EP3320136A1 - Appareil et procédé d'entretien du linge - Google Patents

Appareil et procédé d'entretien du linge

Info

Publication number
EP3320136A1
EP3320136A1 EP16715544.9A EP16715544A EP3320136A1 EP 3320136 A1 EP3320136 A1 EP 3320136A1 EP 16715544 A EP16715544 A EP 16715544A EP 3320136 A1 EP3320136 A1 EP 3320136A1
Authority
EP
European Patent Office
Prior art keywords
laundry
speed
drum
control device
laundry drum
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
EP16715544.9A
Other languages
German (de)
English (en)
Other versions
EP3320136B1 (fr
Inventor
Rodrigo FERRAZ MAINA
Cornelia Witt
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
Original Assignee
BSH Hausgeraete GmbH
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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL16715544T priority Critical patent/PL3320136T3/pl
Publication of EP3320136A1 publication Critical patent/EP3320136A1/fr
Application granted granted Critical
Publication of EP3320136B1 publication Critical patent/EP3320136B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
    • 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
    • D06F2103/18—Washing liquid level
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
    • 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
    • D06F2105/10—Temperature of washing liquids; Heating means therefor
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed

Definitions

  • the present invention relates to a laundry care device and a
  • a laundry care device is in the context of the present invention, in particular a washing machine, but may also be, for example, a machine for rinsing and / or impregnating laundry items. These other functions can also be integrated in a washing machine.
  • a detergent from a detergent receptacle is rinsed together with fresh water in the laundry drum of the laundry care device to the existing laundry items in the laundry drum with the mixture of detergent and fresh water, which is also referred to herein as alkali or washing liquid, to wet.
  • alkali or washing liquid which is also referred to herein as alkali or washing liquid
  • DE3401899A1 To provide laundry with the washing liquid, it is e.g. From DE3401899A1 known to dissipate by means of a pumping device washing liquid from the laundry drum or a tub connected to the laundry drum and applied via a nozzle again on the laundry items in the laundry drum.
  • DE3401899A1 also describes a heating element which is located at the bottom of the
  • Lye container is arranged and with which the washing liquid can be heated to a target temperature.
  • the object is achieved by
  • Laundry-care device with a rotatably mounted laundry drum for receiving items of laundry, a drive motor for rotating the laundry drum, a recirculation device for recirculating washing liquid out of the laundry drum and back into the laundry drum, a heating element for heating the washing liquid and a control device for activating the drive motor, the Umpumpvorides and the heating element according to a in operation on the
  • control device running laundry maintenance program.
  • the control device is designed, as part of the laundry care program, which provides phases in which the laundry drum is rotated at a speed in the range of application speeds and the pumping device is active, the pumping device when starting the speed of the laundry drum to activate only when the Speed of
  • Wash drum exceeds a first speed threshold.
  • the technical advantage is achieved that can be ensured without great technical effort that in the laundry drum or a tub in which the laundry drum is rotatably mounted, the amount of
  • washing liquid is always large enough that the pump of Umpumpvor substances can be operated smoothly, so in particular no air pulls. At speeds of the laundry drum below the first speed threshold, it may happen that the majority of the washing liquid is bound in the laundry.
  • the control device is designed to deactivate the pumping device during the shutdown of the speed of the laundry drum when the speed of the laundry drum a second
  • Drum drum is rotatably mounted, the amount of washing liquid is always large enough that the pump of Umpumpvortechnisch can be operated smoothly, so in particular no air pulls.
  • the first speed threshold may be equal to the second speed threshold.
  • Speed threshold should preferably be greater than about 50 U / min.
  • Applying speed may be, for example, in a range of about 80 to about 500 U / min.
  • control device is adapted to continuously adapt the first and / or the second speed threshold to the amount of washing liquid in the washing drum, wherein for a larger amount of the washing liquid, the first and / or the speed threshold is lowered and for a smaller amount the washing liquid of the first and / or the second
  • Speed threshold is increased.
  • the technical advantage is achieved, for example, that the laundry care program can be better adapted to a particular wash cycle, which is essentially defined by the type and amount of laundry items.
  • control device is designed to deactivate the circulating pump when the heating element is activated, as soon as the amount of washing liquid in the washing drum or the tub under a
  • Minimum amount threshold falls.
  • an additional protection mechanism is provided which protects the heating element from overheating by always covering it with washing liquid.
  • the laundry care device further comprises a pressure sensor, which is adapted to the pressure of the washing liquid in the
  • Heating element to disable the pumping device as soon as the from the pressure sensor detects pressure falls below a pressure threshold.
  • control device is adapted to a cycle in which the rotation of the laundry drum is raised to an application speed and lowered again, the transfer device above the first
  • Threshold activated and deactivated below the second speed threshold and the heating element is enabled to perform at least two times in a row.
  • control device is adapted to the cycle in which the rotation of the laundry drum is raised to an application speed and lowered again, the pumping device above the first
  • Threshold activated and deactivated below the second speed threshold and the heating element is activated, to be repeated until a substantially uniform temperature distribution at a desired target temperature is reached.
