CN111893707A - Control method of washing machine and washing machine - Google Patents
Control method of washing machine and washing machine Download PDFInfo
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- CN111893707A CN111893707A CN202010766894.0A CN202010766894A CN111893707A CN 111893707 A CN111893707 A CN 111893707A CN 202010766894 A CN202010766894 A CN 202010766894A CN 111893707 A CN111893707 A CN 111893707A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
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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 present invention provides a control method of a washing machine, including a dehydrating process S2, the dehydrating process S2 including the steps of: s21: controlling the washing machine to perform a dehydration process; s22: control the rotational speed of washing machine's dehydration motor promotes then stabilizes on a rotational speed the in-process that the rotational speed of dehydration motor promoted detects the weight value of washing machine washing section of thick bamboo after the rotational speed of dehydration motor is stable, detect the eccentric value of washing section of thick bamboo still provides a washing machine, adopts above-mentioned washing machine's control method, through the in-process that the rotational speed at the dehydration motor promoted, detects the weight value of washing machine washing section of thick bamboo, after the rotational speed of dehydration motor is stable, detects the eccentric value of washing section of thick bamboo, can make full use of the acceleration process of dehydration motor, save time reduces the delay probability, reduces the delay time, practices thrift the electric quantity, improves user experience.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a control method of a washing machine and the washing machine.
Background
Washing machine is common electrical apparatus in life, and its main function is for the user washs the clothing, and at present, after drum type washing machine started, its work flow does: the method comprises the steps of firstly feeding water, wetting clothes in the drum, then washing, draining, rinsing and dehydrating, further detecting an eccentric value, and when the eccentric value meets an eccentric standard value, increasing the rotating speed of the drum to a set highest rotating speed to finish dehydration and finishing drainage. Because the working process of the existing drum washing machine is the same, the washing work is finished according to a normal software algorithm, for example, the program display is 3:50min, but the time for finishing the whole process in the actual running process is about 4:30min, the delay is very serious, the electricity consumption is large, the daily plan of a user is influenced, the user experience is reduced, and the user complaints seriously.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. For this purpose,
according to an embodiment of the present disclosure, there is provided a control method of a washing machine including a dehydration process S2, the dehydration process S2 including the steps of:
s21: controlling the washing machine to perform a dehydration process;
s22: controlling the rotating speed of a dewatering motor of the washing machine to be increased and then stabilized on a rotating speed, detecting the weight value of a washing drum of the washing machine in the rotating speed increasing process of the dewatering motor, and detecting the eccentric value of the washing drum after the rotating speed of the dewatering motor is stabilized.
Through the in-process that the rotational speed at the dehydration motor promoted, detect the weight value of washing machine washing section of thick bamboo, after the rotational speed of dehydration motor is stable, detect the eccentric value of washing section of thick bamboo, acceleration process that can make full use of dehydration motor, save time reduces the delay probability, reduces the delay time, practices thrift the electric quantity, improves user experience.
According to an embodiment of the present disclosure, in the dehydration procedure S2, the step S22 is followed by further comprising:
s23: the rotating speed of the dewatering motor is in a stable process, and an eccentric standard value of the washing drum is detected;
s24: comparing the eccentricity value with an eccentricity standard value, executing S22 when the eccentricity value is less than the eccentricity standard value, and executing S25 when the eccentricity value is more than or equal to the eccentricity standard value;
s25: and (2) decelerating and stabilizing the dewatering motor at a certain rotating speed, then accelerating the dewatering motor at a certain rotating speed, wherein the accelerating value is less than or equal to the decelerating value, detecting the weight value of the washing drum in the accelerating process, detecting the eccentric value and the eccentric standard value of the washing drum after the rotating speed is accelerated stably, and executing S24.
Through the process, the rotating speed of the dehydration motor is increased in stages, compared with the one-time increasing to the set maximum rotating speed, the difficulty of increasing the speed of the motor can be reduced, the time is saved, the delay time is reduced, the delay probability is reduced, the electric quantity is saved, the user experience is improved, the current rotating speed stable value is smaller than the last rotating speed stable value by setting the increasing value to be smaller than or equal to the decreasing value, and the problems of cylinder collision and the like are avoided.
