DE102008062349A1 - Method for optimizing energy costs for washing machines, dryers, dishwashers and hot water tanks, involves adapting benefit of heating element of device by pulse width modulation - Google Patents

Method for optimizing energy costs for washing machines, dryers, dishwashers and hot water tanks, involves adapting benefit of heating element of device by pulse width modulation Download PDF

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Publication number
DE102008062349A1
DE102008062349A1 DE102008062349A DE102008062349A DE102008062349A1 DE 102008062349 A1 DE102008062349 A1 DE 102008062349A1 DE 102008062349 A DE102008062349 A DE 102008062349A DE 102008062349 A DE102008062349 A DE 102008062349A DE 102008062349 A1 DE102008062349 A1 DE 102008062349A1
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DE
Germany
Prior art keywords
pulse width
heating element
hot water
width modulation
dishwashers
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DE102008062349A
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WUESTE AXEL
Wueste Axel Dr
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WUESTE AXEL
Wueste Axel Dr
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Priority to DE102008062349A priority Critical patent/DE102008062349A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0047—Energy or water consumption, e.g. by saving energy or water
    • 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
    • D06F34/10—Power supply arrangements, e.g. stand-by circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/34—Other automatic detections
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/06—Water heaters

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The method involves adapting benefit of a heating element of a device by a pulse width modulation. The amount of heat of the devices is reduced on overloading of the house connection or the network of the power supplier.

Description

Stand der Technik:State of the art:

Die Steuerung der elektrischen Verbraucher im Bezug auf die momentane Leistung geschieht in Privathaushalten ausschließlich durch den Nutzer, der die elektrischen Verbraucher nach seiner Erfahrung und seinen Wünschen aktiviert.The Control of the electrical consumers in relation to the current Performance happens in private households exclusively through the user, the electrical consumer according to his experience and his wishes activated.

Derzeit sind Verbrauchsmesseinrichtungen mit maximal zwei zeitgesteuerten Tarifbereichen im Einsatz (Nachtstrom). Ein automatisiertes Energiemanagement, welches im industriellen Umfeld teilweise schon vorhanden ist, wird in Privathaushalten nicht eingesetzt. Im Zuge der Maßnahmen zu CO2-Reduktion wird der Einbau intelligenter Stromzähler (Smart Meter) durch die Versorger vorgeschrieben werden (s. Änderung EU-Richtlinie 2003/54/EG vom 19.09.2007 ). Diese können durch den Energieversorger gesteuert werden und erlauben es unter anderem, einen netzlastabhängigen Tarif (zur Reduktion der Lastspitzen des Versorgernetzes) anzubieten. Der Kunde oder Steuergeräte des Kunden können aus diesen Geräten den momentanen Tarif und die momentan bezogene Leistung auslesen. Dadurch wird es möglich, die elektrischen Verbraucher abhängig von der momentanen Gesamtleistung und den momentanen Bezugskosten zu steuern.At present, consumption measuring devices with a maximum of two time-controlled tariff ranges are in use (night current). An automated energy management, which in some cases already exists in the industrial environment, is not used in private households. As part of the CO 2 reduction measures, installers of smart metering systems will be required by utilities (see Amendment) EU Directive 2003/54 / EC of 19.09.2007 ). These can be controlled by the energy supplier and, among other things, allow to offer a network-load-based tariff (to reduce the load peaks of the utility grid). The customer or the customer's control units can read the current tariff and the current service from these devices. This makes it possible to control the electrical loads depending on the current total power and the current reference costs.

Vorteile der Erfindung:Advantages of the invention:

Eine Steuerung der Leistungsaufnahme von Haushaltsgeräten ist aus folgenden Gründen sinnvoll:

  • 1. Der Energieversorger bietet Tarife abhängig von der Tageszeit oder der Netzsituation an. Durch Optimierung der Verbrauchszeiten kann eine Kostenreduzierung für den Verbraucher realisiert werden.
  • 2. Ist im Haus eine stromerzeugenden Heizung (Mini Kraft-Wärmekopplungsanlage) vorhanden, wird die in das Netz eingespeiste Energie geringer vergütet als die bezogene Energie. Hier soll versucht werden, nur mit der lokal erzeugten Leistung zu arbeiten.
  • 3. Im Haus sind viele Energieverbraucher vorhanden. Der Energieversorger stellt aber nur eine geringe Anschlussleistung zur Verfügung. Hier soll eine Überlastung des Hausanschlusses verhindert werden.
  • 4. Im Falle einer extremen Lastsituation des Netzes des Energieversorgers, bei der die Gefahr einer flächendeckende Störung des Netzes besteht, können nicht lebenswichtige aber leistungstarke Verbraucher durch den Energieversorger vom Netz genommen werden.
Controlling the power consumption of household appliances makes sense for the following reasons:
  • 1. The energy provider offers tariffs depending on the time of day or the network situation. By optimizing the consumption times, a cost reduction for the consumer can be realized.
  • 2. If there is a power-generating heating system in the house (mini combined heat and power plant), the energy fed into the grid is less reimbursed than the energy consumed. Here you should try to work only with the locally generated power.
  • 3. There are many energy consumers in the house. The utility company only provides a low connection power. Here, an overload of the house connection should be prevented.
  • 4. In the case of an extreme load situation of the network of the energy supplier, which exists the danger of a nationwide disturbance of the network, not vital but powerful consumers can be taken by the energy supplier from the network.

