EP2420175A2 - Lave-vaisselle doté d'un programme de rinçage adaptable manuellement - Google Patents

Lave-vaisselle doté d'un programme de rinçage adaptable manuellement Download PDF

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Publication number
EP2420175A2
EP2420175A2 EP11176807A EP11176807A EP2420175A2 EP 2420175 A2 EP2420175 A2 EP 2420175A2 EP 11176807 A EP11176807 A EP 11176807A EP 11176807 A EP11176807 A EP 11176807A EP 2420175 A2 EP2420175 A2 EP 2420175A2
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EP
European Patent Office
Prior art keywords
rinse
cycle
rinsing
dishwasher
pumping
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
EP11176807A
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German (de)
English (en)
Other versions
EP2420175A3 (fr
EP2420175B1 (fr
Inventor
Helmut Jerg
Andreas Reiter
Michael Georg 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
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Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL11176807T priority Critical patent/PL2420175T3/pl
Publication of EP2420175A2 publication Critical patent/EP2420175A2/fr
Publication of EP2420175A3 publication Critical patent/EP2420175A3/fr
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    • 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
    • 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
    • A47L15/0005—Rinsing phases, e.g. pre-rinsing, intermediate rinsing, final rinsing
    • 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
    • A47L15/0007—Washing 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
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0013—Drying phases, including dripping-off 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
    • 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
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • 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
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A47L2301/04—Operation mode, e.g. delicate washing, economy washing, reduced time, sterilizing, water softener regenerating, odor eliminating or service
    • 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
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A47L2301/08—Other manual input
    • 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
    • A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
    • A47L2401/023—Quantity or concentration of the consumable product
    • 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
    • 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
    • A47L2501/06—Water heaters
    • 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
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • 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
    • A47L2501/12—Air blowers
    • 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
    • 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
    • A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions
    • 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
    • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply
    • 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
    • A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit

Definitions

  • the present invention relates to a dishwasher, in particular a domestic dishwasher, with a control device, in which at least one washing program for execution, in particular control and / or regulation of a multiple rinses comprehensive rinse for cleaning and / or drying of items is deposited, and with an operating device for inputting operating commands for the control device.
  • dishwashers are designed for automatically cleaning dishes with dishwashing liquid. There are many, partly conflicting requirements for a dishwasher by the users of dishwashers. These include, for example, a high cleaning effect, a high drying effect, low water and energy consumption, a short duration of a rinse cycle, but also the avoidance of stains on the cleaned items to be washed.
  • the object of the present invention is to provide a dishwasher, in particular a domestic dishwasher, which better fulfills the requirements of the user.
  • the object is achieved in a dishwasher of the type mentioned above in that at least one operating command for performing one or more adjustment measures on at least one of the washing programs can be entered by means of which or the avoidance of stains on the items to be washed and / or the drying result on Washware is improved in performing the wash cycle based on the adjusted wash program.
  • the dishwasher according to the invention preferably has a control device for automatic execution, in particular control and / or regulation, of operating sequences of the dishwasher.
  • the control device can be designed as so-called sequence control, in particular as electronic sequence control. It may advantageously be additional or independent to control, of course, also be designed for the control and / or other control or influence of operations of the dishwasher.
  • the control device can thus form a control device with which operating sequences, in particular flushing programs, can be monitored and / or influenced.
  • At least one rinse program for performing or controlling a rinsing process also called rinse cycle, for rinsing items to be washed, in particular for rinsing dishes, deposited.
  • several wash programs are provided, one of which can be selected and started by the operator. This makes it possible to adjust the course of a rinse cycle, in particular to the load, to the type of load and / or the degree of contamination of the items to be washed.
  • an energy-saving rinse program can be provided, which is optimized, for example, by accepting a lower cleaning and / or drying effect to a low energy and / or water consumption.
  • an intensive rinsing program may additionally be provided, which, taking into account a higher energy and / or water consumption, has a higher cleaning and / or drying effect than the normal program.
  • the respective stored washing program can preferably be designed so that each controlled by the wash program rinse several General Standerie, in particular at least one pre-rinse for pre-cleaning items, at least one temporally subsequent cleaning cycle for thorough cleaning of items, at least one temporally subsequent intermediate rinse to remove soiled Rinsing liquid from the items to be washed, at least one subsequent rinse to avoid stains on items to be washed and / or to prepare a temporally downstream drying step or drying cycle, and / or at least one final drying cycle for drying the items to be washed, in the order listed above.
  • Rinse cycle, cleaning cycle, intermediate rinse cycle and rinse cycle are referred to as water-conducting partial rinses, since during their implementation, the introduced into the rinsing chamber items is treated in each case with a rinsing liquid.
  • a rinsing liquid usually not provided.
  • the treatment of the items to be washed with rinsing liquid can take place in a substantially complete rinsing chamber, in particular a rinsing container, of the dishwasher.
  • the flushing chamber may be associated with an inlet valve, which allows to fill flushing liquid in the washing chamber.
  • the rinsing chamber may be associated with a circulation pump for circulating a rinsing liquid, which allows the rinsing liquid filled into the rinsing chamber z. B. to remove from a collection device for rinsing liquid and applied via a rinsing chamber associated spray system on the dishes.
  • a rinsing liquid is understood here to mean, in particular, a liquid which is intended to be applied to the ware in order to clean it and / or to treat it in another way.
  • the rinsing liquid can also be provided for heating the items to be washed, which is possible, for example, during a rinse step in order to prepare a subsequent drying cycle in which the drying is based at least in part on the fact that the rinse liquid adhering to the items evaporates due to the heat stored in the items to be washed, what is called self-drying.
  • the items to be washed can be dried during the drying cycle by means of a warm and dry air flow that is as hot as possible, which is produced, for example, with a sorption drying apparatus.
  • an operating device which is connected to the control device such that a user of the dishwasher can input operating commands to the control device.
  • an operating command is understood to be an information which acts on the function of the control device on a scheduled basis.
  • an operating command for manually selecting a washing program and an operating command for starting a selected washing program can be provided.
  • the improvement is achieved by at least one adjustment measure on at least one of the washing programs.
  • the at least one adaptation measure can be carried out manually via an operating command that can be input to the operating device for carrying out adaptation measures.
