EP3201384B1 - Appareil d'entretien du linge présentant un élément de commande - Google Patents

Appareil d'entretien du linge présentant un élément de commande Download PDF

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Publication number
EP3201384B1
EP3201384B1 EP15770533.6A EP15770533A EP3201384B1 EP 3201384 B1 EP3201384 B1 EP 3201384B1 EP 15770533 A EP15770533 A EP 15770533A EP 3201384 B1 EP3201384 B1 EP 3201384B1
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EP
European Patent Office
Prior art keywords
laundry
wash liquor
volume
pump
tub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP15770533.6A
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German (de)
English (en)
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EP3201384A1 (fr
Inventor
Jörg SKRIPPEK
Rainer Jurmann
Dirk MISCHKE
Torsten Böttger
Raymond Römer
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Priority to PL15770533T priority Critical patent/PL3201384T3/pl
Publication of EP3201384A1 publication Critical patent/EP3201384A1/fr
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Publication of EP3201384B1 publication Critical patent/EP3201384B1/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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18—Washing liquid level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/44—Current or voltage
    • D06F2103/48—Current or voltage of the motor driving the pump
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps

Definitions

  • the present invention relates to a laundry care device with a control.
  • wash liquor is supplied to the tub during a washing process to achieve adequate wetting of the laundry in the laundry drum.
  • the determination of the volume of wash liquor present in the tub is crucial to ensure an effective laundry care process. Too little wash liquor volume in the tub does not result in adequate wetting of the laundry, while too large a wash liquor volume on the other hand leads to a large consumption of wash liquor.
  • a laundry care apparatus having a pumping system comprising a laundry drum for receiving laundry, a washing liquor receptacle, the tub comprising an inlet opening and a drain opening, a conduit defining the inlet opening and the outlet opening and a pump for pumping wash liquor through the conduit, comprising a load detecting means for detecting a weight of laundry in the laundry drum, having a power detecting element for detecting an electric power Performance of the pump, with a Waschlaugenzu operationselement for supplying a volume of wash liquor into the tub, and with a control, solved, wherein the control is formed, a bound to the laundry in the laundry drum amount of wash liquor depending on the supplied volume of wash liquor and in response to the detected electric power value of the pump, and wherein the control is configured to change a laundry care program depending on the ratio of the particular volume of wash liquor bound to the laundry and the sensed weight of the laundry in the laundry drum.
  • the technical advantage is achieved that by determining the ratio of the volume of washing liquor bound to the laundry and the weight of the laundry in the laundry drum, the type of laundry can be automatically determined by the control.
  • the control can advantageously control the laundry care program depending on the detected laundry weight and depending on the particular type of laundry.
  • the weight of the laundry in the laundry drum is determined by the load detection means, such as the laundry. a weighing device detected. Then, a volume of wash liquor is supplied through the wash liquor feed element to the tub. Subsequently, a part of the supplied wash liquor is determined by the control, which is bound to the laundry. From the ratio of the volume of washing liquor bound to the laundry and the weight of the laundry, the control can determine the type of laundry.
  • the control element determines the volume of the wash liquor bound to the wash by determining the volume of wash liquor supplied minus the volume of wash liquor that is not bonded to the wash, and therefore is freely movable in the pump-over system.
  • the freely movable in the Umpumpsystem wash liquor is pumped out of the tub by the pump in the pumping system.
  • the power sensing element senses the electrical power of the pump during the pump down process. When the pump has pumped out in the Umpumpsystem freely moving amount of wash liquor from the tub, air sucked by the pump, which reduces the amount of pumped through the pump wash.
  • the power sensing element can detect the end of the pump down process based on a decreasing electrical power value of the pump.
  • the control of the detected Abpumpzeitintervall and from the known volume flow of the pump can determine the volume of freely movable in the pumping system wash liquor. Since the control knows the volume of the total, supplied wash liquor, taking into account the particular free-moving volume of wash liquor, the volume of wash liquor bound to the wash can be determined.
