CN117702417A - Control method and control device of washing machine and washing machine - Google Patents
Control method and control device of washing machine and washing machine Download PDFInfo
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- CN117702417A CN117702417A CN202311755612.7A CN202311755612A CN117702417A CN 117702417 A CN117702417 A CN 117702417A CN 202311755612 A CN202311755612 A CN 202311755612A CN 117702417 A CN117702417 A CN 117702417A
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- 238000005406 washing Methods 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 426
- 239000008237 rinsing water Substances 0.000 claims abstract description 89
- 230000009471 action Effects 0.000 claims abstract description 14
- 230000004044 response Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 25
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 22
- 238000004590 computer program Methods 0.000 description 9
- 238000001035 drying Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000013507 mapping Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010412 laundry washing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a control method and a control device of a washing machine and the washing machine, and relates to the technical field of electric appliances. The present invention includes first starting the water inlet valve to feed water to the inner tub in response to the washing start command to reach the set water level. And then controlling a drain valve to drain water under the condition that the set water level is determined to be in a rinsing water level interval, and controlling a motor to drive the inner barrel to rotate so as to carry out dewatering rinsing on clothes. And finally, determining whether the running state of the inner barrel meets the rotation stop condition, controlling the motor to stop rotating under the condition that the running state of the inner barrel meets the rotation stop condition, and closing the drain valve. Therefore, under the action of centrifugal water flow formed by the rotation of the inner barrel, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced by the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
Description
Technical Field
The present invention relates to the field of electrical appliances, and in particular, to a control method and a control device for a washing machine, and a washing machine.
Background
When using the washing machine, a user generally selects an appropriate washing mode according to laundry to be washed. For example, the washing modes may include, but are not limited to, quick wash, large wash, and light wash modes. However, regardless of the washing mode selected by the user, the laundry is rinsed in advance when the laundry is washed. The pulsator in the washing machine is usually used for rotating to drive water to form vortex so as to rinse clothes, however, the scouring force of the vortex formed by the pulsator is usually smaller to the clothes, so that the rinsing effect is poor.
Disclosure of Invention
The present invention has been made in view of the above problems, and provides a control method of a washing machine, a control device, and a washing machine that overcome or at least partially solve the above problems.
Based on a first aspect of the present invention, there is provided a control method of a washing machine, the method comprising:
responding to a washing starting instruction, starting a water inlet valve to feed water so as to enable the water level of the inner barrel to reach a set water level;
under the condition that the set water level is determined to be in a rinsing water level interval, controlling a drain valve to drain water, and controlling a motor to drive the inner barrel to rotate so as to carry out dewatering rinsing on clothes;
Determining whether the operation state of the inner tub satisfies a rotation stop condition;
and in the case that the rotation stop state is satisfied, controlling the motor to stop rotating, and closing the drain valve.
Optionally, the controlling the drain valve to drain water and controlling the motor to drive the inner tub to rotate includes:
and controlling the drain valve to drain water according to a preset drain opening, and controlling the motor to drive the inner barrel to rotate so as to enable water in the inner barrel and water in the outer barrel to form a water level difference to wash clothes.
Optionally, the method further comprises:
controlling a motor to drive the inner barrel to rotate for dewatering rinsing of clothes, and determining the ratio of the current water level height of the inner barrel to the height of the inner barrel in the dewatering rinsing process;
and if the height ratio is smaller than the preset overflow ratio, controlling the water inlet valve to feed water.
Optionally, the determining whether the running state of the inner tub satisfies a rotation stop condition includes:
if a rinsing safety signal is detected, determining that the running state of the inner barrel meets a rotation stopping condition, wherein the rinsing safety signal is triggered when the inner barrel impacts a safety rod;
optionally, the determining whether the running state of the inner tub satisfies a rotation stop condition includes:
And if the current water level is detected to reach the overflow port, determining that the running state of the inner barrel meets the rotation stopping condition.
Optionally, the determining whether the running state of the inner tub satisfies a rotation stop condition includes:
if the rotation time of the inner barrel is detected to reach the preset operation time and the current water level is detected to not reach the overflow port, determining that the operation state of the inner barrel meets the rotation stop condition.
Optionally, the method further comprises:
under the condition that the set water level is not in the rinsing water level interval, if the set water level is lower than the lower limit water level of the rinsing water level interval, starting a water inlet valve to feed water until the current water level is detected to be in the rinsing water level interval, and closing the water inlet valve;
and if the set water level is higher than the upper limit water level of the rinsing water level interval, starting a drain valve to drain water until the current water level is detected to be in the rinsing water level interval.
Optionally, after the closing of the drain valve, the method further includes:
determining a preset rinsing time length according to the washing starting instruction;
and if the current rinsing time is less than the preset rinsing time, starting the water inlet valve to feed water so that the water level of the inner barrel reaches the set water level and carrying out dewatering rinsing again.
Optionally, after the closing of the drain valve, the method further includes:
determining a preset rinsing time length according to the washing starting instruction;
and if the current rinsing time is less than the preset rinsing time, starting the water inlet valve to feed water so that the water level of the inner barrel reaches the set water level and carrying out traveling wheel rinsing.
