CN103911804A - Dehydration distribution control method of washing machine - Google Patents
Dehydration distribution control method of washing machine Download PDFInfo
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- CN103911804A CN103911804A CN201310005052.3A CN201310005052A CN103911804A CN 103911804 A CN103911804 A CN 103911804A CN 201310005052 A CN201310005052 A CN 201310005052A CN 103911804 A CN103911804 A CN 103911804A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/007—Methods for washing, rinsing or spin-drying for spin-drying only
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
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- D06F2202/065—
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- D06F2204/065—
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Abstract
The invention discloses a dehydration distribution control method of a washing machine. Before the washing machine is switched to a hydration function, the speed of an inner cylinder is controlled to be increased to a set rotating speed and stabilized at the set rotating speed, next, a process of repeatedly confirming an eccentric value of the load is added; the eccentric value of the load is repeatedly conformed before and after the rotating speed of the inner cylinder is controlled to be increased, and the eccentric value of the load is corrected after conforming that the eccentric value of the load satisfies a set condition; after hydration is began, the eccentric value is detected to determine the maximum dehydration rotating speed, the rotating speed is gradually increased to the hydration rotating speed and the hydration rotating speed is maintained for certain time for dehydration, next, the rotating speed is reduced to a certain rotating speed and maintained at the certain rotating speed for certain time, and then the rotating speed is increased to the hydration rotating speed again; by use of the method, the effects of steady dehydration, low vibration, low noise, low energy consumption and dehydration rate are achieved, and furthermore, the service life of a bearing, a speed reducer and the like of the washing machine is increased.
Description
Technical field
The present invention relates to washing machine field, specifically control method for washing machine, especially a kind of laundry machine dehydration distribution control method.
Background technology
The distribution curve major part that existing washing machine adopts all can not realize best distribution effect, the more difficult distribution of object that particularly surface area is little for those water suctions are many well, as bath towel, woollen sweater even load, even sometimes, also cannot be evenly distributed through being distributed to finally for a long time, cannot normally dry, even grow service time, caused the abnormal vibrations of cylinder or displacement, when making troubles to user's use, also wasted electric energy.A lot of producers, in order well to address the above problem, adopt the scheme of improving washing machine structure to obtain the uniform effect of load distribution mostly.
In addition, also there is part producer to adopt the method for control washing machine rotating speed to obtain the uniform effect of load distribution.The Chinese patent that is 200410033186.7 as application number discloses a kind of homogenization method and dehydration controlling method, can make the material in tumbling-box washing machine be uniformly distributed.This control slowly accelerates to the second rotational speed N 2 by rotary speed by the first rotational speed N 1, makes material in container, carry out layering pressing process, distributes to realize homogenising.This design meeting is used and brings inconvenience to user, if when user washes a towelling coverlet or jeans or bath towel, woollen sweater even load, accelerate slowly directly to cause these loads to break into volume, cannot separate, and the distribution weighing apparatus that has much difficulty in healing, finally cannot dry.
Application number is that 200510106136.1 Chinese patent discloses a kind of homogenization method, eccentric detection method and dehydration controlling method, gathers cylinder and revolves with 72～85RPM rotating speed the middle rotation speed change causing because of bias that turns around, to detecting of eccentric degree.And the machine 72～85RPM running well, it is upper that load is not attached to bucket completely, and the rotating speed now detecting is very inaccurate.When bucket up climbs with load, load is one with bucket; And load to cross barrel top be free state while declining, almost do not contact with bucket, the impact that load is rotated bucket is little compared with being entirely attached to impact on bucket, detects under these circumstances, data are out inaccurate.This control method is carried out predrainage with 300RPM left and right rotating speed, and this is also irrational.The structure of each machine is different, and these corresponding rotating speeds are all different, and most of machine all exists resonance point at 250r～400r, must first consider the structure of machine while designing various rotating speed, avoids resonance point, and can not it is stuck in some values.
