WO2018182277A1 - 세탁물 처리기기의 탈수행정 제어방법 - Google Patents
세탁물 처리기기의 탈수행정 제어방법 Download PDFInfo
- Publication number
- WO2018182277A1 WO2018182277A1 PCT/KR2018/003584 KR2018003584W WO2018182277A1 WO 2018182277 A1 WO2018182277 A1 WO 2018182277A1 KR 2018003584 W KR2018003584 W KR 2018003584W WO 2018182277 A1 WO2018182277 A1 WO 2018182277A1
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- WO
- WIPO (PCT)
- Prior art keywords
- drum
- rotational speed
- dehydration
- rotation speed
- range
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 230000018044 dehydration Effects 0.000 claims description 160
- 238000006297 dehydration reaction Methods 0.000 claims description 160
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 230000008569 process Effects 0.000 claims description 13
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 abstract description 5
- 208000005156 Dehydration Diseases 0.000 description 130
- 239000004744 fabric Substances 0.000 description 17
- 238000005406 washing Methods 0.000 description 12
- 239000000725 suspension Substances 0.000 description 9
- 239000003599 detergent Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000239290 Araneae Species 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/48—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
- D06F21/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/007—Methods for washing, rinsing or spin-drying for spin-drying only
-
- 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
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
-
- 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
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
- D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
-
- 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
- D06F49/00—Domestic spin-dryers or similar spin-dryers not suitable for industrial use
- D06F49/06—Mountings, e.g. resilient mountings, for the bowl or casings; Preventing or damping vibrations
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/26—Imbalance; Noise level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Definitions
- the present invention relates to a method of controlling a laundry treatment machine, and more particularly, to a method of controlling dehydration of laundry by using a laundry treatment machine.
- a laundry treatment device is a device that cleans through a process such as washing, rinsing, and dehydrating to remove contaminants on clothes, bedding, etc. (hereinafter, referred to as “po”) using water, detergent, and mechanical action.
- the balance for the washing machine may be a ball balancer or a liquid balancer.
- the ball balancer reduces the unbalance generated by the rotation of the drum due to the movement of the ball inside, but when the drum rotates more than a certain speed, the ball balance is difficult to move the ball inside the ball balancer due to water dropping during the dehydration stage. What is needed is a way to reduce rotation.
- the problem to be solved by the present invention is to provide a dehydration administration control method of the laundry treatment machine to reduce the unbalance rotation of the drum due to the drainage during the dehydration process.
- Another problem to be solved by the present invention is to provide a dewatering administration control method of the laundry treatment machine to reduce the unbalance rotation of the drum that may occur in the acceleration or deceleration rotation of the drum.
- Dehydration administration control method of the laundry treatment machine as a means for solving the above problems a plurality of rotating the drum beyond the adjustable rotation speed range for adjusting the arrangement so that the ball disposed on the ball balancer corresponds to the changed amount of eccentricity Dehydration step of; And a ball balancer arrangement adjustment step performed between each of the plurality of dewatering steps and rotating the drum at an adjustable rotation speed range, thereby adjusting the variation in the amount of eccentricity caused by water draining in each dewatering step.
- a plurality of dehydration steps of the dehydration administration control method of the laundry treatment machine includes a preliminary dehydration step of rotating the drum below the resonance point of the cabinet; And a main dehydration step in which the drum rotates beyond the resonance point of the cabinet, and the ball balancer arrangement adjustment step rotates the drum in a controlled rotational speed range between the preliminary dehydration step and the main dehydration step, in the preliminary dewatering step. Adjusts the fluctuation of the amount of eccentricity that may occur due to water drainage.
- the dehydration step of the present invention includes a first dehydration step of rotating the drum beyond the resonance point of the cabinet; A second dehydration step of rotating the drum at a maximum rotation speed higher than the maximum rotation speed of the first dehydration step; And the main dehydration step is divided into a third dehydration step of rotating the drum for a longer time than the second dehydration step at the maximum rotational speed, and the ball balancer arrangement adjustment step rotates the drum in an adjustable rotation speed range between each dehydration step. To adjust the variation in the amount of eccentricity of the drum due to water draining between the steps of the main dehydration step.
- the drum is rotated below the resonance point, thereby preventing excessive vibration that may occur in the drum.
- the first dehydration step the maximum vibration value in the first set rotational speed range of the drum formed below the resonance point, and at the second set rotational speed range formed below the resonance point, higher than the first set rotational speed range
- the drum's rotational speed is maintained in the second set rotational speed range, and the first set rotational speed range and the second set rotational speed range are controlled by water in the first dehydration step. By setting it to the section where there is much fall, it prevents the over vibration which may occur when the drum rotates above the cabinet resonance point.
- the present dehydration step of the present invention the acceleration step of accelerating the rotational speed of the drum to the maximum rotational speed; And a deceleration step of decelerating the rotational speed of the drum at the maximum rotational speed, wherein the deceleration step includes a ball placement holding section for preventing over-vibration of the cabinet generated during the deceleration of the drum. In order to prevent over-vibration of the drum occurring in the decelerating rotation of the drum.
- the dehydration stroke control method of the laundry treatment machine includes a ball balancer arrangement adjustment step of rotating the drum in a controlled rotation speed range between the preliminary dehydration step and the main dehydration step, and occurs in the dehydration process There is an effect to prevent the cabinet from over-vibration due to the unbalanced rotation of the drum.
- the dehydration stroke control method of the laundry treatment machine includes a ball balancer arrangement adjustment step of rotating the drum in the adjustable rotation speed range between the first to third dehydration step of rotating the drum above the resonance point, dehydration This prevents the cabinet from over-vibration due to the unbalanced rotation of the drum, which may occur due to water drainage during the stroke.
