EP2697418B1 - Procédé pour détecter et indiquer un degré d'hygiène de linge et/ou de l'appareil de traitement du linge dans un appareil de traitement du linge ainsi que appareil de traitement de linge approprié à cet effet - Google Patents

Procédé pour détecter et indiquer un degré d'hygiène de linge et/ou de l'appareil de traitement du linge dans un appareil de traitement du linge ainsi que appareil de traitement de linge approprié à cet effet Download PDF

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Publication number
EP2697418B1
EP2697418B1 EP12715006.8A EP12715006A EP2697418B1 EP 2697418 B1 EP2697418 B1 EP 2697418B1 EP 12715006 A EP12715006 A EP 12715006A EP 2697418 B1 EP2697418 B1 EP 2697418B1
Authority
EP
European Patent Office
Prior art keywords
laundry
hygiene
laundry treatment
degree
ozone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12715006.8A
Other languages
German (de)
English (en)
Other versions
EP2697418A1 (fr
Inventor
Dirk Dedekind
Andreas Hanau
Julia SANNER
Hartmut Schaub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL12715006T priority Critical patent/PL2697418T3/pl
Publication of EP2697418A1 publication Critical patent/EP2697418A1/fr
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Publication of EP2697418B1 publication Critical patent/EP2697418B1/fr
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Classifications

    • 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
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • D06F34/32—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress characterised by graphical features, e.g. touchscreens
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/02—Characteristics of laundry or load
    • D06F2101/04—Quantity, e.g. weight
    • 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/02—Characteristics of laundry or load
    • D06F2101/06—Type or material
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/001—Washing machines, apparatus, or methods not otherwise provided for using ozone

Definitions

  • the invention relates to a method for detecting and displaying a degree of hygiene of laundry in a laundry treatment appliance and a particularly suitable laundry treatment appliance, see for example US-A-20030106164 ,
  • washing laundry at a low temperature Recently, there has been a trend for washing laundry at a low temperature.
  • the improvement of detergents and washing machines enables a good removal of soiling even at low temperatures.
  • the washing at low temperatures is increasingly dictated by the textile industry, since many laundry items should be washed after washing instructions only at 30 ° C or 40 ° C.
  • washing at low temperatures saves energy and thus protects the environment.
  • Microbial germs in contrast to soils, are generally invisible and can threaten health. If a washing machine is operated mainly in the low temperature range and with mild detergents, contamination and formation of a biofilm in the washing machine can occur.
  • Biofilms contain immobilized bacterial cells embedded in a polymer matrix of microbial origin and, in addition to microorganism cells, may contain abiotic or inorganic components in greater amounts, all being held together by mucus formed by bacteria.
  • the water content is relatively high with generally 80 to 95% of the moisture content. This fact also influences the hygiene level of laundry in a laundry treatment appliance.
  • a special hygiene program is sometimes activated in which, for example, using steam and / or provided with bioactive additives liquids or gases cleaning of the relevant parts of the laundry treatment appliance is performed.
  • the hygiene programs are not optimally adapted to the hygienic needs of the laundry treatment appliances, since the time, duration and intensity of the measures carried out in a hygiene program are not adjusted to the actual hygiene status in the laundry treatment appliance. It would therefore be desirable to obtain qualitative and in particular also quantitative information on the degree of hygiene of the laundry treatment appliance and in particular the degree of hygiene of the laundry contained in it.
  • the DE 102 37 854 A1 discloses a washing process in which an amount of ozone is introduced, discharged and discharged into a subset of the cleaning liquid and the amount of discharged ozone is compared and compared with the amount of ozone introduced to decide whether the cleaning process can be stopped.
  • US 2005 0 268 404 A1 shows a washing method in which after an ozone treatment by measuring the ozone content determines the degree of hygiene of the laundry and may prevent further use of the machine.
  • the DE 196 20 512 A1 discloses a washing machine with a display element, with which the user can be signaled whether in the last program, a heating of the washing liquid was to a minimum temperature or the implementation of a hygiene program is recommended.
  • the EP 2 108 726 A2 also shows a washing machine with a display element, which serves to indicate to the user that it is advisable to carry out a degermination program, depending on various parameters of the operating programs that have been run through.
