EP3411520B1 - Appareil d'entretien du linge muni d'une commande de pompe - Google Patents

Appareil d'entretien du linge muni d'une commande de pompe Download PDF

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Publication number
EP3411520B1
EP3411520B1 EP16822696.7A EP16822696A EP3411520B1 EP 3411520 B1 EP3411520 B1 EP 3411520B1 EP 16822696 A EP16822696 A EP 16822696A EP 3411520 B1 EP3411520 B1 EP 3411520B1
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EP
European Patent Office
Prior art keywords
pump
pressure
washing liquid
line
pressure chamber
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
EP16822696.7A
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German (de)
English (en)
Other versions
EP3411520A1 (fr
Inventor
Christoph Bork
Torsten Böttger
Kevin Hahn
Raymond Römer
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
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL16822696T priority Critical patent/PL3411520T3/pl
Publication of EP3411520A1 publication Critical patent/EP3411520A1/fr
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Publication of EP3411520B1 publication Critical patent/EP3411520B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0072—Installation or systems with two or more pumps, wherein the flow path through the stages can be changed, e.g. series-parallel
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/001—Preventing vapour lock
    • 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
    • D06F2103/44—Current or voltage
    • D06F2103/48—Current or voltage of the motor driving the pump
    • 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 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 

Definitions

  • the present invention relates to a laundry care device with a pump control for a pumping system.
  • Conventional laundry care devices with a high loading capacity generally have a pumping system through which washing liquid can be pumped out of the tub and then fed back to the tub.
  • conventional laundry care devices In order to remove washing liquid from the laundry care device after the laundry care process, conventional laundry care devices also have a pumping system. Pumps are required for the pumping over system and the pumping out system in order to ensure an effective pumping of the washing liquid in the laundry care device or an effective pumping out of the washing liquid from the laundry care device.
  • a pump of a washing machine which is controlled as a function of a water level detected by a pressure switch.
  • the object on which the invention is based is to specify a laundry care device with a pump which enables washing liquid to be effectively pumped in the laundry care device.
  • the object according to the invention is provided by a laundry care device with a pump for pumping washing liquid, the pump having a suction chamber with a suction nozzle for fluid connection with a suction line, a first Pressure chamber with a first pressure port for fluid connection with a first pressure line, and a second pressure chamber with a second pressure connection for fluid connection with a second pressure line, the pump having a first pump motor for pumping the washing liquid from the first pressure chamber through the first pressure line with a having a first delivery flow and a second pump motor for pumping the washing liquid from the second pressure chamber through the second pressure line with a second delivery flow, and a pump control for controlling the first and second pump motors released, the pump control being designed to control one of the two pump motors in an activation time segment activate in order to pump washing liquid from the associated pressure chamber through the associated pressure line with the associated delivery flow, and the pump control is designed, in the activation time segment, the other of the two Pum Activate pen motors to pump washing liquid from the associated pressure chamber through
  • washing liquid is pumped through one of the two pressure lines, the active pressure line, with a delivery flow, and through the other of the two pressure lines, the inactive pressure line, up to a maximum washing liquid level in the inactive pressure line or only a delivery pressure is built up, without a permanent flow rate being established and thus only the water column in the inactive pressure line being raised in order to prevent air being sucked in, which would interrupt or reduce the flow rate in the active pressure line.
  • the inactive pressure line there is no delivery flow of washing liquid, but the washing liquid is only raised up to the maximum washing liquid level in the inactive pressure line.
  • the maximum washing liquid level that is established is sufficient to prevent air being sucked in backwards through the inactive pressure line, while the pumping or pumping process is carried out at the same time through the active pressure chamber and the active pressure line is carried out.
  • the pump according to the invention by activating both pump motors at the same time, it can be ensured that when pumping washing liquor through one of the two pressure lines, through the active pressure line, in particular the pump-off line or pump-around line, a constant flow of washing liquid can be built up in the pump-off line or pump-around line .
  • the two pump motors are driven by the pump control at different speeds, so that in the other of the two pressure lines, the inactive pressure line, the washing liquid is only pumped up to the maximum washing liquid level and thus no flow is created in the inactive pressure line.
  • the maximum washing liquid level in the inactive pressure line is sufficient to prevent air being sucked in through the inactive pressure line.