Based on a second aspect of the present invention, there is also provided a control device of a washing machine, the control device comprising:
the instruction response module is used for responding to the washing starting instruction and starting the water inlet valve to feed water so as to enable the water level of the inner barrel to reach the set water level;
the dewatering and rinsing module is used for controlling a drain valve to drain water and controlling a motor to drive the inner barrel to rotate so as to perform dewatering and rinsing on clothes under the condition that the set water level is determined to be in a rinsing water level interval;
a state determining module for determining whether the operation state of the inner tub satisfies a rotation stop condition;
and the action control module is used for controlling the motor to stop rotating and closing the drain valve under the condition that the rotation stop state is met.
Based on a third aspect of the present invention, there is also provided a washing machine comprising the control device of the above summary.
Compared with the prior art, the invention comprises the steps of firstly responding to a washing starting instruction, starting the water inlet valve to feed water so as to enable the water level of the inner barrel to reach the set water level. And then controlling a drain valve to drain water under the condition that the set water level is determined to be in a rinsing water level interval, and controlling a motor to drive the inner barrel to rotate so as to carry out dewatering rinsing on clothes. And finally, determining whether the running state of the inner barrel meets the rotation stop condition, controlling the motor to stop rotating under the condition that the running state of the inner barrel meets the rotation stop condition, and closing the drain valve. Therefore, under the action of centrifugal water flow formed by the rotation of the inner barrel, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced by the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures.
In the drawings:
fig. 1 is a schematic diagram of an electrical connection structure of a controller according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of steps of a control method of a washing machine according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating steps of another control method of a washing machine according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of steps of a control device of a washing machine according to an embodiment of the present invention;
reference numerals: 1. a motor; 2. a controller; 3. a water inlet valve; 4. and (3) a drainage valve.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The following embodiments of the invention are applied to a pulsator washing machine including an outer tub (tub), an inner tub (dehydration tub or washing tub) embedded in the outer tub, and a motor 1. The inner barrel is used for placing clothes and is coaxially arranged with the outer barrel, an output shaft of the motor 1 is coaxially fixed with the inner barrel, and the motor 1 works to drive the inner barrel to rotate. The bottom of the inner barrel is provided with a disc-shaped impeller, and the impeller is provided with convex ribs. In the clothes rinsing process in the prior art, vortex which is timely right-handed and timely left-handed is formed under the condition that the impeller rotates and the inner barrel does not rotate, clothes are driven to rotate and roll along with the vortex, and therefore dirt of the clothes is removed.
Referring to fig. 1, the washing machine may further include a controller 2, a water inlet valve 3, and a water outlet valve, and the motor 1, the water inlet valve 3, and the water outlet valve may be electrically connected with the controller 2, respectively. Thereby, the motor 1, the water inlet valve 3 and the water outlet valve can be controlled to work by the controller 2. The following method embodiments are applied to the controller 2, wherein the control method disclosed herein may include first starting a water inlet valve to inlet water in response to a wash start command, so that the water level of the inner tub reaches a set water level. And then controlling a drain valve to drain water under the condition that the set water level is determined to be in a rinsing water level interval, and controlling a motor to drive the inner barrel to rotate so as to carry out dewatering rinsing on clothes. And finally, determining whether the running state of the inner barrel meets the rotation stop condition, controlling the motor to stop rotating under the condition that the running state of the inner barrel meets the rotation stop condition, and closing the drain valve. Therefore, under the action of centrifugal water flow formed by the rotation of the inner barrel, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced by the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
Referring to fig. 2, a flowchart illustrating steps of a control method of a washing machine according to an embodiment of the present invention may include:
s201, responding to a washing start instruction, starting a water inlet valve to feed water so as to enable the water level of the inner barrel to reach a set water level.
In the embodiment of the invention, a washing start instruction is obtained in response to the edit operation of a start control (or a start switch) on the washing machine by a user, and the washing start instruction is used for starting a washing program. The set water level may be understood as a water level set at the time of laundry washing, which may be set by a user, or may be determined by matching based on the weight of laundry in the inner tub.
In one example, after the washing start instruction is acquired, whether the user edits the water level control (or the water level adjusting switch) on the washing machine is detected, and if the user edits the water level control on the washing machine is detected, the set water level set by the user is acquired.
In another example, in case that a washing start instruction is acquired and an edit operation of the water level control (or the water level adjustment switch) by a user is not detected, the corresponding set water level is matched by the laundry weight located in the inner tub.
In still another example, when the washing start instruction is obtained and the editing operation of the water level control by the user is not detected, the corresponding set water level may be matched based on the set washing mode selected by the user. The person skilled in the art can choose any one of the above or combination thereof to determine the set water level according to the actual design requirements. For example, the set washing mode may include, but is not limited to, a quick wash, a large wash, etc.
Thus, when the corresponding set water level is determined, the water inlet valve 3 is started, so that the water inlet valve 3 is in an opened state, and water is replenished into the inner barrel, so that the water level in the inner barrel reaches (is greater than or equal to) the set water level.
And S202, controlling a drain valve to drain water and controlling a motor to drive the inner barrel to rotate to carry out dewatering rinsing on clothes under the condition that the set water level is determined to be in a rinsing water level interval.
