KR20050014506A - Drum washing machine and control method thereof - Google Patents

Drum washing machine and control method thereof

Info

Publication number
KR20050014506A
KR20050014506A KR1020030053159A KR20030053159A KR20050014506A KR 20050014506 A KR20050014506 A KR 20050014506A KR 1020030053159 A KR1020030053159 A KR 1020030053159A KR 20030053159 A KR20030053159 A KR 20030053159A KR 20050014506 A KR20050014506 A KR 20050014506A
Authority
KR
South Korea
Prior art keywords
detergent
washing machine
drum washing
water
tank
Prior art date
Application number
KR1020030053159A
Other languages
Korean (ko)
Inventor
김현숙
주기훈
정정란
이기수
이현무
장욱진
Original Assignee
삼성전자주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020030053159A priority Critical patent/KR20050014506A/en
Priority to CNB2004100319259A priority patent/CN100339531C/en
Priority to US10/813,127 priority patent/US20050022319A1/en
Priority to EP04252397A priority patent/EP1502987A1/en
Publication of KR20050014506A publication Critical patent/KR20050014506A/en

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Classifications

    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/024—Devices for adding soap or other washing agents mounted on the agitator or the rotating drum; Free body dispensers
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • 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
    • D06F2103/14—Supply, recirculation or draining of washing liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

PURPOSE: A drum-type washing machine and a method for controlling the same are provided to increase the use efficiency of detergent by wetting both upper and lower parts of the laundry with a detergent solution and to disperse effectively the detergent solution to the upper part of the laundry by injecting the detergent solution after forming a washing hole. CONSTITUTION: A drum-type washing machine is composed of a fixed tub(10); a rotary tub(11) installed movably in the fixed tub; and a detergent melting unit installed outside the fixed tub to dissolve the detergent and water in the bottom side of the fixed tub. One end of the detergent melting unit is connected with the inside of the fixed tub. The detergent melting unit comprises a detergent melting pipe(20) of which one end is connected to the inside of the fixed tub and the other end is extended outward and a pump(18) for pumping the water and the detergent on the bottom side of the fixed tub to the detergent melting pipe.

Description

드럼 세탁기 및 그 제어방법{Drum washing machine and control method thereof}Drum washing machine and control method

본 발명은 드럼 세탁기에 관한 것으로, 분말세제의 용해율을 향상시켜 세탁성능을 향상시키는 드럼 세탁기 및 그 제어방법에 관한 것이다.The present invention relates to a drum washing machine, and to a drum washing machine for improving the washing performance by improving the dissolution rate of the powder detergent and a control method thereof.

일반적으로, 드럼 세탁기는 드럼형상으로 마련된 회전조의 회전으로 생긴 낙차를 이용하여 세탁물을 세탁하는 장치이다.In general, a drum washing machine is a device for washing laundry using a drop generated by the rotation of a rotating tub provided in a drum shape.

종래의 드럼 세탁기에서는 설정된 급수량을 급수하는 동안 세제를 동시에 회전조 내부로 투입 후 세탁행정을 진행한다.In the conventional drum washing machine while the set water supply amount of water to the detergent at the same time into the rotary bath proceeds to the washing administration.

그리고, 세탁반전이 진행되면서 투입된 세제는 물 속에 용해되어 세탁물에서 오염물질을 분리해 낸다.In addition, the detergent is introduced while the laundry is reversed to dissolve in water to separate the contaminants from the laundry.

그러나, 종래에는 투입된 세제는 고정조 바닥에 가라앉으며 세탁반전을 진행하면서 급수된 물에 세제가 용해되는 과정을 거치게 된다. 그러나, 이러한 세탁반전만으로는 세제가 물에 완전히 용해되기 어려우므로 세제찌꺼기가 잔존하여 세탁물이 깨끗이 세탁되지 않을 뿐만 아니라, 세제가 물에 충분히 용해되는 데 많은 시간이 소요되므로 그 만큼 세탁시간이 길어지는 문제점이 있다.However, conventionally, the detergent is put into the bottom of the fixed bath and goes through the process of dissolving the detergent in the water supplied while the washing reverse. However, such a washing reversal alone is difficult to dissolve the detergent completely in water, so the detergent residues remain, so that the laundry is not washed cleanly, and the washing time is long enough because the detergent is sufficiently dissolved in water. There is this.

