WO2020091407A1 - 세탁물 처리기기 및 그의 제어방법 - Google Patents
세탁물 처리기기 및 그의 제어방법 Download PDFInfo
- Publication number
- WO2020091407A1 WO2020091407A1 PCT/KR2019/014445 KR2019014445W WO2020091407A1 WO 2020091407 A1 WO2020091407 A1 WO 2020091407A1 KR 2019014445 W KR2019014445 W KR 2019014445W WO 2020091407 A1 WO2020091407 A1 WO 2020091407A1
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- WO
- WIPO (PCT)
- Prior art keywords
- balancer
- sub
- main
- drum
- laundry treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F37/24—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 vertical axis
- D06F37/245—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
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/48—Preventing or reducing imbalance or noise
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/16—Imbalance
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F37/24—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 vertical axis
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/44—Current or voltage
- D06F2103/46—Current or voltage of the motor driving the drum
-
- 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
-
- 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 laundry treatment apparatus and a control method thereof, and more particularly, to a laundry treatment apparatus including a balancer and a control method thereof.
- a laundry treatment device is a device that processes laundry through various actions such as washing, dehydration, and / or drying.
- an inner tank is rotatably provided in an outer tank containing water, and laundry is put in the inner tank.
- the laundry treatment device is equipped with a balancer to reduce unbalance caused by biased laundry contained in the drum.
- the balancer for the washing machine is a ball balancer or a liquid balancer, and the ball balancer or liquid balancer moves manually according to the rotation of the drum, so the ball balancer or liquid balancer moves to the opposite side of the center of gravity of the laundry and decreases unbalance until the unbalance decreases. There was a problem of continuing to rotate.
- Published Patent KR 10-2018-0103382 discloses a content for reducing vibration using two actively moving balancers. However, since it is necessary to control each of the two balancers, there is a problem in that an error in the distance between the two balancers generated by communicating or driving each of the two balancers may occur.
- the problem to be solved by the present invention is to provide a laundry treatment device that accurately compensates eccentricity generated when the drum rotates.
- Another object of the present invention is to provide a laundry handling device control method that compensates eccentricity due to the rotation of the drum by using a current value applied to the driving device without a separate sensor.
- the laundry treatment apparatus a tub having a cylindrical shape with one side open; A drum which forms an access hole through which laundry enters and exits in the same direction as the tub, and is rotatably disposed in the tub; A driving device that provides a driving force for rotating the drum; And a balancer unit disposed at an end of the drum where an entrance hole is formed to adjust the center of gravity of the rotating drum, and the balancer unit moves in the opposite direction to the eccentricity generated when the drum rotates, thereby vibrating the drum.
- Main balancer to reduce the; A first subbalancer in which the arrangement interval with the main balancer is adjusted according to the eccentricity of the drum; And a second sub-balancer in which the arrangement interval with the main balancer is adjusted in a direction opposite to the first sub-balancer based on the main balancer, to compensate for eccentricity with the main balancer and two sub-balancers.
- the first sub-balancer and the second sub-balancer have the same weight and are spaced apart at the same intervals as the main balancer.
- the balancer portion includes a balancer guide portion which is disposed at an end where an entrance hole of the drum is formed, and forms an annular space in which the main balancer, the first subbalancer, and the second subbalancer move.
- the balancer moving unit a first guide rail for guiding the movement of the main balancer; And a second guide rail that guides the first sub-balancer and the second sub-balancer to move without coming into contact with the first guider, thereby smoothly moving the main balancer and the sub-balancer.
- the first sub-balancer includes a first connecting member connected to the main balancer to adjust the distance from the main balancer, and the second sub-balancer is connected to the main balancer to adjust the distance from the main balancer Including the second connecting member, the position of the three balancers can be adjusted by one main balancer.
- the main balancer a gap adjusting member rotating in engagement with the first connecting member and the second connecting member; And a gap adjusting motor for rotating the gap adjusting member, where the positions of the three balancers can be adjusted by one main balancer.
- the first connecting member and the second connecting member have a rack gear shape
- the gap adjusting member has a pinion gear shape
- the first connecting member and the second connecting member are different from the gap adjusting member in different directions. In engagement, the position of the three balancers can be adjusted with one main balancer.
- a method for controlling a laundry treatment apparatus includes: rotating a drum at a set rotation speed using a driving device; Measuring the current value applied to the driving device when the drum rotates at a set rotation speed; A primary balancing step of moving the main balancer in the opposite direction of the eccentric portion generated by the laundry of the drum; And a secondary balancing step of adjusting the position of the first sub-balancer spaced in one direction from the main balancer and adjusting the position of the second balancer spaced in the other direction from the main balancer. Eccentricity can be compensated by adjusting and adjusting the interval of the subbalancer.
- the second balancing step when the drum rotates beyond the set rotation speed, proceeds, the rotation of the drum Eccentricity can also be compensated for speed increases.
