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EP0835955B2 - Programme controlled washing machine - Google Patents
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EP0835955B2 - Programme controlled washing machine - Google Patents

Programme controlled washing machine Download PDF

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Publication number
EP0835955B2
EP0835955B2 EP97116203A EP97116203A EP0835955B2 EP 0835955 B2 EP0835955 B2 EP 0835955B2 EP 97116203 A EP97116203 A EP 97116203A EP 97116203 A EP97116203 A EP 97116203A EP 0835955 B2 EP0835955 B2 EP 0835955B2
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EP
European Patent Office
Prior art keywords
program
laundry
washing
parameter
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
EP97116203A
Other languages
German (de)
French (fr)
Other versions
EP0835955B1 (en
EP0835955A2 (en
EP0835955A3 (en
Inventor
Wolfgang Hellhake
Regine Hockeler
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
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Publication date
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Priority claimed from DE19641819A external-priority patent/DE19641819C2/en
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP0835955A2 publication Critical patent/EP0835955A2/en
Publication of EP0835955A3 publication Critical patent/EP0835955A3/en
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Publication of EP0835955B1 publication Critical patent/EP0835955B1/en
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/02—Characteristics of laundry or load
    • D06F2101/06—Type or material
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/12—Washing 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/06—Type or material
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/10—Temperature of washing liquids; Heating means therefor
    • 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
    • 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
    • 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
    • D06F34/18—Condition of the laundry, e.g. nature or weight

Definitions

  • the invention relates to a method for washing a laundry load composed of laundry articles of different types of fabric according to the preamble of claim 1. Such a process is known from US-A-5 161 393.
  • a washing machine for carrying out such a process is marketed by the company Candy under the name CT 946 T.
  • a so-called universal program can be selected for a colorfast loading mix of 2 kg (recommended maximum load) from coloreds and easy-care textiles.
  • the user is offered the advantage that he no longer has to pre-sort his laundry.
  • a disadvantage is to be considered that the program parameters used in the universal program with respect to washing speed, water level and washing time are fixed. In order to ensure adequate safety against laundry damage and creasing, these program parameters are largely adapted to those of a care-free program. With a high proportion of heavily soiled coloreds, therefore, a poor washing result is achieved due to the reduced washing mechanics.
  • Washing machines are known from EP 0 159 202 A1 and from FR-A-2 484 487, in which at the beginning of the program laundry parameters (absorption behavior of the laundry, laundry weight) are determined from which it is possible to determine the composition of the laundry item.
  • laundry parameters absorption behavior of the laundry, laundry weight
  • the absorbent properties of wool are similar to those of highly absorbent cotton, such as terry toweling.
  • these two textiles are very different in terms of their allowable treatment. While in Terry high temperatures and high washing and spinning speeds are possible and to achieve a good washing result are also desired, they lead to felting wool.
  • the invention thus raises the problem of optimizing the washing or rinsing effect in a washing machine or a washing method of the type mentioned and at the same time to ensure easy operation.
  • the advantage achievable with the invention consists in the automatic consideration of the composition of the laundry.
  • the user on the one hand a high degree of ease of use is offered, since the sorting of the laundry and the need for a separation of coloreds and easy-care textiles is eliminated.
  • the spin speed With a limitation of the spin speed also the risk of misadjustment is also avoided.
  • a washing machine has a control panel (1) with a rotary selector switch (2), can be set on the dependent on the type of fabric washing programs such as cooking / coloreds, delicates, easy care or wool.
  • Pushbuttons (3) can be used to vary these programs via additional functions.
  • a temperature selection integrated on the rotary selector switch (2) different temperature values can be assigned to these programs.
  • a mixing laundry program (5) can be set with the rotary selector switch (2). This program makes it possible to wash a colorfast load mix of a maximum of 3 kg of coloreds and easy-care textiles at a fixed temperature of 40 ° C.
  • the washing program is in a known manner by a microprocessor controller (6) with regard to its program parameters, liquor temperature, Drum speed, amount of water, washing time, etc. affected.
  • the inventively constructed washing machine has a tub (8) and a known from DE 44 38 760 A1 level detection device for detecting at least two levels, of a first filling level N max and a second, lying below N max level N min.
  • a time measuring device (7) is present, 'which measures the suction times t si from reaching the first filling level N max to the fall of the water level to the level N min .
  • the levels are detected by an analog pressure sensor ADS (9), the water level-dependent pressure values p i (N) in the form of a measuring voltage U pi (N) passes on to the microprocessor control, which in turn converts them into levels.
  • the microprocessor control (6) closes on the composition of the Wäschepostens. With a suction time t s1 of more than 30 seconds, an easy-care program is continued. If the suction time is less than 30 seconds, the washing program will be continued as a modified kitchen linen / color wash program.
  • the liquor temperature is either set at 40 ° C (variant 1) or regulated to a value selected by the user (variant 2). Washing water level is increased from 65mmWs to 45mmWs by conventional cooking clothes programs. In addition, the spin speed is limited to 900 rpm regardless of its selected size.

