WO2015184958A1 - Machine à laver à tambour - Google Patents

Machine à laver à tambour Download PDF

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Publication number
WO2015184958A1
WO2015184958A1 PCT/CN2015/079962 CN2015079962W WO2015184958A1 WO 2015184958 A1 WO2015184958 A1 WO 2015184958A1 CN 2015079962 W CN2015079962 W CN 2015079962W WO 2015184958 A1 WO2015184958 A1 WO 2015184958A1
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WO
WIPO (PCT)
Prior art keywords
drum
laundry
rotating body
washing machine
control unit
Prior art date
Application number
PCT/CN2015/079962
Other languages
English (en)
Chinese (zh)
Inventor
辻贵裕
田中启之
Original Assignee
海尔亚洲株式会社
青岛海尔洗衣机有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海尔亚洲株式会社, 青岛海尔洗衣机有限公司 filed Critical 海尔亚洲株式会社
Publication of WO2015184958A1 publication Critical patent/WO2015184958A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/06—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about an inclined axis

Definitions

  • the present invention relates to a drum type washing machine.
  • the drum type washing machine can be continuously performed from washing to drying, or can be washed without drying.
  • a drum type washing machine rotates a horizontal axis type drum in an outer tank in which water is stored in the bottom, and lifts and drops the laundry by a baffle provided in the drum, by dropping the laundry to the laundry.
  • the laundry is washed by the inner peripheral surface of the drum (refer to Patent Document 1).
  • the drum type washing machine dehydrates the laundry by rotating the drum at a high speed and causing the laundry to fall to the inner peripheral surface of the drum by centrifugal force.
  • Patent Document 1 Japanese Laid-Open Patent Publication No. 2013-240577
  • the laundry tends to be attached to the inner peripheral surface of the drum.
  • the state in which the laundry is attached to the drum can be reduced as long as the washing operation is completed, and the laundry is peeled off from the drum. The work is reduced, so the user can easily take out the laundry.
  • the drum type washing machine has a drying function and the drying operation is performed after the washing operation, as long as the state in which the laundry is attached to the drum can be reduced before the drying operation, the drying operation can be started. The laundry is stirred well initially, and improvement in drying performance can be expected.
  • the present invention has been made in view of the above problems, and it is an object of the invention to provide a drum type washing machine capable of reducing the attachment when a laundry is attached to a state of being dehydrated.
  • a drum type washing machine includes: an outer tank disposed in a casing; and a drum disposed in the outer tank and rotatable about a horizontal axis or an inclined axis inclined with respect to a horizontal direction; Arranging at a rear portion of the drum, and having a protrusion on the surface in contact with the laundry; the driving portion capable of rotating the drum and the rotating body in a shaft driving form and a two-axis driving form, wherein
  • the one-axis driving mode is a driving form in which the drum and the rotating body are integrally rotated such that the rotational speed of the rotating body is equal to the rotational speed of the drum
  • the two-axis driving mode is a driving form in which the rotation speed of the rotating body is faster than a rotation speed of the drum to rotate the drum and the rotating body, and a control unit that controls
  • the drive unit After the control unit performs the spin-drying process, the drive unit performs rotation of the drum and the rotating body based on the two-axis driving mode, thereby performing attachment to the dehydrating step.
  • the washing process of the drum is peeled off by the contact of the rotating body of the laundry.
  • the dehydration step may include an intermediate dehydration step performed before the rinsing step and a final dehydration step performed at the end of the washing operation.
  • the control unit may adopt a configuration in which the peeling step is performed after the final dehydration step.
  • control unit may have a configuration in which the peeling step is performed after the intermediate spin-drying step and before the rinsing step.
  • control unit may be configured to perform forward rotation and reverse rotation of the drum and the rotating body by the driving unit in the two-axis driving mode in the peeling step. structure.
