EP0962576A1 - Waschmaschine mit einer Vorrichtung zum Ermitteln der Wäscheart - Google Patents

Waschmaschine mit einer Vorrichtung zum Ermitteln der Wäscheart Download PDF

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Publication number
EP0962576A1
EP0962576A1 EP99401360A EP99401360A EP0962576A1 EP 0962576 A1 EP0962576 A1 EP 0962576A1 EP 99401360 A EP99401360 A EP 99401360A EP 99401360 A EP99401360 A EP 99401360A EP 0962576 A1 EP0962576 A1 EP 0962576A1
Authority
EP
European Patent Office
Prior art keywords
laundry
weight
machine
machine according
washing
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.)
Withdrawn
Application number
EP99401360A
Other languages
English (en)
French (fr)
Inventor
François Thomson-CSF Garofalo
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.)
Compagnie Industrielle dAppareils Menagers SA CIAPEM
Original Assignee
Compagnie Industrielle dAppareils Menagers SA CIAPEM
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 Compagnie Industrielle dAppareils Menagers SA CIAPEM filed Critical Compagnie Industrielle dAppareils Menagers SA CIAPEM
Publication of EP0962576A1 publication Critical patent/EP0962576A1/de
Withdrawn legal-status Critical Current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
    • D06F2103/18—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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/56—Remaining operation time; Remaining operational cycles
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity

Definitions

  • the above methods do not allow measurement than the weight of the laundry.
  • the main advantages of the invention are that it allows the machine to adapt to a wide variety of laundry types, whether it allows a reliable measurement of the weight of the laundry introduced into a machine, that it determines the amount of water present in the laundry during the drying phase, that it optimizes the phases of washing and drying, in water, time and energy, which it allows determine the yaw of a drum, which it determines the resonance of a machine, that it is simple and economical to implement, in the especially measure where it allows to perform several functions essential with the same components or possibly some additional components.
  • a saved conversion table gives the correspondence between the measurements made by the pressure switch and the water level in the tank.
  • the nature of the laundry is defined by its water absorption.
  • a memorized table can indeed give the correspondence between the amount of water absorbed by the laundry and the weight of the dry laundry on the one hand, and the nature of the laundry on the other.
  • Figure 1 illustrates the determination of the amount of water absorbed by the laundry.
  • the table is for example a table with two series of entries, a series of entries for the quantity of water absorbed and a series of entries for the weight of dry laundry. It includes a series of outputs which are the types of linen.
  • the calculation means knowing a quantity of water absorbed and a weight of dry laundry, for example define the discrete input values of the table as close as possible. This table then gives the quantity of laundry from the input values retained by the calculation means.
  • Figure 2 shows, by a block diagram, a machine comprising at least one strain gauge to allow the measurement of laundry to dry.
  • Figure 2 shows an example with two gauges 1, 2. These gauges are placed on elements of the machine that supports loaded laundry. The gauges are for example part each of a complete bridge with three resistors R1, R2, R3, powered by a DC voltage 3, for example rectified from alternating current of the supply network by known means not shown. A deformation of the element on which a gauge is placed modifies the electrical resistance of the latter so that the output voltage of the corresponding bridge is modified. A correspondence table is carried out to determine the weight of the element on which a gauge from the latter's deformations, and therefore in particular as a function of the bridge output voltage.
  • Figure 4 illustrates, in a partial and schematic view, another possible embodiment of a machine according to the invention, with regard to particularly concerns the arrangement of strain gauges.
  • Figure 3 shows the tank 31 of a washing machine and one of its dampers 32. These last, located between the tank 31 and the machine casing, allow particular to the tank to absorb the mechanical shocks to which it is subject.
  • the strain gauges 1 are by example located under the shock absorbers 32, between the latter and the bottom of the carcass 33 of the machine.
  • the elements supporting the laundry include in this case the shock absorbers 32, the tank 31, the drum and the ballast, these last two elements not being shown.
