WO2013154313A1 - Lave-linge - Google Patents

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Publication number
WO2013154313A1
WO2013154313A1 PCT/KR2013/002923 KR2013002923W WO2013154313A1 WO 2013154313 A1 WO2013154313 A1 WO 2013154313A1 KR 2013002923 W KR2013002923 W KR 2013002923W WO 2013154313 A1 WO2013154313 A1 WO 2013154313A1
Authority
WO
WIPO (PCT)
Prior art keywords
tub
drum
unit
disposed
guide rail
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
Application number
PCT/KR2013/002923
Other languages
English (en)
Korean (ko)
Inventor
김재현
김혜령
문병현
김성룡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020120036893A external-priority patent/KR101924060B1/ko
Priority claimed from KR1020120036897A external-priority patent/KR20130114482A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2013154313A1 publication Critical patent/WO2013154313A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2230/00—Purpose; Design features
    • F16F2230/18—Control arrangements

Definitions

  • the present invention relates to a washing machine, and more particularly, to a washing machine that actively eliminates unbalance.
  • a washing machine is a device that cleans through a process such as washing, rinsing, and dehydrating to remove contamination on clothes, bedding, etc. (hereinafter, referred to as 'po') by using water, detergent, and mechanical action.
  • Washing machines are classified into agitator type, pulsator type and drum type washing machines.
  • the stirring type washes by rotating the laundry rod rising to the left and right in the center of the washing tank, and the vortex type washes by rotating the disk-shaped rotary blade formed at the lower part of the washing tank to the left and right by using the frictional force between the water flow and the drum, and the drum type inside the drum. Add water, detergent and cloth to wash the drum by rotating it.
  • the drum washing machine is equipped with a tub in which washing water is accommodated inside a cabinet forming an exterior, a drum in which a cloth is accommodated is disposed inside the tub, and a motor for rotating the drum is mounted on the rear side of the tub, and the tub is mounted on the motor.
  • the drive shaft connected to the back side of the drum penetrates through is built up.
  • the inside of the drum is equipped with a lifter to raise the gun when the drum rotates.
  • Such a washing machine has a phenomenon in which the fabric is biased to one side due to the entanglement of the fabric, which causes an eccentricity in which one side becomes heavy based on the center of the drum.
  • the gun is eccentric and the drum rotates at high speed (e.g., when the gun is dehydrated)
  • vibrations and noises are generated due to an unbalance in which the geometric center of the drum's axis of rotation itself and the actual center of gravity are inconsistent.
  • an apparatus for reducing the unbalance of the drum is installed, which is called a balancer.
  • Counter weights for drum washing machines have been used as counter weights to compensate for eccentricity by attaching additional mass, but in recent years, a ring-shaped space having a predetermined width in the circumferential direction is formed on the front or rear of the drum.
  • the ball balancer which is completely sealed by heat fusion after filling the liquid into the ball, is mainly employed. When the drum rotates at high speed, the balancer distributes the inner material to move away from the center of gravity of the gun so that the center of gravity of the drum is close to the center of rotation.
  • the problem to be solved by the present invention is to provide a washing machine including a balancing unit that is actively moving.
  • Another object of the present invention is to provide a washing machine for efficiently supplying power to an active moving balancing unit.
  • Still another object of the present invention is to provide a washing machine in which an actively moving balancing unit moves actively or passively according to the speed of the drum.
  • the drum is accommodated and rotatable drum;
  • a guide rail having a ring shape coupled to one side edge of the drum;
  • a balancing unit that moves along the guide rail and actively moves while changing the center of gravity of the drum.
  • the balancing unit may be passively moved along the guide rail by centrifugal force when the drum rotates above the set speed.
  • the set speed is a resonance generation speed of the drum.
  • the balancing unit may include a driving unit for generating power, and the balancing unit may be actively moved along the guide rail by the driving unit when the drum rotates below a set speed.
  • the set speed is a resonance generation speed of the drum.
