EP1978144A2 - Waschvorrichtung - Google Patents

Waschvorrichtung Download PDF

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Publication number
EP1978144A2
EP1978144A2 EP20080004754 EP08004754A EP1978144A2 EP 1978144 A2 EP1978144 A2 EP 1978144A2 EP 20080004754 EP20080004754 EP 20080004754 EP 08004754 A EP08004754 A EP 08004754A EP 1978144 A2 EP1978144 A2 EP 1978144A2
Authority
EP
European Patent Office
Prior art keywords
washing
sensor
appliance according
compartment
agent
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.)
Withdrawn
Application number
EP20080004754
Other languages
English (en)
French (fr)
Other versions
EP1978144A3 (de
Inventor
Giovanni Bombardieri
Costantino Mariotti
Roberto Vota
Valerio Aisa
Brunetta Vinerba
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.)
Whirlpool EMEA SpA
Original Assignee
Indesit Co SpA
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 Indesit Co SpA filed Critical Indesit Co SpA
Publication of EP1978144A2 publication Critical patent/EP1978144A2/de
Publication of EP1978144A3 publication Critical patent/EP1978144A3/de
Withdrawn legal-status Critical Current

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0055—Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration
    • 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
    • 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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/449—Metering controlling devices
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/02—Consumable products information, e.g. information on detergent, rinsing aid or salt; Dispensing device information, e.g. information on the type, e.g. detachable, or status of the device
    • A47L2401/026—Nature or type of the consumable product, e.g. information on detergent, e.g. 3-in-1 tablets, rinsing aid or salt
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/26—Indication or alarm to the controlling device 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters

Definitions

  • This invention relates to a washing appliance, in particular a washing appliance equipped with a detergent detection system.
  • Washing appliances comprise electrical appliances such as, for example:
  • washing appliances called “laundry washers” are suitable for carrying out at least a washing treatment on textile articles made of any fibre or in any colour and include machines known as “washing machines” and machines known as “washer dryers”, if in addition to washing they also carry out at least a treatment for drying textile articles.
  • washing cycle means the steps making up the washing treatment in their entirety, that is to say, pre-wash, if any, washing proper (main wash) and rinsing, if any.
  • washing agent in this text means both detergents and washing aids such as bleach, descaling agent, fabric softener and rinse aid.
  • washing agent feed line leads into the washing tank and includes a drawer which can be pulled out at least partly and which usually comprises four compartments into which the user can put washing agents (detergents and washing aids such as, for example, fabric softener, bleach, etc.) to be used during the washing cycle: a first compartment for pre-wash detergent, a second compartment for main wash detergent, a third compartment for bleach and a fourth compartment for fabric softener.
  • washing agents detergents and washing aids such as, for example, fabric softener, bleach, etc.
  • Washing appliances of the kind described above are not free of disadvantages, however.
  • the washing cycle performed by the machine is totally independent of the washing agents placed in the washer drawer.
  • prior art laundry washers it is not possible for the user to tell the machine what type of washing agents have been placed in the drawer.
  • This invention has for an aim to overcome the above mentioned disadvantages by providing a washing appliance which enables the effect of the washing agents to be optimized.
  • Another aim of the invention is to provide a washing appliance that can prevent errors caused by the user placing a washing agent in the wrong compartment.
  • the numeral 1 denotes a washing appliance according to this invention.
  • the washing appliance 1 is designed preferably for household use and comprises a washing tank 2 suitable for containing the washing liquid used for a washing treatment.
  • Said washing liquid is advantageously comprised of a mixture of water and a washing agent.
  • the washing appliance 1 comprises means for containing the articles to be washed, said containing means defining at least a space for accommodating the articles to be washed.
  • the containing means comprise a rotary drum in which the laundry to be washed is placed.
  • the containing means comprise one or more racks which can usually be pulled out by means of suitable carriages.
  • the washing appliance 1 also comprises a feed line 3 for feeding at least one washing agent.
  • the feed line 3 leads into the washing tank 2 and includes at least one compartment 30 accessible by the user who puts the washing agent into it.
  • washing agent means detergents and/or washing aids.
  • the washing appliance 1 may be one of several different kinds of machine but in the preferred embodiment it is a laundry washer or a dishwasher.
  • the washing appliance 1 also comprises at least one sensor 4 for detecting predetermined chemical and/or physical properties of the at least one washing agent.
  • the sensor 4 is located upstream of the washing tank 2 relative to the direction in which the washing agent flows along the feed line 3. The flow of the washing agent along the feed line 3 starts at the at least one compartment 30 and ends at the washing tank 2.
  • the senor 4 is located at the at least one compartment 30 which is designed to receive the washing agent. Further, the sensor 4 is operatively associated with the washing agent compartment 30, meaning by this that the sensor 4 is capable of analyzing the contents of the compartment 30.
  • the sensor 4 although it can detect the properties of solid washing agents, provides the best results with liquid washing agents.
  • the sensor 4 might not be located exactly at the compartment 30, but downstream of it, for example in an intermediate chamber between the compartment 30 and the washing tank 2.
  • the chamber should be provided with blocking means so that the washing agent drawn from the compartment 30 can be allowed to enter or prevented from entering the washing tank 2.
  • the sensor 4 is operatively connected to a data processing unit which processes the information provided by the sensor 4.
  • the data processing unit forms part of an electronic system that controls the washing appliance 1.
  • the data processing unit may control the washing cycle parameters according to the information provided by the sensor 4.
  • control the washing cycle parameters means also the possibility of determining which step in the washing cycle is the best for drawing the washing agent from the compartment 30 and feeding it into the washing tank 2.
  • the washing appliance 1 is also able to determine the best moment for drawing the washing agent from the compartment 30: for example, at the beginning of the step, at the end of the step, or at another time.
  • the data processing unit activates the release of washing agent from the at least one compartment 30 to the washing tank 2, said release occurring at a predetermined step of the washing cycle, the choice of the step being determined on the basis of the information received from the sensor 4.
  • the information relates to the chemical and/or physical properties of the washing agent located in the specific compartment 30 whose contents are released into the washing tank. For example, for an optimum effect, one washing agent may need to be fed in during pre-wash, while another washing agent should be fed in during rinse, and so on.
  • the Applicant has found that the optimum effect of traditional bleach is obtained by releasing the bleach into the washing tank 2 during the main wash, while non-chlorine bleach is best fed into the washing tank 2 during rinse or during a specific pre-wash.
  • the fact that the data processing unit controls the washing cycle parameters may mean for example that detection of non-chlorine bleach in the compartment 30 automatically causes the bleach to be released during rinse and not during the main wash.
  • detection of non-chlorine bleach might cause the bleach to be released during the pre-wash, automatically starting a specific pre-wash especially designed to optimize the properties of the non-chlorine bleach.