  • the ratio of the volume of wash liquor bound to the wash and the weight of laundry detected corresponds to the soak time, a parameter that is characteristic of the fabric type of laundry.
  • the control can automatically determine by a comparison of the determined flooding time with pre-stored for known types of wash flooding times the type of laundry laundry. Based on the particular type of laundry, the control may alter the laundry care program to tailor the laundry care process to the particular type of laundry.
  • a laundry care appliance is understood to mean a device which is used for laundry care, such as e.g. a washing machine or a tumble dryer.
  • a laundry care appliance is understood as a household laundry care appliance. So a laundry care device, which is used in the context of household management, and is treated with the laundry in normal household quantities.
  • the load detection device comprises a weighing device, a device for detecting a lowering of a vibration system of the laundry drum, or a device for detecting performance parameters of a drive of the laundry drum.
  • the technical advantage is achieved that an effective detection of the laundry weight can be performed by the aforementioned load detection devices.
  • the laundry weight can be detected after the addition of the laundry in the laundry drum.
  • the laundry weight in the laundry drum can be determined before the supply of wash liquor into the tub.
  • the laundry weight of the laundry in the laundry drum can be detected by a sagging of the oscillating system under laundry load.
  • the laundry drum comprises a vibrating system which is suspended on springs. With known spring constant and elongation of the springs can be closed on the force that is affected by the weight of the laundry in the laundry drum on the vibrating system. After consideration of the damping of the vibration system due to static friction and after taking into account the empty weight of the vibration system can be concluded on the basis of the sagging of the vibrating system of the laundry drum on the laundry weight of laundry located in the laundry drum.
  • the electrical power required by the drive of the laundry drum to drive the laundry drum at a certain rotational frequency may also be measured, and the electrical power may be determined by the power sensing element.
  • the electrical energy needed to drive the drive at a certain rotational frequency is dependent on the weight of the laundry in the laundry drum. By comparing the electrical energy required for the rotation of the laundry drum with predetermined calibration data, the weight of the laundry in the laundry drum can be determined.
  • the determination of the dry weight of the laundry by the load detection device is particularly preferred.
  • the laundry care appliance comprises an inlet valve for supplying a volume of water to the wash liquor feed element, wherein the inlet valve is designed to control the supplied volume of water.
  • the volume of water supplied through the inlet valve is dependent on the volume flow of the inlet valve and the opening time of the inlet valve.
  • the supplied volume of water mixes in the dispenser bowl with any existing laundry care product, whereby the volume of wash liquor is formed, which is supplied to the tub by the Waschlaugenzu operationselement.
  • the supplied volume of wash liquor depending on the opening time of the inlet valve can be timed supplied to the tub.
  • the volume flow of the inlet valve can be adjusted to a predetermined volume flow value, for example by using a quantity regulator, independently of pressure. As a result, an effective detection of the supplied volume of wash liquor is made possible.
  • the laundry care appliance comprises a flow sensor for detecting a volume flow of the inlet valve, wherein the wash liquor feed element is designed to control the inlet valve in dependence on the detected volume flow.
  • the technical advantage is achieved that the volume of wash liquor supplied can advantageously be determined by the use of the flow sensor.
  • the flow sensor may detect the amount of water supplied to the wash liquor supply member in a certain time interval.
  • the wash liquor feed element can control the volume of wash liquor supplied to the tub as a function of the detected volume flow.
  • the technical advantage is achieved that with knowledge of the flow rate of the intake valve O valve only the opening time of the intake valve t valve must be detected to determine the total volume of wash V supplied.
  • the supplied volume of wash liquor V as a whole does not necessarily have to be determined by a flow sensor. Rather, it is sufficient if the volume flow of the inlet valve Q valve can be set to a constant value. This can be done for example by a flow regulator, through which, for example, the volume flow of the inlet valve Q valve can be set to a value of, for example, ten liters per minute.
