CN102242483B - A kind of dewatering control method for washing machine - Google Patents
A kind of dewatering control method for washing machine Download PDFInfo
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Abstract
The invention discloses a kind of dewatering control method for washing machine, the method, for after the washing stage terminates, controls to perform the following stage: first, shaking loose the even cloth stage, cylindric washer is to accelerate to distribution phase after forward and reverse even cloth rotational speed；Secondly, distribution phase, including distribution rotational speed, distribution of pulses rotational speed, distribution three steps of rotational speed, wherein it is required to detect amount of unbalance during former and later two distribution rotational speed, if amount of unbalance meets requirement, directly perform the later step of respective step, if amount of unbalance is unsatisfactory for requiring, perform redistribution；Again, pulse dries the stage, including the pulse drying step of multiple different rotating speeds, is required to detect amount of unbalance in each pulse drying step, if amount of unbalance meets requirement, directly perform the later step that respective different rotating speeds pulse dries, if amount of unbalance is unsatisfactory for requiring, perform redistribution；Finally, finally dry the stage, control maximum speed and complete clothes dewatering.
Description
Technical field
The present invention relates to a kind of control method for washing machine, especially a kind of control rotating speed is equally distributed to improve medicated clothing
Dewatering control method for washing machine.
Background technology
Along with the continuous increase of washing machine customer group, distribution and the drying process of existing washing machine are the longest, and are difficult to
It is evenly distributed, easily causes skewness and cause drying the problems such as big, the displacement of vibration, bring very big inconvenience to user.
Owing to washing machine exists vibration component and two resonance points of fixed component, even if avoiding vibrations when washing machine low speed dries
The resonance point of parts, reaches the resonance of fixed component when drying at a high speed and also can form the biggest noise.
If all taking low speed to dry mode, needing that again drying distribution is repeated and eccentricity values detects, avoiding low speed
The cost of resonance point is that washing time extends, power consumption rises.
Such as a distribution control method of applicant earlier application, Application No. CN200810187976.9,
Entitled method for distribution control of drum type washing machine before drying clothes, its solution is by bleeding stage, successively
By the medium speed after the slow-speed of revolution of bleeding stage rotating, same direction rotate the rapid increase stage and upper rank
High rotating speed after the section slow ascent stage of equidirectional, after this high stabilization of speed, it is determined that amount of unbalance size, when
When amount of unbalance is more than or equal to the severe amount of unbalance of program setting, rotating speed drops to slow-speed of revolution during draining, rotates
After 5～6 seconds, start redistribution from second stage, when continuous distribution is still unsatisfactory for impulsive condition three times, by first
Stage restarts distribution；It is directly entered predrainage when amount of unbalance is less than severe amount of unbalance and dries the stage.
Prior art with above-mentioned earlier application as representative, is distributed and the drying stage is all or part of at washings
Carry out after discharge.And practical situation is, after washings are discharged, medicated clothing is prone to inside inner core occur local accumulation,
It is extremely difficult to be uniformly distributed when inner cylinder rotating.
If implementing repeatedly to be distributed, choose less eccentricity value as standard, after eccentricity detecting reaches requirement again with
It is carried out at high speed drying, the resonance problem of the parts such as shell often occurs.
Additionally roller washing machine distribution curve is undesirable, for those water suction is many and medicated clothing that surface area is little (as bath towel,
Woollen sweater etc.) it is more difficult to realization and is uniformly distributed.The most sometimes also reach eccentricity detecting through distribution for a long time to want
Asking, long-time use also results in inner cylinder rotating and extremely or shifts.
Conventional washer directly carries out pulse drying under distribution rotational speed state, the most likely below appearance
Problem: a, when in bucket load medicated clothing material difference time, although be distributed very well under distribution, but pulse dry add
Load medicated clothing water outlet during speed the most different, load, in thus causing bucket, the bias that medicated clothing causes because water yield is different,
Thus cause drying the problems such as vibration big, complete machine rocks, displacement；Load medicated clothing distribution situation shown in b, Fig. 1 d,
Under distribution rotating speed, one piece of medicated clothing of middle existence, because being not exclusively affixed on cylinder, and cause can't detect what it brought
Amount of unbalance, this kind of state directly carries out pulse drying, and middle medicated clothing is affixed on certain position of cylinder, will bring tight
The imbalance of weight, complete machine not only vibrates greatly, even can damaged structure.