In the embodiment of the invention, the rinsing water level interval refers to a water level range preset for performing dewatering rinsing on clothes. It is used for guaranteeing that the rinsing effect of clothing is better. The obtained set water level and the rinsing water level interval can be compared to determine whether the set water level is in the rinsing water level interval. In the case that the set water level is determined to be in the rinsing water level interval, it is determined that the current water level is suitable for the spin-rinsing, thereby controlling the drain valve 4 to drain water. At this time, the drain valve 4 is opened, and the water inlet valve 3 is closed. And controls the motor 1 to rotate so that the inner tub can be driven to rotate for spin-drying rinsing of the laundry. Under the action of centrifugal force formed by the rotation of the inner barrel to water flow, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced through the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
In the embodiment of the invention, in order to ensure the dewatering and rinsing effects of clothes, the drain valve needs to be adjusted to a preset drain opening in the process of controlling the drain valve to drain water. The preset drain opening degree can be understood as a valve opening degree for ensuring that the clothes are fully soaked in water. Therefore, the water in the inner barrel can be prevented from being rapidly emptied, and the rinsing effect is prevented from being influenced. For example, the preset drain opening may be 4%, 5%, 6%, etc.
S203, determining whether the running state of the inner barrel meets a rotation stop condition.
And S204, controlling the motor to stop rotating and closing the drain valve when the rotation stop state is met.
In the embodiment of the present invention, the rotation stop condition may be understood as a trigger condition for stopping the operation of the motor 1 during the spin-rinsing process. The rotation stop condition may be preset according to an operation state of the inner tub. The rotation stopping condition may be determined based on the rotation amplitude, the rotation duration, the water level and other parameter information of the inner tub. In case that it is determined that the operation state of the inner tub satisfies the rotation stop state, that is, the motor 1 is controlled to stop rotating, and the drain valve 4 is closed, thereby completing one spin-rinsing of the laundry.
In summary, an embodiment of the present invention discloses a control method of a washing machine, which may include first starting a water inlet valve 3 to inlet water in response to a washing start command so that a water level of an inner tub reaches a set water level. Then, in case that the set water level is determined to be in the rinsing water level interval, the drain valve 4 is controlled to drain water, and the motor 1 is controlled to drive the inner tub to rotate for dehydrating rinsing of the laundry. Finally, whether the running state of the inner tub satisfies a rotation stop condition is determined, and in case the rotation stop condition is satisfied, the motor 1 is controlled to stop rotating, and the drain valve 4 is closed. Therefore, under the action of centrifugal water flow formed by the rotation of the inner barrel, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced by the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
Referring to fig. 3, a flowchart illustrating steps of another control method of a washing machine according to an embodiment of the present invention may include:
s301, responding to a washing start instruction, starting a water inlet valve to feed water so as to enable the water level of the inner barrel to reach a set water level.
In the embodiment of the invention, a washing start instruction is obtained in response to the edit operation of a start control (or a start switch) on the washing machine by a user, and the washing start instruction is used for starting a washing program. The set water level may be understood as a water level set at the time of washing laundry, and the set water level may be set by a user or may be determined by matching based on the weight of laundry in the inner tub.
In one example, after the washing start instruction is acquired, whether the user edits the water level control (or the water level adjusting switch) on the washing machine is detected, and if the user edits the water level control on the washing machine is detected, the set water level set by the user is acquired.
In another example, in case that a washing start instruction is acquired and an edit operation of the water level control (or the water level adjustment switch) by a user is not detected, the corresponding set water level is matched by the laundry weight located in the inner tub.
In still another example, when the washing start instruction is obtained and the editing operation of the water level control by the user is not detected, the corresponding set water level may be matched based on the set washing mode selected by the user. The person skilled in the art can choose any one of the above or combination thereof to determine the set water level according to the actual design requirements. For example, the set washing mode may include, but is not limited to, a quick wash, a large wash, etc. Thus, when the corresponding set water level is determined, the water inlet valve 3 is started, so that the water inlet valve 3 is in an opened state, and water is replenished into the inner barrel, so that the water level in the inner barrel reaches (is greater than or equal to) the set water level.
S302, determining whether the set water level is in a rinsing water level interval.
In the embodiment of the invention, the rinsing water level interval refers to a water level range preset for performing dewatering rinsing on clothes, and the rinsing water level interval is used for ensuring a good rinsing effect on the clothes. The corresponding rinsing water level interval can be determined by a person skilled in the art according to the actual operation condition of the washing machine. For example, at the water level corresponding to the rinsing water level interval, centrifugal water flow formed by rotating the inner barrel at a higher rotating speed has good washing effect on clothes, and overflow risk does not occur. For example, the rinsing water level interval may be 35-40L, 40-45L, etc., and is not excessively limited herein.
In case it is determined that the set water level is not in the rinsing water level interval, the following step S303 is performed; in case that it is determined that the set water level is in the rinsing water level interval, the following step S306 is performed.
