EP2766518A1 - Appareil ménager à circulation d'eau comportant un dispositif de nébulisation ainsi que procédé pour son fonctionnement - Google Patents

Appareil ménager à circulation d'eau comportant un dispositif de nébulisation ainsi que procédé pour son fonctionnement

Info

Publication number
EP2766518A1
EP2766518A1 EP12773299.8A EP12773299A EP2766518A1 EP 2766518 A1 EP2766518 A1 EP 2766518A1 EP 12773299 A EP12773299 A EP 12773299A EP 2766518 A1 EP2766518 A1 EP 2766518A1
Authority
EP
European Patent Office
Prior art keywords
water
household appliance
mist
objects
control device
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.)
Granted
Application number
EP12773299.8A
Other languages
German (de)
English (en)
Other versions
EP2766518B1 (fr
Inventor
Ingo Schulze
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 PL12773299T priority Critical patent/PL2766518T3/pl
Publication of EP2766518A1 publication Critical patent/EP2766518A1/fr
Application granted granted Critical
Publication of EP2766518B1 publication Critical patent/EP2766518B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/001—Arrangements for transporting, moving, or setting washing machines; Protective arrangements for use during transport
    • 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
    • A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/08—Control circuits or arrangements thereof

Definitions

  • the invention relates to a water-conducting household appliance with a nebulizer and a method for its operation.
  • laundry treatment appliances especially dryers, but also washing machines or dryers
  • additional functions include, but are not limited to, texturing smoothing, wrinkle reduction, odor removal, e.g. About steam extraction, heating with steam in addition to or as an alternative to conventional heating up to hygienic measures both for the laundry care and for the care of the equipment.
  • texturing smoothing e.g. about steam extraction
  • heating with steam in addition to or as an alternative to conventional heating up to hygienic measures both for the laundry care and for the care of the equipment.
  • it is known to treat laundry before steaming in a washing machine with steam see the documents DE 10 2005 056 354 A1 and DE 10 2005 046 163 A1, and also EP 1 275 767 A1).
  • EP 1 275 767 A1 discloses a tumble dryer or automatic washing machine with a steaming device in which steam is supplied to the laundry after the removal of water by heating the water in the bottom of the tub so that steam is generated. The steam penetrates into the drum and acts on the laundry contained therein.
  • DE 103 02 866 A1 describes a clothes dryer with a laundry drum and a spray device arranged at an air outlet and / or a loading opening of the laundry drum for spraying at least one additive into the laundry drum, and a control device for controlling the drying process.
  • the delivery rate of the fan can be reduced, the air flow can be switched off or the conveying direction can be reversed.
  • water vapor can be generated by heating water.
  • DE 34 08 136 A1 describes a method for treating textile material such as fibers, textiles, hides, furs and the like, in which the material is treated with a liquid mist and dried by warm air, wherein the Liquid mist is formed by sputtering the liquid by means of a gas jet.
  • a gas jet a steam jet can be used.
  • DE 102 60 151 A1 describes a laundry treatment appliance in which a processing unit for a liquid for producing mist or steam is connected to the process air duct, so that steam can be introduced into the laundry drum via the supply of process air. This should remove odors from textiles. From DE 102 60 156 A1 a tumble dryer and the use of an ultrasonic atomizer is known.
  • WO 2010/145869 A1 describes a laundry treatment appliance, comprising a treatment room for receiving laundry, a steam generator, which can be fed via a water source by a pump with water, a line connecting the steam generator with the treatment room, and an inlet to Introducing steam into the treatment room, wherein between the steam generator and the treatment room via a switching valve in addition a Vernebelungseinnchtung connected via lines to the treatment room, and wherein the Vernebelungseinnchtung is able to mix the treatment agent in the form of an aerosol.
  • the atomization device may be, for example, an ultrasonic nebulizer.
  • WO 2004/059 070 A1 describes a tumble dryer, which comprises a process air duct for supplying process air into a laundry drum and a process air heater for heating at least the process air in the tumble dryer, wherein at least one processing unit for a liquid for producing odorants from textiles Mist or steam is connected to the process air duct.
  • the processing unit is an evaporator for evaporating water, which is arranged in front of the inlet opening of the process air duct in the laundry drum.
  • the evaporator also has a heating device, which is formed by the process air heating of the clothes dryer.
