WO2023191437A1 - Appareil de traitement de vêtements - Google Patents

Appareil de traitement de vêtements Download PDF

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Publication number
WO2023191437A1
WO2023191437A1 PCT/KR2023/004078 KR2023004078W WO2023191437A1 WO 2023191437 A1 WO2023191437 A1 WO 2023191437A1 KR 2023004078 W KR2023004078 W KR 2023004078W WO 2023191437 A1 WO2023191437 A1 WO 2023191437A1
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WO
WIPO (PCT)
Prior art keywords
control unit
measurement
drum
tub
unbalance
Prior art date
Application number
PCT/KR2023/004078
Other languages
English (en)
Korean (ko)
Inventor
이상현
김영종
유인식
손민석
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2023191437A1 publication Critical patent/WO2023191437A1/fr

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    • 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 
    • D06F33/44—Control of the operating time, e.g. reduction of overall operating time
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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 
    • D06F33/48—Preventing or reducing imbalance or noise
    • 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
    • D06F34/16—Imbalance
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/36—Driving arrangements  for rotating the receptacle at more than one speed

Definitions

  • the present invention relates to a clothing processing device, which processes clothing accommodated inside a rotatable drum.
  • a clothing treatment device is a device that removes contamination from laundry by putting clothes, bedding, etc. (hereinafter referred to as laundry) into a drum.
  • the clothing processing device can perform processes such as washing, rinsing, dehydration, and drying.
  • the clothing processing device is divided into a top loading method and a front loading method based on the method of putting laundry into the drum. can be distinguished.
  • the laundry treatment device may include a housing that forms the exterior, a tub accommodated inside the housing, and a drum rotatably mounted inside the tub into which laundry is loaded.
  • the clothing treatment apparatus can perform various processing processes, such as a rinsing process for rinsing detergent or remaining foreign substances from the laundry and a spin-drying process for removing moisture from the laundry.
  • control unit of the laundry treatment device determines the unbalance of the laundry after draining before performing the spin-drying cycle, etc., and if the degree of unbalance is too high, water is supplied back into the tub and a de-fluiding operation is performed to resolve the unbalance. The process can be performed.
  • related document US 2017-02985531 A1 discloses a clothing treatment device that determines the degree of imbalance of clothing while washing water is supplied inside the tub.
  • the clothing treatment device in the related literature determines the degree of unbalance of the clothes while washing water is supplied to the tub, and if the degree of unbalance is below the standard value, performs a spin-drying cycle after draining the clothes.
  • the method of determining unbalance when washing water is supplied to the tub is different from the drain state and environmental conditions, making it difficult to measure unbalance assuming the drain state.
  • Embodiments of the present invention seek to provide a laundry treatment device that can efficiently measure the degree of imbalance in laundry.
  • embodiments of the present invention seek to provide a clothing treatment device that can effectively prevent waste of washing water.
  • embodiments of the present invention seek to provide a laundry treatment device that can effectively prevent unnecessary increases in the time required to process laundry.
  • embodiments of the present invention seek to provide a clothing treatment device that can efficiently perform a flapping process depending on the degree of unbalance of the laundry.
  • a clothing processing device performs an unbalance measurement process to measure the imbalance of clothing accommodated inside a drum.
  • water is contained inside the drum, and the control unit performs a measurement preparation process to measure the imbalance of the drainage environment in the presence of water.
  • control unit controls the drive unit to perform an alpha motion that rotates the drum in one direction to create a state close to the drainage environment.
  • the unbalance measurement standard can be corrected by reflecting the water level inside the tub and/or the moisture content of clothing. During the unbalance measurement process, the water level inside the tub can also be adjusted depending on the amount of clothing or moisture content.
  • embodiments of the present invention when the degree of unbalance is high, can perform an unwinding process in which the rotation speed or rotation angle of the drum is adjusted according to the degree of unbalance, and when the degree of unbalance is too high, the clothes are unwrapped before the unbalancing process. You can also perform a batch process to initialize the batch.
  • the laundry treatment device includes a cabinet, a tub, a drum, a driving unit, and a control unit.
  • a tub is provided inside the cabinet and contains water.
  • a drum is provided inside the tub and clothes are accommodated therein.
  • the driving unit is provided inside the cabinet and provides rotational force to the drum.
  • the control unit controls the driving unit to rotate the drum and perform a dehydration process for clothes.
  • the control unit performs an unbalance measurement process to measure the imbalance of the clothing before the dehydration process, and the control unit determines that the maximum rotation speed of the drum is the first rotation speed while water is contained inside the tub before performing the imbalance measurement process. It corresponds to and performs a measurement preparation process with continuous rotation in one direction.
  • the control unit performs the unbalance measurement process after the measurement preparation process, and in the unbalance measurement process, the maximum rotation speed of the drum corresponds to a second rotation speed that is lower than the first rotation speed, and
  • the driving unit is controlled to rotate continuously in one direction.
  • One embodiment of the present invention may further include a drain unit connected to the tub to drain water in the tub to the outside of the cabinet, and a vibration measurement unit mounted on the drum or tub to measure the amount of vibration.
  • control unit may control the drain unit to drain all water from the tub and perform the dehydration process.
  • the controller may correct the reference vibration value to be lower as the water level in the tub rises.
  • the control unit may correct the reference vibration value to be lower as the moisture content of the clothes inside the drum increases.
  • the control unit may perform a moisture rate determination process to measure the moisture rate of clothes inside the drum before the dehydration process.
  • One embodiment of the present invention may further include a water level measurement unit mounted on the tub and measuring the water level of the tub.
  • the controller may continuously rotate the drum in one direction or the other direction while water is contained in the tub and determine the moisture content of the clothing through the measured value of the water level measuring unit.
  • control unit may control the drive unit to perform an unbalance improvement process to reduce the imbalance of the clothing.
  • control unit may perform the measurement preparation process and the unbalance measurement process again.
  • control unit controls the driving unit so that the maximum rotation speed of the drum corresponds to the third rotation speed, the rotation angle corresponds to the first rotation angle, and the rotation direction alternates between the one direction and the other direction.