  • the user can decide on the basis of his individual requirements at each rinse even if he wants to achieve the special gloss effect on the cleaned items or not.
  • the user can therefore weigh in the dishwasher according to the invention at each rinse from his individual point of view, whether the advantage of the special gloss effect on items to be washed the possible disadvantages, such as an extension of the duration of the rinse cycle and / or an increase in water and / or energy consumption Rinse, outweighs.
  • an improved gloss effect can be achieved with the dishwasher according to the invention, which was and is not possible with conventional dishwashers.
  • the reason for this is that in a dishwasher in which measures to achieve a gloss effect by the manufacturer of the dishwasher already factory preset and contained in the operation of the dishwasher immutable in each washing program, the measures should be limited so that their disadvantages could then be accepted if a particular gloss effect is not desired by the consumer.
  • the dishwasher according to the invention such considerations do not matter, since the possible disadvantages of the adaptation measures do not occur when the user does not give or take back the operating command provided for their activation to carry out adaptation measures to achieve the desired particular gloss effect.
  • the improved gloss effect fulfills the requirements of the user even better.
  • the operating command for carrying out adaptation measures for improving the avoidance of stains on the cleaned items to be washed and / or the result of drying on items to be washed may act on one or more of the intended wash programs. In this case, different adjustment programs can be effected with different flushing programs by the operating command. It is also possible to provide several operating commands for carrying out adaptation measures for improving the avoidance of stains on the cleaned items to be washed and / or the result of drying on items to be washed, which trigger different adjustment measures in the same wash program, so as to match the intensity of the gloss effect even more precisely to the needs of the user to be able to adapt.
  • the operating command for carrying out adaptation measures can be input via a control element provided exclusively for this purpose.
  • the control element can be, for example, a separate button, which is arranged on a control panel of the dishwasher.
  • Conceivable are multifunction buttons, knobs, touch screens, alphanumeric input units and the like.
  • one of the adaptation measures during the rinse cycle carries out at least one additional partial rinse cycle provided as an intermediate rinse cycle, ie at least two intermediate rinses are carried out for the selectively selected rinse cycle "Glanztrocknen".
  • This causes a better rinsing of dirt and / or detergents on the items to be washed, which counteracts the staining on cleaned items to be washed and thus leads to a higher gloss on items to be washed.
  • one of the adaptation measures causes an increase in a quantity of rinsing liquid used in a partial rinse cycle intended for rinsing, wherein the increase is at least 20%, preferably at least 30%, particularly preferably at least 40%, of the regular or original amount of the respective Rinsing liquid is that is provided in a rinse without Glanztrocknen for its rinse cycle.
  • the increase in the amount of rinsing liquid used in the rinse cycle leads to an additional dilution of dirt and / or detergent residues contained in the rinsing liquid, which counteracts the staining on cleaned items and thus leads to a higher gloss on items to be washed.
  • the stated minimum values for increasing the amount already result in a significant improvement in the gloss of the items to be washed.
  • one of the adaptation measures in at least one partial rinse cycle provided as an intermediate rinse operation results in the addition of rinse aid to a rinsing liquid used there.
  • the surface tension of the rinsing liquid is reduced, so that at the end of the intermediate rinsing a larger proportion of the rinsing material mixed with dirt and / or detergent residues runs off and / or drips off, so that a larger proportion and the dirt and / or detergent residues contained therein can be pumped, which counteracts the staining on cleaned items to be washed and thus leads to a higher gloss on the items to be washed.
  • one of the adaptation measures causes an extension of a heating phase, wherein the extension is at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original or regular duration of the heating phase, which in a rinse without "Glanztrocknen "is provided, and / or carrying out at least one additional heating phase during a partial rinse cycle provided as a rinse before the addition of rinse aid to a rinsing liquid used there.
  • Some rinse aids tend in a relatively cold wash liquor, for example, less than 35 ° C to a strong foaming.
  • the temperature of the rinsing liquid, which is critical in terms of foaming, in the rinse cycle can be clearly undershot.
  • the rinsing liquid of the rinse cycle can evenly moisten the items to be washed, which counteracts staining on the items to be cleaned and thus leads to a higher gloss on the items to be washed.
  • one of the adaptation measures causes an extension of a duration of a partial drying cycle intended as a drying cycle, the extension being at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original or regular duration of the drying cycle a rinse program without Glanztrocknen is provided.
  • a duration of the drying cycle By extending a duration of the drying cycle, an improvement of the drying effect is achieved, so in particular also hollow vessels, such as drinking glasses, can be dried better and so the gloss effect emerges better.
  • the mentioned minimum values for the extension already result in a substantial improvement of the drying effect.
  • one of the adaptation measures effects a modification of at least one pumping sequence for pumping out a rinsing liquid of a partial rinsing cycle by means of a rinsing pump from the dishwasher, wherein in the modified pumping sequence a non-pumped residual amount of rinsing liquid is reduced.
  • the dirt content and / or the cleaning agent content of the last rinsing liquid used in a rinse can be reduced, which reduces staining on the cleaned items to be washed.
  • the cleaned ware thus receives, especially when it comes to cutlery or glassware, a special shine.
  • the Abpumpsequenz comprises at least one Abpumphase during which the drain pump is turned on or runs up in speed
  • the modified Abpumpsequenz includes at least one additional Abpumphase during which the drain pump is turned on or runs up in speed
  • the additional Abpumpphase by a break during which the drain pump is turned off or lowered in speed, separated from the previous pumping phase, ie is temporally spaced.
  • the drain pump is designed as a centrifugal pump, in particular as a radial pump, as a semi-radial pump or as an axial pump.
  • a centrifugal pump is a turbomachine in which the respective liquid is conveyed by using the centrifugal force by means of a rotating conveyor element.
  • the execution of the drain pump as a centrifugal pump leads, improved or different than, for example, in an embodiment as a piston pump, to ensure that the function of the drain pump is also ensured when the rinsing liquid to be pumped is heavily contaminated.
  • the amount of rinsing fluid in the dishwasher initially drops substantially linearly over time as the speed remains constant.
  • a certain residual amount of rinsing liquid such an amount of air enters the circulation pump, that the pressure for conveying rinsing liquid collapses and consequently no rinsing liquid is promoted more. In this way, remains in the continuous operation of the drain pump not pumpable residual amount of washing liquid in the dishwasher.
