CN103352349B - A kind of judgement unbalanced method of roller washing machine - Google Patents
A kind of judgement unbalanced method of roller washing machine Download PDFInfo
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- CN103352349B CN103352349B CN201310211400.2A CN201310211400A CN103352349B CN 103352349 B CN103352349 B CN 103352349B CN 201310211400 A CN201310211400 A CN 201310211400A CN 103352349 B CN103352349 B CN 103352349B
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- washing machine
- computer board
- position sensor
- suspension
- judgement
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- 238000005406 washing Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 230000008447 perception Effects 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 230000011664 signaling Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003795 desorption Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 210000004556 brain Anatomy 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/16—Imbalance
-
- 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
- D06F2103/26—Imbalance; Noise level
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of judgement unbalanced method of roller washing machine, relate to the roller washing machine of a kind of band position sensor, operation along with washing machine, communicate between computer board of washing machine and position sensor, position sensor is to washing machine internal suspension all directions (up and down, left and right, operation front and back) carries out real-time perception and the related data of perception is fed back to computer board of washing machine, computer board of washing machine is converted into three directions of washing machine internal suspension (up and down by respective algorithms, front and back, left and right) on vibration displacement amount, thus the Vibration Condition of washing machine internal suspension is monitored in real time, when abnormal vibrations occurs, carry out relevant treatment.
Description
Technical field
The present invention relates to the roller washing machine of band position sensor, particularly relate to position sensor to laundry drum
The monitoring in real time of hangs inside system all directions vibration is with situation unbalanced in judging inner tank of washing machine.
Background technology
Existing roller washing machine imbalance perception, the general computer board of washing machine MCU of employing sends to motor
Predetermined rotating speed command, and this rotating speed is carried out the maintenance of certain time, computer board of washing machine in maintenance process
Motor speed fluctuation is detected, by MCU accordingly in the inner tank of washing machine of the biggest correspondence of the fluctuation of speed not
Balancing the biggest, the imbalance in the least inner tank of washing machine of the fluctuation of speed is the least, thus determines washing machine
Uneven situation in inner core, and carry out the subsequent treatment being correlated with.This mode, it is easy to accomplish, it is not necessary to increase
Other accessory, but inner tank of washing machine once occurring, the diagonal angle of locus is uneven, tie up at rotating speed
Along with the rotation of inner tank of washing machine during holding, diagonal angle, space imbalance is cancelled out each other, motor feedback
The fluctuation of speed can be relatively small, according to conventional perception, now can judge that in inner tank of washing machine, imbalance is less,
And carry out high speed dewatering, but the now vibration of washing machine internal suspension is very big, whole during high speed dewatering
The noise vibration that machine produces is the biggest, and occurs in dehydration that displacement is hit the probability of casing and can be increased,
Operation safety to complete machine, service life and Consumer's Experience all can affect.
Summary of the invention
The unbalanced judgement in diagonal angle cylinder in offer a kind of energy accurately perception cylinder is provided
The unbalanced method of washing machine.
The unbalanced method of judgement roller washing machine according to embodiments of the present invention, including: washing machine takes off
During water, computer board of washing machine sends dependent instruction according to predetermined water desorption curve to motor and controls motor operation,
Motor runs and drives inner cylinder rotating, and at this moment computer board communicates with position sensor signal catcher, along with
The rising of motor speed, when there is amount of unbalance in inner core, suspension produces vibration, and position sensor is believed
Number generator is arranged in suspension follows suspension motion and produces position signalling change, position sensor
Position signalling (X, Y, the Z) real-time Transmission of all directions (up and down, front and back, left and right) that signal collector will be collected
To computer board, position signalling is converted into displacement by corresponding algorithm process by computer board again
(△ X=Xmax-Xmin, △ Y=Ymax-Ymin, △ Z=Zmax-Zmin), namely washing machine internal hangs
The vibratory output of system all directions, is carried out with preset security value in this vibratory output and computer board program (X ', Y ', Z ')
Contrast, judges unbalanced situation in inner core；If there is exceeding the vibration of safety range, carry out low speed
Shake loose process, and reattempt to perception.
It addition, the unbalanced method of judgement roller washing machine according to the above embodiment of the present invention can also have
Following additional technical characteristic:
An example according to the present invention, at roller washing machine ad-hoc location installation site sensor.
