EP1715095B1 - Procédé de commande de l'alimentation en eau de la cuve d'une machine à laver et sécher le linge - Google Patents

Procédé de commande de l'alimentation en eau de la cuve d'une machine à laver et sécher le linge Download PDF

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Publication number
EP1715095B1
EP1715095B1 EP06006351A EP06006351A EP1715095B1 EP 1715095 B1 EP1715095 B1 EP 1715095B1 EP 06006351 A EP06006351 A EP 06006351A EP 06006351 A EP06006351 A EP 06006351A EP 1715095 B1 EP1715095 B1 EP 1715095B1
Authority
EP
European Patent Office
Prior art keywords
siphon
tub
water supply
washing liquid
water
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.)
Active
Application number
EP06006351A
Other languages
German (de)
English (en)
Other versions
EP1715095A1 (fr
Inventor
Michael Presto
Christoph Wendker
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
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Miele und Cie KG
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Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1715095A1 publication Critical patent/EP1715095A1/fr
Application granted granted Critical
Publication of EP1715095B1 publication Critical patent/EP1715095B1/fr
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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 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/54—Control of the 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
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 

Definitions

  • the invention relates to a method for controlling the water supply to the tub of a washer dryer via at least one controllable by an electronic program control solenoid valve, which is associated with a Waschstoffein mecanickasten, which is connected to the tub via a water supply device with a trained as a water siphon, the siphon before or During a drying program by water supply is refillable to avoid the escape of moist process air, which is guided by a blower in a closed circuit through the tub and process air duct, from the Waschstoffein Textilkasten during the drying process.
  • Such a method is for a washer-dryer from the EP 1 197 592 A1 known.
  • the washer-dryer has a lye container which is connected via a siphon to the water supply device (detergent dispenser and controllable solenoid valves).
  • the siphon serves as a water trap, which should prevent the escape of moist exhaust air from the tub during the drying process.
  • the water supply can be completely or partially emptied due to the movement of the tub when spinning.
  • it is proposed here to replenish the water mask before and during drying it is provided to open the solenoid valves timed and one or more times refill a well-defined amount of water.
  • the water reservoir is filled at predetermined times with precisely defined amounts of water, regardless of the actual filling state of the siphon. It may therefore happen that time-controlled refilling occurs although there is still enough water in the siphon. If the water mask is overfilled, there is a risk that the laundry will be rewetted in the dry process.
  • the invention thus raises the problem of developing a method for filling the water mask in a washer-dryer, in which overfilling and thus rewetting of the laundry in the drying process is reliably avoided.
  • the achievable with the present invention consist in particular in that the water mask is filled depending on the actual filling state in the water mask or in the siphon and thus overfilling of the siphon and the rewetting of the laundry is avoided. In addition, water is eliminated by eliminating unnecessary refilling saved and the program runtime reduced.
  • the method for detecting the filling state of the siphon is possible with the present in the washer-dryer sensor for detecting the level in the tub.
  • FIGS. 1 and 2 the structure of the tub (1) or the thermodynamic unit of a washer-dryer with the assemblies essential to the invention is shown schematically.
  • FIG. 1 shows the essential components for the washing process and their assignment to the tub (1).
  • a drum (2) is rotatably mounted for receiving the laundry.
  • the water is supplied via the solenoid valves connected to the detergent dispenser (3).
  • the Waschschein Cypruskasten (3) is connected to the tub (1) via a water supply device with a trained as a water siphon (4).
  • the siphon (4) is filled with water when the water to the tub (1) and thus forms a vapor barrier for the during the washing process or in the dry process from the tub (1) exiting moist air.
  • a riser consisting of an air trap (5) and a hose (6) is arranged, in which according to the air trap principle, the water corresponding to the level increases in the tub (1).
  • an analog pressure sensor is arranged directly on the control board of the program control device (7).
  • the entire system air trap or riser and hose to the pressure sensor
  • the pressure-dependent voltage signal that is output by the analog pressure sensor is thus proportional to the liquid level in the tub (1).
  • FIG. 2 shows the essential components for the drying process and their assignment to the thermodynamic unit or to the tub (1) and the flow channel (8) for the process air.
  • the laundry is first washed and dried after the program section spin in the same device.
  • heated air is introduced into the door opening (9) in the front area of the tub (1).
  • the heating of this air takes place in a heating channel (10).
  • the warm air then flows through the drum (2) in the tub (1) and absorbs the moisture of the laundry.
  • an outlet opening (11) in the tub (1) the heated, laden with moisture air from the tub (1), condensed in a Kondenskanal (12) and by means of blower (13) in a closed circuit again on the heating channel (10) directed into the drum (2).
  • the in FIG. 1 illustrated siphon (4) is filled by the water inlet in the washing process.
  • the water mask can be reduced or completely emptied.
  • An overfilling of the water mask or the siphon (4) with partially or completely filled water mask is prevented by a pre-filling of the filling state in the siphon (4).
  • the voltage signal of the analog pressure sensor connected to the air trap is evaluated.
  • the blower (13) for the circulation of the process air is turned on to detect the filling state in the siphon (4) and carried out an evaluation of the voltage signal of the analog pressure sensor. Thereafter, the blower (13) is turned off and carried out a re-evaluation of the voltage signal. It is advantageous, after switching on and off the blower (13), the level measurements about 8 s. delayed. On the basis of the evaluation of the voltage signals, which correspond to the air pressure in the tub, the filling state is detected in the siphon (4).
  • the method for detecting the filling state of the water mask can also be carried out during the drying process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Drying Of Solid Materials (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Claims (2)

