WO2002046514A2 - Waschmaschine - Google Patents
Waschmaschine Download PDFInfo
- Publication number
- WO2002046514A2 WO2002046514A2 PCT/EP2001/014124 EP0114124W WO0246514A2 WO 2002046514 A2 WO2002046514 A2 WO 2002046514A2 EP 0114124 W EP0114124 W EP 0114124W WO 0246514 A2 WO0246514 A2 WO 0246514A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- line
- drain
- washing machine
- liquid
- tub
- Prior art date
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
- D06F34/22—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
- 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
- D06F39/087—Water level measuring or regulating devices
-
- 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
- D06F2103/18—Washing liquid 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
- 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
-
- 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 invention relates to a washing machine according to the preamble of claim 1.
- the invention relates to a washing machine containing a tub, in which a laundry drum is rotatable about a horizontal axis and which has a drain opening at a deepest point; a drain line which is connected to the drain opening and which is connected or connectable to a drain pump; a turbidity sensor on a liquid line which connects the drain line to an additional opening formed in the tub at a higher position than the drain opening, the turbidity sensor responding to a turbidity of the liquid flowing through the liquid line; a pressure sensor which responds to a liquid pressure dependent on the liquid level in the tub for controlling the liquid filling level in the tub.
- the turbidity sensor is a so-called rinsing sensor, and laundry rinsing processes are controlled as a function of its signals.
- the pressure sensor is connected via a pressure line to a further additional opening in the tub.
- a washing machine drain connector is known, to which a pressure sensor is connected via a pressure sensor tube.
- a flushing sensor is not disclosed in this document.
- the pressure sensor is a membrane switch which controls the water level in the tub, in particular limited to a predetermined level.
- DE 196 52 830 A1 discloses a washing machine with a sensor in a liquid line which connects an additional opening of the tub to the drain line of the tub at a location which is lower than the additional opening.
- a pressure sensor is not disclosed in this document.
- the sensor is preferably an optical sensor which contains a light transmitter, for example an infrared LED transmitter, and a light receiver, for example a photo transistor. Depending on the degree of turbidity of the liquid in the liquid line penetrates more or less Light the transmitter's liquid up to the receiver.
- other known techniques can also be used as a rinsing sensor, which can generate a signal depending on the cloudiness of the alkali of the tub.
- the object of the invention is to create a system which is simpler in terms of construction and manufacture and which is less expensive.
- a smaller number of components should be achieved and a modular principle should be made possible in which assemblies can be preassembled.
- the washing machine is characterized in that the drain line is provided with a pressure line connection for the pressure sensor, via which the liquid pressure can be transferred from the drain line to the pressure sensor.
- the invention avoids that a connection to the tub is required for the pressure sensor. Such a connection to the tub is not only expensive to produce, but also prevents the same type of tub from being used for a variety of different washing machines. The invention no longer requires a pressure sensor connection on the tub, so that tubs can be produced in large numbers for different types of washing machines.
- both the connection for the flushing sensor and the connection for the pressure sensor are formed on the drain hose.
- both connections are arranged tangentially on the drain hose, preferably on the same side of the drain hose. This results in short cable runs and sufficient space for other parts of the appliance, such as the drain pump, in the washing machine.
- the invention makes it possible to design the drain hose with the connections for the turbidity sensor and the pressure sensor as a preassembled module which can be used in a modular manner for different types of washing machines. The invention is described below with reference to the drawings using preferred embodiments as examples. 1 schematically shows parts of a washing machine according to the invention, FIG. 2 shows a horizontal section through a drain line system according to the invention of the washing machine from FIG. 1,
- FIG. 3 shows a horizontal section of a further embodiment of a drain line system according to the invention for a washing machine according to FIG. 1.
- the washing machine shown in FIG. 1 has a housing 1, in which a suds container 2 is mounted so that it can vibrate.
- a laundry drum 3 is rotatably arranged about a horizontal axis.
- the upper part of the suds container 2 can be supplied with water and optionally laundry treatment agents (detergent, detergent, bleach) from a supply line 4 via a solenoid valve 5 and a detergent dispenser container 6.
- the tub 2 is provided at its deepest point with a drain opening 8, to which a drain line 10 is connected in a liquid-tight manner, which has a particularly slightly flexible, preferably bellows-like or corrugated tube-like downstream section 12 at its end remote from the tub 2, which has the Suction side of a drain pump 14 is connected.