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

Abstract

The washing machine has a program selection to set the type of fabric in the garments being washed and the washing program according to the required washing temperature with a mixed load of different types of garment fabrics. The program control operates the washing machine cycles according to the program parameters. A unit measures the volume of the load and/or the parameters according to the type of load. A further program has at least two program sections in the main washing program, where one is selected according to the measured parameters.

Description

Die Erfindung betrifft ein Verfahren zum Waschen eines Wäschepostens, der aus Wäschestücken unterschiedlicher Gewebearten zusammengesetzt ist, nach dem Oberbegriff des Anspruchs 1. Ein solches Verfahren ist aus der US-A-5 161 393 bekannt.The invention relates to a method for washing a laundry load composed of laundry articles of different types of fabric according to the preamble of claim 1. Such a process is known from US-A-5 161 393.

Eine Waschmaschine zur Durchführung eines solchen Verfahrens wird von der Fa. Candy unter der Bezeichnung CT 946 T vertrieben. Bei dieser Waschmaschine kann für einen farbechten Beladungsmix von 2 kg (empfohlene Maximalbeladung) aus Buntwäsche und pflegeleichten Textilien ein sogenanntes Universalprogramm gewählt werden. Hierdurch wird dem Benutzer der Vorteil geboten, daß er seine Wäsche nicht mehr vorsortieren muß. Als nachteilig ist dabei anzusehen, daß die im Universalprogramm verwendeten Programmparameter bezüglich Waschdrehzahl, Wasserstand und Waschzeit festgelegt sind. Um ausreichende Sicherheit vor Wäscheschä den und Knitterbildung zu gewährleisten, sind diese Programmparameter weitestgehend denen eines Pflegeleicht-Programms angepasst. Bei einem hohen Anteil stark verschmutzter Buntwäsche wird deshalb aufgrund der verringerten Waschmechanik ein schlechtes Waschergebnis erreicht. Außerdem ist bei der CT 946 T das Schleudern der Wäsche sowohl vor den Spülgängen (Zwischenschleudern) als auch zum Programmende (Endschleudem) ausgeblendet. Der Benutzer erkauft sich also den gewonnenen Komfort aufgrund des fehlenden Zwischenschleudems mit einem schlechteren Spülergebnis und mit der Notwendigkeit, das Endschleudern durch ein zusätzlich gewähltes Schleuderprogramm durchführen zu müssen. Dabei besteht dann auch noch die Gefahr, dass bei einem hohen Anteil von pflegeleichten Textilien eine zu hohe Schleuderdrehzahl gewählt wird.A washing machine for carrying out such a process is marketed by the company Candy under the name CT 946 T. With this washing machine, a so-called universal program can be selected for a colorfast loading mix of 2 kg (recommended maximum load) from coloreds and easy-care textiles. As a result, the user is offered the advantage that he no longer has to pre-sort his laundry. A disadvantage is to be considered that the program parameters used in the universal program with respect to washing speed, water level and washing time are fixed. In order to ensure adequate safety against laundry damage and creasing, these program parameters are largely adapted to those of a care-free program. With a high proportion of heavily soiled coloreds, therefore, a poor washing result is achieved due to the reduced washing mechanics. In addition, with the CT 946 T, the spinning of the laundry is hidden both before the rinse cycles (intermediate spin) and at the end of the program (final steaming). The user thus buys the comfort gained due to the lack of Zwischenschleudems with a poorer dishwashing result and with the need to perform the final spin through an additionally selected spin program. In this case, there is also the danger that too high a spin speed is selected for a high proportion of easy-care textiles.

