EP2067429B1 - Waschmaschine mit einer mit Datenmedien mit Fernzugriff zusammenarbeitenden Benutzerschnittstelle - Google Patents

Waschmaschine mit einer mit Datenmedien mit Fernzugriff zusammenarbeitenden Benutzerschnittstelle Download PDF

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Publication number
EP2067429B1
EP2067429B1 EP07122669.0A EP07122669A EP2067429B1 EP 2067429 B1 EP2067429 B1 EP 2067429B1 EP 07122669 A EP07122669 A EP 07122669A EP 2067429 B1 EP2067429 B1 EP 2067429B1
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EP
European Patent Office
Prior art keywords
appliance
remotely accessible
user
data media
accessible data
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.)
Expired - Fee Related
Application number
EP07122669.0A
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English (en)
French (fr)
Other versions
EP2067429A1 (de
Inventor
Thomas Tondorf
Volkart Kurner
Stefanie Oberkirsch
Estewan Preissing
Stefan Haertel
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 Corp
Original Assignee
Whirlpool Corp
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 Whirlpool Corp filed Critical Whirlpool Corp
Priority to EP07122669.0A priority Critical patent/EP2067429B1/de
Publication of EP2067429A1 publication Critical patent/EP2067429A1/de
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Publication of EP2067429B1 publication Critical patent/EP2067429B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
    • 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
    • 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
    • A47L15/0063—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using remote monitoring or controlling of the dishwasher operation, e.g. networking systems
    • 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
    • D06F2101/00—User input 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
    • 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
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress

Definitions

  • the present invention relates to a household appliance, particularly a laundry washing machine or a dishwashing machine, comprising a user interface and identification means able to capture automatically data stored on a remotely accessible data media.
  • apartment buildings usually have a shared laundry room in which each household may put up its own private washer and/or laundry dryer, or washer-dryer.
  • a common problem in such shared rooms is the misuse of these appliances by persons who are not the owners, shifting the cost of appliance wear, supply water, and electrical energy to the owners.
  • EP-A-0978773 discloses a washing machine where the user interface can be activated only by entering an access code. Only when this code is entered, the machine system can be activated. This known system implies that the user firstly remembers the access code, and secondly that he/she has some familiarities with keyboards and access codes.
  • EP-A-1452636 discloses a washer having a system for automatically detecting information contained in transponder devices attached for laundry items.
  • EP-A-1452636 discloses a washer having a system for automatically detecting information contained in transponder devices attached to laundry items.
  • the appliance itself shall not run a program cycle unless the user is automatically authorized.
  • Another object of the present invention is to securely prevent accidents caused by unauthorized operation. This shall be achieved through an authorization system which, on the user side, is easy to carry along, wireless, cheap, not requiring mechanical tools or pressing of button combinations.
  • the appliance shall not exert any safety relevant action (such as door locking, water inlet, heating, or movement) unless started by an authorized user.
  • a further problem underlying the present invention relates to the way in which a domestic appliance can be driven in a service mode.
  • the diagnostic mode is usually activated by pressing a button combination on the user interface (buttons pressed in a particular sequence, or simultaneously, or for a certain number of seconds). For example a failure history stored in the appliance control, e.g. in an EPROM, will be given out on the display of the appliance upon activation of the diagnostic mode.
  • diagnostic mode safety functions can be deactivated, e.g. a washer will not interrupt spinning in the case of unbalance and/or heating will not be interrupted if the water level falls below the safety level in a washer. This can have severe consequences if the service mode is activated accidentally by a non-service user. Concerning the aforementioned examples, deactivation of heater safety can lead to combustion in the worst case, or to failure of the heating element in a less severe case. If unbalance is not reacted to, the appliance can lose its stable position. In the worst case people can be injured. If the appliance stands on a pedestal it can fall from it and it can be damaged. In less severe cases mechanical damage can be done to parts of the appliance if the tub of the washer hits the cabinet.
  • the service staff usually has to remove the worktop or cover plate, or another panel of the appliance cabinet, to access the control board and read out data via an interface on the control board, a plug, cable, and e.g. a laptop.
  • the implementation of the diagnostic mode button combination is costly. It requires programming effort and testing effort in development. It increases software complexity and requires processor space.
  • the diagnostic mode shall only be activated if an authorized service person is present. It shall automatically be deactivated afterwards. Activation shall be realized with a convenient wireless authorization system of low cost.
  • Another problem underlying the present invention is how to adapt an appliance according to different preferences shared by several members of the same household. In many households several users with different needs or different levels of experience and understanding are sharing one washer or other household appliance. Reasons can be:
  • appliances have a few possibilities to set user preferences.
  • appliances with LCD displays can usually store preferences such as the display language and program and option settings for a few "favorite" programs of the user.
  • preferences such as the display language and program and option settings for a few "favorite" programs of the user.
  • a further object of the present invention is to provide an appliance that will then automatically set an appropriate setting of programs, temperatures, spin speeds, and additions such as pre-washes. It is also possible to support the user in his selections by guiding him through a user dialogue on the user interface (example: help the user to identify the stain type).
  • the appliance will have a system which is able to store user preferences for each user separately, including the preferred operational concept of the user interface or user dialogue for each user, and which can identify the approaching user and switch to this user's preferences automatically.
  • This identification system shall be, on the user side, easy to carry along, wireless, low-cost, and convenient to use, requiring neither tools nor keys nor memorizing and typing of a numeral code, password, or button combination.
  • a washing machine 10 presents a user interface 12 connected to a grounded control board 14. This board is also connected to an alternating electric field source 16 (frequency generator) and is provided with a first coupling interface 18, a second coupling interface 20 and a signal receiver 22.
  • alternating electric field source 16 frequency generator
  • An extremely long-wave (quasistatic) alternating electric field (e.g. 1000 kHz) is created by the frequency generator 16 (current source plus oscillator and modulation), also known as "ZPS server", i.e. Zero Power Switch server.
  • the technology of extremely long-wave alternating electric field is known from WO-A-2007/054349 , US-A-2006/0261672 and WO-A-2007/000353 and therefore will not here be disclosed further.
  • a coupling interface e.g. a copper plate, the maximum of the electric field strength is directed towards a particular space (near field), identified in figure 1 with F.
  • the identification of an authorized user U is accomplished by means of a Zero Power Switch (ZPS) device 24, called “ZPS client", which is worn or carried by the user U.
  • ZPS client 24 is a low-cost capacitive switch with very low, near-zero power consumption. It can be integrated in a smartcard, a solid token-like metal cylinder, or another device that is both robust and easy to carry along.
  • the Zero Power Switch server 16 comprises the first coupling interface 18 and an oscillator with a fixed frequency output in the range of 0 to 10 kHz. This fixed frequency is functioning as an identification signature.
  • the ZPS server 16 When the user U wearing the ZPS identification device 24 (ZPS client) is entering the quasistatic electric field F, the ZPS server 16 will execute a switching process, whereupon it will couple an electromagnetic signal of its characteristic frequency back into the field F.
  • the user U is assumed to be grounded via the floor of the room.
  • the change in the electric field initiated by the ZPS switching 16 can be detected by the signal receiver 22 and evaluated in the control board 14.
  • the frequency emitted by the ZPS client 24 can be identified and compared to a preset authorization signal stored in the control board 14.