  • the guide rail may include a rack gear formed along an inner diameter surface, and the balancing unit may include a driving unit generating power; A pinion gear that rotates by receiving power from the driving unit and meshes with the rack gear; And an elastic body that engages or opens the pinion gear in accordance with the rotational speed of the drum.
  • the washing machine further includes a tub provided outside the drum and disposed at the tub so as to correspond to the guide rail and generating a magnetic field to wirelessly supply power to the balancing unit.
  • the balancing unit may include a receiving coil unit generating power from a magnetic field generated by the transmitting coil unit.
  • the transmission coil part may be disposed on the tub corresponding to the guide rail.
  • the transmission coil portion may be formed in an arc shape and disposed at a portion of one edge of the tub.
  • the transmission coil portion may be formed in a ring shape and disposed at one side edge of the tub.
  • the washing machine may further include a weight coupled to a portion of one side edge of the tub to apply a load, and the transmission coil part may be disposed in an area where the weight is not disposed among one side edge of the tub.
  • the tub may include a cylindrical tub body having both sides opened; A front tub cover having a ring shape disposed at an opened front of the tub body; And it may include a disk shaped rear tub curve disposed in the opened rear of the tub body.
  • the transmission coil part may be disposed on the front tub cover or the rear tub cover.
  • the washing machine may further include a coil cover coupled to the tub and surrounding the transmission coil part.
  • the tub is accommodated wash water;
  • a cylindrical drum disposed inside the tub and containing a cloth and rotatable;
  • a balancing unit moving along the circumference of the drum and changing a center of gravity of the drum;
  • a transmission coil part disposed at one edge of the tub and wirelessly supplying power to the balancing unit so that the balancing unit can move actively.
  • the washing machine may further include a ring-shaped guide rail coupled to one edge of the drum and provided with a rack gear on an inner circumferential surface thereof, and the balancing unit may include a pinion gear engaged with the rack gear.
  • the balancing unit may include a driving unit rotating the pinion gear by receiving power wirelessly from the transmission coil unit; An upper frame having the pinion gear; A lower frame in sliding competition with the upper frame; And an elastic body provided between the upper frame and the lower frame.
  • FIG. 1 is a cross-sectional view of a washing machine according to an embodiment of the present invention.
  • FIG. 2 is a block diagram of the washing machine shown in FIG. 1.
  • FIG. 3 is a perspective view of a drum of the washing machine shown in FIG.
  • FIG. 4 is a perspective view of a tub of the washing machine shown in FIG. 1.
  • 5 and 6 are some cross-sectional view of a washing machine according to an embodiment of the present invention.
  • FIG. 7 is a front perspective view of a balancing unit of a washing machine according to an embodiment of the present invention.
  • FIG. 8 is a rear perspective view of the balancing unit shown in FIG. 7.
  • FIG. 9 is an exploded view of the balancing unit shown in FIG. 7.
  • FIG. 10 is an example of operation of the balancing unit shown in FIG. 7.
  • FIG. 1 is a cross-sectional view of a washing machine according to an embodiment of the present invention
  • Figure 2 is a block diagram of the washing machine shown in Figure 1
  • Figure 3 is a perspective view of the drum of the washing machine shown in Figure 1
  • Figure 4 Is a perspective view of a tub of the washing machine shown in FIG.
  • Washing machine 100 the cabinet 111 forming the appearance, the door 112 for opening and closing one side of the cabinet to enter and exit the inside of the cabinet, and is disposed in the cabinet and supported by the cabinet Tub 122, the drum disposed inside the tub is inserted into the rotating drum 124, the drum motor 113 to rotate by applying a torque to the drum, the detergent box 133 to accommodate the detergent, and a user input It includes a control panel 114 that accepts and displays the washing machine status.
  • the cabinet 111 has a cloth access hole 111a formed to allow the cloth to enter and exit.
  • the door 112 is rotatably coupled to the cabinet 111 to enable the opening and closing of the gun access 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.
