WO2023172003A1

WO2023172003A1 - Method for controlling laundry treatment apparatus, and laundry treatment apparatus

Info

Publication number: WO2023172003A1
Application number: PCT/KR2023/003022
Authority: WO
Inventors: 허영봉; 채교순; 임명훈; 김주연
Original assignee: 엘지전자 주식회사
Priority date: 2022-03-10
Filing date: 2023-03-06
Publication date: 2023-09-14

Abstract

According to one embodiment, provided are a method for controlling a laundry treatment apparatus, and the laundry treatment apparatus, the method comprising the steps of: executing a water supply period during which a first predetermined amount of wash water is provided; and executing, for a predetermined first time, a washing period during which laundry accommodated in a drum of the laundry treatment apparatus is washed in a state in which the first amount of wash water has been provided, wherein the washing period includes a first washing motion period during which washing force is to be imparted in the vertical direction on laundry, and a second washing motion period during which washing force is to be imparted in the horizontal direction on laundry.

Description

Control method of laundry processing device and laundry processing device

The present disclosure relates to a method of controlling a laundry treatment device and a laundry processing device, and more specifically, to a method of wet cleaning laundry stored in a drum of a laundry processing device and a laundry processing device.

In general, laundry processing that can be performed by a laundry treatment device may include a washing cycle in which foreign substances are removed by applying physical force to the laundry, a rinsing cycle in which foreign substances are separated from clothes, and a dehydration cycle in which moisture is removed from clothes.

When processing laundry, the laundry processing device detects the amount of laundry in the laundry processing device, and depending on the amount, the rotation speed and degree of rotation direction of the drum added to the laundry, the amount of water supplied, and the amount of hot air supplied. Determine the load including.

Specifically, if an excessive load is added when the amount of laundry is small, energy may be wasted, and if a small load is added when the amount of laundry is large, the desired washing purpose is not achieved, and if an excessive load is added, the internal laundry processing device Detection of information related to laundry in a laundry treatment device is essential because parts may be damaged.

Types of laundry that a laundry treatment device can process may include a variety of laundry, such as clothing, bedding, carpets, and rugs. Among such laundry, there may be laundry that requires delicate treatment (for example, wool, silk, etc.), and such laundry may require different treatment from laundry such as general clothing.

Furthermore, in relation to this delicate laundry treatment technology, there is a demand for the development of specialized wet cleaning technology for laundry treatment technology that corresponds to the content included in the ISO 3175-4 standard.

In the past, technology was used to provide wash courses for handling delicate laundry. However, the conventional washing course for delicate laundry requires an excessive amount of water, omits some of the processing steps included in the general laundry treatment course, or adopts a processing method that reduces the degree of physical force, which reduces the washing effect. There are problems.

The present disclosure is intended to provide a laundry treatment method and a laundry treatment device for effective washing of laundry requiring delicate treatment.

A method of controlling a laundry treatment device according to an embodiment, comprising: performing a water supply section providing a predetermined first quantity of washing water; and performing a washing section for washing laundry stored in a drum of the laundry treatment device for a predetermined first time while providing a first quantity of wash water, wherein the washing section applies a washing force in a vertical direction to the laundry. A laundry processing method may be provided, including a first washing motion section for washing laundry and a second washing motion section for applying horizontal washing force to laundry.

In the laundry processing apparatus according to one embodiment, a drum; a driving unit configured to rotate the drum; a washing water supply unit configured to provide washing water; and a wash water supply unit to perform a water supply section for providing a predetermined first quantity of wash water, and to perform a wash section for washing laundry stored in the drum with the first quantity of wash water provided for a first predetermined time. It includes a control unit configured to control at least one of the driving units, and the washing section includes a first washing motion section for applying washing force in a vertical direction to laundry and a second washing motion section for applying washing force in a horizontal direction to laundry. A laundry processing device may be provided, including:

In a method of controlling a laundry treatment device according to an embodiment, a water supply section is performed in which a drum containing laundry is rotated at a first rotation speed to mix detergent and a predetermined first quantity of water to generate concentrated detergent solution. step; and performing a washing section by rotating the drum at a second rotational speed to mix the concentrated washing liquid generated in the water supply section and flowing into the inside of the drum with the laundry, wherein the first predetermined quantity is stored in the tub of the laundry treatment device. A laundry treatment method may be provided in which the amount of water supplied to the drum is predetermined to be in contact with the lower edge of the drum.

According to one embodiment, a laundry treatment apparatus includes: a tub including a drum; a driving unit configured to rotate the drum; a detergent supply unit configured to provide detergent; a water supply unit configured to provide water; And performing a water supply section in which the drum in which the laundry is stored is rotated at a first rotational speed to mix detergent and a first predetermined amount of water to generate concentrated washing liquid, and the concentrated washing liquid generated in the water supply section flows into the inside of the drum. and a control unit that controls at least one of a detergent supply unit, a water supply unit, and a drive unit to perform a washing section by rotating the drum at a second rotational speed to mix the water with the laundry, wherein the first predetermined quantity is water supplied to the tub. A laundry handling device may be provided, with a quantity predetermined to be in contact with the lower border of the drum.

Through various embodiments of the present disclosure, the washing effect can be improved while reducing damage to laundry during the processing of laundry that requires delicate treatment.

1 is a cross-sectional view of a laundry treatment device according to an embodiment.

Figure 2 is a block diagram of a laundry treatment device according to an embodiment.

Figure 3 is a block diagram for explaining a configuration that can be additionally added to the laundry treatment device according to an embodiment.

Figure 4 is a flowchart of a laundry treatment method according to one embodiment.

Figure 5 is a diagram for explaining the operation of the laundry treatment device in the water supply section and the washing section according to one embodiment.

Figure 6 is a diagram for explaining the operation of the laundry treatment device in the first washing motion section and the second washing motion section included in the washing section according to one embodiment.

Figure 7 is a diagram for explaining the operation of a laundry treatment device in a washing section according to an embodiment.

Figure 8 is a block diagram of a laundry treatment device according to an embodiment.

Figure 9 is a flowchart of a laundry treatment method according to one embodiment.

Figure 10 is a diagram for explaining the operation of the laundry treatment device in the water supply section and the washing section according to one embodiment.

FIG. 11 is a diagram for explaining the operation of the laundry treatment device in an additional water supply section and an additional washing section performed after the water supply section and the washing section, according to an embodiment.

Figure 12 displays information related to the operation of the drum corresponding to each of the water supply section and the washing section, according to one embodiment.

According to one embodiment, a laundry treatment method may be provided in which the first quantity of washing water is within a predetermined range based on half the height of the drum.

According to one embodiment, a laundry treatment method may be provided in which the first quantity of washing water is a quantity that can fill more than 1/4 of the height of the drum.

According to one embodiment, performing a washing section includes rotating the drum by a first rotation angle for turning the laundry over to apply washing force in the vertical direction to the laundry in the first washing motion section; and rotating the drum by a second rotation angle for shaking the laundry in at least the horizontal direction in the second washing motion section.

According to one embodiment, the step of rotating the drum by the second rotation angle includes rotating the drum by the second rotation angle in the first direction and then performing reverse phase braking; and rotating the drum by a second rotation angle in a second direction opposite to the first direction after reverse phase braking. A laundry treatment method may be provided, comprising repeating the reverse phase braking step and the step of rotating the drum by a second rotation angle in the first or second direction for a second predetermined time.

