EP0536542A1 - Procédé pour mesurer le poids du linge dans les machines à laver - Google Patents

Procédé pour mesurer le poids du linge dans les machines à laver Download PDF

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Publication number
EP0536542A1
EP0536542A1 EP92115257A EP92115257A EP0536542A1 EP 0536542 A1 EP0536542 A1 EP 0536542A1 EP 92115257 A EP92115257 A EP 92115257A EP 92115257 A EP92115257 A EP 92115257A EP 0536542 A1 EP0536542 A1 EP 0536542A1
Authority
EP
European Patent Office
Prior art keywords
speed
drum
washload
wash
weight
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
EP92115257A
Other languages
German (de)
English (en)
Other versions
EP0536542B1 (fr
Inventor
Mario Trangoni
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 Elettrodomestici SpA
Original Assignee
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 Zanussi Elettrodomestici SpA filed Critical Zanussi Elettrodomestici SpA
Publication of EP0536542A1 publication Critical patent/EP0536542A1/fr
Application granted granted Critical
Publication of EP0536542B1 publication Critical patent/EP0536542B1/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
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/42—Detergent or additive 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed

Definitions

  • the present invention relates to a method for measuring the weight of the wash load in a clothes washing machine or, as the case may be, in a combined clothes washing and drying machine, which is capable of enabling said weight of the wash load to be detected and determined in a simple and quick way.
  • Clothes washing machines are furthermore known (EU 159202) which comprise a microprocessor for controlling the sequence of the washing cycles set by the user, as well as appropriate electronic sensors for detecting the phase displacement between the voltage and the current input to the electrical driving motor equipping said washing machines, said current being in a proportion, within a certain functional domain, to the resisting torque of the motor, which is dependent on the weight of the washload in the drum, so that the microprocessor, based on the measurement of said phase displacement and the electrical supply voltage to the motor, is each time able to determine the resisting torque of the motor and, as a consequence, the weight of the washload contained in the drum, whereas it will in this way be enabled to adapt the various process variables of each washing cycle being selected by the user to the actual weight of the washload that has been measured in the described way. As a consequence, each washing cycle will be each time enabled to be performed under optimized water, detergent and energy requirements for fully staisfactory washing results.
  • the microprocessor starts by first of all letting the electrical driving motor, and therefore also the rotating drum, be rotatably driven at the rated value of the supply voltage through a predetermined sequence of alternating movements in both directions at the low wash speed (ie. at a rotating speed of SO rpm in this particular case), so as to prevent the washload from undesirably getting entangled, as well as to arrange the same wash load in view of the next distribution phase.
  • Said periods of time T3 and T4 are therefore measured automatically by the microprocessor, and stored in the memory thereof, so as to be then able to indirectly determine, in the way described below, the weight of the washload that is from time to time introduced in the drum.
  • the period of time T3 is dependent on the value of the driving torque of the motor, the resisting torque and the rotating mass of the drum holding the wash load, whereas the period of time T4 is only dependent on the resisting torque and the rotating mass of the drum.
  • both the driving torque of the motor owing to the fact that the high-speed spin-extraction rotation of the drum is as usual obtained by energizing the high-speed windings of the electrical driving motor and keeping them energized until the afore cited speed C is reached, and the rotating mass of the drum holding the washload have constant values for an equal load of clothes in the drum.
  • the value of the resisting torque is variable, since it is affected by a number of factors that are either inherent to the rotating system (ie. wear of bearings, possible clearances, slacks or mechanical alterations of the driving belt or other driving gears used to transmit movement to the drum, etc%) or unconnected therewith (such as the distribution of the wash load in the drum and, as a consequence, the dynamic balance or unbalance thereof).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP92115257A 1991-10-11 1992-09-07 Procédé pour mesurer le poids du linge dans les machines à laver Expired - Lifetime EP0536542B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPN910067 1991-10-11
ITPN910067A IT1256270B (it) 1991-10-11 1991-10-11 Procedimento di misurazione del peso della biancheria per macchina lavatrice di biancheria.