  • the tub 122 has a cylindrical tub body 122a having both sides opened, a ring-shaped front tub cover 122b disposed at an opened front of the tub body 122a, and an opening of the tub body 122a. It includes a disk-shaped rear tub cover 122c disposed in the rear.
  • the front means the door 112 side
  • the rear means the drum motor 113 side.
  • the tub hole 122d is formed at one side of the tub 122.
  • the tub hole 122d is formed such that the fabric access hole 111a communicates with the drum 124 to allow the fabric to enter and exit.
  • the tub hole 122d is formed in the front tub cover 122b.
  • the weight 123 is coupled to a portion of one edge of the tub 122.
  • the weight 123 applies a load to the tub 122.
  • the weight 123 is preferably disposed around the tub hole 122d.
  • a plurality of weights 123 may be provided and disposed on upper and lower portions of the front tub cover 122b.
  • the plurality of weights 123 includes an upper weight 123a disposed above the front tub cover 122b and a lower weight 123b disposed below the front tub cover 122b.
  • the upper weight 123a is disposed above the tub hole 122d among the edges of the tub 122
  • the lower weight 123b is disposed below the tub hole 122d among the edges of the tub 122.
  • the transmission coil unit 240 to be described later may be disposed on one side edge of the tub 122.
  • the transmission coil unit 240 wirelessly supplies power to the balancing unit 300.
  • the drum motor 113 generates a rotational force.
  • the drum motor 113 may rotate the drum 124 at various speeds or directions.
  • the drum motor 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 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 drum motor 113.
  • the drum hole 124a is formed in front of the drum 124.
  • the drum hole 124a is formed to communicate with the gun entrance hole 111a and the tub hole 122d to allow the gun to enter and exit the drum 124.
  • the guide rail 125 is coupled to one side edge of the drum 124.
  • the guide rail 125 is a passage through which the balancing unit 300 passes.
  • the guide rail 125 has a rectangular cross section, and the balancing unit 300 is disposed therein.
  • the guide rail 125 is formed in a ring shape and is provided at the front and / or rear of the drum 124. In this embodiment, the guide rail 125 is coupled to the front edge of the drum 124. The guide rail 125 is preferably arranged around the drum hole 124a.
  • 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 gun entrance 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 introducing washing water into the drum 124.
  • Detergent box 133 is a detergent such as laundry detergent, fabric softener or bleach is accommodated. Detergent box 133 is preferably provided to be pulled out on the front of the cabinet (111). The detergent in the detergent box 133 is mixed with the washing water when the washing water is supplied and introduced into the tub 122.
  • 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, the circulation nozzle 127 flowing into the water, and the drain flow path 138 for washing water is preferably provided to the outside.
  • the pump 136 may be provided as a circulation pump and a drain pump, and may be connected to the circulation channel 137 and the drain channel 138, respectively.
  • the balancing unit 300 moves along the edge of the drum 124 and changes the center of gravity of the drum 124.
  • the center of gravity of the drum 124 does not mean the center of gravity of the drum 124 itself, but the drum 124 that rotates together with the drum 124 when the drum 124 rotates. It refers to a common center of gravity of objects including the fabric attached to the guide rail 125, the balancing unit 300, and other components attached to the drum (124).
  • the balancing unit 300 moves along the circumferential direction of the drum 124 to adjust the center of gravity of the drum 124 when the cloth is eccentric.
  • the balancing unit 300 reduces the unbalance of the drum 124 by bringing the center of gravity of the drum 124 close to the rotating shaft 116.
  • the balancing unit 300 may be provided in plural, and in the present embodiment, two balancing units 300 may be provided as the first balancing unit 300a and the second balancing unit 300b.
  • the first balancing unit 300a and the second balancing unit 300b move in different directions.
  • the balancing unit 300 may be provided at the front and / or rear of the drum 124, and in this embodiment, the balancing unit 300 is provided at the front of the drum 124.
  • the cloth received in the drum 124 is generally collected at the inside of the drum 124, that is, at the rear side, so that the balancing unit 300 is balanced in order to balance the cloth collected at the rear side of the drum 124.