According to one embodiment, a laundry treatment method may be provided in which the first rotation angle is greater than the second rotation angle.

According to one embodiment, a laundry treatment method may be provided in which the first rotation angle is 180 degrees or more and the second rotation angle is 90 degrees or less.

According to one embodiment, performing a washing section may further include performing a washing cycle including a first washing motion section and a second washing motion section at least once, and a laundry processing method may be provided.

According to one embodiment, a laundry treatment method may be provided, further comprising a section in which rotation of the drum is stopped for a predetermined third time between washing cycles that are repeated a plurality of times, and the third time is longer than or equal to the first time.

According to one embodiment, the sum of the first time and the third time is constant, and the ratio of the first time and the third time is a preset ratio for washing course information selected based on an external signal input by the user. A method of handling laundry may be provided.

According to one embodiment, performing a washing section may include rotating a drum at a speed of 30 rpm or more and 45 rpm or less.

According to one embodiment, a laundry processing method may be provided in which the step of performing the washing section includes rotating the drum at a rotational acceleration of 240 rpm/s or less.

In a laundry treatment apparatus according to another embodiment, a drum; a driving unit configured to rotate the drum; a washing water supply unit configured to provide washing water; and a wash water supply unit to perform a water supply section for providing a predetermined first quantity of wash water, and to perform a wash section for washing laundry stored in the drum with the first quantity of wash water provided for a first predetermined time. It includes a control unit configured to control at least one of the driving units, and the washing section includes a first washing motion section for applying washing force in a vertical direction to laundry and a second washing motion section for applying washing force in a horizontal direction to laundry. A laundry processing device may be provided, including:

According to one embodiment, a laundry treatment device may be provided in which the first quantity of washing water is within a predetermined range based on half the height of the drum.

According to one embodiment, the control unit rotates the drum by a first rotation angle for turning over the laundry in order to apply washing force in the vertical direction to the laundry in the first washing motion section and shakes the laundry in at least the horizontal direction in the second washing motion section. A laundry treatment device may be provided that controls the driving unit to rotate the drum by a second rotation angle.

According to one embodiment, the control unit rotates the drum by a second rotation angle in the first direction and then performs reverse phase braking, and after reverse phase braking, rotates the drum by a second rotation angle in a second direction opposite to the first direction, and reverse phase braking. A laundry treatment device may be provided that controls the driving unit to repeat the process of braking and the process of rotating the drum by a second rotation angle in the first or second direction for a second predetermined time.

According to one embodiment, a laundry processing apparatus may be provided in which the control unit controls the driving unit to perform at least one washing cycle consisting of a first washing motion section and a second washing motion section.

According to one embodiment, the control unit controls the driving unit to further include a section in which the rotation of the drum is stopped for a predetermined third time between washing cycles that are repeatedly performed a plurality of times, and the third time is at least the first time. may be provided.

According to one embodiment, the sum of the first time and the third time is constant, and the ratio of the first time and the third time is a preset ratio for washing course information selected based on an external signal input by the user. A laundry processing device may be provided.

According to one embodiment, a laundry treatment device may be provided in which the control unit controls the driving unit to rotate the drum at a speed of 30 rpm or more and 45 rpm or less in the washing section.

In a method of controlling a laundry treatment device according to another embodiment, a water supply section is performed in which a drum containing laundry is rotated at a first rotation speed to mix detergent and a first predetermined amount of water to generate concentrated detergent. steps; and performing a washing section by rotating the drum at a second rotational speed to mix the concentrated washing liquid generated in the water supply section and flowing into the inside of the drum with the laundry, wherein the first predetermined quantity is stored in the tub of the laundry treatment device. A laundry treatment method may be provided in which the amount of water supplied to the drum is predetermined to be in contact with the lower edge of the drum.

According to one embodiment, the step of performing the water supply section includes rotating a drum whose bottom border is in contact with the concentrated detergent mixed with detergent and a first quantity of water to generate concentrated detergent while the laundry is dry. A laundry treatment method may be provided.

According to one embodiment, a laundry treatment method may be provided in which the concentrated detergent flowing into the drum includes bubbles generated from the concentrated detergent in contact with the lower edge of the drum due to rotation of the drum.

According to one embodiment, a laundry treatment method may be provided in which the first rotation speed is faster than the second rotation speed.

According to one embodiment, the first rotation speed is a rotation speed at which the laundry and the drum rotate together due to centrifugal force caused by the rotation of the drum, and the second rotation speed is a rotation speed for washing laundry using the drop of the laundry. , a laundry treatment method may be provided.

According to one embodiment, a laundry treatment method may be provided in which the first rotation speed is predetermined to be 70 RPM and the second rotation speed is predetermined to be 30 RPM.

According to one embodiment, a laundry processing method may be provided in which the drum rotates in only one direction in at least one of the water supply section and the washing section.

According to one embodiment, performing the water supply section includes performing a water supply section of mixing a detergent containing an anti-shrink agent with a predetermined first quantity of concentrated washing liquid to produce a concentrated washing liquid. can be provided.

According to one embodiment, after the washing section ends, a laundry processing method may be provided in which an additional water supply section and an additional washing section are performed, different from the operations in the water supply section and the washing section.

According to another embodiment, a laundry treatment apparatus includes: a tub including a drum; a driving unit configured to rotate the drum; a detergent supply unit configured to provide detergent; a water supply unit configured to provide water; And performing a water supply section in which the drum in which the laundry is stored is rotated at a first rotational speed to mix detergent and a first predetermined amount of water to generate concentrated washing liquid, and the concentrated washing liquid generated in the water supply section flows into the inside of the drum. and a control unit that controls at least one of a detergent supply unit, a water supply unit, and a drive unit to perform a washing section by rotating the drum at a second rotational speed to mix the water with the laundry, wherein the first predetermined quantity is water supplied to the tub. A laundry handling device may be provided, with a quantity predetermined to be in contact with the lower border of the drum.

According to one embodiment, the control unit controls the driving unit to rotate the drum whose lower edge is in contact with the concentrated washing liquid mixed with detergent and a first quantity of water in order to generate concentrated washing liquid while the laundry is dry. A device may be provided.

According to one embodiment, a laundry treatment device may be provided in which the concentrated detergent flowing into the drum includes bubbles generated from the concentrated detergent in contact with the lower edge of the drum due to rotation of the drum.

According to one embodiment, a laundry treatment device may be provided in which the first rotation speed is faster than the second rotation speed.

According to one embodiment, the first rotation speed is a rotation speed at which the laundry and the drum rotate together due to centrifugal force caused by the rotation of the drum, and the second rotation speed is a rotation speed for washing laundry using the drop of the laundry. , a laundry processing device may be provided.

According to one embodiment, a laundry treatment device may be provided in which the first rotation speed is predetermined to be 70 RPM and the second rotation speed is predetermined to be 30 RPM.

According to one embodiment, a laundry treatment device may be provided in which the control unit controls the driving unit so that the drum rotates in only one direction in at least one of the water supply section and the washing section.

According to one embodiment, a laundry treatment device may be provided in which the control unit controls the detergent supply unit, the water supply unit, and the drive unit to mix detergent containing an anti-shrink agent with a predetermined first quantity of water to generate concentrated washing liquid.

According to one embodiment, the control unit controls the detergent supply unit, the water supply unit, and the drive unit to perform an additional water supply section and an additional washing section, which are different from the operations in the water supply section and the washing section, after the washing section ends. Laundry treatment device. may be provided.

