EP2871274A1 - Waschmaschine und Steuerungsverfahren dafür - Google Patents

Waschmaschine und Steuerungsverfahren dafür Download PDF

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Publication number
EP2871274A1
EP2871274A1 EP20140184829 EP14184829A EP2871274A1 EP 2871274 A1 EP2871274 A1 EP 2871274A1 EP 20140184829 EP20140184829 EP 20140184829 EP 14184829 A EP14184829 A EP 14184829A EP 2871274 A1 EP2871274 A1 EP 2871274A1
Authority
EP
European Patent Office
Prior art keywords
water
laundry
weight
tub
drum
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.)
Withdrawn
Application number
EP20140184829
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English (en)
French (fr)
Inventor
Sung Woon Kang
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP2871274A1 publication Critical patent/EP2871274A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply

Definitions

  • the present invention relates to a washing machine and a control method thereof to detect weight of laundry received in the washing machine.
  • a washing machine (typically, a drum washing machine) is an apparatus including a tub to store water (wash water or rinse water), a drum which is rotatably installed inside the tub to receive laundry, and a motor which generates drive force to rotate the drum, thereby allowing washing to be performed via tumbling of laundry in the drum along an inner wall of the drum during rotation of the drum.
  • washing is performed via a series of processes such as a washing process to eliminate stains on laundry using water in which detergent is dissolved (specifically, wash water), a rinsing process to rinse bubbles or remaining detergent on laundry using water in which detergent is contained (specifically, rinse water), and a dehydration process to dehydrate laundry at high speed.
  • a washing process to eliminate stains on laundry using water in which detergent is dissolved (specifically, wash water)
  • a rinsing process to rinse bubbles or remaining detergent on laundry using water in which detergent is contained (specifically, rinse water)
  • a dehydration process to dehydrate laundry at high speed.
  • the motor is driven by a given target RPM and a determined operation ratio in each of the washing process, the rinsing process, and the dehydration process.
  • the RPM and the operation ratio of the motor in each process are determined according to weight (a load amount) of laundry.
  • the weight of laundry should be accurately detected in order to properly control operation of the motor according to the load amount and to set a use amount of water and a time consumed in the washing process and the rinsing process.
  • a conventional washing machine detects weight of laundry before washing begins.
  • torque inertia x acceleration
  • a use amount of water and a time are set according to the detected weight of laundry.
  • the rotation speed of the motor (the rotation speed of the drum) is significantly changed due to various external environmental factors of the washing machine.
  • the washing machine undergoes physical influences such as wind loss during rotation of a motor, friction resistance of bearing portions, contact friction of laundry, and mechanical vibration and electrical influences such as detection error of rotation speed and variation of power voltage, an error in detecting weight of laundry is generated, thereby enabling the weight of laundry to be not accurately detected.
  • a control method of a washing machine including a tub to store water, a drum installed inside the tub to accommodate laundry, and a motor to rotate the drum, includes detecting weight of laundry by driving the motor before water is supplied to the tub, supplying water to a water level set according to the detected weight of laundry, detecting a water level changed according to rotation of the drum after water is supplied to the tub to determine whether or not it is a water resupply condition, resupplying water to a level of water resupply when it is determined to be the water resupply condition, and correcting the detected weight of laundry according to the number of resupplies of water.
  • the detecting weight of laundry may include primarily detecting weight of laundry by driving the motor before the beginning of a washing process and using an acceleration time taken when the drum reaches a certain speed.
  • the detecting a change in water level may include detecting a level of water in the tub changed according to agitation and rotation of the drum during a washing process.
  • the change in water level may be proportional to the weight of laundry.
  • the determining whether or not it is a water resupply condition may include detecting a water level lowered as laundry absorbs water by agitating and rotating the drum during the washing process to determine whether or not the water level is a water level required for water resupply.
  • the control method may further include counting a generation time of the water resupply, and counting the number of generations of water resupply until the counted time elapses over a given time.
  • the number of resupplies of water may be proportional to the weight of laundry.
  • the control method may further include classifying the number of resupplies of water by the weight of laundry to store the same, and correcting the weight of laundry by a load higher than the detected weight of laundry when the counted number of resupplies of water is the reference number or more.
