CN101886317B - Direct-driven fully automatic impeller type washing machine and washing method thereof - Google Patents
Direct-driven fully automatic impeller type washing machine and washing method thereof Download PDFInfo
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- CN101886317B CN101886317B CN200910136337.4A CN200910136337A CN101886317B CN 101886317 B CN101886317 B CN 101886317B CN 200910136337 A CN200910136337 A CN 200910136337A CN 101886317 B CN101886317 B CN 101886317B
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Abstract
The invention discloses a direct-driven fully automatic impeller type washing machine and a washing method thereof. The washing is performed by directly driving an impeller through a direct-driven motor; when the washing machine is started to a washing state, the initial speed of a motor is less than a constant speed of a running process; during the constant speed running, the flow in a corresponding washing tube is circulated and turned over by adopting a circulating variable-speed circulating water-flow driving mode; and the motor first performs long-term strong water flow driving to turn over clothes, then performs short-time balanced water flow driving to automatically correct the offset of the clothes in the washing tube and circulates the processes in turn. The clothes do spiral ascending motion around blades of the impeller while revolving around the center of the impeller in the washing tube, and are turned over from the centre of the impeller to the periphery when moving to the space behind a neck part of the impeller in the centre of the impeller and then fall down to the periphery of the bottom of the tube along the wall of the washing tube; then the clothes at the bottom of the tube are turned over upwards from the periphery to the centre of the impeller; and the clothes in the upper space are turned over downwards from the centre to the periphery. Through the washing machine and the washing method, the load can be automatically balanced.
Description
Technical field
The present invention relates to a kind of full-automatic impeller type washing machine, especially a kind of direct driving motor directly drives full-automatic impeller type washing machine and the washing methods thereof of impeller.
Background technology
Common rotary drum washing machine is by decelerator, carry out the energy transmission with belt, impeller is flat or sunk, by adding a large amount of water, lean on the upset that carrys out back rotation drive clothing of impeller during washing, will be more than above-below direction on its upset left and right directions, thereby, usually cause and put superincumbent clothes and do not wash clean, the clean uniformity of clothing is very poor, generally between 70%-90%.In addition, the rotation time of duty motor is all long, generally, between 1.0-1.6, commutates also slow, needs dwell time between 0.4-0.6.The speed of motor generally can not change, although the current of some programs are also cyclical-transformations, what adopt is all at interval of for a long time normal current, then adds the reinforcement current of one period short time, successively repeatedly.The reinforcement current refer to longer than the rotation time of normal current, the current that dwell time is short.
The mode of washing of full-automatic impeller type washing machine is generally to complete by the long-time stirring back and forth of impeller, in order to reach clean effect, the rotation time of motor is generally long, and because the time of electric machine rotation is long, the balance of complete machine is had relatively high expectations, cause common washing machine when washing, need to add a large amount of water, reduce the resistance that the friction between clothing and bucket brings.Because the time of electric machine rotation is longer, the electric energy while causing washing of drum type washing machine is larger simultaneously; And the time length of electric machine rotation has also caused the mutual winding between clothing.Therefore, common washing machine is in when washing, has a water consumption high, and power consumption is high, the shortcoming easily be wound around.
The Chinese patent that application number is 00121919.7 discloses a kind of method and apparatus for laundering of textile fabrics in the automatic washing machine including cleaning-drum and impeller.The method comprises: fabric is encased in washing cavities; To be enough to soak this fabric but not can impeller shaking peroid chien shih fabric break away from and impeller between the cleaning solution be frictionally engaged join in washing cavities; And impeller is swung, in order to drag the fabric be positioned at directly over impeller in the swing mode, wherein this fabric in washing cavities along inverse toroidal path upset, this inverse toroidal inverted pattern be by direct between the fabric above swinging impeller and being bearing in this impeller, contact formed.Washing machine in foregoing invention, the speed of the motor of employing is first high rear low, rotating manner is the initial driving curve that first adopts the longer speed of current higher, after motor rotation gets up, adopts the lower maintenance driving curve of the shorter speed of current.Its initial driving curve, just be used for starting the motion of clothes, later always according to keeping driving curve to move.
