EP2302122A1 - Waschmaschine und Verfahren zum Betreiben der Waschmaschine - Google Patents

Waschmaschine und Verfahren zum Betreiben der Waschmaschine Download PDF

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Publication number
EP2302122A1
EP2302122A1 EP09382183A EP09382183A EP2302122A1 EP 2302122 A1 EP2302122 A1 EP 2302122A1 EP 09382183 A EP09382183 A EP 09382183A EP 09382183 A EP09382183 A EP 09382183A EP 2302122 A1 EP2302122 A1 EP 2302122A1
Authority
EP
European Patent Office
Prior art keywords
washing machine
laundry
washing
product
sensor
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Withdrawn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
EP09382183A
Other languages
English (en)
French (fr)
Inventor
Alberto Arozarena Redin
Angel Asensio Gimeno
Ruben Cristobal Blasco Marin
Roberto Jose Casas Nebra
Alvaro Marco Marco
Ramin Hassan
Klaus Nitsche
Marco Krahmer
Anton Smirnov
Jose Ignacio Artigas Maestre
Victorián Luis Coarasa Ortiz de Urbina
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 Electrodomesticos Espana SA
Original Assignee
BSH Electrodomesticos Espana SA
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 Electrodomesticos Espana SA filed Critical BSH Electrodomesticos Espana SA
Priority to EP09382183A priority Critical patent/EP2302122A1/de
Publication of EP2302122A1 publication Critical patent/EP2302122A1/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • D06F2103/16—Washing liquid temperature
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2103/40—Opening or locking status of doors
    • 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
    • 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
    • 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
    • D06F34/04—Signal transfer or data transmission arrangements
    • D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control

Definitions

  • the invention concerns a washing machine according to the preamble of claim 1 as well as a method for operating a washing machine according to claim 17.
  • a generic washing machine includes a washing machine control which comprises at least one sensor for detecting at least one operational parameter, e.g. the status of the appliance door, the washing temperature or the rotational speed of the washing drum, and at least one sensor for detecting at least one product parameter of laundry introduced into said washing machine.
  • Said product parameter may relate to the amount and/or kind of laundry introduced onto the washing machine.
  • a clothes washing machine which has a radio frequency identification tag-reading device arranged behind a control panel and a display displaying recommendations for addition of particular type of detergent active ingredient and amount of ingredient.
  • a washing and/or drying system disclosed in the EP1959044-A1 has an identification device connected with a label associated to laundry items where the label is empedded into string bags in which laundry items are selectively loaded according to different qualities.
  • a washing machine and method thereof is known which is able of automatically identifying kind of laundry loaded into drum and performing optimal washing in spite of different kinds of laundry.
  • a washing system for laundry which has a home server connected to a control unit of a laundry device to supply control signals, to receive information obtained from RFID tag by a reader, and to perform remote control of the laundry device.
  • An Information transceiver for washing machine is known from the WO2006009375-A2 , KR2006008541-A , KR2006008542-A , KR2006008543-A , KR2006011488-A , KR2006019786-A , EP1769115-A2 , CN1961111-A and US2007261713-A1 .
  • the transceiver has a RF reader mounted to the washing machine for transmitting/receiving information to/from pieces of laundry introduced to washing machine at a time by mutual induction system.
  • washing machines are not adapted to enable elder people to maintain an essentially independent housekeeping without needing any external carer.
  • the object of the invention is to provide a washing machine as well as a method for operating a washing machine which can easily be handled especially by elder people with or without disabilities.
  • said washing machine control comprises an analyzing unit to which said operational and product parameters are transmitted and analyzed in order to support the user when selecting the laundry to be introduced into said washing machine.
  • the washing machine control is especially adapted to enable elder people to maintain an essentially independent operation of the washing machine without needing any external carer.
  • the washing machine control may generate a warning signal if the analyzing unit detects that cloth or fabric is introduced which is not suitable to be machine washed (for example a leather glove or a silk tie).
  • a warning signal may be generated if cloth or fabric is introduced which are incompatible with a program selected by the user (for example, when dirty cotton program selected and a wool pullover is introduced) and/or if a bad mix of clothes is introduced into said washing machine (for example a red sock inside the white sheets).
  • said analyzing unit may determine a washing machine setting which fits best to the laundry introduced into said washing machine.
  • the determined washing machine setting can be displayed as a recommendation for the user on a control panel.
