EP4076123A1 - Geschirrspülmaschine, anordnung mit einer geschirrspülmaschine und verfahren zum betreiben einer geschirrspülmaschine - Google Patents
Geschirrspülmaschine, anordnung mit einer geschirrspülmaschine und verfahren zum betreiben einer geschirrspülmaschineInfo
- Publication number
- EP4076123A1 EP4076123A1 EP20819718.6A EP20819718A EP4076123A1 EP 4076123 A1 EP4076123 A1 EP 4076123A1 EP 20819718 A EP20819718 A EP 20819718A EP 4076123 A1 EP4076123 A1 EP 4076123A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dirt
- unit
- dishwasher
- type
- sensor signal
- 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.)
- Pending
Links
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- 239000011159 matrix material Substances 0.000 claims abstract description 57
- 238000005406 washing Methods 0.000 claims abstract description 36
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- 238000004891 communication Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 9
- 239000002689 soil Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 235000013305 food Nutrition 0.000 claims description 5
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims 1
- 235000008960 ketchup Nutrition 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
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- 241000209094 Oryza Species 0.000 description 3
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- 235000009566 rice Nutrition 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 2
- 235000010746 mayonnaise Nutrition 0.000 description 2
- 239000008268 mayonnaise Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000020095 red wine Nutrition 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
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- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
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- 235000019219 chocolate Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000010411 cooking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 235000012020 french fries Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 229910052573 porcelain Inorganic materials 0.000 description 1
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- -1 rinse aid Substances 0.000 description 1
- 235000013580 sausages Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
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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
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0063—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using remote monitoring or controlling of the dishwasher operation, e.g. networking systems
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
- A47L15/0028—Washing phases
-
- 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
- A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
-
- 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
- A47L15/4295—Arrangements for detecting or measuring the condition of the crockery or tableware, e.g. nature or quantity
-
- 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
- A47L15/46—Devices for the automatic control of the different phases of cleaning ; 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
- A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
- A47L2301/06—Crockery or tableware details, e.g. material, quantity, condition
-
- 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
- A47L2401/04—Crockery or tableware details, e.g. material, quantity, condition
-
- 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
- A47L2401/34—Other automatic detections
-
- 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
- A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions
Definitions
- Dishwasher arrangement with a dishwasher and method for operating a dishwasher
- the present invention relates to a dishwasher, an arrangement with a dishwasher and a computing unit, and a method for operating a dishwasher.
- Known dishwashers include a sensor system that can detect various operating parameters when carrying out a washing program.
- a control device of the dishwasher can, depending on the value of an operating parameter, adapt one or more wash program parameters in order to improve the wash result.
- sensors are known that analyze the washing liquor and thus conclude that there is dirt in the washing liquor.
- the washing liquor can be completely or partially replaced with fresh water.
- US 2009/0071508 A1 describes a dishwasher with a controllable spray arm which can be controlled in such a way that it emits a washing liquid in a targeted manner on areas with increased contamination.
- DE 102012223243 A1 describes a household appliance that is set up for data transmission with a mobile terminal device with an integrated camera. With the camera of the mobile terminal, an image of contamination in or on the household appliance can be captured and transmitted to a server, which analyzes the image of the contamination and transmits a cleaning program suitable for the contamination to the mobile terminal.
- DE 102014208861 A1 describes a water-bearing household appliance which has a receiving unit for receiving at least one signal from a device coupled to the household appliance, a number of actuators for executing a plurality of programs, a selection unit for selecting a program from the plurality of programs as a function of the received at least one signal and has a control unit which is set up to control the actuators for executing the selected program.
- a dishwasher in particular a domestic dishwasher, is proposed with a control device for carrying out a washing program for washing soiled items to be washed.
- the dishwasher comprises a receiving unit for receiving a sensor signal indicative of a type of dirt of a plurality of types of dirt adhering to the dirty items to be washed, each of the types of dirt being determined by a dirt parameter matrix in which each position is assigned to a dirt parameter is. Furthermore, a determination unit is provided which is set up to determine the type of dirt adhering to the soiled wash ware as a function of the received sensor signal.
- the control device is set up to carry out the washing program as a function of the determined type of dirt.
- This dishwasher has the advantage that the control device can optimally adapt the wash program to the determined types of dirt, which is why a wash result is optimized.
- 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 respective unit for example the receiving unit and the determination unit, can be implemented in terms of hardware and / or software.
