EP2987901B1 - Structure intégrée de cylindre interne et d'agitateur, machine à laver et procédé de lavage - Google Patents

Structure intégrée de cylindre interne et d'agitateur, machine à laver et procédé de lavage Download PDF

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Publication number
EP2987901B1
EP2987901B1 EP13882099.8A EP13882099A EP2987901B1 EP 2987901 B1 EP2987901 B1 EP 2987901B1 EP 13882099 A EP13882099 A EP 13882099A EP 2987901 B1 EP2987901 B1 EP 2987901B1
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EP
European Patent Office
Prior art keywords
internal barrel
water stirring
slope
internal
clothing
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.)
Not-in-force
Application number
EP13882099.8A
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German (de)
English (en)
Other versions
EP2987901A4 (fr
EP2987901A1 (fr
Inventor
Haitao Li
Sheng Xu
Xiuwen PENG
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.)
Haier Group Corp
Qingdao Haier Washing Machine Co Ltd
Original Assignee
Haier Group Corp
Qingdao Haier Washing Machine Co Ltd
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Filing date
Publication date
Priority claimed from CN201310132537.9A external-priority patent/CN104109962B/zh
Priority claimed from CN201310134110.2A external-priority patent/CN104109964A/zh
Application filed by Haier Group Corp, Qingdao Haier Washing Machine Co Ltd filed Critical Haier Group Corp
Publication of EP2987901A1 publication Critical patent/EP2987901A1/fr
Publication of EP2987901A4 publication Critical patent/EP2987901A4/fr
Application granted granted Critical
Publication of EP2987901B1 publication Critical patent/EP2987901B1/fr
Not-in-force legal-status Critical Current
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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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/14—Ribs or rubbing means forming part of the receptacle
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces
    • 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
    • D06F13/00—Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting the articles being washed 
    • D06F13/04—Washing machines having receptacles, stationary for washing purposes, with agitators therein contacting the articles being washed  wherein the agitator has an axial motion only
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • D06F17/10—Impellers

Definitions

  • the present invention relates to the field of washing machines, and particularly, to an integrated structure of an internal barrel and an impeller, a washing machine using the structure, and a washing method of a washing machine.
  • washing machines In the prior art, it is common to divide washing machines into drum washing machines, impeller washing machines and agitator washing machines.
  • the impeller washing machines and the agitator washing machines are very similar.
  • the impeller washing machines rely on an impeller to stir water currents, and water currents moving irregularly stir the clothing, so as to complete washing and rinsing processes of the clothing;
  • the agitator washing machines rely on a stirring pole, to drag the clothing to move in water directly or by means of water power, so as to complete washing of the clothing.
  • the drum washing machines rely on a plurality of ribs fixed to inner walls of the inner drum to lift the clothing, and the clothing is repeatedly lifted and falls in the drum to complete washing and rinsing processes.
  • the drum washing machines use less water, have a low clothing wear rate, do not intertwine the clothing, can be provided with a water heating device, and achieve automation easily, but have weak detergency, a long washing time, a complicated structure and huge volume, consume many raw metal materials, and have a higher cost, which are relatively difficult to control during high speed dewatering.
  • the agitator washing machines have good washing uniformity, strong detergency, a small clothing wear rate and large washing capacity, but have a long washing time, great noise, a complicated swing mechanism of a stirring wing, difficult machining, a higher cost, and large volume.
  • the impeller washing machines have a simple structure, strong detergency, a short washing time, a low cost, and are lightweight, but have higher clothing wear rate and intertwine rate, poor washing uniformity and more water consumption.
  • washing machines have been widely used in families, but existing washing machines are mostly dual power or double-drum machines, have a relatively complicated structure and a greater size, and occupy larger family space.
  • An internal barrel of a general impeller washing machine is provided with an impeller, the structure is relatively complicated, the installation process is cumbersome, and the cost is high; if the internal barrel and the impeller can be designed into an integrated structure, the complexity, the installation process and the cost will be reduced greatly. How to integrate the advantages of the various washing machines is a facing major problem.
  • the Chinese Patent with Patent No. CN200510094191.3 discloses a clothing washing manner with a good washing effect, a low cost and no environmental pollution, which mainly includes the following steps: (i) adding an appropriate amount of washing water and defoaming agent to a washing machine that contains clothing to be washed; (ii) controlling a rotation speed of a tank of the washing machine to be 3-12 rpm through a control device, wherein, during operation of the tank, forward rotation and reverse rotation are carried out at intervals, the number of turns of the forward rotation each time is 0.3-1.5 turns, and the number of turns of the reverse rotation each time is 0.3-1.5 turns; after the tank operates continuously in this way for 0.4-1.5 minutes, the tank stops operating for 0.3-1.5 minutes; (iii) repeating the procedure in step (ii) 3-20 times; (iv) then making the tank rotate unidirectionally, carrying out a procedure of uniform distribution, and after the uniform distribution ends, carrying out quick dewatering for 0.3-3.5 minutes in a rotating drum
  • the Chinese Patent with Patent No. CN03276136.8 discloses a washing machine with good dirt removal, and low twisting and wear.
  • the screw-type washing machine increases a cleaning ratio and washing uniformity, and reduces the twisting rate and the wear rate.
  • the structure of the washing machine is simple, the impeller (the internal barrel bottom) and the internal barrel wall are connected into one piece, there is no clutch, and the internal barrel is full of rifling threads thereon.
  • the clothing is cleaned through combined actions such as pressured and multi-direction rubbing, centrifugal force washing without side effects, cavatition and high-speed start up inertia.
  • the washing machine involved in the patent merely increases a screw structure for the internal barrel wall, no definition is given to the internal barrel bottom structure, and the space of the internal barrel bottom is wasted, which cannot have a washing effect on the clothing.