Application number is that 200810093003.9 Chinese patent discloses a kind of poised state of load that can keep to carry out more reposefully washing machine and the control method thereof of rotary dehydration operation.A kind of unbalanced control method washing machine, for reducing to produce due to the uneven distribution of load of holding the cylinder of load and the motor of swing roller that comprises, described method comprises: by accelerating the load of cylinder coiling, make load invest the inwall of cylinder; During load is reeled, detect current of electric; Based on the current of electric detecting, determine that whether load is in non-equilibrium state; And result based on definite, the speed of index drum.
Said method relies on detection current of electric to judge amount of unbalance.In fact the control loop that detects current of electric is very complicated, there is very large deviation in the current of electric detecting by this loop and actual meeting, is subject to the impact of each components and parts precision on circuit, adds calculating, the processing of processor, the judgment value precision finally drawing is too low, easily goes wrong.For series excited machine, double-speed motor, this control is almost difficult to realize especially.The method also needs to detect counter electromotive force in addition, and counter electromotive force with the moment of torsion of motor, the angle of flow size of controlling motor, bucket internal burden amount number have much relations.Description according to patent the inside is calculated, and the value drawing also can exist very large deviation.
Application number is that the Chinese patent of CN200810187976.9 discloses the front distribution control method of a kind of roller washing machine load drying, started by bleeding stage, successively by the slow-speed of revolution in bleeding stage rotating, same direction is rotated the medium speed after the fast rise stage, with the high rotating speed after the upper equidirectional rising stage in stage, after this high stabilization of speed, judge amount of unbalance size, in the time that amount of unbalance is more than or equal to the severe amount of unbalance of program setting, slow-speed of revolution when rotating speed drops to draining, rotate after 5-6 second, start redistribution from second stage, when continuous distributed does not still meet impulsive condition three times, restarted to distribute by the first stage, in the time that amount of unbalance is less than severe amount of unbalance, directly enter predrainage and dry the stage.Control method of the present invention can reach the best distribution effect of load, has reduced the displacement and the harm of centrifugal force to cylinder that cause due to skewness, has greatly shortened again the time before main drying, has saved electric energy simultaneously.But according to the method described in patent, in distributed process, in the time that amount of unbalance is less than the severe amount of unbalance of program setting, enter immediately predrainage and dry the stage, with certain randomness, do not consider the impact of rotating speed on amount of unbalance.
In view of this special proposition the present invention.
Summary of the invention
Object of the present invention is for overcoming the deficiencies in the prior art, a kind of laundry machine dehydration distribution control method is provided, under the state of rotation speed change, eccentricity value repeatedly confirmed and revised, confirming the distribution situation of load, reach steady dehydration, shake little, be not shifted, low noise, low energy consumption.
In order to realize this object, the present invention adopts following technical scheme:
A kind of laundry machine dehydration distribution control method, before washing machine enters dehydration, after control inner core raising speed to setting speed is stable, the eccentricity value process of load is confirmed in increase by repeatedly, by controlling inner core rotating speed before raising speed and after reduction of speed, repeatedly confirm the eccentricity value of load, and after satisfied the imposing a condition of eccentricity value of confirmation load, revise the eccentricity value of load.
Be specially:
First stage, first control inner core with rotating speed V1 reversion setting-up time T1, enter next step;
Second stage, is just going to rotating speed V2 and is maintaining after setting-up time T2, enters next step;
Phase III, repeatedly confirm the eccentricity value stage of load: control rotating speed and rise to middling speed V3, stable operation setting-up time T3, detect this of inner core maximum (top) speed running time, exceed rotating speed V33, judge and return to first stage or second stage according to system, otherwise detect the eccentricity value P1 of load, compare with systemic presupposition eccentricity value, be greater than systemic presupposition eccentricity value if detect eccentricity value P1, judge and return to first stage or second stage according to system, be less than or equal to systemic presupposition eccentricity value if detect eccentricity value P1, control inner core speed rises to V4 operation setting-up time T4 and is down to middling speed V3, reaffirm the eccentricity value of load, repeatedly repeatedly, after satisfied imposing a condition, enter next step,
Fourth stage, the eccentricity value stage of correction load: enter in dehydration last accelerator before the speed fluctuation detection is set, low speed is revised eccentricity value if defective rotating speed is down to reversion.