The Chinese patent of Application No. 200510106136.1 disclose a kind of homogenization method, eccentric detection method and
Dehydration controlling method, gathers cylinder and revolves, with 72～85RPM rotating speeds, the middle rotation speed change caused because of bias that turns around, right
The carrying out of eccentric degree detects.And the machine 72～85RPM run well, medicated clothing is attached on bucket the most completely, now
The rotating speed of detection is the most inaccurate.When bucket up climbs with medicated clothing, medicated clothing and bucket are one；And bucket top crossed by medicated clothing
Being free state when subordinate drops, almost do not contact with bucket, the impact that bucket is rotated by load medicated clothing is attached on bucket more entirely
Affecting little, detect in this case, data out are inaccurate.This control method is with 300RPM
Left and right rotating speed carries out predrainage, and this is also irrational.The structure of each machine is different, these corresponding rotating speeds
Being all different, all there is resonance point at 250RPM～400RPM in major part machine, designs during various rotating speed necessary
First consider the structure of machine, avoid resonance point, and can not be stuck in some value by it.
In view of this special proposition 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, it is provided that one can be evenly distributed,
Reduce bias, reduce vibration, improve dehydration quality, can take off by maximized washing machine time-consuming, power saving again
Water controling method.
For solving above-mentioned technical problem, the present invention uses the basic conception of technical scheme to be: a kind of laundry machine dehydration control
Method processed, the method is after the washing stage terminates, the control execution following stage:
First, shaking loose the even cloth stage, cylindric washer is to accelerate to distribution phase after forward and reverse even cloth rotational speed；
Secondly, distribution phase, including distribution rotational speed, distribution of pulses rotational speed, distribution rotational speed three
Step, wherein is required to detect amount of unbalance during former and later two distribution rotational speed, wants if amount of unbalance meets
Seek the later step then directly performing respective step, if amount of unbalance is unsatisfactory for requiring, perform redistribution；
Again, pulse dries the stage, including the pulse drying step of multiple different rotating speeds, each pulse drying step
In be required to detect amount of unbalance, if amount of unbalance meets requirement, directly perform respective different rotating speeds pulse dry
Later step, if amount of unbalance is unsatisfactory for requiring, performs redistribution；
Finally, finally dry the stage, control maximum speed and complete clothes dewatering.
Described shakes loose the even cloth stage, and cylindric washer is the most all respectively rotating once with even cloth rotating speed, first
After clockwise counterclockwise, each direction rotation time is not more than 5s, and even cloth rotating speed is 60～75rpm, preferably 65rpm.
Described redistribution is the repetitive cycling distribution being made up of the most in order three distributions, redistributes every time
Being started by second time distribution, second time is distributed as, and first by rotating speed reduction of speed to 0, then rotates counterclockwise and reaches to shake loose
The even cloth rotating speed in even cloth stage, then perform the distribution rotational speed of distribution phase and detect amount of unbalance, amount of unbalance
Meet and when requiring, perform later step, it is impossible to meet and when requiring, perform third time distribution, third time distribution and second time
Being distributed identical, when third time is distributed also backlog demand, rotating speed starts to follow from distribution for the first time after reducing to 0 again
Ring, counterclockwise after being distributed as first even cloth rotating speed clockwise for the first time, accelerate immediately after even cloth rotational speed counterclockwise
To distribution rotating speed.
If the pulse that the step performed after Chong Xinfenbu is variant rotating speed dries and last drying, then, weight
The complete phase of acceleration when performing described various drying it is distributed after meeting amount of unbalance requirement for arbitrary time during new distributing
With.
