EP2085507B1 - Procédé de traitement du linge et appareil électrique pour celui-ci - Google Patents

Procédé de traitement du linge et appareil électrique pour celui-ci Download PDF

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Publication number
EP2085507B1
EP2085507B1 EP09100049.7A EP09100049A EP2085507B1 EP 2085507 B1 EP2085507 B1 EP 2085507B1 EP 09100049 A EP09100049 A EP 09100049A EP 2085507 B1 EP2085507 B1 EP 2085507B1
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EP
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Prior art keywords
drum
tub
laundry
supplemental
blower
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EP09100049.7A
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German (de)
English (en)
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EP2085507A1 (fr
Inventor
Aifen Chen
Chaoyang Wang
Min Wu
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/30—Drying processes 
    • 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
    • D06F25/00—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 and having further drying means, e.g. using hot air 

Definitions

  • the present invention relates to a method for treating laundry.
  • the method comprises a step performing a spinning process by using a washing machine, and a step performing a drying process, wherein the washing machine comprises a tub, a drum rotatably positioned within the tub, and a blower for blowing airflow into the tub, wherein the drum comprises a plurality of through holes formed in walls thereof.
  • the present invention also relates to an electrical appliance for treating laundry, comprising: a tub; a drum positioned within the tub and having plurality of through holes formed on walls thereof; a motor for driving the drum to rotate; a blower for blowing airflow into the tub; and a control device; wherein the control device is configured that it is operable to be programmed to control implementing of a spinning process and a drying process.
  • JP 2007-236459 A discloses a supplement process step for releasing laundry from an inner wall of a drum rotatable mounted with in the washing machine wherein the supplemental process step is implemented between a spinning process and process for drying and a a blower is activated for blowing warm air into the drum during the supplement process.
  • a method for drying textiles is also disclosed in EP 1 852 542 A1 .
  • Said method comprises a steam treatment sub-sequence for removing crinkles or crease of the laundry whereby during the sub-sequence hot steam is directly applied to the laundry in a drum and/or the laundry is agitated during a tumbling-mode.
  • a washer dryer comprising a heating device for heating air and a condensing device, a condensing device and a device for blowing air to a drum is disclosed in EP 344 549 A1 .
  • EP 0 344 549 A1 discloses a heating apparatus for a combined clothes washing and drying machine, including a housing removably joined with an opening in the upper part of the wash tub and forming part of the wall of the tub.
  • CH 527 950 A discloses a drum washing machine provided for washing and drying laundry, wherein parts of a tub surrounding the drum containing laundry to be treated are provided to be heat exchangers. In addition, this document discloses to warm up laundry after washing and rinsing while cooling machine parts, to improve drying of the laundry.
  • washing machines People usually use washing machines to wash, dehydrate, and dry laundry. It is well known that the process of washing laundry usually comprises washing, rinsing, and spinning processes.
  • a washing machine having a function of drying sometimes called a washer-dryer, also comprises a process for drying the laundry. That process is optional to be selected by the user.
  • a drum type washing machine typically comprises a tub and a drum for containing laundry.
  • the drum is positioned within the tub, and is operable to be driven by a motor to rotate around a shaft. Rotation of the drum drives the laundry to rotate therewith. Meanwhile lifters which are positioned on inner wall of the drum continually lift the laundry and water to a certain height, and then throw them down, thereby to clean the laundry.
  • a rinsing process, and subsequently a spinning process are implemented.
  • the drum should rotate at a relatively high speed in the spinning process.
  • the laundry usually sticks on inner wall of the drum after the spinning process, which results in deformation and wrinkles of the laundry.
  • An object of the present invention is to provide a laundry treatment method which reduces wrinkles that have been created after a spinning process of a washing machine.
  • Another object of the present invention is, when a washing machine having a drying function is used during treatment of laundry, and when drying process is selected, to enhance the drying efficiency, and meanwhile to avoid damage to the laundry from heating.
  • a still further object of the present invention is to provide an electrical appliance which reduces wrinkles created after a spinning process, enhances drying efficiency, and avoids heating damages caused to the laundry.