Aus der EP 0 159 202 A1 und aus der FR-A-2 484 487 sind Waschmaschinen bekannt, bei denen zu Programmbeginn Wäscheparameter (Saugverhalten der Wäsche, Wäschegewicht) bestimmt werden, aus denen ein Rückschluss auf die Zusammensetzung des Wäschepostens möglich ist. Hierbei können jedoch erhebliche Fehler entstehen, die schlimmstenfalls zu einer Zerstörung der Wäsche führen. Das Saugverhalten von Wolle gleicht dem von stark saugfähiger Baumwolle, beispielsweise Frottier. Diese beiden Textilien unterscheiden sich aber sehr stark hinsichtlich ihrer zulässigen Behandlung. Während bei Frottier hohe Temperaturen und hohe Wasch- und Schleuderdrehzahlen möglich und zur Erzielung eines guten Waschergebnisses auch gewünscht sind, führen sie bei Wolle zum Verfilzen.Washing machines are known from EP 0 159 202 A1 and from FR-A-2 484 487, in which at the beginning of the program laundry parameters (absorption behavior of the laundry, laundry weight) are determined from which it is possible to determine the composition of the laundry item. However, this can cause significant errors that lead to the destruction of the laundry in the worst case. The absorbent properties of wool are similar to those of highly absorbent cotton, such as terry toweling. However, these two textiles are very different in terms of their allowable treatment. While in Terry high temperatures and high washing and spinning speeds are possible and to achieve a good washing result are also desired, they lead to felting wool.

Der Erfindung stellt sich somit das Problem, bei einer Waschmaschine bzw. einem Waschverfahren der eingangs genannten Art die Wasch- bzw. Spülwirkung zu optimieren und gleichzeitig eine einfache Bedienung zu gewährleisten.The invention thus raises the problem of optimizing the washing or rinsing effect in a washing machine or a washing method of the type mentioned and at the same time to ensure easy operation.

Erfindungsgemäß wird dieses Problem durch ein Waschverfahren mit den Merkmalen des unabhängigen Patentanspruch gelöst.According to the invention this problem is solved by a washing process with the features of the independent claim.

Der mit der Erfindung erreichbare Vorteil besteht in der automatischen Berücksichtigung der Zusammensetzung der Wäsche. Hierdurch wird dem Benutzer zum einen ein hohes Maß an Bedienkomfort geboten, da das Sortieren der Wäsche und die Notwendigkeit einer Trennung von Buntwäsche und pflegeleichten Textilien entfällt. Zum anderen ist trotzdem ein hohes Maß an Sicherheit gegeben, bei jeder Zusammensetzung der Wäsche ein gutes Wasch- und Spülergebnis zu erhalten. Bei einer Begrenzung der Schleuderdrehzahl wird zudem noch die Gefahr einer Fehleinstellung vermieden.The advantage achievable with the invention consists in the automatic consideration of the composition of the laundry. As a result, the user on the one hand a high degree of ease of use is offered, since the sorting of the laundry and the need for a separation of coloreds and easy-care textiles is eliminated. On the other hand, there is nevertheless a high degree of security in obtaining a good washing and rinsing result for every composition of the laundry. With a limitation of the spin speed also the risk of misadjustment is also avoided.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt:

Figur 1
Das Bedienfeld (1) eines erfindungsgemäß aufgebauten Waschautomaten
Figur 2
den Programmablaufplan eines Mischwäsche-Programms (5), welches das erfindungsgemäße Verfahren beinhaltet.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. It shows:
FIG. 1
The control panel (1) of a washing machine constructed according to the invention
FIG. 2
the program flowchart of a mixed laundry program (5), which includes the inventive method.