  • the advantage is achieved that a uniform temperature distribution is generated in the washing liquid and the laundry items.
  • the controller is configured to deactivate the heating element and raise the rotation of the laundry drum at least once more to an apply speed and again
  • Umpumpvortechnische is activated and below the second speed threshold, the transfer pump is deactivated.
  • the advantage is achieved that a uniform temperature distribution in the washing liquid and the
  • the object is achieved by a
  • Laundry drum for picking up laundry
  • a drive motor for Rotating the laundry drum
  • a recirculation pump for recirculating
  • washing liquid out of the laundry drum and back into the laundry drum, a heating element for heating the washing liquid and a
  • Control device for driving the drive motor, the pumping device and the heating element according to a running in operation on the control device
  • the laundry care process comprises the steps within the laundry care program, which provides phases in which the
  • Drum is rotated at a speed in the range of application speeds and the pumping device is active to activate the pumping when starting the speed of the laundry drum only when the speed of the laundry drum exceeds a first speed threshold.
  • the technical advantage is achieved that can be ensured without great technical effort that in the laundry drum or a tub in which the laundry drum is rotatably mounted, the amount of
  • washing liquid is always large enough that the pump of Umpumpvortechnisch can be operated smoothly, so in particular no air pulls. At speeds of the laundry drum below the first speed threshold, it may happen that the majority of the washing liquid is bound in the laundry.
  • the control device deactivates the
  • the technical advantage is achieved that can be ensured without great technical effort that in the laundry drum or a tub in which the laundry drum is rotatably mounted, the amount of
  • Washing liquid is always large enough that the pump of Umpumpvortechnisch can be operated smoothly, so in particular no air pulls.
  • the first speed threshold may be equal to the second speed threshold.
  • Speed threshold should preferably be greater than about 50 U / min.
  • Applying speed may be, for example, in a range of about 80 to about 500 U / min.
  • the control device adjusts the first and / or the second speed threshold continuously to the amount of washing liquid in the washing drum or the tub, wherein for a larger amount of
  • Washing liquid of the first and / or the speed threshold is lowered and for a smaller amount of the washing liquid of the first and / or the second
  • Speed threshold is increased.
  • the technical advantage is achieved, for example, that the laundry care program can be better adapted to a particular wash cycle, which is essentially defined by the type and amount of laundry items.
  • control device deactivates the
  • Minimum amount threshold falls.
  • an additional protection mechanism is provided, which protects the heating element from overheating.
  • the laundry care method further comprises the step of detecting the pressure of the washing liquid in the laundry drum, wherein the control device deactivates the circulating pump when the heating element is activated as soon as the detected pressure falls below a pressure threshold.
  • the control device carries out a cycle in which the rotation of the laundry drum is raised to an application speed and lowered again, the circulation pump above the first
  • Threshold activated and deactivated below the second speed threshold and the heating element is activated, at least two times in succession.
  • control device repeats the cycle in which the rotation of the laundry drum is raised to an application speed and lowered again, the circulation pump above the first
  • Threshold activated and deactivated below the second speed threshold and the heating element is activated until a substantially uniform temperature distribution at a desired target temperature is reached.
  • Temperature distribution is generated in the washing liquid and the laundry items.
  • the controller deactivates the heating element as soon as a substantially uniform temperature distribution at the desired target temperature is reached, and the rotation of the laundry drum is at least once again up and down to an application speed, wherein above the first
  • Threshold the pumping device is activated and below the second speed threshold, the transfer pump is deactivated.
  • the advantage is achieved that a uniform temperature distribution is generated in the washing liquid and the laundry items.
  • FIG. 1 is a schematic view of a laundry care device
  • FIG. 2 is an exemplary schematic diagram illustrating the timing of multiple sizes in a laundry care process
  • FIG. 3 is a detail view of a section of the schematic diagram of FIG. 1.
  • Figure 1 shows a schematic representation of a washing machine representative of a general laundry care device 100.
  • the laundry care device 100 in the form of a
  • Washing machine is used for washing laundry and similar laundry with a detergent. If necessary, the washing machine can also be used as a Washer dryer be designed to wash laundry items or similar laundry and dry.
  • Detergent understood in addition to conventional detergents and treatment additives, such as fabric softener, rinse aid or odor control in various forms (liquid, gel, pasty or powdered).
  • the washing machine 100 of Figure 1 includes in a machine housing 102 fixed in the machine housing tub 104.
  • a laundry drum 106 is rotatably mounted in the tub 104 about a horizontal axis of rotation and can be rotated by means of a drive motor 105 at different speeds in rotation, via a electronic control device 1 18 is controlled.
  • Laundry drum 106 are indicated in Figure 1 laundry items 108 which are raised by the driver 1 10 on the inside of the laundry drum 106 during rotation of the laundry drum 106 and fall down again. Thereby finds when rotating the
  • Laundry drum 106 a constant redeployment of the laundry items 108 instead.
  • Fresh water can by means of a Ein Hughesvorraum 1 14, for example in the form of an inlet valve, from a fresh water line 1 12 through a detergent container 1 16, which may be formed, for example, as Ein Stammschale and conventional detergents and treatment additives, such as fabric softener, rinse aid,
