EP2650423B1 - Steuerverfahren einer laufenden Waschmaschine und entsprechende Waschmaschine - Google Patents

Steuerverfahren einer laufenden Waschmaschine und entsprechende Waschmaschine Download PDF

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Publication number
EP2650423B1
EP2650423B1 EP13163207.7A EP13163207A EP2650423B1 EP 2650423 B1 EP2650423 B1 EP 2650423B1 EP 13163207 A EP13163207 A EP 13163207A EP 2650423 B1 EP2650423 B1 EP 2650423B1
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EP
European Patent Office
Prior art keywords
water
water tank
rinsing
washing
tank
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.)
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Application number
EP13163207.7A
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English (en)
French (fr)
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EP2650423A1 (de
Inventor
Safia Zaakour
Dany Ginzburg
Antonia Volle
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.)
Groupe Brandt SAS
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FagorBrandt SAS
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Publication date
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Priority to PL13163207T priority Critical patent/PL2650423T3/pl
Publication of EP2650423A1 publication Critical patent/EP2650423A1/de
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Publication of EP2650423B1 publication Critical patent/EP2650423B1/de
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    • 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

Definitions

  • the present invention relates on the one hand to a method of operating control of a laundry machine so as to fill a water tank with rinsing water from a washing tank during a operating cycle implemented by the washing machine, and secondly a washing machine adapted to implement the control method according to the invention.
  • the invention relates to washing machines, and more particularly domestic washing machines, comprising a water tank that can allow the use of washing and / or rinsing water during washing. a next phase of an operating cycle or during a subsequent operating cycle.
  • washing machine manufacturers take care of the washing programs of their washing machines so as to minimize the consumption of water.
  • Washing machines are already known comprising a bodywork, a washing tub enclosed in the bodywork, a drum rotatably mounted inside the washing tub, a hydraulic water distribution circuit, where the hydraulic circuit water distribution system comprises at least one water supply valve so as to fill the wash tank with water from the network.
  • washing machines have the disadvantage of implementing a cycle of operation of the washing machine by filling the water wash tank only by means of a water supply valve connected to a external water network.
  • the water used during a cycle of operation of the washing machine is not reused during the implementation of a subsequent operating cycle so as to reduce the consumption of water.
  • the document is also known FR 2 718 162 A1 which describes a washing machine comprising a bodywork, a washing tub enclosed in the bodywork, a drum rotatably mounted inside the washing tub, a rinse water tank, a hydraulic distribution circuit 'water.
  • the hydraulic water distribution circuit connects the washing tub of the machine to the water tank.
  • the hydraulic water distribution circuit comprises a plurality of water circulation pumps circulating rinsing water from the water tank to the washing tank of the machine, and vice versa.
  • This washing machine allows the water tank to recover the water drained during one or more rinsing phases of a current operating cycle, so as to reuse this water during the first phase of washing , or prewash, the next operating cycle.
  • this washing machine has the disadvantage of recovering only water drained during one or more rinsing phases in the water tank.
  • the water tank can recover only a small amount of water from the emptying of one or more rinsing phases of an operating cycle implemented by the washing machine.
  • the present invention aims to solve the aforementioned drawbacks and to provide a control method in operation of a washing machine, and a washing machine, to increase the amount of rinse water recovered and stored in the water tank while limiting the noise and avoiding malfunctions related to filling the water tank with rinsing water during a phase following a rinsing phase of a set operating cycle implemented by said machine.
  • the present invention aims, in a first aspect, a method of operating control of a washing machine, said washing machine comprising: a body; a wash tub enclosed in said body; a drum rotatably mounted within said wash tub; a tank of washing and / or rinsing water; a hydraulic water distribution circuit; wherein said hydraulic water distribution circuit connects said wash tub of said machine to said water reservoir, said hydraulic water distribution circuit comprising at least one water circulation pump circulating wash water and / or rinsing from said wash tank to said water tank of said machine, and vice versa.
  • Said method comprises at least a first step of filling said water tank with rinsing water from said washing tank following a rinsing phase of an operating cycle of said machine.
  • said method also comprises a second step of filling said water tank with rinsing water coming from said washing tank implemented during a first part of a spinning phase, wherein said first part of said spinning phase comprises at least one spinning peak, and said second step of filling said water tank with rinsing water from said washing tank is interrupted before the implementation a second part of said spinning phase, wherein said second part of said spinning phase comprises at least one spinning stage.
  • the water tank can recover a quantity of rinsing water from the emptying of one or more rinsing phases, as well as a quantity of water of rinsing from a first part of one or more spinning phases comprising at least one spin peak of an operating cycle implemented by the washing machine.
  • the amount of rinsing water recovered and stored in the water tank is increased while limiting noise and avoiding malfunctions related to filling the water tank with rinsing water during a period of time.
  • spinning phase following a rinsing phase of an operating cycle implemented by the washing machine in particular by avoiding the formation of water rings in the washing tub.
  • the rinsing water circulated from the washing tub into the water tank during the first water filling step of the water tank corresponds to the amount of rinsing water contained in the washing tub.
  • the rinsing water circulated from the washing tub into the water tank during the second water filling stage of the water tank corresponds to the amount of rinsing water extracted from the charging tank. laundry contained in the drum during the implementation of at least one spinning peak.
  • the amount of rinsing water recovered in the water tank is rinsing water having a low presence of detergents since the amount of rinsing water recovered during the spinning phase is water removed from the laundry load during at least one spin peak.
