EP0657576B1 - Machine à laver commandée automatiquement - Google Patents

Machine à laver commandée automatiquement Download PDF

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Publication number
EP0657576B1
EP0657576B1 EP94117195A EP94117195A EP0657576B1 EP 0657576 B1 EP0657576 B1 EP 0657576B1 EP 94117195 A EP94117195 A EP 94117195A EP 94117195 A EP94117195 A EP 94117195A EP 0657576 B1 EP0657576 B1 EP 0657576B1
Authority
EP
European Patent Office
Prior art keywords
spinning
drum
rotational speed
foam
drive
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP94117195A
Other languages
German (de)
English (en)
Other versions
EP0657576A1 (fr
Inventor
Harald Dipl.-Ing. Moschütz
Ingo Dipl.-Ing. Schulze
Marianne Röhl
Frank Dipl.-Ing. Böldt
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
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0657576A1 publication Critical patent/EP0657576A1/fr
Application granted granted Critical
Publication of EP0657576B1 publication Critical patent/EP0657576B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 
    • D06F39/06—Arrangements for preventing or destroying scum
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/08—Control circuits or arrangements thereof
    • 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
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • 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
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2103/44—Current or voltage
    • D06F2103/46—Current or voltage of the motor driving the drum
    • 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
    • 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
    • D06F2105/48—Drum speed
    • 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
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps

Definitions

  • the speed values are electrical quantities in the Speed control circuit of a modern washing machine anyway and a load-dependent electrical quantity can also be an existing one in the speed control circuit Value for the motor current or the phase angle of the motor current, so that it is for the invention Foam detection no additional components requirement.
  • the inventive method is particularly advantageous Washer trained by the fact that when the Signals with a magnitude that indicate the presence of a the drum stops braking amount of foam that Spin drive of the drum at least for a limited Duration switched off is set up. During the switch-off period of the centrifugal drive, the foam at the bottom of the Suds container collapse. The remaining lye residues are according to a further advantageous development the washing machine according to the invention during the The centrifugal drive is switched off by a drain pump pumpable.
  • FIGs in Figures 1 and 2 show the course of the Motor current i over time t and the associated drum speed n over time. Proportional to that shown Current through the drum drive motor is the leading edge angle, the as a control variable from the control circuit for the drum drive motor can be removed immediately can.
  • the laundry item observed for recording the diagram in FIG. 2 still contained foam-forming lye.
  • the current curve in the diagram during the spin-up phase until it reaches about 220 min -1 is about the same as that in the diagram in FIG. 1.
  • the level of current consumption during the speed plateau 100 min -1 and the drop in current after the needle tip when accelerating to about 220 min -1 is already significantly higher than in the corresponding sections in FIG. 2.
  • this termination of the spin start another consequence be switched in the preceding program sequence.
  • it can be important to use the centrifugal drive Turn the drum off at least for a limited period. It would be advantageous during the switch-off period of the centrifugal drive continue to run the washing machine drain pump, with it lye resulting from collapsing Foam continues to collect, immediately removed from the tub can be. Lye that is no longer in the tub remains, can no longer form further foam take part.
  • control circuit can be designed in this way be that in principle the one already installed by the manufacturer Number of rinses and a spin start attempt be carried out, but then this first attempt at start-up a number corresponding to the learned experience of rinse cycles before the next spin start attempt is connected downstream.

