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EP1029964B1 - Process for displaying information to the user in a programme-controlled washing machine and washing machine implementing such a process - Google Patents

Process for displaying information to the user in a programme-controlled washing machine and washing machine implementing such a process Download PDF

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Publication number
EP1029964B1
EP1029964B1 EP00102741A EP00102741A EP1029964B1 EP 1029964 B1 EP1029964 B1 EP 1029964B1 EP 00102741 A EP00102741 A EP 00102741A EP 00102741 A EP00102741 A EP 00102741A EP 1029964 B1 EP1029964 B1 EP 1029964B1
Authority
EP
European Patent Office
Prior art keywords
display
washing
weight
value
programme
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
EP00102741A
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German (de)
French (fr)
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EP1029964A3 (en
EP1029964A2 (en
Inventor
Christian Beier
Uwe Hein
Rudolf Herden
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Miele und Cie KG
Original Assignee
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 EP1029964A2 publication Critical patent/EP1029964A2/en
Publication of EP1029964A3 publication Critical patent/EP1029964A3/en
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Publication of EP1029964B1 publication Critical patent/EP1029964B1/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
    • D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens
    • 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
    • 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
    • D06F34/30—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by mechanical features, e.g. buttons or rotary dials
    • 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
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42—Detergent or additive 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F34/20—Parameters relating to constructional components, e.g. door sensors

Definitions

  • the invention relates to a method for displaying the laundry weight and the selected Washing program-dependent user information in a program-controlled washing machine, especially household washing machine, with a control panel in which a program selection device for setting a washing program depending on the type of laundry and a display device for displaying user information are arranged with a tub in which a drum for receiving laundry is rotatably mounted is, with a sensor for detecting the weight of the laundry in the drum and with a microprocessor control, which is dependent on that detected by the sensor Weight calculated state variables and user information and this in a display device represents
  • a washing machine is known from EP 0 396 058 A1, in which strain gauges are used as Weight sensors are used and the weight signal recorded with these sensors is further processed by the microprocessor control.
  • the amount of detergent required for the washing program is displayed, in addition, the weight value is used internally to control the amount of water and other parameters used. More information about the way of displaying the amount of detergent are not present in the above-mentioned document, moreover, the user does not convey any further information that is dependent on the laundry weight itself or on it Affect program parameters.
  • EP 844 326 A1 describes a display device for a control system Washing machine known.
  • display elements within this system provided, which gives the user information about the consumption of water and water, via selected program parameters (temperature, spin speed, type of laundry, laundry weight %) and about the progress of the program with regard to what has just been processed Give the program step and the remaining time.
  • This system due to the variety of advertisements very confusing.
  • the washing machine equipped with the system Sensors are provided with which the energy and detergent consumption are controlled can. In connection with the aforementioned advertisements, the user is admittedly Given information about the current program, but this does not help him with the Operation of the washing machine, for example when dimensioning the detergent for the Program which he wishes to start.
  • GB 2 008 286 A is an operating device for a household appliance, in the example shown a washing machine, known, which has a variety of controls of program parameters and has display elements assigned to the control elements. Amongst other things the laundry weight estimated by him can be entered by the user. A Weight measurement and a dependent display of user information is not intended.
  • the invention therefore has the problem of a method for displaying user information of the type mentioned or a washing machine to carry out a such a process to disclose a comprehensive account of those user-relevant data of the washing process, which depend on the laundry weight simple way is possible.
  • washing machine with the features specified in claim 8.
  • the advantages of such Washing machine are on the one hand in the inexpensive, because to represent different Information is used only a single display element, on the other hand, this is the Clarity guaranteed for the user.
  • the washing machine shown in Figure 1 has a tub (2) in which a Drum (3) is rotatably mounted to hold laundry.
  • the tub (2) for washing water and detergent via the drawer (4a) of a detergent dispenser drawer (4) fed.
  • the drum (3) is reversed by a motor (5) added.
  • the tub (2) can be swiveled in the housing by springs (6) (1) suspended and is used to dampen these vibrations in the lower area Shock absorber (7) supported against the housing base (1a).
  • the closure of the tub (2) through a door (not shown) attached to the front wall of the housing, which by an electromagnetic locking device (8) in its closed position is held. In the closed position, the locking device (8) gives a signal to the microprocessor control (9) described later.
  • a microprocessor control (9) is used to control the different washing programs. provided that via signal lines (10a) with various transducers and controls (see Figure 2a-d) is connected. It issues time and status-dependent commands via control lines (10b) to various actuators (motor 5, valves, not shown, etc.).
  • the Microprocessor controls (9) are assigned to non-volatile memories (9a-c). In the microprocessor control (9) an evaluation circuit is integrated.
  • Weight sensor (11) with which the loading quantity of the drum (3) can be determined.
  • Sensor (11) is, in a known manner, a position sensor arranged parallel to the shock absorber (7) used with which the weight-dependent suds container altitude is recorded becomes.
  • Other weight sensors for example strain gauges, can also be used be used.
  • the static part of the position sensor signal is controlled by the microprocessor (9) evaluated to determine the laundry weight.
  • a wash program is selected and started using controls (rotary selector switch, non-latching pushbuttons, latching pushbuttons), which together with display elements are arranged in a control panel (12) shown in FIG.
  • controls rotary selector switch, non-latching pushbuttons, latching pushbuttons
  • a rotary selector switch (14) is used to set various washing programs, which are related to distinguish between the type of laundry and the washing temperature.
  • Around this rotary selector switch is a ring lighting (15) arranged in a circle.
  • An additional push button (16) can be used further differentiation of the selected program can be made.
  • After the selection the washing program with these controls is carried out by pressing a start push button (17) started.
  • the start pushbutton (17) is also illuminated Assigned shape of a start LED (18).
  • a display device for displaying user information, which depend on the weight of the laundry in the drum (3). This information relates to the weight of the laundry itself, the amount of detergent to be used Carrying out the selected washing program with the determined laundry weight is necessary and the program duration of the selected washing program depending on the determined amount of laundry, hereinafter referred to as the remaining time.
  • the display device exists from an LCD display (19) for displaying letters and numbers and from three below one another arranged display LEDs (20a; 20b; 20c), namely a laundry quantity LED (20a), a detergent LED (20b) and a remaining time LED (20c). Each indicator LED is there an information (laundry weight, detergent, remaining time) assigned and accordingly labeled.
  • a push button (21) is arranged, which for Switching the displayed information is used.

