EP3204548B1 - Appareil d'entretien du linge comportant un dispositif de production d'ozone - Google Patents

Appareil d'entretien du linge comportant un dispositif de production d'ozone Download PDF

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Publication number
EP3204548B1
EP3204548B1 EP15780790.0A EP15780790A EP3204548B1 EP 3204548 B1 EP3204548 B1 EP 3204548B1 EP 15780790 A EP15780790 A EP 15780790A EP 3204548 B1 EP3204548 B1 EP 3204548B1
Authority
EP
European Patent Office
Prior art keywords
laundry
ozone
care appliance
detected
load
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
EP15780790.0A
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German (de)
English (en)
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EP3204548A1 (fr
Inventor
Christian Bräunlich
Ingo Schulze
Hartmut Schaub
Frieda Probst
Hans Eglmeier
Matthias Dreßler
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Publication of EP3204548A1 publication Critical patent/EP3204548A1/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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • 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
    • 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
    • D06F2103/04—Quantity, e.g. weight or variation of 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
    • 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
    • D06F2103/06—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
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/02—Water supply
    • 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
    • D06F2105/42—Detergent or additive supply
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • 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
    • 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 present invention relates to a laundry care device with an ozone generating device.
  • a laundry care process in a laundry care device such as a washing machine or tumble dryer
  • the laundry to be cared for is cleaned with detergent solution or dried with warm air.
  • the laundry supplied can contain germs which have been transferred to the laundry by the laundry wearer.
  • Germs include, for example, algae, archaea, amoebas, flagellates, bacteria, protozoa or viruses. Since germs in the laundry can cause unpleasant odors under certain circumstances, a reduction in the germ load can be advantageous in order to reduce unpleasant odors in the laundry caused by the germs.
  • DE 10 2012 209 211 A1 describes a water-conducting household appliance with a nebulizer device for nebulizing water in a water tank and with a treatment gas generator for generating treatment gas.
  • the document JP 2005 021633 A discloses a laundry care device according to the preamble of claim 1.
  • the object on which the invention is based is to provide a laundry care appliance in which a reduction in odor and a reduction in germs in laundry is achieved.
  • the object is achieved by a laundry care device for taking care of laundry, wherein the laundry care device comprises a laundry drum for receiving laundry, a load detection device for detecting a laundry load of the laundry drum, an ozone generating device for generating ozone, and a control device, wherein the Control device is designed, an amount of ozone depending on the detected laundry load to determine the laundry drum, and wherein the ozone generating device is designed to generate the specific amount of ozone.
  • the amount of ozone can be added to the laundry in the laundry drum during a laundry care process together with washing liquor.
  • the amount of ozone can be fed to the laundry in the laundry drum during a laundry care process together with an amount of water or washing liquor mist generated by a mist generation device.
  • the amount of ozone can be supplied to the laundry in the laundry drum together with air during a dry laundry care process, without the supplied ozone being supplied to the laundry in the laundry drum with water or washing liquor.
  • the control device can determine the exact amount of ozone that must be generated in order to achieve a reduction in germs and odors.
  • a laundry care device is understood to mean a device which is used for laundry care. This can be a large device, such as a washing machine or tumble dryer. In particular, such a laundry care device is understood to mean a household laundry care device. So a laundry care device, which is used in the context of housekeeping, and with which laundry is treated in household quantities.
  • the load detection device is designed to detect a laundry weight or a laundry volume in the laundry drum as a laundry load in order to obtain the detected laundry load.
  • the weight of the laundry can be detected by the load detection device by measuring the weight of the laundry in the laundry drum.
  • the load detection device can comprise a weighing device which can detect the weight of the laundry after the laundry has been added to the laundry drum.
  • a weighing device in a washing machine has the advantage that the weight of the laundry in the laundry drum can be determined before the washing liquor is fed to the laundry. This prevents, for example, that the recorded laundry weight is falsified by the wetting of the laundry in the laundry drum with washing liquor.
  • the detection of the weight of the laundry or the volume of laundry by the load detection device can also be carried out by detecting the wetting of the Laundry done in the drum of a washing machine. This measures the amount of washing liquor that is supplied to the tub during a washing process and taken up by the laundry in the washing drum.
  • the load detection device can also detect the amount of washing liquor that is supplied to the tub.