According to an embodiment of the present disclosure, between the steps S22 and S23, further comprising:
the method comprises the steps of obtaining the rotating speed value of the dehydration motor, comparing the rotating speed value of the dehydration motor with a set maximum rotating speed value, determining that a dehydration program is finished after the dehydration motor runs for a certain time at the current rotating speed when the rotating speed value of the dehydration motor is larger than or equal to the set maximum rotating speed value, and running S23 when the rotating speed of the dehydration motor is smaller than or equal to the set maximum rotating speed value, so that the dehydration process can be finished timely, the time and the electric quantity are saved, and the user experience is improved.
According to the embodiment of the present disclosure, in step S22, in the process of increasing the rotation speed of the spin-drying motor, a plurality of output torques of the spin-drying motor are detected, an average output torque is calculated, and the weight value of the washing drum is calculated according to the average output torque, so that the detection efficiency can be improved.
According to the embodiment of the present disclosure, in step S22, after the rotation speed of the spin motor is stabilized, the output speed fluctuation value of the spin motor is detected when the washing drum rotates for several turns, and the eccentricity value of the washing drum is calculated according to the output speed fluctuation value of the spin motor.
According to an embodiment of the present disclosure, in step S23, an eccentricity standard value of the washing tub is calculated according to the weight value and the rotation speed of the dehydration motor.
According to the embodiment of the disclosure, the washing machine dehydration motor is a direct-drive motor, compared with a traditional brushless direct current motor, the direct-drive motor can quickly detect the rotating speed and the weight, so that the direct-drive motor can detect the eccentricity value more quickly, the direct-drive motor adopts an outer rotor structure and is an inner rotor structure more stably than the traditional brushless direct current motor, the washing drum can not generate ladle deviation when rotating, meanwhile, the installation of the direct-drive motor reduces a belt and a belt wheel relative to the installation of the brushless direct current motor, the transmission ratio of 10:1 is reduced, the rotating speed output by the dehydration motor is reduced, the rotating speed reaching time required in the drum is short, the eccentricity detection time is short, the time accuracy of the whole program is improved, and the delay.
According to the embodiment of the disclosure, the pole number of the dewatering motor is more than or equal to 48 poles, the motor signal quantity which can be collected in the process that the washing drum of the washing machine rotates for one circle is large, and the calculated eccentricity value and weight value are high in precision.
According to an embodiment of the present disclosure, a washing process S1 is performed before the dehydration process S2 is performed, the washing process S1 includes the steps of:
s11: controlling the washing machine to perform a washing program;
s12: the laundry is put in is weighed, a washing time and a dehydrating time are determined according to the weight, and then washing is started.
By adding a weighing link in the washing program, the completion time can be predicted, and the user experience is improved.
According to the embodiment of the disclosure, the washing machine, which adopts the control method of the washing machine of any one of the preceding claims, saves time, reduces delay probability, reduces delay time, saves electric quantity, and improves user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a control schematic of a dewatering process according to an embodiment of the present disclosure;
FIG. 2 is a control schematic of a dewatering process according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of the change in rotational speed of a dehydration motor according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of the change in rotational speed of a dehydration motor according to an embodiment of the present disclosure;
FIG. 5 is a control schematic of a dewatering process according to an embodiment of the present disclosure;
fig. 6 is a control schematic diagram of a control method of a washing machine according to an embodiment of the present disclosure.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
A control method of a washing machine, the washing machine comprises a washing drum, a dewatering motor, a controller and other components, the design of the washing machine is the prior design, and the design is not described again.
Referring to fig. 1, in one embodiment of the present invention, a control method of a washing machine includes a dehydration process S2, the dehydration process S2 including the steps of:
s21: controlling the washing machine to perform a dehydration process;
specifically, the spin-drying process S2 may be separately started and executed, that is, the spin-drying process may be executed after the washing machine is started, and the control method of the washing machine may further include the washing process S1, or the washing process may be executed after the washing machine is started, and the spin-drying process S2 may be automatically performed after the washing process S1 is completed.
