CN114687126B - Control method of washing machine, washing machine and readable storage medium - Google Patents

Control method of washing machine, washing machine and readable storage medium Download PDF

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Publication number
CN114687126B
CN114687126B CN202011620986.4A CN202011620986A CN114687126B CN 114687126 B CN114687126 B CN 114687126B CN 202011620986 A CN202011620986 A CN 202011620986A CN 114687126 B CN114687126 B CN 114687126B
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China
Prior art keywords
dehydration
amplitude
rotating speed
washing machine
variation
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CN202011620986.4A
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Chinese (zh)
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CN114687126A (en
Inventor
朱灵云
梁守文
李宗涛
李亚东
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Wuxi Little Swan Electric Co Ltd
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Wuxi Little Swan Electric Co Ltd
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Priority to CN202011620986.4A priority Critical patent/CN114687126B/en
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Classifications

    • 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
    • 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 
    • D06F33/44—Control of the operating time, e.g. reduction of overall operating time
    • 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 
    • D06F33/46—Control of the energy or water consumption
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed

Abstract

The application provides a control method of a washing machine, the washing machine and a readable storage medium, wherein the washing machine comprises a water containing barrel and a dewatering barrel, and the control method of the washing machine comprises the following steps: acquiring a dehydration rotating speed of the dehydration barrel, and acquiring the amplitude of the water containing barrel under the condition that the dehydration rotating speed is larger than a first rotating speed threshold value; the variation of the amplitude is determined, and the dehydration rotation speed is adjusted according to the variation. By applying the technical scheme provided by the application, after the dehydration rotating speed reaches a certain first rotating speed threshold, the dehydration rotating speed of the dehydration barrel is regulated according to the amplitude change of the water containing barrel, so that the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and the energy is effectively saved.

Description

Control method of washing machine, washing machine and readable storage medium
Technical Field
The present application relates to the technical field of washing machines, and in particular, to a control method of a washing machine, and a readable storage medium.
Background
In the related art, in the washing process of the pulsator washing machine, there are several rinsing and dehydrating stages, wherein the dehydrating stages are executed according to a set program, parameters such as the dehydrating time, the dehydrating rotation speed and the like are fixed, and the time consumed for washing and dehydrating is long.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, a first aspect of the present application proposes a control method of a washing machine.
A second aspect of the present application proposes a washing machine.
A third aspect of the application proposes a readable storage medium.
In view of the above, a first aspect of the present application provides a control method of a washing machine including a tub and a dehydrating tub, the control method of the washing machine including: acquiring a dehydration rotating speed of the dehydration barrel, and acquiring the amplitude of the water containing barrel under the condition that the dehydration rotating speed is larger than a first rotating speed threshold value; the variation of the amplitude is determined, and the dehydration rotation speed is adjusted according to the variation.
In the technical scheme, the washing machine firstly obtains the rotation speed of the dewatering barrel, namely the dewatering rotation speed, in the dewatering process. If the dehydration rotation speed is greater than the first rotation speed threshold value, further acquiring the amplitude of the water bucket, and adjusting the dehydration rotation speed of the dehydration bucket according to the variation of the amplitude of the water bucket.
Specifically, after the washing machine enters the dehydration stage, the dehydration rotation speed gradually increases as the dehydration progresses. When the dehydration rotation speed rises to a certain threshold, specifically a first rotation speed threshold, it represents that the dehydration process has started for a period of time, and the variation of the amplitude of the water tub is acquired.
In the dehydration process, water adsorbed by clothes in the dehydration barrel is thrown out and finally falls into the water containing barrel, so that the quality of the dehydration barrel is reduced as the water of the dehydration barrel enters the water containing barrel, the quality of the water containing barrel is increased, and the quality is changed, so that movement is unbalanced, and the amplitude of the water containing barrel is unbalanced, namely, the amplitude of the water containing barrel is changed.
Therefore, the change in the mass of the tub can be observed based on the change in the amplitude of the tub. Specifically, when the amplitude of the tub is in a trend of variation, it is indicated that the quality of both the tub and the dehydrating tub is changed, and at this time, the water of the laundry in the dehydrating tub is not "spin-dried", so that the progress of the dehydration can be maintained. When the amplitude of the water holding barrel tends to be gentle, the quality of the water holding barrel and the quality of the dewatering barrel are approximately unchanged, namely, under the current dewatering rotating speed, no water enters the water holding barrel from the dewatering barrel, so that the gear of the dewatering rotating speed can be increased, the next dewatering stage can be advanced, the phenomenon that the washing machine wastes time in the current dewatering stage, namely, the current dewatering rotating speed is avoided, and the purpose of saving the dewatering time is achieved.
By applying the technical scheme provided by the application, after the dehydration rotating speed reaches a certain first rotating speed threshold, the dehydration rotating speed of the dehydration barrel is regulated according to the amplitude change of the water containing barrel, so that the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and the energy is effectively saved.
In addition, the control method of the washing machine in the technical scheme provided by the application can also have the following additional technical characteristics:
in the above technical solution, determining the variation of the amplitude includes: acquiring a first amplitude at a first moment; acquiring a second amplitude at a second time interval which is a preset duration from the first time interval; the amount of change is determined based on the difference between the second amplitude and the first amplitude.