In an alternative embodiment of the invention, the user usually determines a set washing water level with a low water level to perform the laundry washing in consideration of less laundry in the tub, thereby achieving the purpose of saving water. Thus, a plurality of corresponding rinse water level sections may be provided for different set wash water levels. For example, the rinsing water level section may include a first rinsing water level section, a second rinsing water level section. Alternatively, the rinsing water level section may include a first rinsing water level section, a second rinsing water level section, a third rinsing water level section, and the like. Thus, when the number of the rinse water level sections is at least two, and when the set water level is at any one of the rinse water level sections, it is determined that the set water level is at the rinse water level section. And under the condition that the set water level is not in all rinsing water level intervals, determining that the set water level is not in the rinsing water level intervals.
For example, the first rinsing water level interval may be 35-40L, the second rinsing water level interval may be 50-55L, and so on. And if the set water level is 44L, determining that the set water level is not in a rinsing water level interval. And if the set water level is 40L, determining that the set water level is in a rinsing water level interval.
S303, determining whether the set water level is lower than the lower limit water level of the rinsing water level interval.
In the embodiment of the invention, if the set water level is lower than the rinsing water level interval, the rinsing effect of the current barrel underwear can be possibly affected, namely, in the dehydration rinsing process, the water quantity in the barrel is possibly less, the clothes are more, and the dehydration rinsing effect is not ideal; if the set water level is higher than the rinsing water level interval, water flow generated when the motor 1 rotates may overflow the body or overflow from the overflow port during the spin-drying rinsing, thereby affecting the operation stability of the washing machine. Thus, in the case that it is determined that the set water level is not in the rinsing water level section, it is further determined whether the set water level is lower than the lower limit water level of the rinsing water level section or higher than the upper limit water level of the rinsing water level section. If the set water level is lower than the lower limit water level of the rinsing water level interval, executing the following step S304; if the set water level is higher than the upper limit water level of the rinsing water level section, the following step S305 is performed.
In some embodiments, if the number of the rinsing water level sections is at least two, a rinsing water level section having the smallest water level difference from the set water level is predetermined, and it is determined whether the set water level is lower than a lower limit water level of the rinsing water level section. As is apparent from the above description, if the set water level is 44L, it is determined that the set water level is not in the rinsing water level zone, and at this time, the lower limit water level corresponding to the second rinsing water level zone is 50L, the water level difference between the second rinsing water level zone and the set water level is 6L, the upper limit water level corresponding to the first rinsing water level zone is 40L, and the water level difference between the first rinsing water level zone and the set water level is 4L. Therefore, the water level difference value between the set water level and the first rinsing water level interval is minimum. At this time, it is determined whether the set water level is lower than a lower limit water level of the first rinsing water level section.
S304, starting a water inlet valve to feed water until the current water level is detected to be in a rinsing water level interval, and closing the water inlet valve.
In the embodiment of the invention, when the set water level is lower than the lower limit water level of the rinsing water level interval, the water inlet valve 3 of the washing machine can be started, so that the water inlet valve 3 is turned into an open state, and water is added into the inner barrel, and at the moment, the water inlet valve 3 is in an open state, and the water outlet valve 4 is in a closed state. And closing the water inlet valve 3 until the current water level is detected to be in the rinsing water level interval.
S305, starting a drain valve to drain until the current water level is detected to be in a rinsing water level interval.
In the embodiment of the invention, when the set water level is higher than the upper limit water level of the rinsing water level interval, in the process that the motor 1 drives the inner barrel to rotate at a high speed to perform dewatering rinsing, water flow between the inner barrel and the outer barrel overflows through the overflow port under the action of centrifugal force or overflows to the outside of the machine body. Thereby, the drain valve 4 can be started to drain, i.e., the drain valve 4 is controlled to be in an open state, and the water inlet valve 3 is controlled to be in a closed state.
S306, controlling the drain valve to drain water, and controlling the motor to drive the inner barrel to rotate so as to carry out dewatering rinsing on clothes.
In the embodiment of the invention, the drain valve 4 is controlled to drain under the condition that the current water level reaches the rinsing water level interval. If the drain valve 4 is in the closed state before, the drain valve 4 is switched to the open state, and at this time, the water inlet valve 3 is in the closed state, and if the drain valve 4 is in the open state before, the drain valve 4 is kept in the open state, and the water inlet valve 3 is in the closed state. And simultaneously, the motor 1 is controlled to act to drive the inner barrel to rotate, so that the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced through the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes from the inner barrel to the outer barrel.
In the embodiment of the invention, in order to ensure the dewatering and rinsing effects of clothes, the drain valve needs to be adjusted to a preset drain opening in the process of controlling the drain valve to drain water. The preset drain opening degree can be understood as a valve opening degree for ensuring that the clothes are fully soaked in water. Therefore, the water in the inner barrel can be prevented from being rapidly emptied, and the rinsing effect is prevented from being influenced. For example, the preset drain opening may be 4%, 5%, 6%, etc.
In an alternative embodiment of the invention, the rotational speed of the motor 1 may also be controlled during the spin-rinse. For example, the motor 1 may be subjected to a variable speed control in accordance with the current water level during the spin-rinsing. For example, the first predetermined water level is close to the overflow gap and lower than the overflow gap. For example, the set height of the first preset water level is lower than the set height of the overflow port by 10cm. The first preset water level may be determined by a person skilled in the art according to the experimental result. The first preset water level is a water level corresponding to centrifugal water flow formed by rotation of the motor 1, and the water level is higher than an upper limit water level corresponding to the rinsing water level interval.
