CN102140748A - Washing machine with clothes being overturned at constant speed and washing mode - Google Patents
Washing machine with clothes being overturned at constant speed and washing mode Download PDFInfo
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- CN102140748A CN102140748A CN2011100523180A CN201110052318A CN102140748A CN 102140748 A CN102140748 A CN 102140748A CN 2011100523180 A CN2011100523180 A CN 2011100523180A CN 201110052318 A CN201110052318 A CN 201110052318A CN 102140748 A CN102140748 A CN 102140748A
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Abstract
The invention discloses a washing machine with clothes being overturned at constant speed and a washing mode. The washing machine comprises an outer barrel, an inner barrel, a rotatable wave wheel and a driving device, wherein the outer barrel is used for containing water; the inner barrel is arranged in the outer barrel and used for placing clothes; and the driving device is used for controlling the inner barrel and the wave wheel to rotate. Bulges capable of guiding the clothes to move to the center are arranged on the wave wheel, the clothes roll to the periphery in a stacked outward-turning mode and fall into the bottom of the inner barrel along the wall of the inner barrel after moving to the center of the wave wheel and then upwards to a peak, the bulges are radially distributed from the center of the wave wheel to the outside along the radial direction, the upper surfaces of the bulges outwards step down and extend in a tangent mode from the bump part at center of the wave wheel, a plurality of lugs capable of preventing the clothes from fully rotating along with the wave wheel to change the moving direction of the clothes are uniformly distributed on the circumference of the bottom wall of the inner barrel, and the diameter ratio of the wave wheel to the inner barrel is 0.6-0.8. The washing machine improves clothes cleanliness ratio and washing uniformity and saves washing water.
Description
Technical field
The present invention relates to a kind of washing machine and mode of washing, especially a kind of washing machine and mode of washing that changes clothes washing upset path, has the even moving upset of clothing.
Background technology
At present, the mode of washing of rotary drum washing machine is to rotate the special current that form simultaneously by impeller rotation or impeller and interior bucket to stir the clothing motion, and in the process of stirring, it is applied active force, make its pass through self friction, with the friction of impeller and inner barrel wall, wash the purpose that reaches clean repeatedly.Impeller in the rotary drum washing machine, shape is ever-changing, as dish-shaped impeller, bar type impeller, bowl formula impeller etc., but no matter how the shape of impeller changes, its final purpose all is in order to improve wash degree and to reduce the winding of clothing without exception, and high wash degree and low winding rate are conflicting, wash degree has improved often, the severity of twining, otherwise be exactly to twine for a short time, wash degree is also little.Existing rotary drum washing machine, the washing water consumption is big, wash time is long, wash many with detergent amount, the easy tangled up and knotted of clothing, cause wash inhomogeneous, yielding; Perhaps, clothing washs by the water flow impact pressure that interior bucket rotation produces centrifugal force formation, and clothing is to make the as a whole process of finishing washing usually.Though current also play the effect of washing away, not enough to open clothing is loose, but make one of clothing formation, integral body is intertwined.
In order to improve wash degree, the impeller rotational angle is big and rotating speed is fast when just needing washing, is subjected to the current of centrifugal action to drive clothing moving along a direction at a high speed, but finally can cause clothing to be intertwined, clothing is damaged by tearing, especially high-grade clothing, easier to be impaired; And, depend merely on the effect of current in the washing process, forms of motion is single, fixing, and the upset efficient of clothing in interior bucket is low, need wash the clean result that just can finish whole clothing more frequently.
In addition, when this type of washing machine running, impeller rotation or swing, form the current of annular, because mobile depend on fluid motion or the fluid dynamic force of clothing in washtub, therefore, in order to realize required annular inverted pattern, must make equally that the automatic washing machine with bottom impeller is full of cleaning solution, the height that wherein joins the cleaning solution in the washtub must be enough to complete submergence and be encased in the fabric that goes in the cleaning-drum, will need to consume a large amount of water like this, in addition, because the water yield is big, in order to reach enough detergent concentrations, just must strengthen detergent amount, washing cost height also causes certain pollution to water resource.
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, and a kind of washing machine that makes that clothing overturns and cleans ratio to improve with even flowing mode is provided.
Another object of the present invention is to provide this laundry of washing machine mode of washing,, thereby improve the washing uniformity, increase friction area relatively and improve and clean ratio by the mode of washing of the even moving upset of clothing.
