EP2544578A1 - Verfahren zur steuerung eines im inneren eines wasserführenden haushaltsgeräts positionierbaren dosiersystems - Google Patents
Verfahren zur steuerung eines im inneren eines wasserführenden haushaltsgeräts positionierbaren dosiersystemsInfo
- Publication number
- EP2544578A1 EP2544578A1 EP10745623A EP10745623A EP2544578A1 EP 2544578 A1 EP2544578 A1 EP 2544578A1 EP 10745623 A EP10745623 A EP 10745623A EP 10745623 A EP10745623 A EP 10745623A EP 2544578 A1 EP2544578 A1 EP 2544578A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- preparation
- cartridge
- water
- temperature
- sensor
- 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 57
- 238000002360 preparation method Methods 0.000 claims abstract description 119
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims description 31
- 230000003287 optical effect Effects 0.000 claims description 18
- 102000004190 Enzymes Human genes 0.000 claims description 6
- 108090000790 Enzymes Proteins 0.000 claims description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 101100269674 Mus musculus Alyref2 gene Proteins 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 38
- 239000003599 detergent Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 230000002255 enzymatic effect Effects 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 238000004851 dishwashing Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- VQJMAIZOEPPELO-KYGIZGOZSA-N (1S,2S,6R,14R,15R,16R)-5-(cyclopropylmethyl)-16-(2-hydroxy-5-methylhexan-2-yl)-15-methoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11-trien-11-ol hydrochloride Chemical compound Cl.CO[C@]12CC[C@@]3(C[C@@H]1C(C)(O)CCC(C)C)[C@H]1Cc4ccc(O)c5O[C@@H]2[C@]3(CCN1CC1CC1)c45 VQJMAIZOEPPELO-KYGIZGOZSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005264 electron capture Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012729 immediate-release (IR) formulation Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- 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
- 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
- A47L2401/30—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
Definitions
- the invention relates to a method for controlling a dosing system which can be positioned inside a water-conducting domestic appliance, in particular a dishwasher, having the features of claim 1.
- Dishwashing detergents are available to the consumer in a variety of forms. In addition to the traditional liquid hand dishwashing detergents have with the spread of household dishwashers in particular the machine
- the cleaning agents were preferably added to new ingredients, for example, more effective surfactants, polymers, enzymes or bleach.
- new ingredients for example, more effective surfactants, polymers, enzymes or bleach.
- Detergent amount necessary to carry out a cleaning process, detergent or detergent portions are in automatic or semi-automatic Sampled in the course of several successive cleaning process in the interior of the cleaning machine. For the consumer eliminates the need for manual dosing with each cleaning or washing cycle. Examples of such devices are described in European patent application EP 1 759 624 A2 (Reckitt Benckiser) or in German patent application DE 53 5005 062 479 A1 (BSH Bosch and Siemens Hausmaschine GmbH).
- Rinse program sections such as the beginning of a wash program, the pre-rinse section, the main rinse section, the rinse section and / or the
- the object of the invention is therefore to provide a cost-effective and reliable detection of the beginning of a cleaning program for self-sufficient metering devices of the type described.
- the invention allows the cost-effective detection of the beginning of a cleaning program with technically simple and inexpensive components. In this way, in particular a rapid dosing is ensured at the beginning of a cleaning program in the dishwasher, whereby the longest possible residence time of the respectively dosed dishwasher preparation in the wash liquor can take place. The correspondingly optimized exposure times of the dishwashing preparation finally results in a better cleaning performance.
- Dishwasher positionable dosing system comprises a filled with at least one preparation cartridge, a dosing device that can be coupled to the cartridge, wherein the dosing device at least one temperature sensor and a conductivity sensor, wherein the temperature sensor and / or the conductivity sensor can be arranged in and / or on and / or outside of the dosing, and a release means for releasing a
- Comprising preparation of the cartridge inside the dishwasher comprising the steps of measuring a first temperature Ti in the interior of the dishwasher by means of the temperature sensor and measuring the resistance R at the conductivity sensor, wherein in the presence of the conditions Ti> T Ref , where T Ref is a predefined, first
- Reference temperature is at least 21 ° C, preferably at least 30 ° C and R ⁇ R Ref , where R Ref is a predefined reference resistance, which represents the presence of water at the conductivity sensor, a release of at least one volume V1 of a first preparation from the cartridge takes place inside the dishwasher.
