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EP3320138B1 - Appareil et procédé d'entretien du linge - Google Patents

Appareil et procédé d'entretien du linge Download PDF

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Publication number
EP3320138B1
EP3320138B1 EP16720824.8A EP16720824A EP3320138B1 EP 3320138 B1 EP3320138 B1 EP 3320138B1 EP 16720824 A EP16720824 A EP 16720824A EP 3320138 B1 EP3320138 B1 EP 3320138B1
Authority
EP
European Patent Office
Prior art keywords
laundry
rotational speed
laundry drum
control device
threshold value
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
EP16720824.8A
Other languages
German (de)
English (en)
Other versions
EP3320138A1 (fr
Inventor
Rodrigo FERRAZ MAINA
Cornelia Witt
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
Priority claimed from DE102015212741.9A external-priority patent/DE102015212741B4/de
Priority claimed from DE102015212742.7A external-priority patent/DE102015212742A1/de
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL16720824T priority Critical patent/PL3320138T3/pl
Publication of EP3320138A1 publication Critical patent/EP3320138A1/fr
Application granted granted Critical
Publication of EP3320138B1 publication Critical patent/EP3320138B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • 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
    • D06F2103/52—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to electric heating means, e.g. temperature or voltage
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only

Definitions

  • the present invention relates to a laundry care device and a laundry care method.
  • a laundry care appliance is in particular a washing machine, but can also be, for example, a machine for rinsing and / or impregnating laundry items. These additional functions can also be integrated in a washing machine.
  • the disclosure EP 2 703 537 A1 shows a washing machine.
  • the disclosure EP 2 161 365 A2 shows a washing machine.
  • the disclosure EP 1 867 773 A1 shows a washing machine.
  • a detergent from a detergent receptacle together with fresh water is washed into the laundry drum of the laundry care device during a washing-in process by means of a washing-in device, in order to wash the laundry items in the laundry drum with the mixture of detergent and fresh water is also referred to herein as alkali or washing liquid.
  • alkali or washing liquid In order to ensure an in-depth and as uniform as possible wetting or moistening of the laundry items with the washing liquid, it is eg from the DE3401899A1 known to discharge washing liquid from the laundry drum or a tub connected to the laundry drum by means of a pumping device and to apply it again to the laundry items in the laundry drum via a nozzle.
  • a heating element is also described, which is arranged on the bottom of the tub and with which the washing liquid can be heated to a target temperature.
  • the disclosure DE 10 2013 106 091 A1 shows a washing method and a washing machine.
  • the disclosure EP 2 246 469 A1 shows a washing machine.
  • the disclosure EP 0 464 776 A1 shows a protective mechanism for a heating element of a washing machine.
  • the object is achieved by a laundry care device with a rotatably mounted laundry drum for receiving items of laundry, a drive motor for rotating the laundry drum, a pumping device for recirculating washing liquid out of the laundry drum and back into the laundry drum, and a heating element for Heating the washing liquid and a control device for controlling the drive motor, the pumping device and the heating element in accordance with a laundry care program running on the control device during operation.
  • the control device is designed to deactivate the pumping device when the heating element is activated as soon as the amount of washing liquid in the washing drum or in a tub in which the washing drum is rotatably mounted falls below a minimum amount threshold.
  • control device is designed, as part of the laundry care program, which provides phases in which the laundry drum is rotated at a speed in the range of the application speeds and the Pumping device is active to activate the pumping device only when the speed of the laundry drum is ramped up when the speed of the laundry drum exceeds a first speed threshold value.
  • control device is designed to deactivate the pump-around device when the speed of the laundry drum is reduced when the speed of the laundry drum falls below a second speed threshold value.
  • the first speed threshold can be equal to the second speed threshold. Studies have shown that the first and / or the second speed threshold value should preferably be greater than approximately 50 rpm.
  • An application speed can be, for example, in a range from approximately 80 to approximately 500 rpm.
  • control device is designed to continuously adapt the first and / or the second speed threshold value to the amount of washing liquid in the washing drum, the first and / or the speed threshold value being lowered for a larger amount of washing liquid and for a smaller amount the washing liquid the first and / or the second speed threshold value is increased.
