EP2374924A3 - Method for operating a laundry treatment device - Google Patents

Method for operating a laundry treatment device Download PDF

Info

Publication number
EP2374924A3
EP2374924A3 EP11002719A EP11002719A EP2374924A3 EP 2374924 A3 EP2374924 A3 EP 2374924A3 EP 11002719 A EP11002719 A EP 11002719A EP 11002719 A EP11002719 A EP 11002719A EP 2374924 A3 EP2374924 A3 EP 2374924A3
Authority
EP
European Patent Office
Prior art keywords
drum
loading opening
unbalance
imbalance
signal
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
EP11002719A
Other languages
German (de)
French (fr)
Other versions
EP2374924A2 (en
EP2374924B1 (en
Inventor
Martin Rieser
Martin Weinmann
Hartmut Wauer
Nicola-Valeriu Olarescu
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.)
Diehl AKO Stiftung and Co KG
Original Assignee
Diehl AKO Stiftung and Co KG
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 Diehl AKO Stiftung and Co KG filed Critical Diehl AKO Stiftung and Co KG
Publication of EP2374924A2 publication Critical patent/EP2374924A2/en
Publication of EP2374924A3 publication Critical patent/EP2374924A3/en
Application granted granted Critical
Publication of EP2374924B1 publication Critical patent/EP2374924B1/en
Not-in-force 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • 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
    • D06F34/16—Imbalance
    • 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
    • D06F2103/26—Imbalance; Noise 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
    • 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 
    • D06F33/48—Preventing or reducing imbalance or noise

Landscapes

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

Abstract

Bei einem Verfahren zum Betrieb eines Wäschebehandlungsgerätes mit einer um eine Drehachse (3) drehbaren Trommel (2) zum Behandeln von Wäsche und einer in der Umfangswand der Trommel (2) angeordneten Ladeöffnung (4) werden ein Positionssignal, welches eine Drehstellung der Ladeöffnung (4) der Trommel (2) angibt, ein Unwuchtsignal, welches eine Unwucht der Trommel (2) angibt, und eine Phasendifferenz zwischen dem Positionssignal und dem Unwuchtsignal bestimmt. Wenn die Phasendifferenz zwischen dem Positionssignal und dem Unwuchtsignal in einem vorbestimmten Bereich liegt, wird eine für die Ladeöffnung (4) kritische Unwucht der Trommel (2) erkannt. Wenn auf diese Weise sichergestellt werden kann, dass eine vorhandene Unwucht nicht direkt die Ladeöffnung (4) der Trommel (2) belastet, ist es zum Beispiel möglich, bei einer vorhandenen Unwucht mit größeren Drehzahlen zu schleudern und/oder die Ladeöffnung (4) einfacher auszugestalten.

Figure imgaf001
In a method for operating a laundry treatment appliance having a drum (2) rotatable about an axis of rotation (3) for treating laundry and a loading opening (4) arranged in the peripheral wall of the drum (2), a position signal indicating a rotational position of the loading opening (4 ) of the drum (2) indicates an unbalance signal indicative of an imbalance of the drum (2) and a phase difference between the position signal and the unbalance signal. When the phase difference between the position signal and the unbalance signal is within a predetermined range, an imbalance of the drum (2) critical to the loading opening (4) is detected. If it can be ensured in this way that an existing unbalance does not directly load the loading opening (4) of the drum (2), it is for example possible to spin at an existing imbalance at higher speeds and / or the loading opening (4) easier embody.
Figure imgaf001
EP11002719.0A 2010-04-06 2011-04-01 Method for operating a laundry treatment device Not-in-force EP2374924B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010013933A DE102010013933B4 (en) 2010-04-06 2010-04-06 Method for operating a laundry treatment appliance

Publications (3)

Publication Number Publication Date
EP2374924A2 EP2374924A2 (en) 2011-10-12
EP2374924A3 true EP2374924A3 (en) 2012-08-08
EP2374924B1 EP2374924B1 (en) 2015-11-11

Family

ID=44315205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11002719.0A Not-in-force EP2374924B1 (en) 2010-04-06 2011-04-01 Method for operating a laundry treatment device

Country Status (2)

Country Link
EP (1) EP2374924B1 (en)
DE (1) DE102010013933B4 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743657A1 (en) * 1987-12-22 1989-07-06 Bosch Siemens Hausgeraete Laundry drum for a washing and spinning machine
EP0433157A1 (en) * 1989-12-15 1991-06-19 Ciapem Method of stopping a washing machine drum with the door of the drum aligned with the washing machine door, and washing machine implementing such a method
EP0736625A1 (en) * 1995-04-06 1996-10-09 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Improvement in the unbalance-preventing means of a top-loading clothes washing machine
DE102006036133B3 (en) * 2006-08-01 2007-09-06 Miele & Cie. Kg Case loading washing machine or top loading horizontal axis washing machine has drum, and reinforcing medium formed as separate part is provided for hardening of opening area around filler opening

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2102985A (en) 1981-07-31 1983-02-09 Philips Electronic Associated Drum speed control system for a washing machine
DE4221772A1 (en) 1992-07-02 1994-01-05 Licentia Gmbh Registering imbalance in household washing machines - by measuring speed fluctations of the two reversing directions of rotation in washing and rinsing processes, etc.
US5375282A (en) 1993-09-20 1994-12-27 General Electric Company System and method for detecting and interrupting an out-of-balance condition in a washing machine
DE10242854B3 (en) 2002-09-14 2004-07-01 Diehl Ako Stiftung & Co. Kg Control system for washing drum of top loading washing machine stops drum at desired angle with loading aperture at top and uses sensors and electronic circuits regulating short drive phases

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3743657A1 (en) * 1987-12-22 1989-07-06 Bosch Siemens Hausgeraete Laundry drum for a washing and spinning machine
EP0433157A1 (en) * 1989-12-15 1991-06-19 Ciapem Method of stopping a washing machine drum with the door of the drum aligned with the washing machine door, and washing machine implementing such a method
EP0736625A1 (en) * 1995-04-06 1996-10-09 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Improvement in the unbalance-preventing means of a top-loading clothes washing machine
DE102006036133B3 (en) * 2006-08-01 2007-09-06 Miele & Cie. Kg Case loading washing machine or top loading horizontal axis washing machine has drum, and reinforcing medium formed as separate part is provided for hardening of opening area around filler opening

Also Published As

Publication number Publication date
EP2374924A2 (en) 2011-10-12
DE102010013933A1 (en) 2011-10-06
DE102010013933B4 (en) 2011-11-24
EP2374924B1 (en) 2015-11-11

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