- temperature and conductivity information i.a. prevents the dosing device from initiating an undesired dosing operation in a warm environment, for example, during transportation, which could happen by the sole use of temperature information for controlling the dosing device.
- the measurement of the temperature T-i and of the resistance R at the conductivity sensor can take place in succession or at the same time. It is preferred that first the temperature T-i and subsequently the resistance R is measured. However, it is also conceivable first to measure the resistance R and then the temperature T-i.
- a first volume V1 of a first preparation and a second volume V2 of a second preparation can also be dosed substantially simultaneously, wherein it is particularly preferred that the preparations are different from one another.
- wash program detected.
- the method is in the presence of the
- Condition Ti ⁇ T Re fi a renewed temperature measurement of the first temperature Ti after a predefined time t dif , in particular after 2-10 min, preferably after 3-7 min, more preferably 4-6 min initiated.
- the temperature is preferably measured not continuously, but at predefined time intervals.
- Reference temperature is, which is at least 35 ° C, preferably at least 40 ° C, a measurement of the resistance R at the conductivity sensor takes place and in the presence of the condition R ⁇ R Re f, where R Ref is a predefined reference resistance, the presence of water at the conductivity sensor represents an immediate release of at least one volume V1 of a first preparation from the cartridge into the interior of the dishwasher.
- R Re f is a predefined reference resistance representing the presence of water at the conductivity sensor
- this time interval is less than or equal to the time interval that before the
- the dosing device is switched by shortened monitoring intervals in the measurement of the first temperature Ti in a tightened monitoring mode, so that by the shortened monitoring intervals a timely Detection of water in the dishwasher is enabled.
- Preparations with a time delay. This is the case in particular when dosing two preparations which are not storage-stable with one another.
- a second volume V2 of a second preparation is passed from the cartridge to the inside of the dishwasher, the first preparation being from the second Preparation is different and between the dosage of V1 and V2 a predefined time interval t diff , preferably between 30-300 sec, more preferably between 60-240 sec, most preferably between 60-150 sec.
- the first preparation is an enzyme-containing preparation and the second preparation is an alkaline preparation.
- the metering volume V2 is approximately 1 * V1 to 10 * V1, particularly preferably 2 * V1 to 7 * V1, very particularly preferably 3 * V1 to 5 * V1.
- the method according to the invention further develop in such a way that after the metering of the first volume V1 and the second volume V2, the metering of a third volume V3 of a third preparation from the cartridge takes place inside the dishwasher, the third preparation is different from the first and the second preparation.
- the third preparation is a rinse aid formulation.
- Power source arranged on or in the metering device.
- the dosing device comprises at least a first interface which corresponding in or on a dishwasher
- Interface cooperates in such a way that a transfer of electrical energy and / or signals from the dishwasher to the metering device and / or from the metering device to the dishwasher is realized.
- the interfaces are formed by connectors.
- the interface cells can be designed in such a way that a wireless transmission of electrical energy and / or electrical and / or optical signals is effected.
- the interfaces provided for the transmission of electrical energy are inductive transmitters or receivers of electromagnetic waves.
- the interface of a dishwasher as a transmitter-coil operated with alternating current with iron core and the interface of the dosing device can be designed as a receiver coil with iron core.
- the light emitted by the light source is converted by the light sensor into electrical energy, which in turn, for example, a photodiode or a solar cell comprises.
- the light emitted by the light source is converted by the light sensor into electrical energy, which in turn, for example, a photodiode or a solar cell comprises.
- the light emitted by the light source is converted by the light sensor into electrical energy, which in turn, for example, a
- electromagnetic and / or optical signals which in particular operating condition, measuring and / or control information of the dosing and / or the dishwasher represent trained.
- such an interface can be designed such that a wireless transmission of electrical energy and / or electromagnetic and / or optical signals is effected. It is particularly preferred that the interface is configured to transmit and / or receive optical signals. It is very particularly preferred that the interface is configured to emit or receive light in the visible range. Since darkness usually prevails in the interior of the dishwasher during operation of a dishwasher, signals in the visible, optical region, for example in the form of signal pulses or light flashes, can be emitted and / or detected by the dosing device. It has proven particularly advantageous to use wavelengths between 600-800 nm in the visible spectrum. Alternatively or additionally, it is advantageous that the interface for sending or
- Reception of infrared signals is configured.