Publications (2)

Publication Number Publication Date
EP0536542A1 true EP0536542A1 (fr) 1993-04-14
EP0536542B1 EP0536542B1 (fr) 1994-12-07

Family

ID=11394587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92115257A Expired - Lifetime EP0536542B1 (fr) 1991-10-11 1992-09-07 Procédé pour mesurer le poids du linge dans les machines à laver

Country Status (5)

Country Link
EP (1) EP0536542B1 (fr)
JP (1) JP3108219B2 (fr)
DE (1) DE69200827T2 (fr)
ES (1) ES2067988T3 (fr)
IT (1) IT1256270B (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649931A1 (fr) * 1993-10-25 1995-04-26 Bosch-Siemens HausgerÀ¤te GmbH Procédé pour déterminer la masse de linge mouillé dans un tambour à linge
EP0704568A1 (fr) * 1994-09-28 1996-04-03 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Machine à laver avec détermination automatique du poids du linge
WO1996029457A1 (fr) * 1995-03-20 1996-09-26 General Electric Company Machine a laver a economies d'energie a evaluation inertielle de la charge
US5596889A (en) * 1995-10-20 1997-01-28 Electric Power Research Institute Laundry machine with reduced suds spin cycle
EP1201811A2 (fr) * 2000-10-24 2002-05-02 Kabushiki Kaisha Toshiba Machine à laver à tambour avec dispositif pour déterminer le poids du linge
EP1526211A1 (fr) * 2003-10-23 2005-04-27 LG Electronics Inc. Lave-linge et méthode pour contrôler le cycle de lavage
WO2005085511A1 (fr) * 2004-03-01 2005-09-15 Arcelik Anonim Sirketi Procede de detection de charge
US7296444B2 (en) 2001-04-05 2007-11-20 Sanyo Electric Co., Ltd. Electric washing machine
US8166590B2 (en) 2009-04-16 2012-05-01 Whirlpool Corporation Method and apparatus for determining laundry load size
US8631527B2 (en) 2009-08-10 2014-01-21 Whirlpool Corporation Laundry treating appliance with tumble pattern control
CN103925979A (zh) * 2013-01-15 2014-07-16 代傲电子控制（南京）有限公司 洗衣机内衣物称重的方法和装置
US8914930B2 (en) 2010-04-13 2014-12-23 Whirlpool Corporation Laundry treating appliance with load amount detection
TWI626430B (zh) * 2017-04-10 2018-06-11 台達電子工業股份有限公司 無感測器之直流無刷馬達負載量測方法以及其裝置
CN111945377A (zh) * 2020-08-17 2020-11-17 珠海格力电器股份有限公司 洗衣机称重方法、洗衣机及计算机可读存储介质

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862242A (en) * 1983-12-05 1989-08-29 General Electric Company Semiconductor wafer with an electrically-isolated semiconductor device
JPH10211387A (ja) * 1997-01-30 1998-08-11 Matsushita Electric Ind Co Ltd 洗濯機
KR20100064655A (ko) 2008-12-05 2010-06-15 삼성전자주식회사 세탁기의 제어방법
DE102009001112A1 (de) * 2009-02-24 2010-08-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Überwachen einer Beladung einer Wäschetrommel und/oder eines Trocknungsgrades von Wäschestücken und entsprechende Schaltungsanordnung
CN110359251A (zh) * 2018-04-10 2019-10-22 青岛海尔洗衣机有限公司 一种洗衣机自动确定风干时间的控制方法及洗衣机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159202A1 (fr) * 1984-02-17 1985-10-23 Esswein S.A. Lave-linge à détermination automatique de la charge, et du type de linge introduit dans cette machine
EP0415743A1 (fr) * 1989-08-30 1991-03-06 FISHER & PAYKEL LIMITED Améliorations dans les machines à laver et/ou procédés de commande des machines à laver

