CN112709045A - Control method and device of washing machine and washing machine - Google Patents
Control method and device of washing machine and washing machine Download PDFInfo
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- CN112709045A CN112709045A CN201910951067.6A CN201910951067A CN112709045A CN 112709045 A CN112709045 A CN 112709045A CN 201910951067 A CN201910951067 A CN 201910951067A CN 112709045 A CN112709045 A CN 112709045A
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- 238000005406 washing Methods 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000018044 dehydration Effects 0.000 claims abstract description 43
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 43
- 238000004590 computer program Methods 0.000 claims description 11
- 238000009987 spinning Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 208000005156 Dehydration Diseases 0.000 description 37
- 230000008569 process Effects 0.000 description 16
- 238000001514 detection method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 206010030312 On and off phenomenon Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The invention provides a control method and a control device of a washing machine and the washing machine, wherein the method comprises the following steps: controlling an inner barrel of the washing machine to run at a dehydration rotating speed, and judging whether the dehydration rotating speed belongs to a first rotating speed interval; determining that the motor belongs to a first rotating speed interval, and acquiring first power of the motor in the first rotating speed interval; determining an eccentricity of the washing machine according to the first power. According to the technical scheme, the eccentricity can be detected in time without depending on a hardware sensor or a hardware structure, the load does not need to be detected, the method and the device are suitable for various motor driving scenes, the probability of barrel collision of the washing machine is favorably reduced, and the reliability and the service life of the washing machine are further improved.
Description
Technical Field
The present invention relates to the field of washing technologies, and in particular, to a control method of a washing machine, a control device of a washing machine, and a computer-readable storage medium.
Background
When the inner tub driven by the motor is unbalanced in the operation process of the washing machine, the higher the rotating speed of the motor is, the larger the vibration and noise generated by the washing machine are, so that the service life of the washing machine is shortened.
In the related art, the unbalance detection is performed on the inner barrel through the sensor, but the sensor is high in cost and inconvenient to install, so that the detection difficulty is high; or respectively carrying out eccentricity detection on the inner barrel through the rotating speed or torque of the motor at a low-speed or high-speed operation stage, wherein in the low-speed operation stage, dynamic eccentricity detection on the inner barrel cannot be realized because the motor operates at a constant speed according to a fixed rotating speed; the eccentricity detection is performed at a high-speed operation stage, which may cause mechanical parts inside the washing machine to collide, causing damage to the washing machine.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an object of the present invention is to provide a control method of a washing machine.
Another object of the present invention is to provide a control apparatus of a washing machine.
Another object of the present invention is to provide a washing machine.
Another object of the present invention is to provide a computer-readable storage medium.
In an aspect of the first aspect of the present invention, a control method is provided, including: controlling an inner barrel of the washing machine to run at a dehydration rotating speed, and judging whether the dehydration rotating speed belongs to a first rotating speed interval; determining that the motor belongs to a first rotating speed interval, and acquiring first power of the motor in the first rotating speed interval; determining an eccentricity of the washing machine according to the first power.
In the technical scheme, when the inner barrel runs at the dehydration rotating speed, the first power of the motor in the first rotating speed interval is acquired, whether the washing machine has the eccentricity condition or not is determined according to the first power, the eccentricity condition can be timely detected without depending on a hardware sensor or a hardware structure, the load does not need to be detected, the motor driving device is suitable for various motor driving scenes, the probability of barrel collision of the washing machine and the dehydration noise are favorably reduced, and the reliability and the service life of the washing machine are further improved.
As a first possible implementation, determining the eccentricity of the washing machine according to the first power includes: judging whether the first power is greater than or equal to a preset power; and judging that the first power is greater than or equal to the preset power, and determining that the washing machine has eccentricity.
As a second possible implementation manner, the control method further includes: judging whether the dehydration rotating speed belongs to a second rotating speed interval, wherein the rotating speed of the second rotating speed interval is greater than that of the first rotating speed interval; judging that the motor belongs to a second rotating speed interval, and acquiring second power of the motor in the second rotating speed interval; determining an eccentricity of the washing machine according to the first power, comprising: determining the eccentricity of the washing machine according to the first power and the second power.
As a third possible implementation, determining the eccentricity of the washing machine according to the first power and the second power includes: judging whether the first power belongs to a preset power interval or not; judging that the power belongs to a preset power interval, and calculating a power difference value between the second power and the first power; judging whether the power difference value is larger than or equal to a preset difference value or not; and judging that the power difference is greater than or equal to a preset difference, and determining that the washing machine has eccentricity.