  • the respective modified Abpumpsequenz comprises a total of at least three Abpumpphasen.
  • the effect described can be used several times, so that the non-pumped residual amount of rinsing liquid can be greatly reduced.
  • These at least three pumping sequences of the respective pumping sequence, which follow one after the other at intervals, correspond to a "stuttering pumping out" of the drain pump.
  • the first of the Abpumpphasen is provided for pumping of at least 80%, preferably of at least 90%, more preferably of at least 95%, of the total amount of rinsing liquid to be pumped. This makes it possible to effectively reduce the residual amount of washing liquid remaining in the dishwasher by means of the subsequent pumping phases.
  • the first pumping phase of the pumping out phases is provided for pumping out an amount of flushing liquid which can be pumped off during continuous operation of the drain pump.
  • the subsequent pump-down phases it is possible by means of the subsequent pump-down phases to reduce the residual amount of washing liquid remaining in the dishwasher in a particularly effective manner.
  • a monitoring device for monitoring a rinsing fluid flow conveyed by the lye pump, whereby in the pumping sequence and / or the modified pumping sequence a termination of the first pumping down phase of the pumping down phases is provided, if by means of the monitoring device a falling below a minimum value for the rinsing fluid flow is recognized. If a minimum value for the amount of flushing liquid pumped out per unit of time is reached, that is to say for the conveyed flushing liquid flow, this indicates that the amount of flushing liquid that can be pumped off during continuous operation of the drain pump is essentially pumped out.
  • the termination of the first pump-down phase is initiated on the basis of this criterion, then it can be ensured that the amount of flushing liquid that can be pumped off in the first pumping step is at least substantially reached, and that, on the other hand, an unnecessary duration of the first pumping-off phase is avoided.
  • the drain pump has an electric motor, wherein the monitoring unit is designed to monitor at least one electrical operating parameter of the electric motor.
  • the monitoring unit is designed to monitor at least one electrical operating parameter of the electric motor. This is based on the finding that electrical operating parameters of electric motors of lye pumps change in a characteristic manner depending on the conveyed rinsing liquid flow. This applies, for example, in a running with a fixed voltage drain pump for their power or power consumption.
  • the power consumption of an air-sucking lye pump is generally well below the power consumption of a solely rinsing liquid-sucking lye pump.
  • Such a monitoring unit is simple in this case. This is especially true in comparison to Monitoring devices, which have a special flow meter, such as an impeller.
  • a termination of the pumping down phase of the pumping down phases is provided if the monitoring device has not detected a fall below the minimum value for the flushing liquid flow after a predetermined period of time. In this way it can be prevented that in the case of a malfunction of the monitoring device, the first Abpumpphase is continued indefinitely.
  • a termination of at least one of the pumping phases following the first pumping phase and / or at least one of the pauses is timed.
  • At least one of the pauses has a duration of at least 1 second, preferably at least 2 seconds, more preferably at least 4 seconds, and / or at most 24 seconds, preferably from at most 12 seconds, more preferably at most 6 seconds.
  • the specified minimum values for the duration of the pauses are normally sufficient for the rinsing fluid stirred up in the preceding pumping phase to reach a rest position during the respective pause during which at least a short-term pressure build-up is possible due to the start-up of the lye pump.
  • the specified maximums will further ensure that the entire pumping sequence does not take longer than necessary.
  • At least one of the pumping phases following the first pumping phase has a duration of at least 1 second, preferably of at least 2 seconds, particularly preferably of at least 4 seconds. and / or not more than 32 seconds, preferably not more than 16 seconds, particularly preferably not more than 8 seconds.
  • the amount of flushing fluid which can additionally be pumped off at the start of the drain pump can generally be achieved in each of the subsequent pumping phases. The specified maximums will further ensure that the entire pumping sequence does not take longer than necessary.
  • the modification takes place in a Abpumpsequenz at the end of a planned as intermediate rinse section istgangs.
  • a reduction in the non-pumped amount of rinsing liquid leads to a reduction of carryover of detergent and / or dirt in the last rinse a rinse, which is usually the rinsing liquid formed as a rinse cycle section istgangs.
  • the gloss effect on rinsed dishes can be increased particularly effective.
  • the modification is carried out in a Abpumpsequenz at the end of a partial cycle provided as a cleaning cycle.
  • a carry-over of cleaning agent and / or dirt in an intermediate rinse cycle can generally already be prevented, so that the rinse liquid contains less cleaning agent and / or dirt in this intermediate rinse cycle.
  • further carryover of cleaning agent and / or dirt into the last rinsing liquid of a rinse cycle can be further minimized and the luster effect on the rinsed items to be rinsed can be increased.
  • the modification is not provided in a Abpumpsequenz at the end of a pre-rinse cycle Cl istgangs provided.
  • a larger amount of dirt generally adheres to the items to be washed. Since this is usually replaced in the subsequent cleaning cycle, a possible carryover of dirt by not pumped flushing liquid from the pre-wash in the cleaning process is not significant. Therefore, at the end of a pre-wash cycle without disadvantage to dispense with a modification of the Abpumpsequenz, which accelerates the execution of the rinse cycle.
  • the modification is not provided in a Abpumpsequenz at the end of a planned as a rinse cycle Cl istgangs.
  • the rinse liquid used is substantially free of detergent and / or dirt. Therefore, a carryover of detergent and / or dirt in a later rinse at best to a small extent possible and not disturbing. Therefore, at the end of a rinse cycle without any disadvantage to a modification of Abpumpsequenz be waived, which further accelerates the execution of the rinse.
  • the drain pump comprises a brushless electric motor, preferably a brushless permanent magnet motor.
  • the brushless electric motor can be called in particular as a brushless DC motor, also called a BLDC motor, as a brushless AC motor, also called a BLAC motor, or as a synchronous motor.
  • the rotor of the motor can have at least one permanent magnet, whereas the stator has a plurality of electromagnets.
  • the electromagnets are commutated via a control electronics.
  • a defined starting of the engine from standstill can be achieved, so that the pumpable amount of flushing liquid which can be pumped into the pumping phases following the first pumping phase can be maximized.
