CN107201626A - Roller washing machine and its dehydration controlling method, device and machinable medium - Google Patents
Roller washing machine and its dehydration controlling method, device and machinable medium Download PDFInfo
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- CN107201626A CN107201626A CN201710401208.8A CN201710401208A CN107201626A CN 107201626 A CN107201626 A CN 107201626A CN 201710401208 A CN201710401208 A CN 201710401208A CN 107201626 A CN107201626 A CN 107201626A
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- roller
- acceleration
- value
- predetermined threshold
- threshold value
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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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The embodiment of the present invention provides a kind of roller washing machine and its dehydration controlling method, device and machinable medium, belongs to washing machine control technology field.Method includes：When roller is with the first rotational speed, the first acceleration undulating value of roller radial direction is at least determined；Second rotating speed associated with the first acceleration undulating value is selected from default dehydrating speed set, and controls roller with second rotational speed；When roller is with the second rotational speed, the second acceleration undulating value of the radial direction is at least determined；And when the second acceleration undulating value is more than the first predetermined threshold value, control roller stops dehydration.Pass through above-mentioned technical proposal, rational drum rotation speed can be set during barrel washing machine dehydration, prevent roller washing machine from occurring shaking and noise in dehydration, controlling washing machine to stop dehydration in serious imbalance by threshold value prevents the mechanical part impaction lesion of washing machine internal, improves the service life of washing machine.
Description
Technical field
The present invention relates to washing machine control technology field, more particularly to a kind of roller washing machine and its dehydration controlling party
Method, device and machinable medium.
Background technology
Roller washing machine rises in Europe, and generally side is uncapped.
From structure, roller washing machine is that rotatable interior a bucket or roller are mounted with fixed outer barrel, by
The driving roller rotation of controller controlled motor.
From principle, roller washing machine is to imitate the laundry principle design that clothing is knit in rod hammering, utilizes motor
Mechanical work rotates roller, and clothing is constantly elevated in roller, is thrown by clothing own wt, does repetition lifting and falls again
Lower motion, adding the collective effect of washing powder and water makes clothes washing clean, to reach decontamination purpose.
In frequency conversion roller washing machine, when the roller that variable-frequency motor is driven is uneven, the rotating speed of variable-frequency motor is higher,
Then the vibration of system and noise will be bigger, so that the service life of roller washing machine can be reduced.Therefore, frequency conversion roller washing machine
Need with laod unbalance detection function, can be by adjusting rotating speed or to negative when finding that load (such as roller) is uneven
The non-equilibrium state of load is changed, to reach the vibration of reduction system and the purpose of noise.
Prior art provides following unbalance detection, as shown in Figure 1：
Laod unbalance amount is detected in low speed, is judged whether to enter high speed dewatering and de- according to the size of amount of unbalance
Water rotating speed, is then dehydrated with the dehydrating speed of determination.
Present inventor has found during the present invention is realized, the such scheme of prior art, with the de- of determination
Clothing is due to the difference of water absorption rate during water rotating speed progress high speed dewatering, and with the loss of rate of water added, eccentric size can change.
Once there is larger bias, it may result in washing machine and occur the defect of vibrations and noise in high speed dewatering, and easily make to wash
The problem of there is impaction lesion in mechanical part inside clothing machine.
For above-mentioned technical problem, good solution is there is no in the prior art.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and apparatus, and this method and equipment can be de- in roller washing machine
Rational drum rotation speed is set during water.
To achieve these goals, the embodiment of the present invention provides a kind of dehydration controlling method for drum washing machine, this method bag
Include：
When roller is with the first rotational speed, the first acceleration undulating value of the roller radial direction is at least determined；
Second rotating speed associated with the first acceleration undulating value is selected from default dehydrating speed set, and is controlled
The roller is with second rotational speed；
When the roller is with second rotational speed, the second acceleration fluctuation of the radial direction is at least determined
Value；And
When the second acceleration undulating value is more than the first predetermined threshold value, the roller is controlled to stop dehydration.