  • the volume of wash liquor V supplied overall can thus be determined as a function of the opening time of the inlet valve t valve .
  • control element is designed to determine the volume of wash liquor supplied to the tub by the wash liquor feed element as a function of the detected electrical power value of the pump.
  • the technical advantage is achieved that an advantageous determination of the liquor container through the Waschlaugenzu operationselement supplied volume of wash liquor can be performed without the installation of a flow sensor or flow regulator is necessarily needed.
  • the wash liquor is pumped out of the tub by the pump.
  • the amount of wash liquor pumped out of the tub by the pump is dependent upon the electrical power of the pump. If the supply of washing liquor in the tub is stopped, then air will be sucked in by the pump, thereby reducing the electric power of the pump that can be detected by the power sensing element. Based on the detected electrical power of the pump, the control can advantageously determine the volume of the wash liquor supplied to the tub.
  • the first fill with wash liquor can not be via the wash, but directly into the tub, so that the particular volume of the supplied wash liquor is not affected by the suction force of the fabric Laundry is affected.
  • the technical advantage is achieved that with knowledge of the flow rate of the pump Q pump only the pumping time t snorkel of the pump must be detected in order to determine the total volume of wash V supplied.
  • the volume of wash liquor V added overall does not necessarily have to be determined during the supply of wash liquor into the tub. Rather, it is sufficient if the volume flow of the pump Q pump is known, or has a constant value and the wash liquor is not passed on the first filling of the laundry in the tub.
  • the volume flow of the pump Q pump may have been determined by preliminary tests, for example, or may be set by a change in the speed of the pump to an advantageous constant value.
  • the supplied volume of wash liquor V total can be determined as a function of the time t snorkel which the pump needs to pump the supplied volume of the wash liquor from the tub.
  • the power detection element comprises a current sensor for detecting a supply current of the pump.
  • the current sensor includes a switching resistor that senses the supply current of the pump during a time interval.
  • an amplitude of the alternating current can be detected by the current sensor.
  • the supply current of the pump depends on the amount of liquid pumped by the pump. If air is sucked from the tub by the pump and thereby decreases the amount of the pumped through the pump liquid, then there is a reduction of the supply current of the pump.
  • control element is designed to determine a free volume of wash liquor in the pumping system as a function of the detected electrical power value of the pump, wherein the control element is designed to have a volume of wash liquor bound to the wash in the pumping system Depending on the determined free volume of wash liquor and depending on the volume supplied to determine wash liquor.
  • the technical advantage is achieved that the determination of the free volume of wash liquor in the pumping system enables an advantageous measurement of the volume of wash liquor bound to the wash in the pumping system, thereby enabling an effective determination of the type of wash by the control element.
  • the supplied volume of wash liquor is composed of the volume of wash liquor bound to the wash and the volume of wash liquor freely movable in the pump-over system.
  • the volume of wash liquor present in the pumping system is pumped by the pump to the laundry in the laundry drum, whereby the laundry is a portion of the total volume in the pumping system existing wash liquor binds.
  • the other part of the washing liquor, which does not bind to the laundry, the freely movable wash liquor flows through the laundry and collects in the lower part of the liquor container.
  • the power sensing element may sense a drop in performance at the pump as air is drawn from the tub.
  • the volume of the wash liquor bound to the laundry can be determined by the control as a function of the volume of wash liquor supplied and as a function of the volume of the freely mobile wash liquor.
  • the technical advantage is achieved that only the volume of the total supplied wash liquor V total the control to be with regard to the free volume of wash liquor in the pump around V dates known, in order to determine bound, the bound to the laundry volume of wash liquor V. Since the volume of wash liquor V bound to the laundry is difficult to determine directly, indirect measurement is advantageous.
  • the volume of total supplied wash liquor V can be determined by methods described by the control.
  • the free volume of wash liquor in the pump-over system V free can be determined from the electrical power of the pump sensed by the power sensing element during a pump-over operation by the control so that the control is free from the volume of the volume by subtracting the free volume of wash liquor in the pump-over system supplied wash liquor V total , which can determine bound to the laundry volume of wash liquor V bound .