In this aspect, the amplitude variation amount of the tub may be determined according to a difference in amplitude of the tub at the first time and at the second time.
Specifically, when the dehydration rotation speed is greater than the first rotation speed threshold, the first amplitude is acquired at a first moment, wherein the "first moment" can be any moment in the dehydration process or any moment, but not a fixed time point, and the specific time of the first moment is not limited by the present application.
After the first amplitude is obtained, the second amplitude is obtained at a second moment after a delay preset time, wherein the second moment can be any moment in the dehydration process or any moment, but is not a fixed time point, and the specific time of the second moment is not limited by the application.
According to the difference value of the first amplitude and the second amplitude, the variation of the amplitude of the water holding barrel in the preset time period is calculated, the dehydration rotating speed of the dehydration barrel is regulated according to the variation, and the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, so that the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and energy sources can be effectively saved.
It can be understood that the amplitude at more time points can be obtained, the amplitude difference value is calculated for a plurality of times, and the variation of the amplitude is determined according to the average value of the obtained plurality of difference values.
In any of the above technical solutions, adjusting the dehydration rotation speed according to the variation includes: and controlling the dewatering barrel to increase the dewatering rotating speed according to the comparison result of the variation and the preset variation threshold.
In the technical scheme, the dehydration barrel is controlled to increase the dehydration rotating speed by setting a variation threshold and according to the obtained variation of the amplitude of the water barrel and the comparison result of the variation threshold. Specifically, when the variation of the amplitude meets the interval of a certain variation threshold, the quality area of the current water holding barrel is considered to be stable, the dewatering effect of the current dewatering stage is judged to be met, and the dewatering rotation speed is increased at the moment, so that the washing machine enters the next dewatering stage in advance, the dewatering rotation speed of the washing machine is increased, and the dewatering time is effectively saved.
In any one of the above technical solutions, the rotation speed threshold includes a first threshold, a second threshold, and a third threshold, and according to a comparison result between the variable quantity and a preset rotation speed threshold, the dewatering barrel is controlled to increase the dewatering rotation speed, which specifically includes:
in the technical scheme, under the condition that the variation is smaller than a first threshold value and larger than or equal to a second threshold value, the dehydration rotating speed is regulated to be a first rotating speed; when the variation is smaller than the second threshold value and larger than or equal to the third threshold value, the dehydration rotating speed is adjusted to be the second rotating speed; when the variation is smaller than the third threshold value and larger than or equal to the fourth threshold value, the dehydration rotating speed is adjusted to be the third rotating speed; wherein the third rotational speed is greater than the second rotational speed, which is greater than the first rotational speed.
In the technical scheme, the rotation speeds of the first rotation speed, the second rotation speed and the third rotation speed are in an increasing trend, and under the condition that the variation is between the second threshold value and the first threshold value, the dehydration work is satisfied in the current stage, the dehydration rotation speed of the current dehydration barrel is increased to the first rotation speed, namely, the dehydration rotation speed of the dehydration barrel is controlled to be increased by one gear, and the variation of the amplitude of the water holding barrel is continuously obtained.
If the variation is further between the third threshold value and the second threshold value, the dehydration rotating speed of the dehydration barrel is continuously increased, specifically to the second rotating speed, the rotating speed gear lifting of the dehydration barrel is controlled again, and the variation of the amplitude of the water containing barrel is continuously obtained.
When the variation is smaller than the third threshold value but larger than the fourth threshold value, the dehydration rotating speed of the dehydration barrel is increased to the third rotating speed of the highest gear, and the dehydration barrel rotates at a high speed at the moment so as to ensure the final dehydration effect.
According to the embodiment of the application, whether the effect of the current dehydration stage is achieved is judged in real time according to the variation of the amplitude of the water containing bucket, and the next dehydration stage is advanced after the effect is achieved, so that the total dehydration time is reduced, and the time and energy conservation are realized.
In any of the above embodiments, the washing machine is controlled to end the dehydration stage if the variation is smaller than the fourth threshold.
In the technical scheme, if the variation of the amplitude of the water containing barrel is smaller than the fourth threshold value, the quality of the water containing barrel is basically not changed, at the moment, the dewatering effect can be judged to be achieved, and the washing machine is controlled to finish the dewatering stage, so that on one hand, the dewatering time can be reduced, on the other hand, the time can be saved, on the other hand, the condition that the dewatering barrel of the washing machine continuously works under the condition that clothes in the dewatering barrel are dried is avoided, and energy can be saved and mechanical loss can be reduced.
In any of the above technical solutions, when the spin speed is greater than the first spin speed threshold and the amplitude is greater than the amplitude threshold, the washing machine is controlled to end the spin phase.
In this technical scheme, if the dehydration rotational speed of the dehydration tub is higher than the first rotational speed threshold while the amplitude of the tub is acquired to be greater than the preset amplitude threshold, the procedure of the dehydration stage is ended. Specifically, at the beginning of the dehydration stage, the dehydration tub is operated at a lower rotational speed, and the dehydration rotational speed of the dehydration tub is gradually increased, in which process water in laundry is gradually thrown out and enters the tub, and the tub is rapidly changed in mass at this time, so that the amplitude of the tub is large.
