EP2642908B2 - Système de dosage pour un lave-vaisselle - Google Patents

Système de dosage pour un lave-vaisselle Download PDF

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Publication number
EP2642908B2
EP2642908B2 EP11767721.1A EP11767721A EP2642908B2 EP 2642908 B2 EP2642908 B2 EP 2642908B2 EP 11767721 A EP11767721 A EP 11767721A EP 2642908 B2 EP2642908 B2 EP 2642908B2
Authority
EP
European Patent Office
Prior art keywords
cartridge
light source
dosing
dosing system
dishwasher
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.)
Active
Application number
EP11767721.1A
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German (de)
English (en)
Other versions
EP2642908B1 (fr
EP2642908A1 (fr
Inventor
Konstantin Benda
Thorsten Bastigkeit
Arnd Kessler
Salvatore Fileccia
Christian Nitsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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Filing date
Publication date
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Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to PL11767721T priority Critical patent/PL2642908T3/pl
Publication of EP2642908A1 publication Critical patent/EP2642908A1/fr
Publication of EP2642908B1 publication Critical patent/EP2642908B1/fr
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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
    • A47L15/44—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
    • A47L15/0018—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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4445—Detachable devices
    • A47L15/4454—Detachable devices with automatic identification means, e.g. barcodes, RFID tags or magnetic strips
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/10—Water cloudiness or dirtiness, e.g. turbidity, foaming or level of bacteria
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • 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
    • A47L2401/32—Vibration or sound detection
    • 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 dosing system for a dishwasher with optical communication between the dosing system and the dishwasher.
  • Dishwashing detergents and laundry detergents are available to the consumer in a variety of forms. These machine dishwashing and washing agents are typically offered to the consumer in solid form, for example as a powder or as tablets, but increasingly also in liquid or gel form. For some time now, the main focus has been on the convenient dosing of rinsing and washing agents and the simplification of the work steps required to carry out a rinsing or washing process.
  • one of the main goals of the manufacturers of machine dishwashing and washing agents is to improve the cleaning performance of these agents, with increased attention being paid recently to the cleaning performance in low-temperature cleaning cycles or in cleaning cycles with reduced water consumption.
  • new ingredients such as more effective surfactants, polymers, enzymes or bleaches were preferably added to dishwashing detergents and detergents.
  • new ingredients are only available to a limited extent and the amount of ingredients used per wash cycle cannot be increased to any desired extent for ecological and economic reasons, there are natural limits to this approach.
  • the object of the invention is consequently to overcome the problems known from the prior art and to improve optical communication between a dosing device that can be positioned in the dishwasher and the dishwasher.
  • the dosing system according to the invention achieves stable and reliable optical communication between the dosing device, which can be freely positioned in the treatment chamber of the dishwasher, and a dishwasher.
  • a sufficiently diffuse optical signal emission is realized over a sufficiently large emission area, so that the risk of signal shadows or signal shielding, for example due to pots arranged above the dosing device, is reduced.
  • a light source is used for optical communication, which emits light at least in a wavelength range between 700 nm and 1000 nm. This wavelength range has proven to be particularly suitable for optical transmission within a dishwasher, in particular during operation of the dishwasher when the treatment space is permeated by spray jets of washing water.
  • the transparent preparations stored in the cartridge can be designed in essentially any color when using a wavelength range of 700 nm-1 mm, which increases the degree of freedom with regard to the appealing, aesthetic design of the preparations or the preparations in combination with the cartridge.
  • the preparations stored in the cartridge are formulated in such a way that they have a transmittance in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm of 75%-99%.
  • the transmittance of the preparations was determined using plastic cuvettes in a Genesys spectrophotometer. The measurement was carried out according to DIN5036. This achieves a sufficiently high signal strength, since the signal emitted by the light source is only slightly absorbed by the preparation, so that the luminous intensity of the emitted signal and thus the energy requirement for the optical communication can be kept low.
  • the walls of the cartridge therefore have a transmittance of 75%-99% in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm, at least in sections.
  • the transmittance of the cartridge walls can be determined according to DIN5036 or DIN5036-3.
  • the transparent cartridge that can be coupled to the dosing device and stores at least one transparent, flowable preparation is used as the radiating surface.
