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WO2008148844A2 - Machine à laver séchante et son procédé de commande - Google Patents

Machine à laver séchante et son procédé de commande Download PDF

Info

Publication number
WO2008148844A2
WO2008148844A2 PCT/EP2008/056998 EP2008056998W WO2008148844A2 WO 2008148844 A2 WO2008148844 A2 WO 2008148844A2 EP 2008056998 W EP2008056998 W EP 2008056998W WO 2008148844 A2 WO2008148844 A2 WO 2008148844A2
Authority
WO
WIPO (PCT)
Prior art keywords
load
displacement
washer
dryer
displacements
Prior art date
Application number
PCT/EP2008/056998
Other languages
English (en)
Other versions
WO2008148844A3 (fr
Inventor
Halime Usta Yogun
Ufuk Levan Yakut
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Publication of WO2008148844A2 publication Critical patent/WO2008148844A2/fr
Publication of WO2008148844A3 publication Critical patent/WO2008148844A3/fr

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
    • 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
    • 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
    • D06F2105/02—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
    • D06F2105/42—Detergent or additive supply

Definitions

  • the present invention relates to a washer/dryer that is enabled to operate efficiently by detecting the weight of the laundry contained therein.
  • the amount of the water intake, cleaning agents such as detergent, softener and the washing program and/or the duration is determined depending on the type and weight of the laundry emplaced therein. Not knowing the amount of laundry, results in using excess amount of water and cleaning agents and the excess use of water leads to the increase of energy consumption. Determining of the amount of load accurately becomes difficult particularly if the laundry is not distributed evenly inside the drum.
  • the aim of the present invention is the realization of a washer/dryer wherein the weight of the laundry is determined before the start of the washing process, when the laundry is dry, as close to the real value as possible .
  • the washer/dryer of the present invention comprises sensors, each disposed at three different directions for measuring the displacement of the tub in three directions and a control card, that detects the amount of load emplaced in the drum by rotating the drum while actuating the motor for at least a short while before starting the washing process and evaluates the change in the displacement data with respect to time received from the sensors during this rotation.
  • the drum makes an oscillatory movement depending on the amount and position of the load emplaced therein and this movement is dampened in time and stops.
  • the change in data received from the sensor with respect to time relating to displacements in each three directions will be in the form of a gradually dampened wave.
  • the load is measured depending on the wave length, period and dampening time of the waves formed by the said displacement data.
  • three different sensors are used, that are disposed on the ceiling, side wall and rear wall of in the washer/dryer for measuring the displacement of the tub in three directions.
  • the control card controls whether or not there is a significant displacement in the horizontal direction before actuating the motor.
  • the load is distributed in a balanced manner, that is, if only the vertical displacement will be sufficient in determining accurately the load amount, then load calculation is made by only using this data, considering the change in displacement in three directions with respect to time is not required.
  • control card controls whether or not there is a significant displacement in the horizontal direction
  • at least one of the horizontal displacements is determined to have the values effective in detecting the load, that is, if above a predetermined threshold value, first of all the drum is rotated with a predetermined speed and direction to balance the load. Consequently, again the load estimation is made without using the three directional displacement data.
  • load estimation is made by using the measured three directional displacement data.
  • control card After the amount of load is determined, this information is used by the control card to decide on the process durations and the water, detergent etc. amounts to be used.
  • the weight of the laundry emplaced in the washer/dryer of the present invention is determined close to the real values before the washing process starts. Thus energy, water and detergent are used in the required amounts and wastefulness is prevented.
  • Figure 1 - is the sideways schematic view of a washer/dryer.
  • Figure 2 - is the front schematic view of an embodiment of the present invention.
  • Figure 3 - is the flow chart used in determining the load in an embodiment of the present invention.
  • Figure 4 - is the flow chart used in determining the load in an embodiment of the present invention.
  • Figure 5 - is the flow chart used in determining the load in an embodiment of the present invention.
  • Figure 6 - is the diagram showing the change of displacement in the x direction with respect to time measured by the sensor in an embodiment of the present invention.
  • the washer/dryer (1) of the present invention preferably a washing machine, comprises a tub (2), a drum (3) disposed in the tub (2) wherein the laundry is emplaced, rotating around an axis, a motor (4) providing the actuation of the said drum (3), at least one sensor (5) positioned in each of the three different directions (x, y, z) such that the displacement (d x , d y , d z ) of the tub (2) in three different directions (x, y, z) can be measured and a control card (6) that actuates the motor (5) for at least a short while before starting the washing process for rotating the drum (3) and during this rotation determines the load amount (L) emplaced in the drum (3) according to the displacement data (d x , d y , d z ) received from the sensors (5) ( Figures 1 , 2 and 3).
  • the load amount (L) is determined by taking into account the wave length ( ⁇ x , ⁇ y , ⁇ z ), period (T x , T y , T z ) and the dampening durations (t damp x , t damp y , t damp z ) in the change of the displacement data (d x , d y , d z ) with respect to time. Calculation is made by using a function related to the said variables determined by experimental studies and recorded in the control card (6) ( Figure 6).
  • the sensors (5) are disposed on the ceiling, side wall and rear wall of the washer/dryer (1) ( Figures 1 and 2).
  • the sensor (5) used in the washer/dryer (1) of the present invention makes optical, preferably infrared detection.
  • control card (6) of the amounts of the washing, rinsing water, detergent and/or softener and at least one of the suitable washing durations required for each amount of load (L) is recorded.
  • the control card (6) adjusts the water, detergent and/or softener amounts to be used in accordance with the detected amount of load (L).
  • the washer/dryer (1) of the present invention operates according to the following method:
  • the load (L) is calculated by examining the change of displacement data (dx, dy, dz) with respect to time received from all the sensors (5), since it is not possible to accurately detect the load (L) by using the displacement (dy) in the vertical direction (y) ( Figure 4).
  • the weight of the laundry placed therein that is the load (L) can be determined as close as possible to the real value before the washing process starts. Consequently, not only water and detergent savings are accomplished but also excess energy consumption is prevented.
  • the washer/dryer (1) is enabled to operate more efficiently and safely.

