CN106319861A - Washing machine and driving device of washing machine - Google Patents
Washing machine and driving device of washing machine Download PDFInfo
- Publication number
- CN106319861A CN106319861A CN201610819133.0A CN201610819133A CN106319861A CN 106319861 A CN106319861 A CN 106319861A CN 201610819133 A CN201610819133 A CN 201610819133A CN 106319861 A CN106319861 A CN 106319861A
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- China
- Prior art keywords
- motor
- washing machine
- driving means
- electric machine
- displacement
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
Abstract
The invention discloses a washing machine and a driving device of the washing machine. The driving device comprises an outer cylinder, a motor installed on the outer cylinder, an acceleration sensor arranged on the motor and a motor controller, wherein the motor controller calculates the displacement of the outer cylinder according to the acceleration value detected by the acceleration sensor and the rotating speed value of the motor, and prejudicially controls the motor according to the displacement, and therefore more accurate prejudicial control can be achieved; the imbalance loading detection function is achieved, the detection accuracy is high, real-time perception can be achieved, the detection time is short, and the user experiences are improved.
Description
Technical field
The present invention relates to washing machine technology field, particularly to the driving means of a kind of washing machine and have this device
Washing machine.
Background technology
Associated washing machine, in running, needs to carry out laod unbalance detection, such as when high speed dewatering due to not
Water absorption rate with medicated clothing is different, so with the loss of rate of water added, eccentric size can change, once occurs bigger inclined
The heart, may result in washing machine and occurs vibrations and noise when high speed dewatering.
In the related, eccentricity detecting is carried out the most in the following manner:
One is, utilizes mechanical detection means to carry out eccentricity detecting, but, it there is problems of, cost is high, precision is low,
Inconvenience is installed；
Two are, at low-speed stage, acceleration signal are fed back to host computer, and host computer is according to acceleration signal detection laundry
The laod unbalance amount of machine, but, it there is problems of, eccentricity detecting time length, poor real, is easily caused eccentric excessive
After take a long time adjustment, poor user experience, and detection range can not cover section at full speed, accuracy of detection is poor.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention
One purpose is to propose the driving means of a kind of washing machine, and this device is capable of eccentricity control more accurately.
Further object is that a kind of washing machine of proposition.
For reaching above-mentioned purpose, one aspect of the present invention embodiment proposes the driving means of a kind of washing machine, including: urceolus；
It is arranged on the motor on described urceolus；It is arranged on the acceleration transducer on described motor；Electric machine controller, described motor
The tachometer value of accekeration that controller detects according to described acceleration transducer and described motor calculates the displacement of described urceolus
Amount, and according to described displacement, described motor is carried out eccentricity control.
The driving means of the washing machine proposed according to embodiments of the present invention, is arranged on motor on urceolus, and by acceleration
Sensor is arranged on motor, and then the accekeration that detects according to acceleration transducer of electric machine controller and the rotating speed of motor
Value calculates the displacement of urceolus, and according to displacement, motor is carried out eccentricity control such that it is able to realize more eccentric
Control, it is achieved laod unbalance detection function, accuracy of detection is high, and can realize real-time perception, and the detection time is short, improves use
The experience at family.
According to one embodiment of present invention, described electric machine controller and described motor are integrated machine structure.
According to one embodiment of present invention, described acceleration transducer passes through I2C bus and described electric machine controller phase
Even.
According to one embodiment of present invention, the driving means of described washing machine also includes: host computer, described host computer
Instruction is sent to described electric machine controller.
According to one embodiment of present invention, described motor is frequency conversion motor.
For reaching above-mentioned purpose, another aspect of the present invention also proposed a kind of washing machine, including driving of described washing machine
Dynamic device.
The washing machine proposed according to embodiments of the present invention, by the driving means of above-mentioned washing machine, it is possible to realize more
Eccentricity control accurately, it is achieved laod unbalance detection function, accuracy of detection is high, and can realize real-time perception, detects the time
Short, improve the experience of user.
Accompanying drawing explanation
Fig. 1 is the block diagram of the driving means of washing machine according to embodiments of the present invention；
Fig. 2 is the structural representation of the driving means of washing machine according to an embodiment of the invention；
Fig. 3 is the block diagram of the driving means of washing machine according to an embodiment of the invention；
Fig. 4 is the all-in-one machine structure schematic diagram of the motor according to one specific embodiment of the present invention and electric machine controller；
Fig. 5 is the curve synoptic diagram of the test bias result of the high accuracy displacement sensor of a specific embodiment；
Fig. 6 is that the curve of the test bias result of the driving means of the washing machine according to one specific embodiment of the present invention shows
It is intended to；
Fig. 7 is the curve synoptic diagram of the test bias result of the high accuracy displacement sensor of another specific embodiment；With
And
Fig. 8 is the curve of the test bias result of the driving means of the washing machine according to another specific embodiment of the present invention
Schematic diagram.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings describe the driving means of the washing machine that the embodiment of the present invention proposes and there is this device
Washing machine.
