WO2012083661A1 - 匀动力洗衣机及其洗涤方式 - Google Patents

匀动力洗衣机及其洗涤方式 Download PDF

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Publication number
WO2012083661A1
WO2012083661A1 PCT/CN2011/076219 CN2011076219W WO2012083661A1 WO 2012083661 A1 WO2012083661 A1 WO 2012083661A1 CN 2011076219 W CN2011076219 W CN 2011076219W WO 2012083661 A1 WO2012083661 A1 WO 2012083661A1
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WO
WIPO (PCT)
Prior art keywords
pulsator
clothes
washing
laundry
load
Prior art date
Application number
PCT/CN2011/076219
Other languages
English (en)
French (fr)
Inventor
舒海
吕佩师
许升
杨林
程宝珍
高秋英
Original Assignee
海尔集团公司
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 海尔集团公司, 青岛海尔洗衣机有限公司 filed Critical 海尔集团公司
Priority to KR1020137019341A priority Critical patent/KR101555769B1/ko
Priority to US13/996,550 priority patent/US9394641B2/en
Priority to JP2013545017A priority patent/JP5720970B2/ja
Publication of WO2012083661A1 publication Critical patent/WO2012083661A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • 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 
    • D06F23/04—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 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a washing machine, and more particularly to a uniform power washing machine that changes the manner in which the laundry is washed and inverted, and a washing method thereof.
  • the washing method of the pulsator washing machine is to sway the movement of the washing by a special water flow formed by the pulsator rotation or the simultaneous rotation of the pulsator and the inner barrel, and exerts a force on the pulsating process to make it pass the self friction and the wave.
  • the wheel and the inner barrel wall are rubbed repeatedly to achieve the purpose of washing.
  • the pulsator in the washing machine is ever-changing in shape, such as a dish-shaped pulsator, a rod-shaped pulsator, a bowl-shaped pulsator, etc., but regardless of the shape of the pulsator, the ultimate goal is to improve cleaning.
  • the existing pulsator washing machine has large washing water consumption, long washing time, a large amount of washing detergent, and the clothes are easily entangled and knotted, resulting in uneven washing and deformation; or the washing material is rotated by the inner tub to generate a water flow impact force by centrifugal force.
  • the washing is carried out, usually the washing is a process of completing the washing as a whole.
  • the water flow also has the effect of scouring, it is not sufficient to loosen the laundry, but to form a mass of the laundry and entangle the whole.
  • the water flow by the centrifugal force drives the laundry to move in one direction at a high speed, but eventually the laundry is entangled, so that the laundry is The tearing is damaged, especially for high-grade clothes, which is more likely to be damaged; and, in the washing process, the action of the water flow alone, the movement form is single and fixed, the washing property in the inner tub is low, and more washing is required. The washing effect on the entire laundry is completed.
  • the pulsator rotates or oscillates to form an annular flow of water. Since the movement of the laundry in the washing tub depends on fluid motion or fluid dynamics, it is also necessary to achieve the desired annular flip mode.
  • the automatic washing machine having the bottom pulsator is filled with the washing liquid, wherein the washing liquid added to the washing tub must be high enough to completely immerse the fabric loaded into the washing drum, which requires a large amount of water to be consumed, and The amount of water is large. In order to achieve a sufficient detergent concentration, it is necessary to increase the amount of detergent, and the washing cost is high, which also causes certain pollution to water resources.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a uniform power washing machine that drives clothes to be turned in a uniform manner to reduce entanglement and to improve laundry washing ratio and uniformity.
  • Another object of the present invention is to provide a washing method for the uniform power washing machine.
  • a uniform power washing machine comprising an outer tub containing water, an inner tub placed in the outer tub, a rotatable pulsator, and a control inner bucket and a pulsator Rotating drive device;
  • the pulsator is a disc-shaped structure with a low edge and gradually bulging toward the center.
  • the pulsator is provided with a protrusion capable of guiding the laundry to move toward the center, so that the laundry rises along the ridge at the center of the pulsator, and the protrusion is centered by the pulsator.
  • the outer edge is in the form of a cascade, and the two adjacent steps become lower in a curved tangential transition, and the width of the protrusion changes from the center to the outer edge and from the upper surface to the bottom of the protrusion;
  • the inner wall of the inner tub is provided with a plurality of annular inward pressing shapes to increase the frictional area when the laundry falls along the peripheral wall of the inner cylinder, and an annular uniform outward flanging is provided between the two annular pressing shapes.
  • the inner barrel bottom intersects the peripheral wall uniformly distributed with a plurality of bumps for changing the movement track of the laundry; the inner tub and the pulsator of the washing machine satisfy: the amount of water added by the washing machine during washing washes the clothes, and the clothes can not be detached from the pulsator Surface contact, the increase in the mixing height of the laundry and water required for each 1 kg load increase of the washing machine is satisfied: ( n D 2 h-4Vi ) I (K n D 2 ), so that the clothing does not completely float in contact with the pulsator
  • D is the inner barrel diameter
  • h is the pulsator height
  • K is the optimal load for placing the garment between the pulsator and the inner barrel within the range of the pulsator height
  • the pressing structure of the inner tub increases the friction area, and also reduces the time for the laundry to fall downward, relatively increasing the path of the cycle turning, so that the clothes have time to loose, and the possibility of the accumulation of the laundry on the peripheral wall of the bottom of the barrel is reduced. , to avoid entanglement, better to achieve a complete flip of clothing.
  • the contour formed on the surface of the pulsator on both sides of the protrusion is a radially extending "eight" shape structure formed by a plurality of continuous tangent arc curves, and the sides of the protrusion are slopes smoothly transitioning with the surface of the pulsator, slopes and waves
  • the angle of inclination between the wheel surfaces is 90° 120°
  • the angle of inclination of a slope of 1/4 2/3 from the center of the pulsator is 110° 120°.
  • the height of the protrusion is 1/10 of the diameter of the pulsator. -1/9, the protrusion occupies 1/5-1/2 of the total area of the pulsator.
  • a plurality of through holes are provided on the surface of the pulsator between the two protrusions, and are uniformly distributed in the radial direction and the circumferential direction, the through hole 5 ⁇ 5. 5-2. 5.
  • the length of the hole is 1. 5-2. 5.
  • the through hole is arranged to better increase the static friction between the clothing and the pulsator surface and change the clothing and water Explain the force between the books.
  • the pulsator structure of the invention better makes the clothes under the impact of the water flow formed by the rotation of the pulsator, the frictional force of the protrusion itself, the urging force and the centrifugal force generated by the pulsator in the rotation of the pulsator act together to move toward the center of the pulsator;
  • the clothing also has the turning speed with the pulsator rotation.
  • the centripetal force can be generated.
  • the bumps are evenly arranged with 8-12 pieces, which can make the clothes better to obtain the centripetal force. It can also reduce the angular velocity of the clothing swing.
  • the dewatering holes are round holes having a diameter of 1 mm to 5 mm or long holes having a width of 1 - 3 and an aspect ratio of 2-3.
  • the ratio of the diameter of the pulsator to the diameter of the inner bottom of the barrel is 0. 6-0. 8.
  • the speed of rotation with the pulsator is slowed down, and at the same time, the cushion of the falling of the laundry and the entering pulsator are increased, so that the laundry is turned over.
  • the cycle can be continuous.
  • the pulsator is fixed on the pulsator shaft, and the other end of the pulsator shaft passes through the inner tub, and the pontoon is connected with the driving device.
  • the pulsator shaft is provided with a clutch outer tooth, and the pontoon is provided.
  • the clutch internal tooth corresponding to the clutch external tooth, the pontoon drives the detachment of the floating outer gear and the clutch inner tooth of the inner bucket, forming a relative movement of the inner bucket and the pulsator shaft, and the gravity falls on the clutch outer gear and the clutch inner tooth after the drainage
  • the process realizes even distribution of the clothes, and finally drives the pulsator and the inner tub to rotate and dewater at a high speed.
  • the pontoon is a hollow annular structure formed by a plurality of plastic parts, the annular structure is composed of inner and outer rings, and the inner and outer rings are connected by radial ribs, and a fan-shaped cavity is formed between the ribs and the ribs;
  • the inner ring forms a ridge shape with a low center around the center, and the clutch inner teeth are disposed at the top end of the inner ring.
  • the washing method of the uniform power washing machine is: in the washing process, the laundry is subjected to the centrifugal force of the pulsator, the force of the clothes and the pulsator, the force of the clothes and the water, the buoyancy of the water to the clothes, the gravity of the clothes, and the interaction between the clothes and the clothes.
  • the effect of the resultant force of the force while the pulsator rotates, the clothes move toward the center of the pulsator to reach the apex, and then roll outwards in a layered manner and fall down the inner barrel wall to the inner barrel bottom, specifically during the clothing flipping process.