For solving the problems of the technologies described above, the present invention adopts the basic design of technical scheme to be: a kind of washing machine with the even moving upset of clothing, comprise the outer bucket that is filled with water, be located at the interior bucket of placing clothing in the outer bucket, the drive unit that bucket and impeller rotate in rotating impeller and the control, impeller is provided with the projection that can guide clothing to move to the center, even moving be meant clothing to the impeller center move upwards arrive the summit after, with the even shake mode of turning up barrel end in periphery is rolled and dropped to along inner barrel wall of layered laminate, projection is by the outwards radially radial distribution in impeller center, the upper surface of projection is sentenced the step-down extension outward of tangent mode from the impeller central elevation, the profile that projection constitutes on impeller surface for the multi-section circular arc contact of a curve constitute at " eight " font structure that radially extends, the both sides of projection are the slope with the transition of impeller surface smoothing, the slope and in twos between the projection slanted angle between the impeller surface be 90 °～120 °, wherein the slanted angle apart from one section slope of impeller center 1/4-2/3 is 110 °～120 °, thereby an interior bucket end perisporium circumference is evenly distributed with a plurality of clothings that can stop and rotates the projection that changes the clothing moving direction with impeller fully, the diameter ratio of impeller diameter and interior bucket is 0.6-0.8, said structure makes that the swing with impeller is rotated in the clothing switching process, the center clothing is turned to time outer ring, influenced by impeller, be turned to outer ring once more by the shake of inferior outer ring again, after being turned to inner barrel wall, at the bottom of sliding into barrel along inner barrel wall always.
Washing clothes of the present invention is successively evenly shaken upset by the center to the outer ring, wherein, evenly be meant and be evenly distributed, even distribution when being included in clothes agitating in the washing process, be specially, clothing with impeller rotation process and clothing with the current switching process in, with certain frequency shake upset, that the shake upset comprises is loosening between clothing and the clothing, break away from the upset and the clothing self that twine trembles diffusing upset; The frequency of shake is relevant with the dead time between motor speed, rotating time and the rotating.
Described agitation wheel for washing machine be low around one, gradually to the disc-shaped structure of central elevation, described projection has 3-6, the width of projection therefrom mind-set is more and more wideer outward, and the height of projection at the impeller center is the 1/10-1/9 of impeller diameter, and projection accounts for the 1/5-1/2 of the impeller gross area.
Said structure makes clothing rotate at impeller under the water impact effect that forms better, produces during the frictional force of projection itself, motive force and impeller rotate under the centrifugal force acting in conjunction to clothing to move to the impeller center.
Bucket is rolled by the stainless steel tablet and to form in described, and the friction area when interior bucket perisporium is provided with the inside die mould of multi-turn ring-type and falls to increase clothing is provided with ring-type uniform outside flange and circular hole or slotted hole between the twice annular die mould.This pressure-type structure has also reduced the time that clothing drops downwards when increasing friction area, reduce the clothing possibility that perisporium is piled up at the bottom of bucket, better realizes the complete upset of clothing.
The bucket bottom is provided with the groove that mates with impeller in described, impeller is installed in this groove, the groove periphery is an annular region, projection is uniformly distributed on the annular region, and quantity is 3-12, because impeller rotates, clothing has the turnaround speed of rotating with impeller equally, can produce centripetal force in order better to reduce clothing again with the swing of impeller, general projection evenly is provided with the 8-12 piece, can make clothing obtain the angular speed that centripetal force can reduce the clothing swing again better.
The mode of washing of washing machine of the present invention is, in the laundry washer process, clothing is subjected to impeller centrifugal force, clothing and impeller active force, the influence of making a concerted effort of active force between clothing and bourn acting force and clothing and the clothing, when rotating with impeller, clothing to the impeller center move upwards arrive the summit after, the mode of turning up with layered laminate is the bucket end in periphery is rolled and dropped to along inner barrel wall, be specially in the clothing switching process with the swing of impeller and rotate, center clothing evenly shake is turned to time outer ring, influenced by impeller, evenly shake by inferior outer ring again and be turned to outer ring once more, after being turned to inner barrel wall always, at the bottom of sliding into barrel along inner barrel wall, influenced to the impeller center by Zhu Li moves, washing machine is according to the variation of laundry load, to water level, rotating speed and wash time are made respective change so that clothing is finished complete rotary movement in the corresponding time.