  • the balancing unit 300 moves along the guide rail 125 provided at the edge of the drum 124.
  • the balancing unit 300 moves actively or passively according to the rotational speed of the drum 124. Active movement means that the balancing unit 300 moves along the guide rail 125 by its own power, and passive movement means that the balancing unit 300 moves along the guide rail 125 by centrifugal force. .
  • the center of gravity of the drum 124 may be actively changed by moving to a specific position or moving at a specific speed.
  • 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 reservation for each stroke, and a display unit (not shown) for displaying the operation state of the washing machine 100 through a user. ) May be provided.
  • the washing machine according to an embodiment of the present invention, the power supply unit 210 for supplying power from the outside, the oscillator 220 for generating a voltage fluctuation range in the power supplied from the power supply unit 210 and Power amplification unit 230 for amplifying the power, the transmission coil unit 240 for generating a magnetic field, the receiving coil unit 310 for generating power by electromagnetic induction from the magnetic field, the power generated by the receiving coil unit 310 It includes a rectifier 321 for converting to DC power, an adjusting unit 322 for adjusting the power to a constant voltage and current, and a driving unit 330 for generating power.
  • the power supply unit 210 converts commercial power, which is AC supplied from the outside, into an appropriate appropriate power source.
  • the power supply unit is a switched-mode power supply (Switched-mode power supply) to convert the commercial power supply to 14V DC.
  • the power supply unit 210 may be provided at a predetermined position or the control panel 114 inside the cabinet 111. Power converted and supplied by the power supply unit 210 may be supplied to the drum motor 113.
  • Oscillator 220 is an oscillator (oscillator), and generates a voltage fluctuation range in the power supplied from the power supply unit 210 to generate a magnetic field in the transmission coil unit 240.
  • the amplifier 230 amplifies the power so that the transmission coil unit 240 can obtain a sufficient current.
  • the transmission coil unit 240 generates a magnetic field
  • the reception coil unit 310 generates power by electromagnetic induction from the magnetic field generated by the transmission coil unit 240.
  • the rectifier 321 converts the power generated by the receiving coil 310 into DC power.
  • the adjusting unit 322 adjusts the power rectified by the rectifying unit 321 to a constant voltage and current.
  • the driver 330 generates power from the power adjusted by the adjuster 322.
  • the driver 330 is supplied from the outside to generate power from power transmitted wirelessly through the transmission coil unit 240 and the reception coil unit 310.
  • a storage unit for temporarily storing the power adjusted by the adjustment unit 270 may be provided, and the storage unit (not shown) may be configured as a capacitor or a battery.
  • the oscillating unit 220 and the amplifying unit 230 described above are preferably provided at a predetermined position or the control panel 114 inside the cabinet 111, and the receiving coil unit 310, the rectifying unit 321, the adjusting unit 322, and the like.
  • the driving unit 330 is preferably included in the balancing unit 300.
  • the transmission coil unit 240 is disposed at one edge of the tub 122 as described above.
  • 5 and 6 are some cross-sectional view of a washing machine according to an embodiment of the present invention.
  • the transmission coil unit 240 is disposed in the tub 122 so as to correspond to the movement path of the balancing unit 300 and wirelessly supplies power to the balancing unit 300.
  • the transmission coil part 240 is disposed in the tub 122 corresponding to the guide rail 125.
  • the transmission coil part 240 may be formed in an arc shape and disposed on a portion of one edge of the tub 122, or may be formed in a ring shape and disposed on the entire one edge of the tub 122.
  • the transmission coil unit 240 is preferably disposed around the tub hole 122d, which is an edge of the tub 122 front side.
  • the transmission coil unit 240 may be disposed in the front tub cover 122b or the rear tub cover 122c. In this embodiment, the transmission coil unit 240 is disposed on the front tub cover 122b. The transmission coil unit 240 is preferably disposed on the front side of the front tub cover 122b so as to face the guide rail 125.
