EP1253233B1 - Procédé pour contrôler des programmes de lavage d'une machine à laver avec récipient de lavage en plastique - Google Patents

Procédé pour contrôler des programmes de lavage d'une machine à laver avec récipient de lavage en plastique Download PDF

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Publication number
EP1253233B1
EP1253233B1 EP02008560A EP02008560A EP1253233B1 EP 1253233 B1 EP1253233 B1 EP 1253233B1 EP 02008560 A EP02008560 A EP 02008560A EP 02008560 A EP02008560 A EP 02008560A EP 1253233 B1 EP1253233 B1 EP 1253233B1
Authority
EP
European Patent Office
Prior art keywords
washing
temperature
program
liquid container
washing 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
EP02008560A
Other languages
German (de)
English (en)
Other versions
EP1253233A2 (fr
EP1253233A3 (fr
Inventor
Wolfgang Hellhake
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1253233A2 publication Critical patent/EP1253233A2/fr
Publication of EP1253233A3 publication Critical patent/EP1253233A3/fr
Application granted granted Critical
Publication of EP1253233B1 publication Critical patent/EP1253233B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • D06F37/26—Casings; Tubs
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/262—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
    • 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 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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

Definitions

  • the invention relates to a method for controlling the washing program of a washing machine with a manufactured in an injection molding plastic tub, with a rotatably mounted therein drum, which is driven by a motor with different washing and spin speeds, and with a control device for specifying the engine speeds and other program parameters. Moreover, the invention relates to a washing machine for carrying out such a method.
  • washing tubs and washing dryers increasingly use plastic tubs.
  • washing machines are known for example from DE 298 21 140 U1. It is also known to arrange for washing machines within the tub temperature sensors for controlling the wash liquor temperature
  • JP 04285591 A Patent Abstracts of Japan
  • a washing machine with a vertically rotatable drum within a container in which the drum is to be protected against deformation.
  • the rotating drum used in this washing machine can be softened by the action of hot water, causing it to deform during spinning. This is prevented by stopping the spinning process when the water temperature or drum temperature is exceeded.
  • JP 04117998 A Patent Abstracts of Japan
  • a washing machine with a horizontally rotatable drum within a container in which the drum is to be protected from deformation.
  • the rotating drum used in this washing machine can be softened by the action of hot water, causing it to deform during spinning. If the drum temperature is too high, the drum will be cooled by supplied air, slowly rotating the drum during cooling. After falling below the limit for the drum temperature of the spinning process is continued.
  • US Pat. No. 5,394,582 discloses a method for heating laundry in a washing machine, in which a plurality of sensors for detecting the liquor temperature or the heater temperature are evaluated. Here, the laundry and heater is protected from overheating.
  • Japanese Patent Application JP 2000279684 A discloses a washer-dryer with a drum rotating about a vertical axis, in which Ge Damage to the laundry during the drying process can be avoided.
  • the heated air is adjusted to its temperature by a control unit so that a specified value is maintained.
  • the low-priced materials used in plastic tubs allow only a limited load during spin, which, if exceeded, leads to permanent damage. This is especially true for mechanically heavily loaded areas, such as the back of the tub, in particular the transition from an injected bearing hub to the plastic or the connecting seam of two tub container halves.
  • the operating limits depend on the one hand on material parameters and the tub geometry. An influence of these sizes by larger wall thicknesses or higher value plastic would lead to rising costs and other functional disadvantages, such.
  • the invention thus raises the problem to disclose a method for controlling the washing program of a washing machine of the type mentioned, in which the restrictions imposed by the load limit of the tub material are minimized without changing the component geometry.
  • the material temperature is primarily influenced by the temperature of the wash liquor, the ambient temperature, the program duration, the frequency of use, the drum heater warming, the amount of water and the material heating due to mechanical stress, and today because of the low level of contamination the laundry washing programs are carried out with ever lower time and lye temperature specifications by the user, only extreme conditions (high material temperature and simultaneous high mechanical load) must be prevented.
  • a washing machine for carrying out the method according to the invention has a plastic tub produced in an injection molding process.
  • a drum for receiving laundry is rotatably mounted and is driven by a motor with different washing and spinning speeds.
  • the washing machine has a control device for specifying the engine speeds and other program parameters.
  • Such a washing machine is known for example from the aforementioned DE 298 21 140 U1 and therefore not shown by drawings or described in more detail.
  • Proposed is a direct or indirect temperature monitoring of particularly contaminated points of a plastic tub to reduce the occurrence of critical conditions (excessive material temperatures), the load or the temperature and thus to protect the tub. This can basically be done in two ways:
  • the particularly stressed and endangered points of a plastic tote container are determined.
  • a temperature-measuring sensor is mounted whose signal is detected and evaluated by a measuring and control unit.
  • changes are made in the washing process which leave the component temperature within the permissible range. Variations of this type may include speed reduction, program shortening, wash redistribution, fresh water feed, liquor temperature limit, and the like. ⁇ ., Which then leads simultaneously to a lower temperature or a lower temperature rise rate.
  • One or more sensors can also be placed elsewhere in the tub if the measurements allow reliable conclusions about the temperatures at the critical points.