- the interface for transmitting or receiving infrared signals in the near infrared range (780nm-3,000nm) is configured.
- the interface comprises at least one LED.
- the interface comprises at least two LEDs. It is also possible according to a further preferred embodiment of the invention to provide at least two LEDs which emit light in a mutually different wavelength. This makes it possible, for example, to define different signal bands on which information can be sent or received.
- At least one LED is an RGB LED whose wavelength is adjustable.
- an LED can be used to define different signal bands that emit signals at different wavelengths.
- light is emitted at a different wavelength during the drying process, during which there is a high level of atmospheric humidity (mist) in the washing compartment, than, for example, during a washing step.
- the dosing device interface may be configured so that the LED is both for
- an optical signal as a signal pulse with a
- Pulse duration between 1 ms and 10 seconds, preferably between 5ms and 100ms
- the interface of the dosing device is configured such that it emits an optical signal with the dishwasher closed and unloaded, that a mean illuminance E between 0.01 and 100 lux, preferably between 0, 1 and 50 lux measured in the causes the Spülraum limiting walls. This illuminance is then sufficient to cause multiple reflections with or on the other Spülraum14n and so possible signal shadows in the washing compartment, in particular in the loading condition of the dishwasher to reduce or prevent.
- the signal transmitted and / or received by the interface is in particular a carrier of information, in particular a control signal or a Signal representing an operating state of the dosing device and / or the dishwasher.
- the optical transmitting unit may be an LED, which preferably emits light in the visible and / or IR range. It is also conceivable to use another suitable optical transmitting unit, e.g. a laser diode, to use. It is particularly preferable to use optical transmission units which emit light in the wavelength range between 600-800 nm.
- the dosing device may comprise at least one optical receiving unit. This makes it possible, for example, that the dosing device can receive signals from an optical transmission unit arranged in the household appliance. This can be realized by any suitable optical receiving unit, such as photocells, photomultipliers, semiconductor detectors, photodiodes,
- Photoresistors, solar cells, phototransistors, CCD and / or CMOS image sensors are also used as photoresistors, solar cells, phototransistors, CCD and / or CMOS image sensors.
- optical receiving unit is suitable for light in
- Wavelength range of 600-800nm to receive
- the signals emitted by the transmitting unit into the surroundings of the metering device may preferably represent information regarding operating conditions or control commands.
- the dosing unit particularly preferably has at least one sensor which is suitable for detecting a temperature.
- the temperature sensor is designed in particular for detecting a water temperature.
- the dosing unit 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 the Dosier Anlagen founded 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. In order to maintain the measurement accuracy even over a large number of measurements, it is advantageous that, after each resistance measurement, a polarity reversal at the 2-pole
- Conductivity sensor takes place, so that no charge excesses can form on the conductivity sensor. It is particularly preferred that at least two sensor units are provided for measuring mutually different parameters, wherein very particularly preferably a sensor unit includes a conductivity sensor and a further sensor unit
- Temperature sensor is.
- 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 may consist of an electrically conductive anode and a cathode, which from the housing of the dosing into the interior of the
- Dishwasher protrude or electrically conductive with the interior of the
- Dishwasher are connected.
- the distance of the anode and cathode is selected so that an electrically conductive water bridge between the anode and cathode can form during operation of the dishwasher, which can be measured by a drop in the resistance 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.
- a temperature sensor By means of a brightness sensor, for example, the light incidence into the interior of a
- Dishwasher be detected when you open the dishwasher door, resulting in e.g. indicates an end to the washing program.
- a turbidity sensor can also be provided. From this it is also possible, for example, to select a dosing program in the dosing device that applies to the determined contamination situation.
- at least one sensor unit it is also possible for at least one sensor unit to be arranged on or in the control unit. For example, it is possible to provide a temperature sensor in the dosing device or directly on the board carrying the control unit, so that the
- Temperature sensor has no direct contact with the environment.