  • the US 2003/0106164 A1 discloses a method for measuring the contamination of a wash liquor in a washer. With the measured alkali pollution can be determined by means of a model algorithm, the contamination of the laundry and then carried out the dosage of the detergent.
  • the invention thus relates to a method for detecting and displaying a degree of hygiene of laundry in a laundry treatment appliance and / or the laundry treatment appliance, which comprises a container for receiving laundry to be treated, a control device which is designed to carry out a plurality of selectable laundry treatment programs, and a display device wherein a hygiene level H res predicted after a selection of a laundry treatment program or a hygiene level H res of the laundry resulting after the passage of a selected laundry treatment program is displayed on the display device as a signal S1.
  • the predicted degree of hygiene H res is also understood as the resulting degree of hygiene H res .
  • the resulting hygiene level H res of the laundry is determined taking into account a predetermined or determined initial hygiene level H orig and / or the selected laundry treatment program.
  • the degree of hygiene is greater when a number of germs on the laundry is lower.
  • Hygienic grade in the sense of the present invention is thus understood to mean the degree of contamination of the laundry with germs.
  • the definition of the degree of hygiene is otherwise not limited.
  • the degree of hygiene of the laundry can thus be indicated, for example, as the number of germs per cm 2 , ie germs / cm 2 , on the surface of the laundry and determined in various ways. In a preferred embodiment of the method, therefore, the number n of germs per cm 2 of the surface of the laundry is used as a measure of the degree of hygiene.
  • the size of the nucleating unit known from microbiology is known in the context of the invention for quantitative data under one germ. KBE) or colony-forming unit (CFU).
  • a degree of hygiene can be determined, for example, by using a biosensor, which can preferably specifically indicate the presence and the number of germs. This can be done, for example, by adding laundry in the laundry treatment appliance with a certain amount of an aqueous liquid and examining the resulting solution with the biosensor.
  • a concentration or amount of a disinfecting agent such as e.g. Ozone of the degree of hygiene can be determined.
  • a concentration or amount of a disinfecting agent such as e.g. Ozone of the degree of hygiene
  • an initial degree of hygiene of the laundry treating appliance can be estimated from the history of the previous laundry treatment programs. It is assumed that, for example, in a sequence of so-called cold wash programs can accumulate over time in the laundry treatment device germs, since such programs have only a lower germ reduction effect than programs with a treatment temperature of greater than or equal to 60 ° C.
  • Cold wash programs are laundry treatment programs with a treatment temperature of less than or equal to 30 ° C.
  • the duration of treatment and the treatment agents used, in particular the detergents, of the previous laundry treatment programs also have an influence on the degree of hygiene in the laundry treatment appliance.
  • the setting and operating parameters of the previous laundry treatment programs stored in the control device for example the program selection, the treatment temperature, the program duration, the amount of laundry, the amount of water used, optionally selected special functions and / or the type and / or Amount of the treatment agent used to be evaluated.
  • a hygiene grade of the laundry treatment appliance determined or estimated from the setting and operating parameters serves, for example, as a measure of the initial degree of hygiene H orig .
  • a degree of hygiene of the laundry and / or the laundry treatment appliance can be determined by measuring the time reduction of ozone provided in the laundry treatment appliance for contact with the laundry by means of an ozone sensor, for example as a measure of the initial hygiene level H orig .
  • an ozone sensor for example as a measure of the initial hygiene level H orig .
  • the laundry-containing container of the laundry treatment device with an amount of M 1 is applied to ozone and the decrease .DELTA.M the amount M 1 of ozone after a predetermined time t set with an ozone sensor (b) and / or an ozone sensor (c).
  • a predetermined concentration C set is set to ozone and evaluated with a arranged in this container ozone sensor (c) time decrease of the concentration c of ozone as a measure of the degree of hygiene of the laundry.
  • a decay constant ⁇ of the ozone, corrected for the natural decomposition of the ozone, is advantageously used as a measure of the degree of hygiene.
  • a predetermined concentration C set of ozone is set in the container of the laundry treatment appliance can in particular also mean that an ozone-containing gas mixture or an ozone-containing liquid of unknown concentration of ozone is introduced into the container and first with the ozone sensor (c) Concentration C set of ozone is measured.