  • a sufficiently large radiating surface is given when the cartridge has a width (b) - depth (t) ratio of 3:1 to 20:1 and a height (h) -depth (t) ratio of 3:1 to 20:1 and the mean path length of the light beam (L) through the cartridge between 0.5*10 5 - 7.5*10 5 , most preferably between 1.0*10 5 - 6.5*10 5 times the Corresponds to the wavelength of the light emitted by the light source.
  • the outwardly directed surfaces of the cartridge have at least partially a surface roughness of between 0.5-5 microns, preferably between 0.75-2.5 microns, in particular preferably between 1-1.5 microns. This causes sufficient scattering of the light by the cartridge, so that the risk of signal shadowing or signal shielding is reduced.
  • the surface roughness can be determined according to DIN8791-4.
  • the light source has an angle of radiation ⁇ greater than 5°, preferably between 5° and 60°. This also ensures that the section of the cartridge located at the bottom in the operating position of the dosing system is sufficiently illuminated, which is particularly important when the dosing system is covered by items to be washed, such as a pot.
  • the light source when the dosing device and cartridge are in the coupled state, the light source is positioned below the cartridge and directed at the bottom of the cartridge in such a way that it radiates into the cartridge.
  • the essentially circular opening diameter of the light source on the emission side, which is directed into the cartridge corresponds to between 0.25 and 0.95, preferably between 0.5 and 0.75, of the depth of the cartridge. This also improves the radiation from the lower section of the cartridge.
  • the cartridge has three chambers for storing three different preparations, the volume ratio of the three chambers being approximately 1:1:4 .
  • the light source is arranged approximately centrally below the largest chamber in the coupled state of dosing device and cartridge.
  • the light source preferably has a radiation intensity in the wavelength range of 700 nm-1 mm, preferably 700 nm-1000 nm between 2-100 mW/sr, preferably 10-60 mW/sr, particularly preferably between 15-50 mW/sr. It is very particularly preferred that the radiation intensity in the wavelength range between 700 nm and 1000 nm is 15-50 mW/sr. On the one hand, this achieves a sufficient optical signal strength with the lowest possible energy consumption for the signal transmission. This is of particular importance for a battery-operated dosing system with a correspondingly finite amount of energy.
  • the radiation intensity can be determined according to DIN5031.
  • the dosing system consists of the basic components of a cartridge filled with preparation and a dosing device that can be coupled to the cartridge, which in turn is formed from further assemblies such as actuator, closure element, sensor, energy source and/or control unit.
  • the dosing system is movable. Movable within the meaning of this application means that the dosing system is not permanently connected to a dishwasher, but can be removed from a dishwasher by the user or positioned in a dishwasher, ie can be handled independently.
  • the dosing device is not detachably connected to a dishwasher for the user and only the cartridge is movable.
  • a cartridge is understood to mean a packaging means which is suitable for enclosing or holding together at least one free-flowing preparation and which can be coupled to a dosing device in order to dispense at least one preparation.
  • the cartridge is designed in particular in such a way that it is provided for storing a plurality of dosage portions of the preparations to be stored in it.
  • the cartridge is preferably designed to store 10 to 50, particularly preferably 15 to 30, very particularly preferably 20 to 25 dosage portions.
  • the cartridge preferably has at least three, preferably dimensionally stable, chambers for storing different preparations. It is preferred here that each of the chambers is designed to store 10 to 50, particularly preferably 15 to 30, very particularly preferably 20 to 25 dosage portions.
  • the cartridge prefferably has at least one outlet opening which is arranged in such a way that the preparation can be released from the cartridge by gravity when the dosing device is in the position of use.
  • the cartridge is formed in several pieces in such a way that at least one chamber, preferably all chambers, can be individually removed from the dosing device or inserted into the dosing device.
  • at least one chamber preferably all chambers
  • the cartridge is formed in several pieces in such a way that at least one chamber, preferably all chambers, can be individually removed from the dosing device or inserted into the dosing device.
  • the individual chambers in such a way that the chambers can only be coupled to one another or to the dosing device in a specific location or position, thereby preventing a user from using a chamber in a position that is not intended for this purpose connects to the dosing device.
  • the chamber walls can in particular be shaped in such a way that they can be connected to one another in a form-fitting manner. It is particularly advantageous, in the case of a cartridge formed from at least three chambers, to shape the cartridges in such a way that the chambers can only be positively connected to one another in a certain defined position.
  • the chambers of a cartridge can be fixed to one another by suitable connection methods, so that a container unit is formed.
  • the chambers can go through a suitable form-fitting, force-fitting or material-to-substance connection can be fixed to one another in a detachable or non-detachable manner.
