WO2012139920A1 - 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
WO2012139920A1
WO2012139920A1 PCT/EP2012/056016 EP2012056016W WO2012139920A1 WO 2012139920 A1 WO2012139920 A1 WO 2012139920A1 EP 2012056016 W EP2012056016 W EP 2012056016W WO 2012139920 A1 WO2012139920 A1 WO 2012139920A1
Authority
WO
WIPO (PCT)
Prior art keywords
laundry
hygiene
laundry treatment
ozone
degree
Prior art date
Application number
PCT/EP2012/056016
Other languages
German (de)
English (en)
Inventor
Dirk Dedekind
Andreas Hanau
Julia SANNER
Hartmut Schaub
Original Assignee
BSH Bosch und Siemens Hausgeräte 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 Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to CN201280018068.1A priority Critical patent/CN103476982B/zh
Priority to RU2013145619/12A priority patent/RU2560267C2/ru
Priority to EP12715006.8A priority patent/EP2697418B1/fr
Priority to PL12715006T priority patent/PL2697418T3/pl
Publication of WO2012139920A1 publication Critical patent/WO2012139920A1/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.
  • 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.
  • 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.
  • cross-contamination may take place if heavily contaminated laundry items are washed together with slightly contaminated items of laundry in the same washing operation, after which the germ content of the previously slightly contaminated items of laundry has risen.
  • many of the microbial germs found in household linen are not pathogenic to humans, special care should be taken in the home, in the care of the elderly, babies and toddlers, and generally heavily contaminated items such as kitchen towels. In such cases, an increased level of hygiene appears appropriate, which requires increased decontamination during the washing process.
  • 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.
  • DE 102 37 854 A1 discloses a washing process in which a quantity of ozone enters, exits and discharges 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.
  • No. 2005 0 268 404 A1 shows a washing method in which, after ozone treatment by measuring the ozone content, the degree of hygiene of the laundry is determined and, if the level of hygiene falls below a certain level, further use of the machine is prevented.
  • 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 to a minimum temperature or the implementation of a hygiene program is recommended.
  • EP 2 108 726 A2 likewise shows a washing machine with a display element which serves to indicate to the user, depending on various parameters of the operating programs that have been run, that it is advisable to carry out a degermination program.
  • the object of the invention is to provide a method for detecting and displaying a degree of hygiene of laundry in a laundry treatment appliance, with which the degree of hygiene can be determined and displayed in a manner advantageous to a user, wherein the user preferably also has one
  • 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 level of hygiene H res of the laundry is preferably determined taking into consideration a predetermined or learned initial hygiene degree H or strength 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).
  • other parameters may be used to indicate the degree of hygiene.
  • 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. Alternatively or in addition, by changing a concentration or amount of a disinfecting agent such as e.g. Ozone of the degree of hygiene can be determined. In this case, it makes sense to exclude or minimize a possible influence of inorganic or organic non-living impurities. This could be done, for example, by setting a degree of contamination with such inorganic or organic impurities that can already be visually determined by a user by a user or by means of any sensors present in the laundry treatment appliance.
  • 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.
  • 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 is used, for example, for B. as a measure of the initial level of hygiene H or Ig
  • a level of hygiene of laundry and / or the laundry treatment appliance can be determined by measuring the time decay of ready omniem in the laundry treatment device for contact with the laundry ozone is measured using an ozone sensor, z.
  • the laundry-containing container of the laundry treatment device is applied to a quantity Mi of ozone and the decrease ⁇ of the amount Mi of ozone after a predetermined time t se t with an ozone sensor (b) and / or an ozone sensor (c).
  • a predetermined concentration c se t adjusted to ozone and evaluated with a arranged in this container ozone sensor (c) time decrease in 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 se t of ozone is set in the container of the laundry treatment appliance can also mean, in particular, that an ozone-containing gas mixture or an ozone-containing liquid of unknown concentration of ozone is introduced into the container and initially mixed with the ozone sensor (c). the concentration c s t is measured on ozone.
  • 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.
  • these methods can be used, for example, to determine the initial degree of hygiene of Hong.
  • the initial degree of hygiene H ori g is determined using at least one sensor, in particular a biosensor or an ozone sensor.
  • empirical values for the initial degree of hygiene ⁇ ⁇ 9 can be assumed, 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 combination of different methods for determining the initial degree of hygiene H or strength may be used.
  • the method according to the invention is a predicted according to a selection of a laundry treatment program, level of hygiene H res or after the expiry of the selected laundry treatment program, resulting level of hygiene H res of the laundry and / or the laundry treatment appliance taking into consideration a predetermined or learned initial hygiene degree H or ig and selected laundry treatment program determined, wherein preferably a difference .DELTA. ⁇ 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 is displayed on a display device 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 or ig is generally either known or can be determined by experiments, so that for different washing programs a resulting level of hygiene H res can be determined.
  • a relationship between the resulting hygienic 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 Hörig.
  • a relationship between the type and amount of a detergent used, a temperature profile and / or a movement program of the container and the resulting degree of hygiene H res of the laundry are stored.
  • 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. Therefore, "movement program of the container” generally means a succession of rotation and standstill phases of the drum, in which the rotation speed of the drum may be different during rotational phases of the drum 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 as used herein means in particular that one of the above-mentioned parameters such as temperature, motion program of the drum, length of the program and its steps are modified such that the desired level of hygiene is H tar reached at least.
  • 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 re s-Htar) ⁇ 0 between the resulting hygiene level H res and a desired degree of hygiene H tar on the display device is preferably displayed on the display device as signal S2, which differs locally, visually and / or acoustically from signal S1.
  • 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 for example 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 removal 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.
  • a baby clothes washing program can positively confirm the wash result, resulting in a more carefree washing and avoiding excessively high temperatures, which can save on laundry and reduce energy consumption "Scaled" degree of hygiene a user of the laundry treatment device to be given a positive confirmation also per se “less” hygienic laundry treatment programs.
  • FIG. 1 is a schematic representation of the inventive washing machine and FIG. 2 shows by way of example the relationship between the degree of hygiene and the treatment temperature.
  • FIG. 1 shows schematically the presently relevant parts of a washing machine, in which a method to be explained below can be performed.
  • the washing machine 1 shown in FIG. 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 can be 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 via the water supply line 8 can be transported via the dispenser 1 1 there detergent portions via the connecting tube 10 in the tub 2.
  • the washing machine of Figure 1 allows the determination of a degree of hygiene 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 shows the relationship between the degree of hygiene H achievable with a laundry treatment program with reference to the parameter treatment temperature T.
  • the horizontal axis of the diagram shown in Figure 2 represents the treatment temperature T in ° C of a laundry treatment program and on the vertical axis of the achieved degree of hygiene of the laundry after performing a laundry treatment program with the treatment temperature T shown in Figure 2 is plotted.
  • 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 functional relationship between the degree of hygiene H and the treatment temperature T shown in FIG. 2 is only intended to describe the relationship qualitatively. 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 here understood as a predetermined degree of hygiene H or ig, 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 into the figure 1, not shown, adjustment member, with which an operator can adjust the level of hygiene H ori g of the to be treated laundering or a desired level of hygiene H pretend tar with optionally a further adjusting member, which on the Display device 29 or another display device can be displayed.
  • the dispensing tray 11 is connected to the tub 2 via a connecting tube (filling hose) 10.
  • the dispenser 1 1 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.
  • 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 can be used as a measure of an initial degree of hygiene H or ig the laundry.
  • 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 se t a concentration c in ozone before the dispenser 1 1 can be measured as Reference value for a subsequent decrease in the ozone concentration is used.
  • the means of an ozone sensor (b) 27 determined concentration c ou t of ozone can be used to determine the decrease in ozone concentration due to the killing of 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 ou t -ec dec , where A dec is a measure of the natural decomposition of ozone, evaluated to determine the degree of hygiene of the laundry.
  • a dec is a measure of the natural decomposition of ozone, evaluated to determine 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 embodiment of the laundry treating machine shown in Figure 1 also permits a specification of an initial hygiene degree H or strength of the laundry using a value can be set by default, possibly taking into account the type of washing employed (underwear, towels, etc.) which, if necessary, by a user can be set on the laundry treatment appliance.
  • 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 se t of ozone.
  • an ozone concentration initially determined by the ozone sensor (c) 24 may also be assumed as the reference point c se t.
  • 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 induction bowl 1 1 and the tub 2 by means of the suction pump 21 passes into the ozone removal device to remove excess ozone 20 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 resultant hygiene degree H res lingerie 7 can be determined and is given to the selection of a washing program and / or after expiry of a selected laundry treatment program, taking account of a predetermined or as described previously determined initial hygiene degree H or strength and / or the selected laundry treatment program.
  • 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. LIST OF REFERENCE NUMBERS
  • ozone sensor Ozone generator, device for providing ozone First controllable closing device, flap