- the dewatering stroke control method of the laundry treatment machine according to the present invention does not accelerate the drum above the resonance point when the water is out of a predetermined range in the dehydration process below the resonance point of the first dehydration step, while the drum rotates above the resonance point It has the effect of preventing excessive vibration that may occur in the cabinet.
- FIG. 1 is a block diagram of a laundry treatment machine according to a first embodiment of the present invention.
- FIG. 2 is a partially exploded perspective view of a laundry treatment machine according to a second embodiment of the present invention.
- FIG. 3 is a cross-sectional view of the combination of FIG.
- FIG. 4 is a block diagram of a laundry treatment machine including a control unit according to an embodiment of the present invention.
- FIG. 5 is a view showing the rotational speed of the drum during dehydration of the laundry treatment machine according to an embodiment of the present invention.
- FIG. 6 is a view illustrating a rotation speed of a drum when dewatering the laundry treatment apparatus of the first dehydration step of FIG. 5.
- FIG. 7 is a flowchart illustrating a dehydration control method of a laundry treatment machine according to an embodiment of the present invention.
- FIG. 8 is a flowchart illustrating an initial adjustment step of a ball balancer in the dehydration control method of the laundry treatment machine according to the embodiment of the present invention.
- FIG. 9 is a flowchart illustrating a preliminary dehydration step of the dehydration control method of the laundry treatment machine according to an embodiment of the present invention.
- FIG. 10 is a flowchart illustrating a first dehydration step of the dehydration control method of the laundry treatment machine according to the embodiment of the present invention.
- FIG. 1 is a block diagram of a laundry treatment machine according to a first embodiment of the present invention.
- the laundry treatment machine 100 according to an embodiment of the present invention, the cabinet 111 to form an appearance, the door 112 for opening and closing one side of the cabinet to enter and exit the cabinet, and the inside of the cabinet
- a tub 122 disposed in the tub and supported by the cabinet, a drum 124 disposed inside the tub and rotating with a cloth inserted therein, a drive unit 113 rotating by applying torque to the drum, and a detergent box containing detergent 133, and a control panel 114 that accepts user input and displays a laundry treatment machine status.
- the cabinet 111 is formed with a feed-out hole 111a to allow entry and exit of the fabric.
- the door 112 is rotatably coupled to the cabinet 111 so as to enable opening and closing of the discharge hole 111a.
- the cabinet 111 is provided with a control panel 114.
- the cabinet 111 is provided with a detergent box 133 to be withdrawn.
- Tub 122 is buffered by the spring 115 and the damper 117 in the cabinet 111.
- Tub 122 receives the wash water.
- the tub 122 is disposed surrounding the drum 124 on the outside of the drum 124.
- a tub hole 122a is formed on the front surface of the tub 122.
- the tub hole 122a is formed such that the discharge hole 111a communicates with the drum 124 to allow entry and exit of the gun.
- the driving unit 113 is disposed at the rear of the tub 122 to generate a rotational force.
- the driving unit 113 is connected to the rotating shaft 116 to rotate the drum 124.
- the driving unit 113 may rotate the drum 124 at various speeds or directions.
- the driving unit 113 includes a stator (not shown) in which coils are wound, and a rotor (not shown) that rotates by generating electromagnetic interaction with the coil.
- the rotating shaft 116 connects the driving unit 113 and the drum 124.
- the rotating shaft 116 transmits the rotational force of the driving unit 113 to the drum 124 to rotate the drum 124.
- One end of the rotating shaft 116 is coupled to the center of rotation behind the drum 124, the other end is coupled to the rotor (not shown) of the drive unit 113.
- the drum 124 is rotated by receiving the cloth.
- the drum 124 is disposed inside the tub 122.
- the drum 124 is formed in a rotatable cylindrical shape.
- the drum 124 is formed with a plurality of through holes so that the wash water passes.
- the drum 124 rotates by receiving the rotational force of the driving unit 113.
- a drum hole is formed in front of the drum 124.
- the drum hole 124a is formed to communicate with the discharge hole 111a and the tub hole 122a to allow the inside and outside of the fabric to enter the drum 124.
- the front ball balancer 140a is coupled to the front rim of the drum 124, and the rear ball balancer 140b is coupled to the rear rim of the drum 124.
- the front and rear ball balancers 140a and 140b include a filling fluid together with the balls 142 therein.
- the ball balancers 140a and 140b may further include a balancer housing 144 that partitions the movement path of the ball 142 along the inner circumference or the outer circumference of the drum 124. That is, the balancer housing 144 may be provided along the inner circumference or the outer circumference of the drum (), and the ball 142 may move in the balancer housing 144.
- the gasket 128 seals between the tub 122 and the cabinet 111.
- the gasket 128 is disposed between the inlet of the tub 122 and the discharge hole 111a.
- the gasket 128 mitigates the shock transmitted to the door 112 when the drum 124 rotates and at the same time prevents the wash water in the tub 122 from leaking to the outside.
- the gasket 128 may be provided with a circulation nozzle 127 for spraying washing water into the drum 124.
- a water supply valve 131 for controlling the inflow of the washing water from an external water source, a water supply passage 132 through which the washing water introduced into the water supply valve flows into the detergent box 133, and the detergent box 133 It is preferable that a water supply pipe 134 for introducing washing water mixed with detergent into the tub 122 is provided.
- the cabinet 111 has a drain pipe 135 through which the wash water in the tub 122 flows out, a pump 136 for flowing out the wash water in the tub, a circulation passage 137 for circulating the wash water, and a wash water drum ( 124 is preferably provided with a circulation nozzle 127 and a drain passage 138 through which washing water is drained to the outside.
- the pump 136 may be provided as a circulation pump and a drain pump, and may be connected to the circulation passage 137 and the drain passage 138, respectively.