However, as the dehydration speed increases gradually, for example, when the dehydration speed increases above the first speed threshold, it means that the dehydration process has entered a steady state in which a certain mass of water has been accumulated in the tub, and the total mass increases, so that the mass increase ratio decreases, and the amplitude of the tub should be less than the amplitude threshold. If the amplitude of the water bucket is still higher than the amplitude threshold after the dehydration rotating speed is increased to be higher than the first rotating speed threshold, the serious eccentricity of the water bucket is indicated, so that the washing machine is controlled to finish the dehydration process and the dehydration stage, thereby ensuring the use safety of the washing machine, preventing the washing machine from being damaged, avoiding the noise increase caused by the large eccentricity and being beneficial to realizing silence.
It can be appreciated that the washing machine may start the dehydration again according to the program setting after the end of the dehydration phase, or restart the dehydration after at least one rinsing phase. In some embodiments, if the eccentricity of the tub occurs continuously, a corresponding alarm prompt may be issued while recording a fault log for reference by a serviceman.
In any of the above technical solutions, the control method of the washing machine further includes: under the condition that the dehydration rotating speed is smaller than a first rotating speed threshold value and the amplitude is larger than or equal to an amplitude threshold value, water is supplemented to the water bucket; under the condition that the dehydration rotating speed is smaller than the first rotating speed threshold value and the amplitude is smaller than the amplitude threshold value, stopping water supplementing to the water bucket and increasing the dehydration rotating speed until the dehydration rotating speed is larger than or equal to the first rotating speed threshold value
In the technical scheme, after the dehydration rotation speed is greater than the second rotation speed threshold, namely, the dehydration state is entered and the first dehydration gear is reached, if the dehydration rotation speed does not reach the first rotation speed threshold, the water can be supplemented to the water containing barrel according to the amplitude of the water containing barrel.
Specifically, the vibration of the tub is mainly due to the mass change caused when water enters the tub, so the lighter the tub, the more remarkable the mass change, and the larger the resulting vibration amplitude. When the dehydration speed does not reach the first rotation speed threshold value at the beginning of the dehydration stage, because the dehydration stage begins at a shorter time, enough water is not accumulated in the water bucket, so the water bucket is light in weight, and the condition of overlarge amplitude easily occurs at the moment.
Therefore, the water bucket is subjected to water supplementing operation according to the amplitude of the water bucket, so that the mass of the water bucket can be effectively increased in the initial stage of dehydration, the amplitude of the water bucket is reduced, excessive noise generated by vibration of the water bucket is avoided, and mute dehydration is facilitated.
Since the vibration of the tub is mainly due to the mass change caused when water enters the tub, the lighter the tub, the more remarkable the mass change, and the larger the resulting vibration amplitude. When the dehydration speed does not reach the first rotation speed threshold value at the beginning of the dehydration stage, because the dehydration stage begins at a shorter time, enough water is not accumulated in the water bucket, so the water bucket is light in weight, and the condition of overlarge amplitude easily occurs at the moment.
Therefore, when the amplitude of the water holding barrel exceeds the amplitude threshold value, clean water is injected into the water holding barrel according to a certain flow through a water supplementing algorithm, so that the quality of the water holding barrel is improved, the vibration of the water holding barrel caused by the change of the quality is reduced, the excessive noise generated by the vibration of the water holding barrel is avoided, and the mute dehydration is facilitated.
When the amplitude of the water holding bucket is smaller than the amplitude threshold value, the water holding bucket is considered to be stable, excessive noise is not generated, water replenishing is stopped at the moment, the dehydration rotating speed is increased, dehydration enters the next dehydration stage, on one hand, the dehydration time is reduced, and on the other hand, energy sources can be effectively saved.
In any of the above technical solutions, an acceleration sensor is provided on the tub, to obtain an amplitude of the tub, including: acceleration information in at least three directions is acquired through an acceleration sensor, and the amplitude is determined according to the acceleration information.
In this technical solution, an acceleration sensor is provided on the tub, wherein the acceleration sensor may be provided as a MEMS (Micro-Electro-Mechanical System ) acceleration sensor, and may be specifically provided at the bottom of the tub. It can be understood that the acceleration sensor may be other types of acceleration sensors, the number of the acceleration sensors may be one or more, and the setting positions may be at the bottom, the side wall, etc. of the tub, which is not limited in the embodiment of the present application.
In the process of acquiring the amplitude of the tub, the first acceleration, the second acceleration and the third acceleration in three different directions are acquired through the acceleration sensor, and it is assumed that the three different directions are an x direction, a y direction and a z direction, respectively, wherein the x direction, the y direction and the z direction may be two straight line directions perpendicular to each other, and an xyz coordinate system may be established according to the x direction, the y direction and the z direction.
The acceleration sensor is used for acquiring the acceleration in the x direction, the acceleration in the y direction and the acceleration in the z direction, and the vibration amplitude in the three directions can be calculated according to the acceleration, so that the amplitude of the water holding barrel is determined, the dehydration rotating speed of the dehydration barrel is regulated according to the amplitude change of the water holding barrel, the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and the energy is effectively saved.
A second aspect of the present application provides a washing machine, comprising: a dehydration barrel; a water accommodating barrel, wherein the dewatering barrel is positioned in the water accommodating barrel; a memory having stored thereon programs or instructions; the processor is configured to implement the steps of the control method of the washing machine according to any one of the above-mentioned embodiments when executing the program or the instruction, so that the washing machine includes all the advantages of the control method of the washing machine according to any one of the above-mentioned embodiments, and for avoiding repetition, the description is omitted.
