CN111254637B - Control method and control device of clothes treatment equipment - Google Patents
Control method and control device of clothes treatment equipment Download PDFInfo
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- CN111254637B CN111254637B CN202010060280.0A CN202010060280A CN111254637B CN 111254637 B CN111254637 B CN 111254637B CN 202010060280 A CN202010060280 A CN 202010060280A CN 111254637 B CN111254637 B CN 111254637B
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Abstract
The invention provides a control method and a control device of a clothes treatment device. The control method of the laundry treating apparatus includes the steps of: increasing a rotation speed of the laundry treating apparatus for a predetermined time; acquiring a rotating speed parameter of the clothes treatment equipment in real time; and when the rotating speed parameter accords with a preset rotating speed range, acquiring an eccentric parameter of the clothes treatment equipment, and adjusting the rotating speed of the clothes treatment barrel according to the eccentric parameter. The technical scheme of the invention can eliminate the condition that the rotating speed of the clothes processing equipment fluctuates greatly in the operation process, so that the eccentricity detection is more accurate, and meanwhile, the technical scheme of the invention can reduce the speed of the clothes processing barrel when the rotating speed fluctuates greatly, thereby preventing the clothes processing equipment from colliding with the barrel or shifting.
Description
Technical Field
The invention relates to the technical field of clothes treatment equipment, in particular to a control method and a control device of the clothes treatment equipment.
Background
When the clothes treatment equipment executes washing or dewatering programs and the like, the motor drives the clothes treatment barrel to rotate, so that the water and clothes are subjected to the action of centrifugal force, and the clothes are washed through the rotation and mutual impact of the water and the clothes. In the conventional high-speed washing mode, the inner tub is directly rotated to a certain speed, then the eccentricity value of the inner tub is calculated, and whether high-speed washing can be performed is determined according to the magnitude of the eccentricity value. However, if the inner tub is accelerated from zero to a certain rotation speed directly, the rotation speed fluctuation is large in a short time due to the interaction between water flow and clothes, and then the rotation speed fluctuation is gradually stabilized, so that eccentric data are mainly acquired in a time period with large rotation speed fluctuation at present, and the acquired eccentric data cause data instability, influence the accuracy and stability of eccentric calculation, and further influence high-speed washing.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems.
To this end, a first object of the present invention is to provide a control method of a laundry treating apparatus.
A second object of the present invention is to provide a control device of a laundry treating apparatus.
To achieve the first object of the present invention, an embodiment of the present invention provides a control method of a laundry treating apparatus, including the steps of: increasing a rotation speed of the laundry treating apparatus for a predetermined time; acquiring a rotating speed parameter of the clothes treatment equipment in real time; and when the rotating speed parameter accords with a preset rotating speed range, acquiring an eccentric parameter of the clothes treatment equipment, and adjusting the rotating speed of the clothes treatment barrel according to the eccentric parameter.
In the embodiment, the rotation speed of the clothes treatment device is increased within the predetermined time, so that the rotation speed of the clothes treatment device reaches the target rotation speed, and since the rotation speed value of the clothes treatment device is unstable and fluctuates after the target rotation speed is reached, the rotation speed parameter of the clothes treatment device needs to be acquired in real time, and whether the rotation speed parameter of the clothes treatment device meets the predetermined rotation speed range or not is judged. When the rotating speed parameter is within the preset rotating speed range, the eccentricity parameter of the clothes treatment equipment is further acquired, so that the rotating speed of the clothes treatment barrel is adjusted according to the eccentricity parameter. Therefore, in the present embodiment, before the eccentricity parameter detection is performed on the laundry treatment apparatus, the rotation speed of the laundry treatment apparatus is within a reasonable range, that is, the laundry treatment apparatus maintains a stable operation state, so that the influence of the rotation fluctuation on the eccentricity parameter calculation can be reduced. Therefore, the embodiment can ensure the accuracy and stability of the data or results obtained during the detection of the eccentric parameters. Therefore, the embodiment can accurately detect the eccentricity of the clothes treatment equipment so as to achieve the aim of timely correcting the eccentricity and effectively avoiding the problem that the clothes treatment equipment collides a barrel or shifts.
