EP3843603A1 - Domestic dishwasher, method for operating a domestic dishwasher, and computer program product - Google Patents
Domestic dishwasher, method for operating a domestic dishwasher, and computer program productInfo
- Publication number
- EP3843603A1 EP3843603A1 EP19761828.3A EP19761828A EP3843603A1 EP 3843603 A1 EP3843603 A1 EP 3843603A1 EP 19761828 A EP19761828 A EP 19761828A EP 3843603 A1 EP3843603 A1 EP 3843603A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning agent
- metering
- washing
- dosing
- state
- 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.)
- Withdrawn
Links
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
- A47L15/449—Metering controlling devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- 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
- A47L15/4409—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants by tipping containers or opening their lids, e.g. with the help of a programmer
-
- 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
- A47L15/4418—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of liquids
-
- 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
- A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
-
- 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
- A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
- A47L2401/023—Quantity or concentration of the consumable product
-
- 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
- A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
- A47L2401/026—Nature or type of the consumable product, e.g. information on detergent, e.g. 3-in-1 tablets, rinsing aid or salt
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
- A47L2501/26—Indication or alarm to the controlling device or to the user
Definitions
- Household dishwasher method for operating a household dishwasher and computer program product
- the present invention relates to a household dishwasher, a method for operating a household dishwasher and a computer program product.
- Household dishwashers which have a metering device which can be equipped with a supply of a cleaning agent, a suitable amount of the cleaning agent being dispensed under program control when a washing program is carried out. This has the advantage that a user does not have to fill an addition unit with detergent every time the washing program is carried out.
- a household dishwasher has both the metering device and the addition unit. Then the problem arises that the user is unclear which of the two systems is currently being used.
- a household dishwasher with a washing compartment with a washing compartment, a control device for carrying out a washing program from a number of washing programs, a dosing system comprising an addition unit for taking up a single dose of a first cleaning agent and for adding the single dose into the washing compartment proposed a dosing time during the execution of the washing program and an automatic dosing device for automatically dosing a plurality of dosing quantities from a supply of a second cleaning agent present as a solid into the washing area at the dosing time.
- a sensor device is provided for detecting a state of the metering system and for outputting a sensor signal as a function of the detected state of the metering system.
- the control device is set up to carry out the washing program as a function of the sensor signal.
- the proposed household dishwasher has the advantage that the use of the dosing system comprising both the addition unit and the automatic dosing device is made possible in an intuitive manner for a user, without complicated programming steps being necessary. On the one hand, this improves the user experience and, on the other hand, increases the efficiency of the dishwasher, since incorrect operation of the dishwasher is avoided.
- the control device can be implemented in terms of hardware and / or software.
- the control device can be designed, for example, as a computer or as a microprocessor.
- the control device can be designed as a computer program product, as a function, as a routine, as part of a program code or as an executable object.
- the control device is set up to carry out a washing program from a number of washing programs.
- the number of washing programs can be stored, for example, on a memory unit assigned to the control device.
- the execution of a washing program can also be referred to as a washing cycle.
- the control device controls or controls the functional units of the domestic dishwasher, such as a valve, a pump, a heater, and / or the dosing system, according to the washing program.
- the dosing system comprises, in particular, an addition unit which is arranged, for example, on the inside of a door of the domestic dishwasher. When the door is open, the feed unit is easily accessible to the user.
- the addition unit has a container which can be closed with a flap and which is designed to hold a quantity of the first cleaning agent.
- the first cleaning agent can be in the form of a powder, in the form of pellets, in the form of a tab or as a liquid.
- the user controls the amount of the first cleaning agent which is added as the single dose during the execution of the washing program. The maximum amount is specified in particular by the volume of the container. After filling, the user closes the container of the feed unit with the flap.
- Controls at the time of dispensing for example, the control device turns on the addition unit so that the flap opens and the single dose is dispensed into the wash cabinet of the household dishwasher.
- a metering time is understood to mean, in particular, a point in time during the course of the washing program at which cleaning agent is to be added. This time is, for example, at the beginning of a cleaning sub-program step.
