EP1382734A2 - Waschmaschine und Verfahren zur Steuerung dieser - Google Patents

Waschmaschine und Verfahren zur Steuerung dieser Download PDF

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Publication number
EP1382734A2
EP1382734A2 EP03251656A EP03251656A EP1382734A2 EP 1382734 A2 EP1382734 A2 EP 1382734A2 EP 03251656 A EP03251656 A EP 03251656A EP 03251656 A EP03251656 A EP 03251656A EP 1382734 A2 EP1382734 A2 EP 1382734A2
Authority
EP
European Patent Office
Prior art keywords
tub
washing
water
detergent
washing water
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
EP03251656A
Other languages
English (en)
French (fr)
Other versions
EP1382734B1 (de
EP1382734A3 (de
Inventor
Hyun-Sook Kim
Ki-Su Lee
Hyun-Mu Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1382734A2 publication Critical patent/EP1382734A2/de
Publication of EP1382734A3 publication Critical patent/EP1382734A3/de
Application granted granted Critical
Publication of EP1382734B1 publication Critical patent/EP1382734B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/028—Arrangements for selectively supplying water to detergent compartments
    • 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
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
    • 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 
    • D06F39/04—Heating 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
    • 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
    • D06F39/087—Water level measuring or regulating devices
    • 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
    • D06F39/088—Liquid supply 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
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • 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
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user