- the position of the main balancer is adjusted based on the current value applied to the driving device. Specifically, when the main balancer moves in one direction, the current value applied to the driving device decreases and increases. Eccentricity can be reduced by stopping the main balancer at an inflection point.
- the distance between the first sub-balancer and the main balancer is maintained equal to the distance between the second sub-balancer and the main balancer.
- the second balancing step adjusts the positions of the first sub-balancer and the second sub-balancer based on the current value applied to the driving device, and specifically, the first sub-balancer and the second sub-balancer Compensates for eccentricity by moving the current value applied to the driving device in a decreasing direction and stopping the first sub-balancer and the second sub-balancer at an inflection point where the current value applied to the driving device decreases and increases. can do.
- the cost of additionally required electronic components may be reduced.
- FIG. 1 is a schematic cross-sectional view for explaining the configuration of a laundry treatment apparatus according to an embodiment of the present invention.
- FIG. 2 is a view for explaining the drum and the balancer unit according to an embodiment of the present invention.
- FIG. 3 is a view for explaining the configuration of the main balancer according to an embodiment of the present invention.
- FIG. 4 is a view for explaining the configuration of the main balancer, the first sub-balancer and the second sub-balancer according to an embodiment of the present invention.
- 5A is a plan view illustrating a first surface of a balancer guide unit according to an embodiment of the present invention.
- 5B is a plan view illustrating a second surface of a balancer guide unit according to an embodiment of the present invention.
- FIG. 6 is a block diagram illustrating a main control unit, a balancer control unit, and related configurations according to an embodiment of the present invention.
- FIG. 7 is a flowchart of a control method of a laundry treatment apparatus according to an embodiment of the present invention.
- 8A is a view showing the arrangement of the main balancer, the first subbalancer, and the second subbalancer before the primary balancing.
- 8B is a view showing the arrangement of the primary balancer, the first subbalancer, and the second subbalancer.
- 8C is a view showing the arrangement of the secondary balancer, the primary balancer, the first subbalancer, and the second subbalancer.
- Figure 10 is the main balancer and the first subbalancer formed at the center of the drum in the moment equilibrium relationship between the drum, the eccentric part (UB), the main balancer, the first subbalancer and the second subbalancer according to an embodiment of the present invention It is a figure for explaining an angle.
- FIG. 1 is a schematic cross-sectional view for explaining the configuration of a laundry treatment apparatus according to an embodiment of the present invention.
- the overall configuration of the laundry treatment apparatus according to the present embodiment will be described with reference to FIG. 1.
- the laundry treatment apparatus 10 is a top load type laundry treatment apparatus 10 in which the fabric is inserted into the washing tank in the upper direction.
- the laundry treatment apparatus 10 of the top-load method is a concept including a laundry treatment apparatus 10 for performing washing, rinsing and dehydration by inserting a fabric, or a dryer for drying by inserting a wet fabric.
- the processing apparatus 10 will be described as the center.
- the laundry treatment apparatus 10 forms an exterior, and includes an open case 12 and a door (not shown) that opens and closes the open top of the case 12.
- the case 12 has a quadrangular column shape with upper and lower surfaces open, a circumferential surface portion 16 forming a circumferential surface, a base portion 18 covering the open lower side of the circumferential surface portion 16, and a circumferential surface portion ( 16) includes a top cover 14 that is installed to cover the open top surface.
- the top cover 14 may be formed with an access hole (not shown) through which laundry enters and exits the case 12, and the door may cover the entrance hole of the top cover 14.
- the laundry treatment apparatus 10 may include a tub 42 containing laundry water and a drum 44 rotatably provided in the tub 42 to accommodate laundry.
- the laundry treatment apparatus 10 may include a pulsator 46 (pulsator) forming a rotational flow of the wash water accommodated in the tub 42.
- the pulsator 46 is disposed on the bottom surface of the drum 44.
- the laundry treatment apparatus 10 according to the present embodiment may include a balancer unit 100 compensating for eccentricity generated when the drum 44 is rotated.
- the balancer unit 100 according to the present embodiment is actively moved, and the balancer 110, 140, 150 for compensating for eccentricity due to the rotation of the drum 44, and the space where the balancer 110, 140, 150 moves It may include a balancer guide portion 50 to form a.
- the balancer (110, 140, 150) and the balancer guide unit 50 will be described in detail below.
- the laundry treatment apparatus 10 is a driving device 48 that provides driving force for rotating the drum 44 and / or the pulsator 46, and the driving force of the driving device 48 is the drum 44. Or it includes a rotating shaft that is transmitted to the pulsator 46.
- the laundry treatment apparatus 10 according to the present embodiment selectively transmits the driving force of the driving device 48 so that only the drum 44 rotates, or only the pulsator 46 rotates, or the drum 44 and the pulsator It may further include a clutch motor (not shown) to allow the 46 to rotate at the same time.
- the laundry treatment device includes a plurality of suspensions 40 that hang the tub 42 from the inner top of the case 12.
- One end of the suspension 40 is coupled to the inner upper portion of the case 12, and the other end can be coupled to the lower portion of the tub 42.