또한, 종래에는 세탁반전에 의해 세제액이 세탁물의 하부에서 점차 상부로 번져가는 방식이다. 이로 인해, 세제액이 세탁물의 하부에서 세탁물의 상부까지 번져가는 데 옷감에 따라서는 상대적으로 긴 시간이 소요되거나 세제액이 덜 적셔질 수 있어 세탁시간이 길어짐은 물론 세탁성능이 떨어지는 문제점이 있다.In addition, in the related art, the detergent liquid gradually spreads from the lower part of the laundry to the upper part due to the washing reversal. For this reason, depending on the cloth spreading the detergent liquid from the lower part of the laundry to the upper part of the laundry may take a relatively long time or less detergent liquid, there is a problem that the washing time is long, as well as the washing performance is poor.

본 발명은 전술한 문제점을 해결하기 위한 것으로, 본 발명의 목적은 세제용해도를 높이기 위해 분말세제를 충분히 용해시켜 세탁시간을 단축시키면서도 세탁성능을 향상시키기 위한 드럼 세탁기 및 그 제어방법을 제공하는 데 있다.The present invention is to solve the above problems, an object of the present invention is to provide a drum washing machine and a control method for improving the washing performance while reducing the washing time by sufficiently dissolving the powder detergent to increase the detergent solubility. .

또한, 본 발명의 다른 목적은 분말세제가 용해된 세제액을 세탁물에 골고루 뿌려줌으로써 세탁성능을 향상시킬 뿐만 아니라 세탁시간을 단축시키기 위한 드럼 세탁기 및 그 제어방법을 제공하는 데 있다.In addition, another object of the present invention is to provide a drum washing machine and a method of controlling the same, which not only improves washing performance by spraying evenly the detergent solution in which the powder detergent is dissolved, but also shortens the washing time.

도 1은 본 발명의 실시예에 따른 드럼 세탁기의 내부 사시도이다.1 is an internal perspective view of a drum washing machine according to an embodiment of the present invention.

도 2는 본 발명의 실시예에 따른 드럼 세탁기의 제어방법에 대한 제어흐름도이다.2 is a control flowchart of a control method of a drum washing machine according to an embodiment of the present invention.

도 3a, 3b는 세제를 용해시키는 과정을 설명하기 위한 동작도이다.Figure 3a, 3b is an operation diagram for explaining the process of dissolving detergent.

도 4는 세제액 분사전에 회전조를 고속 회전시킨 상태에서 회전조 내로 맑은 물을 분사 급수하는 과정을 설명하기 위한 동작도이다.4 is an operation diagram for explaining a process of spraying and supplying clean water into the rotating tank in a state where the rotating tank is rotated at a high speed before the detergent liquid is injected.

도 5는 회전조 내로 세제액을 분사시키는 과정을 설명하기 위한 동작도이다.5 is an operation diagram for explaining a process of spraying the detergent liquid into the rotating tank.

*도면의 주요 기능에 대한 부호의 설명** Description of the symbols for the main functions of the drawings *

10 : 고정조 11 : 회전조10: fixed tank 11: rotating tank

12 : 제1급수관 13 : 제2급수관12: 1st water supply pipe 13: 2nd water supply pipe

14 : 제1급수밸브 15 : 제2급수밸브14: 1st water supply valve 15: 2nd water supply valve

16 : 세제통 17 : 배출관16: detergent container 17: discharge pipe

18 : 배수펌프 19 : 배수밸브18: drain pump 19: drain valve

20 : 세제용해관 20a: 분사노즐20: detergent dissolution pipe 20a: injection nozzle

20b: 세제용해공간 22 : 세제용해관 밸브20b: detergent dissolution space 22: detergent dissolution pipe valve

전술한 목적을 달성하기 위한 본 발명의 드럼 세탁기는 고정조, 상기 고정조에 회동 가능하게 설치되는 회전조, 상기 고정조 외측에 구성되어 상기 고정조 내부와 일단부가 연결되고, 상기 고정조 저부의 물과 세제를 용해시키는 세제용해장치를 포함한다.Drum washing machine of the present invention for achieving the above object is a fixed tub, a rotating tub rotatably installed in the fixed tub, the fixed tub is configured outside the one end is connected to the inside of the fixed tub, the water of the bottom of the fixed tub And a detergent dissolving device for dissolving the detergent.