Hereinafter, the embodiments will be described in detail with reference to the drawings so that those skilled in the art can easily perform them. The following embodiments may be implemented in various different forms and are not limited to the embodiments described herein.

For clear explanation, parts that are not relevant to the description are omitted, and identical or similar components are given the same reference numerals throughout the specification. Additionally, some embodiments will be described in detail with reference to exemplary drawings. In adding reference numerals to components in each drawing, identical components may have the same reference numerals as much as possible even if they are shown in different drawings. Additionally, in describing the present disclosure, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the embodiments, the detailed description may be omitted.

In describing the components of the embodiments, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only used to distinguish the component from other components, and the nature, sequence, order, or number of the components are not limited by the term. When it is described that any components are “connected,” “coupled,” or “connected,” any components may be directly connected or connected, and other components may be “interposed” between each component or each component. It should be understood that may be “connected,” “coupled,” or “connected” through other components.

In the present disclosure, terms such as “comprise,” “consist of,” or “have” are intended to indicate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification. It should be understood that it does not exclude in advance the presence or addition of other features, numbers, steps, operations, components, parts, or combinations thereof.

Additionally, in implementing the present disclosure, the components may be subdivided for convenience of explanation, but these components may be implemented in one device or module, or one component may be implemented in multiple devices or modules. It may be implemented separately.

The advantages and features of the present disclosure and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present disclosure is not limited to the embodiments disclosed below and may be implemented in various different forms, and only the embodiments are intended to ensure that the present disclosure is complete, and those skilled in the art It is provided to fully inform the scope of the invention, and the present disclosure is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Figure 1 is a perspective view showing a laundry treatment device according to an embodiment of the present disclosure, and Figure 2 is a cross-sectional view showing the internal structure of the laundry treatment device according to an embodiment of the present disclosure.

According to one embodiment, at least one of the configurations shown in FIGS. 1 and 2 may be used for various embodiments of the present disclosure.

The laundry treatment device 100 according to an embodiment of the present disclosure includes a tub 110 that forms the exterior, a door 111 that opens and closes one side of the tub 110 to allow laundry to enter and exit the tub 110, and a tub ( 110) A tub 120 disposed inside and supported by the tub 110, a drum 130 disposed inside the tub 120 and rotated with laundry inserted therein, and torque applied to the drum 130 to rotate the drum 130. A driving unit 140, a detergent box 112 containing detergent, an air supply device 170 provided at the top of the tub 120 to heat and circulate the air in the tub 120, and a user input are received. It may include a control panel 113 that displays the status of the laundry treatment device 100.

Here, the tub 110 is formed with a laundry input hole to allow laundry to enter and exit. A door 111 is rotatably coupled to the tub 110 to enable opening and closing of the laundry input hole. The tub 110 is provided with a control panel 113. A detergent box 112 may be provided in the tub 110 to be retractable.

Meanwhile, the tub 120 is disposed to be cushioned by a spring 122 and a damper 123 inside the tub 110. The tub 120 accommodates washing water. A drum 130 may be placed inside the tub 120.

According to one embodiment, the tub 120 may accommodate washing water mixed with detergent and water. Then, the drum 130 rotates while receiving the laundry. The drum 130 is formed with a plurality of holes to allow washing water to pass through. A lifter 131 may be disposed on the inner wall of the drum 130 to lift the laundry to a certain height when the drum rotates. The drum may be rotated by receiving rotational force from the driving unit 140.

Here, the gasket 121 seals between the tub 120 and the tub 110. The gasket 121 is disposed between the entrance of the tub 120 and the laundry input hole. The gasket 121 alleviates the shock transmitted to the door 111 when the drum 130 rotates and prevents the washing water in the tub 120 from leaking to the outside. A circulation nozzle 165 may be provided on the upper part of the gasket 121 to introduce washing water into the drum 130.

Meanwhile, the air supply device 170 sucks the air inside the tub 120 from the rear of the tub 120, heats it, supplies it to the front of the tub 120, and circulates it. The air supply device 170 includes a circulation duct 171 including an intake port connected to the rear of the tub 120 and a discharge portion 172 connected to the front of the tub 120, and a device for moving the air within the circulation duct 171. It may include a blowing fan 174 and a heater 175 that heats the air in the circulation duct 171.

Additionally, the driving unit 140 rotates the drum 130. The driving unit 140 may rotate the drum 130 at various speeds or directions. The driving unit 140 may include a motor, a switching element that controls the motor, a clutch, etc.

Additionally, the detergent box 112 accommodates detergents such as laundry detergent, fabric softener, or bleach. The detergent box 112 is preferably provided in a withdrawable manner on the front of the tub 110. When washing water is supplied, the detergent in the detergent box 112 is mixed with the washing water and flows into the tub 120.

Meanwhile, inside the tub 110, there is a water supply valve 152 that controls the inflow of washing water from an external water source, a water supply passage 151 through which the washing water flowing into the water supply valve flows into the detergent box 112, and a detergent box 112. ), it is preferable that the water supply unit 150 is provided with a water supply pipe 153 through which washing water mixed with detergent flows into the tub 120.

In addition, inside the tub 110, there is a drain pipe 161 through which the wash water in the tub 120 flows out, a pump 162 through which the wash water in the tub flows out, a circulation passage 164 through which the wash water circulates, and a drain pipe 161 through which the wash water flows out of the tub 120. It is preferable that a drain unit 160 is provided including a circulation nozzle 165 that flows into the drum 130 and a drain passage 163 through which washing water is drained to the outside. Depending on the embodiment, the pump 162 may be provided as a circulation pump and a drainage pump and may be connected to a circulation passage 164 and a drainage passage 163, respectively.

In addition, the control panel 113 includes an input unit 113a that receives various operation commands such as selection of a washing course or operation time and reservation for each cycle through the user, and a display unit that displays the operating status of the laundry treatment device 100 ( 113b) and a control unit 113c may be provided to control various components included in the laundry treatment device 100 to perform operations based on various input operation commands. The input unit 113a may include a user interface device such as a touch panel, keys, buttons, etc. The control unit 113c may be composed of at least one of various components such as a processor, RAM, ROM, CPU, MCU, GPU (Graphics Processing Unit), and a bus. RAM, ROM, CPU and GPU, etc. can be connected to each other through a bus.

The circulation nozzle 165 is provided on the gasket 121 and circulates washing water inside the drum 130. Washing water contained in the drum 130 moves to the pump 162 along the drain pipe 161 provided in the tub 120. The pump 162 allows washing water to reach the circulation nozzle 165 through the circulation passage 164. The washing water moves back into the drum 130 by the circulation nozzle 165.

The injection nozzle 180 is provided adjacent to the circulation nozzle 165. The spray nozzle 180 is located on the upper part of the gasket 121, which is the part where the circulation nozzle 165 is located, and is used together with the circulation nozzle 165 or alone with the spray nozzle 180 when the laundry treatment device 100 is operated. Make it work. Additionally, depending on the embodiment, the injection nozzle 180 may be provided integrally with the circulation nozzle 165, but the technical features of the present disclosure are not limited thereto.

Meanwhile, the laundry treatment device according to an embodiment of the present disclosure as described above can be used in various ways, such as a lingerie/wool course, a boiling course, a speed wash course, a functional clothing course, and a quiet course in addition to the standard course, depending on the type or function of the laundry. Includes laundry course.

Here, each washing course is basically divided into a washing cycle, a rinsing cycle, and a dehydration cycle, and water supply, washing, rinsing, drainage, dehydration, or drying are performed within each cycle.