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

Abstract

The first storage (9a) stores permissible maximum washing weights; the second storage (9b) is for ideal detergent volumes; and the third (9c) for program times. The first and third storage values are associated with a wash program or the laundry type and weight associated with the program. An evaluator circuit integrated into the microprocessor control retrieves the storage values of all the storage and calculates three sets of display values.

Description

Die Erfindung betrifft ein Verfahren zur Anzeige von vom Wäschegewicht und vom gewählten Waschprogramm abhängigen Benutzerinformationen in einer programmgesteuerten Waschmaschine, insbesondere Haushaltswaschmaschine, mit einem Bedienfeld, in dem eine Programmwahleinrichtung zur Einstellung eines von der Wäscheart abhängigen Waschprogramms und eine Anzeigevorrichtung zur Darstellung von Benutzerinformationen angeordnet sind, mit einem Laugenbehälter, in welchem eine Trommel zur Aufnahme von Wäsche drehbar gelagert ist, mit einem Sensor zur Erfassung des Gewichts der in der Trommel befindlichen Wäsche und mit einer Mikroprozessor-Steuerung, welche in Abhängigkeit von dem mit dem Sensor erfassten Gewicht Zustandsgrößen und Benutzerinformationen berechnet und diese in einer Anzeigevorrichtung darstelltThe invention relates to a method for displaying the laundry weight and the selected Washing program-dependent user information in a program-controlled washing machine, especially household washing machine, with a control panel in which a program selection device for setting a washing program depending on the type of laundry and a display device for displaying user information are arranged with a tub in which a drum for receiving laundry is rotatably mounted is, with a sensor for detecting the weight of the laundry in the drum and with a microprocessor control, which is dependent on that detected by the sensor Weight calculated state variables and user information and this in a display device represents

Aus der EP 0 396 058 A1 ist eine Waschmaschine bekannt, bei der Dehnungsmessstreifen als Gewichtssensoren eingesetzt werden und bei der das mit diesen Sensoren erfasste Gewichtssignal von der Mikroprozessor-Steuerung weiterverarbeitet wird. In Abhängigkeit von dem ermittelten Gewichtswert erfolgt die Anzeige einer für das Waschprogramm notwendigen Waschmittelmenge, zusätzlich wird der Gewichtswert intern zur Steuerung der Wassermenge und anderer Parameter verwendet. Nähere Angaben über die Art der Anzeige der Waschmittelmenge sind in der vorgenannten Schrift nicht vorhanden, außerdem werden dem Benutzer keine weiteren Informationen vermittelt, die das Wäschegewicht selbst oder davon abhängige Programmparameter betreffen.A washing machine is known from EP 0 396 058 A1, in which strain gauges are used as Weight sensors are used and the weight signal recorded with these sensors is further processed by the microprocessor control. Depending on the determined Weight value, the amount of detergent required for the washing program is displayed, in addition, the weight value is used internally to control the amount of water and other parameters used. More information about the way of displaying the amount of detergent are not present in the above-mentioned document, moreover, the user does not convey any further information that is dependent on the laundry weight itself or on it Affect program parameters.

