EP1910602B1 - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
EP1910602B1
EP1910602B1 EP06807151A EP06807151A EP1910602B1 EP 1910602 B1 EP1910602 B1 EP 1910602B1 EP 06807151 A EP06807151 A EP 06807151A EP 06807151 A EP06807151 A EP 06807151A EP 1910602 B1 EP1910602 B1 EP 1910602B1
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EP
European Patent Office
Prior art keywords
washing machine
water
control
constructed
hot water
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Not-in-force
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EP06807151A
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German (de)
French (fr)
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EP1910602A1 (en
Inventor
Thomas Kaltofen
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.)
BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL06807151T priority Critical patent/PL1910602T3/en
Publication of EP1910602A1 publication Critical patent/EP1910602A1/en
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    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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
    • D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control

Definitions

  • the invention relates to a washing machine, which is designed for the treatment of hot water (see, for example, the document EP-A-1 548 175 ).
  • a washing machine is designed for the treatment of hot water and has a water storage.
  • This water reservoir for storing hot water is connected to an external water supply.
  • the washing machine comprises a control and communication unit, which is designed to control a treatment process of hot water and to communicate with an external unit.
  • the external unit is to provide information about energy costs, in particular to one via the Internet contactable energy exchange, designed for the operation of the washing machine.
  • the control and communication unit of the washing machine is also designed such that the treatment process of hot water in the water tank can be activated depending on the information provided by the external unit.
  • the inventive washing machine can thus be carried out an effective and efficient treatment of hot water, which can be optimized in terms of the time of day different energy costs. Under a treatment of hot water, in particular, the heating of water contained in the reservoir or conveyed understood.
  • control and communication unit is designed such that the treatment process of hot water can be activated independently of a washing process. It can thereby be achieved that the processing of hot water on the one hand and the performance of a washing process on the other hand can be carried out as separate operations which can be started individually.
  • the control and communication unit may be formed as a single unit. However, it can also be provided that both a control unit and a communication unit are formed as separate units, which are connected to each other for the exchange of information and data. This connection can be wired or wireless.
  • the control and communication unit thus makes it possible in a simple and low-effort manner to initiate and activate as well as to control a treatment process of hot water. This can be done independently of a user of the washing machine and be performed by the control and communication unit in an automatic manner at any time of day.
  • the control and communication unit is advantageously designed such that the treatment process of hot water is activated when the energy costs for energy purchased and purchased via an energy exchange for the operation of the washing machine are lowest. It can thereby be achieved that, irrespective of a washing process to be carried out subsequently, the treatment of hot water can take place at any desired time of day if the energy costs are the most favorable. The costs for a washing process can thereby be significantly reduced.
  • control and communication unit is designed for communication via the Internet. This easily allows the steady possibility of retrieving information from the external unit and communicating "on-line" with that external unit.
  • control and communication unit is programmable. Among other things, it can be determined or how much energy each should be called up from. It can also be provided that the control and communication unit is designed to control the water inlet into the water reservoir. It can be provided that either a certain volume of water, for example, a maximum amount of water is admitted into the water tank and heated to a predetermined temperature, or already existing and present filling the washing machine with laundry, determined in a known manner by a load measurement, and a set washing process, an optimal amount of water is provided, heated and used.
  • the control and communication unit can be designed for wireless or else wired communication with the external unit.
  • LAN or WLAN (wireless local area network) communication networks can be provided here. In principle, however, all other suitable communication networks are possible.
  • control and communication unit when the control and communication unit is not designed for Internet-enabled communication, an external control unit is provided in the house installation, which is electrically connected to the control and communication unit (wireless or wired), said external Control unit is then designed for communication with the external unit of the energy exchange. This communication takes place in particular via the Internet, the external control unit possibly also fulfilling a communication function for other associated household appliances. It can be provided that this external control unit is designed in the house installation for starting a treatment process for hot water.
  • the water storage on a heater and / or a temperature control device.
  • the heating of the water in the water storage can be optimally performed and monitored.
  • the water storage is thermally insulated. It can thereby be achieved that the water warmed up in the water storage by a treatment process can be stored and provided over a long period of time at a relatively high temperature. It is thereby made possible that, when a warming up of the water in the water storage is carried out in night-time, a correspondingly warm water for a washing process to be carried out is also available at the time of day.