  • the clothing With the oscillating motion of the pulsator, the clothing is evenly dithered from the center to the secondary outer ring at a certain frequency, and then the outer outer ring is uniformly shaken to the outer ring again, and the layer is evenly shaken and flipped, and then flipped to the inner barrel wall and slide along the inner barrel wall.
  • the washing machine changes the water level, the rotation speed and the washing time according to the change of the laundry load to make the laundry repeat the cycle turning action to complete the washing.
  • the laundry of the invention is uniformly flipped from the center to the outer ring layer by layer, wherein uniformity means uniform distribution, including uniform distribution when the clothes are turned during the washing process, specifically, the rotation of the clothes with the pulsator and the rotation of the clothes with the water flow During the process, the camera is flipped at a certain frequency, and the jitter flip includes the looseness between the clothes and the clothes, the flipping of the unwinding and the turning of the clothes themselves; the frequency of the shaking and the pause time between the motor speed, the forward and reverse time, and the forward and reverse rotation related.
  • the clothing turnover frequency is: When the clothing is below 60% of the rated load, the turning time is less than lmin, which is greater than the rated Note that 60% of the book load is less than full load, flip time is lmin-3min, and when full load, flip time is 1 ⁇ 2in - 5min. According to the change of low, medium and heavy load of the clothes, the target speed, acceleration time and uniform speed of the pulsator rotation are correspondingly increased by a small amount so that the resultant force of the clothes toward the center of the pulsator is greater than the force of the pulsator, during the rotation.
  • the stop time is constant to keep continuously flipping, the target speed increases by 10-20 rpm, the acceleration time increases by 0 ms -10ms, and the uniform speed increases by 0 ms -100ms.
  • the swinging angle of the pulsator is 150° ⁇ 300° during washing, and the swinging angle of the pulsator is changed according to the load of the laundry so that the direction of the force of the clothes respectively corresponds to the direction of the movement of the trajectory; specifically, the oscillating angle of the pulsator is 150° -200° ⁇ ' When the medium load is loaded, the oscillating angle of the pulsator is 200° -250°; when the heavy load is applied, the oscillating angle of the pulsator is 250° -300°.
  • the washing method of the present invention does not require a high water level, as long as the washing water can wet the laundry, and high-efficiency washing can be realized even if there is not enough water to float the laundry.
  • the added water amount is satisfied according to the laundry load. : Higher than the center height of the washing machine pulsator 80inm-300mm.
  • the amount of water added is satisfied according to the load of the laundry: the amount of water added when the load is low is more than 80mm-150mm of the center of the washing machine, and the amount of water added when the medium is loaded is more than 150mm-220mm of the center of the washing machine, which is added when heavy load is applied.
  • the water volume is more than 220iTM-300mm from the center of the washing machine.
  • the ratio of the water level to the inner barrel diameter is 0. 2 ⁇ 0. 4, the rotation speed is 60-100 rpm, the washing time is 8min ⁇ 12 min, the clothing turnover time is 30s ⁇ lmin; The ratio of the height to the inner barrel diameter is 0. 3 ⁇ 0. 7, the rotation speed is 70-120 rev / min, the washing time is 9 min ⁇ 15 min, the clothing turnover time is lmin ⁇ 2 min ; the water level height and the inner barrel diameter when the laundry is heavily loaded The ratio is 0. 5 ⁇ 0. 9, the rotation speed is 80-140 rpm, the washing time is 10 min ⁇ 25 min, and the clothing turnover time is 2 min ⁇ 5 min.
  • the weight of the laundry of the washing machine of the present invention is 0kg ⁇ 2kg, the weight of the medium load laundry is 3kg ⁇ 5kg, and the weight of the heavy load laundry is 6kg ⁇ 8kg.
  • the movement form is no longer single by the action of the pulsator on the clothes, and the clothes from the outside of the pulsator arrive at the apex of the center of the pulsator after the pulsator, because the clothes rise relatively high, in gravity , the centrifugal force and the surrounding clothes are turned outwards to the bottom of the innermost barrel; the ratio of the diameter of the pulsator to the diameter of the inner barrel is 0. 6-0. 8 in order to make the clothes fall in the bottom of the inner barrel, slow down the speed of rotation with the pulsator , at the same time increase the cushioning of the clothing landing and entering the pulsator, 5 ⁇ 8.
  • the washing ratio of the washing machine is generally 0.
  • FIG. 1 is a schematic cross-sectional view showing the structure of an inner tub and a pulsator of the washing machine of the present invention
  • FIG. 2 is a schematic view showing the reversed trajectory of the washing laundry of the washing machine of the present invention
  • FIG. 3 is a schematic view showing the state of the washing and washing of the washing machine of the present invention
  • FIG. 4 is a schematic view of the structure of the inner circumference of the inner barrel of the present invention
  • FIG. 5 is a schematic view of the inner wall of the inner barrel of the present invention
  • Figure 7 is a schematic view of the protrusion structure of the present invention.
  • FIG. 8 is a schematic view showing the relationship between the load of the laundry and the water level in the washing machine of the present invention
  • FIG. 9 is a schematic view showing the force applied to the outside of the pulsator at the bottom of the inner tub according to the washing mode of the present invention
  • Figure 10 is a schematic view showing the force applied by the washing mode garment in the region between the two protrusions according to the present invention
  • Figure 11 is a schematic view showing the force of the washing mode garment according to the present invention as it moves upward toward the center of the pulsator
  • FIG. 13 is a schematic view showing the force applied when the washing mode of the washing machine moves toward the top end of the pulsator center according to the protrusion
  • FIG. 13 is a schematic view showing the force of the washing mode of the washing machine of the present invention as it moves downward along the bottom chamfer of the inner tub.
  • the washing machine of the present invention comprises an outer tub containing water, an inner tub provided with laundry in the outer tub 1, a rotatable pulsator 2, and a driving device for controlling rotation of the inner tub and the pulsator, as shown in Fig. 1, Fig. 2 and Fig. 4
  • the pulsator 2 is a disc-shaped structure having a low edge and gradually rising toward the center.
  • the pulsator 2 is provided with a protrusion 3 capable of guiding the laundry to move toward the center, and the laundry moves toward the center 4 of the pulsator.
  • the wheel center 4 rises along the ridge, rolls outwards in a layered manner and falls down the inner barrel wall to the inner tub bottom.
  • the protrusions 3 are radially radially outwardly distributed by the pulsator center 4, and the protrusions 3 are outwardly outward from the pulsator center 4.
  • the two adjacent steps become lower in a curved tangential transition, and finally intersect in a curved shape around the pulsator.
  • the distance L from the outer edge of the pulsator is 3mm-10mm (see Figure 7); the width of the protrusion varies from the center to the outer edge and from the upper surface to the bottom of the protrusion. 6-0. 8.
  • the ratio of the ratio of the diameter of the pulsator 2 to the diameter of the inner tub 1 is 0. 6-0.
  • the ratio of the diameter of the pulsator to the diameter of the inner barrel is 0.
  • 6-0. 8 is to make the clothes fall in the bottom area of the inner tub, slow down the speed of rotation with the pulsator, and increase the cushioning of the falling and entering the pulsator, so that the clothing is turned over.
  • the ratio of the diameter of the pulsator to the diameter of the inner barrel is preferably 0. 65-0. 75
  • protrusions 3 there are 3-6 protrusions 3 according to the present invention. As shown in Fig. 4, the width of the protrusion 3 is wider and wider from the center of the pulsator 4, and the shape of the protrusion on the outer edge is similar to that of the whale.
  • the height of the projection 3 at the center 4 of the pulsator is 1/10 - 1/9 of the diameter of the pulsator, and the projection 3 occupies 1/5 - 1/2 of the total area of the pulsator.
  • the contour formed on the surface of the pulsator on both sides of the ridge is a radially extending "eight"-shaped structure formed by tangentially cutting a plurality of arc curves, and the sides of the protrusion are slopes smoothly transitioning with the surface of the pulsator, the slope and the two
  • the angle of inclination between the surfaces of the pulsator between the two protrusions is 90° 120°, wherein the angle of inclination of a section of the 1/4-2/3 from the center of the pulsator is 110° 120°.
  • a plurality of through holes 6 are provided on the surface of the pulsator between the two protrusions so as to be evenly distributed in the radial direction and the circumferential direction to increase the static friction between the laundry and the pulsator surface and to change the force between the laundry and the water flow.
  • the through hole is a circular hole having a diameter of 3 mm to 5 mm, or the through hole is an oblong hole, the long hole has a width of 3 mm to 5 mm, and the aspect ratio is 1. 5-2.
  • the slopes on both sides of the protrusion are divided into an outer slope 31, an intermediate slope 32, and an inner slope 33 according to the distance from the center of the pulsator.