  • EP 2 000 581 A1 describes a dryer which, in addition to a laundry drum, contains a steam generator and a water tank in which a heater is arranged. In the laundry drum, mist can be provided instead of steam.
  • cleaning processes in a water-conducting household appliance in particular for cleaning laundry or crockery, generally raises the question of how they can be made more efficient, preferably the water consumption in the household appliance should be further reduced, without causing the cleaning effect, eg a with the washing achievable degree of cleaning of laundry, is impaired.
  • a water-conducting household appliance in particular a washing machine, a washer-dryer or a dishwasher, and a method for treating objects to be treated using this household appliance, in each of which the cleaning properties can be better controlled, and preferably the consumption of water can be further reduced.
  • the domestic appliance should preferably allow a performance of a treatment process to be based on the degree of soiling of the objects to be cleaned, e.g. Laundry items, can be adjusted.
  • the invention thus provides a water-conducting household appliance, comprising a water supply system, a treatment room for receiving objects to be treated, a control device and controllable with the control device nebulizer, wherein the nebulizing a water tank for receiving water, a Vernebier for nebulization of in the water tank and wherein the household appliance is a household appliance for cleaning the objects, in particular a washing machine, a washer-dryer or a dishwasher, is.
  • the nebulizing device used according to the invention comprises a nebulizer which can nebulize liquids. This means that the liquid is present in fine drops in the air. This form is called fog.
  • the mist may be at ambient temperature, or it may be heated from the ambient temperature. As a result, mist differs from water vapor, which can arise only when boiling water and condenses on its cooling on cooler surfaces.
  • a heating device is provided, which is arranged in a reservoir for water, herein called water tank.
  • the heater is capable of heating the generated mist to any desired temperature. This is done either by a) heating water present in the water tank to a desired temperature and / or by heating b) a mist produced by the nebuliser.
  • the heating device is preferably designed as a submerged heating element.
  • it may preferably be designed as a hot air blower.
  • the water tank is preferably relatively flat with respect to its height so that mist can be efficiently produced without excessively lowering the water level (also referred to herein as the "water level”.)
  • the heater is preferably a heating coil.
  • a temperature sensor is present, preferably a fast NTC.
  • a control of the power of the nebulizer is already possible.
  • the vernier can be a nozzle, but is preferably designed as an ultrasonic nebulizer. With a Ultraschallvernebler can advantageously be set a small drop size.
  • the household appliance is a washing machine, in the production of a very fine water mist, the evaporation of the mist in a laundry drum can be accelerated and a wetting of the textiles can be avoided. This is of interest, for example, when scouring laundry items is to be achieved.
  • the ultrasonic nebulizer is a piezoelectric, preferably a piezoceramic ultrasonic nebulizer.
  • This type of ultrasonic nebulizer has the advantage that the power of the ultrasonic nebulizer can be controlled continuously. This is particularly advantageous because the required amount of moisture, especially mist, depends on factors such as the amount of load to be cleaned, e.g. contaminated items of laundry, as well as the type and amount of contamination depends, and is preferably adjusted accordingly.
  • a mist generated by a piezoceramic ultrasonic nebulizer generally has a homogeneous droplet size distribution. This homogeneous distribution can be used for even wetting or treatment of laundry items. The drop size can also be controlled in a targeted manner when using a piezoceramic ultrasonic nebulizer. Finally, the energy requirement for atomizing an aqueous liquid with the use of such an ultrasonic nebulizer is low, so that the total energy consumption is comparatively low.
  • the amount, droplet size and droplet size distribution and the temperature of the mist can be adjusted specifically.
  • various treatment agents, such as fragrances with the mist. This is particularly well achieved in that a desired treatment agent is added to the water in the water tank.
  • the forwarding of the mist generated in a treatment room can be effected by a separate blower or even by the nebulizer itself. In general, the forwarding takes place in the upper region of the household appliance open and without pressure, for example in a washing machine, preferably via a cuff.
  • the household appliance has a water supply line, which splits into a water supply line for the nebulization device and into a treatment room supply line.
  • a 3/2-way valve switching valve, depressurized