Landscapes

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

Claims (4)

  1. Procédé pour commander le programme de lavage d'une machine à laver avec une cuve en plastique réalisée par moulage par injection, avec un tambour monté tournant dedans qui est entraîné par un moteur à différentes vitesses de lavage et d'essorage, et avec un dispositif de commande pour définir les vitesses de rotation du moteur et d'autres paramètres de programme,
    caractérisé par le fait
    que le dispositif de commande détermine pour des emplacements de la cuve fortement sollicités mécaniquement une valeur de charge de température par mesure directe de la température au moyen de capteurs disposés sur ou dans la paroi de la cuve et, en cas de dépassement d'une valeur limite définie, exécute au moins une mesure de réduction de la charge telle qu'une réduction de la vitesse d'essorage, un raccourcissement de la durée du programme, un refroidissement par amenée d'eau froide, une limitation de la température de la lessive ou un abaissement des seuils de balourd ou une redistribution du linge dans le sous-programme d'essorage.
  2. Procédé pour commander le programme de lavage d'une machine à laver selon la revendication 1, avec au moins un autre capteur de température pour surveiller le liquide se trouvant dans la cuve (capteur de température de lessive) disposé dans la cuve,
    caractérisé par le fait
    que le dispositif de commande effectue au début d'un programme de lavage un contrôle des capteurs par comparaison de leurs valeurs mesurées avec les valeurs mesurées par l'autre capteur de température.
  3. Machine à laver avec une cuve en plastique réalisée par moulage par injection, avec un tambour monté tournant dedans qui est entraîné par un moteur à différentes vitesses de lavage et d'essorage, et avec un dispositif de commande pour définir les vitesses de rotation du moteur et d'autres paramètres de programme pour la réalisation du procédé selon la revendication 1 ou 2,
    caractérisé par le fait
    qu'au moins un capteur est disposé à un emplacement de la cuve fortement sollicité mécaniquement pour surveiller sa température, au moyen duquel /desquels le dispositif de commande détermine une valeur de charge de température pour les emplacements fortement sollicités mécaniquement et, en cas de dépassement d'une valeur limite définie, exécute une mesure de réduction de la charge.
  4. Procédé pour commander le programme de lavage d'une machine à laver avec une cuve en plastique réalisée par moulage par injection, avec un tambour monté tournant dedans qui est entraîné par un moteur à différentes vitesses de lavage et d'essorage, et avec un dispositif de commande pour définir les vitesses de rotation du moteur et d'autres paramètres de programme,
    caractérisé par le fait
    que le dispositif de commande détermine pour des emplacements de la cuve fortement sollicités mécaniquement une valeur de charge de température par calcul à partir des données du processus de lavage, de la température ambiante, des données du matériau et de la géométrie des composants avec des capteurs présent dans le lave-linge et, en cas de dépassement d'une valeur limite définie, exécute au moins une mesure de réduction de la charge telle qu'une réduction de la vitesse d'essorage, un raccourcissement de la durée du programme, un refroidissement par amenée d'eau froide, une limitation de la température de la lessive ou un abaissement des seuils de balourd ou une redistribution du linge dans le sous-programme d'essorage.
EP02008560A 2001-04-24 2002-04-16 Procédé pour contrôler des programmes de lavage d'une machine à laver avec récipient de lavage en plastique Expired - Lifetime EP1253233B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10120199 2001-04-24
DE10120199A DE10120199B4 (de) 2001-04-24 2001-04-24 Verfahren zur Steuerung des Waschprogramms einer Waschmaschine mit einem Kunstoff-Laugenbehälter

