EP1362547B2 - Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen - Google Patents

Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen Download PDF

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Publication number
EP1362547B2
EP1362547B2 EP03008621A EP03008621A EP1362547B2 EP 1362547 B2 EP1362547 B2 EP 1362547B2 EP 03008621 A EP03008621 A EP 03008621A EP 03008621 A EP03008621 A EP 03008621A EP 1362547 B2 EP1362547 B2 EP 1362547B2
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EP
European Patent Office
Prior art keywords
rinse
programme
washing liquid
cleaning
substance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP03008621A
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German (de)
English (en)
French (fr)
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EP1362547B1 (de
EP1362547A3 (de
EP1362547A2 (de
Inventor
Winfried Steiner
Karlheinz Kohles
Rolf Stahlmann
Stefan Füglein
Klaus-Martin Forst
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Electrolux Home Products Corp NV
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Electrolux Home Products Corp NV
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Priority claimed from DE10257826A external-priority patent/DE10257826A1/de
Priority to EP09011293A priority Critical patent/EP2127585B1/de
Priority to EP10012679A priority patent/EP2281498A2/de
Priority to EP04027571A priority patent/EP1516576B1/de
Priority to EP10012682A priority patent/EP2283761A2/de
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP04027569A priority patent/EP1518489B1/de
Publication of EP1362547A2 publication Critical patent/EP1362547A2/de
Publication of EP1362547A3 publication Critical patent/EP1362547A3/de
Publication of EP1362547B1 publication Critical patent/EP1362547B1/de
Publication of EP1362547B2 publication Critical patent/EP1362547B2/de
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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
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—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
    • A47L15/0018—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
    • A47L2301/02—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
    • A47L2301/026—Nature or type of the consumable product, e.g. information on detergent, e.g. 3-in-1 tablets, rinsing aid 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
    • 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
    • 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
    • A47L2401/026—Nature or type of the consumable product, e.g. information on detergent, e.g. 3-in-1 tablets, rinsing aid 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
    • 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
    • A47L2401/10—Water cloudiness or dirtiness, e.g. turbidity, foaming or level of bacteria
    • 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
    • A47L2401/11—Water hardness, acidity or basicity
    • 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
    • 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
    • A47L2401/32—Vibration or sound detection
    • 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
    • A47L2401/34—Other automatic detections
    • 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
    • A47L2501/26—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
    • A47L2501/34—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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump

Definitions

  • the invention relates to a method for operating a dishwasher according to the subject matter of claim 1.
  • 3in1 combination preparations have been available for use in dishwashing machines, which together contain a cleaning substance, a softening substance and a rinse aid substance and are fed to the washing machine at the same time at a certain point in time are available in compressed tablet form so-called “3in1” tabs as well as “3in1” powders
  • the 3in1 combination preparations can be placed in designated dispensers of the dishwasher, in which case they will be at a certain point in time by the washing program of the dishwasher On the other hand, they can also be placed by the user of the dishwasher in the dishwasher, for example in the cutlery basket, before switching on the washing program
  • the user of a dishwasher is now generally meh r as a selectable wash program for cleaning the soiled items set in the dishwasher.
  • the rinse aid first in a high concentration, that is added overdosed and it is assumed that due to carryover in Spülwasserresten and adhesions of the rinse aid washed dishes, Spül understandinger regardingn and the ceiling of the rinse tank and in the supply lines, the concentration in the rinse cycle still sufficient to achieve a particularly good drying result.
  • Another embodiment of the 3-in-1 combination preparation provides that initially only the detergent and the softener dissolve and the rinse aid, which is encapsulated in the 3-in-1 combination preparation, z. B. present in the form of a wax-coated bead, dissolves only temperature and / or pH-dependent during rinsing.
  • the rinse aid of the second type is already dissolved.
  • the rinse aid of the former type has the particular disadvantage that in the execution of several rinse program sections before rinsing, such.
  • cleaning, intermediate rinsing the latter is known to be switched between the program sections cleaning and rinsing, dissolves too quickly and is no longer present in sufficient concentration by multiple rinsing liquid change in the program section rinse.
