EP3481987A1 - Appareil d'entretien du linge équipé d'une commande - Google Patents

Appareil d'entretien du linge équipé d'une commande

Info

Publication number
EP3481987A1
EP3481987A1 EP17731886.2A EP17731886A EP3481987A1 EP 3481987 A1 EP3481987 A1 EP 3481987A1 EP 17731886 A EP17731886 A EP 17731886A EP 3481987 A1 EP3481987 A1 EP 3481987A1
Authority
EP
European Patent Office
Prior art keywords
laundry
washing liquid
drum
pump
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17731886.2A
Other languages
German (de)
English (en)
Other versions
EP3481987B1 (fr
Inventor
Rodrigo FERRAZ MAINA
Kerstin HILT
Adam RÄNDCHEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL17731886T priority Critical patent/PL3481987T3/pl
Publication of EP3481987A1 publication Critical patent/EP3481987A1/fr
Application granted granted Critical
Publication of EP3481987B1 publication Critical patent/EP3481987B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18—Washing liquid level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices

Definitions

  • the present invention relates to a laundry care device with a controller.
  • pumping systems are used to pump washing liquid from the tub by means of a pumping device into a conduit, and to recycle the washing liquid pumped into the conduit by means of the pumping device of the laundry, which is in a washing drum accommodated in the tub Wash again with washing liquid.
  • the pumped wash liquid may wet the laundry to a different extent and thus different amounts of wash liquid may be present in the tub during the pump-over process.
  • the pumping should be advantageously controlled depending on the laundry load of the laundry in the laundry drum to a complete emptying of the tub and the other to one low Umpump adjective and thus to avoid insufficient wetting of the laundry in the laundry drum.
  • the object according to the invention is achieved by a laundry care device, with a tub for holding washing liquid, wherein a laundry drum for receiving laundry is arranged in the tub, wherein the tub comprises a drain opening, wherein the laundry care device a Inlet nozzle for introducing washing liquid into the washing drum, wherein the drain opening is fluidly connected to the inlet nozzle through a conduit, wherein in the conduit a Umpumpvoriques for pumping washing liquid is arranged, wherein the circulating pump is adapted to pump washing liquid through the discharge opening from the tub and to pump the pumped washing liquid back through the line and through the inlet nozzle into the laundry drum located in the tub to re-wet the laundry in the laundry drum with wash liquid, and a controller for controlling the pump-over device, the controller being formed Start a Umpumpzeitabitess to activate a pumping operation of the pumping device to pump washing liquid through the discharge opening from the tub, and the pumped washing liquid through the line and through the inlet nozzle of the laundry in the washing drum
  • the washing liquid Since the washing liquid is sprayed from above onto the laundry in the laundry drum during the pumping operation by the inlet nozzle, the washing liquid is passed through the laundry due to gravity during the pumping operation and flows back into the tub at a lower portion of the laundry drum. A part of the washing liquid conducted through the laundry is bound by the laundry and thus retained by the laundry.
  • the control ensures that the conveying operation of the transfer pump device is deactivated and thus the pumping period is ended when the volume flow of the washing liquid pumped by the pumping device has a volumetric flow threshold value below.
  • the size of the proportion of the washing liquid retained by the laundry depends on the laundry load in the laundry drum. If there is only a very small amount of laundry in the laundry drum, only a small part of the washing liquid is bound by the laundry and the majority of the washing liquid is passed through the laundry and is therefore available to the pumping device in a timely manner. With small to medium loadings of laundry, the jet of the inlet nozzle is passed directly to the laundry and can advantageously wet the laundry, so that the washing liquid takes a longer time to be passed through the laundry. Consequently, with smaller to medium laundry loads, a smaller amount of washing liquid is available to be pumped by the pumping device and the duration of the pumping period is reduced.
  • the laundry load according to the invention comprises the laundry weight assuming a certain absorption behavior of the laundry.
  • This effective determination of the laundry load in the laundry drum can be performed particularly time-saving and with higher accuracy than in conventional determination method.
  • this effective determination of the laundry load in the laundry drum can be carried out in the tub compared to conventional determination method with much lower levels of washing liquid.
  • a laundry care appliance is understood to mean a device which is used for laundry care, such as e.g. a washing machine or a tumble dryer.
  • a laundry care appliance is understood as a household laundry care appliance. So a laundry care device, which is used in the context of household management, and is treated with the laundry in normal household quantities.
  • the laundry care apparatus has a washing liquid supply for supplying washing liquid to the laundry in the laundry drum, and the controller is adapted to activate the washing liquid supply in a supply period to supply a first amount of washing liquid to the laundry in the laundry drum and to wet the laundry, wherein the pumping period adjoins the Zu211zeitabites.
  • the technical advantage is achieved that supplying the first amount of washing liquid through the washing liquid supply enables the laundry to be sufficiently wetted during the feeding period.
  • the first amount of washing liquid is carried out in particular independently of the laundry load in the washing drum.
  • the pumping device may be activated or deactivated during the feeding period.
  • the laundry care device has a pressure detecting device for detecting a pressure value of washing liquid in the tub, wherein the pressure detecting means is adapted to detect a pressure value during the pumping period, and wherein the controller is formed, the laundry load in the laundry drum in Depending on the detected duration of the pumped over period and the detected pressure value to determine.