Alternatively, this method also includes：
When the second acceleration undulating value is less than or equal to the second predetermined threshold value, from the default dehydrating speed set
The 3rd rotating speed of middle selection, and the roller is controlled with the 3rd rotational speed, wherein, the 3rd rotating speed is more than described second
Rotating speed, and second predetermined threshold value are less than first predetermined threshold value.
Alternatively, this method also includes：
When the second acceleration undulating value is less than or equal to first predetermined threshold value and more than the described second default threshold
During value, the roller is controlled to continue with second rotational speed.
Alternatively, first predetermined threshold value is associated with second rotating speed with second predetermined threshold value.
Alternatively, the first acceleration undulating value is footpath during the roller is rotated a circle with first rotating speed
To the difference of the maxima and minima of directional acceleration；And the second acceleration undulating value is the roller with described the
During two rotating speeds rotate a circle, the difference of the maxima and minima of radial direction acceleration.
Alternatively, this method is additionally included in the roller with first rotating speed or the pre- fixing turn of the second rotational speed
The first acceleration undulating value or the second acceleration undulating value are determined afterwards.
Alternatively, this method also includes：
After the control roller stops dehydration, execution is default to shake loose operation.
Alternatively, this method also includes：
Perform once described preset to shake loose after operation, make the roller dehydrated to carry out with the first rotational speed again
Journey；And
Perform it is described it is default shake loose operation and reach after pre-determined number, control the roller to stop.
On the other hand, the embodiment of the present invention provides a kind of barrel washing machine dehydration control device, and the device includes：
Controller and the acceleration transducer coupled with the controller, wherein
The acceleration transducer, is configured to measure the radial acceleration of roller；And
The controller, is configured to：
When roller is with the first rotational speed, the of at least described roller radial direction is obtained from the acceleration transducer
One acceleration undulating value；
Second rotating speed associated with the first acceleration undulating value is selected from default dehydrating speed set, and is controlled
The roller is with second rotational speed；
When the roller is with second rotational speed, at least described radial direction is obtained from the acceleration transducer
The second acceleration undulating value；And
When the second acceleration undulating value is more than the first predetermined threshold value, the roller is controlled to stop dehydration.
Alternatively, the controller is further configured to：
When the second acceleration undulating value is less than or equal to the second predetermined threshold value, from the default dehydrating speed set
The 3rd rotating speed of middle selection, and the roller is controlled with the 3rd rotational speed, wherein, the 3rd rotating speed is more than described second
Rotating speed, and second predetermined threshold value are less than first predetermined threshold value.
Alternatively, the controller is further configured to：
When the second acceleration undulating value is less than or equal to first predetermined threshold value and more than the described second default threshold
During value, the roller is controlled to continue with second rotational speed.
Alternatively, first predetermined threshold value is associated with second rotating speed with second predetermined threshold value.
Alternatively, the first acceleration undulating value is footpath during the roller is rotated a circle with first rotating speed
To the difference of the maxima and minima of directional acceleration；And the second acceleration undulating value is the roller with described the
During two rotating speeds rotate a circle, the difference of the maxima and minima of radial direction acceleration.
Alternatively, the controller is further configured to：Turned in the roller with first rotating speed or second rotating speed
After dynamic pre- fixing turn the first acceleration undulating value or second acceleration fluctuation are obtained from the acceleration transducer
Value.
Alternatively, the controller is further configured to：
After the control roller stops dehydration, execution is default to shake loose operation.
Alternatively, the controller is further configured to：
Perform once described preset to shake loose after operation, make the roller dehydrated to carry out with the first rotational speed again
Journey；And
Perform it is described it is default shake loose operation and reach after pre-determined number, control the roller to stop.
On the other hand, embodiments of the invention are provided on a kind of machinable medium, the machinable medium
Be stored with instruction, and the instruction is used to cause machine to perform above-mentioned method.
On the other hand, embodiments of the invention provide a kind of roller washing machine, and the roller washing machine includes above-mentioned device.