A third aspect of the present application provides a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the method for controlling a washing machine according to any one of the above-mentioned aspects, and therefore, the readable storage medium includes all the advantages of the method for controlling a washing machine according to any one of the above-mentioned aspects, and is not repeated here.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 illustrates one of flowcharts of a control method of a washing machine according to an embodiment of the present application;
fig. 2 illustrates a second flowchart of a control method of a washing machine according to an embodiment of the present application;
fig. 3 illustrates a third flowchart of a control method of a washing machine according to an embodiment of the present application;
fig. 4 illustrates a fourth flowchart of a control method of a washing machine according to an embodiment of the present application;
fig. 5 illustrates a fifth flowchart of a control method of a washing machine according to an embodiment of the present application;
fig. 6 illustrates a sixth flowchart of a control method of a washing machine according to an embodiment of the present application;
fig. 7 illustrates a block diagram of a structure of a washing machine according to an embodiment of the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
Control methods of a washing machine, and a readable storage medium according to some embodiments of the present application are described below with reference to fig. 1 to 7.
Example 1
In some embodiments of the present application, fig. 1 shows one of flowcharts of a control method of a washing machine including a tub and a dehydrating tub according to an embodiment of the present application, the control method of the washing machine including the steps of:
102, acquiring a dehydration rotating speed of a dehydration barrel, and acquiring the amplitude of the water holding barrel under the condition that the dehydration rotating speed is larger than a first rotating speed threshold value;
and 104, determining the variation of the amplitude, and adjusting the dehydration rotating speed according to the variation.
In the embodiment of the application, the rotation speed of the dewatering barrel, namely the dewatering rotation speed, is firstly obtained in the dewatering process of the washing machine. If the dehydration rotation speed is greater than the first rotation speed threshold value, further acquiring the amplitude of the water bucket, and adjusting the dehydration rotation speed of the dehydration bucket according to the variation of the amplitude of the water bucket.
Specifically, after the washing machine enters the dehydration stage, the dehydration rotation speed gradually increases as the dehydration progresses. When the dehydration rotation speed rises to a certain threshold, specifically a first rotation speed threshold, it represents that the dehydration process has started for a period of time, and the variation of the amplitude of the water tub is acquired.
In the dehydration process, water adsorbed by clothes in the dehydration barrel is thrown out and finally falls into the water containing barrel, so that the quality of the dehydration barrel is reduced as the water of the dehydration barrel enters the water containing barrel, the quality of the water containing barrel is increased, and the quality is changed, so that movement is unbalanced, and the amplitude of the water containing barrel is unbalanced, namely, the amplitude of the water containing barrel is changed.
Therefore, the change in the mass of the tub can be observed based on the change in the amplitude of the tub. Specifically, when the amplitude of the tub is in a trend of variation, it is indicated that the quality of both the tub and the dehydrating tub is changed, and at this time, the water of the laundry in the dehydrating tub is not "spin-dried", so that the progress of the dehydration can be maintained. When the amplitude of the water holding barrel tends to be gentle, the quality of the water holding barrel and the quality of the dewatering barrel are approximately unchanged, namely, under the current dewatering rotating speed, no water enters the water holding barrel from the dewatering barrel, so that the gear of the dewatering rotating speed can be increased, the next dewatering stage can be advanced, the phenomenon that the washing machine wastes time in the current dewatering stage, namely, the current dewatering rotating speed is avoided, and the purpose of saving the dewatering time is achieved.
By applying the embodiment provided by the application, after the dehydration rotating speed reaches a certain first rotating speed threshold, the dehydration rotating speed of the dehydration barrel is regulated according to the amplitude change of the water containing barrel, so that the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and the energy is effectively saved.
Example two
In some embodiments of the present application, fig. 2 shows a second flowchart of a control method of a washing machine according to an embodiment of the present application, specifically, a process of determining a variation amount of amplitude, specifically, comprising the steps of:
step 202, obtaining a first amplitude at a first moment;
step 204, obtaining a second amplitude at a second time interval of a preset duration from the first time interval;
in step 206, the variation is determined according to the difference between the second amplitude and the first amplitude.
In the embodiment of the present application, the amplitude variation amount of the tub may be determined according to a difference in amplitude of the tub at the first time and at the second time.
Specifically, when the dehydration rotation speed is greater than the first rotation speed threshold, the first amplitude is acquired at a first moment, wherein the "first moment" can be any moment in the dehydration process or any moment, but not a fixed time point, and the specific time of the first moment is not limited by the present application.
After the first amplitude is obtained, the second amplitude is obtained at a second moment after a delay preset time, wherein the second moment can be any moment in the dehydration process or any moment, but is not a fixed time point, and the specific time of the second moment is not limited by the application.
According to the difference value of the first amplitude and the second amplitude, the variation of the amplitude of the water holding barrel in the preset time period is calculated, the dehydration rotating speed of the dehydration barrel is regulated according to the variation, and the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, so that the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and energy sources can be effectively saved.
It can be understood that the amplitude at more time points can be obtained, the amplitude difference value is calculated for a plurality of times, and the variation of the amplitude is determined according to the average value of the obtained plurality of difference values.