  • a washing machine includes a tub to store water, a water supply unit to supply water to the tub, a drum installed inside the tub to accommodate laundry, a motor to rotate the drum, and a control unit which controls the motor before water is supplied to the tub to detect weight of laundry, controls the water supply unit according to the detected weight of laundry to supply water to a set water level, rotates the drum after water is supplied to the tub to detect a change in water level, counts the number of resupplies of water according to the change in water level, and corrects the detected weight of laundry according to the number of resupplies of water.
  • the control unit may control the motor before the beginning of a washing process to primarily detect weight of laundry using an acceleration time taken when the drum reaches a certain speed.
  • the control unit may detect a level of water in the tub changed according to agitation and rotation of the drum during a washing process.
  • the control unit may detect a water level lowered as laundry absorbs water by agitating and rotating the drum during the washing process to determine whether or not the water level is a water level required for water resupply.
  • the control unit may further include counting a generation time of the water resupply, and counting the number of generations of water resupply until the counted time elapses over a given time.
  • the control unit may further include classifying the number of resupplies of water by the weight of laundry to store the same, and correcting the weight of laundry by a load higher than the detected weight of laundry when the counted number of resupplies of water is the reference number or more.
  • FIG. 1 is a view illustrating a configuration of a washing machine according to an embodiment of the present disclosure.
  • a washing machine 1 includes a main body 10 defining an external appearance thereof and having substantially a box shape, a tub 20 installed inside the main body 10, a drum 30 rotatably installed inside the tub 20, and a motor 40 to drive the drum 30.
  • the main body 10 is formed, at a front surface portion thereof, with an insertion port 11 through which laundry may be inserted into the drum 30.
  • the insertion port 11 is opened and closed by a door 12 mounted to the front surface portion of the main body 10.
  • the drum 30 includes a cylindrical portion 31, a front surface plate 32 installed to the front of the cylindrical portion 31, and a rear surface plate 33 installed to the rear of the cylindrical portion 31.
  • the front surface plate 32 is formed with an opening 32a for insertion of laundry, and the rear surface plate 33 is connected with a drive shaft 43 to which the motor 40 transmits power.
  • a plurality of through holes 34, through which wash water passes, are formed around the drum 30, and a plurality of lifters 35 are installed on an inner peripheral surface of the drum 30 so that, during rotation of the drum 30, laundry is tumbled therewithin.
  • the motor 40 includes a stator 41 which is fixed to a rear surface of the tub 20, a rotor 42 which rotates while interacting with the stator 41, and the drive shaft 43 one end of which is fixed to a center of the rotor 42 while the other end thereof passes through the tub 20 and is fixed to a center of the rear surface plate 33 of the drum 30.
  • the motor 40 is typically a universal motor configured by a field coil and an armature or a BLDC (Brushless Direct Motor) configured by a permanent magnet and an electromagnet. Furthermore, any motor may also be utilized as long as the motor 40 is applicable to the washing machine 1.
  • BLDC Battery-Coupled Direct Motor
  • the drive shaft 43 is installed between the drum 30 and the motor 40. One end of the drive shaft 43 is connected to the rear surface plate 33 of the drum 30, and the other end of the drive shaft 43 extends outward of a rear wall of the tub 20.
  • the motor 40 drives the drive shaft 43
  • the drum 30 connected to the drive shaft 43 rotates about the drive shaft 43.
  • the rear wall of the tub 20 is provided with a bearing housing 21 to rotatably support the drive shaft 43.
  • the bearing housing 21 may be made of an aluminum alloy, and be inserted into the rear wall of the tub 20 during injection molding of the tub 20.
  • Bearings 22 are installed between the bearing housing 21 and the drive shaft 43 so that the drive shaft 43 may smoothly rotate.
  • the tub 20 is supported by a damper 23.
  • the damper 23 connect an inside bottom surface of the main body 10 to an outer surface of the tub 20 and reduces vibration generated at a lower portion of the tub 20.
  • the tub 20 is provided, at an upper portion thereof, with a water supply unit 50 to supply wash water to the tub 20 and a detergent supply unit 70 connected to the water supply unit 50 such that water transferred through the water supply unit 50 is supplied to the tub 20 together with detergent.
  • the lower portion of the tub 20 is provided with a drainage unit 60 to discharge wash water in the tub 20 to the outside of the main body 10.