  • the laundry care device further comprises a pressure sensor, which is designed to detect the pressure of the washing liquid in the laundry drum or the tub in which the laundry drum is rotatably mounted, the control device being designed to, when the heating element is activated, the pumping device deactivate as soon as the pressure detected by the pressure sensor falls below a pressure threshold.
  • control device is designed to cycle at least two cycles in which the rotation of the laundry drum is raised to a placement speed and lowered again, the pumping device is activated above the first speed threshold value and deactivated below the second speed threshold value, and the heating element is activated Times in a row.
  • control device is designed to activate the cycle in which the rotation of the laundry drum is raised to a placement speed and then lowered again, the pumping device is activated above the first speed threshold value and deactivated below the second speed threshold value, and the heating element is activated as long as repeat until a substantially uniform temperature distribution is achieved at a desired target temperature.
  • control device is designed to deactivate the heating element and at least once more to rotate the laundry drum up to a contact speed and again drive down, the pumping device being activated above the first speed threshold and the pumping device being deactivated below the second speed threshold.
  • control device is designed to operate the pumping device continuously when the heating element is activated. This means that the pumping device is operated continuously until the amount of washing liquid in the laundry drum falls below the minimum amount threshold. This results in efficient pumping, for example.
  • Continuously means the opposite of impulsive. This means that the pumping device remains activated until the amount of washing liquid in the laundry drum falls below the minimum amount threshold.
  • the object is achieved by a laundry care method for a laundry care device with a rotatably mounted laundry drum for receiving items of laundry, a drive motor for rotating the laundry drum, a pumping device for recirculating washing liquid out of the laundry drum and back into the laundry drum, a heating element for heating the washing liquid and a control device for controlling the drive motor, the pumping device and the heating element according to a laundry care program running on the control device during operation.
  • the laundry care method comprises the step that the control device deactivates the pump-around device when the heating element is activated as soon as the amount of washing liquid in the laundry drum or a tub in which the laundry drum is rotatably mounted falls below a minimum amount threshold.
  • control device activates as part of the laundry care program, which provides phases in which the laundry drum with a Rotation speed in the range of application speeds is rotated and the pumping device is active, the pumping device when the speed of the laundry drum is ramped up only when the speed of the laundry drum exceeds a first speed threshold value.
  • control device deactivates the pump-around device when the speed of the laundry drum is reduced when the speed of the laundry drum falls below a second speed threshold.
  • the first speed threshold can be equal to the second speed threshold. Studies have shown that the first and / or the second speed threshold value should preferably be greater than approximately 50 rpm.
  • An application speed can be, for example, in a range from approximately 80 to approximately 500 rpm.
  • control device continuously adjusts the first and / or the second speed threshold value to the amount of washing liquid in the washing drum or the tub, the first and / or the speed threshold value being lowered for a larger amount of washing liquid and for a smaller one Amount of washing liquid the first and / or the second speed threshold value is increased.
  • the laundry care method further comprises the step of detecting the pressure of the washing liquid in the laundry drum or the tub in which the laundry drum is rotatably mounted, the control device deactivating the pumping device when the heating element is activated as soon as the detected pressure falls below a pressure threshold falls.
  • control device carries out a cycle in which the rotation of the laundry drum is raised to a placement speed and lowered again, the pumping device is activated above the first speed threshold value and deactivated below the second speed threshold value, and the heating element is activated, at least twice in succession ,
  • control device repeats the cycle in which the rotation of the laundry drum is ramped up to a feed speed and is lowered again, the pumping device is activated above the first speed threshold value and deactivated below the second speed threshold value, and the heating element is activated until an im Substantially uniform temperature distribution is achieved at a desired target temperature.
  • control device deactivates the heating element as soon as an essentially uniform temperature distribution is achieved at the desired target temperature, and the rotation of the laundry drum is at least once again increased and decreased to a contact speed, the pumping device being activated above the first speed threshold value and the pumping device is deactivated below the second speed threshold.
