CN107177956B - Washing machine and its dehydration controlling method, device - Google Patents
Washing machine and its dehydration controlling method, device Download PDFInfo
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- CN107177956B CN107177956B CN201710327501.4A CN201710327501A CN107177956B CN 107177956 B CN107177956 B CN 107177956B CN 201710327501 A CN201710327501 A CN 201710327501A CN 107177956 B CN107177956 B CN 107177956B
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- dehydration
- washing machine
- preset rotation
- revolving speed
- rotation speed
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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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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- D06F2204/065—
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- D06F2204/084—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses a kind of washing machine and its dehydration controlling methods, device, wherein washing machine includes the dehydration electric motor of dehydration barrel and driving dehydration barrel operating, and method includes: to obtain the feedback revolving speed of dehydration barrel in real time when washing machine executes dehydration procedure；The dehydrating speed of dehydration barrel rises in wave band formula to be controlled such that dehydration electric motor according to the feedback revolving speed of dehydration barrel, to avoid the resonance point of washing machine；When the feedback revolving speed of dehydration barrel rises to the first preset rotation speed, washing machine enters the long de- stage；In the long de- stage, by control dehydration electric motor so that dehydration barrel alternate-running between the second preset rotation speed and third preset rotation speed, wherein the second preset rotation speed is greater than third preset rotation speed, and the second preset rotation speed is greater than the first preset rotation speed.The dehydration controlling method is able to ascend the dewatering of washing machine, reduces the abrasion of dehydration barrel, and cost of implementation is low.The invention also discloses a kind of computer readable storage mediums.
Description
Technical field
The present invention relates to washing machine technology field, in particular to a kind of dehydration controlling method of washing machine, a kind of computer
The dehydration control apparatus and a kind of washing machine of readable storage medium storing program for executing, a kind of washing machine.
Background technique
Currently, washing machine is in dehydration, generally by being controlled using the fixed ON/OFF time dehydration electric motor.It should
Although mode can also take away large quantity of moisture and break through partial resonance point, in load excessive, the revolving speed of dehydration electric motor rises non-
Often slowly, so that the feedback revolving speed of dehydration barrel rises slowly, when the feedback revolving speed of dehydration barrel being easily caused not reach rotating speed of target also,
The fixed ON time arrives, and dewatering to washing machine and can break through resonance point as a result, and has an impact.
Also, in the washing machine high speed dewatering stage, the corresponding speed of alternating current for inputting 60Hz is 1.2 times of 50Hz.Such as
The alternating current of fruit input 50Hz can be realized that dewatering is up to standard, then dewatering speed is excessively high when inputting the alternating current of 60Hz,
It is likely to result in the bad phenomenons such as dehydration barrel abrasion.If it is desired that washing machine adapts to the corresponding height of 60Hz alternating current in structure
Speed will definitely increase production cost.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of dehydration controlling method of washing machine, and this method is able to ascend the dewatering of washing machine, reduces
The abrasion of dehydration barrel.
Second object of the present invention is to propose a kind of computer readable storage medium.
Third object of the present invention is to propose a kind of dehydration control apparatus of washing machine.
Fourth object of the present invention is to propose a kind of washing machine.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of dehydration controlling method of washing machine, institute
Stating washing machine includes dehydration barrel and the dehydration electric motor for driving the dehydration barrel operating, and the dehydration controlling method includes following step
It is rapid: when the washing machine executes dehydration procedure, to obtain the feedback revolving speed of the dehydration barrel in real time；According to the anti-of the dehydration barrel
Feedback revolving speed is controlled such that the dehydrating speed of the dehydration barrel rises in wave band formula to the dehydration electric motor, to avoid described wash
The resonance point of clothing machine；When the feedback revolving speed of the dehydration barrel rises to the first preset rotation speed, the washing machine enters long de- rank
Section；The stage is taken off in the length, by controlling the dehydration electric motor so that the dehydration barrel is default in the second preset rotation speed and third
Alternate-running between revolving speed, wherein second preset rotation speed is greater than the third preset rotation speed, and second preset rotation speed is big
In first preset rotation speed.
The dehydration controlling method of washing machine according to an embodiment of the present invention, when washing machine executes dehydration procedure, according to de-
The feedback revolving speed of bucket is controlled such that the dehydrating speed of dehydration barrel rises in wave band formula to dehydration electric motor, to avoid washing machine
Resonance point, and rise to the first preset rotation speed in the feedback revolving speed of dehydration barrel, when washing machine is in the long de- stage, pass through control
For dehydration electric motor so that dehydration barrel alternate-running between the second preset rotation speed and third preset rotation speed, thereby, it is possible to promote laundry
The dewatering of machine reduces the abrasion of dehydration barrel, and the cost of implementation of this method is low.