  • the concentration of detergent products in the rinsing water is lower than that of the rinsing water removed from the load of laundry during a second part of the spinning phase comprising spinning stages.
  • the spin peak (s) used during a first part of a spinning phase comprise a phase of increasing the speed of rotation of the drum according to an acceleration curve, a phase of decreasing the speed of rotation of the drum. speed of rotation of the drum according to a deceleration curve, in which the phase of decreasing the speed of rotation of the drum is implemented as soon as the speed of rotation of the maximum drum is reached during the phase of increasing the speed rotation of the drum.
  • the spinning stage (s) used during a second part of a spinning stage comprise a phase of increasing the speed of rotation of the drum according to an acceleration curve, a phase of maintaining the speed of rotation of the drum at a maximum speed of rotation of the drum reached at the end of the phase of increasing the speed of rotation of the drum, and a phase of decreasing the speed of rotation of the drum according to a deceleration curve.
  • acceleration curve of a phase of increasing the rotational speed of the drum of each spin peak or of each spin stage may be different or equivalent.
  • the phase of decreasing the speed of rotation of the drum of a spinning bearing can be common to several spinning stages chained one after the other.
  • phase of increasing the speed of rotation of the drum and the phase of maintaining the speed of rotation of the drum of several bearings are implemented successively without phase of decreasing the speed of rotation of the drum. Then, a phase of decreasing the speed of rotation of the drum is implemented after the phase of maintaining the speed of rotation of the drum of a last spin stage.
  • At least a portion of the amount of rinsing water extracted from the laundry load contained in the drum during at least one spinning peak of the first part of a spin phase is introduced into the water tank so as to increase the amount of rinsing water recovered in the water tank and to ensure the complete water filling thereof at the end of each cycle of operation implemented by the machine. wash the laundry.
  • the amount of rinsing water reused during a subsequent operating cycle is maximum relative to the capacity of the water tank so as to minimize the water consumption of the next operating cycle.
  • the present invention aims, according to a second aspect, a washing machine a bodywork; a wash tub enclosed in said body; a drum rotatably mounted within said wash tub; a tank of washing and / or rinsing water; a hydraulic water distribution circuit; wherein said hydraulic water distribution circuit connects said wash tub of said machine to said water reservoir, said hydraulic water distribution circuit comprising at least one water circulation pump circulating wash water and / or rinsing from said wash tank to said water reservoir of said machine, and vice versa; control means of an operating cycle.
  • said control means of the washing machine are adapted to implement the control method.
  • This washing machine has features and advantages similar to those described above in connection with the control method according to the invention.
  • This washing machine can be a household washing machine or a washing machine and dryer for domestic use.
  • a washing machine 1 comprises a body 2.
  • the body 2 of the washing machine 1 comprises a front wall 2a, a rear wall 2d, two side walls, a top wall 2b and a bottom wall 2c.
  • such a washing machine 1 comprises a body 2 adapted to house a washing tub 3.
  • a drum 15 for containing the laundry is rotatably mounted inside the washing tub 3.
  • the rotating drum 15 is rotated by a motor.
  • the body 2 has an upper opening for introducing and removing the laundry in the drum 15.
  • This access opening can be closed during operation of the machine 1 by a door 4 pivotally mounted on the body 2 of the machine 1.
  • the washing machine 1 comprises at least one means for heating (not shown) the liquid introduced into the washing tub 3.
  • Said at least one heating means may be an electric heating resistor disposed inside the tub of washing 3 and / or a steam generator. Said at least one heating means can thus make it possible to heat the water of at least one washing and / or rinsing bath contained in the washing tank 3.
  • heating means is in no way limiting and may be different.
  • the washing machine 1 comprises control means of an operating cycle, and in particular at least one microcontroller, for unfolding predetermined operating cycles.
  • a control panel 5 is also provided in the upper part of the washing machine 1.
  • this washing machine 1 comprises all the necessary organs (not shown) for the operation and execution of the wash, rinse and spin phases of the laundry.
  • the washing machine 1 comprises a washing and / or rinsing water tank 6.
  • the water tank 6 is internal to the body 2 of the washing machine 1.
  • the water tank 6 can be fixed to the body 2 of the washing machine 1, for example on a wall of the body 2, such as the front wall 2a, the rear wall 2d or a side wall.
  • the positioning and / or attachment of the wash water tank and / or rinse with the body of the washing machine are in no way limiting and may be different.
  • the washing machine 1 comprises a hydraulic water distribution circuit, wherein the hydraulic water distribution circuit connects the washing tub 3 of the washing machine 1 to the water tank 6.
  • the hydraulic water distribution circuit of the washing machine 1 comprises at least one water supply valve 18 so as to fill the wash tank 3 with water.
  • Said at least one water supply valve 18 thus makes it possible to fill the wash tank 3 with water in the various phases of a wash cycle with water that has not been used during a phase preceding the current operating cycle or during a previous operating cycle.
  • the hydraulic water distribution circuit of the washing machine 1 can to be supplied with water from the network via a network water supply pipe connected directly to the washing machine 1 from an external water network 19 by means of said at least one water supply valve 18 allowing to regulate the quantity of water necessary for the operation of the washing machine 1.
  • said at least one water supply valve 18 is a solenoid valve installed at the inlet of the hydraulic water distribution circuit of the washing machine 1 and connected to an external water network 19.