- the sensor unit is arranged at the bottom of the dosing device, wherein in the position of use the bottom of the dosing device is directed downward in the direction of gravity.
- the sensor unit comprises a temperature and / or a conductivity sensor.
- the energy consumers of the metering device To extend the energy consumption of the metering device or the life of the energy source, in particular a battery, the energy consumers of the
- Dosing device in particular the control unit, be included with the inclusion of an on / off switch to the power source and the power source charged only after reaching the on state of the on / off switch wherein a sensor unit forms the on / off switch or connected to this and switches this.
- the sensor unit prefferably has two contacts in contact with the environment at the bottom of the dosing device, in particular configured as contact pins projecting downwards from the bottom, one contact as anode contact and the other contact as cathode contact the power source is connected and that without electrically conductive connection between the contacts of the off-state located on / off switch remains in the off state and when an electrically conductive Connection between the contacts of the off-state on / off switch switches to the on state.
- the on / off switch is provided or combined with a self-holding circuit which ensures latching of the energy supply of the energy consumers after reaching the on state of the on / off switch up to a switch-off signal of the control unit . causes.
- the on / off switch can be designed in particular as a transistor circuit. It is preferable that the transistor of the on / off switch designed as a pnp transistor and the emitter, possibly via a drive circuit, to the supply voltage to the collector, possibly via a drive circuit to ground and to the cathode contact and the base on the one hand, possibly via a drive circuit, to the supply voltage, on the other hand, if necessary via a drive circuit to the anode contact, is connected.
- the drive circuit preferably has at least one drive resistor, which is designed in particular as a resistance voltage divider. It is particularly advantageous that in addition to the on / off sensor unit as a
- Conductance sensor designed sensor unit which has at the bottom of the metering two contacts in contact with the environment below and that the anode contact of the on / off sensor unit is simultaneously the anode contact of the sensor forming the conductivity sensor. This makes it possible to realize an on / off switch and a conductivity sensor in a component, a transistor.
- the sensor unit forming the temperature sensor may be integrated in a contact, in particular the cathode contact, of the sensor unit forming the conductivity sensor.
- the contact of the sensor unit forming the conductivity sensor, which receives the temperature sensor may preferably be designed as a hollow contact pin, in which the temperature sensor of the sensor unit forming the temperature sensor is arranged. It is particularly preferred that the contacts of a bottom side arranged
- Conductive sensors are surrounded by an electrically conductive silicone.
- Conductivity sensor may be formed in particular in the form of a resistance measurement between two spaced-apart, in contact with the environment of the dosing in contact. It is particularly preferred that the silicone is flush-mounted in the bottom of the metering device. Advantageously, this has Silicone on a roughly circular base. The silicone shows a good wettability with water and thus provides good measurement results regarding the detection of water in the dishwasher. In order to avoid a, affecting the sense accuracy, polarization at the contacts of the conductivity sensor when using a DC power source to avoid, it is advantageous, two consecutive resistance measurements on the conductivity sensor, each with different polarity, ie with a permutation of plus and minus pole or anodes - And cathode contact, perform, so that at the contacts no
- a control unit in the sense of this application is a device which is suitable for influencing the transport of material, energy and / or information.
- the control unit influences actuators 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 the possibly existing control of the household appliance. Accordingly, no information, in particular electrical, optical or electromagnetic signals, is exchanged directly between the control unit and the control of the household appliance.
- control unit is coupled to the existing control of the household appliance.
- this coupling is wireless.
- a transmitter on or in a dishwasher, preferably on or at the door in the dishwasher
- a dosing chamber Positioning a dosing chamber that wirelessly transmits a signal to the dosing unit, when the control of the household appliance causes the dosage of, for example, a detergent from the dosing chamber or rinse aid.
- the control unit can be several programs to release different
- the dosage takes place in a sufficiently short time to ensure a good cleaning result and on the other hand, the preparation is not dosed so quickly that gels of the preparation surge occur.
- This can be realized, for example, by an interval-like release, whereby the individual metering intervals are set in such a way that the corresponding metered amount dissolves completely during a cleaning cycle.
- the metering intervals for dispensing a preparation are between 30-90 seconds, particularly preferably 45-75 seconds.