  • a laundry treatment method which comprises a step performing a spinning process by using a washing machine, and a step performing a process for drying the laundry, wherein said washing machine comprises a tub, a drum rotatably positioned within the tub, and a blower for blowing airflow into the tub, wherein the drum comprises plurality of through holes formed in walls thereof; a supplemental process is implemented after the spinning process, the supplemental process being provided for releasing the laundry from an inner wall of the drum and loosen the pieces of laundry from sticking to each other, and the supplemental process comprises a step that activates the blower to blow airflow into the tub and subsequently into the drum through the through holes.
  • the airflow that is blown by the blower during the supplemental step will impact on the laundry through the through holes, thereby to release the laundry from the inner wall of the drum.
  • the airflow will then release and loosen the pieces of the laundry from sticking to each other. The wrinkles and deformation are thereby reduced.
  • the supplemental process is separate of the drying process. Distinct from the drying process the supplemental process is scheduled to release the laundry from sticking to the drum after the spinning process having completed the washing step, and to loosen tight folds imparted to the laundry during the spinning process.
  • the washing machine comprises a heating device and a condensing device
  • the drying process comprises a step that activates the heating device to heat air, a step that activates the blower to blow the heated air into the tub and the drum, and a step that activates the condensing device to condense steam carried by the air flows from the tub and the drum.
  • the supplemental process is separate of the drying process.
  • the condensing device is not activated in the supplemental process.
  • the laundry released and loosened during the supplemental process will make it easy for hot air to contact each portion of the laundry during the subsequent drying process, thus to enhance drying efficiency. Moreover, since the laundry tumbles with rotating of the drum after being released from sticking, each portion thereof contacts with the hot air alternately, which results in that there is not any portion of the laundry will contact the hot air for a long time, and therefore no heating damage will be caused.
  • a supplemental process is implemented between the spinning process and the process for drying the laundry.
  • the drum is rotating at a predetermined speed. Rotating of the drum facilitates releasing and loosening of the laundry.
  • said drum rotates alternatingly forwardly and reversely, which facilitates releasing and loosening of the laundry.
  • said predetermined speed is between 35 rotations per minute and 60 rotations per minute.
  • said washing machine comprises a heating device
  • said method comprises a step for activating the heating device to heat the air which is being supplied to the tub and the drum by the blower during the supplemental process.
  • the heated air facilitates reducing of the wrinkles, and is propitious to drying of the laundry at the same time.
  • the air that heated by the heating device has a temperature not higher than 50 °C.
  • the blower supplies air into said tub and said drum for a period of time t which is 3 to 15 minutes.
  • an electrical appliance for treating laundry comprises a tub, a drum positioned within the tub and having a plurality of through holes formed on walls thereof, a motor for driving the drum to rotate, a blower for blowing airflow into the tub, and a control device, wherein the control device is configured such that it is operable to be programmed to control implementing of a spinning process and a drying process.
  • the control device controls implementing of a supplemental process after the spinning process, said supplemental process being separate of the drying process, the supplemental process being provided for releasing the laundry from an inner wall of the drum and loosen the pieces of laundry from sticking to each other, and during the supplemental process, the control device activates the blower to blow airflow into the tub and subsequently into the drum through the through holes.
  • the said appliance comprises a heating device and a condensing device
  • the drying process comprises a step that activates the heating device to heat air, a step that activates the blower to blow the heated air into the tub and the drum, and a step that activates the condensing device to condense steam carried by the air flows from the tub and the drum.
  • the control device is programmed that during the supplemental process, the condensing device is not activated.
  • the airflow that is blown by the blower will impact on the laundry through the through holes, and thereby release the laundry from inner wall of the drum.
  • the airflow will then release and loosen the pieces of laundry from sticking to each other.
  • the wrinkles and deformation are thereby reduced.
  • the released and loosened laundry makes it easy for hot air to contact each portion of the laundry, thus to enhance drying efficiency.
  • each portion thereof contacts the hot air alternately, which results in that there is not any portion of the laundry that will contact the hot air for a long time, and therefore no heating damage will be caused.