The speed that in above-mentioned patent, initial actuating speed drives than maintenance is high, and the stroke ratio of the initial motor driven keeps the stroke of driving long.Because the stroke of the motor of this kind of mode of washing is shorter, the toggle speed of motor is very high, and switching direction is very fast, easily causes washtub undergarment imbalance, and load easily, partially in a side of bucket, causes washtub to rock severity, thereby causes the complete machine vibrations.And the toggle speed of motor is higher than maintenance speed, start stroke and also be longer than the maintenance stroke, cause like this complete machine in washing at first, the imbalance aggravation of clothing in washtub, the vibrations of complete machine are more severe.In addition due to this reason, clothing is in the motion process of lower maintenance speed and shorter stroke, the number of times of upset also can reduce, especially during heavy load, because maintenance speed and stroke are constant, cause the imbalance of clothing in washtub automatically to be revised, thereby cause the imbalance of clothing and the vibrations of complete machine more to aggravate.
In view of this special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of speed that makes motor from slow to fast, the washing methods of cyclical-transformation current, make the washing machine of this mode of washing when work, can the autobalance load, the vibrations of complete machine are diminished.
Another object of the present invention is to provide a kind of direct-drive motor directly to drive impeller, during washing the speed of motor from slow to fast, the cyclical-transformation current full-automatic impeller type washing machine.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be: a kind of washing methods of direct-driven fully automatic impeller type, it is characterized in that: by direct driving motor, directly drive the mode of impeller to be washed, when motor starts to start when washing state, the initial velocity of motor is lower than the maintenance speed of operation process.
Adopt the circulating water flow type of drive of circulation speed change in the process of maintenance speed running, correspond to the water circulation upset in washtub, motor first turns round for a long time after strong current drive clothing is rotated, the balance current that carry out again the short time drive the biasing of correction clothing in washtub automatically, circulation successively.
Concrete washing methods is, washing starts, the initial velocity of motor adopts low velocity 30Hz-50Hz, 2-3 is after second in running, adopts the circulating water flow type of drive to carry out the motion of washing clothes upset, and this circulating water flow drives and comprises, first adopt speed high, time, long strong current drove mode of washing, and these strong current are to turn 0.8 second to stop 0.1 second according to the size of load, or turning 0.9 second stops 0.1 second; Or turn and within 1.0 seconds, stop 0.1 second or any combination current of above scope, speed is 70Hz-100Hz; Then carry out short balance current of low time of speed and drive, these balance current are to turn 0.5 second to stop 0.1 second according to the size of load, or turn 0.6 second and stop 0.1 second, or other weak current combinations, and speed is 50Hz-70Hz.
During washing, the form of expression of water circulation upset is, clothing in washtub around the rotating forward movement made progress along the impeller blade in the revolution motion of impeller center, clothing moves to mind-set periphery upset from impeller after the impeller neck at impeller center, fall to a barrel bottom perimeter along the washtub wall, the clothing at the bottom of bucket is flipped up to the impeller center by periphery, top clothing flips down from center to periphery again, and this process circulates.
When clothing during in washtub bottom and to the impeller central motion, clothing rotates under the water impact effect formed at impeller, frictional force, motive force and the impeller of impeller blade itself form three kinds of motion combinations under producing the centrifugal force acting in conjunction of clothing in rotating, move up to moving of impeller neck along the impeller blade when being respectively revolution motion and revolution motion, these two kinds of motion modes are combined and are spiral escalation and, to the movement locus of site polymerization, the motion mode of clothing self is from flip-flop movement simultaneously.
Move in the process at impeller neck top the thrust made progress that its clothing that will move upward below being subject to gives and the percussion of current at clothing; When clothing moves to impeller neck top, it is because inertia continues to move upward, simultaneously its be subject to Action of Gravity Field and the following clothing the fallen pulling force and the torsion that give of self and with impeller, rotate in the centrifugal force that produces, clothing is done outside upset revolution motion until arrive the position of washtub bottom away from the impeller center after of short duration upthrow, simultaneously, clothing is done from flip-flop movement.
During outside when clothing at washtub bottom impeller, it is stressed is: make clothing along with the stiction from impeller, the active force that comes from clothing above impeller that it is moved upward of impeller motion, make the clothing oriented bucket end and barrel rim along the active force from the current between impeller and washtub that overflow that stirred by impeller moved, stop clothing to move from the frictional force between clothing and washtub, the clothing of clothing self and vertical direction thereof close Action of Gravity Field, the clothing movement locus is that clothing moves upward along impeller when rotating with impeller.
When clothing during at bottom of the barrel impeller peripheral, owing at the bottom of washtub, with the circumference connecting portion of washtub wall, being provided with at least one backwater gathering sill, when producing corresponding active force by the backwater gathering sill, current hold up clothing during washing, clothing is taken back on impeller, moved upward along impeller when rotating with impeller.