The upset mode that clothing turns up with layered laminate is, with the impeller center is on the same circumference at center, clothing is a plurality of layered laminate and evenly distributes, outwards being the equally distributed clothing of a plurality of layered laminate on upset and the promotion outer periphery outwards overturns, promote upset successively up to outermost layer collision inner barrel wall, drop to the interior bucket end along inner barrel wall, laundry load is at below 60% of nominal load, overturn a time less than 1 minute, greater than nominal load 60% less than full load conditions, time of overturning is 1-3 minute, full load conditions, and the time of overturning is 4-5 minute.In the process of upset, clothing evenly distributes, and makes each upset, the arbitrary position of clothing can both with other clothing or impeller or interior bucket friction, clean ratio thereby improve.
Height of water level is 0.2～0.4 with interior barrel of diameter ratio during low load clothing, and rotating speed is 60-100 rev/min, and wash time is 8min～12min, and clothing flip-flop transition is 30s～1min; During the load clothing height of water level be 0.3～0.7 with interior barrel of diameter ratio, rotating speed is 70-120 rev/min, wash time is 9min～15min, clothing flip-flop transition is 1min～2min; Height of water level and interior bucket diameter ratio are 0.5～0.9 during the heavy duty clothing, and rotating speed is 80-140 rev/min, and wash time is 10min～25min, and clothing flip-flop transition is 2min～5min.
The clothing of the required increase of the every increase of described washing machine 1kg amount load mixes difference in height h with water
1Satisfy: h
1=(π D
2H-4V
1)/(K π D
2), so that contacting not exclusively with impeller, clothing floats, and wherein, D is interior bucket diameter, and h is the impeller height, V
1Be the impeller volume, K is an optimum load amount of placing clothing in the scope of impeller height between impeller and the interior bucket.
The water yield of adding when hanging down the load clothing is for surpassing agitation wheel for washing machine centre-height 80-150mm, in the water yield of adding during the load clothing for surpassing agitation wheel for washing machine centre-height 150-220mm, the water yield of adding during the heavy duty clothing is for surpassing agitation wheel for washing machine centre-height 220-300mm.This mode of washing can both better be saved slurry at the unequally loaded clothing.
The low load clothes weight of washing machine of the present invention is 0kg～2kg, and middle load clothes weight is 3kg～5kg, and the heavy duty clothes weight is 6kg～8kg.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
During washing machine washing clothes of the present invention, because the improvement of impeller structure, by the effect of impeller to clothing, forms of motion is no longer single, clothing arrives summit, impeller center from the impeller outside along impeller after, because clothing rises than higher, translate into barrel bottom in the outermost outward under gravity, centrifugal force and the effect of clothing on every side; The diameter ratio of impeller diameter and interior bucket be 0.6-0.8 in order to make clothing fall in interior bucket territory, base area, slow down the speed of rotating with impeller, increase clothing landing and the buffering that enters impeller simultaneously, make that the clothing upset cycle can be continuous; Friction evenly made the clothing uniformity greater than 95% when clothing moved in interior barrel, cleaned ratio greater than 0.9, and the clean ratio that has washing machine now is generally 0.7-0.8, and the uniformity is up to 80%; Because impeller is to the clothing power that also has certain effect, therefore clothing reduces the dependence of water, it is less to reach the washing agent consumption that the wash solution of same concentrations needs, the water-saving while has also been saved the consumption of washing agent relatively, reduced the pollution of draining, each washing probably can be saved the water of 30%-50%.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Description of drawings
Fig. 1 is washing machine inner tub of the present invention and impeller structure sectional schematic diagram;
Fig. 2 is a washing machine washing clothes upset track schematic diagram of the present invention;
Fig. 3 is the even moving rollover states schematic diagram of washing machine washing clothes of the present invention;
Fig. 4 is an impeller structure schematic diagram of the present invention;
Fig. 5 is an interior bucket perisporium tiling schematic diagram of the present invention;
Fig. 6 is an interior bucket bottom structure schematic diagram of the present invention;
Fig. 7 is a raised structures schematic diagram of the present invention;
Fig. 8 is that washing machine of the present invention adds laundry load and water level concerns schematic diagram;
Fig. 9 is the stressed schematic diagram of washing methods clothing of the present invention in impeller outside, interior bucket bottom;
Figure 10 be washing methods clothing of the present invention between two projections when zone stressed schematic diagram;
Figure 11 is that washing methods clothing of the present invention is along projection stressed schematic diagram when up move in the impeller center;
Figure 12 is that washing methods clothing of the present invention is along projection stressed schematic diagram when impeller center top moves;
Figure 13 is washing methods clothing of the present invention stressed schematic diagram when interior bucket bottom chamfer place down moves.