  • a treatment room supply line in a washing machine is generally followed by the treatment room supply line, an induction bowl and a connecting tube to the tub, for. a filling hose for lye / water.
  • At least one water level sensor is arranged in the household appliance in the water tank. This makes it possible to monitor the proper functioning of the nebuliser.
  • several water level sensors are mounted, so that particularly accurate information about the water level can be forwarded to a control device.
  • the control device is designed so that it can cause the supply of water into the water tank at a low water level, for example by a valve to the water inlet system of the water-bearing household appliance is opened until a certain water level is reached.
  • a temperature sensor is arranged in the water tank. As a result, overheating and thus damage to the household appliance or the objects to be treated can be easily avoided.
  • the nebulizer used according to the invention essentially produces a mist from an aqueous liquid.
  • the aqueous liquid is either water or an aqueous solution containing additives, which additives are generally designed to exert certain effects on the articles to be treated. For example, these additives can impart certain properties to laundry items or advantageously influence a laundry treatment process.
  • the nebulizer is preferably arranged between the heating device and a mist channel.
  • the control device is preferably set up in such a way that it makes it possible to set a desired drop size, quantity and / or temperature of the mist in the water tank.
  • the controller preferably stores a relationship between on the one hand droplet size, quantity and / or temperature of the mist, and on the other hand the type and extent of impurities and / or type and optionally amount of the contaminated objects.
  • the household appliance according to the invention is in particular a washing machine, a washer-dryer or a dishwasher.
  • the household appliance is a washing machine with a rotatably mounted in a tub drum for receiving laundry.
  • the atomization device is connected to a cuff of the washing machine via a mist channel.
  • a washing machine generally has in addition to the tub a rotatably mounted in the tub drum for receiving laundry to be treated.
  • a washing machine generally also has a lye drainage system arranged at the bottom of the lye container with a drain pump and generally also laundry hoppers and / or scooping devices.
  • a pressure sensor and / or a temperature sensor are generally arranged in the washing tub in a washing machine. 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 household appliance below the radiator on a collecting tray for falling from the heater limescale can advantageously have a display device for carrying out a method according to the invention.
  • the display device may be an optical and / or acoustic display device.
  • the invention furthermore relates to a method for cleaning articles in a water-conducting domestic appliance according to the invention, comprising the steps:
  • Articles within the meaning of the invention are in particular items of laundry or dishes, cutlery, pots and the like.
  • the water in the water tank is first heated to a comparatively high temperature by means of the heating device for hygienic reasons, e.g. 60 ° C, and then set a desired fog temperature using the ultrasonic nebulizer.
  • the household appliance is a washing machine and the temperature of the mist is controlled such that a maximum temperature value T max of the mist deposited for an inserted type of textile and / or a type of contamination in the control device is not exceeded.
  • the mist is brought into contact with objects to be cleaned prior to a washing phase for solving soiling.
  • the control device is preferably set up so that, in addition to the control of a treatment program, it is also possible to regulate the generation of mist.
  • the control device may preferably initiate remedial measures if the nebulizer device does not function properly.
  • the control device for example, at too high a temperature of the mist, the heater or the Vernebier switch off and / or cause a corresponding acoustic and / or visual display on a display device.
  • the inventive water-conducting household appliance is a washing machine, especially a cleaning, disinfecting, Entknittern and refreshing of laundry and a dissolution of contaminants thereon.
  • treatment refers above all to the cleaning of the objects and the dissolving of soiling on the objects.
  • mist can be used for the treatment of laundry in a simple and very efficient way. This is particularly advantageous for the elimination of wrinkles, for the dissolving of stains and for the improvement of the hygiene during dishwashing, wherein in each case desired temperatures can be set easily.
  • mist can be removed as a separate program at different temperatures (cold to 90 ° C).
  • temperatures cold to 90 ° C.
  • the temperature of this mist can be easily adjusted to suit every type of textile and soiling without any damage to the textile.