  • control unit may perform the washing process and the rotation by rotating the drum and the rotating body in the two-axis driving mode by the driving unit.
  • the laundry in the drum is not only hit by the agitation caused by the rotation of the drum, but also hits the inner peripheral surface of the drum, and is also rotated by the projection of the rotating body or Stir. Therefore, the cleaning performance can be improved as compared with a structure in which the laundry is stirred only by the rotation of the drum.
  • FIG. 1 is a side cross-sectional view showing a configuration of a drum type washing machine according to an embodiment.
  • FIG. 2 is a cross-sectional view showing a configuration of a drive unit according to an embodiment.
  • FIG 3 is a cross-sectional view showing a configuration of a drive unit according to an embodiment.
  • FIG. 4 is a front view of the rotor showing a configuration of a rotor of a drive motor according to the embodiment.
  • Fig. 5 is an enlarged perspective view showing a rear portion of a bearing unit formed by a rack according to an embodiment.
  • FIG. 6 is a view showing a configuration of a clutch body of a clutch mechanism portion according to the embodiment.
  • FIG. 7 is a block diagram showing a configuration of a drum type washing machine according to an embodiment.
  • FIG. 8 is a view showing each step in the washing operation according to the embodiment.
  • FIG. 9 is a flowchart showing a control process in the peeling process according to the embodiment.
  • FIG. 10 is a view showing a state of the laundry in the drum before the peeling step, in the peeling step, and after the peeling step according to the embodiment.
  • FIG. 11 is a view showing each step in the washing operation according to the modification.
  • drum type washing machine which does not have a drying function as one embodiment of the drum type washing machine of the present invention will be described with reference to the drawings.
  • FIG. 1 is a side cross-sectional view showing a configuration of a drum type washing machine 1.
  • the drum type washing machine 1 is provided with a casing 10 that constitutes an appearance.
  • the front surface 10a of the casing 10 is inclined upward from the central portion, and an inlet 11 for washing is formed on the inclined surface.
  • the inlet 11 is covered by a door 12 that is freely opened and closed.
  • the outer tank 20 is elastically supported by a plurality of dampers 21.
  • the drum 22 is rotatably disposed in the outer tub 20.
  • the outer groove 20 and the rear surface side of the drum 22 are inclined so as to become lower with respect to the horizontal direction. Thereby, the drum 22 rotates centering on the inclination axis inclined with respect to the horizontal direction.
  • the inclination angle of the outer tub 20 and the drum 22 is set to about 10 to 20 degrees.
  • the opening 20a of the front surface of the outer tub 20 and the opening 22a of the front surface of the drum 22 face the input port 11, and are closed by the door 12 together with the input port 11.
  • a plurality of dewatering holes 22b are formed on the inner peripheral surface of the drum 22, a plurality of dewatering holes 22b are formed.
  • three lifting ribs 23 are provided at substantially equal intervals in the circumferential direction.
  • the agitating body 24 is rotatably disposed at the rear of the drum 22 .
  • the agitating body 24 has a substantially disk shape.
  • the agitating body 24 rotates coaxially with the drum 22.
  • the agitating body 24 corresponds to the rotating body of the present invention, and the vane 24a corresponds to the protruding portion of the present invention.
  • a drive unit 30 that generates torque for driving the drum 22 and the agitating body 24 is disposed behind the outer tub 20.
  • the drive unit 30 corresponds to the drive unit of the present invention.
  • the driving unit 30 rotates the drum 22 and the stirring body 24 at different rotation speeds in the same direction. Specifically, the drive unit 30 rotates the drum 22 at a rotational speed at which the centrifugal force applied to the laundry in the drum 22 is less than the gravity, and rotates the agitating body 24 at a rotational speed faster than the rotational speed of the drum 22.
  • the drive unit 30 integrally rotates the drum 22 and the agitating body 24 with a centrifugal force that is applied to the laundry in the drum 22 much larger than the rotational speed of gravity.
  • the detailed structure of the drive unit 30 will be described later.
  • a drain port portion 20b is formed at the bottom of the outer tub 20.
  • a drain valve 40 is provided in the drain port portion 20b.
