EP2952620B1 - Procédé de fonctionnement d'une centrifugeuse et centrifugeuse - Google Patents

Procédé de fonctionnement d'une centrifugeuse et centrifugeuse Download PDF

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Publication number
EP2952620B1
EP2952620B1 EP15001496.7A EP15001496A EP2952620B1 EP 2952620 B1 EP2952620 B1 EP 2952620B1 EP 15001496 A EP15001496 A EP 15001496A EP 2952620 B1 EP2952620 B1 EP 2952620B1
Authority
EP
European Patent Office
Prior art keywords
drum
laundry
weight
time
spin
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
EP15001496.7A
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German (de)
English (en)
Other versions
EP2952620A1 (fr
Inventor
Frank Heisenberger
Carsten Haarhaus
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 EP2952620A1 publication Critical patent/EP2952620A1/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
    • D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
    • 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
    • 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
    • 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
    • D06F34/18—Condition of the laundry, e.g. nature or weight

Definitions

  • the invention relates to a method for operating a spinning machine with a drum, in which in a spin phase laundry in the drum is thrown and a weight of the laundry in the drum at several times in the spin phase is determined.
  • the EP 2 056 079 A2 describes a method for operating a spinning machine with a drum according to the preamble of claim 1 and a spinning machine according to the preamble of claim 8.
  • the EP 2 607 542 A2 describes a method of operating a spinning machine with a drum in which in a spin phase laundry is spun in the drum and a weight of the laundry in the drum at several times in the spin phase is determined.
  • the weight (or inertia) of the laundry and the drum and the rotational speed of the drum are measured at two different successive times. From this, the force acting on the drum is calculated.
  • This calculated force value is then compared with a reference force value.
  • the rotation of the drum is stopped when the calculated force value exceeds the reference force value.
  • the spin phase is terminated when a weight difference between two weights determined at two different times is less than a predetermined weight difference. Because the weights are measured at two different times in the spin phase and the weight difference is determined therefrom, the weight difference is independent of a weight determined before a washing or spinning process. Rather, the weight difference is a measure of a current amount of dewatering, from which it can be deduced whether the laundry should continue to be thrown or the spin phase can be terminated.
  • the achievable with the present invention consist in addition to the adaptation of the spin time to the dewatering amount in the achievement of repeatable residual moisture regardless of the spin speed.
  • shorter spin times can be achieved, which is the case with a washing machine or a tumble dryer leads to shorter overall program times.
  • both the laundry due to lower mechanical stress and wrinkling and the spinner are spared. This results in particular in the spin machine to a lower mechanical load and thus a longer life.
  • the residual moisture content of the laundry can be influenced via a drainage profile.
  • the spin phase is preferably a final spin phase, i. a spin phase after which a washing program is completed and / or after which the laundry is provided for final drying, for example for a dryer or for hanging the laundry.
  • the laundry may not only be laundry of fabric such as clothing, bedding or curtains but also other items to be washed such as floor mats or flip-flops.
  • the two different times are consecutive times at which the weight of the laundry is determined.
  • the respective weights are preferably determined continuously until the end of the spin phase at times, between which a constant or one of the last determined weight difference and / or dewatering amount dependent period of time.
  • a period of time which is in each case between two consecutive times of the plurality of times is constant. That is, the weight is determined at regular intervals.