If the step performed after Chong Xinfenbu is distribution of pulses rotational speed, then, three distributions in redistribution
Corresponding is the most different to the acceleration of distribution of pulses rotating speed by distribution rotating speed, the acceleration performed after distribution for the first time is good
A1, the acceleration a2 performed after second time distribution is good, acceleration a3, the a1 ＞ a2 ＞ a3 performed after third time distribution is good.
Described pulse dries the stage, includes that low speed pulse drying and middling speed pulse dry successively, and low speed pulse dries
The range of speeds: 350～450rpm, preferably 400rpm, the middling speed pulse drying range of speeds: 550～650rpm,
It is preferably 600rpm.
Described cylindric washer controls in each stage rotation process in dehydration, except shaking loose even cloth stage and redistribution
First rotating once with the most each in distributed process for the first time, remaining is all according to counterclockwise
Rotate.
Described distribution rotating speed is 85～105rpm, and distribution of pulses rotating speed is 120～250rpm.
Described maximum speed is 800～2000rpm, drives power of motor and washing machine according to existing washing machine
Wash volume, typically up to rotating speed control 800～1800rpm.Relative, rotary drum washing machine, do not have
Its maximum speed of rotary drum washing machine of standby direct driving motor is relatively low, and uses the washing machine of direct driving motor, especially
The maximum speed of roller washing machine controls 1500～1800rpm.
The rotating speed of each stage wash cylinder and acceleration according to driving motor, the cylindric washer capacity of washing machine and are dehydrated every time
Medicated clothing material, the different set of weight.
After using technique scheme, the present invention compared with prior art has the advantages that.
Shake loose the reason that the even cloth stage is so designed that: a, be beneficial to distribution；B, time-consuming, enter distribution quickly
Stage.The evenest cloth of conventional washer rotates and distribution and drying below can not be brought any benefit, and
If be a bath towel or towelling coverlet even load medicated clothing in cylindric washer, slowly run for a long time and be easily wound in a roll,
It is unfavorable for distribution below and drying.And rotation wastes the plenty of time the most clockwise and anticlockwise.
Distribution of pulses of the present invention, will load medicated clothing in the water yield discharge a part, be so that medicated clothing more
It is affixed on well on washing barrel, is reduced to the most again be distributed rotational speed, again detect and judge uneven value,
Situation according to amount of unbalance judges whether to perform pulse below and dries, it is to avoid such as the generation of problem in Fig. 1 d.
To sum up, dewatering control method for washing machine of the present invention saves dewatering time；Improve distributed effect,
Avoid the abnormal vibrations because bias produces, noise, and then dehydration quality can be improved, extend bearing, vibroshock longevity
Life.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Accompanying drawing explanation
Indicating the load medicated clothing various distributions in cylindric washer in Fig. 1 a-1d, Fig. 1 a represents side counterclockwise
To low speed even cloth state, Fig. 1 b represents the process that even cloth rotating speed accelerates to distribution rotating speed, and Fig. 1 c represents distribution rotating speed
State during rotation, Fig. 1 d represents that load medicated clothing distributed process medicated clothing distribution is incorrect but detection amount of unbalance meets
The state required；
Fig. 2 is the water desorption curve schematic diagram that dehydration controlling method of the present invention is corresponding；
Fig. 3 is distribution curve schematic diagram of the present invention.
Detailed description of the invention
As shown in Figures 2 and 3, dehydration controlling method of the present invention mainly divides three stage control: distributed controll, pulse
Drying and control, finally dry control, wherein distributed controll is divided into the most again and shakes loose even cloth stage and distribution phase, i.e.
First stage in curve and second stage as shown in Figure 2.
For water desorption curve, it is described in detail below:
First stage, shake loose the even cloth stage, of the present invention shake loose the even cloth stage and be distributed with existing laundry machine dehydration
Mode is different, existing washing machine dry need to carry out repeatedly be rotated such that medicated clothing uniformly divides clockwise and anticlockwise
Cloth, shakes loose even cloth stage wash cylinder and only rotates once in positive and negative both direction, and strictly control in the present invention
Rotation direction, i.e. first rear counterclockwise, each rotation time is the shortest, within being preferably controlled in 5s, in the inverse time
Pin even cloth rotating speed Va accelerates to be distributed the distribution phase of rotating speed Vb entrance second stage immediately and is distributed after rotating,
And judge amount of unbalance.
