CN105986399B - Washing machine and the method for judging washing machine load bias - Google Patents
Washing machine and the method for judging washing machine load bias Download PDFInfo
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- CN105986399B CN105986399B CN201510097908.3A CN201510097908A CN105986399B CN 105986399 B CN105986399 B CN 105986399B CN 201510097908 A CN201510097908 A CN 201510097908A CN 105986399 B CN105986399 B CN 105986399B
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Abstract
The present invention proposes a kind of washing machine, including：Inner cylinder, motor, acceleration transducer and controller.Motor, for driving inner cylinder to be rotated according to dehydration beat set in advance to complete dehydration；Acceleration transducer, the acceleration rotated for detecting inner cylinder according to dehydration beat set in advance；Controller, for determining whether bias by comparing the size of acceleration in dehydration and predetermined threshold value.The washing machine of the present invention can accurately judge to load eccentric situation according to the acceleration detected in real time.The present invention also proposes a kind of method for judging that washing machine load is eccentric.
Description
Technical field
The present invention relates to washing machine manufacturing technology field, more particularly to a kind of washing machine and judgement washing machine to load bias
Method.
Background technology
Rotary drum washing machine clothing bias is judged at present, and the method for generally use is：Apart from the certain position of inner tank of washing machine
Put installation door switch, door switch, which has, certain severs stroke.When washing machine undergarment, which produces winding, occurs eccentric larger, can draw
The larger skew of inner cylinder is played, if offset has reached the stroke that severs of door switch, door switch severs, and carries out clothing and shakes loose, weight
New dehydration.But when as a rule, bucket undergarment is eccentric larger, because the uncertainty of inner cylinder movement locus causes inner cylinder can not
Door switch is bumped against, door switch failure occurs, causes the serious consequences such as washing machine movement.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of washing machine that can accurately judge that load is eccentric.
Second object of the present invention is to propose a kind of method for judging that washing machine load is eccentric.
Washing machine according to embodiments of the present invention, including：Inner cylinder, motor, acceleration transducer and controller.Motor, use
In driving the inner cylinder to be rotated according to dehydration beat set in advance to complete dehydration, the dehydration beat is to rotate, stop
Trochanter is clapped, and the dehydration includes the first boost phase after startup stage, the startup stage, first boost phase
The length after the second boost phase and the second boost phase afterwards takes off the stage.Acceleration transducer, for detect the inner cylinder according to
The acceleration that the dehydration beat set in advance rotates.Controller, for the startup stage the first acceleration with
The size of first predetermined threshold value, first acceleration are the maximum of the acceleration of the startup stage；The controller is also
For the second acceleration of first boost phase and the size of the second predetermined threshold value, second acceleration to be institute
State the maximum of acceleration of first dehydration beat and adding for last dehydration beat in the first boost phase
The absolute value of the difference of the maximum of speed；The controller is additionally operable to, the 3rd acceleration of second boost phase
With the size of the 3rd predetermined threshold value, the 3rd acceleration is the acceleration when inner cylinder in second boost phase rotates
The minimum value of acceleration when the maximum of degree stops with the inner cylinder；The controller is additionally operable to, and the length takes off the stage
The 4th acceleration and the 4th predetermined threshold value size, the 4th acceleration be the length take off the stage acceleration maximum
Value；When first acceleration is more than first predetermined threshold value, or second acceleration is less than the second predetermined threshold value, or institute
State when the 3rd acceleration is more than four predetermined threshold value more than the 3rd predetermined threshold value or the 4th acceleration and be determined with
It is eccentric.
Washing machine according to embodiments of the present invention, using motor drive inner cylinder according to it is set in advance dehydration beat rotate with
Complete dehydration.Detect what inner cylinder rotated according to dehydration beat set in advance by acceleration transducer in dehydration
Acceleration, while controller determines whether bias by comparing the size of acceleration in dehydration and predetermined threshold value.
The washing machine of the present invention can accurately judge to load eccentric situation according to the acceleration detected in real time.
In some instances, the controller is additionally operable to control the inner cylinder to stall and to described interior when being determined with bias
Cylinder plus water shake loose load.