Example III
In some embodiments of the application, the dehydration speed is adjusted according to the variation, in particular: and controlling the dewatering barrel to increase the dewatering rotating speed according to the comparison result of the variation and the preset variation threshold.
In the embodiment of the application, the dewatering rotation speed is controlled to be increased by setting the variation threshold and according to the obtained variation of the amplitude of the water containing barrel and the comparison result of the variation threshold. Specifically, when the variation of the amplitude meets the interval of a certain variation threshold, the quality area of the current water holding barrel is considered to be stable, the dewatering effect of the current dewatering stage is judged to be met, and the dewatering rotation speed is increased at the moment, so that the washing machine enters the next dewatering stage in advance, the dewatering rotation speed of the washing machine is increased, and the dewatering time is effectively saved.
Example IV
In some embodiments of the present application, the rotation speed threshold includes a first threshold, a second threshold and a third threshold, and fig. 3 illustrates a third flowchart of a control method of a washing machine according to an embodiment of the present application, specifically, controlling the dehydration tub to increase the dehydration rotation speed according to a comparison result of the variation amount with a preset rotation speed threshold may include the following steps:
step 302, adjusting the dehydration rotating speed to be a first rotating speed under the condition that the variation is smaller than a first threshold value and larger than or equal to a second threshold value;
step 304, adjusting the dehydration rotating speed to a second rotating speed under the condition that the variation is smaller than a second threshold value and larger than or equal to a third threshold value;
and 306, adjusting the dehydration rotating speed to be a third rotating speed when the variation is smaller than the third threshold value and larger than or equal to the fourth threshold value.
Wherein the third rotational speed is greater than the second rotational speed, which is greater than the first rotational speed.
In the embodiment of the application, the rotation speeds of the first rotation speed, the second rotation speed and the third rotation speed are in an increasing trend, and when the variation is between the second threshold value and the first threshold value, the dehydration work is described as meeting the current stage, the dehydration rotation speed of the current dehydration barrel is increased to the first rotation speed, namely, the dehydration rotation speed of the dehydration barrel is controlled to be increased by one gear, and the variation of the amplitude of the water holding barrel is continuously obtained.
If the variation is further between the third threshold value and the second threshold value, the dehydration rotating speed of the dehydration barrel is continuously increased, specifically to the second rotating speed, the rotating speed gear lifting of the dehydration barrel is controlled again, and the variation of the amplitude of the water containing barrel is continuously obtained.
When the variation is smaller than the third threshold value but larger than the fourth threshold value, the dehydration rotating speed of the dehydration barrel is increased to the third rotating speed of the highest gear, and the dehydration barrel rotates at a high speed at the moment so as to ensure the final dehydration effect.
According to the embodiment of the application, whether the effect of the current dehydration stage is achieved is judged in real time according to the variation of the amplitude of the water containing bucket, and the next dehydration stage is advanced after the effect is achieved, so that the total dehydration time is reduced, and the time and energy conservation are realized.
Example five
In some embodiments of the application, the washing machine is controlled to end the spin-drying phase if the amount of change is less than a fourth threshold.
In the embodiment of the application, if the variation of the amplitude of the water containing barrel is smaller than the fourth threshold value, the quality of the water containing barrel is basically not changed, at the moment, the dewatering effect can be judged to be achieved, and the washing machine is controlled to finish the dewatering stage, so that on one hand, the dewatering time can be reduced, the time saving is realized, and on the other hand, the condition that the dewatering barrel of the washing machine continuously works under the condition that the clothes in the dewatering barrel are 'spin-dried' is avoided, and the energy sources can be saved and the mechanical loss can be reduced.
Example six
In some embodiments of the application, the washing machine is controlled to end the spin phase in the event that the spin speed is greater than a first speed threshold and the amplitude is greater than an amplitude threshold.
In the embodiment of the present application, if the dehydration rotation speed of the dehydration tub is higher than the first rotation speed threshold value while the amplitude of the tub is acquired to be greater than the preset amplitude threshold value, the dehydration stage procedure is ended. Specifically, at the beginning of the dehydration stage, the dehydration tub is operated at a lower rotational speed, and the dehydration rotational speed of the dehydration tub is gradually increased, in which process water in laundry is gradually thrown out and enters the tub, and the tub is rapidly changed in mass at this time, so that the amplitude of the tub is large.
However, as the dehydration speed increases gradually, for example, when the dehydration speed increases above the first speed threshold, it means that the dehydration process has entered a steady state in which a certain mass of water has been accumulated in the tub, and the total mass increases, so that the mass increase ratio decreases, and the amplitude of the tub should be less than the amplitude threshold. If the amplitude of the water bucket is still higher than the amplitude threshold after the dehydration rotating speed is increased to be higher than the first rotating speed threshold, the serious eccentricity of the water bucket is indicated, so that the washing machine is controlled to finish the dehydration process and the dehydration stage, thereby ensuring the use safety of the washing machine, preventing the washing machine from being damaged, avoiding the noise increase caused by the large eccentricity and being beneficial to realizing silence.
It can be appreciated that the washing machine may start the dehydration again according to the program setting after the end of the dehydration phase, or restart the dehydration after at least one rinsing phase. In some embodiments, if the eccentricity of the tub occurs continuously, a corresponding alarm prompt may be issued while recording a fault log for reference by a serviceman.