  • the hot water stored in the water storage is at least partially available in a subsequent washing process and can be conveyed into a drum of the washing machine. It may further be provided in the washing machine, a pumping system, which is designed for the return of water in a drum of the washing machine during a washing process.
  • a pumping system which is designed for the return of water in a drum of the washing machine during a washing process.
  • the program start is active for performing an individual washing process
  • the preheated amount of water in the water reservoir can be pumped into the drum via an induction bowl of the washing machine and partial water volumes are briefly heated by the pump system again in the water reservoir in order to prevent cooling of the water during a long heating phase.
  • the water tank can be designed as an additional separate water storage in the washing machine.
  • FIG. 1 shows a washing machine 1, which is designed for the treatment of hot water independently of a washing process.
  • the washing machine 1 comprises actuating elements 11a and 11b, by means of which different washing programs can be set and a washing process can be started.
  • actuation elements 11a and / or 11b By means of these actuation elements 11a and / or 11b, a filling process of a water reservoir 13 with water and / or a treatment process, in particular a heating process, of the water in the water reservoir 13 can be specifically started by a user of the washing machine 1.
  • the washing machine 1 has a control and communication unit 12, which is formed in the embodiment as a single unit. It can also be provided that the washing machine 1 has both an internal control unit and a separate internal communication unit, which are designed to exchange information and data.
  • the washing machine 1 the heat-insulated water tank 13, which is designed for storing hot water or heated water.
  • the control and communication unit 12 is designed to control a treatment process of hot water in the water reservoir 13 and to communicate with an external unit 2.
  • the communication between the control and communication unit 12 and the external unit 2 can be carried out wirelessly but also by wire.
  • the communication between these two units 12 and 2 is characterized by the signal connection 2a.
  • control and communication unit 12 is designed for communication via the Internet, so that the information provided by the external unit 2 can be retrieved online by the control and communication unit 12.
  • the external unit 2 is designed to provide information about energy costs of an energy exchange.
  • the washing machine 1 is connected to a water supply 3.
  • an electrical signal connection 3a is formed between the control and communication unit 12 and a control unit (not shown) arranged in the water supply 3.
  • the water supply 3 also has a mechanical connection 3b with the washing machine 1 and in particular with the water storage 13. This is realized, for example, by means of a flexible hose through which the water can flow.
  • control and communication unit 12 continuously retrieves the information provided by the external unit 2 with regard to the energy costs.
  • a treatment process for heating water in the water storage 13 is activated by the control and communication unit 12 when the energy costs on the energy exchange are lowest. This can be done at any time of day, whereby the activation of a treatment process by the control and communication unit can be automatically initiated at any time of the day.
  • a signal is transmitted by the control and communication unit via the signal connection 3 a through which a valve (not shown) in the water supply 3 is opened and water can flow via the mechanical connection 3b from the water supply 3 into the water reservoir 13. It can be controlled by the control and communication unit 12, both the amount of water that should run into this water tank 13, as well as the time how long a treatment process of the water contained in the water tank 13 should be. In an advantageous manner, threshold values are programmed into the control and communication unit 12 in order to be able to set these parameters accordingly.
  • an energy cost threshold value is programmed by a user, in which case activation of a treatment process of hot water then takes place by the control and communication unit 12 when the information about the energy costs of the energy exchange provided via the external unit 2 calculates energy costs indicate which are smaller than or equal to this energy cost threshold.
  • the time period for a treatment process of hot water as well as the amount to be filled into the water storage 13 can be programmed in a preparation process.
  • a programming is carried out to the effect that a treatment process of hot water volume and time takes place until the energy costs on the energy exchange exceed the energy cost threshold again.
  • a heating of the water located in the water tank 13 always maximum water only until such time as a predetermined temperature is reached.
  • the water reservoir 13 has a heating device and a temperature control device (not shown).
  • control and communication unit 12 can thus either a certain volume of water, which corresponds for example to a maximum amount of water required, are embedded in the water tank 13 and heated or already filled the water tank 13 and adjusted wash program by a load measurement an optimized amount of water for the washing process be used and heated up.
  • the preheated and stored in the water tank 13 amount of water pumped via a dispenser shell, not shown in a drum of the washing machine 1, not shown, and to avoid cooling of the water during long heating phase, partial amounts of water through a pump system back into the water tank 13 are briefly pumped back and heated.
  • the water tank 13 may also be formed as an additional extra water tank and thus quasi, for example, be arranged as a second or third water tank in the washing machine 1.

