EP2693930A1 - Verfahren und vorrichtung zur detektion eines wasserwechsels in einem wasserführenden haushaltsgerät, insbesondere einer geschirrspülmaschine - Google Patents
Verfahren und vorrichtung zur detektion eines wasserwechsels in einem wasserführenden haushaltsgerät, insbesondere einer geschirrspülmaschineInfo
- Publication number
- EP2693930A1 EP2693930A1 EP12708003.4A EP12708003A EP2693930A1 EP 2693930 A1 EP2693930 A1 EP 2693930A1 EP 12708003 A EP12708003 A EP 12708003A EP 2693930 A1 EP2693930 A1 EP 2693930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- temperature
- dishwasher
- sec
- time interval
- 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
- 238000000034 method Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000002360 preparation method Methods 0.000 claims description 53
- 239000003599 detergent Substances 0.000 claims description 17
- 238000004851 dishwashing Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 9
- 102000004190 Enzymes Human genes 0.000 claims description 5
- 108090000790 Enzymes Proteins 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 description 10
- 230000002255 enzymatic effect Effects 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 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
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0055—Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration
-
- 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
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
-
- 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
- A47L15/006—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using wireless communication between internal components of the machine
-
- 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
-
- 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
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4445—Detachable 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
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4463—Multi-dose dispensing 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
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4472—Blister packaging or refill cartridges
-
- 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
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/449—Metering controlling 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
- 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
- A47L2401/06—Water supply, circulation or discharge information
-
- 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
- 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
- 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
- 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
Definitions
- the invention relates to a method and a device for detecting a water change in a water-conducting household appliance, in particular a dishwasher.
- Such metering devices work relatively reliably, as long as they are operated within typical and static washing programs.
- Rinsing section can lead in an automatic program. Since, in such a case, the rinse aid preparation is not available in the final-rinse program, since a water rinse usually occurs before a rinse-aid section within a rinse program, the resulting rinse result is generally not optimal.
- the object of the invention is therefore to provide a method and a device with which a water change, in particular before a final rinse section within a washing program, can be detected.
- water-conducting household appliance in particular a dishwasher, comprises a sensor for detecting water, a sensor for detecting the temperature and a control unit for processing the sensor data, wherein the method comprises the following steps
- step (c.) Detection of the temperature in a time interval ZI T 3 of 2-120 sec, preferably 5-60 sec, more preferably 10-30 sec wherein the process step (d.) Is carried out when at least two, preferably at least three successive following within the time interval ZI T 3 lying temperature measuring intervals ZI T, 4 the temperature at the beginning of the measuring interval ZI T 3 is greater than the temperature T 2 at the end of the
- step (d.) carrying out the method step (e.) if less than two minutes lie between the detection of water according to method step (b.) and the at least three successive detection of a negative temperature gradient according to method step (c.), (e.) generating a control signal by the control unit due to a detected water change according to the method steps (a.) to (d.).
- control signal causes the dosing of a rinse aid preparation into the interior of a dishwasher after a detected water change. This ensures, in particular, that at the end of an automatic program, a rinse aid preparation is metered into the final-rinse program section.
- the method with the method steps (a.) - (e.) Is carried out only after at least a first dishwashing detergent preparation, preferably an enzyme-containing dishwashing detergent preparation, was released into the interior of the dishwasher, wherein the release of at least first dishwashing detergent preparation takes place if at least one temperature> 25 °, preferably> 29 ° C and the presence of water was detected.
- a first dishwashing detergent preparation preferably an enzyme-containing dishwashing detergent preparation
- the preparations which are metered into the rinsing process are different from one another, it being especially advantageous that the preparations dosed at the beginning of the rinsing process and the preparations added after the detection of a water change are different from each other.
- the method with the method steps (a.) - (e.) Is carried out after after the release of the first
- Dishwashing detergent preparation at least one second dishwashing detergent preparation, preferably an alkaline dishwashing detergent preparation, into the interior of the dishwashing detergent preparation
- the present invention further relates to a device for dosing a rinse aid preparation in the interior of a dishwasher comprising a sensor for detecting water, a sensor for detecting the temperature, a control unit for processing the Sensor data wherein the control unit is configured to carry out the method according to the invention.
- the metering device is preferably free of a user in the interior of a
- the device comprises a cartridge with at least one chamber in which at least one rinse aid preparation is stored.
- the metering device comprises a metering device with a detachable or non-detachably coupled to the metering cartridge, which at least one chamber with a
- Dishwashing detergent preparation has.