An example according to the present invention, the position signalling (X, Y, Z) that position sensor gathers passes through computer
Plate is converted into displacement (△ X, △ Y, △ Z) and carries out with preset security value in program (X ', Y ', Z ')
Contrast realizes.
An example according to the present invention, position signalling is converted into displacement process and is by computer board
△ X=Xmax-Xmin, △ Y=Ymax-Ymin, △ Z=Zmax-Zmin, wherein Xmax, Ymax,
Zmax and Xmin, Ymin, Zmin are to collect in one or more cycle.
An example according to the present invention, described motor drives inner cylinder rotating by belt transmission.
Aspect and advantage that the present invention adds will part be given in the following description, and part will be from following
Description in become obvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Present invention aspect that is above-mentioned and/or that add and advantage are from retouching embodiment below in conjunction with the accompanying drawings
Will be apparent from easy to understand in stating, wherein:
Fig. 1 is position sensor signal generator and signal collector installation position on roller washing machine
Put；
Fig. 2 is the overall control flow chart of the roller washing machine of band position sensor of the present invention；
Fig. 3 is the water desorption curve used by roller washing machine of the present invention；
Fig. 4 is space non-equilibrium site schematic diagram in inner cylinder for drum washing machine；
Fig. 5 is washing machine internal suspension movement locus and displacement relation under influence of unbalance；
Fig. 6 is the uneven impact on internal suspension vibration under different situations in inner core；
Fig. 7 is the position signalling that collects of position sensor and washing machine rotation speed relation figure；
Fig. 8 is the vibration signal that is processed into by position signalling of computer board MCU and washing machine rotation speed relation
Figure.
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, its
In the most same or similar label represent same or similar element or there is same or like merit
The element of energy.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this
Bright, and be not construed as limiting the claims.
Following disclosure provides many different embodiments or example for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter parts and setting to specific examples are described.
Certainly, they are the most merely illustrative, and are not intended to limit the present invention.Additionally, the present invention is permissible
Repeat reference numerals and/or letter in different examples.This repetition is to simplify and clearly mesh
, itself do not indicate the relation between discussed various embodiment and/or setting.Additionally, the present invention
The various specific technique provided and the example of material, but those of ordinary skill in the art can anticipate
Know the property of can be applicable to other techniques and/or the use of other materials.It addition, described below first
Feature second feature it " on " structure can include what the first and second features were formed as directly contacting
Embodiment, it is also possible to include the embodiment that other feature is formed between the first and second features, this
Sample the first and second feature is not likely to be directly contact.
In describing the invention, it should be noted that unless otherwise prescribed and limit, term " installs ",
" be connected ", " connection " should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to
It is the connection of two element internals, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
For the ordinary skill in the art, the concrete of above-mentioned term can be understood as the case may be
Implication.
With reference to explained below and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention.
Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention,
Represent some modes of the principle implementing embodiments of the invention, but it is to be understood that the present invention's
The scope of embodiment is not limited.On the contrary, embodiments of the invention include that falling into attached right wants
Seek all changes, amendment and the equivalent in the range of the spirit of book and intension.
The present invention is directed to roller washing machine routine perception unbalanced method cannot accurate diagonal angle in perception inner core
The complicated uneven situation about existing such as uneven, unbalanced in washing machine running shows as inside
The vibration of suspension, in the presence of bigger diagonal angle imbalance, the vibration of hangs inside system can be bigger,
But can still provide for high speed dewatering under conventional method
For solving the problems referred to above, solution of the present invention is: by hanging at washing machine internal
Hang and a position sensor is installed on system specific location, with shaking of real-time perception washing machine internal system
Dynamic.Specifically, during dehydration, computer board MCU controls electric machine rotation, and motor passes through belt driving band
Dynamic inner cylinder rotating, at this moment computer board MCU can communicate with position sensor signal catcher, with
The rising of rotating speed, when there is amount of unbalance in inner core, suspension can produce vibration, position sensing
Device signal generator is arranged in suspension can follow suspension motion generation position signalling change,
The position signalling of all directions (up and down, front and back, left and right) that position sensor signal catcher will be collected
(X, Y, Z) real-time Transmission to computer board MCU, computer board MCU again by corresponding algorithm process by position
Confidence number is converted into displacement, namely washing machine internal suspension all directions displacement (△ X,
△ Y, △ Z), contrast with preset security value in this vibratory output and computer board program (X ', Y ', Z '),
Judge unbalanced situation in inner core, if there is exceeding the vibration of safety range, carry out low speed and tremble
Dissipate and process, and reattempt to perception.