  • the drain valve 40 is connected to the drain hose 41. When the drain valve 40 is opened, the water stored in the outer tank 20 is discharged to the outside through the drain hose 41.
  • a detergent box 50 is disposed in the front upper portion of the casing 10.
  • Detergent container 50a containing detergent It is accommodated in the detergent box 50 freely withdrawn from the front.
  • the detergent box 50 is connected to the water supply valve 51 disposed at the rear upper portion in the casing 10 through the water supply hose 52. Further, the detergent box 50 is connected to the upper portion of the outer tub 20 through a water injection pipe 53.
  • the water supply valve 51 is opened, tap water from the faucet is supplied into the outer tank 20 through the water supply hose 52, the detergent box 50, and the water injection pipe 53. At this time, the detergent contained in the detergent container 50a is supplied into the outer tub 20 along the water flow.
  • FIG. 2 and 3 are cross-sectional views showing the configuration of the drive unit 30.
  • 2 shows a state in which the driving form of the driving unit 30 is switched to the two-axis driving mode
  • FIG. 3 shows a state in which the driving form of the driving unit 30 is switched to the one-axis driving mode.
  • FIG. 4 is a front view showing the rotor 110 of the structure of the rotor 110 of the drive motor 100.
  • FIG. 5 is an enlarged perspective view of the rear portion of the bearing unit 500 in which the rack 514 is formed.
  • 6(a) to 6(c) are views showing a configuration of a clutch body 610 of the clutch mechanism portion 600, which are respectively a front view, a right side view, and a rear view of the clutch body 610.
  • the drive unit 30 includes a drive motor 100, a wing shaft 200, a drum shaft 300, a planetary gear mechanism 400, a bearing unit 500, and a clutch mechanism portion 600.
  • the drive motor 100 generates torque for driving the agitating body 24 and the drum 22.
  • the wing shaft 200 is rotated by the torque of the drive motor 100, and the rotation is transmitted to the agitating body 24.
  • the planetary gear mechanism 400 decelerates the rotation of the wing shaft 200, that is, the rotation of the rotor 110 of the drive motor 100, and transmits it to the drum shaft 300.
  • the drum shaft 300 rotates coaxially with the wing shaft 200 at a rotational speed decelerated by the planetary gear mechanism 400, and transmits the rotation to the drum 22.
  • the bearing unit 500 supports the wing shaft 200 and the drum shaft 300 in a freely rotatable manner.
  • the clutch mechanism unit 600 switches the driving form of the driving unit 30 between the two-axis driving mode in which the agitating body 24, that is, the wing shaft 200, and the rotational speed of the driving motor 100 are switched.
  • the rotation speed is rotated at an equal speed
  • the drum shaft 230 that is, the drum shaft 300, is rotated at a rotation speed decelerated by the planetary gear mechanism 40.
  • the one-shaft drive mode is such that the agitating body 24 and the drum 22, that is, the wing shaft 200.
  • the drum shaft 300 and the planetary gear mechanism 400 are integrally rotated at a rotation speed equal to that of the drive motor 100.
  • the drive motor 100 is an outer rotor type DC brushless motor including a rotor 110 and a stator 120.
  • the rotor 110 is formed in a bottomed cylindrical shape, and permanent magnets 111 are arranged on the inner circumferential surface thereof over the entire circumference.
  • a circular boss portion 112 is formed at a central portion of the rotor 110.
  • a boss hole 113 for fixing the wing shaft 200 is formed in the boss portion 112, and an annular engaged recess 114 is formed on the outer circumference of the boss hole 113.
  • the outer peripheral portion of the engaged recessed portion 114 has the uneven portion 114a over the entire circumference.
  • the stator 120 has a coil 121 at the outer peripheral portion.
  • a drive current is supplied to the coil 121 of the stator 120 from a motor drive unit to be described later, the rotor 110 rotates.
  • the drum shaft 300 has a hollow shape and encloses the wing shaft 200 and the planetary gear mechanism 400.
  • the center portion of the drum shaft 300 is bulged outward, and the bulged portion constitutes a housing portion of the planetary gear mechanism 400.
  • the planetary gear mechanism 400 includes a sun gear 410, an annular internal gear 420 surrounding the sun gear 410, a plurality of sets of planetary gears 430 interposed between the sun gear 410 and the internal gear 420, and a planet that rotatably holds the planetary gears 430 Carrier 440.