- the respective unit can be designed, for example, as a computer or as a microprocessor.
- the respective unit can be used as a computer program product, as a function, as a routine tine, as part of a program code or as an executable object.
- the respective unit can form part of another unit or the control device.
- the receiving unit includes, for example, a modem and is coupled to at least one sensor or can be coupled at times.
- the coupled or couplable sensor is set up to output the sensor signal to the receiving unit.
- the sensor signal is indicative of the type of dirt adhering to the soiled items to be washed.
- a number of different types of dirt are distinguished.
- Each of the types of dirt is determined by a dirt parameter matrix.
- Each position in the dirt parameter matrix, that is to say each matrix entry, is assigned to a dirt parameter.
- a dirt parameter is understood in particular to be an abstract value that can be calculated, for example, from the sensor signal by means of a predetermined method or algorithm. In this respect, a predetermined method or an algorithm can be assigned to each dirt parameter.
- a predetermined method can also include a machine learning method.
- dirt parameters can also be present in an arrangement other than in a matrix, for example as a list, a table or the like.
- the arrangement in a matrix can be advantageous for mathematical operations.
- the type of dirt "ketchup” should be able to be recognized in a photo. Ketchup is often reddish in color, which is why it is a way of analyzing the red coloration of spots in the photo. This can be done by means of a corresponding algorithm which outputs the value "1" as the result for a completely red spot and the value "0" for a spot in which the color red does not appear. A high value of the dirt parameter defined in this way is therefore an indication that the dirt type "ketchup" is present. In order to avoid confusion with other types of dirt, such as red wine, further dirt parameters must be defined, such as, for example, a morphology and / or structure of the stain.
- the determination unit is set up to determine the type of dirt adhering to the items to be washed.
- the determination unit can in particular be set up to determine at least one type of soil for every soiling or for every stain on the items to be washed.
- the determination unit determines one or more of the dirt parameters as a function of the sensor signal.
- the determination of the type of dirt can become more precise with each additional specific dirt parameter.
- dirt parameter red color
- ketchup and red wine can almost certainly be excluded if a certain threshold value for this dirt parameter is not reached.
- the determination unit can, for example, determine a percentage of the respective types of dirt covered. Furthermore, a different type of dirt can be determined for spatially distributed dirt for different areas on the items to be washed.
- the control device can carry out an optimal washing program.
- Various wash program parameters can be adapted here, such as the amount of water, a wash liquor temperature, a circulation pump speed, the duration of individual wash program sections such as pre-wash, main wash, final rinse and / or drying, an amount and / or type of detergent added, dosing times for the detergent or several different detergents, such as detergents, enzymes, rinse aid, bleach and the like chen more. It is therefore possible to achieve both an optimal washing result and a minimization of the use of chemicals to support the washing process as well as the water and / or energy consumption.
- this comprises an automatic dosing system which is set up for the automatic dosing of at least one cleaning agent.
- the automatic metering system is preferably set up for metering several cleaning agents as required.
- the control device of the dishwasher machine is directed in particular to control the automatic metering system.
- the sensor signal includes image information of the soiled items to be washed.
- the image information is, for example, a digital photo of the soiled wash ware that was captured by a camera of the dishwasher or also by an external camera and is transmitted to the receiving unit.
- a type of dirt can be determined on the basis of the image information.
- a form of soiling of the items to be washed that is to say geometric and / or morphological factors of the soiling, are taken into account.
- a type of dirt can be inferred indirectly via a shape and / or a material of the items to be washed, since, for example, a liquid food, such as a soup, is served in a bowl or the like.
- the shape and / or the material of the items to be washed can also be determined on the basis of the image information.
- the determination unit comprises an image processing unit which is set up to determine a value for at least one of the dirt parameters contained in the dirt parameter matrix as a function of the image information.
- the image processing unit can in particular have a graphics processor and / or a new ronal network.
- a database unit, a generating unit and a comparison unit are provided, the database unit being set up to store a dirt parameter matrix for each of the plurality of types of dirt, a respective dirt parameter matrix for each of the dirt -Parameter comprises a predetermined value or range of values, wherein the generating unit is set up to generate a current dirt parameter matrix as a function of the determined value for the at least one dirt parameter, the comparison unit for comparing the generated current dirt Parameter matrix is set up with at least a subset of the dirt parameter matrices stored in the database unit and to output a comparison result, and the determination unit is set up to determine the type of dirt adhering to the soiled wash ware as a function of the comparison result.