  • Another deficiency in the use of 3-in-1 combination preparations may occur when the user of the dishwasher is dispensing by inserting e.g. B.
  • At least one washing program such as, for example, a dishwasher
  • a washing program such as, for example, a dishwasher
  • the selection means are usually in a control panel of the dishwasher and are well known as such.
  • a switchable additional function is provided by the use of combination preparations with multiple drugs such use of a program control is displayed.
  • the user-selected washing program such as intensive program, normal program, short program, eco program, is adapted to the use of a combination preparation, the cleaning substance, softening substance and final rinse substance. That is, when the additional function is activated, a corresponding signal is given to the control unit, which automatically carries out the adaptation of the respective user-selected washing program to the use of combination preparations.
  • various control routine routines are stored in the microcontroller of the control unit, which is used, and / or on various parameters of the wash programs, such as temperature, duration of a certain Spülprogrammabêtes, Spülillonkeits hypollvolumen, pH u. a. is added or intervened in a defined manner and thereby changed.
  • An alternative solution is an additional function, in which switching off a switching means acts according to the invention.
  • a specially designed washing program for special use with a combination preparation among other washing programs as such is self-selectable.
  • a regeneration function of a softening device is either switched off or changed in comparison to a normal program designed for combination preparations.
  • the additional function is designed for the use of a "3in1" combination preparation, this combination preparation containing as effective substances for cleaning the ware substantially only cleanser substance, softening substance and rinse aid substance.
  • the "3in1" combination preparation may also have other substances whose direct or indirect influence on the cleaning and drying results of individual rinse program sections or the overall cleaning result of the rinse program are of minor importance. If further active substances of the combination preparation are not expressly mentioned, however, these are, if known and influenceable, included in the subject matter of the invention.
  • a switching means for switching on the additional function which is preferably located in the screen carrier of the dishwasher next to other selection means and / or display means.
  • a switching means for switching on the additional function, which is preferably located in the screen carrier of the dishwasher next to other selection means and / or display means.
  • the switching means diverse known designs, such as rotary selector switch, button or the like are conceivable.
  • an actuation of a switching means by a user-dependent selection is possible, which can be switched by selecting in a menu-driven selection device, for example in a display display or networked home appliances via a graphical interface or possibly a voice recognition system.
  • a combination preparation in particular of a "3in1" combination preparation
  • a combination preparation can be detected in the dishwasher by at least one sensor provided, so that it is possible to distinguish between the sequence of the program and whether a combination preparation works according to the dilution principle or a combination preparation which first applies the rinse aid in the Rinsing phase pH-dependent and / or temperature-dependent dissolution is used.
  • concentration and / or pH change and / or changes in the degree of hardness of the rinsing liquid are determined, the conclusions on the concentration of the individual active substances of the "3in1" combination preparation allow, with the result that the program flow at any appropriate time be modified.
  • sensors at least one of the sensors is designed as a chemical and / or acoustic and / or thermal and / or optical and / or pneumatic sensor type. These can be designed differently in number and their specific detection property. Furthermore, an evaluation of the sensor signals both with regard to the adaptation of the rinsing program sequence with respect to the use of the "3in1" combination preparation and for the design of the Other parameters of the entire rinse cycle can be used. Furthermore, alternatively, at least one provided chemical sensor with appropriately selected receptors, the detection of z. B. several simultaneously occurring agents, such as cleaners and softeners and / or rinse aid, recognize the use of a combination preparation and signal without the addition of the additional function to the program flow control, the use of a combination preparation.
  • the use of a combination preparation is concluded and the program sequence is changed accordingly.
  • the use of a sensor which recognizes at least the pH value and / or the temperature and / or the degree of hardness of the rinsing liquid is particularly preferred.
  • the intended sensors determine continuously or discontinuously during the program sequence or individual wash program sections whose time courses or times can be predetermined by the program control, of individual program parameters, eg. B. based on an actual target value comparison and / or a difference value and / or the change history of a parameter such as pH, temperature, turbidity, foaming, concentration, water hardness, whether a particular active substance of the combination preparation z. B. exceeds a predetermined minimum or maximum value. Further z. B. as a function of a difference value, the z. B.
