WO2007060059A1 - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
WO2007060059A1
WO2007060059A1 PCT/EP2006/067282 EP2006067282W WO2007060059A1 WO 2007060059 A1 WO2007060059 A1 WO 2007060059A1 EP 2006067282 W EP2006067282 W EP 2006067282W WO 2007060059 A1 WO2007060059 A1 WO 2007060059A1
Authority
WO
WIPO (PCT)
Prior art keywords
washing machine
water
control
communication unit
machine according
Prior art date
Application number
PCT/EP2006/067282
Other languages
German (de)
French (fr)
Inventor
Thomas Kaltofen
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to PL06807151T priority Critical patent/PL1910602T3/en
Priority to EP06807151A priority patent/EP1910602B1/en
Priority to CN200680043505XA priority patent/CN101313101B/en
Priority to US12/085,414 priority patent/US20090272153A1/en
Priority to AT06807151T priority patent/ATE553241T1/en
Publication of WO2007060059A1 publication Critical patent/WO2007060059A1/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
    • 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.
  • Washing machine required energy is traded on energy exchanges at very different prices on a daily basis. Therefore, it is very likely that one
  • Washing process for example, just started at such a time by a user, in which the energy costs for operating the washing machine are relatively high.
  • 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 storage can be activated depending on the information provided by the external unit information.
  • 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 can be activated if the energy costs for energy purchased and purchased via an energy exchange are the lowest for the operation of the washing machine. 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.
  • 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.
  • 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 and present filling the washing machine with laundry, determined in a known manner by a load measurement, and a set washing process is provided an optimal amount of water, 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. - A -
  • 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.
  • washing machine according to the invention can be achieved that a
  • Washing process can be performed with minimized energy costs, since a near-market energy supply can be carried out and exploited. About that In addition, a precise overview of the consumed energy can be achieved by means of a time-accurate energy billing.
  • FIG. 1 shows a washing machine 1, which for
  • Treatment of hot water is formed 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.
  • actuators 1 1 a and / or 1 1 b can also be a filling process of a water reservoir 13 with water and / or a
  • Processing process in particular a heating process, of the water in the
  • Water tank 13 are started by a user of the washing machine 1 targeted.
  • 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 for controlling a treatment process of hot water in the water tank 13 and for communication with an external unit 2 is formed.
  • 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, 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.

Landscapes

  • 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

The invention relates to a washing machine (1) which is designed for preparing hot water, having a water tank (13) connected to an external water supply (3), and having a control and communication unit (12) for controlling a process for preparing hot water and for communicating with an external unit (2), wherein the external unit (2) is designed for providing information regarding energy costs for operating the washing machine (1), and the control and communication unit (12) is designed such that it is possible to activate the process for preparing hot water in the water tank (13) as a function of the information provided by the external unit (2).

Description

Waschmaschine Washing machine
Die Erfindung betrifft eine Waschmaschine, welche zur Aufbereitung von Warmwasser ausgebildet ist.The invention relates to a washing machine, which is designed for the treatment of hot water.
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 derTo 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 not considered, and it is the user of
Waschmaschine auch meist gar nicht bekannt, dass die zum Betreiben derWashing machine also mostly not known that to operate the
Waschmaschine erforderliche Energie an Energiebörsen zu tageszeitlich sehr unterschiedlichen Preisen gehandelt wird. Daher ist es sehr wahrscheinlich, dass einWashing machine required energy is traded on energy exchanges at very different prices on a daily basis. Therefore, it is very likely that one
Waschvorgang beispielsweise gerade zu einem derartigen Zeitpunkt von einem Nutzer gestartet wird, bei dem die Energiekosten zum Betreiben der Waschmaschine relativ hoch sind.Washing process, for example, just started at such a time by a user, in which the energy costs for operating the washing machine are 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 storage can be activated depending on the information provided by the external unit information. 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. 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.The control and communication unit is advantageously designed such that the treatment process of hot water can be activated if the energy costs for energy purchased and purchased via an energy exchange are the lowest for the operation of the washing machine. 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 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 and present filling the washing machine with laundry, determined in a known manner by a load measurement, and a set washing process is provided an optimal amount of water, 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. - A -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. - A -
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 einBy washing machine according to the invention can be achieved that a
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.Washing process can be performed with minimized energy costs, since a near-market energy supply can be carried out and exploited. 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 zurAn 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 for
Aufbereitung von Warmwasser unabhängig von einem Waschprozess ausgebildet ist.Treatment of hot water is formed independently of a washing process.
Die Waschmaschine 1 umfasst Betätigungselemente 11 a und 1 1 b, durch welche unterschiedliche Waschprogramme eingestellt werden können und ein Waschprozess gestartet werden kann. Durch diese Betätigungselemente 1 1 a und/oder 1 1 b kann auch ein Befüllungsvorgang eines Wasserspeichers 13 mit Wasser und/oder einThe 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 these actuators 1 1 a and / or 1 1 b can also be a filling process of a water reservoir 13 with water and / or a
Aufbereitungsvorgang, insbesondere ein Aufheizvorgang, des Wassers in demProcessing process, in particular a heating process, of the water in the
Wasserspeicher 13 durch einen Nutzer der Waschmaschine 1 gezielt gestartet werden.Water tank 13 are started by a user of the washing machine 1 targeted.
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 can be seen from the illustration in Fig. 1, the control and communication unit 12 for controlling a treatment process of hot water in the water tank 13 and for communication with an external unit 2 is formed. 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. 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.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. 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. 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.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. 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, 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