  • Tub 122 is preferably coupled to a coil cover (not shown) surrounding the transmission coil portion 240.
  • a coil cover (not shown) is coupled to the front tub cover 122b to surround the transmission coil part 240.
  • the coil cover (not shown) protects the transmission coil part 240 together with the front tub cover 122b from water or foreign matter.
  • the transmission coil unit 240 may be disposed in the front tub cover 122b in correspondence with the balancing unit 300.
  • the receiving coil unit 310 is provided at one side of the balancing unit 300, and the transmitting coil unit 240 is disposed to correspond to the receiving coil unit 310.
  • the transmission coil unit 240 is disposed on a portion of the moving path of the reception coil unit 310 so that the magnetic field generated by the transmission coil unit 240 may be converted into power in the reception coil unit 310.
  • the distance between the transmitting coil unit 240 and the receiving coil unit 310 preferably maintains a distance at which power can be transmitted wirelessly.
  • the distance between the transmitting coil unit 240 and the receiving coil unit 310 is within 30 mm.
  • the transmission coil unit 240 may be provided in plurality.
  • the weight 123 is coupled to a portion of the edge of the drum 124.
  • the transmission coil unit 240 may be disposed in an area where the weight 123 is not disposed among one edges of the tub 122. At this time, the transmission coil portion 240 is preferably formed in an arc shape.
  • the weight 123 is provided in plural and disposed on the upper and lower portions of the front tub cover 122b.
  • a plurality of transmission coils 240 are provided on both sides of the front tub cover 122b between the upper weight 123a and the lower weight 123b.
  • FIG. 7 is a front perspective view of a balancing unit of a washing machine according to an embodiment of the present invention
  • FIG. 8 is a rear perspective view of the balancing unit shown in FIG. 7
  • FIG. 9 is an exploded view of the balancing unit shown in FIG. 7.
  • FIG. 10 is a diagram illustrating an operation of the balancing unit shown in FIG. 7.
  • the balancing unit 300 includes a driving unit 330 for generating power, a pinion gear 340 that rotates by receiving power from the driving unit 330, and a driving unit 330 and a pinion gear.
  • An upper frame 350 provided with a 340, a lower frame 370 slidingly coupled to the upper frame 350, and an elastic body 390 provided between the upper frame 350 and the lower frame 370. do.
  • the driver 330 is supplied from the outside to generate power from power transmitted wirelessly through the transmission coil unit 240 and the reception coil unit 310.
  • the driving unit 330 is preferably a motor that generates a rotational force.
  • the driving unit 330 rotates the pinion gear 340.
  • a worm gear is disposed between the motor and the pinion gear 340 so that the rotational force of the motor changes the axis to rotate the pinion gear 340.
  • the driving unit 330 is disposed on the upper frame 350.
  • the pinion gear 340 is rotated by receiving power from the driving unit 330.
  • the rack gear 125a is disposed on the inner diameter surface of the guide rail 125, and the pinion gear 340 meshes with the rack gear 125a.
  • the rack gear 125a is formed along the inner diameter surface of the guide rail 125.
  • the inner diameter surface of the guide rail 125 means a surface close to the center of the inner surface of the guide rail 125 having a rectangular cross section.
  • the outer diameter surface of the guide rail 125 to be described later refers to a surface facing the inner diameter surface and means a surface far from the center of the inner surface of the guide rail 125.
  • the pinion gear 340 rotates in engagement with the rack gear 125a to actively move the balancing unit 300.
  • the pinion gear 340 is engaged with the rack gear 125a to prevent the balancing unit 300 from moving by its own weight or by centrifugal force when the drum 124 rotates.
  • the pinion gear 340 may be engaged or spread with the rack gear 125a according to the rotational speed of the drum 124. When the drum 124 rotates above the set speed, the pinion gear 340 may be released from the rack gear 125a and opened. At this time, the set speed is about 300 RPM as a transient resonance of the drum 124 occurs. Transient resonance of the drum 124 means that the resonance is generated by the frequency of the rotation of the drum 124 matches the natural frequency of the washing machine.