  • a pressure sensor located in the tub can detect the hydrostatic pressure of the wash liquor in the tub after the amount of wash liquor has been supplied and thereby determine the fill level of the wash liquor in the tub. From a comparison of the amount of washing liquor supplied to the tub with the filling level of the washing liquor in the tub, the load detection device can determine an amount of washing liquor that was absorbed by the laundry in the washing drum. In the case of a known type of fabric for the laundry and the specific absorbency of the laundry resulting therefrom, the laundry weight or the laundry volume can be determined.
  • the load detection device can also be designed to determine, in a first step, a total amount of washing liquor that is supplied to the tub on the basis of the measurement of the hydrostatic pressure of the washing liquor in the tub of a washing machine.
  • the laundry in the washing drum absorbs part of the detergent solution supplied.
  • conclusions can be drawn about the weight of the laundry or the volume of the laundry in the laundry drum.
  • the load detection device in a laundry care device can also be designed to detect the laundry weight of the laundry in the laundry drum by the oscillation system sagging under load.
  • the laundry drum comprises an oscillating system which is suspended on springs. If the spring constant and elongation of the springs are known, conclusions can be drawn about the force that is exerted on the oscillating system by the weight of the laundry in the laundry drum. After considering the damping of the oscillating system due to static friction and after considering the empty weight of the oscillating system, the sagging the oscillation system of the laundry drum can be inferred from the laundry weight of the laundry in the laundry drum.
  • one or more of the mentioned methods enables the laundry weight or the laundry volume to be measured, so that an amount of ozone that is advantageous for the laundry care process can be determined by the control device in order to reduce the odor and germ load of the laundry.
  • the load detection device is also designed to detect a type of laundry in the laundry drum, the control device being designed to determine the amount of ozone as a function of the detected laundry load and the type of laundry.
  • the type of laundry to be cleaned influences the amount of ozone required.
  • a type of laundry that has a large surface such as towels
  • a large amount of ozone is required in order to carry out odor and germ reduction in the laundry.
  • items of laundry with cotton fibers are used, which have a large surface and can therefore bind a large amount of ozone.
  • a larger amount of ozone must be fed to the laundry drum than is the case with other laundry fibers.
  • a small amount of ozone is required, whereby the amount of ozone supplied to the laundry can be reduced.
  • Items of laundry with synthetic fibers that have a smooth surface absorb a small amount of ozone. Consequently, a small amount of ozone has to be added to synthetic fibers in order to ensure a reduction in odor and germs.
  • the determination of an advantageous amount of ozone by the control device can be ensured in order to achieve effective odor and germ removal from the laundry.
  • the ozone generating device is designed to generate the amount of ozone under the action of UV light or by dielectrophoresis.
  • ozone is generated from molecular oxygen as part of a silent electrical discharge through two electrodes with opposite charges.
  • ozone is generated by dielectrophoresis.
  • electrophoresis ozone can be produced with little effort and with an ozone concentration between 3% by volume and 6% by volume.
  • ozone is generated from molecular oxygen by the action of ultraviolet light.
  • ozone In ozone generating devices based on UV light, ozone can be produced with a concentration between 0.5% by volume and 1% by volume. Thus, the amount of ozone can be generated by an ozone generating device based on UV light or dielectrophoresis in order to bring about an effective odor and germ reduction in the laundry.
  • the ozone generating device is designed to generate an ozone-air mixture.
  • the generated ozone-air mixture can be introduced directly into the laundry drum and can thus come into contact with the laundry in the laundry drum in order to enable effective odor and germ removal.
  • control device is designed to determine an ozone concentration value as a function of the detected laundry load or type of laundry, the ozone generating device being designed to generate the amount of ozone with the determined ozone concentration value.
  • the amount of ozone generated by the ozone generating device can be adapted to the amount of ozone that is required in the laundry care process.
  • an ozone concentration value In order to achieve an effective odor and germ reduction in the laundry in the laundry drum, an ozone concentration value must be determined. The specific ozone concentration value must be selected in such a way as to ensure effective odor and germ reduction in the laundry. At the same time, the particular ozone concentration value must not be selected too high, since excess ozone can otherwise remain in the laundry care appliance after the laundry care process has ended.
  • the control device determines an amount of ozone as a function of the laundry load or type of laundry in order to determine an advantageous ozone concentration.
