CN107099972A - Unbalance detection, rotary drum washing machine and the storage medium of rotary drum washing machine - Google Patents
Unbalance detection, rotary drum washing machine and the storage medium of rotary drum washing machine Download PDFInfo
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- CN107099972A CN107099972A CN201710402906.XA CN201710402906A CN107099972A CN 107099972 A CN107099972 A CN 107099972A CN 201710402906 A CN201710402906 A CN 201710402906A CN 107099972 A CN107099972 A CN 107099972A
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- washing machine
- staving
- drum washing
- rotary drum
- acceleration
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- D06F37/203—
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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
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- D06F2202/065—
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- D06F2204/065—
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Abstract
The invention discloses a kind of unbalance detection of rotary drum washing machine, rotary drum washing machine and storage medium.The staving that the present invention obtains rotary drum washing machine is rotating acceleration and rotary speed in N weeks, corresponding displacement amplitude is calculated according to the acceleration and rotary speed, judge whether the staving is in non-equilibrium state according to the displacement amplitude, the accuracy of detection of imbalance detection is high, being capable of real-time perception non-equilibrium state, detection time is short, and testing cost and detection difficulty are relatively low.
Description
Technical field
The present invention relates to washing machine technology field, more particularly to a kind of unbalance detection of rotary drum washing machine, impeller
Washing machine and storage medium.
Background technology
In rotary drum washing machine, when the staving that variable-frequency motor is driven occurs uneven, the rotating speed of variable-frequency motor is higher,
Then rotary drum washing machine produces vibration and noise will be bigger, so that the service life of rotary drum washing machine can be reduced.
So, rotary drum washing machine must have staving imbalance detection function, can be by adjusting when finding that staving is uneven
Turn over speed is changed to the non-equilibrium state of staving, to reach the vibration of reduction system and the purpose of noise.
Prior art provides following unbalance detection：By being installed between the staving and casing of rotary drum washing machine
Limit switch, causes staving to rock shock limit switch, rotary drum washing machine stops the rotation at once, prevents from hitting once there is bias
Bucket.This method can only avoid rotary drum washing machine from hitting bucket to a certain extent, it is impossible to accomplish accurately uneven detection.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
The content of the invention
It is a primary object of the present invention to provide a kind of unbalance detection of rotary drum washing machine, rotary drum washing machine and deposit
Storage media, it is intended to which the technical problem of accurately uneven detection can not be accomplished by solving rotary drum washing machine in the prior art.
To achieve the above object, the present invention provides a kind of unbalance detection of rotary drum washing machine, and methods described includes
Following steps：
The staving for obtaining rotary drum washing machine is rotating acceleration and rotary speed in N weeks, and the N is more than or equal to 1
Integer；
Corresponding displacement amplitude is calculated according to the acceleration and rotary speed；
Whether the staving for judging the rotary drum washing machine according to the displacement amplitude is in non-equilibrium state.
Preferably, it is described that corresponding displacement amplitude is calculated according to the acceleration and rotary speed, specifically include：
The average value of the rotary speed is calculated, according to the average value and the corresponding displacement amplitude of acceleration calculation.
Preferably, the average value for calculating the rotary speed, corresponding according to the average value and acceleration calculation
Displacement amplitude, is specifically included：
The average value of the rotary speed is calculated, the peak value and valley of the acceleration is obtained, the peak value and paddy is calculated
Difference between value, and the half of the difference is accelerated into fluctuation amplitude and flat as the acceleration fluctuation amplitude according to described
The corresponding displacement amplitude of mean value computation.
Preferably, it is described to judge the staving of the rotary drum washing machine whether in uneven shape according to the displacement amplitude
State, is specifically included：
The displacement amplitude and the amplitude thresholds are compared, the rotary drum washing machine is judged according to comparative result
Whether staving is in non-equilibrium state.
