CN105506916B - Washing machine and the method for determining washing machine load bias - Google Patents
Washing machine and the method for determining washing machine load bias Download PDFInfo
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- CN105506916B CN105506916B CN201410500469.1A CN201410500469A CN105506916B CN 105506916 B CN105506916 B CN 105506916B CN 201410500469 A CN201410500469 A CN 201410500469A CN 105506916 B CN105506916 B CN 105506916B
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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
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
-
- 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
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/24—Spin speed; Drum movements
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The present invention proposes a kind of washing machine, comprising: inner cylinder, motor, memory, velocity sensor and controller.Motor driven inner cylinder is rotated according to scheduled dehydration beat and is dehydrated, and after the dehydrating speed for utilizing velocity sensor detection inner cylinder to rotate, controller makes comparisons dehydrating speed with the rotating speed of target that memory stores, to judge the eccentric situation of load.Washing machine of the invention can accurately determine the bias of load, dewatering with higher.The present invention also proposes a kind of method that the load of judgement washing machine is eccentric.
Description
Technical field
The present invention relates to washing machine manufacturing technology field more particularly to a kind of washing machine and determine washing machine load bias
Method.
Background technique
Judge that rotary drum washing machine clothing is eccentric at present, the method generallyd use is: in the position certain apart from inner tank of washing machine
Set installation door switch, door switch, which has, certain severs stroke.When washing machine undergarment, which generates winding, occurs eccentric larger, can draw
The biggish offset of inner cylinder is played, if offset has reached the stroke that severs of door switch, door switch is severed, it carries out clothing and shakes loose, weight
New dehydration.But when in most cases, bucket undergarment is eccentric larger, because the uncertainty of inner cylinder motion profile makes inner cylinder can not
Door switch is bumped against, door switch failure occurs, causes the serious consequences such as washing machine movement.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem.
For this purpose, the first purpose of this invention is to propose a kind of washing machine that can accurately determine that load is eccentric.
Second object of the present invention is to propose a kind of method that the load of judgement washing machine is eccentric.
To achieve the goals above, the washing machine of first aspect present invention embodiment, comprising: inner cylinder；Motor, for driving
The inner cylinder is rotated according to preset dehydration beat, completes dehydration, the dehydration includes first stage and institute
Second stage after stating the first stage, the first stage are different from the dehydration beat of the second stage；Memory is deposited
It contains in described in first object revolving speed and the second stage when limit bias occurs in the rotation of inner cylinder described in the first stage
There is the second rotating speed of target when limit bias in cylinder rotation；Velocity sensor is set for detecting the inner cylinder according to described in advance
The first dehydrating speed and the second dehydrating speed of fixed dehydration beat rotation；Controller, for will first dehydrating speed and
The first object revolving speed compare and by second dehydrating speed compared with second rotating speed of target to determine the inner cylinder
Whether rotation there is bias, when first dehydrating speed is less than the first object revolving speed or works as second dehydrating speed
When less than second rotating speed of target, it is determined with bias.
Washing machine according to an embodiment of the present invention, motor driven inner cylinder are rotated according to scheduled dehydration beat and are dehydrated, and benefit
After dehydrating speed with velocity sensor detection inner cylinder rotation, controller makees the rotating speed of target that dehydrating speed and memory store
Compare, to judge the eccentric situation of load.Washing machine of the invention overcomes due to the uncertainty of the motion profile of inner cylinder
The drawbacks of door switch can not be bumped against, dewatering with higher.
In some instances, the controller is also used to when first dehydrating speed is less than the first object revolving speed
It controls the inner cylinder stalling and adds water to shake loose load to the inner cylinder, and described in being more than or equal to when first dehydrating speed
It is controlled when first object revolving speed described in entering after inner cylinder described in the motor driven continues to rotate until completing the first stage
Second stage.
In some instances, the controller is also used to be less than the second rotating speed of target control when second dehydrating speed
The inner cylinder is made to stall and add water to shake loose load to the inner cylinder.
