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
  • A47L15/0049—Detection or prevention of malfunction, including accident prevention
• • 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 
  • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
• • 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 
  • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
  • D06F33/74—Responding to irregular working conditions, e.g. malfunctioning of pumps 
• • 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
  • D06F58/00—Domestic laundry dryers
  • D06F58/32—Control of operations performed in domestic laundry dryers 
  • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
  • D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
  • A47L2401/10—Water cloudiness or dirtiness, e.g. turbidity, foaming or level of bacteria
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
  • A47L2401/12—Water temperature
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
  • A47L2401/18—Air temperature
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
  • A47L2401/19—Air humidity
• • 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
  • A47L2501/01—Water supply, e.g. opening or closure of the water inlet valve
• • 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
  • A47L2501/02—Water discharge, e.g. opening or closure of discharge valve
• • 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
  • A47L2501/22—Loading doors, e.g. door latches, inflatable door seals
• • 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
• • 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
  • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply
• • 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
  • D06F2103/16—Washing liquid temperature
• • 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
  • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
  • D06F2103/28—Air properties
  • D06F2103/32—Temperature
• • 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
  • D06F2105/02—Water supply
• • 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
  • D06F2105/44—Opening, closing or locking of doors
• • 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
  • D06F2105/58—Indications or alarms to the control system or to the user
• • 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
  • D06F2105/58—Indications or alarms to the control system or to the user
  • D06F2105/60—Audible signals
• • 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
  • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
• • 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
  • D06F34/14—Arrangements for detecting or measuring specific parameters
  • D06F34/22—Condition of the washing liquid, 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
  • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
  • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress

Definitions

• the invention relates to a domestic appliance with a device for protection against harmful environmental influences.
• the invention relates to a domestic appliance with a control device, a treatment container for receiving objects to be treated, an optical and / or acoustic display device and at least one sensor, and a method for its operation.
• Home appliances such as washing machines, dryers and dishwashers are generally operated today under defined conditions in a room. It is generally assumed that both temperature, humidity and air composition are in a particular, common for installation areas in a household area. Domestic appliances are therefore generally equipped at most with mechanisms for a disturbance occurring within the domestic appliance. For example, in a dryer, an automatic shutdown may be provided if the temperature of the process air is too high, or in a washing machine, if it comes to water damage due to a disturbed water supply or burst water hoses or could come.
• “Detrimental environmental influences” in the sense of the invention are in particular weather influences such as too low or too high temperatures and / or heavy rain, contamination of used treatment media such as air and water and vibrations (eg due to earthquakes) may result in an installation of the household appliance outdoors.
• DE 10 2008 043 760 B3 relates to a method for determining operating conditions of a domestic appliance in which a temperature of a domestic appliance appliance and / or a domestic appliance component is detected by a temperature sensor in a program operation of the domestic appliance, wherein in an initialization phase prior to program operation an ambient temperature is detected by means of the temperature sensor.
• DE 10 2007 035 066 A1 describes a de-icing method of a drum washing machine in which, after receiving a de-icing command from a user, a hot water supply operation is initiated. If, after performing a water draining operation, the water level has not yet decreased, a heating operation and an additional draining operation is performed.
• US Pat. No. 6,255,952 B1 describes a method for operating a washing machine in which the temperatures of the surroundings and of the incoming water are monitored. If there is a risk of frost or abnormal water temperature, the washing process is stopped and the user is warned.
• a heating element is flooded at frost risk, which then can heat the filled amount of water.
• the object of the invention is to provide a domestic appliance which can be operated even under ambient conditions under which harmful environmental influences may occur without being damaged. Moreover, it is an object of the invention to provide a method for operating such a household appliance.
• the object underlying the invention is achieved by a domestic appliance and a method according to respective independent claim. Preferred embodiments of the invention are listed in the respective dependent claims. Preferred embodiments of the domestic appliance according to the invention correspond to preferred embodiments of the method according to the invention, even if it is not separately pointed out here.
• the invention thus relates to a domestic appliance with a control device, a treatment container for receiving objects to be treated, an optical and / or acoustic display device and at least one sensor, wherein the sensor is a sensor for measuring at least one property of an environment of the domestic appliance, at least one Property is a pollution of air and / or water used in a treatment process, and
• control device is designed such that the implementation of a treatment method is only permitted if a value of the measured property within an allowable stored in the control device
• the display device indicates the performance or non-performance of the treatment process.
• treatment method is here to be construed broadly and may include, in addition to a cleaning process, which in particular washing and rinsing, also include a method in which to be treated objects dried or equipped with certain chemical substances (dyes, odors, etc.).
• the term "property of an environment of the domestic appliance” is to be construed broadly and includes also the characteristics of the domestic appliance for a method of supplying supplied air and / or supplied water ,
• the senor is a turbidity sensor. Additional, additional properties may be ambient temperature and / or humidity.
• sensors may be a turbidity sensor and / or a humidity sensor.
• the sensor may be mounted inside the home appliance or outside, generally on an outside surface of the domestic appliance.
• a sensor mounted within the domestic appliance can measure a property of the environment, in particular a temperature, even when the sensor is arranged in the interior of the domestic appliance during a longer, non-operating state.
• an NTC sensor of the heater can be used for the measurement. It should be noted, however, that the operation of the household appliance lies so long ago that a cooling to the ambient temperature has taken place. Otherwise only one temperature of the household appliance would be measured.
• the senor is arranged on an outer surface of the domestic appliance.
• the type of sensor used depends essentially on the nature of the property to be measured of the environment.
• the sensor may be a temperature sensor, a humidity sensor, an optical sensor for determining turbidity of air or water as a measure of soiling or a vibration sensor.
• the sensor can also be arranged inside the domestic appliance, for example in a conduit in which water or air is conducted.
• a domestic appliance is designed for operation in a specific temperature range.
• the temperature range 5 ° C - 40 ° C is often specified for the ambient temperature range during the operation of laundry care equipment, based on the EN60721-3-3, Class 3K3 standard.
• a temperature range of 5 ° C - 35 ° C often applies due to the process air to be suctioned.
• the specified temperature ranges may vary regionally.
• the GB / T4288-2008 standard for the Chinese market specifies an ambient temperature range of 0 ° C - 40 ° C as the allowable ambient temperature range.
• a warning on a display device makes sense.
• the household appliance is very particularly preferably a water-conducting domestic appliance which is selected from the group consisting of a washing machine, a washer-dryer, a dryer and a dishwasher.
• a washing machine generally has a tub as well as a rotatable in the tub, preferably horizontally rotatable, mounted drum as a treatment container for receiving laundry items to be cleaned.
• a washing machine generally also has a lye drainage system arranged at the bottom of the lye container with a drain pump and generally also laundry hoppers and / or scooping devices.