In addition, the dehydration controlling method of the washing machine proposed according to that above embodiment of the present invention can also have following add
Technical characteristic:
According to one embodiment of present invention, the dehydration electric motor is controlled according to the feedback revolving speed of the dehydration barrel
So that the dehydrating speed of the dehydration barrel in wave band formula rise, comprising: setting m revolving speed control point N1, N2, N3 ..., Nm,
In, m is the integer more than or equal to 2；When the feedback revolving speed of the dehydration barrel reaches N1, controls the dehydration electric motor and stop, and
When the feedback revolving speed of the dehydration barrel drops to N2, the dehydration electric motor starting is controlled, and in the feedback of the dehydration barrel
It when revolving speed rises to N3, controls the dehydration electric motor and stops again, repeatedly, until the feedback revolving speed of the dehydration barrel rises
To Nm, wherein Nm is greater than N1, and is equal to first preset rotation speed.
According to one embodiment of present invention, m revolving speed control point is set according to the resonance point of the washing machine
It sets.
According to one embodiment of present invention, by controlling the dehydration electric motor so that the dehydration barrel is at second default turn
Alternate-running between speed and third preset rotation speed, comprising: when the feedback revolving speed of the dehydration barrel reaches second preset rotation speed
When, it controls the dehydration electric motor and stops, and when the feedback revolving speed of the dehydration barrel drops to the third preset rotation speed, control
The dehydration electric motor starting, and when the feedback revolving speed of the dehydration barrel rises to second preset rotation speed, described in control
Dehydration electric motor stops again, repeatedly.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of computer readable storage medium, tool
It is stored in instruction therein, when executed, the washing machine executes above-mentioned dehydration controlling method.
Computer readable storage medium according to an embodiment of the present invention, it is corresponding with above-mentioned dehydration controlling method by storing
Instruction, can be performed in instruction, realize washing machine with above-mentioned dehydration controlling method and be dehydrated.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of dehydration control apparatus of washing machine, institute
Stating washing machine includes dehydration barrel and the dehydration electric motor for driving the dehydration barrel operating, and the dehydration control apparatus includes obtaining module
And control module, wherein the acquisition module is used to obtain the dehydration barrel in real time when the washing machine executes dehydration procedure
Feedback revolving speed；The control module is for being controlled such that the dehydration electric motor according to the feedback revolving speed of the dehydration barrel
The dehydrating speed of the dehydration barrel rises in wave band formula, to avoid the resonance point of the washing machine, and in the anti-of the dehydration barrel
When feedback revolving speed rises to the first preset rotation speed, the washing machine enters the long de- stage；Stage, the control module are taken off in the length
It is also used to by controlling the dehydration electric motor so that the dehydration barrel replaces between the second preset rotation speed and third preset rotation speed
Operating, wherein second preset rotation speed is greater than the third preset rotation speed, and it is pre- that second preset rotation speed is greater than described first
If revolving speed.
The dehydration control apparatus of washing machine according to the above embodiment of the present invention is taken off by obtaining module and executing in washing machine
Water program constantly obtains the feedback revolving speed of dehydration barrel in real time, by control module according to the feedback revolving speed of dehydration barrel to dehydration electric motor
It is controlled such that the dehydrating speed of dehydration barrel rises in wave band formula, to avoid the resonance point of washing machine, and in the anti-of dehydration barrel
Feedback revolving speed rises to the first preset rotation speed, when washing machine is in the long de- stage, by control dehydration electric motor so that dehydration barrel is the
Alternate-running between two preset rotation speeds and third preset rotation speed reduces dehydration barrel thereby, it is possible to promote the dewatering of washing machine
Abrasion, and the cost of implementation of the device is low.
In addition, the control device of the washing machine proposed according to that above embodiment of the present invention can also have following additional skill
Art feature:
According to one embodiment of present invention, the control module is also used to, m revolving speed control point N1, N2 of setting,
N3 ..., Nm, wherein m is integer more than or equal to 2；When the feedback revolving speed of the dehydration barrel reaches N1, the dehydration is controlled
Motor stops, and when the feedback revolving speed of the dehydration barrel drops to N2, controls the dehydration electric motor starting, and described de-
It when the feedback revolving speed of bucket rises to N3, controls the dehydration electric motor and stops again, repeatedly, until the dehydration barrel is anti-
Feedback revolving speed rises to Nm, wherein Nm is greater than N1, and is equal to first preset rotation speed.
According to one embodiment of present invention, the control module is arranged m described according to the resonance point of the washing machine
Revolving speed control point.