  • the evaluation of the pH value is currently feasible in such a way that the program section cleaning represents a maximum basic ph value, either in the program section rinsing by a predetermined value must be fallen below, or its change history, eg. B. in a predetermined characteristic field, predefined within predeterminable tolerances or pH jumps (erratic change in pH) can be determined within predefined periods of time or on the other hand, time constants are determined for their occurrence, e.g. after reaching the dissolution temperature of an encapsulated rinse aid.
  • such sensor measurement with activated additional function for adapting a Spülprogrammablilleres to the use of a combination preparation for the active intervention in the program flow itself used in selecting a special designed Spülprogrammablilleres have a kind of control function to determine whether during the program actually a combination preparation Use finds or at least one effective substance is present in sufficient concentration at the given time, adjustments of the Spülprogrammablilleres can be optional.
  • a suitable method of evaluation of the sensor measurement signals is z.
  • at least individual parameter values can be determined within determinable time intervals or time intervals and subjected to an actual nominal value comparison, a difference value formation or a threshold value query or the changes can be made compared to preset values or values determined in the program sequence, all comparison values being shown in tables or as default values in at least one memory unit of the program control are stored.
  • this storage unit can also be located outside the dishwasher.
  • certain program states can also be stored in the memory unit, whose combination pairings are e.g. not desired are deposited and these can prompt the user to certain actions.
  • Such undesirable constellations arise e.g. in the program section prewash if increased foaming and / or significant pH fluctuations occur, or a predetermined rinse aid concentration is exceeded during all program sections or rinse aid concentration jumps occur regardless of a specific temperature or temperature profile. The user can, for example, according to the occurred error situation.
  • the loading of a combination preparation in the Dosierkombination make or the program flow is aborted until user-dependent re-commissioning of the dishwasher takes place or the detected as erroneous measurement result is at least indicating.
  • z. B. is detected by an acoustic sensor, the case of a tablet from the metering chamber in the washing.
  • Other Detection possibilities offer optical sensors, the z. B. register increased foaming or chemical sensors that evaluate the change in the pH of the rinsing fluid.
  • an enzymatic cleaner substance having an efficacy temperature limit of about 30 ° C and a rinse aid substance with a dissolution temperature at about 58 ° C is included, with shortened scheduled program sections, and thus shortened solution duration, by short-term, possibly repeated and / or or controlled or regulated power output of the heating means in the pre-washing and / or intermediate rinsing the rinse liquid preferably heated at the end of the respective process section, so that for the following process sections cleaning or rinsing, which are operated with hot rinse liquid, the respective chemical substance their full effectiveness can develop better and longer.
  • the dissolution and thus the effectiveness of the cleaner or rinse aid for the duration of each program section is improved.
  • the energy supplied is comparable to that of an activation energy.
  • the actually used "3in1" combination preparation of the program control is specified as a parameter, eg. B. by input via an image capture
  • the z. B. recognizes the barcode of a "3in1" combination preparation or stored in the program store commercially available "3in1" combination preparations can be selected or the use of a specific combination preparation can be entered by the user in any other way, the user-dependent predetermined information on the use of a certain "3in1" combination preparations are either stored up to a changing input information or retrieved at the beginning of each or a defined predetermined time.
  • a product unequivocally not identified as a "3in1" combination preparation can deactivate a "3in1" function erroneously selected by the user or when selecting a "3in1" program, an error message is output.
  • the program sequence control takes into account the additional function, provides that the program sequence of selected rinse program changes and is adapted in its entire design to the use of a combination preparation.
  • individual or several parameters of the various wash program sections pre-wash, clean, intermediate wash, rinse are automatically adjusted in the manner described below, depending on the evaluation of predetermined sensor measurements, or changed in a predefined manner.
  • the steps indicated in the method claims in this case do not necessarily represent a requirement for the washing program sequence with regard to their sequence, but can specifically be determined, e.g. be selected depending on the use of a particular combination preparation or type of combination preparation, repeated and / or sequentially switched or followed by other program steps known per se.