Definitions

  • the present invention relates to a washing machine including a tub to receive laundry to be washed, a detergent dispenser and control means, the control means being operable to supply water for washing laundry to the tub.
  • a conventional drum type washing machine washes laundry by displacing it during rotation of a tub.
  • Another type of conventional washing machine washes laundry by generating water currents by rotating a pulsator mounted adjacent to the bottom of the tub.
  • As the drum-type washing machine washes laundry by displacement only a small quantity of water to soak the laundry is required to wash it.
  • a washing machine equipped with a pulsator has to generate strong water currents and so sufficient water for washing must be supplied to the tub to completely submerge the laundry. Therefore, a pulsator equipped washing machine is not particularly economical because of the amount of water that it consumes.
  • FIG. 1 A perspective view illustrating the construction of a conventional drum-type washing machine is illustrated in Figure 1 and comprises a fixed tub 102 mounted within a housing 100.
  • a drum 108 is rotatably mounted within the fixed tub 102 and is rotatable in response to operation of a motor to perform washing, rinsing and spin-drying cycles.
  • the drum 108 is perforated so washing water can flow from the drum 108 to the fixed tub 102 and vice versa through the perforations.
  • the washing machine may also be provided with a heater 114 for drying the laundry after washing.
  • hot and cold water is passed through water supply valves 118, 120 and through water pipes 124 to a detergent dispenser 122 containing detergent.
  • the water mixed with detergent then flows into the fixed tub 102 through a water supply pipe 126.
  • a flowchart showing a method of controlling the conventional drum-type washing machine of Figure 1 is shown in Figure 2.
  • a wash cycle is initially set by a user at step S202.
  • a quantity of water corresponding to the set wash cycle is supplied to the fixed tub 102 through the detergent dispenser 122 at step S204.
  • Detergent contained in the detergent dispenser 122 is dissolved and supplied to the fixed tub 102 along with the water.
  • a wash cycle is performed by rotating the drum 108 at step S206.
  • a rinse cycle is performed by supplying a preset quantity of water and spin-drying at step S208.
  • a spin-drying cycle is performed by rotating the drum 108 at step S210.
  • a drying cycle is performed by operating the drying heater 114 at step S212.
  • the detergent dispenser 122 In the conventional drum-type washing machine, water supplied to the detergent dispenser 122 is supplied to the fixed tub 102 through the detergent dispenser 122. As the water is supplied, the detergent contained in the detergent dispenser 122 is dissolved and supplied to the fixed tub 102 together with the water. However, as the water passes through the detergent dispenser 122 at a high speed, the detergent is insufficiently dissolved and results in stains remaining on the laundry thereby reducing the efficiency of the washing machine. In an attempt to overcome this problem, after supply of washing water and detergent is complete, the detergent is diluted with the washing water by a forward rotation and a reverse rotation of the drum 108.
  • the drum-type washing machine is designed to wash the laundry with a small quantity of the washing water to soak the laundry, a large quantity of washing water has to be supplied to sufficiently dissolve the detergent because the detergent sinks to the bottom of the fixed tub 102 and must be dissolved using water currents generated by the forward rotation and the reverse rotation of the drum 108.
  • the quantity of washing water is unavoidably increased.
  • the increase in the quantity of washing water causes excessive consumption of water, increases the load on the motor 110, and increases time and energy required to heat the washing water. Power consumption and total operating time is thereby increased.
  • a washing machine is characterised in that the control means is operable to supply a portion of said water for washing to the tub via the detergent dispenser.
  • control means is operable to retain said portion of the water in the detergent dispenser until after the remaining water has been supplied to the tub.
  • the total amount of water for washing is dependent on a wash cycle selected by a user and the control means is operable to send a portion of the total amount of water for washing to the tub via the detergent dispenser.
  • the present invention also provides a method of controlling a washing machine for washing laundry comprising the step of supplying water for washing to a tub containing laundry, characterised by the step of supplying a portion of said water for washing to the tub via a detergent dispenser.
  • a fixed tub 302 is mounted in a hosing 300.
  • a drum 308 is rotatably mounted in the fixed tub 302 to contain laundry to be washed and rotatable in response to operation of a motor 310.
  • the drum 308 is perforated so that the washing water can flow from drum 308 to the fixed tub 302 and vice versa.
  • the washing machine is provided with a drying heater 314 for drying the laundry after washing.
  • the drum-type washing machine is also provided with a washing water heating unit 330 which is operable to heat the washing water to a high temperature.
  • the washing water is supplied through a first water supply valve 318 and a second water supply valve 320 to the fixed tub 302 through water supply pipes 328.
  • a small quantity of the washing water supplied through the first and second water supply valves 318 and 320 is supplied to a detergent dispenser 322 through the water supply pipes 324 and is used to dissolve the detergent contained in the detergent dispenser 322.
  • the liquid detergent dissolved by the washing water in the detergent dispenser is supplied to the fixed tub 302 after supply of washing water direct to the tub has been completed.
  • the small quantity of washing water containing the detergent is sprayed on to the laundry in the drum 308 after direct supply washing water to the tub is completed.
  • the liquid detergent supplied from the detergent dispenser 322 to the fixed tub 302 is sprayed on the laundry, the liquid detergent is uniformly supplied to the whole laundry.