Example seven
In some embodiments of the present application, fig. 4 shows a fourth flowchart of a control method of a washing machine according to an embodiment of the present application, specifically, the control method of a washing machine further includes the steps of:
step 402, obtaining a dehydration rotating speed;
and step 404, when the dehydration rotating speed is greater than or equal to the second rotating speed threshold value and less than the first rotating speed threshold value, supplementing water to the water bucket according to the amplitude.
In the embodiment of the application, after the dehydration rotation speed is greater than the second rotation speed threshold, namely, the dehydration state is entered and the first dehydration gear is reached, if the dehydration rotation speed does not reach the first rotation speed threshold, the water holding barrel can be supplemented according to the amplitude of the water holding barrel.
Specifically, the vibration of the tub is mainly due to the mass change caused when water enters the tub, so the lighter the tub, the more remarkable the mass change, and the larger the resulting vibration amplitude. When the dehydration speed does not reach the first rotation speed threshold value at the beginning of the dehydration stage, because the dehydration stage begins at a shorter time, enough water is not accumulated in the water bucket, so the water bucket is light in weight, and the condition of overlarge amplitude easily occurs at the moment.
Therefore, the water bucket is subjected to water supplementing operation according to the amplitude of the water bucket, so that the mass of the water bucket can be effectively increased in the initial stage of dehydration, the amplitude of the water bucket is reduced, excessive noise generated by vibration of the water bucket is avoided, and mute dehydration is facilitated.
Example eight
In some embodiments of the present application, fig. 5 shows a fifth flowchart of a control method of a washing machine according to an embodiment of the present application, specifically, replenishing water to a tub according to an amplitude, comprising the steps of:
step 502, under the condition that the amplitude is larger than the amplitude threshold value, water is supplemented to the water bucket;
and 504, stopping water supplementing to the water bucket and increasing the dehydration rotating speed until the dehydration rotating speed is greater than or equal to a first rotating speed threshold value under the condition that the amplitude is smaller than the amplitude threshold value.
In the embodiment of the application, since the vibration of the tub is mainly from the mass change caused when water enters the tub, the lighter the tub, the more remarkable the mass change, and the larger the resulting vibration amplitude. When the dehydration speed does not reach the first rotation speed threshold value at the beginning of the dehydration stage, because the dehydration stage begins at a shorter time, enough water is not accumulated in the water bucket, so the water bucket is light in weight, and the condition of overlarge amplitude easily occurs at the moment.
Therefore, when the amplitude of the water holding barrel exceeds the amplitude threshold value, clean water is injected into the water holding barrel according to a certain flow through a water supplementing algorithm, so that the quality of the water holding barrel is improved, the vibration of the water holding barrel caused by the change of the quality is reduced, the excessive noise generated by the vibration of the water holding barrel is avoided, and the mute dehydration is facilitated.
When the amplitude of the water holding bucket is smaller than the amplitude threshold value, the water holding bucket is considered to be stable, excessive noise is not generated, water replenishing is stopped at the moment, the dehydration rotating speed is increased, dehydration enters the next dehydration stage, on one hand, the dehydration time is reduced, and on the other hand, energy sources can be effectively saved.
Example nine
In some embodiments of the present application, an acceleration sensor is provided on a tub to acquire an amplitude of the tub, including: acceleration information in at least three directions is acquired through an acceleration sensor, and the amplitude is determined according to the acceleration information.
In the embodiment of the present application, an acceleration sensor is provided on the tub, wherein the acceleration sensor may be provided as a MEMS (Micro-Electro-Mechanical System, micro Electro mechanical system) acceleration sensor, and particularly may be provided at the bottom of the tub. It can be understood that the acceleration sensor may be other types of acceleration sensors, the number of the acceleration sensors may be one or more, and the setting positions may be at the bottom, the side wall, etc. of the tub, which is not limited in the embodiment of the present application.
In the process of acquiring the amplitude of the tub, the first acceleration, the second acceleration and the third acceleration in three different directions are acquired through the acceleration sensor, and it is assumed that the three different directions are an x direction, a y direction and a z direction, respectively, wherein the x direction, the y direction and the z direction may be two straight line directions perpendicular to each other, and an xyz coordinate system may be established according to the x direction, the y direction and the z direction.
The acceleration sensor is used for acquiring the acceleration in the x direction, the acceleration in the y direction and the acceleration in the z direction, and the vibration amplitude in the three directions can be calculated according to the acceleration, so that the amplitude of the water holding barrel is determined, the dehydration rotating speed of the dehydration barrel is regulated according to the amplitude change of the water holding barrel, the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and the energy is effectively saved.
Examples ten
In some embodiments of the present application, the dehydration process of the washing machine includes 6 dehydration stages, each corresponding to one dehydration speed, the dehydration speeds of the 6 dehydration stages being increased step by step. Specifically, for example, the dehydration rotational speed includes the following phases:
180rpm phase, 300rpm phase, 400rpm phase, 500rpm phase, 600rpm phase and 700rpm phase.