  • the function of the rinse aid and possibly the detergent dosing in the selected rinse program is hidden when using a "3in1" combination preparation.
  • the z. B. sensor-dependent determination of the concentration of the rinse aid to meter these in required amounts, this compensates if necessary, dilution losses of the previous rinse program sections. If, during the selected wash program, further opening times for the metering device are provided for releasing a wide variety of substances, these too are blocked or the time of metering in a particular substance is shifted and / or changed in the metering dosage.
  • a softening substance is added to the combination preparation which is to make it unnecessary to soften in a known manner in the dishwasher by means of an intended softening device, then this is also known to be one Dishwasher to be performed regenerating the softener with saturated salt solutions (brine) is not necessary, therefore, in the program flow the Regenerierfunktion, ie the addition of a defined brine volume to the softening device, which is otherwise provided at a defined time of the program sequence hidden.
  • the water hardness actually present in the dishwasher if necessary, monitored due to softening with the softening substance of the combination preparation and possibly the Regenerierfunktion the softener switched so that a partial softening of the water through the softening device at a designated hardness sensor that can determine the water hardness of the rinse is made.
  • a designated hardness sensor that can determine the water hardness of the rinse.
  • the water volume for the regeneration function can be used, in particular in soft water areas, alternatively as a defined volume wholly or partly in the liquid-carrying program sections for dimensioning a predetermined liquid volume.
  • the duration of the initially provided program section pre-rinsing can be shortened in order to prevent the encompassed rinse aid and rinse aid active substances from dissolving too early and in the cleaning or rinsing sections are in too low a concentration.
  • a rinsing program which provides for two or more pre-rinsing sections, each with complete water change, then by omitting at least one pre-rinsing or reducing to a pre-rinsing section of the program, this already prevents prophylaxis, even without the detection of a combination preparation, from being incorrectly introduced into the dishwasher instead of dissolved in the dosing combination combined preparations dissolves too early.
  • the pre-rinsing process section is shortened or completely omitted, this reduces the time of loading the ware with water, the process of dissolving heavy soiling, which may have long adhered to the ware, is thereby shortened or completely eliminated. This is not conducive to good cleaning results in some cases of contamination. Therefore, in such cases, the process section cleaning is preferably extended by the duration of the process section by which the pre-rinse process section has been shortened. Thus, the dissolution of the dirt particles is at least partially moved into the cleaning procedure.
  • the number of intermediate rinsing sections between the cleaning and rinsing program sections is reduced to an intermediate rinsing section, which essentially has the task of eliminating occasionally trapped dirt particles and chemical residues of the cleaning.
  • the intermediate rinsing can be operated with a reduced maximum rinsing liquid volume compared to the maximum intended rinsing liquid volume of the program section cleaning, so that the concentration of the dissolved rinse aid is higher than with the same size rinsing liquid volume as in cleaning.
  • the intermediate rinsing section may possibly be completely dispensed with.
  • the energy fed in during the process sections which are operated with hot rinsing liquid is removed.
  • the energy fed in during the process sections which are operated with hot rinsing liquid is removed.
  • the circulation pump can be provided by repeated switching on and off the circulation pump with different determinable and / or predefinable duration of the on and off state the circulation pump to bring the rinsing liquid in the manner of a pulse rinse on the dishes.
  • the circulation of the rinsing liquid and thus the application of the ware is interrupted with rinsing liquid.
  • This type of pulse purging is briefly described with a sequence of spraying, pausing, splattering, pausing, splashing, pausing, etc.
  • the intermediate rinse may be provided in dependence of the measurement of turbidity and / or the content of rinse aid in the rinsing liquid, a dilution step.
  • the dilution step causes a partial volume of the rinsing liquid, which was used during the intermediate rinsing, to continue to be used in the subsequent rinsing process section and to be mixed with fresh rinsing liquid to be supplied.
  • the loss in particular of rinse aid against a complete pumping and filling of rinsing liquid is reduced.