Eine Waschmaschine besitzt ein Bedienfeld (1) mit einem Drehwahlschalter (2), über den von der Gewebeart abhängige Waschprogramme wie Kochwäsche/Buntwäsche, Feinwäsche, Pflegeleicht oder Wolle eingestellt werden können. Über Drucktasten (3) können diese Programme über Zusatzfunktionen variiert werden. Durch eine auf dem Drehwahlschalter (2) integrierte Temperaturwahl können diesen Programmen verschiedene Temperaturwerte zugeordnet werden. Zusätzlich zu den Programmen für spezielle Gewebe, beispielsweise Koch-/Buntwäsche 60°C (4) kann mit dem Drehwahlschalter (2) ein Mischwäsche-Programm (5) eingestellt werden. Dieses Programm ermöglicht es, einen farbechten Beladungsmix von maximal 3 kg Buntwäsche und pflegeleichten Textilien bei einer Festtemperatur von 40°C zu waschen. Anstelle einer festen Temperaturzuordnung ist alternativ eine integrierte Temperaturwahlmöglichkeit von kalt bis 60°C denkbar. Das Waschprogramm wird in bekannter Weise durch eine Mikroprozessor-Steuerung (6) hinsichtlich seiner Programmparameter, Laugentemperatur, Trommeldrehzahl, Wassermenge, Waschzeit usw. beeinflußt.A washing machine has a control panel (1) with a rotary selector switch (2), can be set on the dependent on the type of fabric washing programs such as cooking / coloreds, delicates, easy care or wool. Pushbuttons (3) can be used to vary these programs via additional functions. By means of a temperature selection integrated on the rotary selector switch (2), different temperature values can be assigned to these programs. In addition to the programs for special fabrics, for example 60 ° C (4), a mixing laundry program (5) can be set with the rotary selector switch (2). This program makes it possible to wash a colorfast load mix of a maximum of 3 kg of coloreds and easy-care textiles at a fixed temperature of 40 ° C. Instead of a fixed temperature allocation, an integrated temperature selection option from cold to 60 ° C is alternatively conceivable. The washing program is in a known manner by a microprocessor controller (6) with regard to its program parameters, liquor temperature, Drum speed, amount of water, washing time, etc. affected.

Die erfindungsgemäß aufgebaute Waschmaschine besitzt einen Laugenbehälter (8) und eine aus der DE 44 38 760 A1 bekannte Niveauerfassungseinrichtung zur Erfassung von mindestens zwei Niveaus, und zwar von einem ersten Füllniveau Nmax und einem zweiten, unterhalb von Nmax liegenden Niveau Nmin. Außerdem ist eine Zeitmesseinrichtung (7) vorhanden,' welche die Saugzeiten tsi vom Erreichen des ersten Füllniveaus Nmax bis zum Absinken des Wasserstands auf das Niveau Nmin mißt. Die Niveaus werden durch einen analogen Drucksensor ADS (9) erfaßt, der wasserstandsabhängige Druckwerte pi(N) in Form einer Meßspannung Upi(N) an die Mikroprozessor-Steuerung weitergibt, welche diese wiederum in Niveaus umrechnet.The inventively constructed washing machine has a tub (8) and a known from DE 44 38 760 A1 level detection device for detecting at least two levels, of a first filling level N max and a second, lying below N max level N min. In addition, a time measuring device (7) is present, 'which measures the suction times t si from reaching the first filling level N max to the fall of the water level to the level N min . The levels are detected by an analog pressure sensor ADS (9), the water level-dependent pressure values p i (N) in the form of a measuring voltage U pi (N) passes on to the microprocessor control, which in turn converts them into levels.

