EP4022120B1 - Appareil de traitement de linge comprenant un dispositif de commande - Google Patents

Appareil de traitement de linge comprenant un dispositif de commande Download PDF

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Publication number
EP4022120B1
EP4022120B1 EP20761157.5A EP20761157A EP4022120B1 EP 4022120 B1 EP4022120 B1 EP 4022120B1 EP 20761157 A EP20761157 A EP 20761157A EP 4022120 B1 EP4022120 B1 EP 4022120B1
Authority
EP
European Patent Office
Prior art keywords
laundry
drum
power value
during
recording
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
EP20761157.5A
Other languages
German (de)
English (en)
Other versions
EP4022120A1 (fr
Inventor
Stefan Wetzel
Thomas Schneider
Christian TILL
Wolfram SCHUBERT
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
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Publication of EP4022120A1 publication Critical patent/EP4022120A1/fr
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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
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • 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
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
    • 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
    • D06F33/38—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
    • 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
    • D06F2103/38—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
    • 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
    • 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
    • D06F2105/46—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 with a control and a method for caring for laundry.
  • a conventional laundry care device different methods are used to wet the laundry picked up in the laundry drum.
  • the washing liquid supplied can often also be injected into the laundry drum through a front drum opening facing the appliance door.
  • the laundry in conventional laundry care devices often completely fills the volume of the laundry drum, so that the washing liquid supplied cannot penetrate into an inner area of the laundry held in the laundry drum, so that complete wetting cannot be ensured in all operating situations .
  • the object according to the invention is achieved by a laundry care device, with a tub for holding washing liquid, a laundry drum for holding laundry, the laundry drum being arranged in the tub, a vibration system which is designed to hold the laundry drum and the tub in to oscillate the laundry care device, a drum drive for rotating the laundry drum during a washing period, a controller for controlling the drum drive, and a power detection element for detecting an electrical power value of the drum drive, the controller being designed to activate the drum drive during a detection period of the washing period, to rotate the laundry drum, wherein the power detection element is designed to detect a first electrical power value of the drum drive during a first detection interval of the detection time period, wherein the power detection element is designed to detect a second electrical power value of the drum drive during a second detection interval following the first detection interval, and wherein the controller is designed to detect a non-changing laundry tunnel within the laundry received in the laundry drum when the second electrical power value corresponds to the first electrical power value.
  • a laundry tunnel is created in the rotating laundry drum by centrifugal forces acting on the laundry, through which the laundry picked up in the rotating laundry drum is pressed against the laundry drum, thereby forming the laundry tunnel.
  • the laundry tunnel is understood to be that inner area in the laundry drum loaded with laundry in which there is no laundry, the inner area being at least partially surrounded, in particular completely, by laundry lying on a jacket of the laundry drum.
  • Laundry drum creates a cavity within the laundry item, which is called a laundry tunnel.
  • the power detection element is designed to detect a torque-generating current intensity and/or an electrical power consumption of the drum drive as an electrical power value of the drum drive.
  • the drive torque of the laundry drum can be evaluated at a known speed. With an unchanged and therefore stable laundry tunnel, the drive torque of the laundry drum does not change, so that the electrical power value detected by the power detection element remains constant during the first and second detection intervals.
  • the drive torque of the laundry drum has not changed and a stable laundry tunnel has formed in the laundry drum, which is detected by the controller.
  • a laundry care device is a device that is used to care for laundry, such as a washing machine, a washer-dryer or a tumble dryer.
  • a laundry care device is understood to mean a household laundry care device.
  • a laundry care device that is used as part of household management and with which laundry is treated in normal household quantities.
  • control is designed to activate the drum drive during a maximum period of the washing period in order to rotate the laundry drum at a maximum speed, the maximum speed being greater than a resonance speed of the laundry drum, the resonance speed being a speed of the laundry drum at which an oscillation frequency of the oscillation system corresponds to a natural oscillation frequency of the oscillation system, and wherein in particular the detection period takes place during the maximum time period and/or after the maximum time period.
  • the maximum time period has a plurality of maximum time period ranges, the laundry drum being rotated at a maximum range speed during the respective maximum time period range, the maximum range speeds differing in particular.
  • control is designed to activate the drum drive during a drum period of the washing period following the detection period, in particular the maximum period, in order to rotate the laundry drum at a drum speed, the drum speed being greater than a detachment speed of the laundry drum and lower as a resonance speed of the laundry drum, wherein the detachment speed is a maximum speed of the laundry drum at which the laundry picked up in the laundry drum detaches from the laundry drum, and wherein the resonance speed is a speed of the laundry drum at which an oscillation frequency of the oscillation system corresponds to a natural oscillation frequency of the Vibration system corresponds.
  • the laundry care device has a washing liquid supply device for supplying washing liquid into the laundry drum, and the control is designed to activate the washing liquid supply device during the washing period, in particular after the detection period, in order to supply washing liquid into the laundry tunnel within the rotating laundry drum.
  • the washing liquid can advantageously be supplied, in particular injected, into the laundry tunnel. Due to the centrifugal force acting on the supplied washing liquid, the washing liquid supplied into the laundry tunnel is driven radially outwards through the laundry in order to wet the laundry as completely and advantageously as possible.
  • the laundry care device has a washing liquid supply device for supplying washing liquid into the laundry drum, the control being designed to activate the washing liquid supply device during the maximum time period and/or detection time period in order to supply washing liquid to the laundry in the laundry drum and to pre-wet the laundry, and /or wherein the controller is designed to activate the washing liquid supply device during the drum time period in order to supply washing liquid into the laundry tunnel within the rotating laundry drum.
  • the washing liquid supply device can also supply washing liquid to the laundry during the maximum time period and/or detection time period, although a stable laundry tunnel may not have yet formed in the laundry drum to ensure effective pre-wetting of the laundry.
