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EP1111117B2 - Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée - Google Patents
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EP1111117B2 - Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée - Google Patents

Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée Download PDF

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Publication number
EP1111117B2
EP1111117B2 EP99125728A EP99125728A EP1111117B2 EP 1111117 B2 EP1111117 B2 EP 1111117B2 EP 99125728 A EP99125728 A EP 99125728A EP 99125728 A EP99125728 A EP 99125728A EP 1111117 B2 EP1111117 B2 EP 1111117B2
Authority
EP
European Patent Office
Prior art keywords
washing drum
motor
washing
switch
target position
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
EP99125728A
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German (de)
English (en)
Other versions
EP1111117B1 (fr
EP1111117A1 (fr
Inventor
Ralf Menniger
Wolfgang Schuwerk
Fritz Siebachmeyer
Roberto p/o Diehl AKO Stiftung & Co.KG Colautti
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.)
Diehl AKO Stiftung and Co KG
Original Assignee
Diehl AKO Stiftung and Co KG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8239698&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1111117(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Diehl AKO Stiftung and Co KG filed Critical Diehl AKO Stiftung and Co KG
Priority to DE59906202T priority Critical patent/DE59906202D1/de
Priority to EP99125728A priority patent/EP1111117B2/fr
Priority to ES99125728T priority patent/ES2202999T5/es
Publication of EP1111117A1 publication Critical patent/EP1111117A1/fr
Publication of EP1111117B1 publication Critical patent/EP1111117B1/fr
Application granted granted Critical
Publication of EP1111117B2 publication Critical patent/EP1111117B2/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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/302—Automatic drum positioning
    • 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
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors

Definitions

  • the invention relates to a method for positioning a drivable by a motor washing drum of a washing machine in a target position according to the preamble of claim 1.
  • the washing drum In coat drum drum washing machines, the washing drum has a loading and unloading, which must stand for loading and unloading in a target position relative to a closable with a lid opening of the washing machine housing. It does not matter that in the target position, the loading and unloading of the washing drum is exactly below the opening of the washing machine housing. It is sufficient if the loading and unloading opening of the washing drum is partially visible and accessible at a standstill through the opening of the washing machine housing.
  • a position sensor provides output signals on the respective position of the loading and unloading, from which then corresponding switching pulses are derived for the motor of the washing drum.
  • the motor is operated reversing until the laundry of the loading and unloading has positioned opposite the lowest point of the washing drum. In this condition, the washing drum is stopped.
  • a similar procedure is in the EP 0 433 157 A1 described. There, the elimination of the generally existing imbalance is described. The motor of the washing drum is stopped when the loading opening is opposite the opening of the washing machine.
  • the object of the invention is therefore to propose a method of the type mentioned, with which the washing drum can bring in a technically simple manner and reliably in the target position.
  • the drive phase certain rotational ratios of the washing drum are created before switching off the engine.
  • the drive phase may connect to a spin phase or wash phase of the washing machine program.
  • the drive phase comprises a few full revolutions of the washing drum and is terminated when the washing drum passes through a predetermined stop position detected by the position sensor. Thereafter, the washing drum rotates then despite the engine off and inevitably due to the resulting moment from the inertia of the system washing drum and laundry and / or from the torque of the system washing drum and laundry and / or from the forces of moving in the washing drum laundry items to the target position further.
  • the suitable switch-off position is determined empirically once for the respective washing machine type and optimized if necessary. It has been found that it can be maintained thereafter regardless of the type of laundry and the laundry load.
  • the described method can be performed in a technically simple manner, because a simple washing machine with a washing drum and with a motor that is electrically or electronically controlled, only additionally requires a position sensor, the match or disagreement of a current wash drum position with a compares predetermined position.
  • the position sensor can switch off via an electronic engine control or directly the engine.
  • the method does not require that the motor is regulated. It can also be used in an unregulated washing machine motor, for example asynchronous motor.
  • the method also does not require that the motor controller include a microprocessor since it is simple in design and does not need to capture and process a variety of parameters.
  • a predetermined synchronizing position of the washing drum is detected by the position sensor during the drive phase and reported to the controller, wherein in further driven by the motor washing drum shutdown position is reached after a predetermined time after passing through the synchronization position.
  • the shut-off is offset by a certain angle on the circumference of the washing drum with respect to the synchronizing position.
  • the position sensor does not have to be arranged at the shutdown position. It can be arranged at a structurally favorable location.
  • the motor for example for speed control, has a tachogenerator, that the switch-off after a certain number of tachometer pulses of the tachogenerator after passing through the synchronization position of the washing drum is achieved.
  • the position sensor or another position sensor if the washing drum is in the target position, and if this is not the case, again a drive phase to the same or a changed shutdown position is initiated.
  • the shutdown position is changed in the direction of rotation of the washing drum when the target position has not been reached, and changed against the direction of rotation of the washing drum when the target position was reached, but was abandoned again. In the latter case, the washing drum has been rotated beyond the target position.
  • the amount of change of the angle for the shut-off position in the engine rotation direction is smaller than the amount of the allowable angle to the target position.
  • the amount of change in the angle for the shutdown position against the direction of engine rotation is about as large as the amount of the allowable angle to the target position.
  • a rinse-stop function In program controls of washing machines, a rinse-stop function is often provided. In the rinse-stop function, the laundry is in the water in contrast to the normal shut-off position of the program. In order to bring the washing drum in the target position in the Spülstop function, so that in this position laundry can be removed, a further shutdown position is predetermined, after which the washing drum continues to rotate to the target position. So there are two different shut-off positions are predetermined, one is active when the water is pumped out, and the other is active when the water is in the washing drum. With the same shutdown would not be achieved that the washing drum comes with both water filling and without water filling in the target position.
  • a washing drum 2 is rotatably mounted about a horizontal axis 3.
  • the washing drum 2 has on its circumference or its coat on a loading and unloading 4, which can be closed in the usual way with flaps 5.
  • the washing machine housing 1 is provided at the top with an opening 6 which can be covered by means of a cover, not shown.
  • a motor 7 For driving the washing drum 2, a motor 7 is provided, which is switchable by a control device 8, for example, an electronic control system.
  • a control device 8 for example, an electronic control system.
  • On the control electronics 8 acts a conventional, not shown program control and a position sensor 9, which comprises a circulating with the washing drum 2 functional part 10 and a washing drum 2 against non-rotatable functional part 11.
  • a drive phase is initiated, in which the motor 7 drives the washing drum 2 at least for a few full revolutions with a fixed, constant angular velocity or speed. This speed is less than a spin speed and preferably as large or smaller than a conventional washing speed.
  • the laundry is held within the drum each on the ascending side of the drum inner wall by frictional forces or positive engagement and lifted to some point against gravity, after which it falls down again in the washing drum 2.
  • the inertia component resulting from the rotational movement continues to act during the fall time of the wash.
  • the position sensor 9 detects the in FIG. 1 shown position of the washing drum 2 as a synchronizing position. Thereafter, the washing drum 2 from the motor 7 evenly - as before - further rotated during a residual rotation time TR, which corresponds to an angle aR and is stored in the control device 8. After the remaining rotation time TR, the washing drum 2 is in a shut-off position, which in FIG. 2 is shown and seen in the direction of rotation D of the washing drum 2 before the target position (see. FIG. 3 ) lies.
  • the switch-off position or the remaining rotation time TR or the residual rotation angle aR is predetermined so that the loaded washing drum 2 after reaching the switch-off, ie the switching off of the motor 7 normally enough rotational energy remains just to the target position (see. FIG. 3 ) to reach.
  • the correct location of the shutdown position determined empirically for a type of washing machine depends on the resulting torque from the inertia of the drum-laundry system and / or the torque exerted on the drum by unevenly distributed laundry and / or forces inherent in the drum the drum moving laundry be applied to the drum.
  • the switch-off can also be achieved in that after a certain number nR of tachometer pulses of a tachogenerator of the motor 7 is reached.
  • the number of tacho pulses nR will be predetermined so that after passing through the synchronizing after a number of tachometer pulses, the motor 7 is turned off when the shutdown position (see. FIG. 2 ) is reached.
  • the achievement of the target position can be checked with the position sensor 9. Detects the position sensor 9 that after switching off the motor 7, the target position after further rotation of the washing drum 2 without drive by the motor 7 was not reached by the angle aW, then he can initiate a repeated drive phase via the control device 8 to the target position to achieve one or more further attempts.
  • the position sensor 9 it is also possible to arrange the position sensor 9 directly at the shut-off position.
  • the remaining rotation time TR or the angle aR are zero.
  • the position sensor 9 thus triggers the switching off of the motor 7 without delay.
  • Two or more shut-off positions may also be stored in the control device 8 by corresponding determinations of remaining rotational times TR or residual rotational angles aR, whereby different shut-off positions may be defined if the washing drum 2 is water-laden (rinse-stop function) or not water-laden (normal program-end function). to come to the target position.
  • the shutdown position in its angular position relative to the target position, if the target position in the first attempt to reach them, was not reached.
  • the shut-off position can be changed in the direction of rotation D of the washing drum 2, if the target position was not reached on the first attempt to reach it.
  • the shut-off position can be adjusted counter to the direction of rotation D of the washing drum 2, when the target position in the first attempt to reach them, although has been achieved, but the washing drum 2 leaves this again without motor drive, i. overruns.