  • a large laundry load in the laundry drum a large amount of ozone is absorbed by the laundry. Therefore, with a large amount of laundry or a large volume of laundry, a larger amount of ozone is required to generate a certain ozone concentration value than with a small laundry load.
  • the ozone concentration value can be a maximum of 50 ppm.
  • the ozone concentration value can preferably be a maximum of 20 ppm.
  • the ozone concentration value can particularly preferably be a maximum of 15 ppm.
  • the ozone concentration can drop after the supply of the ozone and after the maximum specific ozone concentration has been reached.
  • the ozone concentration value after the ingestion of some of the supplied ozone by the Laundry depends on the laundry load or the type of laundry.
  • the determination of the ozone concentration value as a function of the detected laundry load or type of laundry and the generation of the amount of ozone with the determined ozone concentration value by the ozone generating device enables an effective odor and germ reduction during the laundry care process.
  • control device is designed to determine a time interval for ozone generation as a function of the detected laundry load or type of laundry, the ozone generation device being designed to generate the amount of ozone in the specific time interval.
  • the amount of ozone generated by the ozone generating device can be adapted to the amount of ozone that is actually required in the laundry care process.
  • the amount of ozone added must be selected so that it ensures an effective odor and germ reduction in laundry.
  • the ozone generating device is often designed in such a way that ozone is generated at a constant rate, in particular with a fixed amount of ozone per unit of time, and is fed to the laundry drum. Since in this case it is not possible to regulate the amount of ozone generated by changing the rate of ozone generation, the amount of ozone supplied is regulated by determining the time interval in which ozone is supplied to the laundry drum.
  • the time interval can include a starting point in time at which the ozone generating device begins to generate ozone.
  • the time interval can include an end point in time at which the ozone generating device ends the generation of ozone.
  • the laundry care device comprises a fill level sensor, the fill level sensor being designed to detect a fill level of washing liquor in the tub, and the control device being designed to measure the amount of ozone as a function of the detected fill level and as a function of the detected laundry load or To determine the type of laundry.
  • the amount of washing liquor in the tub correlates with the laundry load or the type of laundry in the laundry drum, since the laundry binds part of the washing liquor in the tub. For example, with a large amount of laundry, a large amount of detergent solution is bound by the laundry. Accordingly, with a large amount of laundry, a larger amount of ozone is required to reduce odors and germs than is the case with a smaller amount of laundry.
  • the amount of ozone can thus be determined by the control device in such a way that an effective odor and germ reduction in the laundry is achieved.
  • the laundry care device comprises a pressure sensor, the pressure sensor being designed to detect a hydrostatic pressure of washing liquor in the tub, and the control device being designed to measure the amount of ozone as a function of the detected hydrostatic pressure and as a function to determine from the detected laundry load or type of laundry.
  • the pressure sensor can be located on the bottom of the tub and detects the hydrostatic pressure of washing liquor in the tub. The pressure sensor detects the hydrostatic pressure that the column of wash liquor in the tub exerts on the bottom of the tub.
  • the laundry in the laundry drum can, depending on the laundry load or type of laundry, bind part of the washing liquor in the tub, whereby the hydrostatic pressure of the water column detected by the pressure sensor is reduced.
  • the ozone generating device can be regulated automatically as a function of the detected hydrostatic pressure by the pressure sensor and as a function of the detected laundry load or type of laundry. This ensures that the advantageous amount of ozone is determined in order to enable an effective odor and germ reduction.
  • the laundry care device comprises a fresh water line, a washing liquor line and a flow sensor, the fresh water line being designed to supply water to the tub, the washing tubing being designed to divert the washing liquor from the tub, the flow sensor being designed, a flow rate of water in the fresh water line or of washing liquor in the washing liquor line in a further time interval, the flow sensor being designed to determine the amount of water introduced or the amount of washing liquor discharged in the further time interval based on the detected flow rate of water or washing liquor, and wherein the control device is designed, the amount of ozone as a function of the particular amount of water introduced or as a function of the amount of wash liquor derived in the further time interval and depending on the detected laundry load or type of laundry.
  • the detected flow rate in the recorded further time interval can be used to infer the amount of water supplied or the derived amount of washing liquor in the further time interval of a laundry care process, which in turn depends on the laundry load or the type of laundry Correlated laundry in the laundry drum, whereby the amount of ozone generated can advantageously be determined by the control device.