The position sensor that the present invention relates to installation site on washing machine is as shown in Figure 1.Position is believed
Number generator is arranged in the outer barrel of roller washing machine, and the position signal receiver of response is at washing machine
In outer case.Entirety control flow of the present invention is as shown in Figure 2.A kind of cylinder of band position sensor
Washing machine, the module such as including belt drive system, motor, position sensor, computer board.Such as Fig. 3,
During work, computer board MCU orders to motor accordingly according to water desorption curve, and motor runs through belt
Transmission drives inner cylinder rotating, when inner core occurs that unbalanced load as shown in Figure 4 is, unbalanced
Under effect, washing machine internal suspension can produce corresponding vibration, as it is shown in figure 5, its movement locus
Become and periodically change in certain limit, if Fig. 6 is different uneven corresponding simulation eccentric mass
Mathematical relationship corresponding to Oscillation Amplitude, the now position sensor signal generator meeting in suspension
Sending position signalling, the position sensor signal harvester being fixed on casing can receive hangs inside
Up and down, front and back, (Fig. 7 is with X side for position variation signal (X, Y, Z) on three directions of system (left and right)
As a example by), and this model is sent to computer board MCU, computer board MCU can be to the position received
Confidence number carries out algorithm process and position signalling is converted into displacement (△ X, △ Y, △ Z), namely washes
The vibratory output of clothing machine hangs inside system all directions, if Fig. 8 is as a example by X-direction, with this vibratory output with
Preset security value in computer board program (X ', Y ', Z ') contrast, judge unbalanced feelings in inner core
Condition, if there is exceeding the vibration of safety range, carries out low speed and shakes loose process, and reattempt to perception,
To prevent washing machine when dehydration by the unbalanced impact in diagonal angle, space, cause dehydration and vibration noise big,
The appearance of the drawbacks such as Consumer's Experience is undesirable.
In sum, the present invention installs a position sensing on washing machine internal suspension ad-hoc location
Device, and processed in real time by data communication and the data of position sensor with computer board of washing machine MCU
The vibration of perception washing machine internal system, complicated uneven with diagonal angle imbalance in accurate perception inner core etc.
Situation about existing.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
It is concrete that the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes
Feature, structure, material or feature are contained at least one embodiment or the example of the present invention.?
In this specification, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.
And, the specific features of description, structure, material or feature can be in any one or more realities
Execute in example or example and combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for those of ordinary skill in the art
For, it is possible to understand that without departing from the principles and spirit of the present invention can be to these embodiments
Carry out multiple change, revise, replace and modification, the scope of the present invention by claims and etc.
With limiting.
Claims (4)
1. one kind judges the unbalanced method of roller washing machine, it is characterised in that:
When washing machine is dehydrated, computer board of washing machine sends relevant according to predetermined water desorption curve to motor
Instruction controls motor and runs, and motor runs and drives inner cylinder rotating, at this moment computer board and position sensor signal
Catcher communicates, along with the rising of motor speed, and the suspension when there is amount of unbalance in inner core
Producing vibration, position sensor signal generator is arranged in suspension follows suspension motion generation
Position signalling changes, and the position upper and lower, around collected is believed by position sensor signal catcher
Number X, Y, Z real-time Transmission is to computer board, and computer board is processed by built-in algorithms and changed by position signalling
Become displacement △ X=Xmax-Xmin up and down, around, △ Y=Ymax-Ymin,
△ Z=Zmax-Zmin, namely washing machine internal suspension vibratory output up and down, around, with
This vibratory output and preset security value X in computer board program ', Y ', Z ' contrast, judge in inner core not
The situation of balance；If there is exceeding the vibration of safety range, carry out low speed and shake loose process, and reattempt to
Perception.