  • the washing liquid supply device has a pump which is designed to pump washing liquid out of the tub and to supply the washing liquid again to the laundry in the laundry drum, and the control is designed to control the pump during the washing period, in particular during the detection period. during the maximum time period and / or during the drum time period, to activate washing liquid and to supply the pumped washing liquid to the laundry picked up in the laundry drum.
  • washing liquid thrown free due to the rotation of the laundry drum can be pumped around by activating the pump and advantageously fed back into the laundry for wetting. This makes it possible to ensure a stable washing liquid gradient in the laundry, particularly with pre-wetted laundry.
  • the laundry care device has a fill level sensor arranged in the tub for detecting a fill level of washing liquid in the tub and/or the power detection element is designed to detect an electrical pump power value of the pump, wherein the control is designed to deactivate the pump or to reduce the pump power of the pump if the level of washing liquid in the tub detected by the level sensor falls below a reference level, and / or if the electrical pump power value of the pump detected by the power detection element falls below a reference power value.
  • the laundry care device has a vibration detection element for detecting vibration values of the vibration system, wherein the vibration detection element is designed to detect a first vibration value during the first detection interval and to detect a second vibration value during the second detection interval, and wherein the controller is designed a laundry tunnel inside the laundry drum Laundry introduced when the second electrical power value corresponds to the first electrical power value and when the first vibration value corresponds to the second vibration value.
  • the vibration value of the oscillation system can also be advantageously used to confirm the presence of a laundry tunnel within the laundry drum. If the size of the laundry tunnel within the rotating laundry drum no longer changes, the detected vibration values remain the same during the first and second detection intervals.
  • the laundry care device has an air flow element which is designed to direct an air flow to the laundry drum
  • the laundry care device has an air flow detection element for detecting air flow values of an air flow emerging from the laundry drum
  • the control being designed to have a laundry tunnel within to detect laundry placed in the laundry drum if the second electrical power value corresponds to the first electrical power value and if an air flow value detected during the first and / or second detection interval falls below or exceeds an air flow reference value.
  • the air flow of air through the laundry drum can also be advantageously used to confirm the presence of a laundry tunnel within the laundry drum. If a stable laundry tunnel has formed in the laundry drum, the supplied air can flow advantageously through the laundry tunnel and an air flow value that is too low or too high is recorded.
  • the power detection element is designed to detect at least one further electrical power value of the drum drive during at least one further detection interval of the detection time period following the second detection interval, and the control is designed to detect a non-changing laundry tunnel within the laundry drum recorded laundry if the at least one further electrical power value corresponds to the first and / or second electrical power value.
  • control is designed to activate the drum drive during the first detection interval in order to rotate the laundry drum during the first detection interval at a first maximum range speed which is greater than the resonance speed, the control being designed to activate the drum drive during the second detection interval to rotate the laundry drum during the second detection interval at a second maximum range speed, which is greater than the resonance speed, and which differs from the first maximum range speed, and wherein the control is in particular designed to control the drum drive during at least one to activate the second detection interval subsequent further detection interval in order to rotate the laundry drum during the at least one further detection interval with a further maximum range speed which is greater than the resonance speed and which differs from the first maximum range speed and / or second maximum range speed.
  • control is in particular designed to activate the drum drive during at least one reduction time period between two successive detection intervals in order to rotate the laundry drum at a speed which is in particular greater than a resonance speed but lower than that Maximum speed, in particular less than the first, second and / or further maximum range speed.
  • the second maximum range speed is greater than the first maximum range speed, wherein the at least one further maximum range speed is greater than the second maximum range speed, or wherein the at least one further maximum range speed comprises a plurality of further maximum range speeds, each of which is greater and/or lower than that are first and/or second maximum range speeds.
  • the maximum range speeds are continuously increased from the first, through the second, to the at least one further detection period until a speed limit is reached at which no further improvement occurs, so that it can be determined step by step by the control whether there is a laundry tunnel has formed.
  • the first maximum range speed is increased to the second maximum range speed, but the further maximum range speeds are varied during the further detection time periods, so that the further maximum range speeds are greater and/or lower than the first and/or second maximum range speeds.
  • the formation of a uniformly formed laundry tunnel can be supported by braking and/or accelerating the speed of the laundry drum.
  • the first, second and/or further electrical power value comprises a difference between a first, second and/or further acceleration power value and a first, second and/or further idle power value, wherein the respective idle power value is determined by the Electrical power value of the electric drum drive detected by the power detection element corresponds, which was detected when the laundry drum rotated at a constant speed, and wherein the respective acceleration power value corresponds to an electric power value of the electric drum drive detected by the power detection element, which was detected when the speed of the laundry drum was increased.
  • control is designed to activate the drum drive in order to change the speed of the laundry drum when the first and second electrical power values differ, and / or the control is designed to repeat the detection period when the first and distinguish second electrical power value.
  • control can then detect a stable laundry tunnel by changing the speed of the rotating laundry drum or by repeating the detection time period in a new measuring process.
  • the object according to the invention is achieved by a method for caring for laundry in a laundry care appliance, wherein the laundry care appliance has a tub for holding washing liquid, a laundry drum for holding laundry, the laundry drum being arranged in the tub, a vibration system, which is designed to oscillate the laundry drum and the tub in the laundry care appliance, a drum drive for rotating the laundry drum during a washing period, a controller for controlling the drum drive, and a power detection element for detecting an electrical power value of the Drum drive, the method comprising the following steps, activating the drum drive by the controller during a detection period of the washing period to rotate the laundry drum, detecting a first electrical power value of the drum drive during a first detection interval of the detection period by the power detection element, detecting a second electrical power value of the drum drive during a second detection interval of the detection period by the power detection element, and detecting a non-changing laundry tunnel within the laundry received in the laundry drum when the second electrical power value corresponds to the first electrical power value.