In addition, the technical solution provided by the above embodiment of the present invention may further have the following additional technical features:
in the above technical solution, the rotation speed parameter conforms to a predetermined rotation speed range, and specifically includes: during the first time period, the speed parameter is less than the first speed threshold.
After the clothes treatment equipment reaches the target rotating speed, the rotating speed of the clothes treatment barrel is unstable and cannot be always at the target rotating speed, and the rotating speed parameter of the clothes treatment equipment can continuously fluctuate up and down, so that in a first time period after the target rotating speed is reached, when the rotating speed parameter is judged to be smaller than a first rotating speed threshold value, the running state of the washing equipment is relatively stable, and relatively accurate and stable eccentric parameters can be acquired under the state. The first rotation speed threshold is the maximum rotation speed threshold of the laundry treatment tub at the target rotation speed, and if the first rotation speed threshold is exceeded, the laundry treatment tub is damaged or affected. Through the technical scheme of this embodiment, can guarantee to carry out eccentric parameter detection under the relatively less or reasonable prerequisite of rotational speed fluctuation, guarantee the data acquisition accuracy degree when eccentric parameter gathers from this.
In any of the above technical solutions, the rotation speed parameter conforms to a predetermined rotation speed range, and specifically further includes: and in the second time period, the rotating speed parameter is less than or equal to the second rotating speed threshold value and greater than or equal to the third rotating speed threshold value.
The present embodiment further determines whether the rotation speed parameter is within the range of the third rotation speed threshold value and the second rotation speed threshold value in the second period of time, on the basis of determining that the rotation speed parameter is smaller than the first rotation speed threshold value. The second rotation speed threshold is an upper limit rotation speed threshold of the rotation speed parameter, namely a fluctuation upper limit value of the clothes processing barrel after the first time period with larger rotation speed fluctuation is passed, and if the second rotation speed threshold is exceeded, the long-term operation of the clothes processing barrel at the rotation speed is influenced, so that the clothes processing barrel is easily damaged; the third rotation speed threshold is a lower limit rotation speed threshold of the rotation speed parameter, namely, a rotation speed lower limit value of the clothes processing barrel after passing a first time period with larger rotation speed fluctuation. The second rotational speed threshold is greater than the third rotational speed threshold. On the basis of ensuring that the rotating speed parameter does not exceed the maximum rotating speed threshold value, the embodiment further ensures that the upper and lower fluctuation degrees of the rotating speed parameter do not exceed the preset upper and lower limits. Namely: the embodiment can further ensure that the data acquisition and detection of the eccentric parameters are carried out under the condition that the clothes processing barrel operates stably. The second period is at the rear side of the first period on the time axis.
In any of the above technical solutions, after obtaining the rotation speed parameter of the laundry processing tub, the control method further includes: and controlling the clothes treatment equipment to decelerate when the rotating speed parameter does not accord with the preset rotating speed range.
The embodiment can timely adjust the running state of the clothes processing equipment when the rotating speed parameter does not accord with the preset rotating speed range. By controlling the deceleration of the clothes processing equipment, the purposes of inhibiting and reducing the fluctuation degree in time and ensuring the accuracy of the detection result of the eccentric parameter can be achieved.
In any of the above technical solutions, the adjusting the rotation speed of the laundry treating tub according to the eccentric parameter specifically includes: and controlling the clothes treatment device to decelerate when the eccentricity parameter is greater than a first eccentricity threshold value.
