EP2283180B1 - Waschmaschine sowie verfahren zur rückgewinnung von spülflüssigkeit in einer waschmaschine - Google Patents

Waschmaschine sowie verfahren zur rückgewinnung von spülflüssigkeit in einer waschmaschine Download PDF

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Publication number
EP2283180B1
EP2283180B1 EP09749708.5A EP09749708A EP2283180B1 EP 2283180 B1 EP2283180 B1 EP 2283180B1 EP 09749708 A EP09749708 A EP 09749708A EP 2283180 B1 EP2283180 B1 EP 2283180B1
Authority
EP
European Patent Office
Prior art keywords
washing machine
storage container
duct
washing
tub
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.)
Active
Application number
EP09749708.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2283180A1 (de
Inventor
Oscar Abos Alfranca
Maria Del Carmen Menendez Fernandez
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL09749708T priority Critical patent/PL2283180T3/pl
Publication of EP2283180A1 publication Critical patent/EP2283180A1/de
Application granted granted Critical
Publication of EP2283180B1 publication Critical patent/EP2283180B1/de
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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 
    • D06F39/006—Recovery arrangements, e.g. for the recovery of energy or water
    • 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 
    • D06F39/20—Arrangements for water recovery
    • 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

Definitions

  • the invention relates to a washing machine according to the preamble of claim 1 and a method for rinsing liquid recovery in a washing machine according to claim 7 (see EP-A-0 607 628 ).
  • a generic washing machine is known in which the rinse water used in the program section "rinse" is recovered.
  • the generic washing machine to a storage container, the upper is connected to a return line to the tub. After the last rinse the rinse water is not out of the washing machine, but passed through the return line in the storage tank.
  • the rinse water stored in the storage tank is used in the following wash cycle during the wash cycle.
  • the storage tank leading to the return line and leading to the sewer system drain line are connected independently of each other on the tub.
  • washing machine with a storage container and a method for rinsing liquid recovery are in DE 10 2005 036 125 A1 disclosed.
  • washing and / or rinsing liquid is removed from a tub of the washing machine and a storage container of the washing machine supplied thereto, the washing machine has a return line which is connected to the storage container and the downstream of the tub at a first branch point one with the tub branches connected drain line.
  • the in the storage container stored washing and / or rinsing liquid is supplied to the tub via a circulating line connected to the storage tank and the tub.
  • This washing machine also has a tub, which is connected to a drain line, and a fluidically connected via a return line to the tub storage container.
  • the return line is branched downstream of the tub and downstream of a connected in the drain line drain pump from the drain line and the drain line washing and / or rinsing liquid can be removed from the drain pump.
  • this washing machine to a circulation line, which branches off at a second branch point of the return line and which is connected to a Waschstoffein Cyprusvortechnisch or arranged on the tub condenser About the recirculation line and the Ein Hughesvortechnisch or the condenser washing and / or rinsing liquid the tub be supplied.
  • the object of the invention is to provide a water-saving washing machine or a method for recovering sputum in such a washing machine, in which the flushing liquid can be recovered with low component expenditure and production technology.
  • the return line leading to the storage container is not directly connected to the tub, but branches off from the drain line downstream of the tub. In this way, provided for the return line access opening can be saved in the tub. Likewise, the required sealing elements can be saved.
  • the storage container can be arranged geodetically below the tub.
  • the rinsing liquid can be introduced only by gravity into the storage tank.
  • the return line can already branch off upstream of a drain pump connected in the drain line.
  • the return line can also branch off downstream of the drain pump, that is, on the pressure side of the drain pump.
  • the drain pump actively pump the rinse water into the storage tank.
  • the storage container is positionable in this case in any altitude in the washing machine.
  • the control device blocking element such as a solenoid valve.
  • the solenoid valve can be opened or closed depending on the operating mode.
  • a control element is provided in the drainage area of the tub or in the drainage line, which closes its drainage area when filling the tub.
  • the control is preferably provided upstream of the branching return line.
  • the storage container may be in a closed return circuit via a circulation line with the tub in combination.
  • a circulation line In the closed loop feedback loop of the tub, the return line, the storage tank and the recirculating again opening into the tub recirculation line are connected.
  • the circulation line can a Be arranged delivery pump, which is connected with its suction side to the storage container.
  • the storage container may be associated with a vent line, which preferably connects the storage container with the tub.
  • the storage container can have an additional discharge line, via which the rinsing water cached in the storage container can be emptied.
  • a controllable blocking element such as a solenoid valve, can be connected for this purpose.
  • the return line branches off directly from the drain line. Downstream of this first branch point, in a further embodiment, a second branch point can be provided, at which the circulation line branches off from the discharge line.
  • the recirculation line may be in fluid communication with the detergent dispenser box or with the tub to form a closed loop return circuit.
  • the circulation line is not connected directly to the storage tank.
  • the rinsing liquid is pumped via the return line into the storage container and stored there by means of the drain pump.
  • a three-way valve arranged in the first branching point is opened.
  • the rinse water can therefore be returned by gravity from the storage tank on the put out of service drain pump into the tub. Subsequently, over the Three-way valve the drain line released and closed the Stromungsweg to the storage tank.
  • the rinse water is passed via the drain line to the second branch point at which it is returned via a correspondingly switched three-way valve in the recirculation line and the tub.