When clothing is between two impeller blades, its stressedly be: the frictional force that the clothing that vertical height is lower gives, the centrifugal force that impeller forms in the process of rotating, the thrust of impeller blade to clothing, impeller gives the stiction of clothing in the process started, the active force of the current that form under impeller promotes, the torsion that the clothing that vertical height is higher gives and resistance, the acting in conjunction power of the clothing that perpendicularity is higher than it and self gravitation thereof, in this process, impeller ceaselessly stops, start, the stiction of impeller is ceaselessly to the clothing effect, make it continue to move upward.At this motion process, clothing is done from flip-flop movement simultaneously.
When clothing, when the impeller blade is up creeped by export-oriented center, it is stressed is: in uphill process with frictional force, clothing self and the vertical height of clothing on every side higher than it and closing of the pressing clothing thereon torsion that stiction in starting of gravity, the clothing of face gives on the lower the thrust made progress, impeller, the active force of current, clothing that vertical height is higher give and resistance, along with impeller rotate thrust that the centrifugal force that produces and impeller blade give with joint efforts; This process, clothing is done from flip-flop movement simultaneously.
When clothing, when the impeller blade moves to impeller neck top, it is stressed is: the thrust made progress that impeller gives the frictional force of clothing, following clothing, self gravity and the thrust of impeller, with the centrifugal force of impeller blade rotation and making a concerted effort of water flow impact pressure.
After clothing falls, along washtub bottom chamfer place, toward falling, clothing is subject to the trend that vertical height makes it have trend washtub center to move lower than the pulling force of its clothing, vertical height higher than the acting in conjunction power of centripetal force in pressure, self gravitation and the washtub rotation process of its clothing.
Above-mentioned direct-driven fully automatic impeller type washing machine, comprise shell, washtub, be located at the impeller at the bottom of washtub, motor, Inlet and outlet water device and control device, impeller comprises the impeller chassis and is located at the impeller blade on the impeller chassis, it is characterized in that: described motor direct-drive impeller, the impeller blade is at least two-layer step structure, smooth excessiveness between each ladder layer, the impeller blade height is radially increased to center ladder layer by edge, impeller chassis, between the ladder layer, be that level and smooth cambered surface is excessive, each impeller blade radially converges at the impeller neck of impeller center chassis one projection.
Described impeller blade at least comprises bottom base that lower floor is connected with the impeller chassis and the convex tendon on upper strata, described bottom base and convex tendon comprise respectively the clothing raised floor and the left and right sidewall be connected with clothing raised floor smooth excessiveness of edge, relative impeller chassis one side, and described convex tendon also comprises the upper surface be connected with left and right sidewall smooth excessiveness with the clothing raised floor.
Described impeller blade comprises the convex tendon on bottom base and upper strata, convex tendon clothing raised floor and bottom base clothing raised floor smooth excessiveness, the bottom base clothing raised floor gradient is 0 °～45 °, the convex tendon clothing raised floor gradient is 30 °～60 °, and the convex tendon clothing raised floor ratio of slope bottom base clothing raised floor gradient is at least high 5 °.
The outline line that described bottom base is connected with the impeller chassis consists of three partial contour curves, the width maximum of edge, impeller chassis contour curve, the width minimum of impeller center chassis place contour curve, the contour curve of outermost is the circular curve that " eight " font is drawn in to impeller center chassis direction, middle contour curve is " () " shape, and the contour curve in be to impeller center chassis prescription to the curve that continues gathering.
Described bottom base smoothly raises along the clothing raised floor, the clothing raised floor is 90 °～100 ° in circumference edge, impeller chassis and inclination angle, impeller chassis, the outermost contour curve and in corresponding left and right sidewall and the inclination angle, impeller chassis of contour curve be 90 °～100 °, the left and right sidewall that the intermediate profile curve is corresponding and inclination angle, impeller chassis are 110 °～120 °.
Large 30 °～40 ° than the inclination angle on the left and right sidewall of bottom base and impeller chassis, the inclination angle on the left and right sidewall of described convex tendon and impeller chassis
Described impeller chassis raises to center from edge, slightly goes up the impeller neck of thin frustum cone structure once in the center projection, and inclination angle, edge, impeller chassis is 0 °～15 °, and the angle of impeller neck round platform periphery and vertical direction is 30 ° ± 5 °.
Between described impeller neck and impeller chassis, junction is that arc is excessive, and arc radius is identical with the circular curve radian that contour curve " eight " font of outermost is drawn in to impeller center chassis direction.
Above-mentioned impeller chassis and with its radius ratio of washtub of impeller chassis coupling be 0.5～0.8, optimum is 0.65～0.75.
Be provided with at least one backwater gathering sill with the circumference connecting portion of washtub wall at the bottom of washtub.