  • a circulating pump for loading items to be washed with rinsing liquid is switched off during the entire duration of the pumping sequence and / or the modified pumping sequence. This prevents that rinsing liquid is distributed during the Abpumpsequenz and / or the modified Abpumpsequenz by the circulating pump in the dishwasher, so that it can not be pumped by means of the drain pump.
  • one of the adaptation measures in at least one partial rinse cycle provided as an intermediate rinse cycle results in an extension of a time span between a circulation sequence for Circulating the rinsing liquid and a pumping sequence for pumping out the rinsing liquid.
  • a larger part of the rinse liquid adhering to the items to be washed can drain off and / or run off, so that a larger part of the rinse liquid and the dirt and / or detergent residues contained therein can be pumped off, which counteracts the staining on the cleaned items to be washed and so on higher gloss on the dishes leads.
  • At least one adaptation measure provided when the operating command is input for carrying out adaptation measures is omitted if a metering device for adding rinse aid to the rinsing liquid is deactivated or if a level of rinse aid in the dosing device falls below a minimum level.
  • a metering device for adding rinse aid to the rinsing liquid is deactivated or if a level of rinse aid in the dosing device falls below a minimum level.
  • the rinse aid contained therein dissolves substantially in the rinsing liquid of the cleaning cycle.
  • a small portion of the dissolved rinse aid then passes through carryover, for example on the non-pumpable amount of rinsing liquid from General Cyprusgang to Partssengang to the rinse cycle to unfold there its surface tension-reducing effect.
  • one or more of the intended adaptation measures can be dispensed with in order to minimize the deterioration of the gloss effect occurring by dispensing with separate rinse aid in the case of the adapted wash program.
  • an addition of rinse aid to a rinse liquid used in the intermediate rinse to a modification of at least one pumpdown sequence for pumping out a rinse liquid of a partial rinse cycle, to an increase in an amount of rinse liquid used in the rinse cycle, to an additional intermediate rinse cycle and / or an extension of a period of time in an intermediate rinse between a Umicalzsequenz be dispensed for circulating the rinsing liquid and a Abpumpsequenz to pump out the rinsing liquid.
  • the invention also relates to a method for operating a dishwasher, in particular domestic dishwasher, with a control device, in which at least one washing program for controlling a washing cycle comprising several partial rinses for cleaning and / or drying of items to be stored, and with an operating device for inputting operating commands for the control device, which is characterized in that one or more adaptation measures are carried out on at least one of the wash programs in such a way that the avoidance of stains on the items to be washed and / or the drying result on the items to be washed is improved during the execution of the wash cycle on the basis of the adjusted wash program, if an operating command intended for carrying out adaptation measures is entered at the operating device.
  • the inventive method allows a flexible use of the dishwasher and a reduction of staining on cleaned dishes.
  • FIG. 1 shows an advantageous embodiment of a household dishwasher according to the invention 1 in a schematic side view.
  • the dishwasher 1 has a control device 2, in which at least one wash program for controlling a wash cycle for washing dishes, in particular dishes, is deposited.
  • a plurality of washing programs are stored, so that by selecting a suitable washing program, the sequence of a controlled by the control unit 2 rinse, for example, to the load, to the type of load and / or to the degree of contamination of the dishes can be adjusted.
  • the control device 2 is associated with an operating device 3 which is connected to the control device 2 such that a user of the dishwasher 1 can input operating commands to the control device 2.
  • an operating command is understood to be an information which acts on the function of the control device on a scheduled basis.
  • an operating command for manually selecting a washing program and an operating command for starting a selected washing program can be provided.
  • the improvement is achieved by at least one adjustment measure on at least one of the washing programs.
  • the at least one adaptation measure can be carried out manually by means of an operating command which can be entered on the operating device 3 for carrying out adaptation measures.
  • the operating device 3 can be configured such that the operating command can be entered for carrying out adaptation measures via a control element provided exclusively for this purpose. As a result, the ease of use is increased, which further meets the requirements of the user. In addition, operating errors can thus be avoided.
  • the operating element can be, for example, a separate button which is arranged on a control panel of the dishwasher 1. However, it is basically also possible to provide operating elements for inputting the operating command for carrying out adaptation measures which are already provided for other operating commands. Conceivable are multifunction buttons, knobs, touch screens, alphanumeric input units and the like.
  • control device 2 is associated with an output device 4, which allows the output of messages to the operator.
  • the output device 4 may comprise, in particular optical messages, display lamps, light-emitting diodes, an alphanumeric display and / or a graphic display for outputting. Additionally or independently thereof, the output device 4 may further include a buzzer, a speaker and / or the like for outputting audible messages.
  • the dishwasher 1 further comprises a rinsing container 5, which can be closed by a door 6, so that a closed rinsing chamber 7 for rinsing Wash ware arises.
  • the rinsing container 5 can be arranged inside a housing 8 of the dishwasher 1.
  • the housing 8 is not required and may be partially omitted at the top.
  • FIG. 1 the door 6 is shown in its closed position. The door 6 can be brought into an open position by pivoting about an axis arranged perpendicular to the plane of the drawing, in which it is aligned substantially horizontally and allows the introduction or removal of items to be washed. Im in FIG.
  • the operating device 3 is arranged in an easy to use manner on an upper portion of the door 6.
  • the output device 4 is also arranged on the upper portion of the door 6, so that optical messages are clearly visible and / or audible messages are clearly audible.
  • the control device 2 is also positioned there, so that the required signal connections between the operating device 3, the output device 4 and the control device 2 can be kept short. In principle, however, it is possible to arrange the operating device 3, the output device 4 and / or the control device 2 elsewhere.
  • the control device may optionally also be accommodated in a base module or in a base carrier component below the washing compartment.
  • the control device 2 could also be designed decentralized, which is understood to include spatially separated components, which are connected via communication means such that they can cooperate.
  • the dishwasher 1 has for positioning dishes such. Dishes on an upper dish rack 9 and a lower dish rack 10.
  • the upper dish rack 9 is arranged on extension rails 11, which are each attached to opposite, extending in the depth direction of the washing compartment side walls of the washing compartment 5. When the door 6 is open, the dish rack 9 can be moved out of the washing container 5 by means of the extension rails 11, which facilitates the loading and unloading of the upper dish rack 9.
  • the lower dish rack 10 is arranged on extension rails 12 in an analogous manner.