  • the washing machine control can change the selected washing program automatically considering the setting determined by the analyzing unit.
  • said washing machine control can process the detected product and operational parameters in real time. Therefore, the analyzing unit has real time information of the laundry being introduced into and removed from the washing machine. Due to this, the analyzing unit can check the compatibility of the laundry introduced with the selected program in real time.
  • the washing machine control can be set such that if the door sensor detects that the door is opened the product sensor starts to work. Therefore, the product sensor can detect all the clothes and fabrics being introduced and removed from the washing machine every time that the door is opened.
  • the washing machine control may comprise a micro controller which is linked to said operational sensor in order to detect said at least one operational parameter, e.g. the washing temperature, the rotational speed of the washing drum and/or the status of the washing machine door.
  • the micro controller may be linked to the above mentioned door sensor and/or a washing temperature sensor and/or a spin sensor for detecting the rotational speed.
  • said washing machine control may comprise a main controller which is linked with said micro controller and/or directly with a product sensor which detects said at least one product parameter.
  • the main controller may receive signals directly from said product sensor as well as signals with respect to said operational parameters.
  • the analyzing unit may be integrated in said main controller in order to analyze both said operational parameters and said product parameters.
  • said control By means of the inventive washing machine control a proper handling of said washing machine is further simplified. As stated above, from the highest logical level, said control has real time information of the fabrics being introduced in and removed from the washing machine. Further, it can keep a log of them and knows the status of the washing machine.
  • the main controller may be in a wireless communication with a monitoring unit.
  • said main controller may provide remote information to said monitoring unit, such as the laundry introduced in said washing machine or technical information to the technical service, etc.
  • the monitoring unit or the main controller may store statistical information about the kind and amount of laundry as well as the use of the washing machine (number of times when the door is opened, washing temperature, number of times of use, programs selected, etc.). This information is useful to supervise for example the correct use of the washing machine by the user and also detect changes in user behavior and habits.
  • the remote monitoring unit may warn when something unusual happens; for example if the user has not opened the washing machine in one day (when supposed to be at home) she/he might have a problem.
  • said remote monitoring unit may generate a user profile on the base of said operational and product parameters.
  • said parameters may be stored over the time in tabular form.
  • any deviation of user activities with respect to the household appliance from the user profile can be detected.
  • user behavior and habits can be monitored by e.g. an external carer who can detect any deviation from the user profile which could make it necessary for the external carer to support the user in his/her household.
  • the washing machine can be programmed to behave in different ways depending on the user capacities. For example, for some users the washing machine might just require from the user to introduce the clothes, put detergent and close the door, the washing machine will do the rest.
  • the product sensor for detecting the product parameter may be realized as a RFID-sensor unit, which RFID-sensor unit consists of at least one RFID UHF antenna, which is connected to a RFID UHF reader which is linked with said main controller.
  • the RFID sensor unit By means of the RFID sensor unit the washing machine can know its content in real time.
  • the RFID sensor unit is preferably placed in the door. All the clothes introduced have to be tagged with an RFID tag indicating the description and washing settings.
  • the reader should be set to an output of radiated power between 0.5W. It will be directly connected to the antenna with a special HF cable.
  • the impedance will be between 45-55 Ohms, preferably 50 Ohms.
  • the cables and connectors may be waterproof.
  • the antenna should be positioned underneath the bull's eye of the washing machine facing upward. The radiated field would therefore be angling up and away from the washing machine, covering the area above the bull's eye.
  • the antenna should be a patch antenna, preferably dielectric, with RHCP polarization. It should have a regular bandwidth (around the center frequency of the respective country, 867 MHz in most of Europe) and low gain, between 2 and 4 dbi.
  • the impedance will be between 45-55 Ohms, preferably 50 Ohms. Further, the antenna needs to be specifically tuned to each different model it is used for.
  • the RFID UHF reader should be set to an output of radiated power between 0.1 and 1 W.
  • the multiplexer may be directly attached to each of said antennae with special HF cables. It may trigger each antenna at a defined interval which can be tuned according to the washing machine used.
  • the impedance will be between 45 to 55 Ohms, preferably 50 Ohms.
  • An electronic product code (EPC) based on a SGTIN96 coding scheme should be used for coding of the RFID tags.
  • a SGTIN96 coding scheme features the following structure:
  • the header identifies the encoded data as an SGTIN-96 number.