Preferably, it is described to be compared the displacement amplitude and the amplitude thresholds, according to judging comparative result
Whether the staving of rotary drum washing machine is in non-equilibrium state, specifically includes：
The displacement amplitude and the amplitude thresholds are compared, are that the displacement amplitude exceedes in the comparative result
During the amplitude thresholds, assert that the staving of the rotary drum washing machine is in non-equilibrium state, be institute's rheme in the comparative result
When moving amplitude not less than the amplitude thresholds, assert that the staving of the rotary drum washing machine is not in non-equilibrium state.
Preferably, it is described to judge whether the staving of the rotary drum washing machine is in non-equilibrium state according to the displacement amplitude
Afterwards, methods described also includes：
When the staving of the rotary drum washing machine is in non-equilibrium state, number parameter is increased；
Judge whether the number parameter after increase exceedes preset times threshold value, the number parameter after the increase exceedes institute
When stating preset times threshold value, the staving of the rotary drum washing machine is controlled to stop the rotation；Number parameter after the increase does not surpass
When crossing the preset times threshold value, return to the staving for obtaining rotary drum washing machine and rotating acceleration and rotation speed in N weeks
The step of spending.
Preferably, it is described to be compared the acceleration fluctuation amplitude and the amplitude thresholds, judged according to comparative result
Whether the staving of the rotary drum washing machine is in after non-equilibrium state, and methods described also includes：
When the staving of the rotary drum washing machine is not in non-equilibrium state, the staving of the rotary drum washing machine is controlled to carry out
Accelerate rotation, judge whether the staving of the rotary drum washing machine reaches the default acceleration time, in the staving of the rotary drum washing machine
Rotational time when reaching the default acceleration time, control the staving of the rotary drum washing machine to stop the rotation；In impeller laundry
When the rotational time of the staving of machine is not up to the default acceleration time, the staving for obtaining rotary drum washing machine is returned in rotation N weeks
The step of interior acceleration and rotary speed.
In addition, to achieve the above object, the present invention also provides a kind of rotary drum washing machine, and the rotary drum washing machine includes：Deposit
Reservoir, processor and the uneven detection program that is stored on the memory and can run on the processor, it is described not
The step of balance detection program is arranged for carrying out described laod unbalance detection method.
Preferably, the rotary drum washing machine also includes：Acceleration transducer, staving and variable-frequency motor, the acceleration are passed
Sensor is configured to gather the acceleration of the staving on the staving, and the acceleration of collection is transmitted to the control
Device processed；The variable-frequency motor is configured to drive the staving to be rotated under the control of the processor.
In addition, to achieve the above object, the present invention also provides a kind of computer-readable recording medium, described computer-readable
Be stored with uneven detection program on storage medium, and described injustice is realized when the uneven detection program is executed by processor
The step of detection method that weighs.
The staving that the present invention obtains rotary drum washing machine is rotating acceleration and rotary speed in N weeks, is accelerated according to described
Whether degree and rotary speed calculate corresponding displacement amplitude, judge the staving in uneven shape according to the displacement amplitude
State, the accuracy of detection of imbalance detection is high, can real-time perception non-equilibrium state, detection time is short, and testing cost and inspection
Survey difficulty relatively low.
Brief description of the drawings
Fig. 1 is the rotary drum washing machine structural representation for the hardware running environment that scheme of the embodiment of the present invention is related to；
Fig. 2 is the scheme of installation of acceleration transducer in the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the unbalance detection first embodiment of rotary drum washing machine of the present invention；
Fig. 4 is the schematic flow sheet of the unbalance detection second embodiment of rotary drum washing machine of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Reference picture 1, Fig. 1 is the rotary drum washing machine structural representation for the hardware running environment that scheme of the embodiment of the present invention is related to
Figure.
As shown in figure 1, the rotary drum washing machine can include：Processor 1001, such as CPU, staving 1002, user interface
1003, variable-frequency motor 1004, memory 1005 and acceleration transducer 1006.Wherein, staving 1002 is by the variable-frequency motor
1004 objects driven.User interface 1003 can include display screen (Display), input block such as keyboard
(Keyboard), optional user interface 1003 can also include wireline interface, the wave point of standard.Memory 1005 can be
High-speed RAM memory or stable memory (non-volatile memory), such as magnetic disk storage.Memory
The 1005 optional storage devices that can also be independently of aforementioned processor 1001.Acceleration transducer 1006 is located at the staving
On 1002 (certainly, also can be on the part that is connected with the staving 1002), and it be configured to gather the acceleration of the staving,
And transmit the acceleration of collection to the controller, in the specific implementation, the acceleration transducer can be passed using 3D acceleration
Sensor.
