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EP1143058B1 - Procédé pour rincer le linge dans une machine à laver - Google Patents

Procédé pour rincer le linge dans une machine à laver Download PDF

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Publication number
EP1143058B1
EP1143058B1 EP01104097A EP01104097A EP1143058B1 EP 1143058 B1 EP1143058 B1 EP 1143058B1 EP 01104097 A EP01104097 A EP 01104097A EP 01104097 A EP01104097 A EP 01104097A EP 1143058 B1 EP1143058 B1 EP 1143058B1
Authority
EP
European Patent Office
Prior art keywords
rinse
temperature
washing
implementing
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.)
Expired - Lifetime
Application number
EP01104097A
Other languages
German (de)
English (en)
Other versions
EP1143058A2 (fr
EP1143058A3 (fr
Inventor
Walter Dietz
Rudolf Herden
Wilfried Schäffersmann
Dirk Sieding
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 EP1143058A2 publication Critical patent/EP1143058A2/fr
Publication of EP1143058A3 publication Critical patent/EP1143058A3/fr
Application granted granted Critical
Publication of EP1143058B1 publication Critical patent/EP1143058B1/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
    • 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
    • D06F33/38—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
    • 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
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps

Definitions

  • the invention relates to a method for carrying out a washing program section for Washing clothes in a washing machine, especially in a drum washing machine, in the heated washing liquor after the completion of a washing program section used in a tub and then emptied from it, a subset cold rinse water is filled into the tub, being in the lower part of the A temperature sensor.
  • a method for carrying out a washing program section of the type mentioned is basically known in advance and can also be done by a specialist from a printed document the technology (DE 42 19 276 A1 and DE 32 06 563 C2) are essentially taken. Furthermore, DE 39 09 021 A1 shows how the composition of the laundry in Main wash cycle is determined by evaluating their suction behavior. It is also known, other parameters for determining the composition of the laundry item to be used, for example the speed behavior (DE 44 38 760 A1). Beyond that Washing machines known in which the user enters the composition. Dependent Amounts of rinse water are then calculated from the composition for several rinses or given. These are fed to the tub, the laundry in Rinsing water is moved for a set time and then emptied. In connection the bound washing liquor in drum washing machines is attached to the individual rinsing cycles driven out by rapid rotation of the drum (centrifugal force).
  • the basis for optimizing the washing result in known washing processes is the Dilution calculation. It assumes that the detergent and dirt residues in the Laundry diluted to the same extent by the amount of water added in the rinse cycles becomes like substances outside the laundry. According to the dilution calculation The rinse result is therefore the more optimal the more rinse cycles are used.
  • the invention thus presents the problem of a method for washing laundry in one To disclose washing machine of the type mentioned, which has the aforementioned disadvantages avoids and at which leveling processes between washing liquor and laundry can be taken into account in a simple manner without additional sensors.
  • the advantage achievable with the invention is that for controlling the washing process apart from the temperature sensor already present in most washing machines, no additional ones Sensor technology is needed. It is also independent of the detergent used Assessment of the rinsing effect possible.
  • the washing program section divided into at least two rinse cycles and the measurement and evaluation of the temperature profile takes place in the first rinse cycle (claim 2).
  • a relatively large temperature difference expected between laundry and washing liquor which means lower demands on the Resolution of the temperature sensor can be set. This is particularly the case if the temperature profile is measured and evaluated at the beginning of the first rinse cycle (Claim 3) and the rise in temperature of the washing liquor is still very large.
  • the temperature profile in this part can be used to calculate the further temperature profile and on this Basis advantageously the duration (claim 4) and the number (claim 5) of all rinses as well as the amount of rinse water used and the required spin speeds to be determined for intermediate spinning (compare claims 6 and 7).
