EP0704567A1 - Dispositif pour éviter le balourd dans les machines à laver le linge - Google Patents

Dispositif pour éviter le balourd dans les machines à laver le linge Download PDF

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Publication number
EP0704567A1
EP0704567A1 EP95111984A EP95111984A EP0704567A1 EP 0704567 A1 EP0704567 A1 EP 0704567A1 EP 95111984 A EP95111984 A EP 95111984A EP 95111984 A EP95111984 A EP 95111984A EP 0704567 A1 EP0704567 A1 EP 0704567A1
Authority
EP
European Patent Office
Prior art keywords
speed
spin
drum
extraction
washload
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
EP95111984A
Other languages
German (de)
English (en)
Other versions
EP0704567B1 (fr
Inventor
Silvio Battistella
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 Zanussi SpA
Original Assignee
Electrolux Zanussi Elettrodomestici SpA
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 Electrolux Zanussi Elettrodomestici SpA filed Critical Electrolux Zanussi Elettrodomestici SpA
Publication of EP0704567A1 publication Critical patent/EP0704567A1/fr
Application granted granted Critical
Publication of EP0704567B1 publication Critical patent/EP0704567B1/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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/16—Imbalance
    • 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 
    • D06F33/48—Preventing or reducing imbalance or noise
    • 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
    • D06F2103/26—Imbalance; Noise 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry

Definitions

  • the present invention refers to a clothes washing machine, such as in particular a household clothes washing machine, provided with improved arrangements capable of measuring and re-balance unbalanced washloads in the rotating drum of such washing machines when the washload undergoes spin-extraction cycles in the same machines.
  • the Italian patent application IT PN91A000020 by the same applicant teaches how to detect unbalance conditions on the basis of the phase shift between the absorbed current and the supply voltage of the drum driving motor.
  • water will be used in a general way to also mean washing liquor or rinsing water. Such a simplification, however, will not impair the clear comprehensibility of the description owing to the particular context in which said terms are used, as anyone skilled in the art can readily appreciate.
  • the clothes washing machine being described comprises a washing tub, a drum that is rotatably mounted within said washing tub and is capable of holding the items forming the washload, a selectively actuatable drain pump, a driving motor adapted to operate at preselectably variable speeds, an arrangement adapted to detect the unbalance condition of the washload in the rotating drum, to selectively compare it with a plurality of pre-determined unbalance levels and to selectively start different actions or operation modes according to the outcome of said comparisons.
  • the arrangement monitoring the unbalance condition of the washload in the drum is then activated: if the detected unbalance condition turns out to be lower than a pre-established value B c1 , the spin-extraction phase goes on beyond said time T2; if on the contrary said condition does not occur, the same spin-extraction sequence is brought back to the afore considered time T0, from which the just described sequence then starts again.
  • Such a procedure of low-speed rotations BV, low-speed spin-extraction phases CBV and check-ups of the unbalance condition of the washload is repeated automatically until either a lower value than the specified level B c1 is reached or the same procedure has been repeated for a pre-determined maximum number of times.
  • the just described procedure is substantially known in the art, so that it shall not be explained here any further.
  • the drum is abruptly driven to perform a spin-extraction cycle for a short impulse, which it reaches in correspondence of the time T3 and which lasts for a very short period of time, ie. approx. 3 seconds, at an intermediate speed of usually around 450 rpm.
  • the drum RPM is slowed down to the value of the slow-speed spin-extraction sequence CBV and is kept at that value throughout the period extending from the time T7 to the time T8, during which the unbalance condition of the washload is then measured and checked.
  • the washload is found to have any greater unbalance than a pre-determined level B c2 , then the whole spin-extraction phase is cycled back to the beginning, ie. to the time T0, since that would practically mean that the unbalance condition is still in excess of what is actually required in order to be able to safely start any further spin-extraction sequence at still higher speeds.
  • the existing unbalance condition albeit reduced in its extent, would necessarily have to be accepted as such and, at the same time, it would also be necessary that the spin-extraction speed be anyway limited to a lower value than the highest one VC max provided for by the cycle in order to avoid creating conditions of marked vibrations, with limited-amplitude, but high-frequency oscillations of the machine which, albeit not prohibitive as far as the correct operation and the integrity of the structure of the machine are concerned, would be trasnsmitted through the base of the machine to the floor and, ultimately, the whole room.
  • the present invention may be further improved in an advantageous manner through the additions of various features.
  • the unbalance condition detected in the time interval T7-T8 is found to be at a level which is below the afore cited pre-determined highest allowable level B c2 , but higher than a pre-determined intermediate level B c3 , the subsequent final spin-extraction sequence may be performed at a speed which is reduced to the value VC1, ie. a value which is slightly lower than the highest spin-extraction speed VC max , but anyway still adequate in order to ensure an acceptable spin-extraction result without giving rise to the undesired vibrations transmitted by the machine.
  • Figure 2 is self-explaining for anyone skilled in the art and shows a block diagram illustrating the logical flow of the various sequences of drum rotation, measurement of the washload unbalance condition, and corresponding decision concerning the step to be taken subsequently, with reference to the most important ones cited in this description.
  • the measurement of the unbalance condition which is subsequently performed during the intermediate-speed spin-extraction sequence in the time interval T7-T8 has the purpose to ensure that the unbalance level of the washload is as low as to be able to keep within pre-determined limits the vibrations transmitted by the machine to the surrounding structure of the building during the subsequent high-speed final spin-extraction sequence.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Centrifugal Separators (AREA)
EP95111984A 1994-09-28 1995-07-31 Dispositif pour éviter le balourd dans les machines à laver le linge Expired - Lifetime EP0704567B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPN940057 1994-09-28
IT94PN000057A IT1267586B1 (it) 1994-09-28 1994-09-28 Lavabiancheria con dispositivo perfezionato anti-sbilanciamento