- Such an addition unit has the advantage that the user has full control over the amount and type of the first cleaning agent used to carry out the next washing program.
- the dosing system also has an automatic dosing device.
- This is advantageously set up to hold a supply of a second cleaning agent.
- the second cleaning agent is present in particular as a solid.
- the second cleaning agent can be present as a powder, as pellets, as tablets and / or in the form of detergent tablets.
- the second cleaning agent is in particular pourable or free-flowing.
- the first cleaning agent and the second cleaning agent can be identical, but they can also be different.
- the supply comprises an amount of the second cleaning agent, which comprises a plurality of dosage amounts.
- a metered amount is in particular the amount that is sufficient for a wash cycle with little to normally soiled items.
- the stock includes, for example, 20 dosing quantities, advantageously up to 50 dosing quantities.
- the supply can advantageously be stored in a removable storage container. Then this can be removed, for example, for refilling and / or can simply be replaced by a pre-filled storage container.
- cleaning agent is understood to mean in particular a chemically active cleaning agent.
- the cleaning agent can also be a softening agent or comprise such.
- the first or the second cleaning agent can also comprise a chemically inactive substance, such as an abrasive agent.
- the automatic dosing device comprises, for example, a dosing unit which is set up to take the dosing amount of the second cleaning agent from the supply or the storage container and to supply it to the washing area of the household dishwasher.
- the dosage amount includes, for example 1 - 20 ml or 1 - 20 g of the second detergent.
- several dosing times can be provided in a washing program, so that the optimum amount of cleaning agent is present in a washing liquor at all times.
- the metering unit and the automatic metering device are alternatively to one another, the user having the freedom of choice to use the metering unit or the automatic metering device.
- the addition unit and the automatic dosing device complement one another, since, for example, the second cleaning agent of the automatic dosing device comprises a standard cleaning agent which is suitable for cleaning everyday washware.
- the addition unit can then be used to use a special cleaning agent as the first cleaning agent if there are special requirements for cleaning the items to be cleaned, such as, for example, a special condition of the items to be washed and / or a particular condition of soiling of the Washware.
- the sensor device for detecting the state of the metering system comprises, for example, optical, acoustic, electrical, mechanical and / or chemical sensors.
- optical, acoustic, electrical, mechanical and / or chemical sensors For example, an electrical contact for detecting an inserted storage container, an acoustic and / or mechanical sensor for detecting one Filling level of the second cleaning agent in the storage container, an optical sensor for detecting the presence of the first cleaning agent in the container of the addition unit and / or a chemical sensor for detecting a type of the first cleaning agent in the container of the addition unit.
- the state of the metering system relates in particular to the presence of the first cleaning agent and the second cleaning agent.
- a state can be defined by the fact that there is no first cleaning agent in the addition unit and a supply of 250 ml of the second cleaning agent is available to the automatic metering device.
- the sensor device is set up to output the detected state as a sensor signal.
- the control device is set up to receive the sensor signal and to carry out the washing program as a function of the sensor signal.
- the control device is designed to determine the state of the metering system from the sensor signal, for example by evaluating the sensor signal. For example, the control device determines from the sensor signal that the metering system is in the state in which there is no first cleaning agent in the addition unit and a supply of 250 ml of the second cleaning agent is available to the automatic metering device.
- the control device will then carry out the washing program, for example, in such a way that the automatic metering device for metering the metered quantity into the washing compartment of the domestic dishwasher is activated at the time of metering.
- control device selects and executes a specific washing program from the number of washing programs as a function of the sensor signal.
- a specific rinsing program can, for example, have several dosing times, particularly when using the automatic dosing device. It can also be provided that metering times are generated dynamically and / or a metered amount of the second cleaning agent is adjusted as required.
- the dosed amount can be adjusted, for example, by adjusting the dosing amount or, particularly if the dosing amount has a fixed value, by multiple dosing.
- a wash result can be optimized in this way.
- control device preferably uses the addition unit when the addition unit is filled with a single dose of the first cleaning agent.
- This can, for example, be referred to as a “manual override”.
