EP0849390B1 - Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung - Google Patents

Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung Download PDF

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Publication number
EP0849390B1
EP0849390B1 EP97119925A EP97119925A EP0849390B1 EP 0849390 B1 EP0849390 B1 EP 0849390B1 EP 97119925 A EP97119925 A EP 97119925A EP 97119925 A EP97119925 A EP 97119925A EP 0849390 B1 EP0849390 B1 EP 0849390B1
Authority
EP
European Patent Office
Prior art keywords
washing machine
machine according
pipe section
drum washing
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
EP97119925A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0849390A3 (de
EP0849390A2 (de
Inventor
Christian Dipl.-Ing. Engel
Gundula Dipl.-Ing. Czyzewski
Wolfgang Proppe
Carsten Dr.-Ing. Stelzer
Andreas Dipl.-Ing. /Dr.-Ing. Stolze
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
Individual
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 Individual filed Critical Individual
Publication of EP0849390A2 publication Critical patent/EP0849390A2/de
Publication of EP0849390A3 publication Critical patent/EP0849390A3/de
Application granted granted Critical
Publication of EP0849390B1 publication Critical patent/EP0849390B1/de
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
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • 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
    • D06F39/083—Liquid discharge or recirculation 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
    • 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

Definitions

  • the invention relates to a drum washing machine with a between one in the bottom Suds container arranged drain hole and one located further up in the suds container Opening guided multi-part liquid line, which contains a line section, the only serves to circulate the lye in the tub between Hold opening and drain hole, and the one solid pipe section with a see-through Has an area on the wall of which responds to the cloudiness of the alkali, one optical transmitter and an optical receiver-containing sensor is installed.
  • Such a drum washing machine is known from DE 36 03 323 A1.
  • the Sensor installed so far down in the suds drain system that there remains in the suds drain system Water to calcify the transparent area and to reduce transparency can lead to falsify the measured values recorded by the sensor.
  • the known turbidity sensor is subject to severe vibrations when spinning, because the known line section on the one hand on the vibrating tub and on the other is attached to the fixed drain pump. Transfer the tub vibrations therefore rely on the sensor.
  • the attachment points of the line section subject to very heavy loads.
  • the invention has for its object in a drum washing machine described above to design the arrangement of an optical sensor for the cloudiness of the lye, that neither the sensor nor the fastenings of the line section due to vibrations too heavy when spinning and that the transparent area of the pipe section is not clouded by limescale.
  • this object is achieved in that the line section on the one hand an upper part of a drain pipe connected to the drain hole and on the other hand on the is connected higher to the tub and the sensor in a fork-like, the pipe section encompassing housing is installed, which on the contact surfaces is adapted to the transparent area of the outer shape of the pipe section.
  • the sensor reaches an area below the tub, in which it is not is more exposed to the remaining lye residue, although it is used for the purpose of Turbidity measurement of the alkali during washing and / or rinsing fully with the respective Alkali is applied.
  • vibrations during the skidding are for the Sensor and the fastenings of the line section harmless because of the line section is connected at both ends to connections that swing in the same direction as the tub.
  • the pipe section has a on its outer wall base-like thickening with a mounting surface facing away from the interior of the tube and is used to attach the sensor.
  • the transmitter and receiver have a fixed and unchangeable one Position to each other.
  • the fork extensions are interconnected by a bridge connected to each other for positioning the LED and the phototransistor serves to mount the housing on the base-like thickening.
  • the line section of the Washing machine according to the invention is designed in a special way that the Pipe section with the upper part of the drain line connected to the drain hole is liquid-tight is connected and via a flexible elbow to the opening in the tub Has connection.
  • the line bend is therefore preferably designed to be flexible so that the Line section can be easily assembled in the manufacture of the washing machine.
  • To the line bend can be formed from a rubber-like material and have a fold or instead of the fold, the arch can be formed by several folds.
  • the pipe section forms an elbow and is connected to the opening of the tub. This will get the Sensor in the highest possible position, which is still in use when the washing machine is in operation Alkali is applied.