  • the inclination angle ⁇ ⁇ of the outer slope 31 and the inner slope 33 and the pulsator surface is 100° 110. °
  • the inclination angle ⁇ of the intermediate slope 32 and the pulsator surface is 120°
  • the above structure better enables the laundry to move under the impact of the water flow formed by the rotation of the pulsator, and the frictional force, the urging force of the protrusion itself and the centrifugal force generated by the pulsator in the rotation of the pulsator move downward toward the center of the pulsator.
  • the inner tub 1 is rolled from a stainless steel web, and a plurality of annular inward pressing patterns 7 are arranged on the inner wall of the inner tub to increase the friction area when the laundry falls, and the two annular pressing shapes 7
  • the thickness of the inner wall of the inner barrel is 0. 4 - 1
  • the depth of the molding is 1 - 5
  • the spacing of the two holes is 10 - 15mm.
  • the press-type structure also reduces the time for the laundry to fall down while increasing the friction area, reduces the possibility of the laundry accumulating on the peripheral wall of the bottom of the tub, and better realizes the complete turning of the laundry.
  • the bottom of the inner tub is provided with a groove 10 matching the pulsator, and the pulsator is installed in the groove 10, and the outer periphery of the groove is an annular region 11, and the bumps 5 are all distributed on the annular region.
  • the position of the inner bottom of the inner bucket intersects with the peripheral wall, the number is 3-12. Because the pulsator rotates, the clothing also has the turning speed with the pulsator rotation. In order to better reduce the swing of the clothes with the pulsator, the centripetal force can be generated.
  • the block is evenly arranged with 8-12 pieces, which can make the clothes better to obtain the centripetal force and reduce the angular velocity of the clothes swinging. As shown in FIG.
  • the inner bucket 1 of the present invention is provided with a pontoon 12 which is filled with water to make the inner bucket float.
  • the pulsator 2 is fixed on the pulsator shaft, and the other end of the pulsator shaft passes through the inner tub 1, the pontoon 12 and the driving device.
  • a pulsator shaft is provided with a clutch outer tooth
  • the pontoon 12 is provided with a clutch inner tooth 10 corresponding to the clutch outer tooth.
  • the pontoon 12 drives the inner bucket 1 to float off the clutch outer teeth and the clutch inner teeth to form the inner barrel and the pulsator shaft. Relative movement, after the drainage, the gravity falls on the clutch outer teeth and the clutch internal teeth meshing process to achieve even distribution of the clothes, and finally the driving pulsator and the inner barrel rotate together at a high speed to dehydrate.
  • the pontoon 12 is a hollow annular structure formed by a plurality of plastic members.
  • the annular structure is composed of inner and outer rings, and the inner and outer rings are connected by radial ribs, and a fan-shaped cavity is formed between the ribs and the ribs;
  • the inner ring forms a ridge shape with a low center around the center, and the clutch inner teeth are disposed at the top end of the inner ring.
  • the washing method of the hook power washing machine is: in the washing process, the laundry is subjected to the centrifugal force of the pulsator, the force of the clothes and the pulsator, the force of the clothes and the water, the buoyancy of the water to the clothes, the gravity of the clothes and The effect of the resultant force between the clothes and the clothes, while the pulsator rotates, the clothes move toward the center of the pulsator to reach the apex, and then roll outwards in a layered manner and fall down the inner barrel wall to the inner barrel bottom.
  • the clothes are oscillated with the pulsator, and the clothes are uniformly shaken from the center to the secondary outer ring at a certain frequency, and then the outer outer ring is evenly shaken and turned to the outer ring again, and the layers are uniformly shaken and flipped, and the wall is turned over to the inner wall of the barrel. After that, it slides along the inner barrel wall to the bottom of the barrel, and then is moved by the force to the center of the pulsator.
  • the washing machine changes the water level, the rotation speed and the washing time according to the change of the laundry load to make the laundry repeat the cycle turning operation to complete the washing.
  • the clothes move in the manner that the clothes move upward along the inertia, and after a short throw, the outer turning movement is performed under the action of the centrifugal force and the underlying clothes until reaching the inner tub.
  • the 1 week wall is away from the center of the pulsator, and then the clothes move to the bottom of the inner tub 1 under the combined action of the centripetal force generated by the rotation of the inner tub and the downward pulling force of the clothes under the lower layer.
  • the trajectory of the movement is shown in Fig. 2.
  • each part of the garment is subjected to force and movement, but the force is not large but the frequency is relatively high and relatively uniform.
  • the periodic action is performed, the wear force is small, and the effect of removing the dirt is good.
  • the above movement is the movement mode when the laundry load and the water consumption amount are optimal.
  • the above-mentioned laundry inversion washing is divided into front and rear half movement periods, and the first half movement period is: when the clothes are moved at the bottom of the inner tub 1 and away from the center of the pulsator, the clothes are under the impact of the water flow formed by the rotation of the pulsator 2, The frictional force of the protrusion 3 itself, the urging force, and the centrifugal force generated by the pulsator 2 during the rotation of the pulsator 2 move upward along the protrusion 3 to the top of the pulsator center 4 while the pulsator rotates.
  • the second half of the exercise period is: during the movement of the laundry to the top of the pulsator center 4, it is subjected to the upward thrust action and the impact of the water flow by the clothes to be moved upwards; when the clothes are moved to the top of the pulsator center 4 , which continues to move upward due to inertia, while being subjected to its own gravity and the pulling force given by the clothes that have fallen below Explain the torque generated by the book and the centrifugal force generated during the rotation of the pulsator. After the clothes are thrown for a short time, the clothes are turned outwards until they reach the bottom of the inner tub 1 away from the center of the pulsator.
  • ⁇ F combination ⁇ F friction + ⁇ F static friction + ⁇ F ice + ⁇ F clothing + G
  • ⁇ ⁇ ⁇ F friction + ⁇ F away + ⁇ F push + ⁇ F static friction + ⁇ F water + ⁇ F clothing + G + ⁇ F float
  • AFtile ⁇ is the friction given by the clothes with lower vertical height
  • AF is the centrifugal force formed by the pulsator 2 during the rotation process
  • AF ft is the thrust of the protrusion 3 on the clothes
  • the static pulsation 2 is given during the starting process.
  • the static friction of the clothes the water is the force of the water flow formed by the pulsator 2
  • the clothes are the torsion and resistance imparted by the clothes of higher vertical height
  • the G is the combined gravity of the clothes and the self of the vertical height.
  • the pulsator 2 is stopped and started again, and the static friction force from the pulsator 2 is continuously applied to the clothes to continuously move upward.
  • the force is as shown in FIG. 10, and the state is that the pulsator rotates clockwise. .
  • ⁇ F combination ⁇ F friction + ⁇ F static friction + ⁇ F water + ⁇ F clothing + G + ⁇ F from + ⁇ F push + ⁇ F wave wheel
  • ⁇ F «3 ⁇ 4 force is the friction from the surrounding clothes during the ascent
  • G is the combined gravity of the clothes and the clothes whose height is higher than the vertical height, and the upward weight given by the clothes below
  • AF « is the centrifugal force generated by the rotation of the pulsator
  • the wave ft leaf is the thrust given by the protrusion, and the action of these forces causes the clothes to move upward.
  • the force is shown in Fig. 11, which is the counterclockwise rotation of the pulsator.
  • the force is:
  • the friction force AF » 3 ⁇ 4 force is the friction force of the pulsator 2 to the clothes. Since the clothes are about to be detached from the pulsator 2, the friction is small, and the clothes are mainly subjected to the upward thrust AF 3 ⁇ 4 given by the underlying clothes, and the pulsator is rotated.
  • a complete motion trajectory of the garment can be obtained, as shown in Fig. 2.
  • the camera is flipped at a certain frequency, and the jitter flip includes the loosening between the clothes and the clothes, the turning of the detachment and the turning of the clothes themselves;
  • the frequency is related to the motor speed, the forward and reverse time, and the pause time between forward and reverse.
  • the certain frequency is:
  • the load of the laundry is less than 60% of the rated load, and the time of turning over is less than 1 minute, which is greater than 60% of the rated load is less than the full load, and the time of turning is lmin -3min, the full load, the time of the flip is 4min-5 Min.
  • the clothes are evenly distributed so that each time the clothes are turned, any position of the clothes can be rubbed with other clothes or the pulsator or the inner tub, thereby increasing the washing ratio.
  • the swing angle of the pulsator is 150° -200°; when the load is heavy, the oscillating angle of the pulsator is 200° -250°; when the load is heavy, the oscillating angle of the pulsator is 250° -300°.
  • different swing angles are set according to the change of the laundry load, so that the clothes are stacked in a layered manner and are outwardly turned by the center and the same circumference.
