KR100719842B1 - The rotary drain control method of a tilting drum type washer - Google Patents

The rotary drain control method of a tilting drum type washer Download PDF

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KR100719842B1
KR100719842B1 KR1020000040647A KR20000040647A KR100719842B1 KR 100719842 B1 KR100719842 B1 KR 100719842B1 KR 1020000040647 A KR1020000040647 A KR 1020000040647A KR 20000040647 A KR20000040647 A KR 20000040647A KR 100719842 B1 KR100719842 B1 KR 100719842B1
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South Korea
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washing
drainage
washing tank
washing machine
control method
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KR1020000040647A
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Korean (ko)
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KR20020007000A (en
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최성봉
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엘지전자 주식회사
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an 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 
    • D06F39/08—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
    • D06F39/087—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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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

Abstract

본 발명은 기울어진 세탁기의 배수 및 탈수 제어 방법에 관한 것으로서, 세탁 및 헹굼 작동이 완료된 다음, 구동 모터를 작동시켜 세탁조를 회전시키면서 세탁수를 배수하는 회전배수과정에서, 세탁조 내의 수위가 낮아짐에 따라 구동 모터의 부하량도 점차 작아지도록 제어함으로써 세탁 수위가 낮아짐에 따라 구동 모터의 입력 전압을 줄여 구동 에너지를 절약할 수 있도록 한 기울어진 세탁기의 회전 배수 제어 방법을 제공하는 데 있다.
The present invention relates to a method for controlling drainage and dehydration of an inclined washing machine. After the washing and rinsing operation is completed, the washing machine drains the washing water while operating the driving motor to rotate the washing tank. The present invention provides a method of controlling the rotational drainage of an inclined washing machine to reduce the input voltage of the driving motor to save driving energy as the level of washing is lowered by controlling the load of the driving motor to be gradually reduced.

세탁조, 구동 모터, 배수, 탈수, 배수 밸브Wash tub, drive motor, drain, dewater, drain valve

Description

기울어진 세탁기의 회전 배수 제어 방법{The rotary drain control method of a tilting drum type washer} The rotary drain control method of a tilting drum type washer}             

도 1은 기울어진 세탁기의 내부 구성도,1 is an internal configuration of a tilted washing machine,

도 2는 종래 기술에 의한 기울어진 세탁기의 배수 및 탈수 제어 방법이 도시된 순서도,2 is a flow chart illustrating a drainage and dehydration control method of a tilted washing machine according to the prior art;

도 3은 종래 기술에 의한 기울어진 세탁기의 작동 상태도,3 is an operating state diagram of a tilted washing machine according to the prior art,

도 4는 본 발명에 따른 기울어진 세탁기의 회전 배수 제어 방법이 도시된 순서도,4 is a flow chart illustrating a method of controlling the rotation drainage of the tilted washing machine according to the present invention;

도 5는 본 발명에 따른 기울어진 세탁기의 작동 상태도,5 is an operating state of the inclined washing machine according to the present invention,

도 6은 본 발명에 따른 일 실시예의 회전 배수 제어 방법이 도시된 그래프,6 is a graph illustrating a rotation drainage control method according to an embodiment of the present invention;

도 7은 본 발명에 따른 다른 실시예의 회전 배수 제어 방법이 도시된 그래프이다.7 is a graph illustrating a rotation drain control method of another embodiment according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

55 : 구동 모터 61 : 저수조 55: drive motor 61: reservoir

65 : 세탁조 70 : 배수 밸브 65: washing tank 70: drain valve

75 : 배수 호스75: drain hose

본 발명은 기울어진 세탁기의 배수 및 탈수 제어 방법에 관한 것으로서, 특히 세탁조가 회전되면서 세탁수를 배수함과 아울러 회전 배수 과정에서 세탁 수위가 낮아짐에 따라 구동 모터의 입력 전압도 줄이면서 배수가 이루어지도록 한 기울어진 세탁기의 회전 배수 제어 방법에 관한 것이다.The present invention relates to a method for controlling drainage and dehydration of an inclined washing machine. In particular, as the washing tank is rotated, the washing water is drained, and as the washing level is lowered in the rotating draining process, the drainage is made while reducing the input voltage of the driving motor. It relates to a rotational drainage control method of a tilted washing machine.

도 1은 기울어진 세탁기의 내부 구성도이다.1 is an internal configuration diagram of a tilted washing machine.