The horizontal plane of above-mentioned backwater gathering sill bottom land at the bottom of lower than washtub.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
Full-automatic impeller type washing machine of the present invention, adopt the motor of direct-drive type directly to drive impeller to be washed.Reduced the energy transmission that adopts decelerator to cause, and adopt special-purpose high top impeller, coordinate special-purpose washing procedure and current etc., make clothing in washing process, in the interior bucket of washing machine, can in the middle of impeller, to both sides, overturn, clothing at the bottom of bucket is flipped up, and top clothing can flip down, and all clothings can be cleaned, and, the upset of clothing, driven the phase mutual friction of clothing, can better improve the wash degree of clothing.The present invention washs rear all clothings and can be cleaned because of upset, and the clothes washing uniformity is also improved greatly, and the uniformity can reach between 4-5.These washing procedure current etc. are different from common washing machine, and electric machine rotation and the time stopped are all shorter.Along with the difference of load weight, the rotation time of motor is at 0.5-1.1 between second, and dwell time is at 0.1-0.3 between second.Acceleration and the velocity ratio of motor are higher, motor can be at short notice conversion direction back and forth, and the band dynamic load is rotated back and forth.
The present invention utilizes the improvement of motor speed and directly drives impeller, can be on the basis of the impact forces of as far as possible utilizing water, rely on the interaction force of washings self, the active force of impeller and washings, washings is with the active force of bucket wall and the centrifugal force of impeller rotary action, maximized these power of utilizing, in washing process, the washings that promotes the washing wave wheel top rises to highest point at rotation process, at gravity, fall back to the interior bucket bottom of outermost under the frictional force effect of centrifugal force and following washings, then above continuing to rise to washing wave wheel under the washings effect above washing wave wheel, wash for the second time, so repeatedly go down.This structure not only makes washings can not be intertwined in washing process, and comprehensively, fully, repeatedly, washed efficiently, does not need the high water level washing simultaneously, has saved a large amount of water resources; In addition, this washing process, in whole motion, stressed and motion is carried out at each position of washings, and stressed frequency is higher and more even.In a washing process of washings upset, each active force periodically acts on, and abrasive forces is little, and good to the removal effect of dirt, has improved the efficiency of washing, has avoided washings to be intertwined it is caused to distortion.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The accompanying drawing explanation
Fig. 1 is our bright washing of drum type washing machine clothing flip-flop movement track schematic diagram;
Fig. 2 is the impeller structure schematic diagram of realizing this washing methods of the present invention;
Fig. 3 is impeller blade bottom profile curve synoptic diagram of the present invention;
When Fig. 4 is impeller rotation of the present invention, the impeller blade drives water movement direction schematic diagram;
Fig. 5 is the elementary contour curve synoptic diagram of impeller chassis structure of the present invention and neck;
Fig. 6 is the stressed schematic diagram of washing methods washings of the present invention in impeller outside, washtub bottom;
Fig. 7 be washing methods washings of the present invention between two impeller blades when zone stressed schematic diagram;
Fig. 8 is washing methods washings of the present invention stressed schematic diagram when the impeller blade up moves to center;
Fig. 9 is washing methods washings of the present invention stressed schematic diagram when the impeller blade moves to impeller neck top;
Figure 10 is washing methods washings of the present invention stressed schematic diagram when washtub bottom chamfer place down moves;
Figure 11 is schematic diagram at the bottom of full-automatic impeller type washing machine washtub of the present invention.
The specific embodiment
As shown in figure 10, impeller 1 of the present invention, for directly being driven by motor 100, not by the decelerator speed change, during washing, the initial velocity of start-up course is lower than the maintenance speed of operation process, adopt the circulating water flow type of drive of circulation speed change in the process of maintenance speed running, correspond to the water circulation upset in washtub, motor first turns round for a long time after strong current drive clothing is rotated, the balance current that carry out again the short time drive the biasing of correction clothing in washtub automatically, circulation successively.Type of drive of the present invention can make washings stir up and down washing in water, utilize and directly drive impeller in rotating process frequently, to the combination of the effect of the ceaselessly friction of washings and the impulsive force of stirring action power and water, formation can apply the special mode of washing that suitable mechanicals efforts reaches clean result to washings.