Shaking loose the even cloth stage, shaking loose even cloth rotating speed Va is 60～75rpm, is preferably arranged to 65rpm.
Shake loose the reason that the even cloth stage is so designed that: one is beneficially to be distributed；Two is time-consuming, it is possible to enter quickly
Enter distribution phase.It is any good that distribution and drying below can not be brought by the evenest cloth rotation of existing washing machine
Place, and if when being a bath towel or towelling coverlet even load medicated clothing in cylindric washer, slowly run for a long time easily by it
It is wound in a roll, is unfavorable for distribution below and drying；And when rotation wastes a large amount of the most clockwise and anticlockwise
Between.
Second stage, distribution phase, distribution phase of the present invention is to add pulse in existing washing machine distribution phase
Distribution, i.e. distribution phase are set to " distribution rotational speed distribution of pulses rotational speed distribution rotational speed " three
Individual step.Wherein former and later two distributions rotating speed Vb can detect amount of unbalance, as previous distribution rotating speed Vb when rotating
Under rotary state, amount of unbalance meets and just can carry out distribution of pulses rotating speed Vc when requiring and rotate, and amount of unbalance cannot meet
During requirement, need redistribution；Detect amount of unbalance under later distribution rotating speed Vb rotary state, work as amount of unbalance
Meet when requiring, carry out next stage pulse drying, it is impossible to meet redistribution when requiring.One or many is again
After distribution, amount of unbalance meets when requiring, performs respective subsequent step the most respectively, and the most previous distribution rotating speed Vb turns
The dynamic distribution of pulses rotating speed Vc that performs afterwards rotates, and later distribution rotating speed Vb performs next stage pulse after rotating
Dry.
The distribution of pulses rotating speed Vc of distribution phase of the present invention is 120～250rpm, and this is according to the knot of actual washing machine
Structure feature and optimum speed is set, principle is to avoid low speed resonance point.
If washing machine directly carries out pulse drying when being i.e. distributed rotational speed under Fig. 1 c state, the most likely
Problems with occurs: one, when loading medicated clothing material difference in bucket, although be distributed very well under distribution, but
It is the most different that pulse dries load medicated clothing water outlet during accelerating, and in thus causing bucket, load medicated clothing is because water yield is different
The bias caused, thus cause drying the problems such as vibration big, complete machine rocks, displacement；Two, occur shown in Fig. 1 d
Load medicated clothing distribution situation, under distribution rotating speed, one piece of medicated clothing of middle existence, because being not exclusively affixed on cylinder, and lead
Causing to can't detect its amount of unbalance brought, this kind of state directly carries out pulse drying, and middle medicated clothing is affixed on cylinder
Certain position, will bring serious imbalance, and complete machine not only vibrates greatly, even can damaged structure.
The distribution of pulses of distribution phase of the present invention design can avoid the generation of the problems referred to above.Distribution of pulses is to bear
In carrying medicated clothing, the water yield discharges a part, must be affixed on barrel also for medicated clothing is more preferable, is reduced to distribution the most again and turns
Speed Vb rotates, and again detects and judges uneven value, judge whether to perform according to the situation of amount of unbalance after
Pulse dry.
Phase III, pulse dries the stage, includes that low speed pulse drying and middling speed pulse dry successively, low speed pulse
Dry rotating speed Vd scope: 350～450rpm, preferably 400rpm, middling speed pulse dry rotating speed Ve scope: 550～
650rpm, preferably 600rpm.
Fourth stage, finally dries the stage, uses constant maximum speed Vf to rotate counterclockwise, described the highest turn
Speed Vf is 800～2000rpm, according to driving power of motor and the wash volume of washing machine of existing washing machine, typically
Maximum speed controls 800～1800rpm.