  • a controlled unwinding process can be performed.
  • control unit may correct such that as the measurement value of the vibration measuring unit increases, at least one of the third rotation speed and the first rotation angle increases.
  • the control unit determines that the maximum rotation speed and rotation angle of the drum are different from the unwinding process in the unbalance improvement process. You can perform the pouch placement process that is set up accordingly.
  • the controller determines that the maximum rotation speed of the drum corresponds to a fourth rotation speed that is lower than the third rotation speed, and that the rotation angle corresponds to a second rotation angle that is greater than the first rotation angle,
  • the driving unit may be controlled so that the rotation direction alternates between the one direction and the other direction.
  • control unit may omit the foam placement process in the imbalance improvement process and perform the foam unwinding process.
  • control unit may perform the cloth unwinding process after performing the cloth placement process in the imbalance improvement process.
  • the control unit performs a washing cycle in which detergent is injected into the tub before the dehydration cycle to wash the clothes, and after the washing cycle, a rinsing cycle in which detergent and contaminants before the dehydration cycle are separated from the clothes and discharged to the outside of the tub. It can be done.
  • the control unit may perform the measurement preparation process and the imbalance measurement process in at least one of the washing cycle and the rinsing cycle and the rinsing cycle and the dehydration cycle.
  • One embodiment of the present invention may further include a drain unit connected to the tub to drain water from the tub to the outside of the cabinet, and a water level measurement unit mounted on the tub and measuring the water level of the tub,
  • the control unit may perform a water level preparation process of controlling the drain unit so that the water level of the tub corresponds to the measurement water level for unbalance measurement before performing the measurement preparation process.
  • control unit may correct the measured water level to be higher as the weight or moisture content of clothes contained in the drum increases.
  • Embodiments of the present invention can provide a laundry treatment device that can efficiently measure the degree of imbalance in laundry.
  • embodiments of the present invention can provide a clothing treatment device that can effectively prevent waste of washing water.
  • embodiments of the present invention can provide a laundry treatment device that can effectively prevent unnecessary increases in the time required for processing laundry.
  • embodiments of the present invention can provide a laundry treatment device that can efficiently perform a flapping process depending on the degree of imbalance of laundry.
  • FIG. 1 is a perspective view showing the appearance of a clothing treatment device according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view showing the interior of a clothing treatment device according to an embodiment of the present invention.
  • Figure 3 is an operational diagram showing a clothing processing process in a clothing processing device according to an embodiment of the present invention.
  • Figure 4 is an operational diagram showing each process included in the unbalance response process of Figure 3.
  • Figure 5 is a graph showing the change in vibration value according to the rotation speed of the drum in one embodiment of the present invention.
  • Figure 6 is a graph showing the change in rotation speed of the drum during the unbalance measurement process in one embodiment of the present invention.
  • Figure 7 is a graph showing the drum rotation speed in the unbalance improvement process performed when the vibration value of the drum exceeds the additional vibration value in one embodiment of the present invention.
  • Figure 8 is a graph showing the drum rotation speed during the cloth placing process and the cloth unwinding process in one embodiment of the present invention.
  • Figure 9 is a graph showing the drum rotation speed of the unbalance improvement process performed when the vibration value of the drum exceeds the reference vibration value and is below the additional vibration value in one embodiment of the present invention.
  • Figure 10 is a flowchart showing a control method of a clothing treatment device according to an embodiment of the present invention.
  • a component when a component is mentioned as being 'connected' or 'connected' to another component, it may be directly connected or connected to the other component, but may be connected to the other component in the middle. It should be understood that may exist. On the other hand, in this specification, when it is mentioned that a component is 'directly connected' or 'directly connected' to another component, it should be understood that there are no other components in between.
  • 'and/or' includes a combination of a plurality of listed items or any of the plurality of listed items.
  • 'A or B' may include 'A', 'B', or 'both A and B'.
  • FIG. 1 shows the appearance of a clothing treatment device 1 according to an embodiment of the present invention.
  • a clothing treatment device 1 according to an embodiment of the present invention includes a cabinet 10.
  • the cabinet 10 may have a space inside which the tub 20 and the drum 30 are placed.
  • the cabinet 10 may have a substantially polyhedral shape, and FIG. 1 shows a cabinet 10 having a rectangular parallelepiped shape according to an embodiment of the present invention.
  • the cabinet 10 may be formed by combining a plurality of plates.
  • the cabinet 10 may include a front plate, a rear plate, a side plate, a top plate, and a bottom plate.
  • Cabinet 10 may include garment opening 12 .
  • the clothing opening 12 may correspond to a hole that communicates the outside and inside of the cabinet 10, and the user can insert clothing from the outside of the cabinet 10 into the cabinet 10 through the clothing opening 12. You can.
  • the clothing opening 12 may be formed in the top plate. That is, the laundry treatment device 1 according to an embodiment of the present invention may be a top loader type in which the rotation axis of the drum 30 points upward from the ground.
  • An embodiment of the present invention is not necessarily limited to a top loader, and therefore, an embodiment of the present invention may be a front loader type. However, for convenience of explanation, the following will be based on the top loader type as shown in FIG. 1. Explain.
  • the cabinet 10 may be equipped with a clothing door 14.
  • the clothing door 14 may be a means of opening and closing the clothing opening 12 and may be rotatably coupled to the cabinet 10.
  • the clothing door 14 is rotatably coupled to the top plate of the cabinet 10 and can open or close the clothing opening 12 depending on the rotation state.
  • the cabinet 10 may be provided with a control unit 16 at least partially exposed to the outside.
  • the control unit 16 may provide various information to the user or a command signal may be input by the user.
  • control unit 16 may include a display unit that provides visual information to the user and a speaker unit that provides auditory information, and may include various buttons that are operated by the user to generate command signals.
  • the cabinet 10 may be provided with a detergent supply unit 18.
  • the detergent supply unit 18 may be exposed to the outside of the cabinet 10 or may be provided inside the cabinet 10.