- a pumping hose 16 is connected to the pressure side of the layer pump 14.
- the downstream drain hose section 12 is formed on an essentially horizontal line leg of the drain hose 10.
- the downstream section 14 connected to the drain opening 8 of the tub 2 is preferably a vertical leg of the drain hose 10. This can contain a check valve 16 which prevents backflow from the tub pump 14 into the drain opening 8 of the tub 2.
- the drain hose 10 can have a hose connector 18 for an emergency drain hose, in the event that the drain pump 14 has a defect.
- a liquid line 18 connects an additional opening 20 of the tub 2 located higher than the drain opening 8 to the vertical leg 14 of the drain hose 10 at an upper end between its check valve 16 and its upper end facing the drain opening 8.
- lye can or water flows continuously through this liquid line 18. This flow is based on a slight pressure difference between the base and the drain opening 8 and the additional opening 20.
- the liquid line 18 is provided with a turbidity sensor 22 which, as a function of the turbidity of the liquid flowing through the liquid line 18, in particular lye, generates signals which are emitted via a line 24 to a control device 26 which, depending on this Can control detergent operation.
- the turbidity sensor 22 is preferably a so-called “rinsing sensor”, on the basis of whose signals laundry rinsing processes in the washing machine are controlled.
- This sensor 22 contains a transmitter and a receiver, for example an optical transmitter, for example an infrared LED, and an optical receiver, for example a photo transistor, as is known from DE 196 52 830 A1. However, a sensor can also be used which works according to a different measuring principle.
- This can be controlled by the pressure line 28 and its pressure sensor 30 or pressure switch, the liquid level in the tub 2, in particular limited to a maximum value, such as that from DE-28 40 241 is known.
- connections 18-1 or 28-1 of the liquid line 18 and pressure line 28 provided in the discharge hose 10 are preferably formed directly adjacent to the discharge opening 8 between the upper end of the discharge hose 10 and its check valve 16 in the vertical leg 14, preferably by connecting pieces, before they are an integral part of the drain hose 10.
- the two connecting pieces 18-1 and 28-1 are preferably arranged tangentially to the drain hose 10. They can be arranged one above the other in accordance with FIG. 1, the arrangement one above the other mainly being chosen to make them visible in FIG. 1.
- FIG. 2 shows a preferred embodiment in which the two connecting pieces 18-1 and 28-1 are formed essentially parallel to one another in the vertical leg 14 of the drain hose 10. This is a space-saving embodiment, which also prevents the formation of harmful eddy currents in the drain hose.
- Fig. 3 shows an embodiment in which the connecting pieces 18-1 and 28-1 are also arranged tangentially to the drain hose 10 or its vertical leg 14, but on opposite sides of the drain hose 10. This could with respect to the routing in the Washing machine and also in terms of flows in the drain hose 10 to be less favorable than FIG. 2.
- the drain hose 10 is preferably made of flexible material, for example rubber, in a known manner and is plugged or plugged onto the drain opening 8 of the tub 2 in a known manner or is detachably connected in some other way.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Centrifugal Separators (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-7006443A KR20030066659A (ko) | 2000-12-08 | 2001-12-03 | 세탁기 |
EP01986848A EP1341955B1 (de) | 2000-12-08 | 2001-12-03 | Waschmaschine |