  • the fixation can be done by one or more of the connection types from the group of snap-in connections, Velcro connections, press connections, fusion connections, adhesive connections, welded connections, soldered connections, screw connections, wedge connections, clamp connections or snap connections.
  • the fixation can also be formed by a shrink tube (so-called sleeve), which is pulled over the whole or sections of the cartridge in a heated state and firmly encloses the chambers or the cartridge in the cooled state.
  • the cartridge can also be designed asymmetrically. It is particularly preferred to shape the asymmetry of the cartridge in such a way that the cartridge can only be coupled to the dosing device in a predefined position, which prevents incorrect operation by the user that would otherwise be possible.
  • all the preparations stored in the cartridge are free-flowing, since this ensures that the preparations dissolve quickly in the washing liquor of a dishwasher, giving these preparations a rapid to immediate cleaning or disinfecting and/or scenting effect, in particular also on the walls of the treatment room and in the rinsing water lines.
  • the cartridge usually has a total filling volume of ⁇ 5000 ml, in particular ⁇ 1000 ml, preferably ⁇ 500 ml, particularly preferably ⁇ 250 ml, very particularly preferably ⁇ 50 ml.
  • the cartridge comprises a cartridge base which, in the position of use, is directed downwards in the direction of gravity and on which at least one outlet opening arranged on the base in the direction of gravity is preferably provided for each chamber.
  • the outlet openings arranged on the bottom are designed in particular in such a way that at least one, preferably all outlet openings can be connected in a communicating manner with the inlet openings of the dosing device, i.e. preparation can flow from the cartridge into the dosing device via the outlet openings, preferably under the effect of gravity.
  • the outlet openings of the cartridge are closed by closure means at least when the cartridge is in the filled, unopened state.
  • the closure means can be designed in such a way that they allow the outlet opening to be opened once by destroying the closure means.
  • closure means are, for example, sealing foils or closure caps.
  • the outlet openings are each provided with a closure which allows preparation to flow out of the respective chambers when coupled to a dosing device and essentially prevents preparation from flowing out when the cartridge is uncoupled.
  • a closure is designed as a slotted silicone valve.
  • the cartridge has at least one chamber for storing at least one free-flowing detergent and/or dishwashing preparation for coupling to a dosing device that can be positioned inside a household appliance for dispensing at least one washing and/or dishwashing detergent preparation, wherein the cartridge is protected from the ingress of rinsing water into the chamber(s) when coupled to the dosing device and the cartridge has at least one discharge opening on the bottom in the direction of gravity for dispensing preparation from at least one chamber - in particular under the effect of gravity - and at least one ventilation opening on the bottom in the direction of gravity for ventilation comprises at least one chamber, wherein the ventilation opening is separated from the dispensing opening and the ventilation opening is communicatively connected to at least one chamber of the cartridge.
  • the cartridge comprises at least three chambers. It is advantageous here that a ventilation opening and a discharge opening are provided for each chamber.
  • the bottom ventilation opening communicates with a ventilation channel whose end facing away from the ventilation opening opens out above the maximum fill level of the cartridge in the dispensing position of the cartridge coupled to the dosing device.
  • the ventilation channel it is advantageous for the ventilation channel to be formed entirely or partially in or on the walls and/or webs of the cartridge.
  • the ventilation channel can be formed integrally in or on the walls and/or webs of the cartridge.
  • the cartridge can be designed in such a way that it can be arranged detachably or permanently in or on the dosing device and/or a dishwasher.
  • the cartridge preferably has a width (b) to depth (t) ratio of from 3:1 to 20:1 and a height (h) to depth (t) ratio of from 3:1 to 20:1.
  • the walls of the cartridge have, at least in sections, a transmittance in the wavelength range between 700 nm and 1 mm, preferably 700 nm and 1000 nm, of 75% and 99%.
  • the outwardly directed surface of the cartridge has a surface roughness of between 0.5-5 microns, preferably between 0.75-2.5 microns, particularly preferably between 1-1.5 microns. It is most preferred that the entire surface of the cartridge has a surface roughness of between 0.5-5 microns, preferably between 0.75-2.5 microns, most preferably between 1-1.5 microns.
  • the cartridge has three chambers for storing three different preparations, the volume ratio of the three chambers being approximately 1:1:4 and at least the surface of the largest of the three chambers having a surface roughness of between 0.5- 5 microns, preferably between 0.75-2.5 microns, particularly preferably between 1-1.5 microns and the light source is arranged approximately centrally below the largest chamber in the coupled state of dosing device and cartridge.