  • a concentration c in given and the concentration c out at the output from the container with an ozone sensor (b) measured, and the concentration difference ⁇ c c in -c out - ⁇ c dec , where ⁇ c dec is a measure of the natural decomposition of ozone, evaluated to determine the degree of hygiene of the laundry.
  • a concentration c in at ozone may in particular also mean that a Ozone-containing gas mixture or an ozone-containing liquid of unknown concentration of ozone is brought to the input and first with the ozone sensor (a) the concentration c in of ozone is measured.
  • the initial degree of hygiene H orig is determined using at least one sensor, in particular a biosensor or an ozone sensor.
  • empirical values for the initial degree of hygiene H orig can be used, for example an average value for the degree of hygiene of laundry to be treated of 10 8 germs / cm 2 . It can also be considered that the hygiene level of tea towels and underwear is generally worse than that of outerwear.
  • a hygiene grade H res predicted after selection of a laundry treatment program or a hygiene level H res of the laundry and / or the laundry treatment appliance resulting from the selected laundry treatment program is taken into account taking into account a predetermined or determined initial hygiene level H orig and of the selected one
  • Determines a laundry treatment program wherein preferably a difference .DELTA.H between the resulting hygienic level H res of the laundry and / or the laundry treatment appliance and a desired degree of hygiene H tar of the laundry on a display device is displayed as a signal S1.
  • the laundry treatment program will depend on the type of laundry treatment device. With a washing machine it will be in the Usually a washing program and a dryer for a drying program.
  • a washing program is usually after wetting the laundry to be treated, especially laundry to be washed, the laundry using a detergent and a predetermined amount of water at a likewise predetermined temperature profile for a certain period of time washed.
  • various rinsing steps may be provided.
  • the container is moved in a predetermined manner with the laundry, usually a rotatable drum, during a washing program, which generally also includes rinsing steps.
  • speed, direction of rotation, downtime and / or movement times of a drum can be selected differently.
  • the influence of these factors on an initial degree of hygiene H orig is generally either known or can be determined by experiments, so that a resulting degree of hygiene H res can be determined for different washing programs.
  • a relationship between the resulting hygiene level H res and the selectable laundry treatment programs is therefore stored in the control device of the laundry treatment device for predetermined values of the initial hygiene level H orig .
  • the container for receiving laundry to be treated according to the invention is generally a drum rotatable about a horizontal or vertical axis, preferably a horizontal axis.
  • “Movement program of the container” therefore generally means a succession of rotation and standstill phases of the drum.
  • the rotational speed of the drum may be different.
  • the direction of rotation of the drum can be changed.
  • reversing phases are possible in which the drum is first rotated in one direction and then, if necessary, after a short break, again rotated in the other direction, this process can be repeated several times.
  • a desired level of hygiene is to be H tar achieved after carrying out a laundry treatment program.
  • Modification of the laundry treatment program here means in particular that one of the aforementioned parameters such as temperature, movement program of the drum, duration of the program and its steps are changed such that the desired degree of hygiene H tar is at least achieved.
  • a type and / or amount of a detergent is determined by means of a detergent sensor in the laundry treatment appliance and the selected laundry treatment program is modified accordingly.
  • a set and automatically set by a user of the laundry treatment device type and / or amount of laundry is taken into account.
  • a difference ⁇ H (H res -H tar ) ⁇ 0 between the resulting hygienic level H res and a desired degree of hygiene H tar on the display device as a signal S2, which spatially, visually and / or acoustically different from signal S1, is displayed.
  • the display device may for example consist of one or more LEDs, which may indicate a degree of hygiene H res of the laundry, if necessary by lighting or non-lighting or by displaying different colors.
  • a liquid crystal display may be present.
  • the invention also relates to a laundry treatment appliance having a container for receiving laundry to be treated, a control device which is designed to carry out a plurality of selectable laundry treatment programs, and a display device, wherein the display device at least one display element, in particular a display or at least one LED , which is set up to indicate a resulting hygienic level H res .
  • the control means is arranged and the laundry treating appliance has means for carrying out a method of detecting and displaying a hygiene degree of laundry in the laundry treating appliance as described above.
  • the laundry treating appliance is generally a washing machine, a washer-dryer or a tumble dryer.
