EP0972487A1 - Verfahren zum Betreiben eines Geschirrspülers mit Steuerprogramm - Google Patents
Verfahren zum Betreiben eines Geschirrspülers mit Steuerprogramm Download PDFInfo
- Publication number
- EP0972487A1 EP0972487A1 EP99113042A EP99113042A EP0972487A1 EP 0972487 A1 EP0972487 A1 EP 0972487A1 EP 99113042 A EP99113042 A EP 99113042A EP 99113042 A EP99113042 A EP 99113042A EP 0972487 A1 EP0972487 A1 EP 0972487A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- program
- washing
- opaqueness
- program structure
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—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
- A47L15/0044—Operation time reduction
-
- 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
- A47L15/0047—Energy or water consumption, e.g. by saving energy or water
-
- 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
- A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
-
- 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
- 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
- A47L2501/02—Water discharge, e.g. opening or closure of discharge 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
- A47L2501/30—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
Definitions
- the invention concerns a method for the operation of a dishwasher with program control, in which the program steps are variable depending on the degree of opaqueness of the washing solution.
- washing programs are generally designed as universal programs, i.e., they adapt to the particular ascertained dirtiness of the washing solution and, for successful cleaning of the items to be washed, are supposed to deal with all types of soiling that occur. This, however, is not in any way assured for all types of soiling that occur.
- two types of soiling can be distinguished.
- the soiling can then be cleaned relatively easily with a small expenditure of time, temperature, and water.
- Such soiling occurs, for example, in the case of cold foodstuffs or in the case of foodstuff residues which have not dried on.
- the second type of household soiling can be cleaned only with difficulty, e.g. in the case of foodstuff residues which have burned on or which have dried on to the items to be washed over a fairly long period of time.
- Burned-on soiling residues which are gradually released from the items to be washed are very small by comparison with the soiling which is already released, and therefore cannot be measured in the majority of cases. Due to these disadvantages, in the case of the known methods the washing process must always be designed so that even hard, burned-on soiling is cleaned. Consequently, the washing programs cannot be optimised to a minimum amount of time, temperature and water consumption by means of sensor control. Otherwise, a satisfactory cleaning result would not be achieved in the case of burned-on soiling.
- the object of the invention is to create a method, of the type initially referred to which can always be optimised to a minimum in respect of time, temperature and water consumption, irrespective of the nature of the soiling, without the need to dispense with a satisfactory cleaning result.
- a first program structure can be selected for easily cleaned domestic soiling and a second program structure can be selected for burned-on and/or dried-on domestic soiling, in that the degree of opaqueness of the washing solution is measured by means of an optical sensor according to transparency and foam formation, in that in the first program structure at least the washing duration is varied in the program steps and in that in the second program structure the washing solution is heated to a defined temperature, at least in pre-washing.
- the method according to the invention provides for two different program structures, which are optimally adapted to the two main types of domestic soiling that occur.
- the user can contribute significantly to the optimisation of the washing process through selection of the program structure according to the loading of the dishwasher with the correspondingly soiled items. Further optimisation is effected by the measurement value, measured by the sensor, for the transparency of the washing solution present, at least the washing duration being variable in the first program structure in dependence upon it and a defined, preferably raised temperature of the washing solution being used in the second program structure, at least in the pre-washing phase.
- the soiling is rapidly removed from the items to be washed by the mechanical action of the water jet. Burned-on residual soiling is not anticipated in this case. Consequently, it is possible for the washing duration in the respective program steps to be adapted according to the measurement values of the opaqueness sensor. In the case of a low opaqueness value, the shortest possible washing duration is selected in the respective program steps. In the case of medium and high opaqueness values, the washing duration is prolonged accordingly. Changing of the water between the different program steps can be either inhibited or effected depending on the measured opaqueness of the washing solution, in order to minimise the water requirement. A defined quantity of water can be added in each program step in the case of a large amount of foam being formed.
- a separate sensor can be provided for this purpose, to measure the reflection of the washing solution or the instable pressure of the circulating pump, for the purpose of deriving a corresponding measurement value.
- the time parameter is not influenced towards the achievement of a shortest possible washing duration. Rather, in this case, the program is varied within a time-frame depending on the sensor measurement values so as to achieve an optimum cleaning result using the smallest possible amount of water and electrical energy.