  • Odor improver or other laundry treatment agent in various forms may contain, either directly (as shown schematically in Figure 1) or introduced via the tub 104 in the laundry drum 106.
  • the mixture of fresh water and detergent is referred to herein as washing liquor or liquor.
  • the dispenser 1 14 is also connected to the electronic control device 1 18.
  • the tub 104 is provided at its lower end with a downwardly formed trough 128, which forms a heating chamber 130.
  • an electric heating element 132 is arranged, preferably a tubular heater, with which the washing liquid in the tub 104 can be heated. To control the electric heating element 132, this is also with the electronic
  • Control device 1 18 connected, as shown schematically in Figure 1.
  • a tub outlet 134 is provided, which is connected on the one hand to a transfer pump 120 and on the other hand to a pump-down 144.
  • the pumping device 120 which in particular serves to wash the laundry items 108 several times with the washing liquid, comprises a pump 122, a suction line 124 on the suction side and a pressure line 126 on the pressure side of the pump 122.
  • the pumping device 120 By means of the pumping device 120, the washing liquid from the lower end of the tub 104 back into the laundry drum 106 on the laundry items 108 are recirculated.
  • the washing liquid supplied via the pressure line 126 to the transfer pump device 120 is applied via a nozzle to the laundry items 108 in the laundry drum 106.
  • the electronic control device 1 for controlling the circulating pump 120, in particular the pump 122, this is also connected to the electronic control device 1 18, as shown schematically in Figure 1.
  • the pump-down device 144 which serves in particular to pump out washing liquid located in the tub 104 and to discharge it from the washing machine 100, comprises a pump 142 with a suction line 140 and a pressure line 146.
  • a pump 142 for controlling the pump-down device 144, in particular the pump 142, this can also be used be connected to the electronic control device 1 18.
  • Laundry Applicator 100 will be described below in detail in the context of a laundry care process according to the invention with further reference to FIGS. 2 and 3
  • FIG 2 shows a schematic diagram illustrating the time course of several sizes in a laundry care process according to the invention, namely the time course of the activity of the pump 122 of the pumping device 120 (ie pump 122 on or off), the speed of the laundry drum 106 and the temperature of the washing liquid ,
  • the control device 1 18 is designed, as part of the laundry care program, which provides phases in which the laundry drum 106 is rotated at a speed in the range of application speeds and the Umpumpvorraum 120 is activated, the Umpumpvorides 120 when starting the speed of the laundry drum 106th to activate only when the speed of the laundry drum 106 exceeds a first speed threshold.
  • two such phases are shown, in which the laundry drum 106 at a speed in the range of
  • Washing liquid is always large enough that the pump 122 of the transfer pump 120 can be operated smoothly, so in particular no air pulls. At speeds of the laundry drum 106 below the first speed threshold, it may happen that most of the wash fluid is bound in the laundry.
  • control device 1 18 is designed to deactivate the pumping device 120 when moving down the speed of the laundry drum 106 when the speed of the laundry drum 106 a second
  • the first speed threshold may be equal to the second speed threshold.
  • Speed threshold should preferably be greater than about 50 U / min.
  • Applying speed may be, for example, in a range of about 80 to about 500 U / min.
  • the control device 1 18 is adapted to the first and / or the second speed threshold continuously to the amount of washing liquid in the washing drum 106 and / or the tub 104
  • the technical advantage is achieved that the laundry care program can be better adapted to a respective wash cycle, which is essentially defined by the type and quantity of the laundry items 108.
  • the control device 1 18 is designed to deactivate the transfer device 120 when the heating element 132 is activated as soon as the amount of washing liquid in the washing drum 106 or the tub 104 falls below a minimum amount threshold.
  • an additional protection mechanism is provided, which is the
  • Heating element 132 protects against overheating.
  • the laundry care device 100 further comprises a pressure sensor, which is adapted to the pressure of the washing liquid in the
  • Control device 1 18 is designed to, when activated heating element 132 the
  • Circulating pump 120 to deactivate as soon as the pressure detected by the pressure sensor falls below a pressure threshold.
  • the advantage is achieved that with technically simple means an additional protection mechanism is provided, which protects the heating element 132 against overheating.
  • control device 18 is designed to activate a cycle in which the rotation of the laundry drum 106 is raised to an application speed and lowered again, the circulation pump 120 is activated above the first speed threshold and below the second
  • Speed threshold is disabled and the heating element 132 is activated to perform at least two times in a row.
  • the advantage is achieved that a more uniform temperature distribution in the washing liquid and the
  • control device 18 is configured to activate the cycle in which the rotation of the laundry drum 106 is raised to an application speed and lowered again, the circulation pump 120 is activated above the first speed threshold and below the second
  • Speed threshold is disabled and the heating element 132 is activated to repeat until a substantially uniform temperature distribution at a desired target temperature is reached.
  • Laundry items 108 is generated.
  • the controller 1 18 is configured to deactivate the heater 132 and to at least once again ramp up the laundry drum 106 to an apply speed and down again, wherein above the first Speed threshold the
  • Umpumpvortechnischigan 120 is activated and below the second speed threshold, the transfer device 120 is deactivated. Thereby, for example, the advantage is achieved that a uniform temperature distribution in the washing liquid and the laundry items 108 is generated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