  • the target speed, acceleration time and uniform speed of the pulsator rotation are correspondingly increased by a small amount so that the resultant force of the clothes toward the center of the pulsator is greater than that of the wave.
  • the force of the wheel rotation, the stop time during the rotation is constant to keep continuously turning, the target speed increases by 10-20 rpm, the acceleration time increases by 0ms-10ms, and the uniform speed increases by 0ms-100ms.
  • the target speed of the pulsator when the load is low, the target speed of the pulsator is 60-100 rpm, the acceleration time is 100ms-350ms, and the uniform speed is 200ms-800m S; when the medium load is loaded, the target speed of the pulsator is 70-120 rev / Minute, the acceleration time is 110ms-350ms, the uniform speed is 300-800ms; the target speed of the pulsator is 80-140 rev/min when the heavy load is loaded, the acceleration time is 120ms-350ms, and the uniform speed is 400ms-800ms; It is 0 ms -1000ms. As shown in the table below The book shows:
  • the ratio of the water level to the inner barrel diameter is 0. 2 ⁇ 0. 4, the rotation speed is 60-100 rpm, the washing time is 8 min ⁇ 12 min, and the clothing turnover time is 30 s ⁇ lmin;
  • the ratio of the water level to the inner barrel diameter is 0. 3 ⁇ 0. 7, the rotation speed is 70-120 rpm, the washing time is 9min ⁇ 15 min, the clothing turnover time is lmin ⁇ 2min ; the water level height and the inner barrel diameter when heavy load clothes
  • the ratio is 0. 5 ⁇ 0. 9, the rotation speed is 80-140 rpm, the washing time is 10 min ⁇ 25 min, and the clothing turnover time is 2 min ⁇ 5 min.
  • the following table shows:
  • the washing method of the present invention does not require a high water level, as long as the washing water can wet the laundry, and high-efficiency washing can be realized even if there is not enough water to float the laundry.
  • the washing machine is increased by 1 kg according to the loading amount of the laundry.
  • the height difference between the clothing and water that needs to be increased by the load is: h ( n I ( ⁇ ⁇ ⁇ 2 ) to make clothes
  • D is the inner barrel diameter
  • h is the pulsator height
  • K is the optimal load for placing the clothes between the pulsator and the inner barrel within the range of the pulsator height. the amount.
  • the inner barrel and the pulsator of the washing machine have a diameter D of 472.
  • the height h of the pulsator is 98 mm
  • the volume N of the pulsator is 3020760 mm 3
  • the volume between the pulsator and the inner barrel is V 2
  • the amount of lk g is increased.
  • the volume of clothing and water required to load the laundry is V 3
  • the amount of lkg is increased.
  • the load height of the laundry and the water is required to be h 1 ;
  • V 2 /2 8418351
  • the cross water flow refers to the intensity of multiple water flows invoked during the same washing process.
  • the water flow intensity is shown in the following table:
  • the AI strength is set according to the program, such as denim, silk, etc., general washing, quick washing and other washing strength.
  • the driving device of the invention adopts a direct drive motor, a powerful torque outputted by a direct drive motor and a special motion track, and a hand washing water flow, which realizes no dead angle of washing and uniform washing without entanglement, and the washing ratio is greatly improved.
  • the laundry When the uniform power washing machine of the present invention washes the laundry, the laundry reaches the apex of the pulsator from the outside of the pulsator to the apex of the center of the pulsator because the clothing rises relatively high, and is turned outward to the bottom of the outermost barrel under the action of gravity, centrifugal force and surrounding clothes. ;