  • the technical advantage is achieved that the pressure value detected by the pressure detection device allows a more accurate determination of the laundry load in the laundry drum by the controller. Since the laundry binds a portion of the pumped over during the pumping cycle washing liquid, the amount of the present in the pumping system, free, unbound washing liquid at the end of the pumping period is usually less than at the beginning of the pumped over period. Thus, the detected pressure value can improve the accuracy of the determination of the laundry load.
  • the pressure detection device detects the pressure difference between the pressure values at the beginning and after the end of the pump-over time section, thereby enabling a more accurate determination of the laundry load by the controller.
  • the pressure detection device can also detect in particular a pressure difference during a standstill phase of the washing drum.
  • the controller is designed to determine the laundry load in the laundry drum as a function of the duration of the pump-over time section when the detected pressure value falls below a predetermined pressure threshold value.
  • the laundry care appliance has a power detection element for detecting an electrical power value of the circulation pump, wherein the controller is designed to deactivate the conveying operation of the transfer pump and terminate the second pumping over period if the detected electrical power value falls below a reference power value the reference power value corresponds to an electric power value of the circulating pump when circulating the washing liquid with the volumetric flow threshold value.
  • the technical advantage is achieved that by the detection of electrical conduction values by the power detection element, an effective indirect determination of volume flows of the pumped by the pumping device in the pumping circulation washing liquid is made possible. Since the reference power value corresponds to the electric power value of the circulating pump when circulating the washing liquid with the volumetric flow threshold, a drop below the reference power value by the detected power value indicates that the volumetric flow falls below the volumetric flow threshold and a mixture of scrubbing liquid and air is conveyed by the recirculation pump, and Pumping period is ended. Thus, by detecting electrical power values of the recirculation pump, a particularly effective determination of the laundry load in the laundry drum can be ensured.
  • the power detection element comprises a current sensor for detecting a supply current of the circulating pump device.
  • the technical advantage is achieved that an effective detection of the laundry load in the laundry drum can be ensured by detecting the supply current of the circulating pump by the current sensor.
  • the laundry care appliance has a drum drive for rotating the laundry drum, wherein the controller is designed to activate the drum drive during the pump-over period in order to rotate the laundry drum, wherein the drum drive is designed in particular, the laundry drum during the pump-over time section to rotate in different directions of rotation.
  • the laundry care appliance has a flow sensor for detecting a flow rate of washing liquid in the line, wherein the controller is designed to determine the laundry load in the laundry drum in dependence on the duration of the pumped over period and on the detected flow rate.
  • the laundry care appliance has a weight detection device for detecting a weight of laundry in the laundry drum, wherein the controller is designed to determine the laundry load in the laundry drum in dependence on the duration of the pumped over period and on the detected weight of the laundry ,
  • the weight detection device for detecting a weight of laundry in the laundry drum of the controller allows a more accurate determination of the laundry load in the laundry drum.
  • the controller can take into account further parameters.
  • the weight detection device by weighing the laundry in the laundry drum allow a particularly accurate determination of the laundry load.
  • the weight detection device comprises a weighing device for weighing the weight of the laundry accommodated in the laundry drum, a device for detecting a lowering of a vibration system of the laundry drum and / or a device for detecting performance parameters of a drum drive of the laundry drum.
  • the technical advantage is achieved that an effective detection of the laundry weight can be performed by said weight detection means.
  • the laundry weight can be detected after the addition of the laundry in the laundry drum.
  • the laundry weight in the laundry drum can be determined before the supply of wash liquor into the tub.
  • the weight of the laundry in the laundry drum can be detected by a sagging of the vibration system under laundry load.
  • the laundry drum comprises a vibrating system which is suspended on springs. With known spring constant and elongation of the springs can be closed on the force that is affected by the weight of the laundry in the laundry drum on the vibrating system. After consideration of the damping of the vibration system due to static friction and after taking into account the empty weight of the vibration system can be concluded on the basis of the sagging of the vibrating system of the laundry drum on the laundry weight of laundry located in the laundry drum.
  • the electric power through a Power detection element can be determined.
  • the electrical energy needed to drive the drum drive at a certain rotational frequency depends on the weight of the laundry in the laundry drum.
  • the laundry care appliance has a textile detection device for detecting a laundry type of laundry in the laundry drum, and the controller is designed to determine the laundry load in the laundry drum as a function of the duration of the pumped over period and the detected laundry type of the laundry ,
  • the technical advantage is achieved that can be improved by the detection of the laundry type of laundry in the laundry drum by the textile detection device, the determination of the laundry load in the laundry drum by the controller. Since different types of clothes made of different textiles have different washing liquid absorbing properties, by accurately detecting the texture of the laundry, the accuracy of determining the laundry load by the controller can be improved.