  • the flow sensor can detect the volume flow of water that flows into the tub in the further time interval via the fresh water line.
  • the flow sensor can detect the volume flow of washing liquor which flows out of the tub in the further time interval through the washing liquor line.
  • the laundry in the laundry drum of the laundry care device binds part of the water that flows into the tub or binds part of the detergent solution that flows out of the tub.
  • the amount of water bound by the laundry depends on the laundry load, such as the laundry weight or the laundry volume, or on the type of laundry.
  • the amount of water or wash liquor that is absorbed by the laundry can be inferred.
  • the type of laundry can be deduced if the laundry weight is known, or the laundry weight can be deduced from a known laundry type.
  • the advantageous amount of ozone can be determined by the control device as a function of the detected flow speed in the further time interval and as a function of the detected laundry load or type of laundry, in order to enable the laundry to effectively remove odors and germs.
  • the laundry care device comprises an ozone removal device, the ozone removal device being designed to remove a further amount of ozone from the laundry care device.
  • the ozone removal device can comprise an activated carbon filter, through which the further amount of ozone is converted by chemical reaction, e.g. into carbon dioxide, and can thus be removed from the laundry care appliance.
  • the ozone removal device can comprise a device by means of which the further amount of ozone can be bound in the laundry care appliance and thereby removed.
  • the ozone removal device e.g. the activated carbon filter, can be controlled in such a way that the further amount of ozone or the excess ozone is removed from the laundry care device after the ozone treatment of the laundry has been completed.
  • the amount of ozone generated by the ozone generating device exceeds the amount of ozone actually required for the laundry care process.
  • the ozone removal device By using the ozone removal device, the additional amount of excess ozone can be removed from the laundry care appliance. As a result, an effective odor and germ reduction in the laundry in the laundry drum can be ensured.
  • the laundry care device comprises an oxygen generation device, the control device being designed to determine an amount of oxygen as a function of the detected laundry load or the type of laundry, and wherein the oxygen generation device is designed to generate the specific amount of oxygen and to be supplied to the ozone generating device.
  • Ozone is generated in the ozone generating device by an electrical discharge reaction from molecular oxygen. If the oxygen concentration in the ozone generating device is increased, then the efficiency of the ozone generating reaction can be increased. In the case of an increased oxygen concentration in comparison to the oxygen concentration in the ambient air, a larger amount of Ozone generated by the ozone generating device.
  • the ozone generated can be fed to the laundry in the laundry drum of the laundry care device. This increases the effectiveness of odor and germ removal during the laundry care process.
  • the laundry care device comprises an ozone sensor, wherein the ozone sensor is designed to detect an ozone concentration value in the laundry drum, and wherein the control device is designed to determine the amount of ozone as a function of the detected ozone concentration value and as a function of the detected To determine the laundry load or the type of laundry detected.
  • the ozone concentration value in the laundry drum can be determined by using the ozone sensor, and the generation and addition of the advantageous amount of ozone to the laundry in the laundry drum by the ozone generating device can thereby be ensured.
  • the ozone sensor enables the recorded ozone concentration value in the laundry drum to be passed on directly to the ozone generating device.
  • the ozone generating device can thus react automatically and without a time delay to an ozone value that is too low or too high in the laundry drum, and can increase or reduce the generation of ozone.
  • control device is designed to stop the generation of ozone by the ozone generation device when the detected ozone concentration value reaches a predetermined ozone concentration threshold value.
  • the laundry care device comprises a signal generating device, the signal generating device being designed to generate a signal when the detected ozone concentration value reaches a predetermined ozone concentration threshold value.
  • the signal generating device can generate a signal when the ozone concentration value in the laundry drum exceeds a predetermined ozone concentration threshold value.
  • the predetermined ozone concentration threshold value can comprise a limit value which is selected such that at an ozone concentration.
  • the predetermined ozone concentration threshold value can be in a range between 20 ⁇ g / m 3 and 200 ⁇ g / m 3 .
  • the signal generated by the signal generating device can include an acoustic signal or an optical signal, such as a light signal.
  • the signal can also include an internal signal to the laundry care device, which leads to a reduction or a complete stop of the generation and supply of ozone into the laundry drum by the ozone generation device.