상기한 세제용해장치는 일단은 상기 고정조 내부와 연결되고 타단은 외부로 연장되는 세제용해관, 상기 고정조 저부의 물과 세제를 상기 세제용해관으로 펌핑하는 펌프, 상기 고정조 저부의 물과 세제를 상기 고정조와 세제용해관 사이에서 왕복 이동시키기 위해 상기 펌프를 미리 설정된 온/오프 주기에 따라 작동시키는 제어장치를 포함한다.The detergent dissolving device is connected to the inside of the fixing tank and the other end of the detergent dissolving pipe, the pump for pumping the water and the detergent of the bottom of the fixing tank to the detergent dissolution tube, the water of the fixing tank bottom and And a control device for operating the pump according to a preset on / off cycle for reciprocating the detergent between the fixing bath and the detergent dissolution tube.

상기한 세제용해관에는 관의 지름보다 큰 지름을 갖는 세제용해공간이 형성된 것을 특징으로 한다.The detergent dissolution tube is characterized in that the detergent dissolution space having a diameter larger than the diameter of the tube is formed.

상기한 세제용해관의 타단은 상기 회전조 입구측에 마련되는 것을 특징으로한다.The other end of the detergent dissolution pipe is characterized in that it is provided on the inlet side of the rotary tub.

상기한 세제용해관의 타단 단부에는 분사노즐이 마련된 것을 특징으로 한다.The other end of the detergent dissolution pipe is characterized in that the injection nozzle is provided.

상기한 세제용해관에는 유로를 개폐하는 밸브가 마련된 것을 특징으로 한다.The detergent dissolution pipe is characterized in that a valve for opening and closing the flow path is provided.

또한, 본 발명에 따른 드럼 세탁기의 제어방법은 고정조, 상기 고정조 외측에 구성된 세제용해장치를 갖는 드럼 세탁기의 제어방법에 있어서, 상기 고정조 내부로 물과 세제를 투입시키고, 상기 투입된 세제를 용해시키기 위해 상기 세제를 상기 고정조와 상기 세제용해장치사이에서 왕복 이동시키는 것을 포함한다.In addition, the control method of the drum washing machine according to the present invention, in the control method of the drum washing machine having a fixing tank, a detergent dissolving device configured outside the fixing tank, water and detergent are introduced into the fixing tank, Reciprocating the detergent between the fixing bath and the detergent dissolving device for dissolution.

상기한 세제를 용해시킨 후 상기 회전조를 회전시키고, 상기 회전조가 회전하는 동안 상기 왕복 이동에 의해 용해된 세제액을 회전조 내로 투입시키는 것을 포함한다.And rotating the rotating tub after dissolving the detergent, and introducing the detergent liquid dissolved by the reciprocating movement into the rotating tub while the rotating tub is rotating.

상기한 세제액을 투입시키기 전에 상기 회전조 내로 소정량의 물을 분사 급수하는 것을 더 포함한다.It further includes spraying and supplying a predetermined amount of water into the rotating tank before the detergent liquid is introduced.

상기한 세제액 투입을 완료한 후에 상기 회전조를 저속 반전시키는 것을 더 포함한다.After completing the addition of the detergent liquid further comprises the step of inverting the rotating tank at low speed.

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

도 1은 본 발명의 실시예에 따른 드럼 세탁기의 내부 사시도이다. 도 1에 도시된 바와 같이, 본 발명의 실시예에 따른 드럼 세탁기에는 외부의 수도관으로부터 유입되는 물을 고정조(10) 또는 회전조(11)로 선택적으로 유입시키기 위해 두 개의 급수관(12,13)이 설치된다.1 is an internal perspective view of a drum washing machine according to an embodiment of the present invention. As shown in Figure 1, the drum washing machine according to an embodiment of the present invention two water supply pipes (12, 13) to selectively enter the water flowing from the external water pipe into the fixed tank 10 or the rotary tank (11) ) Is installed.

이 급수관들 중 하나인 제1급수관(12)은 고정조(10)와 연결되어 있으며, 다른 하나인 제2급수관(13)은 회전조(11) 내부와 연결되어 있다. 이 급수관들에는 고정조(10) 또는 회전조(11)로 선택적으로 물을 유입시키기 위해 급수밸브들(14,15)이 각각 설치된다.The first water supply pipe 12, which is one of these water supply pipes, is connected to the fixed tank 10, and the other second water supply pipe 13 is connected to the inside of the rotary tank 11. The water supply pipes are provided with water supply valves 14 and 15, respectively, for selectively introducing water into the fixed tank 10 or the rotary tank 11.