- the dirt parameter matrices stored in the database unit form a reference, the entries of which, that is to say the values of the dirt parameters, are typical values for a certain type of dirt. These reference matrices are provided, for example, by the manufacturer of the dishwasher.
- a soil parameter matrix is determined for items to be washed soiled with exactly one type of soil. It is advantageous here if the type of dirt is not mixed with other types of dirt. In order to allow for a certain scattering of individual values for dirt parameters, which can originate, for example, from a lighting situation when the image of the items to be washed is captured, an interval can be used in the respective dirt parameter matrix for a type of dirt instead of a single value and / or a tolerance range or error range be indicated.
- the interval or the tolerance range can be determined empirically, in particular, by determining a respective value for a dirt parameter for a large number of different sensor signals, each of which was detected from a wash item with exactly one type of dirt, and then a statistical evaluation of the lot number of values is carried out.
- different dirt parameter matrices are stored for different combinations of the type of dirt and material of the items to be washed, since, for example, the shape of a stain can depend on the material of the items to be washed, such as plastic, glass, metal or porcelain.
- the generating unit generates a current dirt parameter matrix, the values of which for the dirt parameters are determined or calculated as a function of the received sensor signal.
- the comparison unit compares the generated current dirt-parameter matrix with one or more of the stored dirt-parameter matrices. Under compare will in particular understood here that each entry of the current dirt parameter matrix is compared with the corresponding entry of exactly one of the stored dirt parameter matrices which corresponds exactly to one type of dirt. For each of these comparisons of individual values of dirt parameters, an individual comparison value is determined, which represents a measure of agreement.
- the measurement system used here can be designed in different ways. In particular, it can be provided that the measurement system for different dirt parameters of a dirt parameter matrix is different. Furthermore, the system of measurement for the same dirt parameters for different dirt types, that is to say for different dirt parameter matrices, can be different. In this way, weighting for particularly characteristic dirt parameters for individual types of dirt can be achieved.
- the comparison result is output based on the comparison of the current dirt parameter matrix with exactly one of the stored dirt parameter matrices.
- the comparison result is particularly indicative of whether the respective type of dirt is present on the items to be washed or not. For example, in the case of identical matrices, a match of 100% can be output as the comparison result.
- an individual comparison value does not necessarily have to be available for each dirt parameter in order to determine the comparison result. If only a few individual comparison values are available, this can be made clear, for example, by means of an error or confidence interval based on the comparison result. The error or the confidence interval is determined by the comparison unit and output with the comparison result.
- the determination unit determines on the basis of the comparison result which type of dirt adheres to the items to be washed. For example, the determination unit records the comparison result of the comparison unit for each comparison carried out, preferably for each of the stored dirt parameter matrices.
- the determination unit is set up, for example, to determine several types of dirt. The determination of whether a type of dirt is present on the items to be washed can, in turn, be carried out using different measurement systems. For example, if there is a match of 100%, it is determined that the corresponding type of dirt is present on the items to be washed.
- a learning unit is provided which is set up to adapt at least one of the dirt parameter matrices stored in the database unit as a function of certain values for at least one dirt parameter.
- the learning unit is set up to optimize the at least one stored dirt parameter matrix. For example, this can be done in the context of a learning mode in which a user specifically specifies items to be washed soiled with individual types of dirt. Alternatively, a confirmation for a certain type of dirt can be queried by the user in normal operation of the dishwasher. Regular inquiries of this type can improve the determination of the type of dirt over time.
- the sensor signal includes information relating to a washing solution used for washing the soiled items to be washed.
- the dishwasher has a wash liquor sensor that detects cloudiness in the wash liquor during the wash program.
- the cloudiness of the washing liquor can be contained in the dirt parameter matrix for a particular type of dirt in the form of a dirt parameter. In this way, the determination of the type of dirt can be further improved.
- a conductivity of the washing liquor and / or a pH value of the washing liquor can be recorded and output as a sensor signal.
- the sensor signal includes information relating to a food prepared and / or consumed by a user of the dishwasher in a specific time interval before the start of the washing program.
- the dishwasher is networked with a food processor, a hob and / or an oven, or also with a digital cookbook and / or calendar that the user uses.
- a network can take place, for example, via a WLAN or LAN, or by means of Bluetooth®.
- the specific time interval is, for example, a few hours or a day.
- control device is set up to adapt the execution of a running wash program.