  • the one or more stored in the control device 2 washing programs can each provide several Opera Standerie, for example, in this temporal sequence at least one pre-wash, at least one cleaning cycle, at least one intermediate rinse, at least one rinse and / or at least one Drying cycle.
  • pre-wash cycle, cleaning cycle, intermediate rinse cycle and rinse cycle are referred to as water-carrying partial rinses, since during their implementation, the items to be washed positioned in the rinsing chamber 7 are treated with a rinsing liquid S.
  • a treatment of the items to be washed with rinsing liquid S is generally not provided.
  • fresh water or feed water ZW which can be taken up by an external water supply device WH, in particular a drinking water supply network, and filled into the rinsing chamber 7, is used as rinsing liquid S for the treatment of the items to be washed.
  • a rinsing liquid S formed from fresh feed water ZW is introduced at the beginning of each water-carrying partial rinse cycle, which is then discharged to the end of the respective rinse cycle to an external sanitation AR as wastewater AW.
  • a rinsing liquid S a Clausillongangs e.g. Store in at least one reservoir, not shown, and refill in a later partial rinse cycle in the rinsing chamber 7.
  • the dishwasher 1 the FIG. 1 comprises a water inlet device 13, which is provided for connection to the external water supply device WH.
  • the external water supply device WH may be a water tap WH of a building-side water installation that provides pressurized inlet water ZW.
  • the water inlet device 13 comprises a connection piece 14, which is provided for connection to the water tap WH.
  • the connection can be made for example via a threaded arrangement, a bayonet arrangement or the like.
  • a connection hose 15 is provided, which is preferably designed to be flexible.
  • the downstream end of the connection tube 15 is connected to a housing-fixed connection piece 16.
  • a supply line 17 Downstream of the housing-fixed connecting piece 16, a supply line 17 is provided, which is connected to an input side of a switchable by means of the control device 2 inlet valve 18. An output side of the inlet valve 18 in turn is connected to a liquid inlet 19 of the rinsing chamber 7. In this way, it is possible by means of the water inlet device 13 inlet water ZW as flushing fluid S in the interior of the washing chamber 7 of the dishwasher 1 to pass.
  • the inlet valve 18 may be formed as a switchable solenoid valve, which has only an open position and a closed position.
  • a water treatment system not shown, for example, a water softening system may be provided in the supply line 17, a water treatment system, not shown, for example, a water softening system may be provided.
  • an external inlet valve in particular a so-called aqua-stop valve, which is preferably switchable by means of the control device, in particular lockable and open.
  • the rinsing liquid S introduced into the rinsing chamber 7 via a liquid inlet 19 passes into a collecting device 21 which is formed on a base 20 of the rinsing container 5 and which can preferably be designed as a collection pot 21.
  • a circulating pump 22 is connected with its inlet 23 fluid-conducting with the collecting pot 21.
  • an output side of the circulation pump 22 via a preferably electric heater 24 for heating rinsing liquid S with a spray device 25, 26 is connected, which makes it possible to apply the introduced into the rinsing chamber 7 items with optionally heated rinsing liquid S.
  • the spraying device 25, 26 comprises an upper rotatable spray arm 25 and a lower rotatable spray arm 26.
  • alternatively or additionally fixed spray elements or other spraying devices could be provided.
  • the flushing liquid S emerging from the spraying device 25, 26 when the circulating pump 22 is switched on is returned to the collecting pot 21 due to its weight within the flushing chamber 21.
  • the circulation pump 22 is intended to be operated in a concentricity.
  • the circulating pump 22 is then in the concentricity when its inlet 23 is completely filled with flushing liquid S in cross section, so that exclusively flushing liquid S, or in other words, no air enters the interior of the circulation pump 22.
  • a concentricity monitoring unit 27 In order to determine whether or not the circulation pump 22 is in concentricity, it is assigned a concentricity monitoring unit 27. This can be provided as a separate component or possibly also be part of the control device 2. If, during the circulation of rinsing liquid by means of the concentricity monitoring unit 27, a non-circular run of the circulating pump 22 is detected, then additional rinsing liquid S can be introduced into the collecting device 21 by opening the inlet valve 18, so that the level of rinsing liquid S in the collecting device 21 increases the circulation pump 22 thereby passes into the concentricity.
  • the dishwasher 1 in a conventional manner to a metering device 28, which makes it possible to put the introduced into the washing chamber 7 rinsing liquid S with cleaning agents in powder or liquid form to improve the cleaning effect of a rinse cycle.
  • a further metering device 29 also makes it possible to provide the rinsing liquid S with, in particular, liquid rinse aid, in order in particular to avoid staining on the cleaned items to be washed and to increase a drying effect of a rinse cycle.
  • the drainage device 30 comprises a drain pump 31 whose inlet 32 is connected to the collection pot 21.
  • the outlet side of the drain pump 31, however, is connected via a non-return valve 33 to a connecting line 34, the downstream end of which is connected to a housing-fixed connection 35 of the dishwasher 1.
  • Attached to an outlet of the housing-fixed connection 35 is a wastewater hose 36, which is designed to be particularly flexible.
  • a fitting 37 is arranged, which is intended to connect the drainage device 30 with a sanitation AR.
  • the sanitation device AR can be a sewer pipe AR of a building-side water installation.
  • the connection between the connecting piece 36 and the sewage pipe AR can be designed as a screw connection, as a bayonet connection, as a plug connection or the like.
  • rinsing liquid S in particular polluted rinsing liquid S
  • the non-return valve 33 which may be formed as a check valve 33, for example, already from Collecting device 21 pumped out flushing liquid S and / or from the sanitation AR originating liquid passes through their weight and / or by pressure fluctuations in the sanitation AR into the collection device 21.
  • the drain pump 31 is preferably a monitoring device 38 for monitoring a per unit time promoted amount of flushing fluid S, ie for monitoring the funded Spülillonkeitsstroms assigned.
  • the monitoring device 38 makes it possible to detect, for example, when the level of flushing liquid S in the collecting device 21 has dropped so far during the pumping of rinsing liquid S from the collecting device 21 that no rinsing liquid S is conveyed any longer.