제1급수관(12)에는 물과 세제를 함께 고정조(10)로 투입시키기 위해 제1급수밸브(14)와 고정조(10) 사이에 세제통(16)이 설치된다.In the first water supply pipe 12, a detergent container 16 is installed between the first water supply valve 14 and the fixing tank 10 to introduce water and detergent together into the fixing tank 10.

또한, 제2급수관(13)의 단부에는 회전조(11) 내로 물을 분사시킬 수 있도록 분사노즐(13a)이 장착된다. 따라서, 제1급수관(12)을 통해서는 고정조(10) 내부에 물과 세제를 함께 흘려 투입시킬 수 있도록 구성하고, 제2급수관(13)을 통해서는 고정조 내에 물만을 분사 투입시킬 수 있도록 구성한다.In addition, an injection nozzle 13a is mounted at the end of the second water supply pipe 13 so as to spray water into the rotating tank 11. Therefore, the first water supply pipe 12 is configured to allow the water and detergent to flow together in the fixing tank 10, and the second water supply pipe 13 so that only water can be injected into the fixing tank. Configure.

제1급수관(12)을 통해 유입되는 물과 세제를 채워지는 고정조(10)의 하부에는 배출관(17)이 설치된다. 이 배출관(17)에는 고정조(10) 하부의 물과 세제를 펌핑하기 위해 배수펌프(18)와 배수밸브(19)가 설치된다.A discharge pipe 17 is installed at a lower portion of the fixing tank 10 filled with water and detergent introduced through the first water supply pipe 12. The discharge pipe 17 is provided with a drain pump 18 and a drain valve 19 to pump water and detergent under the fixed tank 10.

이 배출관(17)에는 배수펌프(18)와 배수밸브(19) 사이에 배출관(17)에서 분기되는 세제용해관(20)이 설치된다. 이 세제용해관은 일단은 고정조 내부와 연결된 배출관과 연결되고, 타단은 회전조 입구측에 연결된다. 또한, 이 세제용해관(20)의 단부에는 회전조(11) 내로 세제액을 분사시킬 수 있도록 분사노즐(20a)이 형성되어 있고, 세제용해관(20)의 중간부에는 관의 지름보다 큰 지름을 갖는 원통형의 세제용해공간(20b)이 형성되어 있다. 한편, 이 세제용해관(20)에는 배수시 물이 세제용해관(20)으로 유입되는 것을 방지하기 위해 세제용해관 밸브(22)가 설치된다.The discharge pipe 17 is provided with a detergent dissolution pipe 20 branched from the discharge pipe 17 between the drain pump 18 and the drain valve 19. This detergent dissolution pipe is connected to the discharge pipe connected to the inside of the fixed tank and the other end is connected to the inlet side of the rotary tank. In addition, a dispensing nozzle 20a is formed at the end of the detergent dissolution tube 20 so as to spray the detergent liquid into the rotating tank 11, and a middle portion of the detergent dissolution tube 20 is larger than the diameter of the tube. A cylindrical detergent dissolving space 20b having a diameter is formed. On the other hand, this detergent dissolution tube 20 is installed in the detergent dissolution tube valve 22 to prevent water from flowing into the detergent dissolution tube 20 when draining.

아울러, 회전조(11)에는 정역 가능한 모터(미도시)가 장착되어 이 모터의 작동에 의해 회전조(11)가 정역 회전한다. 또한, 도시되지는 않았지만 회전조 내의 수위를 감지하기 위한 수위감지센서가 설치되어 있다.In addition, the rotating tank 11 is equipped with a motor (not shown) that can be reversed and reverse rotation of the rotating tank 11 by the operation of this motor. In addition, although not shown is a water level sensor for detecting the water level in the rotating tank is installed.

이러한 제1급수밸브(14), 제2급수밸브(15), 모터, 배수펌프(18), 배수밸브(19), 세제용해관 밸브(22) 등은 전반적인 제어를 수행하는 제어장치에 전기적으로 연결되어 있다.The first water supply valve 14, the second water supply valve 15, the motor, the drain pump 18, the drain valve 19, the detergent dissolution pipe valve 22, and the like are electrically connected to a control device that performs overall control. It is connected.