  • the laundry treatment appliance preferably contains as such means a device for providing ozone, in particular an ozone generator or else an opening or a buffer for an ozone-containing gas mixture or an ozone-containing liquid.
  • a device for providing ozone in particular an ozone generator or else an opening or a buffer for an ozone-containing gas mixture or an ozone-containing liquid.
  • sensors e.g. a detergent sensor, an ozone sensor and / or a biosensor, a pump or a blower for setting a desired flow of an ozone-containing air or an ozone-containing gas, an ozone removing device and / or various controllable closure devices.
  • a biosensor may be present in the laundry treatment appliance, for example, which can detect germs selectively in general.
  • the invention has the advantage that it is possible in a simple and efficient way to determine the hygiene level of laundry treatment equipment and display.
  • the method according to the invention makes it possible to provide improved laundry treatment programs and hygiene programs, in particular for improving the degree of hygiene.
  • a general improvement of the hygiene of the laundry is achieved, which also also for special user groups such. Allergy sufferers can be specifically improved.
  • the invention makes it possible to also take into account a disease or sensitivity of a user wearing the laundry.
  • a user of the laundry treating appliance is relieved of his uncertainty as to whether a particular laundry treatment program, e.g. a specific wash program meets its hygiene requirements. For example, in the case of a washing program "baby clothing", a positive confirmation of the washing result can be made. As a result, a carefree washing is possible, in addition to too high temperatures can be avoided. As a result, the laundry can be spared and energy consumption reduced.
  • a “scaled" level of hygiene a user of the laundry treatment appliance can also be given a positive affirmation for per se “less” hygienic laundry treatment programs.
  • FIG. 1 schematically shows the presently relevant parts of a washing machine, in which a method to be explained below can be performed.
  • the in the FIG. 1 1 has a tub 2, in which a drum 3 can be rotatably mounted as a container for laundry 7 about a horizontal axis of rotation 4 and operated by a drive motor 14.
  • the arrow indicates here the direction of rotation of the drum 3.
  • Wäschemitivity 34 and 5 Schmüinraumen 5 for the wash liquor 6 are on the inner surface of the drum shell available.
  • the washing machine 1 also has a water supply system, which in a water supply 8 arranged a water connection fitting, not shown here for the domestic water network, an electrically controllable valve 9 and a Waschstoffein Whynd ("Ein Stammschale") 11.
  • the water coming in via the water supply line 8 can transport detergent portions located there via the dispensing tube 11 into the tub 2 via the connecting tube 10.
  • the washing machine of FIG. 1 allows the determination of a hygiene level of laundry by the consumption of germs killing ozone.
  • a Venturi nozzle 26 is located in the water supply line 8, which in the embodiment shown here is connected via an ozone supply line 25 to an ozone generator 32.
  • the ozone generator 30 air is supplied in a supply air duct.
  • About the venturi 26 sucks in the water supply 8 flowing water from the domestic water network in the ozone supply line 25 located, ozone-containing air.
  • ozone passes together with water in the dispenser 11 and then in the tub 2 and the laundry 7 in the drum 3.
  • ozone can be introduced in principle as a gas.
  • FIG. 2 schematically the relationship between the achievable with a laundry treatment program level of hygiene H on the hand of the parameter treatment temperature T is shown.
  • the horizontal axis of the in FIG. 2 1 the treatment temperature T in ° C of a laundry treatment program is shown, and on the vertical axis, the achieved hygienic degree of the laundry after performing a laundry treatment program with that in FIG FIG. 2 applied treatment temperature T applied.
  • the degree of hygiene in percent of the remaining on the laundry after treatment germs of a normal with germs loaded laundry It is assumed that a piece of laundry normally loaded with germs has 100,000,000 germs per square centimeter of laundry area.
  • the in FIG. 2 shown functional relationship between the degree of hygiene H and the treatment temperature T should only qualitatively describe the context. Further, in addition to the treatment temperature T further operating parameters, such as treatment duration or type and amount of the treatment agent, the degree of hygiene H influence.
  • Such basic relationships between the degree of hygiene H, understood here as the predetermined degree of hygiene H orig , and the individual setting and / or operating parameters are stored in a control device 12.