- the suspension 40 can be coupled to the top cover 14, which is one of the components constituting the case 12. However, it is not limited thereto, and it is possible to be combined with any fixed part of the case 12.
- the laundry treatment apparatus 10 includes a water supply assembly 22 that supplies washing water to the interior of the tub 42, and a drain assembly that drains the washing water in the tub 42 after washing or dehydration is completed. (30) and a detergent supply mechanism (28) for temporarily storing additives acting on laundry and supplying them into the tub (42).
- the water supply assembly 22 is a water supply hose 24 for guiding the washing water supplied from an external faucet to the laundry treatment device 10, and a water supply valve connected to the water supply hose 24 to regulate the water supply of the washing water (26).
- the drain assembly 30 is connected to the lower portion of the tub 42, a drainage bellows 34 forming a drainage passage, a drainage valve 32 intermitting the drainage bellows 34, and a drainage bellows 34 It includes a drain pump (38) for pumping the washing water flowing into the outside and a drain hose (38) for discharging water pumped by the drain pump (36) to the outside of the cabinet.
- the detergent supply mechanism 28 forms a plurality of spaces in which the laundry detergent and the fabric softener for rinsing are temporarily stored, and supplies the water supplied through the water supply assembly 22 into the tub 42.
- FIG. 2 is a view for explaining the drum and the balancer unit according to an embodiment of the present invention.
- 3 is a view for explaining the configuration of the main balancer according to an embodiment of the present invention.
- 4 is a view for explaining the configuration of the main balancer, the first sub-balancer and the second sub-balancer according to an embodiment of the present invention.
- 5A is a plan view illustrating a first surface of a balancer guide unit according to an embodiment of the present invention.
- 5B is a plan view illustrating a second surface of a balancer guide unit according to an embodiment of the present invention.
- the balancer unit 100 is disposed on one side of the drum 44 to compensate for eccentricity occurring when the drum 44 is rotated.
- the balancer unit 100 includes a plurality of balancers 110, 140, and 150, and a plurality of balancers 110, 140, and 150 that compensate for eccentricity occurring in the drum 44 by rotation on one side of the drum 44. It includes a balancer guide portion 50 to form a moving space.
- the balancers 110, 140, and 150 move the opposite direction of the eccentricity generated when the drum 44 is rotated, thereby reducing the vibration of the drum 44 and the main balancers 110 and drums 44.
- the main balancer 110 includes a main balancer housing 112 having an outer shape that moves inside the balancer guide unit 50 forming a ring-shaped space.
- the main balancer housing 112 has an arc-shaped outer shape, and forms a hollow inside to accommodate some of the components described below.
- the main balancer 110 may actively move inside the balancer guide unit 50.
- the main balancer 110 is rotated by the balancer moving motor 114 and the balancer moving motor 114 for actively moving the inside of the balancer guide unit 50, and a balancer moving member for moving the main balancer 110 ( 116).
- the balancer moving motor 114 may be disposed inside the main balancer housing 112.
- the balancer moving member 116 according to the present embodiment has the shape of a pinning gear, and engages the first guide rail 54 described below to move the main balancer 110.
- the balancer moving member 116 is arranged to partially protrude outward from the inner side 112a of the inner side 112a of the main balancer housing 112, which forms a surface close to the center of the drum 44.
- the main balancer 110 is connected to the first sub-balancer 140 and the second sub-balancer 150, and can adjust the distance between the first sub-balancer 140 and the second sub-balancer 150.
- the main balancer 110 according to the present embodiment includes an interval adjustment member 120 for adjusting the distance between the first sub-balancer 140 and the second sub-balancer 150, and an interval adjustment for rotating the interval adjustment member 120 Motor 118.
- the gap adjustment motor 118 may be disposed in the inner space of the main balancer housing 112.
- the gap adjusting member 120 has a pinion gear shape, and the second connection of the first connecting member 144 and the second sub balancer 150 of the first sub balancer 140 to be described below.
- the distance between the first sub-balancer 140 and the second sub-balancer 150 may be adjusted by engaging the member 154.
- the gap adjusting member 120 may be disposed above the upper surface 112c of the main balancer housing 112.
- the gap adjusting member 120 according to the present embodiment may be disposed inside a virtual surface formed by extending the inner surface 112a and the outer surface 112b of the main balancer housing 112. That is, the gap adjusting member 120 does not protrude to the inner side of the inner side 112a, and does not protrude to the outer side of the outer side 112b.
- the main balancer 110 uses the one spacing adjustment motor 118 and one spacing adjustment member 120 to determine the positions of the first sub-balancer 140 and the second sub-balancer 150. Adjust. However, this is in accordance with one embodiment, the first sub-balancer 140 and the second sub-balancer 150 is provided with two interval adjustment motor or interval adjustment member 120 for each, the first sub It is also possible to adjust the position of each of the balancer 140 and the second subbalancer 150.