  • the pipe section can either be an integral part of the line section or on its remote from the opening End by means of a pipe with the upper part of the drain pipe connected to the drain hole be connected liquid-tight.
  • the entire line section consist of a solid pipe component or this pipe component outside the pipe section have a multi-part corrugation.
  • the pipe can either be smooth Provide wall or be designed as a corrugated tube. In all cases, it is for the unhindered Flow of the alkali to be measured is particularly advantageous if the pipe section is continuously curved.
  • the washing machine shown in Figure 1 has a housing 1 in which a tub 2 on way not shown here is mounted to vibrate.
  • the washing drum is in the tub 2 3 horizontally rotatable.
  • In the upper part of the tub 2 it can over a line 4 from a supply line 5 via a solenoid valve 6 and a detergent box 7 Water and optionally detergent are added.
  • In the lower section of the tub 2 is connected to a drain hole 8 a drain line 9 in a liquid-tight manner Folds 10 and a further line 11 on a not shown here, firmly mounted in the housing 1 Drain pump is connected.
  • a line section 13 is switched on somewhat higher than the drain hole 8, by constantly leaching out of the opening 12 during operation of the washing machine flows back to the drain line 9 and via the drain hole 8 back into the tub 2. This flow is based on small pressure differences between the lye and the drain hole 8 and the opening 12.
  • a sensor 14 is attached to the line section 13, the output signals of which are via a Line 15 are given to a processing and control device 16. In it the Processed sensor signals in a manner not shown here.
  • the sensor 14 shown in Fig. 2 is housed in a housing, in the fork extensions 17 and 18 on the one hand as an optical transmitter an infrared LED 19 and on the other hand as optical receiver a photo transistor 20 are embedded. Your feed lines are also in the Housing embedded and lead to connections 21 and 22 of a connecting bar 23.
  • the pipe section 24 shown in section contains at least at the positions of the transmitter and the receiver (19 and 20) transparent areas 25, which are transmitted by the transmission beam 26 Infrared LED 19 can be penetrated.
  • the pipe section 24 has at the lower part of it Outer wall a base-like thickening 27 with a mounting surface 28. It is from the interior facing away from the tube 24 and facing the bridge 29 of the sensor housing. she serves for fastening the sensor 14, for which a screw hole 30 is provided in the bridge 29.
  • the line section 13 in Fig. 3 consists of a flexible line bend 31, on the one hand is buttoned into the opening 12 of the tub 2.
  • a support sleeve 32 is also provided.
  • the line bend contains to compensate for tolerances 31 a fold 33 and is equipped at the other end with a fastening grommet 34 which pushed over one end of the pipe section 24 and secured with a hose clamp 35 is.
  • the other end of the pipe section 24 is in a rubber grommet 36 of the drain line 9 and is also secured by a hose clamp 35.
  • the upper part 9 of the drain pipe is slightly longer than without the coupling of a line section 13 and has therefore a support ring 37 which carries a sealing lip 38 at the lower end, which together with A ball 39 seals the drain line.
  • the sensor 14 is on the base-like thickening 27 the pipe section 24 attached by means of a screw. For safe positioning at side walls 40 on the pipe section 24 also contribute to the assembly.
  • the senor 14 according to FIG. 4 is designed as a line bend 41 Pipe section attached.
  • the cable bend has a sharp kink and is at the opening 12 of the tub 2 buttoned by means of a rubber seal 43. It is one piece Part of the line section 13, with its straight part 42 in a rubber grommet 36 of the drain line 9 is inserted. Since the line section 13 in Fig. 4 is a rigid in itself Is formed, there is no need to secure the rubber grommet 36 by means of a hose clamp.
  • FIG. 5 Sensor 14 is also shown in FIG. 5 for a line section 13 attached to pipe section 50 in a similar manner as in the previous examples.
  • the Pipe section is designed as a continuously curved conduit bend 50, one has lower flow resistance than the line kink of the bend 41 in FIG. 4.
  • the line section 13 is formed in two parts. However, in contrast to what is shown in this embodiment also a one-piece design as in Fig. 4 possible. To do this, the Line section 13 may be formed as a blow molded part.
  • the second part of the line section 13 is a corrugated tube 51, the shafts 52 of which only serve to compensate for tolerances can. However, it has been shown that the tolerance compensation already through the rubber parts the button seal 43 and the rubber grommet 36 takes place in a sufficient manner.
  • a hose clamp 35 is required at two-part design of the line section 13 is also in turn on the rubber grommet 36 a hose clamp 35 is required.
  • the components of the line section shown in the exemplary embodiments in FIGS. 3 to 5 can be combined with one another in any way, depending on the environment given requirements.
  • the design of the housing 17, 18 and 29 is also the same of the sensor 14 in FIG. 2 can be changed in any way if the arrangement of the transmitter 19 and of the receiver 20 is maintained.