  • Said at least one water supply valve 18 supplies to the mains water a detergent box 17 so as to entrain the detergent product (s) contained therein, in particular in compartments, in the washing tub 3 and filling with water said washing tub 3.
  • the hydraulic water distribution circuit comprises at least one water circulating pump 11, 12 so as to fill the water tank 6 with washing and / or rinsing water from the washing tub 3 of the washing machine. wash the laundry 1.
  • At least one water circulation pump 11, 12 of the hydraulic water distribution circuit makes it possible to circulate washing and / or rinsing water from the water tank 6 to the washing tub. 3 of the washing machine 1, and vice versa.
  • the hydraulic water distribution circuit comprises a plurality of water flow lines 7, 8, 9, 10.
  • the first water circulation pump 11 mounted at the outlet of the washing tub 3 of the washing machine 1 makes it possible on the one hand to supply wash water and / or rinse the water tank. 6 from the washing tub 3 of the washing machine 1 and secondly to empty the washing tub 3 to the external waste water network 13.
  • the second water circulation pump 12 mounted on the water tank 6 allows on the one hand to supply washing water and / or rinse the washing tub 3 of the washing machine 1 from the water tank 6 and on the other hand to drain the water tank 6 to the external waste water network 13.
  • One of said first and second water circulation pumps 11, 12 is adapted to allow the passage of a stream of water from the washing tub 3 to the water tank 6, and vice versa, when this is inactive while another said first and second water circulation pumps 11, 12 are active.
  • one of said first and second water circulation pumps 11, 12 being stopped is adapted to allow a flow of water to flow therethrough when the other of said first and second circulation pumps of water 11, 12 operates so as not to block the flow of water through the hydraulic water distribution circuit of the washing machine 1, and vice versa.
  • the hydraulic water distribution circuit between the washing tank 3 and the water tank 6 comprising two water circulation pumps 11, 12 and a multi-way valve 14 is simplified so as to limit the costs of the water supply. obtaining and guaranteeing the reliability of the washing machine 1.
  • said first and second water circulation pumps 11, 12 are centrifugal pumps.
  • centrifugal pumps allow the passage of a flow of water inside their body when they are not put into operation.
  • the second water circulation pump 12 is located at a low point of the water tank 6.
  • the second water circulation pump 12 makes it possible to empty the water tank 6.
  • the positioning of the second water circulation pump 12 being a centrifugal pump is also related to its design since this water circulation pump can only work when it is filled with water and not by sucking in water.
  • the positioning of the second water circulation pump 12 at a low point of the water tank 6 is also related to the space available inside the body 2 of the washing machine 1 of the so as to optimize the dimensions of the washing tub 3 of the washing machine 1 and the water tank 6.
  • the water tank 6 comprises at least one connection for a water circulation line 7, and a connection for a drain line 8.
  • the water tank 6 is supplied with washing water and / or rinsing water via a water circulation pipe 7 coming from the washing tub 3 of the washing machine 1.
  • the washing water supply and or rinsing the water tank 6 from the washing tub 3 of the washing machine 1 can be implemented by the first water circulation pump 11 of the washing machine 1, in particular a drain pump.
  • the water tank 6 supplies washing water and / or rinsing water, a previous phase of an operating cycle during implementation or a previous operating cycle, the washing tank 3 of the washing machine 1 by a water circulation pipe 7.
  • the washing water and / or rinsing water supply of the washing tub 3 of the washing machine 1 from the water tank 6 can be implemented by the second pump water circulation 12 of the water tank 6, in particular a drain pump.
  • the water tank 6 is filled with rinsing water from the washing tank 3 so as to recover a portion of the rinsing water from one or more rinsing phases of an operating cycle and to reuse this during the wetting phase of the laundry of a next operating cycle, in particular during a cold wash phase or during a prewash phase.
  • the supply of washing water and / or rinsing from the washing tub 3 of the washing machine 1 to the water tank 6, and vice versa can be implemented by means of different water flow lines.
  • the water circulation pipe 7 can also serve to empty the washing tub 3 of the washing machine 1 by directing washing and / or rinsing water to the external waste water network 13 following the passage of this washing water and / or rinsing through members mounted on the water tank 6, in particular the multi-way valve 14, and without having been stored in the water tank 6.
  • the water tank 6 is drained from the washing and / or rinsing water coming from the washing tub 3 of the washing machine 1, where the washing and / or rinsing water is stored in a container. washing water storage area and / or rinsing said water tank 6, by a drain line 8 connected to the water tank 6, in particular by the multi-way valve 14, and to the external wastewater network 13.
  • the drain line 8 can be used for draining the washing and / or rinsing water contained in the water tank 6 and the washing and / or rinsing water contained in the washing tank 3 of the washing machine 1 to the external waste water network 13, in particular by means of the multichannel valve 14.
  • the water circulation pipe 7 connecting the washing tub 3 of the washing machine 1 to the water tank 6 and the drain pipe 8 connecting the water tank 6 to the external waste water network 13 are interconnected by means of the multiport valve 14 so as to direct the washing and / or rinsing water to the external waste water network 13 either directly at the outlet of the washing tub 3 of the washing machine 1 or after passing through the washing tank 1 water 6.
  • the multichannel valve 14 is connected to four lines 7, 8, 9, 10 inlet and / or outlet of washing water and / or rinsing.
  • a first water circulation pipe 10 is connected to the multi-way valve 14 and to the second water circulation pump 12 installed at a low point of the water tank 6.
  • the first water circulation pipe 10 is formed inside the water tank 6, and in particular formed by walls of the water tank 6.