As it is shown on figure 3, be distribution curve, it be included in amount of unbalance and cannot meet redistribution when requiring,
In two-stage and phase III detect amount of unbalance, when amount of unbalance meet require time, direct acceleration next step
Suddenly (the A curve refering in Fig. 3)；When amount of unbalance cannot meet require time, re-start distribution.Again divide
During cloth, first carry out the second time distribution shown in figure, as it is shown on figure 3, by distribution rotating speed reduction of speed above to 0 (ginseng
Read the B curve in Fig. 3), then it is rotated up to even cloth rotating speed Va rotation counterclockwise, perform distribution rotating speed Vb the most again
Rotating and detect amount of unbalance, amount of unbalance meets and performs follow-up step when requiring, it is impossible to meets and performs when requiring
Third time distribution, third time distribution is distributed identical with second time.When third time is distributed also backlog demand, rotating speed
Restart after reducing to 0 to rotate clockwise, start the cycle over from distribution for the first time, be distributed as the evenest for the first time
After cloth rotating speed Va counterclockwise, accelerate to immediately be distributed rotating speed Vb after even cloth rotating speed Va counterclockwise rotates.
Water desorption curve of the present invention has four amount of unbalance detection-phases, the respectively pulse of water desorption curve second stage to divide
Before amount of unbalances detection of former and later two distribution rotational speed processes of cloth and the middling speed pulse of phase III dry and
Amount of unbalance detection before rear drying, the amount of unbalance of distribution detection everywhere is adopted as shown in Figure 2 and is represented by dashed line, i.e.
Perform next step when the amount of unbalance detected meets and requires, and amount of unbalance cannot meet when requiring, then
Needs re-start distribution and detection amount of unbalance.Owing to being distributed rotational speed process before the distribution of pulses of second stage
Amount of unbalance detection, enter after the even cloth stage after distribution rotating speed not for shaking loose of first stage in water desorption curve
Aequum detects, if therefore through being repeatedly distributed at this, then distribution curve is identical with curve shown in Fig. 3；Other are three years old
Place's amount of unbalance detection redistributes when being unsatisfactory for requiring then according to second time distribution, third time distribution, first time point
Cloth, second time distribution circulation.
For the amount of unbalance detection distribution before low speed pulse drying, middling speed pulse drying and last drying,
That is, the step performed after redistribution is low speed pulse drying, middling speed pulse drying or last drying, then weigh
In three distributions in new distributing, arbitrary distribution meets acceleration when performing described various drying after amount of unbalance requires
Spend identical.And distributed process, then, three in redistribution are detected for the amount of unbalance before distribution of pulses
Corresponding the most different to the acceleration of distribution of pulses rotating speed by distribution rotating speed of secondary distribution, correspond to respectively: for the first time point
The acceleration a1 performed after cloth is good, the acceleration a2 performed after second time distribution is good, perform after third time distribution is good
Acceleration a3, has a1 ＞ a2 ＞ a3.It is different that medicated clothing water outlet can be preferably avoided as shown in Figure 1 d or be loaded in this setting
And the imbalance caused and the variety of problems caused.
In water desorption curve of the present invention the rotating speed of each stage wash cylinder and acceleration according to the driving motor of washing machine,
Cylindric washer capacity and each spun laundry material, the different set of weight.Dehydration controlling method of the present invention is fitted
Closing and have all kinds of dehydrating function and the washing machine of model, above-mentioned data are only to be preferable to carry out the present invention
Example is described, and is not defined the spirit and scope of the present invention, before without departing from design philosophy of the present invention
Put, the various changes and modifications that technical scheme is made by those skilled in the art, belong to this
Bright protection domain.
Claims (10)
1. a dewatering control method for washing machine, it is characterised in that: the method, for after the washing stage terminates, controls
Perform the following stage:
First, shaking loose the even cloth stage, cylindric washer is to accelerate to distribution phase after forward and reverse even cloth rotational speed；
Secondly, distribution phase, including distribution rotational speed, distribution of pulses rotational speed, distribution rotational speed three
Step, wherein is required to detect amount of unbalance during former and later two distribution rotational speed, wants if amount of unbalance meets
Seek the later step then directly performing respective step, if amount of unbalance is unsatisfactory for requiring, perform redistribution；
Again, pulse dries the stage, including the pulse drying step of multiple different rotating speeds, each pulse drying step
In be required to detect amount of unbalance, if amount of unbalance meets requirement, directly perform respective different rotating speeds pulse dry
Later step, if amount of unbalance is unsatisfactory for requiring, performs redistribution；
Finally, finally dry the stage, control maximum speed and complete clothes dewatering.