기울어진 세탁기는 저수조(11)와 세탁조(15)가 중력이 작용하는 방향에 대하여 일정 각도만큼 기울어지게 위치됨으로써 세탁조(15) 내에 복잡한 수류를 생성하여 세탁물의 세정력을 향상시킬 수 있고, 앞쪽을 상대적으로 낮게 구성함으로써 사용자가 세탁물을 넣고 빼는 작업이 용이해질 수 있도록 구성된 세탁기이다.The inclined washing machine may be positioned at an angle with respect to the direction in which gravity acts on the water storage tank 11 and the washing tank 15 to generate complex water flow in the washing tank 15 to improve washing power of the laundry, and the front side may be relatively The washing machine is configured so that the user can easily put in and take out the laundry.

이와 같이 기울어진 세탁기는 외곽을 형성하는 케이스(1)와, 상기 케이스(1) 내에 수직 방향에 대하여 일정 각도(θ)만큼 기울어지게 위치되어 내부에서 세탁물의 세정이 이루어지는 저수조(11) 및 세탁조(15)와, 상기 저수조(11)를 케이스(1) 내에 기울어진 상태로 지지하는 다수의 걸이 부재(20)로 구성된다.The washing machine inclined as described above is positioned in an inclined case 1 and an inclined angle (θ) with respect to the vertical direction in the case 1, and the washing tank 11 and the washing tank in which the washing of the laundry is performed therein. 15) and a plurality of hanger members 20 for supporting the reservoir 11 in an inclined state in the case 1.

상기 저수조(11)는 상기 걸이부재(20)를 통해 케이스(1) 내에 지지되어 내부에 세탁수가 저장되는 통이고, 상기 세탁조(15)는 상기 저수조(11)에 내장되어 세탁물이 세정되는 통으로 세탁수가 통과할 수 있도록 다수의 홀이 형성된다.The reservoir 11 is a tub that is supported in the case 1 through the hook member 20 to store the washing water therein, and the laundry tub 15 is embedded in the reservoir 11 to wash the laundry. Multiple holes are formed to allow water to pass through.

그리고 상기 저수조(11)의 하부에는 상기 세탁조(15) 또는 펄세이터(16)를 회전 구동하기 위한 구동 모터(30)가 설치되고, 세탁수 및 헹굼수를 케이스(1) 밖으로 배출할 수 있도록 배수 호스(40) 및 배수 밸브(45)가 구비된다.In addition, a lower portion of the reservoir 11 is provided with a drive motor 30 for rotationally driving the washing tank 15 or the pulsator 16, the drainage so that the washing water and rinsing water can be discharged out of the case 1 A hose 40 and a drain valve 45 are provided.

도 2와 도 3은 상기와 같은 기울어진 세탁기에서 종래 기술에 따른 배수 및 탈수 제어 방법이 도시된 순서도 및 개략적인 작동 상태도이다.2 and 3 are a flow chart and a schematic operational state diagram showing a drainage and dewatering control method according to the prior art in the inclined washing machine.

이와 같이 기울어진 세탁기는 상기 세탁조(15)에 세탁물 및 세제가 투입된 상태에서 세탁수가 공급되면 구동 모터(30)가 동작되어 상기 펄세이터(16) 또는 세탁조(15)가 회전되면서 세탁 운전이 실시된다.(도 3의 (a) 참조)When the washing machine is inclined as described above, when washing water is supplied in a state in which laundry and detergent are put into the washing tank 15, the driving motor 30 is operated to perform the washing operation while the pulsator 16 or the washing tank 15 is rotated. (See Fig. 3 (a).)

이와 같이 세탁 운전이 완료된 다음 일정시간이 경과되면 상기 구동 모터(30)가 동작을 멈추고, 상기 배수 밸브(45)가 개방되면서 상기 저수조(11) 내부의 물이 배수 호스(40)를 통하여 외부로 자연 배수된다.(도 3의 (b) 참조)In this manner, when a predetermined time elapses after the washing operation is completed, the driving motor 30 stops the operation, and the drain valve 45 is opened, and the water in the reservoir 11 is transferred to the outside through the drain hose 40. Natural drainage (see Figure 3 (b)).