So that the speed-up adjustment of the motor 1 is continued in case the current water level is lower than the first preset water level. Until the current water level is detected to reach a first preset water level, the current rotating speed of the motor 1 is maintained. Therefore, the motor 1 can enable the inner barrel to dehydrate with water at a high rotating speed during rinsing, the maximum water flow speed is achieved to wash clothes, the rinsing effect of the clothes is enhanced, and the conditions that water flows overflow from an overflow port or overflow from a machine body and the like are avoided due to the fact that the rotating speed is too high.
In the case where the number of the rinsing water level sections is at least two, the number of preset water levels referred to for performing the speed change control on the motor 1 may also be adapted to the number of the rinsing water level sections. For example, the first preset water level may be associated with a first rinsing water level interval, and the second preset water level may be associated with a second rinsing water level interval. And the preset water level is in a proportional relation with a water level range corresponding to the rinsing water level interval. That is, when the first preset water level is greater than the second preset water level, the corresponding water level range of the corresponding first rinsing water level interval is greater than the water level range of the second rinsing water level interval. For example, the second preset water level may be lower than the first preset water level by 10cm.
Based on this logic, a person skilled in the art may determine the first preset water level and the second preset water level according to the actual operating condition. Or the first preset water level, the second preset water level, the third preset water level and the like can be determined according to the actual operation condition, and the method is not excessively limited. Thus, when the current water level is lower than the corresponding preset water level, the speed-up adjustment of the motor 1 is continued. Until the current water level is detected to reach the corresponding preset water level, and the current rotating speed of the motor 1 is maintained. Therefore, under the condition that the water quantity in the barrel is close to the set water level, the motor 1 can enable the inner barrel to dehydrate with water at a high rotating speed during rinsing, so that the maximum water flow speed is achieved to wash clothes, the rinsing effect of the clothes is enhanced, and meanwhile, the condition that the rotating speed is too high, a rinsing safety signal is triggered, or water flows overflow from an overflow port or overflows from a machine body is avoided.
S307, determining the ratio of the current water level height of the inner barrel to the height of the inner barrel in the process of dewatering rinsing.
And S308, controlling the water inlet valve to inlet water if the height ratio is smaller than a preset overflow ratio.
In the embodiment of the invention, the height ratio between the current water level height in the barrel and the height of the inner barrel can be detected in the dewatering rinsing process. The preset overflow ratio can be understood as a critical ratio of overflow occurring when the inner barrel rotates. The preset overflow ratio is used for evaluating whether overflow risks exist or not. The person skilled in the art can comprehensively select the corresponding preset overflow ratio according to the rotation speed of the motor 1, the quantity of clothes, the water level height and the like during the dewatering rinsing, and the corresponding preset overflow ratio is not excessively limited. For example, the predetermined overflow ratio may be three quarters, seven eighths, etc.
If the height ratio is smaller than the preset overflow ratio, determining that the current water level is not at overflow risk (namely, water in the barrel cannot overflow from the overflow port) in the inner barrel rotating process. Thereby, the water inlet valve 3 can be controlled to inlet water. At this time, the water intake valve 3 is in an open state, and the water discharge valve 4 is also in an open state. Therefore, water can be continuously supplemented in the process of dewatering and rinsing, and the washing time in the process of repeated dewatering and rinsing can be reduced. In some embodiments, when the water inlet valve 3 is controlled to inlet water, the water inlet valve 3 may be controlled to inlet water according to a preset water inlet opening, and the setting of the preset water inlet opening may ensure slow replenishment of water in the inner tub, so as to increase the soaking and dirt cleaning effects of the clothes. Meanwhile, the problem that overflow occurs when the water level in the barrel increases too fast can be avoided. For example, the preset water inlet opening may be 4%, 5%, 6%, etc.
And if the height ratio is greater than or equal to a preset overflow ratio. It is determined that the current water level is at risk of overflow during the rotation of the inner tub. In this case, it is necessary to secure the water inlet valve 3 in the closed state while securing the water discharge valve 4 in the open state.
S309, determining whether the running state of the inner tub satisfies a rotation stop condition.
In the embodiment of the present invention, the rotation stop condition may be understood as a trigger condition for stopping the operation of the motor 1 during the spin-rinsing process. Which may be preset according to the operation state of the inner tub. The rotation stopping condition may be determined based on the rotation amplitude, the rotation duration, the water level and other parameter information of the inner tub.
In an alternative embodiment of the invention, the step S309 may further include the following substeps: and if the rinsing safety signal is detected, determining that the running state of the inner barrel meets the rotation stopping condition.
In the embodiment of the invention, in the process of dewatering rinsing, whether a rinsing safety signal is detected is determined, wherein the rinsing safety signal is triggered when the inner barrel impacts a safety rod. Wherein, the safety switch is installed on the safety lever, and it can avoid the rotation range is too big when interior bucket dehydration rinsing, striking the flourishing cask takes place the displacement. Therefore, if the rinsing safety signal transmitted by the safety switch is detected, the running state of the inner barrel is determined to meet the rotation stop condition.