- the main balancer 110 includes an electric part (not shown) that forms a space in which electronic devices are provided, a battery 122 that supplies power to the electric part, a balancer moving motor 114, or an interval adjusting motor 118 ) May include a balancer control unit 124 for controlling driving, and a balancer communication unit 126 that communicates with the main communication unit 62 to transmit a command from the main control unit 60 to the balancer control unit 124.
- the electronic component is provided with electronic devices, and various electronic devices for driving the balancer moving motor 114 or the gap adjusting motor 118 may be provided.
- the battery 122 may be disposed inside the main balancer housing 112.
- the battery 122 may act as a means for applying the load of the main balancer 110.
- the battery 122 may supply power for driving the balancer moving motor 114 and the gap adjusting motor 118.
- a receiving coil (not shown) that receives power in a wireless power method other than a battery and supplies power to the internal structure of the main balancer 110 (not shown) It is also possible to include.
- a transmission coil (not shown) for wirelessly transmitting power to the main balancer 110 may be disposed on one side of the tub 42, and the receiving coil is electromagnetically induced from the wireless power signal transmitted from the transmission coil. It can generate power.
- the balancer moving motor 114 and the gap adjusting motor 118 may generate power with the power generated by the receiving coil.
- the balancer control unit 124 may operate the balancer moving motor 114 to change the position of the main balancer 110. In addition, the balancer control unit 124 may detect the number of revolutions of the balancer moving motor 114 and grasp the position of the main balancer 110.
- the balancer control unit 124 operates the gap adjustment motor 118 to adjust the gap between the main balancer 110 and the first sub-balancer 140 and the gap between the main balancer 110 and the second sub-balancer 150. have.
- the balancer control unit 124 may detect the number of rotations of the interval adjustment motor 118, and grasp the positions of the first sub-balancer 140 and the second sub-balancer 150.
- the balancer communication unit 126 may perform wireless communication with the main communication unit 62 using wireless communication methods such as Wi-Fi, Bluetooth, ZigBee, and NC.
- the balancer communication unit 126 may transmit the positions of the balancers 110, 140, and 150 that the balancer control unit 124 grasps to the main control unit 60.
- the first sub-balancer 140 forms an outer shape, and one side of the first sub-balancer housing 142 and the first sub-balancer housing 142 formed to move the inner space of the balancer guide unit 50 It extends along the balancer guide portion 50, and includes a first connection member 144 connected to the main balancer 110.
- the first connecting member 144 has a rack gear shape on a surface in contact with the gap adjusting member 120, and meshes with the gap adjusting member 120.
- the first connection member 144 may be adjusted in interval with the main balancer 110 according to the rotation of the spacing adjustment member 120.
- the second sub-balancer 150 forms an outer shape, and one side of the second sub-balancer housing 152 and the second sub-balancer housing 152 formed to move the inner space of the balancer guide unit 50 It extends along the balancer guide portion 50, and includes a second connecting member 154 connected to the main balancer 110.
- the second connecting member 154 has a rack gear shape on a surface that is in contact with the gap adjusting member 120, and meshes with the gap adjusting member 120.
- the second connecting member 154 may be adjusted in interval with the main balancer 110 according to the rotation of the gap adjusting member 120.
- the first connecting member 144 and the second connecting member 154 come into contact with the gap adjusting member 120 in different directions.
- the surface in which the first connecting member 144 comes into contact with the spacing adjusting member 120 is disposed opposite to the surface in which the second connecting member 154 comes into contact with the spacing adjusting member 120.
- the main balancer 110, the first sub-balancer 140, and the second sub-balancer 150 may be moved by the balancer moving motor 114 disposed in the main balancer 110. Therefore, when the main balancer 110, the first sub-balancer 140 and the second sub-balancer 150 move to the balancer moving motor 114, the first sub-balancer 140, the main balancer 110 and the second Each of the sub-balancers 150 may move while maintaining an interval between each other.
- the first sub-balancer 140 and the second sub-balancer 150 may have the same weight.
- the main balancer 110 may have the same weight as the first sub-balancer 140 and the second sub-balancer 150, or may have a heavier weight than the first sub-balancer 140 and the second sub-balancer 150. .
- a balancer guide unit 50 is formed on the upper portion of the drum 44 according to the present embodiment to form a space in which the balancers 110, 140, and 150 move.
- the balancer guide unit 50 has an annular shape, and forms a space in which the balancers 110, 140, and 150 move.
- the balancer guide unit 50 includes a first balancer 52 including a surface opposite to the lower surface of each of the main balancer 110, the first subbalancer 140, and the second subbalancer 150, and the main balancer ( 110), the first sub-balancer 140 and the second sub-balancer 150 includes a second surface portion 56 including a surface opposite to the upper surface of each.
- the first surface portion 52 is configured to include at least a lower surface 52a among the surfaces formed inside the balancer guide portion 50, and the second surface portion 56 is at least among the surfaces formed inside the balancer guide portion 50. It is a structure including the upper surface 56a.