2. the judgement unbalanced method of roller washing machine as claimed in claim 1, it is characterised in that: position
Position signalling X, Y, Z upper and lower, around of putting sensor acquisition are converted into by computer board
Under, displacement △ X around, △ Y, △ Z and with preset security value X in program ', Y, Z '
Carry out contrast to realize.
3. the judgement unbalanced method of roller washing machine as claimed in claim 2, it is characterised in that: electricity
It is △ X=Xmax-Xmin that position signalling is converted into displacement process by brain plate, △ Y=Ymax-Ymin,
△ Z=Zmax-Zmin, wherein Xmax, Ymax, Zmax and Xmin, Ymin, Zmin be one or
Person collected in multiple cycle.
4. the judgement unbalanced method of roller washing machine as claimed in claim 1, it is characterised in that: institute
State motor and drive inner cylinder rotating by belt transmission.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211400.2A CN103352349B (en) | 2013-05-29 | 2013-05-29 | A kind of judgement unbalanced method of roller washing machine |
| PCT/CN2013/077204 WO2014190566A1 (en) | 2013-05-29 | 2013-06-13 | Method for determining drum washing machine imbalance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310211400.2A CN103352349B (en) | 2013-05-29 | 2013-05-29 | A kind of judgement unbalanced method of roller washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103352349A CN103352349A (en) | 2013-10-16 |
| CN103352349B true CN103352349B (en) | 2016-10-05 |
Family
ID=49308757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310211400.2A Active CN103352349B (en) | 2013-05-29 | 2013-05-29 | A kind of judgement unbalanced method of roller washing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103352349B (en) |
| WO (1) | WO2014190566A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775274B (en) * | 2014-01-14 | 2018-03-16 | 海尔集团技术研发中心 | The spacing balance control system of inner tank of washing machine and method |
| CN104532514A (en) * | 2014-12-15 | 2015-04-22 | 南京创维电器研究院有限公司 | Impeller washing machine unbalance detection method and system |
| CN105088645B (en) * | 2015-05-28 | 2017-12-22 | 无锡小天鹅股份有限公司 | The rotation bucket control method of washing of roller washing machine |
| CN106854802A (en) * | 2015-12-09 | 2017-06-16 | 无锡小天鹅股份有限公司 | Rotary drum washing machine and its control method |
| JP7178651B2 (en) * | 2017-11-21 | 2022-11-28 | 青島海爾洗衣机有限公司 | drum washing machine |
| CN111850947B (en) * | 2019-04-08 | 2023-03-17 | 青岛海尔洗衣机有限公司 | Control method of washing equipment with dewatering function and washing equipment |
| CN112481934A (en) * | 2020-11-20 | 2021-03-12 | 合肥美菱物联科技有限公司 | Washing machine eccentricity detection device and detection method thereof |
| CN113417106B (en) * | 2021-06-28 | 2023-11-28 | 青岛海尔科技有限公司 | Washing machine steady operation method and device based on pressure sensor |
| CN114836941A (en) * | 2022-05-06 | 2022-08-02 | Tcl家用电器（合肥）有限公司 | Washing machine, control method thereof, control system thereof, and computer-readable storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006032337A1 (en) * | 2006-07-12 | 2008-01-17 | BSH Bosch und Siemens Hausgeräte GmbH | Method for controlling a spin cycle of a washing machine and suitable for performing the method suitable washing machine |
| JP2008061856A (en) * | 2006-09-08 | 2008-03-21 | Hitachi Appliances Inc | Drum type washing machine and drum type washing/drying machine |
| JP4756054B2 (en) * | 2008-03-13 | 2011-08-24 | パナソニック株式会社 | Drum washing machine |
| EP2534449B1 (en) * | 2010-02-12 | 2016-07-06 | Marquardt Mechatronik GmbH | Method for measuring a position |
| CN201809635U (en) * | 2010-05-07 | 2011-04-27 | 陈建新 | Vibration displacement acceleration detection device for clothes dryer or washing machine |
-
2013
- 2013-05-29 CN CN201310211400.2A patent/CN103352349B/en active Active
- 2013-06-13 WO PCT/CN2013/077204 patent/WO2014190566A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| CN103352349A (en) | 2013-10-16 |
| WO2014190566A1 (en) | 2014-12-04 |
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Effective date of registration: 20190808 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. |
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