  • the upper frame 350 forms the upper frame of the balancing unit 300.
  • the upper frame 350 is disposed on the inner diameter surface side of the guide rail 125.
  • the upper frame 350 is formed in an arc shape so that the upper frame 350 can move along the guide rail 125.
  • the upper frame 350 includes a driving unit 330, a pinion gear 340, an electrical unit 320, an upper roller 360, and a transmission coil unit 240.
  • the upper frame 350 is slidably coupled to the lower frame 370, and an elastic body 390 is provided between the lower frame 370.
  • the upper frame 350 is coupled to slide in the radial direction of the lower frame 370 and the drum 124.
  • the upper frame 350 is movable to the lower frame 370.
  • the electronic device 320 is provided with electronic devices, and various electronic devices for driving the driving unit 330 from the power generated by the transmission coil unit 240 are provided.
  • the rectifier 321 and the adjuster 322 are disposed in the electric component 320, and electronic devices for controlling the driver 330 may be provided.
  • the upper roller 360 is provided on the upper frame 350 to be rotatable.
  • the upper roller 360 may be in close contact with the inner diameter surface of the guide rail 125 to be rolled.
  • the upper roller 360 prevents the upper frame 350 from directly contacting the inner diameter surface of the guide rail 125.
  • the upper roller 360 prevents the elastic force by the elastic body 390 from being concentrated on the pinion gear 340 when the pinion gear 340 is engaged with the rack gear 125a.
  • the upper roller 360 is preferably provided in plurality.
  • the receiving coil unit 310 generates electric power by electromagnetic induction from the magnetic field generated by the transmitting coil unit 240 and supplies it to the driving unit 330.
  • the receiving coil part 310 is disposed on the side of the upper frame 350 so as to correspond to the transmitting coil part 240.
  • the lower frame 370 forms a lower frame of the balancing unit 300.
  • the lower frame 370 is disposed on the outer diameter side of the guide rail 125.
  • the lower frame 370 is formed in an arc shape so as to move along the guide rail 125.
  • the lower frame 370 is provided with a lower roller 380.
  • the lower frame 370 is slidably coupled with the upper frame 350 and an elastic body 390 is provided between the upper frame 350 and the upper frame 350.
  • the lower roller 380 is provided on the lower frame 370 to be rotatable.
  • the lower roller 380 is rolled in close contact with the outer diameter surface of the guide rail 125.
  • the lower roller 380 does not allow the lower frame 370 to directly contact the outer diameter surface of the guide rail 125. It is preferable that the lower roller 0 is provided in plurality.
  • the upper frame 350 is in close contact with the inner diameter surface of the guide rail 125 by the elastic body 390.
  • the upper roller 360 is in close contact with the inner diameter surface of the guide rail 125, and the pinion gear 340 meshes with the rack gear 125a.
  • the balancing unit 300 does not move.
  • the driving unit 330 If the driving unit 330 does not generate power, the balancing unit 300 does not move.
  • the pinion gear 340 rotates so that the balancing unit 300 actively moves to move to a specific position or at a specific speed.
  • the centrifugal force of the upper frame 350 is greater than the elastic force of the elastic body 390, so that the upper frame 350 may have a lower frame ( 370 is moved to the outer diameter side of the guide rail 125 side.
  • the upper roller 360 is spaced apart from the inner diameter surface of the guide rail 125, and the pinion gear 340 is separated from the rack gear 125a.
  • the balancing unit 300 moves manually by centrifugal force.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

La présente invention concerne un lave-linge qui élimine activement les déséquilibres. Le lave-linge selon un mode de réalisation de la présente invention comporte : un tambour rotatif destiné à loger des vêtements ; un rail de guidage en forme d'anneau couplé à un bord latéral du tambour ; et une unité d'équilibrage capable de se déplacer le long du rail de guidage de façon à pouvoir se déplacer activement tout en modifiant le centre de gravité du tambour.