  • inventions marked as advantageous embodiments for the laundry care appliance according to the first aspect are also advantageous embodiments for the method according to the second aspect.
  • Fig. 1 shows a schematic view of a general laundry care appliance 100, such as a washing machine.
  • the laundry care device 100 includes a dispenser bowl 101 into which detergent or other liquid substances can be filled.
  • the laundry care device 100 has a device housing 102.
  • the laundry care device 100 includes an appliance door 103 for loading the laundry care device 100 with laundry.
  • Fig. 2 shows a schematic view of a laundry care device with a control.
  • the laundry care device 100 has a tub 105 for holding washing liquid, and has a laundry drum 107 for holding laundry.
  • the laundry drum 107 is arranged in the tub 105.
  • the tub 105 and the laundry drum 107 arranged in the tub 105 are mounted so that they can oscillate in the laundry care device 100 by a vibration system 109 of the laundry care device 100.
  • the tub 105 has a drain opening 111.
  • the laundry care device 100 has a feed element 113.
  • the drain opening 111 is fluidly connected to the supply element 113 through a liquid line 115, a pump 117 for pumping washing liquid through the liquid line 115 being arranged in the liquid line 115.
  • the pump 117 can drain washing liquid through the drain opening 111 from the tub 105 during an in Fig. 2 pumping process, not shown, into the liquid line 115 and the washing liquid through the liquid line 115 and through the feed element 113 to the tub 105 and the laundry drum 107 feed again.
  • the washing liquid can be effectively pumped through the liquid line 115 during a laundry care process and fed again to the laundry in the laundry drum 107.
  • liquid line 115, the pump 117 and the supply element 113 are designed as a washing liquid supply device 118-1 for supplying washing liquid into the laundry drum 107.
  • the washing liquid supply device 118-1 in particular the supply element 113, is designed to direct the washing liquid into a laundry tunnel formed within the laundry in the rotating laundry drum 107.
  • the laundry care device 100 further comprises a controller 119, which is connected to the pump 117 through a first control connection 121, and which is connected to a drum drive 123 for rotating the laundry drum 107 through a second control connection 125.
  • the controller 119 is further connected by a third control connection 127 to a further washing liquid supply device 118-2 for supplying washing liquid into the laundry drum 107, the further washing liquid supply device 118-2 being connected to the tub 105 by a supply line 129.
  • the further washing liquid supply device 118-2 comprises an in Fig. 2 101 of the laundry care appliance 100, not shown, and/or an in Fig. 2 fresh water connection, not shown, of the laundry care appliance 100, wherein the controller 119 is designed to activate a washing liquor inlet via the dispenser bowl 101 and/or the fresh water connection in order to supply washing liquor and/or fresh water as washing liquid into the laundry drum 107.
  • the laundry care device 100 further has a power detection element 131 for detecting an electrical power value of the drum drive 123.
  • the power detection element 131 is designed to detect a torque-generating current intensity and/or an electrical power consumption of the drum drive 123 as an electrical power value of the drum drive 123.
  • the power detection element 131 can also be connected to other electrical components of the laundry care appliance 100, in particular the pump 117, in order to record electrical power values of the other electrical components, in particular the pump 117.
  • the power detection element 131 is arranged in the controller 119.
  • the power detection element 131 can be arranged in particular outside the controller 119, as in the Fig. 2 is not shown.
  • the power detection element 131 can be arranged in particular within the drum drive 123.
  • the laundry care device 100 further comprises an outlet line 128, which is fluidly connected to the liquid line 115.
  • the pump 117 is formed during an in Fig. 2 pumping process, not shown, to pump out washing liquid through the drain opening 111 from the tub 105, through the liquid line 115 and through the outlet line 128 from the laundry care appliance 100.
  • Fig. 3 shows a schematic representation of the supply of washing liquid into a laundry tunnel formed in the laundry drum.
  • a laundry drum 107 of the laundry care appliance 100 is shown, which is represented by an in Fig. 3 Drum drive 123, not shown, can be rotated about a rotation axis 132 in a first rotation direction 133-1 and/or second rotation direction 133-2.
  • An appliance door 103 of the laundry care appliance 100 is only shown in sections.
  • the wetting of the laundry 135 received in the laundry drum 107 with washing liquid occurs most quickly if it takes place radially, in particular by pumping around or centrally spraying in washing liquid.
  • the formation of a laundry tunnel 137 is required, the formation of the laundry tunnel 137 being correlated with the centrifugal acceleration of the laundry 135 due to the rotation of the laundry drum 107.
  • an inflow 139 of washing liquid can be supplied to the laundry tunnel 137 by a washing liquid supply device 118-1, in particular a feed element 113.
  • the washing liquid can radially wet the laundry 135 along a radial wetting direction 143 due to the centrifugal acceleration.
  • Fig. 4 shows a graphic representation of a laundry care process according to a first embodiment.
  • Fig. 4 shows a time representation of the speed of rotation of the laundry drum 107 and an electrical power value of the drum drive 123 detected by a power detection element 131, which are plotted along the ordinate axis 145 as a function of the time, which is indicated along the abscissa axis 147.
  • the first curve 140-1 shown shows the time course of the speed of a laundry drum 107 rotated by a drum drive 123.
  • the controller 119 is designed to activate the drum drive 123 during the maximum time section 151 of the washing period 149 to rotate the laundry drum 107 at a maximum speed 155, the maximum speed 155 being greater than a resonance speed 157 of the laundry drum 107.
  • the resonance speed 157 is a speed of the laundry drum 107 at which an oscillation frequency of the oscillation system 109 corresponds to a natural oscillation frequency of the oscillation system 109.
  • the second curve 140-2 shown shows an electrical power value of the drum drive 123 detected by a power detection element 131, in particular a torque-forming current intensity, or a drive torque derived from the torque-forming current intensity.