  • control is designed to change the laundry care program depending on the determined ratio of the volume of wash liquor bound to the laundry and the detected weight of laundry in the laundry drum and in dependence on predetermined calibration data.
  • the technical advantage is achieved that an effective determination of the type of washing by the control is made possible by the consideration of predetermined calibration data.
  • the control determines the ratio of the volume of wash liquor bound to the wash and the weight of the wash, which corresponds to the flooding time of the laundry in the laundry drum.
  • the assignment of the particular flow time to a type of laundry or type of fabric can be carried out by comparing the determined flow time with predetermined and pre-stored in the control flooding times of laundry with a known type of laundry. As a result, an advantageous determination of the type of laundry can be achieved.
  • control element is designed to determine the laundry type of the laundry in the laundry drum depending on the determined ratio of the volume of wash liquor bound to the laundry and the detected weight of the laundry in the laundry drum or in dependence on predetermined calibration data ,
  • the technical advantage is achieved that the ratio of the volume of wash liquor bound to the laundry and the weight of the laundry detected by the load detection device corresponds to the flow time of the laundry.
  • the flooding time of the laundry serves as a benchmark for the experimental determination of the type of laundry, in particular the type of fabric, the laundry.
  • the control may be determined by the determined flooding time, and by an optional comparison of the determined flooding time with predetermined Calibration data, such as predetermined flooding times of known types of laundry, perform an effective change the laundry care program.
  • control element is designed to change a duration of the laundry care program depending on the determined ratio of the volume of wash liquor bound to the laundry and the detected weight of laundry in the laundry drum or in dependence on predetermined calibration data.
  • a determination of the type of laundry or the type of fabric of the laundry is achieved by the ratio of the volume of washing liquor bound to the laundry and the recorded weight of the laundry.
  • the determination of the laundry weight and the type of laundry in turn allows an optimization of the duration of the laundry care program.
  • a low weight of laundry or a type of laundry with a low absorbency complete wetting of the laundry with washing liquor can be achieved in a short time interval.
  • the duration of the laundry care program in this case can be reduced as compared with a laundry load having a large laundry weight or a laundry having a large absorbency.
  • control element is designed to change the rotational frequency of the laundry drum depending on the determined ratio of the volume of wash liquor bound to the wash and the detected weight of the laundry in the laundry drum or in dependence on predetermined calibration data.
  • the technical advantage is achieved that the ratio of the volume of wash liquor bound to the laundry and the detected weight of the laundry in the laundry drum, a determination of the type of laundry and an adaptation of the laundry care program is made possible by the control.
  • the control can automatically reduce the frequency of rotation of the laundry drum to gently clean the laundry in the laundry drum.
  • the laundry care appliance comprises a heating element for heating wash liquor in the pumping system, wherein the control element is formed, the duration of heating depending on the determined ratio of the volume of wash liquor bound to the wash and the detected weight of the wash in the To change the laundry drum or depending on predetermined calibration data.
  • the control may automatically control the heating element to prevent overheating of the wash liquor in the tub.
  • Fig. 1 shows a schematic view of a general laundry care device 100, such as a washing machine.
  • the laundry care appliance 100 comprises a storage container 101, which is also referred to as an induction bowl, and into which detergent or other liquid substances can be introduced.
  • the laundry care appliance 100 comprises a door 103 for loading the laundry care appliance 100 with laundry.
  • Fig. 2 11 shows a view of a pump-around system 105 in a laundry care appliance 100 having a laundry drum 107 for receiving laundry, with a washing liquor receptacle 109, which comprises an inlet opening 111 and a drain opening 113.
  • the inlet port 111 is connected to the drain port 113 through a conduit 115.
  • the conduit 115 comprises a pump 117 which pumps wash liquor through the discharge opening 113 from the tub 109 and through the inlet opening 111 again into the tub 109.