Appareil d'entretien du linge (100) comprenant un tambour (106) monté rotatif, destiné à recevoir du linge (108), un moteur d'entraînement (105) servant à mettre en rotation le tambour (106), une pompe de recirculation (120) servant à effectuer une recirculation du liquide de lavage, un élément chauffant (132) servant à chauffer le liquide de lavage et un dispositif de commande (118) servant à commander le moteur d'entraînement (105), la pompe de recirculation (120) et l'élément de chauffage (132) selon un programme d'entretien du linge exécuté pendant le fonctionnement sur le dispositif de commande (118), ce dernier étant conçu pour activer la pompe de recirculation (120) lors de l'élévation de la vitesse de rotation du tambour (106) lorsque cette dernière dépasse une valeur seuil de vitesse de rotation.
EP16715544.9A 2015-07-08 2016-04-11 Appareil et procédé d'entretien du linge Active EP3320136B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16715544T PL3320136T3 (pl) 2015-07-08 2016-04-11 Urządzenie do przetwarzania prania i sposób przetwarzania prania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015212738.9A DE102015212738A1 (de) 2015-07-08 2015-07-08 Wäschepflegegerät und Wäschepflegeverfahren
PCT/EP2016/057916 WO2017005382A1 (fr) 2015-07-08 2016-04-11 Appareil et procédé d'entretien du linge