- the control unit necessary for carrying out the method according to the invention and at least one sensor for detecting water and a sensor for detecting the temperature are integrated in the dosing device.
- an actuator for releasing a dishwashing detergent preparation and / or an energy source are also arranged on or in the dosing device.
- the metering device preferably has at least one sensor for detecting water and a sensor for detecting the temperature.
- the temperature sensor is designed in particular for detecting a water temperature.
- the metering device comprises a sensor for detecting the conductivity, whereby in particular the presence of water or the spraying of water, in particular in a dishwasher, is detected.
- the sensor unit comprises at least one, at least 2-pole conductivity sensor.
- at least two poles of the conductivity sensor have a distance of 2-25 mm, preferably 5-15 mm, particularly preferably about 12 mm.
- Conductive sensors are coated with an electrically conductive silicone, wherein it is particularly preferable that a substantially planar surface between the silicone and a outer Dosier confuseober Structure is formed. Due to the elastomeric properties of the conductive silicone, the sensor can be sealed in a simple and effective manner with respect to the environment and embedded in a housing wall of the dosing device.
- At least two sensor units are provided for measuring mutually different parameters, wherein very particularly preferably a sensor unit is a conductivity sensor and a further sensor unit is a temperature sensor.
- the sensors are especially adapted to detect the beginning, the course and the end of a washing program.
- the sensor combinations listed in the following table can be used
- the conductivity sensor can be detected, for example, whether the
- Conductivity sensor is wetted by water, so that, for. determine if there is water in the dishwasher.
- the conductance or conductivity sensor can consist of an electrically conductive anode and a cathode, which protrude from the housing of the metering device into the interior of the dishwasher or are electrically conductively connected to the interior of the dishwasher.
- the distance of the anode and cathode is selected so that in the operation of the
- Dishwasher can form an electrically conductive water bridge between the anode and cathode, which can be measured by a drop in Wderstandes between the anode and cathode.
- Rinsing programs generally have a characteristic temperature profile, which is determined inter alia by the heating of the rinse water and the drying of the dishes, which can be detected by a temperature sensor.
- At least one sensor unit is arranged on or in the control unit.
- a control unit in the sense of this application is a device that is suitable, the
- control unit influences actuators by means of control signals with the aid of information, in particular of measuring signals of the sensor unit, which processes them in the sense of the control target.
- control unit may be a programmable microprocessor.
- control unit may be a programmable microprocessor.
- control unit is on the
- Microprocessor stored a plurality of dosing programs.
- the control unit has in a preferred embodiment, no connection to
- control unit is coupled to the existing control of the household appliance.
- this coupling is wireless.
- the control of the dishwasher control signals to the metering device for dispensing certain preparations and
- Dosing quantities are sent. It is also conceivable that when it comes to interfacing with the control of the dosing device in the coupling of the control of the dishwasher, for example, to a
- the delivery of preparations from the dosing device can be done sequentially or simultaneously.
- Preparation is released, wherein the release of the enzyme-containing preparation preferably takes place prior to the release of the alkaline preparation. Furthermore, it is preferred that the dosing of the rinse aid takes place in the rinse aid program of the dishwasher, wherein the rinse aid program is recognized by a water change according to the inventive method described here.
- a discontinuous, discrete Tderstands tone the conductivity sensor and preferably also on
- a metering device consisting of a positionable metering device 2 with a two-chamber cartridge 1 in the dish drawer 1 1 with the dishwasher door 39 of a dishwasher 38 open.
- a control unit In the metering device 2, a control unit, a
- the dosing device 2 with the cartridge 1 is in principle positionable anywhere within the dish drawer 1 1, wherein it is advantageous, a dish-shaped or cup-shaped dosing 1, 2 in a corresponding plate or cup receptacle of the dish drawer. 1 1 provide.
- a metering chamber 53 In the dishwasher door 39 is a metering chamber 53 into which a
- Dishwasher cleaner preparation can be given, for example in the form of a tablet. It is advantageous in this embodiment of the invention that when the positionable dosing system 1, 2 in the lower or upper (not shown) dish drawer 1 1, the delivery of the preparations 40a, 40b from the cartridge 1 directly over the bottom of the dispenser arranged outlet openings in the Rinse water liquor is done so that a quick solution and uniform distribution of the rinse formulations is guaranteed in the wash program. Furthermore, this ensures that the conductivity sensor, in the operating position of the dosing device shown in the direction of gravity on the bottom side on the dosing arranged in the operation of the dishwasher, a direct spraying of the conductivity sensor with rinse water is effected by a spray arm and the control unit and the
- Conductivity sensor are configured such that a discontinuous, discrete
- Resistance measurement on the conductivity sensor and preferably also on the temperature sensor is made.