  • the laundry care device 100 comprises a load detection device 119, which is designed to detect the weight of laundry (V load ) in the laundry drum 107.
  • the load detection device 119 is connected to the tub 109 by a load detection link 121.
  • the load detection device 119 may include a weighing device for weighing laundry in the laundry drum 107, a device for detecting a lowering of a vibration system of the laundry drum 107 or a device for detecting performance parameters of a drive of the laundry drum 107.
  • the load detection device 119 is preferably designed to determine the weight of dry laundry.
  • the laundry care apparatus 100 may supply to the tub 109 a volume of wash liquor from a wash liquor supply member 123 through a wash liquor supply conduit 125.
  • the supplied volume of wash liquor (V total ) is not determined based on the level of wash liquor in the tub 109 by a level sensor, but can be detected by determining a volume flow of an inlet valve of the laundry care device 100.
  • the supplied volume of wash liquor (V total ) in response to the opening time of the inlet valve (t valve ) timed to the tub 109 are supplied.
  • the volume flow of the inlet valve (Q valve ) can be adjusted to a predetermined volume flow value (Q valve ), such as 10 liters per minute, for example by using a volume regulator.
  • Q valve volume flow value
  • the inlet valve may be controlled by the wash liquor feed element 123 in dependence on the volume flow of the intake valve (Q valve ) detected by the flow sensor. It is also possible to combine the wash liquor feed element 123 with the flow sensor and the flow regulator.
  • the laundry care apparatus 100 includes a power detection element 127 for detecting an electric power value of the pump 117.
  • the power detection element 127 may in particular be designed as a current sensor in order to detect a supply current of the pump 117.
  • the power sensing element 127 may detect the electrical power of the pump 117 during the pumping operation.
  • the power detection element 127 is connected to the pump 117 through a power detection connection 129.
  • the laundry care device 100 further comprises a control element 131 which is connected to the power detection element 127 through a first control connection 133 in order to receive the power of the pump 117 detected by the power detection element 127.
  • the control element 131 is designed to determine the volume of wash liquor (V total ) supplied to the tub 109 on the basis of a performance drop detected by the power detection element 127.
  • wash liquor is first supplied to the tub 109 for a defined opening time of the inlet valve (t valve ). Subsequently, the pump 117 is turned on to pump the supplied wash liquor through the drain port 113 with a volume flow (Q pump ) from the tub 109. The pump 117 is operated for a certain time interval until the pump 117 has pumped the supplied volume of washing liquor out of the tub 109 (t snorkel ), which is connected to the suction of air from the tub 109. A suction of air from the tub 109 is indicated by a drop in the electric power of the pump 117 detected by the power detecting element 127.
  • the flow rate of the pump 117 may be regulated by a change in the speed of the pump 117, and may have been determined by, for example, a preliminary test.
  • the supplied volume of the wash liquor (V total ) is thereby dependent on the flow rate of the pump 117 (Q pump ) and a certain time interval (t snorkel ) and is determined according to the following formula.
  • V total Q pump ⁇ t snorkel
  • the supplied volume of wash liquor (V total ) can be determined by the control element 131.
  • V total The supplied volume of wash liquor (V total ) was composed of a volume of wash liquor (V bound ) bonded to the wash and a volume of wash liquor (V free ) freely mobile in circulating pump 105, which is not bonded to the wash.
  • V bound V total - V free
  • the volume of wash liquor (V total ) supplied to the pumping system 105 is supplied by the pump 117 to the laundry in the laundry drum 107, whereby the laundry binds a portion of the volume of the wash liquor (V bound ).
  • the portion of the supplied volume of wash liquor which does not bind to the laundry, the free wash liquor (V free ) flows through the laundry and collects in the lower portion of the tub 109.
  • the volume of freely mobile wash liquor (V free ) by the pump 117 is pumped out of the tub 109, wherein the power detecting element 127 can detect a power drop at the pump 117 when air is sucked from the tub 109.