  • the water supply unit 50 includes water supply tubes 51 which connect an external water supply source (not shown) to the detergent supply unit 70 in order to supply water (wash water or rinse water) into the tub 20, a water supply valve 52 which is installed to the middle of each water supply tube 51 to control supply of water, and a connection tube 53 which connects the tub to the detergent supply unit 70.
  • the drainage unit 60 includes a drainage tube 61 through which water in the tub 20 is discharged to the outside of the main body 10 and a drainage pump 62 installed to the drainage tube 61 such that water is discharged through the drainage tube 61.
  • the detergent supply unit 70 is connected to the tub 20 through the connection tube 53 connected to a lower portion thereof. Accordingly, water supplied through the water supply tube 51 passes through the detergent supply unit 70 and is supplied to the tub 20 through the connection tube 53. This configuration allows water supplied to the tub 20 to pass through the detergent supply unit 70, enabling detergent within the detergent supply unit 70 to be supplied to the tub 20 together with water.
  • the tub 20 is provided, at a lower inside thereof, with a water level sensor 80 which senses a water level frequency varying according to a water level in order to sense an amount of water (water level) in the tub 20.
  • a water level sensor 80 which senses a water level frequency varying according to a water level in order to sense an amount of water (water level) in the tub 20.
  • FIG. 2 is a perspective view illustrating the detergent supply unit according to the embodiment of the present disclosure.
  • the detergent supply unit 70 includes a detergent box 710 in which detergent is stored and a detergent box housing 700 accommodating the detergent box 710.
  • the detergent box housing 700 is fixed to the main body 10 of the washing machine 1 and the detergent box 710 slides inward of the detergent box housing 700 through an opening 701 formed in the front of the detergent box housing 700. Accordingly, a user may insert detergent into the washing machine 1 by separating only the detergent box 710 from the detergent box housing 700 to insert detergent into the detergent box 710 and then again mounting the detergent box 710 to the detergent box housing 700.
  • the detergent box housing 700 includes a fixing portion 702 to fix the detergent box housing 700 to the main body 10, a housing cover 703 covering an upper side of the detergent box housing 700, a plurality of water supply ports 704 provided at a rear end upper portion of the detergent box housing 700 such that the water supply tubes 51 are connected to the water supply ports 704, and a connection port 705 provided at a lower portion of the detergent box housing 700 such that the connection tube 53 is connected to the connection port 705.
  • the detergent box 710 is provided with a plurality of detergent storage portions 710a and 710b to store detergent. Liquid or powder detergent and softening agent may be inserted into the plural detergent storage portions 710a and 710b. As shown in the drawings, the plural detergent storage portions 710a and 710b are divided into a main detergent storage portion 710a to store liquid main detergent and a sub-detergent storage portion 710b to store liquid sub-detergent such as rinse or bleaching agent. Although not shown in the drawings, the detergent box 710 further includes a powder detergent storage portion to store powder detergent and a manual detergent supply portion to allow a user to directly supply rinse, bleaching agent, or the like.
  • a detergent box cover 711 is mounted to an upper portion of the detergent box 710 so as to prevent detergent stored in the detergent box 710 from overflowing.
  • the detergent box cover 711 is provided with a plurality of detergent insertion ports 711a and 711b through which detergent may be inserted into the respective detergent storage portions 710a and 710b.
  • the main detergent storage portion 710a and the sub-detergent storage portion 710b in which a great quantity of liquid detergent is stored are provided with storage portion covers 712a and 712b to prevent liquid detergent from overflowing.
  • the detergent supply unit 70 includes a detergent insertion module 720 configured such that liquid detergent mixes with water within the detergent box housing 700 to be supplied to the tub 20 together with water by inserting liquid detergent stored in the detergent box 710 into the detergent box housing 700.
  • the detergent insertion module 720 is configured to communicate with the detergent box 710 and is installed to an outer surface of the detergent box 710 such that electrical connection structures are not present within the detergent box 710. In the embodiment of the present disclosure, the detergent insertion module 720 is installed to a rear surface of the detergent box 710.
  • FIG. 3 is a control block diagram of the washing machine according to the embodiment of the present disclosure.
  • the washing machine 1 includes an input unit 100, a control unit 102, a memory 104, a drive unit 106, and a display unit 108.
