EP1918448A1 - Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel - Google Patents

Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel Download PDF

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Publication number
EP1918448A1
EP1918448A1 EP06123268A EP06123268A EP1918448A1 EP 1918448 A1 EP1918448 A1 EP 1918448A1 EP 06123268 A EP06123268 A EP 06123268A EP 06123268 A EP06123268 A EP 06123268A EP 1918448 A1 EP1918448 A1 EP 1918448A1
Authority
EP
European Patent Office
Prior art keywords
washing machine
led
lighting device
wash
control means
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
Application number
EP06123268A
Other languages
English (en)
French (fr)
Other versions
EP1918448B1 (de
Inventor
Valter Castellarin
Chris Hill
Luca Gruppo
Daniele Favaro
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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
Priority to PL06123268T priority Critical patent/PL1918448T3/pl
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to AT06123268T priority patent/ATE501297T1/de
Priority to DE602006020591T priority patent/DE602006020591D1/de
Priority to EP10193424.8A priority patent/EP2325372B1/de
Priority to ES06123268T priority patent/ES2363728T3/es
Priority to EP10193419A priority patent/EP2314751B1/de
Priority to EP06123268A priority patent/EP1918448B1/de
Priority to PCT/EP2007/009020 priority patent/WO2008052659A1/en
Publication of EP1918448A1 publication Critical patent/EP1918448A1/de
Application granted granted Critical
Publication of EP1918448B1 publication Critical patent/EP1918448B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/266—Gaskets mounted between tub and casing around the loading opening
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups

Definitions

  • the present invention relates to a washing machine with a wash drum lighting device.
  • last-generation household washing machines are equipped with a lighting device, normally located inside the wash chamber of the machine to illuminate the drum, so that the laundry inside the drum is visible to the user during and/or at the end of the wash cycle.
  • the lighting device comprises a halogen or incandescent lamp located inside the wash chamber, at the door opening of the machine, and oriented to light the inside of the drum; and an electric control circuit for supplying the lamp with a given electric power.
  • the washing machine lighting device described above has various drawbacks.
  • the incandescent or halogen lamps of lighting devices of the above type also have the major drawback of high operating temperature.
  • highly complex electronic control circuits are required to control power supply to the lamp as a function of the temperature of the lamp, and so prevent overheating and the risk of fire.
  • halogen or incandescent lamps indiscriminately illuminate all the space surrounding the lamp, as opposed to producing a light beam directed solely onto the drum area to be illuminated. In point of fact, a large percentage of the light beam emitted by the lamps of currently used lighting devices is wasted.
  • a washing machine comprising a wash drum lighting device as claimed in the accompanying Claims.
  • Number 1 in Figure 1 indicates as a whole a household washing machine substantially comprising a substantially parallelepiped-shaped outer casing 2, one outer face of which has an opening 3 to which a door (not shown) is hinged.
  • Washing machine 1 also comprises a wash chamber 5 housed inside casing 2 and connected to opening 3 by a tubular seal or bellows 6; and a wash drum 7 housed inside wash chamber 5 and rotated, in use, by a drive unit (not shown) about a substantially horizontal axis of rotation A.
  • Washing machine 1 also comprises a lighting device 8 for lighting wash drum 7 and which, unlike the wash drum lighting devices of known washing machines, comprises one or more LEDs 9 for emitting one or more light beams towards the opening of wash drum 7 to illuminate the inside of the drum.
  • lighting device 8 comprises a substantially ogival casing or shell 10, which has a lens 11 at one end 10a and fits stably, but in easily removable manner, inside a seat 12 formed in bellows 6, so that lens 11 faces wash drum 7 (Figure 1).
  • Lighting device 8 also comprises a supporting rod 13, which has LED 9 at one end 13a and fits axially inside a tubular cavity 14 formed in shell 10, so that LED 9 is positioned facing lens 11 of shell 10.
  • Lens 11 provides for concentrating the light beam from LED 9 onto wash drum 7, and, in the example shown, is designed to produce a light-emitting cone with an angle ⁇ of about 80°.
  • lens 11 provides for appropriately collimating the light beams from LEDs 9 onto wash drum 7.
  • shell 10 is made of preferably transparent plastic material, and, in addition to the optical function described above, also protects LED 9 on rod 13 against water.
  • shell 10 is provided on the end with a number of axially spaced lock seals 15, which, on the one hand, seal the end of seat 12 facing wash drum 7, to protect LED 9 against water, and, on the other, assist in locking shell 10 axially inside seat 12.
  • Shell 10 also has two longitudinal anchoring flanges 16, which project from the opposite end of shell 10 to lens 11, are positioned facing and parallel to each other, and the free end of each of which has a supporting edge 16a which, when shell 10 is fitted inside seat 12, rests on the end edge of seat 12 opposite wash drum 7 to prevent axial movement of shell 10 towards wash drum 7.
  • Supporting rod 13 is substantially cylindrical, is made of metal, such as aluminium or any other similar metal material, and provides for dissipating into the outside atmosphere the heat generated by LED 9.
  • the body of rod 13 has two longitudinal grooves 17 (only one shown in Figure 2), each for housing a portion of conducting wire of LED 9; and two anchoring tabs 18 (only one shown in Figure 2) which fit inside respective seats (not shown), formed in the inner walls of tubular cavity 14 of shell 10, to mechanically connect rod 13 and shell 10 into one body.
  • Seat 12 is substantially complementary in shape to the outer shape of shell 10, and is preferably integrated in the top portion of bellows 6 to reduce exposure of lighting device 8 to water.
  • seat 12 extends along an axis B preferably lying in a vertical diametrical plane of bellows 6 and substantially sloping with respect to horizontal axis A of the wash drum.
  • axis B is substantially parallel to axis A, and seat 12 extends substantially on the inner wall of bellows 6.
  • lighting device 8 also comprises an electronic control unit 19 connected to and for supplying electric operating power to LED 9.