  • the user interface 12 of the appliance 10 Only in the case the frequency emitted by the ZPS client 24 corresponds, in a certain predetermined tolerance range, to the signal stored in the control board 14, the user interface 12 of the appliance 10 will be driven in a active working condition according to which it can be actually used by the user U. On the contrary, every action on any button, lever, knob etc. on the user interface 12 will have no effect on the appliance itself.
  • the electric field generator 16 is placed inside the user interface 12 of the washer 10, which of course could be also a laundry dryer, a dishwasher, a cooktop or an oven.
  • the field maximum is directed towards the space in front of the appliance 10 that will normally be occupied by the user U intending to operate the appliance.
  • the distance covered by the field F should reach about 1 m measured from the appliance control board 14.
  • the authorized user U is equipped with the ZPS client device 24. When the user U approaches the appliance, this latter will receive an authorization signal from the ZPS client device 24.
  • the signal frequency is identified in the appliance control and compared to a predefined authorization signal.
  • the appliance 10 If the appliance 10 has a "Start" button on the user interface, it will only react to activation if an authorization signal from the ZPS is received approximately simultaneously, e.g. within a predetermined time span (for instance two seconds), with the pressing of the button. If only selector buttons and rotary selectors are present, such as in cooktops or ovens, no action (e.g. heating) is started unless the authorization signal is detected in a near-simultaneous time span. A feedback is given to the user, e.g. a sound signal, LED light, or message on an LCD or seven-segment display, to indicate when the appliance is unlocked and can be started.
  • a predetermined time span for instance two seconds
  • the appliance Since the appliance will only react to operation if an authorization signal from the ZPS worn by the authorized user U is received approximately simultaneously, children or persons of diminished responsibility or pets cannot start the appliance.
  • the zero power switch can be a ZPS client device, e.g. a ZPS integrated in a card of credit-card format or by a chip-shaped device. It is then possible to create cards that do not only authorize the use of the appliance, but also combine programs with the most frequently chosen options.
  • the cards, chips, or other ZPS client devices can be labeled in Braille or with intuitive palpable pictograms or with some other unambiguous code.
  • each fabric type and each soil level is represented by a ZPS client device.
  • a palpable sample of fabric and a palpable coding of the soil level are integrated in each ZPS client device.
  • this latter not only is automatically enabled to carry out the washing process, but it automatically sets the appropriate program and options for optimum fabric care and cleaning performance.
  • This approach is very intuitive and helps even a user of no laundering expertise to activate the correct program and options.
  • combinations with Braille labeling or palpable pictograms are also possible.
  • Adapted versions of these cards are also very useful for facilitating delegation of laundering tasks.
  • authorization/program cards it is no longer necessary for a household member experienced in laundering to explain the correct program and option selection to an inexperienced user. It is sufficient to hand the appropriate card or cards to him.
  • the appliance On approach of the user with the card the appliance will automatically set the right program and options. As errors can be excluded and laundry damage or bad wash performance can be prevented, an experienced household member will be less reluctant to delegate the task, and absence of the experienced user will be less of a problem.
  • the cards can be designed to be very intuitive, inexperienced users will quickly learn to choose the right cards themselves.
  • the user identification is used for authorizing service staff in order to release and automatically activate the diagnostic mode of the appliance.
  • One or several characteristic ZPS frequencies must be reserved for the service staffs ZPS client devices. If one of these characteristic frequencies is coupled into the field, it will be detected via the signal receiver and its signature can be read by the appliance control. The appliance control will then activate the service mode and, for example, give out a failure history on the display.
  • a major advantage of this embodiment is that a wireless data transfer is possible. This eliminates the great inconvenience of having to remove the worktop and wire the appliance control to a laptop in order to read out detailed data, e.g. EPROM entries from the appliance control. Reading out of data can be accomplished as shown in Figure 2 .
  • the service person with the ZPS client device approaches the appliance.
  • the appliance signal receiver detects the frequency of the ZPS device, triggers the appliance control access data on EPROM and such data are transferred to the appliance field emitter in order to modulate the electric field around the appliance.
  • the signal receiver carried by the service person detects, decodes and displays the data to the service person.
  • the user identification device can also store user preferences, and a feedback about the settings is displayed.
  • the appliance is equipped with a user interface which permits a user dialogue, e.g. a user interface disposing of a liquid crystal display or the appearance of which can be changed, e.g. a touch screen, it is possible not only to set favorite programs and options for each user, but also to set the right display language for each user separately.
  • a particular benefit of the invention is the possibility to adapt the operational concept of the appliance to the degree of experience, understanding, and preferred simplicity or professionalism of use for each user. For example some users can be treated as one-steppers, others as professional users.
  • RFID radiofrequency identification devices
  • RFID tags are relatively low-cost and can also be operated passively, not requiring a battery power supply of their own.
  • program card embodiment program cards for visually impaired users
  • RFID tags are a very appropriate solution.
  • wireless technologies can also be employed, e.g. communication via cellular phone networks or Bluetooth, WLAN, DECT (electrical fields), infrared emitters and receivers (optical electromagnetic waves), or protocols using a magnetic field.
  • wireless technologies e.g. communication via cellular phone networks or Bluetooth, WLAN, DECT (electrical fields), infrared emitters and receivers (optical electromagnetic waves), or protocols using a magnetic field.
  • program card it is also possible to direct the field towards the inside of the appliance or to integrate e.g. a RFID reader in the frame of the appliance door or in the door itself.
  • Program cards can be enlarged and encapsulated against moisture and heat so that they can withstand washing or drying cycles and will not get caught, damaged or lost in the gap between the door bellow and the drum of e.g. a washer.
  • the program card can be added to the laundry. This is very convenient. For example an experienced user can sort the laundry into different baskets and place the appropriate laundry card into each basket. The inexperienced user, to whom the task is delegated, does not have to hold the card up in front of the appliance. His task is reduced to loading the entire content of the basket e.g. into the washer, which will automatically select the right settings. No search for the right card is necessary if the wash cycle is to be followed by a drying cycle. The laundry including the card can be removed from the washer and put into the dryer, which will automatically set the right program as well.