  • the input unit 100 allows commands for execution of the washing process, the rinsing process, and the dehydration process to be input by a user's operation.
  • the input unit 100 may be configured by a key, a button, a switch, a touch pad, or the like, and include all types of devices which may generate predetermined input data by operation such as push, contact, pressure, and rotation.
  • the input unit 100 includes a plurality of buttons (power, reservation, wash water temperature, soaking, washing, rinsing, dehydration, types of detergent, etc.) though which user's commands related to operation of the washing machine 1 are input.
  • buttons power, reservation, wash water temperature, soaking, washing, rinsing, dehydration, types of detergent, etc.
  • a course selection button is provided to select a washing course (a plurality of washing courses being a standard course, a wool course, a delicate course, and the like, and the washing course being, for example, the standard course selected by a user according to types of laundry) according to types of laundry inserted into the washing machine 1.
  • the control unit 102 is a microcomputer to control the overall operations, such as washing, rinsing, and dehydration, of the washing machine 1 according to operation information input from the input unit 100.
  • the control unit 102 sets an RPM and an operation ratio of the motor (an on/off time of the motor), a target water level (a target water level for washing and a target water level for rinsing), a washing time, a rinsing time, and the like.
  • control unit 102 causes weight of laundry to be accurately detected by primarily detecting weight of laundry according to driving of the motor 40 before the beginning of the washing process after insertion of laundry and then correcting the primary detected weight of laundry according to the number of supplies (resupplies) of water which is additionally supplied within a given time (approximately 15 minutes) after main water supply is completed during the washing process.
  • weight of laundry is primarily detected by, before the beginning of the washing process, driving the motor 40 to accelerate the drum 30 accommodating laundry to a certain speed and then applying any constant torque (or constant voltage) to use an acceleration time taken to reach the certain speed.
  • the taken acceleration time is proportional to weight of laundry
  • the weight of laundry is estimated using a weight reference table corresponding to the acceleration time.
  • main water supply is executed to supply water (wash water) until a target water level for washing set according to the primary detected weight of laundry.
  • the washing process is performed by driving the motor 40 to agitate and rotate the drum 30.
  • a water level is lowered as laundry absorbs water according to agitation and rotation of the drum 30. Therefore, water supply (water resupply) to additionally supply water (wash water) is executed according to a preset water supply condition (water level frequency for water supply start and stop). Since weight (an amount) of laundry is proportional to an amount of absorbing water from laundry, the weight of laundry may be determined according to the number of generations of water supply (water resupply). That is, since the number of generations of water supply (water resupply) varies according to weight of laundry, it may be determined whether an amount of laundry is small or large according to the number of generations of water supply.
  • the memory 104 may store set information such as control data to control operation of the washing machine 1, reference data used during operation control of the washing machine 1, operation data generated while the washing machine 1 performs a predetermined operation, and set data input by the input unit 100 such that the washing machine 1 performs a predetermined operation, use information including the number of particular operations performed by the washing machine 1 and model information of the washing machine 1, and failure information including a cause or position of erroneous operation during erroneous operation of the washing machine 1.
  • the drive unit 106 drives the motor 40, the water supply valve 52, the drainage pump 62, the detergent supply unit 70, and the like related to operation of the washing machine 1 according to a drive control signal of the control unit 102.
  • the display unit 108 displays an operation state of the washing machine 1 and an operation stats of a user according to a display control signal of the control unit 102.
  • FIGS. 4A and 4B are operation flowcharts illustrating a control method of the washing machine according to the embodiment of the present disclosure, and relate to an algorithm capable of detecting accurately weight of laundry by primarily detecting weight of laundry before the beginning of the washing process and correcting the primary detected weight of laundry during the washing process.
  • FIG. 5 is a table illustrating a weight detection result of laundry in the washing machine according to the embodiment of the present disclosure.
  • washing course a plurality of washing courses being a standard course, a wool course, a delicate course, and the like, and the washing course being, for example, the standard course selected by a user according to types of laundry
  • the operation information selected by a user is input to the control unit 102 through the input unit 100.
  • the control unit 102 drives the motor 40 in order to detect weight (a load amount) of laundry accommodated in the drum 30 (operation 202).
  • weight a load amount of laundry using a load cell, among the known methods.
