EP1154064A2 - Dispositif pour limiter le balourd dans une machine à laver le linge - Google Patents

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

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Publication number
EP1154064A2
EP1154064A2 EP01104871A EP01104871A EP1154064A2 EP 1154064 A2 EP1154064 A2 EP 1154064A2 EP 01104871 A EP01104871 A EP 01104871A EP 01104871 A EP01104871 A EP 01104871A EP 1154064 A2 EP1154064 A2 EP 1154064A2
Authority
EP
European Patent Office
Prior art keywords
washing unit
sensors
laundry drum
displacements
imbalance
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.)
Granted
Application number
EP01104871A
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German (de)
English (en)
Other versions
EP1154064A3 (fr
EP1154064B2 (fr
EP1154064B1 (fr
Inventor
Reinhold c/o Whirlpool Europe s.r.l. Pöhler
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Whirlpool Corp
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Whirlpool Corp
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Publication date
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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
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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 device to limit 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 device of the initially-cited kind that limits all arising imbalances by changing the spin cycle to prevent damage and the machine parts from overloading.
  • 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.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
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
DE10022609A DE10022609C2 (de) 2000-05-09 2000-05-09 Verfahren zur Begrenzung der Unwuchtwirkung einer Wascheinheit einer Waschmaschine und Vorrichtung zur Durchführung des Verfahrens
DE10022609 2000-05-09

Publications (4)

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

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167609B2 (fr) † 2000-06-30 2007-09-12 Whirlpool Corporation Procédé pour détecter et contrôler le balourd dynamique d'un tambour de machine à laver et machine à laver utilisant un tel procédé
EP1693499A3 (fr) * 2005-02-18 2009-02-11 Diehl AKO Stiftung & Co. KG Ensemble intérieur oscillant suspendu d'une machine à laver, procédé de commande d'une machine de traitement du linge, ainsi que l'utilisation d'un détecteur électronique comme détecteur d'oscillation de l'ensemble intérieur
WO2010077088A3 (fr) * 2008-12-30 2010-12-09 Lg Electronics Inc. Machine à laver
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
US8250690B2 (en) 2006-04-13 2012-08-28 Bsh Bosch Und Siemens Hausgeraete Gmbh Machine for washing and/or drying laundry
CN103080403A (zh) * 2011-03-30 2013-05-01 松下电器产业株式会社 脱水装置
EP2666899A1 (fr) 2012-05-22 2013-11-27 Whirlpool Corporation Procédé permettant de détecter la fin de cycle d'un machine à tambour rotatif
EP3075895A1 (fr) * 2015-03-31 2016-10-05 LG Electronics Inc. Machine à laver à tambour et son procédé de commande
DE102018210562A1 (de) 2018-06-28 2020-01-02 BSH Hausgeräte GmbH Waschmaschine mit Unwuchtausgleichsring
CN113430778A (zh) * 2021-06-02 2021-09-24 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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100511289B1 (ko) * 2003-11-27 2005-08-31 엘지전자 주식회사 세탁기의 탈수 운전방법
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
EP2251476B1 (fr) 2009-05-15 2013-05-15 Miele & Cie. KG Lave-linge doté d'une cuve et d'un dispositif de saisie
ES2393432T3 (es) 2009-05-15 2012-12-21 Miele & Cie. Kg Máquina lavadora con un recipiente de lavado y un equipo de detección
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
ES2467935T3 (es) 2011-04-06 2014-06-13 Miele & Cie. Kg Máquina lavadora con una cubeta para la colada y un equipo de detección
US11021825B2 (en) 2018-04-11 2021-06-01 Haier Us Appliance Solutions, Inc. Washing machine appliance with location detection of imbalanced loads
US11111619B2 (en) 2019-06-03 2021-09-07 Haier Us Appliance Solutions, Inc. Washing machine appliances and methods for operation

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740668C (de) † 1941-11-27 1953-09-21 Siemens Schuckertwerke A G Ber Zum Waschen und Trockenschleudern dienende Waschmaschine
JPH03111096A (ja) * 1989-09-26 1991-05-10 Sharp Corp アンバランス修正装置
DE4201904A1 (de) * 1991-01-26 1992-07-30 Samsung Electronics Co Ltd Schwingungsdaempfungsvorrichtung fuer eine waschmaschine oder dergleichen
JPH06233890A (ja) † 1993-02-08 1994-08-23 Matsushita Electric Ind Co Ltd ドラム式洗濯機
JPH07114875A (ja) † 1993-10-19 1995-05-02 Narita Seisakusho:Kk 蛍光管製造装置
US5561993A (en) † 1995-06-14 1996-10-08 Honeywell Inc. Self balancing rotatable apparatus
EP0856604A2 (fr) * 1997-01-31 1998-08-05 FAGOR, S.Coop Méthode pour l'equilibrage d'une machine a laver
WO1999053130A2 (fr) * 1998-04-14 1999-10-21 Simsek Tugla Systeme d'equilibrage intelligent