Aus der DE 38 38 998 A1 ist eine Waschmaschine bekannt, bei der das Gewicht der Wäsche durch eine über eine Blattfeder mit dem Laugenbehälter verbundene Anzeigeplatte in einem Anzeigefenster auf der Bedienblende dargestellt wird. Mit einer solchen Anzeigevorrichtung ist nur die absolute Gewichtszunahme des Laugenbehälters durch die Wäschebeladung darstellbar.From DE 38 38 998 A1 a washing machine is known in which the weight of the laundry by a display plate connected to the tub with a leaf spring in one Display window is shown on the control panel. With such a display device only the absolute weight gain of the suds container can be represented by the laundry load.

Aus der EP 844 326 A1 ist eine als Steuersystem bezeichnete Anzeigevorrichtung für eine Waschmaschine bekannt. Innerhalb dieses Systems ist eine Vielzahl von Anzeigeelementen vorgesehen, welche dem Benutzer Aufschluss über den Verbrauch von Wasser und Wasser, über gewählte Programmparameter (Temperatur, Schleuderdrehzahl, Wäscheart, Wäschegewicht ...) und über den Programmfortschritt hinsichtlich des gerade abgearbeiteten Programmschrittes und der Restlaufzeit geben. Dieses System aufgrund der Anzeigenvielfalt sehr unübersichtlich. Außerdem sind bei der mit dem System ausgestatteten Waschmaschine Sensoren vorgesehen, mit welchen der Energie- und Waschmittelverbrauch kontrolliert werden kann. In Verbindung mit den vorgenannten Anzeigen werden hierdurch dem Benutzer zwar Informationen über das laufende Programm gegeben, diese helfen ihm aber nicht bei der Bedienung der Waschmaschine, beispielsweise bei einer Bemessung des Waschmittels für das Programm, welches er zu Starten wünscht.EP 844 326 A1 describes a display device for a control system Washing machine known. There are a variety of display elements within this system provided, which gives the user information about the consumption of water and water, via selected program parameters (temperature, spin speed, type of laundry, laundry weight ...) and about the progress of the program with regard to what has just been processed Give the program step and the remaining time. This system due to the variety of advertisements very confusing. In addition, the washing machine equipped with the system Sensors are provided with which the energy and detergent consumption are controlled can. In connection with the aforementioned advertisements, the user is admittedly Given information about the current program, but this does not help him with the Operation of the washing machine, for example when dimensioning the detergent for the Program which he wishes to start.

Aus der GB 2 008 286 A ist eine Bedieneinrichtung für ein Haushaltgerät, im gezeigten Beispiel eine Waschmaschine, bekannt, welche eine Vielzahl von Bedienelementen von Programmparametern und den Bedienelementen zugeordnete Anzeigeelemente besitzt. Unter anderem kann vom Benutzer das von ihm geschätzte Wäschegewicht eingegeben werden. Eine Gewichtsmessung und eine davon abhängige Anzeige von Benutzerinformationen ist nicht vorgesehen.GB 2 008 286 A is an operating device for a household appliance, in the example shown a washing machine, known, which has a variety of controls of program parameters and has display elements assigned to the control elements. Amongst other things the laundry weight estimated by him can be entered by the user. A Weight measurement and a dependent display of user information is not intended.

Der Erfindung stellt sich somit das Problem, ein Verfahren zur Anzeige von Benutzerinformationen der eingangs genannten Art bzw. eine Waschmaschine zur Durchführung eines solchen Verfahrens zu offenbaren, bei dem(der) eine umfassende Darstellung von denjenigen benutzerrelevanten Daten des Waschprozesses, die vom Wäschegewicht abhängig sind, auf einfache Weise möglich ist.The invention therefore has the problem of a method for displaying user information of the type mentioned or a washing machine to carry out a such a process to disclose a comprehensive account of those user-relevant data of the washing process, which depend on the laundry weight simple way is possible.

Die erfindungsgemäße Lösung dieses Problems erfolgt durch ein Verfahren mit den im Patentanspruch 1 angegebenen Merkmalen. Vorteilhafte Weiterbildungen dieses Verfahrens ergeben sich aus den anschließenden Unteransprüchen.This problem is solved according to the invention by a method using the Features specified claim 1. Advantageous further developments of this method result from the subsequent subclaims.