  • Figure 1 shows a detergent supply unit 18 provided inside the cabinet 10 according to an embodiment of the present invention.
  • the detergent supply unit 18 is located at the top inside the cabinet 10, and the user can access the detergent supply unit 18 through the clothing opening 12 by opening the clothing door 14. The user can supply detergent to the detergent supply unit 18, and the detergent supplied to the detergent supply unit 18 can be supplied into the drum 30 during the clothing processing process.
  • FIG. 2 shows the interior of a clothing treatment device 1 according to an embodiment of the present invention.
  • an embodiment of the present invention may include a drum 30 and a tub 20.
  • the tub 20 is provided inside the cabinet 10 and can contain water therein.
  • the water contained inside the tub 20 may correspond to washing water.
  • the tub 20 may include a tub opening 25 that opens toward the clothing opening 12 .
  • the tub 20 may be provided in a cylindrical shape and a tub opening 25 may be formed on the upper surface.
  • the drum 30 may be provided inside the tub 20 and may be installed to be rotatable.
  • the drum 30 may have a space formed therein to accommodate clothing.
  • the drum 30 may include a drum opening 35 that opens toward the clothing opening 12 and the tub opening 25.
  • the drum 30 may be provided with the drum opening 35 on one side, and the opposite side located on the opposite side of the one side may be connected to the driving unit 60.
  • the drum 30 may be provided with the drum opening 35 on its upper surface, and its lower surface may be connected to the driving unit 60 to receive rotational force.
  • the drum opening (35) is positioned to face the clothing opening (12) and the tub opening (25) so that clothing input from the outside of the cabinet (10) enters the clothing opening (12), the tub opening (25), and the drum opening (35). It can be accommodated inside the drum 30.
  • a plurality of holes may be formed on the peripheral surface of the drum 30. Accordingly, water contained inside the tub 20 may flow into the inside of the drum 30 through the hole formed on the peripheral surface of the drum 30, and clothing may be submerged in water inside the drum 30. .
  • One embodiment of the present invention may include a water supply unit 40 and a drainage unit 50.
  • the water supply unit 40 is connected to an external water supply source located outside the cabinet 10 and can receive water from the outside, and can deliver water supplied from the external water supply source to the inside of the tub 20.
  • the drain unit 50 is connected to the tub 20 and can discharge water inside the tub 20 to the outside of the cabinet 10.
  • the drain unit 50 may include a drain pump, etc., and can discharge water inside the tub 20 to the outside of the cabinet 10 as the washing course ends.
  • One embodiment of the present invention may include a driving unit 60.
  • the driving unit 60 may be provided inside the cabinet 10 and connected to the drum 30.
  • the driving unit 60 is located on the outside of the tub 20, for example, on the lower side of the tub 20, and the drive shaft may pass through the tub 20 and be connected to the lower surface of the drum 30.
  • One embodiment of the present invention may include a control unit 100.
  • the control unit 100 may be signally connected to the control unit 16, the water supply unit 40, the drain unit 50, the drive unit 60, etc.
  • the control unit 100 can receive a user's command signal from the control unit 16 and perform a washing course, etc., and can also provide status information of the washing course to the user through the control unit 16.
  • the control unit 100 controls the water supply valve of the water supply unit 40 to control the flow of water supplied to the tub 20, and controls the drain pump of the drainage unit 50 to control the flow of water discharged from the tub 20. Flow can also be controlled.
  • One embodiment of the present invention may further include a vibration measuring unit 70.
  • the vibration measuring unit 70 may be provided to measure vibration generated from the drum 30.
  • the vibration measuring unit 70 may be provided in various types that can measure displacement or vibration.
  • the vibration measuring unit 70 may be provided directly on the drum 30 or may be provided on the tub 20, the cabinet 10, or the driving unit 60 to measure the amount of vibration generated from the drum 30.
  • Figure 2 shows a vibration measuring unit 70 provided on the bottom of the tub 20 from the outside of the tub 20 according to an embodiment of the present invention, but is not necessarily limited to this location.
  • the vibration measurement unit 70 is signally connected to the control unit 100 and can transmit the measured vibration value (V) to the control unit 100, and the control unit 100 can transmit the measured vibration value (V) of the vibration measurement unit 70. It can be used to perform laundry courses, etc.
  • One embodiment of the present invention may include a water level measuring unit 80.
  • the water level measuring unit 80 may be provided to measure the level of water contained in the tub 20.
  • the water level measuring unit 80 may be provided in various types and shapes to measure the water level of the tub 20.
  • the water level measuring unit 80 is provided on the tub 20 or drum 30 to directly measure the water level, or is provided to measure the load inside the tub 20, so that the water level measuring unit 80 or the control unit 100 is installed in the tub 20 or the drum 30.
  • the water level can also be calculated from the measured value in (80).
  • the clothing treatment device 1 may include a plurality of treatment courses for treating clothing, and the plurality of treatment courses may include a washing course, a rinsing course, and a spin-drying course.
  • FIG. 3 shows the operation process for the washing course among the plurality of treatment courses.
  • a washing course for washing clothes may include at least one or more processing steps, and each of the plurality of processing steps may include one or more processing steps.
  • the washing course for clothes includes a washing cycle (P10), and may further include at least one of a rinsing cycle (P20) and a spin-drying cycle (P30).
  • P10 a washing cycle
  • P20 a rinsing cycle
  • P30 a spin-drying cycle
  • the above imbalance response administration (P100) may be further included.
  • the washing process (P10) is an process that removes contaminants from clothes.
  • the control unit 100 supplies detergent into the drum 30 through the detergent supply unit 18, supplies water into the tub 20 through the water supply unit 40, and drives the drive unit 60.
  • Control can be used to rotate the drum 30 to remove contaminants from clothing. That is, the washing process (P10) may include a detergent supply process, a water supply process, a washing process, and a drainage process.
  • the rinsing process (P20) is an process that rinses away contaminants and detergents separated from clothes.