Specifically, reference picture 2, the staving 1002 is located in the casing 1007 of the rotary drum washing machine, the acceleration
Sensor 1005 can be located at the bottom of the staving 1002.
It will be understood by those skilled in the art that the rotary drum washing machine structure shown in Fig. 1 is not constituted to rotary drum washing machine
Restriction, can include than illustrating more or less parts, either combine some parts or different parts arrangement.
As shown in figure 1, as operating system, Yong Hujie can be included in a kind of memory 1005 of computer-readable storage medium
Mouth mold block and uneven detection program.
In the rotary drum washing machine shown in Fig. 1, the rotary drum washing machine is called in memory 1005 by processor 1001
The uneven detection program of storage, and perform following operate：
The staving for obtaining rotary drum washing machine is rotating acceleration and rotary speed in N weeks, and the N is more than or equal to 1
Integer；
Corresponding displacement amplitude is calculated according to the acceleration and rotary speed；
Whether the staving for judging the rotary drum washing machine according to the displacement amplitude is in non-equilibrium state.
Further, processor 1001 can call the uneven detection program stored in memory 1005, also perform with
Lower operation：
The average value of the rotary speed is calculated, according to the average value and the corresponding displacement amplitude of acceleration calculation.
Further, processor 1001 can call the uneven detection program stored in memory 1005, also perform with
Lower operation：
The average value of the rotary speed is calculated, the peak value and valley of the acceleration is obtained, the peak value and paddy is calculated
Difference between value, and the half of the difference is accelerated into fluctuation amplitude and flat as the acceleration fluctuation amplitude according to described
The corresponding displacement amplitude of mean value computation.
Further, processor 1001 can call the uneven detection program stored in memory 1005, also perform with
Lower operation：
The displacement amplitude and the amplitude thresholds are compared, the rotary drum washing machine is judged according to comparative result
Whether staving is in non-equilibrium state.
Further, processor 1001 can call the uneven detection program stored in memory 1005, also perform with
Lower operation：
The displacement amplitude and the amplitude thresholds are compared, are that the displacement amplitude exceedes in the comparative result
During the amplitude thresholds, assert that the staving of the rotary drum washing machine is in non-equilibrium state, be institute's rheme in the comparative result
When moving amplitude not less than the amplitude thresholds, assert that the staving of the rotary drum washing machine is not in non-equilibrium state.
Further, processor 1001 can call the uneven detection program stored in memory 1005, also perform with
Lower operation：
When the staving of the rotary drum washing machine is in non-equilibrium state, number parameter is increased；
Judge whether the number parameter after increase exceedes preset times threshold value, the number parameter after the increase exceedes institute
When stating preset times threshold value, the staving of the rotary drum washing machine is controlled to stop the rotation；Number parameter after the increase does not surpass
When crossing the preset times threshold value, return to the staving for obtaining rotary drum washing machine and rotating acceleration and rotation speed in N weeks
The step of spending.
Further, processor 1001 can call the uneven detection program stored in memory 1005, also perform with
Lower operation：
When the staving of the rotary drum washing machine is not in non-equilibrium state, the staving of the rotary drum washing machine is controlled to carry out
Accelerate rotation, judge whether the staving of the rotary drum washing machine reaches the default acceleration time, in the staving of the rotary drum washing machine
Rotational time when reaching the default acceleration time, control the staving of the rotary drum washing machine to stop the rotation；In impeller laundry
When the rotational time of the staving of machine is not up to the default acceleration time, the staving for obtaining rotary drum washing machine is returned in rotation N weeks
The step of interior acceleration and rotary speed.
