EP2635173A1 - Method for operating a water-conducting domestic appliance - Google Patents
Method for operating a water-conducting domestic applianceInfo
- Publication number
- EP2635173A1 EP2635173A1 EP11773264.4A EP11773264A EP2635173A1 EP 2635173 A1 EP2635173 A1 EP 2635173A1 EP 11773264 A EP11773264 A EP 11773264A EP 2635173 A1 EP2635173 A1 EP 2635173A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- concentricity
- malfunction
- household appliance
- circulating 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 230000007257 malfunction Effects 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 35
- 230000033001 locomotion Effects 0.000 claims description 17
- 108010076504 Protein Sorting Signals Proteins 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 description 9
- 238000011010 flushing procedure Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000008237 rinsing water Substances 0.000 description 3
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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
-
- 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
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0023—Water filling
-
- 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
- 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
- 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
- A47L2401/07—Status of hydraulic components, e.g. open/close status of water inlet/outlet valves, operating position of water diverters
-
- 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
- A47L2401/08—Drain or recirculation pump parameters, e.g. pump rotational speed or current absorbed by the motor
-
- 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
- A47L2401/30—Variation of electrical, magnetical or optical quantities
-
- 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
- A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
-
- 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
- A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
Definitions
- the invention relates to a method for operating a water-conducting household appliance, in particular a dishwasher, which has a circulation pump and a water circulation associated with the circulation pump, in particular the circulation pump downstream with at least one adjustable by an actuator motor actuator for changing direction of a liquid flow through the water separator in which the water-bearing domestic appliance is filled with a circulating with the circulating pump utilizatosis and is checked in a first step, if a malfunction of the water gate is present, and is checked in a second step by a Rundlauflaufterrorism phenomenon, if the size of the réelle Stahlmenge in water-conducting household appliance at least the size of a Sollhelligange to ensure the concentricity of the circulating pump, wherein for concentricity test at least one operating parameter of the circulating pump drive the electric motor is evaluated for a concentricity of the circulating pump out.
- Water-conducting household appliances is supplied via a corresponding connection water, which is added in the household appliance with detergent or detergent and optionally other agents and conveyed into a working space in which to be cleaned Good, such as dishes (dishwasher) or garments (washing machine) ,
- a working space in which to be cleaned Good
- the liquid introduced into the working space is collected during the rinsing process and then conveyed back into the working space.
- circulating pumps are provided.
- the circulating pump is assigned a water separator, in particular connected downstream in the flow direction, which serves to set liquid flows or to direct them in a desired direction.
- water switches serve to direct washing or rinsing water, for example, into a first or a second rinsing chamber of two rinsing chambers.
- water softeners serve, for example, to feed flushing water streams, also called flushing liquors, for example to a spray arm for a top basket and / or to a spray arm for a lower basket.
- flushing water streams also called flushing liquors
- the water points on at least one motor-movable actuator, by means of which different flow openings the water diverter can be opened and / or closed by the adjusting element in response to appropriate control signals in order to set the desired distribution of the liquid flows.
- water-conducting domestic appliances such as dishwashers pass through washing programs which comprise a plurality of wash program steps which each start with a filling of the dishwasher with a minimum amount of flushing water and end with a pump-down operation in order to convey the now soiled amount of flushing water from the dishwasher.
- washing programs which comprise a plurality of wash program steps which each start with a filling of the dishwasher with a minimum amount of flushing water and end with a pump-down operation in order to convey the now soiled amount of flushing water from the dishwasher.
- the circulated amount of flushing water is less than a necessary amount for reliable operation, for example, because rinsing water collects in one with its glass or pot facing up and can be circulated with more, the result may be an unpleasant noise development due to air sucking Be pump or the cleaning and drying result is not satisfactory.
- a concentricity test or a refilling step for increasing the minimum filling water quantity is carried out if there is no malfunction of the water distributor and the concentricity test or the refilling step is faded out if a malfunction of the water distributor is detected. If a malfunction of the water switch is present, this can have the consequence, for example, that the concentricity test can lead to the result that, for example, there is dry running of the circulating pump, whereupon a refilling process can be carried out to increase the circulating liquid quantity with the result that the water-conducting domestic appliance is overfilled and water comes out of the water-bearing household appliance.
