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WO2009156332A1 - Procédé de fonctionnement d'un appareil électro-ménager dans lequel circule de l'eau - Google Patents

Procédé de fonctionnement d'un appareil électro-ménager dans lequel circule de l'eau Download PDF

Info

Publication number
WO2009156332A1
WO2009156332A1 PCT/EP2009/057612 EP2009057612W WO2009156332A1 WO 2009156332 A1 WO2009156332 A1 WO 2009156332A1 EP 2009057612 W EP2009057612 W EP 2009057612W WO 2009156332 A1 WO2009156332 A1 WO 2009156332A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
program step
heated
dishwasher
amount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/057612
Other languages
German (de)
English (en)
Inventor
Michael Rosenbauer
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
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to EP09769181A priority Critical patent/EP2303089A1/fr
Priority to US12/995,673 priority patent/US20110083699A1/en
Priority to CN200980124459XA priority patent/CN102076256A/zh
Publication of WO2009156332A1 publication Critical patent/WO2009156332A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • 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
    • 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
    • A47L15/42—Details
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention relates to a method for operating a water-conducting household appliance.
  • a domestic dishwasher in which a plurality of program steps exhibiting washing program is carried out for cleaning of items to be cleaned, which has at least two partial program steps, during which wash liquor, for example, with cleaning agents or rinse aid added water is heated, wherein the dishwasher has at least one washing container for receiving items to be cleaned and a standing in heat-conductive contact with the washing liquid reservoir.
  • Object of the invention is to provide a method by which the energy consumption can be further reduced.
  • the inventive method for operating a dishwasher has at least the following steps: in a partial program step, a first amount of liquid is heated, the heated first amount of liquid is at least partially in heat-conducting contact with the interior of a washing container inside a Liquid storage stored in a further part program step, a second amount of liquid is heated, and
  • the method according to the invention allows the use of heat energy of liquids, in particular heated, to recover, which is otherwise lost with the pumping out in a house-side wastewater disposal system.
  • the circulated liquid quantity in the further part program step is at least temporarily heated, so that temperatures can be achieved, which can not be achieved alone by utilizing recovered heat energy.
  • it may also be provided to dispense with a heating in the further part program step, but only to heat up the recovery of heat energy liquid.
  • the circulated liquid quantity is heated only to a temperature equal to or below the temperature of the liquid stored in the liquid storage, so that no unnecessary energy for heating the liquid stored in the liquid storage must be applied.
  • liquid reservoir and the rinsing container are emptied simultaneously, while in a second, alternative embodiment it is provided that first the rinsing container and then the liquid reservoir are emptied.
  • the partial program steps preferably comprise at least one cleaning step and one final rinse step, wherein liquids are heated in each case during both partial program steps.
  • cleaning agent is added and the circulated liquid or rinsing liquor is heated to, for example, up to 65 ° C.
  • relaxation agents are added, which are in particular ensure a stain-free drying process of the dishes, with temperatures of, for example, 70 0 C are reached in this step.
  • At least one third partial program step without heating of liquid is provided between the two partial program steps.
  • This may preferably be an intermediate rinsing step, which serves in the rinsing container and the pump system To remove residues of detergent-added liquid or rinsing liquor remaining of the dishwasher, so as to ensure that detergent residues and added in the final rinse step relaxants do not affect each other in their negative effect.
  • a pre-rinsing step without heating of liquid is provided, in which liquid stored in the liquid store is used. Pre-rinsing serves to remove coarse dirt from items to be cleaned.
  • the invention includes a dishwasher, which is formed for carrying out the method according to the invention.
  • Fig. 1 is a schematic representation of a dishwasher for
  • the dishwasher 2 has a washing container 6 for receiving items to be cleaned (not shown) which can be placed, for example, in extendable dish racks (not shown).
  • a spray arm 8 is provided in the washing container in the present embodiment.
  • a circulating pump 10 is provided, which is liquid-conducting with a arranged in the bottom region of the washing compartment 6 swamp, in which collects the rinsing of the wash ware to be cleaned rinse.
  • an engine 12 is provided, which is in communication with a control device 14 of the dishwasher 2.
  • a heating element for heating the circulated rinsing liquor, a heating element (not shown) may be provided.
  • a liquid reservoir 4 is provided, in which a quantity of liquid can be temporarily stored.
  • a drain line 24 is provided, which can be opened and closed by means of a drain valve 18, wherein the drain valve 18 is connected via a control line 16 to the control device 14.
  • a return line 26 is provided with which it is possible to reclaim rinse liquor from the washing container 6 in the liquid storage 4.
  • a return valve 20 is provided, which is also connected via a control line 18 to the control device 14.
  • further valves may be provided to block the supply line to the spray arm 8 in the washing container 6, if by means of the circulation pump 10 rinse liquor to be conveyed through the return line 26 into the liquid storage 4.
  • individual valves designed as a water diverter multi-way valve can be used, for example. Has a motor-adjustable disc.
  • a cleaning program comprising several program steps is run through, which may comprise, for example, the program steps of pre-wash, clean, intermediate rinse step and rinse-clean, and drying.
  • water or rinse liquor i. heated water with cleaning agents or rinse aid during at least two of these program steps, for example.
  • a rinsing liquor change of the circulated rinsing liquor takes place between the subprogram steps, that is, after completing a partial program step, the dishwasher is filled again with liquid or water.
  • a pre-rinse step may be performed, for example, after an amount of liquid has flowed into the rinse tank 6 through conduit means (not shown). Subsequently, the liquid quantity is circulated by the circulation pump 10 after appropriate activation of the motor 12 by the control device 14 and fed to the spray arm 8. After completion of the pre-rinse, the amount of liquid is passed after opening the return valve 20 through the return line 26 into the liquid reservoir 4, wherein a closed drain valve 18 prevents the rinse tank 4 emptied again.
  • the washing container 6 is filled with a quantity of liquid for the cleaning step via conduit means, not shown, and then the amount of liquid circulated by means of the circulation pump 10 and heated simultaneously.
  • the rinsing container 6 is filled again with an amount of liquid, and then the liquid is circulated by the circulating pump without being heated. Heating is effected solely by the heat transfer from the liquid reservoir 4 into the interior of the washing container 6, since the liquid stored in the liquid storage 6 has a higher temperature than prevails in the interior of the washing container 6. After completion of the Swiss Vietnamese archasars both the washing compartment 6 and the liquid storage 4 are emptied. This can be done sequentially, starting with the washing container 6 or at the same time.
  • the rinsing container 6 is filled again with an amount of liquid to carry out a rinsing step, and then the liquid is circulated by the circulating pump while it is further heated.
  • the rinse tank 6 can be emptied by means not shown, which allow to direct liquid into a household wastewater disposal system.
  • the amount of liquid present in the washing container 6, ie water added with relaxation agent or rinse aid, is subsequently passed into the empty liquid storage 4 through the return line 26.
  • the liquid quantity temporarily stored in the liquid storage 4 can be conducted into the rinsing container 6 by opening the drainage valve and used to carry out a pre-rinsing step.
  • the method according to the invention can also be used to achieve energy savings in the case of modifications of the program sequence in which heating of the liquid or rinsing liquor is also provided during the intermediate rinsing and / or pre-rinsing step, or in which the intermediate rinse and / or Pre-rinse step are hidden.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

