EP1567043A1 - Method for detecting the quantity of dishes in the washing container of a dishwasher and dishwasher for carrying out said method - Google Patents
Method for detecting the quantity of dishes in the washing container of a dishwasher and dishwasher for carrying out said methodInfo
- Publication number
- EP1567043A1 EP1567043A1 EP03811752A EP03811752A EP1567043A1 EP 1567043 A1 EP1567043 A1 EP 1567043A1 EP 03811752 A EP03811752 A EP 03811752A EP 03811752 A EP03811752 A EP 03811752A EP 1567043 A1 EP1567043 A1 EP 1567043A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dishwasher
- amount
- dishes
- washing
- crockery
- 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
- 238000005406 washing Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 4
- 238000004851 dishwashing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4295—Arrangements for detecting or measuring the condition of the crockery or tableware, e.g. nature or quantity
-
- 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
- A47L2401/08—Drain or recirculation pump parameters, e.g. pump rotational speed or current absorbed by the motor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
- A47L2401/12—Water temperature
-
- 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 relates to a method for detecting the amount of crockery in the washing compartment of a dishwasher and a dishwasher for performing this method.
- a particular aim is to reduce energy consumption, since household appliances, in particular dishwashers, are categorized based on their energy consumption.
- An essential part of the energy consumption is used when heating up the rinse, since, depending on the selected rinse program, a liquid quantity of about 3 to 6 liters must be heated by a temperature difference of up to 50 ° C in each section of the program.
- conventional dishwashers offer the option of manually preselecting an economy program that significantly reduces water consumption or by selecting a so-called single basket rinsing that can reduce water consumption by up to approximately half, or in any case also significantly.
- the aim of these options is to optimally adapt the respective washing program and thus the required amount of water to the respective amount of dishes.
- the user has to preselect the above-mentioned, known savings options, the savings program or the single basket rinse.
- a single basket rinse cannot be selected, since despite the small number of crockery this is distributed among two baskets in the washing container due to the size of the individual dishes. Since the amount of crockery cannot be set precisely and only a distinction can be made between coarse crockery states, a larger amount of liquid is used than is necessary due to the amount of crockery.
- both the motor operating data of a circulating pump and the heating gradient in the dishwasher are recorded at least in a pre-winding phase and in a heating-up phase, and the recorded actual values are compared with stored target values on the basis of this target The actual value comparison determines the amount of dishes in the washing container and the washing program is adjusted accordingly based on the amount of dishes found.
- the engine operating data and the heating gradient are advantageously measured at specific time intervals.
- the engine operating data are used to detect the amount of dishes in the washing container, but also the temperature value which is necessary for heating the washing liquor.
- This value known as the heating slope, measures the temperature change of the water flowing through via a temperature sensor which is arranged, for example, at an outlet of the instantaneous water heater or another heating source which is intended for heating the washing liquor. If, for example, a certain amount of water is heated in the continuous-flow heater and directed onto the dishes by means of at least one spray device, temperature compensation takes place between the dishes and the washing liquor, the temperature change or the speed of the temperature change depending on the respective amount of dishes in the washing container.
- the rinsing liquor is pumped several times through the heating device, for example the instantaneous water heater, using a circulating pump, so that measuring the water temperature, for example at the instantaneous heater outlet or inlet, makes sense.
- the sole use of the heating slope data to detect the amount of crockery in the washing container is not sufficiently reliable, since the heating slope data can be significantly falsified due to the voltage differences that are always present in the public power grid. If, for example, the dishwasher is operated at a voltage of 250 volts instead of 230 volts AC, the heating slope measurement would underestimate the loading condition due to the high electrical power available, even with a washing container that is loaded with wash ware and pass on a signal to the program control device that the dishwasher is empty.
- the operating data of the motor also change with the voltage, i.e.
- the change in voltage or voltage fluctuations are measured and can therefore be incorporated into the assessment of the heating slope values or verified.
- the method according to the invention thus combines two measurement values obtained independently of one another, which can be attributed to different input variables, actual values. After the method according to the invention has recognized the amount of crockery in the washing container, the amount of water sufficient for this specific amount of crockery, which was also determined by empirical measurement data and stored in the program control device, can be determined, so that the water consumption can be significantly reduced due to the automatic adjustment of the amount of water.
- the present invention has succeeded in providing a method which is suitable for recognizing the amount of dishes in the washing compartment of a dishwasher in such a way that a program controller adapts the washing program to the respective amount of dishes.
- both the motor operating data of the circulation pump and the heating gradient are recorded by means of suitable sensors at least in a pre-winding phase and in a heating phase, the dishwasher having a program control in which the recorded actual values are stored Target values are compared, on the basis of this target / actual value comparison the amount of crockery in the washing container is determined and the washing program is adjusted accordingly based on the amount of crockery found.