  • the temperature in the process sections preceding the program section rinsing, preferably in the process section cleaning is preferably reduced to a temperature below the dissolution temperature of the rinse aid, preferably below 58 ° C.
  • a selected intensive program which usually operates the cleaning section with temperatures between 58 and 70 ° C, prevents that when using a combination preparation with temperature-dependent release of the rinse aid substance this possibly already dissolves here and therefore present in the program section rinse in too low a concentration.
  • the temperature control of the rinsing liquid during a selected rinsing process which has been adapted to the use of combination preparations automatically, as mentioned above, determined on the one hand by the dissolution temperatures of the individual chemical substances.
  • the rinsing liquid is not heated by switching on intended heating means, so that the rinsing liquid essentially depends on the water inlet temperature.
  • the rinsing liquid is actively heated as a result of switching on the heating means provided and passive in the intermediate rinsing program section without connecting these heating means, ie. H. by removing energy from the heat capacity of the dishwasher, heated significantly to a temperature below the dissolution temperature of a temperature-dependent rinse aid.
  • parts of the wash program with selected "3in1" function run completely or partially according to a defined predetermined program or detection and evaluation of certain parameters, eg. B. by sensors, in a suitable manner to the actual situation with respect to a predetermined desired situation completely or partially adapt.
  • connection of the "3in1" function or the selection of a “3in1" purging program can also be switched on, if necessary, in the case of networked household appliances which are operated independently of location by a central computer not located in the dishwasher.
  • a special "3in1" flushing program can be provided, which is adapted from the outset to the use of combination preparations, especially those containing cleaners, softeners and rinse aid at the same time.
  • This "3in1" purging program is selected directly by the user of the dishwasher and is characterized by the following essential process steps, the case mentioned but not necessarily sequence of process steps represents a possible Spülprogrammablauf without the final program section drying:
  • the pre-rinse is done with cold water, which is thus essentially dependent on the water supply temperature, for an extremely short period of 2 to 5 min., Preferably 2 to 3 min. During this time, mainly fresh soiling can be detached and softened dirt can be softened.
  • the liquid can be provided with heavy contamination one or more dilution steps of the rinsing liquid, wherein a dilution step due to the brevity of the pre-rinsing, preferably at the end of the pre-rinsing is provided. If no dilution step takes place at the end of the pre-rinse, the rinse liquid is completely changed before the next program section.
  • the freshly supplied rinsing liquid which may also be diluted and thus contaminated to a certain extent, is now heated in the cleaning process section to a temperature which is below the dissolution temperature of the rinse aid, preferably between 40 and 57 ° C.
  • the combination preparation is preferably supplied to the rinsing container by the dosing device within the first third of the program section cleaning, provided that the combination preparation is not by the user before starting the rinsing-rinsing program in the washing, z. B. in the cutlery basket was inserted.
  • the rinsing liquid is circulated in the washing during cleaning about 10 to 30 minutes and completely pumped or diluted at the end of the cleaning process section. This decision can be made dependent on an optional turbidity measurement of the rinsing liquid.
  • the process section cleaning is followed by a process section intermediate rinsing in which the fresh or diluted rinsing liquid now present is passively, i. H. is heated exclusively by energy removal of the heat capacity of the dishwasher, so that it removes during their circulation still existing residual debris and chemical residues of the process section cleaning.
  • the circulation of the rinsing liquid takes place in the intermediate rinsing section for a period of about 2 to 10 minutes.
  • the intermediate rinsing can also be operated as pulse rinsing with a reduced maximum rinsing liquid volume with respect to the maximum rinsing liquid volume of the cleaning.
  • the intermediate flushing stage ends with a complete or partial drainage.
  • a defined rinsing liquid volume is supplied to the rinsing container. This can be fixed from the outset and / or set variably in dependence of various parameters.
  • a dependent variable is the concentration of the rinse aid actually present in the rinse liquid, since this has an immediate effect on the rinse aid result and thus on the subsequently achievable drying result of the ware.
  • concentration of the rinse aid actually present in the rinse liquid, since this has an immediate effect on the rinse aid result and thus on the subsequently achievable drying result of the ware.