  • the ratio of the diameter of the pulsator to the diameter of the inner barrel is 0. 6-0. 8 in order to make the clothes fall in the bottom area of the inner tub, slow down the speed of rotation with the pulsator, and at the same time increase the cushioning of the falling and entering the pulsator, so that the clothing is turned over.
  • the inner barrel can be evenly distributed due to the change of the pulsator rotation speed during the floating process before the washing, and the inner bucket can be shaken by the frequency of the corresponding pulsator rotation speed due to the change of the laundry force during the washing process, so that the clothes are centered 7-
  • the washing ratio of the existing washing machine is generally 0. 7- 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 0. 8, the uniformity is up to 80 ° /.
  • the pulsator also has a certain force on the clothes, the dependence of the clothes on the water is reduced, and the amount of the detergent required to reach the same concentration of the washing solution is less, saving the water while saving the amount of the detergent, and reducing the amount of the detergent. Drainage pollution can save 30%-50% of water per wash.

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  • 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)

Description

说 明 书 匀动力洗衣机及其洗涤方式
技术领域
本发明涉及一种洗衣机， 尤其是一种改变衣物洗涤翻转方式的匀动力洗衣机及其洗涤 方式。
背景技术
目前， 波轮洗衣机的洗涤方式是通过波轮转动或者波轮和内桶同时转动形成的特殊水 流来翻动洗涤物运动， 并在翻动的过程中对其施加作用力， 使其通过自身摩擦、 与波轮和 内桶壁的摩檫， 反复进行洗涤达到洗净的目的。 波轮洗衣机中的波轮， 形状***， 如 碟形波轮、 棒式波轮、 碗式波轮等， 但不管波轮的形状如何改变， 其最终的目的无一例外 都是为了提高洗净度和降低衣物的缠绕， 而高洗净度和低缠绕率又相互矛盾， 往往是洗净 度提高了， 缠绕的厉害， 要不就是缠绕小了， 洗净度也小了。 现有波轮洗衣机， 洗涤耗水 量大， 洗涤时间长， 洗涤用洗涤剂量多， 衣物易缠绕打结， 造成洗涤不均匀， 易变形； 或 者， 洗涤物通过内桶旋转产生离心力形成的水流冲击力来进行洗涤， 通常洗涤物是作为一 个整体来完成洗涤的过程。 水流虽然也起到冲刷的效果， 但是不足把洗涤物松散开， 而是 使洗涤物形成一团， 整体缠绕在一起。 为了提高洗净度， 就需要洗漆时波轮转动角度大且转速快， 受离心力作用的水流带动 洗涤物高速的顺着一个方向运动， 但是最终会导致洗涤物缠绕在一起， 使洗涤物被撕拉受 到破坏， 尤其是高档衣物， 更容易受损； 并且， 洗涤过程中单靠水流的作用， 运动形式单 一、 固定， 洗涤物在内桶中的翻转效率低， 需要进行更多次的洗涤才能完成对整个洗涤物 的洗涤效果。 另外， 当此类洗衣机运转时， 波轮旋转或摆动， 形成环形的水流， 由于衣物在洗涤桶 内的移动取决于流体运动或流体动力， 因此， 为了实现所需的环形翻转模式， 同样必须要 使具有底部波轮的自动洗衣机充满洗涤液， 其中加入到洗涤桶中的洗涤液的高度必须要足 以完全浸没装入到洗涤滚筒中去的织物， 这样就会需要消耗大量的水， 另外， 由于水量大， 为了达到足够的洗涤剂浓度， 就必须加大洗涤剂量， 洗涤成本高， 对水资源也造成一定的 污染。
有鉴于此特提出本发明。 说 明 书 发明内容
本发明要解决的技术问题在于克服现有技术的不足， 提供一种驱动衣物以匀动方式翻 转以减少缠绕， 且提高衣物洗净比、 均匀度的匀动力洗衣机。 本发明的另一目的在于提供该匀动力洗衣机的洗涤方式。
为解决上述技术问题， 本发明采用技术方案的基本构思是： 一种匀动力洗衣机， 包括 盛水的外桶、 设于外桶内放置衣物的内桶、 可转动的波轮及控制内桶和波轮转动的驱动装 置；
所述的波轮为一个边沿低、 逐渐向中心***的圆盘状结构， 波轮上设有能够引导衣物 向中心移动的突起， 使得衣物在波轮中心沿***上升， 突起由波轮中心向外沿呈层叠梯次 状， 两相邻梯次间以弧形相切过渡的方式变低， 突起宽度从中心向外沿、 从突起上表面到 底部渐宽变化；
所述内桶的周壁上设有多圈环状向内的压型以增加衣物沿内筒周壁落下时的摩擦面 积， 两道环形压型之间设有环状均布向外的的翻边及脱水孔；
所述的内桶底与周壁相交处沿圆周均匀分布有多个改变衣物运动轨迹的凸块； 洗衣机内桶和波轮满足： 洗涤时洗衣机添加的水量浸湿衣物、 且衣物上浮不能脱离与 波轮上表面的接触， 洗衣机每增加 1kg量负载所需要增加的衣物与水混合高度差 ^满足： ( n D2h-4Vi ) I (K n D2), 以使得衣物与波轮接触不完全浮起， 其中， D 为内桶直径， h 为波轮高度， 为波轮体积， K为在波轮高度的范围内波轮与内桶之间放置衣物的最佳负载
该内桶的压型结构在增大摩擦面积的同时， 也减小了衣物向下掉落的时间， 相对增大 循环翻转的路径， 使得衣物有时间松散， 减少衣物在桶底周壁堆积的可能性， 避免缠绕， 更好的实现衣物的完整翻转。
所述突起两侧在波轮表面构成的轮廓为多段连续相切圆弧曲线构成的径向延伸的 "八" 字型结构，突起的两侧为与波轮表面平滑过渡的斜坡，斜坡与波轮表面之间的倾斜夹角为 90° 120° ， 在距波轮中心 1/4 2/3的一 斜坡的倾斜夹角为 110° 120° 所述突起的高度为波轮直径的 1/10-1/9, 突起占波轮总面积的 1/5-1/2 两两突起之间的波轮表面上设有多个通孔， 按照径向和圆周方向均匀分布， 所述的通 孔为圆孔， 圆孔直径为 3 5 或者， 所述的通孔为长圆孔， 长圆孔宽度为 3mm- 5mm, 长 宽比为 1. 5-2. 5。该通孔的设置为了更好地增加衣物与波轮表面的静摩擦力和改变衣物与水 说 明 书 流之间的作用力。
本发明波轮结构更好地使得衣物在波轮转动形成的水流冲击作用下， 突起本身的摩擦 力、 推动力和波轮转动中产生对衣物的离心力共同作用下向波轮中心移动； 由于波轮转动， 衣物同样有随波轮转动的周转速度， 为了更好的减少衣物随波轮的摆动又能产生向心力， 一般凸块均匀设有 8-12块， 既能使得衣物更好地获得向心力又能减少衣物摆动的角速度。
所述的脱水孔为直径在 1mm- 5mm之间的圆孔或宽度为 1 - 3 长宽比为 2-3的长圆孔。 波轮直径与内桶底的直径之比为 0. 6-0. 8， 为了使得衣物落下在内桶底区域，减缓随波 轮转动的速度， 同时增加衣物降落与进入波轮的缓冲， 使得衣物翻转周期能够连续。
所述的内桶下方设有加水后使得内桶上浮的浮筒， 波轮固定在波轮轴上， 波轮轴另一 端穿过内桶、 浮筒与驱动装置传动连接， 波轮轴上设有一离合外齿， 浮筒上设有与离合外 齿对应啮合的离合内齿， 浮筒带动内桶上浮离合外齿和离合内齿的脱离， 形成内桶与波轮 轴的相对运动， 排水后靠重力作用下落在离合外齿和离合内齿啮合过程实现衣物抖动均匀 分布， 最后驱动波轮和内桶一起高速转动脱水。 所述的浮筒是由多个塑料件形成的中空的环状结构， 该环状结构由内外两环组成， 内 外两环之间由放射状的筋相连， 筋与筋之间形成扇形的空腔； 内环形成中心高周围低的隆 起状， 离合内齿设于内环顶端。
所述匀动力洗衣机的洗涤方式为， 在洗衣过程中， 衣物受波轮离心力、 衣物与波轮作 用力、 衣物与水流作用力、 水对衣物的浮力、 衣物自身重力及衣物与衣物之间作用力的合 力的影响， 在随波轮转动的同时， 衣物向波轮中心移动向上到达顶点后， 以层层外翻的方 式向外周翻滚并沿内桶壁落下到内桶底， 具体为衣物翻转过程中随波轮的摆动， 衣物以一 定频率由中心均匀抖动翻转到次外圈， 再由次外圈均匀抖动翻转到再次外圈， 逐层均匀抖 动翻转， 一直翻转到内桶壁后， 沿内桶壁滑到桶底， 再受诸力影响向波轮中心移动， 洗衣 机根据衣物负载的变化， 对水位、 转速和洗涤时间作出相应变化以使得衣物重复循环翻转 动作完成洗涤。