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159202A1 (fr) * 1984-02-17 1985-10-23 Esswein S.A. Lave-linge à détermination automatique de la charge, et du type de linge introduit dans cette machine
EP0415743A1 (fr) * 1989-08-30 1991-03-06 FISHER & PAYKEL LIMITED Améliorations dans les machines à laver et/ou procédés de commande des machines à laver

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649931A1 (fr) * 1993-10-25 1995-04-26 Bosch-Siemens HausgerÀ¤te GmbH Procédé pour déterminer la masse de linge mouillé dans un tambour à linge
CN1070953C (zh) * 1993-10-25 2001-09-12 Bsh博施及西门子家用器具有限公司 确定洗涤滚筒中的湿洗涤物质量的方法
EP0704568A1 (fr) * 1994-09-28 1996-04-03 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Machine à laver avec détermination automatique du poids du linge
WO1996029457A1 (fr) * 1995-03-20 1996-09-26 General Electric Company Machine a laver a economies d'energie a evaluation inertielle de la charge
AU694346B2 (en) * 1995-03-20 1998-07-16 General Electric Company Energy efficient washer with inertia based method for determining load
US5596889A (en) * 1995-10-20 1997-01-28 Electric Power Research Institute Laundry machine with reduced suds spin cycle
EP1201811A2 (fr) * 2000-10-24 2002-05-02 Kabushiki Kaisha Toshiba Machine à laver à tambour avec dispositif pour déterminer le poids du linge
EP1201811A3 (fr) * 2000-10-24 2004-02-04 Kabushiki Kaisha Toshiba Machine à laver à tambour avec dispositif pour déterminer le poids du linge
US7296444B2 (en) 2001-04-05 2007-11-20 Sanyo Electric Co., Ltd. Electric washing machine
EP1526211A1 (fr) * 2003-10-23 2005-04-27 LG Electronics Inc. Lave-linge et méthode pour contrôler le cycle de lavage
US7555798B2 (en) 2003-10-23 2009-07-07 Lg Electronics Inc. Washer and washing cycle control method thereof
WO2005085511A1 (fr) * 2004-03-01 2005-09-15 Arcelik Anonim Sirketi Procede de detection de charge
US8166590B2 (en) 2009-04-16 2012-05-01 Whirlpool Corporation Method and apparatus for determining laundry load size
US8631527B2 (en) 2009-08-10 2014-01-21 Whirlpool Corporation Laundry treating appliance with tumble pattern control
US8914930B2 (en) 2010-04-13 2014-12-23 Whirlpool Corporation Laundry treating appliance with load amount detection
CN103925979A (zh) * 2013-01-15 2014-07-16 代傲电子控制（南京）有限公司 洗衣机内衣物称重的方法和装置
CN103925979B (zh) * 2013-01-15 2016-08-03 代傲电子控制（南京）有限公司 洗衣机内衣物称重的方法和装置
TWI626430B (zh) * 2017-04-10 2018-06-11 台達電子工業股份有限公司 無感測器之直流無刷馬達負載量測方法以及其裝置
CN111945377A (zh) * 2020-08-17 2020-11-17 珠海格力电器股份有限公司 洗衣机称重方法、洗衣机及计算机可读存储介质
CN111945377B (zh) * 2020-08-17 2022-08-26 珠海格力电器股份有限公司 洗衣机称重方法、洗衣机及计算机可读存储介质

Also Published As

Publication number Publication date
JP3108219B2 (ja) 2000-11-13
IT1256270B (it) 1995-11-29
DE69200827T2 (de) 1995-04-13
DE69200827D1 (de) 1995-01-19
ES2067988T3 (es) 1995-04-01
ITPN910067A1 (it) 1993-04-11
ITPN910067A0 (it) 1991-10-11
EP0536542B1 (fr) 1994-12-07
JPH05200186A (ja) 1993-08-10

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