  • a drawing shows the Temperature course of the wash liquor in the first wash cycle using a temperature-time diagram.
  • the washing machine has a tub in a drum in a known manner is rotatably mounted to hold laundry.
  • a heater for heating the wash liquor is arranged in the lower area of the tub.
  • the drum is driven about an engine.
  • the tub is suspended from the housing by springs and is opposed to damping these vibrations in the lower area by shock absorbers supported the case bottom.
  • a microprocessor control is provided to control the different washing programs, which are connected to various sensors and the control elements via signal lines is. It issues time and status-dependent commands to various control lines Actuators further.
  • a weight sensor under the washing machine's sensors, with which the Load amount of the drum can be determined.
  • a sensor is used in a known manner Position sensor arranged parallel to the shock absorber, with which the weight-dependent Suds container altitude is detected.
  • Other weight sensors for example Strain gauges can also be used. From the static part of the Position sensor signal is determined by the microprocessor control and the load stored in a memory.
  • a tachometer generator coupled to the motor picks up a motor speed signal for control purposes, from which the microprocessor control the control deviation of the speed in the first Reverse cycles determined and also saved.
  • an analog pressure sensor For the water level measurement there is a riser with the drain area of the tub connected, within which an analog pressure sensor is arranged as a level sensor.
  • the fresh water is fed into the tub via a line in which one of the microprocessor control solenoid valve is switched.
  • the microprocessor control determines the analog pressure sensor the pressure curve in the tub by evaluating the pressure difference and the Suction times in the suction phases during the water inlet, in which the solenoid valve is not is open. In addition, it determines the water intake quantity by adding up all Solenoid valve opening times of the respective program section.
  • a temperature sensor in the lower area of the tub allows during the Washing program section the temperature control of the washing liquor, in the washing program section the washing liquor temperature is measured and evaluated, which is described in more detail below
  • the program section "washing" is carried out and in a known manner by the Microprocessor control depending on the setting values and the measured Parameters influenced. Then the washing liquor is emptied from the tub, supported by rotating the drum at increased speed (Zwischenschleudem).
  • Rinse program section, which consists of individual rinse cycles.
  • the wash cycle one of the type of laundry and / or the amount of laundry dependent portion of cold fresh water (rinse water) added, which under Rotation of the drum rinses out the detergent residues from the laundry.
  • Rinse water and Laundry have different temperatures. Machine the cold rinse water after the main wash in contact with the warm laundry, so it will be due to a heat exchange between the washing liquor and the laundry, gradually warm the washing liquor over time. Strive to do so the washing liquor and the laundry at an equilibrium temperature. This is still from the ambient temperature dependent, since additional at lower ambient temperature External heat losses are to be expected.
  • the figure shows the course of the washing liquor temperature as a temperature-time diagram.
  • the temperature initially drops to an initial temperature T 0 due to the inflow of cold rinse water.
  • the warm laundry still containing the washing liquor then causes a temperature rise to the equilibrium temperature T G.
  • the rinsing time is a decisive factor for the rinsing value. Is the equilibrium concentration not reached by alkalis, there are more alkalis on the laundry. Corresponding The temperature of the laundry is also higher than the temperature prevailing in the liquor. you can now determine the equilibrium temperature by measuring the temperature profile of the fleet estimate and put this temperature in relation to the measured temperature. In The alkalis on the laundry with the equilibrium concentration then stand in an analogous relationship. If this ratio is acceptable for the washing result to be expected, the Rinsing process can be canceled. From the course of the first rinse cycle, the Compensation processes in the subsequent rinse cycles are closed. So that is Calculation of the necessary number and duration of further rinses from the temperature profile of the first wash cycle possible.