  • the supplemental process is implemented between the spinning process and the drying process.
  • said control device is programmed that during the supplemental process, the control device controls the motor to drive the drum to rotate.
  • said control device is programmed that during the supplemental process, the control device controls the motor to drive said drum to rotate alternatingly forwardly and reversely.
  • said control device is programmed that during the supplemental process, the blower is controlled by the control device to supply airflow into said tub and said drum for a period of time t which is 3 to 15 minutes.
  • the washing machine 1 comprises a tub 2, a drum 3 positioned within the tub 2, and is driven by a motor 12 to rotate at a high speed.
  • a heating device 5 is positioned above the tub 2 with one end introducing the heated air into the tub 2 and the drum 3, and another end being disposed with a blower 4 for providing air into the heating device 5.
  • a condensing device 6 is disposed at the backside of the tub 2.
  • the condensing device 6 has a first side connecting to an exhaust opening 7 of the tub 2, and a second side connecting to the blower 4.
  • the blower 4, the heating device 5, the tub 2, the drum 3, and the condensing device 6 form a closed air cycling loop 8.
  • the washing machine 1 further comprises a control device 11, which electrically connects to and is programmed to control the motor 12, the blower 4, the heating device 5 and the condensing device 6.
  • the blower 4, the heating device 5 and the condensing device 6 are used only for a drying process of the washing machine 1.
  • the air cycling loop 8 may not comprise a heating device 5 and/or a condensing device 6.
  • the control method for the washing machine 1 is as set forth below:
  • the control device 11 implements washing, rinsing, and spinning processes, or implements a spinning process separately according to the instruction inputted by the user.
  • the control device 11 controls the motor 12 to drive the drum 3 to rotate at a high speed.
  • a supplemental process is implemented.
  • the blower 4 is activated under control of the control device 11 to blow airflow into the tub 2, and subsequently onto the pieces of laundry which are sticking on inner wall of the drum 3, through through-holes 10 formed on wall 9 of the drum 3. Impacted by the airflow, the pieces of laundry are released from inner wall of the drum 3, and are loosened from each other.
  • the condensing device 6 is not activated.
  • the motor 12 is controlled by the control device 11 to drive the drum 3 to rotate at a predetermined speed which is between 35 rotations per minute and 60 rotations per minute.
  • the drum 3 rotates alternatingly forwardly and reversely.
  • the heating device 5 is activated under control of the control device 11 to heat the air provided to the tub 2 and the drum 3.
  • the air heated by the heating device 5 is suitable to have a temperature not higher than a predetermined temperature which is 50 °C such that it may improve the effect of removing wrinkles and meanwhile prevents damage that may be caused to the laundry and the washing machine 1 due to excessively high temperature.
  • Rotation of the drum 3, operation of the heating device 5, and operation of the blower 4 may proceed at the same time, or operation of the blower 4 proceeds with any one of the operation of the heating device 5 and rotation of the drum 3.
  • the blower 4 blows airflow into the tub 2 and the drum 3 for a period of time t which is 3 to 15 minutes.
  • the laundry in the drum 3 is still wet, such that a process for drying the laundry should be induced to dry the laundry.
  • the process for drying laundry has many different manners, for instance, users may take the laundry out of the drum 3 to dry them by airing, or to select a drying process of the washing machine 1.
  • the drying process of the washing machine 1 comprises the following operations: The control device 11 is programmed to control the motor 12 to drive the drum 3 to rotate; the control device 11 activates the heating device 5 to heat air; the control device 11 activates the blower 4 to blow the heated air into the tub 2 and the drum 3; and the control device 11 activates the condensing device 6 to condense steam carried by the air flows from the tub 2 and the drum 3.
  • the supplemental process is separate of the drying process. And in case a drying process is selected, the supplemental process is implemented after the spinning process and before the drying process.
  • the heated air is blown under promotion of the blower 4 into the tub 2 and the drum 3. Due to the impact of the airflow, the laundry which sticks on inner wall of the drum 3 is released, and such as to reduce the wrinkles and deformation of the laundry which are created during the spinning process, whatever after being dried by airing or by the washing machine. And if the pieces of laundry are dried by the washing machine in the drying process, since the pieces laundry have been released from inner wall of the drum 3 and loosened from each other, each portion thereof contacts with the hot air alternately and relatively equal, which results in high drying efficiency, and heating damage is avoided.