By above-mentioned technical proposal, determined during barrel washing machine dehydration according to the acceleration undulating value of radial direction
Non-equilibrium state, can set rational drum rotation speed during barrel washing machine dehydration, to prevent roller washing machine de-
Occur shaking and noise during water, controlling washing machine to stop dehydration in serious imbalance by threshold value can prevent from washing
Mechanical part impaction lesion inside clothing machine, improves the service life of washing machine.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and constitutes a part for specification, with
The embodiment in face is used to explain the embodiment of the present invention together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure：
Fig. 1 is a kind of dehydration controlling method flow chart that prior art is provided；
Fig. 2 is the dehydration controlling method for drum washing machine flow chart that illustrated embodiments of the invention are provided；
Fig. 3 is the dehydration controlling method for drum washing machine flow chart that another example embodiment of the invention is provided；
Fig. 4 is rotating speed and time relationship and detection in dehydration controlling method for drum washing machine provided in an embodiment of the present invention
Point sets schematic diagram；
Fig. 5 is the barrel washing machine dehydration control device composition schematic diagram that illustrated embodiments of the invention are provided；
Fig. 6 is the roller washing machine composition and dehydration control principle schematic diagram that illustrated embodiments of the invention are provided.
Description of reference numerals
The acceleration transducer of 501 controller 502
The speed command generating unit of 503 revolution detector 601
The motor of 602 drive and control of electric machine portion 603
The 604 uneven uneven test sections of processing unit 605.
Embodiment
The embodiment of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this
The embodiment of place description is merely to illustrate and explain the present invention embodiment, is not intended to limit the invention embodiment.
It should be noted that in the description of the invention, term " first ", " second " are only used for the different portion of convenient description
Part, and it is not intended that indicating or implying ordinal relation, relative importance or the implicit number for indicating indicated technical characteristic
Amount.Thus, " first " is defined, at least one this feature can be expressed or be implicitly included to the feature of " second ".
In the description of the invention, it is to be understood that term " on ", " under ", " interior ", " outer ", " top ", " bottom " etc. are indicated
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
Those skilled in the art of the present technique are appreciated that the wording " comprising " and "comprising" that are used in the specification of the present invention are
Finger there is features described above, integer, step, operation, element and/or component, but it is not excluded that in the presence of or add it is one or more
Other features, integer, step, operation, element, component and/or combinations thereof.It should be understood that when we claim element by " even
Connect " or during " coupled " to another element, it can be directly connected or coupled to other elements, or can also have cental element
Part.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.Wording used herein " and/
Or " include one or more associated wholes or any cell for listing item and all combine.
The principle to the present invention by taking the dehydration of frequency conversion roller washing machine as an example is illustrated, it is necessary to which what is illustrated is below
Embodiments of the present invention are not limited to this.
Fig. 2 is the dehydration controlling method for drum washing machine flow chart that illustrated embodiments of the invention are provided.As shown in Fig. 2 this
The dehydration controlling method for drum washing machine that inventive embodiments are provided can include：
S201, when roller is with the first rotational speed, at least determines the first acceleration fluctuation of the roller radial direction
Value.
For example, in embodiment, the first rotating speed can be roller washing machine before dehydration is entered or have just enter into
The drum rotation speed of dehydration, under first rotating speed, roller washing machine can pass through the acceleration at least one radial direction
Degree is detected to judge the clothing quality in roller and the eccentric or uneven degree of roller.
In embodiment, it can be at least one radial direction at least to determine the radial direction in the roller radial direction
Can be for example, two radial directions, three radial directions, more radial directions etc., in various embodiments, at least one
Individual radial direction can also be at least one radial direction and an axial direction.Acceleration undulating value can represent roll circumference
(for example, outer) in roller rotation process acceleration intensity of variation, therefore can directly reflect in roller rotation process
Eccentric or dynamic unbalance degree.
In embodiment, each that can be directed to respectively at least one radial direction sets a predetermined threshold value.Example
Such as, in the example of three radial directions, three predetermined threshold values can be set for three radial directions respectively.Such as weighed
The external environmental factors such as power influence, the displacement width occurred during the circle of roller rotation one in each radial direction of roller washing machine
Value can have difference, therefore set different threshold values more accurately to judge the uneven shape of roller for different radial directions
State.