- a malfunction of the water distributor is preferably concluded when the sensor signals deviate from the control signals correspond to a stationary or an actuating element which is in continuous uninterrupted motion or the sensor signals deviate from an expected sensor signal sequence or sensor signal sequence.
- a defect of the actuator motor can be detected, which has the consequence that the actuator is stationary.
- An uninterrupted continuous movement of the actuating element can e.g. Result of a defective sensor so that no defined stop position is detected for the actuator.
- deviations from an expected sensor waveform or sequence may be due to defective signal lines of the sensor or to a malfunction of the sensor itself.
- the actuating element motor is stopped upon detecting a continuous movement of the actuating element of the water switch.
- the actuating element motor is stopped upon detecting a continuous movement of the actuating element of the water switch.
- the minimum amount of filling water is maintained. Since it is not possible to make any statements about the dry running of the circulating pump when the concentricity test is blanked out, the minimum filling water quantity is preferably maintained when the current operating program of the household appliance has reached a point at which it can be assumed that sufficient liquid has already been supplied.
- a minimum nominal nominal filling water quantity or a maximum nominal filling water quantity is set. It is especially preferred to set a minimum nominal filling water volume when the concentricity test is hidden.
- the practitionerestsoll spalligange results advantageously from known values that ensure a wet run of the circulation pump or prevent dry running at normal load or a normal / average Spülgutmenge.
- a maximum refill water quantity is set when the concentricity test is hidden.
- the Maximum Soll Pillliganmenge ensures on the one hand the wet running of the circulation pump and on the other hand a sufficient amount of filling water for cleaning all items to be washed, especially at a maximum load on the appliance. For example, it may be determined depending on the rinse program selected by the user whether the minimum target water amount or the maximum target water amount is set.
- the movement of the adjusting element of the water distributor is monitored without contact.
- the movement can be detected by means of optical sensors or electromagnetic sensors. It is also conceivable to determine the current consumption of the actuating element displacing / moving actuator. Of course, however, a touching detection of the movement of the actuating element is conceivable.
- the non-contact detection has the advantage that no friction affecting the performance of the actuator occurs.
- the invention relates to a water-conducting domestic appliance, in particular a dishwasher, with a circulating pump and a water circulation associated with the circulation pump, in particular downstream, with at least one by a Stell- element-adjustable adjusting element for changing the direction of a liquid flow through the water diverter, which can be filled with a circulating with the circulation pump ihnhelliganmenge, wherein means are provided for checking a malfunction of the water diverter and to perform a concentricity test, wherein in the concentricity test, the means to check whether the size of réelle spalliganmenge in water-bearing household appliance at least the size of a Sollhelligange to ensure the concentricity of the circulating pump and the means in the concentricity test at least evaluate an operating parameter of the circulating pump driving electric motor to a concentricity of the circulation out.
- a concentricity test or a refilling step for increasing the minimum filling quantity can be carried out if there is no malfunction of the water distributor and the concentricity test or the refilling step is hidden if the device detects a malfunction of the water distributor.
- FIG. 1 shows a water-conducting household appliance in a schematic representation
- FIG. 2 shows a method sequence for operating the water-conducting domestic appliance.
- FIG. 1 shows, in a simplified representation, a water-conducting domestic appliance 1, which in the present exemplary embodiment is designed as a dishwasher 2.
- the water-conducting household appliance 1 a housing 3, in which a working space 4 is formed.
- two rinsing baskets 5.6 are provided, which are designed to hold items to be washed or dishes.
- the washing basket 5 is arranged above the washing basket 6. Of course, fewer or more rinse baskets can be provided.
- Below the lower Spülkorbs 6, a spray arm 7 is arranged, which - as indicated by spraying - a rinsing liquor, z.
- the lower spray arm 7 rotates in a known manner due to the water pressure of the rinsing liquor discharged by it.
- the spray arm 7 is fluidly connected via a pipe 8 with a water switch 9, wherein the water switch 9 will be discussed later.
- an upper rinsing arm 10 is arranged, which, in a manner corresponding to the lower rinsing arm 8, allows a rinsing liquor to be dispensed from its upper side to the upper rinsing basket 5 and to the items to be washed therein.