  • the second water circulation pipe 7 is connected at the outlet of the first water circulation pump 11 and at the multi-way valve 14, said first water circulation pump 11 being connected to the drain outlet of the water tank. washing 3 of the washing machine 1.
  • the second water circulation pipe 7 is made in two parts.
  • the first part of the second water circulation pipe 7 is a flexible pipe connected at the outlet of the first water circulation pump 11 and to a water passage opening of the water tank 6.
  • the second part of the second water circulation pipe 7 is a pipe formed inside the water tank 6 connected to the water passage opening of the water tank 6 and to the multi-way valve 14.
  • a drain line 8 is connected on the one hand to the multi-way valve 14, in particular to a water inlet opening of the multi-way valve 14, and on the other hand to the external wastewater network 13.
  • the pipe 8 is a flexible pipe.
  • An overflow pipe 9 is formed inside the water tank 6.
  • An end of the overflow pipe 9 comprises a water inlet opening 31 opening inside the water tank 6.
  • the water inlet opening 31 of the overflow pipe 9 is preferably located at the same height or above the maximum permissible water level N1 within the water reservoir 6.
  • Another end of the overflow line 9 is connected to the multiport valve 14.
  • the graph illustrates by a curve L1 in full line the evolution of the speed of rotation V in revolutions per minute of the rotary drum 15 as a function of time t in seconds.
  • the time t is represented on the abscissa axis
  • the rotation speed V is represented on the ordinate axis.
  • the operating control method of a washing machine 1 comprises at least a first filling step B of the water tank 6 with rinsing water from the washing tank 3 following a rinsing phase A cycle of operation of the washing machine 1.
  • the method also comprises a second step of filling the water tank 6 with rinsing water from the washing tank 3 implemented during a first part of a spin phase C, where the first part of the spinning phase C comprises at least one spinning peak.
  • the water tank 6 can recover a quantity of rinsing water coming from the emptying of one or more rinsing phases, as well as a quantity of rinsing water coming from a first part of one or several spinning stages comprising at least one spinning peak of an operating cycle implemented by the washing machine 1.
  • the amount of rinsing water recovered and stored in the water tank 6 is increased while limiting the noise and avoiding malfunctions related to the filling of rinsing water of the water reservoir 6 during a dewatering phase following a rinsing phase A of an operating cycle carried out by the washing machine 1, in particular by preventing the formation of water rings in the washing tub 3.
  • the rinsing water circulated from the washing tank 3 into the water tank 6 during the first filling stage B in water of the water tank 6 corresponds to the amount of rinsing water contained in the the washing tub 3.
  • the rinsing water circulated from the washing tub 3 into the water tank 6 during the second water filling stage of the water tank 6 corresponds to the quantity of water. rinse water extracted from the load of laundry contained in the drum 15 during the implementation of at least one spin peak.
  • the rinsing water is circulated from the washing tank 3 into the water tank 6 by means of at least one water circulation pump 11, in particular the water circulation pump 11.
  • the amount of rinsing water recovered in the water tank 6 is rinsing water having a low presence of detergents since the amount of rinsing water recovered during the spinning phase is water removed from the laundry load during at least one spin peak.
  • the detergent concentration in the rinsing water is lower than that of the rinsing water removed from the rinsing charge.
  • the spinning peak (s) used during a first part of a spin phase C comprise a phase of increasing the speed of rotation of the drum 15 according to an acceleration curve, a phase of decrease the speed of rotation of the drum 15 according to a deceleration curve, wherein the phase of decreasing the speed of rotation of the drum 15 is carried out as soon as the speed of rotation of the maximum drum is reached during the phase of increase in the speed of rotation of the drum 15.
  • the spinning stage (s) used during a second portion of a spinning phase E comprise a phase of increasing the speed of rotation of the drum 15 according to an acceleration curve, a holding phase the speed of rotation of the drum 15 at a maximum speed of rotation of the drum 15 reached at the end of the phase of increasing the speed of rotation of the drum 15, and a phase of decreasing the speed of rotation of the drum 15 following a curve deceleration.
  • acceleration curve of a phase of increasing the speed of rotation of the drum 15 of each spin peak or of each spin stage may be different or equivalent.
  • the phase of decreasing the speed of rotation of the drum 15 of a spin stage may be common to several spinning stages chained one after the other.
  • phase of increasing the speed of rotation of the drum 15 and the phase of maintaining the speed of rotation of the drum 15 of several bearings are implemented successively without phase of decreasing the speed of rotation of the drum 15. Then , a phase of decreasing the speed of rotation of the drum 15 is implemented after the phase of maintaining the speed of rotation of the drum 15 of a last spin stage.
  • the first filling step B of the water tank 6 with rinsing water coming from the washing tank 3 is preceded by a step of emptying the water tank 6 towards the water supply network. wastewater 13.
  • the water tank 6 is emptied of the water that can be contained inside thereof before the first filling stage B of the water tank 6 with rinsing water coming from the tank of water. washing 3 so as to avoid mixing the rinsing water with a rinsing phase A of an operating cycle operated by the washing machine 1 with water contained inside the storage tank 1 water 6.
  • the water tank 6 is filled with rinsing water of an operating cycle implemented by the washing machine 1 so as to reuse it during a wetting phase set in operation. during a subsequent operating cycle without risk of contamination with water introduced beforehand into the water tank 6, in particular with washing water that could be introduced beforehand into the water tank 6 continued malfunction of the multichannel valve 14 or a leakage thereof.
