EP3172370A1 - Appareil électroménager - Google Patents

Appareil électroménager

Info

Publication number
EP3172370A1
EP3172370A1 EP15739282.0A EP15739282A EP3172370A1 EP 3172370 A1 EP3172370 A1 EP 3172370A1 EP 15739282 A EP15739282 A EP 15739282A EP 3172370 A1 EP3172370 A1 EP 3172370A1
Authority
EP
European Patent Office
Prior art keywords
liquid
washing
household appliance
laundry
amount
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
EP15739282.0A
Other languages
German (de)
English (en)
Other versions
EP3172370B1 (fr
Inventor
Antonio BARRADO FRANCO
Andreas Bischof
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3172370A1 publication Critical patent/EP3172370A1/fr
Application granted granted Critical
Publication of EP3172370B1 publication Critical patent/EP3172370B1/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
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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
    • 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
    • D06F2103/18—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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/08—Draining of 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
    • D06F34/14—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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/006—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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • 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 
    • D06F39/20—Arrangements for water recovery

Definitions

  • the present invention relates to a washing machine with a treatment of stored rinse water.
  • a common wash cycle consists of a main wash and several rinse cycles.
  • the water consumption is an important operating size.
  • waste water of a final rinse cycle is treated, stored in a storage tank and reused in the next wash cycle.
  • the treated liquid from the liquid storage is used in the next washing cycle preferably in the main wash or in the first rinse.
  • the first few liters of added water serve to flush the detergent into the tub.
  • the detergent flushing usually takes place with fresh water, so that the liquid addition from the liquid storage takes place only after the detergent flushing.
  • a washing machine with a tub, a washing drum, a water supply system, a drain pump, a program control and at least one filtration device is known, wherein the at least one filtration device between the tub and a supply line to the tub is arranged and the washing machine is designed so that an aqueous liquid present in the tub can be at least temporarily filtered during a laundry treatment step by passing through the at least one filtration device and fed back to the tub.
  • the document DE 197 09 085 A describes a method for washing laundry, in particular a household washing machine, wherein the laundry is treated in a tub during a washing section with washing liquid and during subsequent rinsing sections with rinsing liquid. At the end of each washing / rinsing section of the tub is emptied, wherein washing liquid and / or rinsing liquid at least one rinsing are emptied into a collecting container and reused after preparation by a reverse osmosis, micro, ultra or nanofiltration under caching in a storage container. The treated washing or rinsing liquid is fed to a later rinsing section of the same program sequence.
  • a disadvantage of this prior art is that the treatment of the washing or rinsing liquid takes place immediately and the treated liquid must be stored until it is fed at a later time. In addition, it may happen that the amount of the treated washing or rinsing liquid is greater than the amount of liquid that is needed at the later time. In this respect, on the one hand there is the risk that increases in the processed stored liquid, the number of microorganisms and thus the treated liquid is contaminated again. On the other hand, due to the superfluous water treatment, there is an additional expense, which is reflected in an increased treatment time and increased energy consumption.
  • the object is achieved by a domestic appliance for treating laundry with a washing container for receiving the laundry, a determination device for determining the laundry amount of the laundry in the washing container, a liquid storage for storing spent washing liquid from the washing container and a processing device for processing the consumed washing liquid from the liquid storage for a further wash
  • the household appliance is set to a depending the amount of laundry to process certain amount of liquid spent spent washing liquid from the liquid storage by means of the treatment device.
  • the technical advantage is achieved that only that amount of liquid is processed from the liquid storage, which is required depending on the amount of laundry in the wash tank. This avoids extra effort and saves the associated superfluous energy.
  • the technical advantage is achieved that no treated liquid is stored, whereby the problem of renewed contamination, for example, by microorganisms, bypassed by the treatment takes place only immediately before feeding into the wash tank.
  • a household appliance is understood in particular to mean a device that is used for household purposes in households and, in particular, for cleaning or washing textiles such as laundry and clothing or also dishes and kitchenware.
  • a household appliance may be, for example, a washing machine, a washer-dryer or a dishwasher.
  • a treatment in the sense of the present invention refers to a cleaning and / or a filtering and / or a sterilizing and / or a desalting of the spent washing liquid.