  • the drain pump can be used here both as a circulation pump and for discharging flushing liquid for the sewer system.
  • FIG. 1 is a washing machine according to the first embodiment with a tub 1 shown A rotatable in the tub 1 washing drum 3 is indicated only by dashed lines.
  • a drain line 5 is connected, in which a return line 9 branches off in a first branch point 8, which is fluidly connected to a storage tank 7 described later.
  • a drain pump 11 Downstream of the first branching point 8, a drain pump 11 is connected in the discharge line 5, which conveys spent washing or rinsing water into the drainage system.
  • a solenoid valve 13 In the return line 9, a solenoid valve 13 is connected as a blocking element.
  • the drain pump 11 is directly upstream of another solenoid valve 15. Die Both solenoid valves 13, 15, as well as the other electrically actuated device components are controlled by a control device, not shown here.
  • the solenoid valves 13, 15 alternately release the return line 9 or the drain line 5.
  • a control element 17 Upstream of the first branching point 8, a control element 17 is arranged, which closes its discharge region 6 when filling the tub 1.
  • the storage container 7 is arranged in a closed return circuit. In the return cycle flushing liquid coming from the tub 1 is cached in the storage container 7 after a rinse cycle described later. The stored in the storage tank 7 rinse water is then returned via the circulation line 19 and the circulating pump 21 disposed therein in the tub 1. Due to the level changes in the storage tank 7 takes place via a vent line 23 which connects the storage tank 7 with the tub 1, a pressure compensation.
  • a riser 24 is connected in the drain region 6, at the free end of a level sensor 26 is arranged.
  • a level sensor 26 an analog pressure sensor can be used, with which arbitrary levels can be measured.
  • the signal output of the sensor 26 is connected to the control device, not shown, which controls the predetermined liquid levels in the tub 1 in each washing program section.
  • a level sensor 28 is associated with the storage container 7 via a riser 27, which detects the liquid level in the storage container 7.
  • the storage container 7 is connected to a discharge line 25. When the termination line 25 is released, the storage container 7 can be emptied, for example during servicing.
  • the washing program of the washing machine is known to include a washing program section and a washing program section.
  • the wash program section is divided into individual wash cycles. After the start of the washing program section, washing liquid is fed into the tub 1 via the supply line 4 and via the detergent dispenser box 31 until the level sensor 26 detects a predetermined level of liquid in the tub 1.
  • the rinses are performed. For each rinse a predetermined amount of fresh water is passed into the tub 1. At the end of the respective rinse the tub 1 is emptied with slings and the rinse water discharged through the drain line 5 by means of the drain pump 11 into the sewer system. For this purpose, the switched in the return line 9 solenoid valve 13 is closed, while the drain pump 11 upstream solenoid valve 15 is opened.
  • the drain pump 11 is turned off and the upstream solenoid valve 15 is closed, while the return line 9 is opened to the storage tank 7.
  • the storage container 7 is according to the Fig. 1 arranged by a height difference .DELTA.h 1 below the tub 1 , so that under gravity the flushing liquid of the last rinse cycle flows into the storage container 7 and is cached therein.
  • FIG. 2 shown second embodiment corresponds functionally to the first embodiment, so that the same effect device components or fluid lines are provided with the same reference numerals.
  • a three-way valve 29 is provided, which releases the drain line 5 or the return line 9 depending on the switching position.
  • a second branching point 22 is provided in the discharge line 5, in which the circulation line 19 branches off from the discharge line 5.
  • a three-way valve 30 is also provided.
  • the tub 1 In the return circuit of the washing machine Fig. 2 is therefore the tub 1, the drain pipe 5 arranged in the drain pump 11 and the circulation line 19 connected.
  • the storage container 7 is arranged in contrast to the drain line 5 in contrast.
  • the three-way valve 29 of the first branching point 8 is moved to its second switching position, in which the rinsing liquid is conveyed by means of the drain pump 11 into the storage container 7.
  • the rinsing liquid is conveyed by means of the drain pump 11 into the storage container 7.
  • For pressure equalization of the storage tank 7 is connected via the vent line 23 to the tub 1.
  • the rinsing liquid thus cached in the storage container 7 is used for the start of the subsequent washing program for the wash cycle.
  • the drain pump 11 is disabled and spent the first solenoid valve 29 in the second switching position. In this way, the cached rinsing liquid can flow by gravity from the storage tank 7 into the tub 1.
  • the storage container 7 is arranged by a height difference h 2 above the predetermined liquid levels in the tub 1.
  • the recirculated rinsing liquid is circulated in the return circuit.
  • the first solenoid valve 29 is back in the in the Fig. 2 shown switching position spent while the second solenoid valve 30 is moved to its second switching position.
  • the drain pump 11 is switched on, therefore, the rinsing liquid is conveyed via the drain line 5 and the now released circulation line 19 into the detergent dispenser 31 and from there fed into the tub 1 until a uniform detergent mixing is ensured.
  • the drain pump 11 therefore also acts as a double function during the circulation operation as a circulation pump.
  • a heating element 33 is connected, which heats the washing liquid during the circulation operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP09749708.5A 2008-05-19 2009-05-04 Waschmaschine sowie verfahren zur rückgewinnung von spülflüssigkeit in einer waschmaschine Active EP2283180B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09749708T PL2283180T3 (pl) 2008-05-19 2009-05-04 Pralka automatyczna oraz sposób odzyskiwania popłuczyn w pralce automatycznej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200801565A ES2354104B1 (es) 2008-05-19 2008-05-19 Máquina lavadora y procedimiento para la recuperación de líquido de aclarado en una máquina lavadora.
PCT/EP2009/055337 WO2009141218A1 (de) 2008-05-19 2009-05-04 Waschmaschine sowie verfahren zur rückgewinnung von spülflüssigkeit in einer waschmaschine