- the tub 122 is provided with a vibration sensor 150 for sensing the vibration amount of the tub 122. Vibration caused by the unbalance of the drum 124 is transmitted to the tub 122 by the rotation shaft 116 to cause the vibration of the tub 122.
- the vibration sensor 150 detects the vibration amount of the tub 122 and measures the unbalance degree of the drum 124.
- the vibration sensor is disposed in front of the tub 122, the front vibration sensor for detecting the front vibration amount which is the amount of vibration in front of the tub 122, and the rear of the tub 122 is disposed behind the tub 122 It may include a rear vibration sensor for sensing the rear vibration amount which is the vibration amount.
- the vibration sensor 150 is disposed at an upper rear side of the tub 122.
- the control panel 114 includes an input unit (not shown) for inputting various operation commands such as a washing course selection, an operation time and a reservation for each stroke, and a display unit for displaying an operation state of the laundry processing apparatus 100 through a user ( Not shown) may be provided.
- Figure 2 is a partially exploded perspective view of a laundry treatment machine according to a second embodiment of the present invention
- Figure 3 shows a combined cross-sectional view of FIG.
- the tub 220 is fixedly supported by the cabinet 211.
- the tub 220 includes a tub front 221 constituting the front portion and a turbine 222 constituting the rear portion.
- the tub front 221 and the tube 222 may be assembled by screws.
- Tub 220 has an opening in the back.
- the inner circumference of the back of the tub 220 is connected to the outer circumference of the rear gasket 225.
- the inner circumference of the rear gasket 225 is connected to the tub back 223.
- Tub back 223 has a through-hole is formed through the rotation axis in the center.
- the rear gasket 225 is made of a flexible material so that the vibration of the tub back 223 is not transmitted to the tub 220.
- the rear () of the tub 220, the tub back 223 and the rear gasket 225 constitutes the rear wall surface of the tub.
- the rear gasket 225 is connected to the tubback 223 and the tubular 222 so as to be sealed, respectively, so that the wash water in the tub does not leak.
- the back gasket 225 may have a pleat 226 that may extend to a sufficient length to allow such relative movement of the tubback 223.
- a front gasket 227 is connected to the front portion of the tub 220 to prevent foreign matter from flowing between the tub and the drum.
- the front gasket 227 is made of a flexible material, is fixed to the front of the tub 220.
- the front gasket 227 may be made of the same material as the rear gasket 225.
- the cabinet 211 forms the outline of the laundry treatment machine 200.
- the cabinet 211 includes a front cabinet (not shown), a rear cabinet 213, a side cabinet 214, a top cabinet (not shown), and a base cabinet 215.
- the drum 230 is composed of a drum front 231, a drum center 232, a drum bag 233, and the like.
- the drum 230 is rotated by receiving the cloth.
- the drum 230 is disposed inside the tub 220.
- Ball balancers 240a and 240b are installed at the front and rear portions of the drum 230, respectively.
- the front and rear ball balancers 240a and 240b include a filling fluid together with the balls 242 therein.
- the ball balancers 240a and 240b may further include a balancer housing 244 that defines a movement path of the ball 242 along the inner circumference or the outer circumference of the drum 224.
- the drum 230 is connected to the spider 250 at the rear surface, and the spider 250 is connected to the rotation shaft 251.
- the drum 230 rotates in the tub 220 by the rotational force transmitted through the rotation shaft 251.
- the rotating shaft 251 penetrates the tub back 223 and is directly connected to the driving unit 252.
- the bearing housing 260 is coupled to the rear surface of the tub back 223.
- the bearing housing 260 rotatably supports the rotation shaft 251 between the driving unit 252 and the tubback 223.
- the stator 253 is fixed to the bearing housing 260.
- the rotor 254 is positioned to surround the stator 253.
- the rotor 254 is directly connected to the rotation shaft 251.
- the driving unit 252 is an outer rotor type motor and is directly connected to the rotating shaft 251.
- the bearing housing 260 is supported from the base cabinet 215 through the suspension unit.
- the suspension unit 261 includes three vertical supports and two inclined supports that are inclined with respect to the front-rear direction.
- the suspension unit 261 may include two front cylinder springs, one rear cylinder spring, and two cylinder dampers 265.
- the front cylinder spring 262 is connected between the suspension bracket 266 and the base cabinet 215.
- the rear cylinder spring 263 is directly connected between the bearing housing 260 and the base cabinet 215.
- the cylinder damper 265 is inclined between the suspension bracket 266 and the rear of the base cabinet 215.
- the cylinder springs 262 and 263 of the suspension unit 261 may be connected to the base cabinet 215 to allow a certain amount of elastic deformation to allow the drum to move forward and backward and to the left and right without being fixedly connected to the base cabinet 215. That is, it is elastically supported to allow rotation to some extent in the front and rear and left and right with respect to its support point connected to the base cabinet 215.
- the vertical installation of the suspension unit 261 may be configured to elastically damp the vibration of the drum, and the diagonal installation may be configured to damp the vibration. That is, the vertically installed in the vibration system including the spring and the damping means serves as the spring and the obliquely installed may act as the damping means.
- the tub 220 is fixedly installed in the cabinet 211, and the vibration of the drum 230 is buffered and supported by the suspension unit 261. Substantially, the support structure of the tub 220 and the drum 230 may be referred to as a separate form. In addition, the tub 220 may be a form that does not vibrate even if the drum 230 vibrates.
- Bearing housing 260 and suspension brackets 266 are connected by weights 267.
- Tub 220 is provided with a vibration sensor 270 for sensing the vibration amount of the tub 220. Vibration caused by the unbalance of the drum 230 may be transmitted to the tub 220 by the rotation shaft 251 to cause vibration of the tub 220.