According to one embodiment of present invention, the control module is also used to, when the feedback revolving speed of the dehydration barrel reaches
It when second preset rotation speed, controls the dehydration electric motor and stops, and drop to described the in the feedback revolving speed of the dehydration barrel
When three preset rotation speeds, the dehydration electric motor starting is controlled, and rise to described second in advance in the feedback revolving speed of the dehydration barrel
If when revolving speed, controlling the dehydration electric motor and stopping again, repeatedly.
Further, the invention proposes a kind of washing machines comprising the dehydration control apparatus of above-mentioned washing machine.
The washing machine of the embodiment of the present invention is able to ascend the dewatering of itself by using above-mentioned dehydration control apparatus,
The abrasion of dehydration barrel is reduced, and cost of implementation is low.
Detailed description of the invention
Fig. 1 is the flow chart according to the dehydration controlling method of the washing machine of the embodiment of the present invention；
Fig. 2 is the flow chart of the dehydration controlling method of the washing machine of a specific example according to the present invention；
Fig. 3 is the feedback revolving speed for the dehydration barrel that the washing machine of a specific example according to the present invention carries out when dehydration controls
Schematic diagram；
Fig. 4 is the block diagram of the dehydration control apparatus of washing machine according to an embodiment of the present invention；
Fig. 5 is the block diagram of washing machine according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The washing machine and its dehydration controlling method, device of the embodiment of the present invention described with reference to the accompanying drawing.
Fig. 1 is the flow chart of the dehydration controlling method of the washing machine of one embodiment of the invention.
In an embodiment of the present invention, washing machine includes the dehydration electric motor of dehydration barrel and driving dehydration barrel operating, and this is washed
Clothing machine preferably has rotary drum washing machine.
As shown in Figure 1, the dehydration controlling method of the washing machine of the embodiment of the present invention the following steps are included:
S101 obtains the feedback revolving speed of dehydration barrel when washing machine executes dehydration procedure in real time.
In an embodiment of the present invention, can by dehydration barrel installation speed sensor obtain the anti-of dehydration barrel in real time
Present revolving speed, wherein velocity sensor can be, but not limited to be magnetoelectric tachometric transducer, Mageneto-sensitive type speed probe, Hall turn
Fast sensor etc..
Optionally, velocity sensor may be mounted on the side wall of dehydration barrel, and it is provided with waterproofing protection.
S102 is controlled such that the dehydrating speed of dehydration barrel in wave band dehydration electric motor according to the feedback revolving speed of dehydration barrel
Formula rises, to avoid the resonance point of washing machine.
In one embodiment of the invention, can be set m revolving speed control point N1, N2, N3 ..., Nm, when dehydration barrel
When feedback revolving speed reaches N1, control dehydration electric motor stops, and when the feedback revolving speed of dehydration barrel drops to N2, controls dehydration electric motor
Starting, and when the feedback revolving speed of dehydration barrel rises to N3, control dehydration electric motor stops again, repeatedly, until dehydration
The feedback revolving speed of bucket rises to Nm.
Wherein, m is the integer more than or equal to 2, such as can be 2,3,4；Nm is greater than N1.
Preferably, m revolving speed control point is configured according to the resonance point of washing machine.For example, completing to assemble in washing machine
When, can detecte the intrinsic frequency of washing machine, and then can be arranged accordingly m revolving speed control point N1, N2, N3 ..., Nm to be to avoid
The intrinsic frequency.
It is controlled as a result, according to the feedback revolving speed of dehydration barrel and m revolving speed dominating pair of vertices dehydration electric motor, can make to be dehydrated
Bucket dehydrating speed in wave band formula rise, avoid dehydration barrel with a certain fixed rotating speed rotates and make washing machine generation resonance,
Damage caused by washing machine is reduce or eliminated due to being dehydrated resonance.
S103, when the feedback revolving speed of dehydration barrel rises to the first preset rotation speed, washing machine enters the long de- stage.
Wherein, the first preset rotation speed is the revolving speed control point Nm of above-mentioned setting.
S104, in the long de- stage, by control dehydration electric motor so that dehydration barrel is at default turn of the second preset rotation speed and third
Alternate-running between speed.
Wherein, the second preset rotation speed is greater than third preset rotation speed, and the second preset rotation speed is greater than the first preset rotation speed.
Specifically, when the feedback revolving speed of dehydration barrel reaches the second preset rotation speed, control dehydration electric motor stops, and is being dehydrated
When the feedback revolving speed of bucket drops to third preset rotation speed, control dehydration electric motor starting, and rise in the feedback revolving speed of dehydration barrel
When to the second preset rotation speed, control dehydration electric motor stops again, repeatedly.