이하에서는 구체적인 작동과정을 통해 본 발명에 따른 드럼 세탁기의 제어방법을 설명한다.Hereinafter, a control method of the drum washing machine according to the present invention through a specific operation process.

도 2는 본 발명의 실시예에 따른 드럼 세탁기의 제어방법에 대한 제어흐름도이다. 도 2를 살펴보면, 먼저, 제1급수밸브(14)를 일정시간동안 온 시켜 고정조(10) 내부로 물과 세제를 투입시킨다(100).2 is a control flowchart of a control method of a drum washing machine according to an embodiment of the present invention. Referring to Figure 2, first, the first water supply valve 14 is turned on for a predetermined time to put water and detergent into the fixing tank 10 (100).

이에 따라, 세제와 물이 고정조(10) 하부에 채워지게 된다. 하지만, 수도관으로부터 유입된 물에 의해 세제통(16)의 세제가 단지 쓸어 내려갔을 뿐이므로 물 속에는 세제가 충분히 녹지 않고 상대량이 잔존하게 된다. 또한, 후술하겠지만 이러한 상태에서 설정된 양의 물을 급수받은 후 회전조(11)를 반전시키더라도 세탁물 중 회전조(10) 내벽에 붙는 세탁물의 하부에는 세제액이 빨리 적혀지나 세탁물의 중앙부에는 세제액이 충분히 적혀지는데 상대적으로 오랜 시간이 소요된다.Accordingly, the detergent and the water is filled in the bottom of the fixing tank (10). However, since the detergent of the detergent container 16 is only swept away by the water introduced from the water pipe, the detergent is not sufficiently dissolved in water and the relative amount remains. In addition, as will be described later, even if the rotating tub 11 is inverted after receiving the set amount of water in this state, the detergent liquid is quickly written on the lower portion of the laundry attached to the inner wall of the rotating tub 10, but the detergent liquid is located at the center of the laundry. It takes a relatively long time to write this.

따라서, 이러한 문제점을 해결하기 위해서는 첫째, 물에 세제를 충분히 용해시키는 세제용해과정이 필요하며, 둘째, 충분히 세제가 용해된 세제액을 회전조 내로 직접 분사시키는 세제분사과정이 필요하다.Therefore, in order to solve this problem, first, a detergent dissolving process for dissolving detergent in water is necessary, and second, a detergent spraying process for spraying the detergent solution sufficiently dissolved in the rotary bath is required.

먼저, 세제용해과정은 배수펌프(18)를 세제용해를 위한 미리 설정된 온/오프 주기에 따라 작동시켜 도 3a와 도 3b를 반복시킨다(110). 이에 따라, 고정조(10) 저부의 물과 세제는 흔들어 섞는 것과 같이 고정조(10)와 세제용해관(20) 사이에서 왕복 이동되면서 용해된다.First, the detergent dissolution process operates the drain pump 18 according to a preset on / off cycle for detergent dissolution to repeat FIGS. 3A and 3B (110). Accordingly, the water and the detergent of the bottom of the fixing tank 10 is dissolved while reciprocating between the fixing tank 10 and the detergent dissolution tube 20, such as by shaking.

즉, 도 3a와 같이 배수펌프(18)의 온 주기 동안에는 고정조(10) 저부의 물과 세제는 세제용해관(20)의 세제용해공간(20b)으로 펌핑된다. 반면에 도 3b와 같이 배수펌프(18)의 오프 주기 동안에는 세제용해관(20)에 채워진 물과 세제가 다시 고정조(10) 저부로 이동된다. 이때, 배수펌프(18)의 온 시간은 세제용해관(20) 내의 물이 세제용해공간(20a)을 넘어 회전조(11) 내로 투입되지 않을 정도로 미리 설정된다. 이에 따라, 흔드는 섞는 효과에 의해 세제의 용해도를 높일 수 있다.That is, the water and the detergent of the bottom of the fixing tank 10 is pumped into the detergent dissolution space 20b of the detergent dissolution tube 20 during the on-cycle of the drain pump 18 as shown in FIG. 3A. On the other hand, during the off cycle of the drain pump 18 as shown in FIG. 3b, the water and the detergent filled in the detergent dissolution pipe 20 are moved to the bottom of the fixing tank 10 again. At this time, the on time of the drain pump 18 is set in advance so that the water in the detergent dissolution tube 20 is not introduced into the rotating tank 11 beyond the detergent dissolution space 20a. Thereby, the solubility of a detergent can be improved by the shaking mixing effect.

