EP2256240B1 - Procédé destiné au lavage de linge dans un lave-linge et lave-linge - Google Patents

Procédé destiné au lavage de linge dans un lave-linge et lave-linge Download PDF

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Publication number
EP2256240B1
EP2256240B1 EP09007096A EP09007096A EP2256240B1 EP 2256240 B1 EP2256240 B1 EP 2256240B1 EP 09007096 A EP09007096 A EP 09007096A EP 09007096 A EP09007096 A EP 09007096A EP 2256240 B1 EP2256240 B1 EP 2256240B1
Authority
EP
European Patent Office
Prior art keywords
washing
rotational
water level
drum
laundry
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.)
Not-in-force
Application number
EP09007096A
Other languages
German (de)
English (en)
Other versions
EP2256240A1 (fr
Inventor
Dirk Sieding
Marcel Zielke
Felix Maßmann
Olga Walth
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
Priority to AT09007096T priority Critical patent/ATE516398T1/de
Priority to EP09007096A priority patent/EP2256240B1/fr
Priority to PL09007096T priority patent/PL2256240T3/pl
Priority to ES09007096T priority patent/ES2365298T3/es
Publication of EP2256240A1 publication Critical patent/EP2256240A1/fr
Application granted granted Critical
Publication of EP2256240B1 publication Critical patent/EP2256240B1/fr
Not-in-force legal-status Critical Current
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 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors

Definitions

  • the invention relates to a method for washing a laundry item in a washing machine with a tub, in which a drum is rotatably mounted and driven by a motor, comprising a washing phase, in which an amount of water is admitted into the tub until a predetermined water level is reached, and a plurality of rotational phases in which the drum is rotated at a predetermined speed and duration to move the laundry item within the drum, and wherein there are rotational pauses between each of the rotational phases.
  • the invention further relates to a washing machine or a washer-dryer with a housing and a therein, vibrating mounted tub, in which a drivable with a motor drum is rotatably mounted, a water inlet valve, a drain device, a detection device for the water level within the tub and a microprocessor Control device adapted to control the water inlet valve and the drainage device and the motor in dependence on the detected water level for carrying out the method described below.
  • the laundry For washing laundry in a washing machine, the laundry is washed in a first phase with heated water with the addition of detergent with slight or strong drum movement, depending on the selected or detected type of washing.
  • the laundry In order to achieve a good development of the detergent and a good soil solution, the laundry is usually moved for about 20 to 80 minutes in the washing liquid. Subsequently, the laundry is rinsed, whereby spent washing liquid is pumped out. After rinsing, the laundry is spun to drain it. In this case, however, a stronger washing mechanism is effected at low load due to the approximately equal drum movement, which unnecessarily lengthens the wash cycle and increases the wear of the laundry.
  • a method for washing laundry is known in which the rotational drive time in the washing phase can be varied by means of information about the amount of laundry.
  • the rotational drive time is determined by the ratio of drum rotation to pause is set accordingly. This tunes the washing process more precisely to the load.
  • a washing machine in which the drum speed is determined as a function of a detected pressure increase in the sensor for the level detection in the tub. In this case, an excessive foaming is to be prevented, wherein at a detected pressure increase, the drum speed is lowered.
  • the invention is therefore based on the object, in a washing or rinsing cycle to provide a good washing or rinsing effect with improved protection of the laundry items to be washed.
  • the essential advantage of the method according to the invention is that a simple washing mechanism is provided in a simple manner, which is matched to the laundry items to be washed.
  • the washing effect is not affected by the optimal mechanics entry or even improved at high loadings.
  • the optimal laundry movement is achieved in that the duration of the individual rotational phases is limited in each case by a sinking during the rotation phase water level and the duration of the rotation breaks is limited in each case by a rising during the rotation break water level.
  • This means that the drive duration of the drum is no longer based on the amount of laundry and / or the type of laundry recorded at the beginning of the program but based on the amount of liquid of the free liquor during washing.
  • the rotation break is adjusted until the liquor flows out of the laundry, so that in this time the dirt is discharged from the laundry zw. Rinsed out.
  • a mixed-composition laundry item can also be optimally washed.
  • the composition is known because the drum is rotated in response to the actual suction and discharge behavior of the laundry load.
  • the drum rotation is adjusted even when changing the suction or exit behavior during the washing phase.
  • the duration of the respective rotational phase is determined by means of the time of lowering of the water level from an upper limit to a lower limit and determines the duration of the rotation break by means of the time of increase of the water level after the end of the rotation phase or from the lower limit to the upper limit ,
  • intended for washing or rinsing amount of water of the free liquor has a predetermined water level of about 45 to 80 mmWs and that the low water level by about 5 to 15 mmWs lower than the specified water level.
  • the drum is rotated during the rotation phase at a speed of 25 to 40 1 / min.
  • the drum is rotated reversing, being rotated during a rotational phase in each case only in a single direction of rotation.
  • the suction phase is kept quite short due to the suction behavior of moving laundry, resulting in a total of a short and effective washing phase.
  • a duration of about 30 to 80 minutes for the washing phase is expedient to provide a duration of about 30 to 80 minutes for the washing phase.
  • the duration depends on the set pollution, the amount of laundry and the type of laundry.
  • FIG. 1 is a purely schematic representation of a washing machine 1, shown with a tub 2.
  • a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which are located in the tub 2 and in the drum 3 garments 8 and 8, respectively. Laundry items moved.
  • the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding.
  • the housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
  • the loading opening 9 can be closed by means of the door 5.
  • the water or the washing liquid 7, which is needed for cleaning or treating the laundry 8.
  • a radiator 10 is arranged in the lower region of the tub 2.
  • an inlet valve 15 is sketched, which controls the entry of the water from the supply network.
  • the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2.
  • a drain device 12 is arranged, which brings out the spent washing liquid or the rinse water 7 from the tub 2 to the drain line 16, which usually opens into a sewer.
  • the control device 17 controls the water inlet 15, the activity of the drain device 12 and the drive motor 13, which is energized via the power unit or a frequency converter 18, and the radiator 10.
  • Fig. 2b is the drum speed (speed) in a diagram for a section of the washing phase of a washing cycle or a program for washing laundry 8 (FIG. Fig. 1 ).
  • the duration of the respective phases and sections in time segments is shown here by way of example on the common time axis t.
  • the duration of the rotation pause P is also set by the water level of the free fleet, the water level of the free fleet increases when the laundry item is not moved. This phase is also referred to as Schmutzaustragsphase, because the water penetrating from the tissue flooded dirt particles from the tissue in the free fleet.
  • Schmutzaustragsphase because the water penetrating from the tissue flooded dirt particles from the tissue in the free fleet.
  • Fig. 2a the rise and fall of the water level are sketched as a linear function, in practice they can also have curved courses.
  • a greater decrease in the water level level occurs than shortly before reaching the lower limit L.
  • the increase in the water level level at the beginning of the rotation P is stronger than shortly before reaching the upper limit H
  • the method described here does not restrictively refer to water but also to a washing or rinsing liquid provided with detergent or other additives.
  • the rotation phases Ro and rotation pauses P are repeated a plurality of times until a predetermined time for the washing phase WA is reached or a predetermined number of rotation cycles Ro have been performed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (6)