Eine weitere Lösung des der Erfindung zugrunde liegenden Problems erfolgt durch eine Waschmaschine mit den im Anspruch 8 angegebenen Merkmalen. Die Vorteile einer solchen Waschmaschine liegen einerseits in der Preisgünstigkeit, da zur Darstellung verschiedener Informationen nur ein einziges Anzeigeelement gebraucht wird, andererseits wird hierdurch die Übersichtlichkeit für den Benutzer gewährleistet.A further solution to the problem on which the invention is based is achieved by a Washing machine with the features specified in claim 8. The advantages of such Washing machine are on the one hand in the inexpensive, because to represent different Information is used only a single display element, on the other hand, this is the Clarity guaranteed for the user.

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

Figur 1
den schematischen Aufbau einer Waschmaschine
Figur 2
die Anzeigefolge im Bedienfeld einer erfindungsgemäß ausgebildeten Waschmaschine während des Programmstarts
An embodiment of the invention is shown purely schematically in the drawings and is described in more detail below. It shows
Figure 1
the schematic structure of a washing machine
Figure 2
the display sequence in the control panel of a washing machine designed according to the invention during the program start

Die in Figur 1 dargestellte Waschmaschine besitzt einen Laugenbehälter (2), in dem eine Trommel (3) zur Aufnahme von Wäsche drehbar gelagert ist. Dem Laugenbehälter (2) wird zum Waschen Wasser und Waschmittel über die Schublade (4a) eines Waschmitteleinspülkastens (4) zugeführt. Dabei wird die Trommel (3) durch einen Motor (5) in reversierende Drehbewegungen versetzt. Der Laugenbehälter (2) ist an Federn (6) schwingbeweglich im Gehäuse (1) aufgehängt und wird zur Dämpfung dieser Schwingungen im unteren Bereich durch Stoßdämpfer (7) gegenüber dem Gehäuseboden (1a) abgestützt. Der Verschluss des Laugenbehälters (2) erfolgt durch eine an der Vorderwand des Gehäuses befestigte Tür (nicht dargestellt), welche durch eine elektromagnetische Verriegelungseinrichtung (8) in ihrer Verschlussposition gehalten wird. In der Verschlussposition gibt die Verriegelungseinrichtung (8) ein Signal an die später beschriebene Mikroprozessor-Steuerung (9) ab.The washing machine shown in Figure 1 has a tub (2) in which a Drum (3) is rotatably mounted to hold laundry. The tub (2) for washing water and detergent via the drawer (4a) of a detergent dispenser drawer (4) fed. The drum (3) is reversed by a motor (5) added. The tub (2) can be swiveled in the housing by springs (6) (1) suspended and is used to dampen these vibrations in the lower area Shock absorber (7) supported against the housing base (1a). The closure of the tub (2) through a door (not shown) attached to the front wall of the housing, which by an electromagnetic locking device (8) in its closed position is held. In the closed position, the locking device (8) gives a signal to the microprocessor control (9) described later.

Zur Steuerung der verschiedenen Waschprogramme ist eine Mikroprozessor-Steuerung (9) vorgesehen, die über Signalleitungen (10a) mit verschiedenen Messgebem und Bedienelementen (s. Figur 2a-d) verbunden ist. Sie gibt zeit- und zustandsabhängige Befehle über Steuerfeitungen (10b) an verschiedene Aktoren (Motor 5, nicht dargestellte Ventile usw.) weiter. Der Mikroprozessor-Steuerung (9) sind nichtflüchtige Speicher (9a-c) zugeordnet. In der Mikroprozessor-Steuerung (9) ist eine Auswerteschaltung integriert.A microprocessor control (9) is used to control the different washing programs. provided that via signal lines (10a) with various transducers and controls (see Figure 2a-d) is connected. It issues time and status-dependent commands via control lines (10b) to various actuators (motor 5, valves, not shown, etc.). The Microprocessor controls (9) are assigned to non-volatile memories (9a-c). In the microprocessor control (9) an evaluation circuit is integrated.