When the eccentricity parameter is greater than the first eccentricity threshold, it indicates that the laundry treatment apparatus has an eccentricity problem and is relatively large in the current operation state, and the laundry treatment tub is easily damaged and may be hit. In order to avoid the eccentricity problem becoming more serious, it is not suitable to further adjust or increase the rotation speed of the clothes treating apparatus, such as the rotation speed of the clothes treating tub, and the clothes treating tub should be decelerated to correct the eccentricity in time. Therefore, through the embodiment, the eccentricity problem of the clothes treatment equipment can be effectively adjusted in time, and the phenomenon that the clothes treatment equipment collides with a barrel or is displaced is avoided.
In any of the above technical solutions, the adjusting the rotation speed of the laundry treating tub according to the eccentric parameter specifically includes: and controlling the clothes processing barrel to accelerate to a first washing rotating speed when the eccentricity parameter is less than or equal to the first eccentricity threshold value and greater than the second eccentricity threshold value.
When the eccentricity parameter is less than or equal to the first eccentricity threshold and greater than the second eccentricity threshold, it indicates that the rotation speed of the laundry treatment tub can be appropriately increased under the current operation state of the laundry treatment apparatus, so that the laundry treatment apparatus enters a relatively high-speed washing mode, thereby reasonably and appropriately improving the working efficiency and the washing degree of the laundry treatment apparatus on the premise that the eccentricity degree is relatively low. The second eccentricity threshold is less than the first eccentricity threshold. When exceeding the second eccentric threshold value, the clothing is handled the bucket and can be carried out higher speed washing to be difficult to handle the bucket and cause the damage to the clothing, and when less than or equal to the second eccentric threshold value, the clothing is handled the bucket and can be carried out higher speed washing, and can not cause the damage to the clothing is handled the bucket, and can avoid hitting the emergence of phenomenon such as bucket.
In any of the above technical solutions, the adjusting the rotation speed of the laundry treating tub according to the eccentric parameter specifically includes: and when the eccentricity parameter is less than or equal to the second eccentricity threshold value and greater than zero, controlling the clothes treatment barrel to accelerate to a second washing rotating speed.
When the eccentricity parameter is less than or equal to the second eccentricity threshold and greater than zero, it indicates that the rotation speed of the laundry treatment tub can be increased relatively more in the current operation state of the laundry treatment apparatus, so that the laundry treatment apparatus enters a higher-speed washing mode, thereby further improving the work efficiency and the washing degree of the laundry treatment apparatus on the premise that there is no eccentricity problem or the eccentricity degree is lower. The second washing rotation speed is greater than the first washing rotation speed.
In any of the above technical solutions, the rotation speed parameter is a rotation speed of the laundry treating tub.
By adopting the rotating speed of the clothes processing barrel as a rotating speed parameter, the fluctuation degree of the clothes processing equipment can be effectively measured. The rotation speed of the laundry treating tub is easy to detect, and the fluctuation degree of the laundry treating apparatus can be accurately characterized.
In any of the above technical solutions, the eccentricity parameter is an average value of the rotation speed fluctuation parameter.
When the eccentricity problem occurs in the laundry treating apparatus, the laundry treating tub may be fluctuated abnormally accordingly. Therefore, the average value of the rotating speed fluctuation parameters is used as the eccentricity parameter, so that the eccentricity degree of the clothes treatment equipment can be quickly and accurately acquired, the running state of the clothes treatment equipment can be adjusted in time, and the barrel collision or the displacement is effectively avoided.
To achieve the second object of the present invention, an embodiment of the present invention provides a control device of a laundry treating apparatus, including: a memory storing a computer program; a processor executing a computer program; wherein the processor, when executing the computer program, implements the steps of the control method of the laundry treating apparatus according to any one of the embodiments of the present invention.