As a fourth possible implementation manner, the control method further includes: detecting the eccentric condition of the washing machine, and executing a barrel collision protection operation, wherein the barrel collision protection operation comprises at least one operation of stopping, water inlet, shaking and reducing the dehydration rotating speed.
As a fifth possible implementation manner, before controlling the inner tub of the washing machine to operate at the dehydration rotation speed, the method further includes: judging whether the vibration frequency of the washing machine belongs to a preset frequency range and/or judging whether the washing machine finishes a washing process; and judging that the vibration frequency of the washing machine belongs to a preset frequency range, or judging that the washing machine finishes a washing process, and detecting whether the washing machine has an eccentric condition.
As a sixth possible implementation, the first rotation speed interval has a value ranging from 130rpm to 140rpm, and/or the second rotation speed interval has a value ranging from 140rpm to 250 rpm.
In an embodiment of the second aspect of the present invention, a control device is provided, where the control device includes a memory and a processor, the memory stores a computer program, and the computer program, when executed by the processor, implements the control method defined in any one of the above-mentioned first aspects.
In an aspect of the third aspect of the present invention, there is provided a washing machine including: an inner tub configured to place laundry; a motor configured to control the inner tub to operate at a spinning speed; the control device of a washing machine as defined in the second aspect, wherein the control device is configured to determine the eccentricity of the washing machine according to the power of the motor at the spinning speed.
In an aspect of the fourth aspect of the present invention, a computer-readable storage medium is provided, in which a computer program is stored, and the computer program, when executed, implements the control method defined in any one of the above aspects.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic flow diagram of a control method according to an embodiment of the invention;
FIG. 2 shows a schematic flow diagram of a control method according to another embodiment of the invention;
FIG. 3 shows a schematic flow chart of a control method according to another embodiment of the invention;
FIG. 4 shows a schematic flow chart of a control method according to another embodiment of the invention;
FIG. 5 shows a schematic flow chart of a control method according to another embodiment of the invention;
FIG. 6 shows a speed versus time diagram of a control scheme according to another embodiment of the invention;
FIG. 7 shows a schematic block diagram of a control device according to an embodiment of the invention;
fig. 8 illustrates a schematic block diagram of a washing machine according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a schematic flow diagram of a control method according to an embodiment of the invention.
As shown in fig. 1, a control method according to an embodiment of the present invention includes:
and step S102, controlling the inner barrel of the washing machine to run at a dehydration rotating speed, and judging whether the dehydration rotating speed belongs to a first rotating speed interval.
In order to better detect the eccentricity and the collision of the inner tub of the washing machine in the dehydration stage, the motor controls the inner tub of the washing machine to operate at a dehydration rotation speed in the dehydration stage, wherein the dehydration rotation speed comprises a gradual increase from a low rotation speed interval to a high rotation speed interval. When the inner barrel runs at the dehydration rotating speed, the value of the dehydration rotating speed is detected in real time, and whether the value of the dehydration rotating speed belongs to the first rotating speed interval or not is determined.
Optionally, the washing machine is a pulsator washing machine.
And step S104, determining the motor belongs to a first rotating speed interval, and acquiring first power of the motor in the first rotating speed interval.
When it is determined that the dehydration rotation speed belongs to the first rotation speed section, a first power of a motor controlling rotation of the inner tub within the first rotation speed section is acquired.
Wherein, the first rotation speed interval is 130rpm-140rpm of the inner tub per minute, and the first power can be real-time power or average power of the motor driving process.
Since the time required for the dehydration rotation speed of the inner tub to rise from 130rpm to 140rpm is short, the first power may be a real-time power of the motor during the rising process or an average power during the rising process. Such as: the rise process takes 1 second, and the first power can be calculated as follows: dividing 1 second into 20 according to 50 milliseconds on average, acquiring the power P1 of the motor every 50 milliseconds when the dehydration rotating speed reaches 130rpm, and acquiring the power P1 and P2 … P20 of the 20 motors in the whole rising process; the first power is (P1+ P2+ … + P20)/20.
And step S106, determining the eccentricity condition of the washing machine according to the first power.
After the first power of the motor is obtained, the current eccentricity and tub collision condition of the washing machine are determined according to the obtained first power.
In the technical scheme, as can be known by combining the steps S102, S104 and S106, when the inner tub runs at the dehydration rotation speed, the first power of the motor in the first rotation speed interval is obtained, so as to determine whether the washing machine has the eccentricity condition according to the first power, the eccentricity condition can be timely detected without depending on a hardware sensor or a hardware structure, and the load detection is not needed, so that the washing machine is suitable for various motor driving scenes, and is beneficial to reducing the probability of tub collision of the washing machine and the dehydration noise, and further the reliability and the service life of the washing machine are improved.