세제용해과정을 수행한 후 제1급수밸브(14)를 온 시켜 미리 설정된 급수량을 급수한다(120). 이에 따라, 수도관으로부터의 물이 제1급수관(12)을 통해 고정조(10) 내로 급수되고, 이 물은 점차 회전조 내로 차오른다.After performing the detergent dissolution process, the first water supply valve 14 is turned on to supply a preset water supply amount (120). As a result, water from the water pipe is supplied into the fixed tank 10 through the first water supply pipe 12, and the water gradually fills up into the rotating tank.

그리고, 세탁물을 골고루 적시기 위해 회전조 구동용 모터를 미리 설정된 속도로 정역 회전시켜 회전조(11)를 저속으로 반전시킨다(130).Then, in order to uniformly wet the laundry, the rotating tub driving motor is rotated forward and backward at a predetermined speed to reverse the rotating tub 11 at low speed (130).

그런 후에, 회전조(11)를 고속 회전시켜 세탁물을 회전조(11) 내벽에 붙여서 회전조 중앙에 세탁홀을 형성시킨다(140). 이때, 모터의 회전속도는 세탁시의 회전속도보다 빠르고, 모터의 회전방향은 세제액을 세탁물의 상부에 효과적으로 분사시키기 위해 세제액 분사노즐(21)의 설치위치에 따라 미리 정해진다. 일예로, 세제액 분사노즐(21)의 분사방향과 회전조(11)의 회전방향은 서로 일치하도록 정해지며,일예로 세제액 분사노즐(21)이 오른쪽에서 왼쪽으로 향하도록 설치되었으면 회전조(11)를 시계 반대방향으로 회전시킨다.Thereafter, the rotating tub 11 is rotated at a high speed to attach the laundry to the inner wall of the rotating tub 11 to form a washing hole in the center of the rotating tub (140). At this time, the rotational speed of the motor is faster than the rotational speed at the time of washing, the rotational direction of the motor is predetermined according to the installation position of the detergent liquid injection nozzle 21 in order to effectively spray the detergent liquid on the laundry. For example, the spraying direction of the detergent liquid injection nozzle 21 and the rotation direction of the rotary tank 11 are determined to match each other, for example, if the detergent liquid injection nozzle 21 is installed to face from right to left (rotation tank ( 11) rotate counterclockwise.

작동모드 140에서 회전조(11)를 고속 회전시켜 세탁홀을 형성한 후 제2급수밸브(15)를 다시 온 시켜 도 5와 같이 세탁물의 상부에 소정의 양(1리터~2리터)을 분사 급수한다(150). 이는 세탁물의 상부는 회전조(11) 내벽과 맞닿은 하부보다 아직 적심이 충분히 않으므로 세제액 분사시 생길 수 있는 얼룩을 방지하기 위함이다. 부가적으로 이러한 물의 분사 급수에 의해 세탁물이 무게가 증가하고, 회전조(11)가 고속회전하고 있으므로 이 증가된 세탁물의 무게에 의해 세탁홀의 크기가 커지게 한다.In the operation mode 140, the rotating tub 11 is rotated at a high speed to form a washing hole, and then the second water supply valve 15 is turned on again to spray a predetermined amount (1 liter to 2 liter) on the laundry as shown in FIG. Watering (150). This is because the upper part of the laundry is still less wet than the lower part in contact with the inner wall of the rotating tub 11 to prevent stains that may occur when the detergent solution is sprayed. In addition, the weight of the laundry is increased by the spray water supply of the water, and the rotating tub 11 is rotating at a high speed, thereby increasing the size of the washing hole by the increased weight of the laundry.