DE50111600T DE50111600D1 (de) | 2000-12-08 | 2001-12-03 | Waschmaschine |
JP2002548224A JP2004515286A (ja) | 2000-12-08 | 2001-12-03 | 洗濯機 |
US10/457,744 US6901777B2 (en) | 2000-12-08 | 2003-06-09 | Washing machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10061237.7 | 2000-12-08 | ||
DE10061237A DE10061237A1 (de) | 2000-12-08 | 2000-12-08 | Waschmaschine |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/457,744 Continuation US6901777B2 (en) | 2000-12-08 | 2003-06-09 | Washing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002046514A2 true WO2002046514A2 (de) | 2002-06-13 |
WO2002046514A3 WO2002046514A3 (de) | 2002-07-25 |
Family
ID=7666394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/014124 WO2002046514A2 (de) | 2000-12-08 | 2001-12-03 | Waschmaschine |
Country Status (8)
Country | Link |
---|---|
US (1) | US6901777B2 (de) |
EP (1) | EP1341955B1 (de) |
JP (1) | JP2004515286A (de) |
KR (1) | KR20030066659A (de) |
AT (1) | ATE347632T1 (de) |
DE (2) | DE10061237A1 (de) |
ES (1) | ES2275752T3 (de) |
WO (1) | WO2002046514A2 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20120637A1 (it) * | 2012-07-19 | 2014-01-20 | Indesit Co Spa | Lavabiancheria con circuito di ricircolo |
CN104981567A (zh) * | 2013-02-15 | 2015-10-14 | 伊莱克斯家用电器股份公司 | 具有改良的液位传感装置的洗衣机 |
EP2982792A1 (de) * | 2014-08-05 | 2016-02-10 | LG Electronics Inc. | Wasserqualitätssensoranordnung einer waschmaschine |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050045260A (ko) * | 2003-11-10 | 2005-05-17 | 삼성전자주식회사 | 수위감지장치가 구비된 드럼세탁기 |
DE102006022100A1 (de) * | 2006-05-11 | 2007-11-15 | BSH Bosch und Siemens Hausgeräte GmbH | Waschmaschine mit Notentleerungsschlauch |
DE102006022099A1 (de) * | 2006-05-11 | 2007-11-15 | BSH Bosch und Siemens Hausgeräte GmbH | Ablaufschlauch mit Notentleerungsfunktion |
DE102007040080A1 (de) * | 2007-08-24 | 2009-02-26 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung und Verfahren zur Ermittlung eines Füllstandes innerhalb eines Laugenbehälters einer Waschmaschine |
SI22680A (sl) | 2007-12-28 | 2009-06-30 | Itw Metalflex, D.O.O. Tolmin | Mnogonamenski pretvornik za pripravo, ki uporablja vodo |
KR20100027031A (ko) * | 2008-08-28 | 2010-03-10 | 주식회사 대우일렉트로닉스 | 드럼세탁기의 세탁수 순환 장치 및 방법 |
IT1394512B1 (it) * | 2009-06-22 | 2012-07-05 | Meccanica Generale Srl | Macchina lavatrice o lavasciugatrice con sistema di ricircolo. |
DE102013214978A1 (de) | 2013-07-31 | 2015-02-05 | BSH Bosch und Siemens Hausgeräte GmbH | Füllstandsbestimmung für Waschmaschine |
CN103757862B (zh) * | 2014-01-03 | 2016-08-17 | 南京乐金熊猫电器有限公司 | 一种节水洗衣机及使用方法 |
KR102466662B1 (ko) * | 2016-06-14 | 2022-11-14 | 엘지전자 주식회사 | 세탁기 및 세탁기의 제어방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2840241B1 (de) * | 1978-09-15 | 1980-03-20 | Bosch Siemens Hausgeraete | Waschmaschinen-Ablaufstutzen |
EP0441984A1 (de) * | 1989-09-07 | 1991-08-21 | Matsushita Electric Industrial Co., Ltd. | Waschmaschine |
DE19652830A1 (de) * | 1996-12-18 | 1998-06-25 | Bosch Siemens Hausgeraete | Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung |
DE19821148A1 (de) * | 1998-05-12 | 1999-11-18 | Aeg Hausgeraete Gmbh | Programmgesteuertes wasserführendes elektrisches Haushaltsgerät |
DE19858386A1 (de) * | 1998-12-17 | 2000-06-21 | Bsh Bosch Siemens Hausgeraete | Transmissionsmeßvorrichtung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1083311B (it) * | 1977-06-16 | 1985-05-21 | Zanussi A Spa Industrie | Perfezionamenti nei dispositivi di controllo del livello del liquido nell vasca di una macchina lavatrice |
JPS60119989A (ja) * | 1983-11-30 | 1985-06-27 | シャープ株式会社 | 洗濯機における洗濯具合判定方法 |