Based on the embodiment shown in fig. 1, how to determine the eccentricity of the washing machine according to the first power as a possible implementation may be implemented by the following steps, as shown in fig. 2.
Step S202, determining whether the first power is greater than or equal to a preset power.
Optionally, the preset power is 100 watts. The preset power is a power threshold value which is determined to correspond to the energy of the first rotating speed interval through a plurality of tests.
After the first power of the motor in the first speed interval is determined in step S104, the value of the first power is compared with the preset power.
And step S204, judging that the first power is greater than or equal to the preset power, and determining that the washing machine has eccentricity.
When the first power is determined to be larger than or equal to the preset power, the power of the current motor is determined to be higher, and the washing machine has the eccentric and tub collision conditions.
Step S206, judging that the first power is smaller than the preset power, and continuing to execute the dehydration process.
And when the first power is determined to be smaller than the preset power, determining that the current power of the motor belongs to a normal condition, and continuing to execute the dehydration process when the current washing machine does not have the eccentric and tub collision conditions.
In the technical scheme, whether the washing machine has the eccentricity condition is determined directly according to the magnitude relation between the first power and the corresponding preset power, the eccentricity condition can be detected in time without depending on a hardware sensor or a hardware structure, the load does not need to be detected, the motor driving method is suitable for various motor driving scenes, the probability of barrel collision of the washing machine and the dehydration noise are favorably reduced, and further the reliability and the service life of the washing machine are improved.
It should be added that a certain time interval exists between the initial time of the first rotation speed interval and the initial time of the inner tub dehydration, which aims to reduce the motor fluctuation interference at the initial stage of the dehydration process, so as to improve the reliability of determining the dehydration rotation speed and power.
Based on the embodiment shown in fig. 1, how to determine the eccentricity of the washing machine according to the first power as another possible implementation may be achieved by the following steps, as shown in fig. 3.
Step S302, judging whether the dehydration rotating speed belongs to a second rotating speed interval.
Wherein the rotation speed of the second rotation speed interval is greater than the rotation speed of the first rotation speed interval.
And after the first power of the motor in the first rotating speed interval is obtained, judging whether the dewatering rotating speed of the inner barrel is increased to a second rotating speed interval.
Optionally, the second rotation interval is 140rpm to 250rpm of rotation of the inner tub per minute.
And step S304, judging that the motor belongs to a second rotating speed interval, and acquiring second power of the motor in the second rotating speed interval.
Wherein the second power may be a real-time power or an average power of the motor driving process. For a specific calculation process, reference is made to the calculation process of the first power shown in fig. 1, and details are not described here.
The second power is greater than the first power because the rotation speed of the second rotation speed interval is greater than the rotation speed of the first interval.
And step S306, determining the eccentricity condition of the washing machine according to the first power and the second power.
And determining the eccentricity and tub collision of the washing machine according to the relation between the first power and the second power acquired from the two different rotating speed intervals.
In the technical scheme, after the dehydration rotating speed is determined to belong to the second rotating speed interval, the dehydration rotating speed is usually changed, and the change of the dehydration rotating speed corresponds to the change of the power, so that the eccentricity condition of the washing machine is determined according to the first power and the second power, and the eccentricity condition can be more accurately detected.
Based on the embodiment shown in fig. 3, how to determine the eccentricity of the washing machine according to the first power and the second power as a possible implementation may be implemented by the following steps, as shown in fig. 4.
Step S402, determining whether the first power belongs to a preset power interval.
The maximum value of the preset power interval is the preset power corresponding to the first rotation speed interval shown in fig. 1.
Optionally, the preset power interval is 65 watts to 100 watts.
And after the first power is determined, comparing the first power with a preset power interval, and determining whether the first power belongs to the preset power interval.
Step S404, determining that the power difference belongs to the preset power interval, and calculating a power difference between the second power and the first power.
And when the first power is determined to belong to the preset power interval, calculating a difference value between the obtained second power and the first power to obtain a power difference value.
As a possibility, if the first power is greater than the preset power interval, it is determined that the power of the current motor is higher, and the washing machine has eccentricity and tub collision.
As another possibility, if the first power is smaller than the preset power interval, it is determined that the current power of the motor is in a normal condition, and the current washing machine does not have eccentricity or tub collision, and the dehydration process is continuously performed.
In step S406, it is determined whether the power difference is greater than or equal to a predetermined difference.
Optionally, the preset difference is 15-20 watts. The preset difference is an empirical value obtained after a plurality of tests.
And step S408, judging that the power difference is greater than or equal to the preset difference, and determining that the washing machine has eccentricity.
