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EP2557981B1 - Appareil ménager doté d'un générateur de plasma, et procédé de fonctionnement - Google Patents

Appareil ménager doté d'un générateur de plasma, et procédé de fonctionnement Download PDF

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Publication number
EP2557981B1
EP2557981B1 EP11715483.1A EP11715483A EP2557981B1 EP 2557981 B1 EP2557981 B1 EP 2557981B1 EP 11715483 A EP11715483 A EP 11715483A EP 2557981 B1 EP2557981 B1 EP 2557981B1
Authority
EP
European Patent Office
Prior art keywords
plasma
domestic appliance
container
plasma generator
water
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
EP11715483.1A
Other languages
German (de)
English (en)
Other versions
EP2557981A1 (fr
Inventor
Hans Eglmeier
Andreas Hanau
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 PL11715483T priority Critical patent/PL2557981T3/pl
Publication of EP2557981A1 publication Critical patent/EP2557981A1/fr
Application granted granted Critical
Publication of EP2557981B1 publication Critical patent/EP2557981B1/fr
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • 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
    • A47L15/0057—Cleaning of machines parts, e.g. removal of deposits like lime scale or proteins from piping or tub
    • 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
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2475—Generating plasma using acoustic pressure discharges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2475—Generating plasma using acoustic pressure discharges
    • H05H1/2481—Generating plasma using acoustic pressure discharges the plasma being activated using piezoelectric actuators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4276—Arrangements to detect or remove bad smells or odours
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • 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
    • D06F35/003—Washing machines, apparatus, or methods not otherwise provided for using electrochemical cells
    • 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
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • the invention relates to a domestic appliance in the form of a dishwasher, a tumble dryer, a washing machine or a washer-dryer with a plasma generator and a method for its operation.
  • the domestic appliance comprises a container that is exposed to moisture during operation of the domestic appliance and tends to form a biofilm on one of its inner surfaces.
  • biofilms ie moist deposits that contain bacteria, fungi or other microorganisms.
  • washing machines which have a Einticianschale for the supply of laundry and other laundry treatment products, often biofilms that give rise to hygiene concerns by their color and / or due to odor. The formation of biofilms should therefore be avoided or at least reduced to the extent that hygienic requirements are met.
  • ozone can kill the microorganisms present in the dispenser.
  • the outgassing ozone can be distributed in the Ein réelleschale. Since an ozone addition takes place only during a water intake, a relatively high ozone concentration in the water is necessary. However, the solubility of the ozone in the water is low, so that most of the ozone enters the dispenser shell in gaseous form. As the ozone limit in the air is very low, extensive safety precautions are necessary to avoid the risk of ozone depletion.
  • an aqueous liquid may be produced which is not disposed of or not disposed of immediately, so that there is also a danger of microorganisms forming and multiplying here.
  • the aqueous liquid may e.g. be in a tumble accumulating condensate.
  • treatment with a plasma produced by a high voltage is known.
  • An atmospheric pressure plasma is a plasma that can be generated at about atmospheric pressure. It has the advantage of relying on a sophisticated vacuum technique, e.g. Pumps, chambers, etc. can be dispensed with. Such atmospheric pressure plasmas are used, for example, for the treatment of the surface of a substrate, for example for cleaning, activation, coating or any other modification. Atmospheric pressure plasmas can be placed in so-called cold, i. distinguish non-thermal plasmas having a gas temperature of typically less than 100 ° C and thermal plasmas having a higher gas temperature. Cold plasmas have the advantage that the temperature of the gas is approximately at room temperature or slightly above, so that a plasma may also be allowed to act on a substrate for a longer time without damaging the substrate and in particular its surface.
  • Plasma generators for producing a plasma of this kind are also in the documents DE 10 2005 032 890 B4 .
  • Domestic appliances with a plasma generator are also off CN 2 564 608 Y . JP 2004 085877 A .
  • EP 1 469 119 A1 and KR 2007 0066334 A known. It concerns CN 2 564 606 Y and EP 1 469 119 A1 Washing machines in which the plasma is generated in the washing water, to effect a cleaning of the laundry or improve.
  • the plasma generator is arranged in a passage of the air duct, wherein the inflowing air is sterilized with the plasma generator to sterilize the laundry.
  • the household appliance according to JP 2004 065877 A is a dishwasher in which the plasma generator for sterilizing the dishwasher or for removing bacteria is arranged.
  • a household appliance in the form of a dishwasher, a tumble dryer, a washing machine or a Waschtrockners provide, which has an improved control of microorganisms and offers the possibility of avoiding or largely eliminating biofilms.
  • the object underlying the invention is achieved by a domestic appliance and a method for their operation 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 in the form of a dishwasher, a tumble dryer, a washing machine or a washer dryer with a container which is exposed to moisture during operation of the domestic appliance and tends to form a biofilm on one of its inner surfaces, and at least one plasma generator the plasma generator can generate a cold atmospheric pressure plasma and is spaced less than 5 cm, preferably less than 2 cm, from the biofilm-tending inner surface of the container.
  • the plasma generator may be disposed on a surface opposite to the inner surface tending to form a biofilm.
  • the particular advantage of such an arrangement is that the plasma is generated directly at the location where a biofilm is to be eliminated.