Das hier vorgestellte Verfahren ist für leistungsstarke Verbraucher in Privathaushalten gedacht. Dieses sind Geräte mit großen Heizleistungen wie z. B. Waschmaschine, Trockner, Geschirrspüler und Warmwasserspeicher. Hier ist der größte finanzielle Einspareffekt und die größte Netzlastminderung zu erreichen.The Here presented procedure is for powerful consumers intended in private households. These are devices with big ones Heating services such. As washing machine, dryer, dishwasher and Hot water tank. Here is the biggest financial Saving effect and the biggest network load reduction too to reach.

Beschreibung des Verfahrens:Description of the method:

Das Verfahren ermöglicht es, die Leistungsaufnahme von ohmschen Verbrauchern hoher Leistungsaufnahme (elektrische Heizelemente) hinsichtlich des momentan geltenden Stromtarifes und der angebotenen Leistung anzupassen. Ziel ist es, die Leistungsaufnahme in Zeiten niedriger Strombezugskosten zu verschieben oder bei Einsatz von stromerzeugenden Heizungen den Verbrauch auf die lokal erzeugte Leistung zu begrenzen.The Method allows to reduce the power consumption of ohmic Consumers with high power consumption (electrical heating elements) with regard to the currently applicable electricity tariff and the offered Adjust performance. The goal is to power consumption in times lower electricity procurement costs or when using electricity-generating heaters reduce the consumption to the locally generated Limit performance.

Voraussetzung für das Verfahren ist der Einbau eines intelligenten Stromzählers durch den Energieversorger. Mit diesem kommuniziert die Steuerung des Gerätes, die dann ständig um den momentanen Verbrauch und die momentanen Strombezugskosten feststellt, sowie die Richtung des Energieflusses bei stromerzeugenden Heizungen bestimmt.requirement for the process is the installation of a smart electricity meter by the energy provider. The controller communicates with this of the device, which then constantly to the current Consumption and the current electricity purchase costs, as well as determines the direction of energy flow in electricity generating heaters.

Alternativ zu intelligenten Stromzählern ist auch ein Betrieb mit nachträglich an bestehende Stromzähler angebrachte Leistungsmesseinrichtungen möglich.alternative Smart metering is also an operation with subsequently attached to existing electricity meters Performance measuring devices possible.

Die Steuerung führt bei einem tarifabhängigen Betrieb folgende Funktionen aus:

  • 1. Verzögerung des Starts bis zum Eintritt des Niedrigtarifes bei Geräten, die dieses zulassen (Waschmaschine, Wäschetrockner, Geschirrspüler). Hierzu wird das angeschlossene Gerät von der Energieversorgung getrennt.
  • 2. Reduktion der Leistung des Heizelementes bei laufendem Betrieb durch Verkleinerung der Pulsweite der Heizungsansteuerung bei möglicher Überschreitung der zulässigen Anschlussleistung des Hausanschlusses.
  • 3. Reduktion der Leistung des Heizelementes bei laufendem Betrieb durch Verkleinerung der Pulsweite bei kurzzeitiger Erhöhung der Strombezugskosten.
  • 4. Reduktion der Heizleistung bei laufendem Betrieb durch Verkleinerung der Pulsweite oder Abschaltung der Heizung bei kurzzeitiger Überlastung des Netzes des Energieversorgers.
The controller performs the following functions in a rate-dependent operation:
  • 1. Delay of the start up to the entry of the low tariff for devices that allow this (washing machine, tumble dryer, dishwasher). For this purpose, the connected device is disconnected from the power supply.
  • 2. Reduction of the power of the heating element during operation by reducing the pulse width of the heating control in case of possible exceeding of the permissible connected load of the house connection.
  • 3. Reduction of the power of the heating element during operation by reducing the pulse width with a short-term increase in electricity procurement costs.
  • 4. Reduction of heating power during operation by reducing the pulse width or switching off the heater in case of short-term overload of the network of the energy supplier.