상기와 같이 배수가 완료되면, 저수조(11) 내에 잔수가 완전히 배출되도록 일정 시간 대기 상태가 진행되고, 이때, 세탁조(15) 내부의 세탁물은 중력에 의해 상대적으로 낮은 앞쪽 바닥에 쏠려 있게 된다.(도 3의 (c) 참조)When the drainage is completed as described above, the standby state is performed for a predetermined time so that the remaining water is completely discharged into the reservoir 11, and at this time, the laundry inside the washing tank 15 is concentrated on the relatively low front floor by gravity. (C) of FIG. 3)

이와 같은 상태에서 구동 모터(30)가 다시 작동되면서 상기 세탁조(15)가 고속으로 회전되어 세탁물에 포함된 수분을 제거하기 위한 탈수 운전이 진행된다. In this state, as the driving motor 30 is operated again, the washing tank 15 is rotated at a high speed so that a dehydration operation for removing water contained in the laundry is performed.

이후, 세탁조(15)에 다시 물이 공급되어 일정높이까지 차 오르게 되면서 헹굼 운전이 실시되는데, 헹굼 운전은 탈수 운전과 함께 보통 2 ~ 3회에 걸쳐 이루어진다.Thereafter, the washing tank 15 is supplied with water again to rise up to a certain height while the rinsing operation is performed. The rinsing operation is usually performed two to three times together with the dehydration operation.

상기와 같이 헹굼 운전이 완료되면, 다시 마지막 배수 및 탈수 운전이 진행된 다음 세탁기의 작동이 끝나게 된다. When the rinsing operation is completed as described above, the last drain and dehydration operation is performed again, the operation of the washing machine is finished.                         

그러나, 상기와 같은 종래 기술의 기울어진 세탁기의 배수와 탈수 제어 방법은 배수가 완료되면 유체 밸런스(18) 내의 유체와 세탁조(15) 내의 세탁물이 중력에 의해 상대적으로 낮은 앞쪽에 편중된 언밸런스 상태에서 세탁조(15)가 고속으로 회전되면서 탈수 작동이 이루어지기 때문에 탈수 작동 작동시에 세탁조(15)는 물론 저수조(11)가 크게 요동하게 되어 정상적인 탈수 작동이 불가능해질 수 있는 문제점이 있다.However, the drainage and dehydration control method of the inclined washing machine according to the prior art as described above, in the unbalanced state in which the fluid in the fluid balance 18 and the laundry in the washing tank 15 are biased in a relatively low front by gravity when the drainage is completed. Since the washing tank 15 rotates at a high speed, the dehydration operation is performed, and thus, the washing tank 15 as well as the storage tank 11 are greatly shaken during the dehydration operation, so that the normal dewatering operation may be impossible.

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 탈수 작동전에 세탁조 내의 세탁물이 균일하게 분포되도록 배수 작동시에 세탁조가 회전되면서 배수가 이루어지도록 함과 아울러 배수에 의해 세탁 수위가 낮아짐에 따라 구동 모터의 입력 전압을 줄여 구동 에너지를 절약할 수 있도록 한 기울어진 세탁기의 회전 배수 제어 방법을 제공하는 데 있다.The present invention has been made in order to solve the above problems, the washing tank is rotated during the drainage operation so that the laundry in the washing tank is uniformly distributed before the dewatering operation to be drained while driving as the washing water level is lowered by the drainage The present invention provides a method of controlling the rotational drainage of an inclined washing machine to reduce the input voltage of the motor to save driving energy.

상기한 과제를 실현하기 위한 본 발명에 따른 기울어진 세탁기의 회전 배수 제어 방법은, 세탁 및 헹굼 작동이 완료된 다음, 구동 모터를 작동시켜 세탁조를 회전시키면서 세탁수를 배수하는 회전배수과정에서, 세탁조 내의 수위가 낮아짐에 따라 구동 모터의 부하량도 점차 작아지도록 하여 상기 세탁조의 회전 속도를 제어하는 것을 특징으로 하여 가능하게 된다.Rotating drainage control method of the inclined washing machine according to the present invention for realizing the above object, in the washing tank in the rotating drainage process to drain the washing water while rotating the washing tank by operating the drive motor after the washing and rinsing operation is completed, As the water level is lowered, the load of the driving motor is also gradually reduced, thereby controlling the rotational speed of the washing tub.

이하, 첨부된 도면을 참조하여 본 발명의 실시 예를 설명하면 다음과 같다. Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.                     

도 4는 본 발명에 따른 기울어진 세탁기의 회전 배수 제어 방법이 도시된 순서도이고, 도 5는 본 발명에 따른 배수 및 탈수 작동 상태를 나타낸 도면들이다.Figure 4 is a flow chart illustrating a method for controlling the rotational drainage of the inclined washing machine according to the present invention, Figure 5 is a view showing the drainage and dehydration operating state according to the present invention.