- a first guide rail 54 engaged with the balancer moving member 116 of the main balancer 110 and guiding the movement of the main balancer 110 by rotation of the balancer moving member 116 is provided on the first surface portion 52. Is formed.
- the first guide rail 54 may have a rack gear shape that meshes with a pinion gear type balancer moving member 116.
- the first guide rail 54 may be formed on a surface facing the inner surface 112a of the main balancer 110.
- a second guide rail 58 is formed on the second surface portion 56 to guide the movement of the first sub-balancer 140 and the second sub-balancer 150.
- the second guide rail 58 may be formed to protrude downward from the upper surface among the inner surfaces of the balancer guide unit 50.
- Guide grooves 146 and 156 corresponding to the second guide rail 58 are formed on the upper surfaces of the first sub-balancer 140 and the second sub-balancer 150, respectively.
- the second guide rail 58 may have a ring shape.
- the second guide rail 58 may prevent the first sub balancer 140 and the second sub balancer 150 from coming into contact with the first guide rail 54.
- FIG. 6 is a block diagram illustrating a main control unit, a balancer control unit, and related configurations according to an embodiment of the present invention.
- a main control unit, a balancer control unit, and a configuration related thereto will be described with reference to FIG. 6.
- the laundry treatment apparatus 10 includes a main control unit 60 that controls the overall operation of the laundry treatment apparatus 10 according to an operation command received by the input unit 68.
- the main control unit 60 may be configured with a microcomputer and a storage device that controls the operation of the laundry treatment device 10 and other electronic components.
- the main control unit 60 determines whether or not each stroke proceeds according to the washing course selected by the user, or whether watering, washing, rinsing, draining, dehydration and drying within each stroke, and time, number of repetitions, etc.
- the valve 26, the driving device 48 and the drain pump 36 can be controlled.
- the main control unit 60 is a water supply valve 26, a driving device 48, and a drain pump 36 according to the amount of the cloth measured at the beginning of washing and the water level of the tub 42 measured by the water level sensor 66. ) Can be controlled.
- Vibration sensor 64 for detecting the amount of vibration of the tub 42 may include a main communication unit 62 that transmits a command from the main control unit 60 to the main balancer 110.
- the vibration detection sensor 64 may be provided with a plurality of vibration detection sensors 64 in the tub 42 to sense the amount of vibration of the tub 42.
- the vibration due to the unbalance of the drum 44 is transmitted to the tub 42 by the rotating shaft, causing the vibration of the tub 42.
- the plurality of vibration detection sensors 64 may detect the amount of vibration of the tub 42 and measure the degree of unbalance of the drum 44.
- the vibration sensor 64 may be implemented with various sensors that sense the vibration amount of the tub 42.
- the vibration sensor 64 may be an optical sensor provided in the tub 42 to measure the distance from the case 12.
- the vibration sensor 64 detects the amount of vibration through the displacement of the distance between the case 12 and the tub 42.
- the vibration detection sensor 64 is disposed on the upper portion of the tub 42, the first vibration detection sensor for detecting the amount of upper vibration, which is the amount of vibration above the tub 42, and the lower portion of the tub 42 It may be disposed to include a second vibration detection sensor for detecting the amount of vibration of the lower portion of the tub 42.
- the main communication unit 62 may determine the location information of each balancer through wireless communication with the balancer communication unit 126 or may transmit a command from the main control unit 60 to the balancer control unit 124.
- the main communication unit 62 communicates with the balancer communication unit 126 using wireless communication methods such as Wi-Fi (Wireless Fidelity, Wi-Fi), Bluetooth, Zigbee, and near field communication (NFC). can do.
- Wi-Fi Wireless Fidelity, Wi-Fi
- Bluetooth Wireless Fidelity
- Zigbee Zigbee
- NFC near field communication
- the main control unit 60 is the main balancer 110, the first sub-balancer 140 and the first vibration detection sensor 64 and the second vibration detection sensor 64 according to the vibration amount of the tub 42 measured 2, the sub-balancer 150 can be controlled.
- main control unit 60 the main balancer 110, the first sub-balancer 140 and the second sub-balancer 150 based on the current value applied to the drive unit 48 when the drum 44 rotates Can be controlled.
- the main control unit 60 may determine the position of the main balancer 110 and adjust the position of the main balancer 110 through the main communication unit 62. In the same way, the main control unit 60 determines the positions of the first sub-balancer 140 and the second sub-balancer through the main communication unit 62, and the first sub-balancer 140 and the second sub-balancer 150 Each position can be adjusted.
- 8A is a view showing the arrangement of the main balancer, the first subbalancer, and the second subbalancer before the primary balancing.
- 8B is a view showing the arrangement of the primary balancer, the first subbalancer, and the second subbalancer.
- 8A is a view showing the arrangement of the primary balancer, the first subbalancer, and the second subbalancer that are secondary balanced.