  • the concentration of the rinse aid at the beginning of the program section rinsing can be adjusted to a predetermined concentration by supplying a defined rinse liquid volume.
  • the rinsing liquid with rinse aid already dissolved, as well as the rinse aid still to be dissolved is now preferably heated to a dissolution temperature above the dissolution temperature of a rinse aid dissolving in pH and / or temperature.
  • This dissolution temperature is currently above 58 ° C (for the "3in1" combination preparation Calgonit Powerballs®).
  • the rinsing liquid is heated and circulated.
  • the rinsing liquid is removed as far as possible by pumping out of the rinsing container.
  • the Spülcieserdecke, the Spül variouser is removed in, following the program section rinse, program section drying.
  • the drying is preferably carried out as condensation drying.
  • at least one circulating air blower is switched on in the first third of this program section.
  • the intermediate rinsing during the liquid-carrying process sections can preferably be designed as pulse rinses, ie, during the process section intermediate rinsing, the circulation pump is repeatedly switched on and off for a predefinable or determinable duration.
  • the duration of switching on the circulation pump and the switching off of the circulation pump is dependent on a level of Spülillonkeitsitate in the washing, which corresponds to a lower level, at which the circulating pump sucks no air. Due to the above-mentioned limited factor, there are further dependencies on the rotational speed of the circulation pump, which withdraws more rinsing liquid from the sump as the rotational speed increases.
  • the design of the pulses of switching on and off of the circulation pump is adjustable depending on a turbidity measurement of the rinsing liquid, so the duration of switching on the circulation pump can be shortened compared to the duration of turning off the circulation pump at low degree of contamination and extended accordingly with increased degree of contamination.
  • the maximum existing rinsing liquid volume during a liquid-carrying process section preferably set in the process section intermediate rinsing defined.
  • a combination preparation which contains a rinse aid which has a temperature and / or pH-dependent dissolution behavior
  • a certain pH preferably in the neutral pH range
  • the invention with reference to a method for operating a domestic dishwasher, which is suitable for the use of 3in1 combination preparations, ie of those with the active ingredients cleaner, rinse aid and softener, explained in more detail.
  • the single figure shows a schematic of the individual process sections of a washing program sequence. It is assumed that the water of the supply line is substantially soft and thus has a low degree of hardness.
  • the rinsing liquid should reach a temperature of about 55 ° C, which at the time of the invention, a temperature below the dissolution temperature of the rinse aid of pHund temperature-dependent dissolvable 3inl combination preparation, such as Calgonit Powerballs® corresponds.
  • the "3in1" combination preparation is added, preferably during the supply of rinsing liquid (indicated by arrow 3 in1).
  • the rinsing liquid is circulated at the maximum predetermined temperature for about 10 to 30 minutes in the washing and thereby applied to the dishes to be cleaned. At the end of the program section cleaning, the rinsing liquid is almost completely removed from the rinsing container (indicated by arrow VR). The rinsing liquid volume is refilled for a subsequent program section intermediate rinsing and heated and circulated exclusively by removing energy stored in the heat capacity of the dishwasher.
  • the maximum volume of rinsing liquid supplied can be varied as a function of a turbidity measurement and / or a concentration measurement of existing rinse aid which operates on the dilution principle.
  • the rinsing liquid volume is preferably increased in the case of a high degree of contamination and / or a high degree of concentration of the rinse aid and / or strongly basic medium of the rinsing liquid.
  • the rinsing liquid volume is lowered.
  • the process section intermediate rinsing passes into the program section rinsing after a dilution step or after a complete pumping, not shown, for example depending on the degree of turbidity.
  • the rinsing liquid volume is at least partially increased and preferably reaches the maximum rinsing liquid volume of the program section cleaning.
  • the rinsing liquid volume can also be adjusted precisely to a predeterminable concentration range of the rinse aid by appropriately evaluated measurement results of provided sensors.
  • the value of the rinsing fluid volume to be supplied then has to be calculated by the arithmetic unit of the program sequence control.
  • the duration of the intermediate rinsing varies between 2 to 10 minutes and the duration of rinsing approximately between 2 to 15 minutes.