  • the times at which the weight is determined in the spin phase are predetermined and stored in a software of the spinner.
  • the time interval which is in each case between two successive times of the plurality of times, is set dependent on the determined weight difference.
  • the smaller the weight difference the less water is spewed out of the laundry. Over the spin duration, the proportion of water bound in the wash decreases. Therefore, the smaller the determined weight difference, the smaller the distance between the two consecutive times. That The more the spin phase approaches its end, the more often the weight difference is determined.
  • a speed at which the drum is rotated in the spin phase is constant.
  • the constant speed is one maximum spin speed of the spinner.
  • a defined dewatering quotient can be achieved depending on the laundry and load.
  • a speed at which the drum is rotated in the spin phase is increased stepwise.
  • the speed is increased stepwise up to the maximum spin speed of the spinner.
  • the machine and laundry protection can be increased compared to conventional methods.
  • a rotational speed of the drum is adjusted in dependence on a measurement of an imbalance of the drum.
  • the speed of the drum may possibly be reduced and, at the same time, the spin-drying time may be extended depending on the residual moisture.
  • the laundry can always be adjusted to the same final moisture content or residual alkalinity.
  • the determination of the weight of the laundry in the drum is started in the spin phase. More preferably, the determination of the weight of the laundry in the drum in the spin phase is started when the drum is rotated at a speed equal to or greater than a predetermined speed.
  • the predetermined speed is, for example, the maximum spin speed of the spinner when the rotational speed of the drum in the spin phase is constant.
  • the invention further relates to a spinning machine having a rotatable drum for receiving laundry, a motor for rotating the drum, a sensor means for determining the weight of the laundry in the drum and a control device for controlling a spin phase, which is arranged a spin phase according to the above Control method in one or more of its embodiments.
  • Sensor means for determining the weight of the laundry in the drum or correspondingly designed weighing systems are known. For example, in the EP 1 760 186 A2 a weighing system described.
  • the spinning machine can be a machine used in the commercial sector or a domestic sling machine.
  • the spinner can only be designed for spinning like a laundry centrifuge.
  • the spinner may be designed for washing and spinning laundry such as a washing machine.
  • the spinner may also be a combination device of a washing / spinning and / or drying machine.
  • Fig. 1 shows a method according to the invention over time.
  • the weight of the laundry located in the drum of the spinner is plotted against time.
  • the course of the weight is shown by the curve G.
  • the speed 2 of the drum is increased, so that the drum is rotated in the spin phase at a predetermined speed.
  • the measurement of the weight of the laundry in the drum begins at predetermined times 3.
  • a period of time, which is in each case between two consecutive times 3, is constant. If a weight difference between two consecutive times of 3 detected weights is less than a predetermined weight difference, the weight measurement is terminated. This is the case at the measuring end t e.
  • the end of the spin phase coincides with the end of measurement t e.
  • the rotational speed of the drum 2 at the measuring end t e is set to 0 Umin -1 to terminate the spin-extraction phase.
  • Fig. 2 shows a partial excerpt Fig. 1 who in Fig. 1 is indicated by II.
  • a first weight G1 and second weight G2 of the laundry in the drum is determined.
  • a measuring period t m is between the two consecutive first and second times 3 1 and 3 2 .
  • the spin phase and the determination of the weight of the laundry in the drum are therefore continued. If a determined weight difference is smaller than the predetermined weight difference ⁇ GS, the spin phase is ended; this is in Fig. 2 but not the case.