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10255380A DE10255380A1 (en) | 2002-11-27 | 2002-11-27 | System for recognizing the amount of dishes in the dishwasher rinsing container and dishwasher |
DE10255380 | 2002-11-27 | ||
PCT/EP2003/012422 WO2004047608A1 (en) | 2002-11-27 | 2003-11-06 | Method for detecting the quantity of dishes in the washing container of a dishwasher and dishwasher for carrying out said method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1567043A1 true EP1567043A1 (en) | 2005-08-31 |
EP1567043B1 EP1567043B1 (en) | 2007-07-25 |
Family
ID=32308757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03811752A Expired - Lifetime EP1567043B1 (en) | 2002-11-27 | 2003-11-06 | Method for detecting the quantity of dishes in the washing container of a dishwasher and dishwasher for carrying out said method |
Country Status (8)
Country | Link |
---|---|
US (1) | US8293022B2 (en) |
EP (1) | EP1567043B1 (en) |
CN (1) | CN100398053C (en) |
AT (1) | ATE367760T1 (en) |
AU (1) | AU2003276267A1 (en) |
DE (2) | DE10255380A1 (en) |
ES (1) | ES2289362T3 (en) |
WO (1) | WO2004047608A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004003536A1 (en) * | 2004-01-23 | 2005-08-11 | BSH Bosch und Siemens Hausgeräte GmbH | Liquid household electrical appliance |
DE102004035847A1 (en) * | 2004-07-23 | 2006-03-23 | BSH Bosch und Siemens Hausgeräte GmbH | Method for detecting the load of items to be washed and dishwashing machine |
US7935194B2 (en) * | 2007-08-27 | 2011-05-03 | Whirlpool Corporation | Dishwasher with targeted sensing |
DE102007059517A1 (en) * | 2007-12-11 | 2009-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Method for detecting a load-related heat capacity change of a water-conducting household appliance |
DE102009023252A1 (en) * | 2009-05-29 | 2010-12-02 | BSH Bosch und Siemens Hausgeräte GmbH | dishwasher |
EP2519139B1 (en) * | 2009-12-31 | 2016-03-02 | Arçelik Anonim Sirketi | A dishwasher the washing effectiveness of which is increased |
TWI412347B (en) * | 2010-07-29 | 2013-10-21 | Panasonic Corp | Tableware cleaning machine |
EP3150100A1 (en) * | 2015-10-01 | 2017-04-05 | Whirlpool EMEA S.p.A | Dishwasher with load estimator |
CN105286742B (en) * | 2015-10-22 | 2018-05-01 | 佛山市顺德区美的洗涤电器制造有限公司 | The detection method and device of dish-washing machine and its tableware weight |
CN106419785B (en) * | 2016-08-29 | 2019-04-30 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine and its control method and device |
CN110051296B (en) * | 2018-01-19 | 2021-12-03 | 青岛海尔洗碗机有限公司 | Dish washer control system and dish washer |
CN110464270A (en) * | 2018-05-11 | 2019-11-19 | 青岛海尔洗碗机有限公司 | A kind of dish washer control method and dish-washing machine |
CN111820834B (en) * | 2019-04-15 | 2021-11-19 | 宁波方太厨具有限公司 | Dish washing machine cleaning system and automatic cleaning method |
CN112806939B (en) * | 2021-01-22 | 2022-02-25 | 珠海格力电器股份有限公司 | Dish washing machine and control method and control device thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014663C2 (en) * | 1980-04-16 | 1983-11-17 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Household dishwasher |
JP3141463B2 (en) * | 1991-11-20 | 2001-03-05 | 松下電器産業株式会社 | dishwasher |
DE4142517A1 (en) * | 1991-12-21 | 1993-06-24 | Licentia Gmbh | Program-controlled washing machine or dishwasher - registers speed of temperature rise in washing water to provide for heater control |
DE19505552A1 (en) | 1995-02-18 | 1996-08-22 | Aeg Hausgeraete Gmbh | Method for operating a dishwasher |
DE19538580B4 (en) * | 1995-10-17 | 2008-07-24 | Köhler, Katharina | Method for operating a dishwasher |
DE19736347A1 (en) * | 1997-08-21 | 1999-02-25 | Wunnibald Kunz | Measuring appliance for use in dishwasher |
DE19812230A1 (en) * | 1998-03-20 | 1999-09-23 | Aeg Hausgeraete Gmbh | Dishwasher and method for operating the same |
DE10048088A1 (en) * | 2000-09-28 | 2002-04-11 | Miele & Cie | Method for recognizing the loading of a program-controlled dishwasher with dishes and a dishwasher for carrying out the method |
US6622754B1 (en) * | 2001-12-19 | 2003-09-23 | Whirlpool Corporation | Load-based dishwashing cycle |
-
2002
- 2002-11-27 DE DE10255380A patent/DE10255380A1/en not_active Withdrawn
-
2003
- 2003-11-06 AT AT03811752T patent/ATE367760T1/en active
- 2003-11-06 EP EP03811752A patent/EP1567043B1/en not_active Expired - Lifetime
- 2003-11-06 ES ES03811752T patent/ES2289362T3/en not_active Expired - Lifetime
- 2003-11-06 CN CNB2003801044670A patent/CN100398053C/en not_active Expired - Lifetime
- 2003-11-06 US US10/536,289 patent/US8293022B2/en active Active
- 2003-11-06 AU AU2003276267A patent/AU2003276267A1/en not_active Abandoned
- 2003-11-06 DE DE50307785T patent/DE50307785D1/en not_active Expired - Lifetime
- 2003-11-06 WO PCT/EP2003/012422 patent/WO2004047608A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2004047608A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE367760T1 (en) | 2007-08-15 |
US8293022B2 (en) | 2012-10-23 |
DE10255380A1 (en) | 2004-06-09 |
WO2004047608A1 (en) | 2004-06-10 |
CN100398053C (en) | 2008-07-02 |
US20060130876A1 (en) | 2006-06-22 |
ES2289362T3 (en) | 2008-02-01 |
CN1717193A (en) | 2006-01-04 |
DE50307785D1 (en) | 2007-09-06 |
EP1567043B1 (en) | 2007-07-25 |
AU2003276267A1 (en) | 2004-06-18 |
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