  • the special field contains data such as a filter value for pre-selection and a partition value that indicates the point where the division between the company prefix and the item reference is.
  • the company prefix specifies the manufacturing company while the item reference identifies the object. Accordingly, the item reference can be used to encode information concerning the object to be washed.
  • the information concerning the object may comprise: type of item (e.g. clothes), information if the item may be washed in a machine or by hand washing only, color of the item, and/or clothes type (e.g. trouser, sock, T-shirt, etc.). Additional information may be encoded in the serial number. Additional information may comprise: washing temperature (e.g.
  • cold water 30 °C, 60 °C, 90°C, etc.
  • type of program e.g normal, delicated, very delicated, etc.
  • information if bleach may be used information about drying process (e.g. do not use a dryer, dry at moderate temperature, dry at high temperature, do not wring, etc.), information about a dry cleaning process (e.g. do not use dry cleaning, clean with mineral products only, clean with products free of trichloride ethylene only, Among, a provider.
  • drying process e.g. do not use a dryer, dry at moderate temperature, dry at high temperature, do not wring, etc.
  • information about a dry cleaning process e.g. do not use dry cleaning, clean with mineral products only, clean with products free of trichloride ethylene only, ...)
  • information about an ironing process e.g. do not iron, do not use steam, maximum ironing temperature 110°C, etc.
  • clothes ID with regard to a provider.
  • figure 1 shows a block diagram of the washing machine.
  • a washing machine including a wash container 1 which encloses a washing drum 3.
  • the wash container 1 is disposed in a housing not shown as well as supported on springs in an oscillatory manner.
  • the washing drum 1 is rotationally supported rotating around a rotational axis I and driven by an electromotor not shown.
  • the washing drum 3 and the wash container 1 comprise a charging opening 5 which is connected via a rubber cuff 7 with a loading opening 9. Said opening 9 is closable by a door 10.
  • a spin sensor 12 and a temperature sensor 13 is provided inside the wash container 1.
  • a door sensor 14 is provided at the frontside of the washing machine adjacent to the loading opening 9.
  • Said sensors 12, 13, 14 detect as operational parameters the status S D of the door 10, i.e. whether the door 10 is opened or closed, as well as a washing temperature T W and the rotational speed S R .
  • Said operational parameters T W , S D , S R are transmitted to a micro controller 11 which controls standard operations of the washing machine, i.e. handling the sensors 12, 13, 14 as well as the control panel 19.
  • the control panel 19 acts as a user interface comprising operational elements 17 and display elements 18 in order to set washing programs.
  • the washing machine control 11 comprises a RFID-sensor or RFID antenna 27 which is integrated in the appliance door 10.
  • a RFID tag with their respective information indicating the description and washing settings.
  • the RFID-sensor 27 is - via a signal line 26 - linked with a RFID-reader 31 and by means of a serial communication bus further to a main controller 32.
  • the RFID-reader 31 is set to an output of radiated power between 0.5W. It is directly connected to the antenna 27 with a special HF cable.
  • the impedance will be between 45-55 Ohms, preferably 50 Ohms.
  • the cables and connectors are waterproof.
  • the antenna 27 is positioned underneath the loading opening 9 or the bull's eye of the washing machine facing upward.
  • the radiated field would therefore be angling up and away from the washing machine, covering the area above the loading opening.
  • the antenna is a patch antenna, preferably dielectric, with RHCP polarization. It has a regular bandwidth (around the center frequency of the respective country, 867 MHz in most of Europe) and low gain, between 2 and 4 dbi. Further, the antenna needs to be specifically tuned to each different model it is used for.
  • the main controller 32 includes an analyzing unit 33 and an output unit 34 which is linked to said micro controller 11 and/or to said control panel 19 by means of signal lines 35.
  • Said analyzing unit 33 of said main controller 32 is also linked to said micro controller 11 via a signal line 36 through a serial communication bus.
  • Data exchanged are any of importance such as the status S D of the door 10, the washing temperature T W , the program selected, the status of motors, etc. which are transmitted to said analyzing unit 33.
  • the operational parameters T W , S D , S R and the product parameters P are put together within an algorithm so as to support the user when selecting the laundry to be introduced into said washing machine.
  • the main controller 32 transmits control signals C via the output unit 34 and the signal lines 35 to said micro controller 11 and/or to said control panel 19. Due to this, said micro controller 11 can adopt the configuration automatically.