  • a laundry care device is understood to mean a device that is used for laundry care, such as a washing machine or a tumble dryer.
  • a laundry care device is understood to mean a household laundry care device. So a laundry care device, which is used in the context of housekeeping, and with which laundry is treated in household quantities.
  • the laundry care device has a tub for receiving washing liquid, the washing liquid in the tub having a container level, the maximum washing liquid level in the associated pressure line having a height which is at least as great as the height of the washing liquid container level is in the tub.
  • the height of the maximum washing liquid level in the inactive pressure line which is greater than the height of the container level of the washing liquid in the tub, ensures to a sufficient extent that no air passes through the washing liquid column in the pressure line is sucked in.
  • the laundry care device has a tub for receiving washing liquid and a pressure sensor for detecting the pressure exerted by the washing liquid on the tub, the tub being fluidically connected to the suction line, and the pump control being designed, a To control the speed of the pump motors as a function of the detected pressure in order to prevent air being sucked in through the associated pressure line.
  • the pump control is designed to reduce the speed of the pump motors when the detected pressure falls below a predetermined pressure threshold value.
  • the pump control is designed to activate the first pump motor in the activation time segment in order to pump washing liquid out of the first pressure chamber through the first pressure line with the first delivery flow, and the pump control is designed to close the second pump motor in the activation time segment Activate to pump washing liquid from the second pressure chamber up to a maximum washing liquid level in the second pressure line.
  • the first pressure chamber comprises a pump-out pressure chamber
  • the first pressure nozzle comprises a pump-out pressure nozzle
  • the first pressure line comprises a pump-out line
  • the first pump motor being designed to discharge washing liquid in the activation time segment from the pump-out pressure chamber through the pump-out line with a pump-out delivery flow to pump out the laundry care device.
  • the pump control is designed to activate the second pump motor in a further activation time segment in order to pump washing liquid out of the second pressure chamber through the second pressure line with the second delivery flow, and that the pump control is designed in the further activation time segment activate the first pump motor to pump washing liquid from the first pressure chamber up to a maximum washing liquid level in the first pressure line.
  • the second pressure chamber comprises a pumping pressure chamber
  • the second pressure port comprises a pumping pressure port
  • the second pressure line comprises a pumping line
  • the second pump motor being designed, washing liquid in the further activation period from the pumping pressure chamber through the pumping line with a pumping flow to pump in the laundry care device.
  • the laundry care device has a tub, the suction line and the pumping line are each fluidly connected to the tub, the second pump motor being designed to pump washing liquid out of the tub through the suction line, and the pumped washing liquid through the pumping line to pump again into the tub with a pumping flow.
  • the suction nozzle has a first nozzle diameter
  • the first pressure nozzle has a second nozzle diameter
  • the second pressure nozzle has a third nozzle diameter, the first nozzle diameter being greater than the second nozzle diameter and / or third nozzle diameter.
  • the suction line has a first line diameter
  • the first pressure line has a second line diameter
  • the second pressure line has a third line diameter, the first line diameter being greater than the second line diameter and / or the third line diameter.
  • the first and second pump motors each have a first and second impeller, the first pump motor being designed to drive the first impeller in one direction of rotation in order to pump washing liquid out of the first pressure chamber, and the second pump motor is designed to drive the second impeller in one direction of rotation in order to pump washing liquid from the second pressure chamber.
  • the first or second pump motor comprises an electric motor, in particular a brushless direct current motor (BLDC motor) or a permanently excited, brushless synchronous drive.
  • BLDC motor brushless direct current motor
  • synchronous drive BLDC motor
  • the laundry care device has a power detection element for detecting an electrical power value of the first or second pump motor
  • the pump control is designed to determine a delivery pressure and / or delivery flow of the washing liquid in the first or second pressure line as a function of the detected power value
  • the pump control is designed to change a speed of the first or second pump motor as a function of the specific delivery pressure and / or delivery flow.
  • the speed of the first or second pump motor can be adapted to the delivery pressure of the washing liquid in the first or second pressure line.
  • the delivery pressure of the washing liquid can depend, for example, on the positioning of the drain hose, in particular on the height of the outlet opening of the drain hose on the outside of the laundry care appliance.