  • the step of emptying the water tank 6 towards the wastewater network 13 is implemented by putting into operation said at least one water circulation pump 12, in particular the water circulation pump. 12.
  • the at least one water circulation pump 12 is operation for a predetermined period of time, which may for example be of the order of 56 seconds.
  • the predetermined period of time for putting said at least one water circulation pump 12 into operation during the step of emptying the water tank 6 towards the waste water network 13 preceding the first filling stage B of the water tank 6 corresponds to the period of time necessary to completely empty the water tank 6 towards the wastewater network 13.
  • the first part of a spin phase C comprises at least one spinning peak and is implemented without any spin step.
  • the first part of a spin phase C comprises only at least one spin peak.
  • the first part of a spin phase C comprises two spinning peaks.
  • the first spinning peak of the first part of a spinning phase C reaches a speed of rotation of the drum 15 of the order of 250 revolutions per minute.
  • the second spinning peak of the first part of a spinning phase C reaches a rotation speed of the drum 15 of the order of 400 revolutions per minute.
  • the number of spin peaks and the maximum speed of rotation of the drum of each of the spinning peaks of the first part of a spin phase C are in no way limiting.
  • the first part of a spin phase C may comprise one or more spinning peaks having a maximum drum rotation speed equal or different.
  • the drum 15 is rotated between two spinning spins at a speed of rotation in a range between 30 rpm and 60 rpm. per minute, and preferably of the order of 50 revolutions per minute.
  • the amount of rinsing water recovered and stored in the water tank 6 following the first and second water filling steps of the water tank 6 is reused at least during a wetting phase of a next operating cycle.
  • the wetting phase of a subsequent operating cycle is implemented during a cold wash phase or a prewash phase.
  • At least a portion of the amount of rinse water extracted from the load of laundry contained in the drum 15 during at least one spinning peak of the first part of a spin phase C is introduced into the water tank 6 so as to increase the amount of rinsing water recovered in the water tank 6 and to ensure the complete water filling thereof at the end of each operating cycle implemented by the washing machine 1.
  • the amount of rinsing water reused during a subsequent operating cycle is maximum relative to the capacity of the water tank 6 so as to minimize the water consumption of the next operating cycle.
  • the first water filling step B of the water tank 6 with rinsing water from the washing tank 3 is preceded by a step of activating the multi-way valve 14 so that to allow a flushing water flow passage from the washing tub 3 to the water tank 6.
  • the first water filling stage B of the water tank 6 with rinsing water coming from the washing tank 3 is carried out after the last rinsing phase A of an operating cycle implemented. by the washing machine 1.
  • the rinsing water recovered during the first and second filling steps of the water tank 6 with rinsing water from the washing tub 3 contains a minimum of detergents.
  • the first filling step B of the reservoir water 6 with rinsing water from the washing tub 3 is implemented by rotating the drum 15 simultaneously.
  • the drum 15 is rotated so as to avoid the settling of the laundry contained in the drum 15.
  • the rotational drive of the drum 15 during the first filling step B of the water tank 6 with rinsing water from the washing tank 3 facilitates the extraction of water the load of laundry contained in the drum 15.
  • the drum 15 is rotated at a rotation speed in a range of between 30 and 30.degree. revolutions per minute and 60 revolutions per minute, and preferably of the order of 50 revolutions per minute.
  • the first filling step B of the water tank 6 with rinsing water from the washing tank 3 is carried out until a first water level is reached. predetermined N1_Low in the washing tub 3.
  • a sufficient water level corresponding to the first predetermined water level N1_Bas is maintained in the washing tub 3 so as to avoid the defusing of said at least one water circulation pump 11, in particular the water pump circulation of water 11 for emptying the washing tub 3 to the water tank 6 or to a waste water network 13.
  • the method comprises a step of determining the water level in the washing tub 3.
  • the step of determining the water level in the washing tub 3 makes it possible to measure the quantity of water present remaining at the bottom of the washing tub 3.
  • This step of determining the level of water in the tub of washing 3 can also make it possible to determine the quantity of water discharged into the water tank 6.
  • the washing machine 1 also comprises a water level regulator 16 connected to the washing tub 3.
  • the water level regulating device 16 may be a pressure switch, and in particular an analog pressure switch.
  • the water level regulating device 16 thus makes it possible to obtain a determined water level necessary to protect the laundry from the mechanical action and said device makes it possible to optimize the consumption of water.
  • the step of determining the water level in the washing tank 3 is carried out by a measurement of the water level, in particular by means of the pressure switch.
  • said at least one water circulation pump 11 is put into operation until reaching the first predetermined water level N1_Bas in the washing tank 3, in particular the water circulation pump 11.
  • said at least one water circulation pump 11 is put into operation during the duration of the first part of a spin phase C, in particular the water circulation pump 11.
  • a water flow passage 20 formed between the washing tub 3 and the water tank 6 is in the open position.
  • the second step of filling the water tank 6 with rinsing water from the washing tank 3 is interrupted before the implementation of a second part of the spinning phase E, where the second part of the spinning phase E comprises at least one spinning stage.
  • the second step of filling the water tank 6 with rinsing water from the washing tub 3 is implemented while limiting the noise and avoiding malfunctions related to the filling of the rinsing water.