- the adaptation is preferably carried out as a function of a sensor signal received during the implementation, such as, for example, a sensor signal received from a turbidity sensor.
- a camera is arranged on the dishwasher, the camera being set up to detect an optical sensor signal of the items to be washed and to output the detected optical sensor signal to the receiving unit.
- the camera is arranged on the dishwasher in such a way that it detects the optical sensor signal of the items to be washed when the items to be washed are loaded into the dishwasher.
- a statistics unit is provided which is set up to determine a frequency distribution which includes a frequency of occurrence of different types of dirt, the determination unit being set up to determine the type of dirt adhering to the soiled items to be washed depending on the frequency distribution.
- the statistics unit determines the frequency distribution in particular as a function of the types of dirt determined and over longer periods of time. This means that the statistical unit stores, for example, each determined type of dirt, preferably together with a respective time stamp of the time of determination. For each of the types of dirt This gives a certain statistical probability for their occurrence.
- the frequency distribution can be different for different users due to different preferences. From the frequency distribution, for example, patterns relating to the occurrence of certain types of dirt can be read off. An example of a pattern is that there is fish with potatoes to eat on Fridays, which results in certain types of dirt. Another example of a pattern is that wine is particularly consumed in the evening.
- the frequency distribution can be advantageous if two types of dirt are determined with the same uncertainty during one determination, that is, if their comparison result is the same. Then, for example, the type of dirt that occurs more frequently in the frequency distribution can be selected, since the probability of its occurrence is greater.
- a correlation unit can be provided, which in particular can also be part of the statistics unit.
- the correlation unit is set up to provide a correlation between different types of dirt and / or to determine it on the basis of the frequency distribution determined by the statistics unit.
- ketchup For example, a correlation between ketchup and fat can be determined, since foods containing fat, such as French fries or grilled sausage, are preferably consumed with ketchup.
- a communication unit is provided which is set up for communication with an external unit, in particular with an external kitchen appliance, a mobile device, and / or a server.
- the server is, for example, a server of a service provider and / or a manufacturer of the dishwasher.
- the server can be queried to provide dirt parameter matrices of different types of dirt.
- the communication unit can transmit the received sensor signal to the server, which evaluates it and reports the detected types of dirt back to the dishwasher.
- a user interface is provided for detecting a user input as a function of a determined type of dirt by the determination unit.
- the user interface can in particular be implemented by an application that is installed on a mobile device of the user.
- the respective unit for example the database unit, the comparison unit, the determination unit, the image processing unit, the generation unit, the learning unit, the statistics unit and / or the correlation unit can be implemented in terms of hardware and / or software.
- the respective unit can be designed, for example, as a computer or as a microprocessor.
- the respective unit 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.
- an arrangement with a dishwasher, in particular a domestic dishwasher, and a computing unit is proposed, the dishwasher and the computing unit being set up for data communication with one another.
- the dishwasher comprises a control device for carrying out a washing program for washing soiled items to be washed.
- the computing unit comprises a receiving unit for receiving a sensor signal indicative of a type of dirt of a plurality of types of dirt adhering to the soiled wash ware, each of the types of dirt being determined by a dirt parameter matrix in which each position is assigned to a dirt parameter, wherein a determination unit is provided which is set up to determine the type of dirt adhering to the soiled wash ware as a function of the received sensor signal.
- the control device is set up to carry out the washing program as a function of the determined type of dirt.
- the computing unit receives the sensor signal in particular from the dishwasher.
- the processing unit can send the sensor signal from one to the dishwasher machine external device, for example a mobile device of the user of the dishwasher Ge received.
- the data communication between the dishwasher and the computing unit takes place in particular via the Internet, a communication connection being established, for example, by means of WLAN, cellular radio, a VPN and the like.
- the computing unit preferably comprises a server.
- the computing unit can also be designed as an instance of an application on a server.
- the computing unit can advantageously have a very high computing power, which is why it is possible to determine the type of dirt as a function of the sensor signal in a short time using complex algorithms.
- the various units such as the determination unit, the image processing unit, the database unit, the generation unit, the comparison unit, the learning unit, the statistics unit, etc., can be designed as a component of the arithmetic unit.
- the computing unit transmits, for example, the determined type of dirt to the control device, whereupon it carries out the washing program as a function of the determined dirt type.
- a method for operating a dishwasher, in particular a domestic dishwasher, with a control device for carrying out a washing program for washing soiled items to be washed is proposed.