In embodiment, during acceleration undulating value △ S can rotate a circle for the roller, a radial direction adds
The maximum S of speedmaxWith minimum value SminDifference, physical relationship can be as shown in below equation (1)：
△ S=Smax- Smin(1)
In embodiment, acceleration can be measured by the acceleration transducer set on outer drum for drum washing machine.
For example, an acceleration transducer can be set for each radial direction.In different examples, 3D (three-dimensional) can be set to add
Velocity sensor is measured to the acceleration of the multiple directions of such as three orthogonal directions.
S202, selects second rotating speed associated with the first acceleration undulating value from default dehydrating speed set,
And the roller is controlled with second rotational speed.
For example, in embodiment, when the clothing quality in dehydration roller at initial stage and/or the imbalance of roller is determined
Or during eccentric situation, the dehydrating speed that roller washing machine can be set to use accordingly.For example, can be according to pre-setting
Corresponding relation (for example, the corresponding relation between clothing quality and dehydrating speed, or pair between eccentric degree and dehydrating speed
Should be related to) the second rotating speed is set to roller as dehydrating speed.
In embodiment, can by such as controller to motor send control instruction so that roller from the first rotating speed with pre-
If acceleration accelerates to turn to the second rotating speed.Predetermined acceleration can be the default dehydration of roller washing machine in embodiment
Acceleration.The acceleration can be a steady state value, for example, can be the steady state value associated with roller underpants amount of substance.It should add
Speed can also be a changing value, for example, can be associated with roller underpants amount of substance and change with drum rotation speed and become
The value of change, for example, when drum rotation speed is improved, acceleration also becomes big therewith.
S203, when the roller is with second rotational speed, at least determines the second acceleration of the radial direction
Undulating value.
In embodiment, the step is similar with S201 implementation.
S204, when the second acceleration undulating value is more than the first predetermined threshold value, controls the roller to stop dehydrated
Journey.
By above-mentioned technical proposal, determined during barrel washing machine dehydration according to the acceleration undulating value of radial direction
Non-equilibrium state, can set rational drum rotation speed during barrel washing machine dehydration, to prevent roller washing machine de-
Occur shaking and noise during water, controlling washing machine to stop dehydration in serious imbalance by threshold value can prevent from washing
Mechanical part impaction lesion inside clothing machine, improves the service life of washing machine.
Fig. 3 is the dehydration controlling method for drum washing machine flow chart that another example embodiment of the invention is provided.Fig. 4 is this
Rotating speed sets schematic diagram with time relationship and test point in the dehydration controlling method for drum washing machine that inventive embodiments are provided.With
The principle of the present invention is described in further detail lower combination Fig. 3 and Fig. 4.
As shown in figure 3, in embodiment, the above method can include：When judging second acceleration wave in S309
Dynamic value is less than or equal to the second predetermined threshold value F2When, S310 can be performed, the 3rd is selected from the default dehydrating speed set
Rotating speed, and control the roller to continue dehydration with the 3rd rotational speed, wherein, the 3rd rotating speed is more than described the
Two rotating speeds, and the second predetermined threshold value F2Less than the first predetermined threshold value F1。
In embodiment, after the 3rd rotating speed is selected, S311 can be performed and judge whether the 3rd rotating speed is laundry drum
The maximum (top) speed of machine.When it is determined that it is that can no longer carry out above-mentioned acceleration undulating value and predetermined threshold value that the 3rd rotating speed, which is maximum (top) speed,
Deterministic process, directly with the maximum (top) speed control roller rotate, until S313 judges that dehydration reaches preset time.
In embodiment, default dehydrating speed set can be configured according to the performance parameter of roller washing machine.Such as Fig. 4
Shown, the dehydrating speed set of citing can include 400rpm, 600rpm, 800rpm and 1000rpm.In embodiment, in advance
If dehydrating speed set can include any tachometer value for being likely to be breached during barrel washing machine dehydration, it may for example comprise can be with
Clothing is set to adhere to the maximum (top) speed that the rotating speed and roller of inner wall of rotary drum can reach.