When the washing machine has eccentricity or tub collision, the power difference between the second power and the first power is increased abnormally, so that whether the washing machine has eccentricity is determined according to the relation between the power difference and the preset difference.
And step S410, detecting the eccentric condition of the washing machine, and executing a barrel collision protection operation.
Wherein, the barrel collision protection operation comprises at least one operation of stopping, water inlet, shaking and dewatering speed reduction.
In the technical scheme, when the eccentric condition of the washing machine is detected, the tub collision protection operation is executed, such as at least one operation of stopping, water inlet, shaking and dewatering rotating speed reduction, so that the tub collision condition caused by the eccentricity is reduced.
The stop operation means that the dewatering process is directly stopped when the eccentric or barrel collision occurs.
The water inlet operation is to inject a certain amount of water into the inner barrel, continue the rinsing process and then dewater again.
The shaking operation means that the dewatering rotating speed is reduced, and the inner barrel is controlled to shake and disperse so that the clothes are uniformly distributed.
These barrel collision protection operations are to reduce the eccentricity of the inner barrel, thereby helping to reduce the probability of barrel collision.
In the technical scheme, the first power is judged to belong to the preset power interval, and in order to further improve the detection efficiency and reliability of the eccentricity condition, the power difference between the second power and the first power is immediately calculated, namely the abnormal increase of the power difference is also caused by the eccentricity condition, so that the overall reliability of the washing machine is further improved.
It should be added that the preset power difference value and the eccentricity degree are also in positive correlation, that is, in the second rotation speed interval, the larger the preset power difference value is, the more the eccentricity degree is, and the barrel collision protection operation needs to be executed within the preset time period for calculating the power difference value between the first power and the second power.
Based on the control method of the washing machine shown in fig. 1-4, before step S102, the method further includes the following two steps:
firstly, judging whether the vibration frequency of the washing machine belongs to a preset frequency range and/or judging whether the washing machine finishes a washing process.
Secondly, if the vibration frequency of the washing machine is determined to be within the preset frequency range, or if the washing machine is determined to complete the washing process, the step S102 is executed.
In the technical scheme, whether the washing machine needs to execute dehydration treatment can be determined by judging whether the vibration frequency of the washing machine belongs to a preset frequency range and/or judging whether the washing machine finishes a washing process, so that the vibration frequency and the end time of the washing process can be used as trigger conditions for detecting the eccentric condition, particularly, when the motor runs at a small dehydration rotating speed, the motor can be determined to have the eccentric condition without any hardware structure or sensor, and then the barrel collision protection operation is executed, so that the barrel collision generated when the motor rotates at a high speed is reduced, and the operation reliability and the noise reduction effect of the washing machine are improved.
As a specific example, fig. 5 shows a schematic flow chart of a control method according to an embodiment of the present invention.
Step S501, after entering the dehydration stage, detecting that the dehydration rotation speed enters 130rpm and before reaching 140rpm as the second stepA detection region S1Calculating the first power P of the motor1。
Step S502, judging the first power P1If 100 watts or more is true, then step S505 is executed, and if not, step S503 is executed.
Step S503, controlling the dewatering speed to rise until the dewatering speed is detected to be more than 140rpm and before reaching 250rpm, and taking the detected speed as a second detection area S2Calculating the second power P of the motor2。
The schematic diagram of the operation time of the washing machine inner tub with the rotating speed is shown in fig. 6.
Step S504, judging that 65 watts is less than or equal to first power P1100 watts or less, and P2-P1If not, step S505 is executed, if yes, and step S506 is executed, if no.
Step S505, it is determined that there is an eccentricity situation, and a barrel crash protection operation is performed.
In step S506, the dehydration process is continued.
Fig. 7 shows a schematic block diagram of a control device according to an embodiment of the invention.
As shown in fig. 7, according to a control apparatus 700 of an embodiment of the present invention, the control apparatus 700 includes a memory 702 and a processor 704, the memory 702 stores a computer program, and the computer program is executed by the processor 704 to implement the control method described in the foregoing method embodiment.
Fig. 8 illustrates a schematic block diagram of a washing machine according to an embodiment of the present invention.
As shown in fig. 8, a washing machine 800 according to an embodiment of the present invention includes: an inner tub 802 configured to place laundry; a motor 804, the motor 804 being configured to control the inner tub to operate at a spinning speed; the control device 700 as defined in any of the above claims, configured to determine the eccentricity of the washing machine 800 from the power of the motor 804 at the spinning speed.