Claims (7)

  1. Haushaltgerät, insbesondere Wäschewaschmaschine (10) oder Geschirrspülmaschine, umfassend eine Benutzerschnittstelle (12) und Mittel (18, 20, 22) zur Identifizierung eines autorisierten Benutzers (U), in der Lage, Daten, die auf fernzugängigen Datenträgern (24), die von dem autorisierten Benutzer (U) am Körper getragen oder in der Hand gehalten werden, gespeichert sind, automatisch zu erfassen, wobei die genannte Benutzerschnittstelle (12) in einem Arbeitszustand betrieben wird, in dem das Gerät von dem genannten autorisierten Benutzer (U) nur dann benutzt werden kann, wenn die genannten fernzugängigen Datenträger (24) sich in einem vorbestimmten Abstand von dem Gerät (10) befinden.
  2. Haushaltgerät nach Anspruch 1, wobei die genannten Mittel zur Identifizierung (18, 20, 22) einen Frequenzgenerator eines quasistatischen elektrischen Wechselfeldes umfassen, wobei die genannten fernzugängigen Datenträger (24) einen kapazitiven Schalter aufweisen.
  3. Haushaltgerät nach Anspruch 1, wobei die genannten Mittel zur Identifizierung (18, 20, 22) einen Hochfrequenz-Sender/Empfänger umfassen, wobei die fernzugängigen Datenträger (24) eine Hochfrequenz-Identifizierungsvorrichtung umfassen.
  4. Haushaltgerät nach einem der vorhergehenden Ansprüche, wobei die genannten fernzugängigen Datenträger (24) Daten enthalten, die automatisch ermöglichen, dass das Gerät in einen Betriebsmodus versetzt wird.
  5. Haushaltgerät nach einem der Ansprüche 1-3, wobei die genannten fernzugängigen Datenträger (24) Daten enthalten, die in Bezug stehen mit vorbestimmten Vorzügen eines spezifischen autorisierten Benutzers (U), sodass die Benutzerschnittstelle (12) automatisch für solche Vorzüge konfiguriert wird.
  6. Haushaltgerät nach einem der vorhergehenden Ansprüche, wobei die genannten fernzugängigen Datenträger (24) ausgewählt sind aus der Gruppe von Karten, Chipvorrichtungen, beschrifteten Karten oder dergleichen.
  7. Haushaltgerät einem der vorhergehenden Ansprüche, insbesondere Wäschewaschmaschine (10), wobei die genannten fernzugängigen Datenträger (24) an einen speziellen Gewebetyp und/oder Verschmutzungsgrad gekoppelt sind.
EP07122669.0A 2007-12-07 2007-12-07 Waschmaschine mit einer mit Datenmedien mit Fernzugriff zusammenarbeitenden Benutzerschnittstelle Expired - Fee Related EP2067429B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07122669.0A EP2067429B1 (de) 2007-12-07 2007-12-07 Waschmaschine mit einer mit Datenmedien mit Fernzugriff zusammenarbeitenden Benutzerschnittstelle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07122669.0A EP2067429B1 (de) 2007-12-07 2007-12-07 Waschmaschine mit einer mit Datenmedien mit Fernzugriff zusammenarbeitenden Benutzerschnittstelle