  • the Chinese Patent with Patent No. CN00215731.4 discloses an automatic washing machine without an impeller, including an internal barrel, an outer barrel, an internal barrel bottom water repellent rib and a motor, characterized in that the internal barrel and the internal barrel bottom water repellent rib are integrated, and the internal barrel bottom water repellent rib replaces the impeller of the existing impeller washing machine.
  • a motor rotor is fixed onto a main shaft of the internal barrel, and the motor rotor and the internal barrel share the main shaft of the internal barrel.
  • the internal barrel and the internal barrel bottom water repellent rib are integrated, when the motor drives the internal barrel to make forward and reverse intermittent operation, the internal barrel bottom water repellent rib drives water currents to move, to play a role of impeller.
  • the patent discloses a non-impeller structure, which does not specifically describe the internal barrel bottom and a side structure thereof, the internal barrel bottom structure illustrated does not have a strengthening effect on turning of the clothing, and the side face does not have a corresponding water stirring blade to stir the internal washing water.
  • U.S. Pat. No. 5 297 403 A of FARRINGTON ERIC K et al. , describes an automatic washing machine having a imperforate stationery tub and further having a rotatable plastic wash basket, for receiving a clothes load, disposed within the tub.
  • the rotatable plastic wash basket includes a cylindrical outer wall defining a vertical axis and having an upper end open for receiving the clothes load.
  • a base integral with the cylindrical outerwall is provided for forming a bottom of the rotatable basket.
  • a hub member is positioned centrally in the base and is drivingly connectable with a drive shaft for rotating said rotatable wash basket.
  • the base further includes an annular cavity, formed within the base, surrounding the hub member.
  • the annular cavity has a substantially triangular radial cross-section such that the base comprises walls which define the annular cavity and form a triangular truss optimally configured for providing strength and rigidity to the wash basket base.
  • a washing machine particularly to an anti-winding washing machine impeller, comprising a blade seat and a plurality of blades, wherein the blade seat is shaped as a disk, with the bottom thereof being provided with water-penetrating holes; two sides of the blade are provided with water-stirring surfaces, with two water-stirring surfaces meeting at the top of the blades to form a blade ridge; and the blade-dividing angles are arranged at the blade seat.
  • the anti-winding washing machine impeller is characterized in that: the central position of the blade seat is provided with a projection, with the projection being provided with stirring ribs having the number equal to that of the blades; each stirring rib is connected with the corresponding blade ridge; and the downward view line of the blade ridge is in the shape of S having two opposite arcs.
  • the side view shape of the blade ridge is characterized in that: the outboard close to the blade seat has an arc projection while the central side close to the blade seat has an arc concave line.
  • the anti-winding washing machine impeller can generate flow having a rising central part when rotating, with the clothes rotated to the central position of the washing tube being scattered, thus to prevent winding.
  • JP Pat. No. H08164290A of NONOGAKI TAKASHI et al. , describes a spin-drying washing machine washing laundry via the normal and reverse rotations of a pulsator laid on the inner bottom of a drum also serving as a spin basket.
  • the pulsator is formed to have a flat circular and shallow pot type base plate as well as vanes projected in a radial linear from the center of the base plate and kept slantwise along one of normal and reverse rotating directions on the peripheral section of the plate.
  • the pulsator gives a different motion and strength to wash water and laundry, depending on the normal and reverse rotations thereof.
  • a laundry motion is kept large along the center and external outward directions of the pulsator, thereby making the laundry motion complicate and active.
  • GB Pat. No. 2137232 A of HIROOKA HIROSHI et al. , describes a washing machine has a motor which can run in opposite directions to impart alternating movement to an agitator in a wash tank.
  • a sensor detects the rotational angle of the agitator and a control circuit is responsive to the detected angles to de-energise the motor at predetermined positions of the agitator and then to energise the motor in a reverse direction after continued rotation of the motor and agitator under the influence of inertia has almost stopped.
  • the control means include apertures in pulley, light source and detector. Light pulses transmitted by apertures are counted and thus indicate the extent of rotation.
  • a washing machine for controlling the rotation of a pulsator to enhance cleaning performance
  • a method of operating a washing machine having a pulsator rotatably provided in a tub may include a first cleaning mode having a first process of rotating the pulsator in one direction at a first angle and then rotating it in the other direction at a second angle around the rotation shaft; and a second process of rotating the pulsator in the one direction at a third angle and then rotating it in the other direction at a fourth angle around the rotation shaft, wherein the first angle is greater than the third angle, and the second angle is greater than the fourth angle, and the second angle is greater than the third angle.
  • WO 2009/017361 A2 of KOO BON KWON , describes a laundry machine capable of washing or drying laundry and a method for controlling the same are provided.
  • the method includes a first rotation including rotating a stationary drum in a first rotating direction by a predetermined angle within - 180 degrees, and a second rotation including rotating the drum, in a direction opposite to the first rotating direction, at least one revolution.
  • Pat. No. WO 2009/027414 A1 of BESIKCI AYSEGUL AYDAY et al. , describes a washing machine comprising a control unit that implements a spinning profile whereby the laundry is maintained not to form deep wrinkles difficult to ease out even by the ironing process but instead shallow creases that can easily be ironed out.
  • An objective of the present invention is to provide an integrated structure of an internal barrel and an impeller and add a water stirring blade structure to the internal barrel bottom, so as to overcome the shortcomings of the prior art; the structure extends from the internal barrel bottom to the internal barrel wall, enables the clothing to be lifted, fall and be hit in the circumferential direction, and also enables the clothing to be turned in a radial direction, to uniformly wash the clothing in all directions, which has a good washing effect, can complete washing, rinsing and dewatering processes by making the clothing only pass through one washing barrel, makes the washing machine have a simple structure, simplifies the installation process and reduces the cost.
  • Another objective of the present invention is to provide a washing machine having the integrated structure of an internal barrel and an impeller.