  • the user of the laundry care device can, for example, position the outlet opening of the drain hose on the floor of the room where the laundry care device is installed, which means that a low delivery pressure is required to pump out the washing liquid.
  • the user of the laundry care device can alternatively position the outlet opening of the drain hose in an elevated position with respect to the laundry care device, as a result of which an increased delivery pressure occurs.
  • the delivery pressure of the washing liquid can be determined and the speed of the first or second pump motor can be changed accordingly.
  • the pump control can in particular have reference data (operating point data map) which were determined in advance during the device design phase at different delivery pressures of the laundry care device.
  • an optimal speed of the pump motors can be set as a function of the specific delivery pressure, which prevents air from being sucked in through the inactive pressure connection or pressure line at different delivery pressures.
  • the dependencies between the different operating points are summarized once in a characteristic map with the system design of the pumping system and then stored in the pump control.
  • the object is achieved by a method for pumping washing liquid in a laundry care device with a pump for pumping washing liquid, the pump having a suction chamber with a suction nozzle for fluid connection with a suction line, a first pressure chamber with a first pressure nozzle for fluid connection with a first pressure line, and a second pressure chamber with a second pressure port for fluid connection with a second pressure line, and wherein the pump has a first pump motor for pumping the washing liquid from the first pressure chamber through the first pressure line with a first delivery flow and a having a second pump motor for pumping washing liquid out of the second pressure chamber through the second pressure line with a second delivery flow, and a pump control for controlling the first and second pump motors, solved, the method comprising activating one of the two pump motors in an activation time segment by the pump control, to pump washing liquid from the associated pressure chamber through the associated pressure line with the associated delivery flow, and the activation of the other of the two pump motors in the activation time segment by the
  • FIG. 11 shows a schematic view of a general laundry care device 100, such as a washing machine.
  • the laundry care device 100 comprises a rinsing bowl 101 into which washing care substance, such as detergent, can be filled.
  • the laundry care device 100 comprises a door 103 for loading the laundry care device 100 with laundry.
  • Fig. 2 shows a schematic view of a laundry care device with a pump.
  • the laundry care device 100 comprises a tub 105 for receiving washing liquid, which comprises an inlet opening 107 and an outlet opening 109.
  • the inlet opening 107 is fluidically connected to a suction line 111, which in turn is fluidically connected by a suction nozzle 113 to a pump 115, in particular to a suction chamber 117 of the pump 115.
  • the pump 115 also has a first pressure chamber 119, in particular a pump-out pressure chamber, which is fluidically connected to a first pressure line 123, in particular a pump-out line, through a first pressure port 121, in particular a pump-out pressure port.
  • the pump 115 also has a second pressure chamber 125, in particular pumping pressure chamber, which is fluidically connected to a second pressure line 129, in particular pumping line, by a second pressure port 127, in particular pumping pressure port.
  • the pump 115 also has a first pump motor 131 for pumping washing liquid out of the first pressure chamber 119 into the first pressure line 123.
  • the Pump 115 also has a second pump motor 133 for pumping washing liquid out of the second pressure chamber 125 into the second pressure line 129.
  • the pump 115 also has a pump control 135 which is designed to control the first and second pump motors 131, 133.
  • the pump control 135 activates the first pump motor 131 in order to pump washing liquid out of the first pressure chamber 119 through the first pressure line 123, in particular the drain line, with a first delivery stream 137 from the laundry care device 100.
  • washing liquid can be pumped from the tub 105 through the drain opening 109 and through the suction line 111 into the suction chamber 117 of the pump 115, and the pumped washing liquid can be pumped from the suction chamber 117 through the first pressure chamber 119 and through the first pressure line 123 from the laundry care device 100 with the first delivery stream 137 are pumped out.
  • the pump control 135 also activates the second pump motor 133 in order to pump or raise washing liquid from the second pressure chamber 125 through the second pressure line 129, in particular by pumping, up to a maximum washing liquid level 139 in the second pressure line 129.
  • the pump control 135 controls the second pump motor 133 in particular in such a way that the maximum washing liquid level 139 is higher than the container level 141 of the washing liquid in the tub 105.