  • the choice between the two possibilities is left to the manufacturer and depends on how the washing appliance is programmed.
  • the data processing unit comprises means for comparing the chemical and/or physical properties measured by the sensor 4 with the information stored in an archive and associated in advance with the presence of a respective washing agent.
  • the washing appliance 1 can detect the presence of a certain washing agent that has been entered in the archive.
  • the data processing unit has a user interface that provides information relating to the washing agents detected.
  • the user interface of the data processing unit communicates to the user interface the presence in the at least one compartment 30 of a washing agent whose chemical and/or physical properties detected by the sensor 4 do not match those expected for that specific compartment 30.
  • a washing agent whose chemical and/or physical properties detected by the sensor 4 do not match those expected for that specific compartment 30.
  • the washing appliance 1 may, on the basis of the information provided by the sensor 4, detect the contents of each compartment 30.
  • the sensor 4 tells the washing appliance in which compartment the detergent has been placed, in which compartment the fabric softener has been placed, in which compartment the bleach has been placed (and whether it is traditional or non-chlorine bleach), and so on.
  • the washing appliance releases the contents of the compartment 30 into the washing tank 2 only if the compartment contains a washing agent whose chemical and/or physical properties detected by the sensor 4 match those of the washing agent required by the washing cycle.
  • the senor 4 comprises an optical sensor.
  • the optical sensor takes measurements based on the colour or turbidity of the washing agent located in the respective compartment 30.
  • the sensor 4 comprises an electrical conductivity sensor.
  • This type of sensor measures the electrical conductivity of the washing agent located in the respective compartment 30.
  • One possible disadvantage of an electrical conductivity sensor used for this purpose is that it requires two electrodes that must be in physical contact with the washing agent.
  • the sensor 4 comprises an atmospheric gas/vapour concentration sensor.
  • the gas/vapour concentration sensor makes it possible, for example, to distinguish whether the compartment contains traditional or non-chlorine bleach.
  • the data processing unit activates a procedure whereby the washing agent located in the compartment 30 is released to the washing tank 2 at a predetermined step of the washing cycle.
  • the washing agent is released:
  • the concentration sensor distinguishes between traditional bleach and non-chlorine bleach because of the different chemical composition of the two types of bleach. On account of the different chemical composition, the vapours of the two types of bleach are quite different. The possibility of distinguishing between the two types of bleach resides in the capacity of the gas/vapour concentration sensor to detect a characteristic component of each product (or, more generally, a different concentration of the same component).
  • traditional bleach is a solution of sodium hypochlorite and water
  • non-chlorine bleach is a solution comprising distilled water, hydrogen peroxide and non-ionic surfactants.
  • the sensor increases the electrical conductivity of a specific receptor connected to a transducer which converts the electrical variation into a signal indicating the concentration of that gas/vapour.
  • the concentration sensor is sensitive to temperature and relative humidity. In order to minimize the influence of these variables, there is a heating element which keeps the sensor at the optimum temperature. Alternatively, there may be a sensor for measuring the temperature and relative humidity and capable of compensating the value measured by the concentration sensor.
  • a single compartment 30 might also be associated with two or more sensors 4 of different kinds.
  • the washing appliance 1 may comprise a plurality of compartments 30.
  • the washing appliance comprises four compartments: one for the pre-wash detergent, one for the main wash detergent, one for the fabric softener and one for the bleach.
  • the compartments 30 are separate from each other so that their contents cannot mix.
  • the four compartments are formed in a single drawer.
  • the drawer may be pulled out by the user to gain access to the compartments for the different washing agents and then re-closed.
  • the different compartments 30 might, however, be accessible independently of each other: for example, they might be located in different drawers. Further, each compartment 30 might form part of a feed line 3 that is independent of the feed line of the other compartments 30.
  • all the compartments 30 are connected to a single conduit 5 of the feed line 3.
  • this single conduit 5 is often referred to as loading hopper.
  • the at least one sensor 4 is located in the drawer housing, preferably at the top of the housing at the at least one compartment 30.
  • the senor 4 is operatively associated with at least two compartments 30 and, preferably, the sensor 4 is operatively associated with all the compartments 30.
  • all the compartments 30 are preferably formed in the same drawer and the sensor 4 must be able to distinguish the information from each compartment 30.
  • the washing appliance 1 comprises a plurality of sensors 4, each operatively associated with and located at a respective compartment 30.
  • the user Normally, during use, the user places in the respective compartments the different washing agents to be used in the washing cycle.
  • the sensors analyse the washing agents and the washing appliance adapts the washing cycle on the basis of this information provided by the sensors.
  • the substance located in the bleach compartment is a non-chlorine bleach
  • it is best released into the washing tank during the rinse step or, alternatively, the washing cycle can be adapted to include a specific pre-wash for this type of bleach.
  • Traditional bleach is best released into the washing tank during the main wash.
  • the invention brings important advantages.
  • Another important advantage is that it can prevent mistakes made by the user when filling the compartments.
  • the embodiments of the invention may be made from any material, and in any size, depending on requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Centrifugal Separators (AREA)
EP08004754.1A 2007-04-05 2008-03-14 Waschvorrichtung Withdrawn EP1978144A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000022A ITRN20070022A1 (it) 2007-04-05 2007-04-05 Macchina di lavaggio

Publications (2)

Publication Number Publication Date
EP1978144A2 true EP1978144A2 (de) 2008-10-08
EP1978144A3 EP1978144A3 (de) 2014-10-29

Family

ID=39538013

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08004754.1A Withdrawn EP1978144A3 (de) 2007-04-05 2008-03-14 Waschvorrichtung

Country Status (3)

Country Link
EP (1) EP1978144A3 (de)
IT (1) ITRN20070022A1 (de)
RU (1) RU2008112899A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241548A (zh) * 2018-03-08 2019-09-17 青岛海尔洗衣机有限公司 衣物处理剂投放控制方法和衣物处理设备
CN113337998A (zh) * 2020-02-18 2021-09-03 青岛海尔滚筒洗衣机有限公司 一种洗衣机的控制方法
WO2022146306A1 (en) * 2020-12-30 2022-07-07 Arcelik Anonim Sirketi A washing machine
EP3485076B1 (de) 2016-07-15 2022-11-02 Henkel AG & Co. KGaA Reinigungsmittelidentifikation
US12011134B2 (en) 2020-01-14 2024-06-18 Midea Group Co., Ltd. Washing apparatus including cloud connected spectrometer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205790A1 (de) * 1982-02-18 1983-10-20 Ulrich Dipl.-Ing. Eickelberg Steuer- und regelelektronik eines dosiergeraetes fuer reinigungsmittel
EP1362547A2 (de) * 2002-05-16 2003-11-19 Electrolux Home Products Corporation N.V. Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP1554970A1 (de) * 2004-01-15 2005-07-20 Electrolux Home Products Corporation N.V. Vorrichtung und Verfahren zur Zuführung von Hilfsstoffen in ein flüssigkeitsführendes Haushaltsgerät
EP1897482A1 (de) * 2006-09-08 2008-03-12 Whirlpool Corporation Geschirrspüllmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3205790A1 (de) * 1982-02-18 1983-10-20 Ulrich Dipl.-Ing. Eickelberg Steuer- und regelelektronik eines dosiergeraetes fuer reinigungsmittel
EP1362547A2 (de) * 2002-05-16 2003-11-19 Electrolux Home Products Corporation N.V. Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine bei Verwendung von einem Kombinationspräparat mit mehreren Wirkstoffen
EP1554970A1 (de) * 2004-01-15 2005-07-20 Electrolux Home Products Corporation N.V. Vorrichtung und Verfahren zur Zuführung von Hilfsstoffen in ein flüssigkeitsführendes Haushaltsgerät
EP1897482A1 (de) * 2006-09-08 2008-03-12 Whirlpool Corporation Geschirrspüllmaschine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3485076B1 (de) 2016-07-15 2022-11-02 Henkel AG & Co. KGaA Reinigungsmittelidentifikation
CN110241548A (zh) * 2018-03-08 2019-09-17 青岛海尔洗衣机有限公司 衣物处理剂投放控制方法和衣物处理设备
US12011134B2 (en) 2020-01-14 2024-06-18 Midea Group Co., Ltd. Washing apparatus including cloud connected spectrometer
CN113337998A (zh) * 2020-02-18 2021-09-03 青岛海尔滚筒洗衣机有限公司 一种洗衣机的控制方法
CN113337998B (zh) * 2020-02-18 2022-12-09 青岛海尔洗涤电器有限公司 一种洗衣机的控制方法
WO2022146306A1 (en) * 2020-12-30 2022-07-07 Arcelik Anonim Sirketi A washing machine

Also Published As

Publication number Publication date
RU2008112899A (ru) 2009-10-10
EP1978144A3 (de) 2014-10-29
ITRN20070022A1 (it) 2008-10-06

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