本发明洗涤衣物由中心向外圈逐层均匀抖动翻转， 其中， 均匀是指分布均匀， 包括在 洗涤过程中衣物翻动时的均匀分布， 具体为， 在衣物随波轮转动过程及衣物随水流翻转过 程中， 以一定频率抖动翻转， 抖动翻转包括衣物与衣物之间松动、 脱离缠绕的翻转及衣物 自身抖散的翻转； 抖动的频率与电机转速、 正反转时间和正反转之间的停顿时间有关。
衣物翻转频率为： 衣物在额定负载的 60%以下时， 翻转一次时间小于 lmin， 大于额定 说 明 书 负载的 60%小于满载情况， 翻转一次时间为 lmin-3min， 满载情况时， 翻转一次时间为 ½in - 5min。 根据衣物低、 中、 重负载量的变化， 波轮转动的目标速度、 加速时间及匀速时间均相 应小幅度增加以使得衣物向波轮中心的合力大于随波轮转动的力， 转动过程中的停止时间 不变以保持持续翻转， 目标速度的增幅为 10-20转 /分钟， 加速时间的增幅为 0 ms -10ms， 匀速时间的增幅为 0 ms -100ms , 通过控制波轮目标转速、 加速时间及匀速时间使得衣物随 波轮转动的同时由中心向外均匀抖动传力， 逐层翻转， 至碰撞内桶壁后落下。
洗涤时波轮摆动角度为 150° 〜300° ，波轮摆动角度的大小根据衣物负载量变化以使 得衣物受力方向分别对应翻转轨迹运动的方向； 具体为， 低负载衣物时波轮摆动角度为 150° -200° ·' 中负载衣物时波轮摆动角度为 200° -250° ； 重负载衣物时波轮摆动角度为 250° -300° 。 本发明洗涤方式不需要高水位， 只要洗涤用水能把衣物浸湿， 即使没有足够的水把衣 物浮起时也可以实现高效率洗涤， 一般按照衣物投放的负载量， 添加的水量根据衣物负载 满足： 高于洗衣机波轮中心高度 80inm-300mm。 添加的水量根据衣物负载满足： 低负载衣物时添加的水量为超过洗衣机波轮中心高度 80mm-150mm, 中负载衣物时添加的水量为超过洗衣机波轮中心高度 150mm- 220mm，重负载衣 物时添加的水量为超过洗衣机波轮中心高度 220i™-300mm。
低负载衣物时水位高度与内桶直径之比为 0. 2〜0. 4， 转速为 60-100转 /分钟， 洗涤时 间为 8min〜12 min， 衣物翻转时间为 30s〜lmin; 中负载衣物时水位高度与内桶直径之比 为 0. 3〜0. 7， 转速为 70-120转 /分钟， 洗涤时间为 9min〜15 min, 衣物翻转时间为 lmin〜 2min; 重负载衣物时水位高度与内桶直径之比为 0. 5〜0. 9， 转速为 80-140转 /分钟， 洗涤 时间为 10min〜25min， 衣物翻转时间为 2min〜5min。
本发明所述洗衣机低负载衣物重量为 0kg〜2kg, 中负载衣物重量为 3kg〜5kg， 重负载 衣物重量为 6kg〜8kg。 采用上述技术方案后， 本发明与现有技术相比具有以下有益效果。
本发明所述的匀动力洗衣机洗涤衣物时， 通过波轮对衣物的作用， 运动形式不再单一， 衣物从波轮外部沿波轮到达波轮中心最顶点后， 由于衣物上升比较高， 在重力、 离心力和 周围衣物的作用下外翻到最***内桶底处； 波轮直径与内桶的直径之比为 0. 6-0. 8为了使 得衣物落下在内桶底区域， 减缓随波轮转动的速度， 同时增加衣物降落与进入波轮的缓冲， 说 明 书 使得衣物翻转周期能够连续； 衣物在内桶中运动时摩擦均匀， 使得衣物均匀度大于 95%， 洗 净比大于 0. 9， 现有洗衣机的洗净比一般为 0. 7-0. 8， 均匀度最高为 80%; 由于波轮对衣物 也有一定的作用力， 因此衣物对水的依赖性降低， 达到相同浓度的洗涤溶液需要的洗涤剂 用量较少， 节约用水的同时也相对节省了洗涤剂的用量， 减少了排水的污染， 每次洗涤大 概能节约 30%-50%的用水。 下面结合附图对本发明的具体实施方式作进一步详细的描述。 附图说明 图 1是本发明所述洗衣机内桶和波轮结构断面示意图；
图 2是本发明所述洗衣机洗涤衣物翻转轨迹示意图； 图 3是本发明所述洗衣机洗涤衣物匀动翻转状态示意图；
图 4是本发明所述波轮结构示意图； 图 5是本发明所述内桶周壁平铺示意图； 图 6是本发明所述内桶底结构示意图；
图 7是本发明所述突起结构示意图；
图 8是本发明所述洗衣机添加衣物负载和水位关系示意图； 图 9是本发明所述洗涤方式衣物在内桶底部波轮外面的受力示意图；
图 10是本发明所述洗涤方式衣物在两个突起之间区域时受力示意图； 图 11是本发明所述洗涤方式衣物顺着突起向波轮中心往上运动时受力示意图； 图 12是本发明所述洗涤方式衣物顺着突起向波轮中心最顶端运动时受力示意图； 图 13是本发明所述洗涤方式衣物顺着内桶底部倒角处往下运动时受力示意图。 具体实施方式
本发明所述的洗衣机包括盛水的外桶、 设于外桶内放置衣物的内桶 1、 可转动的波轮 2 及控制内桶和波轮转动的驱动装置，如图 1、图 2和图 4所示，所述的波轮 2为一个边沿低、 逐渐向中心***的圆盘状结构，波轮 2上设有能够引导衣物向中心移动的突起 3，衣物向波 轮中心 4移动， 在波轮中心 4沿***上升， 以层层外翻的方式向外周翻滚并沿内桶壁落下 到内桶底， 突起 3由波轮中心 4向外沿径向放射状分布， 突起 3由波轮中心 4向外沿呈层 叠梯次状， 两相邻梯次间以弧形相切过渡的方式变低， 最后以弧形相交于波轮的周围较低 说 明 书 处， 距波轮外边缘的距离 L为 3mm-10mm (参阅图 7 ); 突起宽度从中心向外沿、 从突起上表 面到底部渐宽变化。 内桶底周壁圆周均匀分布有多个能阻挡衣物随波轮完全转动从而改变 衣物移动方向的凸块 5， 波轮 2直径与内桶 1的直径之比为 0. 6-0. 8。 波轮直径与内桶的直 径之比为 0. 6-0. 8是为了使得衣物落下在内桶底区域， 减缓随波轮转动的速度， 同时增加 衣物降落与进入波轮的缓冲， 使得衣物翻转周期能够连续； 本发明波轮直径与内桶的直径 之比优选为 0. 65-0. 75
本发明所述的突起 3有 3-6个， 如图 4所示， 突起 3的宽度从波轮中心 4向外沿方向 越来越宽， 突起在外沿的形状类似鲸鱼的尾鳍。 突起 3在波轮中心 4的高度为波轮直径的 1/10-1/9，突起 3占波轮总面积的 1/5-1/2。所述突起两侧在波轮表面构成的轮廓为多段圆 弧曲线相切构成的在径向延伸的 "八"字型结构， 突起的两侧为与波轮表面平滑过渡的斜 坡，斜坡与两两突起之间波轮表面之间的倾斜夹角为 90° 120° ，其中距波轮中心 1/4-2/3 的一段斜坡的倾斜夹角为 110° 120° 。两两突起之间的波轮表面上设有多个通孔 6，按照 径向和圆周方向均匀分布以增加衣物与波轮表面的静摩擦力和改变衣物与水流之间的作用 力。 所述的通孔为圆孔， 圆孔直径为 3mm-5mm， 或， 所述的通孔为长圆孔， 长圆孔宽度为 3mm-5mm, 长宽比为 1. 5-2. 5
如图 7所示， 突起两侧斜坡根据距离波轮中心的远近分为外斜坡 31、 中间斜坡 32、 内 斜坡 33， 外斜坡 31和内斜坡 33与波轮表面倾斜角 β γ为 100° 110° ， 中间斜坡 32 与波轮表面倾斜角 Θ为 120°
上述结构更好地使得衣物在波轮转动形成的水流冲击作用下， 突起本身的摩擦力、推动 力和波轮转动中产生对衣物的离心力共同作用下向波轮中心移动。
如图 5所示， 所述的内桶 1 由不锈钢料片卷制而成， 内桶周壁上设有多圈环状向内的 压型 7以增加衣物落下时的摩擦面积， 两道环形压型 7之间设有环状均布向外的的翻边 8 及圆孔 9或长圆孔， 所述的内桶周壁厚度为 0. 4 - 1 压型深度为 1 - 5 两个孔的间 距为 10 -15mm。该压型结构在增大摩擦面积的同时， 也减小了衣物向下掉落的时间， 减少 衣物在桶底周壁堆积的可能性， 更好的实现衣物的完整翻转。
如图 6所示， 所述的内桶底部设有与波轮匹配的凹槽 10， 波轮安装于该凹槽 10内， 凹 槽***为环形区域 11， 凸块 5均勾分布于环形区域上， 内桶底与周壁相交的位置， 数量为 3-12个， 由于波轮转动， 衣物同样有随波轮转动的周转速度， 为了更好的减少衣物随波轮 的摆动又能产生向心力， 一般凸块均匀设有 8-12块， 既能使得衣物更好地获得向心力又能 减少衣物摆动的角速度。 说 明 书 如图 1所示， 本发明所述的内桶 1下方设有加水后使得内桶上浮的浮筒 12， 波轮 2固 定在波轮轴上， 波轮轴另一端穿过内桶 1、 浮筒 12与驱动装置传动连接， 波轮轴上设有一 离合外齿， 浮筒 12上设有与离合外齿对应啮合的离合内齿 10， 浮筒 12带动内桶 1上浮离 合外齿和离合内齿的脱离， 形成内桶与波轮轴的相对运动， 排水后靠重力作用下落在离合 外齿和离合内齿啮合过程实现衣物抖动均匀分布， 最后驱动波轮和内桶一起高速转动脱水。