  • the control unit 100 supplies water into the tub 20 during the rinse cycle and rotates the drum 30 to rinse contaminants or detergents from clothes. That is, the rinsing process (P20) may include a water supply process, a rinsing process, and a drainage process.
  • the dehydration process (P30) is a process that removes moisture from clothes.
  • the control unit 100 may rotate the drum 30 in the dehydration process (P30) to perform a dehydration process to separate and remove moisture from clothes through centrifugal force.
  • the unbalance response process (P100) is an process that determines the imbalance of clothing stored inside the drum 30 and improves the degree of imbalance if necessary.
  • Figure 3 shows an imbalance response stroke (P100) performed before the rinsing stroke (P20) and before the dehydration stroke (P30) according to an embodiment of the present invention.
  • the number and timing of the imbalance response stroke (P100) is necessarily limited to this. It doesn't work.
  • FIG. 4 shows each process that can be performed in the imbalance response process (P100) according to an embodiment of the present invention.
  • the control unit 100 may perform an imbalance response stroke (P100) before performing the dehydration stroke (P30), and the imbalance response stroke (P100) may be performed during the measurement preparation process (P120). ) and unbalance measurement process (P130).
  • the unbalance measurement process (P130) corresponds to a process in which the control unit 100 determines the even distribution of clothes stored inside the drum 30. That is, the control unit 100 can determine the degree of unbalance of the clothing and respond accordingly.
  • the load on the driving unit 60 increases excessively, a short-circuit phenomenon in the driving unit 60 may occur. Furthermore, the amount of vibration generated by the drum 30 increases during rotation, which may generate noise and cause discomfort to the user.
  • control unit 100 can determine the degree of unbalance of the clothing through the unbalance measurement process (P130) and adjust subsequent processes by reflecting this.
  • the control unit 100 may perform an unbalance improvement process (P140) to reduce the unbalance.
  • P140 is a process of adjusting the distribution of clothing, it can be performed with water present inside the tub 20 to facilitate movement of the clothing.
  • unbalance can be measured to reduce the load on the driving unit 60 generated when the drum 30 rotates, and therefore the degree of unbalance is determined by the dehydration stroke (dehydration stroke) where the rotation speed of the drum 30 is high or the rotation angle is large. Its importance may be high in performance such as P30).
  • the unbalance measurement process (P130) in order to prevent waste of water and minimize time consumption, the unbalance measurement process (P130) is performed with water present inside the tub 20, but drainage is performed even in the presence of water.
  • the measurement preparation process (P120) can be performed before performing the unbalance measurement process (P130).
  • the measurement preparation process (P120) corresponds to a process of preparing for measurement so that the unbalance measurement result of clothing in the presence of water corresponds to a result close to the result in a state in which all the water has been drained, and the measurement A detailed explanation of the preparation process (P120) is provided later.
  • the imbalance response process (P100) may further include a water level preparation process (P110) or an imbalance improvement process (P140) as needed, and detailed descriptions thereof will also be provided later.
  • P110 water level preparation process
  • P140 imbalance improvement process
  • Figure 5 shows a graph showing the rotation speed of the drum 30 that can be used during the unbalance measurement process (P130) in one embodiment of the present invention.
  • control unit 100 may determine unbalance based on the amount of vibration generated when the drum 30 rotates.
  • the amount of vibration can be measured by the vibration measurement unit 70 described above.
  • the control unit 100 may rotate the drum 30 in the unbalance measurement process (P130) to generate vibration of the drum 30.
  • the amount of vibration of the drum 30 may have a proportional relationship with the degree of unbalance of the clothing, but may not have a proportional relationship with the rotation speed of the drum 30.
  • the horizontal axis represents RPM corresponding to the rotational speed of the drum 30, and the vertical axis represents the vibration value (V) measured by the vibration measuring unit 70.
  • the vibration value (V) measured when water is present inside the tub 20 may tend to decrease compared to the drained state, so the measurement sensitivity of the vibration value (V) in one embodiment of the present invention. can be important to improve.
  • control unit 100 controls the drive unit 60 so that the RPM of the drum 30 follows the optimal RPM (A) that most sensitively represents the vibration value (V) in the unbalance measurement process (P130). can be controlled.
  • the RPM used in the unbalance measurement process (P130) does not necessarily have to correspond to the RPM at which the vibration value (V) is the highest in the graph of FIG. 5, and the RPM at which the highest vibration value (V) is measured is
  • the optimal RPM(A) may be determined within an arbitrary range, or the optimal RPM(A) may be determined considering control strategy aspects.
  • Figure 6 is a graph showing the RPM change according to the measurement preparation process (P120) and the unbalance measurement process (P130) in one embodiment of the present invention.
  • the measurement preparation process (P120) and unbalance measurement process (P130) of the present invention will be described in detail as follows.
  • an embodiment of the present invention may include the above-described cabinet 10, tub 20, drum 30, driving unit 60, and control unit 100.
  • the tub 20 is provided inside the cabinet 10 and can contain water.
  • the drum 30 is provided inside the tub 20 and can accommodate clothing.
  • the driving unit 60 is provided inside the cabinet 10 and can provide rotational force to the drum 30.
  • the control unit 100 controls the driving unit 60 to rotate the drum 30 and performs a clothes spin-drying process (P30).
  • control unit 100 may perform an imbalance measurement process (P130) to measure the imbalance of clothing before the spin-drying process (P30).
  • the control unit 100 determines that the maximum rotation speed of the drum 30 corresponds to the first rotation speed and continues in one direction while water is contained inside the tub 20.
  • the rotating measurement preparation process (P120) can be performed.
  • Figure 6 shows the RPM change during the measurement preparation process (P120).
  • One embodiment of the present invention rotates the drum 30 at a first rotational speed in the measurement preparation process (P120), thereby moving the clothing to the circumference of the drum 30 to amplify the imbalance even in the presence of water. You can.
  • one embodiment of the present invention performs a measurement preparation process (P120) in which the drum 30 is rotated at a first rotational speed. By moving the clothing to the circumference of the drum 30, the degree of unbalance of the clothing is increased and the vibration value (V) is brought closer to the measurement result in the drained state.