  • the gauges measure the weight of these items and the laundry in the drum.
  • the weight of the laundry is determined by the calculation means in subtracting from the total weight measured by the gauges, the weight of the elements mentioned above stored by the calculation means 6.
  • the calculation means 6 can determine the weight of dry laundry, but also the amount of water contained in this laundry.
  • the calculation means 6, which are for example integrated into the circuits machine controls, determine the weight of the laundry before filling the tank with water. It is the determination of the weight of the laundry dry. From this information, the quantity of water strictly necessary for washing can be set.
  • the washing cycle control means not represented, therefore take this information into account to define optimally the amount of water needed for washing and the duration of this latest. For this purpose, a memorized table indicates according to the quantity of laundry, cycle times and the amount of water associated. This results in a saving water, but also saving time and energy.
  • Information on the quantity of water is then for example provided by the means calculation 6 to the control means of the drying phase not represented.
  • the calculation means send for example a signal when the weight of laundry measured is approximately equal to the weight of dry laundry, for that the drying control means notably stop the cycle. This determination of the humidity level of the laundry can still obviously be used for drying machines only.
  • the drying control means follow automatically the drying phase after washing if the displayed weight is less than or equal to a given threshold, i.e. in fact the loading limit previous, for example half the nominal load of the machine.
  • a given threshold i.e. in fact the loading limit previous, for example half the nominal load of the machine.
  • the control means of the drying cycle also connected to the calculation means which deliver the weight of laundry, do not automatically sequence the drying cycle, but wait for the user to remove laundry from the machine to go into below the maximum load limit for drying.
  • This limit can hold account of the nature of the linen.
  • the control means of the drying phase take into account for example the indication given by the user via the programmer, for example cotton, synthetic, blend, etc ...
  • These means can still take into account the nature of the textile as defined above from the absorption of water by the laundry.
  • the limit value displayed for the user can take into account the nature of the laundry introduced into the machine.
  • Te f - 1 can then be memorized by the calculation means of the machine.
  • the load of dry laundry having been determined before the washing phase and then stored by these calculation means, as soon as they measure a quantity of water less than or equal to the value Q water r as defined by relation (3) previous, for example they send information to the means for controlling the washing phase, which in particular control the spinning phase. On receipt of this information, these means stop the spin.
  • the amount of residual water in the laundry is defined in particular as explained above, by difference between the weight of wet laundry measured and the weight of dry laundry.
  • the invention therefore shows all its effectiveness, since to the extent the weight of the laundry itself, it allows the realization of functions of primary importance, without significantly complicating the Implementation.
  • the additional functions do not require an additional software adaptation, and possibly some additional interfaces or components, generally at low cost, to the extent where the strain gauges are the foundation for achieving most of these functions.
  • the invention shows that it makes it possible to improve the energy performance of all types of washing machines, drying machines or washing and drying machines. In particular it saves water, in particular by allowing to use the quantity of water strictly necessary by an acquaintance exact weight of dry laundry. It also saves time and energy, by a permanent knowledge of the quantity of water present in the laundry throughout the washing cycle and / or the drying.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP99401360A 1998-06-05 1999-06-04 Waschmaschine mit einer Vorrichtung zum Ermitteln der Wäscheart Withdrawn EP0962576A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9807097 1998-06-05
FR9807097A FR2779450B1 (fr) 1998-06-05 1998-06-05 Machine a laver et/ou secher le linge pourvu d'un dispositif de pesee du linge