JPS60135092A (ja) * | 1983-12-22 | 1985-07-18 | シャープ株式会社 | 自動洗濯機の制御方法 |
JPS60135097A (ja) * | 1983-12-26 | 1985-07-18 | 松下電器産業株式会社 | 洗濯機の洗濯時間またはすすぎ時間制御装置 |
DE3821306A1 (de) * | 1988-06-24 | 1989-12-28 | Licentia Gmbh | Vorrichtung zur steuerung des laugen-abpumpvorgangs bei waschmaschinen |
IT1234685B (it) * | 1989-02-02 | 1992-05-26 | Zanussi A Spa Industrie | Macchina lavatrice. |
JP2722654B2 (ja) * | 1989-04-21 | 1998-03-04 | 松下電器産業株式会社 | 洗濯機の制御装置 |
JPH03133495A (ja) * | 1989-10-19 | 1991-06-06 | Matsushita Electric Ind Co Ltd | 洗濯機 |
JPH04244192A (ja) * | 1991-01-30 | 1992-09-01 | Matsushita Electric Ind Co Ltd | 洗濯機の制御装置 |
US5272892A (en) * | 1991-07-24 | 1993-12-28 | Eaton Corporation | Control system for washing machine |
US6481246B1 (en) * | 2000-07-19 | 2002-11-19 | Maytag Corporation | Drain pump mounted pressure switch for a washing machine |
-
2000
- 2000-12-08 DE DE10061237A patent/DE10061237A1/de not_active Ceased
-
2001
- 2001-12-03 KR KR10-2003-7006443A patent/KR20030066659A/ko not_active Application Discontinuation
- 2001-12-03 WO PCT/EP2001/014124 patent/WO2002046514A2/de active IP Right Grant
- 2001-12-03 DE DE50111600T patent/DE50111600D1/de not_active Expired - Lifetime
- 2001-12-03 EP EP01986848A patent/EP1341955B1/de not_active Expired - Lifetime
- 2001-12-03 ES ES01986848T patent/ES2275752T3/es not_active Expired - Lifetime
- 2001-12-03 JP JP2002548224A patent/JP2004515286A/ja active Pending
- 2001-12-03 AT AT01986848T patent/ATE347632T1/de not_active IP Right Cessation
-
2003
- 2003-06-09 US US10/457,744 patent/US6901777B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2840241B1 (de) * | 1978-09-15 | 1980-03-20 | Bosch Siemens Hausgeraete | Waschmaschinen-Ablaufstutzen |
EP0441984A1 (de) * | 1989-09-07 | 1991-08-21 | Matsushita Electric Industrial Co., Ltd. | Waschmaschine |
DE19652830A1 (de) * | 1996-12-18 | 1998-06-25 | Bosch Siemens Hausgeraete | Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung |
DE19821148A1 (de) * | 1998-05-12 | 1999-11-18 | Aeg Hausgeraete Gmbh | Programmgesteuertes wasserführendes elektrisches Haushaltsgerät |
DE19858386A1 (de) * | 1998-12-17 | 2000-06-21 | Bsh Bosch Siemens Hausgeraete | Transmissionsmeßvorrichtung |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Section Ch, Week 199241 Derwent Publications Ltd., London, GB; Class F07, AN 1992-337771 XP002199392 -& JP 04 244192 A (MATSUSHITA ELEC IND CO LTD), 1. September 1992 (1992-09-01) * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITTO20120637A1 (it) * | 2012-07-19 | 2014-01-20 | Indesit Co Spa | Lavabiancheria con circuito di ricircolo |
WO2014013388A1 (en) * | 2012-07-19 | 2014-01-23 | Indesit Company S.P.A. | Washing machine provided with a recirculation circuit |
EP3546635A1 (de) * | 2012-07-19 | 2019-10-02 | Whirlpool EMEA S.p.A | Waschmaschine mit einem rückführungszyklus |
CN104981567A (zh) * | 2013-02-15 | 2015-10-14 | 伊莱克斯家用电器股份公司 | 具有改良的液位传感装置的洗衣机 |
CN104981567B (zh) * | 2013-02-15 | 2017-05-10 | 伊莱克斯家用电器股份公司 | 具有改良的液位传感装置的洗衣机 |
EP2982792A1 (de) * | 2014-08-05 | 2016-02-10 | LG Electronics Inc. | Wasserqualitätssensoranordnung einer waschmaschine |
US9567702B2 (en) | 2014-08-05 | 2017-02-14 | Lg Electronics Inc. | Washing machine |
Also Published As
Publication number | Publication date |
---|---|
ATE347632T1 (de) | 2006-12-15 |
ES2275752T3 (es) | 2007-06-16 |
JP2004515286A (ja) | 2004-05-27 |
US20040007029A1 (en) | 2004-01-15 |
EP1341955B1 (de) | 2006-12-06 |
EP1341955A2 (de) | 2003-09-10 |
WO2002046514A3 (de) | 2002-07-25 |
DE10061237A1 (de) | 2002-06-27 |
US6901777B2 (en) | 2005-06-07 |
KR20030066659A (ko) | 2003-08-09 |
DE50111600D1 (de) | 2007-01-18 |
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