Because with the progress of dehydration, the Influence from Eccentric that clothing is caused for roller can be with moisture in clothing
Change and change.By above-mentioned technical proposal, by being carried out during barrel washing machine dehydration to acceleration undulating value and the
Two predetermined threshold value F2Comparison, dehydrating speed can be improved in the case where roller washing machine poised state is good, so as to improve
The dewatering efficiency of roller washing machine.
In embodiment, when judging that the second acceleration undulating value is less than or equal to by judgment step S307 and S309
The first predetermined threshold value F1And more than the second predetermined threshold value F2When, can perform step 312 control the roller to continue with
Second rotational speed.In embodiment, it is less than or equal to the first predetermined threshold value F in the second acceleration undulating value1And
More than the second predetermined threshold value F2When, it is believed that the eccentric situation of roller is basically unchanged, therefore can be continuing with second
Rotating speed control roller dehydration, without reduction of speed or speedup.
In embodiment, the above-mentioned first predetermined threshold value F of predetermined threshold value is determined according to rotating speed at step S3061It is pre- with second
If threshold value F2Can be associated with the second rotating speed.In other words, the first predetermined threshold value F1With the second predetermined threshold value F2It is to be washed with roller
What the current roller rotating speed of clothing machine was associated.Because roller offset same under different rotating speeds can be caused not to roller
Same influence, therefore, sets for different rotating speeds judge that eccentric predetermined threshold value can accurately judge current respectively
Roller poised state.
In embodiment, the first acceleration undulating value is that radial direction adds during roller is rotated a circle with the first rotating speed
The difference of the maxima and minima of speed；And second acceleration undulating value be that roller is rotated a circle process with the second rotating speed
In, the difference of the maxima and minima of radial direction acceleration.Above acceleration undulating value can by such as set with
The acceleration magnitude of the acceleration transducer measurement of outer drum for drum washing machine is calculated by equation (1) to be obtained.
As shown in figure 4, in embodiment, method provided in an embodiment of the present invention is additionally may included in roller and rotates predetermined circle
The first acceleration undulating value or the second acceleration undulating value are determined after number (or scheduled time).By above-mentioned setting, roller is washed
Clothing machine cylinder can obtain the adjustment of certain time or the number of turns when reaching a certain rotating speed, thus release rate change to eccentric or
The influence that imbalance judges.
In embodiment, the above method also includes：After the control roller stops dehydration, default tremble is performed
Dissipate operation (not shown).In a further embodiment, method can also include：Described preset is performed once to shake loose after operation,
Again make the roller with the first rotational speed to carry out dehydration；And perform and described default shake loose operation and reach predetermined time
After number, the roller is controlled to stop.
In embodiment, shake loose operation can using such as reduce drum rotation speed so that clothing redistributed in roller,
Or intake into roller so that clothing such as redistributes at the available balanced adjustment technology of roller washing machine in roller.In addition,
After control roller stops, method can also include alarming step, for example, washing machine imbalance is alarmed by sound.
The embodiment of the present invention another aspect provides a kind of barrel washing machine dehydration control device, this hair can be performed
The dehydration controlling method for drum washing machine that bright above-described embodiment is provided.
Fig. 5 is the barrel washing machine dehydration control device composition schematic diagram that illustrated embodiments of the invention are provided.Such as Fig. 5 institutes
Show, barrel washing machine dehydration control device provided in an embodiment of the present invention can include：
Controller 501 and the acceleration transducer 502 coupled with the controller 501, wherein acceleration transducer 502,
It may be configured to the radial acceleration of measurement cylinder；And controller 501, it may be configured to：In roller with the first rotating speed
During rotation, the first acceleration undulating value of at least described roller radial direction is obtained from the acceleration transducer 502；From default
Select second rotating speed associated with the first acceleration undulating value in dehydrating speed set, and control the roller with this
Two rotational speeds；When the roller is with second rotational speed, at least described footpath is obtained from the acceleration transducer 502
To the second acceleration undulating value in direction；And when the second acceleration undulating value is more than the first predetermined threshold value, control institute
State roller and stop dehydration.