Fig. 6 illustrates a sixth flowchart of a control method of a washing machine according to an embodiment of the present application, and in particular, a dehydration process includes:
step 602, entering a 180rpm stage;
step 604, judging whether the amplitude of the water bucket exceeds an amplitude threshold; if yes, go to step 610, otherwise go to step 606;
step 606, entering a 300rpm stage;
step 608, judging whether the amplitude of the water bucket exceeds an amplitude threshold; if yes, go to step 610, otherwise go to step 612;
step 610, make up water, enter the next stage;
step 612, entering a 400rpm stage;
step 614, determining whether the amplitude variation is smaller than a first threshold, if yes, proceeding to step 616, otherwise returning to step 612;
step 616, go to 500rpm stage;
step 618, judging whether the amplitude variation is smaller than the second threshold, if yes, proceeding to step 620, otherwise returning to step 616;
step 620, entering 600rpm stage;
step 622, determining whether the amplitude variation is smaller than a third threshold, if yes, proceeding to step 624, otherwise returning to step 620;
step 624, entering a 700rpm stage;
step 626, it is determined whether the amplitude variation is smaller than the fourth threshold, and if yes, the process ends, otherwise, the process returns to step 624.
Wherein, simultaneously with step 614, step 618, step 622 and step 626, it is synchronously determined whether the amplitude exceeds the amplitude threshold, and if the amplitude exceeds the threshold, it is directly ended.
In the embodiment of the application, the rotation speed of the dewatering barrel, namely the dewatering rotation speed, is firstly obtained in the dewatering process of the washing machine. If the dehydration rotation speed is greater than the first rotation speed threshold value, further acquiring the amplitude of the water bucket, and adjusting the dehydration rotation speed of the dehydration bucket according to the variation of the amplitude of the water bucket.
Specifically, after the washing machine enters the dehydration stage, the dehydration rotation speed gradually increases as the dehydration progresses. When the dehydration rotation speed rises to a certain threshold, specifically a first rotation speed threshold, it represents that the dehydration process has started for a period of time, and the variation of the amplitude of the water tub is acquired.
In the dehydration process, water adsorbed by clothes in the dehydration barrel is thrown out and finally falls into the water containing barrel, so that the quality of the dehydration barrel is reduced as the water of the dehydration barrel enters the water containing barrel, the quality of the water containing barrel is increased, and the quality is changed, so that movement is unbalanced, and the amplitude of the water containing barrel is unbalanced, namely, the amplitude of the water containing barrel is changed.
Therefore, the change in the mass of the tub can be observed based on the change in the amplitude of the tub. Specifically, when the amplitude of the tub is in a trend of variation, it is indicated that the quality of both the tub and the dehydrating tub is changed, and at this time, the water of the laundry in the dehydrating tub is not "spin-dried", so that the progress of the dehydration can be maintained. When the amplitude of the water holding barrel tends to be gentle, the quality of the water holding barrel and the quality of the dewatering barrel are approximately unchanged, namely, under the current dewatering rotating speed, no water enters the water holding barrel from the dewatering barrel, so that the gear of the dewatering rotating speed can be increased, the next dewatering stage can be advanced, the phenomenon that the washing machine wastes time in the current dewatering stage, namely, the current dewatering rotating speed is avoided, and the purpose of saving the dewatering time is achieved.
The rotational speeds of 400rpm, 500rpm, 600rpm and 700rpm are in an increasing trend, and under the condition that the variation is between the second threshold value and the first threshold value, the dehydration work is satisfied in the current stage, the dehydration rotational speed of the current dehydration barrel is increased to 500rpm, namely, the dehydration rotational speed of the dehydration barrel is controlled to be increased by one gear, and the variation of the amplitude of the water containing barrel is continuously obtained.
If the variation is further between the third threshold value and the second threshold value, the dehydration rotating speed of the dehydration barrel is continuously increased, specifically to 600rpm, the rotating speed gear lifting of the dehydration barrel is controlled again, and the variation of the amplitude of the water containing barrel is continuously obtained.
When the variation is smaller than the third threshold but larger than the fourth threshold, the dehydration rotating speed of the dehydration barrel is increased to 700rpm of the highest gear, and the dehydration barrel rotates at a high speed at the moment so as to ensure the final dehydration effect.
According to the embodiment of the application, whether the effect of the current dehydration stage is achieved is judged in real time according to the variation of the amplitude of the water containing bucket, and the next dehydration stage is advanced after the effect is achieved, so that the total dehydration time is reduced, and the time and energy conservation are realized.
By applying the embodiment provided by the application, after the dehydration rotating speed reaches a certain first rotating speed threshold, the dehydration rotating speed of the dehydration barrel is regulated according to the amplitude change of the water containing barrel, so that the time waste caused by the fact that the washing machine still maintains the current dehydration rotating speed according to a fixed program when the current dehydration rotating speed cannot throw more water is avoided, the dehydration time is effectively shortened, the washing and dehydration speeds of the washing machine are improved, and the energy is effectively saved.
Example eleven
In some embodiments of the present application, fig. 7 illustrates a block diagram of a washing machine according to an embodiment of the present application, and as shown in fig. 7, a washing machine 700 includes: a dewatering tub 702; a tub 704, the dehydration tub 702 being located within the tub 704; a memory 706 having stored thereon programs or instructions; the processor 708 is configured to execute a program or instructions to implement the steps of the control method of the washing machine according to any of the above embodiments, so that the washing machine includes all the advantages of the control method of the washing machine according to any of the above embodiments, and is not described herein again for avoiding repetition.