Specifically, it is de- that dehydration electric motor continues driving when the feedback revolving speed of dehydration barrel rises to the first preset rotation speed Nm
Bucket operating, the feedback revolving speed of dehydration barrel persistently rise；When the feedback revolving speed of dehydration barrel rises to the second preset rotation speed, control
Dehydration electric motor stops, the feedback revolving speed decline of dehydration barrel；When the feedback revolving speed of dehydration barrel drops to third preset rotation speed, control
The feedback revolving speed of dehydration electric motor starting, dehydration barrel rises；When the feedback revolving speed of dehydration barrel rises to the second preset rotation speed, control
Dehydration electric motor stops again, repeatedly, until the long de- stage terminates.In this process, with the loss of moisture in dehydration barrel,
Load is gradually reduced, and alternating frequency of the feedback revolving speed of dehydration barrel between the second preset rotation speed and third preset rotation speed gradually increases
Greatly, i.e. the second preset rotation speed drops to third preset rotation speed or third preset rotation speed rises to the time of the second preset rotation speed gradually
Shorten.
In some embodiments of the invention, can preset time of the washing machine in the long de- stage is when presetting
Between, when the feedback revolving speed of dehydration barrel rises to the first preset rotation speed, washing machine enters the long de- stage, starts timing, works as timing
When time reaches preset time, the long de- stage terminates.
Optionally, the preset time that washing machine is in the long de- stage can be fixed, and such as can be and bears for different
Carry the average time obtained with dehydrating effect by mathematical statistics.
In a specific example of the invention, when washing machine inputs the alternating current of 60Hz and carries out dehydration control, setting 3
A revolving speed control point N1, N2, N3, wherein N2 < N1 < N3.As shown in Fig. 2, starting dehydration electric motor, when the feedback revolving speed of dehydration barrel
When reaching N1, control dehydration electric motor stops, the feedback revolving speed decline of dehydration barrel；When the feedback revolving speed of dehydration barrel drops to N2,
Control dehydration electric motor starting again, when the feedback revolving speed of dehydration barrel rises to N3, washing machine enters the long de- stage.The process
In, the feedback revolving speed of dehydration barrel rises in wave band formula.
After washing machine enters the long de- stage, further progress speed control.Specifically, when the feedback turn up of dehydration barrel
To after the second preset rotation speed S1, control dehydration electric motor stops, the feedback revolving speed decline of dehydration barrel, wherein S1 > N3；When feedback turns
When speed drops to third preset rotation speed S2, restart dehydration electric motor, wherein S2 < S1；When the feedback revolving speed of dehydration barrel rises again
When to the second preset rotation speed S1, control dehydration electric motor stops again, repeatedly, until the long de- stage terminates, i.e. dehydration barrel
The duration that feedback revolving speed rises to after N3 reaches preset time.
It should be noted that the feedback revolving speed of dehydration barrel drops to the time of S2 (or rising to S1 from S2) from S1, it can basis
The size of load changes, and the time reaches most short in empty barrel.When due to the starting of each dehydration electric motor, to dehydration electricity
Machine and wire assembly will cause rush of current, impact resistance number are as follows: T=(n/c) * d, wherein n be the long de- stage it is lasting when
Between, c is the fall time of long de- stage feedback revolving speed and the adduction of rise time, and d is the dehydration number of dehydration barrel.It can see
Out, in order to reduce impact resistance number to protect dehydration electric motor, it is possible to reduce the duration n in long de- stage reduces dehydration barrel
It is dehydrated number d, or increases the adduction c (weight for increasing wash load) of fall time and rise time.
In addition, it should also be noted that, by control dehydration electric motor so that the feedback revolving speed of dehydration barrel rises in wave band formula
And when washing machine being made to be in the long de- stage, it need to only meet N1<Nm<S1, S1>S2, N1>N2, N3>N4 etc., first is default
Relationship between revolving speed Nm and third preset rotation speed S2 can be unlimited.If m is odd number, N1, N3, N5 ..., between N (m-2)
Relationship, N2, N3, N6 ..., the relationship between N (m-1) can be it is unlimited；If m be even number, N1, N3, N5 ..., N (m-1)
Between relationship, N2, N3, N6 ..., the relationship between N (m-2) can be it is unlimited.For example, with reference to Fig. 3, when m value is 17
When, meeting N1<N17<S1, S1>S2, N1>N2, N3>N4, N5>N6, N7>N8, N9>N10, N11>N12, N13>N14, N15>
While N16, can be set N1=N3=N5=N7<N9<N11<N13<N15>N17, N2=N4=N6=N8<N10<N12<
N14<N16、S2>N17。
The dehydration controlling method of washing machine according to an embodiment of the present invention, when washing machine executes dehydration procedure, according to de-
The feedback revolving speed of bucket is controlled such that the dehydrating speed of dehydration barrel rises in wave band formula to dehydration electric motor, to avoid washing machine
Resonance point, and rise to the first preset rotation speed in the feedback revolving speed of dehydration barrel, when washing machine is in the long de- stage, pass through control
For dehydration electric motor so that dehydration barrel alternate-running between the second preset rotation speed and third preset rotation speed, thereby, it is possible to promote laundry
The dewatering of machine reduces the abrasion of dehydration barrel, and the cost of implementation of this method is low.