- the vibration sensor 270 detects the vibration amount of the tub 220 and measures the unbalance degree of the drum 230.
- the vibration sensor 270 may detect forward or leftward vibration of the tub 220.
- the vibration sensor 270 may be provided in plural in front and rear of the tub 220.
- the vibration sensor 270 according to the present embodiment may be disposed at the upper rear side of the tub 220.
- Laundry processing device 200 is an input unit (not shown) for receiving a variety of operation commands, such as washing course selection, operation time and reservation for each administration through the user, and operation of the laundry processing device 200 It further includes a control panel 272 having a display unit (not shown) for displaying the status.
- FIG. 4 is a block diagram of a laundry treatment machine including a control unit according to an embodiment of the present invention.
- the laundry treatment machine includes a controller 300 that controls the overall operation of the fine water treatment apparatus 100 or 200 according to an operation command received from the control panels 114 and 272.
- the controller 300 may include a microcomputer, a storage device, and other electronic components for controlling the operation of the laundry treatment machine.
- the control unit 300 determines whether or not the operation of each stroke according to the washing course selected by the user, whether or not the operation of the water supply, washing, rinsing, draining, dehydration and drying, and the number of times, repetition, etc.
- the valve 131, the driving units 113 and 252, and the pump 136 are controlled.
- the controller 300 controls the driving unit according to the vibration amount of the tubs 122 and 220 measured by the vibration detection sensors 150 and 270 to adjust the rotation speeds of the drums 124 and 230.
- the controller 300 according to the present embodiment adjusts the rotational speed of the drum according to each dehydration step.
- FIG. 5 is a view showing the rotational speed of the drum during dehydration of the laundry treatment machine according to an embodiment of the present invention.
- FIG. 6 is a view illustrating a rotation speed of a drum when dewatering the laundry treatment apparatus of the first dehydration step of FIG. 5.
- 7 is a flowchart illustrating a dehydration control method of a laundry treatment machine according to an embodiment of the present invention.
- 8 is a flowchart illustrating an initial adjustment step of the ball balancer in the dehydration control method of the laundry treatment machine according to an embodiment of the present invention.
- 9 is a flowchart illustrating a preliminary dehydration step of the dehydration control method of the laundry treatment machine according to an embodiment of the present invention.
- 10 is a flowchart illustrating a first dehydration step of the dehydration control method of the laundry treatment machine according to an embodiment of the present invention.
- Dehydration administration control method of the laundry treatment machine includes a plurality of dehydration step of rotating the drum beyond the control rotation speed range for adjusting the arrangement so that the ball disposed in the ball balancer corresponds to the changed amount of eccentricity; And a ball balancer arrangement adjustment step performed between each of the plurality of dehydration steps and rotating the drum at an adjustable rotation speed range.
- Dehydration administration control method of the laundry treatment machine includes a plurality of dehydration step of rotating the drum beyond the control rotation speed range for adjusting the arrangement so that the ball disposed in the ball balancer corresponds to the changed amount of eccentricity; And a ball balancer arrangement adjustment step performed before each of the plurality of dehydration steps, to rotate the drum at an adjustable rotation speed range.
- eccentric rotation includes a case in which the drums 124 and 230 rotate in a state in which the ball balancer does not correct the amount of eccentricity of the gun, and a case in which the drum rotates in a state in which the eccentric amount is changed due to water dropping during the dehydration process.
- Vibration generated in the eccentric rotation of the drum (124, 230) can be reduced by the ball balancer (140, 240) disposed in front and rear of the drum (124, 230).
- Balls 142 and 242 disposed inside the balancer housings 144 and 244 of the ball balancers 140 and 240 rotate while balancing the fabric to reduce vibrations generated in the cabinets 111 and 211.
- a plurality of balls 142 and 242 rotating inside the balancer housings 144 and 244 are disposed in the balancer housings 144 and 244.
- Dewatering control method of the laundry treatment machine according to the present embodiment to be described below to reduce the vibration of the tub that may occur due to the acceleration of the rotational speed of the drum using a ball balancer. Therefore, first, the movement of the ball disposed inside the balancer housing of the ball balancer according to the rotational speed of the drum, and the dehydration control method of the laundry treatment machine will be described.
- the plurality of balls 142 and 242 disposed in the balancer housings 144 and 244 are rotated by the friction force as the drums 124 and 230 are rotated. Since the plurality of balls 142 and 242 in the balancer housing 144 and 244 are not constrained to the drum when the drums 124 and 230 rotate, the balls 142 and 242 rotate at a different speed than the drum. However, eccentric laundry can adhere to the drum inner wall and rotate at about the same speed as the drum due to sufficient friction and lift of the drum inner wall.
- the rotational speed of the laundry and the rotational speed of the ball may be different, and the rotational speed of the laundry is faster than the rotational speed of the balls at the relatively low speed of rotation when the drum starts to rotate. Precisely, the rotational angular velocity is fast.
- the phase difference between the ball and the laundry that is, the phase difference with respect to the center of rotation of the drum, is continuously changed.
- the balls are brought into close contact with the outer circumferential surface of the movement path by the centrifugal force.
- the centrifugal force is increased so that the friction force between the circumferential surface and the balls is increased.
- the balls rotate at the same speed as the drum.
- the movement of the ball of the ball balancer as the rotational speed of the drum increases.
- the plurality of balls 142 and 242 disposed inside the balancer housings 144 and 244 vary with each other according to the rotational speed of the drum.
- the plurality of balls 142 and 242 are disposed below the balancer housings 144 and 244 in contact with each other.
- the plurality of balls 142 and 242 rotate the inside of the balancer housing 144 and 244 in a state in which the plurality of balls are spaced apart from each other by a predetermined interval.