  • the dosing system comprises a dosing device and a multi-chamber cartridge containing flowable preparations that can be coupled to the dosing device.
  • the dosing device is configured in such a way that it can dose a plurality of preparations from the chambers of the cartridge into the interior of a dishwasher.
  • at least one actuator and/or at least one closure element and/or at least one control unit and/or at least one sensor and/or at least one energy source can be provided in the dosing device.
  • the dosing device can be built into a dishwasher.
  • the dosing device is not permanently installed in the dishwasher, but can be positioned freely in a dishwasher by a user.
  • the dosing device comprises at least one first interface, which interacts in or on a corresponding interface formed in a dishwasher in such a way that electrical energy and/or signals are transmitted from the water-bearing household appliance to the dosing device and/or from the dosing device to the dishwasher is.
  • the interfaces can be designed in such a way that wireless transmission of electrical energy and/or electromagnetic and/or optical signals is effected.
  • such an interface can be designed in such a way that wireless transmission of electrical energy and/or electromagnetic and/or optical signals is effected.
  • the interface is configured to transmit and/or receive optical signals. It is particularly preferred that the interface is configured to emit or receive light in the visible range
  • the interface is configured to transmit and/or receive optical signals. It is particularly preferred that the interface is configured to emit or receive light in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm.
  • the interface includes at least one light source, in particular an LED.
  • the interface particularly preferably 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 at different wavelengths. This makes it possible, for example, to define different signal bands on which information can be sent or received.
  • the light source preferably has an emission angle ⁇ greater than 5°, preferably between 5° and 60°.
  • the radiation intensity in the wavelength range of 700 nm-1 mm, preferably 700 nm-1000 nm is between 2-100 mW/sr, preferably 10-60 mW/sr, particularly preferably between 15-50 mW/sr .
  • an optical signal is in the form of a signal pulse with a pulse duration of between 1 ms and 10 seconds, preferably between 5 ms and 100 ms.
  • the dosing device can include at least one optical receiving unit in addition to the light source.
  • This makes it possible, for example, for the dosing device to receive signals from an optical transmitter unit arranged in the dishwasher.
  • This can be implemented by any suitable optical receiving unit, such as photocells, photomultipliers, semiconductor detectors, photodiodes, photoresistors, solar cells, phototransistors, CCD and/or CMOS image sensors. It is particularly preferred that the optical receiving unit is suitable for receiving light in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm.
  • a light source and an optical receiving unit can be provided in the dishwasher, which form a further optical interface.
  • the dishwasher-side light source and optical receiving unit are configured with regard to the transmission or reception of optical signals in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm.
  • the signal transmitted and/or received by the interface is in particular a carrier of information, in particular a control signal or a signal that represents an operating state of the dosing device and/or the dishwasher.
  • an actuator is a device that converts an input variable into a different type of output variable and with which an object is moved or whose movement is generated.
  • the actuator is preferably coupled to at least one closure element in such a way that the release of preparation from at least one cartridge chamber can be effected directly or indirectly.
  • the actuator can be driven by means of drives selected from the group of gravity drives, ion drives, electric drives, motor drives, hydraulic drives, pneumatic drives, gear drives, lead screw drives, ball screws, linear drives, roller screws, toothed worm drives, piezoelectric drives, chain drives, and/or recoil drives.
  • drives selected from the group of gravity drives, ion drives, electric drives, motor drives, hydraulic drives, pneumatic drives, gear drives, lead screw drives, ball screws, linear drives, roller screws, toothed worm drives, piezoelectric drives, chain drives, and/or recoil drives.
  • the actuator is designed as a pump or compressor.
  • the actuator is a bistable lifting magnet, which together with a bistable lifting magnet engaging, designed as a plunger closure element forms an impulse-controlled, bistable valve.
  • Bistable lifting magnets are electromechanical magnets with a linear direction of movement, whereby the plunger locks in any end position without current.
  • Bistable solenoids or valves are known in the prior art.
  • a bistable valve requires an impulse to change the valve position (open/closed) and then remains in this position until a counter impulse is sent to the valve. Therefore one also speaks of a pulse-controlled valve.
  • a major advantage of such impulse-controlled valves is that they do not consume any energy to remain in the valve end positions, the closed position and release position, but only require an energy impulse to change the valve positions, so the valve end positions can be considered stable.
