EP2280115B1 - Kleiderwaschvorrichtung mit Trockenverfahren und Ansteuerungsverfahren dafür - Google Patents

Kleiderwaschvorrichtung mit Trockenverfahren und Ansteuerungsverfahren dafür Download PDF

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Publication number
EP2280115B1
EP2280115B1 EP10170066.4A EP10170066A EP2280115B1 EP 2280115 B1 EP2280115 B1 EP 2280115B1 EP 10170066 A EP10170066 A EP 10170066A EP 2280115 B1 EP2280115 B1 EP 2280115B1
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EP
European Patent Office
Prior art keywords
clothes
procedure
washing device
drying
condensation
Prior art date
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Application number
EP10170066.4A
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English (en)
French (fr)
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EP2280115A1 (de
Inventor
Harald MOSCHÜTZ
Wenfeng Pang
Min Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2280115A1 publication Critical patent/EP2280115A1/de
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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the present invention relates to a clothes washing device with a drying procedure, comprising: a water tub, a drum rotatably disposed in the water tub to receive clothes of a user, a heating member for heating air to perform drying operation on the clothes, a blower for driving air circulation, and a condensation unit to condense moisture from the process air, wherein the clothes washing device is provided with a washing procedure for performing washing operation on the clothes placed in the drum by the user, and the clothes washing device is further provided with a cleaning procedure for performing cleaning operation by intermittently driving the blower.
  • the invention also relates to a method of controlling such clothes washing device with a drying procedure,
  • a clothes drying device having the features specified above, and a related cleaning procedure are apparent from document EP 1 098 028 A2 .
  • the cleaning procedure disclosed requires providing, at a screen for catching lint from a flow of drying air, a movable flap to modify the flow of drying air so as to blow lint from the screen, and collect such lint blown from the screen in a collecting container for later disposal.
  • a drum washing machine as a common clothes washing device, is becoming more and more popular in East Asian countries subsequent to its long-standing common use in Europe due to its advantages such as lower damage to clothes and minimal use of water.
  • an ordinary drum washing machine includes a water tub and a drum which is rotatable and disposed inside the water tub.
  • a user puts the clothes to be washed in the drum, and the drum is driven by a motor to rotate and perform procedures such as washing, rinsing, and spinning in sequence to clean the clothes.
  • a drum washing and drying machine generally adds a clothes drying function on the basis of a drum washing machine to dry clothes after spinning, so as to implement a washing and drying process.
  • the drum washing and drying machine includes a water tub 2, and a drum 3 which is disposed inside the water tub 2 and rotatable.
  • a heating member 4 is set on the top of the water tub 2.
  • the heating member 4 includes a heating unit 8 and a drying duct 9.
  • An outlet 10 of the drying duct 9 is connected to the interior of the water tub 2 and the drum 3 disposed inside the water tub 2. Air is heated by the heating unit 8 to become dry hot air, which is transported into the drum 3 through the drying duct 9.
  • the dry hot air exchanges heat with washed clothes inside the drum 3 to take moisture in the washed clothes away to form relative humid air.
  • a condensation member 5 is set at a proper position on one side of the water tub 2.
  • the condensation member 5 includes a condensation pipe 11 and a condensation unit 12.
  • An inlet 13 of the condensation pipe 11 is connected to the water tub 2, and an outlet 14 thereof is connected to an inlet 15 of the drying duct 9.
  • the drying duct 9, water tub 2, drum 3, and condensation pipe 11 form a circulation loop for an air flow.
  • a blower 6 is set between the condensation unit 12 and the heating unit 8.
  • the blower 6 is normally formed of a fan 16 and a motor 17 which drives the running of the fan 16. Under the action of the fan 16, the humid air formed after heat exchange with the washed clothes enters the condensation pipe 11 through the inlet 13 of the condensation pipe 11.
  • the lint With the flowing of the air, the lint is attached to the inlet 13 of the condensation pipe 11, or at the surface of the condensation unit 12, or even some lint may enter the fan 16 of the blower 6 through the condensation pipe 11, or enter the heating member 4. After long time accumulation of lint, the condensation effect of the condensation unit 12 and the work efficiency of other parts such as the fan 16 are surely affected, thus seriously decreasing the drying efficiency of the washing and drying machine.
