EP0461722A1 - Réglage de quantité d'alimentation d'eau pour lave-vaisselle et lave-linge - Google Patents
Réglage de quantité d'alimentation d'eau pour lave-vaisselle et lave-linge Download PDFInfo
- Publication number
- EP0461722A1 EP0461722A1 EP91201433A EP91201433A EP0461722A1 EP 0461722 A1 EP0461722 A1 EP 0461722A1 EP 91201433 A EP91201433 A EP 91201433A EP 91201433 A EP91201433 A EP 91201433A EP 0461722 A1 EP0461722 A1 EP 0461722A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- water
- storage vessel
- metering valve
- control device
- 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
Images
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
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0023—Water filling
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
-
- 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
- A47L15/4229—Water softening arrangements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4244—Water-level measuring or regulating arrangements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4285—Water-heater arrangements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4291—Recovery arrangements, e.g. for the recovery of 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
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/48—Drying arrangements
- A47L15/483—Drying arrangements by using condensers
-
- 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
- A47L2401/09—Water level
-
- 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
- A47L2401/20—Time, e.g. elapsed operating time
-
- 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
Definitions
- the invention relates to a device for controlling the water supply quantity for a washing machine or dishwasher containing a container and a program control device.
- Dishwashers and washing machines of the type mentioned initially require certain amounts of water in their functional sequence, the size of which can also vary depending on the type of sequence.
- measurement and control methods are used that work according to known physical rules.
- So z. B. detected the rise of a static water column in a vat pressure converted in a wind boiler and used by a pressure switch set to certain pressure values.
- the pressure switch now indirectly determines the filling quantity by switching an inlet valve on or off. As a result of this indirect route, a relatively inaccurate measurement is created in the chain, which is due to the tolerances of the individual components, assembly tolerances and the inlet pressure range of 0.3 to 10 bar to be managed.
- the design of a level control also has an effect the reduction of consumption data in such a way that smaller and smaller amounts of water can be managed.
- a device of the type mentioned in connection with a softening device for a dishwasher has become known.
- a water collecting container is provided in the upper region of the machine.
- the drain line there is a softening device, which on the one hand has a salt container and an ion exchange container in series with the salt container, which in turn opens into the container of the machine.
- the collecting container is provided with a second drain line which opens directly into the container of the machine.
- the ion exchange container can be connected directly to the fresh water supply line via an extra line.
- the collecting container is briefly filled with water up to the level of an overflow threshold during each program sequence of the dishwasher in the program section "Regenerate".
- the water collected by the collecting container flows under the influence of gravity directly into the salt container, from which a quantity of brine corresponding to the receiving volume of the collecting container is simultaneously fed to the ion exchange container in order to regenerate its ion exchange filling.
- the receiving volume of the collecting container can be changed by a height-adjustable overflow threshold. The brine requirement can thus be adapted to the degree of exhaustion of the ion exchange filling.
- the invention has for its object to provide a device of the type mentioned, which allows a very precise measurement of the amount of water to be supplied in a simple manner.
- a storage vessel connected to the water supply line is arranged in the upper machine area, which is connected via a drain line to the container, that the drain line has a metering valve, the opening position of which by a Time element of the program control device can be limited in time, and that the reservoir contains a control device with which its water level can be kept approximately at the same level when the metering valve is open.
- the size of the orifice and its wall thickness and the back pressure that occurs in the downstream system result in the amount of water passing through per unit of time.
- the decisive factor for the accuracy of the measurement is therefore primarily the metering valve, the opening orifice of which must be designed as a function of the downstream system. Since the water level in the storage vessel and thus the amount of water present in the storage vessel remains essentially the same as a result of the control device, a different height cannot exert any influence on the amount of water passing through per unit of time. It is thus possible to supply a precisely determined amount of water by opening the metering valve for a time that is matched to this amount of water. This time can be determined by the timer of the program control device can be set. Overall, an extremely precise quantity measurement can thus be carried out. In addition, different feed quantities can be controlled very precisely through variable program-related time setting.
- the metering valve is provided with an adjustable diaphragm.
- the amount of water to be supplied per unit of time can thus be changed in a simple manner, so that it can be easily adapted to the system connected behind the metering valve.
- Two fixed reed switches and a float carried by the water level are preferably provided as the control device for regulating the water level within the storage vessel.
- This float works with the reed switches in such a way that the inlet valve for the water inlet of the storage vessel is opened or closed as soon as the float exceeds certain limits specified by the reed switches.