  • a bistable valve remains in the switching position which last received a control signal.
  • a closure element within the meaning of this application is a component on which the actuator acts and which, as a result of this action, causes the opening or closing of an outlet opening.
  • the closure element can be, for example, valves that can be brought into a product delivery position or closed position by the actuator.
  • the embodiment of the closure element and the actuator in the form of a magnetic valve is particularly preferred, in which the dispenser is configured by the valve and the actuator by the electromagnetic or piezoelectric drive of the magnetic valve.
  • the use of solenoid valves allows the quantity and timing of the dosing to be regulated very precisely.
  • a sensor within the meaning of this application is a measured variable recorder or sensor that can qualitatively or quantitatively record specific physical or chemical properties and/or the material composition of its environment as a measured variable.
  • the dosing system preferably has at least one sensor that is suitable for detecting a temperature.
  • the temperature sensor is designed in particular to detect a water temperature.
  • the dosing system comprises a sensor for detecting the conductivity, whereby in particular the presence, the flushing and/or the spraying of water in a dishwasher is/are detected.
  • a sensor from the group of timers, temperature sensors, infrared sensors, brightness sensors, motion sensors, strain sensors, speed sensors, proximity sensors, flow sensors, color sensors, gas sensors, vibration sensors, pressure sensors, conductivity sensors, turbidity sensors, acoustic pressure sensors, "lab-on-a-chip” Sensors, force sensors, acceleration sensors, inclination sensors, pH sensors, humidity sensors, magnetic field sensors, RFID sensors, Hall sensors, biochips, odor sensors, hydrogen sulfide sensors, position sensors, gyro sensors, optical, electrical and/or mechanical displacement sensors, and/or MEMS sensors selected.
  • At least two sensors for measuring different parameters are provided in or on the dosing system, one sensor being a conductivity sensor and another sensor being a temperature sensor.
  • the sensors are designed to detect the start, course and end of a washing program in a dishwasher.
  • the sensor combinations listed in the following table can be used - by way of example and not exhaustively sensor 1 sensor 2 sensor 3 sensor 4 conductivity sensor temperature sensor conductivity sensor temperature sensor conductivity sensor temperature sensor sound sensor conductivity sensor temperature sensor sound sensor turbidity sensor sound sensor temperature sensor sound sensor conductivity sensor vibration sensor conductivity sensor vibration sensor temperature sensor
  • the conductivity sensor can be used, for example, to detect whether the conductivity sensor is wet with water, so that it can be determined, for example, whether there is water in the dishwasher or whether it is being sprayed on.
  • Treatment programs in dishwashers such as rinsing programs, usually have a characteristic temperature profile that is determined, among other things, by the heating of the rinsing water, which can be detected by a temperature sensor.
  • vibration sensor it is possible, for example, to use a vibration sensor to detect natural vibrations or the resonance of a dishwasher with a rotating spray arm. It is therefore conceivable to use a vibration sensor to detect the start or end of a washing program.
  • a turbidity sensor can also be provided. From this, for example, a dosing program in the dosing system that applies to the determined contamination situation can also be selected.
  • the data line between the sensor and the control unit can be realized via an electrically conductive cable or wirelessly.
  • at least one sensor is or can be positioned outside of the dosing system inside a dishwasher, such as in the treatment room, in or on the washing drum and/or in or on the washing-in drawer, and a data line - in particular wireless - for transmission of the measurement data from the sensor to the dosing system.
  • a wireless data line is formed in particular by the transmission of electromagnetic waves or light. It is preferred to design a wireless data line according to standardized standards such as Bluetooth, IrDA, IEEE 802, GSM, UMTS, etc.
  • a control unit within the meaning of this application is a device that is suitable for influencing the transport of material, energy and/or information.
  • the control unit influences at least one actuator with the aid of information, in particular measurement signals from the sensor unit, which it processes in accordance with the control objective.
  • at least one sensor is connected to the control unit, it being particularly preferred that the sensor sends a signal to the control unit that represents the presence of water in the dishwasher and/or the operation of the dishwasher.
  • control unit can be a programmable microprocessor.
  • a plurality of dosing programs are stored on the microprocessor.
  • control unit has 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 preferably implemented wirelessly.