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

Claims (13)

  1. Procédé de traitement du linge, comprenant
    une étape exécutant un processus de rotation en utilisant un lave-linge,
    une étape exécutant un processus supplémentaire et
    une étape exécutant un processus pour le séchage du linge,
    dans lequel ledit lave-linge (1) comprend une cuve (2),
    un tambour (3) positionné de façon rotative à l'intérieur de la cuve (2),
    une soufflante (4) pour insuffler un flux d'air dans la cuve (2),
    un dispositif de chauffage (5) et
    un dispositif de condensation (6),
    dans lequel le tambour (3) comprend une pluralité d'orifices de passage (10) constitués dans ses parois (9),
    dans lequel le processus de séchage comprend
    une étape qui active le dispositif de chauffage (5) pour chauffer l'air,
    une étape qui active la soufflante (4) pour souffler l'air chauffé dans la cuve (2) et le tambour (3), et
    une étape qui active le dispositif de condensation (6) pour condenser la vapeur prélevée par les flux d'air dans la cuve (2) et le tambour (3), et
    dans lequel le processus supplémentaire est implémenté après le processus de rotation et ledit processus supplémentaire est séparé du processus de séchage, le processus supplémentaire étant fourni afin de décoller le linge d'une paroi intérieure (9) du tambour (3) et de désolidariser les pièces de linge l'une de l'autre, et le processus supplémentaire comprend une étape qui active la soufflante (4) afin d'insuffler un flux d'air dans la cuve (2) et ensuite dans le tambour (3),
    caractérisé en ce que :
    dans le processus supplémentaire, le dispositif de condensation (6) n'est pas activé et le flux d'air est soufflé par la soufflante (4) durant le processus supplémentaire à l'intérieur du tambour (3) à travers les orifices de passage (10) et rencontre le linge via les orifices de passage (10) afin de décoller le linge d'une paroi intérieure du tambour (3).
  2. Procédé selon la revendication 1, caractérisé en ce que le processus supplémentaire est implémenté entre le processus de rotation et le processus de séchage du linge.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, dans le processus supplémentaire, durant l'étape pendant laquelle la soufflante (4) insuffle le flux d'air dans ladite cuve (2) et ledit tambour (3), le tambour (3) tourne selon une vitesse prédéterminée.
  4. Procédé selon la revendication 3, caractérisé en ce que, dans le processus supplémentaire, ledit tambour (3) tourne alternativement vers l'avant et vers l'arrière.
  5. Procédé selon la revendication 3 ou 4, caractérisé en ce que ladite vitesse prédéterminée se situe entre 35 rotations par minute et 60 rotations par minute.
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit procédé comprend une étape pour l'activation du dispositif de chauffage (5) afin de chauffer l'air fourni à la cuve (2) et au tambour (3) par la soufflante (4) durant le processus supplémentaire.
  7. Procédé selon la revendication 6, caractérisé en ce que l'air qui est chauffé par le dispositif de chauffage (5) possède une température n'excédant pas 50 °C.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans le processus supplémentaire, la soufflante (4) fournit de l'air à l'intérieur de ladite cuve (2) et dudit tambour (3) pendant un laps de temps t allant de 3 à 15 minutes.
  9. Appareil électrique de traitement du linge, comprenant :
    une cuve (2),
    un tambour (3) positionné à l'intérieur de la cuve (2) et possédant une pluralité d'orifices de passage (10) constitués sur ses parois (9),
    un moteur (12) pour entraîner la rotation du tambour (3),
    une soufflante (4) pour insuffler un flux d'air dans la cuve (2),
    un dispositif de condensation (6),
    un dispositif de chauffage (5) et
    un dispositif de commande (11),
    dans lequel le dispositif de commande (11) est configuré de façon à pouvoir être programmé afin de commander l'implémentation d'un processus de rotation et d'un processus de séchage,
    dans lequel durant le processus de séchage, le dispositif de commande (11) active le dispositif de chauffage (5) pour chauffer l'air, la soufflante (4) pour souffler l'air chauffé à l'intérieur de la cuve (2) et du tambour (3), et le dispositif de condensation (6) pour condenser la vapeur prélevée par les flux d'air dans la cuve (2) et le tambour (3) et
    dans lequel le dispositif de commande (11) commande l'implémentation d'un processus supplémentaire après le processus de rotation, ledit processus supplémentaire étant séparé du processus de séchage, et durant le processus supplémentaire, le dispositif de commande (11) active la soufflante (4) pour souffler le flux d'air à l'intérieur de la cuve (2) et ensuite à l'intérieur du tambour (3),
    caractérisé en ce que
    durant le processus supplémentaire, le dispositif de commande (6) est programmé de sorte que le dispositif de condensation (6) ne soit pas activé et active la soufflante (4) pour souffler le flux d'air à l'intérieur du tambour (3) à travers les orifices de passage (10) et rencontrer le linge via les orifices de passage (10) afin de décoller le linge d'une paroi intérieure du tambour (3).
  10. Appareil électrique selon la revendication 9, caractérisé en ce que le processus supplémentaire est implémenté entre le processus de rotation et le processus de séchage.
  11. Appareil électrique selon l'une des revendications 9 à 10, caractérisé en ce que ledit dispositif de commande (11) est programmé de sorte que durant le processus supplémentaire, le dispositif de commande (11) commande le moteur (12) pour entraîner la rotation du tambour (3).
  12. Appareil électrique selon la revendication 11, caractérisé en ce que ledit dispositif de commande (11) est programmé de sorte que durant le processus supplémentaire, le dispositif de commande (11) commande le moteur (12) pour entraîner la rotation du tambour (3) alternativement vers l'avant et vers l'arrière.
  13. Appareil électrique selon l'une quelconque des revendications 9 à 12, caractérisé en ce que ledit dispositif de commande (11) est programmé de sorte que durant le processus supplémentaire, la soufflante (4) est commandée par le dispositif de commande (11) afin de fournir un flux d'air à l'intérieur de ladite cuve (2) et dudit tambour (3) durant un laps de temps t allant de 3 à 15 minutes.
EP09100049.7A 2008-01-31 2009-01-20 Procédé de traitement du linge et appareil électrique pour celui-ci Active EP2085507B1 (fr)