  • the sun gear 410 is fixed to the wing shaft 200, and the internal gear 420 is fixed to the drum shaft 300.
  • a set of planet gears 430 includes a first gear and a second gear that mesh with each other and rotate in opposite directions.
  • the planet carrier 440 includes a carrier shaft 441 that extends rearward.
  • the carrier shaft 441 is coaxial with the drum shaft 300, and is internally hollow to allow the wing shaft 200 to be inserted.
  • the rear end portion of the wing shaft 200 protrudes rearward from the carrier shaft 441 and is fixed to the boss hole 113 on the rotor 110.
  • a cylindrical bearing portion 510 is provided at the center portion. Inside the bearing portion 510, rollers 511 and 512 are provided at the front and rear portions, and a mechanical seal 513 is provided at the front end portion. The outer peripheral surface of the drum shaft 300 is supported by the rollers 511, 512 and smoothly rotates in the bearing portion 510. In addition, intrusion of water between the bearing portion 510 and the drum shaft 300 is prevented by the mechanical seal 513. As shown in FIG. 5, a rack 514 is formed on the inner surface of the rear end portion of the bearing portion 510 over the entire circumference.
  • a fixing flange portion 520 is formed around the bearing portion 510.
  • a mounting boss 521 is formed at a lower end portion of the fixing flange portion 520.
  • the bearing unit 500 is fixed to the rear surface of the outer tub 20 by a fixing method such as screw fastening.
  • a fixing method such as screw fastening.
  • the wing shaft 200 and the drum shaft 300 face the inside of the outer tub 20.
  • the drum 22 is fixed to the drum shaft 300, and the agitating body 24 is fixed to the wing shaft 200.
  • the clutch mechanism unit 600 includes a clutch body 610, a clutch spring 620, a clutch lever 630, a lever support portion 640, a clutch drive device 650, a joint bar 660, and a mounting plate 670.
  • the clutch body 610 has a substantially disk shape.
  • An annular rack 611 is formed on the outer peripheral surface of the front end portion of the clutch body 610.
  • the rack 611 is formed to be engaged with the rack 514 of the bearing unit 500.
  • a flange portion 612 is formed on the outer circumferential surface of the clutch body 610 behind the rack 611.
  • an annular engaging convex portion is formed at the rear end portion. Edge 613.
  • the engagement flange portion 613 has the same shape as the engaged concave portion 114 of the rotor 110, and has an uneven portion 613a over the entire circumference of the outer peripheral portion. When the engagement flange portion 613 is inserted into the engaged recessed portion 114, the uneven portions 613a, 114a are engaged with each other.
  • the carrier shaft 441 is inserted into the shaft hole 614 of the clutch body 610.
  • the rack 614a formed on the inner peripheral surface of the shaft hole 614 is engaged with the rack 441a formed on the outer peripheral surface of the carrier shaft 441.
  • the clutch body 610 is in a state in which the movement in the front-rear direction is permitted with respect to the carrier shaft 441 and the rotation in the circumferential direction is restricted.
  • an annular receiving groove 615 is formed outside the shaft hole 614, and a clutch spring 620 is housed in the receiving groove 615.
  • One end of the clutch spring 620 is in contact with the rear end portion of the bearing portion 510, and the other end is in contact with the bottom surface of the receiving groove 615.
  • a pressing portion 631 that comes into contact with the rear surface of the flange portion 612 of the clutch body 610 and presses the flange portion 612 forward is formed at the upper end portion of the clutch lever 630.
  • the clutch lever 630 has a support shaft 632, and the support shaft 632 is rotatably supported by the lever support portion 640.
  • the spring 641 is sandwiched between the clutch lever 630 and the lever support portion 640.
  • the spring 641 is a tension spring, and the clutch lever 630 is biased toward the front by the elastic force of the spring 641.
  • the clutch driving device 650 includes a torque motor 651 and a disk-shaped cam 652 that rotates around the horizontal axis using the torque of the torque motor 651.
  • the upper surface of the cam 652 is in contact with the lower end portion of the clutch lever 630.
  • the upper surface of the cam 652 includes a first contact surface 652a having a higher height disposed on one end side, a second contact surface 652b having a lower height disposed on the other end side, and connecting the first contact surface 652a and the second contact surface 652b.