  • the first rotation speed can be determined based on theoretical/experimental results and can be determined in various ways by considering control strategy aspects.
  • the first rotation speed may correspond to the maximum rotation speed of the drum 30 in the measurement preparation process (P120).
  • the drum 30 may be continuously rotated in one direction so that the clothing is effectively moved toward the circumference of the drum 30.
  • the one direction may be clockwise or counterclockwise.
  • the rotation time of the drum 30 may be set in advance in the control unit 100.
  • the first rotation speed or rotation time may be corrected based on the moisture content or weight of the clothing.
  • control unit 100 may perform the measurement preparation process (P120) by increasing the first rotation speed or rotation time when the amount of laundry is greater than the reference value.
  • a specific rotation speed or measured value may be understood as a representative value that reflects the concept represented by the value based on a range including the value or a range including the value instead of a single value.
  • control unit 100 performs the unbalance measurement process (P130) after the measurement preparation process (P120), and determines the maximum rotation of the drum 30 in the unbalance measurement process (P130).
  • the speed corresponds to a second rotation speed that is lower than the first rotation speed, and the drive unit 60 can be controlled to rotate continuously in either one direction or the other direction.
  • control unit 100 may perform the above-described unbalance measurement process (P130) when the measurement preparation process (P120) is completed.
  • the control unit 100 continuously rotates the drum 30 in one direction or the other direction in the unbalance measurement process (P130), and at this time, the maximum rotation speed of the drum 30 may correspond to the second rotation speed.
  • the second rotation speed may be lower than the first rotation speed, which is the rotation speed of the drum 30 in the measurement preparation process (P120).
  • the second rotation speed may correspond to the optimal RPM (A) at which the vibration value (V) is amplified, as described with reference to FIG. 5, and the first rotation speed is the second rotation speed to induce movement of the clothing. It may correspond to a higher value than speed.
  • the load on the drive unit 60 for the dehydration stroke (P30) can be determined in advance and reflected by performing an unbalance measurement process (P130) before the dehydration stroke (P30).
  • P130 unbalance measurement process
  • the unbalance measurement process (P130) with water present inside the tub 20, there is no need to supply water to the inside of the tub 20 again when improvement of the imbalance is required, thereby preventing waste of water and washing. The course time can be effectively shortened.
  • the degree of unbalance determined through the vibration value (V) in the presence of water is effectively reflected in the results of the drainage state. You can get close.
  • one embodiment of the present invention can effectively move clothing to the circumference of the drum 30 by rotating the drum 30 at a first rotational speed in the measurement preparation process (P120), and in the unbalance measurement process (P130) By rotating the drum 30 at a second rotation speed that is lower than the first rotation speed, the vibration value (V) of the drum 30 can be precisely measured.
  • an embodiment of the present invention may further include a drain unit 50 and a vibration measurement unit 70, as described above.
  • the drain unit 50 is connected to the tub 20 and can drain water from the tub 20 to the outside of the cabinet 10.
  • the vibration measuring unit 70 can be mounted on the drum 30 or the tub 20 to measure the amount of vibration.
  • the control unit 100 controls the drain unit 50 to control the tub 20. ) can drain all the water and perform the dehydration process (P30).
  • the reference vibration value (V1) can be determined theoretically/experimentally.
  • the reference vibration value (V1) may correspond to a vibration value (V) corresponding to a state in which the load of the driving unit 60 increases beyond a predetermined value in the dehydration process (P30).
  • control unit 100 controls the load of the drive unit 60 in the dehydration stroke (P30) when the vibration value (V) measured in the unbalance measurement process (P130) is less than or equal to the preset reference vibration value (V1). It is determined that the situation in which the is abnormally high has been prevented, the drain unit 50 is controlled to discharge all the water in the tub 20, and then the dehydration process (P30) can be performed.
  • the horizontal axis corresponds to time
  • the left vertical axis corresponds to the vibration value (V)
  • the right vertical axis corresponds to the RPM of the drum 30.
  • Figure 6 shows a case where the vibration value (V) measured in the unbalance measurement process (P130) performed after the measurement preparation process (P120) according to an embodiment of the present invention is below the reference vibration value (V1).
  • control unit 100 may correct the reference vibration value V1 to be lower as the water level of the tub 20 increases.
  • the water level in the tub 20 may change depending on the amount of laundry accommodated inside the drum 30 or the user's settings. However, if the water level of the tub 20 changes, the measured vibration value (V) may change even with the same amount of laundry and degree of unbalance.
  • the higher the water level of the tub 20 the higher the above-mentioned reference vibration value (V1) is corrected to a lower value to improve reliability. You can.
  • One embodiment of the present invention may perform a laundry weight measurement process to measure the weight of the laundry before the imbalance measurement process (P130).
  • the laundry weight measurement process may be performed in one or more of the washing cycle (P10), rinsing cycle (P20), and dehydration cycle (P30).
  • the control unit 100 may perform a laundry weight measurement process before the water supply process during the washing cycle (P10).
  • the clothing weight measurement process can be performed in a variety of ways to measure the amount or load of clothing.
  • control unit 100 may calculate the laundry weight through the load on the driving unit 60 generated by rotating the drum 30 during the laundry weight measurement process, for example, the current value or voltage value of the driving unit 60.
  • control unit 100 may correct the reference vibration value (V1) to be lower as the moisture content of the clothes inside the drum 30 increases.
  • the amount of moisture removed from the clothes during the dehydration process (P30) is large. Accordingly, as the dehydration process (P30) progresses, moisture is removed and the degree of unbalance in the clothes may increase. there is.
  • an embodiment of the present invention corrects the reference vibration value (V1) to a lower level as the moisture content of clothing increases, thereby ensuring reliability of the results of the unbalance measurement process (P130) and stability of the dehydration stroke (P30). can be secured.
  • control unit 100 may perform a moisture content determination process to measure the moisture content of clothes inside the drum 30 before the dehydration process (P30).