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EP2085507B1 true EP2085507B1 (fr) 2019-06-26

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EP2581483B1 (fr) 2011-10-13 2017-07-19 LG Electronics Inc. Appareil de traitement de vêtement et son procédé de commande
CN105332233B (zh) * 2014-07-18 2018-01-16 无锡小天鹅股份有限公司 洗干一体机及其烘干控制方法和烘干控制系统
CN106319835A (zh) * 2015-06-18 2017-01-11 青岛海尔滚筒洗衣机有限公司 滚筒洗衣机快洗控制方法
CN106319912B (zh) * 2015-06-25 2020-04-14 青岛海尔洗衣机有限公司 一种干衣机控制方法及干衣机
CN108779597A (zh) * 2016-03-04 2018-11-09 松下知识产权经营株式会社 滚筒式洗衣机
CN107805927A (zh) * 2016-09-09 2018-03-16 青岛海尔洗衣机有限公司 干衣机
CN109695124A (zh) * 2017-10-20 2019-04-30 青岛海尔滚筒洗衣机有限公司 一种洗衣机的控制方法及洗衣机
CN109695122B (zh) * 2017-10-23 2022-07-26 青岛胶南海尔洗衣机有限公司 用于衣物处理设备的烘干系统和衣物处理设备
CN108265487B (zh) * 2018-03-28 2023-02-21 青岛胶南海尔洗衣机有限公司 干衣设备
WO2019206012A1 (fr) * 2018-04-28 2019-10-31 青岛海尔滚筒洗衣机有限公司 Procédé d'entretien de linge pour appareil de traitement de linge et appareil de traitement de linge
CN110541274B (zh) * 2018-05-28 2022-11-15 博西华电器（江苏）有限公司 衣物护理机及其控制方法
CN111321567B (zh) * 2018-12-13 2024-04-12 博西华电器（江苏）有限公司 干衣机
CN112301623B (zh) * 2020-04-26 2022-03-18 无锡小天鹅电器有限公司 衣物处理设备控制方法、装置、设备及存储介质
CN114164613A (zh) * 2020-09-10 2022-03-11 青岛海尔滚筒洗衣机有限公司 洗干一体机的烘干方法

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CN101498089B (zh) 2010-12-01
CN101498089A (zh) 2009-08-05
EP2085507A1 (fr) 2009-08-05

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