CN107059334A - Rotary drum washing machine Accentric detector and rotary drum washing machine - Google Patents
Rotary drum washing machine Accentric detector and rotary drum washing machine Download PDFInfo
- Publication number
- CN107059334A CN107059334A CN201710316571.XA CN201710316571A CN107059334A CN 107059334 A CN107059334 A CN 107059334A CN 201710316571 A CN201710316571 A CN 201710316571A CN 107059334 A CN107059334 A CN 107059334A
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- China
- Prior art keywords
- washing machine
- rotary drum
- drum washing
- eccentric degree
- frequency signals
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Classifications
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- D06F37/203—
-
- 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
-
- 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
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
-
- D06F2202/085—
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The embodiment of the present invention provides a kind of rotary drum washing machine Accentric detector and rotary drum washing machine, belongs to home wiring control optimization field.Accentric detector includes：Level sensor and the vibrations unit and additional vibration body being arranged in the level sensor, wherein, when there is bias in the rotary drum washing machine, with the vibrations unit relative motion will occur for the additional vibration body, so that variable frequency signals of the level sensor output corresponding to eccentric degree.Pass through above-mentioned technical proposal, by setting additional vibration body in level sensor, when rotary drum washing machine has bias, with vibrations unit relative motion will occur for additional vibration body, so that level sensor output realizes eccentricity detecting corresponding to the variable frequency signals of eccentric degree.The eccentricity detecting scheme testing result is accurate, and easy realization with low cost.
Description
Technical field
The present invention relates to home wiring control optimization, done washing more particularly to a kind of rotary drum washing machine Accentric detector and impeller
Machine.
Background technology
Washing machine is the effect using washings and detergent, and by washing, cleaning, dehydration, drying and other steps, is removed
The device for the dirt being stained with washings.During washing of drum type washing machine, clothing is ceaselessly rubbed by the inwall of stainless steel cask
Or beat, and then realize the washing to clothing；During dehydration, under the driving of motor, whole washing machine inner tub rotates, and contains in clothing
Some moisture departs from clothing and discharges washing machine inner tub by the dewatering hole on washing machine inner tub under the influence of centrifugal force, then
Water is discharged by washing machine by the discharge structure of outer barrel of washing machine, so as to complete the dehydration of clothing.
During washing machine use, due to the water absorbing capacity of washings, material it is inconsistent, easily there is washings point
The problem of cloth is uneven.Washings skewness can cause the rotary shaft of washing machine inner tub to deviate preset direction, cause washing machine to exist
Run under eccentric state.Excessive bias can cause interior bucket to hit casing or control-rod, can even be produced when drying at a high speed strong
Vibration and noise.Serious bias results even in the problems such as washing machine displacement, jump occurs or damaged.
In order to carry out eccentricity detecting to rotary drum washing machine, use to set in rotary drum washing machine in the prior art and hit bucket switch
Technical scheme, bucket is hit when occurring eccentric by rotary drum washing machine and switchs to detect bias.
Present inventor has found that the washing machine eccentricity detecting scheme of prior art has during the present invention is realized
It is high to manufacturing technique requirent, hit barrel mechanical switch and take a walk larger, the defect of stability difference.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of device, and the device being capable of effective detection rotary drum washing machine bias.
To achieve these goals, the embodiment of the present invention provides a kind of rotary drum washing machine Accentric detector, bias inspection
Surveying device includes：
Level sensor and the vibrations unit and additional vibration body being arranged in the level sensor, wherein, when described
When rotary drum washing machine has eccentric, with vibrations unit relative motion will occur for additional vibration body, so that level sensor is exported
Corresponding to the variable frequency signals of eccentric degree.
Alternatively, extraneous vibration body is steel ball.
Alternatively, the eccentric degree is associated with the rotating speed of the rotary drum washing machine.
The other side of the embodiment of the present invention includes above-mentioned there is provided a kind of rotary drum washing machine, the rotary drum washing machine
Accentric detector, and memory and processor, wherein,
Processor, is configured to periodically receive variable frequency signals from Accentric detector, and realize each instruction；And
Memory, is configured to store a plurality of instruction, and instruction is suitable to be loaded by processor and performed based on the change received
Frequency signal judges eccentric degree.
Alternatively, it is described to judge that eccentric degree includes based on the variable frequency signals received：
When the frequency change for the variable frequency signals that a reception cycle is received is more than three frequency thresholds, judge eccentric
Degree is three-level.