In some instances, the controller is additionally operable to：When first acceleration is less than first predetermined threshold value,
The inner cylinder is controlled to be rotated further until entering the first boost phase after the completion of the startup stage；When second acceleration is big
When the second predetermined threshold value, control the inner cylinder to be rotated further and add until entering described second after the completion of first boost phase
The fast stage；When the 3rd acceleration is less than three predetermined threshold value, the inner cylinder is controlled to be rotated further until described the
Enter the length after the completion of two boost phases and take off the stage；When the 4th acceleration is more than four predetermined threshold value, control
The inner cylinder is rotated further until completing the dehydration.
In some instances, the acceleration transducer is arranged on the outer wall of the inner cylinder.
In some instances, the washing machine also includes：Warning device, for judging bias occur when the controller
Number is alarmed when being more than predetermined threshold value.
Further, in some instances, the predetermined threshold value is 3.
A kind of method for judging that washing machine load is eccentric, including following step are proposed in the embodiment of second aspect of the present invention
Suddenly：
It will load and be placed in the inner cylinder of the washing machine and drive the inner cylinder to be rotated according to predetermined dehydration beat with complete
Into dehydration, the dehydration beat is rotates, stalling beat, and the dehydration includes startup stage, the startup stage
The length after the second boost phase and the second boost phase after rear the first boost phase, first boost phase takes off the stage；
Detect the acceleration that the inner cylinder rotates in the dehydration according to predetermined dehydration beat；
Compare the first acceleration and the first predetermined threshold value, or the second acceleration and the second predetermined threshold value, or the 3rd acceleration
With the 3rd predetermined threshold value or the size of the 4th acceleration and the 4th predetermined threshold value；And
When the first acceleration is more than first predetermined threshold value, or second acceleration is less than the second predetermined threshold value, or
3rd acceleration judges when being more than four predetermined threshold value more than the 3rd predetermined threshold value or the 4th acceleration
There is bias, first acceleration is the maximum of the acceleration of the startup stage, and second acceleration is described first
The maximum of the acceleration of first dehydration beat and the acceleration of last dehydration beat in boost phase
The absolute value of the difference of maximum, the 3rd acceleration are the acceleration when inner cylinder in second boost phase rotates
The minimum value of acceleration when the maximum of degree stops with the inner cylinder, the 4th acceleration are the acceleration that the length takes off the stage
The maximum of degree.
The method for judging that washing machine load is eccentric according to embodiments of the present invention, inner cylinder is according to dehydration beat set in advance
Rotate to complete dehydration.Inner cylinder is detected according to dehydration beat set in advance by acceleration transducer in dehydration
The acceleration of rotation, while determine whether bias by comparing the size of acceleration in dehydration and predetermined threshold value.
The eccentric method of the judgement washing machine of the present invention can accurately judge to load eccentric situation according to the acceleration detected in real time.
In some instances, control the inner cylinder to stall when being determined with bias and add water to shake loose load to the inner cylinder.
In some instances, when first acceleration is less than first predetermined threshold value, the inner cylinder is controlled to continue
Rotate up to after the completion of the startup stage and enter the first boost phase；When second acceleration is more than the second predetermined threshold value
When, control the inner cylinder to be rotated further until entering second boost phase after the completion of first boost phase；When described
When 3rd acceleration is less than three predetermined threshold value, the inner cylinder is controlled to be rotated further until second boost phase is completed
Enter the length afterwards and take off the stage；When the 4th acceleration is more than four predetermined threshold value, the inner cylinder is controlled to continue to turn
Move until completing the dehydration.
In some instances, if it is determined that when the number for having bias is more than predetermined threshold value, then alert process is carried out.