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)
  • Optical Measuring Cells (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP97119925A 1996-12-18 1997-11-13 Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung Expired - Lifetime EP0849390B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19652830A DE19652830A1 (de) 1996-12-18 1996-12-18 Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung
DE19652830 1996-12-18

Publications (3)

Publication Number Publication Date
EP0849390A2 EP0849390A2 (de) 1998-06-24
EP0849390A3 EP0849390A3 (de) 1999-01-20
EP0849390B1 true EP0849390B1 (de) 2002-06-12

Family

ID=7815240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119925A Expired - Lifetime EP0849390B1 (de) 1996-12-18 1997-11-13 Trommelwaschmaschine mit einer mehrteiligen Flüssigkeitsleitung

Country Status (12)

Country Link
US (1) US5881578A (pl)
EP (1) EP0849390B1 (pl)
KR (1) KR100453784B1 (pl)
CN (1) CN1093197C (pl)
AT (1) ATE219180T1 (pl)
BR (1) BR9706361A (pl)
DE (2) DE19652830A1 (pl)
ES (1) ES2177882T3 (pl)
NZ (1) NZ329427A (pl)
PL (1) PL183831B1 (pl)
RU (1) RU2170295C2 (pl)
TR (1) TR199701590A3 (pl)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19846265A1 (de) * 1998-10-07 2000-04-13 Bsh Bosch Siemens Hausgeraete Verfahren zur Steuerung eines flüssigkeitsführenden Haushaltgeräts sowie nach diesem Verfahren arbeitendes Haushaltgerät
DE19846248A1 (de) * 1998-10-07 2000-04-13 Bsh Bosch Siemens Hausgeraete Verfahren zur Überwachung und Steuerung des Spülprozesses in einer Wäschebehandlungsmaschine sowie nach diesem Verfahren arbeitende Wäschebehandlungsmaschine
US6519034B1 (en) 1998-12-16 2003-02-11 Honeywell International Inc. Oil quality sensor
DE19858386B4 (de) * 1998-12-17 2008-04-03 BSH Bosch und Siemens Hausgeräte GmbH Transmissionsmeßvorrichtung
US6290576B1 (en) 1999-06-03 2001-09-18 Micron Technology, Inc. Semiconductor processors, sensors, and semiconductor processing systems
US7530877B1 (en) * 1999-06-03 2009-05-12 Micron Technology, Inc. Semiconductor processor systems, a system configured to provide a semiconductor workpiece process fluid
US7180591B1 (en) * 1999-06-03 2007-02-20 Micron Technology, Inc Semiconductor processors, sensors, semiconductor processing systems, semiconductor workpiece processing methods, and turbidity monitoring methods
JP3530091B2 (ja) * 1999-12-07 2004-05-24 株式会社東芝 ドラム式洗濯機
DE19961113A1 (de) * 1999-12-17 2001-06-21 Bsh Bosch Siemens Hausgeraete Transmissionsmeßvorrichtung
US6481246B1 (en) 2000-07-19 2002-11-19 Maytag Corporation Drain pump mounted pressure switch for a washing machine
DE10061237A1 (de) * 2000-12-08 2002-06-27 Bsh Bosch Siemens Hausgeraete Waschmaschine
US6456375B1 (en) 2001-02-20 2002-09-24 Honeywell International Inc. Focused laser light turbidity sensor apparatus and method for measuring very low concentrations of particles in fluids
US6567166B2 (en) 2001-02-21 2003-05-20 Honeywell International Inc. Focused laser light turbidity sensor
DE10161300B4 (de) * 2001-12-13 2006-08-03 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsmaschine in Form einer Waschmaschine oder eines Wäschetrockners
KR100825954B1 (ko) * 2001-12-27 2008-04-29 주식회사 엘지이아이 세탁기
JP2005512743A (ja) * 2001-12-27 2005-05-12 エルジー エレクトロニクス インコーポレーテッド 洗濯機
US20030127855A1 (en) * 2002-01-10 2003-07-10 Holm Industries, Inc. Integrated quick connect corrugated tubing assembly
JP3948298B2 (ja) * 2002-02-12 2007-07-25 株式会社デンソー 管状部材の取付構造
DE602007013017D1 (de) * 2007-05-30 2011-04-21 Electrolux Home Prod Corp Waschmaschine
PL2050858T3 (pl) * 2007-10-18 2011-08-31 Electrolux Home Products Corp Nv Pralka ładowana od przodu
EP2455534B1 (en) * 2010-11-22 2017-01-11 Electrolux Home Products Corporation N.V. Washing machine
KR101933139B1 (ko) * 2012-01-10 2018-12-28 삼성전자주식회사 드럼 세탁기
DE102012111163A1 (de) * 2012-11-20 2014-05-22 Miele & Cie. Kg Haushaltsgerät und Verfahren zum Befestigen eines Schlauchs an einem Schlauchanschlussteil eines Haushaltsgeräts
WO2014174715A1 (ja) * 2013-04-25 2014-10-30 三菱電機株式会社 車両用空気調和装置
US9752731B2 (en) 2014-08-01 2017-09-05 Kevin C. Goodsell Systems and methods for conserving water and other resources for use with commercial washing machines
KR102201141B1 (ko) 2014-08-05 2021-01-08 엘지전자 주식회사 세탁기
DE102015209824A1 (de) 2015-05-28 2016-12-01 BSH Hausgeräte GmbH Vorrichtung und Verfahren zur Bestimmung der Schmutzfracht in einer Spül- oder Waschflotte
CN109941636A (zh) * 2019-03-04 2019-06-28 刘苏童 一种垃圾箱