Washing starts, the initial velocity of motor adopts low velocity 30Hz-50Hz, 2-3 is after second in running, adopt the circulating water flow type of drive to carry out the motion of washing clothes upset, this circulating water flow drives and comprises, first adopts speed high, and the time, long strong current drove mode of washing, these strong current are to turn 0.8 second to stop 0.1 second according to the size of load, or turning 0.9 second stops 0.1 second; Or turn and within 1.0 seconds, stop 0.1 second or any combination current of above scope, speed is 70Hz-100Hz; Then carry out short balance current of low time of speed and drive, these balance current are to turn 0.5 second to stop 0.1 second according to the size of load, or turn 0.6 second and stop 0.1 second, or other weak current combinations, and speed is 50Hz-70Hz.
In washing methods of the present invention, washings upset washing motion comprises forward and backward motion process: when washings during in washtub 1 bottom and to impeller 1 central motion, the washings motion mode is, the rotating forward movement made progress along the impeller blade in the time of around the central shaft revolution motion; Washings moves up to the impeller neck 4 at impeller center along impeller blade 3 by this motion mode; When washings moves to impeller neck 4 top, the washings motion mode is, washings moves upward along inertia, do outer upset revolution motion after of short duration upthrow under the effect of centrifugal force and bottom washings until arrive the position of washtub 1 wall away from the impeller center, then the centripetal force that washings rotates generation at washtub reaches under the acting in conjunction of the downward pulling force at the washings of its lower floor, move to washtub 1 bottom, this process motion mode is the backpitch descending motion.Its movement locus as shown in Figure 1, the alternating action of forward and backward moving periodicity on washings in, self does flip-flop movement washings.In whole motion, stressed and motion is carried out at each position of washings, and stressed not quite still frequency is higher and more even.In washing process, periodic being acted on like this, abrasive forces is little, and good to the removal effect of dirt, and above-mentioned motion is the motion mode that the size of washings load capacity and water consumption presents when reaching best.
Particularly, above-mentioned washings upset front half period of motion of washing is: when washings during in washtub 1 bottom and away from impeller 1 central motion, washings rotates under the water impact effect formed at impeller 1, the frictional force that impeller blade 3 is own, during rotating, motive force and impeller 1 produce forming three kinds of motion combinations under the centrifugal force acting in conjunction of washings, move up to moving of impeller neck 4 along impeller blade 3 when being respectively revolution motion and revolution motion, these two kinds of motion modes are combined and are spiral escalation and to the movement locus of site polymerization, the motion mode of washings self is from flip-flop movement simultaneously.
Rear half period of motion is: move in the process at impeller neck 4 tops the thrust made progress that its washings that will move upward below being subject to gives and the percussion of current at washings; When washings moves to impeller neck 4 top, it is because inertia continues to move upward, simultaneously it is subject to self Action of Gravity Field and the centrifugal force that produces in rotating of the pulling force that gives of the following washings fallen and torsion and impeller, washings is done outside upset revolution motion until arrive the position of washtub 1 bottom away from the impeller center after of short duration upthrow, this process motion mode is the backpitch descending motion, simultaneously, washings is done from flip-flop movement.
Mode of washing of the present invention does not need high water level, as long as slurry can soak washings, also can realize high-efficient washing while even without enough water, washings being floated, washings at the bottom of washtub and the diverse location place of impeller stressed different, its concrete analysis is as follows.
When A, impeller 1 outside when washings in washtub 1 bottom, washings is subject to make stiction from the impeller 1 Δ F of washings along with the impeller motion
static friction, the active force Δ F that comes from the washings on impeller 1 that washings is moved upward
washings, make the active force Δ F from the current that overflow between impeller 1 and washtub 1 that stirred by impeller 1 of the oriented washtub of washings bottom and washtub edge movement tendency
water, stop the washings movement tendency from the frictional force Δ F between washings and washtub 1
frictional force, the active force that closes gravity G of washings self and vertical washings on it.Buoyancy Δ F
floatingminimum to the washings motion effects herein, can ignore, as shown in Figure 6, impeller clockwise rotates, and washings institute is stressed is:
Δ F
close=Δ F
frictional force+ Δ F
static friction+ Δ F
water+ Δ F
washings+ G
Now the movement locus of washings is, washings moves upward along impeller 1 when rotating with impeller 1.
B, when washings when zone between two impeller blades 3, institute is stressed is for it:
Δ F
close=Δ F
frictional force+ Δ F
from+ Δ F
push away+ Δ F
static friction+ Δ F
water+ Δ F
washings+ G+ Δ F
floating
Δ F
frictional forcefor the frictional force that the lower washings of vertical height gives, Δ F
fromfor the centrifugal force that impeller 1 forms in the process of rotating, Δ F
push awayfor the thrust of 3 pairs of washings of impeller blade, Δ F
static frictiongive the stiction of washings, Δ F in the process started for impeller 1
waterfor the active force of the current of formation under impeller 1 promotion, Δ F
washingsfor torsion and the resistance that the higher washings of vertical height gives, the gravity that closes that G is washings that vertical height is higher than it and self.In washing process, impeller 1 is ceaselessly stopping and starting, and from the stiction of impeller 1, ceaselessly acts on to washings, makes it continue to move upward, and as shown in Figure 7, this state is that impeller clockwise rotates to stressing conditions.