Figure 2 is a block diagram of a laundry treatment device 200 according to an embodiment.

According to one embodiment, the laundry treatment device 200 may include a drum 210, a driving unit 220, a washing water supply unit 230, and a control unit 240. According to one embodiment, the drum 210, the driving unit 220, and the control unit 240 of FIG. 2 may correspond to the drum 130, the driving unit 140, and the control unit 113c of FIG. 1, respectively. The washing water supply unit 230 of 2 may include the detergent box 112 and the water supply valve 152 of FIG. 1. Therefore, even if the configuration is not shown in FIG. 2, at least one configuration shown in FIG. 1 may be additionally used depending on the embodiment.

According to one embodiment, washing water mixed with detergent may be supplied to the drum 210 through the washing water supply unit 230 to wash laundry stored in the drum 210.

According to one embodiment, the control unit 240 may control at least one of the driving unit 220 and the washing water supply unit 230 to perform a washing process including a water supply section and a washing section in the laundry treatment device 200. there is.

Figure 3 is a block diagram for explaining additional components that can be added to the laundry treatment device 300 according to an embodiment. The laundry treatment device 300 shown in FIG. 3 corresponds to the laundry treatment device 200 shown in FIG. 2 and may optionally further include additional components.

In the laundry treatment device 300 according to one embodiment, the drive unit 320 is controlled by the control operation of the control unit 350, and the drive unit 320 rotates the drum 310. The drum 310, driving unit 320, and control unit 350 of FIG. 3 may correspond to the drum 210, driving unit 220, and control unit 240 of FIG. 1, respectively. The control unit 350 may receive an operation signal or control command from the input unit 360 and operate various components of the laundry treatment device 100. The input unit 360 may be provided with a washing course and an option selection unit to perform washing, rinsing, and dehydration processes. Accordingly, washing, rinsing, and dehydration operations can be performed. According to one embodiment, based on a control command received from the input unit 360, the control unit 350 selects a wash mode for processing delicate laundry, thereby processing laundry according to various embodiments performed in the present disclosure. there is.

Additionally, the control unit 350 can control the display unit 370 to display the washing course, washing time, spin-drying time, rinsing time, etc., or the current operating state.

Meanwhile, the control unit 350 controls the driving unit 320 to rotate the drum 310 and also controls the rotation speed of the drum 310. The control unit 350 may control the driving unit 320 based on the current detection unit 380 that detects the output current flowing in the driving unit 320 and the position detection unit 390 that detects the position of the driving unit 320.

The current detected by the driver 320 and the sensed position signal may be input to the control unit 350.

Meanwhile, the laundry processing device 300 may omit the position detection unit 390 and detect the position of the drive unit 320 by implementing a separate algorithm. (aka, sensorless driving unit) In the sensorless driving unit 320, the control unit 350 may determine the position of the rotor or stator in the driving unit 320 by measuring the current or voltage output from the driving unit 320.

In the following embodiments, operations performed by the laundry treatment device 300 based on input/output signals related to the driving unit 320 may be understood as being performed based on this embodiment, but there is no need to interpret them as being limited thereto.

In step S410, the laundry treatment device 100 may perform a water supply section providing a predetermined first quantity of wash water according to one embodiment.

According to one embodiment, the control unit 240 may control the washing water supply unit 230 to mix detergent and a predetermined first quantity of water in the water supply section.

According to one embodiment, the first quantity of wash water provided in the water supply section may be predetermined to be within a predetermined range based on half the height of the drum 210. That is, when washing water flows into the tub, the washing water may flow into the drum 210 stored in the tub, and the control unit 240 controls the washing water to a height within a predetermined range based on half the height of the drum 210. The washing water supply unit 230 can be controlled to fill the drum 210.

According to one embodiment, laundry may be washed through a wash section while a first quantity of wash water is provided.

According to one embodiment, the first quantity of wash water within a predetermined range based on half the height of the drum 210 may be understood as an amount of wash water sufficient to submerge about half of the drum 210 in water. there is.

According to one embodiment, the first quantity of washing water may be predetermined to be a quantity that can fill at least 1/4 of the height of the drum 210. That is, according to one embodiment, the first quantity of washing water is a quantity that can fill more than 1/4 of the height of the drum 210, and is within a predetermined range based on half the height of the drum 210 (for example, the drum ( 210) It can be supplied at a ratio of 25% to 50% of the height or 40% to 55% of the height of the drum (210).

According to one embodiment, whether a predetermined first quantity of wash water is provided to the drum 210 is determined by being combined with at least one of the wash water supply unit 230 and the control unit 240 and supplied to the tub stored in the drum 210. The control unit 240 uses information determined through a metering sensor to measure the amount of washing water or obtained through a sensor to measure the height of the washing water supplied by being attached to the tub or drum 210. can be decided. However, the technology for measuring the amount of washing water does not need to be interpreted limited to the above embodiments and may be implemented through various conventional technologies.

According to one embodiment, the control unit 240 may control the driving unit 220 to generate concentrated detergent for washing laundry prior to entering the washing section. According to one embodiment, the control unit 240 controls the washing water supply unit 230 to provide detergent and water to the tub in a predetermined quantity (for example, a quantity sufficient to contact the lower border of the drum 210). When enough washing water is provided, concentrated washing liquid can be generated by controlling the drive unit 220 to rotate the drum 210 at a predetermined rotation speed (for example, 70 rpm). This reduces the degree to which the supplied water first comes into contact with laundry, such as hydrophilic fibers, before concentrated detergent is generated, thereby maintaining the laundry in a dry state. This reduces damage to laundry that occurs during washing and improves the washing effect. You can achieve the desired effect. According to one embodiment, the control unit 240 pre-treats the laundry using concentrated detergent (e.g., pre-washing) and then operates the driving unit 220 to perform a water supply section and a washing section that provide a predetermined first quantity of wash water. And the washing water supply unit 230 can also be controlled.

In step S420, the laundry treatment device 100 may perform a washing section in which the concentrated detergent generated in step S410 is mixed with laundry, according to an embodiment. According to one embodiment, the laundry treatment device 100 washes the laundry stored in the drum 210 while the first quantity of wash water is provided in the washing section.

Figure 5 is a diagram for explaining the operation of the laundry treatment device 200 in the water supply section and the washing section according to one embodiment. The tub 510 and drum 520 shown in FIG. 5 may be understood as components corresponding to the tub 120 and drum 130 shown in FIG. 1 , respectively.

Referring to FIG. 5, according to one embodiment, in the water supply section 570, the control unit 240 of the laundry treatment device 200 controls the wash water supply unit 230 to supply wash water generated by mixing detergent and water to the tub ( 510) can be supplied.

According to one embodiment, the control unit 240 may control the driving unit 220 to rotate the drum 520 to generate washing water 540. According to one embodiment, the first predetermined quantity of washing water to the drum 520 may be supplied within a predetermined range based on half the height of the drum 520. Referring to FIG. 5 , it can be seen that the first quantity of washing water is supplied into the tub 510 by half the height of the drum 520.

According to one embodiment, the laundry treatment device 200 uses the washing water 540 in the drum 520 through a turning operation 550 and a left and right shaking operation 560 in the washing section 580. Laundry 500 can be washed. That is, according to one embodiment, the control unit 240 rotates the drum 210 in the washing section 580 and performs an operation 550 of turning the laundry 500 over to apply a physical force in the vertical direction to the laundry 500. The driving unit 220 is controlled to perform a first washing motion section and a second washing motion section in which an operation 560 of shaking the laundry 500 left and right is performed to apply a physical force in the horizontal direction to the laundry 500. can do.