  • the signal can also include an internal signal to the laundry care device, as a result of which, for example, the door of the laundry care device is locked until the detected ozone concentration value in the laundry drum falls below the predetermined ozone concentration value again.
  • Fig. 1 a schematic representation of a laundry care device.
  • Fig. 1 shows a schematic representation of a general laundry care device 100, such as a washing machine.
  • the laundry care device 100 can optionally include a storage container 101 in which detergent or other liquid substances can be filled if the laundry care device 100 comprises a washing machine.
  • the detergent solution required for the laundry care process arises when water is fed to the storage container 101 and mixes there with the detergent or with the other liquid substances.
  • the interior of the laundry care device 100 can optionally include a tub 103 in which the detergent solution produced is received.
  • a quantity of laundry can be introduced into a laundry drum 105 which is at least partially introduced into the optionally available tub 103.
  • the laundry care device 100 comprises a load detection device 107 which is designed to detect a laundry load in the laundry drum 105.
  • the load detection device 107 can in particular detect the laundry weight, the laundry volume or the laundry type of the laundry in the laundry drum 105.
  • the load detection device 107 can, for example, comprise a weight detection device for determining a laundry weight of the laundry in the laundry drum 105, such as a weighing device.
  • the load detection device 107 can alternatively comprise a device with which the volume or type of laundry in the laundry drum 105 is detected, such as a device for detecting the wetting of the laundry in a washing machine.
  • the load detection device 107 is in contact via a load connection 110 with a control device 108, which can process the information about the detected laundry load or the type of laundry and, on the basis of the information, can determine the amount of ozone that is generated by an ozone generating device 109.
  • the control device 108 is in contact with the ozone generation device 109 via an ozone generation connection 111 in order to control the ozone generation device 109 in such a way as to generate the amount of ozone determined by the control device 108.
  • ozone concentration profiles determined offline can also be used in order to determine an advantageous amount of ozone that is generated by the ozone generating device 109 and fed to the laundry drum 105.
  • the ozone generating device 109 can supply ozone to the laundry in the laundry drum together with washing liquor or with a mist of water or washing liquor produced by a mist generating device.
  • the ozone generating device 109 can alternatively supply ozone together with air to the laundry in the laundry drum during a dry laundry care process without the laundry in the washing drum 105 being moistened with water or washing lye.
  • the ozone generating device 109 comprises conventional ozone generators which are suitable for generating gaseous ozone, such as, for example, an ozone generator which generates ozone by dielectrophoresis.
  • the ozone generating device 109 can emit the generated ozone as an ozone-air mixture.
  • the control device 108 is designed to determine an amount of ozone as a function of the detected laundry load or the type of laundry and to supply the determined amount of ozone to the laundry drum 105.
  • the type of laundry detected by the load detection device 107 can have a considerable influence on the required amount of ozone.
  • the load detection device 107 can detect, for example, that the laundry in the laundry drum 105 is mainly composed of synthetic fibers. Since synthetic fibers have a relatively smooth surface that can absorb a small amount of water and a small amount of ozone, when synthetic fibers are detected by the load detector 107, the amount of ozone generated by the ozone generator 109 can be reduced .
  • the load detection device 107 can detect that the laundry in the laundry drum 105 consists mainly of cotton. Since cotton fibers have a large surface area, cotton fibers can absorb a large amount of water and a large amount of ozone. For this reason, when cotton fibers are detected, the amount of ozone generated by the ozone generating device 109 can be increased. This can be done, for example, by lengthening the time interval between the ozone supply by the ozone generating device 109 or in the As part of a renewed supply of ozone by the ozone generating device 109 at a different point in time of the laundry care process.
  • control device 108 and the ozone generating device 109 it is achieved that a certain amount of ozone is supplied to the laundry drum 105 depending on the detected laundry load or laundry type, which is advantageous in reducing the odor and germ load of the laundry in the laundry drum 105 to reduce.
  • the precise determination of the advantageous amount of ozone ensures that the amount of ozone that is fed to the laundry drum 105 effectively reduces odors and germs in the laundry in the laundry drum 105, whereby excess ozone is prevented from being released after the laundry care process in the laundry care device 100 remains. For this reason, it is important that, when ozone is generated by the ozone generating device 109, the duration is also taken into account which is required for the ozone fed to the laundry drum 105 to be broken down again.