In some instances, the washing machine further include: warning device, for determining bias occur when the controller
Number is alarmed when being greater than preset threshold.
In some instances, the preset threshold is 3.
A kind of method that the load of judgement washing machine is eccentric is proposed in the embodiment of second aspect of the present invention, which is characterized in that
The following steps are included: load is placed in the inner cylinder of the washing machine and the inner cylinder is driven to rotate according to scheduled dehydration beat
Dehydration is completed in dehydration, and the dehydration includes the second stage after first stage and the first stage, and described first
Stage is different from the dehydration beat of the second stage；Detect the inner cylinder the first stage the first dehydrating speed and
Second dehydrating speed of the second stage；Compare first dehydrating speed with the size of first object revolving speed and compared with described in
The size of second dewatering speed and second rotating speed of target, wherein the first object revolving speed is institute in the first stage
Dehydrating speed when limit bias occurs in inner cylinder is stated, second rotating speed of target is that pole occurs in the inner cylinder in the second stage
Dehydrating speed when limit is eccentric；When first dehydrating speed is less than the first object revolving speed or when second dehydration
When revolving speed is less than second rotating speed of target, it is determined with bias.
The method according to an embodiment of the present invention for determining that washing machine load is eccentric, drives inner cylinder according to scheduled dehydration beat
Rotation dehydration, and the dehydrating speed of inner cylinder rotation is detected, by dehydrating speed compared with rotating speed of target, to judge the bias of load
Situation.Method of the invention overcomes the drawbacks of can not bumping against door switch because of the uncertainty of the motion profile of inner cylinder, improves
The dewatering of washing machine.
In some instances, further comprise: when first dehydrating speed is less than the first object revolving speed, control
The inner cylinder stalling simultaneously adds water to shake loose load to the inner cylinder, and when first dehydrating speed is more than or equal to described first
It is controlled when rotating speed of target after the inner cylinder continues to rotate until completing the first stage and enters the second stage.
In some instances, further comprise: controlling institute when second dehydrating speed is less than second rotating speed of target
Inner cylinder is stated to stall and add water to shake loose load to the inner cylinder.
In some instances, further comprise: if it is determined that then being carried out at alarm when thering is eccentric number to be greater than preset threshold
Reason.
In some instances, the preset threshold is 3.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein
Fig. 1 is the structural block diagram of washing machine according to an embodiment of the invention；
Fig. 2 is the velocity sensor schematic view of the mounting position of one embodiment of the present of invention；With
Fig. 3 is the dehydrating speed curve graph in the eccentric situation of difference of one embodiment of the present of invention；
Fig. 4 is the flow chart of the eccentric method of judgement washing machine load according to an embodiment of the 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, and for explaining only the invention, and is not considered as limiting the invention.On the contrary, this
The embodiment of invention includes all changes fallen within the scope of the spiritual and intension of attached claims, modification and is equal
Object.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
In the description of the present invention, step or act front mark, such as " step S1 "~" step S4 " or
(1)-(4) are only used for the purpose of the method for determining that washing machine load is eccentric of the description embodiment of the present invention, and should not be understood as referring to
Show or imply relative ranks relationship, therefore is not considered as limiting the invention.
Below with reference to the accompanying drawings it describes washing machine according to an embodiment of the present invention and determines the eccentric method of washing machine load.
It please join Fig. 1, the washing machine 10 of one embodiment of the invention includes inner cylinder 12, motor 14, memory 16, velocity pick-up
Device 18 and controller 10a.
Wherein, motor 14 completes dehydration for driving inner cylinder 12 to rotate according to preset dehydration beat, dehydration
Process includes the second stage after first stage and first stage, and the first stage is different from the dehydration beat of second stage.Storage
Device 16 is stored with that first stage inner cylinder 12 rotates first object revolving speed when there is limit bias and second stage inner cylinder 12 rotates
There is the second rotating speed of target when limit bias.Velocity sensor 18 is for detecting inner cylinder 12 according to preset dehydration beat
The first dehydrating speed and the second dehydrating speed of rotation.Controller 10a is used for the first dehydrating speed and first object rotating ratio
Determine whether the rotation of inner cylinder 12 bias occurs compared with the second rotating speed of target compared with and by the second dehydrating speed, when the first dehydration turns
Speed is less than first object revolving speed or when the second dehydrating speed is less than the second rotating speed of target, is determined with bias.