Die Steuerung führt bei stromerzeugenden Heizungen folgende Funktionen aus:

  • 1. Verzögerung des Starts, wenn die zulässige Gesamtleistung der Hausanschlusses überschritten würde oder Leistung aus dem Netz bezogen werden müsste. Hierzu wird das angeschlossene Gerät von der Energieversorgung getrennt.
  • 2. Reduktion der Leistung des Heizelementes bei laufendem Betrieb durch Verkleinerung der Pulsweite der Heizungsansteuerung bei Überschreitung der lokal erzeugten Leistung.
  • 3. Reduktion der Leistung des Heizelementes bei laufendem Betrieb durch Verkleinerung der Pulsweite oder Abschaltung der Heizung bei kurzzeitiger Überlastung des Netzes des Energieversorgers.
The control system performs the following functions for electricity-generating heating systems:
  • 1. Delay of the start, if the permissible total output of the house connection would be exceeded or power would have to be drawn from the grid. For this purpose, the connected device is disconnected from the power supply.
  • 2. Reduction of the power of the heating element during operation by reducing the pulse width of the heating control when exceeding the locally generated power.
  • 3. Reduction of the power of the heating element during operation by reducing the pulse width or switching off the heater in case of short-term overload of the network of the energy supplier.

Bei Stillstand der stromerzeugenden Heizung (Sommerbetrieb) wird automatisch in den tarifabhängigen Betrieb gewechselt.at Standstill of the electricity generating heating (summer operation) becomes automatic changed to the tariff-dependent operation.

Die Steuerung kann als ein Zusatzgerät ausgeführt werden. Die Spannungsversorgung des Haushaltsgerätes wird dann über das Zusatzgerät geschaltet. Der Anschluss der Heizung des Haushaltsgerätes geht auf einen Eingang des Steuergerätes zur Erkennung der Heizungsaktivierung. Die Heizung selbst wird an den pulsweitenmodulierten Ausgang des Steuergerätes angeschlossen.The Control can be run as an accessory become. The power supply of the household appliance is then switched via the additional device. The connection the heater of the household appliance goes to an input of the control unit for detecting the heater activation. The heater itself is connected to the pulse width modulated output of the Control unit connected.

Sinnvoll ist es, diese Funktion zukünftig direkt in die Ablaufsteuerung des Haushaltsgerätes zu integrieren.meaningful is it, this function in the future directly into the flow control of the household appliance.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte Nicht-PatentliteraturCited non-patent literature

  • - EU-Richtlinie 2003/54/EG vom 19.09.2007 [0002] - EU Directive 2003/54 / EC of 19.09.2007 [0002]

Claims (3)

Verfahren zur Optimierung der Energiekosten für Waschmaschinen, Trockner, Geschirrspüler und Warmwasserspeicher dadurch gekennzeichnet, dass die Leistung des Heizelementes des Gerätes durch eine Pulsweitenmodulation dem Tarif- oder der vom Energieversorger bezogenen Leistung des angepasst wird.Method for optimizing the energy costs for washing machines, dryers, dishwashers and hot water storage, characterized in that the power of the heating element of the device is adapted by a pulse width modulation to the tariff or the power supplied by the energy supplier. Reduktion der Heizleistung der Geräte gemäß Patentanspruch 1. bei Überlastung des Hausanschlusses oder des Netzes des Energieversorgers.Reduction of the heating power of the devices according to claim 1. in case of overload of the house connection or the network of the energy supplier. Integration des Verfahrens nach Patentanspruch 1 und 2 in eine Waschmaschine, einen Wäschetrockner, einen Geschirrspüler, einen elektrisch beheizten Warmwasserspeicher oder ein externes Steuergerät für diese Geräte.Integration of the method according to claim 1 and 2 in a washing machine, a tumble dryer, a Dishwasher, an electrically heated hot water tank or an external controller for these devices.
DE102008062349A 2008-12-15 2008-12-15 Method for optimizing energy costs for washing machines, dryers, dishwashers and hot water tanks, involves adapting benefit of heating element of device by pulse width modulation Withdrawn DE102008062349A1 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010040297A1 (en) 2010-09-06 2012-03-08 BSH Bosch und Siemens Hausgeräte GmbH Method and device for controlling a household appliance with intelligent electricity metering
DE102010040296A1 (en) 2010-09-06 2012-03-08 BSH Bosch und Siemens Hausgeräte GmbH Procedure for switching to a cheaper consumption rate for a household appliance and a suitable household appliance
DE102010042172A1 (en) 2010-10-07 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Domestic appliance with a controller for an electrical energy supply network with associated data network and method for operating a control of a domestic appliance on this power supply network
WO2013098008A1 (en) * 2011-12-26 2013-07-04 Arcelik Anonim Sirketi A washer with reduced energy consumption expense
DE102012105340A1 (en) * 2012-06-20 2013-12-24 Miele & Cie. Kg Method for operating domestic appliance e.g. dishwasher, involves controlling start of treatment process in response to energy characteristic and partial opening of opening device of treatment chamber by control device
DE102013010397A1 (en) * 2013-04-16 2014-10-16 Roland Schulze AUTENVER- method (AUTOMATIC ENERGY MANAGEMENT and DISTRIBUTION) working as an interconnected system with an AUTENVER energy control unit, an AUTENVER energy meter and communication unit with input keypad and an AUTENVER energy switching unit, for smart power distribution with integration of power generators, for optimal utilization of power grids and possibility for Energy consumers, without supply contracts with various energy suppliers, to realize fast cost-effective access to energy supplies
EP2433547A3 (en) * 2010-09-27 2018-01-10 Haier US Appliance Solutions, Inc. Dishwasher with auto hot start