- the state of the dosing system comprises a manual state and an automatic state, the single dose of the first cleaning agent being present in the addition unit in the manual state and at least a dosing amount of the second cleaning agent in the in the automatic state
- the control device is set up to control the metering unit for adding the first cleaning agent and / or to control the automatic metering device for metering the metering amount of the second cleaning agent when the metering system is in the manual state and the automatic dosing to control the dosing of the dosing amount of the second detergent when the dosing system is in the automatic state.
- the addition unit is always used when the user fills the individual dose of the first cleaning agent into the addition unit before starting the rinsing cycle. This makes it easier to use the dishwasher and prevents incorrect operation. In particular, it is not necessary to program the dishwasher, for example by operating an option switch. In addition to this example, many other applications of the control device are possible depending on the state of the metering system.
- the sensor device is set up, for example, to recognize whether the first cleaning agent is present in the addition unit.
- the dosing system is in the manual state. If the first cleaning agent is not available, the dosing system is not in the manual state.
- the automatic state can already be deduced from the detection of the manual state: if the dosing system is not in the manual state, then the dosing system is in the automatic state.
- the sensor device can be constructed in a particularly simple manner.
- the sensor device for detecting the automatic state is preferably additionally configured, for example, to recognize whether at least a metered amount of the second cleaning agent is present. If the supply of the second cleaning agent comprises at least the dosing quantity and the dosing system is not in the manual state, then the dosing system is in the automatic state. If the at least one metered amount of the second cleaning agent is not available, then the metering system is not in the automatic state.
- the presence of the storage container in the automatic dosing device can alternatively be used. Then the dosing system is, for example, in the automatic state when the storage container is inserted and none first detergent is present in the feed unit. In particular, it can be provided that a fill level of the second cleaning agent in the storage container is not taken into account here.
- the sensor device can be set up to detect a fill level of the second cleaning agent in the storage container.
- the fill level can, for example, be recorded relative to a maximum fill level in percent, or can also be recorded absolutely as a weight or a volume of the second cleaning agent. If a fill level that is not zero is recognized, then the presence of the storage container is implicitly recognized. On the other hand, a fill level of zero can mean both the absence of the storage container in the automatic dosing device and the fact that the storage container is inserted but no second cleaning agent is present in it, that is to say that the storage container is empty.
- a user interface is provided for outputting user information as a function of the sensor signal.
- the user can be informed, for example, of the state in which the metering system is. This allows the user to adjust the programming of the household dishwasher, if desired. In particular, in the event that the metering system is neither in the manual state nor in the automatic state, the user can be informed that neither the first cleaning agent nor the second cleaning agent is present.
- the user information can include not only the detected state of the metering system in the sense described above, but also various other information.
- this may include a fill level of the supply or the supply container, instructions for filling up the supply or for replacing and / or filling up the supply container, ordering information for reordering a filled supply container or also a note that a special cleaning agent is the first cleaning agent should be filled into the addition unit because a specific wash program, for example for stainless steel items, has been selected.
- facts that go beyond the sensor signal to output the user information can Things, such as a pre-selection of the washing program by the user, are taken into account.
- the user interface comprises, for example, a display on a front of the household dishwasher and / or a data interface, in particular for wireless data transmission, such as WLAN, Bluetooth® and / or a mobile radio interface.
- a data interface the user information can be transmitted, for example, to a connected device of the user, for example a mobile device, such as a smartphone or a tablet, and can be output accordingly by the device.
- the automatic dosing device has a receiving unit for removably holding a storage container for storing the second cleaning agent, and the sensor device is set up to ensure that the storage container is present in the automatic dosing device and / or a fill level of the second detergent in the reservoir.
- the sensor device for detecting whether the storage container is present can have a mechanical or electrical switch.
- a weight of the storage container can be detected, and / or an acoustic resonance frequency of the cavity in the storage container can be detected and / or an attenuation in intensity, for example of infrared light, can be detected.
- the sensor device is set up to detect a type of the first cleaning agent and / or a type of the second cleaning agent and the control device is set up to determine the washing program as a function of the detected type of the first cleaning agent and / or the second cleaning agent.
