EP2199449A2 - Procédé destiné à la commande d'un lave-linge ménager - Google Patents

Procédé destiné à la commande d'un lave-linge ménager Download PDF

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Publication number
EP2199449A2
EP2199449A2 EP09176814A EP09176814A EP2199449A2 EP 2199449 A2 EP2199449 A2 EP 2199449A2 EP 09176814 A EP09176814 A EP 09176814A EP 09176814 A EP09176814 A EP 09176814A EP 2199449 A2 EP2199449 A2 EP 2199449A2
Authority
EP
European Patent Office
Prior art keywords
laundry
pressure
drum
washing machine
exposure time
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
EP09176814A
Other languages
German (de)
English (en)
Other versions
EP2199449B1 (fr
EP2199449A3 (fr
Inventor
Gundula Czyzewski
Marianne Röhl
Ingo Schulze
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2199449A2 publication Critical patent/EP2199449A2/fr
Publication of EP2199449A3 publication Critical patent/EP2199449A3/fr
Application granted granted Critical
Publication of EP2199449B1 publication Critical patent/EP2199449B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • D06F37/04Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06Ribs, lifters, or rubbing means forming part of the receptacle
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14Arrangements for detecting or measuring specific parameters
    • D06F34/18Condition of the laundry, e.g. nature or weight
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02Characteristics of laundry or load
    • D06F2103/04Quantity, e.g. weight or variation of weight
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02Characteristics of laundry or load
    • D06F2103/06Type or material
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18Washing liquid level
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/10Temperature of washing liquids; Heating means therefor
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/42Detergent or additive supply
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/56Remaining operation time; Remaining operational cycles

Definitions

  • the invention relates to a method for controlling the exposure time for the factors temperature, washing mechanics and detergent chemistry in a wet process for treating laundry in a program-controlled domestic washing machine in which determines the volume of the laundry to be treated and their nature and absorbency and the laundry in the interior of a an at least approximately horizontal axis within a tub in the bottom near the pressure of the liquor is measured, rotating laundry drum is lifted in sections and falls back to the lowest point of the laundry drum, and a corresponding washing machine.
  • the invention has for its object to provide a method of the type mentioned design, in which in adaptation of at least one of the other three parameters of the Sinner circle the time required for the treatment of the laundry in a washing machine can be shortened without affecting the usual wash results when varying the liquor temperature.
  • this object is achieved by the characterizing features of claim 1 in such a way that the time profile of the pressure readings when falling back of the laundry with a typical course for the set treatment program is compared, and determine the deviations from the typical course that measure, on the duration of the exposure time is set in a reverse to the mechanical effect of the pressure surges when falling back of the laundry behaving manner.
  • a washing machine with a tub, in the bottom of which a pressure transducer is connected, and a therein about an at least approximately horizontal axis rotatable laundry drum with means for lifting the laundry to be treated in it during the drive of the drum of a controlled by a control unit drum drive motor is in training of the method according to the invention arranged so that the pressure transducer is connected via a signal line to the controller, that the pressure transducer (13 to 16) via a signal line (18) to the control unit (17) is connected, that the control unit (17) a Contains memory for pressure readings and a comparison means by which the course of the currently measured pressure readings are compared with a stored history of pressure readings can, and that the exposure time in response to differences in history of pressure readings is changeable.
  • the diagram of Fig. 1 shows within short periods of each drum rotation with washing speed at different laundry items different types of mechanical effects ME on the laundry, measured on the basis of the pressure conditions in the liquor in the tub. Therefore, the pressure p is plotted on the ordinate and the time t on the abscissa. The pressure p0 corresponds to the level of the liquor filled in the tub.
  • Section I of a treatment process records the typical pressure surges in the liquor during a drum revolution, coming from a particular batch of laundry.
  • a drum revolution there are three pressure surges when the laundry drum has three followers, portions of which tumble down during drum rotation after being lifted from the floor to a high point in the laundry drum.
  • This is a laundry of plain cotton fabric with large items of laundry and a maximum load of, for example, 5 kg of dry laundry. If the laundry drum is well filled, individual laundry items no longer fall from a great height completely back to the bottom of the drum, so that the mechanical entry is limited in the laundry.
  • Section II shows more violent pressure surges in the same laundry drum, which, for example, to a laundry of bulky cotton fabric, z. B. from terry, with higher absorbency than the simple cotton fabric and medium-sized laundry parts and lower loading amount indicates, for. B. 3 kg dry laundry.
  • the pressure profile shown in section B is typical; his mechanics entry is correspondingly large against the pressure curve in section I, as the comparison of the amplitudes AI and AII illustrates the same number of pressure surges.
  • a pressure curve according to Section III for a laundry item, which consists of many small parts of simple cotton fabric in a likewise inferior amount of, for example, 3 kg.
  • the mechanical entry is greater overall than in a laundry article according to Section I. Because, although the amplitude AIII is smaller than the amplitude AI in Section I, but the number of pressure surges in Section III is considerably larger.
  • the three examples concern process combinations for the programs of the three types of laundry Cotton with large laundry parts, 5 kg dry laundry Terry towels with medium sized laundry parts, 3 kg dry linen and Cotton with small laundry parts, 3 kg dry laundry.
  • Each of these three programs has a typical pressure curve during drum rotation. Now, if such a program is selected, then the associated pressure profile is expected. If, however, the pressure profile deviates therefrom in such a way that the mechanical input is greater than during the typical pressure curve, then the corresponding treatment section may be shorter than intended.
  • the washing machine has a washing drum 1 mounted in a tub 2 at least approximately horizontally, which is driven by a pulley 3, a belt 4 and an electric motor 5.
  • a washing drum 1 mounted in a tub 2 at least approximately horizontally, which is driven by a pulley 3, a belt 4 and an electric motor 5.
  • the liquor can be discharged via a drain 8, a drain pump 9 and a pumping line 10 into the open.
  • the laundry 12 Due to the rotation of the laundry drum 1 in the direction of the arrow 11, the laundry 12 is detected by the drivers 1.1 to 1.3 and lifted high. Once a driver has lifted the laundry 12 as the driver 1.2 high, it falls from this raised position back down to the bottom of the laundry drum 1, where it is compressed. As a result, a mechanical work on the laundry, which contributes to the success of the washing effect.
  • the impact of the laundry on the bottom of the liquor causes there pressure shocks, which are detected by the measuring system.
  • a measuring line 13 is connected, which opens into a pressure transducer tube 14.
  • the pressure transducer tube 14 is connected to a pressure cell 16 which directs suitable pressure measuring signals via a signal line 18 to a control unit 17.
  • the control unit 17 is capable of the length of a program section according to Fig. 2 depending on the current mechanics entry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP09176814A 2008-12-18 2009-11-24 Procédé destiné à la commande d'un lave-linge ménager Not-in-force EP2199449B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008054931A DE102008054931B4 (de) 2008-12-18 2008-12-18 Verfahren zum Steuern einer Haushaltswaschmaschine