  • the amount of rinsing water recovered in the water tank 6 is rinsing water having a low presence of detergents since the amount of rinsing water recovered during the spinning phase is the water removed from the laundry load during at least one spinning peak, where the detergent concentration in the rinse water removed from the load of laundry during a first part of the spinning phase C comprising at least one spinning peak is less than that of the rinse water removed from the load of laundry during a second part of the spin phase E comprising at least one step of spinning.
  • a step of emptying the water contained in the washing tank 3 is carried out during the second part of a spin phase E.
  • the quantity of rinsing water extracted from the laundry load contained in the drum 15 during the second part of a spinning phase E comprising at least one spinning stage is evacuated towards the water network worn 13 without passing through the water tank 6.
  • a waiting step D is carried out following the second step of filling the water tank 6 with rinsing water from the washing tub 3 and before the second part of the spinning phase.
  • a waiting step D is implemented between the first and second parts of the spinning phase C, E, where the first part of the spinning phase C comprises the second filling step of the filling stage of the tank of water 6 with rinsing water from the washing tub 3, so as to stabilize the hydraulic water distribution circuit of the washing machine 1 and to avoid hydraulic disturbances during the implementation. of the second part of the spin phase E.
  • the water flow passage 20 formed between the washing tub 3 and the water tank 6 has moved from an open position to a closed position.
  • the hydraulic connection between the washing tub 3 and the water tank 6 is interrupted so as to prevent the filling of the water reservoir with water 6 following the first part of the spin phase C.
  • the closure of the water flow passage 20 formed between the washing tank 3 and the water tank 6 following the first part of the spinning phase C, during which the second step of filling the water tank 6 with rinsing water from the washing tank 3, and before the second part of the spinning phase E, during which is implemented a step of emptying the water contained in the washing tank 3 to the waste water network 13, avoids creating sound turbulence and slow down the water draining step contained in the washing tub 3 to the network of water.
  • wastewater 13 during the second part of the phase drying station E by a flow of water in the hydraulic water distribution circuit directed towards the waste water network 13 and being able to infiltrate towards the water tank 6.
  • the step of emptying the water contained in the washing tank 3 is carried out so as to evacuate the directly to the wastewater network 13, in particular by passing through the multi-way valve 14.
  • the water flow passage 20 closed during the waiting step D is provided in the multi-way valve 14.
  • the waiting step D makes it possible to guarantee that the water flow passage 20 formed in the multi-way valve 14 is closed before the second part of the spin phase E is put into operation.
  • the water flow passage 20 formed in the multichannel valve 14 is closed by a valve 22, wherein said valve 22 is actuated by a wax cylinder 27a.
  • valve 22 for closing the water flow passage 20 formed in the multi-way valve 14 can be moved by another actuator, for example an electromagnet.
  • the period of time of the waiting step D is 180 seconds so as to ensure the closure of the water flow passage 20 formed in the multi-way valve 14 between the tank of washing 3 and the water tank 6 by means of the valve 22 actuated by a wax cylinder 27a.
  • the waiting step D makes it possible to close the passage of water flow 20 formed between the washing tub 3 and the water tank 6 so as to avoid creating sound turbulence during the second part of the spinning phase E by a flow of water in the hydraulic water distribution circuit directed towards the waste water network 13 and able to infiltrate towards the water tank 6, in particular due to the reaction time of an actuator 27a such as for example a wax cylinder moving a valve 22 from an open position to a closed position of the water flow passage 20 between the washing tub 3 and the water tank 6.
  • an actuator 27a such as for example a wax cylinder moving a valve 22 from an open position to a closed position of the water flow passage 20 between the washing tub 3 and the water tank 6.
  • a water flow passage 21 formed between the washing tub 3 and a waste water network 13 is open.
  • the water flow passage 21 open between the washing tub 3 and the waste water network 13 is formed in the multi-way valve 14.
  • the water flow passage 21 formed in the multi-way valve 14 and making it possible to connect the washing tub 3 and the waste water network 13 in hydraulic connection is opened during the second part of the spinning phase E .
  • the water flow passage 20 formed in the multichannel valve 14 is closed by a valve 22, wherein said valve 22 is actuated by a wax cylinder 27a.
  • the valve 22 for closing or opening the water flow passage 21 formed in the multiport valve 14 between the washing tub 3 and a waste water network 13 is the same valve 22 for closing or to open the water flow passage 20 formed in the multi-way valve 14 between the washing tub 3 and the water tank 6.
  • the drum 15 is rotated, in particular at a speed of rotation in a range of between 30 rpm and 60 rpm, and preferably of the order of 50 rpm. per minute.
  • the load of laundry contained in the drum 15 is released between the first part of the spin phase C and the second part of the spin phase E.
  • the drive in rotation of the drum 15 during the waiting step D makes it easier to increase the speed of rotation of the drum 15 during the implementation of a spinning stage during the second part of a spin phase E.
  • the waiting step D is followed by the second part of the spin phase E.
  • the second part of the spinning phase E comprises three spinning stages.
  • the first spinning stage of the second part of a spinning phase E maintains a speed of rotation of the drum 15 of the order of 800 revolutions per minute.
  • the second spinning stage of the second part of a spinning phase E maintains a rotation speed of the drum 15 of the order of 1050 revolutions per minute.
  • the third spinning stage of the second part of a spinning phase E maintains a speed of rotation of the drum 15 of the order of 1230 revolutions per minute.
  • the second part of a spinning phase E may comprise one or more spinning stages having an equal drum rotation speed or different.
  • the spinning stage (s) of the second part of a spin phase E are implemented respectively for a predetermined period of time.