  • Electronic control unit 19 substantially comprises a power block 20 for generating the current/voltage supply of LED 9; a detecting block 21 for detecting the junction temperature T G of LED 9; and a control block 22 for controlling power block 20 as a function of the temperature T G reading.
  • power block 20 may be defined by an electronic PWM (Pulse Width Modulation) circuit connected to the two input terminals of LED 9 to supply electric power to the LED, and having an input supplied with a control signal S COM indicating the electric power to be supplied to LED 9.
  • PWM Pulse Width Modulation
  • Detecting block 21 is input-connected to the two input terminals of LED 9, and has an output supplying a current/voltage signal S T proportional to the junction temperature T G of LED 9; and control block 22 receives and processes signal S T to produce, as a function of the junction temperature T G reading, signal S COM coding the value of the electric power to be supplied to LED 9.
  • control block 22 may be defined by a microprocessor, which compares the temperature T G reading with a predetermined maximum temperature threshold T S , and, in the event the temperature T G reading exceeds the predetermined maximum temperature threshold T S , provides for controlling power block 20 to reduce the electric power supply to LED 9 and so reduce the junction temperature of LED 9.
  • electronic control unit 19 acts as an electronic closed-loop circuit, which controls LED 9 to keep its junction temperature stable below the predetermined maximum temperature threshold T S .
  • LED 9 of lighting device 8 may be defined by a one-colour LED to generate a light beam of one predetermined colour; or by a multicolour RGB diode for generating a number of light beams of different colours, i.e. a number of light beams of different frequency spectrums; or by a number of LEDs, each emitting a light beam of a different colour.
  • lighting device 8 comprises a multicolour RGB diode or a number of LEDs of different colours
  • the colour of the light beam directed onto wash drum 7 can be varied as a function of the operating conditions and/or operating status of washing machine 1.
  • Electronic control unit 19 is able to control the multicolour RGB diode to generate a light beam with a frequency spectrum, i.e. a colour, associated with a given operating condition or a given operating status of the washing machine.
  • electronic control unit 19 may control the multicolour RGB diode or the LEDs to generate a light beam of a predetermined first colour, e.g. red, when the operating status corresponds to the start of the wash cycle; and/or to generate a light beam of a predetermined second colour, e.g. green, when the operating status corresponds to the end of the wash cycle; and/or to generate a light beam of a predetermined third colour, e.g. yellow, when washing machine 1 is in an intermediate wash cycle status.
  • a predetermined first colour e.g. red
  • a predetermined second colour e.g. green
  • a predetermined third colour e.g. yellow
  • Emission of different-coloured light beams may be activated by control block 22 on the basis of an information signal S INF supplied to control block 22 by an additional external control module for controlling and monitoring the operating status of washing machine 1.
  • Lighting device 8 of washing machine 1 described above has numerous advantages.
  • using LED 9 provides for : reducing electric power consumption in use; and reducing the heat produced during emission of the beam, also by virtue of the heat-dissipating function performed by supporting rod 13.
  • LED 9 advantageously provides for concentrating the projected beam solely on the opening of wash drum 7, thus reducing light dispersion outside the drum.
  • lighting device 8 has the major advantage of coding the operating status of washing machine 1 by means of a predetermined colour, thus enabling the user to determine the current operating condition of washing machine 1 quickly and easily, even at a distance from the machine, simply on the basis of the colour of the light projected onto the drum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP06123268A 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel Active EP1918448B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT06123268T ATE501297T1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer beleuchtungseinrichtung für eine trommel
DE602006020591T DE602006020591D1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
EP10193424.8A EP2325372B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
ES06123268T ES2363728T3 (es) 2006-10-31 2006-10-31 Máquina lavadora con un dispositivo de iluminación del tambor de lavar.
PL06123268T PL1918448T3 (pl) 2006-10-31 2006-10-31 Pralka z urządzeniem oświetleniowym bębna
EP06123268A EP1918448B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
EP10193419A EP2314751B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
PCT/EP2007/009020 WO2008052659A1 (en) 2006-10-31 2007-10-18 Washing machine with a wash drum lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06123268A EP1918448B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP10193419.8 Division-Into 2010-12-02
EP10193424.8 Division-Into 2010-12-02