  • the lever support portion 640 and the clutch drive device 650 are fixed to the mounting plate 660 by a fixing method such as screw fastening.
  • the mounting plate 660 is fixed to the mounting boss 521 of the bearing unit 500 by screws.
  • the cam 652 is rotated by the torque motor 651 such that the first contact surface 652a is positioned above, and the second contact surface 652b is located below.
  • the lower end portion of the clutch lever 630 is sequentially pressed by the inclined surface 652c and the first contact surface 652a to move rearward.
  • the clutch lever 630 is rotated forward about the support shaft 632, and the pressing portion 631 pushes the clutch body 610 forward.
  • the clutch body 610 moves forward against the elastic force of the clutch spring 620, and the rack 611 of the clutch body 610 and the rack 514 of the bearing unit 500 are engaged.
  • the carrier shaft 441 of the planetary gear mechanism 400 that is, the carrier 440 is fixed in a non-rotatable manner.
  • the wing shaft 200 rotates at a rotational speed equal to the rotational speed of the rotor 110, and the agitating body 24 coupled to the wing shaft 200 also rotates at the same speed as the rotational speed of the rotor 110. The speed is rotated.
  • the sun gear 410 rotates in the planetary gear mechanism 400.
  • the drum shaft 300 fixed to the inner gear 420 is in the same direction as the wing shaft 200, and is rotated at a rotation speed slower than the wing shaft 200, and the drum 22 fixed to the drum shaft 300 is more than the agitating body 24
  • the slow rotation speed is rotated in the same direction as the agitating body 24.
  • the agitating body 24 rotates in the same direction as the drum 22 at a rotational speed faster than the drum 22.
  • the cam 652 is rotated by the torque motor 651 so that the second contact surface 652b is located above, A contact surface 652a is located below.
  • the lower end portion of the clutch lever 630 sequentially moves forward along the inclined surface 652c and the second contact surface 652b by the elastic force of the spring 641.
  • the clutch lever 630 rotates rearward about the support shaft 632, and the pressing portion 631 is separated from the flange portion 612 of the clutch body 610.
  • the clutch body 610 is moved rearward by the elastic force of the clutch spring 620, and the engagement flange portion 613 of the clutch body 610 is engaged with the engaged concave portion 114 of the rotor 110.
  • the internal gear 420 rotates at a rotation speed equal to that of the sun gear 410 and the carrier 440, and the drum shaft 300 fixed to the internal gear 420 rotates at a rotation speed equal to that of the rotor 110. That is, in the drive unit 30, the wing shaft 200, the planetary gear mechanism 400, and the drum shaft 300 are integrally rotated. Thereby, the drum 22 and the agitating body 24 rotate integrally.
  • FIG. 7 is a block diagram showing the configuration of the drum type washing machine 1.
  • the drum type washing machine 1 further includes a control unit 701, a storage unit 702, an operation unit 703, a water level sensor 704, a motor drive unit 705, a water supply drive unit 706, and a drain drive unit. 707, a clutch drive unit 708, and a door lock device 709.
  • the operation unit 703 includes a power button 703a, a start button 703b, and a program selection button 703c.
  • the power button 703a is a button for turning on and off the power of the drum type washing machine 1.
  • the start button 703b is a button for starting the operation.
  • the mode selection button 703c is a button for selecting an arbitrary operation program from among a plurality of operation programs related to the washing operation.
  • the operation unit 703 outputs an input signal corresponding to the button operated by the user to the control unit 701.
  • the water level sensor 704 detects the water level in the outer tank 20, and outputs a water level detection signal corresponding to the detected water level to the control unit 701.
  • the motor drive unit 705 supplies a drive current to the drive motor 100 in accordance with a control signal from the control unit 701.
  • the water supply driving unit 706 supplies a drive current to the water supply valve 51 based on a control signal from the control unit 701.
  • the drain drive unit 707 supplies a drive current to the drain valve 40 based on a control signal from the control unit 701.