  • a transmitter on or in a dishwasher preferably on or in the dosing chamber let into the door of the dishwasher, which wirelessly transmits a signal to the dosing unit when the control of the household appliance removes the dosing, for example of a cleaning agent from the Dosing chamber or caused by rinse aid.
  • controlled by the control unit the dispensing of preparations from the dosing device can take place sequentially or simultaneously.
  • an energy source is understood to mean a component of the dosing system which is expedient to provide energy suitable for operating the dosing system or the dosing device.
  • the energy source is preferably designed in such a way that the dosing system is self-sufficient.
  • the energy source preferably provides electrical energy.
  • the energy source can be, for example, a battery, an accumulator, a power supply unit, solar cells or the like.
  • the energy source prefferably be exchangeable, for example in the form of an exchangeable battery.
  • a battery can be selected, for example, from the group of alkaline-manganese batteries, zinc-carbon batteries, nickel-oxyhydroxide batteries, lithium batteries, lithium-iron sulfide batteries, zinc-air batteries, zinc-chloride batteries, mercuric oxide-zinc batteries and/or silver oxide-zinc batteries.
  • Suitable accumulators are lead accumulators (lead dioxide/lead), nickel-cadmium accumulators, nickel-metal hydride accumulators, lithium-ion accumulators, lithium-polymer accumulators, alkali-manganese accumulators, silver-zinc accumulators, nickel Hydrogen batteries, zinc-bromine batteries, sodium-nickel chloride batteries and/or nickel-iron batteries.
  • the accumulator can in particular be designed in such a way that it can be recharged by induction.
  • the energy source is dimensioned in such a way that the dosing device can run through about 1000 dosing cycles before the energy source is exhausted. It is particularly preferred that the energy source can run through between 1 and 1000 dosing cycles, most preferably between 10 and 500, further preferably between 100 and 300, before the energy source is exhausted.
  • a flowable preparation according to the invention has a transmittance of 75%-99% in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm.
  • a plurality of preparations, which are stored in separate chambers of the cartridge, are preferably used.
  • the preparations in the cartridge chambers are preferably different from one another.
  • the preparations stored in the cartridge chambers are free-flowing; they preferably have a viscosity of between 10 and 10,000 mPas at a shear rate of 30 s ⁇ 1 and a temperature of 25°C.
  • the viscosity of the preparations can be measured using customary standard methods (for example Brookfield viscometer RVD-VII at 20 rpm and 20° C., spindle 3).
  • the dosing system 1 which can be positioned inside a dishwasher, is shown in 1 shown in a front and a side view.
  • the dosing system 1 consists of the dosing device 2 and a cartridge 3 that can be coupled to the dosing device 1.
  • the control unit, a battery, a conductivity and a temperature sensor, an actuator and a closure element are arranged in the dosing device 2 (not visible), which interact in this way that when there is a predefined temperature on the temperature sensor and there is a predefined conductivity value on the conductivity sensor, which represents the presence of water, the battery-powered control unit energizes a battery-powered actuator, so that the actuator moves the closure element into a dispensing position and a preparation from the cartridge into the Treatment room of the dishwasher is released.
  • the dosing device 2 has a width b and a depth t, the width (b)-depth (t) ratio being from 3:1 to 20:1.
  • the cartridge 3 has a width b and a depth t, the width (b)-depth (t) ratio being from 3:1 to 20:1. Again 1 can be seen, the width (b) - depth (t) ratio of dosing device and cartridge in the embodiment shown is approximately the same.
  • the cartridge has a first height h1 and a second height h2. This results in a height (h) - depth (t) ratio of 3:1 to 20:1 for the cartridge, whereby the smaller height h2 is used to form the ratio.
  • the outwardly directed surface of the cartridge 3 has, at least in sections, a surface roughness of between 0.5-5 microns, preferably between 0.75-2.5 microns, particularly preferably between 1-1.5 microns, whereby, as in the present exemplary embodiment, it is preferred that the entire outwardly facing surface of the cartridge 3 has a surface roughness of between 0.5-5 microns, preferably between 0.75-2.5 microns, most preferably between 1-1.5 microns.
  • the cartridge has three chambers 5a, 5b, 5c, which are filled with the free-flowing preparations A, B and C.
  • the volume ratio of the three chambers is approximately 1:1:4.
  • the flowable preparations A, B, C have a transmittance in Wavelength range between 700nm-1mm, preferably 700nm-1000nm of 75%-99%.
  • the walls of the cartridge 3 have a transmittance of 75%-99% in the wavelength range between 700 nm-1 mm, preferably 700 nm-1000 nm.