  • the drain pump 31 has an electric motor, wherein the monitoring unit 38 is designed to monitor at least one electrical operating parameter of the electric motor. This is based on the finding that electrical operating parameters of electric motors of liquor pumps 31 change in a characteristic manner depending on the conveyed rinsing fluid flow. This applies, for example, in a running with a fixed voltage drain pump for their power or power consumption. Thus, for a given speed, the power consumption of an air-sucking lye pump is generally well below the power consumption of a solely rinsing liquid-sucking lye pump 31.
  • Such a monitoring unit 38 is of simple construction. This is especially true in comparison to monitoring devices which have a special flow meter, such as an impeller counter.
  • the electric motor of the drain pump 31 may in particular be a brushless electric motor, preferably a brushless permanent magnet motor.
  • the brushless electric motor can be used in particular as a brushless DC motor, also called BLDC motor, as a brushless AC motor, also known as BLAC motor, or designed as a synchronous motor.
  • the rotor of the motor can have at least one permanent magnet, whereas the stator has a plurality of electromagnets.
  • the electromagnets are commutated via a control electronics. In comparison to other possible engine concepts, a defined start-up of the engine can be achieved from a standstill so that the pumpable amount of flushing liquid which can be pumped into the pumping phases following the first pumping phase can be maximized.
  • the dishwasher 1 comprises the FIG. 1 one in FIG. 1 only schematically illustrated sorption drying device 39, which makes it possible to guide air in a circuit via a sorption column, not shown, via an opening 40 in the rinsing chamber 7 and remove via a further opening 41 from the rinsing chamber 7 to re-them on the sorbent respectively.
  • moisture in the air settles on the sorption column, so that the air is dehumidified.
  • the air is also heated, so that the introduced into the rinsing chamber 7 air is dry and warm.
  • the sorption drying device 39 is in particular provided to dry the items to be washed in a drying sequence by means of the dried and heated air during a drying cycle of a rinse cycle.
  • the sorption column is provided with a heater, not shown, by means of which the sorption column is heated during a regeneration sequence in such a way that the moisture separates again from the sorption column.
  • the regeneration sequence can be carried out, in particular during a cleaning cycle of a rinse cycle, in which case the waste heat of the regeneration sequence for heating a rinsing liquid of the cleaning cycle can be used, which reduces the energy requirement of the circulating pump 22 associated heater 24.
  • FIG. 2 shows a block diagram of the household dishwasher 1 of FIG. 1 , where in particular their control and communication concept is shown there.
  • a signal line 42 is provided, which connects the operating device 3 to the control device 2 such that operating commands of an operator can be transmitted from the operating device 3 to the control device 2 are.
  • a signal line 43 is provided, which connects the control device 2 to the output device 4, so that information provided by the control device 2 can be transmitted to the output device 4 and output there to the operator.
  • a control line 44 is provided, which connects the control device 2 with the switchable inlet valve 18 such that the inlet valve 18 can be closed or opened by the control device 2. In this way, the filling of rinsing liquid S in the rinsing chamber 7 can be controlled by the control device 2.
  • a further control line 45 connects the control device 2 with the circulation pump 22. As a result, the circulation of rinsing liquid S in the rinsing chamber 7 by the control device 2 is adjustable, in particular controllable or adjustable.
  • a signal line 46 is provided, which connects the concentricity monitoring unit 27 with the control device 2.
  • the signal line 46 makes it possible to transmit information generated by the concentricity monitoring unit 27 with respect to the running properties of the circulation pump 22 to the control device 2.
  • the control device 2 is designed so that it can take into account this information from the concentricity monitoring unit 27 in the circuit, in particular in the control of the closing and / or opening times, possibly also control or regulation of the inlet valve 18.
  • the concentricity monitoring device can in particular also be designed as a functional component of the control device.
  • a control line 47 is provided, which connects the control device 2 with the drain pump 31, so that the drain pump 31 by the control device 2 switchable, in particular off and on, optionally also controllable or adjustable.
  • a further signal line 48 connects the monitoring device 38 associated with the drain pump 31 with the control device 2 in such a way that information generated by the monitoring device 38 can be taken into account by the control device 2 during the execution of rinse cycles.
  • another control line 49 connects the control device 2 to the heating device 24 assigned to the circulation pump 22 such that the heater 24 in the course of a rinse by the controller 2 can be used as needed.
  • control device 2 Via a further control line 50, which connects the control device 2 and the sorption drying device 39, it is also possible for the control device 2 to control and / or regulate the operation of the sorption drying device 39.
  • the addition of cleaning agent to a rinsing liquid can also be influenced by the control device 2 via a further control line 51 which connects the control device 2 and the dosing device 28.
  • the addition of cleaning agent to a rinsing liquid can be influenced by the control device 2 via a further control line 52 which connects the control device 2 and the dosing device 29.
  • FIG. 3 shows an example based on one of the washing programs of the dishwasher 1 according to the invention rinse SG.
  • FIG. 3 shows FIG. 3 an adapted or modified rinse SG ', which is carried out on the basis of the manually adjusted by a control command washing program and which a special gloss effect on cleaned and dried items in particular by a lower carryover of dirt and / or detergent in the last rinse used in the rinse cycle - Bath S causes.
  • this is the amount of bath in the rinse cycle of the rinse cycle.
  • the usual or regular rinse SG includes several General Hughes réelle, namely in the following order: a pre-wash VG for pre-cleaning items, a cleaning RG for thorough cleaning of items, an intermediate rinse ZG for removing soiled washing liquid S from the dishes, a rinse cycle KG to avoid stains on the items to be washed and a drying cycle TG for drying the items to be washed.
  • a pre-wash VG for pre-cleaning items
  • a cleaning RG for thorough cleaning of items
  • an intermediate rinse ZG for removing soiled washing liquid S from the dishes
  • a rinse cycle KG to avoid stains on the items to be washed
  • a drying cycle TG for drying the items to be washed.
  • additional partial rinses for example a second intermediate rinse cycle, could be provided.
  • a filling sequence F 1 for filling the rinsing chamber 7 with rinsing liquid S is carried out. This is in the embodiment the filling valve 18 is opened temporarily.
  • a Umicalzsequenz U 1 is carried out, in which the items to be washed with circulated flushing liquid S is applied.
  • the circulating pump 31 is switched on at least temporarily during the circulation sequence U 1 .