S22: controlling the rotation speed of a dehydration motor of the washing machine to be increased and then stabilizing the rotation speed, detecting the weight value of the load of a washing drum of the washing machine in the process of increasing the rotation speed of the dehydration motor, and detecting the eccentric value of the washing drum after the rotation speed of the dehydration motor is stabilized;
specifically, the eccentricity value is an OOB (Out Of Balance) value. Through the in-process that the rotational speed at the dehydration motor promoted, detect the weight value of washing machine washing section of thick bamboo, after the rotational speed of dehydration motor is stable, detect the eccentric value of washing section of thick bamboo, acceleration process that can make full use of dehydration motor, save time reduces the delay probability, reduces the delay time, practices thrift the electric quantity, improves user experience.
In an embodiment of the present invention, referring to fig. 2, in the dehydrating process S2, after step S22, the method further includes:
s23: detecting an eccentric standard value of the washing drum when the rotating speed of the dewatering motor is in a stable process;
s24: comparing the eccentricity value with the eccentricity standard value, executing S22 when the eccentricity value is less than the eccentricity standard value, and executing S25 when the eccentricity value is more than or equal to the eccentricity standard value;
s25: and (3) decelerating and stabilizing the dewatering motor at a certain rotating speed, then accelerating the dewatering motor at the certain rotating speed, wherein the accelerating value is less than or equal to the decelerating value, detecting the weight value of the washing drum in the accelerating process, detecting the eccentric value and the eccentric standard value of the washing drum after the rotating speed is accelerated stably, and executing S24.
Specifically, referring to fig. 3 to 4, the spin-drying process may include a plurality of alternately arranged spin-up processes and spin-up states, for example, the spin-drying motor has a spin speed of W0, a spin speed of W1 is increased from W0 to W1 and continuously rotated at W1, a spin speed of W0 to W1 is increased, a spin speed of W1 is continuously rotated, a weight value H1 of a load of the washing machine washing tub is detected during the spin-up process, an eccentricity value a1 of the washing tub is detected during the spin-up process, and then an eccentricity value a1 of the washing tub is detected during the spin-up process of the spin-drying motor is stabilizedThe center standard value B1. Comparing the eccentricity value A1 with the eccentricity standard value B1, when the eccentricity value A1 is less than the eccentricity standard value B1, indicating that the rotating speed of the dewatering motor can be continuously increased, increasing the speed from W1 to W2 at a certain acceleration a2 and continuously rotating at a rotating speed W2, detecting the weight value H2 loaded on the washing drum of the washing machine in the rotating speed increasing process, detecting the eccentricity value A2 of the washing drum in the rotating speed stabilizing process, then detecting the eccentricity standard value B2 of the washing drum in the rotating speed stabilizing process of the dewatering motor, comparing the eccentricity value A2 with the eccentricity standard value B2, when the eccentricity value A2 is less than the standard value B2, indicating that the rotating speed of the dewatering motor can be continuously increased, continuously increasing the rotating speed of the dewatering motor, by the method, increasing the rotating speed of the dewatering motor to W3, W4, W5 … … Wn, wherein n is a positive integer, so that the rotating speed of the dewatering motor reaches the set maximum rotating speed value, the dehydration process is completed. When the eccentricity value A2 is greater than or equal to the eccentricity standard value B2, the rotating speed of the dewatering motor cannot be continuously increased, if the problem of cylinder collision can be caused when the speed is continuously increased, the speed of the dewatering motor is reduced and stabilized on a rotating speed value W21, then the speed is increased and stabilized on a certain rotating speed W3, wherein the reduced speed value is greater than the increased speed value, the current rotating speed stable value is smaller than the last rotating speed stable value, the problem of cylinder collision and the like is avoided, in the speed increasing process, the weight value H3 is recalculated, in the stabilizing process, the eccentricity value A3 and the eccentricity standard value B3 are recalculated, S24 is returned, the eccentricity value A3 and the eccentricity standard value B3 are compared, and the operation is continuously performed according to the comparison result. Wherein, the W0 can be 30 rpm/s-40 rpm/s, and the acceleration a1 can be 5rpm/s2～20rpm/s2The speed W1 may be 100rpm/s to 130 rpm/s. Alternatively, the speed increase value and the speed decrease value of each rotation speed are 200rpm/s and 200rpm/s, and the rotation speed value is not limited herein, so long as the speed is increased according to the speed increase principle.
Through the process, the rotating speed of the dehydration motor is increased in stages, and compared with the one-time speed increase to the set maximum rotating speed, the difficulty of the speed increase of the motor can be reduced, the time is saved, the delay time is reduced, the delay probability is reduced, the electric quantity is saved, and the user experience is improved.
