EP2453784A2 - Appareil ménager à circulation d'eau - Google Patents

Appareil ménager à circulation d'eau

Info

Publication number
EP2453784A2
EP2453784A2 EP10730769A EP10730769A EP2453784A2 EP 2453784 A2 EP2453784 A2 EP 2453784A2 EP 10730769 A EP10730769 A EP 10730769A EP 10730769 A EP10730769 A EP 10730769A EP 2453784 A2 EP2453784 A2 EP 2453784A2
Authority
EP
European Patent Office
Prior art keywords
water
household appliance
protection device
overfill protection
drain pump
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.)
Granted
Application number
EP10730769A
Other languages
German (de)
English (en)
Other versions
EP2453784B1 (fr
Inventor
Bernd Hesterberg
Karlheinz Rehm
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 PL10730769T priority Critical patent/PL2453784T3/pl
Publication of EP2453784A2 publication Critical patent/EP2453784A2/fr
Application granted granted Critical
Publication of EP2453784B1 publication Critical patent/EP2453784B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A47L15/42—Details
    • 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
    • A47L15/001—Drain phases, including initial, intermediate or partial draining phases
    • 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
    • A47L15/421—Safety arrangements for preventing water damage
    • 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
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • 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
    • A47L15/4244—Water-level measuring or regulating arrangements
    • 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
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices

Definitions

  • the invention relates to a water-conducting household appliance according to the preamble of claim 1.
  • Dishwashers are supplied during a filling step with the liquid required for the operation of the household appliance.
  • the liquid is supplied in particular to a working area of the household appliance, for example a washing container of a dishwasher.
  • at least one drain pump is provided with which the liquid can be pumped out of the water-conducting household appliance again. In order to prevent that it can come to an overflow of water due to a high water level in the household appliance and thus in the environment of the household appliance
  • the household appliance has the overfill protection device. This prevents occurrence of too high water level.
  • the overfill protection device may have a base tray in which a
  • Water level sensor is arranged. If there is now an escape of water from the working area of the household appliance, it first runs into the floor pan and is collected there. If the water in the floor pan reaches a certain water level, the water level sensor responds and thus signals a control of the household appliance that water is leaking or that the water level is too high. The overfill protection device can now respond to this information, for example by stopping a further supply of water to the household appliance and / or indicating to the user that an error has occurred. This procedure is disadvantageous in that the water level sensor only responds after water has already leaked from the working area of the household appliance and drained into the floor pan.
  • This is inventively with a water-conducting household appliance with the
  • Operating parameters of the drain pump is formed and prevents the implementation of a further filling step after the filling step in the presence of a deducible from the at least one operating parameter malfunction of the drain pump.
  • Domestic appliance therefore has at least one pump which serves as a drain pump
  • Outfeeding liquid is formed from the water-conducting household appliance.
  • the household appliance can in at least one filling step liquid,
  • the function of the drain pump is to be monitored and a further filling step of the household appliance to be prevented as soon as a malfunction of the drain pump is detected. This means that no more liquid can get into the household appliance as soon as the malfunction of the
  • Lye pump was detected.
  • This has the advantage over the household appliances known from the prior art that the further filling step is already prevented before the too high water level is reached or water has leaked from the working area of the household appliance and not only after water already leaked example, in the floor pan is.
  • the excessively high water level is effectively prevented even before it occurs by preventing the further filling step.
  • the excessively high water level is for example defined in such a way that it is present as soon as liquid from the domestic appliance enters an environment of the
  • Household appliance exits so for example in an overflow of the floor pan of the household appliance or already in a leakage of liquid from the work area. Due to the inventive design of the water-conducting household appliance so that a high water level can already be clearly seen before its occurrence, which is not possible with the known from the prior art household appliances. In this way, on the one hand prevent the unnecessary further filling step and also avoid that water in a safety device of the household appliance, such as the floor pan, and possibly gets into the environment from there. In order to determine the malfunction of the drain pump, is the
  • Overfill protection device provided which detects the at least one operating parameter of the drain pump. So it is envisaged that the
  • Overfill protection device the operating parameters in particular continuously determined and so can determine the malfunction.
  • the overfill protection device may also be provided in addition to an existing overfill protection.
  • the household appliance can thus continue a floor pan with a
  • Have water level detection device for example, a water level sensor. However, it may also be provided, only the
  • overfill protection device to prevent the water level being too high to prevent leakage of liquid into the environment of the household appliance.
  • the overfill protection device it is also possible with the overfill protection device to prevent the operation of a sensing valve, sewage pump and / or circulating pump as soon as the malfunction occurs.
  • the sensing valve is adapted to carry water into the household appliance.
  • the wastewater pump can pump waste water out of the household appliance and thus convey it out of it.
  • Circulation pump is designed to circulate the water within the household appliance.
  • the water or the liquid can also contain and / or have any additives, for example cleaning agents and / or rinsing agents.
  • a further development of the invention provides that the overfill protection device prevents the implementation of the further filling step when the water-conducting household appliance is put into operation again. When restarting it may be the case that after commissioning or switching on the household appliance still no malfunction of the drain pump has occurred. Nevertheless, the should
  • Malfunction must therefore be known even after restarting the water-bearing household appliance. This can be the case, for example, in that a persistent error state is set as soon as the malfunction of the drain pump is present. This means that the error state is also known after switching off and restarting the household appliance, whereby the implementation of the further filling step can be prevented.
  • a development of the invention provides that the overfill protection device is designed to compare the acquired operating parameters with stored desired values. The overfill protection device thus detects the operating parameters of the
  • Lye pump and compares this with the setpoint values.
  • the target values are in the Overfill protection device stored or deposited. If, when comparing the operating parameters with the desired values, a difference is detected which exceeds a predetermined maximum difference, the
  • Overfill protection device detect the presence of the malfunction.
  • Carrying out the further filling step can subsequently be prevented.
  • the overfill protection device is designed to detect a current consumption of an electric motor driving the drain pump as the operating parameter. So it should be the power consumption of the
  • Electric motor preferably time-dependent, be determined and used to monitor the function of the drain pump. For example, it may mean a decrease in the current consumption of the electric motor that the connected to the electric motor leach pump idles, so no more liquid transported, from which it can be concluded that no liquid is present in the household appliance.
  • too high a power consumption for example, mean that the
  • Lye pump is blocked and thus no pumping of the water takes place. In the latter case, there is a malfunction of the drain pump, so that the further filling step is prevented.
  • the monitoring of the current consumption of the electric motor can also be time-dependent. This means that the course of the power consumption over time is considered in order to detect the malfunction of the drain pump.
  • the integral of the current consumption over time can also be evaluated, so that, for example, the monitoring of the drain pump takes place by considering the total amount of electricity taken up since the start of the drain pump.
  • a development of the invention provides that the drain pump can be driven by an electronically commutated electric motor.
  • the drain pump is rotatably connected to the electric motor and is driven by this.
  • the electric motor is commutated electronically, thus, for example, has a control / regulation, by means of which the commutation is performed.
  • Electronically commutated means that a current flow passes from one branch to another to create a rotating magnetic field that rotates the electric motor.
  • the commutation can also be carried out mechanically, for example by means of a carbon brush and collector.
  • the overfill protection device is designed to detect a commutation of the electric motor as the operating parameter. To monitor the drain pump and the commutation of the electric motor can be monitored.
  • Household appliance is present.
  • the overfill protection device communicates with display means with which the malfunction can be displayed to a user.
  • the malfunction of the drain pump should be the user of the water-bearing
  • Household appliance are displayed. In this way, the user can respond adequately to the malfunction of the drain pump, for example, notify a maintenance service or perform the necessary actions.
  • the drain pump for example, consist of a cleaning of the drain pump.