The present embodiment is by such scheme, and the staving for obtaining rotary drum washing machine is rotating acceleration and rotation speed in N weeks
Degree, calculates corresponding displacement amplitude according to the acceleration and rotary speed, judges that the staving is according to the displacement amplitude
No to be in non-equilibrium state, the accuracy of detection of imbalance detection is high, can real-time perception non-equilibrium state, detection time is short, and
And testing cost and detection difficulty are relatively low.
Based on above-mentioned hardware configuration, the unbalance detection embodiment of rotary drum washing machine of the present invention is proposed.
Reference picture 3, Fig. 3 is the schematic flow sheet of the unbalance detection first embodiment of rotary drum washing machine of the present invention.
In the first embodiment, the unbalance detection of the rotary drum washing machine comprises the following steps：
S10：Obtain rotary drum washing machine staving rotation N week in acceleration and rotary speed, the N for more than or equal to
1 integer；
It should be noted that the staving is the staving of rotary drum washing machine.
It will be appreciated that be that staving is rotating acceleration and rotary speed in N weeks due to what is obtained in this step, because
This, the acceleration and rotary speed are continuous data of the staving in rotation interior collection in N weeks, certainly, or discrete data,
The present embodiment is not any limitation as to this.
S20：Corresponding displacement amplitude is calculated according to the acceleration and rotary speed；
In the specific implementation, because staving is not accelerated rotation N week is interior, therefore, the rotary course of the staving
Can be approximately at the uniform velocity to rotate, so, staving is typically to be caused by reasons such as clothing imbalances rotating the acceleration in N weeks, because
This, staving is rotating the acceleration in N weeks with periodicity, and rotary speed is essentially a fixed value, now, can be according to institute
State acceleration and rotary speed calculates corresponding displacement amplitude.
, can be by motion of the staving of rotary drum washing machine etc. in the specific implementation, the rotation of the staving for rotary drum washing machine
Valency is the simple harmonic motion of single-degree-of-freedom, and its expression formula is：
Wherein, x (t) is the displacement of the staving, and A is displacement amplitude, and ω is the rotary speed of the staving,For skew
Radian, t is the time.
Displacement to the staving is carried out after derivation twice, can be obtained：
Wherein, a is the acceleration of the staving.
Understood according to above-mentioned formula (2), corresponding displacement amplitude can be calculated according to the acceleration and rotary speed.
It will be appreciated that the rotary speed either continuous data, or discrete data, non-fixed number
Value, for ease of calculating displacement amplitude, in the specific implementation, the average value of the rotary speed can be calculated, according to the average value
Displacement amplitude corresponding with acceleration calculation.
To ensure in the efficiency for calculating the displacement amplitude, the present embodiment, the average value of the rotary speed can be calculated, is obtained
Take the peak value and valley of the acceleration, calculate the difference between the peak value and valley, and using the half of the difference as
The acceleration fluctuation amplitude, according to the acceleration fluctuation amplitude and the corresponding displacement amplitude of mean value calculation.
Assuming that the N is 1, now, can there are a crest and a trough in the acceleration, you can directly obtain institute
State the peak value and valley of acceleration, calculate the difference between the peak value and valley, and using the half of the difference as described
Accelerate fluctuation amplitude, according to the acceleration fluctuation amplitude and the corresponding displacement amplitude of mean value calculation, specifically, according to above-mentioned public affairs
Formula (2), the position amplitude can will accelerate square acquisition of fluctuation amplitude divided by the average value.
Assuming that the N is the integer more than or equal to 2, now, the acceleration is generally to that should have N number of cycle, each cycle
Can there are a peak value and a valley, to ensure the accuracy of the acceleration fluctuation amplitude, now, each week can be calculated respectively
Difference in phase between peak value and valley, and the average of the difference is calculated, by the average generally as the acceleration wave
Dynamic amplitude, fluctuation amplitude and the corresponding displacement amplitude of mean value calculation are accelerated according to described, specifically, according to above-mentioned formula (2),
The position amplitude can will accelerate square acquisition of fluctuation amplitude divided by the average value.