- the gravity acts on the plurality of balls more than the centrifugal force due to the rotation of the drums 124 and 230, and a difference in the speed at which the balls rotate depending on the positions of the balancer housings 144 and 244 may occur.
- the inside of the balancer housing 144 and 244 rotates in a state in which a plurality of balls are in contact with each other in a range in which centrifugal force acting on the ball is greater than gravity.
- the drums 124 and 230 rotate in a range of 130 rpm, a plurality of balls are attached to rotate inside the balancer housing.
- the plurality of balls are spaced apart from each other to correspond to the amount of eccentricity of the fabric rotating inside the drum. And, when the rotational speed is accelerated to rotate the adjustable rotational speed range, the arrangement of the plurality of balls for rotating the balancer housing can be finely adjusted as a whole.
- the adjustable rotation speed range is a section in which the arrangement of the balls is finely controlled in a state where a plurality of balls are spaced in the balancer housing by further accelerating the drum in a range in which the centrifugal force acting on the ball is greater than gravity.
- the controlled rotation speed range N1 in the laundry treatment machine according to the present embodiment is performed at approximately 370 to 390 rpm, and preferably at 380 rpm.
- the drums 124 and 230 may be eccentrically rotated by a change of a certain amount of the eccentricity. This eccentric rotation becomes more severe when accelerating the rotational speed of the drum beyond the resonance point, causing excessive vibration of the cabinet.
- the drums 124 and 230 are rotated in the adjustable rotation speed range, so that the eccentric rotation of the drums 124 and 230 can be corrected even if the amount of eccentricity due to the escape of water impregnated in the fabric is changed.
- the drum may be eccentrically rotated to vibrate the cabinet.
- the laundry treatment machine drains the water stored in the tub and undergoes a ball balancer initial adjustment step (S100) for accelerating the drum to a controlled rotation speed range.
- the control unit 300 drains the water remaining in the tub in the previous step, accelerates the drum to the control rotation speed range, and corresponds to a plurality of balls disposed in the balancer housings 144 and 244. Adjust it so that it is positioned at the position.
- the control unit 300 accelerates the drums 124 and 230 to the adjustable rotation speed range.
- the control rotation speed range is maintained for a predetermined time (S120), and the rotation of the drums 124 and 230 determines whether or not vibration occurs over a predetermined range. The process goes to step S130.
- Vibration due to the rotation of the drum measures the front and rear or left and right vibration of the tub through the vibration sensor (150, 270) disposed in the tub.
- the control unit 300 decelerates the drum rotation speed to a predetermined speed or less, or stops the rotation of the drum, and again to accelerate the drum rotation speed (S110). Proceed.
- the controller 300 proceeds to the preliminary dehydration step (S200).
- the preliminary dehydration step (S200) is a process of draining a considerable amount of water impregnated in the fabric, and rotates the drums 124 and 230 below the resonance point of the cabinets 111 and 211.
- the rotation speeds of the drums 124 and 230 are accelerated to a range below the resonance point in a state in which a large amount of water is moistened in the fabric.
- Preliminary dehydration step (S200) to reduce the amount of eccentricity of the fabric by sufficiently draining the water contained in the fabric before the main dehydration step of rotating the drum beyond the resonance point.
- the preliminary dehydration step (S200) is a step (S210) of accelerating the rotational speed of the drum up to the maximum rotational speed (N2) below the resonance point.
- the maximum rotation speed N2 of the drum is formed below the rotation range of the resonance point of the cabinet to prevent excessive eccentricity variation.
- the maximum rotation speed N2 of the drum in the preliminary dehydration step is 600 rpm.
- the rotational speed of the drums 124 and 230 is detected at the vibration sensing rotational speed N3 to detect whether or not vibration of the laundry treatment device is generated (S220).
- the vibration sensing rotation speed N3 is formed between the adjustable rotation speed range N1 and the maximum rotation speed N2 of the preliminary dehydration step.
- the vibration sensing rotational speed N3 may be 540 to 560 rpm.
- the controller 300 decelerates the rotational speed of the drum to the controlled rotational speed range N1. Thereafter, the drum is accelerated at the vibration sensing rotation speed N3 again to determine whether the vibration is performed. Then, if the vibration detected by the vibration sensor (150, 270) still more than a certain level, the control unit 300 to reduce the rotational speed of the drum to a predetermined speed or less, or stop the rotation of the drum ball balancer initial adjustment step Perform (S100) again.
- the controller 300 sets the rotation speed of the drum to a predetermined speed or less. Decelerate or stop the rotation of the drum to perform the ball balancer initial adjustment step (S100) again.
- the control unit 300 accelerates the rotational speed of the drum to the maximum rotational speed N2 of the preliminary dehydration step. Go through (S230).
- the controller 300 maintains a predetermined time at the maximum rotational speed N2, and then decelerates the rotational speeds of the drums 124 and 230 to the controlled rotational speed range N1. Maintain a predetermined time at the maximum rotational speed (N2) so as to remove the water in the preliminary dehydration step (S200) as much as possible.
- controller 300 decelerates the rotation speeds of the drums 124 and 230 to the control rotation speed range N1 to perform the ball balancer arrangement adjustment step S10.
- the laundry treatment apparatus undergoes a plurality of ball balancer arrangement adjustment steps (S10, S20, S30) in the course of dehydration administration.
- Ball balancer arrangement adjustment step (S10, S20, S30) is a plurality of balls (142, rotating in the balancer housing (144, 244) by rotating the rotational speed of the drum (124, 230) to the adjustable rotational speed range (N1)
- the arrangement of 242 is finely adjusted.
- the laundry that has undergone the preliminary dehydration step (S200) or each dehydration step (S300, S400, S500) to be described below varies in the amount of eccentricity of the laundry depending on variables such as the type of laundry and the amount of water drained.