  • the moisture content determination process may be performed in at least one of the washing process (P10), the rinsing process (P20), and the imbalance response process (P100).
  • the moisture content determination process can be performed in various ways.
  • the control unit 100 may determine the moisture content using the load or load measurement value of the driving unit 60 that changes while rotating the drum 30 at a rotational speed above a certain level.
  • one embodiment of the present invention further includes the water level measurement unit 80 described above, and the control unit 100 may determine the moisture content through the measured value of the water level measurement unit 80.
  • the water level measuring unit 80 is mounted on the tub 20 and can measure the water level of the tub 20.
  • the control unit 100 measures the water level measurement unit 80 while continuously rotating the drum 30 in one direction or the other direction while water is contained within the tub 20. The value can be used to determine the moisture content of clothing.
  • the control unit 100 can determine the moisture content of the clothing through the measured value of the water level measurement unit 80.
  • FIG. 7 shows a graph in which the vibration value (V) measured in the unbalance measurement process (P130) exceeds the reference vibration value (V1) according to an embodiment of the present invention.
  • the control unit 100 By controlling the driving unit 60, an imbalance improvement process (P140) can be performed to reduce the imbalance of clothing.
  • the unbalance improvement process (P140) corresponds to a process in which the control unit 100 controls the drive unit 60 to control the rotation speed, rotation direction, and rotation angle of the drum 30 to reduce the imbalance of clothing.
  • the load acting on the drive unit 60 during the dehydration process (P30), etc. may exceed the preset limit load. Additionally, a short-circuit phenomenon in the driving unit 60 may occur.
  • the control unit 100 can reduce the degree of unbalance of the clothing through the unbalance improvement process (P140) and perform the spin-drying process (P30). There can be various ways to improve the distribution of clothing in the imbalance improvement process (P140).
  • control unit 100 controls the driving unit 60 to alternately rotate the drum 30 in one direction and the other direction according to a preset rotation speed, thereby improving the unbalance of the clothing.
  • the rotation speed and rotation angle of the drum 30 may vary.
  • control unit 100 may control the control unit 16 to transmit visual or auditory information requesting rearrangement of clothing to the user.
  • control unit 100 may perform the measurement preparation process (P120) and the unbalance measurement process (P130) again after performing the unbalance improvement process (P140). Even after the imbalance improvement process (P140), there may be cases in which the imbalance of clothing is not reduced below a certain level.
  • control unit 100 can reconfirm the degree of unbalance by performing the measurement preparation process (P120) and the unbalance measurement process (P130) after performing the unbalance improvement process (P140).
  • One embodiment of the present invention measures the unbalance in the presence of water in the tub 20 in the unbalance measurement process (P130), so the unbalance measurement process is performed quickly and efficiently without performing water supply or drainage after the unbalance improvement process (P140). (P130) can be performed again.
  • the unbalance improvement process (P140) corresponds to the process of dispersing the clothes inside the drum 30, and therefore, before the unbalance measurement process (P130), the control unit 100 again goes through the measurement preparation process (P120) to place the clothes on the drum ( By moving to the circumference of 30), a measurement value corresponding to the drainage condition can be obtained.
  • Figure 8 shows a graph showing the drum 30 RPM of the cloth placement process (P142) and the cloth unwinding process (P144) included in the unbalance improvement process (P140) in one embodiment of the present invention.
  • the horizontal axis corresponds to time
  • the vertical axis corresponds to RPM.
  • the control unit 100 determines that the maximum rotation speed of the drum 30 corresponds to the third rotation speed and the rotation angle corresponds to the first rotation angle.
  • the cloth unwinding process (P144) can be performed by controlling the driving unit 60 so that the rotation direction alternates between the one direction and the other direction.
  • the unwinding process (P144) may correspond to the process of unpacking clothes that are clumped together and increase unbalance.
  • the control unit 100 can control the driving unit 60 to implement the motion of the drum 30 that agitates the clothes.
  • control unit 100 can rotate the drum 30 alternately in one direction and the other direction, and implements the rotation angle in one direction as a preset first rotation angle, and the rotation speed as the third rotation speed. It can be implemented.
  • the first rotation angle and the third rotation speed can be determined in various ways.
  • the third rotation speed may be set to be the same as the above-described first rotation speed and the second rotation speed, or may be set differently.
  • Figure 7 shows the RPM of the unwinding process (P144) in which the third rotation speed is set higher than the first rotation speed and the second rotation speed so that the clothing unraveling phenomenon occurs effectively.
  • control unit 100 may correct so that at least one of the third rotation speed and the first rotation angle increases as the measurement value of the vibration measurement unit 70 increases.
  • control unit 100 sets the third rotation speed and the first rotation speed so that the larger the vibration value (V) measured by the vibration measurement unit 70 in the unbalance measurement process (P130), the greater the loosening phenomenon of the clothing. At least one of the rotation angles may be increased.
  • the control unit 100 improves the unbalance.
  • the cloth placement process (P142) can be performed in which the maximum rotation speed and rotation angle of the drum 30 are set differently from the cloth unwinding process (P144).
  • FIG 7 shows a state in which the vibration value (V) measured in the unbalance measurement process (P130) exceeds the additional vibration value (V2), and accordingly, the cloth placement process (P142) is performed in the unbalance improvement process (P140).
  • the RPM of the drum 30 is shown.
  • the additional vibration value (V2) may correspond to a higher value than the reference vibration value (V1).
  • the specific determination of the additional vibration value (V2) can be determined in various ways theoretically/experimentally.
  • the additional vibration value (V2) may correspond to the degree of unbalance where a short circuit of the drive unit 60 is expected in the dehydration stroke (P30)
  • the reference vibration value (V1) may correspond to the degree of unbalance of the drive unit 60 in the dehydration stroke (P30). If the load exceeds a preset standard value, it may correspond to a degree of unbalance where damage to the driving unit 60 or excessive power consumption is expected.
  • the imbalance improvement process (P140) may include the cloth unwinding process (P144) and the cloth placement process (P142).