  • a resulting hygiene level H res can be predicted from the program or functions associated setting and / or operating parameters, which after selecting the laundry treatment program on a display device 29 of the laundry treatment device as a signal S1 is shown.
  • the washing machine in the FIG. 1 not shown on an adjustment with which an operator can set the hygiene level H orig of the laundry to be treated or with possibly a further adjustment a desired degree of hygiene H tar pretend that can be displayed on the display device 29 or another display device.
  • the dispenser tray 11 When in the FIG. 1 In the embodiment shown, the dispenser tray 11 is connected to the tub 2 via a connecting tube (filling hose) 10. In addition, the dispenser 11 is connected via a first exhaust air duct 18 and the tub 2 via a second exhaust air duct 19 with an exhaust duct 17. In the first exhaust air duct 18 is also a first controllable closure device 33, such as flaps.
  • Ozone-containing air or ozone-containing aqueous liquid from the ozone generator 32 can pass through the dispensing dish 11 and the connecting tube 10 into the tub 2 and into the drum 3. Germs on the laundry located in the drum 3 7 are attacked by the ozone. This reduces the content of ozone in the air or in the aqueous liquid beyond the extent due to the natural decomposition of the ozone, so that the consumption of ozone as a measure of an initial degree of hygiene H orig of the laundry can be used.
  • an ozone sensor (a) 16 is arranged, with the aid of which in the embodiment shown here at a set by means of a suction pump 21 flow velocity v set a concentration c in ozone can be measured in front of the dispenser 11, which is used as a reference value for a in the following takes place decrease of the ozone concentration.
  • the concentration c out of ozone determined by means of an ozone sensor (b) 27 can be used to determine the decrease in the ozone concentration due to the killing of the germs.
  • the position of the ozone sensor (b) 27 is considered here as the output from the to be examined, laundry 7 containing drum 3.
  • the concentration difference ⁇ c c in -c out - ⁇ c dec , where ⁇ c dec is a measure of the natural decomposition of ozone, is determined evaluated the degree of hygiene of the laundry.
  • ozone-containing air at an open second controllable closure device 35 and a closed first controllable closure device 33 through the tub 2 and the second exhaust air duct 19 into the exhaust duct 17 pass.
  • the ozone concentrations are measured by ozone sensor (a) 16 and ozone sensor (b) 27.
  • the in the FIG. 1 shown embodiment of the laundry treatment machine also allows a specification of an initial level of hygiene H orig of the laundry by a default value can be specified, possibly taking into account the type of laundry used (underwear, tea towels, etc.), which may be set by a user on the laundry treatment appliance can.
  • the embodiment shown here also allows a determination of the degree of hygiene of the laundry via a direct measurement in the drum 7 containing the laundry 7.
  • an ozone sensor (c) 24 is arranged in the drum 3.
  • In the drum 3 can be adjusted by introducing a known amount or concentration of ozone, a predetermined concentration c set of ozone.
  • an ozone concentration initially determined by the ozone sensor (c) 24 can also be assumed as the reference point c set .
  • the time decrease of the concentration c of ozone measured with the ozone sensor (c) 24 is evaluated. Since ozone can also react with lifeless contaminants of the laundry, contamination of the laundry with dirt should preferably be taken into account.
  • an ozone removing device 20 which contains a filter unit containing activated charcoal 28, and a suction pump 21.
  • the ozone-containing air sucked in by the suction cup 11 and the tub 2 by means of the suction pump 21 passes into the ozone removing device 20 to remove excess ozone and the clean air via an exhaust outlet 22 in the installation room of the washing machine 1.
  • the suction pump 21 is disposed in the exhaust duct 17 between the ozone removing device 20 and the exhaust outlet 22.
  • An ozone sensor (d) 31 for measuring an ozone content is disposed between the ozone removing device 20 and the suction pump 21. A proper functioning of the ozone removing device 20 is present when the ozone sensor (d) 31 can detect no or only extremely small amounts of ozone.
  • a resulting degree of hygiene H res of the laundry 7 is determined, which is displayed as a signal S1 on a display device 29.
  • the display of the resulting hygienic degree H res of the laundry 7 may be determined by taking into account a predetermined initial hygiene level H orig and / or the selected laundry treatment program determined as described above, and after selecting a laundry program and / or after a selected laundry treatment program has been selected.
