EP3043691B1 - Detektion der öffnung einer waschmittelspenderklappe in einer geschirrspülmaschine - Google Patents

Detektion der öffnung einer waschmittelspenderklappe in einer geschirrspülmaschine Download PDF

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Publication number
EP3043691B1
EP3043691B1 EP13765333.3A EP13765333A EP3043691B1 EP 3043691 B1 EP3043691 B1 EP 3043691B1 EP 13765333 A EP13765333 A EP 13765333A EP 3043691 B1 EP3043691 B1 EP 3043691B1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
lid
door
dispenser lid
dispenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13765333.3A
Other languages
English (en)
French (fr)
Other versions
EP3043691A1 (de
Inventor
Fredrik P ANDERSSON
Anton ERICSON
Mikael FREGELIUS
Tore WIDHOLM
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.)
Electrolux Appliances AB
Original Assignee
Electrolux Appliances AB
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 Electrolux Appliances AB filed Critical Electrolux Appliances AB
Priority to PL13765333T priority Critical patent/PL3043691T3/pl
Publication of EP3043691A1 publication Critical patent/EP3043691A1/de
Application granted granted Critical
Publication of EP3043691B1 publication Critical patent/EP3043691B1/de
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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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4409—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants by tipping containers or opening their lids, e.g. with the help of a programmer
    • 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
    • A47L15/006—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control using wireless communication between internal components of the machine
    • 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
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • 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
    • A47L2401/20—Time, e.g. elapsed operating time
    • 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
    • A47L2401/32—Vibration or sound detection
    • 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
    • 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
    • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply

Definitions

  • the invention relates to a dishwasher and a method at a dishwasher for detecting opening of a washing agent dispenser lid.
  • dishwashers there is a dispenser accommodated in the dishwasher door for retaining and, during operation of the dishwasher, disposing a washing agent such as detergent into the compartment when a washing programme is activated by a user.
  • a washing agent such as detergent
  • the dishwasher executes the washing programme and opens a lid of the detergent dispenser such that detergent can be disposed in the compartment.
  • the dispenser lid gets stuck such that the detergent cannot be disposed in the compartment, or if the lid does not fully open, the goods to be cleaned in the compartment will not be exposed to detergent, or only a small amount of detergent.
  • the washing programme when the washing programme has finished, the goods will most likely still be soiled, and the washing programme must be executed a second time, wasting both energy and water in addition to rendering an inferior user experience.
  • DE 102 04 455 discloses a dishwasher equipped with acoustic sensors for registering noise patterns caused by functional units such as pumps, valves, etc., in order to appropriately control a washing program or for detecting defects in dishwasher components.
  • An object of the present invention is to solve, or at least mitigate, this problem in the art and to provide a dishwasher and a method at a dishwasher for detecting whether a detergent dispenser lid opens during dishwasher operation.
  • the senor is arranged such that it detects a shock caused by the dispenser lid opening against the dishwasher door.
  • the sensor will in response to the detected shock caused by the lid opening communicate a signal indicating the opening of the dispenser lid to the controller.
  • the controller receives the signal indicative of the lid opening, an appropriate action can be taken.
  • the controller when the controller receives the signal indicative of the lid opening within an expected time period, thereby indicating a correct behaviour of the dispenser lid, the controller is advantageously arranged to proceed with executing the selected washing programme.
  • the controller if the controller does not receive the signal indicative of the dispenser lid opening within an expected time period, thereby indicating an incorrect behaviour of the lid such as e.g. the lid being accidentally closed by a plate leaning against it, the controller is advantageously arranged to proceed with terminating the selected washing programme.
  • the controller is advantageously arranged to communicate to a user whether the dispenser lid has opened or not via a user interface, such that the user can take further action. This can be performed visually and/or audibly via the user interface.
  • process water is meant a liquid containing mainly water that is used in and circulates in a dishwasher.
  • the process water is water that may contain detergent and/or rinse aid in a varying amount.
  • the process water may also contain soil, such as food debris or other types of solid particles, as well as dissolved liquids or compounds.
  • Process water used in a main wash cycle is sometimes referred to as the wash liquid.
  • Process water used in a rinse cycle is sometimes referred to as cold rinse or hot rinse depending on the temperature in the rinse cycle.
  • FIG 1 shows a dishwasher 10 in which the present invention can be implemented. It should be noted that dishwashers can take on many forms and include many different functionalities. The dishwasher 10 illustrated in Figure 1 is thus used to explain different embodiments of the present invention and should only be seen as an example of a dishwasher in which the present application can be applied.
  • the dishwasher 10 comprises a washing compartment or tub 11 housing an upper basket 12, a middle basket 13 and a lower basket 14 for accommodating goods to be washed. Typically, cutlery is accommodated in the upper basket 12, while plates, drinking-glasses, trays, etc. are placed in the middle basket 13 and the lower basket 14.
  • a washing agent such as rinse aid or detergent in the form of liquid, powder or tablets is dosed in a detergent compartment located on the inside of a door (not shown in Figure 1 ) of the dishwasher 10 by a user, which washing agent is controllably discharged into the washing compartment 11 in accordance with a selected washing programme.
  • the operation of the dishwasher 10 is typically controlled by processing unit/controller 40 (CPU) executing appropriate software.
  • the washing agent will be exemplified in the form of detergent.
  • Fresh water is supplied to the washing compartment 11 via water inlet 15 and water supply valve 16. This fresh water is eventually collected in a so called sump 17, where the fresh water is mixed with the discharged detergent resulting in process water 18.
  • a filter 19 At the bottom of the washing compartment is a filter 19 for filtering soil from the process water before the process water leaves the compartment via process water outlet 20 for subsequent re-entry into the washing compartment 11 through circulation pump 21.
  • the process water 18 passes the filter 19 and is pumped through the circulation pump 21, which typically is driven by a brushless direct current (BLDC) motor 22, via a conduit 23 and respective process water valves 24, 25 and sprayed into the washing compartment 11 via nozzles (not shown) of a respective wash arm 26, 27, 28 associated with each basket 12, 13, 14.
  • BLDC brushless direct current
  • the process water 18 exits the washing compartment 11 via the filter 19 and is recirculated via the circulation pump 21 and sprayed onto the goods to be washed accommodated in the respective basket via nozzles of an upper wash arm 26, middle wash arm 27 and lower wash arm 28.
  • the washing compartment 11 of the dishwasher 10 is drained on process water 18 with a drain pump 29 driven by a BLDC motor 30. It should be noted that it can be envisaged that the drain pump 29 and the circulation pump 21 may be driven by one and the same motor.
  • FIG 2a shows a cross section side view of a dishwasher door 32 for closing the compartment during dishwasher operation.
  • a detergent dispenser 33 is accommodated for housing detergent (and possibly rinse aid) to be disposed in the process water during the execution of a selected washing programme.
  • the detergent dispenser 33 is arranged with a lid 34 which can be closed in order to retain the detergent filled by a user in the dispenser 33 until the selected washing programme instructs the controller 40 (shown in Figure 1 ), being communicatively connected to the detergent dispenser, to perform an appropriate action to open the lid 34 such that the detergent can be disposed from the dispenser 33 into the process water in the dishwasher compartment in a dose advocated by the selected washing programme.
  • the dishwasher 10 of the present invention is arranged with at least one sensor 31, such as an accelerometer, for detecting opening of the dispenser lid 34.
  • Figure 2b shows a cross section side view of the dishwasher door 32 where the lid 34 of the detergent dispenser 33 has been opened such that the detergent is disposed into the dishwasher compartment.
  • the lid 34 pivots around a hinge 35 to move into an open position.
  • the sensor 31 is arranged in the door 32, and in mechanical contact with the inner face of the door 32, at a location where the detergent dispenser lid 34 opens against it.
  • the shock caused on the inner face of the door 32, and thus the sensor 31 will advantageously be sufficiently powerful to make a great impact on the sensor 31.
  • the shock caused by the opening lid 34 is powerful enough not to be confused with e.g. process water splashing onto the inner face of door 32.
  • the sensor 31 will in response to the detected shock communicate a signal indicating the opening of the detergent dispenser lid 34 to the controller 40.
  • the controller 40 receives the signal indicative of the lid 34 opening, an appropriate action can be taken.
  • the controller 40 when the controller 40 receives the signal indicative of the lid 34 opening within an expected time period, thereby indicating a correct behaviour of the dispenser lid 34, the controller 40 is arranged to proceed with executing the selected washing programme.
  • the controller 40 if the controller 40 does not receive the signal indicative of the dispenser lid 34 opening within an expected time period, thereby indicating an incorrect behaviour of the lid 34 such as e.g. the lid being unintentionally closed by a plate leaning against it, the controller 40 is arranged to proceed with terminating the selected washing programme.
  • the controller 40 is advantageously arranged to communicate to a user whether the detergent dispenser lid 34 has opened or not via a user interface 36, such that the user can take further action. This can be performed visually and/or audibly via the user interface 36 typically located at an upper section of the dishwasher door.
  • FIGS 3a and b illustrate another type of dispenser lid that can be detected according to the present invention.
  • This type of lid moves substantially in a plane of the compartment door. It can move either horizontally or vertically depending on implementation.
  • Figure 3b shows a front view of a dishwasher door 32 (from the compartment side) for closing the compartment during dishwasher operation.
  • a detergent dispenser 33 is accommodated for housing detergent (and/or possibly rinse aid) to be disposed in the process water during the execution of a selected washing programme.
  • the detergent dispenser 33 is arranged with a lid 34 which can be closed in order to retain the detergent filled by a user in the dispenser 33 until the selected washing programme instructs the controller 40 (shown in Figure 1 ), being communicatively connected to the detergent dispenser, to perform an appropriate action to open the lid 34 such that the detergent can be disposed from the dispenser 33 into the process water in the dishwasher compartment in a dose advocated by the selected washing programme.
  • the dishwasher 10 of the present invention is arranged with at least one sensor 31, such as an accelerometer, for detecting opening of the dispenser lid 34.
  • Figure 3b shows a view of the dishwasher door 32 where the lid 34 of the detergent dispenser 33 has been opened vertically in the plane of the door 32 such that the detergent is disposed into the dishwasher compartment.
  • the lid 34 slides along the dishwasher door 32 to move into an open position, thus causing a shock against the compartment door 32 which will be detected by the sensor 31.
  • the sensor 31 is arranged in the door 32, and in mechanical contact with the inner face of the door 32, at a location where the detergent dispenser lid 34 opens against it.
  • the shock caused on the inner face of the door 32, and thus the sensor 31 will advantageously be sufficiently powerful to make a great impact on the sensor 31.
  • the shock caused by the opening lid 34 is powerful enough not to be confused with e.g. process water splashing onto the inner face of door 32.
  • the sensor 31 will in response to the detected shock communicate a signal indicating the opening of the detergent dispenser lid 34 to the controller 40.
  • the controller 40 receives the signal indicative of the lid 34 opening, an appropriate action can be taken as previously has been described.
  • FIG. 4 shows a flowchart of an embodiment of a method of detecting opening of a detergent dispenser lid in a dishwasher according to the present invention.
  • a shock caused by the detergent dispenser lid opening against the dishwasher door is detected.
  • an action to be taken in response to the detected shock is determined.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (9)