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

Abstract

A washing machine which is designed for preparing hot water, having a water tank connected to an external water supply, and having a control and communication unit for controlling a process for preparing hot water and for communicating with an external unit, wherein the external unit is designed for providing information regarding energy costs for operating the washing machine, and the control and communication unit is designed such that it is possible to activate the process for preparing hot water in the water tank as a function of the information provided by the external unit.

Description

Die Erfindung betrifft eine Waschmaschine, welche zur Aufbereitung von Warmwasser ausgebildet ist (siehe Z.B. das Dokument EP-A-1 548 175 ).The invention relates to a washing machine, which is designed for the treatment of hot water (see, for example, the document EP-A-1 548 175 ).

Zum Durchführen eines Waschprozesses ist es bei einer bekannten Waschmaschine erforderlich, dass das in eine Trommel der Waschmaschine eingeleitete Wasser aufgewärmt wird. Dies erfolgt jedoch erst dann, wenn ein Waschprozess aktiviert ist und ein Nutzer die Waschmaschine zum Durchführen eines Waschvorgangs betätigt. Dabei steht jedoch der zeitliche Aspekt des Nutzers im Vordergrund, da eine Waschmaschine nur dann aktiviert werden kann, wenn sie von dem Nutzer eingeschaltet wird. Dabei wird in der Regel keine Rücksicht darauf genommen, und es ist dem Nutzer der Waschmaschine auch meist gar nicht bekannt, dass die zum Betreiben der Waschmaschine erforderliche Energie an Energiebörsen zu tageszeitlich sehr unterschiedlichen Preisen gehandelt wird. Daher ist es sehr wahrscheinlich, dass ein Waschvorgang beispielsweise gerade zu einem derartigen Zeitpunkt von einem Nutzer gestartet wird, bei dem die Energiekosten zum Betreiben der Waschmaschine relativ hoch sind.To carry out a washing process, it is necessary in a known washing machine that the water introduced into a drum of the washing machine is warmed up. However, this is done only when a washing process is activated and a user operates the washing machine to perform a washing operation. However, the temporal aspect of the user is in the foreground since a washing machine can only be activated if it is switched on by the user. It is usually taken no account of it, and it is the user of the washing machine also usually not known that the required to operate the washing machine energy is traded on energy exchanges at very different times of the day. Therefore, it is very likely that a washing operation, for example, is started at such a time by a user in which the energy cost for operating the washing machine is relatively high.

Daher ist es Aufgabe der vorliegenden Erfindung, eine Waschmaschine zu schaffen, bei welcher die Aufbereitung von Warmwasser in effektiver und effizienter Weise durchgeführt werden kann.Therefore, it is an object of the present invention to provide a washing machine in which the treatment of hot water can be carried out in an effective and efficient manner.

Diese Aufgabe wird durch eine Waschmaschine, welche die Merkmale nach Patentanspruch 1 aufweist, gelöst.This object is achieved by a washing machine having the features of claim 1.

Eine erfindungsgemäße Waschmaschine ist zur Aufbereitung von Warmwasser ausgebildet und weist einen Wasserspeicher auf. Dieser Wasserspeicher zur Speicherung von Warmwasser ist mit einer externen Wasserzuführung verbunden. Des Weiteren umfasst die Waschmaschine eine Steuer- und Kommunikationseinheit, welche zur Steuerung eines Aufbereitungsprozesses von Warmwasser und zur Kommunikation mit einer externen Einheit ausgebildet ist. Die externe Einheit wiederum ist zur Bereitstellung von Informationen über Energiekosten, insbesondere an einer per Internet kontaktierbaren Energiebörse, für den Betrieb der Waschmaschine ausgebildet. Die Steuer- und Kommunikationseinheit der Waschmaschine ist darüber hinaus derart ausgebildet, dass der Aufbereitungsprozess von Warmwasser in dem Wasserspeicher abhängig von den von der externen Einheit bereitgestellten Informationen aktivierbar ist. Durch die erfindungsgemäße Waschmaschine kann somit eine effektive und effiziente Aufbereitung von Warmwasser durchgeführt werden, welche im Hinblick auf die tageszeitlich unterschiedlichen Energiekosten optimiert werden kann. Unter einer Aufbereitung von Warmwasser wird insbesondere das Aufheizen von in dem Wasserspeicher enthaltenen oder eingeförderten Wasser verstanden.A washing machine according to the invention is designed for the treatment of hot water and has a water storage. This water reservoir for storing hot water is connected to an external water supply. Furthermore, the washing machine comprises a control and communication unit, which is designed to control a treatment process of hot water and to communicate with an external unit. The external unit, in turn, is to provide information about energy costs, in particular to one via the Internet contactable energy exchange, designed for the operation of the washing machine. The control and communication unit of the washing machine is also designed such that the treatment process of hot water in the water tank can be activated depending on the information provided by the external unit. The inventive washing machine can thus be carried out an effective and efficient treatment of hot water, which can be optimized in terms of the time of day different energy costs. Under a treatment of hot water, in particular, the heating of water contained in the reservoir or conveyed understood.

In vorteilhafter Weise ist die Steuer- und Kommunikationseinheit derart ausgebildet, dass der Aufbereitungsprozess von Warmwasser unabhängig von einem Waschprozess aktivierbar ist. Dadurch kann erreicht werden, dass das Aufbereiten von Warmwasser einerseits und das Durchführen eines Waschprozesses andererseits als separate Vorgänge durchgeführt werden können, welche individuell gestartet werden können.Advantageously, the control and communication unit is designed such that the treatment process of hot water can be activated independently of a washing process. It can thereby be achieved that the processing of hot water on the one hand and the performance of a washing process on the other hand can be carried out as separate operations which can be started individually.