- An advantageous embodiment of the invention is characterized in that a two-way valve and a water softening device with an ion exchange container and a salt container are provided in the drain line behind the metering valve.
- the two-way valve can either be connected downstream of the metering valve as a separate component or can be integrated with the water softening system.
- the water is either passed directly through the ion exchanger or, after switching the two-way valve, via the salt container and the ion exchanger into the container. So that can due to the relatively short inflow time, the water can be passed through the salt container and the ion exchanger in a simple manner in order to bring about the regeneration of the ion exchanger.
- the flat storage vessel is preferably arranged with a broad side on the rear wall of the container or on a side wall. It can thus be achieved that the rinsing container acts as a condenser. If the storage vessel is filled with cold water immediately after the "Rinse aid" program section in a dishwasher, a large temperature difference with the other surfaces of the container forms on the connection surface. The air-water mixture in the interior of the container condenses on this "condensation surface" as it passes by by natural convection.
- the storage vessel can be provided via an opening with a pipeline which either opens into the container of the machine or into a floor pan arranged below the container. This allows a ventilation, in particular when filling the storage vessel, to be made possible in a simple manner. At the same time, there is overflow protection for every device version in the event of a failure of the feed control.
- the storage vessel is provided with a heating device. This can be done in a simple manner heating the flowing water, z. B. by means of microwave radiation. It is also possible to install a flow heater due to the low flow rate in the drain line.
- the metering valve can be followed by a multi-way valve for supplying chambers containing detergents.
- the cleaner whether in powder, liquid or other form, is pre-dosed and mixed or dissolved with a portion of water from the storage container and thus added to the washing container in a very low-viscosity manner.
- This pre-liquefaction and the control that is also possible with precise timing prevents loss due to the geometry of the shaft tank, which results in better utilization and higher efficiency.
- the dishwasher 10 contains a container 11 for receiving the dishes to be washed. On the back of the container 11, a flat storage vessel 12 is arranged with a broad side adjacent.
- the fresh water is fed to the dishwasher 10 from a fresh water supply 13 via an aqua stop valve 14, a feed line 15 and a so-called free air gap 16.
- a control device which has two reed switches 18, 19 and a float 20.
- a metering valve 21 is arranged in a drain line 22 below the storage vessel 12.
- the metering valve contains an unrecognizable orifice.
- the opening position of the metering valve 21 can be limited in time by a timer of a program control device 23.
- With 24 is a two-way valve downstream of the metering valve 21, which is followed by a water softening system with a salt container 25 and an ion exchanger 25.
- the ion exchanger 26 opens with a line 27 into the container 11 of the dishwasher 10.
- the device works in such a way that the timer 14 of the program control device 23 first activates the inlet valve 14 for program reasons, so that Storage vessel 12 is filled via the feed line 15 and the free air gap 16.
- the filling volume of the storage vessel 12 is determined via a level regeneration by means of the float 20 and the reed switches 18, 19.
- the static height 17 can thus be kept with a small tolerance.
- the metering valve 21 is controlled by the timer of the program control device 23 and kept open by fixed times.
- the water flowing through it is led either directly through the ion exchanger 26 via the line 27 or through the salt container 25 and the ion exchanger 26 via the line 27 into the container 11.
- This function sequence makes it possible to design a time control that is independent of the pre-pressure (line pressure), that is to say the time inflow.
- this acts as a condenser, at least when the cold water is connected. If the reservoir 12 is filled immediately after the "rinse aid" program section, a large temperature difference to the other container surfaces forms on the connection surface. The air-water mixture in the interior condenses on this condensation surface as it passes by by natural convection.
- the ventilation of the storage vessel 12 takes place via a pipeline 28 which is connected to the storage vessel 12 and is guided either directly into the container 11 or into a floor pan, not shown, below the container 11.
- the water in the storage vessel 12 can also be heated by a heating device, not shown.