• a pressure sensor and / or a temperature sensor are arranged in a washing machine in the tub. Pressure and temperature sensor, if present, are preferably in a lower portion of the tub, so that pressure and / or temperature of an aqueous liquid present in the tub can be measured.
• control device is designed such that in the presence of water in the domestic appliance, a temperature sensor measures the temperature and outputs a signal on the display device when the temperature range is outside a predetermined temperature range.
• the domestic appliance according to the invention has in particular an optical and / or acoustic display device.
• an optical and / or acoustic display device for example, one or more buzzers with different sounds or sounds, or a speech synthesizer with messages such as "freezing danger” or “water too dirty”, “air too dirty” could be used as the acoustic display device.
• Corresponding qualitative and quantitative information on the nature and extent of a harmful environmental impact and measures to be initiated can also be given via an optical display device (LED or LCD).
• a user of the domestic appliance in particular a laundry care device such as a washing machine or a dryer, in the form of visual or acoustic information via a control panel in a simple way monitoring of a treatment process can be made possible.
• the following display options can be applied.
• this is based on the example of a water-bearing household appliance, in which the measured temperature as the property of the environment to be measured.
• one or more LEDs may be provided with a particular flash sequence and / or mode Illuminating be provided.
• a special flashing sequence or a specific sequence mode of LEDs inform that a temperature of the environment of the household appliance, and thus an operating temperature of the domestic appliance before the start of a treatment process, ie a program start, for example, the value 5 ° C below or the value 40 Exceeds ° C.
• the LEDs could fall below or exceeding the measured temperature such that the predetermined temperature range is left, change the color of the LEDs. This can be done, for example, for a special START LED. If, on the other hand, the measured value of the temperature is within the specified range, the LEDs or the START LED light up in a defined operating color.
• an additional beep can be used. This has the particular advantage that the monitoring of a relatively remotely placed domestic appliance, which is located for example on a terrace or a balcony, can be easily realized. In addition, as already indicated, a linguistic indication that indicates that the temperature range has fallen below or exceeded is also possible.
• a panel can also be equipped with a special symbol for hypothermia or overheating. This is driven or illuminated in embodiments when the temperature range is undershot or exceeded.
• the measured value of the temperature can be displayed.
• this display can be supported by a corresponding flashing sequence, a color change and / or a beep.
• Combinations of the aforementioned display options can also be realized. For example, the fact that a frost symbol appears alternatively or in addition to a displayed temperature value in the display.
• the control device is designed such that the implementation of a treatment method is only permitted if a value of the measured property lies within an allowable range for the measured property stored in the control device. This may mean a certain temperature range or a certain maximum degree of contamination of water or air. However, it may be important to a user of the domestic appliance that a treatment process in the domestic appliance can be carried out without much delay. For example, it may take a long time for the property of interest to change itself (for example, a change in temperature).
• the domestic appliance therefore has a remedial device which makes it possible to set a value for the property in the permissible range in the domestic appliance.
• the type of remedial device will depend on the nature of the property.
• the remedial device is a parking heater, which makes it possible to heat the domestic appliance or at least for carrying out the treatment process relevant components of the domestic appliance to a temperature in the predetermined range.
• the relevant parts would be, in particular, parts which may come into contact with water or moist objects.
• the auxiliary heater can be a separate heater or an existing anyway in the appliance heater.
• auxiliary heating not only means the heater as such, but a system of heating and configured for the operation of the heater as a heater control means. For example, an operation of the heater with a certain power and / or duration may be provided in the control device.
• a heated by the heater in particular air
• the domestic appliance is suitably distributed in the domestic appliance.
• the remedial device is a filtration device and / or a chemical treatment device in order to clean the air intended for a treatment process and / or the water intended for the treatment process. It can thus be provided that the air and / or water to be used is treated by filtration and / or treatment with an oxidizing agent, so that the contamination lies in a region stored in the control device.
• the filtration device used in embodiments of the invention is not limited according to the invention, as long as a desired filtration effect is achieved.
• the filtration device for water is a reverse osmosis device, a nanofiltration device, an electrodialysis device and / or an ion exchanger.
• a filter with a predetermined mesh size or an absorbent such as activated carbon could be used.
• the need for filter replacement or cleaning of the filtration device may also be indicated.
• a further sensor for controlling the functioning of the filtration device is then generally present in the domestic appliance.
• a chemical treatment device is preferably present for the treatment of dirty air or dirty water, in which, for example, an oxidizing agent is held or introduced.
• the oxidizing agent can then free them by oxidation of chemical and biochemical impurities or at least reduce their concentration.
• the oxidizing agent may be added in gaseous, liquid or solid form.
• the oxidizing agent may be, for example, hydrogen peroxide, another peroxide compound, a hypochlorite or ozone.
• the passage of the aqueous liquid through the filtration device and / or the chemical treatment device is carried out using a pump.
• a pump which is generally present as part of a liquor drainage system can be used. It can be provided according to the invention that such a remedial device is taken into operation automatically or at the instigation of a user of the domestic appliance.
• control device present in the domestic appliance according to the invention generally also controls the treatment method.