- FIG. 2 shows an exemplary embodiment of the method according to the invention in the form of a flowchart, wherein the method comprises the following steps
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12708003T PL2693930T3 (pl) | 2011-07-20 | 2012-03-06 | Sposób oraz urządzenie do wykrywania wymiany wody w sprzęcie gospodarstwa domowego prowadzącym wodę, w szczególności zmywarce do naczyń |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011079488A DE102011079488A1 (de) | 2011-07-20 | 2011-07-20 | Verfahren und Vorrichtung zur Detektion eines Wasserwechsels in einem wasserführenden Haushaltsgerät, insbesondere einer Geschirrspülmaschine |
PCT/EP2012/053784 WO2013010682A1 (de) | 2011-07-20 | 2012-03-06 | Verfahren und vorrichtung zur detektion eines wasserwechsels in einem wasserführenden haushaltsgerät, insbesondere einer geschirrspülmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2693930A1 true EP2693930A1 (de) | 2014-02-12 |
EP2693930B1 EP2693930B1 (de) | 2016-10-05 |
Family
ID=45812767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12708003.4A Active EP2693930B1 (de) | 2011-07-20 | 2012-03-06 | Verfahren und vorrichtung zur detektion eines wasserwechsels in einem wasserführenden haushaltsgerät, insbesondere einer geschirrspülmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US20140130831A1 (de) |
EP (1) | EP2693930B1 (de) |
DE (1) | DE102011079488A1 (de) |
ES (1) | ES2608587T3 (de) |
HU (1) | HUE031426T2 (de) |
PL (1) | PL2693930T3 (de) |
WO (1) | WO2013010682A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9538901B2 (en) | 2014-11-20 | 2017-01-10 | The Procter & Gamble Company | Composition dispensing device for an automatic dishwasher |
US9706897B2 (en) * | 2014-11-20 | 2017-07-18 | The Procter & Gamble Company | Personalized cleaning composition dispensing device |
ITUB20154180A1 (it) * | 2015-10-02 | 2017-04-02 | Pierluigi Rossi | Erogatore automatico |
FR3048363A1 (fr) | 2016-03-04 | 2017-09-08 | Oreal | Article cosmetique electrique a pile repositionnable |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4163519B2 (ja) * | 2001-05-14 | 2008-10-08 | ザ プロクター アンド ギャンブル カンパニー | 洗浄製品 |
US6955067B2 (en) * | 2002-03-28 | 2005-10-18 | The Procter & Gamble Company | Smart dosing device |
DE102009002693A1 (de) | 2008-07-15 | 2010-01-21 | Henkel Ag & Co. Kgaa | Dosiersystem |
DE102009044960A1 (de) * | 2009-09-24 | 2011-03-31 | Henkel Ag & Co. Kgaa | Verfahren und System zur Detektion der Rotation eines Sprüharms in einer Geschirrspülmaschine |
DE102010002750A1 (de) | 2010-03-11 | 2011-10-06 | Henkel Ag & Co. Kgaa | Verfahren zur Steuerung eines im Inneren eines wasserführenden Haushaltsgeräts positionierbaren Dosiersystems |
-
2011
- 2011-07-20 DE DE102011079488A patent/DE102011079488A1/de not_active Withdrawn
-
2012
- 2012-03-06 PL PL12708003T patent/PL2693930T3/pl unknown
- 2012-03-06 EP EP12708003.4A patent/EP2693930B1/de active Active
- 2012-03-06 HU HUE12708003A patent/HUE031426T2/en unknown
- 2012-03-06 ES ES12708003.4T patent/ES2608587T3/es active Active
- 2012-03-06 WO PCT/EP2012/053784 patent/WO2013010682A1/de active Application Filing
-
2014
- 2014-01-21 US US14/159,918 patent/US20140130831A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2013010682A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2693930B1 (de) | 2016-10-05 |
HUE031426T2 (en) | 2017-07-28 |
ES2608587T3 (es) | 2017-04-12 |
PL2693930T3 (pl) | 2017-07-31 |
US20140130831A1 (en) | 2014-05-15 |
WO2013010682A1 (de) | 2013-01-24 |
DE102011079488A1 (de) | 2013-01-24 |
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