The control device 700 includes at least one of a processor, a controller, a logic computation device and an embedded device, and the control device 700 is connected to a driving control circuit of the motor 804 of the washing machine 800, on one hand, controls the motor 804 to operate, and on the other hand, detects the power and the operating state of the motor 804.
In this technical solution, the washing machine 800 is a pulsator washing machine.
According to a computer-readable storage medium of an embodiment of the present invention, a computer program is stored in the computer-readable storage medium, and the computer program is executed by a processor to implement the control method described in the foregoing method embodiment. The technical scheme of the invention is explained in detail by combining the attached drawings, and the invention provides a control method, a control device, washing equipment and a computer readable storage medium.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means can be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A control method of a washing machine, characterized in that the method comprises:
controlling an inner barrel of the washing machine to operate at a dehydration rotating speed, and judging whether the dehydration rotating speed belongs to a first rotating speed interval;
determining the motor belongs to the first rotating speed interval, and acquiring first power of the motor in the first rotating speed interval;
and determining the eccentricity condition of the washing machine according to the first power.
2. The control method according to claim 1, wherein the determining the eccentricity of the washing machine according to the first power comprises:
judging whether the first power is greater than or equal to a preset power;
and judging that the first power is greater than or equal to the preset power, and determining that the washing machine has eccentricity.
3. The control method according to claim 1, characterized in that the method further comprises:
judging whether the dehydration rotating speed belongs to a second rotating speed interval, wherein the rotating speed of the second rotating speed interval is greater than that of the first rotating speed interval;
judging that the motor belongs to the second rotating speed interval, and acquiring second power of the motor in the second rotating speed interval;
the determining the eccentricity condition of the washing machine according to the first power comprises:
and determining the eccentricity condition of the washing machine according to the first power and the second power.
4. The control method according to claim 3, wherein the determining the eccentricity of the washing machine according to the first power and the second power comprises:
judging whether the first power belongs to a preset power interval or not;
judging that the power belongs to the preset power interval, and calculating a power difference value between the second power and the first power;
judging whether the power difference value is larger than or equal to a preset difference value or not;
and judging that the power difference is greater than or equal to the preset difference, and determining that the washing machine has eccentricity.
5. The control method according to any one of claims 1 to 4, characterized in that the method further comprises:
determining that the washing machine has eccentricity, and executing a tub collision protection operation;
wherein, the barrel collision protection operation comprises at least one operation of stopping, water inlet, shaking and dewatering speed reduction.
6. The control method as claimed in any one of claims 1 to 4, wherein before controlling the inner tub of the washing machine to operate at the spinning speed, further comprising:
judging whether the vibration frequency of the washing machine belongs to a preset frequency range and/or judging whether the washing machine finishes a washing process;
and judging that the vibration frequency of the washing machine belongs to the preset frequency range, or judging that the washing machine completes the washing process, and controlling the inner barrel of the washing machine to operate at the dehydration rotating speed.
7. The control method according to claim 3 or 4,
the numerical range of the first rotating speed interval is 130rpm-140rpm, and the numerical range of the second rotating speed interval is 140rpm-250 rpm.
8. A control apparatus of a washing machine, characterized by comprising:
a memory and a processor, the memory storing a computer program,
the computer program, when executed by the processor, implements a control method of a washing machine as claimed in any one of claims 1 to 7.
9. A washing machine, characterized by comprising:
an inner tub configured to place laundry;
a motor configured to control the inner tub to operate at a spinning speed;
the control device of a washing machine as claimed in claim 8, configured to determine an eccentricity of the washing machine from the power of the motor at the spinning speed.
10. A computer-readable storage medium, comprising:
the computer-readable storage medium has stored therein a computer program which, when executed, implements a control method of a washing machine according to any one of claims 1 to 7.
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| CN114000312A (en) * | 2021-11-05 | 2022-02-01 | 珠海格力电器股份有限公司 | Washing machine eccentricity detection method and device, storage medium and washing machine |
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| CN107190462A (en) * | 2017-05-08 | 2017-09-22 | 无锡飞翎电子有限公司 | Washing machine, washing machine hit barrel detection method and device |
| CN108930127A (en) * | 2017-05-26 | 2018-12-04 | 无锡小天鹅股份有限公司 | Eccentric cognitive method and eccentric sensing device, rotary drum washing machine |
| CN108978116A (en) * | 2017-06-05 | 2018-12-11 | 无锡小天鹅股份有限公司 | Eccentricity detecting control method, system when roller washing machine and its dehydration |
Cited By (1)
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| CN114000312A (en) * | 2021-11-05 | 2022-02-01 | 珠海格力电器股份有限公司 | Washing machine eccentricity detection method and device, storage medium and washing machine |
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