- the amount of eccentricity of laundry after each dehydration step (S200, S300, S400, S500) is generally changed in a decreasing direction, but in some cases, the amount of eccentricity is changed in a direction in which the eccentric amount is increased due to variables such as the type of laundry or the area where water is missing. It is also possible.
- each dehydration step (S200, S300, S400, S500)
- the rotational speed of the drum is rotated over the adjustable rotational speed range (N1), so that the ball inside the balancer housing (144, 244) is moved to a position corresponding to the change of the eccentricity.
- Difficult to change layout Therefore, in the dehydration administration control method of the laundry treatment machine according to the present embodiment, by placing the ball balancer arrangement adjustment step (S10, S20, S30) between each dehydration step (S200, S300, S400, S500) variation of the eccentricity according to water drainage Correspondingly, the ball inside the balancer housings 144 and 244 is finely adjusted.
- the dehydration step is a step of rotating the drum at a rotation speed above the resonance point after the preliminary dehydration step. This dehydration step rotates the drum in a band above the resonance point when the predetermined condition is satisfied.
- the main dehydration step includes an acceleration step of increasing the rotation speeds of the drums 124 and 230 to a maximum value of each step, and a deceleration step of lowering the rotation speed of the drums 124 and 230 from a maximum value to a ball balancer arrangement adjustment step.
- the main dehydration step may further include a holding step of maintaining the rotational speed of the drum (124, 230) at a maximum value of each step for a predetermined time.
- This dehydration step is the first dehydration step (S300) for rotating the drum beyond the resonance point of the cabinet, the second dehydration step (S400) having a maximum rotation speed of the drum higher than the first dehydration step and the maximum A third dehydration step (S500) for rotating the drum for a longer time than the second dewatering step at a rotational speed.
- the first dehydration step S300 rotates the drums 124 and 230 in a rotation speed range that is higher than a resonance point of the cabinet.
- the first dehydration step S300 rotates the drum in a range between the resonance point of the cabinet and the maximum rotational speeds M2 and M3 of the drum in the second or third dehydration step.
- the first dehydration step rotates the drums 124 and 230 between the resonance point of the cabinet and the resonance point of the door.
- the maximum rotational speed M1 of the drum in the first dehydration stage is formed lower than the maximum rotational speeds M2 and M3 of the drum in the second or third dehydration stage.
- the maximum rotation speed M1 of the drum is the maximum rotation speed of the drum in the second or third dehydration step. It is formed lower than (M2, M3).
- the maximum rotation speed M1 is performed in a band of about 1000 to 1100 rpm.
- the drum In the first dehydration step, when the change in the eccentricity due to the water draining in the drum rotation below the cabinet resonance point is less than the set range, as shown in FIG. 5, the drum is rotated up to the maximum rotational speed M1.
- the first dehydration step rotates the drum below the cabinet resonance point, as shown in FIG. This can prevent over-vibration that may occur in the cabinet by the rotation of the drum in the state passing through the resonance point and the resonance point by the vibration below the resonance point.
- the first dehydration step (S300) will be described in detail.
- the rotation speed of the drum is accelerated (S310).
- the controller 300 accelerates the drums 124 and 230 rotating in the control rotation speed range N1.
- step S330 the maximum vibration value V2 detected in step S is stored.
- the second set rotation speed range N5 has a higher rotation speed range than the first set rotation speed range N4.
- the first set rotation speed range N4 and the second set rotation speed range N5 are formed in the rotation speed range below the resonance point.
- the first preset rotational speed range N4 and the second preset rotational speed range N5 may be set to sections in which water drains most in the first dehydration step.
- the first set rotation speed range N4 of the laundry treatment machines 100 and 200 has a rotation speed of the drums 124 and 230 in a range of 649 rpm to 651 rpm, and a second set rotation speed range N5. ) May be formed in the range of the rotational speed of the drum (124, 230) 749rpm to 751rpm.
- a step (S340) is performed to determine a difference between the maximum vibration value V1 of the first set rotation speed range and the maximum vibration value V2 of the second set rotation speed range. As the difference between the vibration values increases, when the drums 124 and 230 accelerate to the resonance point, the vibration of the cabinet may appear over a certain range.
- the controller 300 In operation S350, the rotation speeds of the drums 124 and 230 are maintained in the second set rotation speed range N5. Maintaining the rotational speeds of the drums 124 and 230 in the second set rotational speed range N5 maintains one rotational speed within the second set rotational speed range N5 or the second set rotational speed range N5. Includes changing the speed within). For example, the rotation speeds of the drums 124 and 230 last accelerated in the second set rotation speed range N5 are maintained, or the minimum vibration value is measured among the vibration values measured in the second set rotation speed range N5.
- Maintaining the rotational speeds of the drums 124 and 230 in the second set rotational speed range N5 may be variously set in this manner when it is satisfied that it is within the second set rotational speed range N5.
- the controller 300 When the difference between the maximum vibration value V1 of the first set speed range N4 and the maximum vibration value V2 of the second set speed range N5 is less than or equal to the set value, the controller 300 performs a first dehydration step. Accelerate to the maximum rotation speed (M1) (S355). In this embodiment, it is determined whether or not the difference between the maximum vibration value V1 of the first set rotation speed range N4 and the maximum vibration value V2 of the second set rotation speed range N5 exceeds 100.
- the holding period in the maintaining of the second set rotation speed range N5 (S350), it is preferable to set the holding period so that the same amount as the amount of water dehydrated may be dehydrated in the acceleration (S360) to the maximum rotation speed.
- the period for maintaining the second set rotation speed range according to the present embodiment can be set to 120 seconds, which is one embodiment, wherein the holding period is equal to the amount of water dehydrated in the step S355 of accelerating to the maximum rotation speed.