  • control device operates the pumping device continuously when the heating element is activated. This means that the pumping device is operated continuously until the amount of washing liquid in the laundry drum falls below the minimum amount threshold. This results in efficient pumping, for example.
  • Continuously means the opposite of impulsive. This means that the pumping device remains activated until the amount of washing liquid in the laundry drum falls below the minimum amount threshold.
  • the laundry care method is carried out or carried out by means of the laundry care device.
  • the laundry care device is designed or set up to carry out or carry out the laundry care process.
  • FIG 1 shows a schematic representation of a washing machine representative of a general laundry care device 100.
  • the laundry care device 100 in the form of a washing machine is used to wash items of laundry and similar laundry items with a detergent.
  • the washing machine can optionally also be configured as a washer dryer in order to wash and dry laundry or similar laundry items.
  • the term “detergent” also includes treatment additives such as fabric softener, rinse aid or odor-improving agent in various forms (liquid, gel-like, pasty or also powder-like).
  • the washing machine 100 from Figure 1 contains in a machine housing 102 a tub 104 fixed in the machine housing.
  • a laundry drum 106 is rotatably mounted in the tub 104 about a horizontal axis of rotation and can be set in rotation at different speeds by means of a drive motor 105 which can be controlled by an electronic control device 118.
  • a drive motor 105 which can be controlled by an electronic control device 118.
  • items of laundry 108 are indicated, which are lifted when the laundry drum 106 is rotated by carriers 110 on the inside of the laundry drum 106 and fall down again.
  • the laundry items 108 are constantly rearranged when the laundry drum 106 rotates.
  • Fresh water can be fed from a fresh water line 112 through a detergent container 116, for example in the form of an inlet valve, through a detergent dispenser 116, which can be designed, for example, as a induction bowl and in addition to conventional ones
  • Detergents can also contain treatment additives such as fabric softener, rinse aid, odor improver or other laundry treatment agent in various forms (liquid, gel-like, pasty or also powder-like), either directly (as in the Figure 1 schematically shown) or be introduced into the laundry drum 106 via the tub 104.
  • the mixture of fresh water and detergent is referred to herein as washing liquid or lye.
  • the induction device 114 is also connected to the electronic control device 118.
  • the tub 104 is provided at its lower end with a downwardly shaped trough 128 which forms a heating chamber 130.
  • An electrical heating element 132 is arranged in the heating chamber 130, preferably a tubular heating element with which the washing liquid in the tub 104 can be heated. To control the electrical heating element 132, this is also connected to the electronic control device 118, as shown in FIG Figure 1 is shown schematically.
  • a tub drain 134 is provided, which is connected on the one hand to a pumping device 120 and on the other hand to a pumping device 144.
  • the pumping device 120 which serves in particular to flood the laundry items 108 several times with the washing liquid, comprises a pump 122, a suction line 124 on the suction side and a pressure line 126 on the pressure side of the pump 122 the lower end of the tub 104 can be recirculated back into the laundry drum 106 onto the laundry items 108.
  • the washing liquid supplied via the pressure line 126 to the pumping device 120 is applied to the laundry items 108 in the laundry drum 106 via a nozzle.
  • the electronic control device 118 As shown in FIG Figure 1 is shown schematically.
  • the pumping device 144 which is used in particular to pump out washing liquid located in the tub 104 and to discharge it from the washing machine 100, comprises a pump 142 with a suction line 140 and a pressure line 146 Activation of the pumping device 144, in particular the pump 142, can also be connected to the electronic control device 118.
  • Figure 2 shows a schematic diagram that illustrates the time course of several variables in a laundry care method according to the invention, namely the time course of the activity of the pump 122 of the pumping device 120 (ie pump 122 on or off), the speed of the laundry drum 106 and the temperature of the washing liquid.
  • control device 118 is designed to deactivate the pumping device 120 as part of the laundry care program when the heating element 132 is activated as soon as the amount of washing liquid in the laundry drum 106 or the tub 104 falls below a minimum amount threshold.
  • This has the advantage, for example, that an additional protective mechanism is provided which protects the heating element 132 against overheating.