  • a treatment of the used washing liquid comprises a cleaning and / or a filtering and / or a sterilizing and / or a desalting of the used washing liquid.
  • the treatment device is designed to filter and / or to clean and / or to sterilize and / or desalt a used washing liquid.
  • a treatment is meant in particular no heating or heating of fresh water. A treatment is therefore particularly free from the addition of fresh water.
  • the processing device comprises a filter device for filtering the spent washing liquid.
  • the filter device comprises, for example, an activated carbon filter. This has the technical advantage, for example, that a simple and efficient filtering can be achieved.
  • the treatment device is designed, a Reverse osmosis process.
  • the processing device comprises a UV light device.
  • UV stands for "ultraviolet”.
  • Such a UV light-emitting device is thus designed to emit ultraviolet electromagnetic radiation (electromagnetic radiation having a wavelength between 100 nm and 380 nm).
  • the spent washing liquid is illuminated by the UV radiation.
  • the technical advantage is achieved that an efficient sterilization can be achieved.
  • the treatment device comprises an ion exchanger for desalting the spent washing liquid.
  • the fact that the treatment takes place only immediately before being introduced into the washing container means, in particular, that between one end of the preparation and the feeding of the treated washing liquid into the washing container, no other process step is carried out in which a liquid is used which is different from the processed one Washing liquid is.
  • a process step is, for example, a washing or rinsing step.
  • Immediately means, for example, that between the end of the treatment and the feeding, for example, a period of no more than five minutes, in particular of a maximum of 3 minutes, in particular of a maximum of 1 minute, for example a maximum of 30 s.
  • the domestic appliance is set up to process the spent washing liquid by means of the treatment device only immediately before feeding the treated washing liquid into the washing container.
  • the treated washing liquid is supplied according to an embodiment directly (ie directly) from the processing device to the wash tank. It is thus preferably dispensed in one embodiment to a storage of the treated washing liquid.
  • the household appliance is thus free according to one embodiment of a memory for treated washing liquid. Immediately or directly means, for example, without a detour via such a memory. That is, according to one embodiment, the household appliance is set up to supply the washing liquid treated by means of the treatment device directly to the washing container.
  • the method is thus free from storage of the treated washing liquid.
  • the determination device comprises a sensor for determining a laundry volume.
  • the technical advantage is achieved, for example, that it can be determined exactly how large the volume of the laundry in the washing container, in order to determine the amount of liquid that must be prepared from the liquid storage.
  • the determination device is set up to carry out a determination of the amount of liquid to be processed of used washing liquid on the basis of the suction properties of the laundry.
  • the technical advantage is achieved, for example, that the determination of the required amount of liquid can be done very accurately, because not only the simple amount or the volume of the laundry, but the specific suction properties of the laundry are taken into account.
  • the household appliance comprises a pump for transporting spent washing liquid from the washing container into the liquid storage.
  • the household appliance is set up to discharge an excess of the washing liquid contained in the liquid storage against the specific amount of liquid via a first valve.
  • the household appliance comprises a circulation pump for transporting the determined amount of liquid to the treatment device and for transporting the treated washing liquid to the washing container.
  • the circulation pump performs both the conveyance of the liquid to the treatment device and the conveying into the wash tank. This additionally reduces the scope with regard to the use of components in the domestic appliance.
  • the domestic appliance comprises a temporary storage in which the washing liquid to be treated can be transferred from the liquid storage to treat the washing liquid to be treated with the treatment device and to supply it to the washing tank.
  • the household appliance comprises a storage pump, which is set up to convey the amount of liquid to be processed from the liquid storage into the intermediate storage.
  • a storage pump which is set up to convey the amount of liquid to be processed from the liquid storage into the intermediate storage.
  • the object is achieved by a method for operating a domestic appliance for treating laundry in a washing tank and a liquid storage for storing spent washing liquid from the washing tank, wherein the steps of determining the amount of laundry in the washing tank by means of a determining device, determining a liquid amount be carried out from the liquid storage in dependence of the amount of laundry, processing the specific amount of liquid by a treatment device and supplying the treated amount of liquid in the wash tank.
  • the technical advantage is achieved that only that amount of liquid is processed from the liquid storage, which is required depending on the amount of laundry in the wash tank. This avoids extra effort and saves the associated superfluous energy.