The described phase III comprises the following steps:
(a), control inner core and rise to the rotating speed operation setting-up time T3 of V3, detect this of inner core maximum (top) speed running time, this maximum (top) speed exceedes rotating speed V33, return to second stage, and the number of times that returns to second stage is monitored, be denoted as N, be denoted as P1 otherwise detect eccentricity value, if P1 is greater than systemic presupposition eccentricity value, return to second stage, and the number of times that returns to second stage is monitored, be denoted as N, N is integer, otherwise enters next step;
(b), control inner core and rise to the rotating speed operation setting-up time T4 of V4, detect this of inner core maximum (top) speed running time, this maximum (top) speed exceedes V41, returns to the first stage, prevents decentering distortion, otherwise enters next step;
(c), control inner core and be down to the rotating speed operation setting-up time T3 of V3, detect eccentricity value and be denoted as P2, if P2 is greater than systemic presupposition eccentricity value, return to the first stage, otherwise enter fourth stage.
Described V2 < V1 < V3 < V4, V33=(1+5%) × V3, V41=(1+5%) × V4.
The preferred per minute 45 of described V1 forwards the fixed rotating speed of per minute 55 between turning to; The preferred per minute 25 of described V2 forwards the fixed rotating speed that per minute 35 turns to; The preferred per minute 90 of V3 when described detection eccentricity value forwards the fixed rotating speed of per minute 100 between turning to; The preferred per minute 110 of described V4 forwards the fixed rotating speed of per minute 130 between turning to; The preferred per minute 240 of described V5 forwards the fixed rotating speed of per minute 260 between turning to.
Described V3 is that per minute 93 turns.
In described step (a), the times N of returning to second stage is monitored, if N is less than or equal to default number of times, return to second stage, otherwise return to the first stage, and to the zero clearing of N value.
Described fourth stage comprises the following steps:
(d), control inner core and rise to rotating speed V5 operation setting-up time T5 with a certain acceleration, detect the acceleration time, be denoted as Tx, if the time-to-climb that Tx being greater than default, return to the first stage; Detection speed undulating value in accelerator, if the speed fluctuation is defective, returns to the first stage; Otherwise enter next step;
(e), control inner core and be down to rotating speed V3 operation setting-up time T3, detect eccentricity value and be denoted as P3, detect eccentricity value and be denoted as P2, if P2 is greater than systemic presupposition eccentricity value, return to the first stage, otherwise enter next step;
(f), distribute finish, start dehydration.
Described detection speed undulating value is: the speed fluctuation in accelerator when detection speed V31 is denoted as L1, the speed fluctuation in detection speed V31 to V32 uphill process under arbitrary speed, be denoted as Lx, Lx and L1 subtract each other, and need to be less than or equal to default limit value be qualified, otherwise return to the first stage.
Described V3 < V31 < V32 < V5, and V3 < V4 < V5.
In a distributed process, the number of times through second stage is monitored, be denoted as M, M is integer, and systemic presupposition eccentricity value is corresponding with M value.
Adopt after technical solutions according to the invention, bring following beneficial effect:
1, adopt repeatedly detection, confirmation and the correction of eccentricity value, the stability while having improved washing machine dehydration.
2, the distribution before dehydration can allow dehydration steadily, shake little, be not shifted, noise is low, energy consumption is low.
3, water desorption curve control, the problem that the water that can improve high speed time, inner core throws away cannot be discharged due to system vibration and circulating current, promotes dehydration rate.
4, reduce to shake the service life of bearing, the decelerator etc. that can extend washing machine.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1: distribute and water desorption curve before laundry machine dehydration of the present invention
Fig. 2: distribution control flow chart before laundry machine dehydration of the present invention
The specific embodiment
A kind of laundry machine dehydration distribution control method, before washing machine enters dehydration, after control inner core raising speed to setting speed is stable, the eccentricity value process of load is confirmed in increase by repeatedly, by controlling inner core rotating speed before raising speed and after reduction of speed, repeatedly confirm the eccentricity value of load, and after satisfied the imposing a condition of eccentricity value of confirmation load, revise the eccentricity value of load, described eccentricity value is according to loading on the situation that is evenly distributed in cylinder, the value drawing with account form undetermined by single-chip microcomputer.