  • Another objective of the present invention is to provide a washing method of the washing machine; the method includes forward and reverse rotation at intervals to reduce twisting. Since every time the angles of the positive and negative rotation are different, non-uniform washing caused by the continuous washing friction of clothes in the same location is prevented.
  • the lifting beating, centrifugal force turnover, impact striking, and friction rubbing act together during the washing by the integrated structure of an internal barrel and an impeller, so that clothes are uniformly washed omnidirectionally.
  • An integrated structure of an internal barrel and an impeller the structure comprises an internal barrel which is used vertically, and water stirring blades at the internal barrel bottom, wherein the water stirring blades and the internal barrel bottom are arranged integrally; and the water stirring blades are of a protrusion structure arranged at the internal barrel bottom, the number of the water stirring blades is at least two, each water stirring blade extends to an internal barrel wall from the center of the internal barrel bottom , and each water stirring blade raises up and extends in an outward radial direction of the internal barrel bottom to the highest point, then is connected to the internal barrel wall, and raises up and extends in the shape of a first slope in a circumferential direction from one side to the highest point, and then descends in the shape of a second slope to the internal barrel bottom, and a degree of the first slope is greater than that of the second slope.
  • the number of the water stirring blades is 2-4, the water stirring blades are distributed around an axis of the internal barrel radially along the circumference of the internal barrel bottom clockwise or counterclockwise, when the number of the water stirring blade is two, the two water stirring blades are centrosymmetrically distributed, when the number of the water stirring blade is greater than or equal to three, angles between any two adjacent water stirring blades are equal, and the water stirring blades rise and extend along the circumference of the internal barrel bottom clockwise or counterclockwise in the same direction.
  • a first slope rising side of the water stirring blade rises, the first slope rising side forms a consecutive curved surface, a second slope falling side of the water stirring blade falls, the second slope falling side forms a consecutive curved surface, the internal barrel bottom transits with the first slope rising side and the second slope falling side through curved surfaces, the water stirring blade transits from low to high outwardly along a radial direction of the internal barrel bottom, a width between two sides in an extending direction from low to high gradually increases.
  • Highest points of the water stirring blade form a ridge of the water stirring blade in different radial positions of the internal barrel bottom, the ridge is made up of two arcs, circle centers of the two arcs are distributed on different sides of the ridge, the circle center of the arc near the center of the internal barrel is on the first slope rising side, and the circle center of the arc near the internal barrel wall is on the second slope falling side.
  • the water stirring blade tilts on two sides of any point on the ridge in different degrees, and a tilt degree of the first slope rising side is less than that of the second slope falling side.
  • An intersecting line between the water stirring blade and the internal barrel bottom is an arc, bending directions of an intersecting line between the first slope rising side and the internal barrel bottom and an intersecting line between the second slope falling side and the internal barrel bottom are the same, and an angle between each intersecting line and the outermost circumference of the internal barrel bottom is not 90 degree.
  • a ratio range of the height of the internal barrel to the diameter of the internal barrel is 0.4-2, preferably the height of the internal barrel is less than or equal to the diameter of the internal barrel.
  • a ratio of the height of the internal barrel to the diameter of the internal barrel is 0.6.
  • the central position of the internal barrel bottom is provided with an axle hole that allows a power shaft to penetrate, and multiple water leakage holes are distributed on the internal barrel wall and/or the internal barrel bottom of the internal barrel.
  • a washing machine having the integrated structure of an internal barrel and an impeller, wherein the washing machine comprises an outer barrel, the outer barrel of the washing machine is coaxially provided with the integrated structure of an internal barrel and an impeller, and a power shaft of the washing machine extends into the axle hole in the central position of the internal barrel bottom in the integrated structure of an internal barrel and an impeller.
  • a washing method wherein the method turns clothing in an internal barrel by controlling an integrated structure of an internal barrel and an impeller to rotate forward and reversely at intervals, to complete washing, in the method, the integrated structure of an internal barrel and an impeller rotates forward and reversely at different angles each time, the forward rotation angle each time is not equal to the reverse rotation angle each time, by means of an integrated structure of the internal barrel and an impeller; the integrated structure of an internal barrel and an impeller, the structure comprising an internal barrel which is used vertically and water stirring blades at an internal barrel bottom, wherein the water stirring blades and the internal barrel bottom are arranged integrally; and the water stirring blades are of a projection structure arranged at the internal barrel bottom, the number of the water stirring blades is at least two, each water stirring blade extends to an internal barrel wall from the center of the internal barrel bottom, and each water stirring blade raises up and extends in an outward radial direction of the internal barrel bottom to the highest point, then is connected to the internal barrel wall, and raises up and extends in the shape of
  • Falling and beating of the clothing after pull-up when rotating forward in the circumferential direction or striking when rotating reversely and turning in the radial direction are carried out at the same time, to make the clothing always in a continuous rolling state in the internal barrel and collide with and rub the internal barrel bottom and the internal barrel wall, to be evenly washed.
  • Motions of the clothing in the circumferential direction and in the radial direction are guided by a projection structure of the internal barrel bottom.
  • the number of the projection structure is at least two, preferably 2-4, the projection structures are evenly distributed around an axis of the internal barrel radially along the circumference of the internal barrel bottom clockwise or counterclockwise, and rise and extend along the circumference of the internal barrel bottom clockwise or counterclockwise in the same direction, and the projection structures rise and extend along a radial outward direction of the internal barrel bottom, after extending to the highest point, are connected with the internal barrel wall, and after rising and extending to the highest point along the circumferential direction from one side in a shape of a first slope, drop back to the internal barrel bottom in a shape of a second slope.
  • the clothing In the washing process, in the circumferential direction, during forward rotation, the clothing, after rising to the highest point along a smooth rising and extending plane of the projection structure, falls and beats along a subvertical second slope plane, and during reverse rotation, the clothing hits the subvertical second slope plane.