  • the technical advantage is achieved that no treated liquid is stored, whereby the problem of renewed contamination, for example, by microorganisms, bypassed by the treatment takes place only immediately before feeding into the wash tank.
  • the determination of the amount of laundry contained in the washing container by the determination device is carried out with a sensor.
  • the required amount of liquid is made by the determination device by determining the suction conditions of the laundry contained in the washing container.
  • the household appliance conveys used washing liquid from the washing container with a pump into the liquid storage.
  • the technical advantage is achieved that at least a part of a contaminated washing liquid is not rejected or drained via a drain, but can be made available for reprocessing.
  • this offers a last rinse cycle of a washing program, since the processing effort can be reduced accordingly.
  • the household appliance derives an excess of the amount of liquid contained in the liquid storage with respect to the amount of liquid to be treated via a valve.
  • the technical advantage is achieved that the provision of the amount of liquid necessary in the washing tank is very simple and without additional costly components in the household appliance. The excess is simply transported through the wash tank into the drain and only the amount of liquid actually required is processed.
  • the household appliance conveys the amount of liquid to be treated with a storage pump from the liquid storage into a buffer, treats the amount of liquid to be treated with the treatment device and supplies it to the washing tank.
  • the technical advantage is achieved that only the amount of liquid to be processed is conveyed into the temporary storage. This ensures that the required amount of liquid is isolated from the contaminated amount of liquid and is available for treatment.
  • Fig. 1 is a schematic representation of a household appliance with a
  • Fig. 2 is a schematic representation of a household appliance with a
  • Liquid storage Liquid storage, a treatment device and a buffer.
  • a washing container 103 serves to receive laundry, wherein in the washing container 103, a heater 1 17 is to heat wash liquor in the wash tank 103.
  • a determining device 104 is arranged in the washing container 103. It may have a sensor to determine a laundry volume in the wash tank 103. Alternatively or additionally, the determination device 104 can determine the absorption behavior of the received laundry in order to carry out a precise determination of the required liquid in a washing cycle. In addition, the determination of the required fluid requirement in the wash tank 103 may depend on other parameters, such as a selected wash program.
  • the washing tank 103 comprises, in addition to a fresh water inlet 125, via which fresh water can be conveyed from a fresh water feed system 121 into the washing tank 103, an inlet for treated liquid 127 from the liquid storage 107.
  • the liquid storage 107 is provided with a circulation pump 11 and a treatment device 109 in a circuit 105, wherein the liquid storage 107 contaminated washing liquid from the washing tank 103 via a liquid storage inlet 123 can be supplied.
  • a pump 1 15 conveys contaminated washing liquid from the washing tank 103 via an open second valve 1 19 in a drain 129. By closing the second valve 1 19 contaminated washing liquid from the washing tank 103 with the pump 1 15 via the liquid storage inlet 123 into the liquid storage 107th to get promoted. This is usually done with washing liquid of the last wash cycle to the subsequent treatment effort to keep the contaminated washing liquid as low as possible.
  • an excess of the amount of liquid contained in the liquid storage 107 compared to a certain amount of liquid to be processed in the wash tank 103 via the opened first valve 1 13, the wash tank 103 and the opened second valve 1 19 is conveyed into the drain 129 , This makes it possible that only the amount of liquid actually required in the liquid storage 107 remains and can be processed.
  • the circulation pump 1 1 1 With the circulation pump 1 1, the remaining contaminated liquid from the liquid storage 107 is conveyed to the treatment device 109 as soon as the circuit 105 is in a closed state. In this state, the first valve 1 13 is in a closed state. By opening the first valve 1 13, the circulation pump 1 1 1, the recycled liquid via the feed for the treated liquid 127 into the wash tank 103, where it can be used in the main wash or rinse cycle.
  • treated liquid from the liquid storage 107 both in the main wash cycle and in the first rinse cycle.
  • FIG. 2 shows a schematic representation of a household appliance 100 with a liquid storage 107, a processing device 109 and a buffer 201. A repeated description of identical features of the preceding figure will be omitted.
  • the buffer 201 is located with the circulation pump 1 1 1 and the treatment device 109 in a closable circuit 105.
  • Fig. 2 shows the liquid storage 107, wherein also the liquid storage 107 contaminated washing liquid by means of the pump 1 15 from the washing tank 103 via a liquid storage inlet 123 can be supplied.
  • a storage pump 203 conveys the amount of liquid to be processed in the washing tank 103 from the liquid storage 107 into the buffer 201, and the excess or remaining contaminated liquid remains in the liquid storage 107 and is available for another washing cycle of the household appliance 100.
  • the liquid contained in the buffer 201 is processed in the closed state of the circuit 105 of the processing device 109 and conveyed by opening the first valve 1 13 via the feed for the treated liquid 127 into the wash tank 103.