- the amount of dehydration may vary within the range.
- Step (S360) of reducing the rotational speed of the drum includes a ball placement holding section (S1).
- the ball arrangement holding section (S1) prevents the cabinet from over-vibration occurs during the rotational speed reduction process of the drum. If the rotational speed of the drum drops sharply, the arrangement of the balls inside the balancer housings (144, 244) may be changed, resulting in over-vibration of the cabinet due to the eccentric rotation of the drum, but the ball placement maintenance section (S1) is prevented. do.
- Ball arrangement holding section (S1) may be formed in the range of 650rpm. However, this is one embodiment, the rotational speed range of the drum 124, 230 of the ball arrangement holding section (S1) in the step of reducing the rotational speed of the drum, the ball arrangement inside the balancer housing (144, 244) Various settings may be made in such a range that it does not change.
- the controller 300 decelerates the rotational speed of the drum to the control rotational speed range N1 to perform a ball balancer arrangement adjustment step (S20).
- the second dehydration step (S400) rotates the drum in the rotation speed range above the resonance point.
- the maximum rotation speed M2 of the second dehydration step S400 is higher than the maximum rotation speed M1 of the drum in the first dehydration step S300.
- the maximum rotational speed of the drum of the second dehydration step (S400) is formed at 1440 to 1600 rpm.
- the maximum rotation speed M2 of the drums 124 and 230 in the second dehydration step S400 may be divided into a first maximum rotation speed M2a and a second maximum rotation speed M2b.
- the controller 300 accelerates the drums 124 and 230 at the first maximum rotational speed M2a, and then controls the drums 124 and 230 when the vibrations detected by the vibration detection sensors 150 and 270 are below a predetermined range. Acceleration may be performed at the second maximum rotation speed M2b.
- the controller 300 controls the drums 124 and 230. ) Is maintained at the first maximum rotation speed M2a. In this case, the section for accelerating the rotational speed of the drum to the second maximum rotational speed M2b is omitted.
- the second dehydration step is to accelerate the rotational speed of the drum up to the maximum rotational speed (S410), maintaining the rotational speed of the drum at the maximum rotational speed (S420) and the rotational speed of the drum at the maximum rotational speed range And decelerating to step S430.
- the ball placement holding section (S2) to prevent the over-vibration of the cabinet generated in the process of decelerating the rotational speed of the drum in the same manner as the first dewatering step do.
- the third dehydration step (S500) rotates the drum in the rotation speed range above the resonance point.
- the maximum rotational speed of the third dehydration step (S500) is formed higher than the maximum rotational speed of the drum in the first dehydration step (S300).
- the maximum rotational speed of the drum of the third dehydration step (S500) is formed at 1440 to 1600 rpm.
- the maximum rotation speed M3 of the drums 124 and 230 in the third dehydration step S500 may be divided into a first maximum rotation speed M3a and a second maximum rotation speed M3b.
- the controller 300 accelerates the drums 124 and 230 at the first maximum rotational speed M3a, and when the vibrations detected by the vibration detection sensors 150 and 270 are below a predetermined range, the drums 124 and 230 are moved. It may accelerate to the second maximum rotation speed M3b.
- the controller 300 controls the drums 124 and 230. ) Is maintained at the first maximum rotation speed M3a.
- the third dehydration step is to accelerate the rotational speed of the drum to the maximum rotational speed (S510), to maintain the rotational speed of the drum at the maximum rotational speed (S520) and to reduce the rotational speed of the drum at the maximum rotational speed ( S530).
- the time required for maintaining the rotational speed of the drum of the third dehydration step (S500) at the maximum rotational speed (S520) is a step of maintaining the rotational speed of the drum of the second dehydration step (S400) at the maximum rotational speed (S420). It can be set longer than the time required in the).
- the amount of water drained is smaller than that of the second dehydration step, so that the time required for maintaining the rotational speed of the drum at the maximum rotational speed may be set longer.
- the ball arrangement holding section for preventing over-vibration of the cabinet generated in the process of decelerating the rotational speed of the drum in the same manner as the first dehydration step or the second dewatering step (S3).
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Abstract
Description
Claims (15)
- 볼밸런서에 배치된 볼이 변경된 편심량에 대응되도록 배치를 조정하는 조절회전속도범위를 초과하여 드럼을 회전시키는 복수의 탈수단계; 및각각의 상기 복수의 탈수단계 사이에서 수행되고, 조절회전속도범위로 상기 드럼을 회전시키는 볼밸런서 배치조정단계를 포함하는 세탁물 처리기기의 탈수행정 제어방법.
- 볼밸런서에 배치된 볼이 변경된 편심량에 대응되도록 배치를 조정하는 조절회전속도범위를 초과하여 드럼을 회전시키는 복수의 탈수단계; 및각각의 상기 복수의 탈수단계 이전에 수행되고, 조절회전속도범위로 상기 드럼을 회전시키는 볼밸런서 배치조정단계를 포함하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 1 항 또는 제 2 항에 있어서,상기 복수의 탈수단계는,캐비닛의 공진점 이하로 드럼이 회전하는 예비탈수단계; 및상기 캐비닛의 공진점을 초과하여 드럼이 회전하는 본탈수단계를 포함하고,상기 볼밸런서 배치조정단계는 상기 예비탈수단계와 상기 본탈수단계 사이에서 조절회전속도범위로 드럼을 회전시키는세탁물 처리기기의 탈수행정 제어방법.