Further, in some instances, the predetermined threshold value is 3.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structured flowchart of washing machine according to an embodiment of the invention；
Fig. 2 is the schematic diagram of the dehydration of one embodiment of the invention；
Fig. 3 is the schematic diagram of the washing machine of one embodiment of the invention；
Fig. 4 is the change curve of the acceleration of one embodiment of the invention；With
Fig. 5 is the flow chart of the eccentric method of judgement washing machine load according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Referring to Fig. 1, the washing machine 100 of first aspect present invention embodiment includes：Inner cylinder 10, motor 20, acceleration sensing
Device 30 and controller 40.Motor 20 is used to drive inner cylinder 10 to rotate to complete dehydration according to dehydration beat set in advance,
Dehydration beat is rotates, stalling beat, and dehydration adds including the first boost phase after startup stage, startup stage, first
The length after the second boost phase and the second boost phase after the fast stage takes off the stage.Acceleration transducer 30 is used to detect inner cylinder 10
The acceleration rotated according to dehydration beat set in advance.Controller 40 is used for the first acceleration and first for comparing startup stage
The size of predetermined threshold value, compare the second acceleration of the first boost phase and the size of the second predetermined threshold value, compare the second acceleration
3rd acceleration in stage and the size of the 3rd predetermined threshold value, the 4th acceleration in long de- stage and the 4th predetermined threshold value
Size.
When the first acceleration is more than first predetermined threshold value, or the second acceleration is less than the second predetermined threshold value, or the 3rd
Acceleration is determined with bias when being more than four predetermined threshold values more than the 3rd predetermined threshold value or the 4th acceleration.First acceleration is to open
The maximum of the acceleration in dynamic stage.Second acceleration is the maximum of the acceleration of first dehydration beat in the first boost phase
The absolute value of value and the difference of the maximum of the acceleration of last dehydration beat.3rd acceleration is in the second boost phase
Acceleration when stopping of maximum and the inner cylinder 10 of acceleration of the inner cylinder 10 when rotating minimum value.4th acceleration is long de-
The maximum of the acceleration in stage.
Specifically, in one embodiment of the invention, the dehydration of washing machine 100, as shown in Fig. 2 setting successively
For a de- stage, long de- stage, used de- stage.The dehydration beat of the washing machine of the embodiment of the present invention is rotates, stalling beat.Root
According to the washing machine of the embodiment of the present invention dehydration beat the characteristics of, the washing machine of the embodiment of the present invention, which passes through, takes off the stage between detection
The second boost phase after the first boost phase (slow accelerator), the first boost phase after startup stage, startup stage
The acceleration in (quick accelerator) and long de- stage (having risen to maximum speed) judges the eccentric degree of load.
In one embodiment of the invention, acceleration transducer 30 is unidirectional transducer, installed in the outer wall of inner cylinder 10
On, as shown in Figure 3.Acceleration transducer 30 is used to detect the acceleration that inner cylinder 10 rotates in dehydration in real time.
The control process of controller 40 is as follows：
(1) the first acceleration of startup stage and the size of the first predetermined threshold value are compared, the first acceleration is startup stage
Acceleration maximum.
When the first acceleration is more than the first predetermined threshold value, bias is determined with, the controlled motor 20 of controller 40 is so that inner cylinder
10 stallings simultaneously shake loose load to inner cylinder 10 plus water.
When the first acceleration is less than the first predetermined threshold value, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further directly
Enter the first boost phase after the completion of to startup stage.
(2) after entering the dehydration of the first boost phase, controller 40 compares the second acceleration and second of the first boost phase
The size of predetermined threshold value, the second acceleration is for the maximum of the acceleration of first dehydration beat in the first boost phase and finally
The absolute value of the difference of the maximum of the acceleration of one dehydration beat.
When the second acceleration is less than the second predetermined threshold value, bias is determined with, the controlled motor 20 of controller 40 is so that inner cylinder
10 stallings simultaneously shake loose load to inner cylinder 10 plus water.
When the second acceleration is more than the second predetermined threshold value, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further directly
Enter the second boost phase after the completion of to the first boost phase.
(3) after entering the dehydration of the second boost phase, controller 40 compares the 3rd acceleration and the 3rd of the second boost phase
The size of predetermined threshold value, the maximum of acceleration when the 3rd acceleration rotates for the inner cylinder 10 in the long de- stage are stopped with inner cylinder 10
The minimum value of acceleration when only.