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ES509735A0 (es) * 1981-02-18 1983-02-01 Eaton Sa Monaco Dispositivo sensor destinado a ser utilizado en maquinas lavadoras.
DE3234058A1 (de) * 1982-09-14 1984-03-15 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Automatisch gesteuerte trommelwaschmaschine
CA1266385A (en) * 1985-01-08 1990-03-06 Koji Kikuchi Washing machine with a turbidimeter and method of operating the same
DE3603323C2 (de) * 1986-02-04 1996-12-12 Bosch Siemens Hausgeraete Trommelwaschmaschine mit einer mehrteiligen Flüssigkeits-Leitung
KR920012619A (ko) * 1990-12-28 1992-07-27 강진구 세탁기의 세탁물 탁도 감지장치
KR920012620A (ko) * 1990-12-28 1992-07-27 강진구 퍼지(fuzzy) 추론을 이용한 세탁기의 제어장치 및 제어방법
JPH04240485A (ja) * 1991-01-25 1992-08-27 Matsushita Electric Ind Co Ltd 洗濯機の濁度検知装置
KR920021780A (ko) * 1991-05-24 1992-12-18 강진구 전자동 세탁기의 제어장치 및 제어방법
JP2654300B2 (ja) * 1992-02-18 1997-09-17 三洋電機株式会社 洗濯機の濁度検知装置
JP3091584B2 (ja) * 1992-10-20 2000-09-25 株式会社東芝 洗濯機
JPH06285286A (ja) * 1993-03-31 1994-10-11 Sanyo Electric Co Ltd 洗濯機
DE19521326A1 (de) * 1995-06-12 1996-12-19 Bosch Siemens Hausgeraete Verfahren zur Temperaturkompensation der Meßwerte eines Trübungssensors in einer automatischen Wasch- oder Geschirrspülmaschine

Also Published As

Publication number Publication date
DE19652830A1 (de) 1998-06-25
BR9706361A (pt) 1999-05-04
EP0849390A3 (de) 1999-01-20
TR199701590A2 (xx) 1998-07-21
US5881578A (en) 1999-03-16
NZ329427A (en) 1999-10-28
KR19980063970A (ko) 1998-10-07
CN1185499A (zh) 1998-06-24
CN1093197C (zh) 2002-10-23
ATE219180T1 (de) 2002-06-15
TR199701590A3 (tr) 1998-07-21
KR100453784B1 (ko) 2005-04-20
ES2177882T3 (es) 2002-12-16
PL323656A1 (en) 1998-06-22
EP0849390A2 (de) 1998-06-24
DE59707490D1 (de) 2002-07-18
RU2170295C2 (ru) 2001-07-10
PL183831B1 (pl) 2002-07-31

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