- 제 3 항에 있어서,상기 본탈수단계는,상기 캐비닛의 공진점을 초과하여 상기 드럼이 회전하는 제1탈수단계;상기 제1탈수단계의 최대회전속도보다 높은 최대회전속도로 드럼이 회전하는 제2탈수단계를 포함하며,상기 볼밸런서 배치조정단계는 상기 제1탈수단계와 상기 제2탈수단계 사이에서 조절회전속도범위로 드럼을 회전시키는 세탁물 처리기기의 탈수행정 제어방법.
- 제 4 항에 있어서,상기 제2탈수단계의 최대회전속도는 제1최대회전속도와, 상기 제1최대회전속도보다 높은 회전속도로 형성된 제2최대회전속도로 구분되며,상기 제2탈수단계는 상기 제1최대회전속도에서 드럼의 회전으로 인한 진동이 일정범위 미만에서 상기 제2최대회전속도까지 가속하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 4 항에 있어서,상기 본탈수단계는 최대회전속도에서 상기 제2탈수단계보다 장시간 드럼을 회전시키는 제3탈수단계를 더 포함하며,상기 볼밸런서 배치조정단계는 상기 제2탈수단계와 상기 제3탈수단계 사이에서 조절회전속도범위로 드럼을 회전시키는 볼밸런서 조정단계를 포함하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 6 항에 있어서,상기 제3탈수단계의 최대회전속도는 제1최대회전속도와, 상기 제1최대회전속도보다 높은 회전속도로 형성된 제2최대회전속도로 구분되며,상기 제3탈수단계는 상기 제1최대회전속도에서 드럼의 회전으로 인한 진동이 일정범위 미만에서 상기 제2최대회전속도까지 가속하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 4 항에 있어서,상기 제1탈수단계는,상기 캐비닛의 공진점 이하의 드럼 회전에서 물빠짐으로 인한 편심량의 변화가 큰 경우, 상기 캐비닛의 공진점 이하로 드럼을 회전시키는 세탁물 처리기기의 탈수행정 제어방법.
- 제 4 항에 있어서,상기 제1탈수단계는,공진점 이하에서 형성되는 드럼의 제1설정회전속도범위에서의 최대진동값과, 상기 공진점 이하에서 형성되고, 제1설정회전속도범위보다 높은 제2설정회전속도범위에서의 최대진동값의 차이가 설정범위 이상일 때, 드럼의 회전속도를 제2설정회전속도범위에서 상기 드럼의 회전속도를 유지하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 9 항에 있어서,상기 제1설정회전속도범위와 상기 제2설정회전속도범위는 상기 제1탈수단계에서 물빠짐이 많은 구간으로 설정되는 세탁물 처리기기의 탈수행정 제어방법.
- 제 9 항에 있어서,상기 드럼의 회전속도를 상기 제2설정회전속도범위에서 상기 드럼의 회전속도를 유지할 때, 상기 제2설정회전속도범위에서 상기 드럼의 회전속도를 유지하는 기간은, 상기 캐비닛의 공진점을 초과하여 상기 드럼 회전할 때 탈수되는 물의 량과 동일한 량이 탈수되는 기간으로 설정하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 3 항에 있어서,상기 본 탈수단계는,상기 드럼의 회전속도를 최대회전속도로 가속하는 가속단계; 및상기 드럼의 회전속도를 최대회전속도에서 감속하는 감속단계를 포함하고,상기 감속단계는, 상기 드럼의 회전속도를 감속하는 과정에서 발생하는 상기 캐비닛의 과진동을 방지하는 볼배치유지구간을 포함하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 3 항에 있어서,상기 예비탈수단계 이전에 상기 터브에 저장된 물을 배수하고, 상기 드럼을 상기 조절회전속도범위로 가속하는 볼밸런서 초기조정단계를 더 포함하는 세탁물 처리기기의 탈수행정 제어방법.
- 제 13 항에 있어서,상기 볼밸런서 초기조정단계는,상기 드럼이 조절회전속도범위로 회전 시, 일정범위 이상으로 진동이 발생할 때, 드럼의 회전속도를 감속하거나 드럼의 회전을 정지시키는 세탁물 처리기기의 탈수행정 제어방법.
- 제 3 항에 있어서,상기 예비탈수단계는,상기 드럼의 회전속도를 가속하는 단계;상기 조절회전속도범위와 상기 예비탈수단계의 최대회전속도 사이에서 형성되는 진동감지회전속도에서 진동발생여부를 감지하는 단계; 및상기 진동감지회전속도에서 일정범위 미만으로 진동이 발생할 때, 드럼을 상기 최대회전속도로 가속하는 단계를 포함하고,상기 진동감지회전속도에서 일정범위 이상의 진동이 발생할 때, 상기 드럼의 회전속도를 상기 조절회전속도범위로 감속하고,상기 조절회전속도범위로 감속하는 과정이 1회이상 반복될 때, 드럼의 회전속도를 상기 조절회전속도범위 이하로 감속하거나 드럼의 회전을 정지시키는 세탁물 처리기기의 탈수행정 제어방법.
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EP18777475.7A EP3617372A4 (en) | 2017-03-27 | 2018-03-27 | CONTROL PROCEDURE FOR MANAGING DRYING IN LAUNDRY PROCESSING EQUIPMENT |
AU2018244670A AU2018244670B2 (en) | 2017-03-27 | 2018-03-27 | Control method for managing dying in laundry processing equipment |
US16/498,635 US11427946B2 (en) | 2017-03-27 | 2018-03-27 | Method for controlling spin-drying cycle of laundry treatment machine |
CN201880034977.1A CN110678598B (zh) | 2017-03-27 | 2018-03-27 | 洗涤物处理设备的脱水程序控制方法 |
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US20210115611A1 (en) | 2021-04-22 |
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US11427946B2 (en) | 2022-08-30 |
AU2018244670A1 (en) | 2019-11-14 |
AU2018244670B2 (en) | 2021-05-20 |
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