EP1036231A2 - Automatisch gesteuerte waschmaschine mit einem laugenumwälzsystem - Google Patents
Automatisch gesteuerte waschmaschine mit einem laugenumwälzsystemInfo
- Publication number
- EP1036231A2 EP1036231A2 EP98963414A EP98963414A EP1036231A2 EP 1036231 A2 EP1036231 A2 EP 1036231A2 EP 98963414 A EP98963414 A EP 98963414A EP 98963414 A EP98963414 A EP 98963414A EP 1036231 A2 EP1036231 A2 EP 1036231A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- washing machine
- pipeline
- valve
- float
- turbidity sensor
- 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
Links
- 238000005406 washing Methods 0.000 title claims abstract description 32
- 238000005096 rolling process Methods 0.000 title 1
- 239000013505 freshwater Substances 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003599 detergent Substances 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 101150114468 TUB1 gene Proteins 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
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, in which lye is discharged at the bottom of a laundry treatment room by means of a pump and fed back to it via a pipeline above the laundry in the treatment room, which washing machine is further connected to a fresh water supply line which is connected to a valve can be opened or closed, which can be controlled by a sensor device suitable for determining a volume flow present in the delivery direction of the pump.
- Such a washing machine is known from DE-A-43 32 225.
- a lye circulation system is connected to the bottom of the tub for constant flooding of the laundry in the washing drum by means of washing or rinsing lye.
- This consists of a pipeline, in the course of which a drain pump and a sensor device are arranged. The presence of a flow in the pipeline is detected by the sensor device. Depending on the presence or absence of a flow in the pipeline, the sensor device emits a corresponding signal to the valve arranged in the course of the fresh water supply line, whereby either the fresh water supply is initiated or blocked. In this way, the washing machine is always supplied with the absolutely necessary amount of water.
- the invention has for its object to develop a washing machine of the type described above so that the control of the fresh water supply can be done as possible with sensor elements already present on the washing machine.
- the object is achieved according to the invention in that in the course of the pipeline a body which can be actuated by the volume flow prevailing in the pipeline is arranged and which, depending on the presence or non-existence presence of the volume flow protrudes into the measuring section of a turbidity sensor or releases it, by means of which turbidity sensor the valve is controlled in its open or closed position.
- a body which can be actuated by the volume flow prevailing in the pipeline is arranged and which, depending on the presence or non-existence presence of the volume flow protrudes into the measuring section of a turbidity sensor or releases it, by means of which turbidity sensor the valve is controlled in its open or closed position.
- the body is designed as a floating body and is arranged in a vertical region of the pipeline.
- the float automatically assumes its rest position due to gravity. There is therefore no need for any special means for returning the float to its rest position.
- the float is designed in the manner of a valve plate provided with a plunger, the plunger protruding into the measuring section of the turbidity sensor in the rest position of the float and the valve plate resting on a valve seat, the pipeline is completely shut off in the rest position of the float.
- the occurrence of even a very small volume flow thus leads to an adjustment of the float. This results in a very high sensitivity of the device.
- a separate valve seat in the pipeline can be avoided in that the circumferential edge of the valve disk has a conically increasing course and the pipeline is designed to be conical in the same way, at least in the rest position of the float.
- a stop limiting the adjustment path of the float is also provided in the pipeline, the position of which is selected such that when the float lies against the stop of the plunger, the measuring section of the turbidity sensor is completely released.
- Fig. 1 in a schematic representation of an automatically controlled washing machine
- Fig. 2 shows the formation of a sensor device using a turbidity sensor.
- a washing drum 2 is rotatably mounted in the tub 1 of the washing machine. In it are items of laundry 3 which are lifted by carriers 4 when the drum 2 is rotated and fall again. This means that the Items of laundry instead, which are always flooded with washing or rinsing water in new directions.
- the washing or rinsing liquor is introduced into the tub 1 via a fresh water supply line 5 and a detergent container 6.
- a valve 7 in the fresh water supply line 5 is used to control the fresh water supply. For this purpose, the valve 7 is controlled by a control device 8 of the washing machine.
- a lye circulation system is connected to the bottom of the lye container 1 for the continuous flooding of the laundry with washing or rinsing liquor.
- 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 a floating body 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 peripheral edge 16 of the valve plate 15 is designed to rise conically.
- the pipeline 9 is designed to rise conically in the same way, at least in the region corresponding to the rest position of the float 13.
