EP2010705B1 - Machine a laver et/ou seche-linge - Google Patents

Machine a laver et/ou seche-linge Download PDF

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Publication number
EP2010705B1
EP2010705B1 EP06725742A EP06725742A EP2010705B1 EP 2010705 B1 EP2010705 B1 EP 2010705B1 EP 06725742 A EP06725742 A EP 06725742A EP 06725742 A EP06725742 A EP 06725742A EP 2010705 B1 EP2010705 B1 EP 2010705B1
Authority
EP
European Patent Office
Prior art keywords
laundry
drum
drum shaft
magnetic field
machine
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
EP06725742A
Other languages
German (de)
English (en)
Other versions
EP2010705A1 (fr
Inventor
Rainer Jurmann
Harald MOSCHÜTZ
Uwe Ratfisch
Mark Sauer
Horst Wiemer
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
Priority to PL06725742T priority Critical patent/PL2010705T3/pl
Publication of EP2010705A1 publication Critical patent/EP2010705A1/fr
Application granted granted Critical
Publication of EP2010705B1 publication Critical patent/EP2010705B1/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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/16—Imbalance
    • 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
    • D06F2103/24—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
    • D06F2103/26—Imbalance; Noise level

Definitions

  • From the DE 100 22 609 C2 is a method for limiting the imbalance of a washing unit of a washing machine and an apparatus for performing the method to be taken as known.
  • several sensors are distributed to determine a occurring during the washing process by a moving laundry drum imbalance on the circumference of a tub of the washing machine. These sensors detect the unbalance-induced deflections of the tub as well as the phase shifts between the unbalance deflections. Depending on the detected Deflection values are introduced measures to limit the imbalance.
  • acceleration sensors, optical and / or electromechanical displacement sensors can be used as sensors.
  • a washing machine and a sensor arrangement for determining a laundry imbalance is also off EP 856 604 A2 known, wherein for detecting the position of the imbalance, a magnetic sensor unit, namely a Hall sensor, is used.
  • a magnetic sensor unit namely a Hall sensor
  • Another measuring device of a washing machine is in WO 2005/059492 A1 disclosed. This measuring device comprises a magnetic field sensor unit for determining rotational parameters.
  • the machine according to the invention is in particular a washing machine according to the front loader principle, meaning a washing machine with a laundry drum rotatably mounted about a horizontal axis or a slightly inclined axis relative to a horizontal axis, which can be filled with laundry from the front.
  • tumble dryer or any other machinery for the treatment of garments where there is the possibility of imbalance caused by imbalance, especially during spin phases. Therefore, the invention relates not only to working on the front loader washing machines, but means all trained with a drum shaft for driving a laundry drum machines for washing and / or drying laundry, so for example washing machines according to the Toplader affinity, which is a top to be filled laundry drum have, working machines or dry cleaning machines.
  • the load-relevant parameters or unbalance parameters on the drum shaft or the laundry drum are first determined via the magnetic field sensor unit and corresponding control and / or control parameters for the current washing process are derived as a function of these parameters.
  • Advantageous embodiments of the device according to the invention are to be regarded as advantageous embodiments of the method according to the invention.
  • the determined force, torque and / or angular speed values can be evaluated in a preferred manner by the control device of the machine. This evaluation allows the immediate derivation of control and regulation parameters and thus targeted intervention in the washing process to limit and / or preventive avoidance of imbalance.
  • the driving torque which is introduced via the pulley 16 in the drum shaft, while the following torques are opposite: moments of inertia in accelerating or delaying the rotational movement of the laundry drum 12, frictional moments due to friction in the bearings 20 and between the laundry drum 12 and the surrounding air or Washing liquid, and with the drum rotation changing torques due to the acceleration of the laundry drum 12 located on the outer circumference of the laundry.
  • the position and size of the imbalance in the washing drum 12 can be determined exactly by the evaluation of the determined load-relevant parameters.
  • By deriving appropriate control and / or regulation parameters a targeted intervention in the washing process to reduce or even completely eliminate the imbalance effect is possible.
  • control device which is connected to the drive of the machine, it is possible, for example, to change the rotational speed or the angular speed of the laundry drum as a function of the control and / or regulation parameters and thus to reduce or completely eliminate an imbalance due to an uneven distribution of the laundry ,

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detergent Compositions (AREA)
  • Testing Of Balance (AREA)

Claims (12)