  • a development of the invention provides that the water-conducting household appliance is set up such that after commissioning of the water-conducting household appliance, the suds pump is in operation.
  • the drain pump can be activated after switching on the household appliance. This can be done for example after switching on or the commissioning of the household appliance to first monitor the function of the drain pump. If a malfunction of the drain pump is detected, then the further filling step can be prevented.
  • the commissioning of the drain pump may also serve to determine if there is liquid in the household appliance.
  • a defined initial state is already established, namely a lower one Water level. This is done by the pumping out of liquid from the water-bearing household appliance by means of the drain pump.
  • a development of the invention provides that the water-conducting household appliance is set up such that after commissioning of the water-bearing
  • Error state is set, because in this case it is already known that the malfunction of the drain pump is present. It may be appropriate to the malfunction of the
  • Lye pump are reacted and the further filling step of the water-bearing
  • Household appliance can be prevented.
  • the error state is set in the case of the malfunction of the drain pump.
  • a set fault condition therefore prevents, especially immediately after the startup of the household appliance, the further filling step. This means that once the malfunction of the drain pump has been detected, the monitoring of the drain pump no longer needs to be performed, since the set error state prevents the next filling step.
  • Particularly advantageous is the
  • Error state persistent This means that it is permanently set, so it is not deleted, for example, when the household appliance is switched off. Thus, a once set persistent fault condition is still set after switching off and after restarting the household appliance. If the fault condition has already been set after the household appliance has been put into operation, the function of the drain pump need not be monitored, but the further filling step can be prevented directly. Of course, it is also possible to continue to monitor the function of the drain pump in this case.
  • the persistent error state can be manually reset to a non-set state.
  • a development of the invention provides that the overfill protection device is in communication with a water level determination device, in particular a water level sensor.
  • the water level detecting device serves a
  • Water level detection device is connected, and that the
  • Overfill protection device can prevent the further filling step, as soon as by means of the water level detecting device, the excessively high water level is detected.
  • the water level detecting device can detect the excessively high water level.
  • the water level determining device is provided in addition to the overfill protection device and / or formed by this.
  • the water level detecting device is for example in the
  • the bottom tray serves to first receive a certain amount of water before it can be discharged from the household appliance.
  • the bottom tray is designed as leakage protection.
  • the floor pan is usually provided at a low position of the household appliance.
  • the floor pan at least partially forms the lowest point of the household appliance.
  • the invention further relates to a method for operating a water-conducting domestic appliance, in particular a dishwasher, preferably according to the above statements, during which at least temporarily during a
  • Liquid filling step is supplied and at least temporarily during a further step by operating a drain pump liquid from the water-bearing
  • Household appliance is conveyed out, with a overfill protection device prevents too high a water level in the water-bearing household appliance. It is provided that after the filling step, the overfill protection device at least temporarily during the further step at least one operating parameter of Lye pump detected and in the presence of one of the at least one
  • Overfill protection on which prevents too high a water level of the household appliance. This is done by the overfill protection device monitoring the function of the drain pump. If the malfunction of the drain pump is detected, the further filling step of the domestic appliance is prevented.
  • the household appliance can be both a dishwasher and a washing machine.
  • Figure a schematic representation of a water-conducting household appliance.
  • the figure shows a schematic representation of a water-conducting household appliance 1, which is designed as a dishwasher 2.
  • the dishwasher 2 has a working area 3 in which goods to be cleaned or rinsed (not shown) can be arranged.
  • the good is placed in at least one washing basket 4, which is, for example, forward from the work area, so out of the drawing level, extendable.
  • the working area 3 is also referred to as a rinsing container.
  • a pump sump 5 is provided, in which collect in the work area 3 introduced water or the rinsing liquor.
  • a liquor pump 6 and a circulating pump 7 are fluidly connected.
  • liquid can be conveyed out of the pump sump 5 in the direction of a sewage connection 8.
  • By means of the drain pump 6 can thus liquid from the pump sump. 5
  • the drain pump 6 serves as a drain pump.
  • the circulation pump 7 the liquid can be supplied from the pump sump at least one feed device 9.
  • Feeding device 9 the liquid is returned to the working area 3 of Dishwasher 2 passed.
  • Both the drain pump 6 and the circulation pump 7 are connected to a control device 10, which is also a
  • Overfill protection device 1 1 has.
  • the overfill protection device 1 1 monitors at least one operating parameter of the drain pump 6 and prevents in the presence of a malfunction of the drain pump 6 to carry out a further filling step of the dishwasher 2, in particular by deactivating the
  • the controls 13 may include, for example, a start switch, with which a rinsing of the dishwasher 2 and a
  • Display means 12 and operating elements 13 are provided in an operating area 14, which is provided on a housing 15, which is merely indicated in the figure. Provides the
  • Overfill protection device 1 1 the malfunction of the drain pump 6 fixed, so this can be displayed to a user of the dishwasher 2 by means of the display means 12. He can then take appropriate action. In a detection of the malfunction is also the start switch, so the control element 13, blocked or ineffective. This means that a flushing of the
  • Dishwasher 2 can not be started by means of the control element 13, but that this from the control device 10 and the
  • Overfill protection device 1 1 is prevented. Another filling step, ie a further introduction of liquid into the dishwasher 2, can thus only be carried out after the malfunction of the drain pump 6 has been rectified. In this way it is prevented that liquid can escape from the dishwasher 2.
  • monitoring the function of the drain pump 6 can also be monitored whether water is in the household appliance 1. If the function of the drain pump 6 is monitored before the appliance 1 water or liquid is supplied, it can be determined whether there is liquid in the household appliance 1. This water can come, for example, from a previous operating cycle of the household appliance 1. For example, (immediately) after a
  • Detect domestic appliance 1 insofar as to determine whether there is water in this. In this way, a defined starting position for the at least one filling step is created. It can be provided, for example, to prevent the further filling step, if it is determined that after pumping by means of
  • Lye pump 6 still water in the household appliance 1 is present, so this was not completely pumped / could be. In this way, occurrence of too high water level can be effectively prevented.
  • the drain pump 6 can be monitored by means of the overfill protection device 1 1 or a motor control of a serving to drive the drain pump 6 electric motor.
  • the monitoring or the detection of the at least one operating parameter of the drain pump 6 by the overfill protection device 11 can occur before and / or during and / or after a program run of the
  • Household appliance 1 are performed.
  • the program cycle is, for example, the program cycle of a wash program, in the case that the household appliance 1, as shown here, is a dishwasher 2.
  • Program execution thus means the passage through a normal operating cycle of the household appliance 1.
  • Monitoring of the function of the drain pump 6 can take place at any time during the process
  • Program passage of the household appliance 1 are performed.
  • Program run monitored or checked. It may be provided that if a malfunction of the drain pump 6 is detected before the program run of the household appliance 1, the program run is not started. If the malfunction of the drain pump is diagnosed during the program run, the program run can be aborted. It can be provided that if the malfunction of the drain pump 6 after the