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EU-Richtlinie 2003/54/EG vom 19.09.2007

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103080402A (en) * 2010-09-06 2013-05-01 Bsh博世和西门子家用电器有限公司 Method and device for controlling a domestic appliance, using smart metering
US9649009B2 (en) 2010-09-06 2017-05-16 Bsh Hausgeraete Gmbh Method for controlling a domestic appliance, using smart metering
WO2012031870A1 (en) 2010-09-06 2012-03-15 BSH Bosch und Siemens Hausgeräte GmbH Method and device for controlling a domestic appliance, using smart metering
WO2012031866A1 (en) 2010-09-06 2012-03-15 BSH Bosch und Siemens Hausgeräte GmbH Method for switching to a more favorable consumption tariff for a domestic appliance, and domestic appliance suitable for said method
DE102010040296A1 (en) 2010-09-06 2012-03-08 BSH Bosch und Siemens Hausgeräte GmbH Procedure for switching to a cheaper consumption rate for a household appliance and a suitable household appliance
DE102010040297A1 (en) 2010-09-06 2012-03-08 BSH Bosch und Siemens Hausgeräte GmbH Method and device for controlling a household appliance with intelligent electricity metering
CN103080402B (en) * 2010-09-06 2016-02-24 Bsh家用电器有限公司 The method and apparatus of housed device is controlled when using Intelligent current gauge
EP2433547A3 (en) * 2010-09-27 2018-01-10 Haier US Appliance Solutions, Inc. Dishwasher with auto hot start
DE102010042172A1 (en) 2010-10-07 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Domestic appliance with a controller for an electrical energy supply network with associated data network and method for operating a control of a domestic appliance on this power supply network
WO2012045596A1 (en) 2010-10-07 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Household appliance having a controller for an electrical energy supply network having an associated data network and method for operating a controller of a household appliance on said energy supply network
CN103154836A (en) * 2010-10-07 2013-06-12 Bsh博世和西门子家用电器有限公司 Household appliance having a controller for an electrical energy supply network having an associated data network and method for operating a controller of a household appliance on said energy supply network
US9785210B2 (en) 2010-10-07 2017-10-10 Bsh Hausgeraete Gmbh Household appliance having a controller for an electrical energy supply network having an associated data network and method for operating a controller of a household appliance on said energy supply network
WO2013098008A1 (en) * 2011-12-26 2013-07-04 Arcelik Anonim Sirketi A washer with reduced energy consumption expense
DE102012105340A1 (en) * 2012-06-20 2013-12-24 Miele & Cie. Kg Method for operating domestic appliance e.g. dishwasher, involves controlling start of treatment process in response to energy characteristic and partial opening of opening device of treatment chamber by control device
DE102013010397A1 (en) * 2013-04-16 2014-10-16 Roland Schulze AUTENVER- method (AUTOMATIC ENERGY MANAGEMENT and DISTRIBUTION) working as an interconnected system with an AUTENVER energy control unit, an AUTENVER energy meter and communication unit with input keypad and an AUTENVER energy switching unit, for smart power distribution with integration of power generators, for optimal utilization of power grids and possibility for Energy consumers, without supply contracts with various energy suppliers, to realize fast cost-effective access to energy supplies

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