In one embodiment of the invention, preset dehydration beat is to turn to stop recycling, such as 5,3 indicate to turn 5 seconds,
Stop 3 seconds.
In one embodiment of the invention, limit bias refers to that washing machine keeps normal dehydration (without hitting cabinet, without shifting
Position, vibrating noise it is smaller) in the case of maximum eccentric.
Further, controller 10a is also used to control inner cylinder 12 when the first dehydrating speed is less than first object revolving speed and stop
Turn and shake loose load to inner cylinder 12 plus water, and controls motor 14 when the first dehydrating speed is more than or equal to first object revolving speed
Driving inner cylinder 12 enters second stage after continuing to rotate until completing the first stage.
Further, after motor 14 drives inner cylinder 12 to continue to rotate into second stage, it is de- that controller 10a compares second
The size of water revolving speed and the second rotating speed of target, when the second dehydrating speed is less than the second rotating speed of target, controller 10a controls inner cylinder
12 stallings simultaneously shake loose load to inner cylinder 12 plus water.When the second dehydrating speed is greater than or equal to the second rotating speed of target, controller 10a
Inner cylinder 12 is controlled to rotate, it is normal to be dehydrated.
Specifically, in the washing machine of one embodiment of the present of invention, judge that eccentric control process is specific as follows:
(1) load is placed in inner cylinder 12 to rotate according to scheduled dehydration beat and is dehydrated.
(2) interior the first dehydrating speed rotated in the first stage of inner cylinder 12 is detected using velocity sensor 18.In the present invention
One embodiment in, velocity sensor 18 is mounted on the specific position of washing machine, such as the rotation of belt pulley, motor, axis
On rotation member or connector.
(3) controller 10a compares the size of the first dehydrating speed Yu first object revolving speed, wherein first object revolving speed is
Dehydrating speed when limit bias occurs in inner cylinder 12 in first stage.
(4) when the first dehydrating speed is less than first object revolving speed, then it is determined with bias, and stop the rotation of inner cylinder 12,
Than adding water to shake loose load again to inner cylinder 12.
When the first dehydrating speed is greater than or equal to first object revolving speed, normally dehydration rotates up to completion first to inner cylinder 12
Enter second stage after stage.
(5) the second dehydrating speed that inner cylinder 12 is rotated in second stage is detected using velocity sensor 18.
(6) controller 10a compares the size of the second dehydrating speed and the second rotating speed of target, wherein the second rotating speed of target is
The dehydrating speed when limit bias that inner cylinder 12 rotates in second stage；
(7) when the second dehydrating speed is greater than or equal to the second rotating speed of target, then determine without acceptance of persons, inner cylinder 12 is normally de-
Water.
Specifically, without acceptance of persons or in the case where small eccentricity, the vibration of inner cylinder 12 is smaller, and 12 motion profile of inner cylinder is no different
Often, the second revolving speed rpm (n) can reach or be greater than the second rotating speed of target RPM (n), can normally be dehydrated.
(8) when the second dehydrating speed is less than the second rotating speed of target, it is determined with bias, and stops the rotation of inner cylinder 12, to
Inner cylinder 12 is again plus water shakes loose load.
Further, in one embodiment of the present of invention, further includes: warning device 600, for being repeated when controller 500
When determining that eccentric number occur is greater than preset threshold, then stops the rotation of inner cylinder 12 and alarm.At of the invention one
In embodiment, preset threshold 3.
For example, the method for the embodiment of the present invention is applied in the impeller laundry of 16KG, velocity sensor 400 is mounted on electricity
On machine 200, as shown in Figure 2.Fig. 3 is the speed curves of the inner cylinder under the difference of velocity sensor real-time detection is eccentric.
