EP1345525B1 - Procede pour actionner un lave-vaisselle et lave-vaisselle correspondant - Google Patents

Procede pour actionner un lave-vaisselle et lave-vaisselle correspondant Download PDF

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Publication number
EP1345525B1
EP1345525B1 EP01271171A EP01271171A EP1345525B1 EP 1345525 B1 EP1345525 B1 EP 1345525B1 EP 01271171 A EP01271171 A EP 01271171A EP 01271171 A EP01271171 A EP 01271171A EP 1345525 B1 EP1345525 B1 EP 1345525B1
Authority
EP
European Patent Office
Prior art keywords
pump
rinsing
rinsing chamber
rinsing liquid
spray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01271171A
Other languages
German (de)
English (en)
Other versions
EP1345525A1 (fr
Inventor
Michael Rosenbauer
Bernd Schessl
Helmut Jerg
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
Publication of EP1345525A1 publication Critical patent/EP1345525A1/fr
Application granted granted Critical
Publication of EP1345525B1 publication Critical patent/EP1345525B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • A47L2401/26—Loading door status, e.g. door latch opened or closed state
    • 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
    • A47L2501/04—Water pressure or flow rate
    • 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
    • A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
    • 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
    • A47L2501/26—Indication or alarm to the controlling device or to the user

Definitions

  • the invention relates to a method for operating a dishwasher according to the preamble of claim 1 and a dishwasher according to the preamble of claim 6.
  • a dishwashing machine in which in the housing of the dishwasher two superimposed and pulled out of the housing, the same size receptacle are provided with trough-like washrooms.
  • the liquid supply to spray is interrupted as quickly as possible for the above reason.
  • a dishwasher with rotating spray arms known, which allows to set in at least a portion of a spray level a lower spray pressure than in other areas.
  • a diaphragm control is provided, which causes a reduction of the inlet cross-section in selected areas, so that irrigation fluid is supplied unhindered or in a throttled amount as a function of the angular position of the spray arm.
  • a dishwashing machine which has a pressure sensor which is arranged in a line, is circulated in the washing liquid. If the measured pressure exceeds a predetermined limit, it is assumed that the spray nozzles are clogged and the circulation pump is stopped and an error signal is displayed or an acoustic signal is generated.
  • dishwashers are known in which the ware to be cleaned through a tunnel-like wash compartment by means of a conveyor, so-called continuous dishwashers. Even when opening an access to this washing the liquid supply to sprayers for the above reason is interrupted as quickly as possible.
  • the invention has for its object to make the user of a dishwasher of any kind clogging of the spray openings easily recognizable.
  • the solution of the object is achieved in a method for operating a dishwasher according to the invention according to claim 1.
  • the user of a dishwasher can thus observe the spraying device accessible dish and recognize whether at all spray holes flushing liquid exits, or determine whether at different spray openings different amount of flushing liquid emerges. This is a sign that there is at least a partial blockage of the respective spray openings.
  • this test program with the door open, in dishwashers with pull-out receptacles with the receptacle pulled out, in continuous dishwashers with accessible dishwashing eg by partially open, lifted or tipped tunnel-shaped cover of the sink.
  • the user can then specifically purify the respective spray openings, so that again a perfect flow of the rinsing liquid is ensured by the spray openings. It is with the invention managed to make the user of a dishwasher of any kind clogging of the spray openings easily recognizable.
  • a simple way of reducing the flow rate according to the invention is that, depending on the open position of the washing compartment, the pump speed is lowered, so that its delivery rate is reduced to such an extent that no spraying of washing liquid into the free environment occurs.
  • the electrical control circuit of the pump so as to reduce their flow rate. It can be switched back first to a certain minimum capacity. It is then possible by means of a control circuit arranged in the pump, manually adjustable control member, for example a potentiometer, to regulate a suitable for the review of the pump delivery capacity.
  • a reduction of the flow rate can also be achieved according to the invention in that, depending on the open position of the washing compartment, at least one throttle element reducing the flow rate is activated in the feed line from the pump to the spray unit.
  • the pump can be operated at normal power and the throttle body provides for the reduction of the flow rate. It may again be advantageous that the flow rate of the throttle body is adjustable.
  • a pressure reducing valve can be used as a throttle body. It is also possible to provide a throttle element as an orifice element whose aperture is adjusted by means of a driven depending on the open position of the Spülraums drive member in the direction of reduced transmissibility or to use a controlled in two-stroke valve, the two-stroke control function of the open position of the washing compartment in Gear is set.
  • a dishwashing machine which can be operated according to the above-described method in that a control unit is provided by which the pump can be switched on and the flushing liquid can be opened directly or indirectly when the washing compartment is accessible Open position of the Spülraums detecting sensor is present, through which a throttling of the flow rate of rinsing liquid is triggered by the spray openings with accessible Spülraum.
  • a test program can be activated by the pump is switched on and the supply of rinsing liquid is released even with accessible Spülraum.
  • the flow rate at the spray openings is reduced by the sensor detecting the open position of the flushing chamber. This is a check of the permeability of the spray holes possible without the risk of leakage of rinsing fluid from the washing.
  • the sensor can be turned on in response to the actuation of the control program activating the test program.
  • the electrical control circuit of the pump is influenced by a control signal of the sensor in the sense of a reduction in the delivery rate of the pump.
  • the pump in their speed and thus in their capacity will be shut down so far that no spraying of flushing fluid out of the washing out to the outside.
  • Another possibility for reducing the flow rate is that in the supply line from the pump to the spray device is arranged in its flow rate adjustable by a control signal of the sensor throttle member.
  • a throttling device can advantageously be provided a pressure reducing valve or an orifice element whose aperture is adjustable by a control signal of the sensor in the sense of reducing the flow rate. If such throttling devices are used, then the pump can also be operated at its normal capacity while carrying out a check on the permeability of the spray orifices.
  • a dishwasher which in the embodiment shown, a pull-out receptacle 2 with a trough-shaped washing compartment.
  • a spraying device 4 is mounted, which has spray arms 6 provided with spray openings 5.
  • the spray arms 6 are rotatably arranged in the embodiment shown.
  • the spray arms 6 is supplied via a connected to the pump outlet 9 supply pipe 10 rinsing liquid.
  • the rinsing liquid then exits via the spray openings 5 and is sprayed onto the dishes to be cleaned placed in the rinsing chamber 3.
  • an adjustable throttle body 12 is arranged in the illustrated embodiment.
  • the throttle member 12 is controlled by one of the open position of the Spülraums 2 detecting sensor 13 outgoing control signal in such a way that is supplied by this only in the open position of the washing compartment 2 from the sensor 13 control signal, the throttle body 12 to minimum flow.
  • the promotion of rinsing liquid can be initiated. If the receptacle 2 is pulled out at the same time, that is, the flushing space 3 is accessible, the flow rate of flushing liquid through the spraying openings 5 is reduced by the sensor 13 so far that no strong jet occurs at the spraying openings 5, which could escape from the flushing space 3.
  • the user of the dishwasher can therefore watch the individual spray holes 5 and check their perfect permeability with accessible washing compartment 3, without the risk of being splashed wet. If a lack of permeability is detected then the respective spray openings 5 can be cleaned in a targeted manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Amplifiers (AREA)

