EP2883993A1 - Appareil ménager avec une ligne d'alimentation d'eau sous pression et une soupape de régulation - Google Patents

Appareil ménager avec une ligne d'alimentation d'eau sous pression et une soupape de régulation Download PDF

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Publication number
EP2883993A1
EP2883993A1 EP14194641.8A EP14194641A EP2883993A1 EP 2883993 A1 EP2883993 A1 EP 2883993A1 EP 14194641 A EP14194641 A EP 14194641A EP 2883993 A1 EP2883993 A1 EP 2883993A1
Authority
EP
European Patent Office
Prior art keywords
domestic appliance
pressurized water
water line
chamber
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.)
Granted
Application number
EP14194641.8A
Other languages
German (de)
English (en)
Other versions
EP2883993B1 (fr
Inventor
Marcelo Cabaleiro Martins
Pedro Luis Gascon Dominguez
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP2883993A1 publication Critical patent/EP2883993A1/fr
Application granted granted Critical
Publication of EP2883993B1 publication Critical patent/EP2883993B1/fr
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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
    • 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
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • 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
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected 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
    • 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
    • D06F2103/20—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
    • D06F2105/02—Water 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
    • D06F34/22—Condition of the washing liquid, 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • D06F34/24—Liquid temperature

Definitions

  • the present invention relates to a domestic appliance with a pressurized water line and a container for introducing water from the pressurized water line, comprising a first chamber and a second chamber
  • the publication EP 237 79 87 A1 describes a laundry treatment device with a detergent container with several chambers. The introduction of water into the respective chamber requires a complex flow of water in the detergent container.
  • the publication US 4,830,509 A describes a device for dissolving a washing powder.
  • a tank is divided into an upper and a lower chamber.
  • the upper chamber includes level sensors.
  • several valves can be provided for supplying the water into the individual chambers.
  • the object is achieved by a household appliance having a pressurized water line and a container for introducing water from the pressurized water line, comprising a first chamber and a second chamber, wherein the pressurized water line is a control valve for regulating a flow variable in the pressurized water line and the household appliance comprises a sensor for controlling the control valve by means of a closed loop, so that at a first flow size the water flows into the first chamber of the container and at a second flow size the water flows into the second chamber of the container.
  • the technical advantage is achieved that a precise supply of water to the individual chambers is made possible by using a scheme a loop is performed.
  • the structure of the household appliance is simplified because a single control valve can be used instead of a plurality of control valves.
  • a plurality of chambers can be selectively filled by means of a single control valve.
  • a feedback mechanism is used which increases reliability and flexibility.
  • a household appliance is a device that is used for household management. This may be a large household appliance, such as a washing machine, a tumble dryer, a washer-dryer, a dishwasher, a cooking appliance or a refrigerator, such as a refrigerator. a refrigerator, a freezer or a fridge-freezer. But this can also be a small household appliance, such as a water heater, a coffee machine or a food processor.
  • the senor is a flow sensor, which is arranged in the pressurized water line.
  • the technical advantage is achieved that the flow size can be regulated as a function of a flow rate in the pressurized water line.
  • the senor is a moisture sensor which is arranged in the first and / or second chamber.
  • the senor is an optical sensor for determining the presence of water, which is arranged in the first and / or second chamber.
  • the technical advantage is also achieved that the flow size can be regulated in dependence on a presence of water in the respective chamber.
  • the senor is a temperature sensor for detecting a temperature in the first and / or second Chamber is arranged.
  • the technical advantage is achieved that the flow size can be regulated in dependence on a temperature in the respective chamber.
  • the senor is a conductivity sensor for detecting a thermal conductivity, which is arranged in the first and / or second chamber.
  • the household appliance comprises a noise sensor for determining a noise by the water in the pressurized water line.
  • the household appliance comprises a first pressurized water line with a first control valve for supplying cold water and a second pressurized water line with a second control valve for supplying warm water.
  • the first pressurized water line and the second pressurized water line are connected to one another at a mixing point.
  • the senor is arranged downstream of the mixing point in the flow direction.
  • the household appliance comprises a control logic for the digital processing of signals of the sensor and for controlling the control valve.
  • control logic comprises a memory for storing a control program.
  • control valve is a flow control valve for regulating a flow in the pressurized water line.
  • the flow variable is a flow rate of the water in the pressurized water line.
  • control valve is a solenoid valve.
  • Fig. 1 shows a washing machine representative of a household appliance 100 in which a container 103 can be used with multiple chambers.