  1. Geschirrspülmaschine (10), umfassend eine Abgabevorrichtung (33), die in einer Geschirrspülmaschinentür (32) aufgenommen ist und ausgestaltet ist, ein Spülmittel in ein Fach (11) der Geschirrspülmaschine bei dem Öffnen eines Abgabevorrichtungsdeckels (34) abzugeben, wobei die Geschirrspülmaschine ferner umfasst:
    mindestens einen Sensor (31), der ausgestaltet ist, eine durch das Öffnen des Abgabevorrichtungsdeckels gegen die Geschirrspülmaschinentür verursachte Erschütterung zu detektieren, wobei der mindestens eine Sensor (31) in der Geschirrspülmaschinentür (32) in einer Lage angeordnet ist, in der sich der Abgabevorrichtungsdeckel (34) gegen die Geschirrspülmaschinentür öffnet, und ein Signal in Reaktion darauf zu kommunizieren, das das Öffnen des Abgabevorrichtungsdeckels anzeigt; und
    eine Steuerung (40), die ausgestaltet ist, das Signal zu empfangen und auf Grundlage des empfangenen Signals eine vorzunehmende Aktion zu bestimmen.
  2. Geschirrspülmaschine (10) nach Anspruch 1, wobei die Steuerung (40) ferner ausgestaltet ist, mit einem Ausführen eines ausgewählten Spülprogramms fortzufahren, wenn das Signal innerhalb eines vorbestimmten Zeitraums ab Aktivierung des ausgewählten Spülprogramms empfangen wird.
  3. Geschirrspülmaschine (10) nach Anspruch 1 oder 2, wobei die Steuerung (40) ferner ausgestaltet ist, mit einem Beenden eines ausgewählten Spülprogramms fortzufahren, wenn das Signal nicht innerhalb eines vorbestimmten Zeitraums ab Aktivierung des ausgewählten Spülprogramms empfangen wird.
  4. Geschirrspülmaschine (10) nach einem der vorhergehenden Ansprüche, wobei der mindestens eine Sensor (31) einen Beschleunigungsmesser umfasst.
  5. Geschirrspülmaschine (10) nach einem der vorhergehenden Ansprüche, wobei die Steuerung (40) ferner ausgestaltet ist, an einen Benutzer über eine Benutzerschnittstelle (36) zu kommunizieren, dass der Abgabevorrichtungsdeckel (34) sich nicht innerhalb eines vorbestimmten Zeitraums geöffnet hat.
  6. Verfahren zum Detektieren eines Öffnens eines Spülmittelabgabevorrichtungsdeckels in einer Geschirrspülmaschine, wobei das Verfahren umfasst:
    Detektieren (S101), ob eine durch das Öffnen des Abgabevorrichtungsdeckels gegen eine Geschirrspülmaschinentür verursachte Erschütterung auftritt, mithilfe mindestens eines Sensors, der in der Geschirrspülmaschinentür in einer Lage angeordnet ist, in der sich der Abgabevorrichtungsdeckel gegen die Geschirrspülmaschinentür öffnet;
    Bestimmen (S102) einer in Reaktion auf die detektierte Erschütterung vorzunehmenden Aktion.
  7. Verfahren nach Anspruch 6, wobei die vorzunehmende Aktion umfasst:
    Fortfahren mit einem Beenden eines ausgewählten Spülprogramms, wenn keine Erschütterung innerhalb eines vorbestimmten Zeitraums ab Aktivierung des ausgewählten Spülprogramms auftritt.
  8. Verfahren nach einem der Ansprüche 6 oder 7, ferner umfassend:
    Kommunizieren an einen Benutzer, wenn die Erschütterung nicht innerhalb eines vorbestimmten Zeitraums aufgetreten ist.
  9. Verfahren nach Anspruch 6, wobei die vorzunehmende Aktion umfasst:
    Fortfahren mit einem Ausführen eines ausgewählten Spülprogramms, wenn die Erschütterung innerhalb eines vorbestimmten Zeitraums ab Aktivierung des ausgewählten Spülprogramms auftritt.
EP13765333.3A 2013-09-13 2013-09-13 Detektion der öffnung einer waschmittelspenderklappe in einer geschirrspülmaschine Active EP3043691B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13765333T PL3043691T3 (pl) 2013-09-13 2013-09-13 Wykrywanie otwarcia wieczka dozownika środka zmywającego w zmywarce