  • centrifugal force produced by rotation makes the clothing turned outwardly and upwardly along the projection structure, and turned inwardly and downwardly after going to the internal barrel wall.
  • the internal barrel increases to a forward rotation speed X at a certain acceleration, rotates forward for a certain time T1, pauses for a period of time, then increases to a reverse rotation speed Y at a certain acceleration, and rotates reversely for a certain time T2, a forward rotation angle each time is not equal to a reverse rotation angle, and the process is repeated 5-500 times for each washing or rinsing.
  • the forward rotation speed X and the reverse rotation speed Y are 20-100 rpm respectively, the forward rotation time T1 and the reverse rotation time T2 are 1-5 s respectively, and X ⁇ T1 ⁇ Y ⁇ T2.
  • the washing method includes the following steps:
  • the present invention discloses an integrated structure of an internal barrel and an impeller, the structure including an internal barrel 1 vertically used and a water stirring blade 2 of an internal barrel bottom 11, wherein the water stirring blade 2 is integrated with the internal barrel 1, the water stirring blade 2 is a projection structure disposed at the internal barrel bottom 11, the number of the water stirring blade 2 is at least two, each water stirring blade 2 extends from the center of the internal barrel bottom 11 to an internal barrel wall 12, and each water stirring blade 2 rises and extends along a circumferential direction of the internal barrel bottom 11 and a barrel diameter outward direction respectively, after extending to the highest point along a radial outward direction of the internal barrel bottom 11, is connected with the internal barrel wall 12, and after rising and extending to the highest point along the circumferential direction from one side in a shape of a first slope, drops back to the internal barrel bottom 11 in a shape of a second slope.
  • the water stirring blade 2 extends from the center of the internal barrel bottom 11 to the internal barrel wall 12, the water stirring blade 2 of the internal barrel bottom 11 slowly rises to the highest point in a circumferential direction and then rapidly falls, the internal barrel 1 gradually rises in a direction from the center to the internal barrel wall 12, and the highest point is connected with the internal barrel wall 12.
  • Falling and beating of the clothing after pull-up when rotating forward in the circumferential direction or striking when rotating reversely and turning in the radial direction are carried out at the same time, to make the clothing always in a continuous rolling state in the internal barrel and collide with and rub the internal barrel bottom and the internal barrel wall, so as to always wash different positions.
  • the number of the water stirring blade 2 is 2-4, and the water stirring blades 2 are evenly distributed around an axis of the internal barrel 1 along the internal barrel bottom 11, and rise and extend along the circumference of the internal barrel bottom 11 clockwise or counterclockwise in the same direction.
  • the number of the water stirring blade 2 is two, the two water stirring blades 2 are centrosymmetrically distributed, when the number of the water stirring blade is three, an angle between any two water stirring blades 2 is 120 degrees, and when the number of the water stirring blade 2 is multiple, the multiple water stirring blades 2 are evenly distributed around the axis of the internal barrel 1 like a spoke.
  • the water stirring blade 2 When rising and extending along the circumference of the internal barrel bottom 11 clockwise or counterclockwise, the water stirring blade 2 smoothly transits from low to high, the water stirring blade 2 smoothly transits from low to high along a direction in which the barrel diameter extends outwardly, and the width between two sides in an extending direction from low to high gradually increases, which is maximum at the internal barrel wall 12.
  • a first slope rising side 21 of the water stirring blade 2 smoothly rises, a second slope falling side 22 of the water stirring blade 2 smoothly falls, the internal barrel bottom 11 transits smoothly with the first slope rising side 21 and the second slope falling side 22, the water stirring blade 2 smoothly rises outwardly along a radial direction of the internal barrel bottom 11, and the internal barrel wall 12 transits smoothly with the water stirring blade 2.
  • Highest points of the water stirring blade 2 form a ridge 23 of the water stirring blade 2 in different radial positions of the internal barrel bottom 11, the ridge 23 is made up of two arcs, circle centers of the two arcs are distributed on different sides of the ridge 23, the circle center of the arc near the center of the internal barrel 1 is on the first slope rising side 21, and the circle center of the arc near the internal barrel wall 12 is on the second slope falling side 22.
  • a joint between the two arcs smoothly butts, and the water stirring blade 2 is similar to " ⁇ " when viewed from top to bottom along the internal barrel 1.
  • An intersecting line between the water stirring blade 2 and the internal barrel bottom 11 is an arc, bending directions of an intersecting line a between the first slope rising side 21 and the internal barrel bottom 11 and an intersecting line b between the second slope falling side 22 and the internal barrel bottom 11 are the same, bending radiuses are different, the bending radius of the intersecting line a between the first slope rising side 21 and the internal barrel bottom 11 is less than that of the intersecting line b between the second slope falling side 22 and the internal barrel bottom 11, and each intersecting line smoothly transits with the outermost circumference of the internal barrel bottom 11.
  • Such a structure will definitely result in that the width between two sides in an extending direction from low to high gradually increases, which is maximum at the internal barrel wall 12.
  • a ratio range of the height of the internal barrel 1 to the diameter of the internal barrel 1 is 0.4-2, preferably the height of the internal barrel 1 is less than or equal to the diameter of the internal barrel 1, the height of the washing portion inside the internal barrel is less than the minimum diameter of the internal barrel, and preferably, the ratio range of the height of the internal barrel 1 to the diameter of the internal barrel 1 is 0.6, which makes full use of hitting and centrifugal rolling effects of the water stirring blade on the clothing.
  • the internal barrel wall 12 and/or the internal barrel bottom 11 of the internal barrel 1 are/is provided thereon with reinforcing ribs 3 that reduces deformation of the internal barrel 1, the reinforcing ribs 3 are disposed on an outer surface of the internal barrel wall 12 of the internal barrel 1 along an axial direction and/or a circumferential direction, and the reinforcing ribs 3 are disposed an outer surface of the internal barrel bottom 11 of the internal barrel 1 along a radial direction and/or a circumferential direction.