Unter den Messgebem der erfindungsgemäß ausgebildeten Waschmaschine befindet sich ein Gewichtssensor (11), mit dem die Beladungsmenge der Trommel (3) ermittelt werden kann. Als Sensor (11) wird in bekannter Weise ein parallel zum Stoßdämpfer (7) angeordneter Lagesensor verwendet, mit welchem die gewichtsabhängige Laugenbehälter-Höhenlage erfasst wird. Andere Gewichtssensoren, beispielsweise Dehnungsmessstreifen, können ebenfalls verwendet werden. Der statische Anteil des Lagesensor-Signals wird von der Mikroprozessor-Steuerung (9) zur Bestimmung des Wäschegewichts ausgewertet.There is a measuring transducer of the washing machine designed according to the invention Weight sensor (11) with which the loading quantity of the drum (3) can be determined. As Sensor (11) is, in a known manner, a position sensor arranged parallel to the shock absorber (7) used with which the weight-dependent suds container altitude is recorded becomes. Other weight sensors, for example strain gauges, can also be used be used. The static part of the position sensor signal is controlled by the microprocessor (9) evaluated to determine the laundry weight.

Die Auswahl eines Waschprogramms und sein Start erfolgt mit Bedienelementen (Drehwahlschalter, nichtrastende Drucktasten, rastende Druckschalter), die zusammen mit Anzeigeelementen in einem in Figur 2 dargestellten Bedienfeld (12) angeordnet sind. Durch einen Ein/Aus-Druckschalter (13) wird die Netzspannungszufuhr zum Gerät eingeschaltet. Ein Drehwahlschalter (14) dient zur Einstellung verschiedener Waschprogramme, die sich hinsichtlich der Wäscheart und der Waschtemperatur unterscheiden. Um diesen Drehwahlschalter ist kreisförmig eine Ringbeleuchtung (15) angeordnet. Über Zusatz-Drucktasten (16) kann eine weitere Differenzierung des gewählten Programms vorgenommen werden. Nach der Anwahl des Waschprogramms mit diesen Bedienelementen wird seine Ausführung durch Betätigung einer Start-Drucktaste (17) begonnen. Auch der Start-Drucktaste (17) ist eine Beleuchtung in Form einer Start-LED (18) zugeordnet.A wash program is selected and started using controls (rotary selector switch, non-latching pushbuttons, latching pushbuttons), which together with display elements are arranged in a control panel (12) shown in FIG. Through an on / off pressure switch (13) the mains voltage supply to the device is switched on. A rotary selector switch (14) is used to set various washing programs, which are related to distinguish between the type of laundry and the washing temperature. Around this rotary selector switch is a ring lighting (15) arranged in a circle. An additional push button (16) can be used further differentiation of the selected program can be made. After the selection the washing program with these controls is carried out by pressing a start push button (17) started. The start pushbutton (17) is also illuminated Assigned shape of a start LED (18).

Unter den Anzeigeelementen befindet sich eine Anzeigevorrichtung zur Darstellung von Benutzerinformationen, die vom Gewicht der in der Trommel (3) befindlichen Wäsche abhängig sind. Diese Informationen betreffen das Wäschegewicht selbst, die Waschmittel-Sollmenge, die zur Durchführung des gewählten Waschprogramms mit dem ermittelten Wäschegewicht notwendig ist, und die Programm-Laufzeit des gewählten Waschprogramms in Abhängigkeit von der ermittelten Wäschemenge, im folgenden als Restzeit bezeichnet. Die Anzeigevorrichtung besteht aus einem LCD-Display (19) zur Anzeige von Buchstaben und Zahlen und aus drei untereinander angeordneten Anzeige-LED's (20a;20b;20c), nämlich einer Wäschemengen-LED (20a), einer Waschmittel-LED (20b) und einer Restzeit-LED (20c). Dabei ist jede Anzeige-LED einer Information (Wäschegewicht, Waschmittel, Restzeit) zugeordnet und entsprechend beschriftet. Neben den Anzeige-LED's (20a-c) ist eine Drucktaste (21) angeordnet, die zur Umschaltung der angezeigten Information dient.Under the display elements there is a display device for displaying user information, which depend on the weight of the laundry in the drum (3). This information relates to the weight of the laundry itself, the amount of detergent to be used Carrying out the selected washing program with the determined laundry weight is necessary and the program duration of the selected washing program depending on the determined amount of laundry, hereinafter referred to as the remaining time. The display device exists from an LCD display (19) for displaying letters and numbers and from three below one another arranged display LEDs (20a; 20b; 20c), namely a laundry quantity LED (20a), a detergent LED (20b) and a remaining time LED (20c). Each indicator LED is there an information (laundry weight, detergent, remaining time) assigned and accordingly labeled. In addition to the display LEDs (20a-c), a push button (21) is arranged, which for Switching the displayed information is used.