본 발명은 도 5의 (a)에서와 같이 세탁조가 좌우 구동되는 세탁 및 헹굼 작동이 완료되면(S1), 도 5의 (b)에서와 같이 배수 밸브(70)가 개방되는 동시에 구동 모터(55)가 작동되면서 일정 회전 속도(rpm)까지 세탁조(65)의 회전 속도를 상승시키면서 배수 호스(75)를 통해 세탁수를 배수하는 회전 배수 단계(S2)와, 상기 회전 배수 단계를 통해 세탁수의 배수가 완료되면 도 5의 (c)에서와 같이 구동 모터(55)의 작동으로 일정 회전 속도 이상으로 세탁조(65)를 고속 회전시키면서 세탁물에 포함된 수분을 탈수하는 탈수 작동 단계(S3)로 구성된다.In the present invention, when the washing and rinsing operation in which the washing tank is driven left and right as shown in FIG. 5 (a) is completed (S 1 ), the drain valve 70 is opened as shown in FIG. 5 (b) and the driving motor ( 55 is operated while the rotary drainage step (S 2 ) for draining the wash water through the drain hose 75 while increasing the rotational speed of the washing tank 65 to a predetermined rotational speed (rpm), and washing through the rotary drainage step can, while the high-speed rotation of the washing tub 65 is above a certain rotational speed by operation of the drive motor 55, as shown in (c) of Fig. 5 when the drainage is complete dehydration operation step of dehydrating the moisture contained in the laundry (S 3 It is composed of

특히 상기 회전 배수 단계(S2)는 세탁수가 배수되면서 세탁조(65) 내의 수위가 낮아짐에 따라 구동 모터의 부하량도 점차 작아지도록 하여 상기 세탁조(65)의 회전 속도(rpm)을 제어한다(S2').In particular, controls the rotation speed (rpm) of the rotary multiple stage (S 2) is to ensure gradually smaller loading of the drive motor depending on the water level in the washing tank 65 becomes lower as a multiple number of laundry the washing tub (65) (S 2 ').

즉, 회전 배수 단계(S2)가 시작됨에 따라 점차 세탁조(65) 내의 세탁수의 수위는 줄어들게 되고, 세탁조의 하중이 줄어듦에 따라 구동 모터의 입력 전압 즉, 부하량을 적게 하여도 일정 속도로 세탁조(65)를 회전시킬 수 있게 된다.That is, as the rotary drainage step S 2 is started, the water level of the washing water in the washing tank 65 gradually decreases, and as the load of the washing tank decreases, the washing tank at a constant speed even though the input voltage of the driving motor is reduced, that is, the load amount is reduced. It becomes possible to rotate 65.

이와 같은 상기 회전배수단계(S2)에서 세탁조(65)의 회전 속도는 도 6에서와 같이 일정 회전 속도(rpm)가 유지되게 제어하거나 도 7에서와 같이 점차 회전 속도(rpm)가 낮아지도록 제어할 수 있다.In this rotation drainage step (S 2 ), the rotational speed of the washing tub 65 is controlled to maintain a constant rotational speed (rpm) as shown in FIG. 6 or to gradually lower the rotational speed (rpm) as shown in FIG. can do.

즉, 본 발명의 일 실시예에서는 도 6에 도시된 바와 같이 세탁수의 수위가 낮아짐에 따라 구동 모터의 부하량(power)도 낮아지게 되고, 이때의 세탁조 회전 속도는 일정 회전 속도(rpm)까지 상승한 후, 회전 배수 구간이 끝날 때까지 일정 속도(rpm)로 회전한 다음, 탈수 구간이 시작되면 세탁조의 회전 속도는 가속되어 회전된다.That is, in one embodiment of the present invention, as the water level of the washing water is lowered as shown in Figure 6, the load of the drive motor (power) is also lowered, at this time the washing tank rotation speed is increased to a certain rotation speed (rpm) Then, after rotating at a constant speed (rpm) until the end of the rotation drainage section, the rotation speed of the washing tank is accelerated and rotated when the dehydration section starts.