The specific embodiment
Washing machine of the present invention comprises the outer bucket that is filled with water, be located at the interior bucket 1 of placing clothing in the outer bucket, the drive unit that bucket and impeller rotate in rotating impeller 2 and the control, as depicted in figs. 1 and 2, impeller 2 is provided with the projection 3 that can guide clothing to move to the center, clothing to impeller center 4 move upwards arrive the summit after, the mode of turning up with layered laminate is the bucket end in periphery is rolled and dropped to along inner barrel wall, projection 3 is by the outwards radially radial distribution in impeller center 4, the upper surface of projection 3 from impeller center 4 bump pads with tangent mode outward step-down extend, intersecting at the lower on every side of impeller at last with arc, is 3mm-10mm (consulting Fig. 7) apart from the outer peripheral distance L of impeller.Thereby an interior bucket end perisporium circumference is evenly distributed with a plurality of clothings that can stop and rotates the projection 5 that changes the clothing moving direction fully with impeller, and the diameter ratio of impeller 2 diameters and interior bucket 1 is 0.6-0.8.The diameter ratio of impeller diameter and interior bucket is that 0.6-0.8 is in order to make clothing fall in interior bucket territory, base area, to slow down the speed of rotating with impeller, increase clothing landing and the buffering that enters impeller simultaneously, making that the clothing upset cycle can be continuous; The diameter ratio of impeller diameter of the present invention and interior bucket is preferably 0.65-0.75.
As shown in Figure 4, agitation wheel for washing machine 2 of the present invention be low around one, gradually to the disc-shaped structure of central elevation, described projection 3 has 3-6, the width of projection 3 is outwards more and more wideer from impeller center 4, the tail fin of the shape class whale fish of projection.The height of projection 3 at impeller center 4 is the 1/10-1/9 of impeller diameter, and projection 3 accounts for the 1/5-1/2 of the impeller gross area.The profile that described projection constitutes on impeller surface for the multi-section circular arc contact of a curve constitute at " eight " font structure that radially extends, the both sides of projection are the slope with the transition of impeller surface smoothing, the slope and in twos between the projection slanted angle between the impeller surface be 90 °～120 °, wherein the slanted angle apart from one section slope of impeller center 1/4-2/3 is 110 °～120 °.Impeller surface between the projection is provided with a plurality of through holes 6 in twos, according to radially and circumferencial direction evenly distribute to increase clothing and the stiction on impeller surface and the active force between change clothing and the current.Described through hole is a circular hole, and Circularhole diameter is 3mm-5mm, or described through hole is a slotted hole, and the slotted hole width is 3mm-5mm, and length-width ratio is 1.5-2.5.
As shown in Figure 7, the projection sloped sides is divided into outslope 31, intermediate ramp 32, interior slope 33 according to the distance at distance impeller center, outslope 31 and interior slope 33 are 100 °～110 ° with impeller surface tilt angle β, γ, and intermediate ramp 32 is 120 ° with impeller surface tilt angle θ.
Said structure makes clothing rotate at impeller under the water impact effect that forms better, produces during the frictional force of projection itself, motive force and impeller rotate under the centrifugal force acting in conjunction to clothing to move to the impeller center.
As shown in Figure 5, bucket 1 is rolled by the stainless steel tablet and to form in described, in the friction area of bucket perisporium when being provided with the inside die mould of multi-turn ring-type 7 and falling to increase clothing, be provided with ring-type uniform outside flange 8 and circular hole 9 or slotted hole between the twice annulars die mould 7, the all wall thickness of bucket are 0.4mm-1mm in described, the die mould degree of depth is 1mm-5mm, and the spacing in two holes is 10mm-15mm.This pressure-type structure has also reduced the time that clothing drops downwards when increasing friction area, reduce the clothing possibility that perisporium is piled up at the bottom of bucket, better realizes the complete upset of clothing.