- 9 is a main balancer and a first subbalancer formed at the center of the drum when the force balance relationship between the drum, the eccentric part (UB), the main balancer, the first subbalancer, and the second subbalancer according to an embodiment of the present invention It is a figure for explaining an angle.
- 10 is a main balancer and a first subbalancer formed at the center of the drum in the moment equilibrium relationship between the drum, the eccentric part (UB), the main balancer, the first subbalancer and the second subbalancer according to an embodiment of the present invention It is a figure for explaining an angle.
- the main balancer 110 when an eccentricity occurs in the laundry treatment apparatus according to the present embodiment, the main balancer 110, the first subbalancer 140, and the second subbalancer 150 are used. , Describes a control method of a laundry treatment apparatus that compensates for eccentricity.
- the control method of the laundry treatment apparatus goes through the step (S100) of rotating the drum 44 at a set rotational speed (SR).
- the step of rotating the drum 44 may be mainly performed in a dehydration process to remove water from which the laundry is wet, but may also be applied in a washing process or a rinsing process.
- the set rotational speed SR is formed lower than the target drum rotational speed TR, and may be set in a range in which the amount of vibration is not excessively formed.
- the primary balancing step S200 may be performed.
- the main balancer 110 is positioned in the direction of the center of gravity (hereinafter referred to as the eccentric part UB) where eccentricity due to laundry acts. That is, the arrangement of the main balancer 110 as shown in FIG. 8A is moved as shown in FIG. 8B.
- the interval between the main balancer 110 and the first sub-balancer 140 is formed to be the same as the interval between the main balancer 110 and the second sub-balancer 150 .
- the weight of the main balancer 110 may be formed to be greater than the weight of each of the first sub-balancer 140 and the second sub-balancer 150.
- the center of gravity by the main balancer 110, the first sub-balancer 140 and the second sub-balancer 150 may be arranged to be finely eccentric in the direction of the main balancer 110. .
- the main balancer 110 is moved clockwise or counterclockwise, and the current value of the driving device 48 is measured.
- the main balancer 110 moves the main balancer 110 to the point where the current value becomes minimum.
- the main balancer 110 when the current value increases according to the one-way movement of the main balancer 110, the main balancer is moved to a section in which the current value decreases. When the current value decreases according to the movement of the main balancer 110 in one direction, the main balancer 110 is stopped at an inflection point.
- the main balancer 110 moves while maintaining a distance between the first sub-balancer 140 and the second sub-balancer 150.
- the main control unit 60 grasps the phase and weight information of the eccentric portion UB from the vibration sensor 64 and determines the position of the main balancer 110 based on the identified phase of the eccentric portion UB. It is also possible to move in the opposite direction of UB). In this case, the weights of the main balancers 110, 140, and 150, the first subbalancer 140, and the second subbalancer 150 may be set to be the same.
- a step (S300) of rotating the drum 44 over a set rotation speed is performed.
- the rotational speed of the drum 44 at this stage may be the target rotational speed of the drum 44. However, it is also possible to rotate the drum 44 at another set rotation speed below the target value.
- the distance () between the main balancer 110 and the first sub-balancer 140 and the distance between the main balancer 110 and the second sub-balancer 150 are adjusted.
- the main control unit 60 operates the gap adjustment motor 118 to adjust the positions of the first sub-balancer 140 and the second sub-balancer 150. That is, the arrangement of the first sub-balancer 140 and the second sub-balancer 150 as shown in FIG. 8B is adjusted as shown in FIG. 8C.
- the first sub-balancer 140 and the second sub-balancer 150 may be closer to the main balancer 110.
- the first sub-balancer 140 and the second sub-balancer 150 may move away from the main balancer 110.
- the main control unit 60 measures the current value applied to the driving device 48, and rotates the interval adjustment motor 118 in the direction in which the current value decreases. That is, the main control unit 60 rotates the gap adjusting motor 118 in the other direction when the current value applied to the driving device 48 increases when the gap adjusting motor 118 rotates in one direction. Further, the main control unit 60 stops the gap adjustment motor 118 at an inflection point where the current value increases again when the current value applied to the driving device 48 decreases when the gap adjustment motor 118 rotates in one direction. .
- the main control unit 60 grasps the phase and weight information of the eccentric portion UB from the vibration detection sensor 64, and based on the identified weight information of the eccentric portion UB, the main balancer 110 and the first sub It is also possible to adjust the distance between the balancer 140 and the second sub-balancer 150.
- ⁇ is the rotation angle of the drive unit 48, Is the angle of the main balancer (110, 140, 150) and the first sub-balancer 140, The distance from the center of the silver drum 44 to the balancers 110, 140, 150, The distance from the center of the silver drum 44 to the eccentric part UB)
- the main balancers 110, 140, 150 and the first subbalancer (based on the center of the dynamic state drum 44 based on the moment balance acting on the drum 44) 140) angle ( ).