In another alternative embodiment of the present invention, the step S309 may further include the following substeps: and if the current water level is detected to reach the overflow port, determining that the running state of the inner barrel meets the rotation stopping condition.
In the embodiment of the invention, in the process of dewatering and rinsing, whether the current water level reaches the overflow port is detected. And if the current water level is detected to reach the overflow port, determining that the running state of the inner barrel meets the rotation stopping condition.
In yet another alternative embodiment of the present invention, the step S309 may further include the following substeps: if the rotation time of the inner barrel is detected to reach the preset operation time and the current water level is detected to not reach the overflow port, determining that the operation state of the inner barrel meets the rotation stop condition.
In the embodiment of the invention, in the process of dewatering and rinsing, the rotation duration of the inner barrel can be detected, and whether the current water level reaches the overflow port can be detected. If the rotation time of the inner barrel is detected to reach the preset operation time and the current water level is detected to not reach the overflow port, determining that the operation state of the inner barrel meets the rotation stop condition.
And S310, controlling the motor to stop rotating and closing the drain valve when the rotation stop state is met.
In the embodiment of the invention, under the condition that the running state of the inner barrel is determined to meet the rotation stop state, namely, the motor 1 is controlled to stop rotating, and the drain valve 4 is closed, at the moment, the drain valve 4 is in the closed state, and the water inlet valve 3 is also in the closed state, so that one-time dewatering rinsing of clothes is completed.
If the running state of the inner tub is determined to meet the rotation stop condition by detecting the rinsing safety signal, a basic rinsing mode of driving the water flow by the pulsator rotation may be entered after the drain valve 4 is closed in order to ensure the stable running of the washing program. That is, the water inlet valve 3 is opened, and at this time, the water outlet valve 4 is in a closed state, the water inlet valve 3 is in an open state, the water level in the drum is supplemented to a set water level, and then the water inlet valve 3 is closed, so that the pulsator rotates to drive water flow to wash clothes.
In some alternative embodiments of the invention, after performing step S310, the method may further include: and determining a preset rinsing time period according to the washing starting instruction. And if the current rinsing time is smaller than the preset rinsing time, starting the water inlet valve 3 to feed water so as to enable the water level of the inner barrel to reach the set water level and re-carrying out dehydration rinsing.
In the embodiment of the invention, the preset rinsing time period refers to rinsing time periods set for different set washing modes, the set washing modes are different, and the corresponding preset rinsing time periods are different. The set washing mode and the preset rinsing time period can be preset to form a rinsing mapping relation, and the washing starting instruction comprises the set washing mode, so that the corresponding preset rinsing time period can be determined by adopting the current set washing mode to match the rinsing mapping relation.
Detecting the current rinsing time period in the rinsing process of the clothes, if the current rinsing time period is smaller than the preset rinsing time period, starting the water inlet valve 3 to feed water so that the water level of the inner barrel reaches the set water level and carrying out dewatering rinsing again, and repeating the steps of the method described in the steps S301-S310 if the current rinsing time period is smaller than the preset rinsing time period. And determining that the rinsing stage of the clothes is finished until the current rinsing time is equal to or longer than the preset rinsing time.
In an alternative embodiment of the present invention, in the case where the number of the rinsing water level intervals is at least two, in the course of repeatedly performing the spin-drying rinsing after the first performing of the spin-drying rinsing, the rinsing water level interval corresponding to the spin-drying rinsing may be sequentially lowered, for example, in the case where the number of rinsing times corresponding to the rapid washing is 2, the rinsing water level interval corresponding to the first spin-drying rinsing is higher than the rinsing water level interval corresponding to the second spin-drying rinsing. Namely, the lower limit water level of the rinsing water level interval corresponding to the first dewatering rinsing is higher than the upper limit water level of the rinsing water level interval corresponding to the second dewatering rinsing. Thus, during the spin rinse, the rotational speed adjustment of the motor may be: the motor rotation speed corresponding to the first dewatering rinsing is smaller than the motor rotation speed corresponding to the second dewatering rinsing. Therefore, under the condition of saving water, the washing force of the rotary water flow to the clothes can be ensured by increasing the rotating speed of the motor, and the rinsing effect of the clothes can be greatly improved.
In other alternative embodiments of the present invention, after performing step S310, the method may further include: and determining a preset rinsing time period according to the washing starting instruction. And if the current rinsing time is smaller than the preset rinsing time, starting the water inlet valve 3 to feed water so that the water level of the inner barrel reaches the set water level and carrying out traveling wheel rinsing.
In the embodiment of the invention, the preset rinsing time period refers to rinsing time periods set for different set washing modes, the set washing modes are different, and the corresponding preset rinsing time periods are different. The set washing mode and the preset rinsing time period can be preset to form a rinsing mapping relation, and the washing starting instruction comprises the set washing mode, so that the corresponding preset rinsing time period can be determined by adopting the current set washing mode to match the rinsing mapping relation.