Publications (2)

Publication Number Publication Date
EP3320136A1 true EP3320136A1 (fr) 2018-05-16
EP3320136B1 EP3320136B1 (fr) 2020-01-29

Family

ID=55701986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16715544.9A Active EP3320136B1 (fr) 2015-07-08 2016-04-11 Appareil et procédé d'entretien du linge

Country Status (5)

Country Link
EP (1) EP3320136B1 (fr)
CN (1) CN107849776B (fr)
DE (1) DE102015212738A1 (fr)
PL (1) PL3320136T3 (fr)
WO (1) WO2017005382A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016212489A1 (de) * 2016-07-08 2018-01-11 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102017213671B3 (de) * 2017-08-07 2018-10-11 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung sowie Verfahren zur Pflege von Wäsche
DE102017219042A1 (de) * 2017-10-25 2019-04-25 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102019117282A1 (de) * 2019-06-27 2020-12-31 Miele & Cie. Kg Verfahren zum Betreiben einer Waschmaschine und Waschmaschine
DE102022203626A1 (de) 2022-04-11 2023-10-12 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung und ein Verfahren zum Pflegen von Wäsche

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401899A1 (de) 1984-01-20 1985-07-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Trommelwaschmaschine fuer den haushalt
IT1204219B (it) * 1986-03-11 1989-03-01 Zanussi Elettrodomestici Procedimento di trattamento della biancheria e macchina lavabiancheria che realizza tale procedimento
DE19935987A1 (de) 1999-07-30 2001-02-01 Bsh Bosch Siemens Hausgeraete Wäschebehandlungsmaschine
DE102004004104A1 (de) * 2003-12-23 2005-07-28 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit alternierendem Pumpenbetrieb
US7941885B2 (en) * 2006-06-09 2011-05-17 Whirlpool Corporation Steam washing machine operation method having dry spin pre-wash
DE102008046465A1 (de) * 2008-09-09 2010-03-11 Miele & Cie. Kg Verfahren zum Betreiben einer Waschmaschine und Waschmaschine
EP2246469B1 (fr) * 2010-02-16 2012-07-11 V-Zug AG Procédé de functionnement d'un lave-linge et lave-linge doté d'une pompe à circulation et d'une phase d'essorage
EP2703537A1 (fr) * 2012-08-29 2014-03-05 Electrolux Home Products Corporation N.V. Procédé de lavage du linge dans une machine à laver le linge et machine à laver le linge
DE102014104962A1 (de) * 2014-04-08 2015-10-08 Miele & Cie. Kg Wasserzulaufsteuerung und Waschvollautomat

Also Published As

Publication number Publication date
CN107849776A (zh) 2018-03-27
PL3320136T3 (pl) 2020-07-13
CN107849776B (zh) 2020-08-07
DE102015212738A1 (de) 2017-01-12
WO2017005382A1 (fr) 2017-01-12
EP3320136B1 (fr) 2020-01-29

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