EP3103907B1 - Commande d'amenee d'eau pour un automate de lavage - Google Patents

Commande d'amenee d'eau pour un automate de lavage Download PDF

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Publication number
EP3103907B1
EP3103907B1 EP16169326.2A EP16169326A EP3103907B1 EP 3103907 B1 EP3103907 B1 EP 3103907B1 EP 16169326 A EP16169326 A EP 16169326A EP 3103907 B1 EP3103907 B1 EP 3103907B1
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EP
European Patent Office
Prior art keywords
water supply
water
washing
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.)
Active
Application number
EP16169326.2A
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German (de)
English (en)
Other versions
EP3103907A1 (fr
Inventor
Markus Drücker
Dirk Sieding
Patrick Dummeier
Felix Schäfer
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.)
Miele und Cie KG
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Miele und Cie KG
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Publication of EP3103907A1 publication Critical patent/EP3103907A1/fr
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    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/14—Supply, recirculation or draining of washing liquid
    • 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
    • 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

Definitions

  • the invention relates to a water supply control for a washing machine with a washing drum rotatably driven in a tub and a circulating system for spraying the required for the wet washing, fed in individual feed cycles water in the laundry located in the washing drum.
  • a water supply control is known in which the start of the washing program, first the mass of the introduced into the washing drum laundry is determined and in a first water supply cycle on the basis of the loading amount of a certain amount of water is supplied.
  • wet washing which is carried out with a lying below the saturation moisture of the laundry, the water in the washing process is bound in the laundry.
  • the lye taken up by the laundry to achieve a uniform moisture content of the laundry and a uniform distribution of the detergent is expelled by Umwutschleudern and a Umflutsystem that a Umflutpumpe and a Umfluttechnisch covered with spray head, sprayed back into the laundry.
  • the water inlet takes place in a set for the respective wash program number of water inlet cycles. The number of cycles is determined so that the required amount of water is available for the washing process with sufficient certainty for all loading situations.
  • the number of water supply cycles and the total amount of water supplied is matched to the maximum possible load of the washing machine, so that at a low load the moisture required for the dampening process already after a set number of water supply cycles, for example, after only two cycles , is reached and the subsequent cycles are superfluous.
  • the water supply phase is unnecessarily extended and the heating process can begin later.
  • the washing program in question is thus carried out in a period of time which is not necessarily long, involving a higher mechanical load on the washing machine during the spin-up and flooding and an increased energy consumption.
  • the invention is therefore based on the object to make the water intake phase for the wet washing in a washing machine so that the mechanical load on the washing machine and the energy consumption and the duration of the wash program are kept low overall.
  • the basic idea of the invention is that, to control the water feed carried out in individual cycles, first a load recognition of the laundry located in the washing drum is carried out and the number of water supply cycles, each comprising a water supply phase, a reversing phase for re-sorting the laundry and a drum acceleration phase for circulating , and their time course are variably adapted to the determined loading amount.
  • the mass of the laundry introduced into the washing drum is first determined with the start of the washing program, and a certain amount of water is supplied in a first water supply cycle on the basis of the loading quantity.
  • a certain amount of water is supplied in a first water supply cycle on the basis of the loading quantity.
  • temporally adjusted reversing phase .DELTA.t1 of the washing drum water is absorbed by the laundry during re-sorting and in a subsequent drum acceleration phase .DELTA.t2 completely distributed by flooding in the laundry and expelled again at a high drum acceleration.
  • the expelled amount of water is determined and compared with a predetermined by the loading amount of water to either stop the water supply and start the heating process or to connect additional water supply cycles II to n until reaching the predetermined amount of water.
  • the proposed water supply control the time required for the water supply and the redistribution of the laundry and the equalization of the moisture is adapted to the load, so that the heating step can be initiated at the earliest possible time and can be washed quickly at high temperatures. This improves the washing performance and the wet washing process can also be used for short programs.
  • the reduction in the number of water supply cycles and the reversing or redistribution phase in the respective cycle with smaller load quantities reduces the mechanical load on the washing machine and is also associated with an energy saving.