- a sensor signal indicative of a type of dirt from a plurality of types of dirt adhering to the soiled wash ware is received, each of the types of dirt being determined by a dirt parameter matrix in which each position is assigned to a dirt parameter.
- the type of dirt adhering to the soiled items to be washed is determined as a function of the sensor signal.
- the washing program is carried out depending on the type of dirt determined.
- This method is preferably carried out with a dishwasher according to the first aspect. The method can accordingly also be carried out with the arrangement comprising a dishwasher and a computing unit according to the second aspect.
- a computer program product which comprises instructions which, when the program is executed by a computer, cause the computer to execute the method according to the third aspect.
- a computer program product such as a computer program means, for example, can be provided or delivered as a storage medium such as a memory card, USB stick, CD-ROM, DVD, or in the form of a downloadable file from a server in a network. This can be done, for example, in a wireless communication network by transmitting a corresponding file with the computer program product or the computer program means.
- Fig. 1 shows a schematic perspective view of an embodiment of a dishwasher Ge
- Fig. 2 shows a general example of a dirt parameter matrix
- Fig. 3 shows specific examples of three dirt parameter matrices
- Fig. 4 shows a schematic block diagram of an embodiment of a dishwasher
- FIG. 5 shows a schematic block diagram of an exemplary arrangement with a dishwasher and a computing unit
- Fig. 6 shows a schematic block diagram of an exemplary embodiment for a method for operating a dishwasher.
- the domestic dishwasher 1 comprises a washing container 2 which can be closed, in particular watertight, by a door 3.
- a sealing device can be provided between the door 3 and the washing container 2.
- the washing container 2 is preferably cuboid.
- the washing container 2 can be arranged in a housing of the household dishwasher 1.
- the washing compartment 2 and the door 3 can form a washing area 4 for washing items 30 to be washed.
- the door 3 is shown in FIG. 1 in its open position.
- 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 floor 7, a ceiling 8 arranged opposite the floor 7, a rear wall 9 arranged opposite the closed door 3 and two side walls 10, 11 arranged opposite one another.
- the floor 7, the ceiling 8, the rear wall 9 and the side walls 10, 11 can be made of stainless steel sheet, for example be.
- the bottom 7 can be made of a plastic material.
- the domestic dishwasher 1 also has at least one washware receptacle 12 to 14.
- the washware receptacle 12 being a lower washware receptacle or a lower basket
- the washware receptacle 13 an upper washware receptacle or an upper basket
- the washware receptacle 14 a cutlery drawer.
- the items to be washed 12 to 14 are net angeord one above the other in the washing container 2.
- Each washware receptacle 12 to 14 can optionally be moved into or out of the wash container 2.
- each washware receptacle 12 to 14 can be pushed or moved into the washing container 2 in an insertion direction E and can be pulled out or pulled out of the washing container 2 in a pull-out direction A counter to the insertion direction E.
- a control device 15 for carrying out a washing program for washing soiled items to be washed 30 is also arranged on the door 3.
- the control device 15 comprises a receiving unit 16 (see FIG. 4) for receiving a sensor signal indicative of a type of dirt SA, SB, SC of a plurality of types of dirt SA, SB, SC adhering to the soiled wash ware 30.
- Each of the dirt types SA, SB, SC is determined by a dirt parameter matrix MXA, MXB, MXC (see FIG. 3).
- the dirt is, for example, fat SA, remnants of rice SB and a dark sauce SC.
- the control device 15 has a determination unit 20 (see FIG.
- control device 15 executes the washing program as a function of the determined type of dirt SA, SB, SC in order to achieve an improved cleaning result.
- FIG. 2 shows a general example of a dirt parameter matrix SMX.
- the general form of the dirt parameter matrix SMX shown has a number of nxm entries, where n is the number of rows and m is the number of columns.
- Each of the entries a_11, a_12, ..., a_1m, a_21, ... a_n1, ... a_nm stands for a dirt parameter.
- the examples for dirt parameters a_11-a_nm shown in Table 1 are based on an optical sensor signal which includes image information of the dirty items to be washed 30 (see FIG. 1).
- the image information is received by the receiving unit 16, in particular, as a digital image that includes a multiplicity of pixels. Those pixels that show soiling are designated in Table 1 as soiling pixels.
- a determination rule can be predetermined which specifies how the respective dirt parameter a_11-a_nm is determined on the basis of the digital image of the items to be washed 30.