- metering valve 21 is controlled in accordance with the then effective program sequence.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Textile Engineering (AREA)
- Washing And Drying Of Tableware (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4019047A DE4019047A1 (de) | 1990-06-15 | 1990-06-15 | Zulaufmengensteuerung fuer spuel- und waschgeraete |
DE4019047 | 1990-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0461722A1 true EP0461722A1 (fr) | 1991-12-18 |
EP0461722B1 EP0461722B1 (fr) | 1996-01-24 |
Family
ID=6408405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91201433A Expired - Lifetime EP0461722B1 (fr) | 1990-06-15 | 1991-06-11 | Réglage de quantité d'alimentation d'eau pour lave-vaisselle et lave-linge |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0461722B1 (fr) |
DE (2) | DE4019047A1 (fr) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0580563A1 (fr) * | 1992-07-22 | 1994-01-26 | SMEG S.p.A. | Dispositif de sécurité pour machines à laver la vaisselles, notamment pour détecter une grande consommation d'eau |
WO2009027371A1 (fr) | 2007-08-31 | 2009-03-05 | BSH Bosch und Siemens Hausgeräte GmbH | Procédé de fonctionnement d'un appareil ménager à circulation d'eau |
EP2489296A3 (fr) * | 2011-02-16 | 2012-11-28 | Miele & Cie. KG | Procédé de remplissage d'un espace de traitement d'un appareil ménager transportant de l'eau |
EP2489299A3 (fr) * | 2011-02-16 | 2012-11-28 | Miele & Cie. KG | Appareil ménager transportant de l'eau doté d'un récipient de stockage |
EP2630905A1 (fr) * | 2012-01-30 | 2013-08-28 | Samsung Electronics Co., Ltd | Dispositif d'adoucissement de l'eau et lave-vaisselle l'utilisant |
US8702874B2 (en) | 2011-02-08 | 2014-04-22 | Electrolux Home Products, Inc. | Method and system for removing a clog from a dishwasher |
US8876980B2 (en) | 2010-06-30 | 2014-11-04 | Electrolux Home Products, Inc. | System and associated method for preventing overfilling in a dishwasher |
EP2845839A1 (fr) * | 2013-09-10 | 2015-03-11 | Samsung Electronics Co., Ltd | Appareil d'adoucissement d'eau |
EP2292138B1 (fr) * | 2009-09-03 | 2016-02-17 | BSH Hausgeräte GmbH | Lave-vaisselle |
EP2229866A3 (fr) * | 2009-03-16 | 2017-01-04 | BSH Hausgeräte GmbH | Lave-vaisselle doté d'un accumulateur d'eau froide |
EP3162268A1 (fr) * | 2015-10-26 | 2017-05-03 | BSH Hausgeräte GmbH | Appareil ménager à circulation d'eau et procédé pour le faire fonctionner |
US11141039B2 (en) | 2017-02-24 | 2021-10-12 | Electrolux Appliances Aktiebolag | Dishwasher, method and control system for handling clogging condition |
CN113529341A (zh) * | 2020-04-21 | 2021-10-22 | 青岛海尔洗衣机有限公司 | 用于洗涤设备的进水量确定方法和洗涤设备 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4238450C2 (de) * | 1992-11-13 | 1995-11-16 | Bosch Siemens Hausgeraete | Programmgesteuerte Haushalt-Geschirrspülmaschine |
KR20220085404A (ko) * | 2020-12-15 | 2022-06-22 | 엘지전자 주식회사 | 식기세척기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH645261A5 (de) * | 1979-11-24 | 1984-09-28 | Bosch Siemens Hausgeraete | Enthaertungseinrichtung, insbesondere fuer geschirrspuelmaschinen. |
DE3446288A1 (de) * | 1984-12-19 | 1986-06-19 | Licentia Gmbh | Verfahren und anordnung zur programmsteuerung einer waschmaschine |
EP0205788A1 (fr) * | 1985-06-26 | 1986-12-30 | Bosch-Siemens HausgerÀ¤te GmbH | Lave-vaisselle ménager |
DE3744558A1 (de) * | 1986-12-31 | 1988-07-14 | Samsung Electronics Co Ltd | Steuerschaltung fuer eine geschirrspuelmaschine |
DE3732452A1 (de) * | 1987-09-25 | 1989-04-20 | Bosch Siemens Hausgeraete | Programmgesteuerte haushalt-geschirrspuelmaschine |
-
1990
- 1990-06-15 DE DE4019047A patent/DE4019047A1/de not_active Withdrawn
-
1991