  • the maximum washing liquid level 139 in the second pressure line 129 prevents air from being sucked in from the tub 105 through the second pressure line 129 during the pumping of washing liquid through the first pressure line 123 with the first delivery flow 137.
  • FIG. 11 shows a schematic view of a laundry care device with a pump according to FIG Fig. 2 .
  • the laundry care device 100 comprises a pump 115 with a suction chamber 117 and with a suction nozzle 113 which is fluidically connected by a suction line 111 to a drain opening 109 of a tub 105 of the laundry care device 100.
  • the pump 115 also has a first pump motor 131 for pumping washing liquid out of a first pressure chamber 119 through a first pressure port 121 into a first pressure line 123.
  • the pump 115 also has a second pump motor 133 for pumping washing liquid out of a second pressure chamber 125 through a second pressure port 127 into a second pressure line 129.
  • the pump 115 also has a pump control 135 which is designed to control the first and second pump motors 131, 133.
  • the pump control 135 activates the second pump motor 133 in order to pump washing liquid from the second pressure chamber 125 through the second pressure line 129, in particular a circulation line, with a second delivery flow 143 in the laundry care device 100.
  • washing liquid is pumped from the tub 105 through the drain opening 109 and through the suction line 111 into the suction chamber 117 of the pump 115, and the pumped washing liquid is pumped from the suction chamber 117 through the second pressure chamber 125 and through the second pressure line 129 from the laundry care device 100 with the second delivery stream 143 is pumped out.
  • the pump control 135 also activates the first pump motor 131 in order to pump or raise washing liquid from the first pressure chamber 119 up to a maximum washing liquid level 139 in the first pressure line 123, in particular the drain line.
  • the pump control 135 controls the first pump motor 131 in such a way that the maximum washing liquid level 139 is higher than the container level 141 of the washing liquid in the tub 105, but there is still no permanent flow.
  • the maximum washing liquid level 139 in the first pressure line 123 prevents air from being sucked in from outside the laundry care device 100 through the first pressure line 123 during the pumping of washing liquid through the second pressure line 129 with the second delivery flow 143.
  • the suction pressure present in the respectively inactive pressure connection 121, 127 is balanced out in such a way that only a static water column with a maximum washing liquid level 139 is built up in the associated inactive pressure line 123, 129, with the maximum Adjusts the washing liquid level 139 to at least the same level as the tank level 141 in the tub 105.
  • the pump speed of the first or second pump motor 131, 133 is set by the pump control 135 so coordinated that the water column in the inactive pressure line 123, 129 is raised, but there is no flow 137, 143 of washing liquid in the inactive pressure line 123, 129, but the washing liquid is only conveyed up to a pump speed-related maximum washing liquid level 139.
  • a delivery pressure is therefore only built up when there is a low power requirement, but no permanent pump delivery flow is yet generated.
  • a pressure sensor for detecting the pressure exerted on the tub 105 by the washing liquid can be arranged in the tub 105.
  • the regulation of the speed of the pump motors 131, 133 by the pump control 135 can take place with the help of the pressure sensor depending on the detected pressure and the thus detected washing liquid level in the tub, so that the delivery flow 137, 143 of the washing liquid in the active pressure line 123, 129 at decreasing suction-side container level 141 in the tub 105 is lowered so that no air is sucked in from the inactive pressure line 123, 139.
  • the flow cross-sections of the suction nozzle 113 and the suction line 111 should be dimensioned sufficiently large so that there are low flow velocities and thus low pressure losses on the suction side and thus a lower suction pressure, which makes it difficult to suck in the air due to the design .
  • the regulation of the pump speed by the pump control 135 can additionally be implemented as a self-learning function in the software or can be specified by a pump characteristic map from the different operating points, which was worked out in the design phase.
  • the speed specification for subsequent washing processes can be adapted using the pump gradients achieved using various previously carried out washing cycles. It is recorded when the boundary conditions have changed and when the conditions change, air is sucked in.
  • programmed, preprogrammed changes can be made, for example to be able to react to effects caused by the service life, such as reducing the flow cross-sections over the service life through deposits, which generates higher pressure losses on the suction side and promotes the intake of air.
  • the measures according to the invention ensure that when pumping out or pumping in the active pressure line 123, 129, a delivery stream 137, 143 of washing liquid is always built up without air being sucked in via the inactive pressure line 123, 129 and the delivery stream 137, 143 through the two-phase proportions of washing liquid and air is reduced.