Im folgenden ist das Verfahren zur Anzeige der vom Wäschegewicht abhängigen Informationen beschrieben. Hierzu ist in Figur 2 die Anzeigefolge beim Bedienfeld (12) der erfindungsgemäß ausgebildeten Waschmaschine zum Programmstart dargestellt :

  • a)
    Nach dem Einschalten der Netzspannungszufuhr durch Betätigung des Ein/Aus-Druckschalters überprüft die Mikroprozessor-Steuerung (9) die Verriegelungseinrichtung (8). Liegt kein Signal für die Verschlussposition vor, d. h., die Tür der Waschmaschine ist geöffnet, und ist kein Programm angewählt, schaltet die in der Mikroprozessor-Steuerung (9) integrierte Auswerteschaltung die Ringbeleuchtung (15) in einen Blinkmodus. Der Benutzer wird so zur Anwahl eines Waschprogramms aufgefordert.
  • b)
    Nach der Einstellung des Drehwahlschalters (14) auf eine Wäscheart wird die Gewichtsanzeige aktiviert. Hierzu ruft die in der Mikroprozessor-Steuerung (9) integrierte Auswerteschaltung aus dem nichtflüchtigen Speicher (9a) einen Wert ab, der dem zulässigen Höchstgewicht für die gewählte Wäscheart entspricht. Anschließend ermittelt sie permanent aus dem Signal des Gewichtssensors (11) einen Gewichtswert für die in der Trommel (3) befindliche Wäsche und berechnet hieraus den prozentualen Anteil des Gewichtswerts vom Wert für das Höchstgewicht. Dieser berechnete Prozentwert wird im LCD-Display (19) darstellt, außerdem wird die Wäschemengen-LED (20a) für die Gewichtsanzeige (Wäschemenge in %) als Art der angezeigten Information angesteuert und erleuchtet. Dem Benutzer wird so während des gesamten Beladungsvorgangs der Füllgrad der Trommel (3) signalisiert. Übersteigt der ermittelte Gewichtswert den Wert für das zulässige Höchstgewicht, wird auf eine Überfüllung durch Blinken einer 100%-Anzeige im LCD-Display (19) hingewiesen.
  • c)
    Nach dem Schließen der Tür ist der Beladungsvorgang beendet. Dies erkennt die in der Mikroprozessor-Steuerung (9) integrierte Auswerteschaltung durch das Verriegelungssignal der elektromagnetischen Verriegelungseinrichtung (8). Es erfolgt dann ein Wechsel von der Gewichtsanzeige zur Waschmittelanzeige. Hierzu ruft die Auswerteschaltung aus dem zweiten Speicher (9b) einen von der gewählten Wäscheart und dem ermittelten Gewichtswert abhängigen Waschmittel-Sollmengenwert ab und stellt diesen Wert im LCD-Display (19) als prozentualen Anteil einer bei Höchstbeladung für die gewählte Wäscheart erforderlichen Waschmittelmenge dar. Außerdem wird die Waschmittel-LED (20b) für die Waschmittelanzeige (Waschmittel %) als Art der angezeigten Information angesteuert. Der Benutzer wird so zur Eingabe von Waschmittel in die Schublade (4a) des Waschmitteleinspülkastens (4) aufgefordert. Außerdem wird ihm durch Blinken der Start-LED (18) die Bereitschaft zur Durchführung des Programms signalisiert.
  • d)
    Durch Betätigung der Starttaste (17) wird das Waschprogramm in Gang gesetzt, die Start-LED leuchtet jetzt permanent. Nun schaltet die in der Mikroprozessor-Steuerung (9) integrierte Auswerteschaltung die Anzeigevorrichtung in den Restzeit-Anzeigemodus weiter. Hierzu ruft sie aus dem nichtflüchtiger Speicher (9a) einen vom gewählten Waschprogramm und dem ermittelten Gewichtswert abhängigen Wert für die Restzeit des gewählten Waschprogramms ab und stellt diesen Wert im LCD-Display (19) dar. Außerdem wird die Restzeit-LED (20c) für die Restzeitanzeige (Restzeit h/min) als Art der angezeigten Information angesteuert. Die angezeigte Restzeit wird im Verlauf des Waschprogramms heruntergezählt. Sie kann evtl. durch später ermittelte Parameter des laufenden Waschvorgangs (Saugzeiten, Drehzahlverhalten des Motors in der Durchfeuchtungsphase usw.) korrigiert werden.