  • the object is achieved by a method for determining a laundry load in a laundry care device, wherein the laundry care device has a tub for receiving washing liquid, wherein in the tub a laundry drum for receiving laundry is arranged, wherein the tub a drain opening wherein the laundry care device comprises an inlet nozzle, wherein the discharge opening is fluidly connected to the inlet nozzle by a line, wherein in the conduit a Umpumpvoriques is arranged for pumping washing liquid, wherein the circulating pump is adapted to pump washing liquid through the discharge opening from the tub and to pump the pumped washing liquid back through the line and through the inlet nozzle into the washing drum arranged in the washing tub in order to rewet the laundry in the washing drum with washing liquid, wherein the laundry care device a control for Controlling the recirculation apparatus, the method comprising the steps of activating a conveyance operation of the recirculation apparatus at the beginning of a recirculation period by the controller to pump washing liquid through the discharge opening from the
  • the technical advantage is achieved that a particularly effective determination of the laundry load in the laundry drum is ensured by detecting the duration of the pumping period.
  • the laundry care apparatus has a washing liquid supply for supplying washing liquid to the laundry in the laundry drum, and the method comprises the following step of activating the washing liquid supply at the beginning of a supply period by the controller to obtain a first amount of washing liquid of the laundry in the laundry To supply the laundry drum and to wet the laundry, wherein the pumping period adjoins the feed period and wherein the controller deactivates the pumping device during the Zu216zeitabitess.
  • the laundry care apparatus has a pressure detecting device for detecting a pressure value of washing liquid in the tub, and the method comprises the following steps, detecting a pressure value during the pumped over period by the pressure detecting device, and determining the laundry load in the laundry drum in response to the duration of the pump-over period and the sensed pressure value by the controller.
  • the technical advantage is achieved that by detecting the pressure value by the pressure detecting means, the accuracy of the determination of the laundry load in the laundry drum can be improved.
  • the method comprises the following step, determining the laundry load of the laundry in the laundry drum as a function of the duration of the pump-over period if the detected pressure value falls below a predetermined pressure threshold value.
  • FIG. 1 shows a schematic view of a laundry care appliance
  • FIG. 2 shows a schematic view of a laundry care appliance with a liquor container fluidly connected to a circulating pump
  • FIG. and FIG. 3 shows a sequence of a method for circulating washing liquid in a laundry care appliance.
  • Fig. 1 shows a schematic view of a general laundry care device 100, such as a washing machine.
  • the laundry care appliance 100 comprises an induction bowl 101, into which wash-care substance, such as, for example, detergent, can be filled.
  • the laundry care appliance 100 comprises a door 103 for loading the laundry care appliance 100 with laundry.
  • FIG. 2 shows a schematic view of a laundry care appliance with a liquor container fluidly connected to a circulating pump.
  • the laundry care device 100 comprises a suds container 105 for holding washing liquid and a laundry drum 107 arranged in the suds container 105 for receiving laundry 109.
  • the tub 105 has a drain opening 1 1 1, which is arranged on an underside of the tub 105.
  • the discharge opening 1 1 1 is connected to a line 1 13, which in turn is connected to an inlet nozzle 15, which is arranged above the laundry drum 107.
  • a pumping device 1 17 for pumping washing liquid through the line 1 13 is arranged in line 1 13, a pumping device 1 17 for pumping washing liquid through the line 1 13 is arranged in line 1 13, a pumping device 1 17 for pumping washing liquid through the line 1 13 is arranged.
  • the Umpumpvoriques 1 17 is designed to pump washing liquid from the discharge port 1 1 1 from the tub 105 and the pumped washing liquid through line 1 13 and through the inlet nozzle 1 15 again the laundry 109 in the laundry drum 107 in the tub 105 supply.
  • the laundry care apparatus 100 further includes a power detection element 1 19 for detecting an electric power value of the circulation pump 1 17.
  • the power detection element 1 19 comprises, in particular, a current sensor for detecting a supply current of the transfer pump 1 17.
  • the laundry care apparatus 100 further comprises a pressure detecting device 121, which is disposed in a lower portion within the tub 105, and which is configured to detect a pressure value of washing liquid in the tub 105.
  • the laundry care apparatus 100 further comprises a controller 123, which is connected to the pressure detection device 121 by a detection connection 125, which is connected to the transfer device 1 17 by a control connection 127, and which is connected to the power detection element 1 19 by a further control connection 129.
  • the power detection element 1 19 is connected by a further detection connection 131 with the pumping device 1 17.
  • the laundry care apparatus 100 further includes a washing liquid supply 133, which is connected by a supply line 135 to the tub 105, to supply the laundry 109 in the laundry drum 107 washing liquid.
  • the washing liquid supply 133 is connected to the controller 123 through a supply connection 137.
  • the controller 123 is configured to determine the laundry load in the laundry drum 107 as a function of the duration of the pump-over period.
  • the washing liquid supply 133 is activated to supply a first amount of washing liquid of the laundry 109 and to wet the laundry 109.
  • the first amount is load independent directly into the laundry drum 107, z. B. added over the cuff.
  • Lightly moistened laundry 109 wets better than dry laundry.
  • Umpumpzeitabitess Umpumpvorides 1 17 is activated to pump washing liquid through the discharge port 1 1 1 from the tub 105, and the pumped washing liquid through the line 1 13 and through the inlet nozzle 1 15 again To supply laundry 109 in the laundry drum 107.
  • the laundry drum 107 can stand still.
  • the pumped-over washing liquid is absorbed to different degrees by laundry loads of the laundry 109.
