washing process and generating an alarm under the control of the controller. 제 6 항에 있어서,The method of claim 6, 상기 표시부는 청각적 경보 및 시각적 경보 중 어느 하나를 발생하는 것을 특징으로 하는 세탁기.The display unit washing machine, characterized in that for generating any one of an audio alarm and a visual alarm.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112575518A (en) * 2019-09-12 2021-03-30 青岛海尔洗衣机有限公司 Drainage control method for washing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112575518A (en) * 2019-09-12 2021-03-30 青岛海尔洗衣机有限公司 Drainage control method for washing equipment

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