EP1527224A1 - Procede pour eliminer de la mousse dans le reservoir a lessive d'une machine a laver a tambour - Google Patents

Procede pour eliminer de la mousse dans le reservoir a lessive d'une machine a laver a tambour

Info

Publication number
EP1527224A1
EP1527224A1 EP03735691A EP03735691A EP1527224A1 EP 1527224 A1 EP1527224 A1 EP 1527224A1 EP 03735691 A EP03735691 A EP 03735691A EP 03735691 A EP03735691 A EP 03735691A EP 1527224 A1 EP1527224 A1 EP 1527224A1
Authority
EP
European Patent Office
Prior art keywords
foam
tub
component
measure
drum
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
EP03735691A
Other languages
German (de)
English (en)
Other versions
EP1527224B1 (fr
Inventor
Gundula Czyzewski
Ingo Schulze
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
Publication of EP1527224A1 publication Critical patent/EP1527224A1/fr
Application granted granted Critical
Publication of EP1527224B1 publication Critical patent/EP1527224B1/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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/06—Arrangements for preventing or destroying scum
    • 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 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • 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
    • D06F34/08—Control circuits or arrangements thereof
    • 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
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D06F34/24—Liquid 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices
    • 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
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • D06F2105/02—Water supply
    • D06F2105/04—Water supply from separate hot and cold water inlets
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed

Definitions

  • the invention relates to a method for removing foam in a tub of an electronically controlled drum washing machine as a result of a program step, which is provided for dewatering the tub, with a tub drain system arranged on the bottom of the tub with a tub pump and with a sensor for determining the level of the tub liquid, the sensor signal is recorded during the operation of the drain pump.
  • the invention has for its object to provide measures for removing foam in the drain system, which arises especially during the removal of the alkali from the tub and especially when pumping or during the spin operation of the laundry drum. Above all, these measures should not require any additional effort.
  • this object is achieved in that the course of the sensor signal contains a component that detects the presence of foam in the measurement area, and that, in the presence of the component, a foam treatment measure that is matched to the type of component is initiated. Since a level sensor for determining the level of the liquid in the tub must be present anyway, no additional expenditure on measuring equipment is required. The detection of the component, the presence of which indicates the presence of foam, can be implemented with an insignificant amount of software in the electronic control of the washing machine.
  • the component is a specific change in the gradient of the sensor signal.
  • the course of the sensor signal from a level sensor contains a component that indicates the presence of foam.
  • This component can be derived from the gradient of the level fluctuation values which are observed during the pumping out of the wash liquor before the start of a spinning process.
  • the foam treatment measure can consist in the supply of a certain amount of cold and / or warm water. This measure is already known per se, but has a special quality in connection with the above-mentioned features of the invention, because the process currently underway has the task of removing liquid. The measure of supplying water in such a process is therefore rather unusual.
  • the foam treatment measure can consist in a further advantageous embodiment of the invention in a change in the speed of the laundry drum.
  • the temperature of the liquid in the tub can be increased or decreased during the application of the foam removal measure.
  • a special measure that can only be used if all other measures are not sufficiently effective could be if a substance to inhibit the foam is automatically added during the application of the foam removal measure. However, the effort required for this would only be justified if devices for automatic dosing of washing aids are already present in a washing machine.
  • FIG. 1 shows the pressure curve p / t during the drum rotation n / t and during pumping without disturbing foam in the tub and
  • FIG. 2 shows the pressure curve p / t im in a further diagram
  • the diagram of the fig. 1 shows a section A, the loosening phase, before the start of the spin program.
  • the laundry drum is driven at intervals at the washing speed. This can be done in alternating directions of rotation.
  • the speed peaks Ni to N- ⁇ drawn in thin lines represent the interval-like drive of the laundry drum.
  • the level fluctuations (thick line P) of the liquid in the tub are relatively small.
  • the liquid is pumped out of the tub, so that the thick line P drops steeply almost steadily to almost zero.
  • the speed of the laundry drum rises to a preselected spin speed N s after a determination of the steady level drop rate in section B.
  • FIG. 2 shows, apart from somewhat stronger pressure fluctuations, already in section A a strong change in

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
EP03735691A 2002-07-29 2003-06-27 Procede pour eliminer de la mousse dans le reservoir a lessive d'une machine a laver a tambour Expired - Lifetime EP1527224B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10234472A DE10234472A1 (de) 2002-07-29 2002-07-29 Verfahren zum Beseitigen von Schaum im Laugenbehälter einer Trommelwaschmaschine
DE10234472 2002-07-29
PCT/EP2003/006861 WO2004015189A1 (fr) 2002-07-29 2003-06-27 Procede pour eliminer de la mousse dans le reservoir a lessive d'une machine a laver a tambour

Publications (2)

Publication Number Publication Date
EP1527224A1 true EP1527224A1 (fr) 2005-05-04
EP1527224B1 EP1527224B1 (fr) 2011-10-12

Family

ID=30128485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03735691A Expired - Lifetime EP1527224B1 (fr) 2002-07-29 2003-06-27 Procede pour eliminer de la mousse dans le reservoir a lessive d'une machine a laver a tambour

Country Status (8)