  • control device 118 is designed, in the context of the laundry care program, which provides phases in which the laundry drum 106 is rotated at a speed in the range of the application speeds and the pumping device 120 is to be activated, the pumping device 120 when the speed of the Only activate the laundry drum 106 when the speed of the laundry drum 106 exceeds a first speed threshold.
  • FIG 2 Two such phases are shown in which the laundry drum 106 is rotated at a speed in the range of the application speeds and the pumping device 120 is active.
  • a detailed view of section A from Figure 2 is in Figure 3 shown.
  • the pumping device 120 is only activated when the rotational speed of the laundry drum 106 is increased when the rotational speed of the Washing drum 106 exceeds a first speed threshold value, the technical advantage is achieved, for example, that it can be ensured without great technical effort that the amount of washing liquid in the suds container 104 is always large enough that the pump 122 of the pumping device 120 can be operated without problems, that is especially no air.
  • At speeds of the laundry drum 106 below the first speed threshold value it can happen that the majority of the washing liquid is bound in the items of laundry.
  • control device 118 is designed to deactivate the pumping device 120 when the speed of the laundry drum 106 is reduced when the speed of the laundry drum 106 falls below a second speed threshold value.
  • the first speed threshold can be equal to the second speed threshold. Studies have shown that the first and / or the second speed threshold value should preferably be greater than approximately 50 rpm.
  • An application speed can be, for example, in a range from approximately 80 to approximately 500 rpm.
  • control device 118 is designed to continuously adapt the first and / or the second speed threshold value to the amount of the washing liquid in the washing drum 106 and / or the tub 104, the first and / or the for a larger amount of the washing liquid Speed threshold is lowered and the first and / or the second speed threshold is increased for a smaller amount of washing liquid.
  • the technical advantage is achieved that the laundry care program can be better adapted to a particular wash cycle, which is essentially defined by the type and amount of the laundry items 108.
  • the laundry care device 100 further comprises a pressure sensor, which is designed to detect the pressure of the washing liquid in the laundry drum 106 or in the tub 104, the control device 118 being designed to deactivate the pumping device 120 when the heating element 132 is activated , as soon as the pressure detected by the pressure sensor falls below a pressure threshold.
  • a pressure sensor which is designed to detect the pressure of the washing liquid in the laundry drum 106 or in the tub 104
  • the control device 118 being designed to deactivate the pumping device 120 when the heating element 132 is activated , as soon as the pressure detected by the pressure sensor falls below a pressure threshold.
  • control device 118 is designed to perform a cycle in which the rotation of the laundry drum 106 is ramped up and down again to a contact speed, the pumping device 120 is activated above the first speed threshold value and deactivated below the second speed threshold value, and the heating element 132 is activated is to perform at least twice in a row. This has the advantage, for example, that a more uniform temperature distribution is generated in the washing liquid and the laundry items 108.
  • control device 118 is designed to activate the pumping device 120 above the first speed threshold value and below the second speed threshold value, and activate the heating element 132, and the heating element 132 is activated, the cycle in which the rotation of the laundry drum 106 is raised to a feed speed and lowered again is to be repeated until an essentially uniform temperature distribution is achieved at a desired target temperature.
  • control device 118 is designed to deactivate the heating element 132 and to increase and decrease the rotation of the laundry drum 106 at least once more to a contact speed, above the first speed threshold pumping device 120 is activated and below the second speed threshold the pumping device 120 is deactivated.
  • Figure 4 shows a schematic diagram which illustrates the course over time of several variables in a laundry care process, namely the course over time of the amount of water supplied via the dispenser 114, the activity of the pump 122 of the pumping device 120, the speed of the laundry drum 106 and the temperature of the washing liquid.
  • FIG 4 Diagram shown shows a washing-in phase of the laundry care method, in which fresh water or washing liquid is added to the washing drum 106 in several successive washing-in processes, as described above, for example, from the fresh water line 112 via the washing-in device 114 and the detergent container 116 Washing-in processes separated by periods in which no further fresh water is added to the washing drum 106 via the washing-in device 114, ie the washing-in device 114 is deactivated or closed.