The dehydration controlling method of washing machine based on the above embodiment, the invention proposes a kind of computer-readable storage mediums
Matter.
In an embodiment of the present invention, computer readable storage medium, which has, is stored in instruction therein, when instruction is held
When row, washing machine executes the dehydration controlling method of above-described embodiment.
Computer readable storage medium according to an embodiment of the present invention, it is corresponding with above-mentioned dehydration controlling method by storing
Instruction, can be performed in instruction, realize washing machine with above-mentioned dehydration controlling method and be dehydrated.
Fig. 4 is the block diagram of the dehydration control apparatus of washing machine according to an embodiment of the present invention.
In an embodiment of the present invention, washing machine includes the dehydration electric motor of dehydration barrel and driving dehydration barrel operating, and this is washed
Clothing machine preferably has rotary drum washing machine.
As shown in figure 4, the dehydration control apparatus 100 includes obtaining module 10 and control module 20.
Wherein, the feedback revolving speed that module 10 is used to obtain dehydration barrel in real time when washing machine executes dehydration procedure is obtained.Control
Molding block 20 is used to be controlled such that the dehydrating speed of dehydration barrel in wave band dehydration electric motor according to the feedback revolving speed of dehydration barrel
Formula rise, to avoid the resonance point of washing machine, and when the feedback revolving speed of dehydration barrel rises to the first preset rotation speed, washing machine into
Enter the long de- stage；In the long de- stage, control module 20 is also used to through control dehydration electric motor so that dehydration barrel is at second default turn
Alternate-running between speed and third preset rotation speed, wherein the second preset rotation speed is greater than third preset rotation speed, and the second preset rotation speed is big
In the first preset rotation speed.
In an embodiment of the present invention, obtaining module 10 can be obtained in real time by the velocity sensor being mounted in dehydration barrel
Take the feedback revolving speed of dehydration barrel, wherein velocity sensor can be, but not limited to be magnetoelectric tachometric transducer, Mageneto-sensitive type revolving speed biography
Sensor, Hall revolution speed transducer etc..
Optionally, velocity sensor may be mounted on the side wall of dehydration barrel, and it is provided with waterproofing protection.
In one embodiment of the invention, control module 20 carries out dehydration electric motor according to the feedback revolving speed of dehydration barrel
Control so that dehydration barrel dehydrating speed in wave band formula rise when, can first be arranged m revolving speed control point N1, N2, N3 ..., Nm,
When the feedback revolving speed of dehydration barrel reaches N1, control dehydration electric motor stops, and when the feedback revolving speed of dehydration barrel drops to N2, control
Dehydration electric motor starting processed, and when the feedback revolving speed of dehydration barrel rises to N3, control dehydration electric motor stops again, so anti-
It is multiple, until the feedback revolving speed of dehydration barrel rises to Nm.Wherein, m is the integer more than or equal to 2, such as can be 2,3,4；Nm is big
In N1, and it is equal to the first preset rotation speed.
Preferably, m revolving speed control point is configured according to the resonance point of washing machine.For example, completing to assemble in washing machine
When, can detecte the intrinsic frequency of washing machine, and then can be arranged accordingly m revolving speed control point N1, N2, N3 ..., Nm to be to avoid
The intrinsic frequency.
It is controlled as a result, according to the feedback revolving speed of dehydration barrel and m revolving speed dominating pair of vertices dehydration electric motor, can make to be dehydrated
Bucket dehydrating speed in wave band formula rise, avoid dehydration barrel with a certain fixed rotating speed rotates and make washing machine generation resonance,
Damage caused by washing machine is reduce or eliminated due to being dehydrated resonance.
Further, in one embodiment of the invention, control module 20 is by control dehydration electric motor so that dehydration barrel
Between the second preset rotation speed and third preset rotation speed when alternate-running, reach second specifically for the feedback revolving speed when dehydration barrel
When preset rotation speed, control dehydration electric motor stops, and when the feedback revolving speed of dehydration barrel drops to third preset rotation speed, control dehydration
Electric motor starting, and when the feedback revolving speed of dehydration barrel rises to the second preset rotation speed, control dehydration electric motor stops again, so
Repeatedly.