Country Link
US (1) US7340792B2 (fr)
EP (1) EP1527224B1 (fr)
KR (1) KR100872232B1 (fr)
CN (2) CN1671910B (fr)
AT (1) ATE528432T1 (fr)
DE (1) DE10234472A1 (fr)
PL (1) PL373324A1 (fr)
WO (1) WO2004015189A1 (fr)

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KR101095555B1 (ko) * 2005-05-04 2011-12-19 삼성전자주식회사 세탁기 및 그 거품제거방법
KR100698163B1 (ko) * 2006-01-17 2007-03-26 엘지전자 주식회사 방송 장르에 따른 신호처리장치를 갖는 이동통신단말기
DE102006027197A1 (de) * 2006-06-12 2007-12-13 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Beseitigen von Schaum in einer Trommelwaschmaschine und hierzu geeignete Trommelwaschmaschine
DE102007033492A1 (de) 2007-07-18 2009-01-22 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Steuerung der Schaumerzeugung in einer Waschmaschine sowie hierzu geeignete Waschmaschine
DE102007036041A1 (de) 2007-08-01 2009-02-05 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Beseitigen von Schaum in einer Trommelwaschmaschine und hierzu geeignete Trommelwaschmaschine
DE102007042968B4 (de) * 2007-09-10 2021-05-12 BSH Hausgeräte GmbH Verfahren zur Erkennung von Schaum in einer Trommelwaschmaschine und hierzu geeignete Trommelwaschmaschine
DE102007052837A1 (de) * 2007-11-06 2009-05-07 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Behandeln von Waschgut in einer Haushaltswaschmaschine mit einer schaumbildenden Flotte
DE102009027933A1 (de) 2009-07-22 2011-01-27 BSH Bosch und Siemens Hausgeräte GmbH Erkennen von Schaum für eine programmgesteuerte Wäschebehandlungsmaschine
WO2011039260A1 (fr) 2009-10-01 2011-04-07 Arcelik Anonim Sirketi Machine à laver ayant des performances de rinçage et d'essorage centrifuge améliorées
DE102009045433B4 (de) * 2009-10-07 2011-09-15 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Behandeln von Schaum, entsprechend programmierte Steuereinrichtung sowie entsprechende Wäschebehandlungsmaschine
DE102010039566A1 (de) 2010-08-20 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Laugenpumpe für wasserführende Haushaltgeräte und wasserführendes Haushaltgerät
US9127392B2 (en) * 2010-10-15 2015-09-08 Whirlpool Corporation Method and apparatus to detect an over-suds condition
US8844082B2 (en) 2010-12-14 2014-09-30 Whirlpool Corporation Laundry treating appliance with biofilm treating cycle
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WO2012146296A2 (fr) * 2011-04-29 2012-11-01 Ecolab Usa Inc. Procédé de réduction du volume de mousse faisant appel à un moyen de refroidissement
DE102013216743A1 (de) * 2013-08-23 2015-02-26 BSH Bosch und Siemens Hausgeräte GmbH Wäschepflegegerät
EP2849007B1 (fr) 2013-09-11 2020-11-11 Electrolux Appliances Aktiebolag Procédé pour opérer un lave-linge pendant un cycle de lavage
EP2848726B1 (fr) 2013-09-11 2019-03-27 Electrolux Appliances Aktiebolag Procédé de commande d'une machine à laver
EP2849008B1 (fr) * 2013-09-11 2019-04-03 Electrolux Appliances Aktiebolag Procédé pour réduire la mousse dans un lave-linge en phase d'essorage
DE102015205949A1 (de) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Verfahren zum Betrieb einer Waschmaschine mit Schaumdetektion durch eine Motorstromauswertung sowie hierzu geeignete Waschmaschine
DE102015205945A1 (de) 2015-04-01 2016-10-06 BSH Hausgeräte GmbH Verfahren zum Betrieb einer Waschmaschine mit Schaumdetektion durch eine Trommeldrehzahlauswertung sowie hierzu geeignete Waschmaschine
DE102016201450B3 (de) * 2016-02-01 2017-02-09 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Schaumerfassungseinrichtung
EP3235939B1 (fr) * 2016-04-21 2021-06-09 Electrolux Appliances Aktiebolag Procédé pour la détection de mousse dans une machine à laver le linge
CN109477846B (zh) * 2016-06-10 2022-03-29 联合利华知识产权控股有限公司 包括装置的机器和相应的方法
JP6706735B2 (ja) * 2016-09-27 2020-06-10 パナソニックＩｐマネジメント株式会社 洗濯機
EP3318670A1 (fr) 2016-11-08 2018-05-09 BSH Hausgeräte GmbH Procédé de fonctionnement d'une machine à laver avec détection de mousse et lave-linge approprié pour ce procédé
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Also Published As

Publication number Publication date
CN101899770B (zh) 2012-04-25
KR20050029307A (ko) 2005-03-25
CN1671910A (zh) 2005-09-21
DE10234472A1 (de) 2004-02-12
CN101899770A (zh) 2010-12-01
WO2004015189A1 (fr) 2004-02-19
CN1671910B (zh) 2011-06-08
EP1527224B1 (fr) 2011-10-12
ATE528432T1 (de) 2011-10-15
US7340792B2 (en) 2008-03-11
PL373324A1 (en) 2005-08-22
KR100872232B1 (ko) 2008-12-05
US20050197264A1 (en) 2005-09-08

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