In one embodiment of the present inventionIn the embodiment, the dehydration motor can be a direct drive motor, the number of poles of the dehydration motor can be more than or equal to 48, compared with the common 30 and 36 pole motors, the motor signal which can be collected in the process of one-circle rotation of the washing drum of the washing machine is 106And the accuracy of the calculated eccentricity value and the calculated weight value reaches 0.001 ms. Compared with the traditional brushless direct current motor, the motor can quickly detect the rotating speed and the weight, so that the direct drive motor can detect the eccentricity value more quickly; and the direct drive motor adopts an outer rotor structure which is more stable than a traditional brushless direct current motor in an inner rotor structure, the washing cylinder does not generate gourd ladle deflection when rotating, meanwhile, the direct drive motor is installed, a belt and a belt wheel are reduced compared with the brushless direct current motor, the transmission ratio of 10:1 is reduced, the rotating speed output by the dehydration motor is reduced, the rotating speed reaching the requirement of the washing cylinder is shortened, the eccentric detection time is shortened, the time accuracy of the whole program is improved by 35%, and the delay probability is greatly reduced.
In one embodiment of the present invention, referring to fig. 5, in the dehydration procedure S2, between steps S22 and S23, further comprising:
and obtaining a rotation speed value of the dewatering motor, comparing the rotation speed value of the dewatering motor with a set maximum rotation speed value, determining that a dewatering program is ended after the dewatering motor runs for a certain time at the current rotation speed when the rotation speed value of the dewatering motor is larger than or equal to the set maximum rotation speed value, and running S23 when the rotation speed value of the dewatering motor is smaller than or equal to the set maximum rotation speed value.
The dehydration process can be finished in time, so that the time and the electric quantity are saved, and the user experience is improved.
In one embodiment of the present invention, in step S22, during the rotation speed of the spin motor is increased, several output torques of the spin motor of the washing machine are detected, an average output torque is calculated, and a weight value of the washing machine washing drum load is calculated according to the average output torque.
Specifically, in the process of increasing the rotating speed of the dewatering motor, 10000 output torque data of the dewatering motor are collected and recorded, then the data are processed, 50 maximum values and 50 minimum values are eliminated, the average output torque of the dewatering motor is obtained by processing the residual data, the weight value of the load is calculated through related conversion, and the method is adoptedThe detection method can improve the detection efficiency. Obtaining a fitting formula of the average output torque through data acquisition, detection and processing, wherein the average output torque is Y, and Y is W +0.03524 a +0.065 a2Wherein, W is the rotation speed of the dewatering motor before the rotation speed is increased, and a is the acceleration in the speed increasing stage.
In one embodiment of the present invention, in step S22, after the rotation speed of the spin motor is stabilized, the output speed fluctuation value of the spin motor is detected when the washing drum of the washing machine rotates for several turns, and the eccentricity value of the washing drum of the washing machine is calculated according to the output speed fluctuation value of the spin motor.
Specifically, when the rotating speed of the dewatering motor is stable, the output speed fluctuation value of the dewatering motor which rotates 4 circles of the washing drum is detected, and the eccentricity value of the washing drum is calculated, wherein the number of rotation circles of the washing drum is adjustable, and the detection time is longer as the number of corresponding rotation circles is more.
In one embodiment of the present invention, in step S23, an eccentricity standard value of the washing tub is calculated based on the weight value and the rotation speed of the dehydration motor.
In one embodiment of the present invention, the control method of the washing machine, may further include a washing process S1, the washing process S1 is performed before the dehydration process S2 is performed, referring to fig. 6, the washing process S1 includes the steps of:
s11: controlling the washing machine to perform a washing program;
s12: the laundry is put in and weighed, a finish time is predicted according to the weight, and then washing is started.
By adding a weighing link in the washing program, the completion time can be predicted, and the user experience is improved.
The invention also provides a washing machine, and the washing machine adopts the control method of any one of the washing machines.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A control method of a washing machine, comprising a dehydrating process S2, the dehydrating process S2 comprising the steps of:
s21: controlling the washing machine to perform a dehydration process;
s22: controlling the rotating speed of a dewatering motor of the washing machine to be increased and then stabilized on a rotating speed, detecting the weight value of a washing drum of the washing machine in the rotating speed increasing process of the dewatering motor, and detecting the eccentric value of the washing drum after the rotating speed of the dewatering motor is stabilized.