Landscapes

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

Abstract

L'invention concerne un appareil électroménager et un procédé correspondant pour le traitement de linge. L'appareil électroménager comporte un contenant de lavage (103) destiné à contenir le linge, un dispositif de détermination (104) destiné à déterminer la quantité de linge dans le contenant de lavage (103), un réservoir de liquide (107) destiné à stocker le liquide de lavage usé issu du contenant de lavage (103), et un dispositif de retraitement (109) destiné à retraiter le liquide de lavage usé issu du réservoir de liquide (107) pour un cycle de lavage ultérieur. L'appareil électroménager est conçu pour retraiter, au moyen du dispositif de retraitement (109), une quantité de liquide de lavage usé issu du réservoir de liquide (107), déterminée en fonction de la quantité de linge.
EP15739282.0A 2014-07-23 2015-07-20 Appareil électroménager Active EP3172370B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014214353.5A DE102014214353A1 (de) 2014-07-23 2014-07-23 Haushaltsgerät
PCT/EP2015/066564 WO2016012408A1 (fr) 2014-07-23 2015-07-20 Appareil électroménager

Publications (2)

Publication Number Publication Date
EP3172370A1 true EP3172370A1 (fr) 2017-05-31
EP3172370B1 EP3172370B1 (fr) 2020-01-01

Family

ID=53682714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15739282.0A Active EP3172370B1 (fr) 2014-07-23 2015-07-20 Appareil électroménager

Country Status (4)

Country Link
EP (1) EP3172370B1 (fr)
CN (1) CN106661807B (fr)
DE (1) DE102014214353A1 (fr)
WO (1) WO2016012408A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107723994A (zh) * 2017-12-06 2018-02-23 佛山早稻田科技服务有限公司 一种环保洗衣机
DE102018122474A1 (de) * 2018-09-14 2020-03-19 Miele & Cie. Kg Verfahren und Vorrichtung zum Betreiben einer Waschmaschine und Waschmaschine
DE102018122478B4 (de) * 2018-09-14 2023-02-09 Miele & Cie. Kg Waschmaschine, Verfahren und Steuergerät zum Betreiben einer Waschmaschine
CA3128363A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Kit de machine a laver le linge permettant la commande des niveaux d'eau, la recirculation et la pulverisation de produits chimiques
WO2020160425A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Régulation des niveaux d'eau et de la concentration de détergent dans un cycle de lavage
WO2020160429A1 (fr) 2019-01-31 2020-08-06 Ecolab Usa Inc. Dispositif de commande dun système de réutilisation d'eau de rinçage et procédés d'utilisation
DE102020213968B3 (de) * 2020-11-06 2022-02-17 E.G.O. Elektro-Gerätebau GmbH Waschmaschine und Verfahren zum Betrieb einer solchen Waschmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19709085C2 (de) 1996-05-15 2002-05-08 Miele & Cie Verfahren zum Waschen von Wäsche unter Verwendung eines Filtrationsverfahrens
JP2006034716A (ja) * 2004-07-28 2006-02-09 Sanyo Electric Co Ltd 洗濯機
DE102005055648A1 (de) * 2005-11-22 2007-11-15 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine
KR101211590B1 (ko) * 2008-10-29 2012-12-12 주식회사 대우일렉트로닉스 액체세제 공급장치를 가지는 세탁기의 제어방법
IT1394427B1 (it) * 2009-06-17 2012-06-15 Grandimpianti Ile Ali S P A Procedimento per la pesatura di biancheria da lavare all'interno di una lavatrice, particolarmente per lavatrici industriali
DE102011086137B4 (de) * 2011-11-11 2019-08-22 BSH Hausgeräte GmbH Waschmaschine mit Filtrationsvorrichtung und Verfahren zu ihrem Betrieb

Also Published As

Publication number Publication date
CN106661807A (zh) 2017-05-10
DE102014214353A1 (de) 2016-01-28
EP3172370B1 (fr) 2020-01-01
CN106661807B (zh) 2019-01-01
WO2016012408A1 (fr) 2016-01-28

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