上述的浮筒 12是由多个塑料件形成的中空的环状结构， 该环状结构由内外两环组成， 内外两环之间由放射状的筋相连， 筋与筋之间形成扇形的空腔； 内环形成中心高周围低的 ***状， 离合内齿设于内环顶端。
如图 2所示， 所述勾动力洗衣机的洗涤方式为， 在洗衣过程中， 衣物受波轮离心力、 衣物与波轮作用力、 衣物与水流作用力、 水对衣物的浮力、 衣物自身重力及衣物与衣物之 间作用力的合力的影响， 在随波轮转动的同时， 衣物向波轮中心移动向上到达顶点后， 以 层层外翻的方式向外周翻滚并沿内桶壁落下到内桶底， 具体为衣物翻转过程中随波轮的摆 动， 衣物以一定频率由中心均匀抖动翻转到次外圈， 再由次外圈均匀抖动翻转到再次外圈， 逐层均匀抖动翻转， 一直翻转到内桶壁后， 沿内桶壁滑到桶底， 再受诸力影响向波轮中心 移动， 洗衣机根据衣物负载的变化， 对水位、 转速和洗涤时间作出相应变化以使得衣物重 复循环翻转动作完成洗涤。
在本发明洗涤方法中， 当衣物运动到波轮中心 4顶部的时候， 衣物运动方式为， 衣物 沿着惯性向上运动，短暂上抛后在离心力和底层衣物的作用下做外翻转运动直至到达内桶 1 周壁远离波轮中心的位置， 然后衣物在内桶转动产生的向心力及在其下层的衣物向下的拉 力的共同作用下， 运动至内桶 1底部。 其运动轨迹如图 2所示， 在整个运动中， 衣物的每 个部位都进行受力和运动， 受力不大但是频率较高且比较均匀。 在洗涤过程中， 这样周期 性的进行作用， 磨损力小， 而对污垢的去除效果好， 上述运动是衣物负载量与用水量的大 小达到最佳的时候所呈现的运动方式。
具体地， 上述衣物翻转洗涤分为前、 后半个运动周期， 前半个运动周期为： 当衣物在 内桶 1底部并远离波轮中心运动时， 衣物在波轮 2转动形成的水流冲击作用下、 突起 3本 身的摩擦力、 推动力和波轮 2转动中产生对衣物的离心力共同作用下， 随波轮转动的同时 沿着突起 3向上运动至波轮中心 4的顶部。
后半个运动周期为： 在衣物运动到波轮中心 4顶部的过程中， 其受到下面将要向上运 动的衣物给予的向上的推力作用和水流的冲击作用； 在衣物运动到波轮中心 4顶部时， 其 由于惯性继续向上运动， 同时其受到自身的重力作用和下面已经落下的衣物给予的拉力和 说 明 书 扭力及波轮转动中产生的离心力， 衣物在短暂上抛后做向外翻转运动直至到达内桶 1底部 远离波轮中心的位置。
如图 9-13所示， 衣物在内桶底和波轮的不同位置处受力各不相同， 其具体分析如下。
A、 当衣物在内桶 1底部的波轮 2外面时， 衣物受能使衣物随着波轮运动的来自波轮 2 的静摩擦力 A F静 β»、 使衣物向上运动的来自于在波轮 2上面的衣物的作用力 A F衣物、 使 衣物有向内桶底部和内桶边沿运动趋势的来自被波轮 2搅拌的溢到波轮 2和内桶 1之间的 水流的作用力 A F 7i(、 阻止衣物运动趋势的来自衣物和内桶 1之间的摩擦力 A F » 力， 衣物 自身和垂直其上的衣物的合重力 G的作用力。浮力 A F ff在此处对衣物运动影响极小， 可以 忽略， 如图 9所示， 波轮顺时针转动， 衣物所受力为：
Δ F合 = Δ F摩擦力 + Δ F静摩擦 +Δ F氷 +Δ F衣物 + G 此时衣物的运动轨迹为， 衣物随波轮 2转动的同时沿着波轮 2向上运动。
Β、 当衣物在两个突起 3之间区域时， 其所受力为：
Δ Ρ = Δ F摩擦力 + Δ F离 + Δ F推 +Δ F静摩擦 +Δ F水 +Δ F衣物 + G + Δ F浮
A F„ ^为垂直高度较低的衣物给予的摩擦力， A F 为波轮 2在转动的过程形成的离 心力， A F ft为突起 3对衣物的推力， 静 ί 为波轮 2在启动的过程中给予衣物的静摩擦 力， 水为在波轮 2推动下形成的水流的作用力， 衣物为垂直高度较高的衣物给予的扭 力和阻力， G为垂直高度比其高的衣物和自身的合重力。洗涤过程中波轮 2在不停的停止又 启动， 来自波轮 2的静摩擦力不停的作用给衣物， 使其持续向上运动， 受力情况如图 10所 示， 该状态为波轮顺时针转动。
C、 当衣物顺着突起 3由外向中心往上运动时， 其受力为：
Δ F合 = Δ F摩擦力 + Δ F静摩擦 +Δ F水 +Δ F衣物 + G + Δ F离 + Δ F推 +Δ F波轮叶
Δ F «¾力为在上升过程中来自周围衣物的摩擦力， G为其自身和垂直高度比其高的并压 在其上的衣物的合重力，该过程中靠下面的衣物给予的向上的推力 推和波轮 2在启动过 中的静摩擦力 A F |» ， 水流的作用力 水， A F衣物为垂直高度较高的衣物给予的扭力和 阻力， A F «为随着波轮转动产生的离心力， 波 ft叶为突起给予的推力， 受这些力的作用 使衣物往上运动， 受力情况如图 11所示， 该状态为波轮逆时针转动。
D、 当衣物顺着突起 3向波轮中心 4最顶端运动时， 其受力为： 说 明 书 此处摩擦力 A F »¾力为波轮 2给衣物的摩擦力，由于衣物将要脱离波轮 2，摩擦力很小， 衣物主要受下面衣物给予的向上的推力 A F ¾物，随波轮转动产生的 A F 和突起给予的推力 A F , A F 7i为水流的冲击力， 衣物保持这个运动趋势， 直至脱离波轮 2; 当运动到最顶 端时衣物脱离波轮， 由于自身的重力作用， 衣物做短暂的类似抛物运动； 由于衣物之间彼 此的推力和拉力作用， 外圈衣物刚向外翻转还没有碰到内桶壁， 另一部分衣物由中心又受 力外翻， 推动该外圈继续向外， 以此类推， 最终形成由中心向外一圈一圈逐层抖动翻转； 最外圈在衣物的作用和随着波路转动产生的离心力作用下运动到远离波轮中心的内桶壁 处， 受力情况如图 12所示， 该状态为波轮逆时针转动。
E、 当衣物落下后， 其顺着内桶 1底部倒角处往下运动， 衣物受到垂直高度低于其的衣 物的拉力 A F fi、垂直高度高于其的衣物的压力 压和内桶转动过程中的向心力 A F向，此 处衣物受到斜向下的合力 A F 的作用， 直至内桶 1底部， 受力情况如图 13所示， 该状态 为波轮逆时针转动。
通过上述 A-E五个过程的描述， 可以得出衣物的一个完整的运动轨迹， 如图 2所示。 如图 3所示， 在衣物随波轮转动过程及衣物随水流翻转过程中， 以一定频率抖动翻转， 抖动翻转包括衣物与衣物之间松动、 脱离缠绕的翻转及衣物自身抖散的翻转； 抖动的频率 与电机转速、 正反转时间和正反转之间的停顿时间有关。 该一定频率为： 衣物负载在额定 负载的 60%以下， 翻转一次时间小于 1分钟， 大于额定负载的 60%小于满载情况， 翻转一次 时间为 lmin -3min， 满载情况， 翻转一次时间为 4min-5 min。 翻转的过程中， 衣物均匀分 布， 使得每次翻转， 衣物任一位置都能与其它衣物或波轮或内桶摩擦， 从而提高洗净比。
低负载衣物时波轮摆动角度为 150° -200° ；中负载衣物时波轮摆动角度为 200° -250° ； 重负载衣物时波轮摆动角度为 250° -300° 。按照上述根据衣物负载的变化设定不同的摆动 角度， 才能使得衣物呈层叠状由中心同圆周抖动向外翻转。
另外的一个可以增加的因素为， 根据衣物低、 中、 重负载量的变化， 波轮转动的目标 速度、 加速时间及匀速时间均相应小幅度增加以使得衣物向波轮中心的合力大于随波轮转 动的力， 转动过程中的停止时间不变以保持持续翻转， 目标速度的增幅为 10-20转 /分钟， 加速时间的增幅为 0ms-10ms， 匀速时间的增幅为 0ms-100ms。
具体地，低负载衣物时波轮转动目标速度为 60-100转 /分钟，加速时间为 100ms -350ms, 匀速时间为 200ms-800mS ; 中负载衣物时波轮转动目标速度为 70-120转 /分钟，加速时间为 110ms-350ms，匀速时间为 300-800ms; 重负载衣物时波轮转动目标速度为 80-140转 /分钟， 加速时间为 120ms-350ms， 匀速时间为 400ms-800ms; 停止时间均为 0 ms -1000ms。 如下表 说 明 书 所示:
Figure imgf000012_0002
低负载衣物时水位高度与内桶直径之比为 0. 2〜0. 4， 转速为 60-100转 /分钟， 洗涤时 间为 8 min〜12 min， 衣物翻转时间为 30s〜lmin; 中负载衣物时水位高度与内桶直径之比 为 0. 3〜0. 7， 转速为 70-120转 /分钟， 洗涤时间为 9min〜15 min, 衣物翻转时间为 lmin〜 2min; 重负载衣物时水位高度与内桶直径之比为 0. 5〜0. 9, 转速为 80-140转 /分钟， 洗涤 时间为 10min〜25min， 衣物翻转时间为 2min〜5min。 例如下表所示：
Figure imgf000012_0003
本发明洗涤方式不需要高水位， 只要洗涤用水能把衣物浸湿， 即使没有足够的水把衣 物浮起时也可以实现高效率洗涤， 一般按照衣物投放的负载量， 所述的洗衣机每增加 1kg 量负载所需要增加的衣物与水混合高度差 满足： h ( n
Figure imgf000012_0001
I ( Κ π ϋ2 ), 以使得衣 说 明 书 物与波轮接触不完全浮起， 其中， D为内桶直径， h为波轮高度， 为波轮体积， K为在波 轮高度的范围内波轮与内桶之间放置衣物的最佳负载量。