  • the rinsing liquid volume is now in the further program flow to a temperature above one
  • the dissolution temperature of the rinse aid is currently approx. 58 ° C, so that it is heated to a minimum rinse temperature of 60 to 70 ° C.
  • the rinse liquid is almost completely removed from the rinse tank (indicated by arrow VK).
  • the program section rinsing is followed by a program section drying, which, however, is not shown here.

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  • Washing And Drying Of Tableware (AREA)
EP03008621A 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen Expired - Lifetime EP1362547B2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP04027569A EP1518489B1 (de) 2002-05-16 2003-04-15 Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP10012679A EP2281498A2 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP04027571A EP1516576B1 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP10012682A EP2283761A2 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem kombinationspräparat mit mehreren Wirkstoffen
EP09011293A EP2127585B1 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen

Applications Claiming Priority (4)

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DE10222226 2002-05-16
DE10222226 2002-05-16
DE10257826 2002-12-10
DE10257826A DE10257826A1 (de) 2002-05-16 2002-12-10 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen

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EP04027569A Division EP1518489B1 (de) 2002-05-16 2003-04-15 Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP04027569A Division-Into EP1518489B1 (de) 2002-05-16 2003-04-15 Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP09011293A Division-Into EP2127585B1 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP04027571A Division EP1516576B1 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP04027571A Division-Into EP1516576B1 (de) 2002-05-16 2003-04-15 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen

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EP1362547A2 EP1362547A2 (de) 2003-11-19
EP1362547A3 EP1362547A3 (de) 2003-12-10
EP1362547B1 EP1362547B1 (de) 2005-02-09
EP1362547B2 true EP1362547B2 (de) 2010-01-27

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DE10360552A1 (de) † 2003-12-22 2005-07-28 BSH Bosch und Siemens Hausgeräte GmbH Spülmaschinensteuerung zur Bewältigung großer Speiserestmengen durch variierbare Spülprogramme
DE102004035718A1 (de) 2004-07-23 2006-04-13 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Zufuhr von Klarspülmittel bei einer programmgesteuerten Geschirrspülmaschine
DE102004043657A1 (de) * 2004-09-07 2006-03-23 Miele & Cie. Kg Verfahren zur Durchführung eines Klarspül-Programmabschnitts in einer programmgesteuerten Geschirrspülmaschine
DE102004050364A1 (de) * 2004-10-15 2006-04-27 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit optimiertem Klarspüleffekt
DE102004062244A1 (de) * 2004-12-23 2006-07-13 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspüler ohne Reiniger-/Klarspüler-/Enthärterzugabe
DE102005050183A1 (de) 2005-10-19 2007-04-26 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine und Betriebsverfahren für eine Geschirrspülmaschine
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ES2336474T3 (es) 2006-09-08 2010-04-13 Whirlpool Corporation Maquina lavavajillas.
DE102006058793B8 (de) * 2006-12-12 2008-05-08 Miele & Cie. Kg Verfahren zur Durchführung eines Spülprogramms
ITRN20070022A1 (it) * 2007-04-05 2008-10-06 Indesit Co Spa Macchina di lavaggio
DE102007020074B3 (de) * 2007-04-26 2008-06-19 Miele & Cie. Kg Verfahren zur Durchführung von Spülprogrammen in einer Geschirrspülmaschine
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KR20100023167A (ko) * 2008-08-21 2010-03-04 엘지전자 주식회사 식기세척기의 제어방법
EP2179684A1 (en) * 2008-10-22 2010-04-28 Vestel Beyaz Esya Sanayi Ve Ticaret A.S. A washing method for dishwashers
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DE50303969D1 (de) 2006-08-03
EP1362547B1 (de) 2005-02-09
ES2268568T3 (es) 2007-03-16
AU2003204196A1 (en) 2003-12-04
AU2003204196B2 (en) 2010-09-02
EP1362547A3 (de) 2003-12-10
ES2235126T5 (es) 2010-05-12
ES2235126T3 (es) 2005-07-01
EP1362547A2 (de) 2003-11-19

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