  • proteinaceous soils such as e.g. Blood and leftovers without the risk of burn-in, as it exists for example in hot steam, are dissolved in advance.
  • a refresher treatment could be carried out as a separate program at different temperatures from cold to 60 ° C.
  • Hygienic treatment is easily possible at higher temperatures (eg 60 ° C to 100 ° C).
  • a sanitary treatment in a washing machine can be carried out during final spinning, with good visibility and a large surface area.
  • the mist is passed to a present at high numbers of revolutions applied laundry.
  • only relatively little energy is used to generate a mist, so that a high energy efficiency is given.
  • it can be achieved that at the beginning of the mist generation no formation of condensate drops (avoiding a so-called "spitting" outlet).
  • Fig. 1 is a schematic representation of the presently relevant parts of a non-limiting embodiment of a water-carrying
  • Household appliance which is designed here as a washing machine.
  • Fig. 2 shows a nebulizer, as it comes in a further embodiment of the water-conducting household appliance used.
  • the washing machine 1 shown in Fig. 1 has a tub 3 as a treatment room in which a drum 2 is rotatably mounted and can be operated by a drive motor 14.
  • the long arrow indicates the direction of rotation of the drum here.
  • 21 means the axis of rotation of the drum 2.
  • Wäschemitivity 4 and 5 Schmüinraumen 5 for the wash liquor 6 are on the inner surface of the drum shell available.
  • a washing machine water from the water connection 8 from the domestic water network via an electrically controllable two-way valve 9 and a water supply 30 first to an electrically controllable three-way valve 10, to which a Ein Cyprusschalenzutechnisch 31 and a water supply line 23 are connected.
  • the dispenser 1 1 is connected via a connecting tube (filling hose) 17 with the tub 3 and the drum 2.
  • the water coming via the water connection 8 or the dispensing cup feed line 31 can transport washing agent portions located there via the connecting tube 17 into the tub 3 via the dispensing dish 1 1.
  • the water supply line 23 leads to the nebuliser 19, in which a heater 22 and an ultrasonic nebulizer 18 are arranged in a water tank 29 which is filled with water 33.
  • the water level is displayed and monitored by means not shown here water level sensors.
  • the ultrasonic nebulizer 18 is disposed between the heater 22 and a mist channel 16.
  • the mist channel 16 is connected in the embodiment shown here via a sleeve 32 with the tub 3.
  • the short thick arrows indicate the direction of flow of the mist.
  • the voltage required for activating the ultrasonic nebulizer 18 is conducted to the ultrasonic nebuliser 18 via a line, not shown here, wherein the line can be connected to a battery, a battery or the like.
  • mist with a desired temperature and droplet distribution and in a desired amount is generated.
  • a display device 34 is located on the washing machine 1 of the specific embodiment shown here.
  • a lye heater 13 in the tub 3.
  • the valve 9 as well as the lye heater 13 may be controlled by a controller 12 in response to a schedule that may be tied to a schedule and / or to the achievement of certain measurements of parameters such as liquor level, liquor temperature, drum speed, etc. within the washer.
  • Fig. 1 is a pressure sensor for the measurement of the hydrostatic pressure p in the tub 3, which results from the level of forming in the tub 3 free liquor.
  • the signals from the drive motor 14, pressure sensor 15, etc. are supplied to the control device 12, although this is not shown for reasons of clarity.
  • 20 means a Laugenablaufsystem.
  • FIG. 2 shows a nebulizing device 19, as used in a further embodiment of a water-conducting household appliance 1 according to the invention.
  • the reference numerals have the same meaning as in Fig. 1st
  • Detergent dispenser (dispenser)
  • Water level sensors water level sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un appareil ménager à circulation d'eau (1), comportant un système d'arrivée d'eau (8, 9), un espace de traitement (2) destiné à recevoir des objets à traiter (7), un dispositif de commande (12) et un dispositif de nébulisation (19) qui peut être commandé par le dispositif de commande (12). Le dispositif de nébulisation (19) comprend un réservoir d'eau (29) destiné à contenir de l'eau, un atomiseur (18) servant à nébuliser l'eau présente dans le réservoir d'eau (29), ainsi qu'un dispositif de chauffage (22) qui est disposé dans le réservoir d'eau (29). L'appareil ménager (1) est un appareil ménager servant à nettoyer des objets (7), en particulier une machine à laver, un lave-linge séchant ou un lave-vaisselle.
EP12773299.8A 2011-10-11 2012-10-11 Appareil ménager à circulation d'eau comportant un dispositif de nébulisation ainsi que procédé pour son fonctionnement Active EP2766518B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12773299T PL2766518T3 (pl) 2011-10-11 2012-10-11 Prowadzące wodę urządzenie gospodarstwa domowego z zespołem wytwarzania mgły oraz sposób jego eksploatacji