As shown in Figure 6, the bucket bottom is provided with the groove 10 that mates with impeller in described, impeller is installed in this groove 10, and the groove periphery is an annular region 11, and projection 5 is uniformly distributed on the annular region, quantity is 3-12, because impeller rotates, clothing has the turnaround speed of rotating with impeller equally, can produce centripetal force in order better to reduce clothing again with the swing of impeller, general projection evenly is provided with the 8-12 piece, can make clothing obtain the angular speed that centripetal force can reduce the clothing swing again better.
As shown in Figure 2, the mode of washing of washing machine of the present invention is, in the laundry washer process, clothing is subjected to impeller centrifugal force, clothing and impeller active force, the influence of making a concerted effort of active force between clothing and bourn acting force and clothing and the clothing, when rotating with impeller, clothing to the impeller center move upwards arrive the summit after, the mode of turning up with layered laminate is the bucket end in periphery is rolled and dropped to along inner barrel wall, influenced to the impeller center by Zhu Li moves, washing machine is according to the variation of laundry load, to water level, rotating speed and wash time are made respective change so that clothing is finished complete rotary movement in the corresponding time.
In washing methods of the present invention, when clothing moves to 4 tops, impeller center, the clothing motion mode is, clothing moves upward along inertia, behind the of short duration upthrow do under the effect of centrifugal force and bottom clothing the transhipment of turning up moving in arriving barrel 1 perisporium away from the position at impeller center, clothing rotates the centripetal force that produces at interior bucket and reaches under the acting in conjunction of the downward pulling force of the clothing of its lower floor bucket 1 bottom in moving to then.Its movement locus as shown in Figure 2, in whole motion, each position of clothing is all carried out stressed and motion, and is stressed little but frequency is higher and relatively evenly.In washing process, periodic like this acting on, abrasive forces is little, and good to the removal effect of dirt, and above-mentioned motion is the motion mode that the size of laundry load amount and water consumption is presented when reaching best.
Particularly, above-mentioned clothing upset washing is divided into forward and backward half period of motion, preceding half period of motion is: when clothing during in interior bucket 1 bottom and away from the impeller central motion, clothing rotates under the water impact effect that forms at impeller 2, frictional force, motive force and the impellers 2 of projection 3 itself produce in rotating under the centrifugal force acting in conjunction to clothing, moves up to the top at impeller center 4 when rotating with impeller along projection 3.
Half period of motion of back is: move in the process at 4 tops, impeller center the thrust that makes progress that the clothing that will move upward below it is subjected to gives and the percussion of current at clothing; When clothing moves to 4 tops, impeller center, it continues to move upward owing to inertia, simultaneously it is subjected to self gravity effect and the centrifugal force that produces in rotating of the pulling force that gives of the following clothing that has fallen and torsion and impeller, clothing do behind the of short duration upthrow outside flip-flop movement in arriving barrel 1 bottom away from the position at impeller center.
Shown in Fig. 9-13, clothing is stressed the having nothing in common with each other in diverse location place of the interior bucket end and impeller, and its concrete analysis is as follows.
A, when impeller 2 outsides of clothing in interior bucket 1 bottom, clothing is subjected to make the stiction Δ F from impeller 2 of clothing along with the impeller motion
Static friction, the active force Δ F that comes from the clothing on impeller 2 that clothing is moved upward
Clothing, make clothing that inside bucket bottom and the interior barrel rim active force Δ F from the current between impeller 2 and interior bucket 1 that overflow that stirred by impeller 2 along movement tendency be arranged
Water, stop the clothing movement tendency from the frictional force Δ F between clothing and the interior bucket 1
Friction Power, the active force that closes gravity G of clothing self and vertical clothing on it.Buoyancy Δ F
FloatingMinimum to the clothing motion effects herein, can ignore, as shown in Figure 9, impeller clockwise rotates, and clothing institute is stressed to be:
Δ F
Close=Δ F
Frictional force+ Δ F
Static friction+ Δ F
Water+ Δ F
Clothing+ G
This moment, the movement locus of clothing was, moved upward along impeller 2 when clothing rotates with impeller 2.
B, when clothing when zone between two projections 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
Clothing+ G+ Δ F
Floating
Δ F
Frictional forceBe the frictional force that the lower clothing of vertical height gives, Δ F
FromBe the centrifugal force that impeller 2 forms in rotating process, Δ F
Push awayBe the thrust of 3 pairs of clothings of projection, Δ F
Static frictionFor impeller 2 gives the stiction of clothing, Δ F in the process that starts
WaterBe the active force of the current of formation under impeller 2 promotions, Δ F
ClothingBe torsion and the resistance that the higher clothing of vertical height gives, G is a vertical height than the gravity that closes of its high clothing and self.Impeller 2 stops and starting what do not stop in the washing process, gives clothing from the effect that the stiction of impeller 2 does not stop, and makes it continue to move upward, stressing conditions as shown in figure 10, this state is that impeller clockwise rotates.