- the type of cleaning agent is understood to mean, for example, a chemical composition, a dosage form, such as liquid or solid, and / or a preferred washing program for the use of the cleaning agent.
- the sensor device comprises a chemical sensor and / or an optical sensor for detecting summarize the type of detergent.
- a bar code can be provided on the storage container, for example, in which the information relating to the type of the second cleaning agent contained therein is encoded.
- the sensor device detects that a special machine cleaner is filled into the addition unit as the first cleaning agent.
- the control device derives from this, for example, that the user wants to carry out machine cleaning. If the household dishwasher is not loaded with items to be washed, the control device will, for example, select a special machine cleaning program for execution, suggest it to the user and / or carry it out. If, however, the household dishwasher is loaded with items to be washed, the control device will, for example, select and carry out the standard washing program using the automatic metering device. In this context, the output of user information by means of the user interface can be particularly helpful.
- the sensor device is set up to detect a quantity of the first cleaning agent forming the single dose, the control device being set up to compare the quantity detected with a target quantity and in Depending on the comparison, carry out the washing program.
- control device can optimally adapt the washing program to it, for example with regard to the amount of water used for the washing cycle, a water temperature, a pump speed and / or one Duration of the rinse cycle.
- the automatic metering device is controlled in addition to the addition unit for adding a metered amount of the second cleaning agent in order to compensate for the missing amount.
- a duration of the rinsing cycle can be extended in order to achieve good washing results despite the small amount of the first cleaning agent.
- a quantity of water for rinsing can be increased to ensure that the first detergent is completely rinsed off the wash ware.
- a method for operating a household dishwasher has a washing compartment, a control device for carrying out a washing program from a number of washing programs, a dosing system comprising an addition unit for taking up a single dose of a first cleaning agent and for adding the single dose into the washing compartment at a dosing time during an implementation of the washing program and an automatic dosing device for dosing a plurality of dosing quantities from a supply of a second cleaning agent present as a solid into the washing room at the dosing time during the execution of the washing program.
- a state of the metering system is detected by means of a sensor device.
- a sensor signal is output as a function of the detected state of the metering system.
- the washing program is carried out as a function of the sensor signal.
- This method can advantageously be carried out with a household dishwasher according to the first aspect.
- control device in the proposed method will dynamically adapt the washing program in order to ensure an optimal washing result.
- This is understood to mean, for example, that parameters of the washing program to be carried out, in particular one or more metering times which are defined therein, can be changed, skipped, deleted and / or added by the control device.
- a computer program product is proposed which causes the method as explained above to be carried out on a program-controlled device.
- a computer program product such as a computer program means, for example as a storage medium, such as Memory card, USB stick, CD-ROM, DVD, or in the form of a downloadable file from a server in a network.
- a computer program means for example as a storage medium, such as Memory card, USB stick, CD-ROM, DVD, or in the form of a downloadable file from a server in a network.
- This can take place, for example, in a wireless communication network by transmitting a corresponding file with the computer program product or the computer program means.
- the file can also only be streamed, which means that it is not saved on the target device but processed directly.
- Fig. 1 shows a schematic perspective view of an embodiment of a household dishwasher
- FIG. 2 shows a schematic block diagram of an exemplary embodiment of a method for operating a household dishwasher.
- elements that are the same or have the same function have been provided with the same reference symbols, unless stated otherwise.
- the domestic dishwasher 1 comprises a washing container 2, which can be closed by a door 3, in particular in a watertight manner.
- a sealing device can be provided between the door 3 and the washing container 2.
- the washing compartment 2 is preferably cuboid.
- the washing container 2 can be arranged in a housing of the household dishwasher 1.
- the washing container 2 and the door 3 can form a washing compartment 4 for washing dishes.
- the door 3 is shown in its open position in FIG. 1.
- the door 3 can be closed or opened by pivoting about a pivot axis 5 provided at a lower end of the door 3.
- a loading opening 6 of the washing compartment 2 can be closed or opened.
- the washing compartment 2 has a base 7, a ceiling 8 arranged opposite the base 7, a rear wall 9 arranged opposite the closed door 3 and two side walls 10, 11 arranged opposite one another.