- the upper rinsing arm 10 also rotates as a result of the water pressure of the rinsing liquor dispensed by it.
- the flushing arm 10 is also fluidly connected to the water switch 9 via a pipe 1 1.
- a so-called overhead shower 12 is arranged above the washing basket 5, which is preferably formed by a rotatable spray arm 13, a rinsing liquor from its bottom in the direction of the upper washing basket 5 and thus also on the optionally in the Rinsing 5 located washware allowed.
- the overhead shower 12 is fluidly connected via a pipe 14 to the water switch 9.
- the water switch 9 has different connections for the pipes 1 1 and 14 and a connection for the pressure side of a circulating pump 15.
- the circulation pump 15 is associated with an electric motor 16 for driving the circulation pump 15.
- the working space 4 has, in its bottom area, a collecting device 17 for liquid located in the working area, which is designed essentially as a slope in order to convey liquids to a pipeline 18 which is connected to the suction side of the circulating pump 15.
- the liquid collected by means of the collecting device in the working space 4 or in the wet area is fed via the pipeline 18 to the circulating pump 15, which in turn conveys the liquid to the downstream water divider 9.
- the water switch 9 comprises at least one adjusting element, not shown here, which is movable in different position by a Sachlemenmotor not shown here so that rinsing water or rinsing liquors can be delivered in a specific manner to the aforementioned pipes 8, 11 and 14.
- the water distributor 9 has a turntable provided with flow openings. Waters 9 with turntables are well known, so it should not be discussed here on the exact execution of the water switch 9.
- the water serweiche 9 is assigned an actuator, in particular electromotive actuator, which serves to move or rotate the turntable.
- the domestic appliance 1 comprises means for performing a concentricity test with the circulation pump 15 and for function monitoring, i. for monitoring the movement of the control element of the water switch 9 with the water switch 9, which is connected to the water switch for this purpose.
- the device 19 detects the actual motor current of the electric motor 16 driving the circulating pump 15 by means of a suitable sensor or suitable circuit. In normal operation, the device 19 adjusts the power of the circulating pump 15 (or of the driving electric motor) and / or the filling water quantity for the working space 4 of the household appliance 1 such that enough liquid, for. B. water for a concentricity of the circulation pump 15 is available.
- a non-contact sensor 20 is assigned to the control element of the water switch 9 and connected to the device 19 so that the device 19 detects the movement of the control element of the water switch 9 by means of the sensor 20.
- a desired wash program is selected or predetermined by the user via the control panel 21.
- a filling water quantity is determined in a subsequent step 23 and supplied to the working space 4.
- the movement of the actuating element of the water distributor 9 is checked by means of the device 19 and the sensor 20.
- step 25 in which the concentricity test to determine the concentricity of the circulating pump 15th or to check the minimum size of a filling water quantity is performed. It may also follow a refilling step, which increases the amount of filling water. However, if it is determined in step 24 that the control element of the water distributor 9 has not come to a standstill, but instead instead of a continuous movement (n) is present as an error case, the procedure continues in a step 26.
- step 26 it is decided, in particular depending on the selected flushing process, that the concentricity check is hidden and the water switch is switched off or switched off.
- a step 27 first the concentricity test is hidden. This ensures that in case of malfunction of the water switch 9 z. B. when detecting a continuous movement of the control element, this does not cause a too large amount of filling water is supplied to the working space 4 and the household appliance 1, which could lead to liquid exiting the household appliance 1. Instead, a minimum filling water quantity or a maximum filling water quantity is preferably set in a subsequent step 28, z. B. by time filling, ie by a valve opening for a certain period of time.
- the minimum filling water volume ensures the concentricity of the circulating pump 15 with minimal water consumption.
- the maximum amount of filling water ensures complete cleaning of the items to be washed and the concentricity of the circulating pump 15 and is limited to the effect that the working space 4 is not overfilled.
- the water switch 9 is turned off.
- the actuating element or actuating element motor driving the actuating element is expediently switched de-energized, so that the actuating element comes to a standstill.
- the actual motor current of the electric motor 16 is solely dependent on the filling water quantity or the concentricity or dry running of the circulating pump 15 generated thereby.