  • This enables short pump program steps that have a positive effect on the duration of certain wash care programs.
  • pumping two-phase mixtures i.e. mixtures of washing liquid and air
  • a demanding task arises for the pump speed control.
  • increasing or reducing the speed of the pump 115 when pumping two-phase mixtures means an increased component load, which must be avoided.
  • annoying operating noises arise from the delivery of a two-phase mixture when air is sucked in during delivery.
  • the short period of alternating air intake can severely impair subjective noise perception.
  • FIG. 4 shows a schematic representation of delivery flows of washing liquid occurring in a throttle curve test stand for recording characteristics.
  • FIG. 13 shows a time representation of delivery flows in liters per minute, which are plotted along the ordinate axis 145 as a function of the time, which is specified along the abscissa axis 147 in seconds.
  • the first curve 149 shows the course of the delivery flow 137 of washing liquid in the first pressure line 123, or pump-out line, when air is sucked in through the inactive pressure connection 127 and through the inactive second pressure line 129. If the pump 115 is operated, for example, when the tank level is low, so will at high Delivery flows that generate high flow velocities with small flow cross-sections, air is sucked in from the inactive second pressure line 129, the circulation line, so that the delivery flow 137 of the pump 115 briefly collapses and then occurs again. In the course of the curve of the first curve 149, the pulsating delivery flow 137 of the washing liquid becomes clear, the inertia of the washing liquid having a dampening effect.
  • the second curve 151 shows the course of the delivery flow 137 of washing liquid in the first pressure line 123, or pump-out line within the meaning of the present invention, when no air is sucked in through the inactive pressure connection 127 and through the inactive second pressure line 129. Due to the maximum washing liquid level 139 in the inactive pressure line 129, the pump 115 can also be operated when the tank fill level is low, without air being sucked in from the inactive second pressure line 129, the circulation line. As in Fig. 4 is shown, no air is sucked in from the inactive, second pressure line 129 even with an increased delivery flow 137 of washing liquid in the first pressure line 123 or pump-off line. Thus, the delivery flow 137 of washing liquid does not collapse in the second pressure line 129, but remains constant.
  • Fig. 5 shows a sequence of a method 200 for pumping washing liquid in a laundry care device 100, which according to FIG Fig. 2 and Fig. 3 is described.
  • the method comprises the activation 201 of one of the two pump motors 131, 133 in an activation time segment by the pump control 135 in order to pump washing liquid from the associated pressure chamber 119, 125 through the associated pressure line 123, 129 with the associated delivery flow 137, 143.
  • the method comprises activating 203 the other of the two pump motors 131, 133 in the activation time segment by the pump control 135 in order to pump washing liquid from the associated pressure chamber 119, 125 through the associated pressure line 123, 129 with the associated delivery flow 137, 143 in order to pump washing liquid from the associated pressure chamber 119, 125 through the associated pressure line 123, 129 up to a maximum washing liquid level 139 in the associated pressure line 123, 129 in order to prevent air being sucked in through the associated pressure line 123, 129.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (15)

  1. Appareil d'entretien du linge (100) comprenant une pompe (115) destinée à pomper du liquide de lavage, dans lequel la pompe (115) comprend une chambre d'aspiration (117) munie d'une tubulure d'aspiration (113) pour la liaison fluidique avec une conduite d'aspiration (111), une première chambre de pression (119) munie d'une première tubulure de pression (121) pour la liaison fluidique avec une première conduite de pression (123), et une deuxième chambre de pression (125) munie d'une deuxième tubulure de pression (127) pour la liaison fluidique avec une deuxième conduite de pression (129), et dans lequel la pompe (115) comprend un premier moteur de pompe (131) destiné à pomper le liquide de lavage hors de la première chambre de pression (119) à travers la première conduite de pression (123) avec un premier débit (137), et un deuxième moteur de pompe (133) destiné à pomper le liquide de lavage hors de la deuxième chambre de pression (125) à travers la deuxième conduite de pression (129) avec un deuxième débit (143), et un dispositif de commande de pompe (135) destiné à commander le premier et le deuxième moteurs de pompe (131, 133), caractérisé en ce que
    le dispositif de commande de pompe (135) est réalisé pour activer l'un des deux moteurs de pompe (131, 133) pendant une période d'activation afin de pomper du liquide de lavage hors de la chambre de pression correspondante (119, 125) à travers la conduite de pression correspondante (123, 129) avec le débit correspondant (137, 143), et en ce que
    le dispositif de commande de pompe (135) est réalisé pour activer l'autre des deux moteurs de pompe (131, 133) pendant la période d'activation afin de pomper le liquide de lavage hors de la chambre de pression correspondante (119, 125) à travers la conduite de pression correspondante (123, 129) jusqu'à un niveau de liquide de lavage maximal (139) dans la conduite de pression correspondante (123, 129) afin d'empêcher une aspiration d'air à travers la conduite de pression correspondante (123, 129), et dans lequel le dispositif de commande de pompe (135) est en outre réalisé pour commander la vitesse de rotation du premier et du deuxième moteurs de pompe (131, 133).