  • the predetermined period of time of a spinning stage of the second part of a spin phase E is in the range of 15 seconds to 240 seconds.
  • the second part of the spinning phase E is followed by a release step F of the laundry contained in the drum 15.
  • the figure 2 illustrates a step of filling the water tank 6 with rinsing water from the washing tank 3 so as to recover the rinsing water used during a rinsing phase A of a set operating cycle implemented by the washing machine 1.
  • the step of filling the water tank 6 with rinsing water from the washing tank 3 is effected by activating the first water circulation pump 11, by opening the multi-way valve 14 from the tank of the water. washing 3 to the water tank 6, by circulating the rinsing water through the second water circulation pipe 7, the first water circulation pipe 10 and passing through the second circulation pump 12 water is stopped.
  • an actuator 27b of the multi-way valve 14 is not supplied with energy while an actuator 27a is supplied with energy. energy.
  • valves 22, 25 of the multi-way valve 14 are actuated while the valve 26 is not actuated.
  • the valves 22, 26 respectively close the passages water flow passages 21, 28.
  • the water flow passages 20, 29 are then opened to allow the flow of water to flow through the water flow passages 20, 29.
  • the water tank 6 fills with rinsing water from the washing tub 3 of the washing machine 1 as the water tank 6 empties from the air contained therein. inside by the venting device 30 of the water tank 6.
  • valve 22 closes the water flow passage 21 so that the flow of water feeding in rinsing water the water tank 6 from the washing tank 3 and the flow of water flowing from the overflow line 9 of the water tank 6 to the external wastewater network 13 are separated.
  • the water flow passages 20, 23 are then opened to allow the circulation of the water flow through the water flow passages 20, 23 so as to supply rinsing water to the water tank 6 from the washing tub 3.
  • the water flow passage 29 is open to allow flow of water flow through the water flow passage 29 so as to evacuate the excess water introduced into the water tank 6 to the external wastewater network 13.
  • the two valves 22, 25 may be connected by a connecting rod 34 so as to allow simultaneous opening and closing of the water flow passages 20, 21, 29.
  • This step of emptying the water tank 6 to the external waste water network 13 is effected by activating the second water circulation pump 12, by opening the multi-way valve 14 from the water tank 6 towards the network external waste water 13 and circulating the water contained in the water tank 6 through the first water circulation pipe 10 and the drain pipe 8.
  • a stream of water flows from the water tank 6 to the external wastewater network 13 through the multi-way valve 14.
  • the water flow enters through the water inlet / outlet opening 24 and exits through the water outlet opening 33 of the valve multipath 14.
  • the actuator 27a of the multichannel valve 14 is not supplied with energy while the actuator 27b is supplied with energy.
  • valves 22, 25 of the multichannel valve 14 are not actuated while the valve 26 is actuated.
  • the valves 22, 25, 26 respectively close off the water flow passages 20, 29, 23.
  • the water flow passages 21, 28 are then open to allow the flow of water to flow through the passages. water flow 21, 28.
  • the water reservoir 6 fills with air as it is emptied of the water contained therein.
  • the washing machine 1 comprises control means provided with a control unit (not shown), wherein the control unit comprises at least one electronic card.
  • Said at least one electronic card comprises at least one microcontroller capable of implementing predetermined operating cycles of the washing machine 1.
  • the control unit controls in particular said at least one water circulation pump 11 , 12, the multi-way valve 14, the rotational drive of the drum 15 so as to implement the control method, as described above.
  • the water tank can recover a quantity of rinsing water coming from the emptying of one or more rinsing phases, as well as a quantity of rinsing water coming from a first part of the rinsing water.
  • one or more spinning stages comprising at least one spinning peak of an operating cycle set in work by the washing machine.
  • the amount of rinsing water recovered and stored in the water tank is increased while limiting noise and avoiding malfunctions related to filling the water tank with rinsing water during a period of time.
  • spinning phase following a rinsing phase of an operating cycle implemented by the washing machine in particular by avoiding the formation of water rings in the washing tub.
  • the washing machine can be a washing machine, or a washing machine and dryer.
  • the washing machine may be of the laundry loading type from above or front.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (9)

  1. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1), wobei die besagte Waschmaschine (1) umfasst:
    - ein Gehäuse (2);
    - einen von dem besagten Gehäuse (2) umschlossenen Laugenbehälter (3);
    - eine Trommel (15), welche im Inneren des besagten Laugenbehälters drehend gelagert ist;
    - einen Wasch- und/oder Spülflottenbehälter (6);
    - einen Hydraulikschaltkreis zur Wasserverteilung;
    - wobei der besagte Hydraulikschaltkreis zur Wasserverteilung den besagten Laugenbehälter (3) der besagten Maschine (1) mit dem besagten Flottenbehälter (6) verbindet, wobei der besagte Hydraulikschaltkreis zur Wasserverteilung mindestens eine Wasserumwälzpumpe (11, 12) umfasst, welche die Wasch- und/oder Spülflotte von dem besagten Laugenbehälter (3) in den besagten Flottenbehälter (6) der besagten Maschine (1), und umgekehrt, umwälzt;
    wobei das besagte Verfahren zumindest einen ersten Schritt des Füllens (B) des besagten Flottenbehälters (6) mit Spülflotte aus dem besagten Laugenbehälter (3) im Anschluss an eine Spülphase (A) eines Betriebszyklus der besagten Maschine (1) umfasst;
    dadurch gekennzeichnet, dass das besagte Verfahren ebenfalls einen während eines ersten Abschnitts einer ersten Schleuderphase (C) durchgeführten zweiten Schritt des Füllens des besagten Flottenbehälters (6) mit Spülflotte aus dem besagten Laugenbehälter (3) umfasst, wobei der besagte erste Abschnitt der besagten Schleuderphase (C) zumindest eine Schleuderspitze umfasst, und dass der besagte zweite Schritt des Füllens des besagten Flottenbehälters (6) mit Spülflotte aus dem besagten Laugenbehälter (3) vor Durchführen eines zweiten Abschnitts der besagten Schleuderphase (E) unterbrochen wird, wobei der besagte zweite Abschnitt der besagten Schleuderphase (E) mindestens eine Schleuderstufe umfasst.