  • the loading amount is determined in an inertia process by a performance evaluation of the loaded washing drum during an acceleration phase and a plateau phase.
  • a basic amount of water is first supplied in this process and distributed before the acceleration phase by flooding in the laundry.
  • the loading amount can also be calculated on the basis of a measurement of the lowering of the washing unit loaded with the laundry.
  • the amount of water expelled in the drum high-acceleration phase of the respective water supply cycle I to n is calculated on the basis of the water level determined in the tub with a pressure measuring device.
  • the washing machine shown comprises a tub 1 with a rotatably mounted in this, to a drive device (not shown) coupled washing drum 2.
  • the connected to a spray head 7 free end of the Umflut réelle 5 opens into the on a spring and damping system (not shown) movably suspended, formed from the tub 1 and the laundry drum 2 washing unit.
  • the fresh water required for the wet washing is introduced via the dispenser box 8 of the washing machine together with the detergent located in the dispenser in the washing unit with the inserted into the washing drum 2 9 laundry.
  • a heater 10 for heating the liquor for the washing process and a pressure sensor 11 for determining the water level in the tub 1 are arranged.
  • Fig. 2 shows an exemplary sequence of the fresh water supply to the washing unit, which includes a base water inlet cycle with 4 kg in the washing drum laundry and then three consecutive water supply cycles I, II and III. In the drawing, the time course of the drum speed is shown in the respective water supply cycle.
  • the washing unit in a base water supply cycle a predetermined amount of water, in the present embodiment, two liters, fed and sprayed via the Umfluttechnisch 5 and the spray head 7 in the redistributed during a Reversier plantes the washing drum 2 9 laundry.
  • the washing drum is first raised slowly and then accelerated to a speed of about 600 U / min.
  • a performance evaluation of the drum drive is carried out with the aid of the control and evaluation unit assigned to the washing machine, from which the loading of the washing drum is determined.
  • the water supply cycle I following the base water feed cycle comprising the charge detection comprises a period ⁇ t1 (variable reversing period) in which the washing drum 2 is operated in reversing rhythm.
  • a quantity of water determined on the basis of the loading quantity is supplied, lye standing above the lower edge of the washing drum 2 in the tub 1 is absorbed by the laundry 9.
  • the laundry is reorganized and rearranged to create the conditions for a uniform distribution of alkali and detergent in the laundry.
  • the duration of the reversing phase is variable and is set by the control unit of the washing machine on the basis of the determined in the base water supply cycle load.
  • a large load requires a long reversing phase .DELTA.t1, while the laundry with a small load and space in the washing drum in a shorter period .DELTA.t1 can be rearranged to ensure a uniform distribution of the liquor in the laundry.
  • the period ⁇ t2 (drum acceleration phase) following the period ⁇ t1 first comprises a flooding phase in conjunction with a gradual increase in drum speed, in which the liquor present in the tub 1 is sprayed into the laundry 9 by means of the circulating system, and a drum high acceleration phase of, for example, 60 U / min / s, in which water is expelled according to the moisture level of the laundry and immediately sprayed back into the laundry with the help of the circulating system.
  • the liquid level in the tub 1 is determined by means of the pressure sensor 11 and determined by means of the control and evaluation of the washing machine whether the expelled amount of water already corresponds to the optimal amount of water required for the respective washing process and the determined load.
  • the drum high-acceleration phase can be stopped and the water supply already in the first water supply cycle I stopped. That is, with a low loading amount, after just a short time, here about 200 seconds, the heating can be switched on and the washing process can be carried out.
  • the water inlet cycle I corresponding water inlet cycle II connects, in the beginning of the reversing phase .DELTA.t1 first a certain Amount of water is refueled. As long as in the current water supply cycle at the end of the drum acceleration phase .DELTA.t2 the optimal amount of water based on the measured load amount has not yet been reached, further water supply cycles III to n are performed.
  • a number of water supply cycles tuned to the load of the laundry drum determined in the basic water supply cycle are performed. That is, the smaller the calculated amount of charge, the lower the number of water supply cycles and the time required for the water supply. For example, for a load of six kilograms, four to five water supply cycles are required, whereas for example, for a load of two kilograms, only two to three water supply cycles are required to provide the optimum amount of water.
  • the duration of the variable reversing phase ⁇ t1 also decreases, so that the period for the water supply can be further reduced overall. While in the reversing phase ⁇ t1 at a higher loading amount (for example, 6 kg) for the uniform moistening of the laundry is required 60 to 90 seconds, with the loading amount of 2 kg already 15 to 30 seconds are sufficient.