  • Japanese Patent Application No. H11-333185 discloses a drum washing and drying machine in which a rotating shaft of a drum in a water tub is in an approximately horizontal direction.
  • the air circulation channel in a drying procedure thereof is as follows: The air inside the water tub is exhausted through an air exhaust opening below the water tub, subsequently enters a pipe set with a fan and a heater, and then enters the water tub via an opening disposed on a front side of the drum.
  • the present invention is directed to an improved clothes washing device with a drying procedure, so as to effectively avoid accumulation of lint generated during a washing procedure or a drying procedure in the device, thus ensuring a washing effect and a drying effect of the clothes,
  • the invention provides a clothes washing device with a drying procedure, comprising: a water tub, a drum rotatably disposed in the water tub to receive clothes of a user, a heating member for heating air to perform drying operation on the clothes, a blower for driving air circulation, and a condensation unit and a condensation pipe to condense moisture from the process air, wherein the clothes washing device is provided with a washing procedure for performing washing operation on the clothes placed in the drum by the user, and the clothes washing device is further provided with a cleaning procedure for performing cleaning operation by intermittently driving the blower; further, the cleaning procedure is provided to, by intermittently driving the blower, rise and shake a liquid level inside the condensation unit to clean lint accumulated in the clothes washing device on the condensation unit and the condensation pipe.
  • the cleaning procedure is independent of the washing procedure.
  • the cleaning procedure is integrated to the cleaning procedure.
  • the clothes washing device further includes a spraying unit for supplying spraying water when performing the cleaning procedure.
  • the clothes washing device further includes a condensation member for condensing moisture in air, in which the spraying water supplied by the spraying unit is sprayed on a surface of the condensation member from top to bottom.
  • the present invention is also directed to an improved control method of a clothes washing device with a drying procedure, through which lint generated in a washing procedure or a drying procedure may be effectively washed away, thus ensuring a washing effect and a drying effect of the clothes.
  • the present invention provides a method of controlling a clothes washing device with a drying procedure, comprising: a water tub, a drum rotatably disposed in the water tub to receive clothes of a user, a heating member for heating air to perform drying operation on the clothes, a blower for driving air circulation, and a condensation unit and a condensation pipe to condense moisture from the process air, wherein the clothes washing device is provided with a washing procedure for performing washing operation on the clothes placed in the drum by the user, and the clothes washing device is further provided with a cleaning procedure for performing cleaning operation by intermittently driving the blower, the method comprising, by intermittently driving the blower, to rise and shake a liquid level inside the condensation unit to clean lint accumulated in the clothes washing device on the condensation unit and the condensation pipe.
  • the clothes washing device further includes a spraying unit
  • the controlling method further includes activating the spraying unit to supply spraying water when performing the cleaning procedure.
  • Beneficial effects of the present invention include the following:
  • the blower is intermittently driven, and a pressure difference between air pressures at both ends of the blower caused by the running of the blower make the liquid level inside the clothes washing device, especially the liquid level inside the condensation unit to rise and shake intermittently; and then, the spraying water provided by the spraying unit is sprayed on the surface of the condensation unit from top to bottom, thus cleaning the lint accumulated in pipes of the clothes washing device and especially on the surface of the condensation unit more effectively, so as to adequately ensuring a washing effect and a drying effect of the clothes.
  • a clothes washing device 1 with a drying procedure includes a water tub 2, a drum 3 which is disposed inside the water tub 2 and rotatable, a heating member 4, and a blower 6.
  • the heating member 4 is set on the top of the water tub 2 and includes a heating unit 8 and a drying duct 9.
  • An opening 22 for putting in and taking out clothes by a user is set on one side of the water tub 2 and the drum 3 that faces the user.
  • An outlet 10 of the drying duct 9 is connected to the interior of the water tub 2 and the drum 3 disposed inside the water tub 2 through the opening 22 or through another opening (not shown) above the opening 22.
  • An air exhaust opening 18 is opened at a proper position on a lower part of one side of the water tub 2 and connected to a condensation member 5.