As shown in Figure 1, be the S1 laundry machine dehydration distribution control stage, be specially:
First stage S11, first controls inner core with rotating speed V1 reversion setting-up time T1, enters next step; Can prevent that by rotating backward load from causing winding while rotation according to a direction;
Second stage S12, is just going to rotating speed V2 and is maintaining after setting-up time T2, enters next step; Can make load in a kind of state like pasting the non-subsides cylinder of cylinder by low speed forward rotation, be convenient to follow-up distribution;
Phase III S13, repeatedly confirm the eccentricity value stage of load: control rotating speed and rise to middling speed V3, stable operation setting-up time T3, detect this of inner core maximum (top) speed running time, exceed rotating speed V33, judge and return to first stage or second stage according to system, otherwise detect the eccentricity value P1 of load, compare with systemic presupposition eccentricity value, be greater than systemic presupposition eccentricity value if detect eccentricity value P1, judge and return to first stage or second stage according to system, be less than or equal to systemic presupposition eccentricity value if detect eccentricity value P1, control inner core speed rises to V4 operation setting-up time T4 and is down to middling speed V3, reaffirm the eccentricity value of load, repeatedly repeatedly, after satisfied imposing a condition, enter next step, repeatedly the eccentricity value of load being detected, confirmed and revises, is not once qualifiedly while detecting eccentricity value to jump to immediately the water smoking, has avoided the randomness in distributed process, can make laundry machine dehydration steadily, shake little and then noise is low, energy consumption is low,
Fourth stage S14, the eccentricity value stage of correction load: enter in dehydration last accelerator before the speed fluctuation detection is set, low speed is revised eccentricity value if defective rotating speed is down to reversion.
The above-mentioned phase III comprises the following steps:
(a), control inner core and rise to the rotating speed operation setting-up time T3 of V3, detect this of inner core maximum (top) speed running time, this maximum (top) speed exceedes rotating speed V33, return to second stage, and the number of times that returns to second stage is monitored, be denoted as N, be denoted as P1 otherwise detect eccentricity value, if P1 is greater than systemic presupposition eccentricity value, return to second stage, and the number of times that returns to second stage is monitored, be denoted as N, N is integer, otherwise enters next step;
(b), control inner core and rise to the rotating speed operation setting-up time T4 of V4, detect this of inner core maximum (top) speed running time, this maximum (top) speed exceedes V41, returns to the first stage, prevents decentering distortion, otherwise enters next step;
(c), control inner core and be down to the rotating speed operation setting-up time T3 of V3, detect eccentricity value and be denoted as P2, if P2 is greater than systemic presupposition eccentricity value, return to the first stage, otherwise enter fourth stage.
Described V2 < V1 < V3 < V4, V33=(1+5%) × V3, V41=(1+5%) × V4, the maximum (top) speed of inner core needs within the specific limits, can not exceed 5% of inner core rotating speed.
In above-mentioned steps (a), the times N of returning to second stage is monitored, if N is less than or equal to default number of times, return to second stage, otherwise return to the first stage, and to the zero clearing of N value.
Above-mentioned fourth stage comprises the following steps:
(d), control inner core and rise to rotating speed V5 operation setting-up time T5 with a certain acceleration, detect the acceleration time, be denoted as Tx, if the time-to-climb that Tx being greater than default, return to the first stage; Detection speed undulating value in accelerator, if the speed fluctuation is defective, returns to the first stage; Otherwise enter next step;
(e), control inner core and be down to rotating speed V3 operation setting-up time T3, detect eccentricity value and be denoted as P3, detect eccentricity value and be denoted as P2, if P2 is greater than systemic presupposition eccentricity value, return to the first stage, otherwise enter next step.
(f), distribute finish, start dehydration.