- the delivery of preparations from the dosing device can be done sequentially or simultaneously. It is particularly preferred to dose a plurality of preparations sequentially in a rinsing program. In particular, the following metering sequences are to be preferred
- Dishwasher is released at least one enzyme-containing preparation and / or alkaline preparation, wherein the release of the enzyme-containing preparation preferably takes place before the release of the alkaline preparation. Furthermore, it is preferred that the dosage of the rinse aid takes place in the final-rinse program of the dishwasher.
- data such as e.g. Control and / or dosing programs of the control unit or stored by the control unit operating parameters or protocols from the control unit read or in the
- Control unit to be loaded This can be realized for example by means of an optical interface, wherein the optical interface is correspondingly connected to the control unit.
- the data to be transmitted are then coded and transmitted or received as light signals, in particular in the visible range, the wavelength range between 600-800 nm being preferred.
- a dosing device it is also possible to use a dosing device
- a conductivity sensor which are connected to the control unit and the conductivity determination by means of a
- Resistance measurement at the contacts of the conductivity sensor provides, for
- Data transmission can be used.
- a cartridge is understood to mean a packaging material which is suitable for enveloping or holding together at least one flowable, free-flowing or dispersible preparation and which can be coupled to a metering device for dispensing at least one preparation.
- the cartridge has a preferably rigid chamber for storing a preparation.
- a cartridge can also comprise a plurality of chambers which can be filled with mutually different compositions.
- the cartridge is designed in particular for receiving flowable detergents or cleaning agents. Particularly preferably, such a cartridge has a plurality of
- all preparations are flowable, as this ensures rapid dissolution of the preparations in the washing liquor of the dishwasher, whereby these preparations a rapid to immediate cleaning or rinsing, especially on the walls of the washing compartment and / or a Achieve light guide of the cartridge and / or the dosing device.
- the cartridge preferably has three chambers.
- one chamber contains an alkaline cleaning preparation, another chamber an enzymatic preparation and a third chamber a rinse aid, wherein the
- the chamber containing the alkaline cleaning preparation preferably has the largest filling volume of the existing chambers.
- the chambers, which store an enzymatic preparation or a rinse aid have approximately equal filling volumes.
- the cartridge comprises a cartridge bottom, which in the position of use in
- Direction of gravity is directed downward and at the preferred for each chamber at least one arranged in the direction of gravity bottom outlet opening is provided.
- the outlet openings arranged on the bottom side are in particular designed such that at least one, preferably all, outlet openings are connected to the inlet openings of the outlet openings Metering device are communicatively connected, so preparation via the outlet openings from the cartridge in the metering device, preferably gravitational effects, can flow.
- one or more chambers have a not arranged in the direction of gravity bottom outlet opening. This is particularly advantageous if, for example, a fragrance is to be delivered to the environment of the cartridge.
- Fig. 1 Positioning of the dosing device in a dishwasher
- Fig. 2 Positioning of the dosing device in a dish rack
- Fig. 4 flowchart for the dosing process for the delivery of a preparation
- Fig. 5 flow chart for the dosing process for the staggered delivery of two preparations
- Fig. 6a flowchart for the dosing process for the staggered delivery of three preparations
- FIG. 1 shows a positionable dosing device 2 with a two-chamber cartridge 1 in the dish drawer 1 1 with the dishwasher door 39 open
- Dishwasher 38 The control unit and the conductivity sensor are arranged in the dosing device. It can be seen that 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.
- 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.
- 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 is arranged in the lower or upper (not shown)
- Dishes drawer 1 1 the delivery of the preparations 40a, 40b from the cartridge 1 directly via the bottom of the dispenser arranged outlet openings in the rinsing water liquor takes place, so that a quick solution and uniform distribution of the rinse in the wash program is guaranteed. Furthermore, this ensures that the
- Gravity direction is arranged on the bottom side of the metering device, during 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 at
- FIG. 2 shows the possible arrangement of the dosing device in the dish rack of a dishwasher.
- Figure 2 shows the coupled with a cartridge 1 dosing device 2 in the plate receptacle 1 10 a dish drawer 41.