  • the reinforcing ribs 3 on the outer surface of the internal barrel wall 12 are disposed on the outer surface of the internal barrel wall 12 along the axial direction or horizontally disposed along the circumferential direction or staggered axially or circumferentially; the reinforcing ribs on the outer surface of the internal barrel bottom 11 are disposed on the outer surface of the internal barrel bottom 11 along the circumferential direction or disposed along the radial direction or staggered circumferentially or radially, which greatly increases the strength of the internal barrel 1.
  • the central position of the internal barrel bottom 11 is provided with an axle hole 4 (refer to FIG. 4 ) that allows a power shaft to penetrate, the axle hole 4 penetrates the axle hoe to drive the internal barrel to rotate, to complete a washing process, and multiple water leakage holes 5 are distributed on the internal barrel wall 12 and/or the internal barrel bottom 11 of the internal barrel 1, to facilitate exchange of internal and external water currents during washing and drainage.
  • axle hole 4 (refer to FIG. 4 ) that allows a power shaft to penetrate
  • the axle hole 4 penetrates the axle hoe to drive the internal barrel to rotate, to complete a washing process
  • multiple water leakage holes 5 are distributed on the internal barrel wall 12 and/or the internal barrel bottom 11 of the internal barrel 1, to facilitate exchange of internal and external water currents during washing and drainage.
  • the present invention discloses a washing method, wherein the method turns clothing in an internal barrel by controlling a washing machine to rotate forward and reversely at intervals, to complete washing, in the method, the washing machine rotates forward and reversely at different angles each time, the forward rotation angle each time is not equal to the reverse rotation angle each time, by means of an integrated structure of an internal barrel and an impeller, in the event of forward rotation in a circumferential direction, the clothing is pulled up and then falls subvertically, in the event of reverse rotation, the clothing is impacted by a subvertical plane in the circumferential direction, and in forward and reverse rotation processes, under the guide of centrifugal force produced by radial rotation and an internal barrel bottom structure, the clothing is turned outwardly and upwardly, and is turned inwardly and downwardly after arriving at an internal barrel wall.
  • Falling and beating of the clothing after pull-up when rotating forward in the circumferential direction or striking when rotating reversely and turning in the radial direction are carried out at the same time, to make the clothing always in a continuous rolling state in the internal barrel and collide with and rub the internal barrel bottom and the internal barrel wall, to be evenly washed and increase the washing rate.
  • Motions of the clothing in the circumferential direction and in the radial direction are guided by a projection structure of the internal barrel bottom.
  • the internal barrel increases to a forward rotation speed X at a certain acceleration, rotates forward for a certain time T1, pauses for a period of time, then increases to a reverse rotation speed Y at a certain acceleration, and rotates reversely for a certain time T2, a forward rotation angle each time is not equal to a reverse rotation angle, and the process is repeated 5-500 times for each washing or rinsing.
  • the forward rotation angle each time is greater than or less than the reverse rotation angle.
  • the forward rotation speed X and the reverse rotation speed Y are 20-100 rpm respectively, the forward rotation time T1 and the reverse rotation time T2 are 1-5 s respectively, and X ⁇ T1 ⁇ Y ⁇ T2, X ⁇ T1>Y ⁇ T2 or X ⁇ T1 ⁇ Y ⁇ T2.
  • the washing method includes the following steps:
  • a washing machine that uses the washing method is provided. Trajectories of the clothing are varied, and the clothing is uniformly washed omnidirectionally through combined actions of lifting beating, centrifugal force turnover, impact striking, and friction rubbing. Turning of the clothing in the circumferential direction and turning in the radial direction are carried out at the same time, to wash the clothing more evenly and have a better washing effect.
  • the number of the water stirring blade 2 is two, the two water stirring blades are centrosymmetrically distributed, each water stirring blade 2 extends from the center of the internal barrel bottom 11 to the internal barrel wall 12, the water stirring blade 2 of the internal barrel 11 gradually slowly rises to the highest point in the circumferential direction and then rapidly falls, the internal barrel 1 gradually rises in a direction from the center to the internal barrel wall 12, and the highest point is connected with the internal barrel wall 12.
  • a ratio range of the height of the internal barrel 1 to the diameter of the internal barrel 1 is 0.8, which makes full use of hitting and centrifugal rolling effects of the water stirring blades on the clothing, has a small height and saves installation space.
  • the number of the water stirring blade 2 is three, the three water stirring blades are evenly distributed along the center of the internal barrel, an angle between each two water stirring blades is 120 degrees, each water stirring blade 2 extends from the center of the internal barrel bottom 11 to the internal barrel wall 12, the water stirring blade 2 of the internal barrel 11 gradually slowly rises to the highest point in the circumferential direction and then rapidly falls, the internal barrel 1 gradually rises in a direction from the center to the internal barrel wall 12, and the highest point is connected with the internal barrel wall 12.
  • a ratio range of the height of the internal barrel 1 to the diameter of the internal barrel 1 is 0.7, which makes full use of hitting and centrifugal rolling effects of the water stirring blades on the clothing, has a small height and saves installation space.
  • the number of the water stirring blade 2 is four, the four water stirring blades are evenly distributed along the center of the internal barrel, an angle between each two water stirring blades is 90 degrees, each water stirring blade 2 extends from the center of the internal barrel bottom 11 to the internal barrel wall 12, the water stirring blade 2 of the internal barrel 11 gradually slowly rises to the highest point in the circumferential direction and then rapidly falls, the internal barrel 1 gradually rises in a direction from the center to the internal barrel wall 12, and the highest point is connected with the internal barrel wall 12.
