EP4444152A1 - Bestimmen eines anzunehmenden härtegrads von wasser - Google Patents
Bestimmen eines anzunehmenden härtegrads von wasserInfo
- Publication number
- EP4444152A1 EP4444152A1 EP22844633.2A EP22844633A EP4444152A1 EP 4444152 A1 EP4444152 A1 EP 4444152A1 EP 22844633 A EP22844633 A EP 22844633A EP 4444152 A1 EP4444152 A1 EP 4444152A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hardness
- degree
- household appliance
- water
- area
- 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
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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
-
- 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
- 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
- A47L2401/11—Water hardness, acidity or basicity
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/20—Washing liquid condition, e.g. turbidity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
- D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
Definitions
- the present invention relates to the determination of a degree of hardness of water.
- the invention relates to the determination of a degree of hardness to be assumed when operating a household appliance that works with the water.
- a household appliance is set up to be operated within a household and to fulfill a predetermined task.
- the household appliance preferably works with water that is taken from a public supply network.
- a dishwasher can be connected to the mains supply and can draw a predetermined amount of water from the mains supply for cleaning dishes.
- a degree of hardness of the water may have to be taken into account for the operation of the household appliance.
- the degree of hardness generally indicates a molar concentration of cations of alkaline earth metals dissolved in the water and possibly also their associated anionic partners.
- Water hardness is also commonly known as the amount of lime in the water.
- the degree of hardness can be specified according to the SI system of measurement or according to a national system. In Germany, the degree of hardness is usually given in degrees German hardness (°dH).
- a quantity of rinse aid which depends on the degree of hardness of the water used for cleaning, should be distributed in the interior when drying the cleaned dishes. Determining the locally applicable degree of hardness can be complex. The degree of hardness to be assumed for the operation of the household appliance can be set, for example, by a user based on information from an operator of the supply network.
- One of the objects on which the present invention is based is to provide an improved technique for determining a degree of hardness of water, in particular for operation of a household appliance.
- the invention solves the problem by means of the subject matter of the independent claims. Subclaims reflect preferred embodiments.
- a household appliance works with water from a supply network.
- a first method for operating the household appliance comprises the steps of detecting a location of the household appliance; determining a degree of hardness of water in the supply network in an area that includes the installation site; and controlling the home appliance based on the determined severity level.
- the degree of hardness can be set easily and automatically without user intervention. This can ensure that the degree of hardness is set correctly, so that the household appliance can perform a predetermined function in an improved manner. A durability of the home appliance can be improved.
- the degree of hardness relating to the area is queried from an external location.
- the external body can determine degrees of hardness for a large number of areas and provide them quickly on request.
- the area can be determined by a zip code. Zip codes are used almost worldwide and rarely changed. A predetermined area is assigned to each postal code, which is usually based on conditions similar to those of the supply network. For example, a boundary between two areas of different zip codes almost never crosses a natural watercourse such as a river. Thus, there can be a correlation between the area of a zip code and the area of a well that provides water to the area.
- ZIP codes are usually sufficiently fine-grained to allow determination of the degree of hardness.
- the areas assigned to the postcodes are large enough to effectively anonymize the place of installation.
- the zip code can be provided by a user of the home appliance. Alternatively, a postal address may be provided and the zip code may be determined based on a zip code directory. If the location of the household appliance is otherwise known, the user can refrain from making an entry.
- a user's satisfaction with a past operation of the household appliance can be determined. The area, the determined level of satisfaction and the degree of hardness on which the operation is based can then be sent to the external agency. The external body can then adjust a specific degree of hardness for the area based on the information transmitted. If, for example, a degree of hardness provided by the external agency has led to an unsatisfactory result when operating the household appliance, the external agency can set the degree of hardness higher or lower for a future request.
- a second method for determining an expected degree of hardness of water in a predetermined area of a supply network comprises steps of determining degrees of hardness, each of which was based on an operation of a household appliance that was installed in the area; where the household appliance works with water from the mains supply and was operated in the same area; and determining the level of severity to be assumed with respect to the underlying levels of severity.