- the bottom 7, the ceiling 8, the rear wall 9 and the side walls 10, 1 1 can for example be made of a stainless steel sheet.
- the base 7 can be made of a plastic material, for example.
- the household dishwasher 1 also has at least one washware receptacle 12 to 14.
- washware receptacle 12 being a lower washware receptacle or a lower basket
- the washware receptacle 13 being an upper washware receptacle or an upper basket
- the washware receptacle 14 being a cutlery drawer.
- FIG. 1 also shows, the items to be washed 12 to 14 are arranged one above the other in the washing container 2.
- Each washware receptacle 12 to 14 can either be moved into or out of the washing tub 2.
- each washware receptacle 12 to 14 can be pushed or retracted into the washing compartment 2 in an insertion direction E and can be pulled out or pulled out of the washing compartment 2 in a pull-out direction A against the insertion direction E.
- the household dishwasher 1 also has a control device 100.
- the control device 100 is designed in particular as a central control unit which is responsible for controlling all controllable components or units of the household dishwasher 1.
- a dosing system 110 is also arranged on the inside of the door 3, which comprises an addition unit 112 and an automatic dosing device 114.
- the addition unit 112 is set up to receive a single dose of a first cleaning agent.
- the addition unit 112 has for this purpose a cavity which can be closed by means of a closure element, for example a flap.
- the addition unit 112 is set up by the control device 100 to open the flap to release the individual dose of the first cleaning agent contained in the cavity.
- the automatic dosing device 114 comprises a holding unit (not shown) for holding a removable storage container which is set up to hold a second cleaning agent.
- the storage container holds, for example, an amount of the second cleaning agent which corresponds to 50 dosing amounts, a dosing amount comprising, for example, 5 ml or even 5 g of the second cleaning agent.
- the automatic dosing device 114 further has, for example, a dosing unit which is set up for dosing the dosing amount of the second cleaning agent from the storage container.
- the storage container can be pivoted or rotated in the receiving unit.
- the receiving unit can be pivoted or rotated.
- the dosing unit is then set up for dosing the dosing amount, for example for pivoting or rotating the storage container.
- the dosing amount of the second cleaning agent is dosed by rotating the storage container through an angle of rotation between 180 ° and 360 ° in a certain direction of rotation. If a larger amount of the second cleaning agent than the metered amount is desired, this can be achieved by actuating the automatic metering device 114 several times.
- the household dishwasher 1 has a sensor device 120 which is set up to detect a state of the dosing system 110.
- the sensor device 120 comprises three sensors: a first sensor, which is used to detect a Presence of the first cleaning agent in the addition unit 1 12; a second sensor configured to detect a type of the first cleaning agent; and a third sensor which is set up to detect a fill level of the second cleaning agent in the storage container.
- the state of the metering system 110 is given by the entirety of the sensor data recorded by the three sensors.
- the sensor device 120 is also set up to output the detected state as a sensor signal, in particular to the control device 100.
- the control device 100 is set up to receive the sensor signal and, for example, is further set up to derive the state of the metering system 110 from the received sensor signal. Furthermore, the control device 100 is set up to carry out a washing program as a function of the received sensor signal, in particular as a function of the state of the metering system 110.
- a user loads the household dishwasher 1 with items to be washed and fills the addition unit 112 with a single dose of the first cleaning agent.
- the user then starts a normal washing program.
- the sensor device 120 detects that the first cleaning agent is present in the addition unit 1 12 and outputs the sensor signal.
- the sensor device 120 can also be set up, for example, to detect a quantity of the first cleaning agent in the addition unit 112.
- the control device 100 starts the normal washing program. At a metering point in the normal washing program, which is in particular at the beginning of a sub-program step cleaning, the control device 100 controls the metering system 110 or the addition unit 112, so that it adds the single dose of the first cleaning agent into the washing compartment 4.
- control device 100 additionally controls the automatic metering device 114 at a second metering point in order to dispense a metering amount of the second cleaning agent.
- the second metering time can be identical to the first metering time, but it can also be after the first metering time.
- FIG. 2 shows a schematic block diagram of an exemplary embodiment of a method for operating a domestic dishwasher 1, for example the domestic 1.