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
Claims (14)
- 일측이 개방되는 원통형의 형상을 가지는 터브;상기 터브와 동일한 방향으로 세탁물이 출입하는 출입홀을 형성하고, 상기 터브 내에 회전가능하게 배치되는 드럼;상기 드럼을 회전시키기 위한 구동력을 제공하는 구동장치;상기 드럼의 출입홀이 형성된 단부에 배치되어, 회전하는 상기 드럼의 무게중심을 조절하는 밸런서부를 포함하고,상기 밸런서부는,상기 드럼의 회전시 발생하는 편심에 반대방향으로 이동하여 상기 드럼의 진동을 저감하는 메인밸런서;상기 드럼의 편심 정도에 따라 상기 메인밸런서와의 배치간격이 조정되는 제1서브밸런서; 및상기 메인밸런서를 기준으로 상기 제1서브밸런서와 반대방향으로 상기 메인밸런서와의 배치간격이 조정되는 제2서브밸런서를 포함하는 세탁물 처리장치.
- 제 1 항에 있어서,상기 제1서브밸런서와 상기 제2서브밸런서는 동일한 무게를 가지고, 상기 메인밸런서와 동일간격으로 이격배치되는 세탁물 처리장치.
- 제 1 항에 있어서,상기 밸런서부는,상기 드럼의 출입홀이 형성된 단부에 배치되고, 상기 메인밸런서, 상기 제1서브밸런서 및 상기 제2서브밸런서가 이동하는 환형의 공간을 형성하는 밸런서가이드부를 포함하는 세탁물 처리장치.
- 제 3 항에 있어서,상기 밸런서이동부는,상기 메인밸런서의 이동을 가이드하는 제1가이드레일; 및상기 제1서브밸런서 및 상기 제2서브밸런서가 상기 제1가이더와 접촉하지 않고, 이동하도록 가이드하는 제2가이드레일를 포함하는 세탁물 처리장치.
- 제 1 항에 있어서,상기 제1서브밸런서는 상기 메인밸런서와의 간격을 조정하도록 상기 메인밸런서와 연결되는 제1연결부재를 포함하고,상기 제2서브밸런서는 상기 메인밸런서와의 간격을 조정하도록 상기 메인밸런서와 연결되는 제2연결부재를 포함하는 세탁물 처리기기.
- 제 5 항에 있어서,상기 메인밸런서는,상기 제1연결부재 및 상기 제2연결부재와 맞물려 회전하는 간격조정부재; 및상기 간격조정부재를 회전시키는 간격조정모터를 포함하는 세탁물 처리기기.
- 제 6 항에 있어서,상기 제1연결부재 및 상기 제2연결부재는 랙기어형태를 가지고,상기 간격조정부재는 피니언기어 형태를 가지며,상기 제1연결부재와 상기 제2연결부재는 서로 다른 방향에서 상기 간격조정부재와 맞물리는 세탁물 처리기기.
- 구동장치를 이용하여 드럼을 설정회전속도로 회전시키는 단계;상기 드럼이 설정회전속도로 회전할 때, 상기 구동장치에 인가되는 전류값을 측정하는 단계;메인밸런서를 상기 드럼의 세탁물에 의해 발생하는 편심부의 반대방향으로 이동시키는 1차밸런싱 단계;상기 메인밸런서와 일측방향으로 이격된 제1서브밸런서의 위치를 조정하고, 상기 메인밸런서와 타측방향으로 이격된 제2서브밸런서의 위치를 조정하는 2차밸런싱단계를 포함하는 세탁물 처리기기의 제어방법.
- 제 8 항에 있어서,상기 1차밸런싱 단계 이후, 상기 드럼을 설정회전속도를 초과하여 회전시키는 단계를 더 포함하고,상기 2차밸런신단계는 상기 드럼이 설정회전속도를 초과하여 회전할 때, 진행하는 세탁물 처리기기의 제어방법.
- 제 8 항에 있어서,상기 1차밸런싱 단계는, 상기 구동장치에 인가되는 전류값을 바탕으로 메인밸런서의 위치를 조정하는 세탁물 처리장치의 제어방법.
- 제 10 항에 있어서,상기 1차밸런싱 단계는, 상기 메인 밸런서가 일방향으로 이동할 때, 상기 구동장치에 인가되는 전류값이 감소하다가 증가되는 변곡점부분에서 상기 메인밸런서를 정지시키는 세탁물 처리장치의 제어방법.
- 제 8 항에 있어서,상기 제1서브밸런서와 상기 메인밸런서의 간격은 상기 제2서브밸런서와 상기 메인밸런서의 간격과 동일하게 유지되는 세탁물 처리장치의 제어방법.
- 제 12 항에 있어서,상기 2차밸런싱 단계는, 상기 구동장치에 인가되는 전류값을 바탕으로 상기 제1서브밸런서와 상기 제2서브밸런서의 위치를 조정하는 세탁물 처리장치의 제어방법.