Die Steuer- und Kommunikationseinheit kann als eine einzige Einheit ausgebildet sein. Es kann jedoch auch vorgesehen sein, dass sowohl eine Steuereinheit als auch eine Kommunikationseinheit als separate Einheiten ausgebildet sind, welche zum Austausch von Informationen und Daten miteinander verbunden sind. Diese Verbindung kann drahtgebunden oder aber auch drahtlos ausgebildet sein. Die Steuer- und Kommunikationseinheit ermöglicht somit in einfacher und aufwandsarmer Weise das Einleiten und Aktivieren sowie das Kontrollieren eines Aufbereitungsprozesses von Warmwasser. Dies kann unabhängig von einem Nutzer der Waschmaschine erfolgen und durch die Steuer- und Kommunikationseinheit in automatischer Weise zu jeder beliebigen Tageszeit durchgeführt werden.The control and communication unit may be formed as a single unit. However, it can also be provided that both a control unit and a communication unit are formed as separate units, which are connected to each other for the exchange of information and data. This connection can be wired or wireless. The control and communication unit thus makes it possible in a simple and low-effort manner to initiate and activate as well as to control a treatment process of hot water. This can be done independently of a user of the washing machine and be performed by the control and communication unit in an automatic manner at any time of day.

Die Steuer- und Kommunikationseinheit ist in vorteilhafter Weise derart ausgebildet, dass der Aufbereitungsprozess von Warmwasser dann aktivierbar ist, wenn die Energiekosten für eine über eine Energiebörse bezogene und gekaufte Energie für den Betrieb der Waschmaschine am niedrigsten sind. Dadurch kann erreicht werden, dass unabhängig von einem nachfolgend durchzuführenden Waschprozess die Aufbereitung von Warmwasser zu jeder beliebigen Tageszeit dann erfolgen kann, wenn die Energiekosten am günstigsten sind. Die Kosten für einen Waschprozess können dadurch deutlich reduziert werden.The control and communication unit is advantageously designed such that the treatment process of hot water is activated when the energy costs for energy purchased and purchased via an energy exchange for the operation of the washing machine are lowest. It can thereby be achieved that, irrespective of a washing process to be carried out subsequently, the treatment of hot water can take place at any desired time of day if the energy costs are the most favorable. The costs for a washing process can thereby be significantly reduced.

In besonders vorteilhafter Weise ist die Steuer- und Kommunikationseinheit zur Kommunikation über das Internet ausgebildet. Dies ermöglicht in einfacher Weise die stetige Möglichkeit Informationen von der externen Einheit abzurufen und "online" mit dieser externen Einheit zu kommunizieren.In a particularly advantageous manner, the control and communication unit is designed for communication via the Internet. This easily allows the steady possibility of retrieving information from the external unit and communicating "on-line" with that external unit.

Es kann vorgesehen sein, dass die Steuer- und Kommunikationseinheit programmierbar ist. Dabei kann unter anderem festgelegt werden oder sein, wie viel Energie jeweils abgerufen werden soll. Es kann auch vorgesehen sein, dass die Steuer- und Kommunikationseinheit zur Steuerung des Wassereinlasses in den Wasserspeicher ausgebildet ist. Dabei kann vorgesehen sein, dass entweder ein bestimmtes Wasservolumen, beispielsweise eine maximal benötigte Wassermenge, in den Wasserspeicher eingelassen und auf eine vorgegebene Temperatur erwärmt wird, oder bei bereits erfolgter und vorliegender Befüllung der Waschmaschine mit Wäsche, ermittelt in bekannter Weise durch eine Beladungsmessung, und einen eingestellten Waschprozess eine-optimale Wassermenge bereitgestellt, erwärmt und genutzt wird.It can be provided that the control and communication unit is programmable. Among other things, it can be determined or how much energy each should be called up from. It can also be provided that the control and communication unit is designed to control the water inlet into the water reservoir. It can be provided that either a certain volume of water, for example, a maximum amount of water is admitted into the water tank and heated to a predetermined temperature, or already existing and present filling the washing machine with laundry, determined in a known manner by a load measurement, and a set washing process, an optimal amount of water is provided, heated and used.

Die Steuer- und Kommunikationseinheit kann zur drahtlosen oder aber auch zur drahtgebundenen Kommunikation mit der externen Einheit ausgebildet sein. Vorgesehen sein können hier beispielsweise LAN- oder WLAN (wireless local area network)-Kommunikationsnetze. Prinzipiell sind jedoch auch alle anderen geeigneten Kommunikationsnetze möglich.The control and communication unit can be designed for wireless or else wired communication with the external unit. For example, LAN or WLAN (wireless local area network) communication networks can be provided here. In principle, however, all other suitable communication networks are possible.