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

Claims (10)

  1. Procédé de positionnement dans une position cible d'un tambour de machine à laver (2) entraîné par un moteur, une ouverture (4) de chargement et déchargement pratiquée sur l'enveloppe du tambour (2) étant située, dans la position cible, en face de l'ouverture (6) de chargement et déchargement pratiquée sur la carrosserie de la machine à laver et le moteur (7) étant commandé par un dispositif de commande (8) sur lequel agit un capteur de positionnement (9), caractérisé en ce que le tambour (2) est mis en rotation par le moteur (7) lors d'une phase d'entraînement qui comporte quelques tours complets du tambour, avec une vitesse de rotation définie constante, en ce que le moteur (7) est ensuite coupé dans une position du tambour (2) prédéterminée pour la coupure et le tambour (2) continue à tourner, en ce que la position pour la coupure est déterminée de sorte que le tambour (2) poursuive sa rotation, en raison du moment résultant de l'inertie de masse du système linge-tambour (2) et/ou du couple du système linge-tambour (2) et/ou des forces engendrées par le linge qui se déplace dans le tambour (2) et sans entraînement du moteur, jusqu'à la position cible ou presque jusqu'à elle et s'y arrête et en ce que, par le capteur de position ou un capteur de position supplémentaire (9), il est déterminé si le tambour (2) se trouve bien dans la position cible et en ce que si ce n'est pas le cas, une répétition de la phase d'entraînement, comportant plusieurs tours complets du tambour et dans laquelle le tambour est entraîné en rotation par le moteur (7) avec une vitesse de rotation définie constante, est conduite jusqu'à la même ou une autre position de coupure.
  2. Procédé selon la revendication 1, caractérisé en ce que pendant la phase d'entraînement, une position de synchronisation prédéterminée du tambour (2) est détectée par le détecteur de position (9) et envoyée au dispositif de commande (8), la position de coupure étant atteinte après un temps prédéterminé (TR) lors de la poursuite de l'entraînement du tambour (2) par le moteur (7), après passage dans la position de synchronisation.
  3. Procédé selon la revendication 1, caractérisé en ce que le capteur de position (9) détecte une position de synchronisation prédéterminée du tambour et la transmet au dispositif de commande (8), la position de coupure étant atteinte après un certain nombre d'impulsions tachymétriques (nR) d'un générateur tachymétrique du moteur (7) lors de la poursuite de l'entraînement du tambour (2) par le moteur (7), après passage dans la position de synchronisation.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'emplacement de la position de coupure est choisie en fonction de la géométrie du tambour (2) et que la vitesse de rotation est choisie pendant la phase d'entraînement.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'emplacement de la position de coupure est choisie en fonction des forces de freinage appliquées au tambour (2) après la phase d'entraînement.
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'emplacement de la position de coupure varie dans le sens de rotation du tambour (2) si la position cible n'est pas atteinte et en ce que la position de coupure varie en sens inverse de la rotation du tambour (2) lorsque, dans le sens de la rotation, la position cible est dépassée.
  7. Procédé selon l'une des revendications 1 ou 4 à 6, caractérisé en ce que la valeur de variation de l'angle pour la position de coupure dans le sens de rotation du moteur est inférieure à celle de l'angle acceptable jusqu'à la position cible et en ce que la valeur de la variation de l'angle pour la position de coupure en sens inverse de la rotation du moteur est à peu près aussi grande que celle de l'angle acceptable jus qu'à la position cible.
  8. Procédé selon l'une des revendications précédentes, pour une machine à laver dans laquelle la position cible doit aussi être atteinte lorsqu'il y a de l'eau dans le tambour, caractérisé en ce que une autre position de coupure est prédéterminée, qui devient active lorsque de l'eau se trouve dans le tambour (2) et vers laquelle le tambour (2) continue à tourner dans la position cible.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que la vitesse de rotation du tambour (2) pendant la phase d'entraînement est inférieure à une vitesse d'essorage de la machine à laver.
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que la vitesse de rotation du tambour (2) pendant la phase entraînement est inférieure à une vitesse de lavage de la machine à laver.
EP99125728A 1999-12-23 1999-12-23 Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée Expired - Lifetime EP1111117B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59906202T DE59906202D1 (de) 1999-12-23 1999-12-23 Verfahren zum Positionieren einer Waschtrommel einer Waschmaschine in einer Zielposition
EP99125728A EP1111117B2 (fr) 1999-12-23 1999-12-23 Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée
ES99125728T ES2202999T5 (es) 1999-12-23 1999-12-23 Procedimiento para posicionar un tambor de lavado de una lavadora en una posicion objetivo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99125728A EP1111117B2 (fr) 1999-12-23 1999-12-23 Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée

Publications (3)

Publication Number Publication Date
EP1111117A1 EP1111117A1 (fr) 2001-06-27
EP1111117B1 EP1111117B1 (fr) 2003-07-02
EP1111117B2 true EP1111117B2 (fr) 2008-07-02

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ID=8239698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99125728A Expired - Lifetime EP1111117B2 (fr) 1999-12-23 1999-12-23 Procédé pour positionner le tambour d'une machine à laver dans une position prédéterminée

Country Status (3)

Country Link
EP (1) EP1111117B2 (fr)
DE (1) DE59906202D1 (fr)
ES (1) ES2202999T5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518418A (zh) * 2017-09-18 2019-03-26 青岛海尔洗衣机有限公司 用于顶开式衣物处理设备的内筒位置的微调方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242854B3 (de) * 2002-09-14 2004-07-01 Diehl Ako Stiftung & Co. Kg Verfahren zum gezielten Anhalten der Beschickungsöffnung in der Waschtrommel einer Toplader-Waschmaschine
ATE464420T1 (de) * 2007-01-08 2010-04-15 Electrolux Home Prod Corp Sensorvorrichtung zur bestimmung der winkelposition einer waschtrommel einer waschmaschine
US9416478B2 (en) 2009-03-31 2016-08-16 Lg Electronics Inc. Washing machine and washing method
CN102317533B (zh) 2009-02-11 2014-07-16 Lg电子株式会社 洗涤方法及洗衣机
US9822473B2 (en) 2009-07-27 2017-11-21 Lg Electronics Inc. Control method of a laundry machine
US9234307B2 (en) 2009-07-27 2016-01-12 Lg Electronics Inc. Control method of a laundry machine
US9695537B2 (en) 2009-07-27 2017-07-04 Lg Electronics Inc. Control method of a laundry machine
US10533275B2 (en) 2009-07-27 2020-01-14 Lg Electronics Inc. Control method of a laundry machine
WO2011019196A2 (fr) * 2009-08-11 2011-02-17 Lg Electronics Inc. Procédé de commande de lave-linge
US8776297B2 (en) 2009-10-13 2014-07-15 Lg Electronics Inc. Laundry treating apparatus and method
WO2020083078A1 (fr) * 2018-10-23 2020-04-30 青岛海尔滚筒洗衣机有限公司 Machine à laver à tambour
CN112779719A (zh) * 2019-11-01 2021-05-11 佛山市云米电器科技有限公司 一种洗衣机的减速方法、系统、存储介质及洗衣机

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DE3623059A1 (de) * 1986-07-09 1988-01-21 Bosch Siemens Hausgeraete Einrichtung zum bewegen der trommel einer waeschebehandlungsmaschine in beschickungsstellung
DE3707218A1 (de) * 1987-03-06 1988-09-15 Licentia Gmbh Verfahren zum positionieren der waeschetrommel einer mantelbeschickbaren trommelwaschmaschine
ES2026381A6 (es) * 1989-11-28 1992-04-16 Bosch Siemens Hausgeraete Lavadora de tambor con carga por la cubierta.
FR2656010B1 (fr) * 1989-12-15 1992-02-28 Ciapem Procede d'arret d'un tambour d'un lave-linge mettant le portillon du tambour en vis-a-vis de la porte du lave-linge et lave-linge mettant en óoeuvre un tel procede.
FR2726407B1 (fr) * 1994-10-26 1996-11-29 Ciapem Dispositif d'arret positionne du tambour d'un lave-linge ou seche-linge
FR2736943B1 (fr) * 1995-07-21 1997-08-22 Esswein Sa Procede de positionnement a l'arret d'une piece rotative mue par un moteur universel, en particulier du tambour d'une machine a laver a chargement par le dessus, et dispositif de mise en oeuvre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109518418A (zh) * 2017-09-18 2019-03-26 青岛海尔洗衣机有限公司 用于顶开式衣物处理设备的内筒位置的微调方法

Also Published As

Publication number Publication date
EP1111117B1 (fr) 2003-07-02
DE59906202D1 (de) 2003-08-07
EP1111117A1 (fr) 2001-06-27
ES2202999T5 (es) 2008-12-16
ES2202999T3 (es) 2004-04-01

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