  • the signal S1 indicates the predicted or determined resulting hygienic grade H res .
  • the display device 29 is used for acoustic and / or visual indication of the degree of hygiene.
  • the valve 9 as well as the heater 13 can be controlled by a control device 12 in response to a flowchart which relates to a time program and / or to the achievement of certain measured values of parameters such as liquor level, liquor temperature , Speed of the drum, etc. may be bound within the washing machine.
  • the signals from the drive motor 14, biosensor 15, ozone generator 32, suction pump 21, ozone sensor (a) 16, ozone sensor (b) 27, ozone sensor (c) 24 and ozone sensor (d) 31 are fed to the control device 12, even if for reasons the clarity is not shown in each case.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (16)

  1. Procédé destiné à identifier et afficher un degré d'hygiène de linge (7) contenu dans un appareil de traitement de linge (1) et/ou de l'appareil de traitement de linge (1) lequel présente un réservoir (3) destiné à recevoir le linge (7) à traiter, un dispositif de commande (12) qui est équipé pour exécuter plusieurs programmes de traitement de linge sélectionnables, et un dispositif d'affichage (29), caractérisé en ce qu'un degré d'hygiène Hres du linge (7) et/ou de l'appareil de traitement de linge (1), pronostiqué à partir des paramètres de réglage et/ou de fonctionnement attribués au programme de traitement de linge après une sélection d'un programme de traitement de linge, est affiché sur le dispositif d'affichage (29) en tant qu'un signal S1, l'envergure d'une impureté due à des germes étant entendue par degré d'hygiène.
  2. Procédé selon la revendication 1, caractérisé en ce que le degré d'hygiène résultant Hres du linge (7) et/ou de l'appareil de traitement de linge (1) est déterminé en tenant compte d'un degré d'hygiène initial Horig, prédéfini ou déterminé, et/ou du programme de traitement de linge sélectionné.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'une différence ΔH entre le degré d'hygiène résultant Hres du linge et un degré d'hygiène souhaité Htar du linge (7) et/ou de l'appareil de traitement de linge (1) est affichée sur le dispositif d'affichage (29) en tant qu'un signal S1.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'au moins un paramètre de réglage et/ou de fonctionnement de programmes de traitement de linge antérieurs est mémorisé dans le dispositif de commande (12) et en ce qu'un degré d'hygiène initial Horig est déterminé à partir des paramètres de réglage et/ou de fonctionnement de programmes de traitement de linge antérieurs.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un rapport entre le degré d'hygiène résultant Hres du linge et/ou de l'appareil de traitement de linge (1) et les programmes de traitement de linge sélectionnables est mémorisé dans le dispositif de commande (12) pour des valeurs prédéfinies du degré d'hygiène Horig prédéfini ou initial.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le degré d'hygiène initial Horig est déterminé en utilisant au moins un capteur (15).
  7. Procédé selon la revendication 6, caractérisé en ce que le degré d'hygiène initial Horig est déterminé du fait que la diminution temporelle d'ozone fourni dans l'appareil de traitement de linge (1) pour le contact avec le linge (7) et/ou des parties de l'appareil de traitement de linge (1) est mesurée comme mesure pour le degré d'hygiène initial Horig au moyen d'un capteur d'ozone (16, 24, 27).
  8. Procédé selon la revendication 7, caractérisé en ce que le réservoir (3), contenant le linge (7), de l'appareil de traitement de linge (1) est alimenté en ozone avec une quantité M1 et en ce que la diminution ΔM de la quantité M1 d'ozone est mesurée après un temps prédéfini tset au moyen d'un capteur d'ozone (b) (27) disposé à une sortie du réservoir (3) et/ou au moyen d'un capteur d'ozone (c) (24) disposé dans le réservoir (3).
  9. Procédé selon la revendication 8, caractérisé en ce qu'une concentration prédéfinie cset d'ozone est réglée dans le réservoir (3) de l'appareil de traitement de linge (1) et en ce qu'une diminution temporelle de la concentration c d'ozone, mesurée au moyen d'un capteur d'ozone (c) (24) disposé dans ce réservoir (3), est évaluée en tant que mesure pour le degré d'hygiène du linge et/ou de l'appareil de traitement de linge (1).