Fig. 1 is the block diagram of the driving means of washing machine according to embodiments of the present invention.As Figure 1-3, this dress
Put and include: urceolus 100, motor 200, acceleration transducer 300 and electric machine controller 400.
Wherein, motor 200 is arranged on urceolus 100, specifically, as in figure 2 it is shown, motor 200 can pass through belt 101
Driving inner core 102 to rotate, motor 200 is installed on urceolus 100 and along with urceolus 100 rotates together, shakes simultaneously；Acceleration sensing
Device 300 is arranged on motor 200, i.e. acceleration transducer 300 can rotate along with urceolus 100, shake together with motor 200,
Acceleration transducer 300 is for detecting the accekeration of urceolus 100.
A specific embodiment according to the present invention, electric machine controller 400 and motor 200 can be integrated machine structure.Citing
For, all-in-one machine structure can be as shown in Figure 4.It is to say, motor 200, acceleration transducer 300 and electric machine controller 400 are equal
It is arranged on urceolus 100.
In other embodiments of the invention, acceleration transducer 300 may also be arranged on electric machine controller 400, and,
Electric machine controller 400 is arranged on urceolus 100.
Outside the tachometer value of accekeration that electric machine controller 400 detects according to acceleration transducer 300 and motor 200 calculates
The displacement of cylinder 100, and according to displacement, motor 200 is carried out eccentricity control.
It is to say, electric machine controller 400 can obtain acceleration transducer by communicating with acceleration transducer 300
The accekerations of 300 outputs, this accekeration can regard the accekeration of urceolus 100 as, and electric machine controller 400 can directly obtain electricity
The tachometer value of machine 200, can obtain the tachometer value of urceolus 100 according to the tachometer value of this motor 200, and then, electric machine controller 400 can
Accekeration according to acceleration transducer 300 output and the displacement of the tachometer value calculating urceolus 100 of motor 200, thus smart
Accurate realizes eccentricity detecting.
Specifically, the operation of washing machine urceolus 100 can be equivalent to when laundry machine dehydration the simple harmonic motion of single-degree-of-freedom,
Its expression formula is:
By asking for expression formulaSecond dervative, available acceleration expression formula:
Wherein, a is the accekeration of urceolus 100, and x is the displacement of urceolus 100, and A is the amplitude of displacement, and ω is urceolus
The tachometer value of 100,For phase place, t is the time.
Thus, the tachometer value at the accekeration detected according to acceleration transducer 300 and motor 200 calculates displacement
Amplitude A after, i.e. can get the displacement of urceolus 100.
After calculating displacement, electric machine controller 400 can carry out eccentricity control according to displacement to motor 200.Tool
For body, if displacement is more than predetermined threshold value, then judging bias occur, laod unbalance i.e. occur, electric machine controller 400 is right
Motor 200 carries out eccentricity control, such as, be adjusted the rotating speed of motor 200 according to displacement, or can change load not
Poised state, i.e. if it find that laod unbalance, then the rotating speed of adjustable motor or the unbalanced state that loaded by change.
Thus, detection during eccentricity detecting i.e. laod unbalance can be realized, reduce vibration and noise that laod unbalance causes,
Guarantee the service life of washing machine.
According to one embodiment of present invention, as it is shown on figure 3, electric machine controller 400 can drive electricity by IPM module 600
Machine 200.Specifically, the exportable pwm control signal of electric machine controller 400 is controlled according to this PWM to IPM module 600, IPM module 600
Signal drive motor 200 processed.
According to one embodiment of present invention, as it is shown on figure 3, acceleration transducer 300 can be by I2C bus and motor control
Device 400 processed is connected.It is to say, acceleration transducer 300 can carry out real-time Communication for Power by I2C bus and electric machine controller 400,
So that the accekeration detected is sent to electric machine controller 400.
According to one embodiment of present invention, as it is shown on figure 3, the driving means of washing machine also includes: host computer 500, on
Position machine 500 can send instruction to electric machine controller 400, and such as, host computer 500 can send enabled instruction to electric machine controller 400,
Start so that electric machine controller 400 controls motor 200 according to enabled instruction；And for example, host computer 500 can be to electric machine controller 400
Send halt instruction, so that electric machine controller 400 is out of service according to halt instruction control motor 200.It addition, electric machine controller
400 also can reply instruction to host computer.
Specifically, host computer 500 is communicated with electric machine controller 400 by SCI communication mode.