A kind of dewatering control method for washing machine the most according to claim 1, it is characterised in that: described shakes loose
In the even cloth stage, cylindric washer is the most all respectively rotating once with even cloth rotating speed, rear counterclockwise,
Each direction rotation time is not more than 5s, and even cloth rotating speed is 60～75rpm.
A kind of dewatering control method for washing machine the most according to claim 1, it is characterised in that: described again
Distribution is the repetitive cycling distribution being made up of the most in order three distributions, and redistribution is by second time distribution every time
Starting, second time is distributed as, and first by rotating speed reduction of speed to 0, then rotates counterclockwise the even cloth reaching to shake loose the even cloth stage
Rotating speed, then perform the distribution rotational speed of distribution phase and detect amount of unbalance, amount of unbalance meets execution when requiring
Later step, it is impossible to meet and perform third time distribution when requiring, third time distribution be distributed for the second time identical, when the
Be distributed for three times also backlog demand time, rotating speed starts the cycle over from for the first time distribution after reducing to 0 again, distribution for the first time
For counterclockwise after first even cloth rotating speed clockwise, accelerate to immediately be distributed rotating speed after even cloth rotational speed counterclockwise.
A kind of dewatering control method for washing machine the most according to claim 3, it is characterised in that: if redistribution
The step performed afterwards is that the pulse of variant rotating speed dries and last drying, then arbitrary during redistribution
Secondary distribution perform after meeting amount of unbalance requirement various dry time acceleration identical.
A kind of dewatering control method for washing machine the most according to claim 3, it is characterised in that: if redistribution
The step performed afterwards is distribution of pulses rotational speed, then the distribution of three times in redistribution corresponding by distribution rotating speed
Acceleration a1 that are the most different to the acceleration of distribution of pulses rotating speed, that perform after distribution for the first time is good, second time is distributed
The acceleration a2 of rear execution, the acceleration a3, a1 performed after third time distribution is good > a2 > a3.
A kind of dewatering control method for washing machine the most according to claim 1, it is characterised in that: described pulse
In the drying stage, including that low speed pulse drying and middling speed pulse dry successively, low speed pulse dries the range of speeds: 350～
450rpm, the middling speed pulse drying range of speeds: 550～650rpm.
A kind of dewatering control method for washing machine the most according to claim 1, it is characterised in that: described washing
Cylinder is in dehydration controls each stage rotation process, except at the first time distributed process shaking loose even cloth stage and redistribution
Middle elder generation rotates once with the most each, and remaining is all according to rotate in an anti-clockwise direction.
A kind of dewatering control method for washing machine the most according to claim 1, it is characterised in that: described distribution
Rotating speed is 85～105rpm, and distribution of pulses rotating speed is 120～250rpm.
A kind of dewatering control method for washing machine the most according to claim 1, it is characterised in that: described is the highest
Rotating speed is 800～2000rpm.
10. according to the arbitrary described a kind of dewatering control method for washing machine of claim 1-9, it is characterised in that: each
The rotating speed of stage wash cylinder and acceleration are according to the driving motor of washing machine, cylindric washer capacity and spun laundry material every time
Matter, the different set of weight.
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| KR101287534B1 (en) * | 2007-05-21 | 2013-07-18 | 삼성전자주식회사 | Washing machine and control method thereof |
| CN101768848B (en) * | 2008-12-31 | 2012-12-19 | 海尔集团公司 | Method for distribution control of drum type washing machine before drying clothes |
| CN101701407A (en) * | 2009-10-30 | 2010-05-05 | 南京乐金熊猫电器有限公司 | Dehydration method of drum washing machine |
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Effective date of registration: 20160715 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Drum Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Drum Washing Machine Co., Ltd. |
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