According to one embodiment, in the first washing motion section performed in the washing section 580, the control unit 240 performs a flipping operation 550 of the laundry 500 by rotating the drum 520 at a first predetermined rotation angle. The driving unit 220 can be controlled to do so. According to one embodiment, the laundry 500 may be turned over due to the drum rotated at the first rotation angle, and a vertical physical force may be applied to the laundry 600 due to the drop.

Referring to FIG. 5, according to another embodiment, in the second washing motion section performed in the washing section 580, the control unit 240 rotates the drum 520 at a predetermined second rotation angle to wash the laundry 600. The driving unit 220 can be controlled to perform a horizontal shaking operation 560. According to one embodiment, the laundry 600 may move back and forth in the horizontal direction due to the drum rotated at the second rotation angle, and due to the movement, a physical force in the horizontal direction may be applied to the laundry 500.

According to one embodiment, a washing cycle may be performed through a combination of an operation in which the drum 520 rotates at a first rotation angle and a second rotation angle so that physical forces in the vertical and horizontal directions are applied in the washing section 580. .

According to one embodiment, the control unit 240 may control the driving unit 220 so that the drum 210 rotates at a speed of 30 rpm or more and 45 rpm or less in the first washing motion section and/or the second washing motion section. According to one embodiment, the control unit 240 determines that the first washing motion section and/or the second washing motion section are performed from the time the speed of the drum 210 reaches 30 rpm and accelerates the drum to a target speed of 45 rpm. You can do it. According to one embodiment, the control unit 240 may control the driving unit 220 so that the drum 210 accelerates at a rotational acceleration of 240 rpm/s or less.

Figure 6 is a diagram for explaining the operation of the laundry treatment device in the first washing motion section and the second washing motion section included in the washing section according to one embodiment. Hereinafter, the rotation of the drum 210 in the first washing motion section 630 and the second washing motion section 640 will be described in detail with reference to FIG. 6.

According to one embodiment, in the first washing motion section 630, the driving unit 220 may rotate the drum 210 by a first rotation angle (610). The first rotation angle may be predetermined to be 180 degrees or more (for example, 270 degrees), which may be more than the minimum angle at which the laundry 600 can be turned over. According to one embodiment, the control unit 240 controls the driving unit 220 in the first washing motion section 630 to rotate the drum 210 in the first direction or the second direction by a first rotation angle to wash the laundry 600. Can be configured to flip in various directions.

According to one embodiment, in the second washing motion section 640, the driving unit 220 may rotate the drum 210 by a second rotation angle (620, 622, 624). The second rotation angle may be predetermined to be smaller than the first rotation angle. For example, the second rotation angle may be an angle of 90 degrees or less and may be predetermined to be 60 degrees, and this may be an angle for allowing the laundry 600 to shake left and right without being turned over. According to one embodiment, the control unit 240 controls the driving unit 220 in the second washing motion section 640 to rotate the drum 210 in the first or second direction by a second rotation angle to wash the laundry 600. It can be configured to apply a horizontal physical force to the laundry 600 by shaking it left and right. For example, the control unit 240 may control the driving unit 220 to rotate the drum 210 by a second rotation angle in the first direction (620) and then apply reverse braking. After reverse-phase braking, the control unit 240 can control the driving unit 220 to rotate the drum 210 by a second rotation angle 622 in a second direction opposite to the first direction and perform reverse-phase braking again. Thereafter, the control unit 240 may rotate the drum 210 in a reciprocating manner, such as rotating 624 in the first direction opposite to the second direction. In this way, the laundry treatment device 200 can perform a washing cycle in the second washing motion section 640 by applying movement to the washing water so that the laundry 600 is given a horizontal physical force by the washing water. there is.

According to one embodiment, the washing section may be predetermined to be performed during a first time period, and the laundry processing device 100 may perform the washing section consisting of the first washing motion section and the second washing motion section within the first time range. It can be repeated.

According to one embodiment, the control unit 240 determines that the washing cycle is repeated at least once, with the start point at which the first wash motion section begins and the end point at the end of the second wash motion section. By determining that it is a section, the driving unit 220 and the washing water supply unit 230 can be controlled.

According to one embodiment, the driving unit 220 may repeatedly rotate the drum 210 in each of the first washing motion section and the second washing motion section of the washing section. According to one embodiment, after performing a first washing motion section in which the drum 210 rotates at least once by a first rotation angle in the first direction and/or the second direction, the drum 210 rotates in the first direction and/or the second direction One washing cycle is performed by performing a second washing motion section in which the drum 210 rotates at least once by the second rotation angle in the direction, and it is predetermined that the washing section is one in which this washing cycle is repeated at least once. It may be.

According to one embodiment, the execution time for each of the first washing motion section or the second washing motion section may be a predetermined time. For example, the laundry processing device 200 may perform the second laundry motion section for a predetermined second time (less than the first time).

Referring to FIG. 7, the control unit 240 operates a driving unit (710) to stop the rotation of the drum 210 for a predetermined third time after the washing cycle including the first washing motion section and the second washing motion section is performed (710). 220) can be controlled. Through this process of stopping the rotation for the third time, an operation corresponding to hand washing and then soaking is implemented, thereby improving the washing effect and reducing damage to the laundry.

According to one embodiment, the third predetermined time for stopping the drum 210 and submerging the laundry in washing water may be longer than or equal to the first predetermined time for the washing section.

According to one embodiment, after the predetermined third time 720 has elapsed, the control unit 240 may determine to perform the washing section again (730). In this way, the control unit 240 may determine to repeat the washing cycle consisting of stopping the washing section and the drum 210 at least once.

According to one embodiment, the laundry treatment device 100 may perform a washing cycle of laundry by performing a water supply section and a washing section, and then additionally perform a rinsing section and a spin-drying section. According to one embodiment, the rinsing section may consist of discharging the washing water to the outside of the tub 120, supplying water for rinsing to the tub, and rotating the drum 130, which is similar to various conventional methods. This can be implemented through a rinsing operation.

According to one embodiment, the laundry treatment apparatus 100 may perform a spin-drying section for dehydrating laundry by rotating the drum 130 at a speed equal to or lower than a predetermined third rotational speed after the rinsing section.

Figure 8 is a block diagram of a laundry treatment device 800 according to an embodiment. The laundry treatment device 100 in FIG. 1 may correspond to a perspective view of the laundry treatment device 800 in FIG. 8 .

According to one embodiment, the laundry treatment device 800 may include a drum 810, a driving unit 820, a detergent supply unit 830, a water supply unit 840, and a control unit 850. According to one embodiment, the drum 810, driving unit 820, detergent supply unit 830, water supply unit 840, and control unit 850 of FIG. 8 are respectively the drum 130, driving unit 140, and detergent of FIG. 1. It may correspond to the box 102, the water supply valve 152, and the control unit 103c. Therefore, even if the configuration is not shown in FIG. 8, at least one configuration shown in FIG. 1 may be additionally used depending on the embodiment.

According to one embodiment, the process in which detergent is supplied from the detergent supply unit 830 may be understood as an process in which detergent is supplied together with the wash water as washing water flows into the detergent supply unit 830 by the water supply unit 840. According to another embodiment, the detergent supply unit 830 may be included in the laundry treatment device 800 as a separate component for supplying a set amount of detergent.