Es kann auch vorgesehen sein, dass dann, wenn die Steuer- und Kommunikationseinheit nicht zur internetfähigen Kommunikation ausgebildet ist, eine externe Steuereinheit in der Hausinstallation vorgesehen ist, welche mit der Steuer- und Kommunikationseinheit elektrisch verbunden ist (drahtlos oder drahtgebunden), wobei diese externe Steuereinheit dann zur Kommunikation mit der externen Einheit der Energiebörse ausgebildet ist. Diese Kommunikation geschieht insbesondere über das Internet, wobei die externe Steuereinheit ggf. auch für andere zugeordnete Hausgeräte eine Kommunikationsfunktion erfüllt. Dabei kann vorgesehen sein, dass diese externe Steuereinheit in der Hausinstallation zum Starten eines Aufbereitungsprozesses für Warmwasser ausgebildet ist.It can also be provided that when the control and communication unit is not designed for Internet-enabled communication, an external control unit is provided in the house installation, which is electrically connected to the control and communication unit (wireless or wired), said external Control unit is then designed for communication with the external unit of the energy exchange. This communication takes place in particular via the Internet, the external control unit possibly also fulfilling a communication function for other associated household appliances. It can be provided that this external control unit is designed in the house installation for starting a treatment process for hot water.

In bevorzugter Weise weist der Wasserspeicher eine Heizvorrichtung und/oder eine Temperaturregelvorrichtung auf. Dadurch kann das Aufheizen des in dem Wasserspeicher befindlichen Wassers in optimaler Weise durchgeführt und überwacht werden.Preferably, the water storage on a heater and / or a temperature control device. Thereby, the heating of the water in the water storage can be optimally performed and monitored.

Darüber hinaus kann durch eine derartige Anordnung erreicht werden, dass eine Heizungstasche an einem Laugenbehälter der Waschmaschine nicht mehr erforderlich ist, wodurch ein geringerer Wasserverbrauch erreicht werden kann. Ferner kann dadurch auch erreicht werden, dass eine Verkalkung der Heizvorrichtung verhindert werden kann, da die Heizvorrichtung außerhalb des Laugenbehälters der Waschmaschine angeordnet ist.In addition, can be achieved by such an arrangement that a heating bag on a tub of the washing machine is no longer required, whereby a lower water consumption can be achieved. Furthermore, it can also be achieved that calcification of the heating device can be prevented, since the heating device is arranged outside the tub of the washing machine.

In bevorzugter Weise ist der Wasserspeicher wärmeisoliert ausgebildet. Dadurch kann erreicht werden, dass das in dem Wasserspeicher durch einen Aufbereitungsprozess aufgewärmte Wasser über einen langen Zeitraum mit relativ hoher Temperatur gespeichert und bereitgestellt werden kann. Es wird dadurch ermöglicht, dass dann, wenn ein Aufwärmen des in dem Wasserspeicher befindlichen Wassers in Nachtzeiten durchgeführt wird, auch noch zur Tageszeit ein entsprechend warmes Wasser für einen durchzuführenden Waschprozess zur Verfügung steht.Preferably, the water storage is thermally insulated. It can thereby be achieved that the water warmed up in the water storage by a treatment process can be stored and provided over a long period of time at a relatively high temperature. It is thereby made possible that, when a warming up of the water in the water storage is carried out in night-time, a correspondingly warm water for a washing process to be carried out is also available at the time of day.

Es kann vorgesehen sein, dass das in dem Wasserspeicher gespeicherte Warmwasser in einem nachfolgenden Waschprozess zumindest teilweise verfügbar ist und in eine Trommel der Waschmaschine förderbar ist. Es kann des Weiteren ein Pumpsystem in der Waschmaschine vorgesehen sein, welches zur Rückführung von Wasser in eine Trommel der Waschmaschine während eines Waschprozesses ausgebildet ist. Bei aktivem Programmstart zum Durchführen eines individuellen Waschprozesses kann die vorgeheizte Wassermenge in dem Wasserspeicher über eine Einspülschale der Waschmaschine in die Trommel gepumpt werden und um ein Abkühlen des Wassers bei langer Heizphase zu vermeiden, Teilwassermengen durch das Pumpensystem wieder im Wasserspeicher kurzzeitig erwärmt werden. Der Wasserspeicher kann als zusätzlicher separater Wasserspeicher in der Waschmaschine ausgebildet sein.It can be provided that the hot water stored in the water storage is at least partially available in a subsequent washing process and can be conveyed into a drum of the washing machine. It may further be provided in the washing machine, a pumping system, which is designed for the return of water in a drum of the washing machine during a washing process. When the program start is active for performing an individual washing process, the preheated amount of water in the water reservoir can be pumped into the drum via an induction bowl of the washing machine and partial water volumes are briefly heated by the pump system again in the water reservoir in order to prevent cooling of the water during a long heating phase. The water tank can be designed as an additional separate water storage in the washing machine.