  • an enzyme-containing preparation is stored in the first chamber 5a
  • a rinse-aid preparation is stored in the second chamber 5b
  • an alkaline cleaning preparation is stored in the third, largest chamber 5c.
  • the preparations A, B, C stored in the three chambers 5a, 5b, c have different light absorption spectra in the wavelength range between 350-699 nm.
  • a light source 4 in the form of an LED is arranged in the head of the dosing device 2 .
  • the light source 4 is positioned below the cartridge 3 and is directed towards the bottom of the cartridge 3 in such a way that it radiates into the cartridge 3, which in 1 is symbolized by the indicated light ray L.
  • the light source 4 is arranged approximately centrally below the largest chamber 5c when the dosing device 2 and the cartridge 3 are coupled.
  • the light source 4 has an emission or opening angle ⁇ greater than 5°, preferably between 5° and 60°.
  • the light source 4 and the cartridge 3 are configured in such a way that the mean path length of the light beam L through the cartridge 3 is between 0.1*10 5 - 10*10 5 , preferably between 0.5*10 5 - 7.5* 10 5 , very particularly preferably between 1.0*10 5 - 6.5*10 5 times the wavelength of the light emitted by the light source 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)

Claims (7)

  1. Système de dosage (1) pour distribuer au moins une composition de nettoyage (A, B, C) à l'intérieur d'un lave-vaisselle comprenant un appareil de dosage (2) qui peut être positionné de façon librement mobil dans le lave-vaisselle par un utilisateur et qui est équipé d'une source de lumière (4), et une cartouche (3) qui peut être accouplée à l'appareil de dosage (2) dans laquelle est stockée au moins une composition (A, B, C) apte à s'écouler, caractérisé en ce que
    ▪ la cartouche (3) a un rapport largeur (b) - profondeur (t) de 3:1 à 20:1, et
    ▪ la cartouche (3) a un rapport hauteur (h) - profondeur (t) de 3:1 à 20:1,
    ▪ les parois de la cartouche (3) ont au moins partiellement un taux de transmission de 75% à 99% dans la gamme de longueurs d'onde comprise entre 700 nm et 1 mm, de préférence 700 nm à 1000 nm,
    ▪ la composition (A, B, C) apte à s'écouler a un taux de transmission de 75% à 99% dans la gamme de longueurs d'onde entre 700 nm et 1 mm, de préférence de 700 nm à 1000 nm,
    ▪ la surface de la cartouche (3) qui est dirigée vers l'extérieur a au moins partiellement une rugosité de surface comprise entre 0,5 et 5 microns, de préférence entre 0,75 et 2,5 microns, de préférence entre 1 et 1,5 microns,
    ▪ la source de lumière (4), qui émet de la lumière au moins dans une gamme de longueurs d'onde comprise entre 700 nm et 1000 nm, émet un rayonnement à l'intérieur de la cartouche,
    ▪ la source de lumière (4) a un angle d'émission α supérieur à 5°, de préférence entre 5° et 60° et
    ▪ la source de lumière (4) et la cartouche (3) sont configurées de telle sorte que la longueur de trajet moyenne du faisceau de lumière (L) à travers la cartouche (3) corresponde à une valeur comprise entre 0,5*105 et 7,5*105, de façon particulièrement préférée entre 1,0*105 et 6,5*105 fois la longueur d'onde de la lumière émise par la source de lumière (4),
    la source de lumière (4) étant positionnée au-dessous de la cartouche (3) et dirigée vers le fond de la cartouche (3) de telle sorte qu'elle émet un rayonnement à l'intérieur de la cartouche (3) lorsque l'appareil de dosage (2) et la cartouche (3) sont accouplés et lorsque le système de dosage est en position de fonctionnement.
  2. Système de dosage selon la revendication précédente, caractérisé en ce que le diamètre de l'orifice de la source de lumière (4), qui est sensiblement circulaire du côté du faisceau et qui est dirigé vers l'intérieur de la cartouche, correspond à une valeur comprise entre 0,25 et 0,95, de préférence entre 0,5 et 0,75 fois la profondeur (t) de la cartouche (3).
  3. Système de dosage selon l'une des revendications précédentes, caractérisé en ce que la cartouche (3) comporte trois chambres (5a, 5b, 5c) servant à stocker trois compositions (A, B, C) différentes les unes des autres, le rapport en volume des trois chambres étant d'environ 1:1:4.