- Various dirt parameters a_11-a_nm can be completely independent of one another, such as, for example, "mean distance between the dirt pixels from a center of the items to be washed" and “mean value of the green value of all dirt pixels", or they can be mutual dependencies have, such as "mean value of the green value of all dirt pixels” and "standard deviation of the mean value of the green value”.
- the various dirt parameters a_11-a_nm have, in particular, characteristic values, that is, the values lie in a certain range that can be determined empirically, for example.
- characteristic values For example, rice grains have a certain size, for example 1-10 mm, and shape, for example elliptical, these values depending, for example, on a viewing angle and the type of rice.
- Spaghetti has an elongated, contiguous, curvilinear structure. Characteristic properties can be used for each type of dirt in order to combine a plurality of dirt parameters a_11 - a_nm to form a dirt parameter matrix SMX in such a way that the characteristic properties can be distinguished, i.e. the types of dirt can be identified based on the values of the dirt -Parameters a_11 - let a_nm recognize.
- FIG. 3 shows specific examples of three dirt parameter matrices MXA, MXB, MXC for three dirt types SA, SB, SC (see FIG. 1), the dirt parameter matrices MXA, MXB, MXC only for reasons of clarity four dirt parameters included. Furthermore, an example of an ascertained current dirt parameter matrix MXi is shown.
- the types of dirt SA, SB, SC are, for example, a dark sauce SA, mayonnaise SB and chocolate sauce SC.
- the sensor signal is a digital image of the soiled items 30 (see FIG. 1).
- the dirt parameters a_11 - a_nm (see FIG. 2), for example, have the meaning of a spatial distribution of dirt pixels on the items to be washed, an average brightness of the dirt pixels, a homogeneity of an area formed by the dirt pixels and a number of Dirt pixels, the brightness of which is below a threshold value, normalized to the total number of dirt pixels.
- the dirt parameter matrices MXA, MXB, MXC are, for example, characteristic of the respective dirt type SA, SB, SC.
- the sensor signal of the soiled items to be washed 30 is detected.
- a photo of the items to be washed 30 is taken and transmitted to the receiving unit 16.
- the current dirt parameter matrix MXi is determined on the basis of the sensor signal, in that the value of each dirt parameter a_11 - a_nm is determined on the basis of the sensor signal.
- the comparison of the current dirt parameter matrix MXi with the dirt parameter matrix MXA shows, for example, that all values of the current dirt parameter matrix MXi lie within the respective value range of the dirt parameter matrix MXA. This results in a very high probability that the type of dirt SA is present on the items to be washed 30.
- the comparison with the further dirt parameter matrices MXB, MXC shows deviations in at least one dirt parameter a_11-a_nm.
- the probability that the type of dirt SB is present on the items to be washed 30 is very low, since all parameter values are outside the respective value range of the dirt parameter matrix MXB.
- the probability that the type of dirt SC is present on the items to be washed 30 is mediocre, since two parameter values lie outside the respective value range of the dirt parameter matrix MXC.
- This comparison result can be interpreted in different ways.
- a first interpretation could be that only the type of dirt SA is present on the items to be washed 30.
- a second interpretation could be that the type of dirt SA with a small amount of Type of dirt SB is present on the items to be washed.
- the interpretation of the comparison result is carried out in particular by a determination unit 20 (see FIG. 4).
- FIG. 4 shows a schematic block diagram of an exemplary embodiment of a dishwasher 1. It is, for example, the domestic dishwasher 1 of FIG. 1.
- the domestic dishwasher comprises a control device 15, a receiving unit 16, a camera 17, a user interface 18, and a determination unit 20 which has as components an image processing unit 21, a generation unit 23 and a comparison unit 24, a database unit 22, a learning unit 25, a statistics unit 26 and a communication unit 27.
- the receiving unit 16 is set up to receive a sensor signal from soiled wash ware 30 (see FIG. 1).
- the sensor signal can be provided by the camera 17 in the form of an image or photo of the items to be washed 30.
- the sensor signal can be received by an external unit 50, for example a mobile device belonging to the user.
- the sensor signal can be received by the communication unit 27 and provided to the receiving unit 16.
- the receiving unit 16 transmits the received sensor signal to the determination unit 20.
- the determination unit 20 is set up to determine a type of dirt SA, SB, SC (see FIG. 1) adhering to the items to be washed 30.
- the sensor signal includes an image of the items to be washed 30.