Example twelve
In some embodiments of the present application, a readable storage medium is provided, on which a program or an instruction is stored, which when executed by a processor, implements the steps of the control method of the washing machine in any of the above embodiments, and therefore, the readable storage medium includes all the advantages of the control method of the washing machine in any of the above embodiments, and is not repeated herein.
In the description of the present application, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are orientation or positional relationship based on the drawings, merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In the present application, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (8)

1. A control method of a washing machine, the washing machine including a tub and a dehydrating tub, the control method comprising:
acquiring a dehydration rotating speed of the dehydration barrel, and acquiring the amplitude of the water holding barrel under the condition that the dehydration rotating speed is larger than a first rotating speed threshold value;
determining the variation of the amplitude, and adjusting the dehydration rotating speed according to the variation;
said adjusting said dehydration rotation speed according to said variation amount includes:
controlling the dewatering barrel to increase the dewatering rotating speed according to a comparison result of the variation and a preset variation threshold;
the preset variation threshold includes a first threshold, a second threshold and a third threshold, and the dewatering drum is controlled to increase the dewatering rotation speed according to a comparison result of the variation and the preset variation threshold, specifically including:
when the variation is smaller than the first threshold value and larger than or equal to the second threshold value, the dehydration rotating speed is adjusted to be a first rotating speed;
adjusting the dehydration rotation speed to a second rotation speed when the variation is smaller than the second threshold value and larger than or equal to the third threshold value;
when the variation is smaller than the third threshold value and larger than or equal to a fourth threshold value, the dehydration rotating speed is regulated to be a third rotating speed;
wherein the third rotational speed is greater than the second rotational speed, which is greater than the first rotational speed.
2. The control method of the washing machine according to claim 1, wherein the determining the amount of change in the amplitude includes:
acquiring a first amplitude at a first moment;
acquiring a second amplitude at a second time interval of a preset duration from the first time interval;
and determining the variation according to the difference value between the second amplitude and the first amplitude.
3. The control method of a washing machine as claimed in claim 1, further comprising:
and controlling the washing machine to finish the dehydration stage in the case that the variation is smaller than the fourth threshold value.
4. A control method of a washing machine as claimed in claim 3, further comprising:
and controlling the washing machine to finish the dehydration stage under the condition that the dehydration rotating speed is larger than the first rotating speed threshold value and the amplitude is larger than a preset amplitude threshold value.
5. The control method of a washing machine as claimed in claim 4, further comprising:
when the dehydration rotating speed is smaller than the first rotating speed threshold value and the amplitude is larger than or equal to the preset amplitude threshold value, water is supplemented to the water containing bucket;
and under the condition that the dehydration rotating speed is smaller than the first rotating speed threshold value and the amplitude is smaller than the preset amplitude threshold value, stopping water supplementing of the water containing barrel and improving the dehydration rotating speed until the dehydration rotating speed is larger than or equal to the first rotating speed threshold value.
6. A control method of a washing machine according to any one of claims 1 to 3, wherein an acceleration sensor is provided on the tub, and the acquiring the amplitude of the tub includes:
and acquiring acceleration information in at least three directions through the acceleration sensor, and determining the amplitude according to the acceleration information.
7. A washing machine, comprising:
a dehydration barrel;
a tub, in which the dehydration tub is located;
a memory having stored thereon programs or instructions;
a processor for implementing the control method of the washing machine as claimed in any one of claims 1 to 6 when executing the program or instructions.
8. A readable storage medium having stored thereon a program or instructions, which when executed by a processor, implements a control method of a washing machine as claimed in any one of claims 1 to 6.
CN202011620986.4A 2020-12-30 2020-12-30 Control method of washing machine, washing machine and readable storage medium Active CN114687126B (en)

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Publication number Priority date Publication date Assignee Title
JP2006068273A (en) * 2004-09-02 2006-03-16 Matsushita Electric Ind Co Ltd Drum type washing machine
CN102425052A (en) * 2011-10-20 2012-04-25 无锡市福曼科技有限公司 Washing machine imbalance control device
CN106436146A (en) * 2015-08-05 2017-02-22 青岛海尔洗衣机有限公司 Washing machine dehydration control method and washing machine
CN110857497A (en) * 2018-08-06 2020-03-03 无锡小天鹅电器有限公司 Dehydration control method and device and clothes treatment device
CN111041770A (en) * 2019-12-05 2020-04-21 无锡飞翎电子有限公司 Clothes treatment equipment, control method and device thereof, and readable storage medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006068273A (en) * 2004-09-02 2006-03-16 Matsushita Electric Ind Co Ltd Drum type washing machine
CN102425052A (en) * 2011-10-20 2012-04-25 无锡市福曼科技有限公司 Washing machine imbalance control device
CN106436146A (en) * 2015-08-05 2017-02-22 青岛海尔洗衣机有限公司 Washing machine dehydration control method and washing machine
CN110857497A (en) * 2018-08-06 2020-03-03 无锡小天鹅电器有限公司 Dehydration control method and device and clothes treatment device
CN111041770A (en) * 2019-12-05 2020-04-21 无锡飞翎电子有限公司 Clothes treatment equipment, control method and device thereof, and readable storage medium

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