  • a ratio range of the height of the internal barrel 1 to the diameter of the internal barrel 1 is 0.9, which makes full use of hitting and centrifugal rolling effects of the water stirring blades on the clothing, has a small height and saves installation space.
  • this embodiment provides a washing machine having the integrated structure of an internal barrel and an impeller, inside an outer barrel of the washing machine is coaxially provided with the integrated structure of an internal barrel and an impeller, and a power shaft of the washing machine extends into the axle hole in the central position of the internal barrel bottom 11.
  • the power shaft drives the integrated structure of an internal barrel and an impeller to rotate, to wash the clothing inside the internal barrel 1.
  • washing, rinsing and dewatering processes can be completed only through one washing barrel, which makes the structure of the washing machine simple, simplifies an installation process and reduces the cost;
  • a water stirring blade structure is added to the internal barrel bottom, and the structure extends from the center of the internal barrel bottom to the internal barrel wall, enables the clothing to be lifted, fall and be hit in the circumferential direction, and also enables the clothing to be turned in a radial direction, to uniformly wash the clothing in all directions, which has a good washing effect;
  • gradual rising and rapid falling of the water stirring blade of the internal barrel bottom in the circumferential direction have an effect of lifting and then beating the clothing during forward rotation, and have an effect of impacting the clothing during reverse rotation;
  • the internal barrel gradually rises in a direction from the center to the internal barrel wall, and the highest point is connected with the internal barrel wall, to turn the clothing upwardly and outwardly in the radial direction and turn the clothing downwardly and inwardly after going to
  • the washing method includes the following steps:
  • the internal barrel is controlled to rotate forward and reversely, and the clothing squeezed together after dewatering is scattered, to facilitate the user to take out and dry the clothing.
  • the washing method includes the following steps:
  • the internal barrel is controlled to rotate forward and reversely, and the clothing squeezed together after dewatering is scattered, to facilitate the user to take out and dry the clothing.
  • trajectories of the clothing in the internal barrel 1 are analyzed, and it is defined that, when the internal barrel 1 rotates along a rising and extending direction, it is called reverse rotation, and otherwise called forward rotation.
  • FIG. 8 is a cross section obtained by cutting the internal barrel along a vertical plane of the center line of the internal barrel, as shown in the figure, due to the tendency that the water stirring blade 2 gradually rises along a radial direction, the clothing moves outwardly and upwardly along the radial direction, and after arriving at the internal barrel wall 12, the clothing is affected by an opposite acting force of the internal barrel wall 12 and begins to move inwardly and downwardly.
  • FIG. 9 and FIG. 10 are expanded views of a cross section of the internal barrel cut along a cylindrical surface coaxial with the internal barrel 1, as shown in FIG. 9 , during forward rotation, due to the tendency that the water stirring blade 2 gradually rises along a circumferential direction, the clothing is gradually pulled up along the circumferential direction, and as the water stirring blade 2 rapidly falls after rising to the highest point along the circumferential direction, the clothing is pulled up and then falls, during pull-up, the clothing rubs with the internal barrel, and during falling, the clothing is beaten, to have a washing effect on the clothing.
  • the clothing moves downwardly along the first slope rising side of the water stirring blade 2, and after arriving at the second slope falling side, the clothing hits the second slope falling side to be stricken, which has a washing effect on the clothing with rubbing between the clothing and the internal barrel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (18)

  1. Structure intégrée d'un cylindre interne et d'un agitateur, la structure comprenant un cylindre interne (1) qui est utilisé verticalement et des lames de brassage d'eau (2) sur un fond de cylindre interne (11), les lames de brassage d'eau (2) et le fond de cylindre interne (11) étant agencés d'un seul tenant ; et les lames de brassage d'eau (2) étant d'une structure de projection agencée sur le fond de cylindre interne (11), le nombre de lames de brassage d'eau (2) étant au moins deux, chaque lame de brassage d'eau (2) s'étendant vers une paroi de cylindre interne (12) à partir du centre du fond de cylindre interne (11), et chaque lame de brassage d'eau (2) se dressant et s'étendant dans une direction radiale vers l'extérieur du fond de cylindre interne (11) vers le point le plus élevé, puis étant reliée à la paroi de cylindre interne (12), et se dressant et s'étendant sous la forme d'une première pente dans une direction périphérique d'un côté vers le point le plus élevé, et ensuite descendant sous la forme d'une deuxième pente vers le fond de cylindre interne (11), et un degré de la première pente étant supérieur à celui de la deuxième pente.
  2. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 1, caractérisée en ce que : le nombre de lames de brassage d'eau (2) est 2-4, les lames de brassage d'eau (2) sont distribuées autour d'un axe du cylindre interne radialement le long de la circonférence du fond de cylindre interne (11), dans le sens des aiguilles d'une montre ou dans le sens contraire, lorsque le nombre de lames de brassage d'eau (2) est deux, les deux lames de brassage d'eau (2) sont distribuées de façon centrosymétrique, lorsque le nombre des lames de brassage d'eau (2) est supérieur ou égal à trois, des angles entre deux lames de brassage d'eau (2) adjacentes quelconques sont égaux, et les lames de brassage d'eau (2) se dressent et s'étendent le long de la circonférence du fond de cylindre interne (11) dans le sens des aiguilles d'une montre ou dans le sens contraire, dans la même direction.
  3. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 2, caractérisée en ce que : un premier côté montant en pente (21) de la lame de brassage d'eau (2) s'éléve, le premier côté montant en pente (21) forme une surface courbe consécutive, un deuxième côté tombant en pente (22) de la lame de brassage d'eau (2) descend, le deuxième côté tombant en pente (21) forme une surface courbe consécutive, le fond de cylindre interne (11) passe avec le premier côté montant en pente (21) et le deuxième côté tombant en pente (22) par des surfaces courbes, la lame de brassage d'eau (2) passe du bas vers le haut à l'extérieur le long d'une direction radiale du fond de cylindre interne (11), une largeur entre deux côtés dans une direction s'étendant du bas vers le haut augmente graduellement.