By preset dehydration beat (beat are as follows: 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；1,2；1,2；1,2；1,2；1,2；4,5；7,5；120,2；120,5；15,0,0,0) driving in
100 rotation of cylinder is dehydrated, and two rotating speed of target: the first mesh are set separately to the first stage and second stage of this dehydration beat
Mark revolving speed RPM1, the second rotating speed of target RPM2.
In the first stage, i.e., operation is dehydrated beat 5,3；1,3；1,3；1,3；1,3；1,3；1,3；After 1,3, if rpm1 >=
RPM1 then enters second stage and determines.It if rpm1 < RPM1, is determined as there is bias, can not normally be dehydrated, need to intake again to negative
Load shakes loose.
If rpm1 >=RPM1, after entering second stage, i.e., operation is dehydrated beat 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；1,2；1,2；1,2；1,2；After 1,2, if rpm2 >=RPM2, it is determined as
Without acceptance of persons, it can normally be dehydrated.It if rpm2 < RPM2, is determined as there is bias, can not normally be dehydrated, need to shake loose to inner cylinder water inlet again
Load.
Washing machine according to an embodiment of the present invention, motor driven inner cylinder are rotated according to scheduled dehydration beat and are dehydrated, and benefit
After dehydrating speed with velocity sensor detection inner cylinder rotation, controller makees the rotating speed of target that dehydrating speed and memory store
Compare, to judge the eccentric situation of load.Washing machine of the invention overcomes due to the uncertainty of the motion profile of inner cylinder
The drawbacks of door switch can not be bumped against, dewatering with higher.
The method for determining that washing machine load is eccentric of second aspect of the present invention embodiment, as shown in figure 4, including following step
It is rapid: load is placed in the inner cylinder of washing machine and inner cylinder is driven to rotate dehydration according to scheduled dehydration beat, completes dehydration,
Dehydration includes the second stage after first stage and first stage, and the first stage is different from the dehydration beat of second stage；
Detect the first dehydrating speed of inner cylinder in the first stage and the second dehydrating speed in second stage；Compare the first dehydrating speed with
The size of first object revolving speed and the size for comparing the second dewatering speed and the second rotating speed of target, wherein first object revolving speed is
Dehydrating speed when limit bias occurs in inner cylinder in first stage, the second rotating speed of target are that the limit occur inclined for inner cylinder in second stage
The dehydrating speed when heart；When the first dehydrating speed is less than first object revolving speed or when the second dehydrating speed is less than the second target
When revolving speed, it is determined with bias.
Specifically, in one embodiment of the invention, in step sl,
Load is placed in the inner cylinder of washing machine and rotates dehydration completion dehydration according to scheduled dehydration beat, it is dehydrated
Journey includes the second stage after first stage and first stage, and the first stage is different from the dehydration beat of second stage.Wherein, it takes off
Water beat is that the inner cylinder of washing machine rotates the beat being dehydrated, and the setting of specific beat is set according to different washing machine models
It is fixed.In general, being dehydrated beat to turn to stop recycling, such as 5,3 be to turn 5 seconds, stop 3 seconds.
Step S2 detects the first dehydrating speed of inner cylinder in the first stage and the second dehydrating speed in second stage.
Specifically, inner cylinder the first dehydrating speed in the first stage is detected respectively using velocity sensor and in second stage
The second dehydrating speed.In one embodiment of the invention, velocity sensor is mounted on the specific position of washing machine, such as skin
On the rotary part or connector of belt wheel, motor, axis etc..
Step S3 compares the first dehydrating speed the second dewatering speed and second target compared with the size of first object revolving speed
The size of revolving speed, wherein first object revolving speed occurs dehydrating speed when limit bias, the second target for inner cylinder in the first stage
Revolving speed occurs dehydrating speed when limit bias for inner cylinder in second stage.