  • a best mode configuration recommended by the analyzing unit 34 may be displayed in the display element 18 of said control panel 19. This best mode configuration may be selected by the user.
  • the main controller 11 is in wireless communication 21 with a monitoring unit 23 which is located remotely from the washing machine.
  • a monitoring unit 23 which is located remotely from the washing machine.
  • a user profile can be generated.
  • an external carer can be provided with statistical information about the kind and amount of laundry as well as the use of the washing machine (number of times when the door is opened, washing temperature, number of times of use, programs selected, etc.). This information is useful to supervise for example the correct use of the washing machine by the user and also detect changes in user behavior and habits.
  • the remote monitoring unit may warn when something unusual happens; for example if the user has not opened the washing machine in one day (when supposed to be at home) she/he might have a problem.
  • an external carer can get an overview of the user habits and behaviors without intervening into the housekeeping of the user personally. If necessary, i.e. in case of any kind of deviation from the user profile, the external carer can personally intervene so as to support the user.
  • the monitoring unit 23 also comprises operational and display elements 29, 30 by which the external carer can intervene remotely without directly actuating the operational elements 17 of said washing machine. Moreover, the external carer can also get information about the actual state of operation of the washing machine via the display element 29 of the monitoring unit 23.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP09382183A 2009-09-24 2009-09-24 Waschmaschine und Verfahren zum Betreiben der Waschmaschine Withdrawn EP2302122A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09382183A EP2302122A1 (de) 2009-09-24 2009-09-24 Waschmaschine und Verfahren zum Betreiben der Waschmaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09382183A EP2302122A1 (de) 2009-09-24 2009-09-24 Waschmaschine und Verfahren zum Betreiben der Waschmaschine

Publications (1)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568077A1 (de) * 2011-09-09 2013-03-13 Andrew Bottrill Wäscheverwaltungssystem
US20140157526A1 (en) * 2012-12-10 2014-06-12 Telefonaktiebolaget L M Ericsson (Publ) Connecting Clothes and Washing Machine
US9375125B2 (en) 2012-12-20 2016-06-28 Whirlpool Corporation Household appliance having antennas
CN107447431A (zh) * 2016-06-01 2017-12-08 青岛海尔洗衣机有限公司 一种基于rfid识别功能的洗衣机控制方法及洗衣机
US9924849B2 (en) 2014-10-07 2018-03-27 Whirlpool Corporation Dishwasher with integrated closure element having an antenna
WO2018219627A1 (de) * 2017-06-02 2018-12-06 BSH Hausgeräte GmbH Wäschepflegegerät mit einer steuerung
CN111996738A (zh) * 2019-05-10 2020-11-27 青岛海尔洗衣机有限公司 一种衣物洗涤控制方法及洗衣机
EP3615092A4 (de) * 2017-03-01 2021-03-10 Applied Silver Inc. Systeme und verfahren zur behandlung von textilien mit einem antimikrobiellen wirkstoff
WO2021205714A1 (ja) * 2020-04-07 2021-10-14 日立グローバルライフソリューションズ株式会社 洗濯機

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US20140157526A1 (en) * 2012-12-10 2014-06-12 Telefonaktiebolaget L M Ericsson (Publ) Connecting Clothes and Washing Machine
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CN107447431A (zh) * 2016-06-01 2017-12-08 青岛海尔洗衣机有限公司 一种基于rfid识别功能的洗衣机控制方法及洗衣机
EP3615092A4 (de) * 2017-03-01 2021-03-10 Applied Silver Inc. Systeme und verfahren zur behandlung von textilien mit einem antimikrobiellen wirkstoff
US11053637B2 (en) 2017-03-01 2021-07-06 Applied Silver, Inc. Systems and processes for treating textiles with an antimicrobial agent
WO2018219627A1 (de) * 2017-06-02 2018-12-06 BSH Hausgeräte GmbH Wäschepflegegerät mit einer steuerung
CN110678599A (zh) * 2017-06-02 2020-01-10 Bsh家用电器有限公司 具有控制装置的洗涤物护理器具
CN110678599B (zh) * 2017-06-02 2021-05-14 Bsh家用电器有限公司 具有控制装置的洗涤物护理器具
CN111996738A (zh) * 2019-05-10 2020-11-27 青岛海尔洗衣机有限公司 一种衣物洗涤控制方法及洗衣机
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