  • control device 118 is designed to, at the end of one of the FIGS Figure 4 illustrated washing processes of the laundry care program, in which fresh water and detergent are flushed into the washing drum 106 by means of the washing device 114, to control the drive motor 105 of the washing drum 106 in such a way that the drive motor 105 drives the washing drum 106 reversibly over a first reversing period, and after the drive motor 105 when the pumping device 120 is deactivated, the laundry drum 106 has reversed at least once during the first reversing period, ie has rotated in one direction of rotation and in the opposite direction of rotation, to activate the pumping device 120 and to deactivate it at the end of a second pumping period 120.
  • the laundry drum 106 can first be brought up to a speed of, for example, 55 rpm in one direction of rotation and then to a speed of, for example, 55 rpm in the opposite direction of rotation. In this way it is achieved that in particular the items 108 lying on the inside of the laundry drum 106 are wetted with washing liquid via the jacket of the laundry drum 106.
  • control device 118 can be designed to, in the context of the first flushing-in process in FIG Figure 4 shown to substantially simultaneously activate the induction device 114 and the pumping device 120.
  • the corresponding first pumping period over which pumping device 120 is operated by control device 118 is shown in FIG Figure 4 marked with the letter "A".
  • the duration of the in Figure 4 The first pumping period marked with the letter "A” can only be a few seconds. The duration of the first pumping period can be shorter than the duration of the first flushing period.
  • the essentially simultaneous rinsing and pumping ensures that detergent residues which have not been dissolved so far are actively mixed with the washing liquid and less detergent residues which have not been dissolved so far are deposited in parts of the laundry care appliance 100, in particular on the bottom of the suds container 104 and / or in the tub-shaped suds container drain 134 , It is known from practice that the major portion of the detergent is flushed into the tub 104 together with the first four liters of fresh water.
  • the control device 118 can furthermore be designed to control the drive motor 105 of the laundry drum 106 in such a way that the laundry drum 106 is at least temporarily rotated at the application speed during the second pumping-over period described above.
  • Such a rotation of the laundry drum 106 at the application speed is shown in FIG Figure 4 shown in the period "D".
  • the application speed can be, for example, in a range from approximately 80 to approximately 500 rpm.
  • the rotation of the laundry drum 106 at this time, that is to say with simultaneous pumping, at the application speed leads to the items of laundry lying against the inside of the laundry drum due to the centrifugal forces and the washing liquid introduced into the laundry drum 106 by the pumping device 120 directly onto the washing liquid on the inside of the Laundry drum 106 fits adjacent jacket of laundry items 108. This ensures uniform wetting or moistening of almost all items of laundry 108 (even when the laundry drum 106 is fully loaded). Due to the centrifugal forces that occur during rotation at the application speed, the washing liquid is also pressed out of the laundry items 108 and is returned to the laundry drum 106 via the active pumping device 120 for further wetting of the laundry items 108.
  • both the above-described first reversing period and the above-described second pumping period end essentially simultaneously, as can be seen in FIG Figure 4 from the end of the respective periods "B", “C”, “D” and “E".
  • a respective rest phase begins with the simultaneous end of a first reversing period and a second pumping period.
  • Four such periods of rest are in Figure 4 marked with the digits "1", “2", “3” and "4".
  • the induction device 114 is also inactive during the respective resting phases "1" to "4".
  • the control device 118 is designed to, after the end of a first reversing period and a second pumping period, that is to say during a rest phase following the first reversing period and the second pumping period, for example in FIG Figure 4 shown rest phases "1", “2", “3” or "4", to detect the pressure of the washing liquid in the laundry drum 106 or the tub 104 and to adjust parameters of the laundry care program running on the control device 118 on the basis of this pressure.
  • This has the technical advantage, for example, that parameters of the laundry care program can be adapted to the actual load, for example in order to reduce energy consumption.
  • a pressure sensor can be provided in the depression 128 of the tub 104, which is connected to the control device 118.