- a crucial feature of the second program structure for "intensive cleaning” is the heating of the washing solution during pre-washing to a defined, preferably higher temperature than in the first program structure. At this temperature, of e.g. °C, the majority of foodstuff residues, particularly greases, are removed from the items to be washed. In combination with an addition of a portion of the cleaner during pre-washing, a good cleaning effect is then already achieved. If a high level of opaqueness of the cleaning solution results from the cleaning action during pre-washing, then a large part of the soiling present on the items to be washed is removed in the subsequent program step. Consequently, in the subsequent program step, the cleaner chemistry can act almost entirely on the soiling still adhering to the items to be washed.
- the pre-washing program step can be discontinued after a minimum time. In this case, a change of water before the next program step can be omitted. In the case of a large opaqueness value, however, the quantity of water is varied.
- the required temperatures can be reached more rapidly in the program steps with heating of the washing solution than is possible in the case of dishwashers with a cold-water connection.
- the time saved in the heating steps through the hot-water connection can be added to other program steps of the washing process depending on the sensor measurement values.
- a further advantage of the method according to the invention is the compatibility of the sensor-controlled programs with commercially available cleaners.
- the parameters of temperature, number of temperature steps and the hold times following attainment of the temperature can be adapted to the different commercially available cleaners.
- Matching of the programs to new types of cleaner can be effected by the input of data into an electronic data memory (EEPROM).
- EEPROM electronic data memory
- the sensor-controlled programs can optimally set the cleaning times for the current cleaner type depending on the sensor measurement values of the program step just executed and/or the preceding program steps.
- the sensor measurement data can also be used to determine whether and how many intermediate washing steps are to be performed.
- water can also be added depending on the sensor measurement data and this addition can be effected in each program step. Water is always added whenever the sensor measurement value attains a predefined threshold value. The addition of water always means an adaptation of the water quantity to a difficult cleaning situation (high degree of opaqueness and/or foam of the washing solution) and serves to improve and optimise the cleaning result.
Landscapes
- Washing And Drying Of Tableware (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19831687 | 1998-07-15 | ||
DE19831687A DE19831687A1 (de) | 1998-07-15 | 1998-07-15 | Verfahren zum Betreiben einer Geschirrspülmaschine mit Programmsteuerung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0972487A1 true EP0972487A1 (de) | 2000-01-19 |
EP0972487B1 EP0972487B1 (de) | 2003-03-05 |
Family
ID=7874093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99113042A Expired - Lifetime EP0972487B1 (de) | 1998-07-15 | 1999-07-06 | Verfahren zum Betreiben eines Geschirrspülers mit Steuerprogramm |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0972487B1 (de) |
DE (2) | DE19831687A1 (de) |
ES (1) | ES2193627T3 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1188409A2 (de) * | 2000-09-13 | 2002-03-20 | Whirlpool Corporation | Verfahren zum Klarspülen in einer Geschirrspülmaschine |
EP1362547A2 (de) * | 2002-05-16 | 2003-11-19 | Electrolux Home Products Corporation N.V. | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen |
EP1516576A1 (de) * | 2002-05-16 | 2005-03-23 | Electrolux Home Products Corporation N.V. | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen |
WO2007048482A1 (en) * | 2005-10-27 | 2007-05-03 | Electrolux Home Products Corporation N.V. | Network of programme-controlled household appliances |
US7481892B2 (en) | 2002-08-21 | 2009-01-27 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Method for adapting a rinsing program in a dishwasher machine, and corresponding dishwasher machine |