  • control unit 102 primarily detects weight (a load amount) of laundry by driving the motor 40 before the beginning of the washing process (operation 204).
  • the primary detected weight (load amount) of laundry is detected as a small load, a middle load, and a large load, as shown in FIG. 5 .
  • the control unit 102 sets an RPM and an operation ratio of the motor (an on/off time of the motor), a target water level for washing, a target water level for rinsing, a washing time, a rinsing time, a detergent insertion amount (specifically, a detergent insertion time (ts)), and the like according to the detected weight (load amount) of laundry (operation 206).
  • an RPM and an operation ratio of the motor an on/off time of the motor
  • a target water level for washing a target water level for rinsing, a washing time, a rinsing time, a detergent insertion time (ts), and the like set according to weight (a load amount) of laundry may be changed according to a user's command.
  • control unit 102 operates the water supply valve 52 and the detergent supply unit 70 via the drive unit 106 in order to supply water (wash water) set according to weight (a load amount) of laundry or a user's command.
  • water (wash water) supplied through the external water supply tube passes through the water supply tube 51 and the detergent supply unit 70 to be supplied to the tub 20 together with detergent while the water supply valve 52 is opened.
  • control unit 102 detects a level of water supplied to the tub 20 through the water level sensor 80 to determine whether or not the detected water level is a set target water level (a target water level frequency), and then executes main water supply operation until the level of water supplied to the tub 20 reaches a set target water level (operation 208).
  • control unit 102 closes the water supply valve 52 to stop the main water supply operation.
  • control unit 102 When the main water supply is completed by reaching the target water level, the control unit 102 generates a water stream which transfers water (wash water + detergent) to the laundry to perform the washing process by driving the motor 40 at an RPM and an operation ratio of the motor set according to weight (a load amount) of laundry to agitate and rotate the drum 30 (operation 210).
  • the water level in the tub 20 is rapidly lowered when the weight (load amount) of laundry is a large load, and the water level in the tub 20 is slowly lowered when the weight (load amount) of laundry is a small load.
  • the control unit 102 detects a water level in the tub 20 lowered according to agitation and rotation of the drum 30 through the water level sensor 80 to determine whether or not the water level is a water supply start water level (a water supply start frequency in which water should be additionally supplied since the water level is lowered) (operation 212).
  • the control unit 102 stops the motor 40 via the drive unit 106 to stop the agitation and rotation of the drum 30 (operation 214) and opens the water supply valve 52 so as to execute the water supply operation to additionally supply water (operation 216).
  • the control unit 102 detects a water level in the tub 20 raised according to the water supply operation through the water level sensor 80 to determine whether or not the water level is a water supply stop water level (a water supply stop frequency in which additional water supply should be stopped since the water level is raised) (operation 218).
  • control unit 102 When the water level is determined to be not a water supply stop water level as a result of the determination of operation 218, the control unit 102 causes the operation to feed back to operation 216 and continuously executes the water supply operation. Meanwhile, when the water level is determined to be a water supply stop water level as a result of the determination of operation 218, the control unit 102 closes the water supply valve 52 via the drive unit 106 to stop the water supply operation (operation 220).
  • control unit 102 counts the number of generations of water supply according to execution and stop of the water supply operation (operation 222), and stores the counted number of generations of water supply in the memory 104.
  • control unit 102 counts an execution time of the water supply operation to determine whether or not a pre-given time (a time to count the number of generations of supply of water additionally supplied after the main water supply is completed; approximately 15 minutes) elapses (operation 224).
  • control unit 102 When it is determined that the given time does not elapse as a result of the determination of operation 224, the control unit 102 causes the operation to feed back to operation 210 and executes subsequent operation.
  • control unit 102 corrects the primary detected weight (load amount) of laundry according to the number of generations of water supply counted within the given time (operation 226), as shown in FIG. 5 .
  • a method of correcting the primary detected weight (load amount) of laundry is as follows.
  • the primary detected weight (load amount) of laundry is a "small load”
  • the primary detected weight (load amount) of laundry is a "small load” as it is, and when the number of generations of water supply is twice or more, it is finally determined that the primary detected weight (load amount) of laundry is a "middle load”.