Claims (9)

  1. Procédé de détermination d'un freinage indésirable du tambour de lavage pendant une phase d'essorage dans une machine à laver commandée automatiquement, dotée d'un moteur d'entraínement dont la vitesse de rotation peut être ajustée par un circuit de régulation de la vitesse de rotation et peut être définie en fonction d'une valeur de consigne et d'une valeur effective de la vitesse de rotation, et qui sert à entraíner le tambour de lavage à plusieurs vitesses de rotation différentes pour le lavage, le rinçage et l'essorage, caractérisé en ce que, pendant une phase d'essorage, un signal est délivré au circuit de commande de la machine à laver, lequel signal constitue une mesure d'un freinage indésirable du tambour de lavage et est déterminé par le rapport mutuel entre les paramètres de fonctionnement du moteur d'entraínement ci-dessous :
    a) vitesse de rotation de consigne,
    b) vitesse de rotation effective, et
    c) une grandeur électrique dépendante de la charge.
  2. Procédé selon la revendication 1, avec un circuit de régulation de la vitesse de rotation sur base d'une commande par découpage des phases, caractérisé en ce que la grandeur électrique dépendante de la charge est l'angle de découpage de phase de la tension d'alimentation du moteur d'entraínement.
  3. Procédé selon la revendication 1, avec un circuit de régulation de la vitesse de rotation sur base d'une commande par hacheur, caractérisé en ce que la grandeur électrique dépendante de la charge est le courant consommé par le moteur d'entraínement.
  4. Procédé selon la revendication 1, 2 ou 3, caractérisé en ce que, lorsqu'un signal dont la grandeur permet de conclure à la présence d'une quantité de mousse freinant le tambour est appliqué, l'entraínement d'essorage du tambour est débranché au moins pendant une durée limitée.
  5. Procédé selon la revendication 4, caractérisé en ce que pendant la durée du débranchement de l'entraínement d'essorage, une pompe à eau de lessive est en outre entraínée.
  6. Procédé selon la revendication 4 ou 5, caractérisé en ce que pendant la durée du débranchement de l'entraínement d'essorage, le tambour est entraíné à vitesse lente en sens inverse.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'après la constatation de la présence d'une quantité de mousse freinante, au moins une autre opération de rinçage est lancée.
  8. Procédé selon la revendication 7, caractérisé en ce que la ou les autres opérations supplémentaires de rinçage sont effectuées à un plus haut niveau d'eau de lessive.
  9. Procédé selon la revendication 7 ou 8, caractérisé en ce que le nombre des tentatives de démarrage de l'essorage est mémorisé dans un système du circuit de commande, et pour les opérations ultérieures de traitement, à partir de certaines fréquences de ces nombres, un nombre correspondant à la valeur déterminée expérimentalement d'opérations de rinçage est soit ajouté par anticipation au nombre d'opérations de rinçage réglé par le fabricant, soit réglé avant la tentative suivante de démarrage de l'essorage.
EP94117195A 1993-12-10 1994-10-31 Machine à laver commandée automatiquement Expired - Lifetime EP0657576B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4342274 1993-12-10
DE4342274A DE4342274A1 (de) 1993-12-10 1993-12-10 Automatisch gesteuerte Waschmaschine

Publications (2)

Publication Number Publication Date
EP0657576A1 EP0657576A1 (fr) 1995-06-14
EP0657576B1 true EP0657576B1 (fr) 1999-09-15

Family

ID=6504739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117195A Expired - Lifetime EP0657576B1 (fr) 1993-12-10 1994-10-31 Machine à laver commandée automatiquement

Country Status (7)

Country Link
EP (1) EP0657576B1 (fr)
KR (1) KR100348768B1 (fr)
DE (2) DE4342274A1 (fr)
ES (1) ES2138024T3 (fr)
HR (1) HRP940895B1 (fr)
PL (1) PL176927B1 (fr)
TR (1) TR28684A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101213335B (zh) * 2005-05-12 2012-10-24 尼得科发动机公司 操作洗衣机的方法和系统
DE102015205945A1 (de) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Verfahren zum Betrieb einer Waschmaschine mit Schaumdetektion durch eine Trommeldrehzahlauswertung sowie hierzu geeignete Waschmaschine
DE102015205949A1 (de) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Verfahren zum Betrieb einer Waschmaschine mit Schaumdetektion durch eine Motorstromauswertung sowie hierzu geeignete Waschmaschine

