EP1036231B1 - Lave-linge a commande automatique avec systeme de circulation de lessive - Google Patents

Lave-linge a commande automatique avec systeme de circulation de lessive Download PDF

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Publication number
EP1036231B1
EP1036231B1 EP98963414A EP98963414A EP1036231B1 EP 1036231 B1 EP1036231 B1 EP 1036231B1 EP 98963414 A EP98963414 A EP 98963414A EP 98963414 A EP98963414 A EP 98963414A EP 1036231 B1 EP1036231 B1 EP 1036231B1
Authority
EP
European Patent Office
Prior art keywords
washing machine
valve
turbidity sensor
pipeline
pipe duct
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.)
Expired - Lifetime
Application number
EP98963414A
Other languages
German (de)
English (en)
Other versions
EP1036231A2 (fr
Inventor
Horst Wiemer
Harald MOSCHÜTZ
Edwin Bolduan
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 Hausgeräte 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 EP1036231A2 publication Critical patent/EP1036231A2/fr
Application granted granted Critical
Publication of EP1036231B1 publication Critical patent/EP1036231B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements
    • 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
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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
    • D06F34/22—Condition of the washing liquid, e.g. turbidity
    • 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
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user

Definitions

  • the invention relates to an automatically controlled washing machine with a lye circulation system, at the bottom of a laundry treatment room by means of a Pump liquor discharged and via a pipe above that in the treatment room laundry is fed back to this, which washing machine further on a fresh water supply line is connected, which is opened by a valve or can be concluded by a to determine one in the conveying direction suitable pump device is controllable the existing volume flow.
  • a washing machine is known from DE-A-43 32 225. With this washing machine is for constant flooding of the laundry in the washing drum a lye circulation system at the bottom of the tub using washing or rinsing water connected. This consists of a pipeline, in the course of which a drain pump and a sensor device are arranged.
  • the sensor device Through the sensor device the presence of a flow in the pipeline is detected.
  • the sensor device gives depending on the presence or absence of a flow in the Pipeline a corresponding signal to the arranged in the course of the fresh water supply Valve off, whereby either the fresh water supply is initiated or blocked becomes. In this way, the washing machine is always only with the absolutely necessary Amount of water supplied.
  • the invention has for its object a washing machine of the type described Art in such a way that the control of the fresh water supply as possible sensor elements already present on the washing machine already take place anyway can.
  • the object is achieved according to the invention in that in the course of Pipeline can be actuated by the volume flow prevailing in the pipeline Body is arranged, depending on the presence or absence of the volume flow protrudes into the measuring section of a turbidity sensor or this releases through which turbidity sensor the valve in its opening or Closed position is controlled.
  • a simple mechanical one is required in the pipeline Part to be installed, whereas for the more complex sensory detection the turbidity sensor, which is available anyway for the turbidity measurement of the rinsing water is used.
  • the body is a floating body formed and arranged in a vertical region of the pipeline With such an arrangement, the float takes its due to gravity Rest position automatically. There is therefore no need for separate funds for repatriation of the float in its rest position.
  • a separate valve seat in the pipeline can be avoided by the peripheral edge of the valve plate has a conically increasing course and the pipeline at least in the area of the rest position of the float in the same way conical is progressive.
  • the adjustment path of the float is also expedient in the pipeline limiting stop is provided, the position of which is selected so that when in contact of the float on the stop of the plunger the measuring section of the turbidity sensor fully releases.
  • a washing drum 2 is rotatably mounted in the tub 1 of the washing machine. In it are laundry 3, which are lifted by the driver 4 when the drum 2 is rotated become and fall down again. This means that the Items of laundry instead, which means that they are always in new directions of washing or rinsing water be flooded.
  • the wash or rinse water is supplied via a fresh water supply 5 and a detergent container 6 inserted into the tub 1.
  • a valve 7 in the fresh water supply line 5 is used to control the fresh water supply
  • valve 7 is controlled by a control device 8 of the washing machine controlled.
  • a suds recirculation system For constant flooding of the laundry with washing or rinsing water is at the bottom of the Suds container 1 connected to a suds recirculation system.
  • This consists of a Pipeline 9, in the course of which a drain pump 10, a heating device 11 and a Sensor device 12 are arranged.
  • the sensor device 12 has one float 13 arranged in the pipeline 9.
  • the float 13 is designed in the manner of a valve plate 15 provided with a tappet 14.
  • the perimeter 16 of the valve plate 15 is designed to rise conically.
  • the pipeline 9 is in at least in the area corresponding to the rest position of the float 13 in the same way conically rising. This allows the valve plate 15 in the rest position, i.e. in the absence of a volume flow in the pipeline 9 with its peripheral edge 16 snugly against the inner wall of the pipeline 9.
  • a turbidity sensor 17 is attached to the outer circumference of the pipeline 9. At least in this area, the pipe 9 is made of translucent material, so that a from the transmission part of the turbidity sensor 17 emitted light beam 18, which is the measuring section of the turbidity sensor 17, through the pipeline 9 to the receiving part of the turbidity sensor 17 can reach.
  • the diameter of the valve plate 15 is thus on the inside diameter of the pipeline 9 matched that the valve plate 15 in relation to the position of the measuring section of the turbidity sensor 17 so on the inner wall of the pipe 9 comes to rest that be Ram 14 still protrudes into the light beam 18 of the turbidity sensor 17 and interrupts it.
  • a corresponding control signal can be sent from the turbidity sensor 17 to the Control device 8 are delivered through which the valve 7 from the control device 8 is controlled. Fresh water is thus supplied until the pump 10 Can pump water into the pipe 9.
  • the volume flow set in the pipeline 9 lifts the valve plate 15 and pulls thereby the plunger 14 from the measuring section, i.e. from the light beam 18. Now the Light beam 18 onto the receiving part of the turbidity sensor 17 and triggers a control signal from which the valve 7 is blocked again.
  • the washing machine is only the absolutely necessary amount of water supplied for a washing process.
  • the turbidity sensor 17 already present in modern washing machines is thus in addition to measuring the turbidity during the washing process of the washing machine Control of the fresh water supply used.
  • a separate sensor element can thus be used can be saved for the control of the fresh water supply.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (5)

