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EP1154064B2 - Procédé pour limiter le balourd dans une machine à laver le linge - Google Patents
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EP1154064B2 - Procédé pour limiter le balourd dans une machine à laver le linge - Google Patents

Procédé pour limiter le balourd dans une machine à laver le linge Download PDF

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Publication number
EP1154064B2
EP1154064B2 EP01104871A EP01104871A EP1154064B2 EP 1154064 B2 EP1154064 B2 EP 1154064B2 EP 01104871 A EP01104871 A EP 01104871A EP 01104871 A EP01104871 A EP 01104871A EP 1154064 B2 EP1154064 B2 EP 1154064B2
Authority
EP
European Patent Office
Prior art keywords
sensors
displacements
imbalance
laundry drum
rotary axis
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
EP01104871A
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German (de)
English (en)
Other versions
EP1154064A2 (fr
EP1154064A3 (fr
EP1154064B1 (fr
Inventor
Reinhold c/o Whirlpool Europe s.r.l. Pöhler
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.)
Whirlpool Corp
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Whirlpool Corp
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7641340&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1154064(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Whirlpool Corp filed Critical Whirlpool Corp
Publication of EP1154064A2 publication Critical patent/EP1154064A2/fr
Publication of EP1154064A3 publication Critical patent/EP1154064A3/fr
Application granted granted Critical
Publication of EP1154064B1 publication Critical patent/EP1154064B1/fr
Publication of EP1154064B2 publication Critical patent/EP1154064B2/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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/48—Preventing or reducing imbalance or noise
    • 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
    • D06F2103/26—Imbalance; Noise level

Definitions

  • the invention concerns a method for limiting the imbalance of a washing unit of a clothes washer that has a laundry drum rotatably mounted in a tub of a clothes washer and is suspended to permit oscillation with springs, weights for inertia, vibration dampers and a drive motor in the machine housing.
  • Several sensors distributed on the perimeter of the tub detect the displacements due to imbalance in the spin cycle in relation to the machine housing and independently undertake compensatory measures.
  • the washing unit suspended in the machine housing to permit oscillation allows clothes washers to spin imbalanced laundry loads by using the detected imbalance to influence the spin cycle and protect the washing unit from mechanical damage and overloading.
  • vibration systems that are not parallel to the rotary axis can generate dominant displacements of the washing unit that not only prevent the efficient spinning of laundry but also can damage the washing unit despite the normal, prior-art imbalance system.
  • different displacements arise perpendicular to the rotary axis that can also be of varying size in the lengthwise direction of the rotary axis.
  • the displacement can be parallel to the rotary axis and phase shifted at both ends of the laundry drum, i.e., partially to completely reversed. Such irregularities arise in particular when the laundry drum holds just individual or a few pieces of laundry.
  • the problem of the invention is to create a method for limiting all arising imbalances of a clothes washer with a washing unit of the initially-cited kind by changing the spin cycle to prevent damage and the machine parts from overloading.
  • sensors are provided that detect the displacements perpendicular and/or parallel to the rotary axis of the laundry drum and phase shifts between displacements.
  • Control and/or regulating parameters can be supplied to the spin cycle depending on the detected displacements and phase shifts as well as the speed of the laundry drum or the drive motor.
  • This embodiment of the invention has a path-limiting and speed-limiting system that describes the mechanical load of the washing unit caused by the actual imbalance. You only need to determine the measuring point with the largest displacement path upon a change in the spin cycle in relation to the rotational speed, i.e. rotational frequency, to influence the spin cycle with the control and/or regulating parameters.
  • the displacement paths to be measured are larger, and less sensitive sensors can be used. This is also the case when the sensors are at a great distance from the rotary axis, preferably on the perimeter of the washing unit and/or diametrically opposed to each other.
  • the direction of the displacements caused by an imbalance can be more precisely determined by also measuring the phase position of the detected displacement paths and deriving the displacement of the washing unit in the axial direction of the washing unit from the relationship between the detected displacement paths perpendicular to the rotary access and the phase shifts between them; this allows the control and/or regulating parameters for the spin cycle to be determined.
  • the device can be simplified when one sensor measures the displacement path perpendicular to the rotary axis, while the other sensor measures the displacement path parallel to the rotary axis.
  • Acceleration sensors, optical and/or electromechanical position sensors can be advantageously used.
  • a tub 2 that contains a laundry drum 12 is arranged in a machine housing 1.
  • Weights providing inertia 3 designed as ring weights are on the tub 2.
  • the laundry drum 12 is rotatably mounted in the rear mount 11 that is in the rear of the machine housing 1.
  • the rear mount 11 and the electric motor serving as the drive motor 5 coupled via a belt 13 to the belt pulley 9 of the rotary axis 8 act as weights providing inertia.
  • the laundry drum 2 is loaded with laundry 10 from the door 4 in the front of housing 1.
  • the door 4 is a component of the machine housing 1.
  • the tub 2, the laundry drum 12 and the inertia-providing weight form a washing unit WE together with the springs 7 and the vibration dampers 6 that is suspended in the machine housing 1 so as to permit oscillation; it can be displaced both radially and axially in relation to the rotary axis 8 depending on the load of the laundry drum 12.
  • the washing drum 12 is approximately evenly loaded with laundry 10
  • the laundry 10 forms a kind of laundry ring as illustrated in Fig. 1 and 2 .
  • this ideal distribution of laundry seldom occurs.
  • loads are small, there is an uneven distribution in reference to the rotary axis 8 that leads to imbalances.
  • the imbalance can arise in the front, middle, and rear of the laundry drum 12 and assume one or more positions that may be diametrically opposed to each other.
  • the size of the radial displacement along the rotary axis 8 can vary. It can be an axially parallel, dominant displacement, and the front and rear of the rotary axis 8 can have equal or unequal displacements with a phase shift.
  • These displacements that are perpendicular and parallel to the rotary axis 8 are detected by sensors 14 as shown in Fig. 1 and 2 on the front and rear of the washing unit WE placed diametrically opposed across the periphery of the washing unit WE.
  • the displacement paths are the largest here so that insensitive sensors 14 can be used.
  • the axial displacement paths of the washing unit WE are detected with two sensors 14, and the higher displacement value and speed of the laundry drum 12 or drive motor 5 are used to change the spin cycle.
  • a characteristic can be stipulated using the measured imbalance and/or phase shift along with a speed of the laundry drum or the electronic motor to reliably prevent overloading the washing unit in the spin cycle independent of the load in the laundry drum 12 and the arising imbalance.