- the valve plate 15 can be in the rest position, i.e. in the absence of a volume flow, lay 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 pipeline 9 is made of translucent material, so that a light beam 18 emitted by the transmission part of the turbidity sensor 17, which represents the measuring section of the turbidity sensor 17, can pass through the pipeline 9 to the receiving part of the turbidity sensor 17.
- the diameter of the valve plate 15 is matched to the inside diameter of the pipe 9 so that the valve plate 15 comes into contact with the inner wall of the pipe 9 in relation to the position of the measuring section of the turbidity sensor 17 such that its plunger 14 is still in the light beam 18 of the Turbidity sensor 17 protrudes and interrupts it.
- a corresponding control signal can be emitted from the turbidity sensor 17 to the control device 8, by means of which the valve 7 is opened by the control device 8. Fresh water is thus supplied until the pump 10
- the volume flow set in the pipeline 9 lifts the valve plate 15 and thereby pulls the plunger 14 out of the measuring section, ie out of the light beam 18. Now the light beam 18 hits 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 supplied with the amount of water that is absolutely necessary for a washing process.
- the turbidity sensor 17 which is present in any case in modern washing machines is used not only for measuring turbidity during the washing process of the washing machine but also for controlling the fresh water supply. A separate sensor element for controlling the fresh water supply can thus be saved.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Description
Claims
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 (de) | 1997-11-04 | 1998-11-04 | Automatisch gesteuerte waschmaschine mit einem laugenumwälzsystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1036231A2 true EP1036231A2 (de) | 2000-09-20 |
| EP1036231B1 EP1036231B1 (de) | 2002-03-13 |
Family
ID=7847590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98963414A Expired - Lifetime EP1036231B1 (de) | 1997-11-04 | 1998-11-04 | Automatisch gesteuerte waschmaschine mit einem laugenumwälzsystem |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6378341B1 (de) |
| EP (1) | EP1036231B1 (de) |
| AT (1) | ATE214440T1 (de) |
| DE (2) | DE19748706A1 (de) |
| ES (1) | ES2174525T3 (de) |
| TR (1) | TR200001158T2 (de) |
| WO (1) | WO1999023292A2 (de) |
Families Citing this family (16)
| 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 (de) * | 2005-01-28 | 2006-08-09 | Electrolux Home Products Corporation N.V. | Waschmaschine mit Waschmittel-Einspüleinrichtung |
| 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 (de) * | 2006-09-13 | 2008-03-19 | Electrolux Home Products Corporation N.V. | Verfahren zur Fehlerermittlung für die Pumpe einer Waschmaschine |
| 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 (de) * | 2010-01-25 | 2017-07-05 | Miele & Cie. KG | Verfahren zum Betreiben einer Waschmaschine mit Umfluteinrichtung |
| DK2532295T3 (en) * | 2012-09-25 | 2017-02-20 | V Zug Ag | Household appliance with a water valve |
Family Cites Families (4)
| 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 |
-
1997
- 1997-11-04 DE DE19748706A patent/DE19748706A1/de not_active Withdrawn
-
1998
- 1998-11-04 EP EP98963414A patent/EP1036231B1/de not_active Expired - Lifetime
- 1998-11-04 ES ES98963414T patent/ES2174525T3/es not_active Expired - Lifetime
- 1998-11-04 AT AT98963414T patent/ATE214440T1/de not_active IP Right Cessation
- 1998-11-04 US US09/530,842 patent/US6378341B1/en not_active Expired - Fee Related
- 1998-11-04 DE DE59803380T patent/DE59803380D1/de not_active Expired - Fee Related
- 1998-11-04 TR TR2000/01158T patent/TR200001158T2/xx unknown
- 1998-11-04 WO PCT/EP1998/007064 patent/WO1999023292A2/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9923292A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE214440T1 (de) | 2002-03-15 |
| DE19748706A1 (de) | 1999-05-06 |
| TR200001158T2 (tr) | 2000-11-21 |
| ES2174525T3 (es) | 2002-11-01 |
| WO1999023292A2 (de) | 1999-05-14 |
| EP1036231B1 (de) | 2002-03-13 |
| WO1999023292A3 (de) | 1999-08-19 |
| DE59803380D1 (de) | 2002-04-18 |
| US6378341B1 (en) | 2002-04-30 |
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