소정의 양의 맑은 물을 회전조(11) 내부로 분사급사 한 후 도 6과 같이 회전조(11)가 고속 회전하는 중에 배수펌프(18)를 미리 설정된 온 시간동안 작동시켜 세제용해공간 (20b)내의 용해된 세제액을 소정시간(일예로 1분)동안 회전조(11) 내의 세탁물 상부에 분사시킨다(160). 이에 따라, 세탁물의 상부에도 세제액이 충분히 적셔져 세탁물에 세제액이 단 시간 내에 흡수되므로 세탁시간을 단축시킬 수 있을 뿐만 아니라 세제의 활용도를 높일 수 있어 세탁성능을 향상시키게 된다.After spraying a predetermined amount of clear water into the rotating tank 11 and operating the drainage pump 18 for a predetermined on time while the rotating tank 11 rotates at high speed as shown in FIG. Dissolved detergent liquid in the) is sprayed to the upper part of the laundry in the rotary tank 11 for a predetermined time (for example, 1 minute) (160). Accordingly, the detergent liquid is sufficiently wetted in the upper part of the laundry, so that the detergent liquid is absorbed in the laundry within a short time, thereby not only shortening the washing time but also increasing the utilization of the detergent, thereby improving washing performance.

한편, 작동모드 160에서 회전조(11)를 고속회전시킴에 세탁물이 뭉치거나 세탁물이 서로 꼬여있는 상태에서 이후에 이루어지는 세탁행정이 진행될 수 있으므로 회전조(11)를 저속으로 반전시켜 풀림수류를 형성한다(200). 이에 따라, 세탁물이 뭉쳐있거나 꾜여진 상태가 해제되어 세탁물의 구김을 줄인 상태에서 세탁행정을 진행한다.On the other hand, in the operation mode 160 to rotate the rotating tank 11 at a high speed, the laundry can be carried out after the laundry is agglomerated or the laundry is twisted with each other, so that the rotating tank 11 is reversed at a low speed to form an unwinding stream. (200). Accordingly, the laundry is agglomerated or collapsed state is released to proceed the washing administration in the state of reducing the wrinkles of the laundry.

상술한 제어흐름도에서는 하나의 실시예로서 세제용해과정 후에 급수과정이 이루어지는 것으로 설명하였으나, 본 발명은 이에 한정되지 않으며 세제용해과정과 급수과정이 동시에 이루어질 수도 있다.In the above-described control flow chart, as an embodiment, the water supply process is performed after the detergent dissolution process, but the present invention is not limited thereto, and the detergent dissolution process and the water supply process may be simultaneously performed.

이상에서 상세히 설명한 바와 같이, 본 발명은 물 속에 분말세제를 충분히 용해시킴으로써 세제용해도를 높여 세탁시간을 줄이면서도 세탁물을 더 깨끗이 세탁하는 효과가 있다.As described in detail above, the present invention has the effect of washing the laundry more cleanly while reducing the washing time by increasing the detergent solubility by sufficiently dissolving the powder detergent in water.

또한, 본 발명은 세탁물의 하부는 물론 세탁물의 상부까지도 세제액을 충분히 적실 수 있도록 함으로써 세제활용도를 높여 세탁성능을 향상시키는 효과가 있다.In addition, the present invention has the effect of improving the laundry performance by increasing the degree of detergent utilization by allowing the detergent solution to sufficiently wet the lower part of the laundry as well as the upper part of the laundry.

또한, 본 발명은 회전조를 고속 회전시켜 세탁물을 회전조 내벽에 붙여 세탁홀을 형성한 후 세제액을 분사시킴으로써 세제액을 세탁물의 상부에 효과적으로 분사킬 수 있는 효과가 있다.In addition, the present invention has an effect that can effectively spray the detergent liquid to the upper portion of the laundry by rotating the rotary bath at high speed to form a laundry hole by attaching the laundry to the inner wall of the rotary tank.

또한, 본 발명은 세탁물을 충분히 적신 후에 세제액을 분사하여 세탁물이 세제액에 의해 얼룩지는 것을 방지할 수 있는 효과가 있다.In addition, the present invention has an effect that can be prevented from being stained by the detergent liquid by spraying the detergent liquid after wet the laundry sufficiently.