Above-mentioned detection speed undulating value is: the speed fluctuation in accelerator when detection speed V31 is denoted as L1, the speed fluctuation in detection speed V31 to V32 uphill process under arbitrary speed, be denoted as Lx, Lx and L1 subtract each other, and need to be less than or equal to default limit value be qualified, otherwise return to the first stage.
Above-mentioned V3 < V31 < V32 < V5, and V3 < V4 < V5.
The preferred per minute 45 of above-mentioned V1 forwards the fixed rotating speed of per minute 55 between turning to; The preferred per minute 25 of described V2 forwards the fixed rotating speed that per minute 35 turns to; The preferred per minute 90 of V3 when described detection eccentricity value forwards the fixed rotating speed of per minute 100 between turning to; The preferred per minute 110 of described V4 forwards the fixed rotating speed of per minute 130 between turning to; The preferred per minute 240 of described V5 forwards the fixed rotating speed of per minute 260 between turning to.
Further preferably, above-mentioned V1 is that per minute 40 turns (A rotating speed in corresponding diagram 1), rotates backward 6 seconds under this speed; Above-mentioned V2 is that per minute 30 turns (B rotating speed in corresponding diagram 1), forward rotation 3 seconds under this speed; V3 when above-mentioned detection eccentricity value is that per minute 93 turns (C rotating speed in corresponding diagram 1), and described V4 is that per minute 120 turns (D rotating speed in corresponding diagram 1), and described V5 is that per minute 250 turns (E rotating speed in corresponding diagram 1).
In a distributed process, the number of times through second stage is monitored, be denoted as M, M is integer, and systemic presupposition eccentricity value is corresponding with M value.
Laundry machine dehydration method for controlling curves: detect eccentricity value and determine the highest dehydrating speed; Rise to gradually dehydrating speed and maintain certain hour and dewater, rotating speed drops to a certain rotating speed and maintains certain hour and reduce windage, discharges the water being detained due to system vibration and circulating current; Rise to again dehydrating speed and dry the water that is back to load, until finish.
Embodiment mono-:
As shown in Figure 2, before laundry machine dehydration, distribution curve control method comprises the following steps:
Set N, M and represent the flag code in program, N represents the corresponding number of times of changing accekeration in single distribution, and during M representative distributes, the corresponding number of times of eccentricity value variation is set in change, and N is the number of times that returns to second stage, M is the number of times through second stage in once distributing, initial value: N=0; M=0, returns to step (1), and N makes zero, and M value is constant, and the maximum that can set N is that 3, M maximum is default, and default eccentricity value and M value are corresponding.
(1), control the rotational speed that turns with per minute 50 of inner core 6 seconds, cause winding when preventing that load from rotating according to a direction, now N=0, M is constant;
(2), control the rotational speed that turns with per minute 30 of inner core 3 seconds, make load in a kind of like pasting the non-state that pastes cylinder of cylinder;
(3), control inner core and rise the rotational speed that turns with acceleration to the per minute 93 of X 6 seconds, detect the rotating speed of inner core maximum, maximum (top) speed need be less than or equal to per minute 98 and turn, otherwise according to N value size, step (1) or step (2) are returned in judgement, prevent that bias is excessive; The eccentricity value that detects load is denoted as P1, P1 need be less than or equal to systemic presupposition eccentricity value, otherwise step (1) or step (2) are returned in judgement according to N value size, it is the rotating speed that load has just been affixed on inner core that per minute 93 is become a full member, the various states of load directly act on inner core, thereby feedback is in rotation speed change, and the data that detect in such situation are the most accurate, therefore preferably wait inner core rotating speed to reach the detection of carrying out eccentricity value after per minute 93 turns;
Acceleration X is relevant with N value, and acceleration X sets in washing machine internal program; After step (3), N value and M value add the maximum that 1(M need be less than default in turn); When step (1) or step (2) are returned in judgement according to N value size, if N value is more than or equal to 3, return to step (1), if N value is less than 3, return to step (2).