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention concerne un appareil ménager (1) à circulation d'eau, notamment un lave-vaisselle (2), auquel un liquide est cédé lors d'au moins une première étape de remplissage et qui comprend au moins une pompe de vidange (6) pour évacuer le liquide de l'appareil ménager (1) à circulation d'eau et un dispositif de trop-plein (11) pour empêcher un niveau d'eau trop élevé dans l'appareil ménager (1) à circulation d'eau. A cet effet, le dispositif de trop-plein (11) est conçu pour détecter au moins un paramètre de fonctionnement de la pompe de vidange (6) et, au terme de cette étape de remplissage, empêcher l'exécution d'une autre étape de remplissage en cas de dysfonctionnement de la pompe de vidange (6), dysfonctionnement imputable audit au moins un paramètre de fonctionnement. L'invention concerne également un procédé pour faire fonctionner un appareil ménager (1) à circulation d'eau.
EP10730769.6A 2009-07-14 2010-07-05 Appareil ménager à circulation d'eau Active EP2453784B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10730769T PL2453784T3 (pl) 2009-07-14 2010-07-05 Prowadzące wodę urządzenie gospodarstwa domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009027690A DE102009027690A1 (de) 2009-07-14 2009-07-14 Wasserführendes Haushaltsgerät
PCT/EP2010/059520 WO2011006785A2 (fr) 2009-07-14 2010-07-05 Appareil ménager à circulation d'eau