  4. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 3, caractérisée en ce que : les points les plus élevés de la lame de brassage d'eau (2) forment une crête (23) de la lame de brassage d'eau (2) dans des positions radiales différentes du fond de cylindre interne (11), la crête (23) est faite de deux arcs, les centres de cercle des deux arcs sont distribués sur des côtés différents de la crête (23), le cercle central de l'arc proche du centre du cylindre interne (1) est sur le premier côté montant en pente (21), et le centre de cercle de l'arc proche de la paroi de cylindre interne (12) est sur le deuxième côté montant en pente (22).
  5. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 4, caractérisée en ce que : la lame de brassage d'eau (2) est inclinée de deux côtés en tout point de la crête (23) à des degrés différents, et un degré d'inclinaison du premier côté montant en pente (21) est inférieur à celui du deuxième côté tombant en pente (22).
  6. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 5, caractérisée en ce que : une ligne d'intersection entre la lame de brassage d'eau (2) et le fond de cylindre interne (11) est un arc, des directions de courbure d'une ligne d'intersection entre le premier côté montant en pente (21) et le fond de cylindre interne (11) et une ligne d'intersection entre le deuxième côté montant en pente (22) et le fond de cylindre interne (11) sont les mêmes, et un angle entre chaque ligne d'intersection et la circonférence la plus extérieure du fond de cylindre interne (11) n'est pas 90 degrés.
  7. Structure intégrée d'un cylindre interne et d'un agitateur selon l'une quelconque des revendications 1-6, caractérisée en ce que : une plage de rapports entre la hauteur du cylindre interne (1) et le diamètre du cylindre interne (1) est 0,4-2, la hauteur du cylindre interne (1) est de préférence inférieure ou égale au diamètre du cylindre interne (1).
  8. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 7, caractérisée en ce que : un rapport entre la hauteur du cylindre interne (1) et le diamètre du cylindre interne (1) est 0,6.
  9. Structure intégrée d'un cylindre interne et d'un agitateur selon la revendication 8, caractérisée en ce que : la position centrale du fond de cylindre interne (11) est fournie avec un trou d'essieu (4) qui permet à un arbre de commande de pénétrer, et des orifices d'évacuation d'eau multiples étant distribués sur la paroi de cylindre interne (12) et/ou le fond de cylindre interne (11) du cylindre interne.
  10. Machine à laver ayant la structure intégrée d'un cylindre interne et d'un agitateur selon l'une quelconque des revendications 1-9, caractérisée en ce que : la machine à laver comprend un cylindre externe (6), le cylindre externe (6) de la machine à laver étant fourni de façon coaxiale avec la structure intégrée d'un cylindre interne et d'un agitateur, et un arbre de commande (7) de la machine à laver s'étend dans le trou d'essieu (4) dans la position centrale du fond de cylindre interne (11) dans la structure intégrée d'un cylindre interne et d'un agitateur.
  11. Procédé de lavage, le procédé tournant du linge dans un cylindre interne en contrôlant une structure intégrée d'un cylindre interne et d'un agitateur pour tourner dans le sens avant et dans le sens arrière à certains intervalles, pour exécuter le lavage, caractérisé en ce que, dans le procédé, la structure intégrée d'un cylindre interne et d'un agitateur tourne dans le sens avant et dans le sens arrière à des angles différents à chaque fois, l'angle de rotation vers l'avant à chaque fois n'est pas égal à l'angle de rotation arrière à chaque fois, au moyen de la structure intégrée d'un cylindre interne et d'un agitateur ; la structure intégrée d'un cylindre interne et d'un agitateur, la structure comprenant un cylindre interne qui est utilisé verticalement et des lames de brassage d'eau sur un fond de cylindre interne, les lames de brassage d'eau et le fond de cylindre interne étant agencés d'un seul tenant ; et les lames de brassage d'eau étant d'une structure de projection agencée sur le fond de cylindre interne, le nombre de lames de brassage d'eau étant au moins deux, chaque lame de brassage d'eau s'étendant vers une paroi de cylindre interne du centre du fond de cylindre interne, et chaque lame de brassage d'eau se dressant et s'étendant dans une direction radiale vers l'extérieur du fond du cylindre interne vers le point le plus élevé, puis étant reliée à la paroi de cylindre interne, et se dressant et s'étendant sous la forme d'une première pente dans une direction périphérique d'un côté vers le point le plus élevé, et ensuite descendant sous la forme d'une deuxième pente vers le fond de cylindre interne, et un degré de la première pente étant supérieur à celui de la deuxième pente.
  12. Procédé de lavage selon la revendication 11, caractérisé en ce que : la chute et le battage du linge après traction lors de la rotation avant dans la direction circonférentielle ou le choc lors de la rotation arrière et la rotation dans la direction radiale sont exécutés en même temps, afin de maintenir le linge dans un état de roulement continu dans le cylindre interne et de heurter et frotter le fond de cylindre interne et la paroi de cylindre interne, pour être lavé de façon homogène.
  13. Procédé de lavage selon la revendication 12, caractérisé en ce que : les mouvements du linge dans la direction circonférentielle et dans la direction radiale sont guidés par une structure de projection du fond de cylindre interne.