  • the condensation member 5 includes a condensation pipe 11 and a condensation unit 12.
  • An inlet 13 of the condensation pipe 11 is connected to the air exhaust opening 18.
  • An outlet 14 of the condensation pipe 11 is connected to an inlet of the blower 6.
  • the blower 6 includes a fan 16 and a motor 17 which drives the running of the fan 16.
  • An outlet of the blower 6 is connected to an inlet of the drying duct 9.
  • the drying duct 9, water tub 2, drum 3, and condensation pipe 11 form a circulation loop for an air flow.
  • the clothes washing device 1 with a drying procedure Similar to a conventional drum washing and drying machine, the clothes washing device 1 with a drying procedure according to the specific embodiment of the present is provided with a washing procedure and a drying procedure.
  • washing procedure When the washing procedure is performed, a user puts clothes to be washed in the drum 3 through the opening 22, and selects a corresponding washing procedure.
  • the system turns on a water intake unit according to the user's selection to start feeding washing water in the drum 3 and the water tub 2. After a certain period of time, the system starts the washing procedure to perform washing operation on the clothes.
  • the washing procedure of the clothes washing device with a drying procedure according to the specific embodiment is provided with many procedure combinations for the user's selection depending on demands such as washing of delicates, washing of cotton clothes, and washing of silk clothes.
  • Corresponding different washing procedures may, according to regular practice, include steps like prewash, soak, wash, rinse, and spin.
  • a user may select a corresponding procedure according to a degree of dirtiness of the clothes and practical demands, and the clothes washing device will perform a washing operation on the clothes according to the procedure selected by the user.
  • the drying procedure of the clothes washing device with a drying procedure also includes many drying procedure combinations such as drying of delicates, drying of cotton clothes.
  • air is heated by the heating unit 8 to become dry hot air, and the dry hot air is transported into the drum 3 through the drying duct 9.
  • the dry hot air exchanges heat with washed clothes inside the drum 3 to take moisture in the washed clothes away to become relatively humid air.
  • the humid air formed after heat exchange with the washed clothes enters the condensation pipe 11 through the inlet 13 of the condensation pipe 11.
  • the condensation device 12 may be a condensation unit by using cooling water, or a condensation unit by using cooling air, or a condensation unit by using other mediums.
  • a cooling water supply unit 19 is disposed between the condensation unit 12 and the fan 16.
  • the cooling water supply unit 19 is connected to the water supply unit (not shown) of the device through a control valve 20. In the drying procedure, when the cooling water is needed, the system controls to open the control valve 20; and when cooling water is not needed, the system controls to close the control valve 20.
  • the clothes washing device with a drying procedure according to specific embodiments of the present novelty further includes a cleaning procedure for cleaning the condensation pipe 11 and the condensation unit 12 by intermittently driving the blower. For example, when a rinsing procedure is performed, as a certain amount of water exists on the bottoms of the water tub 2, the condensation pipe 11, and the condensation unit 12, under the action of the blower, the liquid levels of the water on the bottoms of the condensation pipe 11 and the condensation unit 12 will rise.
  • the liquid levels will shake because the blower is driven intermittently, which further increases the impact force of the washing water on the condensation pipe 11 and the surface of the condensation unit 12, thus ensuring that lint accumulated on the condensation pipe 11 and the condensation unit 12 in the drying procedure and/or the washing procedure can be washed away, so as to effectively avoid the lint accumulation on the condensation pipe 11 and the surface of the condensation unit 12 which affects the condensation effect, and at the same time, avoid the recontamination of clothes in the following washing or drying procedure due to the lint accumulation on the condensation pipe 11 and on the surface of the condensation unit 12, thereby ensuring the washing effect and the drying effect of the device.
  • a spraying unit 7 is further disposed between the condensation unit 12 and the fan 16.
  • One end of the spraying unit 7 is connected to the water supply unit of the washing device through a control valve 21, and the other end is disposed in the condensation pipe 11 between the condensation unit 12 and the fan 16.
  • the flow rate of the spraying unit 7 is controlled by the control valve 21.