  • air molecules are ionized in the immediate vicinity of the surface to be cleaned. For example, during operation of the plasma generator, ozone, nitrogen oxides, hydrogen peroxide, free radicals and UV light are generated.
  • the plasma generated due to the inventive arrangement of the plasma generator or the plasma generators can already act in their immediate environment, it is generally unnecessary to discharge the generated reactive, biocidal particles.
  • the plasma generator or the plasma generators are formed flat.
  • several plasma generators can be side by side on one surface be arranged.
  • the plasma generator is arranged in an induction dish or a tub of a washing machine or a washer-dryer.
  • the plasma generator is arranged in a storage container for an aqueous liquid.
  • the storage container may in particular be a condensate collecting container, a soft water container, a hard water container and / or a flushing water storage.
  • the storage container is preferably in the case of a tumble dryer or washer dryer, a condensate collection container for condensate incurred in the drying of moist air condensate.
  • the condensate collecting container may in this case be a condensate tray arranged below a heat exchanger and / or a condensate storage container, in which the condensate collected in the condensate tray can be transferred, for example, by pumping off.
  • the storage container is preferably a rinse water storage.
  • the domestic appliance is therefore a washing machine with a tub, a laundry drum, a water supply system and a lye drain system with a drain pump, a program control and a rinse water storage, and a plasma generator described herein, at a distance of less than 5 cm is arranged from an inner surface of the container.
  • this washing machine preferably also has a desalting device for producing demineralized water, for example a reverse osmosis device, During their operation desalinated water (soft water) and salted water (hard water) incurred.
  • the invention is therefore particularly suitable for a household appliance with a soft water tank and / or a hard water tank.
  • the soft water container is preferably connected to the water supply system via a desalination device.
  • a rinse water storage used rinse water is cached in a washing machine or a dishwasher, to be used for example in a subsequent wash cycle. Especially the used water from the last rinses in a washing machine is so clean that it can easily be used instead of fresh water for the wetting and washing of laundry.
  • used rinse water already has the advantage that the detergent concentration does not have to be adjusted with respect to the degree of hardness, since the desalted water is already "soft", even if it has undergone a rinse cycle. Thus, used desalted rinse water is even more advantageous as wash water than fresh water.
  • Microorganisms can occur in the soft water container, hard water container and / or rinse water storage and, in particular, biofilms can also form, so that attachment of the plasma generators described herein is very advantageous.
  • the plasma generator as long as it can generate a cold atmospheric pressure plasma, according to the invention is not limited.
  • the term plasma generator as used herein includes one or more plasma generators.
  • the plasma generator comprises a piezoceramic element, on which a cold atmospheric pressure plasma can be generated.
  • Suitable plasma generators of this type are in any of the already mentioned documents DE 10 2005 032 890 B4 .
  • the piezoceramic element comprises a primary region and a secondary region, wherein the Primary region has electrodes to which an AC voltage is applied and thereby electric fields are generated in the secondary region, so that a gas in the vicinity of the secondary region, in particular air, is converted into a plasma.
  • the plasma generator comprises a first electrode, a dielectric and a second electrode.
  • the dielectric preferably comprises a plastic. More preferably, the dielectric is made of a plastic. Suitable plastics are, for example, fluorinated polyethylenes or polypropylenes. In particular, polytetrafluoroethylene (PTFE) is suitable.
  • the second electrode is preferably designed as a metallic network, wherein a plasma is formed during operation of the plasma generator generally in the mesh of the network.
  • the first and / or second electrode contains copper or consists of copper.
  • the plasma generator used in the domestic appliance according to the invention can be small.
  • the energy requirement is generally low.
  • the mains supply of the domestic appliance or of a rechargeable battery for example a 12 V rechargeable battery, can frequently be used as voltage supply to the plasma generator.
  • the domestic appliance may additionally have means for transforming the mains supply voltage or the accumulator voltage to the operating voltage of the plasma generator.
  • the use of an accumulator allows use of the plasma generator even during downtime of the domestic appliance.
  • a standstill time is understood to mean in particular the time in which the household appliance is at rest, out of operation or not in the state of intended use.
  • the plasma generated by the plasma generator generally contains a complex mixture of reactive, biocidally active particles, which in particular also comprise oxygen radicals.
  • reactive, biocidally active particles which in particular also comprise oxygen radicals.
  • the domestic appliance in embodiments enables the automatic removal of microorganisms and in particular biofilm within the domestic appliance. A special information about this for a user of the household appliance is not necessary.
  • the home appliance may also include a display device that indicates the operation of a plasma generator.
  • the display device may be an optical and / or acoustic display device.
  • a control device which, in addition to the control of a cleaning program, can also carry out the control of the plasma generators in relation to the beginning and duration of a plasma generation.
  • the plasma generators are operated when no water is passed by them.
  • the control device can effect a corresponding acoustic and / or optical display on the display device.
  • the household appliance according to the invention is a washing machine, preferably a pressure sensor and / or a temperature sensor are arranged in the tub of the latter.
  • Pressure and temperature sensor if present, are preferably arranged in a lower region of the tub, so that pressure and / or temperature of an aqueous liquid present in the tub can be measured.