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

Claims (13)

  1. Appareil d'entretien du linge (100) servant à entretenir du linge, dans lequel l'appareil d'entretien du linge (100) comprend un tambour à linge (105) pour recevoir du linge, un dispositif de détection de chargement (107) pour détecter un chargement de linge du tambour à linge (105), un dispositif de production d'ozone (109) pour produire de l'ozone et un dispositif de commande (108), dans lequel le dispositif de détection de chargement (107) est conçu en outre pour détecter un type de linge dans le tambour à linge (105), et l'appareil d'entretien du linge (100) comprend un capteur de niveau de remplissage, lequel capteur de niveau de remplissage est conçu pour détecter un niveau de remplissage de liquide de lavage dans une cuve de lavage (103), caractérisé en ce que le dispositif de commande (108) est conçu pour corréler la quantité de liquide de lavage dans la cuve de lavage (103) détectée par le capteur de niveau de remplissage avec le chargement de linge ou le type de linge et pour déterminer une quantité d'ozone en fonction du niveau de remplissage détecté et du chargement de linge du tambour à linge (105) corrélé avec le niveau de remplissage détecté ou du type de linge corrélé avec le niveau de remplissage détecté, et
    en ce que le dispositif de production d'ozone (109) est conçu pour produire la quantité d'ozone déterminée.
  2. Appareil d'entretien du linge (100) selon la revendication 1, caractérisé en ce que le dispositif de détection de chargement (107) est conçu pour détecter, en tant que chargement de linge, un poids de linge ou un volume de linge dans le tambour à linge (105), afin d'obtenir le chargement de linge détecté.
  3. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de production d'ozone (109) est conçu pour produire la quantité d'ozone sous l'effet de lumière UV ou par diélectrophorèse.
  4. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de production d'ozone (109) est conçu pour produire un mélange ozone-air.
  5. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de commande (108) est conçu pour déterminer une valeur de concentration d'ozone en fonction du chargement de linge ou du type de linge détecté, et en ce que
    le dispositif de production d'ozone (109) est conçu pour produire la quantité d'ozone à la valeur de concentration d'ozone déterminée.
  6. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de commande (108) est conçu pour déterminer un intervalle de temps de production d'ozone en fonction du chargement de linge ou du type de linge détecté, et en ce que
    le dispositif de production d'ozone (109) est conçu pour produire la quantité d'ozone dans l'intervalle de temps déterminé.
  7. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un capteur de pression,
    en ce que le capteur de pression est conçu pour détecter une pression hydrostatique du liquide de lavage dans la cuve de lavage (103), et
    en ce que le dispositif de commande (108) est conçu pour déterminer la quantité d'ozone en fonction de la pression hydrostatique détectée et en fonction du chargement de linge ou du type de linge détecté.
  8. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend une conduite d'eau fraîche, une conduite de liquide de lavage et un capteur de débit,
    en ce que la conduite d'eau fraîche est configurée pour acheminer de l'eau à la cuve de lavage (103),
    en ce que la conduite de liquide de lavage est configurée pour évacuer du liquide de lavage hors de la cuve de lavage (103),
    en ce que le capteur de débit est conçu pour détecter une vitesse d'écoulement de l'eau dans la conduite d'eau fraîche ou de liquide de lavage dans la conduite de liquide de lavage dans un autre intervalle de temps,
    en ce que le capteur de débit est conçu pour déterminer, en se basant sur la vitesse d'écoulement détectée de l'eau ou du liquide de lavage dans l'autre intervalle de temps, la quantité d'eau introduite ou la quantité de liquide de lavage évacuée, et en ce que le dispositif de commande (108) est conçu pour déterminer la quantité d'ozone en fonction de la quantité d'eau introduite déterminée ou en fonction de la quantité de liquide de lavage évacuée dans l'autre intervalle de temps et en fonction du chargement de linge ou du type de linge détecté.
  9. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un dispositif d'élimination d'ozone, et en ce que le dispositif d'élimination d'ozone est conçu pour éliminer une autre quantité d'ozone de l'appareil d'entretien du linge (100).
  10. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un dispositif de production d'oxygène,
    en ce que le dispositif de commande (108) est conçu pour déterminer une quantité d'oxygène en fonction du chargement de linge ou du type de linge détecté, et
    en ce que le dispositif de production d'oxygène est conçu pour produire la quantité d'oxygène déterminée et l'amener au dispositif de production d'ozone (109).