PCT/KR2013/002923 2012-04-09 2013-04-08 Lave-linge Ceased WO2013154313A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2012-0036897 2012-04-09
KR10-2012-0036893 2012-04-09
KR1020120036893A KR101924060B1 (ko) 2012-04-09 2012-04-09 세탁기
KR1020120036897A KR20130114482A (ko) 2012-04-09 2012-04-09 세탁기

Publications (1)

Publication Number Publication Date
WO2013154313A1 true WO2013154313A1 (fr) 2013-10-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/002923 Ceased WO2013154313A1 (fr) 2012-04-09 2013-04-08 Lave-linge

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WO (1) WO2013154313A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105274781A (zh) * 2014-06-09 2016-01-27 Lg电子株式会社 洗衣机
CN106029970A (zh) * 2014-02-20 2016-10-12 Lg电子株式会社 衣物处理设备
CN112111932A (zh) * 2019-06-19 2020-12-22 青岛海尔智能技术研发有限公司 洗衣机平衡装置和洗衣机
WO2021135861A1 (fr) * 2019-12-31 2021-07-08 广东美的白色家电技术创新中心有限公司 Ensemble d'équilibrage et appareil électroménager
CN113123082A (zh) * 2019-12-31 2021-07-16 广东美的白色家电技术创新中心有限公司 平衡组件和家用电器
CN113123083A (zh) * 2019-12-31 2021-07-16 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN113131545A (zh) * 2019-12-31 2021-07-16 广东美的白色家电技术创新中心有限公司 控制方法、家用电器及存储介质
CN114059293A (zh) * 2020-07-30 2022-02-18 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN114059296A (zh) * 2020-07-30 2022-02-18 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN114059295A (zh) * 2020-07-30 2022-02-18 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
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CN106029970A (zh) * 2014-02-20 2016-10-12 Lg电子株式会社 衣物处理设备
CN106029970B (zh) * 2014-02-20 2017-12-26 Lg电子株式会社 衣物处理设备
CN105274781A (zh) * 2014-06-09 2016-01-27 Lg电子株式会社 洗衣机
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CN105274781B (zh) * 2014-06-09 2017-09-26 Lg电子株式会社 洗衣机
US10344417B2 (en) 2014-06-09 2019-07-09 Lg Electronics Inc. Washing apparatus
CN112111932B (zh) * 2019-06-19 2023-03-31 青岛海尔智能技术研发有限公司 洗衣机平衡装置和洗衣机
CN112111932A (zh) * 2019-06-19 2020-12-22 青岛海尔智能技术研发有限公司 洗衣机平衡装置和洗衣机
CN114144551A (zh) * 2019-06-21 2022-03-04 伊莱克斯家用电器股份公司 衣物处理设备
CN113123082B (zh) * 2019-12-31 2023-09-26 广东美的白色家电技术创新中心有限公司 平衡组件和家用电器
CN113131545A (zh) * 2019-12-31 2021-07-16 广东美的白色家电技术创新中心有限公司 控制方法、家用电器及存储介质
CN113123083A (zh) * 2019-12-31 2021-07-16 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN113123082A (zh) * 2019-12-31 2021-07-16 广东美的白色家电技术创新中心有限公司 平衡组件和家用电器
WO2021135861A1 (fr) * 2019-12-31 2021-07-08 广东美的白色家电技术创新中心有限公司 Ensemble d'équilibrage et appareil électroménager
CN113123083B (zh) * 2019-12-31 2023-09-26 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
US11821130B2 (en) 2019-12-31 2023-11-21 Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. Balance assembly and household appliance
CN114059293A (zh) * 2020-07-30 2022-02-18 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN114059296A (zh) * 2020-07-30 2022-02-18 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN114059295A (zh) * 2020-07-30 2022-02-18 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器
CN114059296B (zh) * 2020-07-30 2025-06-03 广东美的白色家电技术创新中心有限公司 平衡组件及家用电器

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