Specifically, limit bias refer to washing machine keep normal dehydration (without hit cabinet, it is smaller without displacement, vibrating noise) feelings
Maximum eccentric under condition.
Step S4 is determined with bias when the first dehydrating speed is less than first object revolving speed.Inner cylinder stops operating, and to
Inner cylinder adds water to shake loose load again.
Further, when the first dehydrating speed is more than or equal to first object revolving speed, then inner cylinder is normally dehydrated rotation
Until entering second stage after completing the first stage.
Further, after inner cylinder, which is normally dehydrated, to be rotated and enter second stage, compare the second dehydrating speed and the second mesh
Mark the size of revolving speed.
If the second dehydrating speed is greater than or equal to the second rotating speed of target, determine without acceptance of persons, inner cylinder is continuing to rotate progress just
Often dehydration.
Specifically, without acceptance of persons or in the case where small eccentricity, the vibration of inner cylinder is smaller, and inner cylinder motion profile is without exception,
Second revolving speed rpm (n) can reach or be greater than the second rotating speed of target RPM (n), can normally be dehydrated.
When the second dehydrating speed is less than the second rotating speed of target, it is determined with bias, stops inner cylinder rotation, and again to inner cylinder
Water is added to shake loose load.Specifically, in the case where there is eccentric or eccentric biggish situation, bias causes the vibration of inner cylinder larger, inner cylinder
Vibration hinders the normal rising of revolving speed, so that revolving speed rpm (n) is unable to reach rotating speed of target RPM (n).
Further, when if repeating above-mentioned steps S1~S4 and be determined with eccentric number and be greater than preset threshold, stop
Only inner cylinder is rotated and is alarmed.In one embodiment of the invention, preset threshold 3.
For example, the method for the embodiment of the present invention is applied in the impeller laundry of 16KG, velocity sensor is mounted on motor
On, such as Fig. 2.Fig. 3 is the speed curves of the inner cylinder under the difference of velocity sensor real-time detection is eccentric.
By preset dehydration beat (beat are as follows: 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；1,2；1,2；1,2；1,2；1,2；4,5；7,5；120,2；120,5；15,0,0,0) driving in
Cylinder is dehydrated, and two rotating speed of target: first object revolving speed are set separately to the first stage and second stage of this dehydration beat
RPM1, the second rotating speed of target RPM2.
In the first stage, i.e., operation is dehydrated beat 5,3；1,3；1,3；1,3；1,3；1,3；1,3；After 1,3, if rpm1 >=
RPM1 then enters second stage and determines.It if rpm1 < RPM1, is determined as there is bias, can not normally be dehydrated, need to intake again to negative
Load shakes loose.
If rpm1 >=RPM1, after entering second stage, i.e., operation is dehydrated beat 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；1,2；1,2；1,2；1,2；After 1,2, if rpm2 >=RPM2, it is determined as
Without acceptance of persons, it can normally be dehydrated.It if rpm2 < RPM2, is determined as there is bias, can not normally be dehydrated, need to intake again and load is trembled
It dissipates.
The method according to an embodiment of the present invention for determining that washing machine load is eccentric, drives inner cylinder according to scheduled dehydration beat
Rotation dehydration, and the dehydrating speed of inner cylinder rotation is detected, by dehydrating speed compared with rotating speed of target, to judge the bias of load
Situation.Method of the invention overcomes the drawbacks of can not bumping against door switch because of the uncertainty of the motion profile of inner cylinder, improves
The dewatering of washing machine.
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
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of washing machine characterized by comprising
Inner cylinder；
Motor completes dehydration, the dehydration for driving the inner cylinder to rotate according to preset dehydration beat
Including the second stage after first stage and the first stage, the dehydrating section of the first stage and the second stage
It claps different；
Memory, the first object revolving speed being stored with when limit bias occurs in the rotation of inner cylinder described in the first stage and described the
There is the second rotating speed of target when limit bias in the rotation of inner cylinder described in two-stage；
Velocity sensor, for detect the inner cylinder according to it is described it is preset dehydration beat rotation the first dehydrating speed and
Second dehydrating speed；
Controller, for by first dehydrating speed compared with the first object revolving speed and by second dehydrating speed with
Second rotating speed of target compares to determine whether the inner cylinder rotation bias occurs, when first dehydrating speed is less than described
First object revolving speed or when second dehydrating speed be less than second rotating speed of target when, be determined with bias.