When the 3rd acceleration is more than three predetermined threshold values, bias is determined with, the controlled motor 20 of controller 40 is so that inner cylinder
10 stallings simultaneously shake loose load to inner cylinder 10 plus water.
When the 3rd acceleration is less than three predetermined threshold values, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further directly
Enter the long de- stage after the completion of to the first boost phase.
(4) after entering the dehydration of the second boost phase, the 4th acceleration in the long de- stage of controller 40 and the 4th is preset
The size of threshold value, the 4th acceleration take off the maximum of the acceleration in stage for length.
When the 4th acceleration is more than four predetermined threshold values, bias is determined with, the controlled motor 20 of controller 40 is so that inner cylinder
10 stallings simultaneously shake loose load to inner cylinder 10 plus water.
When the 4th acceleration is less than four predetermined threshold values, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further directly
To the whole dehydration of completion.
Further, in one embodiment of the invention, in addition to：Warning device 50.Warning device 50 is used for when control
The number that device 40 processed is determined with bias is alarmed when being more than predetermined threshold value.In one embodiment of the invention, predetermined threshold value
For 3.
For example, the centre position peace of the outer wall of inner cylinder 10 in common induction machine 16KG rotary drum washing machines as shown in Figure 3
Fill acceleration transducer 30 (being vibrated on this position more apparent).The dehydration beat of common induction machine 16KG rotary drum washing machines is set
It is set to：5,3；1,3；1,3；1,3；1,3；1,3；1,3；1,3；2,5；2,5；2,5；2,5；2,5；3,3；3,3；4,5；7,5；120,
2；120,5；15,0,0,0.With reference to Fig. 4 acceleration plots, controller 40 adds in startup stage, the first boost phase, second
Fast stage, the control process in long de- stage are as follows：
1st, startup stage (5,3), if △ Y1 (the first acceleration) ＞ a (the first predetermined threshold value), i.e. bias cause startup inclined
Shifting amount is larger, then is judged as there is bias, and the controlled motor 20 of controller 40 is so that inner cylinder 10 is stalled and shaken loose to inner cylinder 10 plus water negative
Carry.
If △ Y1<A, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further until entering the after the completion of startup stage
One boost phase.
2nd, the first boost phase (1,3；1,3；1,3；1,3；1,3；1,3；1,3；), if △ Y2 (the second acceleration, i.e., first
The absolute value of the acceleration maximum of individual 1,3 beat and the difference of the maximum of the acceleration of last 1,3 beat) ＜ b (the
Two predetermined threshold values), i.e., bias causes offset larger, and inner cylinder or so hits casing when beat is weak so that and acceleration rising value is small,
Then it is judged as there is bias, the controlled motor 20 of controller 40 is so that inner cylinder 10 stalls and shakes loose load to inner cylinder 10 plus water.
If △ Y2>B, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further until the completion of the first boost phase is laggard
Enter the second boost phase.
3rd, the second boost phase (2,5；2,5；2,5；2,5；2,5；), if Δ Y3 (the 3rd acceleration, that is, rotates 2S acceleration
The absolute value of the maximum of degree and the minimum value of stalling 5S acceleration) ＞ c (the 3rd predetermined threshold value), i.e., due to eccentric larger,
Caused offset is larger when beat is strong, then is judged as there is bias, the controlled motor 20 of controller 40 so that inner cylinder 10 stall and to
Inner cylinder 10 plus water shake loose load.
If Δ Y3<C, the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further until the completion of the second boost phase is laggard
Enter the long de- stage.
4th, the long de- stage (3,3；3,3；4,5；7,5；120,2；120,5；), if Δ Y4 (the 4th acceleration, i.e., the long de- stage
Acceleration maximum) ＞ d (the 4th predetermined threshold value), i.e., due to eccentric larger, vibration at high speed is larger with noise, then is judged as
There is bias, the controlled motor 20 of controller 40 is so that inner cylinder 10 stalls and shakes loose load to inner cylinder 10 plus water.