Certainly,, also can be direct to improve in computational efficiency, the present embodiment during for the N for integer more than or equal to 2
Obtain the peak value and valley in the acceleration, calculate the difference between the peak value and valley, and by the half of the difference
As the acceleration fluctuation amplitude, according to the acceleration fluctuation amplitude and the corresponding displacement amplitude of mean value calculation, specifically, root
According to above-mentioned formula (2), the position amplitude can will accelerate square acquisition of fluctuation amplitude divided by the average value.
S30：Whether the staving for judging the rotary drum washing machine according to the displacement amplitude is in non-equilibrium state.
It will be appreciated that when the displacement amplitude is excessive, can assert that the staving is in non-equilibrium state, specific real
In existing, the displacement amplitude and the amplitude thresholds can be compared, judge whether the staving is according to comparative result
Non-equilibrium state.
, can be by the displacement amplitude and institute for ease of judging whether the staving is in non-equilibrium state, the present embodiment
State amplitude thresholds to be compared, when the comparative result is that the displacement amplitude exceedes the amplitude thresholds, assert the bucket
Body is in non-equilibrium state, the comparative result be the displacement amplitude not less than the amplitude thresholds when, assert the bucket
Body is not in non-equilibrium state.
In the specific implementation, the acceleration transducer can generally obtain the acceleration of the staving, certainly, when described plus
When velocity sensor is 3D sensors, the acceleration transducer also can detect component of acceleration in three directions, accordingly
Ground, can calculate displacement amplitude of the staving on these three directions, by the displacement amplitude on these three directions respectively with amplitude
Threshold value is compared, when each displacement amplitude is not less than the amplitude thresholds, assert that the staving is not in non-equilibrium state,
Otherwise assert that the staving is in non-equilibrium state.
The staving that the present embodiment obtains rotary drum washing machine is rotating acceleration and rotary speed in N weeks, is added according to described
Whether speed and rotary speed calculate corresponding displacement amplitude, judge the staving in uneven shape according to the displacement amplitude
State, the accuracy of detection of imbalance detection is high, can real-time perception non-equilibrium state, detection time is short, and testing cost and inspection
Survey difficulty relatively low.
Further, as shown in figure 4, proposing the unbalance detection of rotary drum washing machine of the present invention based on first embodiment
Second embodiment, in the present embodiment, after step S30, methods described also includes：
S40：When the staving is in non-equilibrium state, number parameter is increased；
S50：Judge whether the number parameter after increase exceedes preset times threshold value, the number parameter after the increase surpasses
When crossing the preset times threshold value, the staving is controlled to stop the rotation；Number parameter after the increase is pre- not less than described
If during frequency threshold value, returning to the staving that obtains the step of acceleration and the rotary speed in N weeks is rotated.
, can be frequent if it will be appreciated that the staving is in non-equilibrium state, just directly controlling the staving to stop the rotation
The normal workflow of the rotary drum washing machine is interrupted, causes operating efficiency too low, therefore, in the present embodiment, one is can be set
Number parameter, it is used to record the number of times in non-equilibrium state, and certainly, its initial value may be configured as 0, the preset times threshold
Value can be configured as needed, for example：The numerical value such as 2,3,4,5,6 are set to, can be to institute when increasing number parameter
State number parameter and Jia 1.
When number parameter after the increase exceedes the preset times threshold value, it will be appreciated that for that can not be disappeared by rotating
Except the non-equilibrium state of the staving, if continuing return to step S10, endless loop can be caused, so that cause waste of energy, so need
The staving is controlled to stop the rotation；
When number parameter after the increase is not less than the preset times threshold value, it will be appreciated that described for that can attempt to eliminate
The non-equilibrium state of staving, return to step S10.
Certainly, after step S30, methods described also includes：
S60：When the staving is not in non-equilibrium state, controls the staving to carry out acceleration rotation, judge the bucket
Whether body reaches the default acceleration time, when the rotational time of the staving reaches the default acceleration time, controls the staving to stop
Spin-ended turn；When the rotational time of the staving is not up to the default acceleration time, return to step S10.
In order to ensure to continue in the default acceleration time to carry out uneven detection, therefore, in the rotation of the staving
Between not up to the default acceleration time when, return to step S10.