Claims (11)

  1. Procédé pour faire fonctionner un lave-vaisselle qui comprend, dans un espace de lavage, au moins un dispositif de pulvérisation alimenté en liquide de lavage par une pompe et pourvu d'ouvertures de pulvérisation à travers lesquelles le liquide de lavage est pulvérisé dans l'espace de lavage,
    caractérisé en ce que la pompe peut être enclenchée et le liquide de lavage alimenté même lorsque l'espace de lavage est accessible, le débit du liquide de lavage à travers les ouvertures de pulvérisation étant toutefois réduit, dans le même temps, de manière telle qu'il n'y ait pas d'éclaboussures de liquide de lavage de l'espace de lavage ouvert vers l'extérieur dans l'environnement libre, une réduction de la vitesse de la pompe ayant lieu en fonction de la position ouverte de l'espace de lavage de manière à ce que son débit soit réduit de manière telle qu'il n'y ait pas d'éclaboussures de liquide de lavage dans l'environnement libre, ou au moins un organe d'étranglement réduisant le débit situé dans la conduite d'amenée allant de la pompe vers l'unité de pulvérisation étant activé en fonction de la position ouverte de l'espace de lavage.
  2. Procédé selon la revendication 1, caractérisé en ce que le débit de l'organe d'étranglement est réglable.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'une soupape de réduction de pression est utilisée en tant qu'organe d'étranglement.
  4. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'on prévoit, en tant qu'organe d'étranglement, un élément diaphragme dont l'ouverture de diaphragme se règle dans le sens d'une capacité de débit réduite au moyen d'un organe d'entraînement commandé en fonction de la position ouverte de l'espace de lavage.
  5. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'on utilise, en tant qu'organe d'étranglement, une soupape commandée selon un cycle à deux temps, la commande à deux temps étant actionnée en fonction de la position ouverte de l'espace de lavage.
  6. Lave-vaisselle pouvant fonctionner selon le procédé d'une des revendications 1-5, qui comprend, dans un espace de lavage (3), au moins un dispositif de pulvérisation (4) alimenté en liquide de lavage par une pompe (8) et pourvu d'ouvertures de pulvérisation (5) à travers lesquelles (5) le liquide de lavage peut être pulvérisé dans l'espace de lavage (3), caractérisé en ce que l'on prévoit un élément de commande (14) qui permet, alors que l'espace de lavage (3) est accessible, non seulement d'enclencher la pompe (8) mais également de libérer l'alimentation de liquide de lavage, d'une manière directe ou indirecte, en outre, en ce qu'un capteur (13) détectant la position ouverte de l'espace de lavage (2) est présent, capteur grâce auquel un étranglement du débit de liquide de lavage à travers les ouvertures de pulvérisation (5) tandis que l'espace de lavage (3) est accessible est déclenché.
  7. Lave-vaisselle selon la revendication 6, caractérisé en ce que le capteur (13) est activé en fonction de l'actionnement de l'élément de commande (14).
  8. Lave-vaisselle selon la revendication 6 ou 7, caractérisé en ce que le circuit de commande électrique de la pompe (8) est influencé par un signal de commande du capteur (13) dans le sens d'une réduction du débit de la pompe (8).
  9. Lave-vaisselle selon la revendication 6 ou 7, caractérisé en ce qu'un organe d'étranglement (12) dont le débit peut être réglé par un signal de commande du capteur (13) est situé dans la conduite d'amenée (10) allant de la pompe (8) vers le dispositif de pulvérisation (4).
  10. Lave-vaisselle selon la revendication 8, caractérisé en ce que l'organe d'étranglement (12) est une soupape de réduction de pression.
  11. Lave-vaisselle selon la revendication 8, caractérisé en ce que l'on prévoit, en tant qu'organe d'étranglement (12), un élément diaphragme dont l'ouverture de diaphragme peut être réglée par un signal de commande du capteur (13) dans le sens d'une réduction du débit.
EP01271171A 2000-12-21 2001-11-27 Procede pour actionner un lave-vaisselle et lave-vaisselle correspondant Expired - Lifetime EP1345525B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10064120 2000-12-21
DE10064120A DE10064120A1 (de) 2000-12-21 2000-12-21 Verfahren zum Betrieb einer Geschirrspülmaschine und Geschirrspülmaschine
PCT/EP2001/013846 WO2002049494A1 (fr) 2000-12-21 2001-11-27 Procede pour actionner un lave-vaisselle et lave-vaisselle correspondant