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839896A1 (de) * 1998-09-02 2000-03-09 Miele & Cie Waschmaschine mit einer Einrichtung zur Ermittlung des Wäschegewichts
KR20000059490A (ko) * 1999-03-04 2000-10-05 구자홍 세탁기의 세탁제어 방법
KR100786059B1 (ko) * 2000-12-01 2007-12-17 엘지전자 주식회사 드럼세탁기의 탈수속도 제어방법
DE10234472A1 (de) * 2002-07-29 2004-02-12 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Beseitigen von Schaum im Laugenbehälter einer Trommelwaschmaschine
US7905122B2 (en) 2003-04-28 2011-03-15 Nidec Motor Corporation Method and system for determining a washing machine load unbalance
DE10326551A1 (de) 2003-06-12 2005-01-05 BSH Bosch und Siemens Hausgeräte GmbH Wasch- und Spülverfahren für eine Waschmaschine
EP1971714B1 (fr) * 2005-12-29 2019-05-08 Arçelik Anonim Sirketi Machine à laver et procédé de commande
DE102007033492A1 (de) * 2007-07-18 2009-01-22 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Steuerung der Schaumerzeugung in einer Waschmaschine sowie hierzu geeignete Waschmaschine
DE102008028030A1 (de) 2008-06-12 2009-12-24 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Einrichtung zum Bestimmen von Schaum in einer Waschmaschine
DE102009045433B4 (de) * 2009-10-07 2011-09-15 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Behandeln von Schaum, entsprechend programmierte Steuereinrichtung sowie entsprechende Wäschebehandlungsmaschine
CN114108232B (zh) * 2021-12-02 2024-03-12 Tcl家用电器（合肥）有限公司 泡沫量预测方法、装置、存储介质以及洗涤设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410329A (en) * 1981-11-06 1983-10-18 General Electric Company Washing machine with oversuds detection and correction capability
NZ207319A (en) * 1984-02-29 1988-02-12 Fisher & Paykel Clothes washing machine, control of spin cycle and of washing during water entry
AU569646B2 (en) * 1984-12-18 1988-02-11 Toshiba, Kabushiki Kaisha Detecting critical rotation speed of an induction motor
FR2577949B1 (fr) * 1985-02-28 1988-02-12 Esswein Sa Machine a laver et a essorer a duree d'essorage variable
JPS63226395A (ja) * 1987-03-14 1988-09-21 株式会社東芝 脱水兼用洗濯機の衣類量検知装置
DE3840265C2 (de) * 1988-11-30 1996-06-13 Aeg Hausgeraete Gmbh Programmgesteuerte Waschmaschine
DE4117292C2 (de) * 1990-06-02 1998-04-09 Miele & Cie Verfahren zur Steuerung des Waschvorganges

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101213335B (zh) * 2005-05-12 2012-10-24 尼得科发动机公司 操作洗衣机的方法和系统
DE102015205945A1 (de) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Verfahren zum Betrieb einer Waschmaschine mit Schaumdetektion durch eine Trommeldrehzahlauswertung sowie hierzu geeignete Waschmaschine
WO2016156068A1 (fr) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Procédé permettant de faire fonctionner un lave-linge à détection de mousse par évaluation de la vitesse de rotation d'un tambour et lave-linge adapté à ce procédé
DE102015205949A1 (de) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Verfahren zum Betrieb einer Waschmaschine mit Schaumdetektion durch eine Motorstromauswertung sowie hierzu geeignete Waschmaschine

Also Published As

Publication number Publication date
KR100348768B1 (ko) 2002-12-11
DE4342274A1 (de) 1995-06-14
PL176927B1 (pl) 1999-08-31
HRP940895B1 (en) 2000-08-31
EP0657576A1 (fr) 1995-06-14
KR950018851A (ko) 1995-07-22
PL306202A1 (en) 1995-06-12
HRP940895A2 (en) 1996-10-31
ES2138024T3 (es) 2000-01-01
TR28684A (tr) 1997-01-02
DE59408745D1 (de) 1999-10-21

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