La présente invention concerne un procédé de fonctionnement d'un lave-vaisselle (2), en particulier d'un lave-vaisselle domestique, comprenant au moins les opérations suivantes : au cours d'une phase de programme partielle, une première quantité de liquide est chauffée; la première quantité de liquide chauffée est stockée à l'intérieur d'un réservoir de liquide (4) en restant en contact thermo-conducteur au moins partiel avec l'intérieur d'une enceinte de lavage (6); au cours d'une autre phase de programme partielle, on fait circuler une deuxième quantité de liquide; et le réservoir de liquide (4) est vidé lorsque l'autre phase de programme partielle s'est achevée.
PCT/EP2009/057612 2008-06-27 2009-06-18 Procédé de fonctionnement d'un appareil électro-ménager dans lequel circule de l'eau Ceased WO2009156332A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09769181A EP2303089A1 (fr) 2008-06-27 2009-06-18 Procédé de fonctionnement d'un appareil électro-ménager dans lequel circule de l'eau
US12/995,673 US20110083699A1 (en) 2008-06-27 2009-06-18 Method for operating a water-conducting domestic appliance
CN200980124459XA CN102076256A (zh) 2008-06-27 2009-06-18 用于操作带水运行的家用器具的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008030537.5 2008-06-27
DE102008030537A DE102008030537A1 (de) 2008-06-27 2008-06-27 Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts

Publications (1)

Publication Number Publication Date
WO2009156332A1 true WO2009156332A1 (fr) 2009-12-30

Family

ID=41268171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/057612 Ceased WO2009156332A1 (fr) 2008-06-27 2009-06-18 Procédé de fonctionnement d'un appareil électro-ménager dans lequel circule de l'eau

Country Status (5)