  • the drum 30 may be rotated at a different rotation speed and rotation angle than the cloth unwinding process (P144).
  • control unit 100 may perform the cloth unwinding process (P144) after performing the cloth placement process (P142) in the imbalance improvement process (P140).
  • the unwinding process (P144) may be a process of unraveling relatively locally bundled clothing, and the wrapping process (P142) may be a process of relatively uniformly rearranging the entire clothing.
  • One embodiment of the present invention unravels the clothing as a whole through the wrapping process (P142) to induce rearrangement, and additionally unwraps some of the clothing through the wrapping process (P144), thereby adjusting the degree of unbalance of the clothing in various ways. can be effectively reduced.
  • the control unit 100 sets the fourth maximum rotation speed of the drum 30 lower than the third rotation speed. It corresponds to the rotation speed, the rotation angle corresponds to the second rotation angle greater than the first rotation angle, and the driving unit 60 can be controlled so that the rotation direction alternates between the one direction and the other direction.
  • the fabric placement process (P142) is intended to resolve the situation where a certain amount of clothing is piled up on one side of the drum 30, so the drum 30 rotates at a second rotation angle larger than the fabric unwinding process (P144). It can be.
  • the third rotation speed is lower than the third rotation speed of the fabric unwinding process (P144) so that the movement of clothing can be effectively induced.
  • the drum 30 can be rotated at a speed of 4 rotations.
  • the cloth placing process (P142) rotates the drum 30 with a large rotational displacement at a lower speed compared to the cloth unwinding process (P144), so that the clothes inside the drum 30 generally follow the circumferential direction of the drum 30. By moving it, the distribution can be improved.
  • Figure 9 shows a graph showing the RPM of the imbalance improvement process (P140) including the cloth unwinding process (P144) excluding the cloth placing process (P142) in one embodiment of the present invention.
  • the control unit 100 determines that the measured value of the vibration measurement unit 70 exceeds the reference vibration value (V1) in the unbalance measurement process (P130) and the additional If it is less than the vibration value (V2), the cloth placement process (P142) can be omitted in the imbalance improvement process (P140) and the cloth unwinding process (P144) can be performed.
  • the imbalance improvement process (P140) can be adjusted according to the magnitude of the vibration value (V).
  • the rotation angle and rotation speed as well as the content performed may vary depending on the magnitude of the vibration value (V).
  • an imbalance improvement process (P140) is performed including a cloth placement process (P142) and a cloth unwinding process (P144).
  • P142 cloth placement process
  • P144 cloth unwinding process
  • the vibration value (V) exceeds the standard vibration value (V1), it is necessary to perform the unbalance improvement process (P140) to reduce unbalance. However, the vibration value (V) that does not exceed the additional vibration value (V2) is included. It can be understood as a case where there is no need to consider rearrangement, and accordingly, the gun placement process (P142) can be omitted in the unbalance improvement process (P140).
  • the foam placement process (P142) and performing the foam unwinding process (P144) in the imbalance improvement process (P140) does not mean that other additional improvement processes are excluded. For example, even if the vibration value (V) exceeds the reference vibration value (V1) and is below the additional vibration value (V2), the unbalance improvement process (P140) is performed in addition to the cloth placement process (P142) and the cloth unwinding process (P144). It may also include a process to resolve the imbalance.
  • the control unit 100 may perform the cloth unwinding process (P144) multiple times instead of the cloth placement process (P142).
  • Figure 9 shows the RPM at which the cloth unwinding process (P144) is repeated twice instead of the cloth placement process (P142), but the number of times the cloth unwinding process (P144) is performed may vary beyond two.
  • control unit 100 may perform a washing cycle (P10) to wash clothes by injecting detergent into the tub 20 before the dehydration cycle (P30), as described above.
  • a rinsing process (P20) may be performed in which detergent and contaminants are separated from the clothes and discharged to the outside of the tub 20 before the dehydration process (P30).
  • control unit 100 performs the measurement preparation process (P120) and the imbalance measurement process in at least one of the washing cycle (P10) and the rinsing cycle (P20) and between the rinsing cycle and the dehydration cycle (P30). (P130) can be performed.
  • the imbalance response process (P100) can be performed not only immediately before the dehydration process (P30) but also before the rinsing process (P20).
  • the unbalance response stroke is performed prior to various strokes other than the spin-drying stroke (P30). (P100) can be performed.
  • control unit 100 controls the drain unit 50 so that the water level of the tub 20 corresponds to the measurement water level for unbalance measurement before performing the measurement preparation process (P120). You can perform the water level preparation process (P110).
  • the tub 20 is used for rinsing clothes before the imbalance response stroke (P100) by the rinsing stroke (P20). It may be in a state where water is contained.
  • the water level contained in the tub 20 in the rinse cycle (P20) may be higher than the water level required for the imbalance response cycle (P100).
  • the water contained within the tub 20 according to the rinsing stroke (P20) may be greater than the amount of water required for the imbalance response stroke (P100).
  • control unit 100 controls the drainage unit 50 before the measurement preparation process (P120) in the imbalance response process. ) can be controlled to perform the water level preparation process (P110) to adjust the water level of the tub 20 to the measured water level.
  • an unbalance response stroke can be performed by adjusting the amount of water in the tub 20 by the measured water level.
  • control unit 100 may correct the measured water level to be higher as the weight or moisture content of clothing contained in the drum 30 increases in the water level preparation process (P110).
  • an embodiment of the present invention determines the fabric weight and moisture rate of clothing through the fabric weight judgment process or moisture rate judgment process, and appropriately corrects the measured water level according to the fabric weight and moisture rate to perform an unbalance response stroke (P100). ) can be performed.
  • FIG. 10 shows a flowchart of a control method of the laundry treatment device 1 according to an embodiment of the present invention.
  • the control method of the laundry treatment device 1 may include a laundry weight determination step (S10).
  • the control unit 100 may analyze the current or electric value characteristics of the driving unit 60 according to the rotation of the drum 30 or determine the amount or load of clothing using a load sensor, etc. .