Landscapes

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

Claims (7)

  1. Procédé pour limiter le balourd d'une unité de lavage (WE) d'une machine à laver le linge qui possède un tambour de lavage (12) monté de manière rotative dans une cuve (2) et est suspendue dans la carcasse (1) de la machine pour permettre l'oscillation avec des ressorts (7), des poids (3) proposant l'inertie, des amortisseurs de vibrations (6) et un moteur d'entraînement (5), moyennant quoi plusieurs capteurs (14) réparties sur le périmètre d'une cuve (2) détectent les déplacements dus au balourd dans le cycle d'essorage et prennent les contre-mesures relatives pour limiter l'occurrence des trajectoires et des forces, caractérisé en ce que:
    Les capteurs (14) détectent les dèplacements ainsi que les déphasages entre les déplacements perpendiculaires et parallèles par rapport à l'axe de rotation (8) du tambour de lavage (12), et
    des paramètres de commande et/ou de réglage pour le cycle d'essorage sont calculés selon les déplacements et les déphasages détectés ainsi que la vitesse du tambour de lavage (12) et du moteur d'entraînement (5).
  2. Procédé pour limiter le balourd d'une unité de lavage (WE) d'une machine à laver le linge qui possède un tambour de lavage (12) monté de manière rotative dans une cuve (2) et est suspendue dans la carcasse (1) de la machine pour permettre l'oscillation avec des ressorts (7), des poids (3) proposant l'inertie, des amortisseurs de vibrations (6) et un moteur d'entraînement (5), moyennant quoi plusieurs capteurs (14) réparties sur le périmètre d'une cuve (2) détectent les déplacements dus au balourd dans le cycle d'essorage et prennent les contre-mesures relatives pour limiter l'occurrence des trajectoires et des forces, caractérisé en ce que:
    Les capteurs (14) détectent les dèplacements ainsi que les déphasages entre les déplacements perpendiculaires et parallèles par rapport à l'axe de rotation (8) du tambour de lavage (12), le déplacement de l'unité de lavage (WE) dans la direction axiale de l'unité de lavage (WE) peut être dérivé de la relation entre les trajectoires de déplacement détectées perpendiculaires à l'axe de rotation (8) et aux déphasages entre eux, et les paramètres de commande et/ou de réglage pour le cycle d'essorage ainsi que la vitesse du tambour de lavage (12) et du moteur d'entraînement (5) peuvent être calculés à partir de cela.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la vitesse du tambour de lavage (12) est limitée par la relation réglée par rapport aux déplacements et/ou aux déphasages.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'on trouve des capteurs (14), de préférence un à l'avant et un à l'arrière de l'unité de lavage (WE) observée dans la direction de la longueur de l'axe de rotation (8).
  5. Procédé selon la revendication 1 ou 4, caractérisé en ce qu'un capteur (14) mesure la trajectoire de déplacement perpendiculaire à l'axe de rotation (8), alors qu'un autre capteur (14) mesure la trajectoire de déplacement parallèle à l'axe de rotation.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que les capteurs (14) se trouvent sur le périmètre de la cuve (2) et diamétralement opposés entre eux.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que des capteurs d'accélération, des capteurs de position optiques et/ou électromécaniques sont utilisés en tant que capteurs (14).
EP01104871A 2000-05-09 2001-02-28 Procédé pour limiter le balourd dans une machine à laver le linge Expired - Lifetime EP1154064B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10022609 2000-05-09
DE10022609A DE10022609C2 (de) 2000-05-09 2000-05-09 Verfahren zur Begrenzung der Unwuchtwirkung einer Wascheinheit einer Waschmaschine und Vorrichtung zur Durchführung des Verfahrens