  10. Procédé selon la revendication 9, caractérisé en ce qu'une constante de décomposition λ de l'ozone, corrigée en tenant compte de la décomposition naturelle de l'ozone, est prise en considération en tant que degré d'hygiène.
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le nombre n de germes (KBE) par cm2 sur la surface du linge et/ou de l'appareil de traitement de linge (1) est pris en considération en tant que mesure pour le degré d'hygiène du linge et/ou de l'appareil de traitement de linge (1).
  12. Procédé selon l'une quelconque des revendications 1 à 11, caractérisé en ce que lors de la constatation d'une différence ΔH = (Hres - Htar) < 0, le programme de traitement de linge sélectionné est modifié afin d'augmenter le degré d'hygiène Hres jusqu'à ce que la différence ΔH = (Hres - Htar) ≥ 0 soit obtenue.
  13. Procédé selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'une différence ΔH = (Hres - Htar) < 0 entre le degré d'hygiène résultant Hres et un degré d'hygiène souhaité Htar est affiché sur le dispositif d'affichage (29) en tant que signal S2, lequel se distingue du signal S1, notamment localement, optiquement et/ou acoustiquement.
  14. Appareil de traitement de linge (1), lequel présente un réservoir (3) destiné à recevoir le linge (7) à traiter, un dispositif de commande (12) qui est équipé pour exécuter plusieurs programmes sélectionnables de traitement de linge, et un dispositif d'affichage (29), caractérisé en ce que le dispositif d'affichage (29) comprend au moins un élément d'affichage, notamment un écran ou au moins une LED, qui est configuré pour l'affichage d'un degré d'hygiène Hres mémorisé dans le dispositif de commande (12) et pronostiqué à partir des paramètres de réglage et/ou de fonctionnement attribués au programme de traitement de linge, l'envergure d'une impureté due à des germes étant entendue par degré d'hygiène.
  15. Appareil de traitement de linge (1) selon la revendication 14, caractérisé en ce que le dispositif de commande (12) est réalisé pour et en ce que l'appareil de traitement de linge (1) présente au moins un capteur (15), le degré d'hygiène initial Horig étant déterminé en utilisant l'au moins un capteur (15).
  16. Appareil de traitement de linge (1) selon l'une quelconque des revendications 14 ou 15, caractérisé en ce que le dispositif de commande (12) est réalisé pour et en ce que l'appareil de traitement de linge (1) présente un dispositif (32) pour fournir de l'ozone dans l'appareil de traitement de linge (1) et au moins un capteur d'ozone (16, 24, 27, 31) afin de mesurer la diminution temporelle d'ozone fourni dans l'appareil de traitement de linge (1) pour le contact avec le linge (7) et/ou des parties de l'appareil de traitement de linge (1) en tant que mesure pour le degré d'hygiène initial Horig au moyen de l'au moins un capteur d'ozone (16, 24, 27).
EP12715006.8A 2011-04-12 2012-04-03 Procédé pour détecter et indiquer un degré d'hygiène de linge et/ou de l'appareil de traitement du linge dans un appareil de traitement du linge ainsi que appareil de traitement de linge approprié à cet effet Active EP2697418B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12715006T PL2697418T3 (pl) 2011-04-12 2012-04-03 Sposób rozpoznawania i wskazywania stopnia higieny bielizny i/lub urządzenia do obróbki bielizny w urządzeniu do obróbki bielizny oraz nadające się do tego urządzenie do obróbki bielizny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011007170A DE102011007170A1 (de) 2011-04-12 2011-04-12 Verfahren zum Erkennen und Anzeigen eines Hygienegrades von Wäsche und/oder des Wäschebehandlungsgeräts in einem Wäschebehandlungsgerät sowie hierfür geeignetes Wäschebehandlungsgerät