  1. Procédé de lavage de linge (8) dans une machine à laver (1) avec une cuve de lavage (2) dans laquelle un tambour (3) est supporté en rotation et est entraîné au moyen d'un moteur (13), comprenant une phase de lavage (Wa) dans laquelle une quantité d'eau est introduite dans la cuve de lavage (2) jusqu'à ce qu'un niveau d'eau (H) prédéfini soit atteint, et plusieurs phases de rotation (Ro) dans lesquelles le tambour (3) est mis en rotation avec une vitesse de rotation et une durée prédéfinies pour déplacer le linge (8) à l'intérieur du tambour (3), et des pauses de rotation (P) étant situées entre chacune des phases de rotation (Ro),
    caractérisé en ce que
    la durée des différentes phases de rotation (Ro) est respectivement limitée par un niveau d'eau diminuant pendant la phase de rotation (Ro), et la durée des pauses de rotation (P) est respectivement limitée par un niveau d'eau (Level) augmentant pendant la pause de rotation (P), la durée de la phase de rotation (Ro) respective étant fixée au moyen du temps de la diminution du niveau d'eau allant d'une valeur limite supérieure (H) à une valeur limite inférieure (L), et la durée de la pause de rotation (P) étant fixée au moyen du temps de l'augmentation du niveau d'eau après la fin de la phase de rotation (Ro) ou allant de la valeur limite inférieure (L) à la valeur limite supérieure (H).
  2. Procédé de lavage de linge (8) selon la revendication 1,
    caractérisé en ce que
    la quantité d'eau de bain libre prévue pour le lavage ou le rinçage présente un niveau d'eau élevé (H) prédéfini d'environ 45 à 80 mmCE, et en ce que le niveau d'eau bas (L) est inférieur d'environ 5 à 15 mmCE au niveau d'eau élevé (H) prédéfini pour un volume de tambour dans la plage de 45 à 65 L.
  3. Procédé de lavage de linge (8) selon la revendication 1,
    caractérisé en ce que
    le tambour (3) tourne pendant la phase de rotation (Ro) avec une vitesse de rotation de 25 à 40 tr/min.
  4. Procédé de lavage de linge (8) selon la revendication 1 ou 3,
    caractérisé en ce que
    le tambour (3) est mis en rotation avec inversion de marche, ne tournant respectivement que dans un seul sens de rotation pendant une phase de rotation (Ro).
  5. Procédé de lavage de linge (8) selon la revendication 1,
    caractérisé en ce que
    la phase de lavage (Wa) a une durée d'environ 30 à 80 minutes.
  6. Machine à laver (1) ou laveur-sécheur avec un carter (4) et une cuve de lavage (2) qui y est disposée, fixée de façon mobile en oscillation, dans laquelle un tambour (3) pouvant être entraîné par un moteur (13) est supporté en rotation, avec une vanne d'amenée d'eau (15), un équipement d'évacuation (12), un équipement de détection (19) pour le niveau d'eau (Level) à l'intérieur de la cuve de lavage (2) et un équipement de commande à microprocesseur (17) qui est constitué pour commander la vanne d'amenée d'eau (15) et l'équipement d'évacuation (12) et le moteur (13) en fonction du niveau d'eau (Level) détecté pour la réalisation du procédé selon une des revendications 1 à 5.
EP09007096A 2009-05-28 2009-05-28 Procédé destiné au lavage de linge dans un lave-linge et lave-linge Not-in-force EP2256240B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT09007096T ATE516398T1 (de) 2009-05-28 2009-05-28 Verfahren zum waschen von wäsche in einer waschmaschine und waschmaschine
EP09007096A EP2256240B1 (fr) 2009-05-28 2009-05-28 Procédé destiné au lavage de linge dans un lave-linge et lave-linge
PL09007096T PL2256240T3 (pl) 2009-05-28 2009-05-28 Sposób prania tekstyliów w pralce i pralka
ES09007096T ES2365298T3 (es) 2009-05-28 2009-05-28 Procedimiento para el lavado de ropa en una lavadora y lavadora.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09007096A EP2256240B1 (fr) 2009-05-28 2009-05-28 Procédé destiné au lavage de linge dans un lave-linge et lave-linge