  • FIG. 3 shows an exemplary schematic diagram that shows the pressure curve over time for two different loads, namely a full load and a half load, during part of the process shown in FIG Figure 4 illustrated washing phase in a laundry care device in the form of a washing machine 100 according to one embodiment (on the upper side) and a conventional washing machine (on the lower side).
  • the uniform parts of the respective curve shape which initially rise sharply and then flatten out correspond to those in FIG Figure 4 illustrated rest phases, whereby in Figure 5 two rest phases are shown.
  • a minimum pressure delta required for load differentiation is reached at an earlier point in time t 0 than in a conventional washing machine, in which this is done for load differentiation required minimum pressure delta is only reached at a later time t 0 '.
  • a washing machine 100 operated as described above, for example thus permits a faster and better estimate of the load than conventional washing machines, as a result of which the overall duration of the laundry care program can be reduced and the laundry care program can be adapted more quickly and better to the actual load, which in turn improves the washing result and energy consumption can be reduced.
  • control device 118 can be designed to operate the pumping device 120 during the second pumping period in such a way that the volume flow conveyed by the pumping device 120 is not less than a dripping speed of the laundry items 108.
  • This has the technical advantage, for example, that already at the beginning of the rest phase initiated by the deactivation of the drive motor 105 and the pumping device 120, for example at the beginning of FIG Figure 4 shown rest phases "1", “2", “3” or "4", the loading of the laundry care device 100 by the laundry items 108 can be estimated from the pressure of the washing liquid in the tub 104.

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

Claims (15)

  1. Appareil d'entretien de linge (100) comprenant un tambour à linge (106) logé de manière rotative, destiné à recevoir des pièces de linge (108), comprenant un moteur d'entraînement (105) destiné à faire tourner le tambour à linge (106), comprenant un dispositif de pompage (120) destiné à recycler le liquide de lavage en l'évacuant du tambour à linge (106) et en le ramenant dans le tambour à linge (106), comprenant un élément de chauffage (132) destiné à échauffer le liquide de lavage, et comprenant un dispositif de commande (118) destiné à entraîner le moteur d'entraînement (105), le dispositif de pompage (120) et l'élément de chauffage (132) selon un programme d'entretien de linge se déroulant sur le dispositif de commande (118) pendant le fonctionnement,
    caractérisé en ce que
    le dispositif de commande (118) est réalisé, lorsque l'élément de chauffage (132) est activé, pour désactiver le dispositif de pompage (120) dès que la quantité de liquide de lavage dans le tambour à linge (106) tombe en dessous d'une valeur seuil de quantité minimale, de sorte qu'un mécanisme de protection est fourni, lequel protège l'élément de chauffage (132) contre une surchauffe du fait que ce dernier est toujours recouvert par une quantité minimale de liquide de lavage.
  2. Appareil d'entretien de linge (100) selon la revendication 1, le dispositif de commande (118), dans le cadre du programme d'entretien de linge qui prévoit des phases pendant lesquelles le tambour à linge (106) est mis en rotation avec une vitesse de rotation située dans la plage des vitesses de rotation auxquelles le linge est appliqué contre le tambour, et le dispositif de pompage (120) est actif, étant réalisé pour activer le dispositif de pompage (120) lors de l'augmentation de la vitesse de rotation du tambour à linge (106) lorsque la vitesse de rotation du tambour à linge (106) dépasse une première valeur seuil de vitesse de rotation.
  3. Appareil d'entretien de linge (100) selon la revendication 2, caractérisé en ce que le dispositif de commande (118) est réalisé pour désactiver le dispositif de pompage (120) lors de la baisse de la vitesse de rotation du tambour à linge (106) lorsque la vitesse de rotation du tambour à linge dépasse vers le bas une deuxième valeur seuil de vitesse de rotation.
  4. Appareil d'entretien de linge (100) selon la revendication 2 ou 3, caractérisé en ce que le dispositif de commande (118) est réalisé pour adapter la première et/ou la deuxième valeur(s) seuil de vitesse de rotation à la quantité de liquide de lavage dans le tambour à linge (106), la première et/ou la deuxième valeur(s) seuil de vitesse de rotation étant diminuée(s) pour une plus grande quantité de liquide de lavage et la première et/ou la deuxième valeur(s) seuil de vitesse de rotation étant augmentée(s) pour une plus petite quantité de liquide de lavage.