Specifically, control module 20, when the feedback revolving speed of dehydration barrel rises to the first preset rotation speed Nm, control is dehydrated
Motor continues to drive dehydration barrel operating, and the feedback revolving speed of dehydration barrel persistently rises；When the feedback revolving speed of dehydration barrel rises to second
When preset rotation speed, control dehydration electric motor stops, the feedback revolving speed decline of dehydration barrel；When the feedback revolving speed of dehydration barrel drops to third
When preset rotation speed, control dehydration electric motor starting, the feedback revolving speed of dehydration barrel rises；When the feedback revolving speed of dehydration barrel rises to second
When preset rotation speed, control dehydration electric motor stops again, repeatedly, until the long de- stage terminates.In this process, with dehydration
The loss of inner bucket water point, load are gradually reduced, and the feedback revolving speed of dehydration barrel is between the second preset rotation speed and third preset rotation speed
Alternating frequency be gradually increased, i.e. the second preset rotation speed drops to third preset rotation speed or third preset rotation speed to rise to second pre-
If the time of revolving speed is gradually shortened.
In some embodiments of the invention, can preset time of the washing machine in the long de- stage is when presetting
Between, when the feedback revolving speed of dehydration barrel rises to the first preset rotation speed, washing machine enters the long de- stage, starts timing, works as timing
When time reaches preset time, the long de- stage terminates.
Optionally, the preset time that washing machine is in the long de- stage can be fixed, and such as can be and bears for different
Carry the average time obtained with dehydrating effect by mathematical statistics.
In a specific example of the invention, when washing machine inputs the alternating current of 60Hz and carries out dehydration control, setting 3
A revolving speed control point N1, N2, N3, wherein N2 < N1 < N3.As shown in Fig. 2, control module 20 starts dehydration electric motor, work as dehydration barrel
Feedback revolving speed when reaching N1, control dehydration electric motor stops, the feedback revolving speed decline of dehydration barrel；When under the feedback revolving speed of dehydration barrel
When dropping to N2, dehydration electric motor starting is controlled again, and when the feedback revolving speed of dehydration barrel rises to N3, washing machine enters long de- rank
Section.During being somebody's turn to do, the feedback revolving speed of dehydration barrel rises in wave band formula.
After washing machine enters the long de- stage, further progress speed control.Specifically, control module 20 is when dehydration barrel
After feedback revolving speed reaches the second preset rotation speed S1, control dehydration electric motor stops, the feedback revolving speed decline of dehydration barrel, wherein and S1 >
N3；When feedback revolving speed drops to third preset rotation speed S2, restart dehydration electric motor, wherein S2 < S1；When the feedback of dehydration barrel
When revolving speed rises to the second preset rotation speed S1 again, control dehydration electric motor stops again, repeatedly, until long de- stage knot
Beam, the i.e. duration that the feedback revolving speed of dehydration barrel rises to after N3 reach preset time.
It should be noted that the feedback revolving speed of dehydration barrel drops to the time of S2 (or rising to S1 from S2) from S1, it can basis
The size of load changes, and the time reaches most short in empty barrel.When due to the starting of each dehydration electric motor, to dehydration electricity
Machine and wire assembly will cause rush of current, impact resistance number are as follows: T=(n/c) * d, wherein n be the long de- stage it is lasting when
Between, c is the fall time of long de- stage feedback revolving speed and the adduction of rise time, and d is the dehydration number of dehydration barrel.It can see
Out, in order to reduce impact resistance number to protect dehydration electric motor, it is possible to reduce the duration n in long de- stage reduces dehydration barrel
It is dehydrated number d, or increases the adduction c (weight for increasing wash load) of fall time and rise time.