  • the spraying unit 7 may also be replaced by the cooling water supply unit 19, that is, in the cleaning procedure, the control valve 20 may be controlled to control the opening and closing of the cooling water supply unit 19 as well as the flow rate of water intake, thus implement a function of washing away lint as that of the spraying unit 7.
  • a water flow of the spraying water supplied by the spraying unit 7 is used to impact the surface of the condensation unit to wash away the lint accumulated on the surface of the condensation unit 12 into the condensation pipe 11; the water then mixes with washing water into the condensation pipe 11 by the intermittent movement of the blower, and is drained through a drainage unit.
  • the method includes a step of performing a washing procedure on clothes in the drum, and a step of performing a cleaning procedure by intermittently driving the blower.
  • the cleaning procedure may be independent of the washing procedure, or be integrated to the washing procedure, that is, a user may select to separately perform a cleaning procedure, or a system may automatically perform the cleaning procedure at the same time when the user selects to perform the corresponding washing procedure, so as to clean the condensation pipe 11 and the condensation unit 12, thus ensuring that the lint accumulated on the condensation pipe 11 and the condensation unit 12 in the previous drying procedure or washing procedure are washed away, and effectively avoid the influences on the condensation effect of the condensation unit 12 and recontamination of the clothes caused by the lint.
  • the motor 17 is started to drive the fan 16 to move intermittently.
  • the lint accumulated on the surface of the condensation unit will also be washed away by the strong impact of the spraying water and flow into the condensation pipe with the spraying water, and is finally drained through the drainage unit, so that the whole cleaning procedure is completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (7)

  1. Waschmaschine (1) mit Trocknungsablauf, die Folgendes umfasst: einen Wasserbehälter (2), eine drehbar in dem Wasserbehälter (2) angeordnete Trommel (3) zum Aufnehmen von Kleidungsstücken eines Benutzers, ein Heizelement (4) zum Erwärmen von Luft zwecks Durchführen eines Trocknungsablaufs an den Kleidungsstücken, ein Gebläse (6) zum Antreiben der Luftzirkulation und eine Kondensationseinheit (12) und ein Kondensationsrohr (11) zum Kondensieren von Feuchtigkeit aus der Prozessluft, wobei die Waschmaschine (1) mit einem Waschablauf zum Durchführen eines Waschvorgangs an den von dem Benutzer in die Trommel (3) gelegten Kleidungsstücken versehen ist und wobei die Waschmaschine (1) ferner mit einem Reinigungsablauf zum Durchführen eines Reinigungsvorgangs durch intermittierendes Antreiben des Gebläses (6) versehen ist, dadurch gekennzeichnet, dass der Reinigungsablauf dazu vorgesehen ist, durch intermittierendes Antreiben des Gebläses (6) einen Flüssigkeitsstand in der Kondensationseinheit (12) zu erhöhen und ruckartig zu ändern, um sich in der Waschmaschine (1) an der Kondensationseinheit (12) und dem Kondensationsrohr (11) ansammelnde Flusen abzureinigen.
  2. Waschmaschine (1) mit Trocknungsablauf nach Anspruch 1, bei der der Reinigungsablauf vom Waschablauf unabhängig ist.
  3. Waschmaschine (1) mit Trocknungsablauf nach Anspruch 1, bei der der Reinigungsablauf in den Waschablauf integriert ist.
  4. Waschmaschine (1) mit Trocknungsablauf nach einem der vorhergehenden Ansprüche, die ferner eine Sprüheinheit (7) zum Zuführen von Sprühwasser beim Durchführen des Reinigungsablaufs umfasst.
  5. Waschmaschine (1) mit Trocknungsablauf nach Anspruch 4, bei der das von der Sprüheinheit (7) zugeführte Sprühwasser von oben nach unten auf eine Oberfläche der Kondensationseinheit (5) gesprüht wird.