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084265A DE102011084265A1 (de) 2011-10-11 2011-10-11 Wasserführendes Haushaltsgerät mit einer Vernebelungseinrichtung sowie Verfahren zu seinem Betrieb
PCT/EP2012/070123 WO2013053797A1 (fr) 2011-10-11 2012-10-11 Appareil ménager à circulation d'eau comportant un dispositif de nébulisation ainsi que procédé pour son fonctionnement

Publications (2)

Publication Number Publication Date
EP2766518A1 true EP2766518A1 (fr) 2014-08-20
EP2766518B1 EP2766518B1 (fr) 2018-01-10

Family

ID=47040708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12773299.8A Active EP2766518B1 (fr) 2011-10-11 2012-10-11 Appareil ménager à circulation d'eau comportant un dispositif de nébulisation ainsi que procédé pour son fonctionnement

Country Status (5)

Country Link
EP (1) EP2766518B1 (fr)
DE (1) DE102011084265A1 (fr)
ES (1) ES2658351T3 (fr)
PL (1) PL2766518T3 (fr)
WO (1) WO2013053797A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111334989B (zh) * 2018-12-19 2022-04-08 青岛海尔洗涤电器有限公司 衣物处理设备
JP7153141B2 (ja) * 2018-12-19 2022-10-13 青島海爾▲滾▼筒洗衣机有限公司 衣類処理設備用の制御方法及び衣類処理設備
CN111411474A (zh) * 2018-12-19 2020-07-14 青岛海尔滚筒洗衣机有限公司 用于衣物处理设备的控制方法及衣物处理设备
CN111411488A (zh) * 2018-12-19 2020-07-14 青岛海尔滚筒洗衣机有限公司 用于衣物处理设备的控制方法及衣物处理设备

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DE3408136A1 (de) 1984-03-06 1985-09-19 Passat-Maschinenbau Gmbh, 7100 Heilbronn Verfahren und vorrichtung zum behandeln von textilien
CH695383A5 (de) 2001-07-10 2006-04-28 V Zug Ag Wäschetrockner oder Waschautomat mit Bedampfungsvorrichtung.
DE10260151A1 (de) * 2002-12-20 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrockner und Verfahren zur Geruchsentfernung aus Textilien
DE10260156A1 (de) 2002-12-20 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrockner und Verwendung eines Ultraschallzerstäubers
DE10302866B4 (de) 2003-01-25 2010-08-12 Electrolux Home Products Corporation N.V. Wäschetrockner mit einer Einrichtung zum Einsprühen von Zusätzen und Verfahren hierfür
KR100672515B1 (ko) 2004-11-30 2007-01-24 엘지전자 주식회사 세탁 장치의 운전 방법
DE102005046163A1 (de) 2005-09-27 2007-03-29 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Einrichtung zum Lüften eines Textilstücks
KR100774217B1 (ko) * 2006-09-25 2007-11-08 엘지전자 주식회사 건조기
EP2000581B1 (fr) * 2007-06-08 2014-02-19 LG Electronics Inc. Appareil de séchage
EP2427595B1 (fr) 2009-05-05 2014-01-15 BSH Bosch und Siemens Hausgeräte GmbH Appareil de traitement du linge presentant un generateur de vapeur et procede de traitement d'un article a laver
JP2011167496A (ja) * 2010-01-19 2011-09-01 Panasonic Corp 食器洗浄機

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Also Published As

Publication number Publication date
EP2766518B1 (fr) 2018-01-10
PL2766518T3 (pl) 2018-06-29
DE102011084265A1 (de) 2013-04-11
WO2013053797A1 (fr) 2013-04-18
ES2658351T3 (es) 2018-03-09

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