  14. Procédé de lavage selon la revendication 13, caractérisé en ce que : le nombre de structures de projection est d'au moins deux, de préférence 2-4, les structures de projection sont distribuées de façon égale autour d'un axe du cylindre interne radialement le long de la circonférence du fond de cylindre interne, dans le sens des aiguilles d'une montre ou dans le sens contraire, et montent et s'étendent le long de la circonférence du fond de cylindre interne dans le sens des aiguilles d'une montre ou dans le sens contraire, dans la même direction, et les structures de projection montent et s'étendent le long d'une direction radiale vers l'extérieur du fond de cylindre interne, après s'être étendues jusqu'au point le plus haut, sont reliées à la paroi de cylindre interne, et retombent vers le fond de cylindre interne sous la forme d'une deuxième pente, après être montées et s'être étendues jusqu'au point le plus haut le long de la direction circonférentielle d'un côté sous la forme d'une première pente.
  15. Procédé de lavage selon la revendication 14, caractérisé en ce que : dans le procédé de lavage, dans la direction circonférentielle, pendant la rotation avant, le linge, après être monté au point le plus haut le long d'un plan de montée et d'extension de la structure de projection, tombe et bat le long d'un deuxième plan en pente subvertical, et pendant la rotation arrière, le linge heurte le deuxième plan en pente subvertical.
  16. Procédé de lavage selon l'une quelconque des revendications 11 à 15, caractérisé en ce que : dans le procédé de lavage, dans un processus de lavage ou de rinçage, le cylindre interne augmente sa vitesse avec une certaine accélération pour atteindre la vitesse de rotation avant X, tourne dans le sens avant pendant un certain temps T1, s'arrête pendant un intervalle de temps, puis augmente sa vitesse avec une certaine accélération pour atteindre la vitesse de rotation inverse Y, et tourne dans le sens arrière pendant un certain temps T2, un angle de rotation avant, à chaque fois, n'étant pas égal à un angle de rotation arrière, et le processus étant répété 5-500 fois pour chaque lavage ou rinçage.
  17. Procédé de lavage selon la revendication 15, caractérisé en ce que : la vitesse de rotation avant X et la vitesse de rotation arrière Y sont de respectivement 20-100 tr/menu, le temps de rotation avant T1 et le temps de rotation arrière T2 étant respectivement de 1-5 s, et X x T1 ≠ Y x T2.
  18. Procédé de lavage selon la revendication 17, caractérisé en ce que : le procédé de lavage comprend les étapes suivantes :
    1) placer un détergent avec le linge dans le cylindre interne et démarrer la machine à laver :
    2) contrôler le cylindre interne pour qu'il augmente sa vitesse avec une certaine accélération pour atteindre la vitesse de rotation avant X, tourne dans le sens avant pendant un certain temps T1, s'arrête pendant un intervalle de temps, puis augmente sa vitesse avec une certaine accélération pour atteindre la vitesse de rotation inverse Y, et tourne dans le sens arrière pendant un certain temps T2, un angle de rotation avant, à chaque fois, n'étant pas égal à un angle de rotation arrière, et le processus étant répété 5-500 fois ;
    3) procéder à une étape d'égouttage : contrôler le cylindre interne pour qu'il tourne vers l'avant et vers l'arrière, et, après répartition égale du linge, pour que le cylindre interne tourne à vitesse élevée pour égouttage ;
    4) s'il est nécessaire que le linge soit lavé plusieurs fois, ajouter le détergent de nouveau pour répéter les étapes 2) et 3) ; et
    5) contrôler l'injection d'eau de la machine à laver, et répéter les étapes 2) et 3) 1-8 fois.
EP13882099.8A 2013-04-17 2013-12-20 Structure intégrée de cylindre interne et d'agitateur, machine à laver et procédé de lavage Not-in-force EP2987901B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310132537.9A CN104109962B (zh) 2013-04-17 2013-04-17 一种洗涤方法及使用该方法的洗衣机
CN201310134110.2A CN104109964A (zh) 2013-04-17 2013-04-17 一种内桶波轮一体结构及洗衣机
PCT/CN2013/090110 WO2014169679A1 (fr) 2013-04-17 2013-12-20 Structure integree de cylindre interne et d'agitateur, machine a laver et procede de lavage

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EP2987901A1 EP2987901A1 (fr) 2016-02-24
EP2987901A4 EP2987901A4 (fr) 2016-12-21
EP2987901B1 true EP2987901B1 (fr) 2018-11-07

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US (1) US20160040344A1 (fr)
EP (1) EP2987901B1 (fr)
JP (1) JP2016518907A (fr)
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WO (1) WO2014169679A1 (fr)

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KR102253314B1 (ko) * 2014-02-19 2021-05-17 엘지전자 주식회사 세탁방법
JP2016185263A (ja) * 2015-03-27 2016-10-27 シャープ株式会社 撹拌翼およびそれを用いた撹拌装置、洗濯機
CN106757992A (zh) * 2015-11-19 2017-05-31 青岛海尔洗衣机有限公司 一种洗衣机内桶及洗衣机
KR102482654B1 (ko) * 2016-01-05 2022-12-29 엘지전자 주식회사 의류처리장치
CN108103730B (zh) * 2018-01-15 2022-12-27 青岛海尔洗衣机有限公司 一种双动力洗衣机
CN111139618A (zh) * 2018-11-05 2020-05-12 青岛海尔洗衣机有限公司 一种洗衣机
CN111206374B (zh) * 2018-11-21 2023-03-28 青岛海尔洗衣机有限公司 一种洗衣机及控制方法
CN112210944B (zh) * 2019-06-24 2023-12-19 佛山市顺德海尔电器有限公司 一种洗衣机内桶、具有该内桶的洗衣机及其控制方法
CN112609398B (zh) * 2019-09-18 2024-01-05 青岛海尔洗衣机有限公司 一种洗涤设备的控制方法及洗涤设备
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KR20150143712A (ko) 2015-12-23
EP2987901A4 (fr) 2016-12-21
WO2014169679A1 (fr) 2014-10-23
US20160040344A1 (en) 2016-02-11
EP2987901A1 (fr) 2016-02-24
KR101959983B1 (ko) 2019-03-19
JP2016518907A (ja) 2016-06-30

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