  1. Procédé pour commander l'arrivée d'eau dans la cuve de lessive d'une lavante-séchante, par l'intermédiaire d'au moins une électrovanne qui peut être commandée par une commande électronique à programmes et qui est associée à un bac à produits lessiviels relié à la cuve de lessive par l'intermédiaire d'un dispositif d'arrivée d'eau doté d'un siphon réalisé en tant que soupape d'eau, le siphon pouvant être rempli par l'arrivée d'eau avant ou pendant un processus de séchage, afin d'éviter que l'air de traitement humide, qu'un ventilateur fait circuler en circuit fermé à travers la cuve de lessive et le conduit d'air de traitement, ne s'échappe par le bac à produits lessiviels durant le processus de séchage, caractérisé en ce que le niveau de remplissage du siphon (4) est relevé par le capteur de niveau raccordé à la cuve de lessive (1) qui est placé à l'extrémité d'un tuyau ascendant (5, 6) et émet des signaux de tension correspondant à la pression en fonction du niveau de remplissage qui règne dans la cuve de lessive (1), une mesure de la pression et une mesure comparative étant réalisées respectivement avec le ventilateur (13) en marche et avec le ventilateur (13) à l'arrêt, et les signaux reçus par le capteur de niveau étant exploités par un circuit d'exploitation du dispositif de commande électronique à programmes (7) et l'électrovanne étant commandée en fonction de la différence constatée pour lancer une étape de remplissage.
  2. Procédé pour commander l'arrivée d'eau selon la revendication 1, caractérisé en ce que l'on mesure le niveau de remplissage du siphon (4) lorsque la vitesse de rotation du tambour (2) tournant dans la cuve de lessive (1) a franchi une valeur limite prédéfinie au cours d'une étape d'essorage précédente.
EP06006351A 2005-04-20 2006-03-28 Procédé de commande de l'alimentation en eau de la cuve d'une machine à laver et sécher le linge Active EP1715095B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005018550A DE102005018550B3 (de) 2005-04-20 2005-04-20 Verfahren zur Steuerung der Wasserzufuhr zum Laugenbehälter eines Waschtrockners

Publications (2)

Publication Number Publication Date
EP1715095A1 EP1715095A1 (fr) 2006-10-25
EP1715095B1 true EP1715095B1 (fr) 2008-04-30

Family

ID=35336287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06006351A Active EP1715095B1 (fr) 2005-04-20 2006-03-28 Procédé de commande de l'alimentation en eau de la cuve d'une machine à laver et sécher le linge

Country Status (3)

Country Link
EP (1) EP1715095B1 (fr)
AT (1) ATE393848T1 (fr)
DE (2) DE102005018550B3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124668A1 (fr) 2015-07-27 2017-02-01 Electrolux Appliances Aktiebolag Procédé de séchage pour lave-linge / sèche-linge avec remplissage à siphon et lave-linge / sèche-linge

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007003085U1 (de) * 2007-03-02 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Laugenbehälter für eine Waschmaschine
DE102009029523A1 (de) * 2009-09-17 2011-03-24 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Hausgerät mit einer Wasservorlageeinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8507722D0 (en) * 1985-03-25 1985-05-01 Hotpoint Ltd Washing machines
JPH11104397A (ja) * 1997-10-01 1999-04-20 Hitachi Ltd ドラム式洗濯乾燥機
ITPN20000059A1 (it) * 2000-10-10 2002-04-10 Electrolux Zanussi Elettrodome Macchina lavatrice-asciugatrice di biancheria combinata
DE20023575U1 (de) * 2000-12-08 2004-11-25 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine
ITPN20010070A1 (it) * 2001-10-10 2003-04-10 Electrolux Zanussi Elettrodome Macchina lavatrice-asciugatrice di biancheria

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124668A1 (fr) 2015-07-27 2017-02-01 Electrolux Appliances Aktiebolag Procédé de séchage pour lave-linge / sèche-linge avec remplissage à siphon et lave-linge / sèche-linge
AU2016204988B2 (en) * 2015-07-27 2021-02-18 Electrolux Appliances Aktiebolag Drying Method for Washer Dryer with Siphon Filling

Also Published As

Publication number Publication date
DE102005018550B3 (de) 2005-12-08
ATE393848T1 (de) 2008-05-15
DE502006000701D1 (de) 2008-06-12
EP1715095A1 (fr) 2006-10-25

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