According to one embodiment, the control unit 850 controls at least one of the driving unit 820, the detergent supply unit 830, and the water supply unit 840, thereby performing a washing operation that includes at least a water supply section and a washing section in the laundry treatment device 800. This can be done.

The laundry processing device 800 of FIG. 8 may correspond to the laundry processing device 300 of FIG. 3 and may be implemented by adding at least one of the components included in the laundry processing device 300 of FIG. 3. . That is, the drum 810, drive unit 820, and control unit 850 in FIG. 8 may correspond to the drum 310, drive unit 320, and control unit 350 in FIG. 3, respectively, and may have a configuration not shown in FIG. 8. Even so, the laundry processing device 800 can be implemented by selectively adding components included in the laundry processing device 300 of FIG. 3.

In step S910, the laundry treatment device 800 rotates the drum containing the laundry at a first rotation speed according to an embodiment to perform a water supply section in which detergent and a predetermined first amount of water are mixed to generate concentrated detergent. You can. According to one embodiment, the control unit 850 of the laundry treatment device 800 may control at least one of the detergent supply unit 830 and the water supply unit 840 to supply water and detergent to the tub including the drum 810. there is. According to one embodiment, the first predetermined amount of water supplied to the tub under the control of the control unit 850 may be a quantity that allows the water supplied to the tub to contact the lower edge of the drum 810. That is, the predetermined first quantity of water supplied from the water supply section is supplied to the extent of contacting the lower edge of the drum 810, so that the water in the state before concentrated detergent is generated in the laundry stored in the drum 810 is mixed with the laundry. This can minimize the stretching of fibers that occurs when water, rather than detergent, mixes with the laundry before the washing section.

According to one embodiment, the control unit 850 may control the driving unit 820 to rotate the drum 810 at a first rotational speed in order to mix the supplied water and detergent to the extent of contacting the lower boundary of the drum 810. there is. According to one embodiment, water and detergent in contact with the lower edge of the drum 810 may be mixed due to the rotating drum 810 to generate concentrated detergent. According to one embodiment, as the drum 810 rotates, water and detergent in contact with the lower end of the drum 810 may rub against the drum 810, forming concentrated detergent in the form of bubbles. A method by which the laundry treatment device 800 generates concentrated washing liquid according to one embodiment will be described in detail in FIG. 10.

According to one embodiment, the laundry treatment device 800 rotates the drum 810 at a first rotational speed while performing the water supply section, thereby reducing the mixing of water with the laundry before concentrated detergent is generated. That is, in the process of generating concentrated detergent in the water supply section, the laundry is continuously rotated due to the centrifugal force received while rotating with the drum 810 inside the drum 810, and through this, the laundry is completely removed from the bottom of the drum 810. It can reduce the degree of contact with unmixed detergent. This reduces the degree to which the supplied water first comes into contact with laundry, such as hydrophilic fibers, before concentrated detergent is generated, thereby maintaining the laundry in a dry state. This reduces damage to laundry that occurs during washing and improves the washing effect. You can achieve the desired effect.

According to one embodiment, the control unit 850 further provides detergent for washing as well as an anti-shrink agent to the tub through the detergent supply unit 830 in the water supply section, thereby mixing the concentrated detergent in a predetermined first quantity and further mixing the anti-shrink agent. A concentrated tax solution can be produced.

According to one embodiment, the detergent supply unit 830 and the water supply unit 840 supply detergent and water to the drum 810 in the water supply section to reduce mixing of the water provided from the water supply unit 840 with the laundry before the concentrated detergent is generated. ) and may be configured to be provided in the space between the tub 110.

In step S920, according to one embodiment, the laundry treatment device 800 rotates the drum 810 for a second time in order to mix the concentrated washing liquid generated in the water supply section performed in step S910 and flowing into the drum 810 with the laundry. The washing section can be performed by rotating at speed.

According to one embodiment, the control unit 850 may control the driving unit 820 to perform a washing section by rotating the drum 810 at a second rotational speed after the water supply section.

According to one embodiment, the first rotation speed may be faster than the second rotation speed. According to one embodiment, the first rotation speed is such that the laundry stored in the drum 810 does not fall from the drum 810 due to the centrifugal force applied to the laundry due to the rotation of the drum 810, but the laundry and the drum 810 are connected. It may be a rotation speed that rotates together. According to one embodiment, the second rotation speed may be a rotation speed for washing laundry by using the fall of the laundry through a process in which the laundry fails to completely rotate with the drum 810 and falls again. For example, the first rotation speed may be 70 RPM and the second rotation speed may be preset to 30 RPM, but the interpretation does not need to be limited to this.

According to one embodiment, the control unit 850 may control the driving unit 820 to rotate the drum 810 so that the concentrated detergent liquid can be mixed with the laundry in the washing section. According to one embodiment, the control unit 850 controls the driving unit 820 to rotate the drum 810 at a second rotation speed that is slower than the first rotation speed so that the concentrated detergent is well mixed with the laundry. You can. According to one embodiment, the laundry treatment device 800 directly supplies the concentrated washing liquid to the inside of the drum 810 (for example, applying the concentrated washing liquid to the inside of the drum 810) so that the concentrated washing liquid can be well mixed with the laundry. Additional components (for example, circulation nozzle 165, etc.) may be further included.

Figure 10 is a diagram for explaining the operation of the laundry treatment device 800 in the water supply section and the washing section according to one embodiment. The tub 1010 and drum 1020 shown in FIG. 10 may have a configuration corresponding to the tub 110 and drum 130 shown in FIG. 1, respectively, and the drum 810 of the laundry treatment device 800 in FIG. 8 ) can be understood as being included in the tub 110, like the laundry treatment device 100 of FIG. 1.

Referring to FIG. 10 , according to one embodiment, the laundry treatment device 800 may perform a washing section after the water supply section. According to one embodiment, in the water supply section, the control unit 850 of the laundry treatment device 800 controls the detergent supply unit 830 and the water supply unit 840 to supply detergent and a first quantity of water into the tub 1010. .

According to one embodiment, the control unit 850 may control the driving unit 820 to rotate the drum 1020 to generate the concentrated detergent solution 1040. According to one embodiment, the detergent and the first quantity of water may be supplied to the tub 1010 to the extent of contacting the lower edge of the drum 1020, and accordingly, the detergent and the first quantity of water may be supplied to the lower border of the drum 1020. As it comes into contact with the rotating drum 1020, physical force is provided to the detergent and the first quantity of water, thereby mixing the detergent and the first quantity of water to produce concentrated detergent solution 1040.

According to one embodiment, during the process of generating the concentrated detergent 1040, air bubbles 1042 may be generated within the tub 1010, and the air bubbles 1042 may be attached to the rotating drum 1020 and located inside the drum 1020. The laundry 1000 and the air bubbles 1042 may partially come into contact. The laundry 1000 located inside the drum 1020 may rotate with the drum 1020 while in contact with the inner boundary of the drum 1020 due to centrifugal force caused by the rotation of the drum 1020 at the first rotation speed. Through this, it is possible to reduce the contact of the laundry 1000 with water before the concentrated detergent 1040 is formed. At the same time, as the concentrated detergent 1040 flows into the drum 1020 in the form of bubbles 1042, etc., the concentrated detergent 1040 flows into the laundry 1000 before the washing section consisting of an additional water supply section and an additional washing section. Since it can be mixed uniformly, the washing effect can be improved while reducing damage to the laundry 1000.