  • the subsequent, only intermediate rinsing ZG comprises a further filling sequence F 3 for filling the rinsing chamber 7 with rinsing liquid S and a further Umicalzsequenz U 3 , which essentially serves the rinsing of residues of the rinsing liquid S of the cleaning cycle RG of Spülgut.
  • an exhausting sequence A 3 is now carried out.
  • rinsing liquid S filled by means of a further filling sequence F 3 is circulated in a Umicalzsequenz U 4 .
  • the addition ZK of rinse aid for example via the metering device 29, is provided in order to reduce the surface tension of the rinsing liquid S.
  • the rinsing liquid of the rinse cycle KG can be carried out by means of a further pumping sequence A 4 .
  • the items to be washed are dried in the exemplary embodiment by means of dry-warm air of the sorption drying apparatus 39 during a drying sequence T 5 .
  • the rinsing liquid S used there could be heated by means of a heating phase not provided in the exemplary embodiment.
  • the interfering residues of dirt and cleaning agent can be particularly well removed in the first intermediate rinse ZG, since due to the almost complete pumping out of the rinsing liquid S of the cleaning RG in the intermediate rinse ZG a very clean rinsing liquid is available.
  • the rinsing liquid S of the first intermediate rinse cycle ZG also absorbs only a small amount of dirt and / or cleaning agent, so that the rinsing liquid S is substantially cleaner at the end of the intermediate rinse cycle ZG is, as would be the case if, at the end of the cleaning cycle RG an unmodified Abpumpsequenz would have been performed.
  • a further, ie here third, modified pumping sequence A ' z is carried out which corresponds to the pumping sequence A' 3 of the first intermediate wash cycle ZG, ie in analogue How this is done.
  • carry-over of dirt and / or cleaning agent into the rinse cycle KG following the two-rage intermediate rinse cycle is further reduced from the already relatively clean rinse liquid S of the additionally performed intermediate rinse cycle ZG z .
  • the pumping sequence A 1 is maintained at the end of the pre-wash cycle VG.
  • This can accelerate the execution of the wash cycle SG ', although an increased carryover of dirt into the subsequent cleaning cycle RG is possible by means of non-pumped wash liquid S.
  • this presents no major problems, since at the end of the pre-wash VG generally still a larger amount of dirt adheres to items to be washed, which is usually replaced in the subsequent cleaning cycle RG and the used there flushing fluid S, so that a possible carryover of dirt by Not pumped flushing liquid from the pre-wash VG in the cleaning cycle RG is not significant.
  • the rinsing liquid of the rinse cycle KG can be carried out without difficulty by means of an unmodified pumping sequence A 4 , since due to their low content of dirt and / or detergent a substantial carryover of dirt and / or detergent into a later rinse SG or a later adjusted rinse SG 'in general not possible.
  • the circulation pump 22 is preferably switched off in each case. This prevents that rinsing liquid S is distributed during the modified Abpumpsequenzen A ' 2 , A' 3 , and A z by the circulation pump 22 in the dishwasher 1, so that it can be better pumped by the drain pump 31.
  • another adaptation measure consists in that at least one additional intermediate wash cycle ZG z is carried out during the adjusted wash cycle SG '. This causes a better rinsing of dirt and / or detergents on the items to be washed, which counteracts the staining on cleaned items to be washed and thus leads to a higher gloss on items to be washed.
  • a further adaptation measure in the additional intermediate rinse ZG z causes an addition ZK z of rinse aid to a rinsing liquid used there S.
  • an addition of rinse aid could also be provided during the first intermediate rinse cycle ZG.
  • a further adaptation measure in the intermediate rinse cycle ZG causes an extension of a time Z 3 between a Umicalzsequenz U 3 for circulating the rinsing liquid and a Abpumpsequenz A ' 3 for pumping out the rinsing liquid and the additional intermediate rinse ZG z an extension of a period Z z between a Umicalzsequenz U z for circulating the rinsing liquid and an Abpumpsequenz A ' z for pumping out the rinsing liquid.
  • Another adaptation measure causes at least one additional heating phase H 4 to be carried out during the rinse cycle KG prior to the addition of rinse aid to a rinsing liquid S used there.
  • Some rinse aids tend to foam considerably in a relatively cold rinse liquor with, for example, less than 35 ° C.
  • the critical temperature of the washing liquid S in Klar Bristolgang KG can be significantly below.
  • an extension of an already provided heating phase could be provided, the extension of at least 10%, preferably at least 20%, more preferably at least 30%, of the original duration of the heating phase could amount to.
  • a further, in particular optionally additional, adaptation measure causes a prolongation of a duration of the drying cycle TG, the extension being at least 10%, preferably at least 20%, particularly preferably at least 30%, of the original or regular duration of the drying cycle TG (during the rinse without gloss drying). is.
  • the adjustment measures shown improve the gloss result in the wash cycle SG '.
  • the adaptation measures can in principle be provided individually or in any combination.
  • FIG. 4 shows a schematic representation of an Abpumpsequenz A of the dishwasher according to the invention the FIGS. 1 and 2 which the in FIG. 3 shown Abpumpsequenzen A 1 , A 2 , A 3 and A 4 for the rinse SG (without Glanztrocknen) corresponds.
  • the amount M of the amount of flushing liquid S still present in the flushing chamber 7 is shown in relation to the amount present at the beginning of the pumping sequence A over time.
  • This amount M can also be referred to as the relative amount M in percent%.
  • the operating state Z31 of the drain pump 31 is shown.
  • the operating state "1" means that the drain pump 31 is switched on
  • the operating state "0" means that the drain pump 31 is switched off.
  • the Abpumpsequenz A comprises a Abpumpphase AP 1 , during which the drain pump 31 is switched on continuously, ie continuously without interruption.
  • the drain pump 31 may in particular be designed as an electric centrifugal pump, for example as a radial pump, as a semi-radial pump or as an axial pump.
  • the execution of the drain pump 31 as a centrifugal pump leads, improved or different than, for example, in an embodiment as a piston pump, to that the function of the drain pump is also ensured when the rinsing liquid to be pumped is heavily contaminated.
  • the relative amount M of the rinsing fluid S in the dishwasher 1 initially drops substantially linearly with the rotational speed of the lye pump 31 remaining constant over time.