  5. Appareil d'entretien de linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'appareil d'entretien de linge (100) comprend en outre un capteur de pression qui est réalisé pour détecter la pression du liquide de lavage dans le tambour à linge (106), le dispositif de commande (118) étant réalisé, lorsque l'élément de chauffage (132) est activé, pour désactiver le dispositif de pompage (120) dès que la pression détectée par le capteur de pression tombe en dessous d'une valeur seuil de pression.
  6. Appareil d'entretien de linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de commande (118) est réalisé pour exécuter au moins deux fois successivement un cycle pendant lequel la rotation du tambour à linge (106) est augmentée de manière à obtenir une vitesse de rotation à laquelle le linge est appliqué contre le tambour, et à nouveau réduite, pendant lequel, au-delà de la première valeur seuil de vitesse de rotation, le dispositif de pompage (120) est activé et, en dessous de la deuxième valeur seuil de vitesse de rotation, est désactivé, et pendant lequel l'élément de chauffage (132) est activé.
  7. Appareil d'entretien de linge (100) selon la revendication 6, caractérisé en ce que le dispositif de commande (118) est réalisé pour répéter le cycle jusqu'à ce qu'une répartition de température essentiellement régulière soit obtenue pour une température cible souhaitée.
  8. Appareil d'entretien de linge (100) selon la revendication 5 ou 6, caractérisé en ce que le dispositif de commande (118) est réalisé, dès qu'une répartition de température essentiellement régulière pour la température cible souhaitée est obtenue, pour désactiver l'élément de chauffage (132) et pour augmenter la rotation du tambour à linge (106) au moins encore une fois à une vitesse de rotation à laquelle le linge est appliqué contre le tambour et pour la réduire de nouveau, le dispositif de pompage (120), au-delà de la première valeur seuil de vitesse de rotation, étant activé et, en dessous de la deuxième valeur seuil de vitesse de rotation, étant désactivé.
  9. Procédé d'entretien de linge pour un appareil d'entretien de linge (100) comprenant un tambour à linge (106) logé de manière rotative, destiné à recevoir des pièces de linge (108), comprenant un moteur d'entraînement (105) destiné à faire tourner le tambour à linge (106), comprenant un dispositif de pompage (120) destiné à recycler le liquide de lavage en l'évacuant du tambour à linge (106) et en le ramenant dans le tambour à linge (106), comprenant un élément de chauffage (132) destiné à échauffer le liquide de lavage, et comprenant un dispositif de commande (118) destiné à entraîner le moteur d'entraînement (105), le dispositif de pompage (120) et l'élément de chauffage (132) selon un programme d'entretien de linge se déroulant sur le dispositif de commande (118) pendant le fonctionnement,
    caractérisé en ce que
    le procédé d'entretien de linge comprend l'étape que le dispositif de commande (118), lorsque l'élément de chauffage (132) est activé, désactive le dispositif de pompage (120) dès que la quantité de liquide de lavage dans le tambour à linge (106) tombe en dessous d'une valeur seuil de quantité minimale, de sorte qu'un mécanisme de protection est fourni, lequel protège l'élément de chauffage (132) contre une surchauffe du fait que ce dernier est toujours recouvert par une quantité minimale de liquide de lavage.
  10. Procédé d'entretien de linge selon la revendication 9, caractérisé en ce que, dans le cadre du programme d'entretien de linge qui prévoit des phases pendant lesquelles le tambour à linge (106) est mis en rotation avec une vitesse de rotation située dans la plage de vitesses de rotation auxquelles le linge est appliqué contre le tambour, et le dispositif de pompage (120) est actif, le dispositif de pompage (120) est activé lors de l'augmentation de la vitesse de rotation du tambour à linge (106) lorsque la vitesse de rotation du tambour à linge (106) dépasse une première valeur seuil de vitesse de rotation.