Publications (2)

Publication Number Publication Date
EP2283180A1 EP2283180A1 (de) 2011-02-16
EP2283180B1 true EP2283180B1 (de) 2014-12-31

Family

ID=41057598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09749708.5A Active EP2283180B1 (de) 2008-05-19 2009-05-04 Waschmaschine sowie verfahren zur rückgewinnung von spülflüssigkeit in einer waschmaschine

Country Status (4)

Country Link
EP (1) EP2283180B1 (es)
ES (1) ES2354104B1 (es)
PL (1) PL2283180T3 (es)
WO (1) WO2009141218A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2953226B1 (fr) * 2009-11-27 2011-12-09 Fagorbrandt Sas Procede de commande en fonctionnement d'un appareil de lavage et appareil de lavage associe
FR2953118B1 (fr) * 2009-11-27 2012-02-17 Fagorbrandt Sas Machine a laver comprenant un reservoir de stockage d'eau provenant d'au moins une phase de lavage et/ou de rincage et/ou de sechage et procede associe
FR2953117B1 (fr) * 2009-11-27 2012-02-17 Fagorbrandt Sas Procede de nettoyage d'un reservoir de stockage d'eau d'une machine a laver et machine a laver associee
EP2390398A1 (de) * 2011-07-12 2011-11-30 V-Zug AG Haushaltsgerät mit Wasserbehandlungsvorrichtung zur Behandlung von zu lagerndem Prozesswasser
BRPI1104148B1 (pt) * 2011-08-15 2020-01-28 Electrolux Do Brasil Sa máquina de lavanderia provida de reservatório inferior e processo de lavagem para uma máquina de lavanderia
EP2781641B1 (en) 2013-03-19 2019-10-16 Whirlpool Corporation Washing machine with a storage tank for reusing water and method for carrying out a water reuse step
EP2781642B1 (en) 2013-03-19 2019-09-11 Whirlpool Corporation Washing machine with water storage tank
EP2937459B1 (en) 2014-04-25 2016-12-21 Whirlpool Corporation Washing machine with a water storage tank
JP6780159B2 (ja) * 2015-09-30 2020-11-04 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． 洗濯機
WO2020160425A1 (en) 2019-01-31 2020-08-06 Ecolab Usa Inc. Controlling water levels and detergent concentration in a wash cycle
WO2020160429A1 (en) * 2019-01-31 2020-08-06 Ecolab Usa Inc. Controller for a rinse water reuse system and methods of use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1263763B (it) * 1993-01-19 1996-08-29 Candy Spa Macchina lavatrice, per biancheria o stoviglie,a parcheggio di liquido
FR2758341B1 (fr) * 1997-01-10 1999-05-07 Dubix De Souza Snc Dispositif economiseur d'eau pour lave-linge et lave-linge equipe d'un tel dispositif
DE19745824A1 (de) * 1997-10-16 1999-04-22 Bosch Siemens Hausgeraete Spülfunktionen durchführendes Haushaltgerät
JP2006034716A (ja) * 2004-07-28 2006-02-09 Sanyo Electric Co Ltd 洗濯機

Also Published As

Publication number Publication date
ES2354104A1 (es) 2011-03-10
ES2354104B1 (es) 2012-01-25
EP2283180A1 (de) 2011-02-16
PL2283180T3 (pl) 2015-05-29
WO2009141218A1 (de) 2009-11-26

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