  • the control element 131 can determine the volume of wash liquor (V bound ) bound to the wash as a function of the supplied volume of wash liquor (V total ) and depending on the volume of free wash liquor (V free ).
  • V total the total volume of wash liquor supplied to the pumping system 105 is known. Redundancy measurements can be made with a flow sensor.
  • V free the volume of the free wash liquor (V free ) can be determined, which is not bound in the laundry, where V total > V free .
  • the wash liquor which has passed through the laundry and is not absorbed, collects with the second volume of the free wash liquor (V mac_2 ) in the tub 109 and is pumped again by the pump 117, where V free > V mac_2 .
  • the control element 131 is furthermore connected to the load detection device 119 by a further control connection 135 and thereby has the detected laundry weight of the laundry in the laundry drum 107.
  • the control element 131 can measure the ratio of the wash liquor bound to the laundry and that detected by the load detection device 119 recorded weight of the laundry (V bound / V loading ) determine what corresponds to the flow time of the laundry.
  • the flooding time serves as a benchmark for determining the type of laundry, in particular the type of fabric of the laundry.
  • control element 131 can refer to various previously determined flow times, which have been determined for various known types of laundry. By comparing the experimentally determined flooding times with the stored comparative flooding times, the type of wash used can be determined experimentally. Depending on the detected weight of the laundry (V load ) and the experimentally determined flow time (V bound / V load ), the controller 131 may change the laundry care program to achieve a beneficial cleaning performance.
  • a graphical representation of correlation data for determining the type of laundry is shown.
  • the free amount of wash liquor (V free ) is circulated by the pump 117 in the pumping system 105.
  • the free volume of wash liquor (V free ) flows through the laundry in the laundry drum 107 at different speeds.
  • a certain amount of time passes before the free wash liquor passes Wash in the laundry drum 107 has penetrated, and is pumped out again by the pump 117.
  • the duration or heating duration of the laundry treatment process or the rotational frequency of the laundry drum 107 can be adapted to the laundry weight and the type of laundry.
  • the experimental determination of the laundry weight and the type of laundry eliminates the need to use a level sensor, e.g. a pressure sensor to be mounted in the tub 109, whereby a simplified and more efficient control of the laundry care process by the laundry care device 100 is achieved.

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

Claims (15)

  1. Lave-linge (100) muni d'un système de transvasement (105), qui comprend un tambour à linge (107) destiné à accueillir du linge, un bac à lessive (109) destiné accueillir de la lessive, dans lequel ledit bac à lessive (109) comporte un orifice d'admission (111) et un orifice d'évacuation (113), une conduite (115) qui relie l'orifice d'admission (111) et l'orifice d'évacuation (113), et une pompe (117) destinée au transvasement de la lessive à travers la conduite (115), avec un dispositif de détection de charge (119) destiné à détecter un poids de linge au sein du tambour à linge (107), avec un élément de détection de puissance (127) destiné à détecter une valeur de puissance électrique de la pompe (117), avec un élément d'acheminement de lessive (123) destiné à acheminer un volume de lessive dans le bac à lessive (109), et avec un élément de commande (131), caractérisé en ce que
    l'élément de commande (131) est réalisé de manière à déterminer une quantité de lessive, associée au linge présent dans le tambour à linge (107), en fonction du volume acheminé de lessive et en fonction de la valeur de puissance électrique détectée de la pompe (117), et
    l'élément de commande (131) est réalisé de manière à modifier un programme de lavage du linge en fonction du rapport entre le volume de lessive associé au linge déterminé et le poids détecté du linge au sein du tambour à linge (107).
  2. Lave-linge (100) selon la revendication 1, caractérisé en ce que le dispositif de détection de charge (119) comprend un dispositif de pesée, un dispositif destiné à détecter un abaissement d'un système oscillant du tambour à linge (107), ou un dispositif destiné à détecter des paramètres de puissance d'un entrainement du tambour à linge (107).