Publications (2)

Publication Number Publication Date
EP0704567A1 true EP0704567A1 (fr) 1996-04-03
EP0704567B1 EP0704567B1 (fr) 1999-03-24

Family

ID=11394949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95111984A Expired - Lifetime EP0704567B1 (fr) 1994-09-28 1995-07-31 Dispositif pour éviter le balourd dans les machines à laver le linge

Country Status (5)

Country Link
EP (1) EP0704567B1 (fr)
JP (1) JP3681444B2 (fr)
DE (1) DE69508510T2 (fr)
ES (1) ES2132474T3 (fr)
IT (1) IT1267586B1 (fr)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0807706A2 (fr) * 1996-05-14 1997-11-19 ANTONIO MERLONI S.p.A. Procédé pour laver le linge, de telle sorte qu'il n'adhère pas au tambour, dans une machine à laver
GB2322141A (en) * 1997-02-12 1998-08-19 Toshiba Kk Control of spin-drying phase of washing machine
WO1999053130A2 (fr) * 1998-04-14 1999-10-21 Simsek Tugla Systeme d'equilibrage intelligent
WO2000028128A1 (fr) * 1998-11-10 2000-05-18 Electrolux Zanussi S.P.A. Procede pour empecher le desequilibre de la charge d'une machine a laver
CN1318619C (zh) * 2004-08-30 2007-05-30 金川集团有限公司 一种钴电解液的除铜方法
EP1911869A1 (fr) * 2006-10-12 2008-04-16 Brandt Industries Procédé d'essorage final d'un cycle de lavage d'une machine à laver le linge
CN102162031A (zh) * 2011-04-11 2011-08-24 乔国昌 一种钴电解液的除铁方法
CN101611186B (zh) * 2006-12-21 2011-10-26 菲舍尔和佩克尔应用有限公司 改进的衣服器具
US8930031B2 (en) 2008-12-17 2015-01-06 Fisher & Paykel Appliances Limited Laundry machine
EP2464778A4 (fr) * 2009-08-11 2015-07-01 Lg Electronics Inc Procédé de commande de lave-linge
US9234307B2 (en) 2009-07-27 2016-01-12 Lg Electronics Inc. Control method of a laundry machine
US9249534B2 (en) 2009-10-13 2016-02-02 Lg Electronics Inc. Laundry treating apparatus and method
US9416478B2 (en) 2009-03-31 2016-08-16 Lg Electronics Inc. Washing machine and washing method
US9695537B2 (en) 2009-07-27 2017-07-04 Lg Electronics Inc. Control method of a laundry machine
US9822473B2 (en) 2009-07-27 2017-11-21 Lg Electronics Inc. Control method of a laundry machine
US9932699B2 (en) 2009-02-11 2018-04-03 Lg Electronics Inc. Washing method and washing machine
EP1950336B1 (fr) * 2007-01-24 2019-01-02 Samsung Electronics Co., Ltd. Machine à laver avec compensateurs et son procédé de commande
CN110438747A (zh) * 2019-07-12 2019-11-12 合肥美的洗衣机有限公司 衣物的识别方法、装置和衣物处理装置
US10533275B2 (en) 2009-07-27 2020-01-14 Lg Electronics Inc. Control method of a laundry machine
CN110714300A (zh) * 2018-06-26 2020-01-21 青岛海尔洗衣机有限公司 用于衣物洗涤设备的平衡修正方法以及衣物洗涤设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5978522B2 (ja) * 2012-06-19 2016-08-24 東芝ライフスタイル株式会社 洗濯乾燥機