Durch die erfindungsgemäße Waschmaschine kann erreicht werden, dass ein Waschprozess mit minimierten Energiekosten durchgeführt werden kann, da eine marktnahe Energiebereitstellung durchgeführt und ausgenutzt werden kann. Darüber hinaus kann durch eine zeitgenaue Energieabrechnung eine gute Übersicht über die verbrauchte Energie erreicht werden.It can be achieved by the washing machine according to the invention that a washing process with minimized energy costs can be carried out, since energy supply close to the market can be carried out and utilized. About that In addition, a precise overview of the consumed energy can be achieved by means of a time-accurate energy billing.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand einer schematischen Zeichnung näher erläutert. Die einzige Fig. 1 zeigt eine Waschmaschine 1, welche zur Aufbereitung von Warmwasser unabhängig von einem Waschprozess ausgebildet ist. Die Waschmaschine 1 umfasst Betätigungselemente 11a und 11b, durch welche unterschiedliche Waschprogramme eingestellt werden können und ein Waschprozess gestartet werden kann. Durch diese Betätigungselemente 11a und/oder 11b kann auch ein Befüllungsvorgang eines Wasserspeichers 13 mit Wasser und/oder ein Aufbereitungsvorgang, insbesondere ein Aufheizvorgang, des Wassers in dem Wasserspeicher 13 durch einen Nutzer der Waschmaschine 1 gezielt gestartet werden.An embodiment of the invention will be explained in more detail with reference to a schematic drawing. The only Fig. 1 shows a washing machine 1, which is designed for the treatment of hot water independently of a washing process. The washing machine 1 comprises actuating elements 11a and 11b, by means of which different washing programs can be set and a washing process can be started. By means of these actuation elements 11a and / or 11b, a filling process of a water reservoir 13 with water and / or a treatment process, in particular a heating process, of the water in the water reservoir 13 can be specifically started by a user of the washing machine 1.

Die Waschmaschine 1 weist eine Steuer- und Kommunikationseinheit 12 auf, welche im Ausführungsbeispiel als eine einzige Einheit ausgebildet ist. Es kann auch vorgesehen sein, dass die Waschmaschine 1 sowohl eine interne Steuereinheit als auch eine separate interne Kommunikationseinheit aufweist, welche zum Austausch von Informationen und Daten ausgebildet sind.The washing machine 1 has a control and communication unit 12, which is formed in the embodiment as a single unit. It can also be provided that the washing machine 1 has both an internal control unit and a separate internal communication unit, which are designed to exchange information and data.

Darüber hinaus weist die Waschmaschine 1 den wärmeisolierten Wasserspeicher 13 auf, welcher zum Speichern von Warmwasser bzw. erwärmten Wasser ausgebildet ist. Wie aus der Darstellung in Fig. 1 zu erkennen ist, ist die Steuer- und Kommunikationseinheit 12 zur Steuerung eines Aufbereitungsprozesses von Warmwasser in dem Wasserspeicher 13 und zur Kommunikation mit einer externen Einheit 2 ausgebildet. Die Kommunikation zwischen der Steuer- und Kommunikationseinheit 12 und der externen Einheit 2 kann drahtlos aber auch drahtgebunden durchgeführt werden. Im Ausführungsbeispiel ist die Kommunikation zwischen diesen beiden Einheiten 12 und 2 durch die Signalverbindung 2a gekennzeichnet.In addition, the washing machine 1, the heat-insulated water tank 13, which is designed for storing hot water or heated water. As from the illustration in Fig. 1 can be seen, the control and communication unit 12 is designed to control a treatment process of hot water in the water reservoir 13 and to communicate with an external unit 2. The communication between the control and communication unit 12 and the external unit 2 can be carried out wirelessly but also by wire. In the exemplary embodiment, the communication between these two units 12 and 2 is characterized by the signal connection 2a.

Im Ausführungsbeispiel ist die Steuer- und Kommunikationseinheit 12 zur Kommunikation über das Internet ausgebildet, so dass die von der externen Einheit 2 bereitgestellten Informationen online durch die Steuer- und Kommunikationseinheit 12 abgerufen werden können. Die externe Einheit 2 ist zur Bereitstellung von Informationen über Energiekosten einer Energiebörse ausgebildet.In the exemplary embodiment, the control and communication unit 12 is designed for communication via the Internet, so that the information provided by the external unit 2 can be retrieved online by the control and communication unit 12. The external unit 2 is designed to provide information about energy costs of an energy exchange.

Des Weiteren ist die Waschmaschine 1 mit einer Wasserzuführung 3 verbunden. Einerseits ist dabei eine elektrische Signalverbindung 3a zwischen der Steuer- und Kommunikationseinheit 12 und einer in der Wasserzuführung 3 angeordneten Steuereinheit (nicht dargestellt) ausgebildet. Darüber hinaus weist die Wasserzuführung 3 auch eine mechanische Verbindung 3b mit der Waschmaschine 1 und insbesondere mit dem Wasserspeicher 13 auf. Diese ist beispielweise durch einen felxiblen Schlauch, durch den das Wasser fließen kann, realisiert.Furthermore, the washing machine 1 is connected to a water supply 3. On the one hand, an electrical signal connection 3a is formed between the control and communication unit 12 and a control unit (not shown) arranged in the water supply 3. In addition, the water supply 3 also has a mechanical connection 3b with the washing machine 1 and in particular with the water storage 13. This is realized, for example, by means of a flexible hose through which the water can flow.