2. washing machine as described in claim 1, which is characterized in that the controller is also used to when first dehydrating speed is small
The inner cylinder stalling is controlled when the first object revolving speed and adds water to shake loose load to the inner cylinder, and when first dehydration
Revolving speed controls inner cylinder described in the motor driven and continues to rotate until completing institute when being more than or equal to the first object revolving speed
Enter the second stage after stating the first stage.
3. the washing machine as described in claim 1-2 any one, which is characterized in that the controller is also used to when described second
Dehydrating speed is less than second rotating speed of target and controls the inner cylinder stalling and add water to shake loose load to the inner cylinder.
4. the washing machine as described in claim 1-2 any one, which is characterized in that the washing machine further include:
Warning device, for alarming when the controller determines that the number for bias occur is greater than preset threshold.
5. washing machine as claimed in claim 4, which is characterized in that the preset threshold is 3.
6. a kind of method for determining that washing machine load is eccentric, which comprises the following steps:
Load is placed in the inner cylinder of the washing machine and the inner cylinder is driven to rotate according to scheduled dehydration beat and is dehydrated, is completed
Dehydration, the dehydration include the second stage after first stage and the first stage, the first stage and institute
The dehydration beat for stating second stage is different；
Detect first dehydrating speed of the inner cylinder in the first stage and the second dehydrating speed in the second stage；
Compare first dehydrating speed with the size of first object revolving speed and compared with described in the second dewatering speed and the second target
The size of revolving speed, wherein the first object revolving speed occurs dehydration when limit bias for the inner cylinder in the first stage
Revolving speed, second rotating speed of target occur dehydrating speed when limit bias for the inner cylinder in the second stage；
When first dehydrating speed is less than the first object revolving speed or when second dehydrating speed is less than described the
When two rotating speed of target, it is determined with bias.
7. method as claimed in claim 6, which is characterized in that further comprise: described in being less than when first dehydrating speed
It when first object revolving speed, controls the inner cylinder stalling and adds water to shake loose load to the inner cylinder, and work as first dehydrating speed
It controls after the inner cylinder continues to rotate until completing the first stage and enters when more than or equal to the first object revolving speed
The second stage.
8. the method as described in claim 6 or 7 any one, which is characterized in that further comprise: when second dehydration turns
Speed is less than second rotating speed of target and controls the inner cylinder stalling and add water to shake loose load to the inner cylinder.
9. method according to claim 6 or 7, which is characterized in that further comprise: if it is determined that there have eccentric number to be greater than to be pre-
If when threshold value, then carrying out alert process.
10. method as claimed in claim 9, which is characterized in that the preset threshold is 3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500469.1A CN105506916B (en) | 2014-09-25 | 2014-09-25 | Washing machine and the method for determining washing machine load bias |
| PCT/CN2015/077585 WO2016045380A1 (en) | 2014-09-25 | 2015-04-27 | Washing machine and method for determining load off-centering of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500469.1A CN105506916B (en) | 2014-09-25 | 2014-09-25 | Washing machine and the method for determining washing machine load bias |
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| Publication Number | Publication Date |
|---|---|
| CN105506916A CN105506916A (en) | 2016-04-20 |
| CN105506916B true CN105506916B (en) | 2019-05-21 |
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| CN201410500469.1A Active CN105506916B (en) | 2014-09-25 | 2014-09-25 | Washing machine and the method for determining washing machine load bias |
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| CN (1) | CN105506916B (en) |
| WO (1) | WO2016045380A1 (en) |
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| WO2016045380A1 (en) | 2016-03-31 |
| CN105506916A (en) | 2016-04-20 |
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