- the usually grid-like trained drawer tray 41 has struts 109 into which the fixing means 108 of the dosing device 2 engage. In this way, a lateral slipping of the dosing device 2, for example, when pulling out or pushing the dish drawer 41 into the dishwasher 38, avoided.
- the conductivity sensor in the operating position shown in the dosing in
- Gravity direction is arranged on the bottom side of the metering device, during operation of the
- Dishwasher direct spraying of the conductivity sensor with rinse water is effected by a spray arm.
- the metering device 2 has on the bottom side a conductivity sensor 5 with an anode and cathode protruding from the bottom of the metering device 2, which can also be clearly seen in FIG.
- the conductivity sensor 5 is as shown in FIG. 1 and FIG.
- the control unit (not visible) arranged in the dosing device 2 and the conductivity sensor 5 are configured such that a discontinuous, discrete resistance measurement is carried out on the conductivity sensor 5.
- the control unit is designed as, in particular programmable microcontroller.
- the frequency of the resistance measurement is adjusted via the control unit so that it corresponds to at least the maximum rotational frequency of a spray arm inside the dishwasher.
- the frequency of the resistance measurement is selected so that at least 100, preferably at least 200, resistance measurements are made on the conductivity sensor per second.
- FIG. 4 shows a flowchart for the method according to the invention for controlling a dosing system which can be positioned inside a dishwasher for dispensing a preparation inside the dishwasher.
- the illustrated method makes it possible to detect the start of a rinsing cycle in the interior of a dishwasher with the aid of a dosing system which can be positioned inside the dishwasher and to deliver a volume V1 of a first preparation to the interior of the dishwasher.
- the start of the method can be initiated for example by a manually operated or automatic switch or button.
- a switch or push-button triggering the coupling of the cartridge and the metering device.
- a first counter n v1 representing the number of doses of volume V1 of a first preparation be reset to zero before or at the start of the process.
- Temperature monitoring detects a temperature rise in the dishwasher, which causes the beginning of a rinsing cycle, which is usually associated with an increase in the temperature in the dishwasher. First of all, therefore, after the start, a measurement (i) of a first temperature T-i in the interior of the dishwasher by means of the
- Temperature sensor performed. If the measured temperature Ti is less than a first reference temperature (i.1), which is preferably at least 21 ° C., particularly preferably at least 30 ° C., a renewed measurement of the temperature Ti is initiated after a time interval, the corresponding time interval between 1 Minute and 10 minutes, preferably between 2 and 5 minutes. To the energy consumption for this
- the temperature is preferably not measured continuously, but discretely at predefined time intervals.
- Resistance R at the conductivity sensor determined. If the measured resistance R is greater than a predefined reference resistance R re f (ii.1), which represents the presence of water on the conductance sensor, then after a time interval that is preferably between 30 sec and 10 minutes, particularly preferably between 45 sec and 3 Min., Initiated a new measurement of the temperature Ti (i). However, the measured resistance R (ii.a) is less than the predefined one
- Reference resistance R re f (ii.2), which represents the presence of water on the conductivity sensor, so after a time interval t diff , which is preferably between 30 sec and 2 min, a second temperature T 2 is measured by means of the temperature sensor. Is between the measurement of the first temperature Ti and the second temperature T 2 no sufficient increase in temperature ⁇ - ⁇ + ⁇ (ii.2.1), where ⁇ is within the limits of
- Function interval (0.5 [° C / min] * t diff [min]) to (5 [° C / min] * t diff [min]) is carried out, then, after a time interval t diff , preferably between 30 sec and 10 minutes, more preferably between 45 seconds and 3 minutes, a new measurement of the temperature Ti (i) initiated.
- Dishwasher initiated by a corresponding dispensing means of the dosing and a first counter ni representing the number of doses of the volume V1 is increased by one (ii.2.2.1). If the number of doses is below a defined one
- n V i, m ax (ii-2.2.1.2), where ni, m ax preferably between 2 and 50, particularly preferably between 5 and 35, most preferably between 10 and 30, the cartridge still has a for a further dosage sufficient filling volume of a first preparation and it takes place after a time interval t diff , which is preferably between 30 sec and 10 minutes, more preferably between 45 sec and 3 min, a new measurement of the temperature Ti (i). If the counter has, however, the maximum number ni ni, m ax reached (ii.2.2.1.1), the procedure is terminated. A start of the method can then be initiated, for example, by inserting a new, filled cartridge, in which case the counter ni is reset to zero.