Detecting the current rinsing time period in the rinsing process of clothes, and if the current rinsing time period is smaller than the preset rinsing time period, starting the water inlet valve 3 to feed water so that the water level of the inner barrel reaches the set water level and carrying out traveling wave wheel rinsing. That is, the pulsator rotates to drive water to wash the clothes in the bucket for basic rinsing. After the primary pulsator rinsing is finished, if the current rinsing duration is still smaller than the preset rinsing duration, the method steps of S301 to S310 may be repeatedly performed.
So that the pulsator rinsing (normal) and the spin rinsing can be alternately performed until the current rinsing time period is equal to or greater than the preset rinsing time period, and the rinsing stage of the laundry is determined to be completed.
In summary, the present invention provides a control method of a washing machine, which includes starting a water inlet valve 3 to inlet water in response to a washing start command, so that a water level of an inner tub reaches a set water level. Then, in case that the set water level is determined to be in the rinsing water level interval, the drain valve 4 is controlled to drain water, and the motor 1 is controlled to drive the inner tub to rotate for dehydrating rinsing of the laundry. Finally, whether the running state of the inner tub satisfies a rotation stop condition is determined, and in case the rotation stop condition is satisfied, the motor 1 is controlled to stop rotating, and the drain valve 4 is closed. Therefore, under the action of centrifugal water flow formed by the rotation of the inner barrel, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced by the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
It should be noted that, for simplicity of description, the method embodiments are shown as a series of acts, but it should be understood by those skilled in the art that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently in accordance with the embodiments. Further, those skilled in the art will appreciate that the embodiments described in the specification are all preferred embodiments and that the acts referred to are not necessarily required by the embodiments of the present application.
Referring to fig. 4, there is shown a control device of a washing machine according to an embodiment of the present invention, which may include:
the instruction response module 401 is configured to respond to a washing start instruction, and start the water inlet valve 3 to inlet water, so that the water level of the inner tub reaches the set water level.
And a spin-rinsing module 402 for controlling the drain valve 4 to drain water and controlling the motor 1 to drive the inner tub to rotate to spin-rinse the laundry in case that the set water level is determined to be in the rinse water level interval.
A state determining module 403, configured to determine whether the operation state of the inner tub satisfies a rotation stop condition.
And an action control module 404 for controlling the motor 1 to stop rotating and closing the drain valve 4 when the rotation stop state is satisfied.
In an alternative embodiment of the invention, the state determining module 403 may be further configured to:
and if the rinsing safety signal is detected, determining that the running state of the inner barrel meets a rotation stopping condition, wherein the rinsing safety signal is triggered when the inner barrel impacts a safety rod.
In an alternative embodiment of the invention, the state determining module 403 may be further configured to:
and if the current water level is detected to reach the overflow port, determining that the running state of the inner barrel meets the rotation stopping condition.
In an alternative embodiment of the invention, the state determining module 403 may be further configured to:
if the rotation time of the inner barrel is detected to reach the preset operation time and the current water level is detected to not reach the overflow port, determining that the operation state of the inner barrel meets the rotation stop condition.
An alternative inventive embodiment, the apparatus may further comprise:
and the water inlet valve 3 control module is used for starting the water inlet valve 3 to feed water until the current water level is detected to be in the rinsing water level interval and closing the water inlet valve 3 if the set water level is determined not to be in the rinsing water level interval and is lower than the lower limit water level of the rinsing water level interval.
And the control module of the water inlet valve 3 is also used for starting the water outlet valve 4 to discharge water if the set water level is higher than the upper limit water level of the rinsing water level interval until the current water level is detected to be in the rinsing water level interval.
In an alternative embodiment of the invention, the dehydration rinse module 402 may also be used to:
the motor 1 is controlled to drive the inner tub to rotate for the spin-drying rinsing of the laundry, and a height ratio of the current water level of the inner tub to the inner tub height is determined during the spin-drying rinsing.
And if the height ratio is smaller than the preset overflow ratio, controlling the water inlet valve 3 to feed water.
An alternative inventive embodiment, the apparatus may further comprise:
and the rinsing time length acquisition module is used for determining a preset rinsing time length according to the washing start instruction.
And the rinsing updating module is used for starting the water inlet valve 3 to feed water if the current rinsing time is smaller than the preset rinsing time so as to enable the water level of the inner barrel to reach the set water level and re-perform the dewatering rinsing.
In an alternative embodiment of the invention, the rinse time length obtaining module is configured to determine a preset rinse time length according to the washing start instruction.
And the rinsing updating module is further used for starting the water inlet valve 3 to feed water if the current rinsing time is smaller than the preset rinsing time so as to enable the water level of the inner barrel to reach the set water level and carry out traveling wheel rinsing.
The embodiment of the invention also discloses a washing machine which can comprise the control device according to any one of the embodiment of the invention.