  • the detected electrical power value 165 increases until it remains constant as soon as the speed of the rotating laundry drum 107 has reached the maximum speed 155.
  • the constant course of the detected electrical power value 165 while the laundry drum 107 is rotating at the maximum speed 155 allows the conclusion that a stable laundry tunnel 137 has formed within the laundry 135 received in the laundry drum 107, which no longer changes.
  • the power detection element 131 detects a first electrical power value 165-1 of the drum drive 123 during a first detection interval 163-1 of a detection time period 163, and detects a second electrical power value 165- during a second detection interval 163-2 following the first detection interval 163-1. 2 of the drum drive 123.
  • a controller 119 of the laundry care device 100 is designed to detect a non-changing laundry tunnel 137 within the laundry 135 accommodated in the laundry drum 107 when the second electrical power value 165-2 corresponds to the first electrical power value 165-1, as shown in the course of the second curve 140-2 can be seen.
  • the controller 119 when a non-changing laundry tunnel 137 has been detected, the controller 119 then activates the drum drive 123 during a drum time segment 153 of the washing period 149 that follows the detection time segment 163, in particular the maximum time segment 151 the laundry drum 107 to rotate at a drum speed of 159.
  • the drum speed 159 is greater than a detachment speed 161 of the laundry drum 107 and lower than the resonance speed 157 of the laundry drum 107, the detachment speed 161 being a maximum speed of the laundry drum 107, at which the laundry 135 picked up in the laundry drum 107 is separated from the laundry drum 107 solves.
  • drum speed 159 is greater than the release speed 161, it can be ensured that the laundry 135 within the rotating laundry drum 107 remains in contact with the laundry drum 107, so that a stable laundry tunnel 137 can still be provided within the laundry drum 107, in order, for example, to supply washing liquid to the laundry 135 in a subsequent step.
  • drum speed 159 is lower than the maximum speed 155 and also lower than the resonance speed 157, energy can be saved and, in particular, rocking of the oscillation system 109 due to resonance can be prevented, which leads to a reduction in vibration during the laundry care process.
  • the controller 119 can in particular activate a washing liquid supply device 118-1 of the laundry care device 100 for supplying washing liquid into the laundry drum 107 during the washing period in order to feed washing liquid into the laundry tunnel 137 within the rotating laundry drum 107.
  • the controller 119 can activate the washing liquid supply device 118-1 at any time during the washing period 149 in order to supply washing liquid to the laundry 135 in the laundry drum 107.
  • the controller 119 may activate the washing liquid supply device 118-1 to supply washing liquid to the laundry 135 in the laundry drum 107 when the second electrical power value 165-2 corresponds to the first electrical power value 165-1. This can ensure that the washing liquid supplied by the washing liquid supply device 118-1 can be supplied, in particular injected, into a stable laundry tunnel 137 within the laundry drum 107.
  • the washing liquid supplied into the laundry tunnel 137 is driven through the laundry 135 delimiting the laundry tunnel 137 due to the centrifugal force caused by the rotation of the laundry drum 107, so that advantageous and complete wetting of the laundry 135 in the laundry drum 107 can be ensured.
  • the controller 119 can activate the washing liquid supply device 118-1 during the maximum time period 151 and/or drum time period 153 in order to supply washing liquid to the laundry 135 in the laundry drum 107.
  • the controller 119 can activate the washing liquid supply device 118-1 during the maximum time period 151 in order to supply washing liquid to the laundry 135.
  • no laundry tunnel 137 may have formed during the maximum time period 151, so that in this case the washing liquid supplied merely pre-wets the laundry 135.
  • the washing liquid supply device 118-1 can be activated by the control 119 in order to supply washing liquid into the then stable laundry tunnel 137 within the rotating laundry drum 107.
  • washing liquid can be continuously pumped around in the Laundry care device 100 can be carried out so that the mass of the laundry can be increased by absorbing the washing liquid through the laundry.
  • the washing liquid supply device 118-1 has a pump 117, which is designed to pump washing liquid out of the tub 105 and to supply the washing liquid again to the laundry 135 in the laundry drum 107.
  • the controller 119 is designed to activate the pump 117 during the washing period 149, in particular during the detection period 163, during the maximum time period 151 and/or during the drum period 153, in order to pump around washing liquid and to supply the pumped washing liquid to the laundry 135 picked up in the laundry drum 107 .
  • the washing liquid emerges through the jacket of the laundry drum 107, it can be pumped around by the pump 117 and fed again to the laundry 135 in the laundry drum 107, so that a stable washing liquid gradient is established within the laundry 135 received in the laundry drum 107.
  • the controller 119 activates the pump 117 for pumping around washing liquid during the detection period 163
  • the corresponding first and second electrical power value 165-1, 165-2 can then be detected during the first and second detection intervals 163-1, 163-2 , based on which, as before with dry laundry 135, the moment of inertia of the laundry drum 107 can be recorded.
  • the controller 119 is designed in particular to deactivate the pump 117 or to reduce the pumping power of the pump 117 when the level of washing liquid in the tub 105 detected by a level sensor arranged in the tub 105 is a reference level falls below, and/or if an electrical pump power value of the pump 117 detected by the power detection element 131 falls below a reference pump power value.
  • FIG. 4 Schematically illustrated third curve 140-3 shows an electrical power value 165 of the drum drive 123 detected by a power detection element 131 in a laundry tunnel 137, which is not yet complete trained.
  • the first and second electrical power values 165-1, 165-2 which were detected during the first and second detection intervals 163-1 and 163-2 differ.
  • the second electrical power value 165-2 is greater than the first electrical power value 165-1, so that the controller 119 recognizes that the laundry tunnel 137 is still increasing in size, i.e. a stable laundry tunnel 137 has not yet been formed.