Landscapes

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

Claims (8)

  1. Procédé destiné au fonctionnement d'une machine à essorer comprenant un tambour, selon lequel du linge est essoré dans le tambour durant une phase d'essorage et un poids du linge (G, G1, G2) dans le tambour est détecté à plusieurs instants (3, 31, 32) lors de la phase d'essorage, dans lequel la phase d'essorage est achevée quand une différence de poids (Δ G1) entre deux poids (G1, G2) détectés à deux instants (31, 32) différents est inférieure à une différence de poids (Δ GS) prédéterminée, caractérisé en ce que les deux instants (31, 32) différents sont des instants (31, 32) consécutifs auxquels le poids (G1, G2) du linge est détecté.
  2. Procédé selon la revendication 1, caractérisé en ce qu'un laps de temps (tm) qui se situe respectivement entre deux instants (31, 32) consécutifs des plusieurs instants (3) est constant.
  3. Procédé selon la revendication 1, caractérisé en ce qu'un laps de temps (tm) qui se situe respectivement entre deux instants (31, 32) consécutifs des plusieurs instants (3) est réglé en fonction de la différence de poids (Δ G1) détectée.
  4. Procédé selon l'une des revendications susmentionnées, caractérisé en ce qu'une vitesse de rotation (2) du tambour est maintenue constante durant la phase d'essorage.
  5. Procédé selon l'une des revendications susmentionnées 1 à 4, caractérisé en ce qu'une vitesse de rotation (2) du tambour est augmentée de façon progressive durant la phase d'essorage.
  6. Procédé selon l'une des revendications susmentionnées, caractérisé en ce que la détection du poids (G, G1, G2) du linge dans le tambour est démarrée durant la phase d'essorage.
  7. Procédé selon la revendication 6, caractérisé en ce que la détection du poids (G, G1, G2) du linge dans le tambour est démarrée durant la phase d'essorage quand le tambour se met à tourner à une vitesse de rotation (2) qui est supérieure ou égale à une vitesse de rotation prédéterminée.
  8. Machine à essorer comprenant un tambour rotatif destiné à la réception du linge, un moteur destiné à assurer la rotation du tambour, un moyen formant capteur destiné à la détection du poids (G, G1, G2) du linge dans le tambour, ainsi qu'un mécanisme de commande destiné à la commande d'une phase d'essorage, caractérisé en ce que le mécanisme de commande est mis en place en vue de commander une phase d'essorage conformément à un procédé selon l'une des revendications 1 à 7.
EP15001496.7A 2014-06-02 2015-05-19 Procédé de fonctionnement d'une centrifugeuse et centrifugeuse Active EP2952620B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014107705.9A DE102014107705A1 (de) 2014-06-02 2014-06-02 Verfahren zum Betreiben einer Schleudermaschine und Schleudermaschine

Publications (2)

Publication Number Publication Date
EP2952620A1 EP2952620A1 (fr) 2015-12-09
EP2952620B1 true EP2952620B1 (fr) 2017-08-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15001496.7A Active EP2952620B1 (fr) 2014-06-02 2015-05-19 Procédé de fonctionnement d'une centrifugeuse et centrifugeuse

Country Status (3)

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EP (1) EP2952620B1 (fr)
DE (1) DE102014107705A1 (fr)
ES (1) ES2641548T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107604591B (zh) * 2017-08-02 2020-09-22 无锡小天鹅电器有限公司 衣物处理装置及用于该衣物处理装置的控制方法及设备
DE102018103933A1 (de) * 2018-02-21 2019-08-22 Miele & Cie. Kg Waschautomat und Verfahren zum Steuern und/oder Regeln eines Schleudervorgangs einer Schleuderphase eines Waschautomaten
EP4089223A1 (fr) 2021-05-13 2022-11-16 Girbau, S.A. Procédé pour commander un cycle de rotation d'une machine à laver et machine à laver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336349A1 (de) * 1993-10-25 1995-04-27 Bosch Siemens Hausgeraete Verfahren zum Bestimmen der Masse von nasser Wäsche in einer Wäschetrommel
DE102005042381A1 (de) 2005-09-06 2007-03-08 Herbert Kannegiesser Gmbh Verfahren und Vorrichtung zum Waschen und/oder Schleudern von Wäsche
DE102006034190A1 (de) * 2006-07-24 2008-01-31 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Bestimmen einer Beladungsmenge eines Wäschebehandlungsgeräts und dazu geeignetes Wäschebehandlungsgerät
US20090106913A1 (en) * 2007-10-30 2009-04-30 Suel Ii Richard D Measuring apparatus and method
EP2616581B1 (fr) * 2010-09-14 2022-01-26 LG Electronics Inc. Procédé de commande d'une machine à laver
US20130160221A1 (en) * 2011-12-22 2013-06-27 Whirlpool Corporation Method for maximizing drum rotational speed by continuously monitoring inertia during extraction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
EP2952620A1 (fr) 2015-12-09
DE102014107705A1 (de) 2015-12-03
ES2641548T3 (es) 2017-11-10

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