  2. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach Anspruch 1, dadurch gekennzeichnet, dass im Anschluss an den besagten zweiten Schritt des Füllens des besagten Flottenbehälters (6) mit Spülflotte aus dem besagten Laugenbehälter (3) und vor dem besagten zweiten Abschnitt der besagten Schleuderphase (E) ein Warteschritt (D) eingelegt wird.
  3. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach Anspruch 2, dadurch gekennzeichnet, dass während des besagten Warteschritts (D) ein zwischen dem besagten Laugenbehälter (3) und dem besagten Flottenbehälter (6) angebrachter Wasserströmungsdurchgang (20) von einer geöffneten Stellung in eine verschlossene Stellung übergeht.
  4. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach Anspruch 3, dadurch gekennzeichnet, dass der besagte während des besagten Warteschritts (D) verschlossene Wasserströmungsdurchgang (20) in einem Mehrwegeventil (14) angebracht ist.
  5. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach einem beliebigen der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die besagte Trommel (15) während des besagten Warteschritts (D) drehend angetrieben wird.
  6. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach einem beliebigen der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der besagte erste Schritt des Füllens (B) des besagten Flottenbehälters (6) mit Spülflotte aus dem besagten Laugenbehälter (3) bis zum Erreichen eines vorbestimmten ersten Wasserfüllstands (N1_Bas) in dem besagten Laugenbehälter (3) durchgeführt wird.
  7. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach einem beliebigen der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der besagte erste Schritt des Füllens (B) des besagten Flottenbehälters (6) mit Spülflotte aus dem besagten Laugenbehälter (3) bei gleichzeitigem drehenden Antrieb der besagten Trommel (15) durchgeführt wird.
  8. Verfahren zur Steuerung des Betriebs einer Waschmaschine (1) nach einem beliebigen der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass während des besagten zweiten Abschnitts der besagten Schleuderphase (E) ein zwischen dem besagten Laugenbehälter (3) und einem Abwassernetz (13) angebrachter Wasserströmungsdurchgang (21) geöffnet ist.
  9. Waschmaschine (1), umfassend:
    - ein Gehäuse (2);
    - einen von dem besagten Gehäuse (2) umschlossenen Laugenbehälter (3);
    - eine Trommel (15), welche im Inneren des besagten Laugenbehälters (3) drehend gelagert ist;
    - einen Wasch- und/oder Spülflottenbehälter (6);
    - einen Hydraulikschaltkreis zur Wasserverteilung;
    - wobei der besagte Hydraulikschaltkreis zur Wasserverteilung den besagten Laugenbehälter (3) der besagten Maschine (1) mit dem besagten Flottenbehälter (6) verbindet, wobei der besagte Hydraulikschaltkreis zur Wasserverteilung mindestens eine Wasserumwälzpumpe (11, 12) umfasst, welche die Wasch- und/oder Spülflotte von dem besagten Laugenbehälter (3) in den besagten Flottenbehälter (6) der besagten Maschine (1), und umgekehrt, umwälzt;
    - Mittel zum Steuern eines Betriebszyklus;
    dadurch gekennzeichnet, dass die besagten Steuerungsmittel das Verfahren zur Steuerung gemäß einem beliebigen der Ansprüche 1 bis 8 umsetzen.
EP13163207.7A 2012-04-12 2013-04-10 Steuerverfahren einer laufenden Waschmaschine und entsprechende Waschmaschine Active EP2650423B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13163207T PL2650423T3 (pl) 2012-04-12 2013-04-10 Sposób sterowania pracą pralki i powiązana z nim pralka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1201085A FR2989391B1 (fr) 2012-04-12 2012-04-12 Procede de commande en fonctionnement d'une machine a laver le linge et machine a laver le linge associee

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EP2650423B1 true EP2650423B1 (de) 2014-10-08

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EP (1) EP2650423B1 (de)
ES (1) ES2526335T3 (de)
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PL (1) PL2650423T3 (de)

Family Cites Families (3)

* 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
IT1267712B1 (it) * 1994-04-01 1997-02-07 Zanussi Elettrodomestici Lavabiancheria con serbatoio perfezionato di recupero dell'acqua
FR2951465B1 (fr) * 2009-10-16 2011-10-28 Fagorbrandt Sas Machine a laver comprenant un circuit hydraulique de distribution d'eau pourvu d'un dispositif de mise a l'air raccorde a un reseau d'eau usee externe

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PL2650423T3 (pl) 2015-03-31
EP2650423A1 (de) 2013-10-16
ES2526335T3 (es) 2015-01-09
FR2989391A1 (fr) 2013-10-18
FR2989391B1 (fr) 2014-12-19

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