  2. Appareil d'entretien du linge (100) selon la revendication 1, caractérisé en ce que l'appareil d'entretien du linge (100) comprend une cuve de liquide de lavage (105) destinée à loger le liquide de lavage, dans lequel le liquide de lavage dans la cuve de liquide de lavage (105) présente un niveau de cuve (141), dans lequel le dispositif de commande de pompe (135) est réalisé pour commander les deux moteurs de pompe (131, 133) de manière à ce que le niveau de liquide de lavage maximal (139) dans la conduite de pression correspondante (123, 129) présente une hauteur qui soit au moins aussi élevée que la hauteur du niveau de cuve (141) du liquide de lavage dans la cuve de liquide de lavage (105).
  3. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend une cuve de liquide de lavage (105) destinée à loger le liquide de lavage, et un capteur de pression destiné à détecter la pression exercée par le liquide de lavage sur la cuve de liquide de lavage (105), en ce que la cuve de liquide de lavage (105) est fluidiquement reliée à la conduite d'aspiration (111), et en ce que le dispositif de commande de pompe (135) est réalisé pour commander une vitesse de rotation des moteurs de pompe (131, 133) en fonction de la pression détectée afin d'empêcher une aspiration d'air à travers la conduite de pression correspondante (123, 129).
  4. Appareil d'entretien du linge (100) selon la revendication 3, caractérisé en ce que le dispositif de commande de pompe (135) est réalisé pour réduire la vitesse de rotation des moteurs de pompe (131, 133) lorsque la pression détectée devient inférieure à une valeur seuil de pression prédéterminée.
  5. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de commande de pompe (135) est réalisé pour activer le premier moteur de pompe (131) pendant la période d'activation afin d'évacuer le liquide de lavage hors de la première chambre de pression (119) à travers la première conduite de pression (123) avec le premier débit (137), et en ce que le dispositif de commande de pompe (135) est réalisé pour activer le deuxième moteur de pompe (133) pendant la période d'activation afin de pomper le liquide de lavage dans la deuxième conduite de pression (129) à partir de la deuxième chambre de pression (125) jusqu'au niveau de liquide de lavage maximal (139).
  6. Appareil d'entretien du linge (100) selon la revendication 5, caractérisé en ce que la première chambre de pression (119) comprend une chambre de pression d'évacuation, et en ce que la première tubulure de pression (121) comprend une tubulure de pression d'évacuation, et en ce que la première conduite de pression (123) comprend une conduite d'évacuation, dans lequel le dispositif de commande de pompe (135) est réalisé pour commander le premier moteur de pompe (131) de manière à ce que le liquide de lavage puisse être évacué hors de l'appareil d'entretien du linge (100) à partir de la chambre de pression d'évacuation à travers la conduite d'évacuation avec un débit d'évacuation pendant la période d'activation.
  7. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de commande de pompe (135) est réalisé pour activer le deuxième moteur de pompe (133) pendant une période d'activation supplémentaire afin de pomper du liquide de lavage hors de la deuxième chambre de pression (125) à travers la deuxième conduite de pression (129) avec le deuxième débit (143), et en ce que le dispositif de commande de pompe (135) est réalisé pour activer le premier moteur de pompe (131) pendant la période d'activation supplémentaire afin de pomper du liquide de lavage à partir de la première chambre de pression (119) jusqu'à un niveau de liquide de lavage maximal (139) dans la première conduite de pression (123).