According to one embodiment, the laundry treatment device 100 may ensure that the concentrated detergent 1040 introduced into the drum 1020 is evenly applied to the laundry 1000 through an operation 1060 of turning the laundry 1000 over in the washing section. there is. Referring to FIG. 10 , it can be understood that bubbles generated from the concentrated detergent 1040 flow into the drum 1020 and mix with the laundry 1000. According to one embodiment, the second rotation speed at which the drum 1020 rotates in the washing section is slower than the first rotation speed at which the drum 1020 rotates in the water supply section, so the concentrated detergent 1040 is relatively The concentrated detergent 1040 introduced in this way may be evenly applied to the laundry 1000 as the laundry 1000 is turned over inside the drum 1020 rotating at the second rotation speed.

According to one embodiment, the direction in which the drum 810 rotates in at least one of the water supply section and the washing section may be in one direction. That is, the control unit 850 can control the driving unit 820 so that the drum 810 rotates in only one direction without swinging in at least one of the water supply section and the washing section, and through this, the water supply section and/or Alternatively, the drums 810 rotate in both directions in the washing section, thereby preventing damage to the laundry due to phenomena such as twisting of the laundry.

According to one embodiment, the control unit 850 may control the driving unit 820 so that the drum 810 is driven in a specific direction a plurality of times and then driven in the opposite direction in at least one of the water supply section and the washing section.

According to one embodiment, the rotation direction of the drum 810 in the water supply section and the washing section may be in opposite directions.

According to one embodiment, in order to evenly apply the concentrated detergent 1040 to the laundry 1000 in the washing section, the laundry treatment device 800 includes a circulation nozzle 165 to directly apply the concentrated detergent 1040 into the drum 1020. Additional configurations such as the like may also be included.

FIG. 11 is a diagram for explaining the operation of the laundry treatment device 800 in an additional water supply section and an additional washing section performed after the water supply section and the washing section, according to an embodiment.

According to one embodiment, the laundry treatment device 800 may perform a washing process for laundry by performing an additional water supply section and an additional washing section in addition to the water supply section and washing section described above.

According to one embodiment, the laundry treatment device 800 may perform an additional water supply section providing a predetermined second quantity of water. The control unit 850 may control the water supply unit 840 to provide a predetermined second quantity of water to the drum 810 included in the tub 110.

According to one embodiment, the second quantity may be greater than the first quantity. According to one embodiment, the second quantity may be predetermined as a quantity that reaches a height within a predetermined range based on the center of the drum 810. That is, when the second quantity of water is provided, the control unit 850 may control the water supply unit 840 to provide enough water to reach a height within a predetermined range based on the center of the drum 810. For example, the control unit 850 may control the water supply unit 840 to supply water within a 5% upper/lower range based on a predetermined amount of water reaching the center of the drum 810. However, the specific quantity range does not need to be interpreted as limited to the above examples.

According to one embodiment, the laundry treatment device 800 may perform an additional washing section in which laundry is washed while being supplied with a second quantity of water.

According to one embodiment, the control unit 850 may control the drive unit 820 to apply a physical force in the vertical and/or horizontal direction to the laundry by providing a motion to turn the laundry over and a motion to shake the laundry left and right in the additional washing section. there is.

According to one embodiment, the control unit 850 may control the driving unit 820 to apply a physical force in the vertical direction to the laundry by rotating the drum 810 by a first rotation angle to turn the laundry over. According to one embodiment, the first rotation angle may be predetermined to be an angle of 180 degrees or more (for example, 270 degrees).

According to one embodiment, the control unit 850 rotates the drum 810 by the second rotation angle to cause the laundry to move back and forth left and right through the movement of the washing water provided in the drum 810, thereby imparting a physical force in the horizontal direction to the laundry. The driving unit 820 can be controlled as much as possible. According to one embodiment, the second rotation angle may be an angle (e.g., 60 degrees) smaller than the first rotation angle, and the drive unit 820 rotates the drum 810 clockwise or counterclockwise within the second rotation angle range. It can be rotated back and forth clockwise.

According to one embodiment, the control unit 850 may control the drive unit 820 to apply physical force in the horizontal and vertical directions to the laundry by repeating a combination of a motion to turn the laundry and a motion to shake the laundry left and right in an additional washing section. there is.

According to one embodiment, the laundry treatment device 800 may further perform a rinsing section and a spin-drying section after performing an additional washing section. According to one embodiment, the control unit 850 may control the driving unit 820 to rotate the drum 810 at a predetermined third rotation speed or less after the additional washing section to dehydrate the laundry. According to one embodiment, the third rotation speed may be a rotation speed that is relatively lower than the rotation speed used when dehydrating other laundry that does not require delicate washing treatment. For example, the third rotation speed may be predetermined to be a rotation speed of 400 RPM or less, but it does not need to be interpreted as limited to this.

Referring to FIG. 11 , the control unit 850 may control the water supply unit 840 to further supply a second quantity of water, which is the amount of water reaching a height within a predetermined range based on the center of the drum 1120. According to one embodiment, the control unit 850 may be further configured to control the detergent supply unit 830 to supply additional detergent during the process of supplying the second quantity of water.

FIG. 11 shows that as the second quantity of water is supplied, the washing water reaches a height substantially equal to the height of the rotation center of the drum 1120 and is supplied to the tub 1110. According to one embodiment, the laundry 1100 may be floating or sinking in the washing water 1140 inside the drum 1120.

According to one embodiment, the control unit 850 may control the driving unit 820 to rotate the drum 810 so that physical force in the vertical and horizontal directions is applied to the laundry 1100.

Referring to FIG. 11, according to one embodiment, in the additional washing section, the control unit 850 rotates the drum 1120 at a predetermined first rotation angle to perform a flipping operation 1150 of the laundry 1100. ) can be controlled. According to one embodiment, the laundry 1100 may be turned over due to the drum being rotated at the first rotation angle, and a vertical physical force may be applied to the laundry 1100 due to the drop.

Referring to FIG. 11, according to another embodiment, in the additional washing section, the control unit 850 rotates the drum 1120 at a predetermined second rotation angle to perform an operation 1160 to shake the laundry 1100 in the horizontal direction. The driving unit 820 can be controlled to do so. According to one embodiment, the laundry 1100 may move back and forth in the horizontal direction due to the drum rotated at the second rotation angle, and due to the movement, a physical force in the horizontal direction may be applied to the laundry 1100.

According to one embodiment, a washing cycle may be performed through a combination of an operation in which the drum 1120 rotates at a first rotation angle and a second rotation angle so that physical forces in the vertical and horizontal directions are applied in the additional washing section.

According to another embodiment, the additional water supply section and the additional washing section may correspond to a section in which the drum 810 rotates in the opposite direction to the rotation in the previously performed water supply section and washing section. That is, the laundry processing device 800 may rotate the drum 810 in the same or different single direction in the water supply section and the washing section, respectively, and in the additional water supply section and the additional washing section, the drum 810 may rotate in the direction rotated in the water supply section and the washing section, respectively. The drum 810 can be rotated in the opposite direction.

According to one embodiment, the laundry treatment device 800 may perform a washing cycle for laundry by performing a water supply section, a washing section, an additional water supply section, and an additional washing section, and then additionally perform a rinsing section and a spin-drying section. According to one embodiment, the rinsing section may consist of discharging wash water to the outside of the tub 110 through an additional washing section, supplying water for rinsing to the tub, and rotating the drum 130, which is similar to the conventional washing section. This can be implemented through various rinsing operations.