• the control device can not only make a decision on the feasibility of a treatment process, ie allow or not allow operation, and / or effect a corresponding acoustic and / or visual display on a display device. It is preferred that it be provided in the control device of the domestic appliance that an access door of the domestic appliance can only be opened for the introduction of objects to be treated, if the property is within the predetermined range.
• the invention also relates to a method for operating a household appliance with a control device, a treatment container for receiving objects to be treated, an optical and / or acoustic display device and at least one sensor for measuring at least one property of an environment of the domestic appliance, wherein
• control device is designed such that the implementation of a treatment method is only permitted if a value of the measured
• the display device indicates the performance or non-performance of the treatment process, and wherein at least one characteristic is the contamination of air and / or water used in a treatment process, with the sensor measuring the contamination and with the allowable range stored in the control device is compared for the measured pollution, with a value of the measured pollution outside this range, a performance of a treatment process is not allowed and the implementation or not performing the treatment process on the display device is displayed.
• a touch of a component of the domestic appliance causes a measurement of the property by the sensor and an access door of the domestic appliance can only be opened for the introduction of objects to be treated, if the property is within the predetermined range.
• the type of component generally depends on the type of household appliance. Since the domestic appliance according to the invention has a treatment container for receiving objects to be treated, there is generally also an access door for the treatment container. Preferably, therefore, the component is the access door.
• this component may also be an induction bowl, which may be opened for the presentation of laundry or other laundry detergents.
• a control button of any kind could generally be provided on the household appliance, after its operation, in principle, the readiness of the domestic appliance for carrying out a treatment process is checked.
• the invention may be a further property as a temperature, be used as a further sensor, a temperature sensor, the allowable range, a temperature range of 0 ° C to 45 ° C, and in the event that the measured temperature T is a predetermined lower temperature limit T
• 0wNm is preferably 2 ° C, and most preferably 5 ° C.
• the domestic appliance is a washing machine, wherein a water supply is locked in the washing machine in a Dolphinstattung the implementation of the treatment process.
• 0W reaches or falls below 0 ° C pumped out of the household appliance.
• the water in a washing machine for example, be present in the tub and / or the laundry drum.
• water can also be located, for example, in a condensate tray or a condensate container.
• the measurement of the property of an environment can be continuous or discontinuous.
• the determined measured values can also be stored in order to realize an adaptive domestic appliance.
• a user of the domestic appliance can be given by this also recommendations for the use of the domestic appliance.
• the invention has the advantage that it is possible in a simple and efficient manner to protect a domestic appliance from harmful environmental influences. This not only allows a user to set up and operate the domestic appliance, for example a laundry care appliance such as a washing machine, according to the requirements, but also to achieve the least harmless or trouble-free operation of the domestic appliance even if the domestic appliance is set up disadvantageously. Thus, the invention contributes to the value of a household appliance.
• the measurement of properties of the environment of the domestic appliance enables a simple assessment of an operational readiness of the domestic appliance and / or the usability of air and water to be used for a treatment method.
• a user of the domestic appliance is enabled to take steps to remedy, so that finally the domestic appliance can be put into use.
• an automatic decision with regard to the implementation or modification of a method to be carried out in the domestic appliance is possible.
• a device for compensating or preventing the harmful effects is present, for example, a filter device for polluted water and / or air and / or a heater.
• FIG. 1 A non-limiting embodiment of the invention is shown in the following figure, wherein a washing machine is given as an example of a domestic appliance according to the invention.
• the figure is a schematic representation of a frontal sectional view of an embodiment of a washing machine as an example of an inventive Household appliance.
• a treatment tank 3 which is here a laundry drum, as to be treated and in particular to be washed or rinsed objects.
• access to the treatment container 3 is possible via an access door 11.
• water For the washing and rinsing of the laundry items 4 water is used, which is provided via a water inlet 13 from an external water supply, not shown here.
• the water passes through a turbidity sensor 15 for detecting contamination of the water first in a chemical treatment device 10 and then in a filtration device 9. Subsequently, the purified water passes through a dispenser 12, possibly with not shown here detergent, via a supply line 14 in the Treatment tank 3, where with the laundry a treatment process can be performed.
• one permissible range for values of the property is predetermined for one or more properties of the environment of the domestic appliance 1.
• this is in particular a temperature range of 5 ° C to 40 ° C and a range for a permissible degree of contamination of the usable water, which is predetermined here by a maximum allowable turbidity.
• inadmissibly high turbidity by contrast, infiltration of contaminated water into the washing machine 1 is not possible, since a valve, not shown here, lying directly behind the turbidity sensor 15, remains closed.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Control Of Washing Machine And Dryer (AREA)

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Citations (7)

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• 2012
  • 2012-06-12 DE DE102012209751.1A patent/DE102012209751B4/de active Active
• 2013
  • 2013-06-07 CN CN201380030979.0A patent/CN104603349B/zh active Active
  • 2013-06-07 WO PCT/EP2013/061763 patent/WO2013186125A1/de active Application Filing

Patent Citations (7)

Non-Patent Citations (1)

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