Publications (1)

Publication Number Publication Date
EP0962576A1 true EP0962576A1 (de) 1999-12-08

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Family Applications (1)

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EP99401360A Withdrawn EP0962576A1 (de) 1998-06-05 1999-06-04 Waschmaschine mit einer Vorrichtung zum Ermitteln der Wäscheart

Country Status (2)

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EP (1) EP0962576A1 (de)
FR (1) FR2779450B1 (de)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1108810A1 (de) * 1999-12-16 2001-06-20 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsmaschine
EP1382733A3 (de) * 2002-07-17 2004-09-15 Miele & Cie. KG Waschmaschine mit einem Waschaggregat
WO2006072912A1 (en) * 2005-01-04 2006-07-13 Arcelik Anonim Sirketi A washing machine and the control method
WO2007003593A1 (de) * 2005-06-30 2007-01-11 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur bestimmung eines bekleidungsgewichts in einer waschmaschine und waschmaschine zur durchführung des verfahrens
WO2007049242A1 (en) * 2005-10-28 2007-05-03 Arcelik Anonim Sirketi A washer/dryer
WO2010105975A1 (fr) 2009-03-20 2010-09-23 Societe De Technologie Michelin Renfort composite auto-adherent
WO2010136389A1 (fr) 2009-05-25 2010-12-02 Societe De Technologie Michelin Renfort composite auto-adherent, particulierement pour les pneumatiques, et procede de fabrication associe
WO2011012521A1 (fr) 2009-07-31 2011-02-03 Societe De Technologie Michelin Renfort composite auto-adherent
WO2012016757A1 (fr) 2010-08-05 2012-02-09 Societe De Technologie Michelin Renfort composite
WO2012062887A3 (en) * 2010-11-12 2013-03-21 Arcelik Anonim Sirketi A dryer comprising a drum the front bearing of which is performed by wheels
US10161075B2 (en) 2016-06-30 2018-12-25 Midea Group Co., Ltd. Laundry washing machine with automatic detection of detergent deficit
US10161074B2 (en) 2016-06-30 2018-12-25 Midea Group Co., Ltd. Laundry washing machine with automatic detergent dispensing and/or rinse operation type selection
US10273622B2 (en) 2016-06-30 2019-04-30 Midea Group Co., Ltd. Laundry washing machine with automatic selection of load type
US10358760B2 (en) 2016-06-30 2019-07-23 Midea Group Co., Ltd. Laundry washing machine with automatic rinse operation type selection
CN113584834A (zh) * 2020-04-30 2021-11-02 青岛海尔洗衣机有限公司 一种负载烘干的控制方法、装置、干衣机及存储介质
CN114592316A (zh) * 2022-03-17 2022-06-07 海信（山东）冰箱有限公司 清洗物材质的识别方法及洗衣机、存储介质
US11371175B2 (en) 2020-06-04 2022-06-28 Midea Group Co., Ltd. Laundry washing machine with dynamic selection of load type
US11773524B2 (en) 2020-12-18 2023-10-03 Midea Group Co., Ltd. Laundry washing machine color composition analysis during loading
US11866868B2 (en) 2020-12-18 2024-01-09 Midea Group Co., Ltd. Laundry washing machine color composition analysis with article alerts
US11898289B2 (en) 2020-12-18 2024-02-13 Midea Group Co., Ltd. Laundry washing machine calibration
US12139836B2 (en) 2022-06-28 2024-11-12 Midea Group Co., Ltd. Laundry washing machine with dynamic rinse system
US12221736B2 (en) 2021-12-10 2025-02-11 Midea Group Co., Ltd. Laundry washing machine with dynamic drain system
US12264425B2 (en) 2021-12-10 2025-04-01 Midea Group Co., Ltd. Laundry washing machine with dynamic spin system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024099444A (ja) * 2023-01-12 2024-07-25 三星電子株式会社 ドラム式洗濯機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844755A1 (de) * 1978-10-13 1980-04-24 Bauknecht Gmbh G Waschmaschine, insbesondere haushaltswaschmaschine
GB2078789A (en) * 1980-07-02 1982-01-13 Bosch Siemens Hausgeraete Laundry treatment machine
CH651602A5 (en) * 1982-07-20 1985-09-30 Terraillon Washing machine
EP0294014A1 (de) * 1987-03-18 1988-12-07 Creda Limited Waschmaschine mit Gewichtsmessvorrichtungen und Unwuchtmessvorrichtungen
EP0396058A1 (de) * 1989-05-03 1990-11-07 BSG-Schalttechnik GmbH & Co. KG Waschmaschine
FR2685016A1 (fr) * 1991-12-13 1993-06-18 Bosch Siemens Hausgeraete Procede de determination de la masse a sec du linge, du niveau d'eau et de la quantite de bain de lessive fixe dans un lave-linge a tambour.
DE4411501A1 (de) * 1993-04-06 1994-10-13 Ruediger Ruckhaberle Wäschetrocknungsverfahren mit Restfeuchtebestimmung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2844755A1 (de) * 1978-10-13 1980-04-24 Bauknecht Gmbh G Waschmaschine, insbesondere haushaltswaschmaschine
GB2078789A (en) * 1980-07-02 1982-01-13 Bosch Siemens Hausgeraete Laundry treatment machine
CH651602A5 (en) * 1982-07-20 1985-09-30 Terraillon Washing machine
EP0294014A1 (de) * 1987-03-18 1988-12-07 Creda Limited Waschmaschine mit Gewichtsmessvorrichtungen und Unwuchtmessvorrichtungen
EP0396058A1 (de) * 1989-05-03 1990-11-07 BSG-Schalttechnik GmbH & Co. KG Waschmaschine
FR2685016A1 (fr) * 1991-12-13 1993-06-18 Bosch Siemens Hausgeraete Procede de determination de la masse a sec du linge, du niveau d'eau et de la quantite de bain de lessive fixe dans un lave-linge a tambour.
DE4411501A1 (de) * 1993-04-06 1994-10-13 Ruediger Ruckhaberle Wäschetrocknungsverfahren mit Restfeuchtebestimmung