- it can also be provided in the event of a malfunction of the water distributor 9 in the washing program for operating the water-conducting household appliance 1 provided refilling step to increase the amount of water fade out to rule out overfilling of the water-conducting household appliance 1 and a water outlet.
- the method for operating the household appliance 1 thus ensures the operational safety of the household appliance 1 in a simple manner.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010043328A DE102010043328A1 (en) | 2010-11-03 | 2010-11-03 | Method for operating a water-conducting household appliance |
PCT/EP2011/068474 WO2012059349A1 (en) | 2010-11-03 | 2011-10-21 | Method for operating a water-conducting domestic appliance |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2635173A1 true EP2635173A1 (en) | 2013-09-11 |
EP2635173B1 EP2635173B1 (en) | 2015-03-04 |
Family
ID=44863005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11773264.4A Active EP2635173B1 (en) | 2010-11-03 | 2011-10-21 | Method for operating a water-conducting domestic appliance |
Country Status (4)
Country | Link |
---|---|
US (1) | US10004375B2 (en) |
EP (1) | EP2635173B1 (en) |
DE (1) | DE102010043328A1 (en) |
WO (1) | WO2012059349A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013111629A1 (en) * | 2013-10-22 | 2015-04-23 | Miele & Cie. Kg | Dishwasher and method for operating a dishwasher |
US10314458B2 (en) * | 2017-03-28 | 2019-06-11 | Haier Us Appliance Solutions, Inc. | Fluid circulation system for dishwasher appliances and related methods |
DE102017212316A1 (en) * | 2017-07-19 | 2019-01-24 | BSH Hausgeräte GmbH | Household dishwasher, system with household dishwasher and server and method of operating a household dishwasher |
DE102018214652A1 (en) * | 2018-08-29 | 2020-03-05 | BSH Hausgeräte GmbH | Dishwasher, method for operating a dishwasher and computer program product |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10134916A1 (en) * | 2001-07-18 | 2003-04-24 | Aeg Hausgeraete Gmbh | Household appliance with an adjustable liquid distribution device and method for its control |
US20060219262A1 (en) * | 2005-04-04 | 2006-10-05 | Peterson Gregory A | Water fill level control for dishwasher and associated method |
EP1935314A3 (en) | 2006-12-21 | 2010-02-17 | Diehl AKO Stiftung & Co. KG | Adjusting device for a control element assembly of a water valve of a washing household appliance and method for adjusting the water valve by using a synchronous motor |
DE102007011307B3 (en) * | 2007-03-06 | 2008-08-21 | Miele & Cie. Kg | Water intake implementing method for rinsing machine i.e. household-dishwasher, involves supplying water amount to machine depending on refueling rotational speed or mathematical relationship between target and refueling rotational speeds |
DE102007017274A1 (en) | 2007-04-12 | 2008-10-30 | BSH Bosch und Siemens Hausgeräte GmbH | Method for detecting the position of a closure element in a water switch |
DE102007041313A1 (en) | 2007-08-31 | 2009-03-05 | BSH Bosch und Siemens Hausgeräte GmbH | Method for operating a dishwasher |
DE102007041311A1 (en) | 2007-08-31 | 2009-03-05 | BSH Bosch und Siemens Hausgeräte GmbH | Method for operating a water-conducting household appliance |
DE102008043613B4 (en) | 2008-11-10 | 2011-02-24 | BSH Bosch und Siemens Hausgeräte GmbH | Electric household appliance with at least one liquid feed |
-
2010
- 2010-11-03 DE DE102010043328A patent/DE102010043328A1/en not_active Withdrawn
-
2011
- 2011-10-21 WO PCT/EP2011/068474 patent/WO2012059349A1/en active Application Filing
- 2011-10-21 EP EP11773264.4A patent/EP2635173B1/en active Active
- 2011-10-21 US US13/879,812 patent/US10004375B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012059349A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2635173B1 (en) | 2015-03-04 |
US10004375B2 (en) | 2018-06-26 |
WO2012059349A1 (en) | 2012-05-10 |
DE102010043328A1 (en) | 2012-05-03 |
US20130220374A1 (en) | 2013-08-29 |
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