In embodiment, controller 501 can be configured to：When the second acceleration undulating value is less than or equal to the
During two predetermined threshold values, the 3rd rotating speed is selected from the default dehydrating speed set, and control the roller with described 3rd turn
Speed is rotated, wherein, the 3rd rotating speed is more than second rotating speed, and second predetermined threshold value is less than described first and preset
Threshold value.
In embodiment, controller 501 can be configured to：When the second acceleration undulating value is less than or equal to institute
When stating the first predetermined threshold value and being more than second predetermined threshold value, the roller is controlled to continue with second rotational speed.
In embodiment, controller 501 can obtain the rotating speed of roller from speed detector 503.In embodiment, speed
Detector 503 can be included in above-mentioned dehydration control apparatus, can also be set in roller washing machine.
In embodiment, the first predetermined threshold value can be associated with the second rotating speed with the second predetermined threshold value.First acceleration
During undulating value can be rotated a circle for roller with the first rotating speed, the difference of the maxima and minima of radial direction acceleration
Value；And second acceleration undulating value can be rotated a circle with the second rotating speed for roller during, radial direction acceleration is most
The difference of big value and minimum value.
In embodiment, controller 501 can be configured to：In the roller with first rotating speed or described second
After the pre- fixing turn of rotational speed the first acceleration undulating value or second acceleration are obtained from the acceleration transducer
Spend undulating value.
Fig. 6 is the roller washing machine composition and dehydration control principle schematic diagram that illustrated embodiments of the invention are provided.Such as Fig. 6 institutes
Show, the controller 501 shown in Fig. 5 may further include uneven test section 605 and uneven processing unit 604.
In embodiment, the roller radial direction that uneven processing unit 604 can be obtained according to uneven test section 605 adds
Speed and drum rotation speed judged roller washing machine dynamic unbalance state, and according to judged result output control signal,
The instruction that can be read by drive and control of electric machine portion 602 is generated by speed command generating unit 601, passes through drive and control of electric machine portion
The operation of 602 controlled motors 603.
In embodiment, using above-mentioned control principle, controller 501 can be configured to, and stop in control roller de-
After water process, execution is default to shake loose operation.In a further embodiment, controller 501 can be configured to：Perform once
Described preset is shaken loose after operation, and the roller is made again with the first rotational speed to carry out dehydration；And perform described pre-
If shaking loose operation to reach after pre-determined number, the roller is controlled to stop.
Embodiments of the invention are on the other hand there is provided a kind of machinable medium, on the machinable medium
Be stored with instruction, and the instruction is used to cause machine to perform above-mentioned control method for drum washing machine.
The another further aspect of embodiments of the invention includes above-mentioned rolling there is provided a kind of roller washing machine, the roller washing machine
Cylinder controller of washer.
The optional embodiment of example of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is not limited
Detail in above-mentioned embodiment, can be to the embodiment of the present invention in the range of the technology design of the embodiment of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair
Various possible combinations no longer separately illustrate.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by
Program instructs the hardware of correlation to complete, and the program storage is in a storage medium, including some instructions are to cause one
Individual (can be single-chip microcomputer, chip etc.) or processor (processor) perform the whole of each embodiment methods described of the application
Or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
In addition, can also be combined between a variety of embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is run counter to, it should equally be considered as disclosure of that of the embodiment of the present invention.
Claims (18)
1. a kind of dehydration controlling method for drum washing machine, it is characterised in that this method includes：
When roller is with the first rotational speed, the first acceleration undulating value of the roller radial direction is at least determined；
Second rotating speed associated with the first acceleration undulating value is selected from default dehydrating speed set, and is controlled described
Roller is with second rotational speed；
When the roller is with second rotational speed, the second acceleration undulating value of the radial direction is at least determined；With
And
When the second acceleration undulating value is more than the first predetermined threshold value, the roller is controlled to stop dehydration.
2. according to the method described in claim 1, it is characterised in that this method also includes：
When the second acceleration undulating value is less than or equal to the second predetermined threshold value, selected from the default dehydrating speed set
The 3rd rotating speed is selected, and controls the roller with the 3rd rotational speed, wherein, the 3rd rotating speed is more than described second turn
Speed, and second predetermined threshold value are less than first predetermined threshold value.