    • The procedure for displaying the information dependent on the laundry weight is described below. For this purpose, the display sequence on the control panel (12) of the washing machine designed according to the invention is shown in FIG.
  • a)
    After switching on the mains voltage supply by actuating the on / off pressure switch, the microprocessor control (9) checks the locking device (8). If there is no signal for the closed position, ie the door of the washing machine is open and no program is selected, the evaluation circuit integrated in the microprocessor control (9) switches the ring lighting (15) into a flashing mode. The user is asked to select a washing program.
  • b)
    After setting the rotary selector switch (14) to a type of laundry, the weight display is activated. For this purpose, the evaluation circuit integrated in the microprocessor control (9) calls up a value from the non-volatile memory (9a) which corresponds to the permissible maximum weight for the selected type of laundry. It then permanently determines a weight value for the laundry in the drum (3) from the signal of the weight sensor (11) and uses this to calculate the percentage of the weight value of the value for the maximum weight. This calculated percentage is shown on the LCD display (19), and the laundry quantity LED (20a) for the weight display (laundry quantity in%) is activated and illuminated as the type of information displayed. The degree of filling of the drum (3) is thus signaled to the user during the entire loading process. If the determined weight value exceeds the value for the permissible maximum weight, an overfill is indicated by the blinking of a 100% indicator on the LCD display (19).
  • c)
    After closing the door, the loading process is finished. This is recognized by the evaluation circuit integrated in the microprocessor control (9) by the locking signal of the electromagnetic locking device (8). There is then a change from the weight display to the detergent display. For this purpose, the evaluation circuit retrieves from the second memory (9b) a target detergent quantity value dependent on the selected type of laundry and the determined weight value and shows this value on the LCD display (19) as a percentage of a quantity of detergent required for the selected type of laundry at maximum load. In addition, the detergent LED (20b) for the detergent display (detergent%) is activated as the type of information displayed. The user is asked to enter detergent into the drawer (4a) of the detergent dispenser drawer (4). The start LED (18) flashes to indicate that the program is ready to run.
  • d)
    The washing program is started by pressing the start button (17), the start LED now lights up permanently. Now the evaluation circuit integrated in the microprocessor control (9) switches the display device to the remaining time display mode. For this purpose, it calls up a value for the remaining time of the selected washing program which is dependent on the selected washing program and the determined weight value from the non-volatile memory (9a) and shows this value on the LCD display (19). In addition, the remaining time LED (20c) for the remaining time display (remaining time h / min) as the type of information displayed. The remaining time displayed is counted down in the course of the washing program. It can possibly be corrected by later determined parameters of the current washing process (suction times, speed behavior of the motor in the moistening phase, etc.).