A specific embodiment according to the present invention, motor 200 can be frequency conversion motor.
Below the driving means of the washing machine of the embodiment of the present invention and high accuracy displacement sensor are carried out contrast test, with
The effectiveness of the eccentricity detecting of the checking embodiment of the present invention.
Embodiment one: following test condition is set:
Load condition is that 800g is mono-eccentric；
The rotating speed of motor 200 accelerates to 400rpm from 90rpm.
When the side-play amount of inner core 100 being tested by high accuracy displacement sensor, available position as shown in Figure 5
Put side-play amount curve synoptic diagram.In the 5 embodiment of figure 5, x, y, z is respectively the displacement in three directions of three-dimensional system of coordinate,
Spd is drum rotation speed.
When the side-play amount of inner core 100 being tested by the driving means of the embodiment of the present invention, available such as Fig. 6 institute
The position offset curve synoptic diagram shown.In the embodiment in fig 6, x, y, z is respectively the position in three directions of three-dimensional system of coordinate
Shifting amount, spd is drum rotation speed.
Comparison diagram 5 and Fig. 6, it can be seen that the high accuracy displacement sensor that can substitute for of acceleration transducer detects injustice
Weighing apparatus.
Embodiment two: following test condition is set:
Load condition is that 800g diagonal angle is eccentric；
The rotating speed of motor 200 accelerates to 400rpm from 90rpm.
When the side-play amount of inner core 100 being tested by high accuracy displacement sensor, available position as shown in Figure 7
Put side-play amount curve synoptic diagram.In the embodiment of Fig. 7, x, y, z is respectively the displacement in three directions of three-dimensional system of coordinate,
Spd is drum rotation speed.
When the side-play amount of inner core 100 being tested by the driving means of the embodiment of the present invention, available such as Fig. 8 institute
The position offset curve synoptic diagram shown.In the embodiment in fig. 8, x, y, z is respectively the position in three directions of three-dimensional system of coordinate
Shifting amount, spd is drum rotation speed.
Comparison diagram 7 and Fig. 8, it can be seen that the high accuracy displacement sensor that can substitute for of acceleration transducer detects injustice
Weighing apparatus.
To sum up, the driving means of the washing machine proposed according to embodiments of the present invention, motor is arranged on urceolus, and will add
Velocity sensor is arranged on motor, and then the accekeration that detects according to acceleration transducer of electric machine controller and motor
Tachometer value calculates the displacement of urceolus, and according to displacement, motor is carried out eccentricity control such that it is able to realize more accurately
Eccentricity control, it is achieved laod unbalance detection function, accuracy of detection is high, and can realize real-time perception, and the detection time is short, improves
The experience of user.
Finally, the embodiment of the present invention also proposed a kind of washing machine, including the driving means of above-described embodiment.
The washing machine proposed according to embodiments of the present invention, by the driving means of above-mentioned washing machine, it is possible to realize more
Eccentricity control accurately, it is achieved laod unbalance detection function, accuracy of detection is high, and can realize real-time perception, detects the time
Short, improve the experience of user.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature 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 less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the 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.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (6)
1. the driving means of a washing machine, it is characterised in that including:
Urceolus；
It is arranged on the motor on described urceolus；
It is arranged on the acceleration transducer on described motor；
Turning of electric machine controller, accekeration that described electric machine controller detects according to described acceleration transducer and described motor
Speed value calculates the displacement of described urceolus, and according to described displacement, described motor is carried out eccentricity control.
2. the driving means of washing machine as claimed in claim 1, it is characterised in that described electric machine controller and described motor are
All-in-one machine structure.
3. the driving means of washing machine as claimed in claim 1, it is characterised in that described acceleration transducer is total by I2C
Line is connected with described electric machine controller.
4. the driving means of washing machine as claimed in claim 1, it is characterised in that also include:
Host computer, described host computer sends instruction to described electric machine controller.
5. the driving means of washing machine as claimed in claim 1, it is characterised in that described motor is frequency conversion motor.
6. a washing machine, it is characterised in that include the driving means as described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819133.0A CN106319861A (en) | 2016-09-12 | 2016-09-12 | Washing machine and driving device of washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819133.0A CN106319861A (en) | 2016-09-12 | 2016-09-12 | Washing machine and driving device of washing machine |
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| CN106319861A true CN106319861A (en) | 2017-01-11 |
Family
ID=57787150
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| CN201610819133.0A Pending CN106319861A (en) | 2016-09-12 | 2016-09-12 | Washing machine and driving device of washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064293A (en) * | 2019-05-21 | 2020-12-11 | 无锡飞翎电子有限公司 | Pulsator washing machine, control method, control device and computer readable storage medium |
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