  • the invention also relates to a method for operating a domestic appliance in the form of a dishwasher, a tumble dryer, a washing machine or a washer dryer with a container which is exposed to moisture during operation of the domestic appliance and tends to form a biofilm on one of its inner surfaces, and at least a plasma generator which can generate a cold atmospheric pressure plasma and at a distance of less than 5 cm, preferably less than 2 cm, from the biofilm-tending inner surface of the biofilm
  • the plasma generator produces a cold atmospheric pressure plasma which biocides on the biofilm-tending inner surface of the container, the generation of the plasma and the action on the inner surface (29), while the the surface surrounding air rests.
  • the plasma generation takes place directly at the place where the biofilm is to be eliminated, and means for generating an air flow or a flow of the medium surrounding the surface to distribute the plasma or to transport to the surface to be cleaned , are not provided.
  • no aqueous liquid is introduced into the container during the practice of this process.
  • this method is displayed on a display device when a plasma is generated in the context of the method according to the invention.
  • the invention has the advantage that microorganisms in a household appliance can be controlled in a simple and very efficient manner, and in particular the formation of a biofilm can be avoided or reduced. This causes color changes and odors can be avoided or eliminated. Overall, an improvement in hygiene is achieved.
  • the washing machine has a tub 4 in which a laundry drum 2 with laundry 7 located therein can be rotatably mounted and operated by a drive motor 14. Particularly shaped Wäschemit Vietnamese 34 and scooping devices 5 for the wash liquor 6 contribute to an intensification of the flooding of the laundry 7 with wash liquor 6 or 6 with rinse water.
  • the washing machine has a liquor inlet system comprising a water connection for the domestic water network 8, an electrically controllable valve 9, a water inlet 33 and a supply line 10 to the tub 4, which is guided via a dispenser 11, from which the feed water (fresh water) treatment agent in can transport the tub 4.
  • a heater 13 In the tub 4 is a heater 13.
  • the valve 9 as well as the heater 13 can be controlled by the program control 12 in response to a program flowchart.
  • a pressure sensor 15 is provided for the measurement of the hydrostatic pressure p in the tub 4.
  • a reverse osmosis device as desalting device 17 for the desalination of water, which is arranged between the inlet valve 9 and the tub 4, in particular between the valve 9 and a soft water tank 24 or hard water tank 18, but via a line to the dispenser 11 is connected to the tub 4 over.
  • the reverse osmosis results in a partially desalinated water (referred to herein as "soft water") which is collected in a soft water tank 24.
  • the desalting device 17 is connected to the soft water tank 24 via a first soft water line 25.
  • the soft water tank 24 is in turn connected via a second soft water line 27 with the tub 4, so that desalted water (soft water) can be added as desired in the tub 4 and thus in the laundry drum 2.
  • a conductivity sensor 19 as a first sensor for detecting a salinity of the water passed through the desalting device 17.
  • a storage vessel 18 connected to the desalting device 17 via a saline water pipe 26 is for water having a higher salt concentration (Hard water tank 18) provided. Since the desalting device 17 used in this embodiment is a reverse osmosis device, the saline water resulting from the desalting is collected and stored for later use, eg, for initial rinses.
  • a rinse water storage 22 which can store the water used in rinsing the laundry. This water (so-called “rinse water”), especially if it is the previously desalted and then used in rinsing water, can be used for a later wash.
  • the rinse water storage 22 is connected via a line 23 ("first supply line for salted-up water") with the valve 9, which also controls the supply of fresh water.
  • 16 denotes a pump for conveying the rinse water into the rinse water storage 22.
  • the plasma generator 3 in the tub 4 is not shown for clarity
  • the plasma generators 3 are each located at a distance of 0.5 to 1.5 cm to an inner surface 29 of the aforementioned container or the dispenser.
  • the plasma generator does not include in detail here a first electrode made of copper, a dielectric made of polytetrafluoroethylene and a second electrode made of copper.
  • a second conductivity sensor 20 In the lower region of the tub 4 is a second conductivity sensor 20, with which the content of the rinsing water to inorganic and organic substances can be determined after rinsing.
  • data stored in a memory of the program control 12 can be used for the relationship between the type and concentration of the salts or inorganic and organic substances and the conductivity.
  • a display device 21 is located on the washing machine 1 of the specific embodiment shown here.
  • the plasma generators 3 are operated in this embodiment if no water supply into the containers takes place.
  • FIG. 2 is an enlarged view of a Ein Hughesschale 11 with multiple plasma generators 3 according to a second embodiment of a domestic appliance according to the invention, which is also designed here as a washing machine.
  • the plasma generators comprise a piezoceramic element or a first electrode, a dielectric and a second electrode-here not shown in detail.
  • the plasma generators 3 are each about 5 to 10 mm away from an inner surface 29 of the dispenser shell 11, so that the formation of a biofilm can be effectively suppressed thereon.
  • About a water inlet 33 and a plurality of openings (shower) 32 water from a water supply, not shown here enters the dispenser 11 and from this via a supply line 10 in a not shown here of the washing machine.
  • the plasma generators 3 can be arranged in a relatively small space, so that, for example, the wall with the plurality of openings 32 in the biocidal atmosphere generated by the plasma generators 3 and a There deposited biofilm can be eliminated. That is, in such embodiment, the distance wall with the plurality of openings 32 is also only about 10 mm away from the plasma generators 3.
  • the plasma generators are operated when no water supply occurs.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (15)

  1. Appareil ménager (1) sous forme d'un lave-vaisselle, d'un sèche-linge, d'un lave-linge ou d'un lave-linge séchant, comprenant un réservoir (4, 11, 18, 22, 24) qui, pendant le fonctionnement de l'appareil ménager, est exposé à de l'humidité et présente une surface intérieure (29) à nettoyer d'un biofilm, et comprenant un générateur de plasma (3) qui est réalisé pour générer un plasma froid à pression atmosphérique, c'est-à-dire un plasma non thermique généré à la pression atmosphérique avec une température de gaz inférieure à 100°C, caractérisé en ce que le générateur de plasma (3) est disposé avec un écart de moins de 5 cm de la surface intérieure (29), à nettoyer du biofilm, du réservoir (4, 11, 18, 22, 24), de sorte que la génération du plasma et l'effet sur la surface intérieure peuvent avoir lieu pendant que l'air entourant la surface est au repos.
  2. Appareil ménager (1) selon la revendication 1, le générateur de plasma étant réalisé de manière plane ou plusieurs des générateurs de plasma étant disposés les uns à côté des autres sur une surface.
  3. Appareil ménager (1) selon la revendication 2, caractérisé en ce que le générateur de plasma (3) est disposé dans une boîte à produits (11) ou dans un réservoir de liquide de lavage (4) d'un lave-linge ou d'un sèche-linge.
  4. Appareil ménager (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le générateur de plasma (3) est disposé dans un réservoir de stockage (18, 22, 24) pour un liquide aqueux.
  5. Appareil ménager (1) selon la revendication 4, caractérisé en ce que le réservoir de stockage (18, 22, 24) est un réservoir collecteur de condensat, un réservoir (24) qui est réalisé pour réceptionner de l'eau douce, un réservoir (18) qui est réalisé pour réceptionner de l'eau dure, et/ou un réservoir d'eau de rinçage (22).
  6. Appareil ménager (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le générateur de plasma (3) comprend un élément piézocéramique sur lequel un plasma à pression atmosphérique peut être généré.
  7. Appareil ménager (1) selon la revendication 6, caractérisé en ce que l'élément piézocéramique comprend une zone primaire et une zone secondaire, la zone primaire présentant des électrodes, sur lesquelles une tension alternative est appliquée, et des champs électriques étant ainsi générés dans la zone secondaire, de sorte qu'un gaz est transformé en un plasma dans les environs de la zone secondaire.
  8. Appareil ménager (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le générateur de plasma (3) comprend une première électrode, un diélectrique et une deuxième électrode.
  9. Appareil ménager (1) selon la revendication 8, caractérisé en ce que le diélectrique est une matière plastique.
  10. Appareil ménager (1) selon la revendication 8 ou 9, caractérisé en ce que la deuxième électrode est réalisée comme filet métallique.
  11. Appareil ménager (1) selon l'une quelconque des revendications 8 à 10, caractérisé en ce que la première et/ou la deuxième électrodes contient/contiennent du cuivre ou est constituée/sont constituées de cuivre.
  12. Appareil ménager (1) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'appareil ménager (1) présente un accumulateur pour l'alimentation en tension du générateur de plasma (3).
  13. Procédé de fonctionnement d'un appareil ménager (1) sous forme d'un lave-vaisselle, d'un sèche-linge, d'un lave-linge ou d'un lave-linge séchant, comprenant un réservoir (4, 11, 18, 22, 24) qui, pendant le fonctionnement de l'appareil ménager, est exposé à de l'humidité et présente une surface intérieure (29) à nettoyer d'un biofilm, et comprenant un générateur de plasma (3) à l'aide duquel, dans le procédé, un plasma froid à pression atmosphérique, c'est-à-dire un plasma non thermique généré à la pression atmosphérique avec une température de gaz inférieure à 100°C, est généré, caractérisé en ce que le générateur de plasma (3) est disposé avec un écart de moins de 5 cm de la surface intérieure (29), à nettoyer du biofilm, du réservoir (4, 11, 18, 22, 24), et en ce que le plasmas froid à pression atmosphérique généré par le générateur de plasma (3) agit de manière biocide sur la surface intérieure, à nettoyer du biofilm, du réservoir (4, 11, 18, 22, 24), la génération du plasma et l'effet sur la surface intérieure ayant lieu pendant que l'air entourant la surface est au repos.
  14. Procédé selon la revendication 13, caractérisé en ce que la génération de plasma est réalisée lorsque qu'aucun liquide aqueux est introduit dans le réservoir (4, 11, 18, 22, 24).
  15. Procédé selon la revendication 13 ou 14, caractérisé en ce que la génération de plasma est réalisée lorsque l'appareil ménager (1) est mis hors service.
EP11715483.1A 2010-04-15 2011-04-14 Appareil ménager doté d'un générateur de plasma, et procédé de fonctionnement Active EP2557981B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11715483T PL2557981T3 (pl) 2010-04-15 2011-04-14 Urządzenie gospodarstwa domowego z generatorem plazmy i sposób jego eksploatacji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010027795A DE102010027795A1 (de) 2010-04-15 2010-04-15 Hausgerät mit Plasmagenerator und Verfahren zu seinem Betrieb
PCT/EP2011/055868 WO2011141263A1 (fr) 2010-04-15 2011-04-14 Appareil ménager doté d'un générateur de plasma, et procédé de fonctionnement