Claims (11)

고정조,Fixture, 상기 고정조에 회동 가능하게 설치되는 회전조,A rotating tub rotatably installed in the fixing tub, 상기 고정조 외측에 구성되어 상기 고정조 내부와 일단부가 연결되고, 상기 고정조 저부의 물과 세제를 용해시키는 세제용해장치를 포함하는 드럼 세탁기.The drum washing machine comprising a detergent dissolving device configured to be disposed outside the fixing tank and connected to the inside of the fixing tank and dissolving detergent and water at the bottom of the fixing tank. 제1항에 있어서, 상기 세제용해장치는 일단은 상기 고정조 내부와 연결되고 타단은 외부로 연장되는 세제용해관, 상기 고정조 저부의 물과 세제를 상기 세제용해관으로 펌핑하는 펌프를 포함하는 것을 특징으로 하는 드럼 세탁기.According to claim 1, The detergent dissolving device includes a detergent dissolution tube, one end is connected to the inside of the fixing tank and the other end is extended to the outside, the pump for pumping water and detergent of the bottom of the fixing tank to the detergent dissolution tube. Drum washing machine, characterized in that. 제2항에 있어서, 상기 세제용해장치는 상기 고정조 저부의 물과 세제를 상기 고정조와 세제용해관 사이에서 왕복 이동시키기 위해 상기 펌프를 미리 설정된 온/오프 주기에 따라 작동시키는 제어장치를 포함하는 것을 특징으로 하는 드럼 세탁기.3. The detergent dissolving apparatus according to claim 2, wherein the detergent dissolving device includes a control device for operating the pump according to a preset on / off cycle to reciprocate water and detergent of the bottom of the fixing tank between the fixing tank and the detergent dissolving tube. Drum washing machine, characterized in that. 제2항에 있어서, 상기 세제용해관에는 관의 지름보다 큰 지름을 갖는 세제용해공간이 형성된 것을 특징으로 하는 드럼 세탁기.The drum washing machine according to claim 2, wherein the detergent dissolution tube has a detergent dissolution space having a diameter larger than that of the tube. 제2항에 있어서, 상기 세제용해관의 타단은 상기 회전조 입구측에 마련되는것을 특징으로 하는 드럼 세탁기.The drum washing machine according to claim 2, wherein the other end of the detergent dissolution pipe is provided at the inlet side of the rotary tub. 제5항에 있어서, 상기 세제용해관의 타단 단부에는 분사노즐이 마련된 것을 특징으로 하는 드럼 세탁기.The drum washing machine according to claim 5, wherein a spray nozzle is provided at the other end of the detergent dissolution pipe. 제2항에 있어서, 상기 세제용해관에는 유로를 개폐하는 밸브가 마련된 것을 특징으로 하는 드럼 세탁기.The drum washing machine according to claim 2, wherein the detergent dissolution pipe is provided with a valve for opening and closing a flow path. 고정조, 상기 고정조 외측에 구성된 세제용해장치를 갖는 드럼 세탁기의 제어방법에 있어서,In the control method of the drum washing machine having a fixing tank, detergent dissolving device configured outside the fixing tank, 상기 고정조 내부로 물과 세제를 투입시키고,Put water and detergent into the fixing tank, 상기 투입된 세제를 용해시키기 위해 상기 세제를 상기 고정조와 상기 세제용해장치사이에서 왕복 이동시키는 것을 포함하는 드럼 세탁기의 제어방법.And reciprocating the detergent between the fixing bath and the detergent dissolving device to dissolve the charged detergent. 제8항에 있어서, 상기 회전조를 회전시키고, 상기 회전조가 회전하는 동안 상기 왕복 이동에 의해 용해된 세제액을 회전조 내로 투입시키는 것을 포함하는 것을 특징으로 하는 드럼 세탁기의 제어방법.The control method of a drum washing machine according to claim 8, wherein the rotating tub is rotated, and the detergent liquid dissolved by the reciprocating movement is introduced into the rotating tub while the rotating tub is rotated. 제9항에 있어서, 상기 용해된 세제액을 투입시키기 전에 상기 회전조 내로 소정량의 물을 분사 급수하는 것을 더 포함하는 것을 특징으로 하는 드럼 세탁기의제어방법.The control method of a drum washing machine according to claim 9, further comprising spraying and supplying a predetermined amount of water into the rotating tank before introducing the dissolved detergent liquid. 제9항에 있어서, 상기 세제액 투입을 완료한 후에 상기 회전조를 저속 반전시키는 것을 더 포함하는 것을 특징으로 하는 드럼 세탁기의 제어방법.The control method of a drum washing machine according to claim 9, further comprising inverting the rotating tank at a low speed after completing the input of the detergent liquid.
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