  1. Lave-linge à commande automatique comprenant un système de circulation de lessive, dans lequel de la lessive est transportée au moyen d'une pompe au fond d'un espace de traitement du linge et est ramenée de nouveau à celui-ci par un conduit de tuyaux situé au-dessus du linge se trouvant dans l'espace de traitement, ledit lave-linge étant en outre raccordé à une conduite d'eau fraíche qui peut être ouverte ou fermée par une soupape pouvant être commandée par un dispositif formant détecteur approprié pour constater un courant volumique présent dans le sens de transport de la pompe, caractérisé en ce qu'à la suite du conduit de tuyaux (9) est disposé un corps (13) pouvant être actionné par le courant volumique régnant dans le conduit de tuyaux (9), qui en fonction de la présence ou de la non-présence du courant volumique fait saillie dans la section mesurée (18) d'un détecteur de turbidité (17) resp. libère celle-ci, la soupape (7) étant commandée dans sa position d'ouverture ou de fermeture par ledit détecteur de turbidité (17).
  2. Lave-linge selon la revendication 1, caractérisé en ce que le corps est conçu comme corps suspendu (13) et est disposé dans une zone passant perpendiculairement, du conduit de tuyaux (9).
  3. Lave-linge selon la revendication 2, caractérisé en ce que le corps suspendu (13) est conçu à la manière d'une tête de soupape (15) dotée d'une tige-poussoir (14), la tige-poussoir (14) dans la position de repos du corps suspendu (13) faisant saillie dans la section mesurée (18) du détecteur de turbidité (17) et la tête de soupape (15) se trouvant sur un siège de soupape.
  4. Lave-linge selon la revendication 3, caractérisé en ce que le bord périphérique (16) de la tête de soupape (15) présente un tracé s'élevant de façon conique et le conduit de tuyaux (9) dans la zone de la position de repos du corps suspendu (13) est conçu en passant de façon conique de la même manière.
  5. Lave-linge selon la revendication 3 ou 4, caractérisé en ce que dans le conduit de tuyaux (9) est prévue une butée limitant le trajet de suspension du corps suspendu (13), dont la position est choisie de manière telle que lors du placement du corps suspendu (13) sur la butée, la tige-poussoir (14) libère intégralement la section mesurée (18) du détecteur de turbidité (17).
EP98963414A 1997-11-04 1998-11-04 Lave-linge a commande automatique avec systeme de circulation de lessive Expired - Lifetime EP1036231B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19748706A DE19748706A1 (de) 1997-11-04 1997-11-04 Automatisch gesteuerte Waschmaschine mit einem Laugenumwälzsystem
DE19748706 1997-11-04
PCT/EP1998/007064 WO1999023292A2 (fr) 1997-11-04 1998-11-04 Lave-linge a commande automatique avec systeme de circulation de lessive