  • the pumping device 1 17 remains activated only until no washing liquid is available for the pumping operation, in order to prevent the pumping device 1 17 pumping empty and sucking in air.
  • a method is used to prevent a transport of an air-water mixture of the transfer pump 1 17.
  • the controller 123 is configured to deactivate the conveying operation of the transfer pump 1 17 and to end the pumping period, when the flow rate of the pumped by the transfer pump 1 17 Washing liquid falls below a volume flow threshold. This can be made possible, in particular, by the power detection element 1 19, which detects an electrical power value of the transfer pump device 1 17 and compares the detected electrical power value of the transfer pump device 1 17 with an electrical reference power value.
  • the controller 123 can effectively detect the end of the pump down period and effectively determine the duration of the pump down period. Depending on the detected duration of the pump-over period, the laundry charge in the laundry drum 107 can be advantageously determined by the controller 123.
  • the transfer pump device 17 can be activated during a long pump-down period, because the water flows through the laundry drum 107 without any delay and the pump-over device 17 is immediately available.
  • the laundry 109 acts as a wall for the introduced through the injector 1 15 washing liquid jet.
  • the washing liquid jet then bounces off the laundry 109 and largely flows directly back into the lower region of the tub 105 and can be pumped from there by the pumping device 1 17 advantageous. In this case, a long duration of the pump-over time section is made possible.
  • wash liquid jet falls directly on the laundry 109 and can better wet them.
  • a higher layer thickness of the laundry 109 at an intermediate loading amount causes the washing liquid takes longer to flow through the laundry 109 in the laundry drum 107 in the lower portion of the tub 105.
  • the washing liquid is advantageously bound by the laundry 109. Since the pumping device 1 17 so that a smaller amount of washing liquid is available, only a very small duration of the pumping period is possible.
  • the laundry 109 With a smaller layer thickness of the laundry 109 in the laundry drum 107, the laundry 109 absorbs the water better than the laundry wall described in a full filled laundry drum 107, but worse by the small layer thickness than in a medium load, so that again a longer duration of the pumping period is possible.
  • the pressure detection device 121 may detect a first pressure value at the beginning of the recirculation time section. After deactivating the circulating pump 1 17 by the controller 123, the pressure detecting device 121 can detect a second pressure value after the end of the pumping-over period. The controller 123 may refine the determination of the laundry load as a function of the pressure difference between the first and second pressure values as a function of the detected duration of the pump-over time period.
  • This step is only possible with a sufficiently high level of washing liquid.
  • the wash 109 has absorbed most of the water and will have the lowest pressures.
  • a larger load of the laundry 109 leads to greater pressure values, since the water passes to a large extent on the laundry 109 due to the existing in the laundry drum 107 laundry wall.
  • the detection of the pressure difference between the first pressure value and the second pressure value enables an additional safety or control mode in determining the laundry load in the laundry drum 107 as a function of the detected duration of the pumped over period.
  • the same load type of laundry 109 in particular the same type of textile, is used in the determination of the laundry load by the controller 123, a high accuracy and reproducibility of the load measurement can be made possible with the described method.
  • using a textile detection means to determine the type of fabric can refine the method.
  • FIG. 3 shows a sequence of a method for pumping back washing liquid in a laundry care appliance, which is described in accordance with FIG. 2.
  • the method 200 includes, as a first optional process step, activating 201 the washing liquid supply 133 at the beginning of a feed period by the controller 123 to supply a first amount of washing liquid to the laundry 109 in the laundry drum 107 and to wet the laundry 109, the feeding period being before a washing period Umpumpzeitabterrorism extends, and wherein the controller 123, the transfer device 1 17 during the Zunaturalzeitabitess disabled.
  • the method 200 comprises, as a second optional method step, the detection 203 of a first pressure value at the beginning of a pumping time section which adjoins the feed time section by a pressure detection device 121.
  • the method 200 comprises as a third method step activating 205 a conveying operation of the transfer pump 1 17 at the beginning of the pumping period by the controller 123 to pump washing liquid through a discharge port 1 1 1 from a tub 105, and the pumped washing liquid through a line 1 13 and through to supply an inlet nozzle 1 15 back to the laundry 109 in the laundry drum 107.
  • the method 200 comprises, as a fourth method step, the deactivation 207 of the conveying operation of the transfer pump 1 17 by the controller 123 when the volume flow of the washing liquid pumped by the transfer pump 1 17 falls below a volumetric flow threshold value.
  • the method 200 includes, as an optional fifth method step, the detection 209 of a second pressure value after the end of the pump-over time period by the pressure detection device 121.
  • the method 200 includes, as a sixth method step, the detection 21 1 of the duration of the pump-over time period by the controller 123.
  • the method 200 comprises, as a seventh method step, the determination 213 of the laundry load in the laundry drum 107 as a function of the detected duration of the pump-over time section by the controller 123.
  • the seventh method step comprises determining 213 the laundry load in the laundry drum 107 as a function of the detected duration of the pump-over time segment and from the detected pressure difference between the detected second pressure value and the detected first pressure value by the controller 123.
  • First optional process step activating the washing liquid feed 203
  • Second optional process step detecting a first pressure value