- a sensor device 120 detects a state of a metering system 110 of the household dishwasher 1.
- the sensor device 120 can have a plurality of individual sensors. These can output, for example, an analog voltage signal, the voltage value of which depends in a known manner on a measured variable, or a voltage signal that has two different levels and thus differentiates between two clearly defined states. Additionally or alternatively, the sensors can also output a digital data signal.
- the sensor device 120 outputs the detected state of the metering system 110 as a sensor signal.
- the sensor signal can comprise an analog voltage signal and / or a digital data signal.
- the sensor signal is designed in such a way that the detected state of the metering system 110 can be inferred from the sensor signal.
- the control device 100 executes a washing program as a function of the sensor signal.
- a washing program as a function of the sensor signal.
- the control device 100 receives the sensor signal and derives the state of the metering system 110 from this. This can be done, for example, by evaluating the sensor signal or sampling the sensor signal.
- the control device 100 selects whether the addition unit 112 or the automatic dosing device 114 should be used to add detergent.
- a look-up table can be stored in the control device 100, for example, which specifies which washing program is to be carried out in a particular state.
- control device 100 evaluates a calculation formula which outputs an optimized washing program depending on the state.
- the optimized washing program can in particular include individually adjusted parameters, such as a running time, a water quantity and / or water temperature, a target quantity of the cleaning agent, one or more dosing times for adding the first and / or second cleaning agent and the like.
Landscapes
- Washing And Drying Of Tableware (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018214644.6A DE102018214644A1 (en) | 2018-08-29 | 2018-08-29 | Household dishwasher, method for operating a household dishwasher and computer program product |
PCT/EP2019/073015 WO2020043800A1 (en) | 2018-08-29 | 2019-08-28 | Domestic dishwasher, method for operating a domestic dishwasher, and computer program product |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3843603A1 true EP3843603A1 (en) | 2021-07-07 |
Family
ID=67809475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19761828.3A Withdrawn EP3843603A1 (en) | 2018-08-29 | 2019-08-28 | Domestic dishwasher, method for operating a domestic dishwasher, and computer program product |
Country Status (5)
Country | Link |
---|---|
US (1) | US11826003B2 (en) |
EP (1) | EP3843603A1 (en) |
CN (1) | CN112638226A (en) |
DE (1) | DE102018214644A1 (en) |
WO (1) | WO2020043800A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000013468A1 (en) * | 2020-06-05 | 2021-12-05 | Eltek Spa | WASHING AGENTS DISPENSER FOR DISHWASHERS |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2501969C3 (en) * | 1975-01-18 | 1987-10-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for controlling washing machines and dishwashers |
US8210188B2 (en) | 2008-02-13 | 2012-07-03 | Whirlpool Corporation | Dishwasher with dispensing system |
DE102008036588A1 (en) * | 2008-08-06 | 2010-02-11 | Henkel Ag & Co. Kgaa | Household machine e.g. dishwasher, has refilling cartridge with readable information carrier, where control unit adjusts program sequence of machine and/or dosing device based on determination of cleaning agents located in cartridge |
US20110000511A1 (en) * | 2009-07-01 | 2011-01-06 | General Electric Company | Deep clean cycle |
DE102009027950A1 (en) * | 2009-07-23 | 2011-01-27 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting household appliance |
-
2018
- 2018-08-29 DE DE102018214644.6A patent/DE102018214644A1/en active Pending
-
2019
- 2019-08-28 WO PCT/EP2019/073015 patent/WO2020043800A1/en unknown
- 2019-08-28 EP EP19761828.3A patent/EP3843603A1/en not_active Withdrawn
- 2019-08-28 CN CN201980056666.XA patent/CN112638226A/en active Pending
- 2019-08-28 US US17/269,275 patent/US11826003B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2020043800A1 (en) | 2020-03-05 |
US11826003B2 (en) | 2023-11-28 |
CN112638226A (en) | 2021-04-09 |
US20210251465A1 (en) | 2021-08-19 |
DE102018214644A1 (en) | 2020-03-05 |
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