If Δ Y4<D, then the controlled motor 20 of controller 40 is so that inner cylinder 10 is rotated further until completing whole dehydration.
Washing machine according to embodiments of the present invention, using motor drive inner cylinder according to it is set in advance dehydration beat rotate with
Complete dehydration.Detect what inner cylinder rotated according to dehydration beat set in advance by acceleration transducer in dehydration
Acceleration, while controller determines whether bias by comparing the size of acceleration in dehydration and predetermined threshold value.
The washing machine of the present invention can accurately judge to load eccentric situation according to the acceleration detected in real time.
It should be noted that the washing machine of the embodiment of the present invention, which removes, includes inner cylinder, motor, acceleration transducer and controller
Outside, in addition to other components.The specific implementation of other components is what those of ordinary skill in the art would know that,
In order to reduce redundancy, do not repeat herein.
A kind of method for judging that washing machine load is eccentric is proposed in the embodiment of second aspect of the present invention, as shown in figure 5, bag
Include following steps：It will load and be placed in the inner cylinder of washing machine and drive inner cylinder to be rotated according to predetermined dehydration beat to complete to be dehydrated
Process, dehydration beat is rotates, stalling beat, and dehydration includes startup stage, the first boost phase after startup stage, the
The length after the second boost phase and the second boost phase after one boost phase takes off the stage；
Detect the acceleration that inner cylinder rotates in dehydration according to predetermined dehydration beat；
Compare the first acceleration and the first predetermined threshold value, or the second acceleration and the second predetermined threshold value, or the 3rd acceleration
With the 3rd predetermined threshold value or the size of the 4th acceleration and the 4th predetermined threshold value；And
When the first acceleration is more than the first predetermined threshold value, or the second acceleration is less than the second predetermined threshold value, or the 3rd accelerates
Degree is determined with bias when being more than four predetermined threshold values more than the 3rd predetermined threshold value or the 4th acceleration, the first acceleration is startup rank
The maximum of the acceleration of section, the second acceleration are the maximum of the acceleration of first dehydration beat in the first boost phase
The absolute value of value and the difference of the maximum of the acceleration of last dehydration beat, the 3rd acceleration are the second acceleration rank
The absolute value of the difference of the minimum value of acceleration when the maximum of acceleration when inner cylinder in section rotates stalls with inner cylinder, the
Four acceleration take off the maximum of the acceleration in stage for length.Implemented into as follows：
Step S101, it will load and be placed in the inner cylinder of washing machine and drive inner cylinder to be rotated according to predetermined dehydration beat with complete
Into dehydration.
Specifically, in one embodiment of the invention, the dehydration of washing machine, as shown in Fig. 2 between being set as successively
De- stage, long de- stage, used de- stage.The dehydration beat of the washing machine of the embodiment of the present invention is rotates, stalling beat.According to this
The characteristics of dehydration beat of the washing machine of inventive embodiments, the washing machine of the embodiment of the present invention pass through the startup that the stage is taken off between detection
The second boost phase after the first boost phase (slow accelerator), the first boost phase after stage, startup stage is (quick
Accelerator) and the acceleration in long de- stage (having risen to maximum speed) judge the eccentric degree of load.
Step S102, the acceleration that detection inner cylinder rotates in dehydration according to predetermined dehydration beat.
In one embodiment of the invention, detect what inner cylinder in dehydration rotated in real time using acceleration transducer
Acceleration.Acceleration transducer is unidirectional transducer, on the outer wall of inner cylinder, as shown in Figure 3.
Step S103, compare the first acceleration and the first predetermined threshold value, or the second acceleration and the second predetermined threshold value, or
Three acceleration and the 3rd predetermined threshold value or the size of the 4th acceleration and the 4th predetermined threshold value；
When the first acceleration is more than the first predetermined threshold value, or the second acceleration is less than the second predetermined threshold value, or the 3rd accelerates
Degree is determined with bias when being more than four predetermined threshold values more than the 3rd predetermined threshold value or the 4th acceleration.Specifically process is：
S1, compares the first acceleration of startup stage and the size of the first predetermined threshold value, and the first acceleration is startup stage
Acceleration maximum.