C, when washings when impeller blade 3 is up moved by export-oriented center, it is stressed is:
Δ F
close=Δ F
frictional force+ Δ F
static friction+ Δ F
water+ Δ F
washings+ G+ Δ F
from+ Δ F
push away+ Δ F
the impeller leaf
Δ F
frictional forcefor in uphill process from the frictional force of washings on every side, G for himself and vertical height high than it and pressure washings thereon close gravity, the thrust Δ F made progress that in this process, the washings of face gives on the lower
push awaystiction Δ F with impeller 1 in starting
static friction, the active force Δ F of current
water, Δ F
washingsfor torsion and the resistance that the higher washings of vertical height gives, Δ F
fromfor rotate the centrifugal force of generation, Δ F along with impeller
the impeller leaffor the thrust that the impeller blade gives, be subject to the effect of these power that washings is up moved, as shown in Figure 8, this state is that impeller rotates counterclockwise to stressing conditions.
D, when washings along impeller blade 3 to 4 tops whens motion of impeller neck, it is stressed is:
Δ F
close=Δ F
frictional force+ G+ Δ F
push away+ Δ F
from+ Δ F
washings+ Δ F
water
Frictional force Δ F herein
frictional forcefor the frictional force that impeller 1 is given washings, because washings will break away from impeller 1, frictional force is very little, the thrust Δ F made progress that washings is given by following washings mainly
washings, rotate the Δ F produced with impeller
fromthe thrust Δ F given with the impeller blade
push away, Δ F
waterfor the impulsive force of current, washings keeps this movement tendency, until break away from impeller 1; When moving to top, washings breaks away from impeller, and due to the Action of Gravity Field of self, washings is done of short duration similar projectile motion; Then move to the washtub wall place away from the impeller center under the effect of washings and the centrifugal action along with the rotation generation of ripple road below, as shown in Figure 9, this state is that impeller rotates counterclockwise to stressing conditions.
E, after washings falls, it down moves along washtub 1 bottom chamfer place, washings is subject to the pulling force Δ F of vertical height lower than its washings
draw, vertical height is higher than the pressure Δ F of its washings
presswith the centripetal force Δ F in the washtub rotation process
to, washings is subject to the Δ F that makes a concerted effort under oblique herein
closeeffect, until washtub 1 bottom, as shown in figure 10, this state is that impeller rotates counterclockwise to stressing conditions.
By the description of five processes of above-mentioned A-E, can draw a complete movement locus of washings, as shown in Figure 1.
As shown in Figure 2, the described impeller 1 of the embodiment of the present invention, comprise impeller chassis 2 and be located at three impeller blades 3 on impeller chassis 2, impeller blade 3 is two-layer step structure, smooth excessiveness between the ladder layer, the height of impeller blade 3 is radially radially increased to center ladder level by 2 edges, impeller chassis, between the ladder layer, be that level and smooth cambered surface is excessive, each impeller blade 3 radially converges at the impeller neck 4 of impeller chassis 2 center one projections, described impeller blade 3 comprises the convex tendon 6 on bottom base 5 and upper strata, bottom base 5 and convex tendon 6 comprise respectively the clothing raised floor 51 of relative impeller chassis 2 edge one sides, 61 and with clothing raised floor 51, the left side that 61 smooth excessivenesses connect, right side wall 52, 62, described convex tendon 6 also comprises and clothing raised floor 61 and a left side, the upper surface 63 that right side wall 62 smooth excessivenesses connect, convex tendon clothing raised floor 61 and bottom base clothing raised floor 51 smooth excessivenesses, bottom base clothing raised floor 51 gradients are 0 °～45 °, convex tendon clothing raised floor 61 gradients are 30 °～60 °, at least large 5 ° of convex tendon clothing raised floor 61 ratio of slope bottom base clothing raised floor 51 gradients, impeller chassis 2 between every two impeller blades 3 is provided with discharge orifice 7.