  • the controller 119 can activate the drum drive 123 to change the speed of the laundry drum 107, and / or the controller 119 repeat the acquisition period 163.
  • the laundry 135 can be acted upon within the rotating laundry drum 107 in such a way that a stable laundry tunnel 137 is formed, and then the detected first and second electrical power values 165-1, 165-2 are the same.
  • Fig. 5 shows a graphical representation of a laundry care process according to a second embodiment.
  • Fig. 5 shows a time representation of the speed of rotation of the laundry drum 107 according to a fourth curve 140-4 and an electrical power value 165 of the drum drive 123 detected by a power detection element 131 according to a fifth curve 140-5, which is along the ordinate axis 145 as a function of the time, which is along the Abscissa axis 147 is indicated, are plotted.
  • the one in the Fig. 5 second embodiment shown during the washing period 149 has a maximum time period 151 and a drum time period 153 following the maximum period 151, the laundry drum 107 being rotated during the maximum time period 151 at a maximum speed 155, which is greater than is the resonance speed 157, and wherein the laundry drum 107 is rotated during the drum time period 153 at a drum speed 159 which is greater than the separation speed 161 and less than the resonance speed 157.
  • the detection time period 163 corresponds to the maximum time period 151.
  • the maximum time period 151 is divided into a plurality of maximum time period ranges 151-1, 151-2, 151-3, in particular three maximum time period ranges 151-1, 151-2, 151-3, wherein in the respective maximum time period range 151- 1, 151-2, 151-3 the laundry drum 107 is rotated with a different maximum range speed 155-1, 155-2, 155-3.
  • a first idle power value 165-3 and a first acceleration power value 165-5 become during the first detection interval 163-1 and a second idle power value 165-4 and a second during the second detection interval 163-2 Acceleration power value 165-6 recorded.
  • the respective idle power value 165-3, 165-4 represents the drive torque of the drum drive 123 at a constant maximum range speed 155-1, 155-2.
  • the respective acceleration power value 165-5, 165-6 indicates the drive torque of the drum drive 123 when accelerating from the first to the second maximum range speed 155-1, 155-2, or when accelerating from the second to the third maximum range speed 155-2, 155-3 again.
  • the first electrical power value 165-1 includes the difference between the first acceleration power value 165-5 and the first idle power value 165-3.
  • the second electrical power value 165-2 includes the difference between the second acceleration power value 165-6 and the second idle power value 165-4.
  • the controller 119 is designed to detect a non-changing laundry tunnel 137 within the laundry 135 received in the laundry drum 107, when the second electrical power value 165-2 corresponds to the first electrical power value 165-1.
  • the advantage of the iterative detection of electrical power values 165 with a continuous increase in the speed of the laundry drum 107 during the detection period 163 is that the specific maximum speed 155 can be specifically approached during the maximum time period 151, which is required to form the laundry tunnel 137.
  • Fig. 6 shows a graphical representation of a laundry care process according to a third embodiment.
  • Fig. 6 shows a time representation of the speed of rotation of the laundry drum 107 according to a sixth curve 140-6 and an electrical power value 165 of the drum drive 123 detected by a power detection element 131 according to a seventh curve 140-7, which is along the ordinate axis 145 as a function of the time, which is along the Abscissa axis 147 is indicated, are plotted.
  • the detection time period 163 of the in Fig. 6 shown third embodiment, in addition to the first and second detection intervals 163-1, 163-2, a plurality of further detection intervals 163-3, which follow the second detection interval 163-2, the power detection element 131 being formed during the further detection intervals 163- 3 to record a further electrical power value 165-7 of the drum drive 123.
  • the respective electrical power value 165-1, 165-2, 165-7 is the difference between the respective acceleration power value 165-5, 165-6, 165-8 and the respective idle power value 165-3, 165-4, 165-9.
  • the maximum time period 151 further comprises a plurality of maximum time period ranges 151-1, 151-2, 151-3, 151-4, 151-5, wherein in the respective maximum time period range 151-1, 151-2, 151-3, 151-4, 151-5 the laundry drum 107 is rotated with a different maximum range speed 155-1, 155-2, 155-3.
  • Fig. 6 shows second embodiment in which the speed of the laundry drum 107 is continuously increased during the maximum time period 151, includes in the third embodiment according to Fig. 6 the respective maximum range speeds 155-1, 155-2, 155-3 have different speeds, with a reduction time section 152 taking place between the respective maximum time section ranges 151-1, 151-2, 151-3, 151-4, 151-5, in which the laundry drum 107 is rotated at a speed which is greater than the resonance speed 157 but lower than the maximum speed 155, in particular lower than the maximum range speeds 155-1, 155-2, 155-3.
  • Fig. 7 shows a graphical representation of a laundry care process according to a fourth embodiment.
  • Fig. 7a shows a time representation of the speed of rotation of the laundry drum 107 according to an eighth curve 140-8 and Fig. 7b shows a time representation of a vibration value of the vibration system 109 detected by a vibration detection element according to a ninth curve 140-9, which is plotted along the ordinate axis 145 as a function of the time, which is indicated along the abscissa axis 147.
  • the vibration detection element is designed to detect a first vibration value 166-1 during the first detection interval 163-1 and a second vibration value 166-2 during the second detection interval 163-2.
  • the controller 119 can also use the detected vibration values 166-1, 166-2 to determine the laundry tunnel 137 in addition to the respective electrical power values 165-1, 165-2.
  • the controller 119 is designed to detect a laundry tunnel 137 within laundry 135 placed in the laundry drum 107 when the second electrical power value 165-2 corresponds to the first electrical power value 165-1 and when the first vibration value 166-1 corresponds to the second vibration value 166- 2 corresponds.
  • the detection of the resistance of the laundry 135 received in the laundry drum 107 to an air flow can also be taken into account.