(4), control inner core and rise to the rotational speed 4 seconds that per minute 120 turns, detect maximum rotating speed in inner core one circle, maximum (top) speed need be less than or equal to per minute 125 and turn, otherwise returns to step (1), prevents decentering distortion;
(5), control inner core and be down to the rotational speed 6 seconds that per minute 93 turns, detect eccentricity value and be denoted as P2, P2 need be less than or equal to systemic presupposition eccentricity value, otherwise returns to step (1);
Control inner core and rise to rotating speed per minute 250 with a certain acceleration and walk around moving 5 seconds, detect the acceleration time, be denoted as Tx, if the time-to-climb that Tx being greater than default 10 seconds, step (1); The speed fluctuation when detection speed per minute 120 turns is denoted as L1, and detection speed per minute 120 goes to per minute 180 and turns the speed fluctuation under arbitrary speed in uphill process, is denoted as Lx, and Lx and L1 subtract each other the limit value that need be less than or equal to setting, otherwise returns to step (1);
(7), control inner core and be down to the rotational speed 6 seconds that per minute 93 turns, detect eccentricity value and be denoted as P3, P3 need be less than or equal to systemic presupposition eccentricity value, otherwise returns to step (1);
(8), distribute and finish.
Embodiment bis-:
As shown in Figure 1, laundry machine dehydration method for controlling curves comprises the following steps (consulting the S2 section in Fig. 1):
(1), control 45 seconds (the consulting the S21 section in Fig. 1, corresponding F rotating speed) of speed rotation that inner core turns with per minute 400;
(2), control inner core and be down to the speed that per minute 93 turns and rotate 6 seconds (consulting the S22 section in Fig. 1, corresponding C rotating speed), now detect eccentricity value, detect eccentricity value and need be less than or equal to systemic presupposition eccentricity value, and determine the highest dehydrating speed according to detecting eccentricity value;
(3), rise to gradually the highest dehydrating speed: the speed that per minute 600 turns maintains 45 seconds (G rotating speed in corresponding diagram 1), the speed that per minute 800 turns maintains 45 seconds (H rotating speed in corresponding diagram 1), the speed that per minute 1000 turns maintains 60 seconds (I rotating speed in corresponding diagram 1), the speed that per minute 1200 turns maintains 210 seconds (J rotating speed in corresponding diagram 1), the speed that per minute 1400 turns maintains 60 seconds (L rotating speed in corresponding diagram 1), the highest dehydrating speed maintains 120 seconds (consulting the S23 section in Fig. 1, corresponding L rotating speed);
(4), rotating speed drops to per minute 600 maintenance handovers and holds certain hour (consulting the S24 section in Fig. 1, corresponding G rotating speed); Because in the time drying at a high speed, the water of throwing out is because the existence meeting of system vibration and circulating current moves in a circle on observation window pad, inner tube wall, viewing glass, be not easy to discharge, reduction of speed is in order to reduce windage, the water of throwing out is led to urceolus by structure guiding gutter, discharge by water discharge outlet;
(5), rotating speed rises to the highest dehydrating speed and maintains 60 seconds (consulting the S25 section in Fig. 1), during due to high speed rotating, water can not be discharged in time, can cause part water to be back to load, now can further this part water be dried as far as possible, to improve dehydration rate.
Embodiment tri-:
Before above-mentioned dehydration, distributing is a random process, and required time cannot accurately be predicted.In the flow table of washing machine, conventionally do not allocate the time in advance, while distribution, stop timing.But cannot be successfully and flow process cannot be moved downwards in order to prevent from distributing, can carry out untimed restriction, in this time principle, be defined as 5 minutes (visual distinct program and the highest setting speed are adjusted), when distribution time exceed 5 minutes still unsuccessful, force to start timing, after this will take intrinsic dewatering time, until dewatering time is also used up, before this dehydration, distribute unsuccessfully, proceed to next washing course.
The foregoing is only the preferred embodiment of the present invention, it should be pointed out that for the ordinary skill in the art, without departing from the principles of the present invention, can also make various deformation and improvement, this also should be considered as protection scope of the present invention.