- the image processing unit 21 processes the received sensor signal. In particular, a value is determined for each dirt parameter a_11-a_nm.
- the generation unit 23 generates a current dirt parameter matrix MXi from the determined values (see FIG. 3).
- the comparison unit 24 compares the current dirt parameter matrix MXi with stored dirt parameter matrices MXA, MXB, MXC (see FIG. 3), which it retrieves from the database unit 22.
- the current dirt parameter matrix MXi is preferably compared with each stored dirt parameter matrix MXA, MXB, MXC.
- a probability is determined, for example, that the type of dirt SA, SB, SC represented by the respective stored dirt parameter matrix MXA, MXB, MXC is present on the items to be washed 30.
- the determination unit 20 determines which of the types of dirt SA, SB, SC is present on the items to be washed 30 and forwards this to the control device 15 out.
- the control device 15 then carries out a washing program that is especially specially adapted to the existing types of dirt SA, SB, SC.
- the user of the household dishwasher 1 can be informed about recognized types of dirt SA, SB, SC and / or the user can be asked to confirm a recognized type of dirt SA, SB, SC.
- Such feedback from the user can advantageously be used by the learning unit 25 to adapt the dirt parameter matrices SA, SB, SC stored in the database unit 22, so that the determination of the dirt types SA, SB, SC is improved in the future.
- the statistics unit 26 is set up on the basis of the determined types of dirt SA,
- the communication unit 27 is set up in particular for communication with other household appliances of the user, such as a food processor, a cooking device and / or a refrigerator, or with applications such as a digital cookbook or calendar of the user. Additional information relating to an expected type of dirt SA, SB, SC can be received and evaluated from these external devices in order to improve the determination of the dirt types SA, SB, SC.
- FIG. 5 shows a schematic block diagram of an exemplary arrangement with a dishwasher 1, for example the domestic dishwasher 1 of FIG. 1, and a computing unit 100.
- the dishwasher 1 and the computing unit 100 are set up to communicate with one another by means of a communication link DATA.
- the computing unit 100 is designed, for example, as a server and can be reached via the Internet.
- the dishwasher 1 therefore includes a network interface, such as a WLAN module, so that it can establish a communication link with the server 100 via an Internet connection for the user.
- the dishwasher 1 can have a relatively simple structure. In particular, it can be sufficient if the dishwasher has a control device 15 (see FIG. 1 or 4).
- the receiving unit 16 (see FIG. 4) and the determination unit 20 (see FIG. 4) are in particular included in the server 100.
- optional units such as an image processing unit 21 (see FIG. 4), a generation unit 23 (see FIG. 4), a comparison unit 24 (see FIG. 4), a database unit 22 (see FIG. 4), a learning unit 25 (see FIG. 4) and / or a statistical unit 26 (see FIG. 4) are preferably also included in the server 100, but can also be included in the dishwasher 1.
- This arrangement has the particular advantage that the high computing power of the server 100 is available for determining the types of dirt SA, SB, SC (see FIG. 1), which shortens the duration of the determination.
- Fig. 6 shows a schematic block diagram of an embodiment of a procedural Ren for operating a dishwasher 1, in particular the household dishwasher 1 of FIG. 1 or 4, but also the dishwasher 1 in the arrangement with the computing unit 100 of FIG Dishwasher 1 comprises a control device 15 (see FIG. 1 or 4) for carrying out a washing program for washing soiled items 30 (see FIG. 1).
- a sensor signal indicative of a type of dirt SA, SB, SC (see FIG. 1) of a plurality of types of dirt SA, SB, SC adhering to the soiled wash ware 30 is received Soiled wash ware 30 adhering type of dirt SA, SB, SC determined as a function of the sensor signal.
- the washing program is carried out as a function of the determined type of dirt SA, SB, SC.