  • the laundry care device 100 has an air flow element which is designed to direct an air flow to the laundry drum 107, wherein the laundry care device 100 has an air flow detection element for detecting air flow values of an air flow emerging from the laundry drum 107.
  • the controller 119 is designed to detect a laundry tunnel 137 within the laundry 135 introduced into the laundry drum 107 when the second electrical power value 165-2 corresponds to the first electrical power value 165-1 and when during the first and/or second detection interval 163- 1, 163-2 detected air flow value falls below or exceeds an air flow reference value.
  • the air resistance in the laundry drum 107 is very high because the air has to flow through narrow spaces or through the gap between the cuff and the laundry drum 107.
  • the air resistance drops significantly, so that an air flow reference value for the presence of a laundry tunnel 137 can be set depending on the laundry care device 100 and/or the laundry load.
  • Fig. 8 shows a schematic representation of a method for caring for laundry in a laundry care device.
  • the method 200 includes, as a first method step, the activation 201 of the drum drive 123 by the controller 119 during a detection period 163 of the washing period 149 in order to rotate the laundry drum 107.
  • the method 200 includes, as a second method step, the detection 203 of a first electrical power value 165-1 of the drum drive 123 during a first detection interval 163-1 of the detection time period 163 by the power detection element 131.
  • the method 200 includes, as a third method step, the detection 205 of a second electrical power value 165-2 of the drum drive 123 during a second detection interval 163-1 of the detection time period 163 by the power detection element 131.
  • the method 200 includes detecting 207 a non-changing laundry tunnel 137 within the laundry received in the laundry drum 107 when the second electrical power value 165-2 corresponds to the first electrical power value 165-1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (15)

  1. Appareil d'entretien du linge (100) comprenant une cuve de lavage (105) pour recevoir un liquide de lavage, un tambour à linge (107) pour recevoir du linge, le tambour à linge (107) étant disposé dans la cuve de lavage (105), un système oscillant (109) qui est configuré pour supporter de façon oscillante le tambour à linge (107) et la cuve de lavage (105) dans l'appareil d'entretien du linge (100), un entraînement de tambour (123) pour faire tourner le tambour à linge (107) pendant une période de lavage (149), une commande (119) pour commander l'entraînement de tambour (123), et un élément de détection de puissance (131) pour détecter une valeur de puissance électrique (165) de l'entraînement de tambour (123),
    dans lequel la commande (119) est configurée pour activer l'entraînement de tambour (123) durant une tranche de temps de détection (163) de la période de lavage (149) afin de faire tourner le tambour à linge (107),
    dans lequel l'élément de détection de puissance (131) est configuré pour détecter une première valeur de puissance électrique (165-1) de l'entraînement de tambour (123) pendant un premier intervalle de détection (163-1) de la tranche de temps de détection (163), dans lequel l'élément de détection de puissance (131) est configuré pour détecter une deuxième valeur de puissance électrique (165-2) de l'entraînement de tambour (123) pendant un deuxième intervalle de détection (163-2) consécutif au premier intervalle de détection (163-1),
    caractérisé en ce que
    la commande (119) est configurée de manière à détecter un tunnel de linge (137) inchangé à l'intérieur du linge (135) reçu dans le tambour à linge (107) lorsque la deuxième valeur de puissance électrique (165-2) équivaut à la première valeur de puissance électrique (165-1).
  2. Appareil d'entretien du linge (100) selon la revendication 1, caractérisé en ce que la commande (119) est configurée de manière à activer l'entraînement de tambour (123) pendant une tranche de temps maximale (151) de la période de lavage (149) pour faire tourner le tambour à linge (107) à une vitesse de rotation maximale (155), la vitesse de rotation maximale (155) étant supérieure à une vitesse de rotation de résonance (157) du tambour à linge (107), la vitesse de rotation de résonance (157) étant une vitesse de rotation du tambour à linge (107) à laquelle une fréquence d'oscillation du système oscillant (109) équivaut à une fréquence propre d'oscillation du système oscillant (109), et dans lequel en particulier la tranche de temps de détection (163) a lieu pendant la tranche de temps maximale (151) et/ou après la tranche de temps maximale (151).
  3. Appareil d'entretien du linge (100) selon la revendication 1 ou 2, caractérisé en ce que la commande (119) est configurée pour activer l'entraînement de tambour (123) pendant une tranche de temps de tambour (153) de la période de lavage (149) consécutive à la tranche de temps de détection (163), en particulier à la tranche de temps maximale (151), afin de faire tourner le tambour à linge (107) à une vitesse de rotation de tambour (159),
    dans lequel la vitesse de rotation de tambour (159) est supérieure à une vitesse de rotation de détachement (161) du tambour à linge (107), et inférieure à une vitesse de rotation de résonance (157) du tambour à linge (107),
    la vitesse de rotation de détachement (161) étant une vitesse de rotation maximale du tambour à linge (107) à laquelle le linge (135) reçu dans le tambour à linge (107) se détache du tambour à linge (107), et
    la vitesse de rotation de résonance (157) étant une vitesse de rotation du tambour à linge (107) à laquelle une fréquence d'oscillation du système oscillant (109) équivaut à une fréquence propre d'oscillation du système oscillant (109).
  4. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un moyen d'amenée de liquide de lavage (118-1, 118-2) pour amener du liquide de lavage dans le tambour à linge (107), et en ce que la commande (119) est configurée pour activer le moyen d'amenée de liquide de lavage (118-1, 118-2) pendant la période de lavage (149), en particulier après la tranche de temps de détection (163), afin d'amener du liquide de lavage dans le tunnel de linge (137) à l'intérieur du tambour à linge (107) tournant.