C, when clothing when projection 3 is up moved by export-oriented center, it is stressed to be:
Δ F
Close=Δ F
Frictional force+ Δ F
Static friction+ Δ F
Water+ Δ F
Clothing+ 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 clothing on every side, G for himself and vertical height than it high and press thereon clothing close gravity, the thrust Δ F that makes progress that leans on following clothing to give in this process
Push awayWith the stiction Δ F of impeller 2 in starting
Static friction, the active force Δ F of current
Water, Δ F
ClothingBe torsion and the resistance that the higher clothing of vertical height gives, Δ F
FromFor rotate the centrifugal force of generation, Δ F along with impeller
The impeller leafBe the thrust that projection gives, be subjected to the effect of these power that clothing is up moved, stressing conditions as shown in figure 11, this state is that impeller rotates counterclockwise.
D, when clothing along projection 3 when impeller center 4 tops move, it is stressed to be:
Δ F
Close=Δ F
Frictional force+ G+ Δ F
Push away+ Δ F
From+ Δ F
Clothing+ Δ F
Water
Frictional force Δ F herein
Frictional forceBe the frictional force that impeller 2 is given clothing, because clothing will break away from impeller 2, frictional force is very little, the thrust Δ F that makes progress that clothing is given by following clothing mainly
Clothing, rotate the Δ F that produces with impeller
FromThe thrust Δ F that gives with projection
Push away, Δ F
WaterBe impact force of water flow, clothing keeps this movement tendency, until breaking away from impeller 2; Clothing breaks away from impeller when moving to top, because the gravity effect of self, clothing is done of short duration similar projectile motion; Because each other thrust and tension between the clothing, the outer ring clothing has just outwards overturn and has not also run into inner barrel wall, and another part clothing turns up by the center is stressed again, promotes this outer ring and outwards continues, by that analogy, final formation by center outside enclosed shake upset successively; Outmost turns is rotated the inner barrel wall place that moves under the centrifugal action that produces away from the impeller center in the effect of clothing with along with the ripple road, stressing conditions as shown in figure 12, this state is that impeller rotates counterclockwise.
E, after clothing falls, it down moves along interior bucket 1 bottom chamfer place, clothing is subjected to the pulling force Δ F that vertical height is lower than its clothing
Draw, vertical height is higher than the pressure Δ F of its clothing
PressWith the centripetal force Δ F in the interior bucket rotation process
To, clothing is subjected to the Δ F that makes a concerted effort under oblique herein
CloseEffect, until interior bucket 1 bottom, stressing conditions as shown in figure 13, this state is that impeller rotates counterclockwise.
By the description of five processes of above-mentioned A-E, can draw a complete movement locus of clothing, as shown in Figure 2.
As shown in Figure 3, the upset mode that clothing of the present invention turns up with layered laminate is, with the impeller center is on the same circumference at center, clothing is a plurality of layered laminate and evenly distributes, outwards being the equally distributed clothing of a plurality of folded cloud forms on upset and the promotion outer periphery outwards overturns, promote upset successively up to outermost layer collision inner barrel wall, drop to the interior bucket end along inner barrel wall, laundry load is at below 60% of nominal load, overturn a time less than 1 minute, greater than nominal load 60% less than full load conditions, the time of overturning is 1min-3min, full load conditions, the time of overturning is 4min-5min.In the process of upset, clothing evenly distributes, and makes each upset, the arbitrary position of clothing can both with other clothing or impeller or interior bucket friction, clean ratio thereby improve.