As shown in Figure 3, the outline line 8 that bottom base of the present invention is connected with impeller chassis 2 consists of three partial contour curves 81,82,83, the width maximum of impeller chassis 2 edge contour curves 81, the width minimum of impeller chassis 2 center contour curves 83, the contour curve 81 of outermost is " eight " font circular curve 9 that 2 center directions are drawn in to the impeller chassis, middle contour curve 82 is " () " shape, and the contour curve 83 in be the curve that 2 center directions continue gatherings to the impeller chassis.
As shown in Figure 4, described bottom base 5 smoothly raises along clothing raised floor 51, clothing raised floor 51 is 90 °～100 ° in circumference edge, impeller chassis and impeller chassis 2 inclined angle alpha, outermost contour curve 81 and in left and right sidewall 521,523 and impeller chassis 2 angle of inclination beta, the γ of contour curve 83 correspondences be 90 °～100 °, left and right sidewall 522 and impeller chassis 2 tiltangleθs of intermediate profile curve 82 correspondences are 110 °～120 °; Large 30 °～40 ° than the inclination angle on the left and right sidewall of bottom base and impeller chassis, the inclination angle on the left and right sidewall of described convex tendon and impeller chassis
As shown in Figure 5, described impeller chassis 2 raises to center from edge, convex to form the impeller neck 4 of thick thin frustum cone structure in center, impeller chassis 2 inclination angle, edge η are 0 °～15 °, said structure makes the retaining between two impeller blades abundant, the impeller blade stirs the water yield will be enough large, and the flow of water of formation is also larger, and the kinetic energy of conversion enough provides the flip-flop movement of washings; The angle ε of impeller neck 4 round platform peripheries and vertical direction is 30 ° ± 5 °, the active force of the frictional force that washings is subject in crawling process, the impulsive force of current and impeller blade reaches balance, washings is not easy to be intertwined, and can carry out omnibearing flip-flop movement.Between described impeller neck 4 and impeller chassis 2, junction 10 is that arc is excessive, and arc radius is identical with circular curve 9 radians that contour curve 81 " eight " fonts of outermost are drawn in to impeller center chassis direction.
Above-mentioned impeller chassis and with its radius ratio of washtub of impeller chassis coupling be 0.5～0.8, optimum is 0.65～0.75, the washings interaction force between the washings on washing wave wheel and washing wave wheel and washtub is the most applicable like this.
Also having an important factor is to be provided with at least one backwater gathering sill 101 with the circumference connecting portion of washtub wall at the bottom of washtub, during washing, when current produce corresponding active force by backwater gathering sill 101, holds up clothing, and clothing is taken back on impeller 1.
The horizontal plane of described backwater gathering sill 101 degree of depth at the bottom of lower than washtub, the degree of depth of described backwater gathering sill is at 5-15mm, and width is 15-20mm, and the concave surface radian of described backwater gathering sill is between 90 °-160 °.
In the present invention, the washtub bottom structure can also be made into more than one backwater gathering sill and sequentially arranges, and the benefit of design is to make the washtub bottom margin to form corrugated relief fabric like this.And make water produce impulse force upwards in washtub edge circulation, clothing is taken away to the washtub bottom.Make in its cyclic process that comes back to the washtub middle part.
This patent washtub bottom structure strengthened washings from top to bottom stir effect, make the washings descended from the washing wave wheel top be easy to stir washing wave wheel, participate in next shuttling movement.
The present invention also has another special circumstances: in the situation that a lot of washings of the water yield seldom, now the active force between the active force between washings, washings and impeller is much smaller than the active force of water, in washtub, buoyancy of water is enough to washings is held up, washings is done stirring from surrounding to center at the water surface, does under water the motion of stirring of mind-set surrounding therefrom.This direction of motion i.e. the mass motion direction of the current of washing methods for this reason.
Claims (4)
1. the washing methods of a direct-driven fully automatic impeller type washing machine, it is characterized in that: by direct driving motor, directly drive the mode of impeller to be washed, when motor starts to start when washing state, the initial velocity of motor is lower than the maintenance speed of operation process, adopt the circulating water flow type of drive of circulation speed change in the process of maintenance speed running, correspond to the water circulation upset in washtub, motor first turns round for a long time after strong current drive clothing is rotated, the balance current that carry out again the short time drive the biasing of correction clothing in washtub automatically, circulation successively, these strong current are to turn 0.8 second to stop 0.1 second according to the size of load, or turning 0.9 second stops 0.1 second, or turn and within 1.0 seconds, stop 0.1 second or any combination current of above scope, speed is 70Hz-100Hz, and these balance current are to turn 0.5 second to stop 0.1 second according to the size of load, or turn 0.6 second and stop 0.1 second, and speed is 50Hz-70Hz.