Abstract

L'invention concerne un procédé pour détecter et indiquer un degré d'hygiène de linge 7 dans un appareil de traitement de linge 1, qui présente un récipient 3 destiné à recevoir le linge à traiter 7, un appareil de commande 12 conçu pour réaliser plusieurs programmes de traitement du linge sélectionnables, et un dispositif indicateur 29. Un degré d'hygiène Hres pronostiqué après le choix d'un programme de traitement du linge et/ou un degré d'hygiène Hres résultant après le déroulement d'un programme de traitement du linge 7 est affiché comme signal S1 sur le dispositif indicateur 29. En outre, le procédé présente des étapes pour déterminer le degré d'hygiène Hres pronostiqué ou résultant du linge 7 en tenant compte d'un degré d'hygiène prédéfini ou déterminé de départ Horig et/ou du programme de traitement du linge choisi. L'invention concerne en outre un appareil de traitement du linge 1 approprié pour réaliser ce procédé 1.
PCT/EP2012/056016 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 WO2012139920A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201280018068.1A CN103476982B (zh) 2011-04-12 2012-04-03 确定和显示衣物和/或处理器具卫生水平的方法和处理器具
RU2013145619/12A RU2560267C2 (ru) 2011-04-12 2012-04-03 Способ определения и отображения степени гигиенической чистоты белья и/или прибора для обработки белья в приборе для обработки белья и прибор для обработки белья для осуществления данного способа
EP12715006.8A EP2697418B1 (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
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
DE102011007170.9 2011-04-12
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

Publications (1)

Publication Number Publication Date
WO2012139920A1 true WO2012139920A1 (fr) 2012-10-18

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Application Number Title Priority Date Filing Date
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

Country Status (6)

Country Link
EP (1) EP2697418B1 (fr)
CN (1) CN103476982B (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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DE19705877A1 (de) * 1997-02-15 1998-08-20 Aeg Hausgeraete Gmbh Programmwahl- und Anzeigesystem für programmgesteuerte Waschmaschinen
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RU2560267C2 (ru) 2015-08-20
CN103476982B (zh) 2016-08-17
PL2697418T3 (pl) 2015-05-29
RU2013145619A (ru) 2015-05-20
DE102011007170A1 (de) 2012-10-18
EP2697418B1 (fr) 2014-12-03
EP2697418A1 (fr) 2014-02-19

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