  • a certain residual amount RMD of rinsing liquid S at time T1 such an amount of air enters the circulation pump 31, that the pressure for conveying rinsing liquid S collapses and consequently no rinsing liquid S is more promoted.
  • This state can be determined by means of the monitoring device 38, for example, by monitoring an electrical parameter of the drain pump 31, wherein then the pumping AP 1 , can be stopped.
  • a termination of the first pump-down phase AP 1 takes place when, by means of the monitoring device 38, no drop below the minimum value for the flushing liquid flow is determined after a predetermined period of time. In this way it can be prevented that in the case of a malfunction of the monitoring device 38, the first Abpumpphase AP 1 , infinity is continued.
  • FIG. 5 shows, in particular for a selected by the user wash program "Glanztrocknen", a schematic representation of a modified Abpumpsequenz A 'of the dishwasher according to the invention the FIGS. 1 and 2 which the in FIG. 3 shown Abpumpsequenzen A ' 2 , A' 3 and A ' z corresponds.
  • the modified Abpumpsequenz A 'next to the Abpumpphase AP 1 the original Abpumpsequenz A two additional, temporally subsequent Abpumpphasen AP 2 and AP 3 , during which the drain pump 31 respectively through is turned on. Furthermore, pauses P 1 , and P 2 are provided, during which the circulation pump 31 is switched off continuously.
  • the first pump-out phase AP 1 by a pause or dead time P 1 of its adjacent, temporally downstream, ie here the second pumping AP 2 and this in turn is separated by a break P 2 of its adjacent, ie here subsequent third pumping AP 3 ,
  • the pauses P 1 and P 2 may have a duration of at least 1 second, preferably at least 2 seconds, more preferably at least 4 seconds, and / or at most 24 seconds, preferably at most 12 seconds, more preferably at most 6 seconds , exhibit.
  • the specified minimum values for the duration of breaks P 1 and P 2 are normally sufficient for that in the respective previous pumping phase AP 1 , or AP 2 whirled up flushing liquid S in the drain pump 31 during the respective break P 1 or P 2 enters a rest position, at least by the start of the drain pump 31 at least a nearbyzeitiger Pressure build-up is possible.
  • the specified maximums will further ensure that the entire pump-out sequence A does not take longer than necessary.
  • the pumping phases AP 2 and AP 3 following the first pumping phase AP 1 preferably have a duration of at least 1 second, preferably of at least 2 seconds, particularly preferably of at least 4 seconds, and / or of at most 32 seconds, preferably of at most 16 seconds , more preferably at most 8 seconds.
  • the maximum flushable amount of flushing liquid S at the start of the drain pump 31 can be achieved in each of the subsequent pumping phases AP 2 and AP 3 .
  • the specified maximums will further ensure that the entire modified pumping sequence A 'does not take longer than necessary.
  • the causes of staining of items such as e.g. Reduce or eliminate the carryover of cleaning agents and dirt into the rinse cycle and / or hardness agents (eg minerals, salts) in the water.
  • a speed change of the drain pump can be provided to the effect that their speed is increased during the respective pumping phase and contrast is lowered during the respective subsequent break.
  • the changing speeds are expediently chosen so that the behavior of the drain pump at low speed essentially corresponds to their off state and, in contrast, higher speed essentially their switch-on state. This is assigned a predetermined Abpumpjpgiere.
  • the drain pump per modified pumping sequence at least 3 more times with each pause from each pumping off after the first pumping out. It follows with the respective Abpumpsequenz A '(see FIG. 5 ) after the third pumping out phase AP3, after waiting for a pause or Abpumpunterbrechung a fourth Abpumpphase AP4, while again running the drain pump for pumping.
  • This fourth pumping phase AP4 is in the FIG. 5 have been omitted for the sake of clarity of drawing.
  • a dishwasher which has a sorption drying system, preferably a so-called zeolite system.
  • This is characterized in particular by a very energy-efficient and above all very effective drying process.
  • This sorption drying system may optionally be used in combination with a conventional condensation drying system in which the amount of liquid brought by means of a heater, in particular a liquid heater such as a water heater and / or an air heater, in the rinse cycle to correspondingly high temperatures and sprayed the washware and thus heated becomes.
  • the ware heated in this way in particular only by means of sorption drying device, then dries due to its intrinsic heat and by condensation of the air humidity in the washing container to the washing container walls which are cooler than the heated ware.
  • the program "Glanztrocknen” course also be implemented in a dishwasher, which is equipped only with a conventional drying device, in particular condensation drying device. Even then a sufficient gloss drying of the dishes is still achievable.
  • rinse aid i.e., the addition of rinse aid via the dishwashing machine addition system
  • gloss-drying the separate use of rinse aid
  • the bath quantities in this additional intermediate rinsing and in the subsequent rinsing are reduced to respectively 2.5 L compared to the rinsing bath amounts during the second intermediate rinsing and rinsing of the gloss drying program, in order to achieve carry-over of surfactants from the multifunctional rod into the final rinse.
  • the pumping is done again in "conventional" mode.
  • the additional rinse-aid metering in the last, in particular second intermediate rinsing can optionally be dispensed with. Possibly. can be heated in the rinse, in particular to higher temperatures to bring more rinse aid from the tab into the rinse and to improve the drying.
  • the extended drying time can be maintained.

Landscapes

  • Washing And Drying Of Tableware (AREA)
EP11176807.3A 2010-08-20 2011-08-08 Lave-vaisselle doté d'un programme de rinçage adaptable manuellement Active EP2420175B1 (fr)

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PL11176807T PL2420175T3 (pl) 2010-08-20 2011-08-08 Zmywarka do naczyń z ręcznie dostosowywanym programem zmywania

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DE102010039611A DE102010039611A1 (de) 2010-08-20 2010-08-20 Geschirrspülmaschine mit einem manuell anpassbaren Spülprogramm

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EP2420175B1 EP2420175B1 (fr) 2020-10-07

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DE102010039611A1 (de) 2012-02-23
PL2420175T3 (pl) 2021-03-08
US9204778B2 (en) 2015-12-08
EP2420175A3 (fr) 2017-12-27
EP2420175B1 (fr) 2020-10-07
US20120042908A1 (en) 2012-02-23

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