  • a sum of a quantity of the washing water directly supplied to the fixed tub 302 and a quantity of the washing water supplied to the detergent dispenser 322 is less than or equal to a quantity of washing water corresponding to a washing cycle set by a user.
  • the quantity of washing water corresponding to the set washing cycle is 10 liters
  • the sum of the quantity of the washing water supplied to the fixed tub 302 and the quantity of the washing water supplied to the detergent dispenser 322 is less than or equal to 10 litres. This prevents the total quantity of washing water from increasing as a result of an addition of the quantity of the washing water to dissolve the detergent to the quantity of washing water corresponding to the set washing cycle.
  • Figure 3 shows the construction of a drum-type washing machine according to an embodiment of the present invention. However, it is understood by those of skill in the art that the above-described construction can be applied to general washing machines including those that use pulsators.
  • FIG 4 is a block diagram illustrating the drum-type washing machine of Figure 3.
  • a control unit 402 controls the overall operation of the washing machine, such as washing, rinsing, spin-drying, and drying processes.
  • An input unit 406 sets washing conditions desired by a user, or selectively commands only processes needed by a user. The washing conditions and commands set by the input unit 406 are transmitted to the control unit 402.
  • a water level sensor 404 is used to detect a quantity of washing water supplied, and detects the quantity of the washing water supplied to the fixed tub 302 and provides information about the detected quantity of the washing water to the control unit 402.
  • a drive unit 410 drives the motor 310, a drain pump 316, the drying heater 314, a display unit 412, the first and second water supply valves 318 and 320 and the like.
  • the motor 310 periodically rotates the drum 308 in forward and reverse directions at a high speed during washing or rinsing processes, and rotates the drum 308 in a forward direction at the high speed during a spin-drying process.
  • the drain pump 316 discharges the washing water from the fixed tub 302.
  • the drying heater 314 dries the laundry by circulating heated air through the fixed tub 302.
  • the display unit 412 visually displays an operating state of the drum-type washing machine.
  • the first and second water supply valves 318 and 320 control the supplying of hot and cold water, respectively.
  • FIG. 5 is a flowchart illustrating the drum-type washing machine control method. As shown in Figure 5, if a washing cycle is set by a user at step S502, a preset small quantity of washing water is supplied to the detergent dispenser 322 through the first and second water supply valves 318 and 320, and the detergent contained in the detergent dispenser 322 is dissolved at step S504a.
  • the washing water of a quantity obtained by subtracting the preset small quantity of the washing water supplied to the detergent dispenser 322 from a total quantity of the washing water corresponding to the washing cycle set by the user is directly supplied to the fixed tub 302 through the water supply pipes 328 and sprayed on the laundry at step S504b. Accordingly, the laundry is uniformly soaked by spraying a large part of the washing water thereon.
  • a high concentration liquid dissolved by the washing water in the detergent dispenser 322 is sprayed on to the sufficiently soaked laundry at step S506. Since the sufficiently dissolved liquid detergent is sprayed onto the laundry after the large part of the washing water has been supplied to the laundry and the laundry has been sufficiently soaked, the generation of stains on the laundry, as a result of insufficiently dissolved detergent, is prevented. Further, as the detergent is dissolved by a small quantity of wash water, the total required quantity of the wash water is decreased in comparison with a case where the total quantity of the washing water and the detergent have been supplied together and then the detergent is dissolved in the fixed tub 302. Therefore the total required quantity of wash water is decreased. As the previously dissolved detergent is supplied to the fixed tub 302, no undissolved detergent remains, so the wash performance of the washing machine is maximized.
  • the wash process is performed by rotating the drum 308 at step S508. Thereafter, the rinsing process is performed by repeating the supply of washing water and spin-drying at step S510. Thereafter, the spin-drying process is performed by rotating the drum 308 at step S512. After the spin-drying process is complete, the drying process that removes water soaked in the laundry in the drum 308 is performed by operating the drying heater 314 at step S514.
  • the drum-type washing machine is constructed so that a large quantity of the water for washing water is directly supplied to the fixed tub and drum without passing through the detergent dispenser, and a small quantity of the water for washing is supplied to the detergent dispenser separately from the large part of the washing water to dissolve the detergent at a high concentration in the detergent dispenser so that the generation of stains due to undissolved detergent remaining on laundry, are prevented and the wash performance of a drum-type washing machine is improved.
  • a total quantity of washing water can be greatly decreased in comparison with a case where the washing water and the detergent are supplied together, and a power consumption and a total time required to wash the laundry are decreased by a reduction in an amount of load on the rotating tub driving motor.
  • the total quantity of the washing water is decreased, a time required to heat the washing water is greatly decreased in washing machines that perform a boiling process by heating the washing water.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP03251656A 2002-07-18 2003-03-18 Waschmaschine und Verfahren zur Steuerung derselben Expired - Fee Related EP1382734B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2002041967 2002-07-18
KR10-2002-0041967A KR100468470B1 (ko) 2002-07-18 2002-07-18 세탁기 및 그 제어 방법