Landscapes

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

Claims (7)

  1. Commande d'alimentation en eau pour un lave-linge avec un tambour de lavage (2) entraîné en rotation dans une cuve de lessivage (1) et avec un système de circulation (5, 6, 7) pour la pulvérisation de l'eau nécessaire pour le lavage humide et acheminée en cycles d'alimentation en eau individuels I à n dans le linge (9) présent dans le tambour de lavage (2), dans laquelle, avec le démarrage du programme de lavage, la masse du linge (9) mis en place dans le tambour de lavage (2) est d'abord déterminée et, dans un premier cycle d'alimentation en eau I, sur la base de la quantité de chargement, une quantité d'eau définie est acheminée et, dans une phase d'inversion Δt1 variable du tambour de lavage (2) adaptée temporellement à la quantité de chargement, est aspirée à partir du linge lors du réarrangement et, dans une phase d'accélération du tambour Δt2 qui suit, est d'abord complètement distribuée par immersion dans le linge (9) et, pendant une accélération verticale du tambour, est de nouveau expulsée, dans laquelle la quantité d'eau expulsée est déterminée et comparée à une quantité d'eau prédéfinie par la quantité de chargement, soit pour terminer l'alimentation en eau et lancer le processus de chauffage, soit pour ajouter d'autres cycles d'alimentation en eau II à n jusqu'à l'obtention de la quantité d'eau prédéfinie.
  2. Commande d'alimentation en eau selon la revendication 1, caractérisée en ce que la quantité de chargement est déterminée dans un procédé d'inertie de masse par une analyse de performance du tambour de lavage chargé pendant une phase d'accélération et une phase de plateau.
  3. Commande d'alimentation en eau selon la revendication 2, caractérisée en ce que, pour ménager le linge, une quantité d'eau de base est acheminée et est distribuée avant la phase d'accélération par immersion dans le linge.
  4. Commande d'alimentation en eau selon la revendication 1, caractérisée en ce que la quantité de chargement est calculée sur la base d'une mesure de l'abaissement du groupe de lavage chargé avec le linge.
  5. Commande d'alimentation en eau selon la revendication 1, caractérisée en ce que la quantité de chargement est déterminée à l'aide d'un procédé de pesage avec utilisation de boîtes dynamométriques mises en place sur le lave-linge.
  6. Commande d'alimentation en eau selon la revendication 1, caractérisée en ce que la quantité d'eau expulsée dans la phase d'accélération verticale du cycle d'alimentation en eau individuel I à n respectif est calculée au moyen du niveau d'eau déterminé avec un dispositif de mesure de pression dans la cuve de lessivage (1).
  7. Commande d'alimentation en eau selon la revendication 1, caractérisée en ce que l'eau est expulsée et immergée de façon répétée dans la phase d'accélération du tambour Δt2.
EP16169326.2A 2015-06-08 2016-05-12 Commande d'amenee d'eau pour un automate de lavage Active EP3103907B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015108951.3A DE102015108951A1 (de) 2015-06-08 2015-06-08 Wasserzulaufsteuerung für einen Waschautomaten

Publications (2)

Publication Number Publication Date
EP3103907A1 EP3103907A1 (fr) 2016-12-14
EP3103907B1 true EP3103907B1 (fr) 2017-09-13

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EP16169326.2A Active EP3103907B1 (fr) 2015-06-08 2016-05-12 Commande d'amenee d'eau pour un automate de lavage

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EP (1) EP3103907B1 (fr)
DE (1) DE102015108951A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111058220A (zh) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 一种洗衣机及其控制方法

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
TWI730221B (zh) * 2017-02-24 2021-06-11 日商松下知識產權經營股份有限公司 洗衣機及其控制裝置
DE102018100125A1 (de) * 2018-01-04 2019-07-04 Miele & Cie. Kg Wasserzulaufsteuerung und Waschautomat
DE102023201349B3 (de) 2023-02-16 2024-03-21 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb einer Waschmaschine und Waschmaschine

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DE4332225B4 (de) * 1993-06-07 2006-09-28 BSH Bosch und Siemens Hausgeräte GmbH Automatisch gesteuerte Waschmaschine
DE10234473A1 (de) * 2002-07-29 2004-02-12 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum beschleunigten Benetzen von Wäsche in einer Trommelwaschmaschine
DE102009029240A1 (de) * 2009-09-07 2011-03-10 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Behandlung von Wäsche sowie hierzu geeignete programmgesteuerte Waschmaschine
KR101687544B1 (ko) * 2009-09-21 2016-12-19 엘지전자 주식회사 세탁 방법 및 세탁기
EP2348151B1 (fr) * 2010-01-25 2017-07-05 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge avec un dispositif d'écoulement
KR102206465B1 (ko) * 2013-07-18 2021-01-21 엘지전자 주식회사 세탁기 및 그 제어방법
KR20150052697A (ko) * 2013-11-06 2015-05-14 삼성전자주식회사 세탁기 및 그 제어방법
DE102014104962A1 (de) * 2014-04-08 2015-10-08 Miele & Cie. Kg Wasserzulaufsteuerung und Waschvollautomat

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111058220A (zh) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 一种洗衣机及其控制方法

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EP3103907A1 (fr) 2016-12-14
DE102015108951A1 (de) 2016-12-08

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