Height of water level is 0.2～0.4 with interior barrel of diameter ratio during low load clothing, and rotating speed is 60-100 rev/min, and wash time is 8min～12min, and clothing flip-flop transition is 30s～1min; During the load clothing height of water level be 0.3～0.7 with interior barrel of diameter ratio, rotating speed is 70-120 rev/min, wash time is 9min～15min, clothing flip-flop transition is 1min～2min; Height of water level and interior bucket diameter ratio are 0.5～0.9 during the heavy duty clothing, and rotating speed is 80-140 rev/min, and wash time is 10min～25min, and clothing flip-flop transition is 2min～5min.For example shown in the following table:
Mode of washing of the present invention does not need high water level, as long as slurry can soak clothing, when floating clothing, also can realize in enough water the high efficiency washing, generally according to the load capacity of clothing input, the clothing of the required increase of the every increase of described washing machine 1kg amount load mixes difference in height h with water
1Satisfy: h
1=(π D
2H-4V
1)/(K π D
2), so that contacting not exclusively with impeller, clothing floats, and wherein, D is interior bucket diameter, and h is the impeller height, V
1Be the impeller volume, K is an optimum load amount of placing clothing in the scope of impeller height between impeller and the interior bucket.
As shown in Figure 8, the interior bucket and the impeller schematic diagram of washing machine, interior bucket diameter D is 472mm, impeller height h is 98mm, impeller volume V
1Be 3020760mm
3, volume is V between impeller and the interior bucket
2, the volume that the clothing that increasing 1kg amount load clothing needs mixes with water is V
3, it is h that increase 1kg amount load clothing needs clothing to mix difference in height with water
1, calculate:
V
2＝π(D/2)
2＝3.14*(472/2)*(472/2)*98-302070＝16836703mm
3
Actual V
2Optimum load amount is 2kg in the space, draw every kg load mix with water the back optimum capacity be V
3=V
2/ 2=8418351mm
3
The above height of water level in corresponding impeller top is h
1=4*V
3/ (3.14*472*472)=4*8418351/ (3.14*472*472)=48.14mm, and promptly more than the impeller top, every increase 1kg load clothing, the corresponding average rising 48.14mm that clothing mixes with water.
Concrete, the water yield of adding when hanging down the load clothing is for surpassing agitation wheel for washing machine centre-height 80-150mm, in the water yield of adding during the load clothing for surpassing agitation wheel for washing machine centre-height 150-220mm, the water yield of adding during the heavy duty clothing is for surpassing agitation wheel for washing machine centre-height 220-300mm.This mode of washing can both better be saved slurry at the unequally loaded clothing.Calculate the ratio such as the following table of the height of water level and the interior bucket diameter of every kg load:
During washing machine washing clothes of the present invention, by the effect of impeller to clothing, forms of motion is no longer single, and washing evenly; Friction evenly made the clothing uniformity greater than 95% when clothing moved in interior barrel, cleaned ratio greater than 0.9, and the clean ratio that has washing machine now is generally 0.7-0.8, and the uniformity is up to 80%; Because impeller is to the clothing power that also has certain effect, therefore clothing reduces the dependence of water, it is less to reach the washing agent consumption that the wash solution of same concentrations needs, the water-saving while has also been saved the consumption of washing agent relatively, reduced the pollution of draining, each washing probably can be saved the water of 30%-50%.
Claims (9)
1. one kind has the even moving washing machine that overturns of clothing, comprise the outer bucket that is filled with water, be located at the interior bucket of placing clothing in the outer bucket, the drive unit that bucket and impeller rotate in rotating impeller and the control, it is characterized in that: impeller is provided with the projection that can guide clothing to move to the center, even moving be meant clothing to the impeller center move upwards arrive the summit after, with the even shake mode of turning up barrel end in periphery is rolled and dropped to along inner barrel wall of layered laminate, projection is by the outwards radially radial distribution in impeller center, the upper surface of projection is sentenced the step-down extension outward of tangent mode from the impeller central elevation, the profile that projection constitutes on impeller surface for the multi-section circular arc contact of a curve constitute at " eight " font structure that radially extends, the both sides of projection are the slope with the transition of impeller surface smoothing, the slope and in twos between the projection slanted angle between the impeller surface be 90 °～120 °, wherein the slanted angle apart from one section slope of impeller center 1/4-2/3 is 110 °～120 °, thereby an interior bucket end perisporium circumference is evenly distributed with a plurality of clothings that can stop and rotates the projection that changes the clothing moving direction with impeller fully, the diameter ratio of impeller diameter and interior bucket is 0.6-0.8, make that the swing with impeller is rotated in the clothing switching process, the center clothing is turned to time outer ring, influenced by impeller, be turned to outer ring once more by the shake of inferior outer ring again, after being turned to inner barrel wall, at the bottom of sliding into barrel along inner barrel wall always.