Publications (3)

Publication Number Publication Date
EP2199449A2 true EP2199449A2 (fr) 2010-06-23
EP2199449A3 EP2199449A3 (fr) 2010-09-01
EP2199449B1 EP2199449B1 (fr) 2011-12-28

Family

ID=42077514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09176814A Not-in-force EP2199449B1 (fr) 2008-12-18 2009-11-24 Procédé destiné à la commande d'un lave-linge ménager

Country Status (3)

Country Link
EP (1) EP2199449B1 (fr)
AT (1) ATE539189T1 (fr)
DE (1) DE102008054931B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103290650A (zh) * 2012-02-24 2013-09-11 博西华电器(江苏)有限公司 洗衣机的控制方法
CN112746439A (zh) * 2019-10-30 2021-05-04 Bsh家用电器有限公司 具有控制装置的洗涤物护理器具

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010028141B4 (de) * 2009-05-08 2018-11-15 BSH Hausgeräte GmbH Verfahren zur Behandlung von Wäsche in einer Trommelwaschmaschine unter verbesserten Schöpfbedingungen
DE102021212649A1 (de) 2021-11-10 2023-05-11 BSH Hausgeräte GmbH Verfahren zum bestimmen einer mechanischen einwirkung auf wäschestücke und wäschepflegemaschine zu dessen durchführung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2951926A1 (de) 1979-12-21 1981-07-02 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Verfahren zum waschen von waesche und automatisch arbeitende trommelwaschmaschine
DE3027584A1 (de) 1980-07-21 1982-02-11 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Waschmaschine
DE19623958A1 (de) 1996-06-15 1997-12-18 Aeg Hausgeraete Gmbh Programmgesteuerte Trommelwaschmaschine
DE69712380T2 (de) 1996-02-05 2003-01-09 Wrap Spa Verfahren zum Bestimmen der Wäschemenge und/oder der Wäscheart in einer Waschmaschine
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2951926A1 (de) 1979-12-21 1981-07-02 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Verfahren zum waschen von waesche und automatisch arbeitende trommelwaschmaschine
DE3027584A1 (de) 1980-07-21 1982-02-11 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Waschmaschine
DE69712380T2 (de) 1996-02-05 2003-01-09 Wrap Spa Verfahren zum Bestimmen der Wäschemenge und/oder der Wäscheart in einer Waschmaschine
DE19623958A1 (de) 1996-06-15 1997-12-18 Aeg Hausgeraete Gmbh Programmgesteuerte Trommelwaschmaschine
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103290650A (zh) * 2012-02-24 2013-09-11 博西华电器(江苏)有限公司 洗衣机的控制方法
CN112746439A (zh) * 2019-10-30 2021-05-04 Bsh家用电器有限公司 具有控制装置的洗涤物护理器具
CN112746439B (zh) * 2019-10-30 2024-02-02 Bsh家用电器有限公司 具有控制装置的洗涤物护理器具

Also Published As

Publication number Publication date
DE102008054931A1 (de) 2010-07-15
EP2199449B1 (fr) 2011-12-28
DE102008054931B4 (de) 2012-03-08
ATE539189T1 (de) 2012-01-15
EP2199449A3 (fr) 2010-09-01

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