In summary, the control method and device for a washing machine, and the washing machine provided by the embodiments of the present invention, the control method may include starting the water inlet valve 3 to inlet water in response to a washing start command, so that the water level of the inner tub reaches a set water level. Then, in case that the set water level is determined to be in the rinsing water level interval, the drain valve 4 is controlled to drain water, and the motor 1 is controlled to drive the inner tub to rotate for dehydrating rinsing of the laundry. Finally, whether the running state of the inner tub satisfies a rotation stop condition is determined, and in case the rotation stop condition is satisfied, the motor 1 is controlled to stop rotating, and the drain valve 4 is closed. Therefore, under the action of centrifugal water flow formed by the rotation of the inner barrel, the water level in the inner barrel is reduced, and the water level of the outer barrel is continuously increased, so that the rinsing effect of clothes is enhanced by the water level difference of the inner barrel and the outer barrel and the rinsing mode of washing the clothes by the rotation from the inner barrel to the outer barrel.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
As will be readily appreciated by those skilled in the art: any combination of the above embodiments is possible, and thus is an embodiment of the present invention, but the present specification is not limited by the text.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be construed as reflecting the intention that: i.e., the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Any combination of all features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
An electronic device, comprising:
one or more processors;
a memory;
one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the methods described in the above embodiments.
A computer readable storage medium storing a computer program for use in connection with an electronic device, the computer program being executable by a processor to perform the method of the above embodiments.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
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. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The above description of the control method of the washing machine, the control device of the washing machine and the washing machine provided by the invention applies specific examples to illustrate the principle and the implementation of the invention, and the above examples are only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (11)
1. A control method of a washing machine, the method comprising:
responding to a washing starting instruction, starting a water inlet valve to feed water so as to enable the water level of the inner barrel to reach a set water level;
under the condition that the set water level is determined to be in a rinsing water level interval, controlling a drain valve to drain water, and controlling a motor to drive the inner barrel to rotate so as to carry out dewatering rinsing on clothes;
determining whether the operation state of the inner tub satisfies a rotation stop condition;
and in the case that the rotation stop state is satisfied, controlling the motor to stop rotating, and closing the drain valve.
2. The control method of the washing machine as claimed in claim 1, wherein the controlling the drain valve to drain water and the controlling the motor to drive the inner tub to rotate comprises:
and controlling the drain valve to drain water according to a preset drain opening, and controlling the motor to drive the inner barrel to rotate so as to enable water in the inner barrel and water in the outer barrel to form a water level difference to wash clothes.
3. A control method of a washing machine according to claim 2, characterized in that the method further comprises:
controlling a motor to drive the inner barrel to rotate for dewatering rinsing of clothes, and determining the ratio of the current water level height of the inner barrel to the height of the inner barrel in the dewatering rinsing process;
And if the height ratio is smaller than the preset overflow ratio, controlling the water inlet valve to feed water.
4. The control method of the washing machine as claimed in claim 1, wherein the determining whether the operation state of the inner tub satisfies a rotation stop condition comprises:
and if the rinsing safety signal is detected, determining that the running state of the inner barrel meets a rotation stopping condition, wherein the rinsing safety signal is triggered when the inner barrel impacts a safety rod.
5. The control method of the washing machine as claimed in claim 1, wherein the determining whether the operation state of the inner tub satisfies a rotation stop condition comprises:
and if the current water level is detected to reach the overflow port, determining that the running state of the inner barrel meets the rotation stopping condition.
6. The control method of the washing machine as claimed in claim 1, wherein the determining whether the operation state of the inner tub satisfies a rotation stop condition comprises:
if the rotation time of the inner barrel is detected to reach the preset operation time and the current water level is detected to not reach the overflow port, determining that the operation state of the inner barrel meets the rotation stop condition.
7. The control method of a washing machine according to claim 1, further comprising:
Under the condition that the set water level is not in the rinsing water level interval, if the set water level is lower than the lower limit water level of the rinsing water level interval, starting a water inlet valve to feed water until the current water level is detected to be in the rinsing water level interval, and closing the water inlet valve;
and if the set water level is higher than the upper limit water level of the rinsing water level interval, starting a drain valve to drain water until the current water level is detected to be in the rinsing water level interval.
8. The control method of a washing machine according to claim 1, wherein after the drain valve is closed, the method further comprises:
determining a preset rinsing time length according to the washing starting instruction;
and if the current rinsing time is less than the preset rinsing time, starting the water inlet valve to feed water so that the water level of the inner barrel reaches the set water level and carrying out dewatering rinsing again.
9. The control method of a washing machine according to claim 1, wherein after the drain valve is closed, the method further comprises:
determining a preset rinsing time length according to the washing starting instruction;
and if the current rinsing time is less than the preset rinsing time, starting the water inlet valve to feed water so that the water level of the inner barrel reaches the set water level and carrying out traveling wheel rinsing.
10. A control device of a washing machine, the device comprising:
the instruction response module is used for responding to the washing starting instruction and starting the water inlet valve to feed water so as to enable the water level of the inner barrel to reach the set water level;
the dewatering and rinsing module is used for controlling a drain valve to drain water and controlling a motor to drive the inner barrel to rotate so as to perform dewatering and rinsing on clothes under the condition that the set water level is determined to be in a rinsing water level interval;
a state determining module for determining whether the operation state of the inner tub satisfies a rotation stop condition;
and the action control module is used for controlling the motor to stop rotating and closing the drain valve under the condition that the rotation stop state is met.
11. A washing machine, characterized in that it comprises a control device according to claim 10.
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