如图 8所示， 洗衣机的内桶和波轮示意图， 内桶直径 D为 472 波轮高度 h为 98mm, 波轮体积 N、为 3020760mm3, 波轮与内桶之间体积为 V2， 增加 lkg量负载衣物需要的衣物与 水混合的体积为 V3, 增加 lkg量负载衣物需要衣物与水混合高度差为 h1 ; 计算得出：
V2= n (D/2 ) 2 = 3· 14* ( 472/2 ) * ( 472/2 ) *98- 302070 = 16836703
实际 V2空间内最佳负载量为 2kg， 得出每 kg负载与水混合后最佳容量为 V3=V2/2 = 8418351
对应波轮顶部以上的水位高度为 ^ = 4*^ ( 3. 14*472*472 ) = 4*8418351/ ( 3. 14*472*472 ) =48. 14mm, 即波轮顶部以上， 每增加 lkg负载衣物， 衣物与水混合的相 应平均升高 48. 14mm 具体的， 低负载衣物时添加的水量为超过洗衣机波轮中心高度 80-150mm， 中负载衣物 时添加的水量为超过洗衣机波轮中心高度 150-220mm，重负载衣物时添加的水量为超过洗衣 机波轮中心高度 220-300mm。该洗涤方式针对不同负载的衣物都能更好的节约洗涤用水。计 算出每 kg负载的水位高度与内桶直径的比例如下表：
Figure imgf000013_0001
洗涤结束前， 通过交叉水流使衣物平衡分布， 同时解除缠绕， 使衣物纤维恢复， 从而 说 明 书 实现高的洗净比， 高均匀度， 低耗水， 低磨损。 所述的交叉水流指在同一个洗涤程序时， 调用的多个水流强度， 水流强度见下表： A-I强度是根据程序设定， 如牛仔、 丝绸等布料， 一般洗、 快速洗等洗涤强度。
Figure imgf000014_0001
本发明驱动装置采用直驱电机， 直驱电机输出的强大扭矩和特殊的运动轨迹， 配合仿 手洗水流， 实现洗涤无死角和洗涤均匀无缠绕， 洗净比大为提高。 如下表：
Figure imgf000014_0002
本发明所述的匀动力洗衣机洗涤衣物时， 衣物从波轮外部沿波轮到达波轮中心最顶点 由于衣物上升比较高， 在重力、 离心力和周围衣物的作用下外翻到最***内桶底处； 说 明 书 波轮直径与内桶的直径之比为 0. 6-0. 8为了使得衣物落下在内桶底区域， 减缓随波轮转动 的速度， 同时增加衣物降落与进入波轮的缓冲， 使得衣物翻转周期能够连续； 内桶在洗涤 前的上浮过程中由于波轮转速的变化实现对衣物的抖动均匀分布， 及洗涤过程中受衣物合 力的影响内桶以对应波轮转速变化的频率抖动以使得衣物由中心向外一圈推动一圏逐层均 匀抖动翻转， 衣物在内桶中运动时摩擦均匀， 使得衣物均匀度大于 95%， 洗净比大于 0. 9， 现有洗衣机的洗净比一般为 0. 7-0. 8， 均匀度最高为 80°/。； 由于波轮对衣物也有一定的作用 力， 因此衣物对水的依赖性降低， 达到相同浓度的洗涤溶液需要的洗涤剂用量较少， 节约 用水的同时也相对节省了洗涤剂的用量，减少了排水的污染，每次洗涤大概能节约 30%-50% 的用水。

Claims

权 利 要 求 书
1、 一种匀动力洗衣机， 包括盛水的外桶、 设于外桶内放置衣物的内桶、 可转动的波轮 及控制内桶和波轮转动的驱动装置， 其特征在于： 所述的波轮为一个边沿低、 逐渐向中心***的圆盘状结构， 波轮上设有能够引导衣物 向中心移动的突起， 使得衣物在波轮中心沿***上升， 突起由波轮中心向外沿呈层叠梯次 状， 两相邻梯次间以弧形相切过渡的方式变低， 突起宽度从中心向外沿、 从突起上表面到 底部渐宽变化； 所述内桶的周壁上设有多圈环状向内的压型以增加衣物沿内筒周壁落下时的摩擦面 积， 两道环形压型之间设有环状均布向外的的翻边及脱水孔； 所述的内桶底与周壁相交处沿圆周均勾分布有多个改变衣物运动轨迹的凸块； 洗衣机内桶和波轮满足： 洗涤时洗衣机添加的水量浸湿衣物、 且衣物上浮不能脱离与 波轮上表面的接触， 洗衣机每增加 1kg量负载所需要增加的衣物与水混合高度差 满足： ( n D2h-4V! ) I ( K II D2) , 以使得衣物与波轮接触不完全浮起， 其中， D 为内桶直径， h 为波轮高度， 为波轮体积， K为在波轮高度的范围内波轮与内桶之间放置衣物的最佳负载
2、 根据权利要求 1所述的匀动力洗衣机， 其特征在于： 所述突起两侧在波轮表面构成 的轮廓为多段连续相切圆弧曲线构成的径向延伸的 "八"字型结构， 突起的两侧为与波轮 表面平滑过渡的斜坡， 斜坡与波轮表面之间的倾斜夹角为 90° 〜120° ，其中距波轮中心 1/4-2/3的一段斜坡的倾斜夹角为 110° 〜120° 。
3、 根据权利要求 1所述的匀动力洗衣机， 其特征在于： 所述突起的高度为波轮直径的 1/10-1/9, 突起占波轮总面积的 1/5-1/2。
4、根据权利要求 1所述的匀动力洗衣机，其特征在于：所述的脱水孔为直径在 lmm-5mm 之间的圆孔或宽度为 lmm-3mm， 长宽比为 2-3的长圆孔。
5、 根据权利要求 1所述的匀动力洗衣机， 其特征在于： 波轮直径与内桶底的直径之比 为 0· 6-0. 8。
6、 根据权利要求 1所述的匀动力洗衣机， 其特征在于： 所述的内桶下方设有加水后使 得内桶上浮的浮筒， 波轮固定在波轮轴上， 波轮轴另一端穿过内桶、 浮筒与驱动装置传动 连接， 波轮轴上设有一离合外齿， 浮筒上设有与离合外齿对应啮合的离合内齿， 浮筒带动 内桶上浮离合外齿和离合内齿的脱离， 形成内桶与波轮轴的相对运动， 排水后靠重力作用 权 利 要 求 书 下落在离合外齿和离合内齿啮合过程实现衣物抖动均匀分布， 最后驱动波轮和内桶一起高 速转动脱水。
7、 根据权利要求 6所述的匀动力洗衣机， 其特征在于： 所述的浮筒是由多个塑料件形 成的中空的环状结构， 该环状结构由内外两环组成， 内外两环之间由放射状的筋相连， 筋 与筋之间形成扇形的空腔； 内环形成中心高周围低的***状， 离合内齿设于内环顶端。
8、 一种用于如权利要求 1-7任一所述匀动力洗衣机的洗涤方式， 其特征在于： 洗衣机 洗衣过程中， 衣物受波轮离心力、 衣物与波轮作用力、 衣物与水流作用力、 水对衣物的浮 力、 衣物自身重力及衣物与衣物之间作用力的合力的影响， 在随波轮转动的同时， 衣物向 波轮中心移动向上到达顶点后， 以层层外翻的方式向外周翻滚并沿内桶壁落下到内桶底， 具体为衣物翻转过程中随波轮的摆动， 衣物以一定频率由中心均匀抖动翻转到次外圈， 再 由次外圈均匀抖动翻转到再次外圈， 逐层均匀抖动翻转， 一直翻转到内桶壁后， 沿内桶壁 滑到桶底， 再受诸力影响向波轮中心移动， 洗衣机根据衣物负载的变化， 对水位、 转速和 洗涤时间作出相应变化以使得衣物重复循环翻转动作完成洗涤。
9、 根据权利要求 8所述的洗涤方式， 其特征在于： 衣物翻转频率为： 衣物在额定负载 的 60%以下时， 翻转一次时间小于 lmin， 大于额定负载的 60°/。小于满载情况， 翻转一次时间 为 lmin-3min， 满载情况时， 翻转一次时间为 ½in-5min。
10、 根据权利要求 8所述的洗涤方式， 其特征在于： 根据衣物负载量的变化， 波轮转 动的目标速度、 加速时间及匀速时间均相应小幅度增加以使得衣物向波轮中心的合力大于 随波轮转动的力， 转动过程中的停止时间不变以保持持续翻转， 目标速度的增幅为 10-20 转 /分钟， 加速时间的增幅为 0 ms -10ms , 匀速时间的增幅为 0 ms -100ms
11、 根据权利要求 8所述的洗涤方式， 其特征在于： 摆动角度的大小根据衣物负载量 变化以使得衣物受力方向分别对应翻转轨迹运动的方向； 具体为， 低负载衣物时波轮摆 动角度为 150° -200° ； 中负载衣物时波轮摆动角度为 200° -250° ； 重负载衣物时波轮摆 动角度为 250° -300° 。
12、 根据权利要求 8所述的洗涤方式， 其特征在于： 添加的水量根据衣物负载满足： 低负载衣物时添加的水量为超过洗衣机波轮中心高度 80mm_150mm， 中负载衣物时添加的水 量为超过洗衣机波轮中心高度 150im-220mm，重负载衣物时添加的水量为超过洗衣机波轮中 心高度 220mm-300mm。
13、 根据权利要求 8所述的洗涤方式， 其特征在于： 低负载衣物时水位高度与内桶直 权 利 要 求 书 径之比为 0. 2〜0. 4， 转速为 60-100转 /分钟， 洗涤时间为 8min〜12 min， 衣物翻转时间为 30s〜lmin; 中负载衣物时水位高度与内桶直径之比为 0. 3〜0. 7， 转速为 70-120转 /分钟， 洗涤时间为 9min〜15 min， 衣物翻转时间为 lmin〜2min; 重负载衣物时水位高度与内桶直 径之比为 0. 5〜0. 9, 转速为 80-140转 /分钟， 洗涤时间为 10min〜25min, 衣物翻转时间为 2mir！〜 5mir
14、 根据权利要求 11-13任一所述的洗涤方式， 其特征在于： 所述洗衣机低负载衣物 重量为 0kg〜2kg， 中负载衣物重量为 3kg〜5kg， 重负载衣物重量为 6kg〜8kg。
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