CN105411498A (zh) * | 2015-11-03 | 2016-03-23 | 佛山市顺德区美的洗涤电器制造有限公司 | 洗碗机以及洗碗机的洗涤控制方法和装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10057210A1 (de) * | 2000-11-17 | 2002-05-23 | Miele & Cie | Verfahren zur automatischen Steuerung des Spülprozesses in einer Geschirrspülmaschine |
DE10238304A1 (de) * | 2002-08-21 | 2004-02-26 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Anpassen eines Spülprogramms in einer Geschirrspülmaschine und Geschirrspülmaschine |
DE10253025B3 (de) * | 2002-11-14 | 2004-07-22 | Whirlpool Corp., Benton Harbor | Verfahren zum Betreiben einer Geschirrspülmaschine mit zentraler Steuereinheit und Trübungsmessung |
DE10253017B4 (de) * | 2002-11-14 | 2004-09-09 | Whirlpool Corp., Benton Harbor | Verfahren zum Betreiben einer Geschirrspülmaschine mit einer zentralen Steuereinheit |
DE10260160A1 (de) * | 2002-12-20 | 2004-07-08 | BSH Bosch und Siemens Hausgeräte GmbH | Geschirrspülmaschine |
DE102008044952A1 (de) * | 2008-08-29 | 2010-03-04 | Premark Feg L.L.C., Wilmington | Spülmaschine in Form eines Programmautomaten und Verfahren zu deren Betrieb |
DE102014212294A1 (de) | 2014-06-26 | 2015-12-31 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3888269A (en) * | 1973-07-17 | 1975-06-10 | Whirlpool Co | Control system for dishwasher |
DE4219276A1 (de) * | 1992-06-12 | 1993-12-16 | Licentia Gmbh | Wasch- oder Geschirrspülmaschine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3626351A1 (de) * | 1986-08-04 | 1988-02-11 | Licentia Gmbh | Verfahren zum betreiben einer geschirrspuelmaschine |
DE4243868C2 (de) * | 1992-12-23 | 1996-01-25 | Bosch Siemens Hausgeraete | Verfahren zum Betreiben einer Geschirrspülmaschine |
DE19629806B4 (de) * | 1996-07-24 | 2012-03-22 | Electrolux Rothenburg Gmbh Factory And Development | Wasch- oder Spülmaschine |
DE19651296B4 (de) * | 1996-12-10 | 2016-11-10 | BSH Hausgeräte GmbH | Geschirrspülmaschine mit einer Steuereinrichtung |
-
1998
- 1998-07-15 DE DE19831687A patent/DE19831687A1/de not_active Withdrawn
-
1999
- 1999-07-06 EP EP99113042A patent/EP0972487B1/de not_active Expired - Lifetime
- 1999-07-06 ES ES99113042T patent/ES2193627T3/es not_active Expired - Lifetime
- 1999-07-06 DE DE69905658T patent/DE69905658T2/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3888269A (en) * | 1973-07-17 | 1975-06-10 | Whirlpool Co | Control system for dishwasher |
DE4219276A1 (de) * | 1992-06-12 | 1993-12-16 | Licentia Gmbh | Wasch- oder Geschirrspülmaschine |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1188409A2 (de) * | 2000-09-13 | 2002-03-20 | Whirlpool Corporation | Verfahren zum Klarspülen in einer Geschirrspülmaschine |
EP1188409A3 (de) * | 2000-09-13 | 2003-04-02 | Whirlpool Corporation | Verfahren zum Klarspülen in einer Geschirrspülmaschine |
EP1362547A2 (de) * | 2002-05-16 | 2003-11-19 | Electrolux Home Products Corporation N.V. | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen |
EP1362547A3 (de) * | 2002-05-16 | 2003-12-10 | Electrolux Home Products Corporation N.V. | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen |
EP1516576A1 (de) * | 2002-05-16 | 2005-03-23 | Electrolux Home Products Corporation N.V. | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen |
EP1518489A1 (de) * | 2002-05-16 | 2005-03-30 | Electrolux Home Products Corporation N.V. | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen |
US7481892B2 (en) | 2002-08-21 | 2009-01-27 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Method for adapting a rinsing program in a dishwasher machine, and corresponding dishwasher machine |
WO2007048482A1 (en) * | 2005-10-27 | 2007-05-03 | Electrolux Home Products Corporation N.V. | Network of programme-controlled household appliances |
CN105411498A (zh) * | 2015-11-03 | 2016-03-23 | 佛山市顺德区美的洗涤电器制造有限公司 | 洗碗机以及洗碗机的洗涤控制方法和装置 |
CN105411498B (zh) * | 2015-11-03 | 2018-07-13 | 佛山市顺德区美的洗涤电器制造有限公司 | 洗碗机以及洗碗机的洗涤控制方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
DE69905658T2 (de) | 2003-11-06 |
ES2193627T3 (es) | 2003-11-01 |
DE19831687A1 (de) | 2000-01-20 |
EP0972487B1 (de) | 2003-03-05 |
DE69905658D1 (de) | 2003-04-10 |
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