Publications (2)

Publication Number Publication Date
EP1918448A1 true EP1918448A1 (de) 2008-05-07
EP1918448B1 EP1918448B1 (de) 2011-03-09

Family

ID=37837009

Family Applications (3)

Application Number Title Priority Date Filing Date
EP10193424.8A Not-in-force EP2325372B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
EP10193419A Not-in-force EP2314751B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
EP06123268A Active EP1918448B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP10193424.8A Not-in-force EP2325372B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel
EP10193419A Not-in-force EP2314751B1 (de) 2006-10-31 2006-10-31 Waschmaschine mit einer Beleuchtungseinrichtung für eine Trommel

Country Status (6)

Country Link
EP (3) EP2325372B1 (de)
AT (1) ATE501297T1 (de)
DE (1) DE602006020591D1 (de)
ES (1) ES2363728T3 (de)
PL (1) PL1918448T3 (de)
WO (1) WO2008052659A1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2418314A1 (de) * 2010-08-09 2012-02-15 Miele & Cie. KG Waschmaschine mit einer Faltenbalgdichtung
EP2458054A1 (de) * 2010-11-29 2012-05-30 Electrolux Home Products Corporation N.V. Verfahren zum Betrieb einer Trommelbeleuchtungsvorrichtung in einer Wäschebehandlungsmaschine und Wäschebehandlungsmaschine mit dem Verfahren
EP2458059A1 (de) * 2010-11-29 2012-05-30 Electrolux Home Products Corporation N.V. Waschmaschine mit Trommelbeleuchtungsvorrichtung
WO2012156088A1 (de) * 2011-05-19 2012-11-22 Marquardt Mechatronik Gmbh Beleuchtung für ein hausgerät
ITRN20110075A1 (it) * 2011-11-07 2013-05-08 Indesit Co Spa Elettrodomestico.
EP2706139A1 (de) * 2012-09-07 2014-03-12 Electrolux Home Products Corporation N.V. Verbesserungen an einer Abflusskreisfilteranordnung für Waschvorrichtungen
WO2014101965A1 (en) 2012-12-30 2014-07-03 Arcelik Anonim Sirketi A washing machine having an illuminated drum
WO2015117917A1 (de) * 2014-02-04 2015-08-13 BSH Hausgeräte GmbH Haushaltsgerät
EP2840338B1 (de) * 2013-08-23 2017-05-24 Whirlpool Corporation Verfahren und Vorrichtung zur Bestimmung der durchschnittlichen Temperatur eines Haushaltsgeräteschranks mithilfe von Leuchtdioden (LEDs)
WO2017089026A1 (de) * 2015-11-24 2017-06-01 BSH Hausgeräte GmbH Beleuchtungseinrichtung, wäschetrommel und wäschebehandlungsgerät
DE102009034841B4 (de) * 2009-07-27 2020-11-26 Emz-Hanauer Gmbh & Co. Kgaa Lichtabgabeeinrichtung für eine Trommel eines Haushaltsgeräts

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1019306A5 (nl) 2010-11-25 2012-05-08 Medibeg N V Manchet voor wasmachine.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916652A (en) * 1973-06-26 1975-11-04 Procter & Gamble Washing machine
DE3843385A1 (de) * 1988-12-23 1990-07-05 Licentia Gmbh Stirnseitig beschickbare trommelwaschmaschine
DE3843386A1 (de) * 1988-12-23 1990-07-05 Licentia Gmbh Stirnseitig beschickbare trommelwaschmaschine
DE4337186A1 (de) * 1993-10-30 1995-05-04 Miele & Cie Trommelwaschmaschine mit einer elektrischen Lichtquelle
US5869932A (en) * 1995-09-18 1999-02-09 Samsung Electronics Co., Ltd. Automatic illuminating apparatus of washing machine and control circuit thereof
EP1048775A1 (de) * 1999-04-27 2000-11-02 Miele & Cie. GmbH & Co. Stirnseitig beschickbare Trommelwaschmaschine mit einer Beleuchtungseinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004016643A1 (de) 2004-03-30 2005-10-27 Whirlpool Corp., Benton Harbor Waschmaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916652A (en) * 1973-06-26 1975-11-04 Procter & Gamble Washing machine
DE3843385A1 (de) * 1988-12-23 1990-07-05 Licentia Gmbh Stirnseitig beschickbare trommelwaschmaschine
DE3843386A1 (de) * 1988-12-23 1990-07-05 Licentia Gmbh Stirnseitig beschickbare trommelwaschmaschine
DE4337186A1 (de) * 1993-10-30 1995-05-04 Miele & Cie Trommelwaschmaschine mit einer elektrischen Lichtquelle
US5869932A (en) * 1995-09-18 1999-02-09 Samsung Electronics Co., Ltd. Automatic illuminating apparatus of washing machine and control circuit thereof
EP1048775A1 (de) * 1999-04-27 2000-11-02 Miele & Cie. GmbH & Co. Stirnseitig beschickbare Trommelwaschmaschine mit einer Beleuchtungseinrichtung