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1108810A1 (de) * 1999-12-16 2001-06-20 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsmaschine
EP1382733A3 (de) * 2002-07-17 2004-09-15 Miele & Cie. KG Waschmaschine mit einem Waschaggregat
WO2006072912A1 (en) * 2005-01-04 2006-07-13 Arcelik Anonim Sirketi A washing machine and the control method
WO2007003593A1 (de) * 2005-06-30 2007-01-11 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur bestimmung eines bekleidungsgewichts in einer waschmaschine und waschmaschine zur durchführung des verfahrens
WO2007049242A1 (en) * 2005-10-28 2007-05-03 Arcelik Anonim Sirketi A washer/dryer
WO2010105975A1 (fr) 2009-03-20 2010-09-23 Societe De Technologie Michelin Renfort composite auto-adherent
WO2010136389A1 (fr) 2009-05-25 2010-12-02 Societe De Technologie Michelin Renfort composite auto-adherent, particulierement pour les pneumatiques, et procede de fabrication associe
CN102449229A (zh) * 2009-05-25 2012-05-09 米其林技术公司 自粘性复合加强件
CN102449229B (zh) * 2009-05-25 2014-11-12 米其林企业总公司 自粘性复合加强件
WO2011012521A1 (fr) 2009-07-31 2011-02-03 Societe De Technologie Michelin Renfort composite auto-adherent
WO2012016757A1 (fr) 2010-08-05 2012-02-09 Societe De Technologie Michelin Renfort composite
WO2012062887A3 (en) * 2010-11-12 2013-03-21 Arcelik Anonim Sirketi A dryer comprising a drum the front bearing of which is performed by wheels
US10273622B2 (en) 2016-06-30 2019-04-30 Midea Group Co., Ltd. Laundry washing machine with automatic selection of load type
US10161074B2 (en) 2016-06-30 2018-12-25 Midea Group Co., Ltd. Laundry washing machine with automatic detergent dispensing and/or rinse operation type selection
US10161075B2 (en) 2016-06-30 2018-12-25 Midea Group Co., Ltd. Laundry washing machine with automatic detection of detergent deficit
US10358760B2 (en) 2016-06-30 2019-07-23 Midea Group Co., Ltd. Laundry washing machine with automatic rinse operation type selection
US10858774B2 (en) 2016-06-30 2020-12-08 Midea Group Co., Ltd. Laundry washing machine with automatic detergent dispensing and/or rinse operation type selection
US11072879B2 (en) 2016-06-30 2021-07-27 Midea Group Co., Ltd. Laundry washing machine with automatic rinse operation type selection
US11230803B2 (en) 2016-06-30 2022-01-25 Midea Group Co., Ltd. Laundry washing machine with automatic selection of load type
CN113584834A (zh) * 2020-04-30 2021-11-02 青岛海尔洗衣机有限公司 一种负载烘干的控制方法、装置、干衣机及存储介质
US11371175B2 (en) 2020-06-04 2022-06-28 Midea Group Co., Ltd. Laundry washing machine with dynamic selection of load type
US11773524B2 (en) 2020-12-18 2023-10-03 Midea Group Co., Ltd. Laundry washing machine color composition analysis during loading
US11866868B2 (en) 2020-12-18 2024-01-09 Midea Group Co., Ltd. Laundry washing machine color composition analysis with article alerts
US11898289B2 (en) 2020-12-18 2024-02-13 Midea Group Co., Ltd. Laundry washing machine calibration
US12601096B2 (en) 2020-12-18 2026-04-14 Midea Group Co., Ltd. Laundry washing machine color composition analysis during loading
US12221736B2 (en) 2021-12-10 2025-02-11 Midea Group Co., Ltd. Laundry washing machine with dynamic drain system
US12264425B2 (en) 2021-12-10 2025-04-01 Midea Group Co., Ltd. Laundry washing machine with dynamic spin system
CN114592316A (zh) * 2022-03-17 2022-06-07 海信（山东）冰箱有限公司 清洗物材质的识别方法及洗衣机、存储介质
CN114592316B (zh) * 2022-03-17 2024-03-29 海信冰箱有限公司 清洗物材质的识别方法及洗衣机、存储介质
US12139836B2 (en) 2022-06-28 2024-11-12 Midea Group Co., Ltd. Laundry washing machine with dynamic rinse system

Also Published As

Publication number Publication date
FR2779450A1 (fr) 1999-12-10
FR2779450B1 (fr) 2001-02-09

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