Patentansprüche claims
1. Waschmaschine, welche zur Aufbereitung von Warmwasser ausgebildet ist, mit einem Wasserspeicher (13), welcher mit einer externen Wasserzuführung (3) verbunden ist, und einer Steuer- und Kommunikationseinheit (12) zur Steuerung eines Aufbereitungsprozesses von Warmwasser und zur Kommunikation mit einer externen Einheit (2), wobei die externe Einheit (2) zur Bereitstellung von Informationen über Energiekosten für den Betrieb der Waschmaschine (1 ) ausgebildet ist, und die Steuer- und Kommunikationseinheit (12) derart ausgebildet ist, dass der Aufbereitungsprozess von Warmwasser in dem Wasserspeicher (13) abhängig von den von der externen Einheit (2) bereitgestellten Informationen aktivierbar ist.1. Washing machine, which is designed for the treatment of hot water, with a water tank (13) which is connected to an external water supply (3), and a control and communication unit (12) for controlling a treatment process of hot water and for communication with a external unit (2), wherein the external unit (2) is arranged to provide information about energy costs for the operation of the washing machine (1), and the control and communication unit (12) is arranged such that the treatment process of hot water in the Water storage (13) is activated depending on the information provided by the external unit (2) information.
2. Waschmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) derart ausgebildet ist, dass der Aufbereitungsprozess von Warmwasser unabhängig von einem Waschprozess aktivierbar ist.2. Washing machine according to claim 1, characterized in that the control and communication unit (12) is designed such that the treatment process of hot water can be activated independently of a washing process.
3. Waschmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) derart ausgebildet ist, dass der Aufbereitungsprozess von Warmwasser dann aktivierbar ist, wenn die Energiekosten für den Betrieb der Waschmaschine (1 ) im Tagesverlauf am niedrigsten sind.3. Washing machine according to claim 1 or 2, characterized in that the control and communication unit (12) is designed such that the treatment process of hot water is activated when the energy costs for the operation of the washing machine (1) during the course of the day are lowest ,
4. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) zur Kommunikation über das Internet ausgebildet ist.4. Washing machine according to one of the preceding claims, characterized in that the control and communication unit (12) is designed for communication via the Internet.
5. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) programmierbar ausgebildet ist. 5. Washing machine according to one of the preceding claims, characterized in that the control and communication unit (12) is programmable.
6. Waschmaschine nach Anspruch 5, dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) programmiert ist zum Abrufen von Energie zum Erwärmen einer von einem Waschprozess maximal benötigten Wassermenge.6. Washing machine according to claim 5, characterized in that the control and communication unit (12) is programmed to retrieve energy for heating a maximum of a washing process required amount of water.
7. Waschmaschine nach Anspruch 5, dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) programmiert ist zum Abrufen von Energie zum Erwärmen einer von einem eingestellten Waschprozess und einer vorliegenden Befüllung mit Wäsche benötigten Wassermenge.A washing machine according to claim 5, characterized in that the control and communication unit (12) is programmed to retrieve energy for heating an amount of water required by a set washing process and a present load of laundry.
8. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Steuer- und Kommunikationseinheit (12) ein Energiekosten-Schwellwert abgelegt ist, wobei die Aktivierung eines Aufbereitungsprozesses von Warmwasser erst dann erfolgt, wenn die über die externe Einheit (2) abrufbaren Energiekosten kleiner oder gleich dem Energiekosten-Schwellwert sind.8. Washing machine according to one of the preceding claims, characterized in that in the control and communication unit (12) an energy cost threshold is stored, wherein the activation of a treatment process of hot water takes place only when the via the external unit (2) retrievable Energy costs are less than or equal to the energy cost threshold.
9. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Steuer- und Kommunikationseinheit (12) zur drahtlosen oder drahtgebundenen Kommunikation mit der externen Einheit (2) ausgebildet ist.9. Washing machine according to one of the preceding claims, characterized in that the control and communication unit (12) for wireless or wired communication with the external unit (2) is formed.
10. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wasserspeicher (13) eine Heizvorrichtung und/oder eine Temperaturregelvorrichtung aufweist.10. Washing machine according to one of the preceding claims, characterized in that the water reservoir (13) has a heating device and / or a temperature control device.
1 1. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Wasserspeicher (13) wärmeisoliert ausgebildet ist.1 1. Washing machine according to one of the preceding claims, characterized in that the water reservoir (13) is formed thermally insulated.
12. Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Pumpensystem der Waschmaschine (1 ) zur Rückführung von Wasser aus einer Trommel der Waschmaschine (1 ) in den Wasserspeicher (13) während eines Waschprozesses ausgebildet ist. 12. Washing machine according to one of the preceding claims, characterized in that a pump system of the washing machine (1) for returning water from a drum of the washing machine (1) is formed in the water reservoir (13) during a washing process.
PCT/EP2006/067282 2005-11-22 2006-10-11 Washing machine WO2007060059A1 (en)

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US12/085,414 US20090272153A1 (en) 2005-11-22 2006-10-11 Washing Machine
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DE102005055648A1 (en) 2007-11-15
CN101313101A (en) 2008-11-26
CN101313101B (en) 2010-08-18
PL1910602T3 (en) 2012-09-28
EP1910602A1 (en) 2008-04-16
ATE553241T1 (en) 2012-04-15
EP1910602B1 (en) 2012-04-11
US20090272153A1 (en) 2009-11-05

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