Alternatively, it is described to judge that eccentric degree includes based on the variable frequency signals received：
In first range of speeds, the Frequency received when each reception cycle in the reception cycle of continuous first quantity
When the frequency change of signal is more than or equal to second frequency threshold value and is less than three frequency threshold, judge eccentric degree for two
Level.
Alternatively, it is described to judge that eccentric degree includes based on the variable frequency signals received：
In first range of speeds, received when each reception cycle in the reception cycle of continuous first quantity
Variable frequency signals frequency change more than or equal to first frequency threshold value and less than the second frequency threshold value when, judge eccentric
Degree is one-level.
Alternatively, it is described to judge that eccentric degree includes based on the variable frequency signals received：
In second range of speeds, the Frequency received when each reception cycle in the reception cycle of continuous second quantity
When the frequency change of signal is more than or equal to the 4th frequency threshold and is less than three frequency threshold, judge eccentric degree for two
Level.
Alternatively, it is described to judge that eccentric degree includes based on the variable frequency signals received：
In second range of speeds, received when each reception cycle in the reception cycle of continuous second quantity
Variable frequency signals frequency change more than or equal to the 5th frequency threshold and less than four frequency threshold when, judge eccentric
Degree is one-level.
Alternatively, when judging eccentric degree for three-level, stopping alarm is triggered.
By above-mentioned technical proposal, by setting additional vibration body in level sensor, when rotary drum washing machine is present partially
During the heart, with vibrations unit relative motion will occur for additional vibration body, so that level sensor output is corresponding to eccentric degree
Variable frequency signals, realize eccentricity detecting.The eccentricity detecting scheme testing result is accurate, and easy realization with low cost.
The further feature and advantage of the embodiment of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is that the embodiment of the present invention is further understood for providing, and constitutes a part for specification, with
The embodiment in face is used to explain the embodiment of the present invention together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure：
Fig. 1 is the rotary drum washing machine Accentric detector structural representation that one embodiment of the present invention is provided；
Fig. 2 is the rotary drum washing machine composition schematic diagram that embodiment of the present invention is provided；
Fig. 3 is Accentric detector setting schematic diagram in the rotary drum washing machine that embodiment of the present invention is provided.
Description of reference numerals
The Accentric detector of 1 level sensor 1 '
The 2 vibrations additional vibration bodies of unit 3
The housing of 4 signal output part 5
The processor of 6 memory 7
The outer barrel of 8 plastic tube 9.
Embodiment
The embodiment of the embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this
The embodiment of place description is merely to illustrate and explain the present invention embodiment, is not intended to limit the invention embodiment.
Fig. 1 is the rotary drum washing machine Accentric detector structural representation that one embodiment of the present invention is provided.Such as Fig. 1 institutes
Show, rotary drum washing machine Accentric detector provided in an embodiment of the present invention can include：Level sensor 1 and it is arranged on the water
Vibrations unit 2 and additional vibration body 3 in level sensor 1, wherein, when there is bias in the rotary drum washing machine, additional vibrations
With vibrations unit 2 relative motion will occur for body 3, so that level sensor 1, such as correspond to inclined from the output of signal output part 4
The variable frequency signals of heart degree.
It is, in principle, possible to think that level sensor 1 is actually a lc circuit.The change of water level can cause water
Air pressure change inside level sensor, then changes the inductance value in lc circuit, so as to change the frequency of LC oscillating circuits.According to
Predetermined mapping relations, can judge water level according to frequency.The Accentric detector that embodiments of the present invention are provided is above-mentioned
Expanded in the principle of level sensor.As described above, level sensor is to pass through pressure value by the change of water level
The design of circuit is converted to fast-changing square wave frequency in the unit interval, and processor can directly receive square wave or receive basis
Square wave after hardware circuits which process judges current water level value.Similarly, placed on the vibrations unit 2 in level sensor
After the additional vibration body 3 of such as steel ball, if eccentric produce occurs in the laundry processes being such as dehydrated and shakes for rotary drum washing machine,
Then with vibrations unit 2 relative motion can occur for steel ball, change so as to produce certain frequency to square wave.Bigger, the frequency of vibrations
Change is bigger, therefore accordingly, can judge the eccentric state of washing machine.
In embodiments, eccentric degree can be associated with the rotating speed of the rotary drum washing machine.Can be according to washing machine
Set multiple rotating speeds interval in different rotating speeds eccentric feature that may be present, so as to more accurately reflect eccentric degree.Citing
Rotating speed interval can be 50-200rpm, 200--300rpm, 300-350rpm etc..The eccentric degree of citing can be bias one
Level, eccentric two grades, eccentric three-level etc..Wherein, different rotating speeds interval can have identical eccentric degree.