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EP2067429A1 EP2067429A1 (de) 2009-06-10
EP2067429B1 true EP2067429B1 (de) 2016-02-17

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Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE102014108498B4 (de) 2014-06-17 2022-03-24 Miele & Cie. Kg Verfahren zum Steuern eines Haushaltsgeräts sowie Haushaltsgerät
DE102014118594A1 (de) * 2014-12-15 2016-06-30 Miele & Cie. Kg Verfahren zum Betreiben von Wäschebehandlungsmaschinen
DE102016209133A1 (de) * 2016-05-25 2017-11-30 BSH Hausgeräte GmbH Gargerät mit Nahbereichs-Funkschnittstelle
CN106149288A (zh) * 2016-09-08 2016-11-23 北京小米移动软件有限公司 智能洗衣方法和装置
KR102458441B1 (ko) * 2017-06-16 2022-10-25 삼성전자주식회사 세탁기, 그를 포함하는 시스템 및 세탁기의 제어방법
KR20210009681A (ko) * 2019-07-17 2021-01-27 엘지전자 주식회사 세탁기 및 그 제어 방법
WO2023131392A1 (en) * 2022-01-04 2023-07-13 Electrolux Appliances Aktiebolag Household appliance with restricted functionalities

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DE29824311U1 (de) * 1998-03-03 2001-01-25 Bsh Bosch Siemens Hausgeraete Vorrichtung zum Erfassen von Daten wenigstens eines Transponders
DE19835440A1 (de) 1998-08-05 2000-02-10 Bsh Bosch Siemens Hausgeraete Programmgesteuertes Haushaltsgerät
DE60016412T2 (de) 2000-09-29 2006-03-02 Whirlpool Corp., Benton Harbor Kochsystem und Anwendung in einem Ofen
DE10144667B4 (de) * 2001-09-11 2005-10-27 BSH Bosch und Siemens Hausgeräte GmbH Programmgesteuertes Haushaltgerät
WO2004078536A2 (de) 2002-08-15 2004-09-16 Ident Technology Ag Schaltungsanordnung zur selektiven schaltsignalgenerierung, insbesondere für eine fahrzeugtürverriegelung, hiermit ausgestattetes fahrzeug, system und verfahren zur absicherung von gefährdungsbereichen sowie system, systemkomponenten und verfahren zur abwicklung eines hermetisch validierbaren datentransfers
ITTO20030147A1 (it) * 2003-02-28 2004-09-01 Wrap Spa Sistema e dispositivo per il trattamento in particolare per il lavaggio ,di prodotti tessili.
DE102006029919A1 (de) 2005-06-29 2007-02-22 Ident Technology Ag Schaltungseinrichtung zur Abwicklung eines Datentransfers
DE102005053745A1 (de) 2005-11-10 2007-05-16 Ident Technology Ag System und Verfahren zur Abwicklung eines insbesondere autorisierungsrelevanten Datentransfers

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