2. the washing methods of a kind of direct-driven fully automatic impeller type washing machine according to claim 1, it is characterized in that: during washing, the form of expression of water circulation upset is, clothing in washtub around the rotating forward movement made progress along the impeller blade in the revolution motion of impeller center, clothing moves to mind-set periphery upset from impeller after the impeller neck at impeller center, fall to a barrel bottom perimeter along the washtub wall, again the clothing at the bottom of bucket is flipped up to the impeller center by periphery, top clothing flips down from center to periphery, and this process circulates.
3. the washing methods of a kind of direct-driven fully automatic impeller type washing machine according to claim 2, it is characterized in that: when clothing during at bottom of the barrel impeller peripheral, owing at the bottom of washtub, with the circumference connecting portion of washtub wall, being provided with at least one backwater gathering sill, when producing corresponding active force by the backwater gathering sill, current hold up clothing during washing, clothing is taken back on impeller, moved upward along impeller when rotating with impeller.
4. the washing methods of a kind of direct-driven fully automatic impeller type washing machine according to claim 1, it is characterized in that: concrete washing methods is, washing starts, the initial velocity of motor adopts low velocity 30Hz-50Hz, and 2-3 is after second in running, adopts the circulating water flow type of drive to carry out the motion of washing clothes upset, this circulating water flow drives and comprises, first adopt speed high, the time, long strong current drove mode of washing, then carried out short balance current of low time of speed and drove.
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140748B (en) * | 2010-12-23 | 2016-04-27 | 海尔集团公司 | There is washing machine and the mode of washing of the even dynamic upset of clothing |
| CN102154800B (en) * | 2010-12-23 | 2015-12-02 | 海尔集团公司 | Even dynamic upset washing methods and even dynamic washing machine |
| CN102191652B (en) * | 2010-12-23 | 2016-01-20 | 海尔集团公司 | Full-automatic impeller type washing machine |
| CN102140747B (en) * | 2010-12-23 | 2016-01-27 | 海尔集团公司 | A kind of even power washing methods and washing machine |
| WO2012083661A1 (en) * | 2010-12-23 | 2012-06-28 | 海尔集团公司 | Washing machine utilizing uniform washing force and washing method thereof |
| CN102146626B (en) * | 2010-12-23 | 2016-04-27 | 海尔集团公司 | A kind of even power washing methods and this even dynamical washing machine |
| CN103321015A (en) * | 2012-03-20 | 2013-09-25 | 海尔集团公司 | Washing machine washing method |
| CN102758336B (en) * | 2012-06-06 | 2017-12-29 | 青岛海尔洗衣机有限公司 | A kind of three dynamical washing machines |
| CN102912583B (en) * | 2012-06-06 | 2017-12-29 | 青岛海尔洗衣机有限公司 | A kind of three dynamical washing machines |
| CN104109964A (en) * | 2013-04-17 | 2014-10-22 | 海尔集团公司 | Inner tub and pulsator integrated structure and washing machine |
| CN108265458A (en) * | 2016-12-30 | 2018-07-10 | 青岛海尔洗衣机有限公司 | A kind of rotary drum washing machine and its exempt from wind washing methods |
| CN109056273A (en) * | 2018-09-10 | 2018-12-21 | 青岛海尔洗衣机有限公司 | A kind of washing methods of washing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373248A (en) * | 2002-04-02 | 2002-10-09 | 海尔集团公司 | High-speed washing program of washer |
| CN1572960A (en) * | 2003-06-18 | 2005-02-02 | 三洋电机株式会社 | Drum type washing machine |
| CN1604976A (en) * | 2001-12-13 | 2005-04-06 | 株式会社东芝 | Inverter of washing machine and inverter of washing machine/dryer |
| JP2005246076A (en) * | 2005-04-05 | 2005-09-15 | Sharp Corp | Inverter washing machine |
-
2009
- 2009-05-11 CN CN200910136337.4A patent/CN101886317B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1604976A (en) * | 2001-12-13 | 2005-04-06 | 株式会社东芝 | Inverter of washing machine and inverter of washing machine/dryer |
| CN1373248A (en) * | 2002-04-02 | 2002-10-09 | 海尔集团公司 | High-speed washing program of washer |
| CN1572960A (en) * | 2003-06-18 | 2005-02-02 | 三洋电机株式会社 | Drum type washing machine |
| JP2005246076A (en) * | 2005-04-05 | 2005-09-15 | Sharp Corp | Inverter washing machine |
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Effective date of registration: 20160718 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: haier group corporation Patentee before: Qingdao Haier Washing Machine Co., Ltd. |