Publications (2)

Publication Number Publication Date
EP2256240A1 EP2256240A1 (fr) 2010-12-01
EP2256240B1 true EP2256240B1 (fr) 2011-07-13

Family

ID=40935734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09007096A Not-in-force EP2256240B1 (fr) 2009-05-28 2009-05-28 Procédé destiné au lavage de linge dans un lave-linge et lave-linge

Country Status (4)

Country Link
EP (1) EP2256240B1 (fr)
AT (1) ATE516398T1 (fr)
ES (1) ES2365298T3 (fr)
PL (1) PL2256240T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016212489A1 (de) * 2016-07-08 2018-01-11 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313814B4 (de) * 1993-04-27 2004-09-30 BSH Bosch und Siemens Hausgeräte GmbH Automatisch gesteuerte Haushaltmaschine zum Waschen und Spülen von Wäsche
DE19538291C2 (de) * 1995-10-14 2001-07-12 Aeg Hausgeraete Gmbh Verfahren zur Ermittlung des Wasseraufnahmegrades von Wäsche
IT1284371B1 (it) * 1996-02-05 1998-05-18 Merloni Elettrodomestici Spa Metodo per determinare quantita' e/o tipo di tessuto introdotto in una lavabiancheria.
DE19606769B4 (de) * 1996-02-23 2006-05-11 AEG Hausgeräte GmbH Programmgesteuerte Waschmaschine mit einer Einrichtung zur Reduzierung der Schaumbildung
KR19990021190A (ko) * 1997-08-30 1999-03-25 전주범 세탁기의 수위 감지 최적화 방법
US6415469B1 (en) * 1999-12-30 2002-07-09 Mabe Mexico S. De R.L. De C.V. Control system and process for automatically controlling agitator motion patterns in a washing machine

Also Published As

Publication number Publication date
PL2256240T3 (pl) 2011-10-31
ATE516398T1 (de) 2011-07-15
EP2256240A1 (fr) 2010-12-01
ES2365298T3 (es) 2011-09-28

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