Nach dem Einlegen der Wäsche und der Anwahl des Programms Mischwäsche (5) über den Drehwahlschalter (2) läuft der Programmabschnitt "Hauptwäsche" dieses Programms wie in Figur 2 dargestellt ab:After inserting the laundry and selecting the program mixing laundry (5) via the rotary selector switch (2) runs the program section "main wash" this program as shown in Figure 2 from:

Zunächst erfolgt eine Eingangsüberprüfung (A) des Druckwertes p durch den ADS (9), um festzustellen, ob im Laugenbehälter (8) der Waschmaschine noch Restwasser vorhanden ist oder die Wäsche tropfnaß eingelegt wurde. Ist dies der Fall, wird das Waschprogramm sicherheitshalber als Pflegeleicht-Programm fortgesetzt, da von der Zeiterfassungseinrichtung keine Saugzeiten mehr ermittelt werden können, die auf die Zusammensetzung der Wäsche schließen lassen.First, an input check (A) of the pressure value p by the ADS (9) to determine whether in the tub (8) of the washing machine residual water is still present or the laundry was placed dripping wet. If this is the case, the wash program is continued as a precaution as a low-care program, since the time recording device no more suction times can be determined that indicate the composition of the laundry.

Wenn der Druckwert kleiner als ein Schwellenwert p0 = 10 mmWs ist, erfolgt der erste Füllvorgang (B) bis zum Niveau p1 = 75 mmWs (= Nmax). Zur Sicherheit wird in jedem Fall 30 Sekunden lang Wasser eingefüllt. Hierdurch wird gewährleistet, daß bei starkem Schaumaufkommen (Überdosierung des Waschmittels) eine Wassermindestmenge im Laugenbehälter vorhanden ist. Nach dem Erreichen von Nmax wird der Füllvorgang durch Schließen des Magnetventils beendet und die Trommel mit einer Drehzahl von 40 U/min gedreht. Dabei saugt die Wäsche einen Teil des in den Laugenbehälter (8) eingefüllten Wassers wieder auf. Es erfolgt eine Messung der 1. Saugzeit ts1 (C) vom Schließen des Magnetventils beim erreichen des Niveaus Nmax bis zum Erreichen des Niveaus Nmin = 35 mmWs.When the pressure value, then less than a threshold p is 0 = 10 mm water column of the first filling process (B) up to the level p 1 = 75 mm water column (= N max). For safety, water is always added for 30 seconds. This ensures that in case of heavy foam (overdosing of the detergent) a minimum amount of water in the tub is present. After reaching N max , the filling operation is terminated by closing the solenoid valve and the drum is rotated at a speed of 40 rpm. The laundry absorbs a portion of the filled into the tub (8) water again. The first suction time t s1 (C) is measured from closing the solenoid valve when reaching the level N max until reaching the level N min = 35 mmWs.

Anhand dieser ersten Saugzeit schließt die Mikroprozessor-Steuerung (6) auf die Zusammensetzung des Wäschepostens. Bei einer Saugzeit ts1 von mehr als 30 Sekunden wird mit einem Pflegeleicht-Programm fortgefahren. Liegt die Saugzeit unter 30 Sekunden, wird das Waschprogramm als modifiziertes Kochwäsche/Buntwäsche-Programm fortgesetzt. Die Laugentemperatur wird dabei entweder auf 40°C festgesetzt (Variante 1) oder auf einen vom Benutzer gewählten Wert geregelt (Variante 2). Der Wasserstand beim Waschen wird gegenüber dem von herkömmlichen KochwäschelBuntwäsche-Programmen (45 mmWs) auf 65 mmWs erhöht. Außerdem wird die Schleuderdrehzahl unabhängig von ihrer gewählten Größe auf 900 U/min begrenzt.Based on this first suction time, the microprocessor control (6) closes on the composition of the Wäschepostens. With a suction time t s1 of more than 30 seconds, an easy-care program is continued. If the suction time is less than 30 seconds, the washing program will be continued as a modified kitchen linen / color wash program. The liquor temperature is either set at 40 ° C (variant 1) or regulated to a value selected by the user (variant 2). Washing water level is increased from 65mmWs to 45mmWs by conventional cooking clothes programs. In addition, the spin speed is limited to 900 rpm regardless of its selected size.