Publications (2)

Publication Number Publication Date
EP1345525A1 EP1345525A1 (fr) 2003-09-24
EP1345525B1 true EP1345525B1 (fr) 2009-03-25

Family

ID=7668346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01271171A Expired - Lifetime EP1345525B1 (fr) 2000-12-21 2001-11-27 Procede pour actionner un lave-vaisselle et lave-vaisselle correspondant

Country Status (6)

Country Link
US (2) US6994098B2 (fr)
EP (1) EP1345525B1 (fr)
AT (1) ATE426352T1 (fr)
DE (2) DE10064120A1 (fr)
ES (1) ES2322886T3 (fr)
WO (1) WO2002049494A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101414634B1 (ko) * 2008-03-26 2014-08-06 엘지전자 주식회사 의류처리장치
CN111568329A (zh) * 2020-05-25 2020-08-25 上海明略人工智能(集团)有限公司 除渣仓的清洁方法及系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2529021C2 (de) * 1974-07-11 1983-05-11 Euro Hausgeräte GmbH, 6680 Neunkirchen Geschirrspülmaschine mit einstellbarem Spüllaugenfluß für mindestens zwei Sprühvorrichtungen
DE2102572A1 (de) * 1971-01-20 1972-08-03 Resulta Kg Automatische Geschirrspülmaschine
AT332043B (de) * 1973-04-06 1976-09-10 Bosch Hausgeraete Gmbh Geschirrspulmaschine
US3888269A (en) * 1973-07-17 1975-06-10 Whirlpool Co Control system for dishwasher
US4277290A (en) * 1980-01-25 1981-07-07 American Sterilizer Company Low temperature washing and chemical sanitizing of foodware
DE69233635T2 (de) 1991-12-20 2007-07-05 Fisher & Paykel Appliances Ltd., East Tamaki Geschirrspülmaschine
JPH05176874A (ja) * 1991-12-27 1993-07-20 Hoshizaki Electric Co Ltd 食器洗浄機のための制御装置
US5151884A (en) * 1992-03-02 1992-09-29 Maytag Corporation Control system for appliance indicator light and method for using same
DE4404369C2 (de) * 1994-02-11 1997-04-30 Miele & Cie Zulaufventil für den Sprüharm einer Geschirrspülmaschine
JPH10165913A (ja) * 1996-12-13 1998-06-23 Sanyo Electric Co Ltd 噴射式洗浄機
DE19732856C2 (de) * 1997-07-30 2000-05-18 Bht Hygiene Technik Ing H Bier Reinigungsmaschine und Überwachungsverfahren
DE19736919B4 (de) * 1997-08-25 2007-08-09 AEG Hausgeräte GmbH Geschirrspülmaschine mit mindestens einer Spülebene
US6666219B2 (en) * 2002-03-07 2003-12-23 Maytag Corporation Fast interrupt of dishwasher hand sensor

Also Published As

Publication number Publication date
DE10064120A1 (de) 2002-06-27
ES2322886T3 (es) 2009-07-01
US20040050403A1 (en) 2004-03-18
WO2002049494A1 (fr) 2002-06-27
US6994098B2 (en) 2006-02-07
US20060102203A1 (en) 2006-05-18
EP1345525A1 (fr) 2003-09-24
US7320330B2 (en) 2008-01-22
DE50114797D1 (de) 2009-05-07
ATE426352T1 (de) 2009-04-15

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