  3. Lave-linge (100) selon la revendication 1 ou 2, caractérisé en ce que le lave-linge (100) comprend un clapet d'admission destiné à acheminer un volume d'eau vers l'élément d'acheminement de lessive (123), et
    le clapet d'admission est réalisé de manière à commander le volume acheminé d'eau.
  4. Lave-linge (100) selon la revendication 3, caractérisé en ce que le lave-linge (100) comprend un capteur de débit destiné à détecter un débit volumique du clapet d'admission, et l'élément d'acheminement de lessive (123) est réalisé de manière à commander le clapet d'admission en fonction du débit volumique détecté.
  5. Lave-linge (100) selon la revendication 3 ou 4, caractérisé en ce que l'élément de commande (131) est réalisé de manière à déterminer le volume de lessive acheminé vers le bac à lessive (109) par l'intermédiaire de l'élément d'acheminement de lessive (123) sur la base de la formule ci-dessous : V total = Q clapet • t clapet
    Figure imgb0010
     dans lequel Vtotal correspond au volume de lessive qui est acheminé vers le bac à lessive (109) par l'intermédiaire de l'élément d'acheminement de lessive (123), dans lequel Qclapet correspondant au débit volumique du clapet d'admission, et dans lequel tclapet correspond au temps d'ouverture du clapet d'admission.
  6. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de commande (131) est réalisé de manière à déterminer le volume de lessive acheminé vers le bac à lessive (109) par l'intermédiaire de l'élément d'acheminement de lessive (123) en fonction de la valeur de puissance électrique détectée de la pompe (117).
  7. Lave-linge (100) selon la revendication 6, caractérisé en ce que l'élément de commande (131) est réalisé de manière à déterminer le volume de lessive acheminé vers le bac à lessive (109) par l'intermédiaire de l'élément d'acheminement de lessive (123) sur la base de la formule ci-dessous : V total = Q pompe • t schnorchel
    Figure imgb0011
     dans lequel Vtotal correspond au volume de lessive qui est acheminé vers le bac à lessive (109) par l'intermédiaire de l'élément d'acheminement de lessive (123), dans lequel Qpompe correspond au débit volumique de la pompe (117), et dans lequel tschnorchel correspond au temps qui est nécessaire à la pompe (117) pour pomper le volume acheminé de lessive hors du bac à lessive (109).
  8. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de détection de puissance (127) comprend un capteur de courant destiné à détecter un courant d'alimentation électrique de la pompe (117).
  9. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que
    l'élément de commande (131) est réalisé de manière à déterminer un volume libre de lessive au sein du système de transvasement (105) en fonction de la valeur de puissance électrique détectée de la pompe (117), et
    l'élément de commande (131) est réalisé de manière à déterminer un volume de lessive associé au linge au sein du système de transvasement (105) en fonction du volume libre déterminé de lessive et en fonction du volume acheminé de lessive.
  10. Lave-linge (100) selon la revendication 9, caractérisé en ce que l'élément de commande (131) est réalisé de manière à déterminer le volume de lessive associé au linge au sein du système de transvasement (105) sur la base de la formule ci-dessous : V associé = V total − V libre
    Figure imgb0012
     dans lequel Vassocié correspond au volume de lessive associé au linge au sein du système de transvasement (105), dans lequel Vtotal correspond au volume de lessive qui est acheminé vers le bac à lessive (109) par l'intermédiaire de l'élément d'acheminement de lessive (123), et dans lequel Vlibre correspond au volume libre de lessive, au sein du système de transvasement (105), qui n'est pas associé au linge.
  11. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de commande (131) est réalisé de manière à modifier le programme de lavage du linge en fonction du rapport déterminé entre le volume de lessive associé au linge et le poids détecté du linge au sein du tambour à linge (107) et en fonction de données d'étalonnage prédéterminées.