Landscapes

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

Abstract

La présente invention porte sur une machine à laver séchante (1) dans laquelle le poids du linge contenu dans celle-ci est détecté aussi près des valeurs réelles que possible, alors que le linge est sec avant le démarrage du processus de lavage.
PCT/EP2008/056998 2007-06-07 2008-06-05 Machine à laver séchante et son procédé de commande WO2008148844A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRA2007/03939 2007-06-07
TR200703939 2007-06-07

Publications (2)

Publication Number Publication Date
WO2008148844A2 true WO2008148844A2 (fr) 2008-12-11
WO2008148844A3 WO2008148844A3 (fr) 2009-04-09

Family

ID=39945305

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/056998 WO2008148844A2 (fr) 2007-06-07 2008-06-05 Machine à laver séchante et son procédé de commande

Country Status (2)

Country Link
TR (1) TR200908126T1 (fr)
WO (1) WO2008148844A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8245415B2 (en) 2009-12-18 2012-08-21 Whirlpool Corporation Method for determining load size in a clothes dryer using an infrared sensor
US8549770B2 (en) 2009-12-18 2013-10-08 Whirlpool Corporation Apparatus and method of drying laundry with drying uniformity determination
US9212445B2 (en) 2011-12-16 2015-12-15 Whirlpool Corporation Method and apparatus for controlling the liquid filling in a laundry treating appliance
US9580860B2 (en) 2009-12-18 2017-02-28 Whirlpool Corporation Method for operating a clothes dryer using load temperature determined by an infrared sensor
EP2565322A4 (fr) * 2010-04-28 2017-12-27 LG Electronics Inc. Procédé de commande d'un séchoir

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938822C2 (de) * 1989-11-23 1994-12-22 Miele & Cie Trommelwaschmaschine
EP1167609B2 (fr) * 2000-06-30 2007-09-12 Whirlpool Corporation Procédé pour détecter et contrôler le balourd dynamique d'un tambour de machine à laver et machine à laver utilisant un tel procédé
KR100504482B1 (ko) * 2002-11-26 2005-08-03 엘지전자 주식회사 드럼 세탁기의 포량감지장치 및 방법
JP4603324B2 (ja) * 2004-09-13 2010-12-22 パナソニック株式会社 ドラム式洗濯機
KR100788975B1 (ko) * 2005-09-05 2007-12-27 엘지전자 주식회사 세탁기의 포량 감지장치 및 방법

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8245415B2 (en) 2009-12-18 2012-08-21 Whirlpool Corporation Method for determining load size in a clothes dryer using an infrared sensor
US8549770B2 (en) 2009-12-18 2013-10-08 Whirlpool Corporation Apparatus and method of drying laundry with drying uniformity determination
US8661706B2 (en) 2009-12-18 2014-03-04 Whirlpool Corporation Method for determining load size in a clothes dryer using an infrared sensor
US9580860B2 (en) 2009-12-18 2017-02-28 Whirlpool Corporation Method for operating a clothes dryer using load temperature determined by an infrared sensor
EP2565322A4 (fr) * 2010-04-28 2017-12-27 LG Electronics Inc. Procédé de commande d'un séchoir
US9212445B2 (en) 2011-12-16 2015-12-15 Whirlpool Corporation Method and apparatus for controlling the liquid filling in a laundry treating appliance

Also Published As

Publication number Publication date
WO2008148844A3 (fr) 2009-04-09
TR200908126T1 (tr) 2010-03-22

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