- 제 13 항에 있어서,상기 2차밸런싱 단계는, 상기 제1서브밸런서 및 상기 제2서브밸런서를 상기 구동장치에 인가되는 전류값이 감소하는 방향으로 이동시키고, 상기 구동장치에 인가되는 전류값이 감소하다가 증가되는 변곡점부분에서 상기 제1서브밸런서 및 상기 제2서브밸런서를 정지시키는 세탁물 처리장치의 제어방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2019372914A AU2019372914B2 (en) | 2018-10-30 | 2019-10-30 | Laundry processing device and control method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2018-0130752 | 2018-10-30 | ||
| KR1020180130752A KR102648272B1 (ko) | 2018-10-30 | 2018-10-30 | 세탁물 처리기기 및 그의 제어방법 |
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| PCT/KR2019/014445 Ceased WO2020091407A1 (ko) | 2018-10-30 | 2019-10-30 | 세탁물 처리기기 및 그의 제어방법 |
Country Status (5)
| Country | Link |
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| US (1) | US11225744B2 (ko) |
| KR (1) | KR102648272B1 (ko) |
| CN (1) | CN111197221B (ko) |
| AU (1) | AU2019372914B2 (ko) |
| WO (1) | WO2020091407A1 (ko) |
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| JP2023132992A (ja) * | 2022-03-11 | 2023-09-22 | 富士フイルムビジネスイノベーション株式会社 | 電子写真感光体用支持体、電子写真感光体、感光体ユニット、プロセスカートリッジ、及び画像形成装置 |
| CN117298712B (zh) * | 2023-10-27 | 2024-07-26 | 深圳市汉斯顿净水设备有限公司 | 一种保持高转速稳定性的旋转滤芯 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100238764B1 (ko) * | 1997-10-21 | 2000-01-15 | 구자홍 | 전자동세탁기의 오토 밸런서 |
| CN104060443A (zh) * | 2014-06-19 | 2014-09-24 | 无锡小天鹅通用电器有限公司 | 平衡圈及其滚筒洗衣机 |
| KR20150007633A (ko) * | 2013-07-12 | 2015-01-21 | 삼성전자주식회사 | 밸런서를 구비한 세탁기 및 그 제어방법 |
| KR101607867B1 (ko) * | 2011-07-27 | 2016-04-01 | 삼성전자 주식회사 | 세탁기와 그 밸런서 |
| KR101767030B1 (ko) * | 2017-04-10 | 2017-08-09 | 김학무 | 세탁기 등 가전제품용 밸런스 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2963921A (en) * | 1957-07-05 | 1960-12-13 | Brough William | Means for mounting a member for rotation |
| KR101537590B1 (ko) * | 2008-08-06 | 2015-07-22 | 엘지전자 주식회사 | 볼 밸런서 및 이를 구비한 세탁장치 |
| KR101680662B1 (ko) * | 2010-03-15 | 2016-11-29 | 엘지전자 주식회사 | 세탁장치 및 그 제어방법 |
| US9809916B2 (en) * | 2014-02-19 | 2017-11-07 | Samsung Electronics Co., Ltd. | Washing machine with balancer and control method thereof |
| CN104631037B (zh) * | 2014-12-31 | 2017-05-03 | 青岛海尔科技有限公司 | 一种洗衣机的偏心控制方法和系统、脱水方法和系统 |
| KR102304812B1 (ko) | 2017-03-09 | 2021-09-23 | 엘지전자 주식회사 | 세탁기 및 그 제어방법 |
-
2018
- 2018-10-30 KR KR1020180130752A patent/KR102648272B1/ko active Active
-
2019
- 2019-10-30 AU AU2019372914A patent/AU2019372914B2/en active Active
- 2019-10-30 CN CN201911043597.7A patent/CN111197221B/zh active Active
- 2019-10-30 US US16/668,694 patent/US11225744B2/en active Active
- 2019-10-30 WO PCT/KR2019/014445 patent/WO2020091407A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100238764B1 (ko) * | 1997-10-21 | 2000-01-15 | 구자홍 | 전자동세탁기의 오토 밸런서 |
| KR101607867B1 (ko) * | 2011-07-27 | 2016-04-01 | 삼성전자 주식회사 | 세탁기와 그 밸런서 |
| KR20150007633A (ko) * | 2013-07-12 | 2015-01-21 | 삼성전자주식회사 | 밸런서를 구비한 세탁기 및 그 제어방법 |
| CN104060443A (zh) * | 2014-06-19 | 2014-09-24 | 无锡小天鹅通用电器有限公司 | 平衡圈及其滚筒洗衣机 |
| KR101767030B1 (ko) * | 2017-04-10 | 2017-08-09 | 김학무 | 세탁기 등 가전제품용 밸런스 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111197221B (zh) | 2022-10-28 |
| KR102648272B1 (ko) | 2024-03-14 |
| KR20200048565A (ko) | 2020-05-08 |
| AU2019372914B2 (en) | 2023-04-13 |
| CN111197221A (zh) | 2020-05-26 |
| US11225744B2 (en) | 2022-01-18 |
| AU2019372914A1 (en) | 2021-05-20 |
| US20200131683A1 (en) | 2020-04-30 |
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