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740668C (de) † 1941-11-27 1953-09-21 Siemens Schuckertwerke A G Ber Zum Waschen und Trockenschleudern dienende Waschmaschine
JPH03111096A (ja) * 1989-09-26 1991-05-10 Sharp Corp アンバランス修正装置
DE4201904A1 (de) * 1991-01-26 1992-07-30 Samsung Electronics Co Ltd Schwingungsdaempfungsvorrichtung fuer eine waschmaschine oder dergleichen
JPH06233890A (ja) † 1993-02-08 1994-08-23 Matsushita Electric Ind Co Ltd ドラム式洗濯機
JPH07114875A (ja) † 1993-10-19 1995-05-02 Narita Seisakusho:Kk 蛍光管製造装置
US5561993A (en) † 1995-06-14 1996-10-08 Honeywell Inc. Self balancing rotatable apparatus
EP0856604A2 (fr) * 1997-01-31 1998-08-05 FAGOR, S.Coop Méthode pour l'equilibrage d'une machine a laver
WO1999053130A2 (fr) * 1998-04-14 1999-10-21 Simsek Tugla Systeme d'equilibrage intelligent

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
'Des Ingenieurs Taschenbuch; pages 130-133, 566-569, 1448-1449', 1955 †
DUBBEL: 'Taschenbuch für den Maschinenbau', ISBN 354052381217 page 016-017 †
PATENT ABSTRACTS OF JAPAN vol. 015, no. 302 (C-0855), 2 August 1991 (1991-08-02) -& JP 03 111096 A (SHARP CORP), 10 May 1991 (1991-05-10) *
Print out of: "Direct and Indirect Out - of - Balance of Future Generation Washing Machines" by Christophe Lemaire, presented at: 1999 Appliance Manufacturer Conference & Espo, September 27-29", retrieved from www.analog.com under "technical article" †

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167609B2 (fr) † 2000-06-30 2007-09-12 Whirlpool Corporation Procédé pour détecter et contrôler le balourd dynamique d'un tambour de machine à laver et machine à laver utilisant un tel procédé
EP1693499A3 (fr) * 2005-02-18 2009-02-11 Diehl AKO Stiftung & Co. KG Ensemble intérieur oscillant suspendu d'une machine à laver, procédé de commande d'une machine de traitement du linge, ainsi que l'utilisation d'un détecteur électronique comme détecteur d'oscillation de l'ensemble intérieur
US8250690B2 (en) 2006-04-13 2012-08-28 Bsh Bosch Und Siemens Hausgeraete Gmbh Machine for washing and/or drying laundry
US9127397B2 (en) 2008-12-30 2015-09-08 Lg Electronics Inc. Washing machine having suspension mounted motor
WO2010077088A3 (fr) * 2008-12-30 2010-12-09 Lg Electronics Inc. Machine à laver
CN102292492B (zh) * 2008-12-30 2013-03-27 Lg电子株式会社 洗衣机
RU2497991C2 (ru) * 2008-12-30 2013-11-10 Эл Джи Электроникс Инк. Стиральная машина
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
CN103080403A (zh) * 2011-03-30 2013-05-01 松下电器产业株式会社 脱水装置
CN103080403B (zh) * 2011-03-30 2015-07-01 松下电器产业株式会社 脱水装置
EP2666899A1 (fr) 2012-05-22 2013-11-27 Whirlpool Corporation Procédé permettant de détecter la fin de cycle d'un machine à tambour rotatif
EP3075895A1 (fr) * 2015-03-31 2016-10-05 LG Electronics Inc. Machine à laver à tambour et son procédé de commande
DE102018210562A1 (de) 2018-06-28 2020-01-02 BSH Hausgeräte GmbH Waschmaschine mit Unwuchtausgleichsring
CN113430778A (zh) * 2021-06-02 2021-09-24 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
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

Also Published As

Publication number Publication date
DE60110306T2 (de) 2006-02-09
ES2240260T3 (es) 2005-10-16
EP1154064A3 (fr) 2002-10-23
DE60110306D1 (de) 2005-06-02
DE10022609C2 (de) 2003-11-13
ES2240260T5 (es) 2010-07-15
EP1154064B2 (fr) 2010-06-09
DE10022609A1 (de) 2001-11-29
EP1154064B1 (fr) 2005-04-27

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