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087103A (en) * 1980-10-17 1982-05-19 Bosch Siemens Hausgeraete Electric motor speed controller
FR2501736A1 (fr) * 1981-03-10 1982-09-17 Thomson Brandt Machine a laver et a essorer le linge, a tambour
FR2546540A1 (fr) * 1983-05-27 1984-11-30 Thomson Brandt Lave-linge a essorage de courte duree apres le rincage
JPS60132598A (ja) 1983-12-22 1985-07-15 松下電器産業株式会社 脱水アンバランス検出装置
JPS60137389A (ja) 1984-11-21 1985-07-20 株式会社東芝 全自動洗濯機
GB2174564A (en) 1985-05-03 1986-11-05 Hoover Plc Spin speed control for laundry spin driers
DE3605924A1 (de) 1986-02-25 1987-08-27 Licentia Gmbh Waschmaschine mit einer motorisch angetriebenen wasch- und schleudertrommel
DE3606819A1 (de) 1986-03-03 1987-09-10 Licentia Gmbh Verfahren zur korrektur des unwuchtgroessengrenzwertes fuer eine programmgesteuerte waschmaschine
FR2629484A1 (fr) 1988-03-29 1989-10-06 Esswein Sa Perfectionnement aux moyens de detection de balourds dans les lave-linge
DE3822924C1 (fr) 1988-07-07 1989-11-23 Miele & Cie Gmbh & Co, 4830 Guetersloh, De
FR2645553A1 (fr) * 1989-04-06 1990-10-12 Licentia Gmbh Procede de commande de la vitesse de rotation du tambour pour des machines domestiques a laver le linge et dispositif pour la mise en oeuvre du procede
ITPN910020A1 (it) 1991-04-03 1992-10-04 Zanussi Elettrodomestici Dispositivo di misurazione e di equilibratura di carichi squilibrati nel cesto di macchine lavatrici

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087103A (en) * 1980-10-17 1982-05-19 Bosch Siemens Hausgeraete Electric motor speed controller
FR2501736A1 (fr) * 1981-03-10 1982-09-17 Thomson Brandt Machine a laver et a essorer le linge, a tambour
FR2546540A1 (fr) * 1983-05-27 1984-11-30 Thomson Brandt Lave-linge a essorage de courte duree apres le rincage
JPS60132598A (ja) 1983-12-22 1985-07-15 松下電器産業株式会社 脱水アンバランス検出装置
JPS60137389A (ja) 1984-11-21 1985-07-20 株式会社東芝 全自動洗濯機
GB2174564A (en) 1985-05-03 1986-11-05 Hoover Plc Spin speed control for laundry spin driers
DE3605924A1 (de) 1986-02-25 1987-08-27 Licentia Gmbh Waschmaschine mit einer motorisch angetriebenen wasch- und schleudertrommel
DE3606819A1 (de) 1986-03-03 1987-09-10 Licentia Gmbh Verfahren zur korrektur des unwuchtgroessengrenzwertes fuer eine programmgesteuerte waschmaschine
FR2629484A1 (fr) 1988-03-29 1989-10-06 Esswein Sa Perfectionnement aux moyens de detection de balourds dans les lave-linge
DE3822924C1 (fr) 1988-07-07 1989-11-23 Miele & Cie Gmbh & Co, 4830 Guetersloh, De
FR2645553A1 (fr) * 1989-04-06 1990-10-12 Licentia Gmbh Procede de commande de la vitesse de rotation du tambour pour des machines domestiques a laver le linge et dispositif pour la mise en oeuvre du procede
ITPN910020A1 (it) 1991-04-03 1992-10-04 Zanussi Elettrodomestici Dispositivo di misurazione e di equilibratura di carichi squilibrati nel cesto di macchine lavatrici