Landscapes

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

Claims (7)

  1. Procédé pour l'exécution d'une séquence de programme de rinçage pour rincer le linge dans une machine à laver, notamment dans une machine à laver à tambour, selon lequel, après l'achèvement d'une séquence de programme de lavage au cours de laquelle on utilise dans un récipient de lavage un bain de lavage chauffé puis on évacue ce bain du récipient, on remplit le récipient de lavage d'une quantité partielle d'eau de rinçage froide, un capteur de température se trouvant dans la région inférieure du récipient de lavage,
    caractérisé en ce que, au moins pendant une séquence de programme ou de temps, on mesure en continu avec le capteur de température la température du bain de rinçage, donc du mélange du linge chauffé ou encore du bain de lavage contenu dans ce dernier et de l'eau de rinçage froide introduite, et on détermine la durée de la séquence de programme de rinçage et/ou la quantité totale d'eau de rinçage en fonction de l'allure de température mesurée.
  2. Procédé pour l'exécution d'une séquence de programme de rinçage selon la revendication 1, caractérisé en ce que la séquence de programme de rinçage est divisée en au moins deux opérations de rinçage, et en ce que la mesure et l'interprétation de l'allure de température s'effectuent pendant la première opération de rinçage.
  3. Procédé pour l'exécution d'une séquence de programme de rinçage selon la revendication 2, caractérisé en ce que la mesure et l'interprétation de l'allure de température s'effectuent au début de la première opération de rinçage.
  4. Procédé pour l'exécution d'une séquence de programme de rinçage selon la revendication 3, caractérisé en ce qu'on détermine la durée de toutes les opérations de rinçage à partir de l'allure de température mesurée au début de la première opération de rinçage.
  5. Procédé pour l'exécution d'une séquence de programme de rinçage selon la revendication 2 ou 3, caractérisé en ce qu'on détermine le nombre d'opérations de rinçage à partir de l'allure de température mesurée pendant la première opération de rinçage.
  6. Procédé pour l'exécution d'une séquence de programme de rinçage selon au moins une des revendications 2 à 4, caractérisé en ce qu'on utilise pendant la première opération de rinçage une quantité partielle définie d'eau de rinçage froide, et en ce qu'on détermine la ou les quantités partielles utilisées pendant la ou les opérations de rinçage suivantes sur la base de l'allure de température de l'eau de rinçage pendant la première opération de rinçage.
  7. Procédé pour l'exécution d'une séquence de programme de rinçage selon au moins une des revendications 2 à 6, caractérisé en ce qu'on détermine, à partir de l'allure de température mesurée pendant la première opération de rinçage, le niveau et/ou l'augmentation de la vitesse d'essorage pendant au moins une opération d'essorage faisant suite à une opération de rinçage.
EP01104097A 2000-04-06 2001-02-21 Procédé pour rincer le linge dans une machine à laver Expired - Lifetime EP1143058B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10017160 2000-04-06
DE10017160A DE10017160C1 (de) 2000-04-06 2000-04-06 Verfahren zum Spülen von Wäsche in einer Waschmaschine

Publications (3)

Publication Number Publication Date
EP1143058A2 EP1143058A2 (fr) 2001-10-10
EP1143058A3 EP1143058A3 (fr) 2001-10-31
EP1143058B1 true EP1143058B1 (fr) 2004-01-14

Family

ID=7637811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01104097A Expired - Lifetime EP1143058B1 (fr) 2000-04-06 2001-02-21 Procédé pour rincer le linge dans une machine à laver

Country Status (4)

Country Link
EP (1) EP1143058B1 (fr)
AT (1) ATE257870T1 (fr)
DE (2) DE10017160C1 (fr)
ES (1) ES2210046T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002184B4 (de) 2007-01-15 2018-03-15 BSH Hausgeräte GmbH Verfahren zum Waschen von Wäschestücken in einem programmgesteuerten Hausgerät, sowie solches Hausgerät
DE102009002622B4 (de) 2009-04-24 2016-01-14 BSH Hausgeräte GmbH Verfahren zur Durchführung einer Spülphase in einer Trommelwaschmaschine
KR101530849B1 (ko) * 2011-01-04 2015-06-23 삼성전자 주식회사 세탁기 및 그 제어방법
DE102015107689A1 (de) * 2015-05-18 2016-11-24 Miele & Cie. Kg Verfahren zum Steuern einer Drehzahl einer Waschtrommel einer Waschmaschine, Steuergerät und Waschmaschine
CN112921588B (zh) * 2021-01-25 2022-04-15 珠海格力电器股份有限公司 洗衣机控制方法、装置、设备及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206563A1 (de) * 1982-02-24 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Steuereinrichtung fuer eine waschmaschine
DE3909021A1 (de) * 1989-03-18 1990-09-20 Miele & Cie Verfahren zur steuerung des programms in einer waeschebehandlungsmaschine
DE4219276A1 (de) * 1992-06-12 1993-12-16 Licentia Gmbh Wasch- oder Geschirrspülmaschine
DE4438760A1 (de) * 1994-10-29 1996-05-02 Miele & Cie Verfahren zur Ermittlung einer von der Wäscheart und der Wäschemenge abhängigen Beladungsstufe

Also Published As

Publication number Publication date
ATE257870T1 (de) 2004-01-15
DE50101307D1 (de) 2004-02-19
ES2210046T3 (es) 2004-07-01
EP1143058A2 (fr) 2001-10-10
EP1143058A3 (fr) 2001-10-31
DE10017160C1 (de) 2001-04-05

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