  • the container 103 is drawer-like pulled out of the washing machine and is used to fill different washing substances, which are flushed together with water from the container 103 and the washing process are supplied at different times.
  • the container 103 comprises a plurality of chambers, into which the washing substances can be entered.
  • the washing substances are, for example, washing or care products.
  • Fig. 2 shows a schematic view of a regulation of a flow quantity in the pressurized water line 101 by means of a closed loop 111-1 or 111-2.
  • the pressurized water line 101 includes a controllable control valve 107, such as a flow control valve, a pressure control valve or a proportional valve. In general, different control valves or actuators or combinations thereof may be used.
  • the control valve 107 is used to regulate a flow in the pressure water line 101 such that in the presence of a first flow size, the water flows into a chamber 105-1 of the container 103 and in the presence of a second flow size, the water in another chamber 105-2 of the container 103rd flows.
  • the flow quantity is for example a flow rate or a volume flow.
  • the domestic appliance 100 comprises sensors 109-1,..., 109-5 for controlling the control valve 107 by means of a closed loop 111-1, 111-2 by means of a control logic 115.
  • the water is fed to one of the chambers 105-1 to 105-4.
  • the sensor 109-1 different types can be used.
  • the sensor 109-1 is a flow sensor, so that a flow rate can be adjusted as a flow variable.
  • a sensor may also be used which determines the amount of water that has flowed through the pressurized water line 101.
  • the volume of water through the Shared time interval in which this volume has been supplied may be supplied.
  • the sensor 109-1 may output a pulse signal each time a certain volume of water has passed through the pressurized water line 101.
  • the frequency of the pulse signal indicates the flow rate.
  • the number of pulse signals indicates the total volume of water that has flowed through the pressurized water line 101 during a time window.
  • the sensor 109-1 may also be a pressure sensor if the water is supplied to the individual chambers 105-1 to 105-4 as a function of a certain pressure.
  • the sensor 109-1 may be arranged before or after the control valve 107.
  • the sensors 109-2 to 109-5 are arranged in one or more chambers 105-1 to 105-4 of the container 103.
  • the sensor 109-2 may be an optical sensor for detecting whether the water is being supplied to the proper chamber 105-1 to 105-4.
  • the sensor 109-3 may be a humidity sensor to detect whether the water is being supplied to the proper chamber 105-1 to 105-4.
  • the sensor 109-4 may be a temperature sensor to detect if the water is being supplied to the proper chamber 105-1 to 105-4.
  • the sensor 109-5 may also be a sensor for determining a thermal conductivity to detect if the water is being supplied to the proper chamber 105-1 to 105-4.
  • the control valve 107 increases or decreases the flow rate or pressure until the sensor 109-2 in the chamber 105-1 through 105-4 provides a return signal.
  • a plurality of different sensors may be provided in different combinations to control the flow size in the pressurized water line 101 by means of one or more control circuits 111-1 and 111-2.
  • a sensor can be used which simultaneously detects multiple physical properties and provides a suitable feedback signal as to whether the water is being supplied to the intended chamber 105-1 to 105-4.
  • the sensors 109-1 and 109-2 need not be available at the same time. If sensor 109-1 is available, the water may be supplied by regulating the flow rate or pressure of the respective chamber 105-1 to 105-4.
  • the sensor 109-1 is connected to the processor device 115 by means of the control loop 111-1 as control logic for the digital processing of signals and for controlling the control valve 107.
  • the sensor 109-2 is connected to the processor device 115 by means of the control loop 111-2 as control logic for the digital processing of signals and for controlling the control valve 107.
  • the control logic any circuit can be used, can be processed by the signals of the sensor, so that a control of the control valve can be performed based on the signals.
  • the control logic may be implemented by hardware or software.
  • the home appliance 100 may additionally include a noise sensor for determining a sound through the water in the pressurized water line 101 that returns a feedback signal to the control logic.
  • the control of the flow quantity such as the flow rate or pressure, may be such as to prevent acoustic noise from the flow or turbulence.
  • a noise reduction by regulating the flow rate or the pressure within the household appliance 100 takes place.
  • Fig. 3 shows a schematic view of a regulation of a flow rate by closed-loop control 111-1 and 111-2 and two pressurized water lines 101-1 and 101-2.
  • two control valves 107-1 and 107-2 may be used to independently control the flow rate in each pressurized water pipe 101-1 and 101-2.
  • the pressurized water line 101-1 serves to supply cold water
  • the pressurized water line 101-2 serves to supply warm water.
  • Each of the control valves 107-1 and 107-2 is controlled by the control logic 115 based on the signals of the sensors 109-1 to 109-5.
  • the pressurized water line 101-1 and the pressurized water line 101-2 are, for example, fluidically connected to one another at a mixing point 113. As a result, water having a predetermined mixing temperature can be supplied to the respective chamber 105-1 to 105-4.
  • the same type of control valves can be used in both of the pressurized water lines 101-1 and 101-2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Domestic Plumbing Installations (AREA)
EP14194641.8A 2013-12-10 2014-11-25 Appareil ménager avec une ligne d'alimentation d'eau sous pression et une soupape de régulation Active EP2883993B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310225351 DE102013225351B3 (de) 2013-12-10 2013-12-10 Haushaltsgerät