Publications (2)

Publication Number Publication Date
EP1036231A2 EP1036231A2 (fr) 2000-09-20
EP1036231B1 true EP1036231B1 (fr) 2002-03-13

Family

ID=7847590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98963414A Expired - Lifetime EP1036231B1 (fr) 1997-11-04 1998-11-04 Lave-linge a commande automatique avec systeme de circulation de lessive

Country Status (7)

Country Link
US (1) US6378341B1 (fr)
EP (1) EP1036231B1 (fr)
AT (1) ATE214440T1 (fr)
DE (2) DE19748706A1 (fr)
ES (1) ES2174525T3 (fr)
TR (1) TR200001158T2 (fr)
WO (1) WO1999023292A2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19912587A1 (de) * 1999-03-20 2000-09-21 Ksb Ag Volumenstrommeßgerät
DE10029428A1 (de) 2000-06-15 2002-01-03 Bsh Bosch Siemens Hausgeraete Luftführendes Haushaltsgerät mit waschbarem Filter
DE10135191A1 (de) * 2001-07-19 2003-01-30 Bsh Bosch Siemens Hausgeraete Verfahren zum Betreiben eines wasserführenden Haushaltgerätes und Haushaltgerät hierzu
DE10234472A1 (de) * 2002-07-29 2004-02-12 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Beseitigen von Schaum im Laugenbehälter einer Trommelwaschmaschine
DE10248268A1 (de) * 2002-10-16 2004-04-29 Electrolux Home Products Corporation N.V. Verfahren zum Füllen des Arbeitsraumes einer Haushaltsmaschine und Haushaltsmaschine
US7588038B2 (en) * 2004-06-05 2009-09-15 Lg Electronics Inc. Sump assembly for dishwasher
EP1688529A1 (fr) * 2005-01-28 2006-08-09 Electrolux Home Products Corporation N.V. Machine à laver avec distributeur de détergent
JP4521297B2 (ja) * 2005-02-22 2010-08-11 株式会社東芝 ドラム式洗濯乾燥機
JP4834342B2 (ja) * 2005-07-26 2011-12-14 株式会社東芝 ドラム式洗濯乾燥機
JP4880982B2 (ja) * 2005-11-18 2012-02-22 株式会社東芝 洗濯乾燥機
JP4679352B2 (ja) * 2005-11-25 2011-04-27 株式会社東芝 衣類乾燥機
EP1900867A1 (fr) * 2006-09-13 2008-03-19 Electrolux Home Products Corporation N.V. Procédé de détection des défaillances de la pompe dans une lave-linge
KR101052783B1 (ko) * 2007-04-06 2011-07-29 삼성전자주식회사 세탁기의 제어방법
JP2011019607A (ja) * 2009-07-14 2011-02-03 Panasonic Corp 洗濯機
EP2348151B1 (fr) * 2010-01-25 2017-07-05 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge avec un dispositif d'écoulement
DK2532295T3 (en) * 2012-09-25 2017-02-20 V Zug Ag Household appliance with a water valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1438178A1 (de) * 1962-05-17 1969-05-14 Siemens Elektrogeraete Gmbh Einrichtung zur Steuerung eines Zeitprogramms fuer selbsttaetig arbeitende Haushaltsmaschinen
JPS59211491A (ja) * 1983-05-18 1984-11-30 松下電器産業株式会社 センサ−付洗濯機のクリ−ニング装置
US5313964A (en) * 1992-05-01 1994-05-24 General Electric Company Fluid-handling machine incorporating a closed loop system for controlling liquid load
DE4332225B4 (de) * 1993-06-07 2006-09-28 BSH Bosch und Siemens Hausgeräte GmbH Automatisch gesteuerte Waschmaschine

Also Published As

Publication number Publication date
ES2174525T3 (es) 2002-11-01
DE19748706A1 (de) 1999-05-06
TR200001158T2 (tr) 2000-11-21
US6378341B1 (en) 2002-04-30
WO1999023292A3 (fr) 1999-08-19
EP1036231A2 (fr) 2000-09-20
ATE214440T1 (de) 2002-03-15
WO1999023292A2 (fr) 1999-05-14
DE59803380D1 (de) 2002-04-18

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