Durch die Steuer- und Kommunikationseinheit 12 wird somit im Ausführungsbeispiel stetig die von der externen Einheit 2 bereit gestellte Information im Hinblick auf die Energiekosten abgerufen. Ein Aufbereitungsprozess zum Erwärmen von Wasser in dem Wasserspeicher 13 wird durch die Steuer- und Kommunikationseinheit 12 dann aktiviert, wenn die Energiekosten an der Energiebörse an niedrigsten sind. Dies kann zu jeder beliebigen Tageszeit gegeben sein, wodurch auch zu jeder beliebigen Tageszeit die Aktivierung eines Aufbereitungsprozesses durch die Steuer - und Kommunikationseinheit automatisch eingeleitet werden kann.Thus, in the exemplary embodiment, the control and communication unit 12 continuously retrieves the information provided by the external unit 2 with regard to the energy costs. A treatment process for heating water in the water storage 13 is activated by the control and communication unit 12 when the energy costs on the energy exchange are lowest. This can be done at any time of day, whereby the activation of a treatment process by the control and communication unit can be automatically initiated at any time of the day.

Wird festgestellt, dass die Energiekosten an der Energiebörse so niedrig sind, dass ein Aufbereitungsprozess gestartet werden soll, so wird durch die Steuer- und Kommunikationseinheit über die Signalverbindung 3a ein Signal übertragen, durch welches ein Ventil (nicht dargestllt) in der Wasserzuführung 3 geöffnet wird und Wasser über die mechanische Verbindung 3b von der Wasserzuführung 3 in den Wasserspeicher 13 fließen kann. Dabei kann sowohl die Wassermenge, welche in diesem Wasserspeicher 13 einlaufen soll, als auch die Zeit, wie lange ein Aufbereitungsprozess des in dem Wasserspeicher 13 enthaltenen Wassers erfolgen soll, durch die Steuer- und Kommunikationseinheit 12 gesteuert werden. In vorteilhafter Weise werden in die Steuer- und Kommunikationseinheit 12 Schwellwerte einprogrammiert, um diese Parameter entsprechend einstellen zu können. Es kann dabei vorgesehen sein, dass durch einen Nutzer ein Energiekosten-Schwellwert einprogrammiert wird, wobei dann durch die Steuer- und Kommunikationseinheit 12 ein Aktivieren eines Aufbereitungsprozesses von Warmwasser dann erfolgt, wenn die über die externe Einheit 2 bereitgestellten Informationen über die Energiekosten der Energiebörse Energiekostenwerte aufzeigen, welcher kleiner oder gleich diesem Energiekosten-Schwellwert sind.If it is determined that the energy costs on the energy exchange are so low that a treatment process is to be started, a signal is transmitted by the control and communication unit via the signal connection 3 a through which a valve (not shown) in the water supply 3 is opened and water can flow via the mechanical connection 3b from the water supply 3 into the water reservoir 13. It can be controlled by the control and communication unit 12, both the amount of water that should run into this water tank 13, as well as the time how long a treatment process of the water contained in the water tank 13 should be. In an advantageous manner, threshold values are programmed into the control and communication unit 12 in order to be able to set these parameters accordingly. It may be provided that an energy cost threshold value is programmed by a user, in which case activation of a treatment process of hot water then takes place by the control and communication unit 12 when the information about the energy costs of the energy exchange provided via the external unit 2 calculates energy costs indicate which are smaller than or equal to this energy cost threshold.

Darüber hinaus kann auch die Zeitdauer für einen Aufbereitungsprozess von Warmwasser als auch die in den Wasserspeicher 13 einzufüllende Menge bei einem Aufbereitungsprozess einprogrammiert werden.In addition, the time period for a treatment process of hot water as well as the amount to be filled into the water storage 13 can be programmed in a preparation process.

Es kann jedoch auch vorgesehen sein, dass eine Programmierung dahingehend durchgeführt wird, dass ein Aufbereitungsprozess von Warmwasser mengen- und zeitmäßig so lange erfolgt, bis die Energiekosten an der Energiebörse den Energiekosten-Schwellwert wieder übersteigen. Selbstverständlich erfolgt ein Aufheizen des in dem Wasserspeicher 13 befindlichenden Wassers stets maximal nur so lange, bis eine vorgebbare Temperatur erreicht wird. Dazu weist im Ausführungsbeispiel der Wasserspeicher 13 eine Heizvorrichtung und eine Temperaturregelvorrichtung (nicht dargestellt) auf.However, it can also be provided that a programming is carried out to the effect that a treatment process of hot water volume and time takes place until the energy costs on the energy exchange exceed the energy cost threshold again. Of course, a heating of the water located in the water tank 13 always maximum water only until such time as a predetermined temperature is reached. For this purpose, in the exemplary embodiment, the water reservoir 13 has a heating device and a temperature control device (not shown).