In addition, it should also be noted that, by control dehydration electric motor so that the feedback revolving speed of dehydration barrel rises in wave band formula
And when washing machine being made to be in the long de- stage, it need to only meet N1<Nm<S1, S1>S2, N1>N2, N3>N4 etc., first is default
Relationship between revolving speed Nm and third preset rotation speed S2 can be unlimited.If m is odd number, N1, N3, N5 ..., between N (m-2)
Relationship, N2, N3, N6 ..., the relationship between N (m-1) can be it is unlimited；If m be even number, N1, N3, N5 ..., N (m-1)
Between relationship, N2, N3, N6 ..., the relationship between N (m-2) can be it is unlimited.For example, with reference to Fig. 3, when m value is 17
When, meeting N1<N17<S1, S1>S2, N1>N2, N3>N4, N5>N6, N7>N8, N9>N10, N11>N12, N13>N14, N15>
While N16, can be set N1=N3=N5=N7<N9<N11<N13<N15>N17, N2=N4=N6=N8<N10<N12<
N14<N16、S2>N17。
The dehydration control apparatus of washing machine according to an embodiment of the present invention executes dehydration journey in washing machine by obtaining module
Sequence constantly obtains the feedback revolving speed of dehydration barrel in real time, is carried out according to the feedback revolving speed of dehydration barrel to dehydration electric motor by control module
It controls so that the dehydrating speed of dehydration barrel rises in wave band formula, to avoid the resonance point of washing machine, and in the feedback of dehydration barrel turn
Speed rises to the first preset rotation speed, when washing machine is in the long de- stage, by control dehydration electric motor so that dehydration barrel is pre- second
If alternate-running between revolving speed and third preset rotation speed, thereby, it is possible to promote the dewatering of washing machine, the mill of dehydration barrel is reduced
Damage, and the cost of implementation of the device is low.
Further, the invention proposes a kind of washing machines.
Fig. 5 is the block diagram of the washing machine of the embodiment of the present invention.As shown in figure 5, the washing machine 1000 includes above-mentioned implementation
The dehydration control apparatus 100 of the washing machine of example.
In some embodiments of the invention, washing machine is preferably rotary drum washing machine.
The washing machine of the embodiment of the present invention is able to ascend the dewatering of itself by using above-mentioned dehydration control apparatus,
The abrasion of dehydration barrel is reduced, and cost of implementation is low.
In addition, other of the washing machine of the embodiment of the present invention constitute and effect is known to one skilled in the art
, to reduce redundancy, it is not repeated herein.
It should be noted that in flow charts indicate or logic and/or step described otherwise above herein, for example,
It is considered the order list of the executable instruction for realizing logic function, may be embodied in any computer can
Read in medium, for instruction execution system, device or equipment (such as computer based system, including the system of processor or its
He can be from instruction execution system, device or equipment instruction fetch and the system executed instruction) it uses, or combine these instruction executions
System, device or equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store,
Communicate, propagate, or transport program is for instruction execution system, device or equipment or combines these instruction execution systems, device or sets
The standby and device that uses.The more specific example (non-exhaustive list) of computer-readable medium include the following: have one or
The electrical connection section (electronic device) of multiple wirings, portable computer diskette box (magnetic device), random access memory (RAM), only
It reads memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable light
Disk read-only memory (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or its
His suitable medium, because can then be edited for example by carrying out optical scanner to paper or other media, be interpreted or must
It is handled when wanting with other suitable methods electronically to obtain described program, is then stored in computer storage
In.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " fixation " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of dehydration controlling method of washing machine, which is characterized in that the washing machine includes dehydration barrel and the driving dehydration
Bucket operating dehydration electric motor, the dehydration controlling method the following steps are included:
When the washing machine executes dehydration procedure, the feedback revolving speed of the dehydration barrel is obtained in real time；
The dehydrating speed of the dehydration barrel, which is in, to be controlled such that the dehydration electric motor according to the feedback revolving speed of the dehydration barrel
Wave band formula rises, to avoid the resonance point of the washing machine；
When the feedback revolving speed of the dehydration barrel rises to the first preset rotation speed, the washing machine enters the long de- stage；
The stage is taken off in the length, by controlling the dehydration electric motor so that the dehydration barrel is default in the second preset rotation speed and third
Alternate-running between revolving speed, wherein second preset rotation speed is greater than the third preset rotation speed, and second preset rotation speed is big
In first preset rotation speed.
2. the dehydration controlling method of washing machine according to claim 1, which is characterized in that according to the feedback of the dehydration barrel
Revolving speed is controlled such that the dehydrating speed of the dehydration barrel rises in wave band formula to the dehydration electric motor, comprising:
Be arranged m revolving speed control point N1, N2, N3 ..., Nm, wherein m is integer more than or equal to 2；
When the feedback revolving speed of the dehydration barrel reaches N1, controls the dehydration electric motor and stop, and in the feedback of the dehydration barrel
When revolving speed drops to N2, the dehydration electric motor starting is controlled, and when the feedback revolving speed of the dehydration barrel rises to N3, control
The dehydration electric motor stops again, repeatedly, until the feedback revolving speed of the dehydration barrel rises to Nm, wherein and Nm is greater than N1,
And it is equal to first preset rotation speed.
3. the dehydration controlling method of washing machine according to claim 2, which is characterized in that m revolving speed control point root
It is configured according to the resonance point of the washing machine.