  • the clutch drive 650 includes a first detection sensor 653 and a second detection sensor 654.
  • the first detecting sensor 653 detects that the driving form of the driving unit 30 is switched to the two-axis driving mode, and outputs a detection signal to the control unit 701.
  • the second detecting sensor 654 detects that the driving form of the driving unit 30 is switched to the one-axis driving mode, and outputs a detection signal to the control unit 701.
  • the clutch drive unit 708 supplies a drive current to the torque motor 651 based on a detection signal from the first detection sensor 653 and the second detection sensor 654 based on a control signal output from the control unit 701.
  • the door lock device 709 performs locking and unlocking of the door 12 in accordance with a control signal from the control unit 701.
  • the storage unit 702 includes an EEPROM, a RAM, and the like.
  • a program for executing a washing operation of various washing operation programs is stored in the storage unit 702. Further, various parameters and various control flags for execution of these programs are stored in the storage unit 702.
  • the control unit 701 controls the motor drive unit 705, the water supply drive unit 706, the drain drive unit 707, the clutch drive unit 708, and the door lock device based on the respective programs from the operation unit 703, the water level sensor 704, and the like based on the program stored in the storage unit 702. 709 and so on.
  • the drum type washing machine 1 performs a washing operation of various operation programs in accordance with a user's selection operation by the mode selection button 703c. As shown in FIG. 8, in a washing operation, a washing process, an intermediate dehydration process, a rinsing process, and a final dehydration process are performed in order. Further, depending on the operation procedure, the intermediate dehydration process and the rinsing process are sometimes performed twice or more.
  • the drive motor 100 alternately performs forward rotation and reverse rotation.
  • the drum 22 and the agitating body 24 alternately rotate forward and reverse in a state where the rotational speed of the agitating body 24 is faster than the rotational speed of the drum 22.
  • the drum 22 is rotated by a centrifugal force that acts on the laundry to be smaller than the gravity.
  • the laundry in the drum 22 is lifted up by the lifting rib 23 and dropped, and falls to the inner circumferential surface of the drum 22.
  • the laundry contacts the blades 24a of the rotating agitating body 24, so that the laundry is agitated by the blades 24a or agitated by the blades 24a. Thereby, the laundry is washed or rinsed.
  • the drive motor 100 that is, the drum 22 and the agitating body 24 are rotated by the centrifugal force of the laundry acting on the drum 22 being much larger than the rotational speed of gravity.
  • the laundry is pressed against the inner peripheral surface of the drum 22 by the action of centrifugal force for dehydration.
  • the laundry remains adhered to the inner peripheral surface of the drum 22 in many cases.
  • the user is forced to peel the laundry from the drum 22 when taking out the laundry. Therefore, the removal of the laundry becomes not easy.
  • the peeling step is performed after the final dehydration step.
  • the drum 22 and the agitating body 24 are rotated such that the rotational speed of the agitating body 24 is faster than the rotational speed of the drum 22, and the laundry adhered to the drum 22 passes.
  • the contact with the agitating body 24 of the laundry is peeled off.
  • control process by the control unit 701 will be described in detail with reference to FIGS. 9 and 10 .
  • FIG. 9 is a flowchart showing a control process in the peeling process.
  • FIGS. 10(a), (b) and (c) are views showing the state of the laundry in the drum 22 before the peeling step, in the peeling step, and after the peeling step, respectively.
  • the laundry in the drum 22 is attached to the inner circumferential surface of the drum 22 by dehydration in the final dewatering step before the peeling step.
  • the control unit 701 operates the torque motor 651 to switch the driving form of the drive unit 30 to the two-axis drive mode (S101).
  • the control unit 701 causes the drive motor 100 to rotate forward (S102).
  • the drum 22 is rotated forward at a rotation speed at which the centrifugal force acting on the laundry becomes smaller than the gravity. Further, the agitating body 24 is rotated forward at a higher speed than the drum 22.
  • the control unit 701 passes the predetermined first time (S103: Yes), the drive motor 100 is stopped (S104).