  11. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un capteur d'ozone, en ce que le capteur d'ozone est conçu pour détecter une valeur de concentration d'ozone dans le tambour à linge (105), et
    en ce que le dispositif de commande (108) est conçu pour déterminer la quantité d'ozone en fonction de la valeur de concentration d'ozone détectée et en fonction du chargement de linge ou du type de linge détecté.
  12. Appareil d'entretien du linge (100) selon la revendication 11, caractérisé en ce que le dispositif de commande (108) est conçu pour arrêter la production d'ozone par le dispositif de production d'ozone (109) lorsque la valeur de concentration d'ozone détectée atteint une valeur seuil de concentration d'ozone prédéterminée.
  13. Appareil d'entretien du linge (100) selon la revendication 11, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un dispositif de génération de signal, et en ce que le dispositif de génération de signal est conçu pour produire un signal lorsque la valeur de concentration d'ozone détectée atteint une valeur seuil de concentration d'ozone prédéterminée.
EP15780790.0A 2014-10-08 2015-09-29 Appareil d'entretien du linge comportant un dispositif de production d'ozone Active EP3204548B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014220355.4A DE102014220355B3 (de) 2014-10-08 2014-10-08 Wäschepflegegerät mit einer Ozonerzeugungseinrichtung
PCT/EP2015/072450 WO2016055310A1 (fr) 2014-10-08 2015-09-29 Appareil d'entretien du linge comportant un dispositif de production d'ozone

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EP3204548A1 EP3204548A1 (fr) 2017-08-16
EP3204548B1 true EP3204548B1 (fr) 2021-11-10

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DE (1) DE102014220355B3 (fr)
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TR201701564A2 (fr) * 2017-02-02 2018-08-27 Arcelik As
DE102019209882A1 (de) * 2019-07-04 2021-01-07 BSH Hausgeräte GmbH Ozonwandlervorrichtung für ein Haushaltsgerät, Haushaltsgerät sowie Verfahren

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DE3232057A1 (de) * 1982-08-28 1984-03-01 Rudolf 3501 Schauenburg Gesslauer Reinigungsmaschine fuer waesche, geschirr od. dgl.
US5960649A (en) * 1998-09-15 1999-10-05 Envirocleanse Systems, Inc. Ozonated laundry system including adapter and sparging rod
JP2005021633A (ja) * 2003-07-04 2005-01-27 Toshiba Corp 洗濯機
AU2006202541A1 (en) * 2006-06-15 2008-01-10 Ozone Technologies Pty Limited System and Device for Introducing Ozone into a Washing Apparatus
DE102010029885A1 (de) * 2010-06-09 2011-12-15 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Behandlung von Wäsche in einer Waschmaschine bei niedriger Temperatur und hierzu geeignete Waschmaschine
DE102011007170A1 (de) * 2011-04-12 2012-10-18 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Erkennen und Anzeigen eines Hygienegrades von Wäsche und/oder des Wäschebehandlungsgeräts in einem Wäschebehandlungsgerät sowie hierfür geeignetes Wäschebehandlungsgerät
DE102011076211B4 (de) * 2011-05-20 2019-03-14 BSH Hausgeräte GmbH Wasserführendes Haushaltsgerät mit verschließbarem Schlauchstück
DE102011089386A1 (de) * 2011-12-21 2013-06-27 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Betrieb eines Hausgeräts mit einem Speicherbehälter und einem Oxidationsmittelgenerator sowie hierfür geeignetes Hausgerät
EP2809839B1 (fr) * 2012-01-23 2023-09-13 Awois Llc Système permettant de commander l'alimentation d'ozone dans une machine à laver afin de maximiser la valeur ct cumulée
DE102012209211A1 (de) * 2012-05-31 2013-12-05 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einem Behandlungsgasgenerator und einer Einspülanordnung
CN103334266B (zh) * 2013-06-24 2016-04-27 无锡小天鹅股份有限公司 衣物材质的检测方法和洗衣机及其控制方法

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WO2016055310A1 (fr) 2016-04-14
CN106795681B (zh) 2020-02-18
RU2671185C1 (ru) 2018-10-29
EP3204548A1 (fr) 2017-08-16
DE102014220355B3 (de) 2016-01-21

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