Publications (4)

Publication Number Publication Date
EP1154064A2 EP1154064A2 (fr) 2001-11-14
EP1154064A3 EP1154064A3 (fr) 2002-10-23
EP1154064B1 EP1154064B1 (fr) 2005-04-27
EP1154064B2 true EP1154064B2 (fr) 2010-06-09

Family

ID=7641340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01104871A Expired - Lifetime EP1154064B2 (fr) 2000-05-09 2001-02-28 Procédé pour limiter le balourd dans une machine à laver le linge

Country Status (3)

Country Link
EP (1) EP1154064B2 (fr)
DE (2) DE10022609C2 (fr)
ES (1) ES2240260T5 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11111619B2 (en) 2019-06-03 2021-09-07 Haier Us Appliance Solutions, Inc. Washing machine appliances and methods for operation

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Publication number Priority date Publication date Assignee Title
ES2226663T5 (es) † 2000-06-30 2008-02-16 Whirlpool Corporation Metodo para detectar y controlar el desequilibrio dinamico en un tambor de una maquina lavadora y maquina lavadora que utiliza dicho metodo.
KR100511289B1 (ko) * 2003-11-27 2005-08-31 엘지전자 주식회사 세탁기의 탈수 운전방법
DE102005037144B4 (de) * 2005-02-18 2007-04-19 Diehl Ako Stiftung & Co. Kg Schwingfähig aufgehängtes Innenaggregat einer Wäschebehandlungsmaschine mit einem Schwingungssensor
PL2010705T3 (pl) * 2006-04-13 2012-08-31 Bsh Hausgeraete Gmbh Maszyna do prania i/lub suszenia bielizny
DE102006023453B4 (de) * 2006-05-18 2021-02-04 BSH Hausgeräte GmbH Verfahren zur Ermittlung bzw. Verringerung einer Unwucht bei einer Maschine zum Waschen und/oder Trocknen von Wäsche
DE102007040081B4 (de) * 2007-08-24 2010-04-08 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Regeln eines mechanischen Bewegungsverhaltens eines bewegbaren Elements eines Hausgeräts und entsprechendes Verfahren
KR101654054B1 (ko) * 2008-12-30 2016-09-05 엘지전자 주식회사 세탁장치
EP2251478B1 (fr) 2009-05-15 2012-10-10 Miele & Cie. KG Lave-linge doté d'un bac à lessive et d'un dispositif de saisie
EP2251476B1 (fr) 2009-05-15 2013-05-15 Miele & Cie. KG Lave-linge doté d'une cuve et d'un dispositif de saisie
DE102009028508A1 (de) * 2009-08-13 2011-02-17 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Ermitteln einer Unwucht bei einer Wäschetrommel einer Waschmaschine und Waschmaschine
DE102009044706B4 (de) 2009-11-30 2015-06-03 Miele & Cie. Kg Waschmaschine mit einem Laugenbehälter und einer Erfassungseinrichtung
DE102010063346A1 (de) * 2010-12-17 2012-06-21 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Steuern eines Schleuderablaufs einer Wäschebehandlungsmaschine sowie Wäschebehandlungsmaschine
JP2012205778A (ja) * 2011-03-30 2012-10-25 Panasonic Corp 脱水装置
EP2508666B1 (fr) 2011-04-06 2014-04-30 Miele & Cie. KG Lave-linge doté d'un bac à lessive et d'un détecteur
EP2666899A1 (fr) 2012-05-22 2013-11-27 Whirlpool Corporation Procédé permettant de détecter la fin de cycle d'un machine à tambour rotatif
KR20160116880A (ko) * 2015-03-31 2016-10-10 엘지전자 주식회사 드럼 세탁기 및 그 제어 방법
US11021825B2 (en) 2018-04-11 2021-06-01 Haier Us Appliance Solutions, Inc. Washing machine appliance with location detection of imbalanced loads
DE102018210562A1 (de) 2018-06-28 2020-01-02 BSH Hausgeräte GmbH Waschmaschine mit Unwuchtausgleichsring
CN113430778B (zh) * 2021-06-02 2022-12-13 四川虹美智能科技有限公司 滚筒洗衣机偏心检测方法、滚筒洗衣机及其控制方法

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JPH06233890A (ja) † 1993-02-08 1994-08-23 Matsushita Electric Ind Co Ltd ドラム式洗濯機
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11111619B2 (en) 2019-06-03 2021-09-07 Haier Us Appliance Solutions, Inc. Washing machine appliances and methods for operation

Also Published As

Publication number Publication date
DE60110306T2 (de) 2006-02-09
DE10022609A1 (de) 2001-11-29
EP1154064A2 (fr) 2001-11-14
DE10022609C2 (de) 2003-11-13
ES2240260T5 (es) 2010-07-15
DE60110306D1 (de) 2005-06-02
ES2240260T3 (es) 2005-10-16
EP1154064A3 (fr) 2002-10-23
EP1154064B1 (fr) 2005-04-27

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