Country Link
US (1) US20110083699A1 (fr)
EP (1) EP2303089A1 (fr)
CN (1) CN102076256A (fr)
DE (1) DE102008030537A1 (fr)
WO (1) WO2009156332A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013143576A1 (fr) 2012-03-27 2013-10-03 Electrolux Home Products Corporation N.V. Lave-vaisselle et procédé de fonctionnement d'un lave-vaisselle
CN105769085A (zh) * 2016-04-28 2016-07-20 佛山市顺德区美的洗涤电器制造有限公司 洗碗机

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20110029A1 (it) * 2011-03-07 2012-09-08 Steelco Spa Macchina e relativo procedimento di lavaggio
WO2020160390A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Kit de machine à laver le linge permettant la commande des niveaux d'eau, la recirculation et la pulvérisation de produits chimiques
WO2020160425A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Régulation des niveaux d'eau et de la concentration de détergent dans un cycle de lavage
EP3918127B1 (fr) * 2019-01-31 2024-11-27 Ecolab USA Inc. Dispositif de commande dun système de réutilisation d'eau de rinçage et procédés d'utilisation
CA3128364A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Systeme de reutilisation d'eau de rincage et procedes d'utilisation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730489A1 (de) 1977-07-06 1979-01-18 Bosch Siemens Hausgeraete Verfahren zum betrieb einer geschirrspuelmaschine sowie derartige maschine zur durchfuehrung des verfahrens
DE3609277A1 (de) * 1986-03-19 1987-09-24 Ascher Erhard Wasch- oder spuelmaschine mit einem waermetauscher
DE3900617A1 (de) 1989-01-11 1990-07-12 Licentia Gmbh Verfahren und vorrichtung zur waermerueckgewinnung
GB2271417A (en) * 1992-10-06 1994-04-13 Bosch Siemens Hausgeraete Foil thermal transmission wall in containers in an appliance operable with water
DE29706153U1 (de) * 1996-04-10 1997-05-28 Electrolux Zanussi Elettrodomestici S.P.A., Pordenone Geschirrspülmaschine mit Wasserspeicher und Kondensationstrocknung
EP0800785A2 (fr) 1996-04-10 1997-10-15 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Machine à laver avec réservoir d'eau multifonction
EP0914800A2 (fr) * 1997-11-05 1999-05-12 Electrolux Zanussi S.p.A. Machine à laver automatique avec dispositif de récupération d'énergie

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070204A (en) * 1976-01-22 1978-01-24 General Electric Company Low-energy dishwasher
ITPN940011A1 (it) * 1994-02-25 1995-08-25 Zanussi Elettrodomestici Lavatrice con sistema di recupero dell'acqua
DE10253017B4 (de) * 2002-11-14 2004-09-09 Whirlpool Corp., Benton Harbor Verfahren zum Betreiben einer Geschirrspülmaschine mit einer zentralen Steuereinheit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2730489A1 (de) 1977-07-06 1979-01-18 Bosch Siemens Hausgeraete Verfahren zum betrieb einer geschirrspuelmaschine sowie derartige maschine zur durchfuehrung des verfahrens
DE3609277A1 (de) * 1986-03-19 1987-09-24 Ascher Erhard Wasch- oder spuelmaschine mit einem waermetauscher
DE3900617A1 (de) 1989-01-11 1990-07-12 Licentia Gmbh Verfahren und vorrichtung zur waermerueckgewinnung
GB2271417A (en) * 1992-10-06 1994-04-13 Bosch Siemens Hausgeraete Foil thermal transmission wall in containers in an appliance operable with water
DE29706153U1 (de) * 1996-04-10 1997-05-28 Electrolux Zanussi Elettrodomestici S.P.A., Pordenone Geschirrspülmaschine mit Wasserspeicher und Kondensationstrocknung
EP0800785A2 (fr) 1996-04-10 1997-10-15 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Machine à laver avec réservoir d'eau multifonction
EP0914800A2 (fr) * 1997-11-05 1999-05-12 Electrolux Zanussi S.p.A. Machine à laver automatique avec dispositif de récupération d'énergie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013143576A1 (fr) 2012-03-27 2013-10-03 Electrolux Home Products Corporation N.V. Lave-vaisselle et procédé de fonctionnement d'un lave-vaisselle
CN105769085A (zh) * 2016-04-28 2016-07-20 佛山市顺德区美的洗涤电器制造有限公司 洗碗机

Also Published As

Publication number Publication date
US20110083699A1 (en) 2011-04-14
DE102008030537A1 (de) 2009-12-31
CN102076256A (zh) 2011-05-25
EP2303089A1 (fr) 2011-04-06

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