  4. Système de dosage selon l'une des revendications précédentes, caractérisé en ce que, lorsque l'appareil de dosage (2) et la cartouche (3) sont accouplés, la source de lumière (4) est disposée approximativement au milieu au-dessous de la plus grande chambre (5c).
  5. Système de mesure selon l'une des revendications précédentes, caractérisé en ce qu'une composition contenant une enzyme se trouve dans la première chambre (5a), une composition de rinçage se trouve dans la deuxième chambre (5b) et une composition de nettoyage alcaline se trouve dans la troisième chambre (5c) qui est la plus grande.
  6. Système de dosage selon l'une des revendications précédentes, caractérisé en ce que les compositions (A, B, C) stockées dans les trois chambres (5a, 5b, c) ont des spectres d'absorption de lumière différents dans la gamme de longueurs d'onde comprise entre 350 et 699 nm.
  7. Système de dosage selon l'une des revendications précédentes, caractérisé en ce que l'intensité du rayonnement dans la gamme de longueurs d'onde allant de 700 nm à 1 mm, de préférence comprise entre 700 nm et 1000 nm,a une valeur comprise entre 2 et 100 mW/sr, de préférence 10 et 60 mW/sr, de façon particulièrement préférée entre 15 et 50 mW/sr.
EP11767721.1A 2011-03-23 2011-10-12 Système de dosage pour un lave-vaisselle Active EP2642908B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11767721T PL2642908T3 (pl) 2011-03-23 2011-10-12 Układ dozujący dla zmywarki do naczyń

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011005979A DE102011005979A1 (de) 2011-03-23 2011-03-23 Dosiersystem für eine Geschirrspülmaschine
PCT/EP2011/067789 WO2012126537A1 (fr) 2011-03-23 2011-10-12 Système de dosage pour un lave-vaisselle

Publications (3)

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EP2642908A1 EP2642908A1 (fr) 2013-10-02
EP2642908B1 EP2642908B1 (fr) 2015-04-22
EP2642908B2 true EP2642908B2 (fr) 2023-01-18

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US (1) US9282876B2 (fr)
EP (1) EP2642908B2 (fr)
DE (1) DE102011005979A1 (fr)
ES (1) ES2537903T3 (fr)
PL (1) PL2642908T3 (fr)
WO (1) WO2012126537A1 (fr)

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DE102010002196A1 (de) * 2010-02-22 2011-11-17 Henkel Ag & Co. Kgaa Kartusche für ein wasserführendes Haushaltsgerät
US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
US8885569B2 (en) 2011-12-19 2014-11-11 Ofinno Technologies, Llc Beamforming signaling in a wireless network
GB201300362D0 (en) * 2013-01-09 2013-02-20 Reckitt Benckiser Uk Ltd Low cost senor system
US9464375B2 (en) * 2014-01-24 2016-10-11 The Procter & Gamble Company Kit for treating a substrate
US10111574B2 (en) 2014-01-24 2018-10-30 The Procter & Gamble Company Method for treating dishware
US10098519B2 (en) * 2014-01-24 2018-10-16 The Procter & Gamble Company Lighted dispenser
US9834740B2 (en) 2014-01-24 2017-12-05 The Procter & Gamble Company Photoactivators
US9199259B2 (en) * 2014-03-21 2015-12-01 Elc Management Llc Actuator with self-contained light source
DE102017201758B4 (de) * 2017-02-03 2025-04-17 Magna powertrain gmbh & co kg Verfahren zur Messung einer Ankerlage sowie Kopplungseinrichtung unter Verwendung des Verfahrens
US11540694B2 (en) * 2018-03-09 2023-01-03 Henkel Ag & Co. Kgaa Method for setting a time of a release of a cleaning agent during a cleaning cycle in a household appliance
EP3581697B1 (fr) 2018-06-11 2023-02-22 The Procter & Gamble Company Dispositif de photoactivation pour machine à laver

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Also Published As

Publication number Publication date
WO2012126537A1 (fr) 2012-09-27
EP2642908B1 (fr) 2015-04-22
DE102011005979A1 (de) 2012-09-27
EP2642908A1 (fr) 2013-10-02
US9282876B2 (en) 2016-03-15
ES2537903T3 (es) 2015-06-15
US20140084024A1 (en) 2014-03-27
PL2642908T3 (pl) 2015-09-30

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