By above-mentioned technical proposal, by setting additional vibration body in level sensor, when rotary drum washing machine is present partially
During the heart, with vibrations unit relative motion will occur for additional vibration body, so that level sensor output is corresponding to eccentric degree
Variable frequency signals, realize eccentricity detecting.The eccentricity detecting scheme testing result is accurate, and easy realization with low cost.
Fig. 2 is the rotary drum washing machine composition schematic diagram that embodiment of the present invention is provided.As shown in Fig. 2 the embodiment of the present invention
Other side there is provided a kind of rotary drum washing machine, the rotary drum washing machine can include being arranged in rotary drum washing machine housing 5
Above-mentioned Accentric detector 1 ', and memory 6 and processor 7, wherein, processor 7 may be configured to periodically from
Accentric detector 1 ' receives variable frequency signals, and realizes each instruction；And memory 6 may be configured to store a plurality of finger
Order, instruction is suitable to be loaded by processor and performed to judge eccentric degree based on the variable frequency signals received.
Fig. 3 is Accentric detector setting schematic diagram in the rotary drum washing machine that embodiment of the present invention is provided.Such as Fig. 3 institutes
Show, in the exemplary embodiment, Accentric detector 1 ' can be connected by plastic tube 8 with the outer barrel 9 of rotary drum washing machine, outside
SEA LEVEL VARIATION or washing machine bias in bucket 9 will make Accentric detector 1 ' export variable frequency signals.
In embodiments, judge that eccentric degree can include based on the variable frequency signals received：Week is received when one
When the frequency change for the variable frequency signals that phase (for example, 1s) is received is more than the 3rd frequency threshold (for example, 80Hz), it can be determined that
Eccentric degree is three-level.
In embodiments, in such as 50-200rpm first range of speeds, when continuous first quantity (for example, 5)
The frequency change for the variable frequency signals that each reception cycle in the reception cycle is received is more than or equal to second frequency threshold value (example
Such as, 25Hz) and less than described 3rd frequency threshold (for example, 80Hz) when, it can be determined that eccentric degree be two grades.It is same this
One range of speeds, when the frequency for the variable frequency signals that each reception cycle in the reception cycle of continuous first quantity is received becomes
When changing more than or equal to first frequency threshold value (for example, 8Hz) and being less than described second frequency threshold value (for example, 25Hz), it can sentence
Disconnected eccentric degree is one-level.
In various embodiments, judge that eccentric degree can include based on the variable frequency signals received：
In such as 200-300rpm second range of speeds, when in the reception cycle of continuous second quantity (such as 3)
The frequency change for the variable frequency signals that each reception cycle is received is more than or equal to the 4th frequency threshold (for example, 10Hz) and small
When described 3rd frequency threshold (for example, 80Hz), it can be determined that eccentric degree is two grades.In second range of speeds, when even
The frequency change for the variable frequency signals that each reception cycle in the reception cycle of continuous second quantity is received is more than or waited
In the 5th frequency threshold (for example, 5Hz) and less than described 4th frequency threshold (for example, 10Hz) when, it can be determined that eccentric degree
For one-level.
In embodiments, can be by following act after determining that washing machine has eccentric by above-mentioned embodiment
Example process carries out eccentric adjustment.For example, it is determined that after bias, being controlled to perform default adjustment process by processor 7；And holding
After the row default adjustment process, eccentricity detecting is performed again.The adjustment process of citing can include at least one of following：
Washing machine inner tub slows down, washing machine inflow.
In embodiments, it can take time to control eccentric adjustment process by the number of times or adjustment of adjustment.For example,
Pre-determined number or the scheduled time still eccentric alarm are reached performing default adjustment process.The pre-determined number of citing can be 3
It is secondary, 4 times, it is 5 inferior, the scheduled time of citing can be 20-30 minutes.
In embodiments, processing mode can be set according to different eccentric degrees.Judge that eccentric degree is for example, working as
During three-level, stopping alarm can be triggered.When judging eccentric degree for two grades, dehydration can be stopped and then adjustment of intaking,
Can also same alarm.When judging eccentric degree for one-level, dehydration can be stopped and then dehydration is restarted, can also
Same alarm.In above-mentioned eccentric degree, the eccentric order of severity can be increasingly severe from one-level to three-level.
The optional embodiment of example of the present invention is described in detail above in association with accompanying drawing, still, the embodiment of the present invention is not limited
Detail in above-mentioned embodiment, can be to the embodiment of the present invention in the range of the technology design of the embodiment of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to the protection domain of the embodiment of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the embodiment of the present invention pair
Various possible combinations no longer separately illustrate.