  • the control method of the clothing treatment device 1 may include a moisture rate determination step (S20).
  • the control unit 100 may determine the moisture content of the clothing based on the change in water level as the drum 30 rotates.
  • the control method of the clothing treatment device 1 may include a water level preparation step (S100).
  • the control unit 100 may perform the water level preparation process (P110).
  • the control unit 100 can control the water supply unit 40 and the drain unit 50 so that the water level inside the tub 20 meets the measured water level required for the unbalance response operation (P100). there is.
  • the control method of the clothing treatment device 1 may include a measurement preparation step (S200).
  • the control unit 100 may perform the measurement preparation process (P120) in the measurement preparation step (S200).
  • the control unit 100 controls the driving unit 60 to adjust the maximum rotation speed of the drum 30 to the first rotation speed and continuously rotate the drum 30.
  • the control method of the clothing treatment device 1 may include an unbalance measurement step (S300).
  • the control unit 100 may perform an unbalance measurement process (P130) in the unbalance measurement step (S300).
  • the control unit 100 may continuously rotate the drum 30 at a second rotation speed that is lower than the first rotation speed and measure the vibration value (V).
  • the control method of the clothing treatment device 1 may include a reference vibration value determination step (S400).
  • the control unit 100 may determine whether the vibration value measured in the unbalance measurement step (S300) is less than or equal to the preset reference vibration value (V1).
  • the control method of the clothing treatment device 1 may include an additional vibration value determination step (S450). If the vibration value (V) exceeds the reference vibration value (V1) in the reference vibration value determination step (S400), the control unit 100 may perform an additional vibration value determination step (S450).
  • the control unit 100 may determine whether the vibration value (V) exceeds the additional vibration value (V2), which is set to a higher value than the reference vibration value (V1).
  • the control method of the clothing treatment device 1 may include an unbalance improvement step (S500) after the additional vibration value determination step (S450).
  • the control unit 100 may perform the unbalance improvement process (P140) in the unbalance improvement step (S500).
  • the unbalance improvement step (S500) may include a loosening step (S520).
  • the control unit 100 may perform the foam unwinding step (S520) when the vibration value (V) is less than or equal to the additional vibration value (V2) in the additional vibration value determination step (S450).
  • the control unit 100 may perform the cloth unwinding process (P144) in the cloth unwinding step (S520).
  • the control unit 100 can rotate the drum 30 at a third rotation speed in the foam unwinding process (P144), rotate the rotation angle to the first rotation angle, and allow the rotation direction to alternate between one direction and the other direction. It can be rotated.
  • the unbalance improvement step (S500) may include a gun arrangement step (S510). If the vibration value (V) exceeds the additional vibration value (V2) in the additional vibration value determination step (S450), the control unit 100 may perform the foam placement step (S510). The control unit 100 may perform the bag placement process (P142) in the bag placement step (S510).
  • the control unit 100 may rotate the drum 30 at a fourth rotational speed that is lower than the third rotational speed and rotate the drum 30 to a second rotational angle that is greater than the first rotational angle in the gun placement process (P142). It can be rotated so that the rotation direction alternates between one direction and the other direction.
  • the control unit 100 may perform the fabric unwinding step (S520) after the fabric placing step (S510).
  • the control unit 100 may perform the water level preparation step (S100) or the measurement preparation step (S200) again after the foam unwinding step (S520).

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

Abstract

Un appareil de traitement de vêtements est divulgué. L'appareil de traitement de vêtements selon un mode de réalisation de la présente invention comprend une armoire, une cuve, un tambour, une unité d'entraînement et une unité de commande, l'unité de commande effectuant : un processus de mesure de déséquilibre consistant à mesurer le déséquilibre de vêtements avant une opération de séchage par centrifugation ; un processus de préparation de mesure dans lequel la vitesse de rotation maximale du tambour correspond à une première vitesse de rotation et le tambour tourne en continu dans une direction tandis que de l'eau est logée dans la cuve, avant que le processus de mesure de déséquilibre ne soit effectué, et le processus de mesure de déséquilibre après le processus de préparation de mesure, et commande l'unité d'entraînement de telle sorte que, pendant le processus de mesure de déséquilibre, la vitesse de rotation maximale du tambour correspond à une seconde vitesse de rotation qui est inférieure à la première vitesse de rotation, et le tambour tourne en continu dans une direction ou dans l'autre direction.
PCT/KR2023/004078 2022-03-28 2023-03-28 Appareil de traitement de vêtements WO2023191437A1 (fr)

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KR10-2022-0038303 2022-03-28
KR1020220038303A KR20230139674A (ko) 2022-03-28 2022-03-28 의류처리장치

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110031765A (ko) * 2009-09-21 2011-03-29 엘지전자 주식회사 세탁 방법 및 세탁기
JP2015167867A (ja) * 2014-03-10 2015-09-28 エルジー エレクトロニクス インコーポレイティド 洗濯機及び洗濯機の制御方法
KR20150141803A (ko) * 2014-06-10 2015-12-21 엘지전자 주식회사 세탁기의 제어방법
KR20160094723A (ko) * 2015-02-02 2016-08-10 엘지전자 주식회사 세탁기의 제어방법
KR20220026862A (ko) * 2020-08-26 2022-03-07 엘지전자 주식회사 의류처리장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110031765A (ko) * 2009-09-21 2011-03-29 엘지전자 주식회사 세탁 방법 및 세탁기
JP2015167867A (ja) * 2014-03-10 2015-09-28 エルジー エレクトロニクス インコーポレイティド 洗濯機及び洗濯機の制御方法
KR20150141803A (ko) * 2014-06-10 2015-12-21 엘지전자 주식회사 세탁기의 제어방법
KR20160094723A (ko) * 2015-02-02 2016-08-10 엘지전자 주식회사 세탁기의 제어방법
KR20220026862A (ko) * 2020-08-26 2022-03-07 엘지전자 주식회사 의류처리장치

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