4. the dehydration controlling method of washing machine according to any one of claim 1-3, which is characterized in that by controlling institute
Dehydration electric motor is stated so that dehydration barrel alternate-running between the second preset rotation speed and third preset rotation speed, comprising:
When the feedback revolving speed of the dehydration barrel reaches second preset rotation speed, controls the dehydration electric motor and stop, and in institute
When stating the feedback revolving speed of dehydration barrel and dropping to the third preset rotation speed, the dehydration electric motor starting is controlled, and described de-
When the feedback revolving speed of bucket rises to second preset rotation speed, controls the dehydration electric motor and stop again, repeatedly.
5. a kind of computer readable storage medium, which is characterized in that have and be stored in instruction therein, when described instruction is performed
When, the washing machine executes such as dehydration controlling method of any of claims 1-4.
6. a kind of dehydration control apparatus of washing machine, which is characterized in that the washing machine includes dehydration barrel and the driving dehydration
The dehydration electric motor of bucket operating, the dehydration control apparatus include obtaining module and control module, wherein
The feedback revolving speed for obtaining module and being used to obtain the dehydration barrel in real time when the washing machine executes dehydration procedure；
The control module is used to be controlled such that the dehydration electric motor according to the feedback revolving speed of the dehydration barrel described de-
The dehydrating speed of bucket rises in wave band formula, to avoid the resonance point of the washing machine, and in the feedback revolving speed of the dehydration barrel
When rising to the first preset rotation speed, the washing machine enters the long de- stage；
The stage is taken off in the length, the control module is also used to by controlling the dehydration electric motor so that the dehydration barrel is second
Alternate-running between preset rotation speed and third preset rotation speed, wherein second preset rotation speed is greater than the third preset rotation speed,
Second preset rotation speed is greater than first preset rotation speed.
7. the dehydration control apparatus of washing machine according to claim 6, which is characterized in that the control module is also used to,
Be arranged m revolving speed control point N1, N2, N3 ..., Nm, wherein m is integer more than or equal to 2；
When the feedback revolving speed of the dehydration barrel reaches N1, controls the dehydration electric motor and stop, and in the feedback of the dehydration barrel
When revolving speed drops to N2, the dehydration electric motor starting is controlled, and when the feedback revolving speed of the dehydration barrel rises to N3, control
The dehydration electric motor stops again, repeatedly, until the feedback revolving speed of the dehydration barrel rises to Nm, wherein and Nm is greater than N1,
And it is equal to first preset rotation speed.
8. the dehydration control apparatus of washing machine according to claim 7, which is characterized in that the control module is according to
M revolving speed control point is arranged in the resonance point of washing machine.
9. the dehydration control apparatus of washing machine a method according to any one of claims 6-8, which is characterized in that the control mould
Block is also used to,
When the feedback revolving speed of the dehydration barrel reaches second preset rotation speed, controls the dehydration electric motor and stop, and in institute
When stating the feedback revolving speed of dehydration barrel and dropping to the third preset rotation speed, the dehydration electric motor starting is controlled, and described de-
When the feedback revolving speed of bucket rises to second preset rotation speed, controls the dehydration electric motor and stop again, repeatedly.
10. a kind of washing machine, which is characterized in that the dehydration control including the washing machine according to any one of claim 6-9
Device processed.
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| CN201710327501.4A CN107177956B (en) | 2017-05-08 | 2017-05-08 | Washing machine and its dehydration controlling method, device |
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| CN107177956B true CN107177956B (en) | 2019-08-16 |
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| CN109487498B (en) * | 2018-11-16 | 2020-08-18 | 珠海格力电器股份有限公司 | Motor control method and device of washing equipment and washing equipment |
| CN113914061B (en) * | 2020-07-08 | 2023-12-15 | 无锡小天鹅电器有限公司 | Dehydration control method and device, clothes treatment equipment and storage medium |
| CN114016246B (en) * | 2021-12-02 | 2024-04-05 | 海信冰箱有限公司 | Washing machine and dehydration control method and device thereof |
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| CN1661156A (en) * | 2004-02-27 | 2005-08-31 | Lg电子株式会社 | Washing machine and method for controlling the same |
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| CN1621596A (en) * | 2003-11-25 | 2005-06-01 | 三星电子株式会社 | Washing machine and control method thereof |
| CN1661156A (en) * | 2004-02-27 | 2005-08-31 | Lg电子株式会社 | Washing machine and method for controlling the same |
| CN1876933A (en) * | 2005-06-10 | 2006-12-13 | 乐金电子(天津)电器有限公司 | Washing machine rotation speed control method capable of avoiding resonance and control apparatus therefor |
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