- the temperature rise of the measured temperature Ti (i) in the dishwasher is so great after a time interval t diff (i.1) that a second reference temperature T Ref2 , which is greater than the first reference temperature T Ref , is exceeded (i.3).
- the second reference temperature T Re f2 is between 35 ° C and 45 ° C, more preferably between 37 ° C and 42 ° C.
- a resistance measurement R (ii.b) is performed, wherein for a measured resistance R (ii.b) which is less than the predefined reference resistance R re f (i.3.2), which represents the presence of water at the conductivity sensor
- Dishwasher initiated by a corresponding dispensing means of the dosing and the first counter n i, which represents the number of doses of the volume V1, increased by one (i.3.2.1). If the number of doses is below the defined one
- Conductance sensor is carried out to electron capture by ion clouds of the
- FIG. 5 shows a flow diagram for a metering method for the staggered delivery of two mutually different preparations. As can be seen from FIG. 5, the method sequence initially corresponds essentially to the method sequence for metering a preparation known from FIG. 4.
- t diff (iii.1), which is preferably between 30 sec and 10 minutes, particularly preferably between 45 sec and 5 min, very particularly preferably between 1 min and 3 min, occurs after a time interval , the dosing of a second volume (iii.2) of a second preparation which is different from the first preparation.
- the first preparation is an enzyme-containing preparation and the second preparation is an alkaline preparation.
- the metering volume V2 in about 1 * V1 to 10 * V1, more preferably 2 * V1 to 7 * V1, most preferably 3 * V1 to 5 * V1.
- V2 it is advantageous that for the metering of V2 multiple subsets of V2 are metered to come to the target volume V2, wherein it is particularly preferred that the metered subsets are equal and V1 or a multiple of V1 amount.
- a time interval without product delivery can lie between the metering of the partial quantities, wherein the time interval is selected such that the floating of the floating body in the predosing chamber is ensured.
- n V 2 which represents the number of doses of the volume V2
- n V 2 max preferably between 2 and 50, particularly preferably between 5 and 35, very particularly preferably between 10 and 30 and corresponds to Particularly advantageously, the defined maximum number ni, m ax of the dosages of V1, so has the
- FIGS. 6a and 6b A flow diagram for a dosing process for the staggered delivery of three mutually different preparations is shown in FIGS. 6a and 6b.
- the method sequence initially corresponds to the method sequence known from FIG. 5 for the time-delayed addition of two preparations.
- step (iii.3.2) a renewed measurement of the temperature Ti (i) is not initiated, but rather the
- Process step (iv) carried out, for example, by dosing a rinse aid preparation after a predefined time.
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10745623T PL2544578T3 (pl) | 2010-03-11 | 2010-08-23 | Sposób sterowania układu dozującego umieszczalnego we wnętrzu prowadzącego wodę urządzenia gospodarstwa domowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010002750A DE102010002750A1 (de) | 2010-03-11 | 2010-03-11 | Verfahren zur Steuerung eines im Inneren eines wasserführenden Haushaltsgeräts positionierbaren Dosiersystems |
PCT/EP2010/062238 WO2011110246A1 (de) | 2010-03-11 | 2010-08-23 | Verfahren zur steuerung eines im inneren eines wasserführenden haushaltsgeräts positionierbaren dosiersystems |
Publications (2)
Publication Number | Publication Date |
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EP2544578A1 true EP2544578A1 (de) | 2013-01-16 |
EP2544578B1 EP2544578B1 (de) | 2014-05-07 |
Family
ID=42941925