Claims (10)
1. a laundry machine dehydration distribution control method, it is characterized in that: before washing machine enters dehydration, after control inner core raising speed to setting speed is stable, the eccentricity value process of load is confirmed in increase by repeatedly, by controlling inner core rotating speed before raising speed and after reduction of speed, repeatedly confirm the eccentricity value of load, and after satisfied the imposing a condition of eccentricity value of confirmation load, revise the eccentricity value of load.
2. laundry machine dehydration distribution control method according to claim 1, is characterized in that: be specially:
First stage, first control inner core with rotating speed V1 reversion setting-up time T1, enter next step;
Second stage, is just going to rotating speed V2 and is maintaining after setting-up time T2, enters next step;
Phase III, repeatedly confirm the eccentricity value stage of load: control rotating speed and rise to middling speed V3, stable operation setting-up time T3, detect this of inner core maximum (top) speed running time, exceed rotating speed V33, judge and return to first stage or second stage according to system, otherwise detect the eccentricity value P1 of load, compare with systemic presupposition eccentricity value, be greater than systemic presupposition eccentricity value if detect eccentricity value P1, judge and return to first stage or second stage according to system, be less than or equal to systemic presupposition eccentricity value if detect eccentricity value P1, control inner core speed rises to V4 operation setting-up time T4 and is down to middling speed V3, reaffirm the eccentricity value of load, repeatedly repeatedly, after satisfied imposing a condition, enter next step,
Fourth stage, the eccentricity value stage of correction load: enter in dehydration last accelerator before the speed fluctuation detection is set, low speed is revised eccentricity value if defective rotating speed is down to reversion.
3. laundry machine dehydration distribution control method according to claim 2, is characterized in that: the described phase III comprises the following steps:
(a), control inner core and rise to the rotating speed operation setting-up time T3 of V3, detect this of inner core maximum (top) speed running time, this maximum (top) speed exceedes rotating speed V33, return to second stage, and the number of times that returns to second stage is monitored, be denoted as N, be denoted as P1 otherwise detect eccentricity value, if P1 is greater than systemic presupposition eccentricity value, return to second stage, and the number of times that returns to second stage is monitored, be denoted as N, N is integer, otherwise enters next step;
(b), control inner core and rise to the rotating speed operation setting-up time T4 of V4, detect this of inner core maximum (top) speed running time, this maximum (top) speed exceedes V41, returns to the first stage, prevents decentering distortion, otherwise enters next step;
(c), control inner core and be down to the rotating speed operation setting-up time T3 of V3, detect eccentricity value and be denoted as P2, if P2 is greater than systemic presupposition eccentricity value, return to the first stage, otherwise enter fourth stage.
4. laundry machine dehydration distribution control method according to claim 3, is characterized in that: described V2 < V1 < V3 < V4, V33=(1+5%) × V3, V41=(1+5%) × V4.
5. laundry machine dehydration distribution control method according to claim 4, is characterized in that: described V3 is that per minute 93 turns.
6. laundry machine dehydration distribution control method according to claim 3, it is characterized in that: in described step (a), the times N of returning to second stage is monitored, if N is less than or equal to default number of times, return to second stage, otherwise return to the first stage, and to the zero clearing of N value.
7. laundry machine dehydration distribution control method according to claim 2, is characterized in that: described fourth stage comprises the following steps:
(d), control inner core and rise to rotating speed V5 operation setting-up time T5 with a certain acceleration, detect the acceleration time, be denoted as Tx, if the time-to-climb that Tx being greater than default, return to the first stage; Detection speed undulating value in accelerator, if the speed fluctuation is defective, returns to the first stage; Otherwise enter next step;
(e), control inner core and be down to rotating speed V3 operation setting-up time T3, detect eccentricity value and be denoted as P3, detect eccentricity value and be denoted as P2, if P2 is greater than systemic presupposition eccentricity value, return to the first stage, otherwise enter next step;
(f), distribute finish, start dehydration.