  5. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un moyen d'amenée de liquide de lavage (118-1, 118-2) pour amener du liquide de lavage dans le tambour à linge (107), dans lequel la commande (119) est configurée pour activer le moyen d'amenée de liquide de lavage (118-1, 118-2) pendant la tranche de temps maximale (151) et/ou la tranche de temps de détection (163), afin d'amener du liquide de lavage au linge (135) dans le tambour à linge (107) et de pré-mouiller le linge (135), et/ou
    dans lequel la commande (119) est configurée pour activer le moyen d'amenée de liquide de lavage (118-1, 118-2) pendant la tranche de temps de tambour (153), afin d'amener du liquide de lavage dans le tunnel de linge (137) à l'intérieur du tambour à linge tournant (107).
  6. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que le moyen d'amenée de liquide de lavage (118-1) comprend une pompe (117), qui est configurée pour pomper du liquide de lavage à partir de la cuve de lavage (105) et pour amener le liquide de lavage à nouveau au linge (135) dans le tambour de lavage (107), et dans lequel la commande (119) est configurée pour activer la pompe (117) durant la période de lavage (149), en particulier pendant la tranche de temps de détection (163), pendant la tranche de temps maximale (151) et/ou pendant la tranche de temps de tambour (153), afin de transvaser par pompage du liquide de lavage et d'amener le liquide de lavage pompé dans le linge (135) reçu dans le tambour à linge (107).
  7. Appareil d'entretien du linge (100) selon la revendication 6, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un capteur de niveau de remplissage disposé dans la cuve de lavage (105) pour détecter un niveau de remplissage du liquide de lavage dans la cuve de lavage (105), et/ou en ce que l'élément de détection de puissance (131) est configuré pour détecter une valeur de puissance électrique de pompage de la pompe (117),
    dans lequel la commande (119) est configurée pour désactiver la pompe (117) ou réduire la puissance de pompage de la pompe (117) lorsque le niveau de remplissage de liquide de lavage détecté par le capteur de niveau de remplissage est inférieur à un niveau de remplissage de référence dans la cuve de lavage (105), et/ou lorsque la valeur de puissance électrique de pompage de la pompe (117) détectée par l'élément de détection de puissance (131) est inférieure à une valeur de puissance de pompage de référence.
  8. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un élément de détection d'oscillations pour détecter des valeurs d'oscillation (166) du système oscillant (109),
    dans lequel l'élément de détection d'oscillations est configuré pour détecter une première valeur d'oscillation (166-1) pendant le premier intervalle de détection (163-1), et pour détecter une deuxième valeur d'oscillation (166-2) pendant le deuxième intervalle de détection (163-2), et dans lequel
    la commande (119) est configurée pour détecter un tunnel de linge (137) à l'intérieur du linge (135) introduit dans le tambour à linge (107) lorsque la deuxième valeur de puissance électrique (165-2) équivaut à la première valeur de puissance électrique (165-1) et lorsque la première valeur d'oscillation (166-1) équivaut à la deuxième valeur d'oscillation (166-2).
  9. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'appareil d'entretien du linge (100) comprend un élément d'écoulement d'air, qui est configuré pour amener un flux d'air dans le tambour à linge (107), et
    en ce que l'appareil d'entretien du linge (100) comprend un élément de détection d'écoulement d'air pour détecter des valeurs d'écoulement d'air d'un écoulement d'air sortant du tambour à linge (107),
    dans lequel la commande (119) est configurée pour détecter un tunnel de linge (137) à l'intérieur du linge (135) introduit dans le tambour à linge (107) lorsque la deuxième valeur de puissance électrique (165-2) équivaut à la première valeur de puissance électrique (165-1) et lorsqu'une valeur d'écoulement d'air détectée pendant le premier et/ou le deuxième intervalle de détection (163-1, 163-2) est inférieure ou supérieure à une valeur d'écoulement d'air de référence.
  10. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que l'élément de détection de puissance (131) est configuré pour détecter au moins une valeur de puissance électrique supplémentaire (165-7) de l'entraînement de tambour (123) pendant au moins un intervalle de détection supplémentaire (163-3) de la tranche de temps de détection (163) consécutif au deuxième intervalle de détection (163-2),
    dans lequel la commande (119) est configurée pour détecter un tunnel de linge (137) inchangé dans le linge (135) reçu dans le tambour à linge (107) lorsque l'au moins une valeur de puissance électrique supplémentaire (165-7) équivaut à la première et/ou la deuxième valeur de puissance électrique (165-1, 165-2).
  11. Appareil d'entretien du linge (100) selon l'une des revendications 2 à 10, caractérisé en ce que la commande (119) est configurée pour activer l'entraînement de tambour (123) durant le premier intervalle de détection (163-1) afin de faire tourner le tambour à linge (107) pendant le premier intervalle de détection (163-1) à une première vitesse de rotation de plage maximale (151-1), qui est supérieure à la vitesse de rotation de résonance (157),
    dans lequel la commande (119) est configurée pour activer l'entraînement de tambour (123) durant le deuxième intervalle de détection (163-2) afin de faire tourner le tambour à linge (107) pendant le deuxième intervalle de détection (163-2) à une deuxième vitesse de rotation de plage maximale (155-2), qui est supérieure à la vitesse de rotation de résonance (157) et qui se différencie de la première vitesse de rotation de plage maximale (155-2), et
    dans lequel la commande (119) est configurée en particulier pour activer l'entraînement de tambour (123) durant au moins un intervalle de détection supplémentaire (163-3) consécutif au deuxième intervalle de détection (163-2) afin de faire tourner le tambour à linge (107) pendant l'au moins un intervalle de détection supplémentaire (163-3) à une vitesse de rotation de plage maximale supplémentaire (155-3) qui est supérieure à la vitesse de rotation de résonance (157) et qui se différencie de la première vitesse de rotation de plage maximale (155-1) et/ou de la deuxième vitesse de rotation de plage maximale (155-2).