Durch die Steuer- und Kommunikationseinheit 12 kann somit entweder ein bestimmtes Wasservolumen, was beispielsweise einer maximal benötigten Wassermenge entspricht, in den Wasserspeicher 13 eingelassen und erwärmt werden oder bei bereits erfolgter Befüllung des Wasserspeichers 13 und eingestelltem Waschprogramm durch eine Beladungsmessung eine optimierte Wassermenge für den Waschprozess benutzt werden und aufgeheizt werden.By the control and communication unit 12 can thus either a certain volume of water, which corresponds for example to a maximum amount of water required, are embedded in the water tank 13 and heated or already filled the water tank 13 and adjusted wash program by a load measurement an optimized amount of water for the washing process be used and heated up.

Bei einem aktiven Starten eines Waschprozesses kann die vorgeheizte und in dem Wasserspeicher 13 gespeicherte Wassermenge über eine nicht dargestellte Einspülschale in eine nicht dargestellte Trommel der Waschmaschine 1 gepumpt und um ein Abkühlen des Wassers bei langer Heizphase zu vermeiden, Teilwassermengen durch ein Pumpensystem wieder in den Wasserspeicher 13 kurzzeitig zurückgepumpt und erwärmt werden. Der Wasserspeicher 13 kann auch als zusätzlicher Extrawasserbehälter ausgebildet sein und somit quasi bspw. als zweiter oder dritter Wasserbehälter in der Waschmaschine 1 angeordnet sein.With an active start of a washing process, the preheated and stored in the water tank 13 amount of water pumped via a dispenser shell, not shown in a drum of the washing machine 1, not shown, and to avoid cooling of the water during long heating phase, partial amounts of water through a pump system back into the water tank 13 are briefly pumped back and heated. The water tank 13 may also be formed as an additional extra water tank and thus quasi, for example, be arranged as a second or third water tank in the washing machine 1.

Claims (12)

  1. Washing machine (1) which is constructed for preparation of hot water, with a water-reservoir (13), which is connected with an external water feed (3), and a control and communications unit (12) for control of a preparation process of hot water and for communication with an external unit (2), wherein the external unit (2) is constructed for provision of data about energy costs for operation of the washing machine (1) and the control and communications unit (12) is so constructed that the process of preparation of hot water in the water reservoir (13) is activatable in dependence on the data provided by the external unit (2).
  2. Washing machine (1) according to claim 1, characterised in that the control and communications unit (12) is so constructed that the process of preparation of hot water is activatable in dependence on a washing process.
  3. Washing machine (1) according to claim 1 or 2, characterised in that the control and communications unit (12) is so constructed that the process of preparation of hot water is activatable when the energy costs for operation of the washing machine (1) are at their lowest in the course of a day.
  4. Washing machine (1) according to any one of the preceding claims, characterised in that the control and communications unit (12) is constructed for communication by way of the Internet.
  5. Washing machine (1) according to any one of the preceding claims, characterised in that the control and communications unit (12) is constructed to be programmable.
  6. Washing machine (1) according to claim 5, characterised in that the control and communications unit (12) is programmable for summoning energy for heating a maximum amount of water required by a washing process.
  7. Washing machine (1) according to claim 5, characterised in that the control and communications unit (12) is programmed for summoning energy for heating an amount of water required by a set washing process and an existing charge of laundry.
  8. Washing machine (1) according to any one of the preceding claims, characterised in that an energy costs threshold value is filed in the control and communications unit (12), wherein the activation of a process of preparation of hot water is carried out only when the energy costs able to be summoned by way of the external unit (2) are smaller than or equal to the energy costs threshold value.
  9. Washing machine (1) according to any one of the preceding claims, characterised in that the control and communications unit (12) is constructed for wire-free or wire-bound communication with the external unit (2).
  10. Washing machine (1) according to any one of the preceding claims, characterised in that the water reservoir (13) comprises a heating device and/or a temperature regulating device.
  11. Washing machine (1) according to any one of the preceding claims, characterised in that the water reservoir (13) is of thermally insulated construction.
  12. Washing machine (1) according to any one of the preceding claims, characterised in that a pump system of the washing machine (1) is constructed for returning water from a drum of the washing machine (1) to the water reservoir (13) during a washing process.
EP06807151A 2005-11-22 2006-10-11 Washing machine Not-in-force EP1910602B1 (en)

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DE102005055648A DE102005055648A1 (en) 2005-11-22 2005-11-22 Washing machine
PCT/EP2006/067282 WO2007060059A1 (en) 2005-11-22 2006-10-11 Washing machine

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CN (1) CN101313101B (en)
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EP1910602A1 (en) 2008-04-16
US20090272153A1 (en) 2009-11-05
ATE553241T1 (en) 2012-04-15
CN101313101B (en) 2010-08-18
DE102005055648A1 (en) 2007-11-15
WO2007060059A1 (en) 2007-05-31
CN101313101A (en) 2008-11-26

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