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0807706A3 (fr) * 1996-05-14 1998-05-27 ANTONIO MERLONI S.p.A. Procédé pour laver le linge, de telle sorte qu'il n'adhère pas au tambour, dans une machine à laver
EP0807706A2 (fr) * 1996-05-14 1997-11-19 ANTONIO MERLONI S.p.A. Procédé pour laver le linge, de telle sorte qu'il n'adhère pas au tambour, dans une machine à laver
GB2322141A (en) * 1997-02-12 1998-08-19 Toshiba Kk Control of spin-drying phase of washing machine
GB2322141B (en) * 1997-02-12 1999-02-10 Toshiba Kk Front loading washing machine
CN1093193C (zh) * 1997-02-12 2002-10-23 株式会社东芝 滚筒式洗衣机的控制方法
US6510715B1 (en) 1998-04-14 2003-01-28 Tulga Simsek Smart balancing system
WO1999053130A2 (fr) * 1998-04-14 1999-10-21 Simsek Tugla Systeme d'equilibrage intelligent
WO1999053130A3 (fr) * 1998-04-14 2000-03-09 Tugla Simsek Systeme d'equilibrage intelligent
WO2000028128A1 (fr) * 1998-11-10 2000-05-18 Electrolux Zanussi S.P.A. Procede pour empecher le desequilibre de la charge d'une machine a laver
CN1318619C (zh) * 2004-08-30 2007-05-30 金川集团有限公司 一种钴电解液的除铜方法
EP1911869A1 (fr) * 2006-10-12 2008-04-16 Brandt Industries Procédé d'essorage final d'un cycle de lavage d'une machine à laver le linge
FR2907134A1 (fr) * 2006-10-12 2008-04-18 Brandt Ind Sas Procede d'essorage final d'un cycle de lavage d'une machine a laver le linge
CN101611186B (zh) * 2006-12-21 2011-10-26 菲舍尔和佩克尔应用有限公司 改进的衣服器具
US8590083B2 (en) 2006-12-21 2013-11-26 Fisher & Paykel Appliances Limited Laundry appliance
EP1950336B1 (fr) * 2007-01-24 2019-01-02 Samsung Electronics Co., Ltd. Machine à laver avec compensateurs et son procédé de commande
US8930031B2 (en) 2008-12-17 2015-01-06 Fisher & Paykel Appliances Limited Laundry machine
US9932699B2 (en) 2009-02-11 2018-04-03 Lg Electronics Inc. Washing method and washing machine
US9416478B2 (en) 2009-03-31 2016-08-16 Lg Electronics Inc. Washing machine and washing method
US10533275B2 (en) 2009-07-27 2020-01-14 Lg Electronics Inc. Control method of a laundry machine
US9695537B2 (en) 2009-07-27 2017-07-04 Lg Electronics Inc. Control method of a laundry machine
US9234307B2 (en) 2009-07-27 2016-01-12 Lg Electronics Inc. Control method of a laundry machine
US9822473B2 (en) 2009-07-27 2017-11-21 Lg Electronics Inc. Control method of a laundry machine
EP2464778A4 (fr) * 2009-08-11 2015-07-01 Lg Electronics Inc Procédé de commande de lave-linge
EP3130694A1 (fr) * 2009-08-11 2017-02-15 Lg Electronics Inc. Procédé de commande de machine à laver
EP2496750A4 (fr) * 2009-08-11 2015-07-01 Lg Electronics Inc Procédé de commande de lave-linge
US9249534B2 (en) 2009-10-13 2016-02-02 Lg Electronics Inc. Laundry treating apparatus and method
CN102162031A (zh) * 2011-04-11 2011-08-24 乔国昌 一种钴电解液的除铁方法
CN102162031B (zh) * 2011-04-11 2012-09-05 山东交通职业学院 一种钴电解液的除铁方法
CN110714300A (zh) * 2018-06-26 2020-01-21 青岛海尔洗衣机有限公司 用于衣物洗涤设备的平衡修正方法以及衣物洗涤设备
CN110714300B (zh) * 2018-06-26 2022-08-05 青岛海尔洗衣机有限公司 用于衣物洗涤设备的平衡修正方法以及衣物洗涤设备
CN110438747A (zh) * 2019-07-12 2019-11-12 合肥美的洗衣机有限公司 衣物的识别方法、装置和衣物处理装置
CN110438747B (zh) * 2019-07-12 2021-07-20 合肥美的洗衣机有限公司 衣物的识别方法、装置和衣物处理装置

Also Published As

Publication number Publication date
ITPN940057A1 (it) 1996-03-28
DE69508510D1 (de) 1999-04-29
JPH08112487A (ja) 1996-05-07
EP0704567B1 (fr) 1999-03-24
ITPN940057A0 (it) 1994-09-28
IT1267586B1 (it) 1997-02-07
DE69508510T2 (de) 1999-09-23
ES2132474T3 (es) 1999-08-16
JP3681444B2 (ja) 2005-08-10

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