  11. Procédé d'entretien de linge selon la revendication 10, caractérisé en ce que le dispositif de commande (118) désactive le dispositif de pompage (120) lors de la baisse de la vitesse de rotation du tambour à linge (106) lorsque la vitesse de rotation du tambour à linge dépasse vers le bas une deuxième valeur seuil de vitesse de rotation.
  12. Procédé d'entretien de linge selon la revendication 10 ou 11, caractérisé en ce que le dispositif de commande (118) adapte la première et/ou la deuxième valeur(s) seuil de vitesse de rotation à la quantité de liquide de lavage dans le tambour à linge (106), la première et/ou la deuxième valeur(s) seuil de vitesse de rotation étant diminuée(s) pour une plus grande quantité de liquide de lavage et la première et/ou la deuxième valeur(s) seuil de vitesse de rotation étant augmentée(s) pour une plus petite quantité de liquide de lavage.
  13. Procédé d'entretien de linge selon l'une quelconque des revendications 9 à 12, caractérisé en ce que le procédé d'entretien de linge comprend en outre l'étape de détecter la pression du liquide de lavage dans le tambour à linge (106) au moyen d'un capteur de pression, le dispositif de commande (118), lorsque l'élément de chauffage (132) est activé, désactivant le dispositif de pompage (120) dès que la pression détectée par le capteur de pression tombe en dessous d'une valeur seuil de pression.
  14. Procédé d'entretien de linge selon l'une quelconque des revendications 9 à 13, caractérisé en ce que le dispositif de commande (118) exécute au moins deux fois successivement un cycle pendant lequel la rotation du tambour à linge (106) est augmentée de manière à obtenir une vitesse de rotation à laquelle le linge est appliqué contre le tambour, et à nouveau réduite, pendant lequel, au-delà de la première valeur seuil de vitesse de rotation, le dispositif de pompage (120) est activé et, en dessous de la deuxième valeur seuil de vitesse de rotation, est désactivé, et pendant lequel l'élément de chauffage (132) est activé.
  15. Procédé d'entretien de linge selon l'une quelconque des revendications 9 à 14, caractérisé en ce que le dispositif de commande (118), dès qu'une répartition de température essentiellement régulière pour la température cible souhaitée est obtenue, désactive l'élément de chauffage (132) et augmente la rotation du tambour à linge (106) au moins encore une fois à une vitesse de rotation à laquelle le linge est appliqué contre le tambour et la réduit de nouveau, le dispositif de pompage (120), au-delà de la première valeur seuil de vitesse de rotation, étant activé et le dispositif de pompage (120), en dessous de la deuxième valeur seuil de vitesse de rotation, étant désactivé.
EP16720824.8A 2015-07-08 2016-05-04 Appareil et procédé d'entretien du linge Active EP3320138B1 (fr)

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DE102015212741.9A DE102015212741B4 (de) 2015-07-08 2015-07-08 Wäschepflegegerät und Wäschepflegeverfahren
DE102015212742.7A DE102015212742A1 (de) 2015-07-08 2015-07-08 Wäschepflegegerät und Wäschepflegeverfahren
PCT/EP2016/059956 WO2017005390A1 (fr) 2015-07-08 2016-05-04 Appareil et procédé d'entretien du linge

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DE102019201845A1 (de) * 2019-02-13 2020-08-13 BSH Hausgeräte GmbH Haushaltsgerät zum Behandeln von Wäsche
DE102019207240A1 (de) * 2019-05-17 2020-11-19 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102019207351A1 (de) * 2019-05-20 2020-11-26 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102019213014A1 (de) * 2019-08-29 2021-03-04 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung

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Publication number Publication date
CN107849775A (zh) 2018-03-27
EP3320138A1 (fr) 2018-05-16
CN107849777B (zh) 2020-06-09
WO2017005390A1 (fr) 2017-01-12
CN107849777A (zh) 2018-03-27
CN107849775B (zh) 2020-03-31
EP3320137B1 (fr) 2020-07-29
EP3320137A1 (fr) 2018-05-16
PL3320138T3 (pl) 2020-07-13
PL3320137T3 (pl) 2021-02-08
WO2017005391A1 (fr) 2017-01-12

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