When the first acceleration is more than the first predetermined threshold value, bias is determined with, control inner cylinder stalls and adds water to tremble to inner cylinder
Dissipate load；
When the first acceleration is less than the first predetermined threshold value, control inner cylinder is rotated further until entering after the completion of startup stage
First boost phase.
S2, after being dehydrated into the first boost phase, compare the second acceleration and the second predetermined threshold value of the first boost phase
Size, the second acceleration be the first boost phase in first dehydration beat acceleration maximum with last dehydration
The absolute value of the difference of the maximum of the acceleration of beat.
When the second acceleration is less than the second predetermined threshold value, bias is determined with, control inner cylinder stalls and adds water to tremble to inner cylinder
Dissipate load；
When the second acceleration is more than the second predetermined threshold value, control inner cylinder is rotated further until after the completion of the first boost phase
Into the second boost phase.
S3, after being dehydrated into the second boost phase, compare the 3rd acceleration and the 3rd predetermined threshold value of the second boost phase
Size, the acceleration when maximum of acceleration when the 3rd acceleration rotates for the inner cylinder in the long de- stage stops with inner cylinder
Minimum value.
When the 3rd acceleration is more than three predetermined threshold values, bias is determined with, control inner cylinder stalls and adds water to tremble to inner cylinder
Dissipate load；
When the 3rd acceleration is less than three predetermined threshold values, control inner cylinder is rotated further until after the completion of the first boost phase
Into the long de- stage.
S4, after being dehydrated into the second boost phase, the 4th acceleration in long de- stage is big with the 4th predetermined threshold value
Small, the 4th acceleration takes off the maximum of the acceleration in stage for length.
When the 4th acceleration is more than four predetermined threshold values, bias is determined with, control inner cylinder stalls and adds water to tremble to inner cylinder
Dissipate load；
When the 4th acceleration is less than four predetermined threshold values, control inner cylinder is rotated further until completing whole dehydration.
Further, in one embodiment of the invention, preset when the number that bias is determined with step S103 is more than
Alarmed during threshold value.In one embodiment of the invention, predetermined threshold value 3.
For example, the centre position installation of the inner tank theca in common induction machine 16KG rotary drum washing machines as shown in Figure 3
Vibrated on this position of acceleration transducer more apparent).The dehydration beat of common induction machine 16KG rotary drum washing machines is set as：
5,3；1,3；1,3；1,3；1,3；1,3；1,3；1,3；2,5；2,5；2,5；2,5；2,5；3,3；3,3；4,5；7,5；120,2；
120,5；15,0,0,0.With reference to Fig. 4 acceleration plots, controller 40 accelerates in startup stage, the first boost phase, second
Stage, the control process in long de- stage are as follows：
1st, startup stage (5,3), if △ Y1 (the first acceleration) ＞ a (the first predetermined threshold value), i.e. bias cause startup inclined
Shifting amount is larger, then is judged as there is bias, and control inner cylinder stalls and adds water to shake loose load to inner cylinder.
If △ Y1<A, control inner cylinder are rotated further until entering the first boost phase after the completion of startup stage.
2nd, the first boost phase (1,3；1,3；1,3；1,3；1,3；1,3；1,3；), if △ Y2 (the second acceleration, i.e., first
The absolute value of the acceleration maximum of individual 1,3 beat and the difference of the maximum of the acceleration of last 1,3 beat) ＜ b (the
Two predetermined threshold values), i.e., bias causes offset larger, and inner cylinder or so hits casing when beat is weak so that and acceleration rising value is small,
Then it is judged as there is bias, controlled motor inner cylinder stalls and adds water to shake loose load to inner cylinder.
If △ Y2>B, control inner cylinder are rotated further until entering the second boost phase after the completion of the first boost phase.
3rd, the second boost phase (2,5；2,5；2,5；2,5；2,5；), if Δ Y3 (the 3rd acceleration, that is, rotates 2S acceleration
The absolute value of the maximum of degree and the minimum value of stalling 5S acceleration) ＞ c (the 3rd predetermined threshold value), i.e., due to eccentric larger,
Caused offset is larger when beat is strong, then is judged as there is bias, and control inner cylinder stalls and adds water to shake loose load to inner cylinder.