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/069045 WO2015036039A1 (en) 2013-09-13 2013-09-13 Detecting opening of a washing agent dispenser lid in a dishwasher

Publications (2)

Publication Number Publication Date
EP3043691A1 EP3043691A1 (de) 2016-07-20
EP3043691B1 true EP3043691B1 (de) 2020-02-12

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Application Number Title Priority Date Filing Date
EP13765333.3A Active EP3043691B1 (de) 2013-09-13 2013-09-13 Detektion der öffnung einer waschmittelspenderklappe in einer geschirrspülmaschine

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Country Link
US (1) US20160296100A1 (de)
EP (1) EP3043691B1 (de)
CN (1) CN105451626B (de)
PL (1) PL3043691T3 (de)
WO (1) WO2015036039A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106618432A (zh) * 2016-12-28 2017-05-10 佛山市顺德区美的洗涤电器制造有限公司 用于洗碗机的洗涤剂投放装置和洗碗机
US11344176B2 (en) 2019-10-16 2022-05-31 Haier Us Appliance Solutions, Inc. Dishwasher appliances and methods for determining wash additive levels
CN110742562B (zh) * 2019-11-19 2021-04-20 佛山市顺德区美的洗涤电器制造有限公司 分配器和洗涤电器

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE10204455A1 (de) * 2002-02-05 2003-08-21 Miele & Cie Verfahren zur Beeinflussung und/oder Steuerung des Programmlaufs eines wasserführenden Haushaltgerätes, insbesondere Geschirrspülmaschine, sowie Geschirrspülmaschine zur Durchführung des Verfahrens
DE102008040647A1 (de) * 2008-07-23 2010-01-28 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine
EP2270253B1 (de) * 2009-07-03 2012-09-12 Applied Materials, Inc. Biegevorrichtung für homogenen und reibungslosen Betrieb einer Verdampfungsquelle
DE102009027950A1 (de) * 2009-07-23 2011-01-27 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät
US8206512B2 (en) * 2009-08-10 2012-06-26 General Electric Company Automatic and manual detergent type identification to select a wash algorithm based on detergent type
PL2614763T3 (pl) * 2012-01-10 2015-08-31 Electrolux Home Products Corp Nv Sposób detekcji obrotów ramienia rozpylacza zmywarki do naczyń

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
CN105451626A (zh) 2016-03-30
WO2015036039A1 (en) 2015-03-19
CN105451626B (zh) 2019-09-24
PL3043691T3 (pl) 2020-08-24
EP3043691A1 (de) 2016-07-20
US20160296100A1 (en) 2016-10-13

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