3. method according to claim 2, it is characterised in that this method also includes：
When the second acceleration undulating value is less than or equal to first predetermined threshold value and is more than second predetermined threshold value,
The roller is controlled to continue with second rotational speed.
4. method according to claim 2, it is characterised in that first predetermined threshold value and second predetermined threshold value with
Second rotating speed is associated.
5. the method according to any one of claim 1-4, it is characterised in that the first acceleration undulating value is described
During roller is rotated a circle with first rotating speed, the difference of the maxima and minima of radial direction acceleration；And institute
It is the maximum of radial direction acceleration during the roller is rotated a circle with second rotating speed to state the second acceleration undulating value
The difference of value and minimum value.
6. method according to claim 5, it is characterised in that this method is additionally included in the roller with first rotating speed
Or the first acceleration undulating value or the second acceleration undulating value are determined after the pre- fixing turn of the second rotational speed.
7. according to the method described in claim 1, it is characterised in that this method also includes：
After the control roller stops dehydration, execution is default to shake loose operation.
8. method according to claim 7, it is characterised in that this method also includes：
Perform once described preset to shake loose after operation, the roller is made again with the first rotational speed to carry out dehydration；With
And
Perform it is described it is default shake loose operation and reach after pre-determined number, control the roller to stop.
9. a kind of barrel washing machine dehydration control device, it is characterised in that the device includes：
Controller and the acceleration transducer coupled with the controller, wherein
The acceleration transducer, is configured to measure the radial acceleration of roller；And
The controller, is configured to：
When roller is with the first rotational speed, obtain at least described roller radial direction from the acceleration transducer first adds
The speed fluctuation；
Second rotating speed associated with the first acceleration undulating value is selected from default dehydrating speed set, and is controlled described
Roller is with second rotational speed；
When the roller is with second rotational speed, the of at least described radial direction is obtained from the acceleration transducer
Two acceleration undulating values；And
When the second acceleration undulating value is more than the first predetermined threshold value, the roller is controlled to stop dehydration.
10. device according to claim 9, it is characterised in that the controller is further configured to：
When the second acceleration undulating value is less than or equal to the second predetermined threshold value, selected from the default dehydrating speed set
The 3rd rotating speed is selected, and controls the roller with the 3rd rotational speed, wherein, the 3rd rotating speed is more than described second turn
Speed, and second predetermined threshold value are less than first predetermined threshold value.
11. device according to claim 10, it is characterised in that the controller is further configured to：
When the second acceleration undulating value is less than or equal to first predetermined threshold value and is more than second predetermined threshold value,
The roller is controlled to continue with second rotational speed.
12. device according to claim 10, it is characterised in that first predetermined threshold value and second predetermined threshold value
It is associated with second rotating speed.
13. the device according to any one of claim 9-12, it is characterised in that the first acceleration undulating value is institute
State during roller rotates a circle with first rotating speed, the difference of the maxima and minima of radial direction acceleration；And
The second acceleration undulating value is that radial direction acceleration is most during the roller is rotated a circle with second rotating speed
The difference of big value and minimum value.
14. device according to claim 13, it is characterised in that the controller is further configured to：The roller with
Described first is obtained after first rotating speed or the pre- fixing turn of the second rotational speed from the acceleration transducer to accelerate
Spend undulating value or the second acceleration undulating value.
15. device according to claim 9, it is characterised in that the controller is further configured to：
After the control roller stops dehydration, execution is default to shake loose operation.
16. device according to claim 15, it is characterised in that the controller is further configured to：
Perform once described preset to shake loose after operation, the roller is made again with the first rotational speed to carry out dehydration；With
And
Perform it is described it is default shake loose operation and reach after pre-determined number, control the roller to stop.
17. be stored with instruction on a kind of machinable medium, the machinable medium, the instruction is used to cause machine
Perform claim requires the method any one of 1-8.
18. a kind of roller washing machine, it is characterised in that the roller washing machine includes the dress any one of claim 9-16
Put.
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