If Δ Y3<C, control inner cylinder are rotated further until entering the long de- stage after the completion of the second boost phase.
4th, the long de- stage (3,3；3,3；4,5；7,5；120,2；120,5；), if Δ Y4 (the 4th acceleration, i.e., the long de- stage
Acceleration maximum) ＞ d (the 4th predetermined threshold value), i.e., due to eccentric larger, vibration at high speed is larger with noise, then is judged as
There is bias, control inner cylinder stalls and adds water to shake loose load to inner cylinder.
If Δ Y4<D, then inner cylinder is controlled to be rotated further until completing whole dehydration.
The method for judging that washing machine load is eccentric according to embodiments of the present invention, inner cylinder is according to dehydration beat set in advance
Rotate to complete dehydration.Inner cylinder is detected according to dehydration beat set in advance by acceleration transducer in dehydration
The acceleration of rotation, while determine whether bias by comparing the size of acceleration in dehydration and predetermined threshold value.
The eccentric method of the judgement washing machine of the present invention can accurately judge to load eccentric situation according to the acceleration detected in real time.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
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 are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is 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 the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (11)
- A kind of 1. washing machine, it is characterised in that including：Inner cylinder；Motor, for driving the inner cylinder to be rotated according to dehydration beat set in advance to complete dehydration, the dehydrating section Clap to rotate, stalling beat, the dehydration includes the first boost phase after startup stage, the startup stage, described The length after the second boost phase and the second boost phase after first boost phase takes off the stage；Acceleration transducer, the acceleration rotated for detecting the inner cylinder according to the dehydration beat set in advance；AndController, for the first acceleration of the startup stage and the size of the first predetermined threshold value, described first accelerates Spend the maximum of the acceleration for the startup stage；The controller is additionally operable to, the second acceleration of first boost phase and the size of the second predetermined threshold value, institute The second acceleration is stated as the maximum of the acceleration of first in first boost phase dehydration beat and last The absolute value of the difference of the maximum of the acceleration of the dehydration beat；The controller is additionally operable to, the 3rd acceleration of second boost phase and the size of the 3rd predetermined threshold value, institute The maximum for stating acceleration when the 3rd acceleration rotates for the inner cylinder in second boost phase is stopped with the inner cylinder Turn the absolute value of the difference of the minimum value of brief acceleration；The controller is additionally operable to, and the length takes off the 4th acceleration in stage and the size of the 4th predetermined threshold value, and described the Four acceleration are the maximum for the acceleration that the length takes off the stage；When first acceleration is more than first predetermined threshold value, or second acceleration is less than the second predetermined threshold value, or 3rd acceleration judges when being more than four predetermined threshold value more than the 3rd predetermined threshold value or the 4th acceleration There is bias.
- 2. washing machine as claimed in claim 1, it is characterised in that the controller is additionally operable to control institute when being determined with bias Inner cylinder is stated to stall and add water to shake loose load to the inner cylinder.
- 3. washing machine as claimed in claim 1, it is characterised in that the controller is additionally operable to：When first acceleration is less than first predetermined threshold value, the inner cylinder is controlled to be rotated further until the startup rank Enter the first boost phase after the completion of section；When second acceleration is more than the second predetermined threshold value, the inner cylinder is controlled to be rotated further until described first accelerates rank Enter second boost phase after the completion of section；When the 3rd acceleration is less than three predetermined threshold value, the inner cylinder is controlled to be rotated further until described second adds Enter the length after the completion of the fast stage and take off the stage；When the 4th acceleration is more than four predetermined threshold value, the inner cylinder is controlled to be rotated further until completing described de- Water process.
- 4. washing machine as claimed in claim 1, it is characterised in that the acceleration transducer is arranged on the outer wall of the inner cylinder On.
- 5. the washing machine as described in claim 1-4 any one, it is characterised in that the washing machine also includes：Warning device, the number for being determined with bias when the controller are alarmed when being more than predetermined threshold value.