Claims (1)

  1. Method of washing washloads, which comprise items of laundry of different fabric types, in a washing machine having a control panel, in which are disposed a rotatable selector switch and/or a pressure switch which, on the one hand, are used to set a washing program which is dependent on the fabric type (laundry to be boiled/coloured laundry, easy-care, wool) and on the temperature and, on the other hand, permit the setting of a program to wash a washload (mixed laundry 40° C), which comprises items of laundry of different fabric types, and having a program control which runs the set program, taking account of program parameters stipulated therefor, one laundry parameter being intended at the beginning of the program for mixed laundry, which parameter permits an inference to the composition of the washload, and in that those programmed operations, whereby the program is continued, are subsequently determined from a number of selectable programmed operations in dependence on the measured laundry parameter, characterised in that a restriction to a maximum rotational speed occurs independently of the rotational speed set, and the water level is increased compared with the level of a conventional program for laundry to be boiled/coloured laundry, and in that the suction time from initially reaching an upper water level to the initial dropping to a lower water level is measured as the laundry parameter.
EP97116203A 1996-10-10 1997-09-18 Programme controlled washing machine Expired - Lifetime EP0835955B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19641819A DE19641819C2 (en) 1996-10-10 1996-10-10 Method for washing laundry items and washing machine for performing this method
DE19641819 1996-10-10
DE19648838 1996-11-26
DE19648838 1996-11-26

Publications (4)

Publication Number Publication Date
EP0835955A2 EP0835955A2 (en) 1998-04-15
EP0835955A3 EP0835955A3 (en) 1999-01-20
EP0835955B1 EP0835955B1 (en) 2002-12-11
EP0835955B2 true EP0835955B2 (en) 2007-06-06

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EP97116203A Expired - Lifetime EP0835955B2 (en) 1996-10-10 1997-09-18 Programme controlled washing machine

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EP (1) EP0835955B2 (en)
AT (1) ATE229585T1 (en)
DE (1) DE59708935D1 (en)
ES (1) ES2188838T5 (en)

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DE19910066A1 (en) * 1999-03-08 2000-09-14 Bsh Bosch Siemens Hausgeraete Program-controlled laundry care device
WO2001096645A2 (en) * 2000-06-12 2001-12-20 The Procter & Gamble Company Method and system for optimizing performance of consumer appliances
DE102006024505B3 (en) * 2006-05-23 2007-05-31 Miele & Cie. Kg Method for operating a horizontal axis front loading washing machine has an additional program step at the end of the wash process to clean the wash drum
EP2292831B1 (en) * 2009-09-02 2011-10-26 Miele & Cie. KG Method for operating a washing machine, control device and washing machine
ES2528728T3 (en) * 2010-09-01 2015-02-12 Miele & Cie. Kg Procedure to operate a washing machine with steam generating device and washing machine
IT201700096881A1 (en) * 2017-08-29 2019-03-01 Candy Spa Washing machine and method for selecting washing modes for a washing machine

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US5161393A (en) † 1991-06-28 1992-11-10 General Electric Company Electronic washer control including automatic load size determination, fabric blend determination and adjustable washer means
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US5161393A (en) † 1991-06-28 1992-11-10 General Electric Company Electronic washer control including automatic load size determination, fabric blend determination and adjustable washer means
DE4122307A1 (en) † 1991-07-05 1993-01-14 Licentia Gmbh Registering program control parameters for washing machines for small or large laundry vol. - using revolution speed electronics reversibly driven drum, water supply system regulated irrespective of operational pressure, and level control system
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Also Published As

Publication number Publication date
DE59708935D1 (en) 2003-01-23
EP0835955B1 (en) 2002-12-11
EP0835955A2 (en) 1998-04-15
EP0835955A3 (en) 1999-01-20
ES2188838T5 (en) 2007-11-01
ES2188838T3 (en) 2003-07-01
ATE229585T1 (en) 2002-12-15

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