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne un appareil d'entretien du linge (100) comprenant une cuve (105), un tambour (107), un orifice de sortie (111), un ajutage d'entrée (115), et une conduite (113) qui met l'orifice de sortie (111) en liaison fluidique avec l'ajutage d'entrée (115) et avec une pompe de recirculation (117) destinée à pomper le liquide de lavage. Une commande (123) est conçue pour activer un fonctionnement en mode refoulement de la pompe de recirculation (117) au début d'une phase de recirculation afin de pomper le liquide de lavage de la cuve (105) à travers l'orifice de sortie (111) et de renvoyer le liquide de lavage pompé au tambour par l'intermédiaire de la conduite (113) et de l'ajutage d'entrée (115) ; pour désactiver le fonctionnement en mode refoulement de la pompe de recirculation (117) afin de terminer la phase de recirculation et d'acquérir la durée de la phase de recirculation lorsque le débit volumique du liquide de lavage pompé par la pompe de recirculation passe au-dessous d'une valeur seuil de débit volumique ; et pour déterminer la charge de linge dans la cuve en fonction de la durée de la phase de recirculation qui a été acquise.
EP17731886.2A 2016-07-08 2017-06-21 Appareil de traitement de ligne avec un contrôle et procédé de commande correspondant Active EP3481987B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17731886T PL3481987T3 (pl) 2016-07-08 2017-06-21 Urządzenie do przetwarzania prania ze sterownikiem i sposób jego sterowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016212490.0A DE102016212490A1 (de) 2016-07-08 2016-07-08 Wäschepflegegerät mit einer Steuerung
PCT/EP2017/065248 WO2018007149A1 (fr) 2016-07-08 2017-06-21 Appareil d'entretien du linge équipé d'une commande