  12. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de commande (131) est réalisé de manière à déterminer le type de linge dudit linge au sein du tambour à linge (107) en fonction du rapport déterminé entre le volume de lessive associé au linge et le poids détecté du linge au sein du tambour à linge (107) ou en fonction de données d'étalonnage prédéterminées.
  13. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de commande (131) est réalisé de manière à modifier une durée du programme de lavage du linge en fonction du rapport déterminé entre le volume de lessive associé au linge et le poids détecté du linge au sein du tambour à linge (107) ou en fonction de données d'étalonnage prédéterminées.
  14. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de commande (131) est réalisé de manière à modifier la fréquence de rotation du tambour à linge (107) en fonction du rapport déterminé entre le volume de lessive associé au linge et le poids détecté du linge au sein du tambour à linge (107) ou en fonction de données d'étalonnage prédéterminées.
  15. Lave-linge (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que le lave-linge comprend un élément chauffant destiné au chauffage de la lessive dans le système de transvasement (105), et l'élément de commande (131) est réalisé de manière à modifier la durée de chauffage en fonction du rapport déterminé entre le volume de lessive associé au linge et le poids détecté du linge au sein du tambour à linge (107) ou en fonction de données d'étalonnage prédéterminées.
EP15770533.6A 2014-10-02 2015-09-28 Appareil d'entretien du linge présentant un élément de commande Active EP3201384B1 (fr)

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DE102016212490A1 (de) * 2016-07-08 2018-01-11 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102017219043A1 (de) * 2017-10-25 2019-04-25 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
CN109750448B (zh) * 2018-12-11 2023-03-17 青岛海尔洗衣机有限公司 洗衣机脱水控制方法
DE102019207239A1 (de) * 2019-05-17 2020-11-19 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102019207240A1 (de) * 2019-05-17 2020-11-19 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
CN112941808B (zh) * 2021-01-18 2022-10-04 佛山市百斯特电器科技有限公司 一种分水阀门的控制方法及洗涤设备
DE102021207441B3 (de) 2021-07-13 2022-06-02 E.G.O. Elektro-Gerätebau GmbH Verfahren zum Betrieb einer Waschmaschine und Waschmaschine
DE102022211201A1 (de) 2022-10-21 2024-05-02 BSH Hausgeräte GmbH Verbesserte Ermittlung der Leerlaufstromaufnahme von Laugenpumpen
DE102022211200A1 (de) 2022-10-21 2024-05-02 BSH Hausgeräte GmbH Adaptive Drehzahlanpassung von Freistrompumpen in wasserführenden Haushaltsgeräten
BE1031021B1 (de) * 2022-11-09 2024-06-10 Miele & Cie Verfahren zum Betrieb eines Waschautomaten sowie Waschautomat
BE1031029B1 (de) * 2022-11-09 2024-06-10 Miele & Cie Verfahren zum Betrieb eines Waschautomaten sowie Waschautomat

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DE602004004558T2 (de) * 2004-11-23 2008-01-03 Electrolux Home Products Corporation N.V. Flottenumwälzende Haushaltswasmaschine mit automatischer Bestimmung des Wäschegewichts, sowie zugehöriges Betriebsverfahren.
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DE102007057331A1 (de) * 2007-11-28 2009-06-04 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zur Bestimmung der optimalen Drehzahl der Trommel einer Wäschebehandlungsvorrichtung
EP2202343B1 (fr) * 2008-12-18 2017-04-12 BSH Hausgeräte GmbH Procédé de traitement du linge ainsi que lave-linge adapté
JP5919487B2 (ja) * 2011-09-02 2016-05-18 パナソニックＩｐマネジメント株式会社 ドラム式洗濯機

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PL3201384T3 (pl) 2019-05-31
EP3201384A1 (fr) 2017-08-09
CN107075775A (zh) 2017-08-18
CN107075775B (zh) 2019-06-11
ES2704526T3 (es) 2019-03-18
DE102014220021B3 (de) 2016-02-04
RU2666216C1 (ru) 2018-09-06
WO2016050678A1 (fr) 2016-04-07

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