- 6. washing machine as claimed in claim 5, it is characterised in that the predetermined threshold value is 3.
- A kind of 7. method for judging that washing machine load is eccentric, it is characterised in that comprise the following steps：It will load and be placed in the inner cylinder of the washing machine and drive the inner cylinder to be rotated according to predetermined dehydration beat to complete to take off Water process, the dehydration beat is rotates, stalling beat, after the dehydration includes startup stage, the startup stage The length after the second boost phase and the second boost phase after first boost phase, first boost phase takes off the stage；Detect the acceleration that the inner cylinder rotates in the dehydration according to predetermined dehydration beat；Compare the first acceleration and the first predetermined threshold value, or the second acceleration and the second predetermined threshold value, or the 3rd acceleration and Three predetermined threshold values or the size of the 4th acceleration and the 4th predetermined threshold value；AndWhen the first acceleration is more than first predetermined threshold value, or second acceleration is less than the second predetermined threshold value, or described 3rd acceleration is determined with partially when being more than four predetermined threshold value more than the 3rd predetermined threshold value or the 4th acceleration The heart, first acceleration are the maximum of the acceleration of the startup stage, and second acceleration is the described first acceleration The maximum of the acceleration of first dehydration beat and the maximum of the acceleration of last dehydration beat in stage The absolute value of the difference of value, the 3rd acceleration are the acceleration when inner cylinder in second boost phase rotates The absolute value of the difference of the minimum value of acceleration when maximum stalls with the inner cylinder, the 4th acceleration are that the length takes off The maximum of the acceleration in stage.
- 8. method as claimed in claim 7, it is characterised in that further comprise：The inner cylinder is controlled when being determined with bias Stall and add water to shake loose load to the inner cylinder.
- 9. method as claimed in claim 7, it is characterised in that further comprise：When first acceleration is less than first predetermined threshold value, the inner cylinder is controlled to be rotated further until the startup rank Enter the first boost phase after the completion of section；When second acceleration is more than the second predetermined threshold value, the inner cylinder is controlled to be rotated further until described first accelerates rank Enter second boost phase after the completion of section；When the 3rd acceleration is less than three predetermined threshold value, the inner cylinder is controlled to be rotated further until described second adds Enter the length after the completion of the fast stage and take off the stage；When the 4th acceleration is more than four predetermined threshold value, the inner cylinder is controlled to be rotated further until completing described de- Water process.
- 10. the method as described in claim 7-9 any one, it is characterised in that further comprise：If it is determined that there is time of bias When number is more than predetermined threshold value, then alert process is carried out.
- 11. method as claimed in claim 10, it is characterised in that the predetermined threshold value is 3.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110578229A (en) * | 2019-09-23 | 2019-12-17 | 卧龙电气驱动集团股份有限公司 | method for rapidly detecting eccentricity of washing machine |
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| CN106676818B (en) * | 2015-11-09 | 2021-03-19 | 无锡小天鹅电器有限公司 | Detection method and system for dewatering barrel of pulsator washing machine |
| CN107190462B (en) * | 2017-05-08 | 2020-02-21 | 无锡飞翎电子有限公司 | Washing machine, and tub collision detection method and device of washing machine |
| CN107099973B (en) * | 2017-05-31 | 2020-04-21 | 广东威灵电机制造有限公司 | Unbalance detection method of washing machine barrel, washing machine and storage medium |
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| CN108978115B (en) * | 2017-06-05 | 2020-12-08 | 无锡小天鹅电器有限公司 | Control method and system of washing machine, washing machine and computer equipment |
| CN111485365B (en) * | 2019-01-28 | 2022-12-20 | 无锡飞翎电子有限公司 | Washing machine and control method and device of clothes treatment device |
| CN113026296A (en) * | 2019-12-09 | 2021-06-25 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
| CN113265841A (en) * | 2021-05-28 | 2021-08-17 | 海信（山东）冰箱有限公司 | Washing machine tub collision detection method and device, medium and washing machine |
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Effective date of registration: 20190807 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |