EP1922443B1 - Appareil electromenager pourvu d'un emetteur destine a produire de la lumiere ultraviolette - Google Patents

Appareil electromenager pourvu d'un emetteur destine a produire de la lumiere ultraviolette Download PDF

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Publication number
EP1922443B1
EP1922443B1 EP06778260A EP06778260A EP1922443B1 EP 1922443 B1 EP1922443 B1 EP 1922443B1 EP 06778260 A EP06778260 A EP 06778260A EP 06778260 A EP06778260 A EP 06778260A EP 1922443 B1 EP1922443 B1 EP 1922443B1
Authority
EP
European Patent Office
Prior art keywords
chamber
domestic appliance
radiator
light
stock
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.)
Not-in-force
Application number
EP06778260A
Other languages
German (de)
English (en)
Other versions
EP1922443A2 (fr
Inventor
Silke Schäfer
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
Publication of EP1922443A2 publication Critical patent/EP1922443A2/fr
Application granted granted Critical
Publication of EP1922443B1 publication Critical patent/EP1922443B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00Washing machines, apparatus, or methods not otherwise provided for

Definitions

  • the invention relates to a domestic appliance having a chamber which is adapted for treating a product with a liquid and a sump region, to which a pumping device for pumping liquid out of the chamber is connected, and a radiator for generating an ultraviolet light.
  • the household appliance described is a washing machine, which is set up for washing the material introduced according to a circulation process for the washing liquor used and has a storage unit for used rinse water.
  • the radiator surrounds a conduit through which wash liquor is circulated, that is, pumped out of a sump area of the chamber and conveyed into a drum rotating in the chamber with the material to be treated.
  • Ultraviolet light from the radiator impinges the wash liquor and destroys any bacteria and other microorganisms such as viruses, fungi and algae (all microorganisms hereafter called "germs") in the wash liquor.
  • the spotlight is effective only as long as the washing lasts; it is not suitable for use against germs which, after the end of the washing and after removal of the washed product in the liquid used by the washing or rinsing, may still possibly form a residue of this liquid-containing chamber.
  • the invention to be presented below is based on the object of further developing the known household appliance in such a way that the spread of germs is prevented which, without further action, after the treatment of the material and the removal of the treated material the home appliance in the still used by the liquid used for treating, could possibly form a residue of this liquid-containing chamber.
  • JP 04 36 4825 A a household appliance with a radiator for generating UV light. This light source irradiates the entire interior of a dishwasher. These devices are known as sterilizers.
  • a domestic appliance is provided with a chamber which is adapted for treating a product with a liquid and a sump region, to which a pumping device for pumping liquid out of the chamber is connected, and a radiator for generating an ultraviolet light, in which domestic appliance the radiator is set up to irradiate the sump area with the light.
  • the radiator has a pivotable screen, which prevents that a light-sensitive part, in particular to be treated Good, is irradiated.
  • the irradiation is carried out exactly where it is to be expected mainly with a load of the household appliance by germs that could spread in a moisture left behind by a previous treatment process.
  • the emitter comprises, for example, a liquid-tight cylinder of quartz glass or suitable, permeable to ultraviolet radiation and correspondingly resistant plastic, in which the actual source of ultraviolet radiation is used.
  • a radiator adapted to generate the light having a preferred wavelength of 253.7 nm as a wavelength spectrum centered around that wavelength.
  • That the radiator has a screen, which prevents a sensitive to the light part, in particular to be treated Good, irradiated, is particularly important if the appliance is a washing machine, because you usually do not want to suspend laundry ultraviolet radiation due to their bleaching effect.
  • This screen is pivotable, for example, when it is not needed, to be pivoted into a treatment process not disturbing position.
  • the pumping device has a drain line, and in which in the drain line, an additional radiator for generating an ultraviolet light and irradiating the drain line is arranged.
  • an additional radiator for generating an ultraviolet light and irradiating the drain line is arranged.
  • a domestic appliance which additionally has a drying device, in particular a drying device comprising a fan for drying the chamber, so as to exclude that after a successful irradiation of the sump area immigrated germs find a particular moist environment in which they can spread.
  • This drying device may more preferably comprise a heat source associated with the chamber for accelerating drying.
  • the radiator itself can be the heat source; with equal preference may also or additionally be a heating element for heating the liquid for treating the material, the heat source - which comes in particular in a trained as a washing machine domestic appliance into consideration.
  • a supply air duct for supplying dry air from an environment of the domestic appliance into the chamber as well as an exhaust duct for draining moist exhaust air from the chamber are provided in the drying device.
  • a sensor in particular a moisture sensor, is provided in the household appliance for controlling the drying, wherein these control can be effected by a generally known and, in the present case, correspondingly improved control device to which the sensor is connected.
  • the household appliance according to the invention or one of its preferred developments just described is in particular designed as a washing machine for washing the goods.
  • a rotatable drum for receiving the goods is arranged with further preference in the chamber.
  • the sole figure of the drawing shows a household appliance in the form of a washing machine.
  • the depiction is schematic and symbolic in order to highlight the aspects that are of particular importance here.
  • the washing machine 18 for treating, namely washing, a product 20, represented here by two textile pieces 20, comprises a drum 1 for receiving these textile pieces 20, which drum 1 is suspended rotatably in a tub 2.
  • the tub 2 is partially filled with a wash or rinse liquor to treat the product 20, as can be seen in the dashed and wavy line.
  • This liquor fills the tub 2, starting from a sump area 19 to an appropriate height. If the liquor is removed from the tub 2, it remains moist in its lower area, here named and shown as the sump area 19; Under certain circumstances, a residue of the liquor may remain. For this reason, the swamp area 19 after completion of treatment of a material 20 provides a milieu which can favor the propagation of various microbial germs.
  • a radiator 3 for irradiating the sump region 19 with an ultraviolet light is provided in the sump region 19.
  • Ultraviolet light is known to have a strong disinfecting effect and is therefore capable of effectively disinfecting the sump area 19.
  • the liquor passes from the sump region 19 via a drain line 17, in which a lint filter 5, an additional radiator 4 for disinfecting the drain line 17 with ultraviolet light and a pump 6 are arranged in succession.
  • a drain line 17 in which a lint filter 5, an additional radiator 4 for disinfecting the drain line 17 with ultraviolet light and a pump 6 are arranged in succession.
  • the washing or rinsing eye passes through a corresponding switchable valve either to a drain hose 7 and there in a sewer network outside the washing machine 18, or via a recirculation line 8 in the drum 1 back.
  • a washing process can be realized, in which the wash liquor is circulated by means of the pump 6 and the circulation line 8.
  • fresh water from a corresponding fresh water network outside the washing machine 18 can be supplied to the tub 2.
  • Ultraviolet light which can be usefully used for disinfection, also has the property of exerting a strong bleaching action in a humid and oxygen-containing environment and also of attacking textile material. Thus, under certain circumstances, it may be necessary to shield corresponding sensitive parts, in particular laundry 20, from such light.
  • the radiator 3 is provided with a pivotable screen 14 (shown only schematically). If after the completion of the washing process, the sump area 19 is disinfected by means of the radiator 3, the screen 14 can be pivoted so that the laundry 20 is shielded from the light. During a washing process, in which the radiator 3 is not used regularly, the screen 14 can be pivoted to a position in which it is as far as possible from the rotating drum 1 and thus does not interfere with the washing process.
  • a drying device 9, 10, 11, 12 comprising a supply air duct 9 for supplying dry air from an environment of the washing machine 18 into the chamber 2, and also an exhaust duct 10 for discharging moist exhaust air the chamber 2.
  • a fan 11 is provided to support a corresponding air circulation in the supply air duct 9, a fan 11 is provided.
  • the supply air duct 9 brings the dry air expedient equal to the sump area 19;
  • the exhaust duct 10 is connected to a region of the chamber 2 away from the sump area 19.
  • the exhaust duct 10 opens into exhaust openings 12, from which the exhaust air from the washing machine 18 also passes.
  • These exhaust openings 12 are located for example in a detergent drawer, as it is commonly used for dosing detergent. In this way, the detergent drawer is dried and thus placed in a durable against the spread of germs safe state.
  • the radiator 3 can be advantageously used to dry the sump area 19 with the heat which it produces in addition to the light. This improves the stability of the sump region 19 against the spread of germs.
  • a heating rod 16 (which is always present in a conventional washing machine) (also indicated only schematically) can be used for heating the sump region 19 for the purpose of drying it.
  • the already mentioned screen 14 on the radiator 3 can also serve, in addition to shielding the sensitive material 20, to allow an operator to observe the radiation emanating from the radiator 3 by a conventional sight glass in a door of the tub 2. Since the Natronsilikatglas usually used in such a door is impermeable to ultraviolet radiation, damage to the operator is not to be feared. Finally, the screen can also be used to selectively guide the radiation from the radiator 3 to different subregions of the sump region 19. Within the scope of such a configuration, the emitter 3 itself does not always have to illuminate readily all subregions of the sump area 19 to be treated, which results in a certain degree of constructive freedom in the design of the washing machine 18.
  • the described disinfection and drying process in the washing machine 18 can be controlled by simple timing; In particular for the drying process, a control supported by a corresponding moisture sensor is also possible. Such a sensor can be mounted, for example, in the exhaust duct 10; If a predetermined limit value for the humidity of the exhaust air is reached during the drying process in the exhaust air duct 10, then the drying process can be ended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Physical Water Treatments (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Glass Compositions (AREA)
  • Cosmetics (AREA)

Claims (10)

  1. Appareil électroménager (18) comprenant une chambre (2), qui est conçu pour le traitement d'un objet (20) avec un liquide et présente une zone de décantation (19), à laquelle un dispositif de pompage (6, 7, 17) est raccordé pour l'évacuation par pompage du liquide de la chambre (2), et un émetteur (3) pour générer une lumière ultraviolette, lequel émetteur (3) est conçu pour irradier la zone de décantation (19) avec la lumière, caractérisé en ce que l'émetteur (3) présente un écran (14) basculant qui empêche qu'une partie (20) sensible à la lumière, en particulier l'objet (20) à traiter, soit irradiée.
  2. Appareil électroménager (18) selon la revendication 1, sur lequel l'émetteur (3) est conçu pour générer la lumière avec une longueur d'onde préférée de 253,7 nm.
  3. Appareil électroménager (18) selon l'une quelconque des revendications précédentes, sur lequel le dispositif de pompage (6, 7, 17) comporte une conduite d'évacuation (17) et sur lequel est disposé dans la conduite d'évacuation (17) un émetteur (4) supplémentaire pour générer une lumière ultraviolette et pour l'irradiation de la conduite d'évacuation (17).
  4. Appareil électroménager (18) selon l'une quelconque des revendications précédentes, qui présente un dispositif de séchage (9, 10, 11, 12), en particulier un dispositif de séchage (9, 10, 11, 12) comprenant un ventilateur (11), pour le séchage de la chambre (2).
  5. Appareil électroménager (18) selon la revendication 4, sur lequel une source de chaleur (3, 16) est attribuée à la chambre pour l'accélération du séchage.
  6. Appareil électroménager (18) selon la revendication 5, sur lequel l'émetteur (3) est la source de chaleur (3, 16).
  7. Appareil électroménager (18) selon l'une quelconque des revendications 5 et 6, sur lequel une barre chauffante (16) pour le réchauffement du liquide pour le traitement de l'objet (20) est la source de chaleur (3, 16).
  8. Appareil électroménager (18) selon l'une quelconque des revendications 5 à 7, sur lequel le dispositif de séchage (9, 10, 11, 12) présente un canal d'arrivée d'air (9) pour l'acheminement d'air sec dans la chambre (2) et un canal d'évacuation d'air (10) pour l'évacuation d'air de sortie humide de la chambre (2).
  9. Appareil électroménager (18) selon l'une quelconque des revendications précédentes, qui est un lave-linge (18) pour le lavage de l'objet (20).
  10. Appareil électroménager (18) selon la revendication 9, sur lequel est disposé dans la chambre (2) un tambour (1) rotatif pour la réception de l'objet (20).
EP06778260A 2005-08-18 2006-08-17 Appareil electromenager pourvu d'un emetteur destine a produire de la lumiere ultraviolette Not-in-force EP1922443B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202005013207U DE202005013207U1 (de) 2005-08-18 2005-08-18 Entkeimung von Waschmaschinen und Innenraumtrocknung von Waschmaschinen zur Keimminimierung
PCT/EP2006/065405 WO2007020282A2 (fr) 2005-08-18 2006-08-17 Appareil electromenager pourvu d'un emetteur destine a produire de la lumiere ultraviolette

Publications (2)

Publication Number Publication Date
EP1922443A2 EP1922443A2 (fr) 2008-05-21
EP1922443B1 true EP1922443B1 (fr) 2009-07-22

Family

ID=37085402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06778260A Not-in-force EP1922443B1 (fr) 2005-08-18 2006-08-17 Appareil electromenager pourvu d'un emetteur destine a produire de la lumiere ultraviolette

Country Status (4)

Country Link
EP (1) EP1922443B1 (fr)
AT (1) ATE437262T1 (fr)
DE (2) DE202005013207U1 (fr)
WO (1) WO2007020282A2 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602007003615D1 (de) * 2006-10-30 2010-01-14 Arcelik Anonim Sirketi Tuzla Wasch- oder geschirrspülmaschine
WO2008065062A1 (fr) * 2006-11-27 2008-06-05 Arcelik Anonim Sirketi Appareil ménager
RU2415212C1 (ru) 2007-03-29 2011-03-27 Арчелык Аноним Ширкети Стиральная машина
EP2314753A1 (fr) * 2009-10-20 2011-04-27 Electrolux Home Products Corporation N.V. Procédé pour effectuer un cycle de rinçage durant un processus de nettoyage dans une machine à laver
DE102011076991A1 (de) * 2011-06-06 2012-12-06 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit flüssigkeitsführenden Bereichen sowie mit mindestens einer Strahlungsquelle mit geeignet bestimmbarem Strahlungsgang
US9093258B2 (en) 2011-06-08 2015-07-28 Xenex Disinfection Services, Llc Ultraviolet discharge lamp apparatuses having optical filters which attenuate visible light
US9165756B2 (en) 2011-06-08 2015-10-20 Xenex Disinfection Services, Llc Ultraviolet discharge lamp apparatuses with one or more reflectors
US9114182B2 (en) * 2012-02-28 2015-08-25 Xenex Disinfection Services, Llc Germicidal systems and apparatuses having hollow tumbling chambers
CA2931403C (fr) 2012-12-06 2020-03-31 Xenex Disinfection Services, Llc. Systemes de definition des parametres de fonctionnement et des programmes de desinfection destines a des dispositifs germicides et des appareils a lampes germicides comprenant des systemes de lentille
US8816301B2 (en) 2012-12-07 2014-08-26 Xenex Healthcare Services, Llc Lamp and reflector arrangements for apparatuses with multiple germicidal lamps
AU2014393062B2 (en) * 2014-05-07 2019-09-19 Electrolux Appliances Aktiebolag Laundry washing machine with an UV source
US9517284B1 (en) 2015-07-02 2016-12-13 Xenex Disinfection Services, Llc. Germicidal apparatuses with configurations to selectively conduct different disinfection modes interior and exterior to the apparatus
US9867894B2 (en) 2015-07-02 2018-01-16 Xenex Disinfection Services, Llc. Germicidal apparatuses with configurations to selectively conduct different disinfection modes interior and exterior to the apparatus
US11648326B2 (en) 2016-02-04 2023-05-16 Xenex Disinfection Services Inc. Cabinets for disinfecting objects
US11690927B2 (en) 2016-02-04 2023-07-04 Xenex Disinfection Services Inc. Systems, cabinets and methods for disinfecting objects
WO2018184803A1 (fr) * 2017-04-07 2018-10-11 Arcelik Anonim Sirketi Rondelle comprenant une source de lumière
DE102017113802A1 (de) * 2017-06-22 2018-12-27 Miele & Cie. Kg Verfahren zum Neutralisieren von Gerüchen in einem Wäschepflegegerät, Steuergerät, Geruchsneutralisierungsvorrichtung und Wäschepflegegerät
JP2021508576A (ja) 2017-12-20 2021-03-11 キュー ワン ホールディング アー・ゲーQ One Holding AG Uv殺菌装置、該uv殺菌装置を用いた方法および該uv殺菌装置の使用
TW201945612A (zh) * 2018-04-16 2019-12-01 日商松下知識產權經營股份有限公司 洗衣機
DE202019000403U1 (de) 2019-01-29 2019-02-13 Günter Wolf UV-Lampe zur Wäschedesinfektion

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DE4004057C2 (de) * 1990-02-10 1997-10-30 Miele & Cie Programmgesteuertes Haushaltgerät, wie Geschirrspülmaschine oder Waschmaschine, sowie Verfahren zum Betrieb des Haushaltgerätes
JP3099423B2 (ja) * 1991-06-13 2000-10-16 松下電器産業株式会社 食器洗い機
US5765403A (en) * 1993-04-16 1998-06-16 Tri-Mark Metal Corporation Water treatment method and apparatus
DE4342049C2 (de) * 1993-12-09 1996-11-14 Bauknecht Hausgeraete Waschmaschine mit einer UV-Strahlungsquelle
US6088932A (en) * 1997-12-30 2000-07-18 Amana Company, L.P. Efficiency clothes dryer
DE19980578C2 (de) * 1998-03-05 2002-11-28 Samsung Electronics Co Ltd Waschmaschine mit einer Vorrichtung zum Filtern von Schmutz im Waschwasser

Also Published As

Publication number Publication date
WO2007020282A3 (fr) 2007-05-10
ATE437262T1 (de) 2009-08-15
DE502006004331D1 (de) 2009-09-03
EP1922443A2 (fr) 2008-05-21
DE202005013207U1 (de) 2006-09-28
WO2007020282A2 (fr) 2007-02-22

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