  • the primary detected weight (load amount) of laundry is a "middle load"
  • the primary detected weight (load amount) of laundry is a "small load”
  • the primary detected weight (load amount) of laundry is a "middle load” as it is, and when the number of generations of water supply is four times or more, it is finally determined that the primary detected weight (load amount) of laundry is a "large load”.
  • the primary detected weight (load amount) of laundry is a "large load”
  • the primary detected weight (load amount) of laundry is a "middle load”
  • the number of generations of water supply is four times or more
  • the control unit 102 finally determines accurate weight of laundry by correcting the primary detected weight of laundry according to the number of generations of supply of water additionally supplied within a given time (approximately 15 minutes) during the washing process after the main water supply is completed.
  • the control unit 102 resets an RPM and an operation ratio of the motor (an on/off time of the motor), a target water level (a target water level for washing and a target water level for rinsing), a washing time, a rinsing time, and the like according to the finally determined weight (load amount) of laundry (operation 228).
  • control unit 102 performs a subsequent process (specifically, a washing process, a rinsing process, and a dehydration process) of the washing machine 1 using the RPM and the operation ratio of the motor (the on/off time of the motor), the target water level for washing, the target water level for rinsing, the washing time, and the rinsing time which are reset (operation 230).
  • a subsequent process specifically, a washing process, a rinsing process, and a dehydration process
  • the present disclosure has been described with respect to a horizontal-axis drum washing machine as an example, the present disclosure is not limited thereto.
  • the same object and effect as those of the present disclosure may also be achieved in a vertical-axis fully automatic washing machine.
  • a washing machine and a control method thereof it may be possible to more accurately detect weight (a load amount) of laundry accommodated in the washing machine by primarily detecting weight of laundry according to driving of a motor before the beginning of a washing process and correcting the primary detected weight of laundry according to the number of supplies (resupplies) of water which is additionally supplied within a given time after main water supply is completed during the washing process. Consequently, it may be possible to accurately set a use amount of water, a time (a washing time, a dehydration time, or a rinsing time), and an operation ratio of a motor according to weight of laundry, resulting in a reduction in energy use and an improvement in washing performance.
EP20140184829 2013-11-06 2014-09-15 Waschmaschine und Steuerungsverfahren dafür Withdrawn EP2871274A1 (de)

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KR1020130134434A KR20150052697A (ko) 2013-11-06 2013-11-06 세탁기 및 그 제어방법

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EP2871274A1 true EP2871274A1 (de) 2015-05-13

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EP3103907A1 (de) * 2015-06-08 2016-12-14 Miele & Cie. KG Wasserzulaufsteuerung für einen waschautomaten
EP3170934A1 (de) * 2015-11-18 2017-05-24 Miele & Cie. KG Wasserzulaufsteuerung
EP3241938A1 (de) 2016-05-06 2017-11-08 Electrolux Appliances Aktiebolag Verfahren zur steuerung einer waschmaschine und waschmaschine
CN109322105A (zh) * 2017-08-01 2019-02-12 无锡小天鹅股份有限公司 洗衣机及用于该洗衣机的控制方法及设备

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US10570543B2 (en) * 2016-10-06 2020-02-25 Emz-Hanauer Gmbh & Co. Kgaa Washing machine and method of controlling the washing machine
KR102557579B1 (ko) * 2018-08-23 2023-07-20 엘지전자 주식회사 의류 처리장치의 제어방법
CN111411475A (zh) * 2019-01-04 2020-07-14 青岛海尔洗衣机有限公司 用于洗涤设备的控制方法
KR20200144820A (ko) * 2019-06-19 2020-12-30 삼성전자주식회사 세탁기의 제어 방법 및 세탁기
CN112127091A (zh) * 2019-06-24 2020-12-25 合肥美的洗衣机有限公司 衣物处理设备的控制方法、装置、设备和可读存储介质
CN111501282A (zh) * 2020-04-09 2020-08-07 无锡小天鹅电器有限公司 洗涤设备的衣物量检测方法、装置、设备及存储介质
CN112481977B (zh) * 2020-11-20 2022-05-27 珠海格力电器股份有限公司 一种衣物烘干设备及其烘干控制方法、装置和存储介质
KR20230000820A (ko) * 2021-06-25 2023-01-03 삼성전자주식회사 세탁기 및 그 제어 방법

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