반면, 본 발명의 다른 실시예에서는 도 7에 도시된 바와 같이 세탁 수위가 낮아짐에 따라 구동 모터의 부하량(power)이 줄어드는 동시에 세탁조의 회전 속도(rpm)도 점차 감속된 다음, 탈수 행정이 시작되면 다시 가속 회전된다.On the other hand, in another embodiment of the present invention, as the washing level is lowered as shown in FIG. 7, the power of the driving motor decreases and the rotational speed (rpm) of the washing tank is also gradually reduced, and then the dehydration stroke is started. Is rotated again to accelerate.

이때에는 상기한 일 실시예에서의 모터 부하량보다 적은 에너지를 소비하면서 세탁조를 회전시키게 된다.At this time, the washing tank is rotated while consuming less energy than the motor load in the above embodiment.

물론, 상기 세탁조의 감속 회전속도(rpm)는 세탁조 내의 세탁물이 균일하게 분산될 수 있도록 세탁 수위에 따른 최소회전속도 즉, 세탁물이 중력 가속도를 이기고 세탁조의 벽면으로 이동하려는 회전 속도 이상의 조건으로 감속되어야 한다.Of course, the deceleration rotation speed (rpm) of the washing tank must be reduced to a minimum rotational speed according to the washing level, that is, the laundry to overcome the gravity acceleration and move to the wall of the washing tank so that the laundry in the washing tank can be uniformly distributed. do.

상기와 같이 구성되는 본 발명에 따른 기울어진 세탁기의 회전 배수 제어 방법은 세탁수의 배수가 이루어지면서 수위가 낮아짐에 따라 구동 모터에 인가되는 입력 전압도 점차 낮아지도록 제어함으로써 회전 배수 작동시에 소비되는 에너지를 줄일 수 있게 된다.Rotating drainage control method of the inclined washing machine according to the present invention configured as described above is consumed during rotational drainage operation by controlling the input voltage applied to the drive motor is gradually lowered as the water level is lowered while the washing water is drained Energy can be reduced.

상기한 바와 같은 본 발명의 기울어진 세탁기의 회전 배수 제어 방법은 회전 배수 작동 과정에서 세탁 수위가 줄어듦에 따라 구동 모터의 부하량을 줄이도록 제어함으로써 세탁기 작동에 따른 에너지 소비량을 절감할 수 있는 이점이 있다.The rotary drainage control method of the inclined washing machine according to the present invention as described above has the advantage of reducing the energy consumption according to the washing machine operation by controlling to reduce the load of the drive motor as the washing water level decreases during the rotary drainage operation process. .

Claims (3)

세탁 및 헹굼 작동이 완료된 다음, 구동 모터를 작동시켜 세탁조를 회전시키면서 세탁수를 배수하는 회전배수과정에서, 상기 세탁조 내의 수위가 낮아짐에 따라 상기 구동 모터의 부하량도 점차 작아지도록 하여 상기 세탁조의 회전 속도를 제어하는 기울어진 세탁기의 회전 배수 제어 방법.After the washing and rinsing operation is completed, in the rotation drainage process of draining the washing water while operating the driving motor by rotating the washing tank, the load of the driving motor is gradually reduced as the water level in the washing tank is lowered, thereby rotating the washing tank. Rotating drainage control method of the tilted washing machine to control the. 제 1 항에 있어서,The method of claim 1, 상기 회전배수과정에서 상기 세탁조의 회전 속도는 일정 회전속도가 유지되도록 제어하는 기울어진 세탁기의 회전 배수 제어 방법.Rotation drainage control method of the inclined washing machine to control the rotational speed of the washing tank in the rotation drainage process to maintain a constant rotational speed. 제 1 항에 있어서,The method of claim 1, 상기 회전배수과정에서 상기 세탁조의 회전 속도는 세탁 수위가 낮아짐에 따라 점차 낮은 속도로 회전되도록 제어하는 기울어진 세탁기의 회전 배수 제어 방법.Rotation drainage control method of the inclined washing machine to control the rotational speed of the washing tank in the rotation drainage process to rotate at a lower speed gradually as the washing level is lowered.
KR1020000040647A 2000-07-14 2000-07-14 The rotary drain control method of a tilting drum type washer KR100719842B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980053058A (en) * 1996-12-26 1998-09-25 배순훈 Drainage method of washing machine and apparatus for performing the same
KR19980085167A (en) * 1997-05-28 1998-12-05 배순훈 How to drain the washing machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980053058A (en) * 1996-12-26 1998-09-25 배순훈 Drainage method of washing machine and apparatus for performing the same
KR19980085167A (en) * 1997-05-28 1998-12-05 배순훈 How to drain the washing machine

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