It is correspondingly, described in the specific implementation, above-mentioned uneven detection can be applied in the dehydration mode of rotary drum washing machine
The default acceleration time is the corresponding default dehydration setting time of dehydration mode.
In addition, the embodiment of the present invention also proposes a kind of computer-readable recording medium, the computer-readable recording medium
On be stored with uneven detection program, following operation is realized when the uneven detection program is executed by processor：
The staving for obtaining rotary drum washing machine is rotating acceleration and rotary speed in N weeks, and the N is more than or equal to 1
Integer；
Corresponding displacement amplitude is calculated according to the acceleration and rotary speed；
Whether the staving for judging the rotary drum washing machine according to the displacement amplitude is in non-equilibrium state.
Further, following operation is also realized when the uneven detection program is executed by processor：
The average value of the rotary speed is calculated, according to the average value and the corresponding displacement amplitude of acceleration calculation.
Further, following operation is also realized when the uneven detection program is executed by processor：
The average value of the rotary speed is calculated, the peak value and valley of the acceleration is obtained, the peak value and paddy is calculated
Difference between value, and the half of the difference is accelerated into fluctuation amplitude and flat as the acceleration fluctuation amplitude according to described
The corresponding displacement amplitude of mean value computation.
Further, following operation is also realized when the uneven detection program is executed by processor：
The displacement amplitude and the amplitude thresholds are compared, the rotary drum washing machine is judged according to comparative result
Whether staving is in non-equilibrium state.
Further, following operation is also realized when the uneven detection program is executed by processor：
The displacement amplitude and the amplitude thresholds are compared, are that the displacement amplitude exceedes in the comparative result
During the amplitude thresholds, assert that the staving of the rotary drum washing machine is in non-equilibrium state, be institute's rheme in the comparative result
When moving amplitude not less than the amplitude thresholds, assert that the staving of the rotary drum washing machine is not in non-equilibrium state.
Further, following operation is also realized when the uneven detection program is executed by processor：
When the staving of the rotary drum washing machine is in non-equilibrium state, number parameter is increased；
Judge whether the number parameter after increase exceedes preset times threshold value, the number parameter after the increase exceedes institute
When stating preset times threshold value, the staving of the rotary drum washing machine is controlled to stop the rotation；Number parameter after the increase does not surpass
When crossing the preset times threshold value, return to the staving for obtaining rotary drum washing machine and rotating acceleration and rotation speed in N weeks
The step of spending.
Further, following operation is also realized when the uneven detection program is executed by processor：
When the staving of the rotary drum washing machine is not in non-equilibrium state, the staving of the rotary drum washing machine is controlled to carry out
Accelerate rotation, judge whether the staving of the rotary drum washing machine reaches the default acceleration time, in the staving of the rotary drum washing machine
Rotational time when reaching the default acceleration time, control the staving of the rotary drum washing machine to stop the rotation；In impeller laundry
When the rotational time of the staving of machine is not up to the default acceleration time, the staving for obtaining rotary drum washing machine is returned in rotation N weeks
The step of interior acceleration and rotary speed.
The present embodiment is by such scheme, and the staving for obtaining rotary drum washing machine is rotating acceleration and rotation speed in N weeks
Degree, calculates corresponding displacement amplitude according to the acceleration and rotary speed, judges that the staving is according to the displacement amplitude
No to be in non-equilibrium state, the accuracy of detection of imbalance detection is high, can real-time perception non-equilibrium state, detection time is short, and
And testing cost and detection difficulty are relatively low.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also including other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in process, method, article or the system of key element.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Understood based on such, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone,
Computer, server, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of unbalance detection of rotary drum washing machine, it is characterised in that the described method comprises the following steps：
The staving of acquisition rotary drum washing machine is the integer more than or equal to 1 rotating acceleration and rotary speed in N weeks, the N；
Corresponding displacement amplitude is calculated according to the acceleration and rotary speed；
Whether the staving for judging the rotary drum washing machine according to the displacement amplitude is in non-equilibrium state.
2. the method as described in claim 1, it is characterised in that described to calculate corresponding according to the acceleration and rotary speed
Displacement amplitude, is specifically included：
The average value of the rotary speed is calculated, according to the average value and the corresponding displacement amplitude of acceleration calculation.