Publications (2)

Publication Number Publication Date
EP2453784A2 true EP2453784A2 (fr) 2012-05-23
EP2453784B1 EP2453784B1 (fr) 2017-03-01

Family

ID=43382671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10730769.6A Active EP2453784B1 (fr) 2009-07-14 2010-07-05 Appareil ménager à circulation d'eau

Country Status (8)

Country Link
US (1) US8691021B2 (fr)
EP (1) EP2453784B1 (fr)
KR (1) KR20120051694A (fr)
CN (1) CN102469909B (fr)
DE (1) DE102009027690A1 (fr)
PL (1) PL2453784T3 (fr)
RU (1) RU2492799C1 (fr)
WO (1) WO2011006785A2 (fr)

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US20190159652A1 (en) * 2017-11-30 2019-05-30 Haier Us Appliance Solutions, Inc. Dishwasher appliance having a pressure sensor for flood detection
GB2582296B (en) * 2019-03-13 2021-10-13 Centrica Plc System for detecting drainage flow obstructions in washing appliances
DE102020106839A1 (de) 2020-03-12 2021-09-16 Illinois Tool Works Inc. Spülmaschine zum reinigen von spülgutteilen in gestalt von trinkgefässen
DE102020108881A1 (de) 2020-03-31 2021-09-30 Illinois Tool Works Inc. Thekensystem zur übergabe von insbesondere zumindest teilweise unverpackten lebensmitteln sowie verfahren zum aufnehmen von kundenspezifischen und insbesondere kundenindividualisierten bestellungen bei einem thekensystem
DE102020126121B4 (de) 2020-10-06 2025-10-16 Illinois Tool Works Inc. Spülmaschine zum reinigen von spülgutteilen in gestalt von trinkgefässen und thekenmodul mit einer solchen spülmaschine
WO2022226015A1 (fr) * 2021-04-23 2022-10-27 Illinois Tool Works Inc. Lave-vaisselle, en particulier sous la forme d'un module de comptage pour un système de comptage
US11786100B2 (en) * 2021-04-23 2023-10-17 Illinois Tool Works Inc. Dishwasher, in particular in the form of a counter module for a counter system
US12161277B2 (en) 2021-04-23 2024-12-10 Illinois Tool Works Inc. Dishwasher, in particular in the shape of a counter module for a counter system
CN114158995B (zh) * 2021-11-09 2024-03-19 佛山市百斯特电器科技有限公司 一种故障识别的方法及洗涤设备
US12042113B2 (en) 2022-08-10 2024-07-23 Haier Us Appliance Solutions, Inc. Flagged water event response cycle resume for a dishwasher appliance

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Also Published As

Publication number Publication date
RU2012100392A (ru) 2013-08-20
KR20120051694A (ko) 2012-05-22
DE102009027690A1 (de) 2011-01-20
EP2453784B1 (fr) 2017-03-01
WO2011006785A2 (fr) 2011-01-20
US8691021B2 (en) 2014-04-08
US20120111372A1 (en) 2012-05-10
WO2011006785A3 (fr) 2011-04-14
CN102469909A (zh) 2012-05-23
CN102469909B (zh) 2014-10-15
PL2453784T3 (pl) 2017-08-31
RU2492799C1 (ru) 2013-09-20

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