8. laundry machine dehydration distribution control method according to claim 7, it is characterized in that: described detection speed undulating value is: the speed fluctuation in accelerator when detection speed V31 is denoted as L1, the speed fluctuation in detection speed V31 to V32 uphill process under arbitrary speed, be denoted as Lx, Lx and L1 subtract each other, and need to be less than or equal to default limit value be qualified, otherwise return to the first stage.
9. laundry machine dehydration distribution control method according to claim 8, it is characterized in that: described V3 < V31 < V32 < V5, and V3 < V4 < V5.
10. laundry machine dehydration distribution control method according to claim 3, is characterized in that: in a distributed process, the number of times through second stage is monitored, be denoted as M, M is integer, and systemic presupposition eccentricity value is corresponding with M value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005052.3A CN103911804B (en) | 2013-01-07 | 2013-01-07 | A kind of laundry machine dehydration distribution control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005052.3A CN103911804B (en) | 2013-01-07 | 2013-01-07 | A kind of laundry machine dehydration distribution control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103911804A true CN103911804A (en) | 2014-07-09 |
| CN103911804B CN103911804B (en) | 2017-09-29 |
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| CN104963165A (en) * | 2015-05-29 | 2015-10-07 | 无锡小天鹅股份有限公司 | Washing machine dehydration method |
| CN105088628A (en) * | 2015-05-29 | 2015-11-25 | 无锡小天鹅股份有限公司 | Spinning and drying method for washing machine |
| CN105862313A (en) * | 2016-04-29 | 2016-08-17 | 无锡小天鹅股份有限公司 | Eccentricity sensing method for pulsator washing machine and pulsator washing machine |
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| CN105937127B (en) * | 2016-06-28 | 2019-03-22 | 无锡小天鹅股份有限公司 | Roller washing machine and its dehydration controlling method and device |
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| CN106436154A (en) * | 2016-09-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Washing machine and dehydration control method and device thereof |
| CN106996005B (en) * | 2017-03-28 | 2022-08-16 | 青岛海尔洗涤电器有限公司 | Distributed dehydration control method for drum washing machine |
| CN106996005A (en) * | 2017-03-28 | 2017-08-01 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine is distributed dehydration controlling method |
| CN110520566A (en) * | 2017-04-11 | 2019-11-29 | 三星电子株式会社 | Washing machine and the method for controlling it |
| CN106939494A (en) * | 2017-05-16 | 2017-07-11 | 江苏新安电器有限公司 | The band water dehydration detection means and its detection method of a kind of roller washing machine |
| CN106939494B (en) * | 2017-05-16 | 2023-05-23 | 江苏新安电器有限公司 | Water-carrying dehydration detection device and detection method for drum washing machine |
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| CN110878460A (en) * | 2018-08-31 | 2020-03-13 | 青岛海尔洗衣机有限公司 | Dewatering control method of washing machine and washing machine |
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| CN111434831A (en) * | 2018-12-25 | 2020-07-21 | 青岛海尔洗衣机有限公司 | Control method for eccentric state of washing machine and washing machine |
| CN111560733A (en) * | 2019-01-28 | 2020-08-21 | 青岛海尔滚筒洗衣机有限公司 | Dehydration control method of drum washing machine and drum washing machine |
| CN111560733B (en) * | 2019-01-28 | 2023-04-21 | 青岛海尔滚筒洗衣机有限公司 | Dehydration control method of drum washing machine and drum washing machine |
| CN111501291A (en) * | 2020-04-23 | 2020-08-07 | 长虹美菱股份有限公司 | Load eccentricity detection method for pulsator washing machine |
| CN113005715A (en) * | 2021-03-04 | 2021-06-22 | 海信（山东）冰箱有限公司 | Dehydration control method and device for multi-drum washing machine, medium and multi-drum washing machine |
| CN114182477A (en) * | 2021-11-30 | 2022-03-15 | 珠海格力电器股份有限公司 | Washing machine with heat pump drying function and control method |
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Effective date of registration: 20160831 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: 266102 Haier Industrial Park, 1 Haier Road, hi tech park, Laoshan District, Shandong, Qingdao Applicant before: haier group corporation Applicant before: Qingdao Haier Drum Washing Machine Co., Ltd. |
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