Publications (2)

Publication Number Publication Date
EP2883993A1 true EP2883993A1 (fr) 2015-06-17
EP2883993B1 EP2883993B1 (fr) 2020-07-08

Family

ID=51900217

Family Applications (1)

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EP14194641.8A Active EP2883993B1 (fr) 2013-12-10 2014-11-25 Appareil ménager avec une ligne d'alimentation d'eau sous pression et une soupape de régulation

Country Status (2)

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EP (1) EP2883993B1 (fr)
DE (1) DE102013225351B3 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830509A (en) 1988-06-16 1989-05-16 Gulmatico Jr Ramon Automatic system for dissolving dry detergent
EP0611159A1 (fr) * 1993-02-11 1994-08-17 Brightwell Dispensers Limited Améliorations dans les dispositifs de dosage
US6434977B1 (en) * 2000-10-06 2002-08-20 Ark-Les Corporation Automatic laundry aid dispenser for washing machine
US20060107705A1 (en) * 2004-11-23 2006-05-25 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Automatic stand-alone dispensing device for laundry care composition
DE102008004258A1 (de) * 2007-03-26 2008-10-02 BSH Bosch und Siemens Hausgeräte GmbH Haushalt-Waschmaschine mit einer Einspüleinrichtung
DE102007049723A1 (de) * 2007-10-16 2009-05-07 Miele & Cie. Kg Verfahren zum Betreiben einer Dosiereinrichtung für eine Waschmaschine, Dosiereinrichtung und Waschmaschine
DE102009030290A1 (de) * 2008-07-01 2010-01-07 Whirlpool Corp., Benton Harbor Haushalts-Reinigungsgerät mit einem einzigen Wasserführungsweg für die Einzelchargen- und die Mengenausgabe
EP2377987A1 (fr) 2010-04-13 2011-10-19 Whirlpool Corporation Appareil de traitement du linge avec distributeur de détergent et procédé pour celui-ci
US20120058025A1 (en) * 2009-05-06 2012-03-08 Diversey, Inc. Material dispensing system and method with capacitance sensor assembly
WO2012084005A1 (fr) * 2010-12-20 2012-06-28 Ecolab Inc. Système de distribution servant à distribuer une substance solide étant conductrice en solution et procédé correspondant
US20130174352A1 (en) * 2011-04-25 2013-07-11 Whirlpool Corporation Method and apparatus for dispensing treating chemistry in a laundry treating appliance

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830509A (en) 1988-06-16 1989-05-16 Gulmatico Jr Ramon Automatic system for dissolving dry detergent
EP0611159A1 (fr) * 1993-02-11 1994-08-17 Brightwell Dispensers Limited Améliorations dans les dispositifs de dosage
US6434977B1 (en) * 2000-10-06 2002-08-20 Ark-Les Corporation Automatic laundry aid dispenser for washing machine
US20060107705A1 (en) * 2004-11-23 2006-05-25 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Automatic stand-alone dispensing device for laundry care composition
DE102008004258A1 (de) * 2007-03-26 2008-10-02 BSH Bosch und Siemens Hausgeräte GmbH Haushalt-Waschmaschine mit einer Einspüleinrichtung
DE102007049723A1 (de) * 2007-10-16 2009-05-07 Miele & Cie. Kg Verfahren zum Betreiben einer Dosiereinrichtung für eine Waschmaschine, Dosiereinrichtung und Waschmaschine
DE102009030290A1 (de) * 2008-07-01 2010-01-07 Whirlpool Corp., Benton Harbor Haushalts-Reinigungsgerät mit einem einzigen Wasserführungsweg für die Einzelchargen- und die Mengenausgabe
US20120058025A1 (en) * 2009-05-06 2012-03-08 Diversey, Inc. Material dispensing system and method with capacitance sensor assembly
EP2377987A1 (fr) 2010-04-13 2011-10-19 Whirlpool Corporation Appareil de traitement du linge avec distributeur de détergent et procédé pour celui-ci
WO2012084005A1 (fr) * 2010-12-20 2012-06-28 Ecolab Inc. Système de distribution servant à distribuer une substance solide étant conductrice en solution et procédé correspondant
US20130174352A1 (en) * 2011-04-25 2013-07-11 Whirlpool Corporation Method and apparatus for dispensing treating chemistry in a laundry treating appliance

Also Published As

Publication number Publication date
DE102013225351B3 (de) 2015-04-02
EP2883993B1 (fr) 2020-07-08

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