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Application Number | Title | Priority Date | Filing Date |
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EP10745623.8A Active EP2544578B1 (de) | 2010-03-11 | 2010-08-23 | Verfahren zur steuerung eines im inneren eines wasserführenden haushaltsgeräts positionierbaren dosiersystems |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130061889A1 (de) |
EP (1) | EP2544578B1 (de) |
DE (1) | DE102010002750A1 (de) |
ES (1) | ES2487624T3 (de) |
PL (1) | PL2544578T3 (de) |
WO (1) | WO2011110246A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011079488A1 (de) | 2011-07-20 | 2013-01-24 | Henkel Ag & Co. Kgaa | Verfahren und Vorrichtung zur Detektion eines Wasserwechsels in einem wasserführenden Haushaltsgerät, insbesondere einer Geschirrspülmaschine |
GB2496857A (en) | 2011-11-22 | 2013-05-29 | Reckitt & Colman Overseas | A method and device for dispensing detergent in a washing machine |
GB201300362D0 (en) * | 2013-01-09 | 2013-02-20 | Reckitt Benckiser Uk Ltd | Low cost senor system |
US10028635B2 (en) | 2013-04-24 | 2018-07-24 | Whirlpool Corporation | Methods for dispensing a treating chemistry in a dishwasher |
AT514640B1 (de) * | 2013-07-22 | 2015-05-15 | Hagleitner Hans Georg | Messvorrichtung zur Erfassung wenigstens eines Parameters einer Flüssigkeit |
DE102015226572A1 (de) * | 2015-12-22 | 2017-06-22 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät und Verfahren zum Betreiben eines wasserführenden Haushaltsgeräts |
DE102016225854A1 (de) * | 2016-12-21 | 2018-06-21 | Henkel Ag & Co. Kgaa | Nachrüstbare Sensoreinheit zur Steuerung einer Dosiervorrichtung |
EP3839977B1 (de) | 2019-12-19 | 2023-08-02 | Henkel AG & Co. KGaA | Verfahren zur fernsteuerung eines reinigungszyklus eines haushaltsgerätes |
TR202022460A2 (tr) * | 2020-12-30 | 2022-07-21 | Arçeli̇k Anoni̇m Şi̇rketi̇ | Dezenfeksi̇yon i̇şlemi̇ sağlayan bi̇r bulaşik maki̇nesi̇ |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9302722D0 (en) * | 1993-02-11 | 1993-03-24 | Brightwell Dispensers Ltd | Improvements in dosing systems |
US5826749A (en) * | 1996-02-22 | 1998-10-27 | Nova Controls | Multiplexed system for dispensing multiple chemicals to multiple destinations |
GB9606046D0 (en) * | 1996-03-22 | 1996-05-22 | Chem Controls Ltd | Dosing control apparatus |
US20020088502A1 (en) * | 2000-10-04 | 2002-07-11 | Van Rompuy Tanya Cecile Corneel | Smart dosing device |
GB2386129B (en) | 2002-03-06 | 2004-12-01 | Reckitt Benckiser Nv | Detergent dosing device |
US6819977B2 (en) * | 2002-12-24 | 2004-11-16 | Ecolab Inc. | Dispenser having multiple modes of operation |
US20070044820A1 (en) * | 2005-08-30 | 2007-03-01 | Johnsondiversey, Inc. | Automatically configurable chemical dispensing system for cleaning equipment |
DE102005062479A1 (de) | 2005-12-27 | 2007-07-05 | BSH Bosch und Siemens Hausgeräte GmbH | Dosiervorrichtung für die Zugabe eines Zuschlagmittels in einen Behandlungsraum und Geschirrspülmaschine mit einer Dosiervorrichtung |
-
2010
- 2010-03-11 DE DE102010002750A patent/DE102010002750A1/de not_active Withdrawn
- 2010-08-23 EP EP10745623.8A patent/EP2544578B1/de active Active
- 2010-08-23 PL PL10745623T patent/PL2544578T3/pl unknown
- 2010-08-23 WO PCT/EP2010/062238 patent/WO2011110246A1/de active Application Filing
- 2010-08-23 ES ES10745623.8T patent/ES2487624T3/es active Active
-
2012
- 2012-09-10 US US13/608,107 patent/US20130061889A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2011110246A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2487624T3 (es) | 2014-08-22 |
EP2544578B1 (de) | 2014-05-07 |
WO2011110246A1 (de) | 2011-09-15 |
DE102010002750A1 (de) | 2011-10-06 |
US20130061889A1 (en) | 2013-03-14 |
PL2544578T3 (pl) | 2014-10-31 |
WO2011110246A9 (de) | 2012-01-05 |
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