- 1991-06-11 EP EP91201433A patent/EP0461722B1/fr not_active Expired - Lifetime
- 1991-06-11 DE DE59107295T patent/DE59107295D1/de not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH645261A5 (de) * | 1979-11-24 | 1984-09-28 | Bosch Siemens Hausgeraete | Enthaertungseinrichtung, insbesondere fuer geschirrspuelmaschinen. |
DE3446288A1 (de) * | 1984-12-19 | 1986-06-19 | Licentia Gmbh | Verfahren und anordnung zur programmsteuerung einer waschmaschine |
EP0205788A1 (fr) * | 1985-06-26 | 1986-12-30 | Bosch-Siemens HausgerÀ¤te GmbH | Lave-vaisselle ménager |
DE3744558A1 (de) * | 1986-12-31 | 1988-07-14 | Samsung Electronics Co Ltd | Steuerschaltung fuer eine geschirrspuelmaschine |
DE3732452A1 (de) * | 1987-09-25 | 1989-04-20 | Bosch Siemens Hausgeraete | Programmgesteuerte haushalt-geschirrspuelmaschine |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0580563A1 (fr) * | 1992-07-22 | 1994-01-26 | SMEG S.p.A. | Dispositif de sécurité pour machines à laver la vaisselles, notamment pour détecter une grande consommation d'eau |
WO2009027371A1 (fr) | 2007-08-31 | 2009-03-05 | BSH Bosch und Siemens Hausgeräte GmbH | Procédé de fonctionnement d'un appareil ménager à circulation d'eau |
US8858719B2 (en) | 2007-08-31 | 2014-10-14 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Method for the operation of a water-conducting household appliance |
EP2229866A3 (fr) * | 2009-03-16 | 2017-01-04 | BSH Hausgeräte GmbH | Lave-vaisselle doté d'un accumulateur d'eau froide |
EP2292138B1 (fr) * | 2009-09-03 | 2016-02-17 | BSH Hausgeräte GmbH | Lave-vaisselle |
US9565987B2 (en) | 2010-06-30 | 2017-02-14 | Electrolux Home Products, Inc. | System and associated method for preventing overfilling in a dishwasher |
US8876980B2 (en) | 2010-06-30 | 2014-11-04 | Electrolux Home Products, Inc. | System and associated method for preventing overfilling in a dishwasher |
US10178936B2 (en) | 2010-06-30 | 2019-01-15 | Electrolux Home Products, Inc. | System and associated method for preventing overfilling in a dishwasher |
US8702874B2 (en) | 2011-02-08 | 2014-04-22 | Electrolux Home Products, Inc. | Method and system for removing a clog from a dishwasher |
EP2489296A3 (fr) * | 2011-02-16 | 2012-11-28 | Miele & Cie. KG | Procédé de remplissage d'un espace de traitement d'un appareil ménager transportant de l'eau |
EP2489299A3 (fr) * | 2011-02-16 | 2012-11-28 | Miele & Cie. KG | Appareil ménager transportant de l'eau doté d'un récipient de stockage |
US9241605B2 (en) | 2011-02-16 | 2016-01-26 | Miele & Cie. Kg | Water-using household appliance having a storage container |
EP2630905A1 (fr) * | 2012-01-30 | 2013-08-28 | Samsung Electronics Co., Ltd | Dispositif d'adoucissement de l'eau et lave-vaisselle l'utilisant |
US9861253B2 (en) | 2013-09-10 | 2018-01-09 | Samsung Electronics Co., Ltd. | Water softening apparatus, dishwasher having the same and control method thereof |
EP2845839A1 (fr) * | 2013-09-10 | 2015-03-11 | Samsung Electronics Co., Ltd | Appareil d'adoucissement d'eau |
EP3162268A1 (fr) * | 2015-10-26 | 2017-05-03 | BSH Hausgeräte GmbH | Appareil ménager à circulation d'eau et procédé pour le faire fonctionner |
US11141039B2 (en) | 2017-02-24 | 2021-10-12 | Electrolux Appliances Aktiebolag | Dishwasher, method and control system for handling clogging condition |
CN113529341A (zh) * | 2020-04-21 | 2021-10-22 | 青岛海尔洗衣机有限公司 | 用于洗涤设备的进水量确定方法和洗涤设备 |
CN113529341B (zh) * | 2020-04-21 | 2024-01-02 | 合肥海尔洗衣机有限公司 | 用于洗涤设备的进水量确定方法和洗涤设备 |
Also Published As
Publication number | Publication date |
---|---|
DE59107295D1 (de) | 1996-03-07 |
EP0461722B1 (fr) | 1996-01-24 |
DE4019047A1 (de) | 1991-12-19 |
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