According to one embodiment, the laundry treatment device 800 may perform a spin-drying section for dehydrating laundry by rotating the drum 810 at a speed equal to or lower than a predetermined third rotational speed after the rinsing section.

Figure 12 displays information related to the operation of the drum 810 corresponding to each of the water supply section and the washing section, according to one embodiment.

According to one embodiment, Figure 12 (a) shows the operation of the laundry treatment device 800 in the water supply section and displays numerical values related to the specific operation of the drum 810.

According to one embodiment, the control unit 850 may control the driving unit 820 so that the drum 810 rotates at a rotational acceleration of 100 rpm/s in the water supply section. According to one embodiment, the control unit 850 may accelerate the rotational speed of the drum 810 at a predetermined rotational acceleration until it reaches the target rotational speed (for example, 70 RPM).

According to one embodiment, the control unit 850 may control the driving unit 820 to rotate the drum 810 for a predetermined time (eg, 250 seconds) in the water supply section. According to one embodiment, the predetermined rotation time of the drum 810 may be calculated based on the time when the target rotation speed is reached or may be calculated based on the time when the drum 810 begins to rotate.

According to one embodiment, the control unit 850 may control the driving unit 820 so that the drum 810 rotates for a predetermined time in the water supply section and then stops rotating for a predetermined time (for example, 30 seconds). . According to one embodiment, the predetermined rotation stop time of the drum 810 may be calculated based on the time when the rotation of the drum 810 completely stops or may be calculated based on the time when the drum 810 begins to rotate.

According to one embodiment, Figure 12 (b) shows the operation of the laundry treatment device 800 in the washing section and displays a specific drum 810.

According to one embodiment, the laundry processing device 800 may be set to perform a washing section at one of a plurality of washing intensities in the washing section based on washing course information input by the user. That is, the laundry processing device 800 can perform a washing cycle including a water supply section and a washing section as a washing operation for washing delicate laundry, and may select one of a plurality of washing intensities to perform the washing section included in this washing operation. One can be selected.

According to one embodiment, the selection of one of a plurality of washing strengths may be a selection by the user or information obtained from at least one sensor (not shown) included in the laundry processing device 800 (e.g., Weight, volume, etc.), and information on the amount of laundry obtained from the drive unit 820 (for example, the load applied when driving the drive unit 820, etc.) may be automatically set.

According to one embodiment, the control unit 850 of the laundry processing device 800 includes a driving unit ( 820) can be controlled.

According to one embodiment, at least one of the operation type, rotation time, stop time, and target rotation speed of the drum 810 may be preset to be different depending on the intensity of the plurality of washings to be performed in the washing section. According to one embodiment, the definition of the rotation time and stop time of the drum 810 may be calculated according to various criteria as described above.

For example, referring to (b) of FIG. 12, the rotation time of the drum 810 in the washing section performed at the first washing intensity is the rotation time of the drum 810 in the washing section performed at the second washing intensity. may be shorter than that, and on the other hand, the stopping time of the drum 810 in the washing section performed at the first washing intensity may be longer than the stopping time of the drum 810 in the washing section performed at the second washing intensity. .

According to one embodiment, the rotation speed, rotation angle, rotation direction, etc. of the drum 810 may be set differently depending on the plurality of washing intensities in the washing section. According to one embodiment, the operation form of the drum 810 in the washing section has been described in detail through FIGS. 10 and 11, and therefore detailed description will be omitted.

The present disclosure described above may be subject to various substitutions, modifications, and changes without departing from the technical spirit of the present disclosure to those skilled in the art to which the present disclosure pertains. It is not limited by the drawings. In addition, the embodiments described in the present disclosure are not limited to application, and all or part of each embodiment may be selectively combined so that various modifications can be made.

The above-described disclosure may be subject to various substitutions, modifications, and changes without departing from the technical spirit of the embodiments to those skilled in the art to which the present disclosure pertains. It is not limited by .

Claims

In a method of controlling a laundry processing device,

performing a water supply section providing a first predetermined quantity of wash water; and

A washing section for washing laundry stored in a drum of a laundry treatment device is performed for a first predetermined time while a first quantity of wash water is provided,

The washing section includes a first washing motion section for applying washing force in the vertical direction to the laundry and a second washing motion section for applying washing force in the horizontal direction to the laundry.
According to claim 1,

A method of handling laundry, wherein the first quantity of washing water is within a predetermined range based on half the height of the drum.
According to claim 2,

A method of processing laundry, wherein the first quantity of washing water is a quantity that can fill more than 1/4 of the height of the drum.
The method of claim 1, wherein performing the washing section includes:

Rotating the drum by a first rotation angle for turning the laundry over to apply vertical washing force to the laundry in the first washing motion section; and

A laundry processing method comprising rotating the drum by a second rotation angle for shaking the laundry in at least the horizontal direction in the second washing motion section.
The method of claim 4, wherein rotating the drum by the second rotation angle comprises:

Rotating the drum in the first direction by a second rotation angle and then performing reverse phase braking; and

After reverse braking, rotating the drum by a second rotation angle in a second direction opposite to the first direction;

A laundry treatment method comprising repeating the reverse phase braking step and the step of rotating the drum by a second rotation angle in the first direction or the second direction for a second predetermined time.
According to claim 4,

A method of handling laundry, wherein the first rotation angle is greater than the second rotation angle.
According to claim 6,

A laundry treatment method, wherein the first rotation angle is 180 degrees or more and the second rotation angle is 90 degrees or less.
The method of claim 1, wherein performing the washing section includes:

A laundry processing method further comprising performing at least one wash cycle including a first wash motion section and a second wash motion section.
In the laundry processing device,

drum;

a driving unit configured to rotate the drum;

a washing water supply unit configured to provide washing water; and

A washing water supply unit and a driving unit to perform a water supply section for providing a first predetermined quantity of washing water, and to perform a washing section for washing laundry stored in a drum with the first quantity of washing water provided for a first predetermined time. A control unit configured to control at least one of the

The washing section includes a first washing motion section for applying washing force in a vertical direction to laundry and a second washing motion section for applying washing force in a horizontal direction to laundry.
According to clause 9,

The first quantity of washing water is a quantity within a predetermined range based on half the height of the drum.
The method of claim 9, wherein the control unit

In the first washing motion section, the drum is rotated by a first rotation angle for turning the laundry over in order to apply vertical washing force to the laundry.

In the second washing motion section, rotate the drum by a second rotation angle for shaking the laundry in at least the horizontal direction.

A laundry processing device that controls the driving unit.
The method of claim 11, wherein the control unit

After rotating the drum in the first direction by the second rotation angle, reverse phase braking is performed,

After reverse braking, the drum is rotated by a second rotation angle in a second direction opposite to the first direction,

The process of reverse braking and the process of rotating the drum in the first or second direction by a second rotation angle are repeated for a second predetermined time.

A laundry processing device that controls the driving unit.
According to claim 11,

A method of handling laundry, wherein the first rotation angle is greater than the second rotation angle.
According to claim 13,

A laundry treatment method, wherein the first rotation angle is 180 degrees or more and the second rotation angle is 90 degrees or less.
According to clause 9,

A laundry treatment device, wherein the control unit controls the driving unit to perform at least one washing cycle consisting of a first washing motion section and a second washing motion section.