- assumed degrees of hardness and the qualities associated with them can be collected centrally from companies of a large number of household appliances and processed together in order to better determine degrees of hardness of water in the supply network.
- the method can be carried out with respect to a large number of areas, so that a predetermined area, which can for example follow national borders of a predetermined country, can be completely covered.
- the information from the large number of household appliances can be selected according to predetermined criteria, linked to one another in a predetermined manner or processed, for example using a statistical method.
- the method can be flexibly parameterized in such a way that the degrees of hardness provided are as accurate as possible or lead to the most satisfactory results possible if they are based on the operation of a household appliance.
- only household appliances of the same type are taken into account. This procedure can be advantageous in particular when a request for a degree of hardness is also made with regard to a type of household appliance. For example, slightly different degrees of hardness can lead to improved operating results for the operation of a kettle, a dishwasher and a washing machine.
- for the centrally determined degree of hardness only degrees of hardness are taken into account that were taken as a basis for operating a household appliance with which an assigned user was satisfied to more than a predetermined degree. In other words, only degrees of hardness that have led to a sufficiently good operating result for a household appliance can be taken into account.
- a reverse embodiment in which degrees of hardness that have led to poor operating results when operating household appliances are taken into account in a negative manner, is also conceivable.
- an attempt can be made to adjust an apparently incorrectly determined degree of hardness up or down in order to improve a result when operating a household appliance.
- the severity level to be assumed is matched with a severity level determined on the basis of an external information source.
- the external information source can, for example, relate to an automatically or manually maintained database of location-related degrees of hardness of water in the supply network. Obtaining information from the external source may be less reliable than determining a severity level based on operating results of household appliances.
- the external source of information may be chargeable. The external source of information can be used in particular if a reliable determination based on existing experience with household appliances is not sufficient.
- the level of hardness to be assumed may be matched to a level of hardness that is metrologically determined in the predetermined area.
- the metrological determination can be complex, but provide degrees of hardness with a high degree of reliability and/or accuracy.
- the metrological determination of degrees of hardness can take place, for example, as part of quality assurance. Degrees of hardness in different areas can be randomly or systematically determined and taken into account.
- the manner in which an assumed degree of hardness is matched to a degree of hardness determined in some other way can be predetermined.
- a flexible adaptation of the method to existing circumstances or specifications can take place through suitable parameterization.
- a weighting of a degree of hardness, on which operation of a household appliance was based, and a degree of hardness determined in some other way can be controllable.
- the weighting may reflect a number of considered severity levels in the operation of household appliances. The less experience there is with household appliances with regard to a degree of hardness, the more heavily a degree of hardness from an external information source can be weighted. If a predetermined number of experiences of household appliances to be taken into account is not reached, the degree of severity can be determined entirely on the basis of other sources of information.
- a household appliance set up to work with water drawn from a mains supply comprises a control device set up to carry out a first method described herein.
- the control device can comprise a programmable microcomputer or microcontroller and the method can be in the form of a computer program product with program code means.
- the household appliance is set up to heat the water when the household appliance is operated.
- the household appliance can include a cleaning machine such as a washing machine or a dishwasher.
- the household appliance can also include a coffee machine, a kettle or an air humidifier, for example.
- an information device includes a data memory and a communication interface for communication with at least one household appliance described herein.
- the information device is set up to carry out a second method described here.
- the information device can be designed as a central point for inquiries from a large number of household appliances.
- a local responsibility of the information center can include a predetermined number of predetermined areas which, taken together, can cover a predetermined country, for example.
- the information device preferably also includes an interface for connecting to a further information source for a degree of hardness of water. As a result, the information device can determine the degree of hardness not only on the basis of experience with existing household appliances, but alternatively or additionally from an external information source.
- the information device is preferably set up to partially or completely carry out a second method described herein.
- the information device can include a programmable microcomputer or microcontroller. Advantages or features between the information device and the second method can be transferrable.
- the processing device can be set up to carry out a method described herein in whole or in part.
- the processing device can include a programmable microcomputer or microcontroller, and the method can be in the form of a computer program product with program code means.