  • control unit 701 inverts the drive motor 100 at the same speed as that at the time of forward rotation (S105).
  • the drum 22 and the agitating body 24 are reversed at the same speed as in the forward rotation.
  • the control unit 701 has passed the predetermined second time (S106: YES)
  • the drive motor 100 stops the drive motor 100 (S107).
  • the second time may be the same time as the first time, or may be a different time.
  • the control unit 701 When the number of times of forward rotation and reverse rotation of the drum 22 and the agitating body 24 has not reached a predetermined number of times (for example, two times) (S108: NO), the control unit 701 performs the processing of steps S102 to S107 again. Thereby, the drum 22 and the agitating body 24 are repeatedly rotated forward and reversed a predetermined number of times.
  • a predetermined number of times for example, two times
  • the control unit 701 When the number of times of forward rotation and reverse rotation of the drum 22 and the agitating body 24 reaches a predetermined number of times (S108: YES), the control unit 701 operates the torque motor 651 to switch the driving mode of the driving unit 30 to the one-axis driving mode (S109). . In this way, the control process of the peeling process is completed. As shown in FIG. 10( c ), after the peeling process, the laundry is peeled off from the drum 22 and is in a state of being unwound.
  • the peeling step is performed after the final spin-drying step, and in the peeling step, the drum 22 and the stirring body 24 are made such that the rotational speed of the stirring body 24 is faster than the rotational speed of the drum 22
  • the rotation is performed, and the laundry adhered to the drum 22 is peeled off by contact with the agitating body 24 of the laundry.
  • the attachment of the laundry to the drum 22 can be reduced, so that the operation of peeling the laundry from the drum 22 when the laundry is taken out is reduced, and the user can easily take out the laundry.
  • the laundry attached to the drum 22 can be applied to the laundry by the stirring body 24 from two different directions. The resulting force, the laundry is easily peeled off from the drum 22.
  • the drum 22 and the agitating body 24 are rotated such that the rotational speed of the agitating body 24 is faster than the rotational speed of the drum 22.
  • the laundry in the drum 22 is not only hit by the inner circumferential surface of the drum 22 but also by the blade 24a of the rotating agitating body 24 by the agitation by the rotation of the drum 22. Therefore, the washing performance can be improved as compared with a structure in which the laundry is stirred only by the rotation of the drum 22.
  • the peeling process is performed after the final dewatering process.
  • FIG. 11 it is also possible to adopt a structure in which the peeling process is performed not only after the final dehydration process but also after the intermediate dehydration process.
  • the rinsing step is started in a state where the laundry is peeled off from the drum 22 and is unwound, the laundry can be satisfactorily stirred in the rinsing step, and the rinsing performance can be expected to be improved.
  • the driving unit 30 may perform the short rotation of the drum 22 and the stirring body 24 in the one-axis driving mode. Reverse, so that the drum 22 swings left and right. Since the laundry attached to the drum 22 can be easily peeled off by the operation of swinging the drum 22, the peeling effect of the laundry when the drum 22 and the stirring body 24 are rotated can be improved by the two-axis driving mode.
  • the drum 22 is rotated about the tilt axis that is inclined with respect to the horizontal direction.
  • the drum type washing machine 1 can also be configured such that the sampling drum 22 rotates around the horizontal axis.
  • the drum type washing machine 1 of the above embodiment does not have a drying function
  • the present invention can also be applied to a drum type washing and drying machine which is a drum type washing machine having a drying function.
  • the drying operation is performed after the stripping process. Since the drying operation is started in a state where the laundry is peeled off from the drum 22 and is unwound, the laundry can be satisfactorily stirred during the drying operation, and the drying performance can be expected to be improved.
  • 10 housing; 20: outer groove; 22: roller; 24: agitating body (rotating body); 24a: blade (projection); 30: drive unit (drive unit); 701: control unit.