Publications (2)

Publication Number Publication Date
EP2557981A1 EP2557981A1 (fr) 2013-02-20
EP2557981B1 true EP2557981B1 (fr) 2014-04-02

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EP11715483.1A Active EP2557981B1 (fr) 2010-04-15 2011-04-14 Appareil ménager doté d'un générateur de plasma, et procédé de fonctionnement

Country Status (5)

Country Link
EP (1) EP2557981B1 (fr)
CN (1) CN102970913B (fr)
DE (1) DE102010027795A1 (fr)
PL (1) PL2557981T3 (fr)
WO (1) WO2011141263A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4438788A4 (fr) * 2021-11-29 2025-04-09 Qingdao Haier Laundry Electric Appliances Co., Ltd. Appareil de traitement de vêtements

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8844082B2 (en) 2010-12-14 2014-09-30 Whirlpool Corporation Laundry treating appliance with biofilm treating cycle
US20120144871A1 (en) * 2010-12-14 2012-06-14 Whirlpool Corporation Laundry treating appliance with biofilm treating cycle
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CN102970913B (zh) 2015-04-08
WO2011141263A1 (fr) 2011-11-17
PL2557981T3 (pl) 2014-09-30
DE102010027795A1 (de) 2011-10-20
EP2557981A1 (fr) 2013-02-20

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