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009034841B4 (de) * 2009-07-27 2020-11-26 Emz-Hanauer Gmbh & Co. Kgaa Lichtabgabeeinrichtung für eine Trommel eines Haushaltsgeräts
EP2418314A1 (de) * 2010-08-09 2012-02-15 Miele & Cie. KG Waschmaschine mit einer Faltenbalgdichtung
US9074760B2 (en) 2010-11-29 2015-07-07 Electrolux Home Products Corporation N.V Laundry machine having drum illumination device
EP2458054A1 (de) * 2010-11-29 2012-05-30 Electrolux Home Products Corporation N.V. Verfahren zum Betrieb einer Trommelbeleuchtungsvorrichtung in einer Wäschebehandlungsmaschine und Wäschebehandlungsmaschine mit dem Verfahren
EP2458059A1 (de) * 2010-11-29 2012-05-30 Electrolux Home Products Corporation N.V. Waschmaschine mit Trommelbeleuchtungsvorrichtung
WO2012072472A1 (en) * 2010-11-29 2012-06-07 Electrolux Home Products Corporation N.V. Laundry machine having drum illumination device
WO2012072470A1 (en) * 2010-11-29 2012-06-07 Electrolux Home Products Corporation N.V. Method for operating a drum lighting device in a laundry treatment machine and laundry treatment machine implementing the method
CN103261506A (zh) * 2010-11-29 2013-08-21 伊莱克斯家用产品股份有限公司 具有滚筒照明装置的洗衣机
CN103261506B (zh) * 2010-11-29 2016-04-20 伊莱克斯家用产品股份有限公司 洗衣机
US9258870B2 (en) 2010-11-29 2016-02-09 Electrolux Home Products Corporation N.V. Method for operating a drum lighting device in a laundry treatment machine and laundry treatment machine implementing the method
WO2012156088A1 (de) * 2011-05-19 2012-11-22 Marquardt Mechatronik Gmbh Beleuchtung für ein hausgerät
CN103842721A (zh) * 2011-05-19 2014-06-04 马夸特机械电子有限责任公司 用于家用器具的照明单元
US20140140073A1 (en) * 2011-05-19 2014-05-22 Marquardt Mechatronik Gmbh Lighting unit for a household appliance
US9903582B2 (en) 2011-05-19 2018-02-27 Marquardt Mechatronik Gmbh Lighting unit for a household appliance
CN103842721B (zh) * 2011-05-19 2018-06-26 马夸特机械电子有限责任公司 用于家用器具的照明单元
ITRN20110075A1 (it) * 2011-11-07 2013-05-08 Indesit Co Spa Elettrodomestico.
WO2014037455A1 (en) * 2012-09-07 2014-03-13 Electrolux Home Products Corporation N.V. Improvements to draining circuit filter arrangement for washing appliances
EP2706139A1 (de) * 2012-09-07 2014-03-12 Electrolux Home Products Corporation N.V. Verbesserungen an einer Abflusskreisfilteranordnung für Waschvorrichtungen
WO2014101965A1 (en) 2012-12-30 2014-07-03 Arcelik Anonim Sirketi A washing machine having an illuminated drum
EP2840338B1 (de) * 2013-08-23 2017-05-24 Whirlpool Corporation Verfahren und Vorrichtung zur Bestimmung der durchschnittlichen Temperatur eines Haushaltsgeräteschranks mithilfe von Leuchtdioden (LEDs)
WO2015117917A1 (de) * 2014-02-04 2015-08-13 BSH Hausgeräte GmbH Haushaltsgerät
EP3144424A1 (de) * 2014-02-04 2017-03-22 BSH Hausgeräte GmbH Haushaltsgerät
WO2017089026A1 (de) * 2015-11-24 2017-06-01 BSH Hausgeräte GmbH Beleuchtungseinrichtung, wäschetrommel und wäschebehandlungsgerät

Also Published As

Publication number Publication date
EP1918448B1 (de) 2011-03-09
EP2325372B1 (de) 2013-05-15
ATE501297T1 (de) 2011-03-15
EP2314751A1 (de) 2011-04-27
EP2325372A1 (de) 2011-05-25
EP2314751B1 (de) 2012-08-22
ES2363728T3 (es) 2011-08-12
PL1918448T3 (pl) 2011-10-31
WO2008052659A1 (en) 2008-05-08
DE602006020591D1 (de) 2011-04-21

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