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

Abstract

L'invention concerne une machine à laver du type à tambour qui peut réduire l'adhérence des articles lavés sur les côtés du tambour après le cycle d'essorage. La machine à laver du type à tambour comprend : un corps d'agitation (24) disposé à l'arrière du tambour (22) ; une unité d'entraînement qui peut provoquer la rotation du tambour (22) et du corps d'agitation (24) au moyen d'une forme à double arbre d'entraînement ou d'une forme à un seul arbre d'entraînement, la forme à un seul arbre d'entraînement provoquant la rotation du tambour (22) et du corps d'agitation (24) d'un seul tenant, le corps d'agitation tournant à une vitesse identique à celle du tambour (22), et la forme à double arbre d'entraînement provoquant une rotation distincte du tambour (22) et du corps d'agitation (24), le corps d'agitation (24) tournant à une vitesse supérieure à celle du tambour (22) ; et une partie de commande destinée à commander les actions de l'unité d'entraînement. Après le cycle d'essorage, et au moyen de la partie de commande amenant l'unité d'entraînement à entraîner la rotation du tambour (22) et du corps d'agitation (24) sur la base de la forme à double arbre d'entraînement, des articles lavés qui, pendant le cycle d'essorage, se sont collés sur les côtés du tambour (22), sont amenés, par contact avec le corps d'agitation (24) à être décollés desdits côtés dans un processus de décollage.
PCT/CN2015/079962 2014-06-06 2015-05-27 Machine à laver à tambour WO2015184958A1 (fr)

Applications Claiming Priority (2)

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JP2014118208A JP6356496B2 (ja) 2014-06-06 2014-06-06 ドラム式洗濯機
JP2014-118208 2014-06-06

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WO2015184958A1 true WO2015184958A1 (fr) 2015-12-10

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Publication number Priority date Publication date Assignee Title
WO2018041079A1 (fr) * 2016-08-29 2018-03-08 青岛海尔洗衣机有限公司 Machine à laver de type à tambour
CN109811503A (zh) * 2017-11-20 2019-05-28 无锡小天鹅股份有限公司 洗衣机的控制方法、装置和洗衣机

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JPH01175889A (ja) * 1987-12-29 1989-07-12 Matsushita Electric Ind Co Ltd 洗濯機の運転方法
US20040154642A1 (en) * 2002-11-26 2004-08-12 Lg Electronics, Inc. Method of controlling drum-type washing machine
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JP4923950B2 (ja) * 2006-10-26 2012-04-25 パナソニック株式会社 洗濯機
CN202519478U (zh) * 2012-03-27 2012-11-07 常州新亚电机有限公司 一种洗衣机的双驱动系统
CN103334259A (zh) * 2013-06-26 2013-10-02 无锡小天鹅股份有限公司 洗衣机及其控制方法

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JPH11276757A (ja) * 1998-03-30 1999-10-12 Nippon Kentetsu Co Ltd 洗濯乾燥機
JP5044587B2 (ja) * 2009-02-24 2012-10-10 株式会社東芝 ドラム式洗濯機

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Publication number Priority date Publication date Assignee Title
JPH01175889A (ja) * 1987-12-29 1989-07-12 Matsushita Electric Ind Co Ltd 洗濯機の運転方法
US20040154642A1 (en) * 2002-11-26 2004-08-12 Lg Electronics, Inc. Method of controlling drum-type washing machine
CN1566444A (zh) * 2003-06-30 2005-01-19 乐金电子(天津)电器有限公司 滚筒洗衣机的控制方法
JP4923950B2 (ja) * 2006-10-26 2012-04-25 パナソニック株式会社 洗濯機
CN202519478U (zh) * 2012-03-27 2012-11-07 常州新亚电机有限公司 一种洗衣机的双驱动系统
CN103334259A (zh) * 2013-06-26 2013-10-02 无锡小天鹅股份有限公司 洗衣机及其控制方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018041079A1 (fr) * 2016-08-29 2018-03-08 青岛海尔洗衣机有限公司 Machine à laver de type à tambour
CN109811503A (zh) * 2017-11-20 2019-05-28 无锡小天鹅股份有限公司 洗衣机的控制方法、装置和洗衣机

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JP6356496B2 (ja) 2018-07-11

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