  12. Appareil d'entretien du linge (100) selon la revendication 11, caractérisé en ce que la deuxième vitesse de rotation de plage maximale (155-2) est supérieure à la première vitesse de rotation de plage maximale (155-1), dans lequel l'au moins une vitesse de rotation de plage maximale supplémentaire (155-3) est supérieure à la deuxième vitesse de rotation de plage maximale (155-2), ou dans lequel l'au moins une vitesse de rotation de plage maximale supplémentaire (155-3) comprend une pluralité de vitesses de rotation de plage maximale supplémentaires (155-3), qui sont respectivement supérieures et/ou inférieures à la première et/ou la deuxième vitesse de rotation de plage maximale (155-1, 155-2).
  13. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que la première, la deuxième et/ou la valeur de puissance électrique supplémentaire (165-1, 165-2, 165-7) comprend une différence respectivement entre une première, une deuxième et/ou une valeur de puissance d'accélération supplémentaire (165-5, 165-6, 165-8) et une première, une deuxième et/ou une valeur de puissance de marche à vide supplémentaire (165-3, 165-4, 165-9),
    dans lequel la valeur de puissance de marche à vide respective (165-3, 165-4, 165-9) équivaut à une valeur de puissance électrique (165) de l'entraînement électrique de tambour (123) détectée par l'élément de détection de puissance (131), qui a été détectée lors de la rotation du tambour à linge (107) à une vitesse de rotation constante, et
    dans lequel la valeur de puissance d'accélération respective (165-5, 165-6, 165-8) équivaut à une valeur de puissance (165) électrique de l'entraînement électrique de tambour (123) détectée par l'élément de détection de puissance (131), qui a été détectée lors d'une augmentation de la vitesse de rotation du tambour à linge (107).
  14. Appareil d'entretien du linge (100) selon l'une des revendications précédentes, caractérisé en ce que la commande (119) est configurée pour activer l'entraînement de tambour (123) afin de modifier la vitesse de rotation du tambour à linge (107) lorsque la première et la deuxième valeur de puissance électrique (165-1, 165-2) se différencient, et/ou en ce que la commande (119) est configurée pour répéter la tranche de temps de détection (163) lorsque la première et la deuxième valeur de puissance électrique (165-1, 165-2) se différencient.
  15. Procédé (200) d'entretien du linge (135) dans un appareil d'entretien du linge (100), dans lequel l'appareil d'entretien du linge (100) comprend une cuve de lavage (105) pour recevoir un liquide de lavage, un tambour à linge (107) pour recevoir du linge, le tambour à linge (107) étant disposé dans la cuve de lavage (105), un système oscillant (109) qui est configuré pour supporter de façon oscillante le tambour à linge (107) et la cuve de lavage (105) dans l'appareil d'entretien du linge (100), un entraînement de tambour (123) pour faire tourner le tambour à linge (107) pendant une période de lavage (149), une commande (119) pour commander l'entraînement de tambour (123), et un élément de détection de puissance (131) pour détecter une valeur de puissance électrique (165) de l'entraînement de tambour (123),
    dans lequel le procédé (200) comprend les étapes suivantes :
    activation (201) de l'entraînement de tambour (123) par la commande (119) durant une tranche de temps de détection (163) de la période de lavage (149) pour faire tourner le tambour à linge (107),
    détection (203) d'une première valeur de puissance électrique (165-1) de l'entraînement de tambour (123) pendant un premier intervalle de détection (163-2) de la tranche de temps de détection (163) par l'élément de détection de puissance (131),
    détection (205) d'une deuxième valeur de puissance électrique (165-2) de l'entraînement de tambour (123) pendant un deuxième intervalle de détection (163-2) de la tranche de temps de détection (163) par l'élément de détection de puissance (131),
    caractérisé par l'étape suivante :
    détection (207) d'un tunnel de linge (137) inchangé à l'intérieur du linge (135) reçu dans le tambour à linge (107) lorsque la deuxième valeur de puissance électrique (165-2) équivaut à la première valeur de puissance électrique (165-1).
EP20761157.5A 2019-08-29 2020-08-10 Appareil de traitement de linge comprenant un dispositif de commande Active EP4022120B1 (fr)

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DE4210577C2 (de) * 1992-03-31 1996-10-24 Aeg Hausgeraete Gmbh Verfahren zum Spülschleudern von Wäsche in einer programmgesteuerten Waschmaschine
DE4336349A1 (de) * 1993-10-25 1995-04-27 Bosch Siemens Hausgeraete Verfahren zum Bestimmen der Masse von nasser Wäsche in einer Wäschetrommel
DE19641309B4 (de) * 1996-10-08 2014-07-31 Electrolux Rothenburg Gmbh Factory And Development Trommelwaschmaschine
DE10326551A1 (de) * 2003-06-12 2005-01-05 BSH Bosch und Siemens Hausgeräte GmbH Wasch- und Spülverfahren für eine Waschmaschine
KR20090119560A (ko) * 2008-05-16 2009-11-19 엘지전자 주식회사 세탁물 처리기기
EP2348151B1 (fr) * 2010-01-25 2017-07-05 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge avec un dispositif d'écoulement
KR101506146B1 (ko) * 2012-02-03 2015-03-26 삼성전자 주식회사 세탁기 및 그 제어 방법
DE102013104075A1 (de) * 2013-04-23 2014-10-23 Miele & Cie. Kg Verfahren zum Betreiben einer Waschmaschine und Waschmaschine
DE102014104962A1 (de) * 2014-04-08 2015-10-08 Miele & Cie. Kg Wasserzulaufsteuerung und Waschvollautomat
KR20160010306A (ko) * 2014-07-18 2016-01-27 가부시끼가이샤 도시바 드럼식 세탁기
DE102016216391A1 (de) * 2016-08-31 2018-03-01 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Umleitvorrichtung
DE102016225146B3 (de) * 2016-12-15 2018-05-03 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung

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