  8. Appareil d'entretien du linge (100) selon la revendication 7, caractérisé en ce que la deuxième chambre de pression (125) comprend une chambre de pression de recyclage, en ce que la deuxième tubulure de pression (127) comprend une tubulure de pression de recyclage, et en ce que la deuxième conduite de pression (129) comprend une conduite de recyclage, dans lequel le deuxième moteur de pompe (133) est réalisé pour recycler le liquide de lavage dans l'appareil d'entretien du linge (100) à partir de la chambre de pression de recyclage à travers la conduite de recyclage avec un débit de recyclage pendant la période d'activation supplémentaire.
  9. Appareil d'entretien du linge (100) selon la revendication 8, caractérisé en ce que l'appareil d'entretien du linge (100) comprend une cuve de liquide de lavage (105), en ce que la conduite d'aspiration (111) et la conduite de recyclage sont respectivement fluidiquement reliées à la cuve de liquide de lavage (105), et dans lequel le deuxième moteur de pompe (133) est réalisé pour évacuer le liquide de lavage hors de la cuve de liquide de lavage (105) à travers la conduite d'aspiration (111) et pour pomper le liquide évacué de nouveau dans la cuve de liquide de lavage (105) à travers la conduite de recyclage avec un débit de recyclage.
  10. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que la tubulure d'aspiration (113) présente un premier diamètre de tubulure, en ce que la première tubulure de pression (121) présente un deuxième diamètre de tubulure, et en ce que la deuxième tubulure de pression (127) présente un troisième diamètre de tubulure, le premier diamètre de tubulure étant supérieur au deuxième diamètre de tubulure ou au troisième diamètre de tubulure.
  11. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que la conduite d'aspiration (111) présente un premier diamètre de conduite, en ce que la première conduite de pression (123) présente un deuxième diamètre de conduite, et en ce que la deuxième conduite de pression (129) présente un troisième diamètre de conduite, le premier diamètre de conduite étant supérieur au deuxième diamètre de conduite ou au troisième diamètre de conduite.
  12. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier et le deuxième moteurs de pompe (131, 133) comprennent respectivement une première et une deuxième roues mobiles, dans lequel le premier moteur de pompe (131) est réalisé pour entraîner la première roue mobile dans un sens de rotation afin de pomper le liquide de lavage hors de la première chambre de pression (119), et dans lequel le deuxième moteur de pompe (133) est réalisé pour entraîner la deuxième roue mobile dans un sens de rotation afin de pomper le liquide de lavage hors de la deuxième chambre de pression (125).
  13. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier ou le deuxième moteur de pompe (131, 133) comprend un moteur électrique, notamment un moteur à courant continu sans balais réalisé comme moteur BLDC, ou un entraînement synchrone sans balais à aimants permanents.
  14. Appareil d'entretien du linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un élément de détection de puissance destiné à détecter une valeur de puissance électrique du premier ou du deuxième moteur de pompe (131, 133), en ce que le dispositif de commande de pompe (135) est réalisé pour déterminer une pression et/ou un débit du liquide de lavage dans la première ou dans la deuxième conduite de pression (123, 129) en fonction de la valeur de puissance détectée, et en ce que le dispositif de commande de pompe (135) est réalisé pour modifier une vitesse de rotation du premier ou du deuxième moteur de pompe (131, 133) en fonction de la pression déterminée et/ou du débit déterminé.