3. method as claimed in claim 2, it is characterised in that the average value of the calculating rotary speed, according to described
Average value and the corresponding displacement amplitude of acceleration calculation, are specifically included：
Calculate the average value of the rotary speed, obtain the peak value and valley of the acceleration, calculate the peak value and valley it
Between difference, and using the half of the difference as the acceleration fluctuation amplitude, according to the acceleration fluctuation amplitude and average value
Calculate corresponding displacement amplitude.
4. the method as described in claim 1, it is characterised in that described that the rotary drum washing machine is judged according to the displacement amplitude
Staving whether be in non-equilibrium state, specifically include：
The displacement amplitude and the amplitude thresholds are compared, the staving of the rotary drum washing machine is judged according to comparative result
Whether non-equilibrium state is in.
5. method as claimed in claim 4, it is characterised in that described to be compared the displacement amplitude and the amplitude thresholds
Compared with whether the staving for judging the rotary drum washing machine according to comparative result is in non-equilibrium state, specifically includes：
The displacement amplitude and the amplitude thresholds are compared, are described in the displacement amplitude exceedes in the comparative result
During amplitude thresholds, assert that the staving of the rotary drum washing machine is in non-equilibrium state, be the displacement width in the comparative result
When value is not less than the amplitude thresholds, assert that the staving of the rotary drum washing machine is not in non-equilibrium state.
6. such as method according to any one of claims 1 to 5, it is characterised in that described to judge institute according to the displacement amplitude
Whether the staving for stating rotary drum washing machine is in after non-equilibrium state, and methods described also includes：
When the staving of the rotary drum washing machine is in non-equilibrium state, number parameter is increased；
Judge whether the number parameter after increase exceedes preset times threshold value, the number parameter after the increase exceedes described pre-
If during frequency threshold value, controlling the staving of the rotary drum washing machine to stop the rotation；Number parameter after the increase is not less than institute
When stating preset times threshold value, acceleration and rotary speed of the staving for obtaining rotary drum washing machine in rotation N weeks are returned
Step.
7. such as method according to any one of claims 1 to 5, it is characterised in that described by the acceleration fluctuation amplitude and institute
Amplitude thresholds are stated to be compared, according to comparative result judge the rotary drum washing machine staving whether in non-equilibrium state it
Afterwards, methods described also includes：
When the staving of the rotary drum washing machine is not in non-equilibrium state, the staving of the rotary drum washing machine is controlled to be accelerated
Rotation, judges whether the staving of the rotary drum washing machine reaches the default acceleration time, in the rotation of the staving of the rotary drum washing machine
When the time of turning reaches the default acceleration time, the staving of the rotary drum washing machine is controlled to stop the rotation；In the rotary drum washing machine
When the rotational time of staving is not up to the default acceleration time, the staving for obtaining rotary drum washing machine is returned in rotation N weeks
The step of acceleration and rotary speed.
8. a kind of rotary drum washing machine, it is characterised in that the rotary drum washing machine includes：Memory, processor and it is stored in described
On memory and the uneven detection program that can run on the processor, the uneven detection program be arranged for carrying out as
The step of laod unbalance detection method any one of claim 1 to 7.
9. rotary drum washing machine as claimed in claim 8, it is characterised in that the rotary drum washing machine also includes：Acceleration sensing
Device, staving and variable-frequency motor, the acceleration transducer are configured to gather the acceleration of the staving on the staving
Degree, and the acceleration of collection is transmitted to the controller；The variable-frequency motor is configured to the control lower band in the processor
The staving is moved to be rotated.
10. a kind of computer-readable recording medium, it is characterised in that be stored with imbalance on the computer-readable recording medium
Detection program, realizes the injustice as any one of claim 1 to 7 when the uneven detection program is executed by processor
The step of detection method that weighs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710402906.XA CN107099972A (en) | 2017-05-31 | 2017-05-31 | Unbalance detection, rotary drum washing machine and the storage medium of rotary drum washing machine |
Applications Claiming Priority (1)
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