It will be appreciated by those skilled in the art that realizing that all or part of step in above-described embodiment method can be by
Program instructs the hardware of correlation to complete, and the program storage is in a storage medium, including some instructions are to cause one
Individual (can be single-chip microcomputer, chip etc.) or processor (processor) perform the whole of each embodiment methods described of the application
Or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
In addition, can also be combined between a variety of embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is run counter to, it should equally be considered as disclosure of that of the embodiment of the present invention.
Claims (10)
1. a kind of rotary drum washing machine Accentric detector, it is characterised in that the Accentric detector includes：
Level sensor and the vibrations unit and additional vibration body being arranged in the level sensor, wherein, when the impeller
When washing machine has eccentric, with the vibrations unit relative motion will occur for the additional vibration body, so that the water level is passed
Variable frequency signals of the sensor output corresponding to eccentric degree.
2. rotary drum washing machine Accentric detector according to claim 1, it is characterised in that the extraneous vibration body is steel
Ball.
3. rotary drum washing machine Accentric detector according to claim 1, it is characterised in that the eccentric degree with it is described
The rotating speed of rotary drum washing machine is associated.
4. a kind of rotary drum washing machine, it is characterised in that the rotary drum washing machine is included according to any one of claim 1-3
Accentric detector, and memory and processor, wherein,
The processor, is configured to periodically receive the variable frequency signals from the Accentric detector, and realize each
Instruction；And
The memory, is configured to store a plurality of instruction, and the instruction is suitable to be loaded by the processor and performed based on institute
The variable frequency signals of reception judge eccentric degree.
5. rotary drum washing machine according to claim 4, it is characterised in that described to be judged based on the variable frequency signals received
Eccentric degree includes：
When the frequency change for the variable frequency signals that a reception cycle is received is more than three frequency thresholds, eccentric degree is judged
For three-level.
6. rotary drum washing machine according to claim 5, it is characterised in that described to be judged based on the variable frequency signals received
Eccentric degree includes：
In first range of speeds, the variable frequency signals received when each reception cycle in the reception cycle of continuous first quantity
Frequency change more than or equal to second frequency threshold value and less than three frequency threshold when, judge eccentric degree for two grades.
7. rotary drum washing machine according to claim 6, it is characterised in that described to be judged based on the variable frequency signals received
Eccentric degree includes：
In first range of speeds, the change received when each reception cycle in the reception cycle of continuous first quantity
When the frequency change of frequency signal is more than or equal to first frequency threshold value and is less than the second frequency threshold value, eccentric degree is judged
For one-level.
8. rotary drum washing machine according to claim 5, it is characterised in that described to be judged based on the variable frequency signals received
Eccentric degree includes：
In second range of speeds, the variable frequency signals received when each reception cycle in the reception cycle of continuous second quantity
Frequency change more than or equal to the 4th frequency threshold and less than three frequency threshold when, judge eccentric degree for two grades.
9. rotary drum washing machine according to claim 8, it is characterised in that described to be judged based on the variable frequency signals received
Eccentric degree includes：
In second range of speeds, the change received when each reception cycle in the reception cycle of continuous second quantity
When the frequency change of frequency signal is more than or equal to the 5th frequency threshold and is less than four frequency threshold, eccentric degree is judged
For one-level.
10. rotary drum washing machine according to claim 5, it is characterised in that when judging eccentric degree for three-level, triggering stops
Machine is alarmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316571.XA CN107059334B (en) | 2017-05-08 | 2017-05-08 | Eccentric detection device of pulsator washing machine and pulsator washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316571.XA CN107059334B (en) | 2017-05-08 | 2017-05-08 | Eccentric detection device of pulsator washing machine and pulsator washing machine |
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| CN107059334A true CN107059334A (en) | 2017-08-18 |
| CN107059334B CN107059334B (en) | 2020-06-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944016A (en) * | 2017-12-20 | 2019-06-28 | 青岛胶南海尔洗衣机有限公司 | Washing facility controlling Method for inflow and washing facility |
| CN112011957A (en) * | 2019-05-13 | 2020-12-01 | 无锡小天鹅电器有限公司 | Washing machine, eccentricity detection method and device thereof, and storage medium |
| 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 |
| CN113699745A (en) * | 2020-05-20 | 2021-11-26 | 青岛海尔滚筒洗衣机有限公司 | Pulsator washing machine |
| CN116289103A (en) * | 2023-01-18 | 2023-06-23 | 安徽摩鱼科技有限公司 | Auxiliary measurement equipment for unbalanced load of washing machine |
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