Publications (3)

Publication Number Publication Date
EP1253233A2 EP1253233A2 (fr) 2002-10-30
EP1253233A3 EP1253233A3 (fr) 2003-10-15
EP1253233B1 true EP1253233B1 (fr) 2006-05-10

Family

ID=7682632

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02008560A Expired - Lifetime EP1253233B1 (fr) 2001-04-24 2002-04-16 Procédé pour contrôler des programmes de lavage d'une machine à laver avec récipient de lavage en plastique

Country Status (4)

Country Link
EP (1) EP1253233B1 (fr)
AT (1) ATE325915T1 (fr)
DE (2) DE10120199B4 (fr)
ES (1) ES2259349T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008051946A1 (de) * 2008-10-16 2010-04-22 Aksys Gmbh Verfahren zur Herstellung eines wenigstens ein Einlegeteil enthaltenden Kunststoff-Formteils, Anlage zur Herstellung eines derartigen Kunststoff-Formteils und ein derartiges Kunststoff-Formteil
DE102010062924A1 (de) * 2010-12-13 2012-06-14 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät und Verfahren zum Betreiben des Haushaltsgeräts
DE102010063134B4 (de) * 2010-12-15 2024-01-04 BSH Hausgeräte GmbH Verfahren zum Betreiben eines Haushaltsgeräts und Haushaltsgerät
DE102014220350A1 (de) * 2014-10-08 2016-04-14 BSH Hausgeräte GmbH Wäschepflegegerät
DE102015107689A1 (de) * 2015-05-18 2016-11-24 Miele & Cie. Kg Verfahren zum Steuern einer Drehzahl einer Waschtrommel einer Waschmaschine, Steuergerät und Waschmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04117998A (ja) * 1990-09-07 1992-04-17 Sanyo Electric Co Ltd 洗濯機
JPH04285591A (ja) * 1991-03-13 1992-10-09 Toshiba Corp 脱水兼用洗濯機
KR930008226A (ko) * 1991-10-19 1993-05-21 강진구 삶는 세탁기의 안전장치
IT245289Y1 (it) * 1998-01-20 2002-03-20 Electrolux Zanussi Elettrodome Vasca in plastica perfezionata per macchina lavabiancheriae simili
JP2000279684A (ja) * 1999-03-31 2000-10-10 Nippon Kentetsu Co Ltd 洗濯乾燥機の運転制御方法
DE10116127A1 (de) * 2001-03-30 2002-10-24 Aeg Hausgeraete Gmbh Verfahren zum Betrieb eines Haushaltsgeräts

Also Published As

Publication number Publication date
ATE325915T1 (de) 2006-06-15
ES2259349T3 (es) 2006-10-01
EP1253233A2 (fr) 2002-10-30
DE50206721D1 (de) 2006-06-14
DE10120199B4 (de) 2005-11-03
DE10120199A1 (de) 2002-11-14
EP1253233A3 (fr) 2003-10-15

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