PCT/EP2012/056016 WO2012139920A1 (fr) 2011-04-12 2012-04-03 Procédé pour détecter et indiquer un degré d'hygiène de linge et/ou de l'appareil de traitement du linge dans un appareil de traitement du linge ainsi que appareil de traitement de linge approprié à cet effet

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EP2697418A1 EP2697418A1 (fr) 2014-02-19
EP2697418B1 true EP2697418B1 (fr) 2014-12-03

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EP (1) EP2697418B1 (fr)
CN (1) CN103476982B (fr)
DE (1) DE102011007170A1 (fr)
PL (1) PL2697418T3 (fr)
RU (1) RU2560267C2 (fr)
WO (1) WO2012139920A1 (fr)

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DE102012209823A1 (de) * 2012-06-12 2013-12-12 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einem Generator, insbesondere einem Ozongenerator, und einer Filtereinrichtung
DE102013104927B4 (de) * 2013-05-14 2021-02-04 Miele & Cie. Kg Verfahren zum Betreiben einer Waschmaschine und Steuereinrichtung für eine Waschmaschine
DE102014220355B3 (de) * 2014-10-08 2016-01-21 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Ozonerzeugungseinrichtung
DE102015204692A1 (de) 2015-03-13 2016-09-15 BSH Hausgeräte GmbH Verfahren zur Bestimmung eines Hygienegrades einer Waschmaschine mit einem Impedanzsensor sowie hierzu geeignete Waschmaschine
DE102015205382A1 (de) * 2015-03-25 2016-09-29 BSH Hausgeräte GmbH Betreiben eines Haushaltsgeräts
DE102015107521A1 (de) * 2015-05-13 2016-11-17 Miele & Cie. Kg Verfahren zum Steuern eines Haushaltsgeräts und Steuergerät
CN106544811A (zh) * 2015-09-22 2017-03-29 青岛海尔滚筒洗衣机有限公司 洗衣机及其控制方法
CN106120243B (zh) * 2016-06-30 2019-08-23 无锡小天鹅电器有限公司 洗衣机洗涤桶的清洁方法、装置及洗衣机
DE102016212978A1 (de) * 2016-07-15 2018-01-18 Henkel Ag & Co. Kgaa Verfahren und Vorrichtung zur Ermittlung von Verunreinigungen
WO2020130180A1 (fr) * 2018-12-19 2020-06-25 엘지전자 주식회사 Appareil de traitement de linge et son procédé de fonctionnement
WO2020160745A1 (fr) * 2019-02-04 2020-08-13 BSH Hausgeräte GmbH Appareil ménager à circulation d'eau et procédé pour faire fonctionner un appareil ménager à circulation d'eau, et produit-programme d'ordinateur
DE102020200419A1 (de) * 2020-01-15 2021-07-15 BSH Hausgeräte GmbH Wasserführendes Haushaltsgerät
CN113338012A (zh) * 2020-03-03 2021-09-03 青岛海尔滚筒洗衣机有限公司 一种衣物烘干方法
DE102021212637A1 (de) * 2021-11-10 2023-05-11 BSH Hausgeräte GmbH Haushaltsgerät mit einer Steuerung

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DE19620512A1 (de) * 1996-05-22 1997-11-27 Miele & Cie Programmgesteuerte Waschmaschine
DE19705877A1 (de) * 1997-02-15 1998-08-20 Aeg Hausgeraete Gmbh Programmwahl- und Anzeigesystem für programmgesteuerte Waschmaschinen
GB0129668D0 (en) * 2001-12-12 2002-01-30 Procter & Gamble Method for cleaning a soiled article
DE10237854A1 (de) * 2002-08-19 2004-03-04 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betreiben eines wasserführenden Geräts und wasserführendes Gerät
GB2414743B (en) * 2004-06-04 2009-07-22 Jla Ltd A washing machine and method of washing
KR20080074541A (ko) * 2007-02-09 2008-08-13 엘지전자 주식회사 세탁물 처리장치
KR20100050325A (ko) * 2008-11-05 2010-05-13 엘지전자 주식회사 의류 처리 장치 및 그 제어방법
EP2108726A3 (fr) * 2009-06-29 2009-10-21 V-Zug AG Lave-linge doté d'un affichage d'hygiène

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PL2697418T3 (pl) 2015-05-29
DE102011007170A1 (de) 2012-10-18
CN103476982A (zh) 2013-12-25
CN103476982B (zh) 2016-08-17
EP2697418A1 (fr) 2014-02-19
WO2012139920A1 (fr) 2012-10-18
RU2013145619A (ru) 2015-05-20
RU2560267C2 (ru) 2015-08-20

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