2. The control method of a washing machine according to claim 1, wherein in the spinning process S2, the step S22 is followed by further comprising:
s23: the rotating speed of the dewatering motor is in a stable process, and an eccentric standard value of the washing drum is detected;
s24: comparing the eccentricity value with an eccentricity standard value, executing S22 when the eccentricity value is less than the eccentricity standard value, and executing S25 when the eccentricity value is more than or equal to the eccentricity standard value;
s25: and (2) decelerating and stabilizing the dewatering motor at a certain rotating speed, then accelerating the dewatering motor at a certain rotating speed, wherein the accelerating value is less than or equal to the decelerating value, detecting the weight value of the washing drum in the accelerating process, detecting the eccentric value and the eccentric standard value of the washing drum after the rotating speed is accelerated stably, and executing S24.
3. The control method of a washing machine as claimed in claim 2, further comprising between the steps S22 and S23:
and obtaining the rotating speed value of the dewatering motor, comparing the rotating speed value of the dewatering motor with a set maximum rotating speed value, determining that a dewatering program is finished after the dewatering motor runs for a certain time at the current rotating speed when the rotating speed value of the dewatering motor is not less than the set maximum rotating speed value, and running S23 when the rotating speed value of the dewatering motor is not more than the set maximum rotating speed value.
4. The control method of a washing machine as claimed in claim 1, wherein in step S22, several output torques of the dehydration motor are detected during the rotation speed of the dehydration motor is increased, an average output torque is calculated, and a weight value of the washing tub is calculated based on the average output torque.
5. The method of claim 1, wherein in step S22, after the rotation speed of the spin motor is stabilized, the output speed fluctuation value of the spin motor is detected when the washing drum rotates for several turns, and the eccentricity value of the washing drum is calculated based on the output speed fluctuation value of the spin motor.
6. The control method of a washing machine according to claim 2, wherein in step S23, an eccentricity standard value of the washing tub is calculated according to the weight value and the rotation speed of the spinning motor.
7. The control method of a washing machine as claimed in claim 1, wherein the washing machine dehydration motor is a direct drive motor.
8. The control method of a washing machine according to claim 7, wherein the number of poles of the dehydration motor is equal to or greater than 48 poles.
9. The control method of a washing machine according to claim 1, wherein a washing process S1 is performed before performing a spinning process S2, the washing process S1 includes the steps of:
s11: controlling the washing machine to perform a washing program;
s12: the laundry is put in is weighed, a washing time and a dehydrating time are determined according to the weight, and then washing is started.
10. A washing machine characterized by adopting the control method of the washing machine according to any one of claims 1 to 9.
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| CN114775223A (en) * | 2022-04-29 | 2022-07-22 | 无锡飞翎电子有限公司 | Dehydration control method, system, device and storage medium for clothes processing device |
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| CN113605045A (en) * | 2021-04-22 | 2021-11-05 | 松下家电(中国)有限公司 | Control method of clothes treatment equipment |
| CN113605045B (en) * | 2021-04-22 | 2024-03-26 | 松下家电(中国)有限公司 | Control method of laundry treating apparatus |
| CN114197153A (en) * | 2021-12-23 | 2022-03-18 | 珠海格力电器股份有限公司 | Washing method of washing device and washing device |
| CN114541084A (en) * | 2022-03-03 | 2022-05-27 | 广东威灵电机制造有限公司 | Dehydration control method and device for washing machine, washing machine and medium |
| CN114541085A (en) * | 2022-03-03 | 2022-05-27 | 广东威灵电机制造有限公司 | Dehydration control method and device for washing machine, washing machine and storage medium |
| CN114541084B (en) * | 2022-03-03 | 2024-04-02 | 广东威灵电机制造有限公司 | Dewatering control method and device for washing machine, washing machine and medium |
| CN114775223A (en) * | 2022-04-29 | 2022-07-22 | 无锡飞翎电子有限公司 | Dehydration control method, system, device and storage medium for clothes processing device |
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| CN111893707B (en) | 2022-11-08 |
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