  15. Procédé (200) de pompage de liquide de lavage dans un appareil d'entretien du linge (100) à l'aide d'une pompe (115) destinée à pomper le liquide de lavage, dans lequel la pompe (115) comprend une chambre d'aspiration (117) munie d'une tubulure d'aspiration (113) pour la liaison fluidique avec une conduite d'aspiration (111), une première chambre de pression (119) munie d'une première tubulure de pression (121) pour la liaison fluidique avec une première conduite de pression (123), et une deuxième chambre de pression (125) munie d'une deuxième tubulure de pression (127) pour la liaison fluidique avec une deuxième conduite de pression (129), et dans lequel la pompe (115) comprend un premier moteur de pompe (131) destiné à pomper le liquide de lavage hors de la première chambre de pression (119) à travers la première conduite de pression (123) avec un premier débit (137), et un deuxième moteur de pompe (133) destiné à évacuer le liquide de lavage hors de la deuxième chambre de pression (125) à travers la deuxième conduite de pression (129) avec un deuxième débit (143), et un dispositif de commande de pompe (135) destiné à commander le premier et le deuxième moteurs de pompe (131, 133), caractérisé en ce que le procédé comprend
    l'activation (201) de l'un des deux moteurs de pompe (131, 133) au moyen du dispositif de commande de pompe (135) pendant une période d'activation afin de pomper le liquide de lavage hors de la chambre de pression correspondante (119, 125) à travers la conduite de pression correspondante (123, 129) avec le débit correspondant (137, 143), et
    l'activation (203) de l'autre des deux moteurs de pompe (131, 133) au moyen du dispositif de commande de pompe (135) pendant la période d'activation afin de pomper le liquide de lavage hors de la chambre de pression correspondante (119, 125) à travers la conduite de pression correspondante (123, 129) jusqu'à un niveau de liquide de lavage maximal (139) dans la conduite de pression correspondante (123, 129) afin d'empêcher une aspiration d'air à travers la conduite de pression correspondante (123, 129), et dans lequel le dispositif de commande de pompe (135) est en outre réalisé pour commander la vitesse de rotation du premier et du deuxième moteurs de pompe (131, 133).
EP16822696.7A 2016-02-01 2016-12-29 Appareil d'entretien du linge muni d'une commande de pompe Active EP3411520B1 (fr)

Priority Applications (1)

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PL16822696T PL3411520T3 (pl) 2016-02-01 2016-12-29 Urządzenie do przetwarzania prania z układem sterowania pompy

Applications Claiming Priority (2)

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DE102016201446.3A DE102016201446B3 (de) 2016-02-01 2016-02-01 Wäschepflegegerät mit einer Pumpenansteuerung
PCT/EP2016/082802 WO2017133825A1 (fr) 2016-02-01 2016-12-29 Appareil d'entretien du linge muni d'une commande de pompe

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CN (1) CN108603323B (fr)
DE (1) DE102016201446B3 (fr)
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WO (1) WO2017133825A1 (fr)

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KR102554903B1 (ko) * 2018-04-03 2023-07-11 엘지전자 주식회사 세탁물 처리장치
DE102019207351A1 (de) * 2019-05-20 2020-11-26 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102019209149A1 (de) * 2019-06-25 2020-12-31 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Pumpvorrichtung und ein Verfahren zum Betreiben des Wäschepflegegeräts

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DE3825502A1 (de) * 1988-07-27 1990-02-01 Licentia Gmbh Verfahren und vorrichtung zur steuerung des laugen-abpumpvorgangs bei waschmaschinen
DE19907074A1 (de) * 1999-02-19 2000-08-24 Bsh Bosch Siemens Hausgeraete Wasserführendes Haushaltgerät, insbesondere Haushalt-Geschirrspülmaschine
CN1536156A (zh) * 2003-04-11 2004-10-13 乐金电子(天津)电器有限公司 滚筒洗衣机
JP2008000196A (ja) * 2006-06-20 2008-01-10 Toshiba Corp 洗濯機
EP2009165A1 (fr) * 2007-06-28 2008-12-31 Bonferraro S.p.A. Cycle de fonctionnement de pompe de drainage d'un appareil de lavage domestique
EP2138625B1 (fr) * 2008-06-24 2010-09-22 Candy S.p.A. Appareil pour flux circulants de liquides de lavage et de rinçage dans une machine à laver le linge
DE102009002224B4 (de) * 2009-04-06 2012-09-06 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine
US8793828B2 (en) * 2010-04-13 2014-08-05 Whirlpool Corporation Laundry treating appliance with automatic pump shutoff
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DE102016201446B3 (de) 2017-02-09
CN108603323A (zh) 2018-09-28
CN108603323B (zh) 2020-08-04
PL3411520T3 (pl) 2021-10-11
EP3411520A1 (fr) 2018-12-12
WO2017133825A1 (fr) 2017-08-10

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