- the computer program product can also be stored on a computer-readable data carrier. Additional features or advantages of the method can be transferred to the device or vice versa.
- Figure 1 shows a system
- FIG. 2 shows a flow chart of a first method
- Figure 3 shows a flow chart of a second method.
- Figure 1 shows a system 100, an information device 105 and at least one
- Household appliance 110 includes.
- the information device 105 and the household appliance 110 can communicate with each other via a network 115 .
- the network 115 can include, for example, the Internet, a home network, or a cellular network. It is preferable for an information device 105 to be available in the manner of a central external location for a large number of household appliances 110 .
- a first household appliance 110 includes a kettle and a second household appliance 110 includes a washing machine; however, other types are also possible.
- Each household appliance 110 includes a control device 120 and a communication device 125.
- the household appliances 110 are operated with water from a supply network 132, which is shown symbolically as a water tap in FIG. Water from the supply network 132 can be made available to a household appliance 110 manually, for example by filling it in, or automatically if the household appliance 110 has a corresponding reference valve.
- a home appliance 110 further includes an interaction device 130 that can be used to sample an input from a user or to provide an output to a user.
- a separate interaction device 130 for example in the form of a smartphone, can be used to provide an input or an output from a user to the household appliance 110 or the information device 105.
- the network 115 can be used for transmission.
- the information device 105 preferably comprises a control device 135 and a communication device 140.
- at least one first data memory 145 is preferably provided.
- a second data memory 150 is optionally provided, which in another embodiment can also be included in another central location.
- an interface 155 via which an external information source 160 can be contacted.
- the first data memory 145 is set up to record information about water hardness in different predetermined areas of the supply network 132 . Circumstances under which a water hardness was determined can be stored for this purpose. The circumstances preferably include an indication of location in the form of an area in which a household appliance 110 can be installed. The area can be defined by a zip code, for example. In addition, information about past operating cycles of household appliances 110 relating to the determination of water hardness can be stored in the first data memory 145 . In particular, information about the operation of a household appliance 110, an area in which the household appliance 110 is installed, a degree of hardness on which the operation is based and a user's satisfaction with the operation of the operation are stored. Additional or different information can also be stored in the first data memory 145 .
- the second data store 150 may include information that associates a household appliance 110 with a household or a user. This information can include, for example, a location, a device type, usage information, a time of purchase or service measures. In addition, multiple devices associated with the same user or household may be associated with each other in the second data store 150 . Information that a user inputs or reads out via an interaction device 130 can be recorded in the second data memory 150 or taken from it.
- the household appliance 105 can transmit information that allows the information device 105 to determine the degree of hardness in the area of the household appliance 110 or to improve or adapt a degree of hardness that has already been determined.
- the information device 105 can try, according to different heuristics, to use information provided by a large number of household appliances 110 for improved determination of degrees of hardness of water in the supply network 132 . For example, a statistical procedure can be selected. In another embodiment, a machine learning method may be used, for example using an artificial neural network.
- FIG. 2 shows an exemplary flowchart of a first method 200, which can be executed in particular by a household appliance 110.
- the household appliance 110 can be started.
- an operating run or a program sequence for carrying out a predetermined activity can be started.
- a kettle 110 can, for example, involve heating up a quantity of water that has been filled in; in a dishwasher 110, cleaning dishes that have been loaded according to a predetermined program.
- a user's satisfaction with a previously performed operating run of the household appliance 110 can be recorded. To do this, a user may be prompted to provide their satisfaction. This can be done specifically an effect observed by the user, for example the lack of staining of glasses cleaned in a dishwasher 110.
- a degree of hardness can be determined, on which the operational run was based.
- the determined parameters can be transmitted to the information device 105 in a step 225 .
- information can be provided that indicates, for example, a type of household appliance 110, a specific household appliance 110, a location, a household associated with household appliance 110, or other information.
- a response from the information device 105 can be received.
- the answer can include a degree of hardness, which, according to the findings of the information device 105, is to be taken as a basis for subsequent operation of the household appliance 110.
- the level of hardness received can be accepted or matched with the locally set level of hardness.