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102019220423.6A DE102019220423A1 (de) | 2019-12-20 | 2019-12-20 | Geschirrspülmaschine, Anordnung mit einer Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine |
PCT/EP2020/084424 WO2021122030A1 (de) | 2019-12-20 | 2020-12-03 | Geschirrspülmaschine, anordnung mit einer geschirrspülmaschine und verfahren zum betreiben einer geschirrspülmaschine |
Publications (1)
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EP4076123A1 true EP4076123A1 (de) | 2022-10-26 |
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EP20819718.6A Pending EP4076123A1 (de) | 2019-12-20 | 2020-12-03 | Geschirrspülmaschine, anordnung mit einer geschirrspülmaschine und verfahren zum betreiben einer geschirrspülmaschine |
Country Status (5)
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US (1) | US20230036605A1 (de) |
EP (1) | EP4076123A1 (de) |
CN (1) | CN114828722A (de) |
DE (1) | DE102019220423A1 (de) |
WO (1) | WO2021122030A1 (de) |
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BE1029784B1 (de) * | 2021-09-21 | 2023-04-24 | Miele & Cie | Steuervorrichtung und Verfahren zum Ansteuern eines Reinigungsprozesses zum Reinigen von Geschirr in einem Reinigungsgerät und Reinigungsgerät |
DE102022112031A1 (de) | 2022-05-13 | 2023-11-16 | Miele & Cie. Kg | Verfahren zum Reinigen von Spülgut, Verfahren zum Einlernen von Spülparametern, Vorrichtung und Spülgerät |
WO2024041733A1 (en) * | 2022-08-24 | 2024-02-29 | V-Zug Ag | Optimized program for a household device |
CN117158852B (zh) * | 2023-11-03 | 2024-03-05 | 南通腾宇环保设备有限公司 | 一种节水环保洗涤工艺控制方法 |
Family Cites Families (13)
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SE517992C2 (sv) * | 2000-11-29 | 2002-08-13 | Asko Cylinda Ab | Metod för rengöring av tvätt/diskgods i en tvätt/diskmaskin och anordning för genomförande av metoden |
US7400407B2 (en) * | 2005-08-31 | 2008-07-15 | Avago Technologies Ecbu Ip Pte Ltd | Meter for measuring the turbidity of fluids using reflected light |
US8047024B2 (en) * | 2007-05-07 | 2011-11-01 | Whirlpool Corporation | Control and wash cycle for activation and deactivation of chemistry in the wash bath of an automatic washer |
US7959744B2 (en) | 2007-09-19 | 2011-06-14 | Whirlpool Corporation | Dishwasher with targeted sensing and washing |
US10905305B2 (en) * | 2011-05-20 | 2021-02-02 | Ecolab Usa Inc. | Automated cleaning method and apparatus |
DE102012223243A1 (de) | 2012-12-14 | 2014-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Geräteanordnung und Verfahren zur Ermittlung einer Reinigungsanweisung eines Hausgerätes mit einem, mit dem Hausgerät in Verbindung stehenden, mobilen Endgerät |
DE102014208861A1 (de) | 2014-05-12 | 2015-11-12 | BSH Hausgeräte GmbH | Wasserführendes Haushaltsgerät |
DE102016106430A1 (de) * | 2015-04-28 | 2016-11-03 | Miele & Cie. Kg | Geschirrspülmaschine |
DE102017212323A1 (de) * | 2017-07-19 | 2019-01-24 | BSH Hausgeräte GmbH | Haushaltsgeschirrspülmaschine und Verfahren zum Betreiben einer Haushaltsgeschirrspülmaschine |
DE102017212333A1 (de) * | 2017-07-19 | 2019-01-24 | BSH Hausgeräte GmbH | Haushaltsgeschirrspülmaschine und Verfahren zum Betreiben einer Haushaltsgeschirrspülmaschine |
US10952591B2 (en) * | 2018-02-02 | 2021-03-23 | Dishcraft Robotics, Inc. | Intelligent dishwashing systems and methods |
CN108836211B (zh) * | 2018-06-27 | 2021-11-09 | 北京小米移动软件有限公司 | 餐具清洗装置及方法 |
US10881266B2 (en) * | 2018-09-25 | 2021-01-05 | Whirlpool Corporation | Dishwasher and method of operation with settings influenced by food preparation |
-
2019
- 2019-12-20 DE DE102019220423.6A patent/DE102019220423A1/de active Pending
-
2020
- 2020-12-03 CN CN202080088017.0A patent/CN114828722A/zh active Pending
- 2020-12-03 WO PCT/EP2020/084424 patent/WO2021122030A1/de unknown
- 2020-12-03 EP EP20819718.6A patent/EP4076123A1/de active Pending
- 2020-12-03 US US17/781,765 patent/US20230036605A1/en active Pending
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US20230036605A1 (en) | 2023-02-02 |
WO2021122030A1 (de) | 2021-06-24 |
CN114828722A (zh) | 2022-07-29 |
DE102019220423A1 (de) | 2021-06-24 |
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