  6. Verfahren zum Steuern einer Waschmaschine (1) mit Trocknungsablauf, die Folgendes umfasst: einen Wasserbehälter (2), eine drehbar in dem Wasserbehälter (2) angeordnete Trommel (3) zum Aufnehmen von Kleidungsstücken eines Benutzers, ein Heizelement (4) zum Erwärmen von Luft zwecks Durchführen eines Trocknungsablaufs an den Kleidungsstücken, ein Gebläse (6) zum Antreiben der Luftzirkulation und eine Kondensationseinheit (12) und ein Kondensationsrohr (11) zum Kondensieren von Feuchtigkeit aus der Prozessluft, wobei die Waschmaschine (1) mit einem Waschablauf zum Durchführen eines Waschvorgangs an den von dem Benutzer in die Trommel (3) gelegten Kleidungsstücken versehen ist und wobei die Waschmaschine (1) ferner mit einem Reinigungsablauf zum Durchführen eines Reinigungsvorgangs durch intermittierendes Antreiben des Gebläses (6) versehen ist, wobei das Verfahren umfasst, durch intermittierendes Antreiben des Gebläses (6) einen Flüssigkeitsstand in der Kondensationseinheit (12) zu erhöhen und ruckartig zu ändern, um sich in der Waschmaschine an der Kondensationseinheit (12) und dem Kondensationsrohr (11) ansammelnde Flusen abzureinigen.
  7. Verfahren zum Steuern der Waschmaschine (1) mit einem Trocknungsablauf nach Anspruch 6, bei dem die Waschmaschine (1) ferner eine Sprüheinheit (7) und das Steuerverfahren ferner das Aktivieren der Sprüheinheit (7) zum Bereitstellen von Sprühwasser beim Durchführen des Reinigungsablaufs umfasst.
EP10170066.4A 2009-07-30 2010-07-20 Kleiderwaschvorrichtung mit Trockenverfahren und Ansteuerungsverfahren dafür Active EP2280115B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101818276A CN101988260B (zh) 2009-07-30 2009-07-30 设有烘干程序的衣物洗涤设备及其控制方法

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EP2280115A1 EP2280115A1 (de) 2011-02-02
EP2280115B1 true EP2280115B1 (de) 2016-11-30

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CN (1) CN101988260B (de)

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EP2634301B1 (de) * 2012-02-29 2019-10-23 Electrolux Home Products Corporation N.V. Haushaltswaschtrockner mit einer Kondensationseinrichtung und Verfahren zum Betreiben dieses Haushaltswaschtrockners
DE102012209824A1 (de) * 2012-06-12 2013-12-12 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung und Verfahren zum Reinigen von Bauteilen eines wasserführenden Gerätes
CN103572569B (zh) * 2012-07-27 2017-02-15 博西华电器（江苏）有限公司 具有供水组件的家用电器
KR20140084950A (ko) * 2012-12-27 2014-07-07 동부대우전자 주식회사 세탁기용 건조장치 및 건조방법
CN106149328B (zh) * 2015-04-14 2019-10-01 青岛海尔洗衣机有限公司 带自清理功能的过滤系统及干衣机
KR102366933B1 (ko) 2015-07-30 2022-02-23 엘지전자 주식회사 세탁물 처리장치
CN107460694B (zh) * 2016-06-06 2020-11-06 博西华电器（江苏）有限公司 洗衣干衣机及其运行方法
CN105890302B (zh) * 2016-06-28 2018-10-26 郭加兵 一种内循环低温烘纱机
CN107558091B (zh) 2016-07-01 2020-11-27 博西华电器（江苏）有限公司 衣物烘干装置
CN107663759B (zh) * 2016-07-28 2021-04-13 青岛海尔洗涤电器有限公司 一种洗干一体机的线屑清理方法
JP6353005B2 (ja) * 2016-10-24 2018-07-04 東芝ライフスタイル株式会社 洗濯乾燥機
CN108950990B (zh) * 2017-05-26 2021-08-24 青岛海尔洗涤电器有限公司 具有自清洁功能的衣物处理装置
CN114293357B (zh) * 2021-12-01 2024-02-20 广东美的白色家电技术创新中心有限公司 衣物处理设备及其控制方法、装置和存储介质
CN114351427A (zh) * 2021-12-30 2022-04-15 合肥美的洗衣机有限公司 一种衣物处理设备及清洗方法

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Publication number Publication date
CN101988260A (zh) 2011-03-23
EP2280115A1 (de) 2011-02-02
CN101988260B (zh) 2013-06-12

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