    • Die vorbeschriebene automatische und vom Bedienungszustand der Waschmaschine abhängige Abfolge der Gewichts-, Waschmittel- und Restzeitanzeige kann durch die Drucktaste (21) manuell verändert werden.The above-described automatic and dependent on the operating state of the washing machine The sequence of the weight, detergent and remaining time can be displayed using the push button (21) can be changed manually.

    Claims (10)

    1. Method of displaying user information, which is dependent upon the weight of the washing and the selected wash programme, in a programme-controlled washing machine (1), in particular a domestic washing machine, having a control panel (12), in which a programme selection device (14) for setting a wash programme, which is dependent upon the washing type, and a display device for presenting user information are disposed, having a detergent solution container (2), in which a drum (3) for receiving washing is mounted rotatably, having a sensor (11) for detecting the weight of the washing situated in the drum (3) and having a microprocessor control (9), which calculates state variables and user information, dependent upon the weight detected by the sensor (11), and presents said variables and information in a display device,
      characterised in that
      an evaluation circuit integrated into the microprocessor control (9) determines values for
      the filling level of the drum,
      a detergent desired quantity,
      a programme running time,
      dependent upon the weight of the washing detected by the sensor and the set washing type and presents in succession the filling level of the drum as first display value, the detergent desired quantity as second display value, and the programme running time as third display value, in a first display part (19) of the display device, and presents the type of respectively displayed information in a second display part (20a-c) of the display device, the progress of the display being effected respectively dependent upon the operating state of the washing machine (1).
    2. Method of displaying user information according to claim 1,
      characterised in that
      the evaluation circuit integrated into the microprocessor control (9), after switching on the power supply to the programme selection device (14), actuates associated illumination or display devices (15) in a flashing mode.
    3. Method of displaying user information according to at least one of the claims 1 or 2,
      characterised in that
      the evaluation circuit integrated into the microprocessor control (9), after setting a wash programme by means of the programmer selection device (14),
      retrieves a value from a first memory (9a), which value corresponds to the permissible maximum weight for the selected washing type,
      determines a weight value for the washing situated in the drum (3) from the signal of the weight sensor (11),
      calculates the percentage proportion of the weight value from the value for the maximum weight,
      presents the calculated percentage value in the first display part (19) of the display device and
      presents the weight display (20a) in the second display part as type of displayed information.
    4. Method of displaying user information according to one or more of the claims 1 to 3,
      characterised in that
      the evaluation circuit integrated into the microprocessor control (9), after receiving a locking signal from a locking device (8) of the detergent solution container (2),
      retrieves a detergent desired quantity value, which is dependent upon the selected washing type and the determined weight value;
      presents this value in the first display part (LCD display 19) of the display device as a percentage proportion of a detergent quantity required for the selected washing type with a maximum filled drum (3) and
      presents the detergent display (20b) in the second display part as type of displayed information.
    5. Method of displaying user information, which is dependent upon the weight of the washing, according to claim 4,
      characterised in that
      the evaluation circuit integrated into the microprocessor control (9), after receiving the locking signal, actuates an illumination or display device (Start-LED 18), associated with a programme start button (17), in a flashing manner.
    6. Method of displaying user information, which is dependent upon the weight of the washing, according to one or more of the claims 1 to 5,
      characterised in that
      the microprocessor control (9), after actuation of the start button (17),
      retrieves a value for the programme running time, which is dependent upon the selected wash programme and the determined weight value, from the third memory (9a),
      presents this value in the first display part (19) of the display device and
      presents the running time display (20c) in the second display part as type of displayed information.
    7. Method of displaying user information, which is dependent upon the weight of the washing, according to one or more of the claims 1 to 6,
      characterised in that
      exceeding the permissible maximum weight for the selected washing type by the weight of the washing is presented by means of a warning signal.
    8. Washing machine (1), in particular a domestic washing machine, for implementing a method according to at least one of the claims 1 to 7, having a control panel (12), in which a programme selection device (14) for setting a wash programme, which is dependent upon the washing type, and a display device for presenting user information are disposed, having a detergent solution container (2), in which a drum (3) for receiving washing is mounted rotatably, having a sensor (11) for detecting the weight of the washing situated in the drum (3) and having a microprocessor control (9), which calculates state variables and user information, dependent upon the weight detected by the sensor (11), and actuates the display device (19, 20a-c) with said variables and information,
      characterised by a first memory (9a), which is integrated into the microprocessor control (9), for storing first memory values in the form of permissible maximum weights which are associated with each wash programme or respectively with the washing type associated with the wash programme, by a second memory (9b) for storing second memory values in the form of detergent desired quantities and by a third memory (9c) for storing third memory values in the form of programme running times, the second and third memory values being associated respectively with a wash programme or respectively with the washing type associated with the wash programme and with a washing weight,
      characterised by an evaluation circuit, which is integrated into the microprocessor control, for retrieving the first, second and third memory values dependent upon the weight of the washing detected by the sensor and upon the set wash programme and for calculating first, second and third display values from the respective memory values,
      and characterised by a display device having a first display part (19) and a second display part (20a-c), there being presented in succession in the first display part (19), the filling level of the drum as first display value, the detergent desired quantity as second display value, and the programme running time as third display value, and, in the second display part (20a-c), there being presented the type of respective display value of the microprocessor control (9).
    9. Washing machine (1) according to claim 8,
      characterised in that
      the evaluation circuit can be bypassed manually by a switch mechanism (21) associated with the second display part (20a-c).
    10. Washing machine (1) according to at least one of the claims 8 or 9,
      characterised in that
      the display values can be presented alphanumerically in the first display part (19).
    EP00102741A 1999-02-17 2000-02-10 Process for displaying information to the user in a programme-controlled washing machine and washing machine implementing such a process Expired - Lifetime EP1029964B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19906348 1999-02-17
    DE19906348 1999-02-17

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    EP1029964A2 EP1029964A2 (en) 2000-08-23
    EP1029964A3 EP1029964A3 (en) 2003-01-02
    EP1029964B1 true EP1029964B1 (en) 2004-10-13

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    EP (1) EP1029964B1 (en)
    AT (1) ATE279565T1 (en)
    DE (2) DE10005991A1 (en)
    ES (1) ES2228314T3 (en)

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    DE102004008737A1 (en) * 2004-02-23 2005-09-08 BSH Bosch und Siemens Hausgeräte GmbH Method and device for guiding a user
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    FR3060026B1 (en) * 2016-12-12 2019-11-08 Groupe Brandt METHOD OF OPERATING A LAUNDRY WASHING APPARATUS
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    DE50008170D1 (en) 2004-11-18
    EP1029964A3 (en) 2003-01-02
    DE10005991A1 (en) 2000-08-24
    ATE279565T1 (en) 2004-10-15
    ES2228314T3 (en) 2005-04-16
    EP1029964A2 (en) 2000-08-23

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