Publications (2)

Publication Number Publication Date
EP3481987A1 true EP3481987A1 (fr) 2019-05-15
EP3481987B1 EP3481987B1 (fr) 2020-08-05

Family

ID=59093565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17731886.2A Active EP3481987B1 (fr) 2016-07-08 2017-06-21 Appareil de traitement de ligne avec un contrôle et procédé de commande correspondant

Country Status (5)

Country Link
EP (1) EP3481987B1 (fr)
CN (1) CN109477274B (fr)
DE (1) DE102016212490A1 (fr)
PL (1) PL3481987T3 (fr)
WO (1) WO2018007149A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019207239A1 (de) * 2019-05-17 2020-11-19 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102019207240A1 (de) 2019-05-17 2020-11-19 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
DE102019216697A1 (de) * 2019-10-30 2021-05-06 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102021202229A1 (de) * 2021-03-09 2022-09-15 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
CN113718470A (zh) * 2021-09-16 2021-11-30 珠海格力电器股份有限公司 进水判断方法及洗衣机
BE1031021B1 (de) * 2022-11-09 2024-06-10 Miele & Cie Verfahren zum Betrieb eines Waschautomaten sowie Waschautomat
BE1031029B1 (de) * 2022-11-09 2024-06-10 Miele & Cie Verfahren zum Betrieb eines Waschautomaten sowie Waschautomat
DE102023201349B3 (de) 2023-02-16 2024-03-21 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb einer Waschmaschine und Waschmaschine

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DE60208334T2 (de) * 2002-04-02 2006-07-06 Whirlpool Corp., Benton Harbor Verfahren zur Steuerung des Programms einer Waschmaschine und mit diesem Verfahren betriebene Waschmaschine
EP1681385B1 (fr) * 2004-11-23 2007-01-24 Electrolux Home Products Corporation N.V. Machine à laver domestique avec circulation d'eau et avec détermination automatique du poids du linge, et procédé correspondant.
US20070118997A1 (en) * 2005-08-23 2007-05-31 Choi Du H Washing machine
CN103930609B (zh) * 2011-11-14 2016-01-06 松下电器产业株式会社 滚筒式洗衣机
KR102216407B1 (ko) * 2014-06-10 2021-02-16 엘지전자 주식회사 세탁기의 제어방법
DE102014220021B3 (de) * 2014-10-02 2016-02-04 BSH Hausgeräte GmbH Wäschepflegegerät mit einem Steuerelement

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WO2018007149A1 (fr) 2018-01-11
PL3481987T3 (pl) 2021-02-08
DE102016212490A1 (de) 2018-01-11
CN109477274A (zh) 2019-03-15
CN109477274B (zh) 2021-03-26

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