2. the washing machine with the even moving upset of clothing according to claim 1, it is characterized in that: described agitation wheel for washing machine be low around one, gradually to the disc-shaped structure of central elevation, described projection has 3-6, the width of projection therefrom mind-set is more and more wideer outward, the height of projection at the impeller center is the 1/10-1/9 of impeller diameter, and projection accounts for the 1/5-1/2 of the impeller gross area.
3. the washing machine with the even moving upset of clothing according to claim 1, it is characterized in that: bucket is rolled by the stainless steel tablet and forms in described, in the friction area of bucket perisporium when being provided with the inside die mould of multi-turn ring-type and falling to increase clothing, be provided with ring-type uniform outside flange and circular hole or slotted hole between the twice annular die mould.
4. the washing machine with the even moving upset of clothing according to claim 1, it is characterized in that: the bucket bottom is provided with the groove that mates with impeller in described, and impeller is installed in this groove, and the groove periphery is an annular region, projection is uniformly distributed on the annular region, and quantity is 3-12.
One kind as claim 1-4 arbitrary as described in the mode of washing of washing machine, it is characterized in that: in the laundry washer process, clothing is subjected to impeller centrifugal force, clothing and impeller active force, the influence of making a concerted effort of active force between clothing and bourn acting force and clothing and the clothing, when rotating with impeller, clothing to the impeller center move upwards arrive the summit after, the mode of turning up with layered laminate is the bucket end in periphery is rolled and dropped to along inner barrel wall, be specially in the clothing switching process with the swing of impeller and rotate, center clothing evenly shake is turned to time outer ring, influenced by impeller, evenly shake by inferior outer ring again and be turned to outer ring once more, after being turned to inner barrel wall always, at the bottom of sliding into barrel along inner barrel wall, influenced to the impeller center by Zhu Li moves, washing machine is according to the variation of laundry load, to water level, rotating speed and wash time are made respective change so that clothing is finished complete rotary movement in the corresponding time.
6. mode of washing according to claim 5, it is characterized in that: the upset mode that clothing turns up with layered laminate is, with the impeller center is on the same circumference at center, clothing is a plurality of layered laminate and evenly distributes, outwards being the equally distributed clothing of a plurality of layered laminate on upset and the promotion outer periphery outwards overturns, promote upset successively up to outermost layer collision inner barrel wall, drop to the interior bucket end along inner barrel wall, laundry load is at below 60% of nominal load, overturn a time less than 1 minute, greater than nominal load 60% less than full load conditions, the time of overturning is 1min-3min, full load conditions, the time of overturning is 4min-5min.
7. mode of washing according to claim 5 is characterized in that: height of water level is 0.2～0.4 with interior barrel of diameter ratio during low load clothing, and rotating speed is 60-100 rev/min, and wash time is 8min～12min, and clothing flip-flop transition is 30s～1min; During the load clothing height of water level be 0.3～0.7 with interior barrel of diameter ratio, rotating speed is 70-120 rev/min, wash time is 9min～15min, clothing flip-flop transition is 1min～2min; Height of water level and interior bucket diameter ratio are 0.5～0.9 during the heavy duty clothing, and rotating speed is 80-140 rev/min, and wash time is 10min～25min, and clothing flip-flop transition is 2min～5min.
8. mode of washing according to claim 5 is characterized in that: the clothing of the required increase of the every increase of described washing machine 1kg amount load mixes difference in height h with water
1Satisfy: h
1=(π D
2H-4V
1)/(K π D
2), so that contacting not exclusively with impeller, clothing floats, and wherein, D is interior bucket diameter, and h is the impeller height, V
1Be the impeller volume, K is an optimum load amount of placing clothing in the scope of impeller height between impeller and the interior bucket.
9. mode of washing according to claim 8, it is characterized in that: the water yield of adding when hanging down the load clothing is for surpassing agitation wheel for washing machine centre-height 80mm-150mm, in the water yield of adding during the load clothing for surpassing agitation wheel for washing machine centre-height 150mm-220mm, the water yield of adding during the heavy duty clothing is for surpassing agitation wheel for washing machine centre-height 220mm-300mm.
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| CN201010601605 | 2010-12-23 | ||
| CN201010601605.8 | 2010-12-23 | ||
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| CN105951365A (en) * | 2016-06-16 | 2016-09-21 | 无锡小天鹅股份有限公司 | Outer bucket of pulsator washing machine and pulsator washing machine with same |
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Effective date of registration: 20160621 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. |