Publications (3)

Publication Number Publication Date
EP1382734A2 true EP1382734A2 (de) 2004-01-21
EP1382734A3 EP1382734A3 (de) 2004-03-03
EP1382734B1 EP1382734B1 (de) 2007-05-23

Family

ID=29775023

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03251656A Expired - Fee Related EP1382734B1 (de) 2002-07-18 2003-03-18 Waschmaschine und Verfahren zur Steuerung derselben

Country Status (4)

Country Link
US (1) US20040010859A1 (de)
EP (1) EP1382734B1 (de)
KR (1) KR100468470B1 (de)
DE (1) DE60313918T2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007122484A3 (en) * 2006-04-21 2008-01-10 Indesit Co Spa Method for dispensing washing agents in a laundry washing machine, and laundry washing machine using it
CN110857505A (zh) * 2018-08-22 2020-03-03 无锡小天鹅电器有限公司 投放装置及具有其的衣物处理装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4271064B2 (ja) * 2004-03-10 2009-06-03 三洋電機株式会社 ドラム式洗濯機
US7950088B2 (en) * 2008-07-01 2011-05-31 Whirlpool Corporation Method of indicating operational information for a dispensing system having both single use and bulk dispensing
US8286288B2 (en) * 2008-07-01 2012-10-16 Whirlpool Corporation Method of indicating operational information for a bulk dispensing system
US10138587B2 (en) 2008-07-01 2018-11-27 Whirlpool Corporation Household cleaning appliance with a dispensing system operable between a single use dispensing system and a bulk dispensing system
US8397544B2 (en) 2008-07-01 2013-03-19 Whirlpool Corporation Household cleaning appliance with a single water flow path for both non-bulk and bulk dispensing
US8196441B2 (en) 2008-07-01 2012-06-12 Whirlpool Corporation Household cleaning appliance with a dispensing system operable between a single use dispensing system and a bulk dispensing system
US20100000264A1 (en) 2008-07-01 2010-01-07 Whirlpool Corporation Method for converting a household cleaning appliance with a non-bulk dispensing system to a household cleaning appliance with a bulk dispensing system
KR101453274B1 (ko) * 2012-04-04 2014-10-21 동부대우전자 주식회사 벽걸이형 드럼세탁기
CN104674515A (zh) * 2013-12-02 2015-06-03 海尔集团公司 洗衣机及其进水控制方法
CN114000304B (zh) * 2020-07-28 2023-06-23 无锡小天鹅电器有限公司 衣物处理设备的控制方法、装置、设备及存储介质

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FR1530613A (fr) * 1963-05-30 1968-06-28 Dispositif pour introduire les produits détergents dans la cuve de machines à laver entièrement automatiques
GB2104109A (en) * 1981-07-21 1983-03-02 San Giorgio Elettrodomesti Unit for feeding wash liquid into a washing machine tub
DE3149666A1 (de) * 1981-12-15 1983-06-30 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Waschmaschine mit frischwasserzulauf
DE19962252A1 (de) * 1999-12-22 2001-06-28 Bsh Bosch Siemens Hausgeraete Waschmaschine

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US5031427A (en) * 1990-01-05 1991-07-16 Whirlpool Corporation Sump for an automatic washer
KR940008602B1 (ko) * 1991-12-27 1994-09-24 삼성전자 주식회사 세탁기의 세제 투입장치 및 방법
JPH09253383A (ja) * 1996-03-21 1997-09-30 Nagashima:Kk ウェット・クリーニング洗濯方法とそれを行う洗濯機、並びに、かかる洗濯物の乾燥機
KR19980031175A (ko) * 1996-10-31 1998-07-25 배순훈 세탁기의 세제투입방법
JPH10263256A (ja) * 1997-03-27 1998-10-06 Matsushita Electric Ind Co Ltd ドラム式洗濯乾燥機
KR100415995B1 (ko) * 1998-07-23 2004-07-07 삼성전자주식회사 세탁기
JP2001087592A (ja) * 1999-09-20 2001-04-03 Hitachi Ltd ドラム式洗濯機
JP3680766B2 (ja) * 2001-06-04 2005-08-10 株式会社日立製作所 洗濯機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1530613A (fr) * 1963-05-30 1968-06-28 Dispositif pour introduire les produits détergents dans la cuve de machines à laver entièrement automatiques
GB2104109A (en) * 1981-07-21 1983-03-02 San Giorgio Elettrodomesti Unit for feeding wash liquid into a washing machine tub
DE3149666A1 (de) * 1981-12-15 1983-06-30 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Waschmaschine mit frischwasserzulauf
DE19962252A1 (de) * 1999-12-22 2001-06-28 Bsh Bosch Siemens Hausgeraete Waschmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007122484A3 (en) * 2006-04-21 2008-01-10 Indesit Co Spa Method for dispensing washing agents in a laundry washing machine, and laundry washing machine using it
CN110857505A (zh) * 2018-08-22 2020-03-03 无锡小天鹅电器有限公司 投放装置及具有其的衣物处理装置
CN110857505B (zh) * 2018-08-22 2021-02-26 无锡小天鹅电器有限公司 投放装置及具有其的衣物处理装置

Also Published As

Publication number Publication date
DE60313918D1 (de) 2007-07-05
EP1382734B1 (de) 2007-05-23
US20040010859A1 (en) 2004-01-22
KR100468470B1 (ko) 2005-01-27
EP1382734A3 (de) 2004-03-03
DE60313918T2 (de) 2008-02-07
KR20040008345A (ko) 2004-01-31

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