- the household appliance 110 can then be operated on the basis of the degree of hardness determined.
- FIG. 3 shows a flowchart of an exemplary second method 300, which can be carried out in particular by means of an information device 105.
- an area can be selected from a plurality of predetermined areas.
- the regions may collectively cover a predetermined territorial area, such as a country.
- operations of household appliances 110 in the selected area can be determined. Only predetermined household appliances or only predetermined operating cycles can be taken into account.
- degrees of hardness of water in the supply network 132 on which the operating runs are based can be determined.
- a degree of hardness to be assumed for the predetermined area can be determined on the basis of the information about previous operating cycles of the household appliances 110 .
- a degree of hardness for the present area can be selected in a step 325 an external information source 160 can be determined.
- the manner in which the information obtained externally is weighted in relation to information determined internally can be predetermined by means of a parameter.
- an adaptation to a metrological determination of the degree of hardness that has taken place can take place.
- An assumed level of hardness can be formed on the basis of one or more sources.
- the degree of hardness to be assumed for the selected area can be stored.
- information that led to the formation of the degree of hardness to be assumed is stored in order to facilitate a later re-evaluation when further information is available.
- the steps of the second method 300 mentioned can be repeated for a large number of predetermined areas for which the information device 105 is responsible.
- the method 300 is performed only when needed for a predetermined area.
- the determined degree of hardness to be assumed can be provided to the first method 200 in its step 230 .
- parameters that are transmitted from the first method 200 in step 225 to the information device 105 can flow into steps 310 and 315 of the second method 300 .
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021213943.4A DE102021213943A1 (de) | 2021-12-08 | 2021-12-08 | Bestimmen eines anzunehmenden Härtegrads von Wasser |
| PCT/EP2022/084752 WO2023104866A1 (de) | 2021-12-08 | 2022-12-07 | Bestimmen eines anzunehmenden härtegrads von wasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4444152A1 true EP4444152A1 (de) | 2024-10-16 |
Family
ID=84982339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22844633.2A Pending EP4444152A1 (de) | 2021-12-08 | 2022-12-07 | Bestimmen eines anzunehmenden härtegrads von wasser |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4444152A1 (de) |
| DE (1) | DE102021213943A1 (de) |
| WO (1) | WO2023104866A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025132916A1 (en) * | 2023-12-21 | 2025-06-26 | Electrolux Appliances Aktiebolag | Control of a household appliance |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008042290B4 (de) | 2008-09-23 | 2021-05-12 | BSH Hausgeräte GmbH | Verfahren zum Betreiben eines Hausgeräts und Hausgerät mit einer Eingabeeinheit |
| US20100287709A1 (en) | 2009-05-13 | 2010-11-18 | Whirlpool Corporation | Appliance with water hardness determination |
| DE102012221119A1 (de) | 2012-11-19 | 2014-05-22 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät |
| CN104746292A (zh) * | 2015-03-19 | 2015-07-01 | 无锡小天鹅股份有限公司 | 洗衣机及其控制方法和洗衣机系统 |
| DE102017223226A1 (de) * | 2017-12-19 | 2019-06-19 | Henkel Ag & Co. Kgaa | Verwendung von externen Informationen beim Betreiben einer Haushaltsvorrichtung |
| DE102018202308B4 (de) * | 2018-02-15 | 2021-10-14 | BSH Hausgeräte GmbH | Steuerung von Hausgeräten |
| DE202021101886U1 (de) * | 2021-04-08 | 2021-04-29 | Everdrop Gmbh | System zum Bestimmen eines Waschmittels, einer Waschmittelzusammensetzung und/oder einer Waschmittelmenge, computerlesbares Speichermedium und System mit Waschmaschine |
-
2021
- 2021-12-08 DE DE102021213943.4A patent/DE102021213943A1/de active Pending
-
2022
- 2022-12-07 WO PCT/EP2022/084752 patent/WO2023104866A1/de not_active Ceased
- 2022-12-07 EP EP22844633.2A patent/EP4444152A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023104866A1 (de) | 2023-06-15 |
| DE102021213943A1 (de) | 2023-06-15 |
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