  1. Machine pour laver et/ou sécher du linge, en particulier selon le principe de chargeur avant, comprenant un arbre de tambour (14) monté de façon rotative au moyen d'un agencement de palier (13) pour l'entraînement d'un tambour de linge (12) et un dispositif pour déterminer des grandeurs caractéristiques importantes au niveau de la charge ou un balourd du tambour à linge (12) ou de l'arbre de tambour (14) sur la base d'une charge de linge, le dispositif pour déterminer des grandeurs caractéristiques importantes au niveau de la charge ou un balourd comprenant au moins une unité de capteur de champ magnétique (22), avec laquelle le champ magnétique d'une zone (24) magnétisée et déplacée avec l'arbre de tambour (14) ou le tambour à linge (12) doit être détecté,
    caractérisée en ce que
    la zone (24) magnétisée est constitué d'un matériau ferromagnétique avec une constante de magnétostriction si élevée que des forces et couples, qui apparaissent dans et sur l'arbre de tambour (14) ou un composant relié à l'arbre de tambour (14), sont transformés par l'effet de la magnétostriction inverse en des variations de grandeur correspondantes facilement détectables, du champ magnétique formé par le matériau.
  2. Machine selon la revendication 1, caractérisée en ce que la zone (24) magnétisée est prévue sur l'arbre de tambour (14) du tambour à linge (12).
  3. Machine selon la revendication 1 ou 2, caractérisée en ce que l'arbre de tambour (12) même est fabriqué au moins par endroits dans un matériau magnétisable, qui forme la zone (24) magnétisée.
  4. Machine selon la revendication 1 ou 2, caractérisée en ce que l'arbre de tambour (12) comprend un composant pouvant être déplacé avec cet arbre, en particulier une partie de douille entourant ce composant sur le pourtour extérieur, laquelle partie est au moins par endroits constituée d'un matériau magnétisable formant la zone (24) magnétisée.
  5. Machine selon la revendication 3 ou 4, caractérisée en ce que le matériau magnétisable est un acier ferromagnétique avec des propriétés magnétostrictives.
  6. Machine selon l'une des revendications précédentes, caractérisée en ce que l'agencement de palier (13) comprend deux paliers (20), entre lesquels l'au moins une unité capteur de champ magnétique (22) est disposée de préférence à une distance au moins approximativement identique des deux paliers (20).
  7. Machine selon l'une des revendications précédentes, caractérisée en ce que l'au moins une unité de capteur de champ magnétique (22) est reliée à un dispositif de commande de la machine, avec lequel le régime ou la vitesse angulaire (w) du tambour à linge (12) doit être réglé.
  8. Machine selon l'une des revendications précédentes, caractérisée en ce qu'au moins une valeur de paramètre dynamique, en particulier un couple de rotation et/ou un couple de torsion (MUG) et/ou couple de flexion (MUF) s'appliquant sur l'arbre de tambour (12) et/ou les forces de flexion dynamiques (FUF) et/ou la vitesse angulaire (w) de l'arbre de tambour (14) doit être déterminé au moyen de l'au moins une unité de capteur de champ magnétique (22).
  9. Machine selon l'une des revendications précédentes, caractérisée en ce qu'au moins une valeur de paramètre statique, en particulier une force de flexion (FT, FR, FW) et/ou un couple de flexion (MT, MR) statique, apparaissant sur l'arbre de tambour (14), doit être déterminé au moyen de l'au moins une unité de capteur de champ magnétique.
  10. Procédé pour déterminer et traiter des grandeurs caractéristiques importantes au niveau de la charge ou des paramètres de balourd d'un tambour à linge (12) ou d'un arbre de tambour (14) d'une machine pour laver et/ou sécher du linge sur la base d'une charge de linge, en particulier selon les revendications 1 à 9, comprenant les étapes suivantes :
    a) détermination des grandeurs caractéristiques importantes au niveau de la charge ou des paramètres de balourd au moyen d'au moins une unité de capteur de champ magnétique (22), avec laquelle le champ magnétique d'une zone (24) magnétisée, déplacée avec l'arbre de tambour (14) ou le tambour à linge (12), est détecté ;
    b) déduction de paramètres de commande importants au niveau de la charge et/ou de réglage de la machine en fonction des grandeurs caractéristiques ou des paramètres de balourd, déterminés par l'unité de capteur de champ magnétique (22),
    caractérisé en ce que
    le champ magnétique est formé par un matériau ferromagnétique avec une constante de magnétostriction si élevée que des forces et couples, qui apparaissent dans et sur l'arbre de tambour (14) ou un composant relié à l'arbre de tambour (14), sont transformés par l'effet de la magnétostriction inverse en variations de grandeur correspondante, facilement détectables, du champ magnétique formé par le matériau.
  11. Procédé selon la revendication 10, caractérisé en ce que, à l'étape a), un couple de rotation et/ou de torsion (MUG) et/ou un couple de flexion (MUF, MT, MR) et/ou au moins une force de flexion (FUF, FT, FR, FW) et/ou la vitesse angulaire (w) de l'arbre de tambour et/ou du tambour à linge (14) est déterminé au moyen de l'unité de capteur de champ magnétique (22).
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que la déduction des paramètres de commande et/ou de réglage est effectuée à l'étape b) par un dispositif de commande de la machine.
EP06725742A 2006-04-13 2006-04-13 Machine a laver et/ou seche-linge Expired - Lifetime EP2010705B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06725742T PL2010705T3 (pl) 2006-04-13 2006-04-13 Maszyna do prania i/lub suszenia bielizny

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/061570 WO2007118512A1 (fr) 2006-04-13 2006-04-13 MACHINE à laver et/ou séche-linge

Publications (2)

Publication Number Publication Date
EP2010705A1 EP2010705A1 (fr) 2009-01-07
EP2010705B1 true EP2010705B1 (fr) 2012-03-07

Family

ID=37021453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06725742A Expired - Lifetime EP2010705B1 (fr) 2006-04-13 2006-04-13 Machine a laver et/ou seche-linge

Country Status (6)

Country Link
US (1) US8250690B2 (fr)
EP (1) EP2010705B1 (fr)
CN (1) CN101415876B (fr)
AT (1) ATE548494T1 (fr)
PL (1) PL2010705T3 (fr)
WO (1) WO2007118512A1 (fr)

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DE202007002626U1 (de) * 2007-02-22 2007-04-19 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsgerät
DE102008021598A1 (de) 2008-04-30 2009-11-05 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrocknungsgerät und Verfahren zur Steuerung eines Trocknungsvorgangs des Wäschetrocknungsgeräts
DE102010002048A1 (de) * 2010-02-17 2011-08-18 BSH Bosch und Siemens Hausgeräte GmbH, 81739 Verfahren zur Einstellung einer Schleuderdrehzahl einer Trommel eines Hausgeräts zur Pflege von Wäschestücken
US9267225B2 (en) * 2011-12-22 2016-02-23 Whirlpool Corporation Method of estimating bending moment of a laundry treating appliance drum shaft using a proximity sensor
EP2666899A1 (fr) * 2012-05-22 2013-11-27 Whirlpool Corporation Procédé permettant de détecter la fin de cycle d'un machine à tambour rotatif
US8875332B2 (en) * 2012-07-10 2014-11-04 Whirlpool Corporation Laundry treating appliance and method of operation
DE102013201654A1 (de) * 2013-01-31 2014-07-31 BSH Bosch und Siemens Hausgeräte GmbH Trockner mit Vorrichtung zur Kontrolle der Trommelbewegung und Verfahren zu seinem Betrieb
US20150284895A1 (en) * 2014-04-07 2015-10-08 General Electric Company Impulse used to detect periodic speed variation caused by unbalanced loads in washing machine
US9988751B2 (en) 2015-07-29 2018-06-05 Whirlpool Corporation Laundry treating appliance and methods of reducing tub contact therein
US10273621B2 (en) 2015-10-01 2019-04-30 Whirlpool Corporation Laundry treating appliance and methods of operation
DE102015220461A1 (de) * 2015-10-21 2017-04-27 BSH Hausgeräte GmbH Verfahren zum Betreiben eines Haushaltsgeräts mit Erkennung einer Schwingung einer Lagereinrichtung sowie Haushaltsgerät
US10041202B2 (en) 2015-11-19 2018-08-07 Whirlpool Corporation Laundry treating appliance and methods of operation
US9863080B2 (en) 2015-11-19 2018-01-09 Whirlpool Corporation Laundry treating appliance and methods of operation
US9890490B2 (en) 2015-11-19 2018-02-13 Whirlpool Corporation Laundry treating appliance and methods of operation
US9885135B2 (en) 2015-11-19 2018-02-06 Whirlpool Corporation Laundry treating appliance and methods of operation
US9988753B2 (en) 2015-11-19 2018-06-05 Whirlpool Corporation Laundry treating appliance and methods of operation
US9873968B2 (en) 2015-11-19 2018-01-23 Whirlpool Corporation Laundry treating appliance and methods of operation
DE102017121862A1 (de) 2017-07-14 2018-08-16 Schaeffler Technologies AG & Co. KG Wälzlager zur Lagerung einer Waschmaschinentrommel
DE102018203587A1 (de) * 2018-03-09 2019-09-12 Henkel Ag & Co. Kgaa Vorrichtung mit Ausgabemodul und/oder Sensormodul
CN112726116B (zh) * 2020-12-23 2021-12-21 珠海格力电器股份有限公司 一种洗衣机及称重方法

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DE19804080B4 (de) * 1998-02-03 2005-07-21 AEG Hausgeräte GmbH Verfahren zum Umverteilen von in eine Trommel in einer Waschmaschine eingebrachter Wäsche
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EP2508859A1 (fr) 2003-12-15 2012-10-10 Aktiebolaget SKF Dispositif de mesure de charge sur un palier, palier à roulement à dispositif de mesure de charge et machine à tambour rotatif
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Also Published As

Publication number Publication date
EP2010705A1 (fr) 2009-01-07
PL2010705T3 (pl) 2012-08-31
CN101415876B (zh) 2012-08-08
WO2007118512A1 (fr) 2007-10-25
CN101415876A (zh) 2009-04-22
ATE548494T1 (de) 2012-03-15
US20100251778A1 (en) 2010-10-07
US8250690B2 (en) 2012-08-28

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