The control device apparatus of a laundry treatment apparatus according to an embodiment of the present invention implements the steps of the control method of a laundry treatment apparatus according to any embodiment of the present invention, and thus has all the advantages of the steps of the control method of a laundry treatment apparatus according to any embodiment of the present invention, which are not described herein again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of a first step of a control method of a laundry treating apparatus according to one embodiment of the present invention;
fig. 2 is a flowchart illustrating a second step of a control method of a laundry treating apparatus according to an embodiment of the present invention;
fig. 3 is a flow chart illustrating a third step of a control method of a laundry treating apparatus according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a fourth step of a control method of a laundry treating apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view of a system composition of a laundry treating apparatus according to an embodiment of the present invention;
fig. 6 is a system composition diagram of a control device of a laundry treating apparatus according to an embodiment of the present invention;
FIG. 7 is a graph illustrating the variation of the rotation speed of the laundry treating tub according to one embodiment of the present invention;
FIG. 8 is a graphical illustration of the relationship of the first rotational speed threshold, the second rotational speed threshold, and the third rotational speed threshold in accordance with one embodiment of the present invention;
fig. 9 is a flowchart illustrating a fifth step of a control method of a laundry treating apparatus according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 5 and 6 is:
100: laundry treatment apparatus, 102: laundry treating tub, 104: laundry treating tub driving motor, 106: motor controller, 200: control device of laundry treating apparatus, 202: memory, 204: a processor.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical solutions of some embodiments of the present invention are described below with reference to fig. 1 to 9.
The embodiment of the invention provides a control method and a control device of some clothes treatment equipment. Among others, embodiments of the present invention are directed to effectively avoid the problem of tub collision or displacement of a laundry treating apparatus.
In particular, the problem of tub collision or displacement is caused by eccentricity of the laundry treating tub during operation of the laundry treating apparatus. Among them, when the rotation speed of the laundry treating tub is too high, or the rotation speed is increased too fast, or the laundry in the laundry treating tub is too much or too heavy, the laundry treating tub may be eccentric. The embodiment of the invention aims to accurately detect the eccentricity degree of the clothes processing barrel so as to achieve the aim of avoiding the clothes processing equipment from colliding with the barrel or shifting.
Example 1
As shown in fig. 1, the present embodiment provides a control method of a laundry treating apparatus, including the steps of:
step S102, increasing the rotating speed of the clothes treatment equipment within a preset time;
s104, acquiring a rotating speed parameter of the clothes processing equipment in real time;
and S106, when the rotating speed parameter accords with a preset rotating speed range, acquiring an eccentric parameter of the clothes treatment equipment, and adjusting the rotating speed of the clothes treatment barrel according to the eccentric parameter.
In step S102, the rotation speed of the laundry treatment apparatus is increased within a predetermined time to reach the target rotation speed, the predetermined time is set, for example, the rotation speed of the laundry treatment tub is increased from zero to 40rpm, or the rotation speed of the laundry treatment tub is increased from 40rpm to 60rpm, and so on, until the rotation speed of the laundry treatment tub reaches the target rotation speed, and in other embodiments, the rotation speed of the motor may be used as a parameter for adjustment. The operation of increasing the rotation speed of the clothes treating apparatus according to the embodiment may be performed when the clothes treating apparatus performs a washing process, or may be performed when the clothes treating apparatus performs other processes such as dehydration or drying. The predetermined time corresponds to a target rotation speed, that is, the predetermined time is a time required for the rotation speed of the laundry treatment apparatus to accelerate to the target rotation speed, wherein the target rotation speed may be a washing rotation speed, or may be other rotation speeds, such as a rotation speed suitable for detecting a rotation speed parameter or an eccentricity parameter of the laundry treatment tub.
In step S104, the target rotation speed may be set by a person skilled in the art according to actual conditions or actual needs, for example, the target rotation speed is set to 80rpm or 100 rpm. The rotation speed parameter can be the rotation speed of the clothes processing barrel or the rotation speed of the motor, the eccentricity parameter is a parameter for measuring the eccentricity condition of the clothes processing barrel, and the eccentricity parameter can be obtained according to the rotation speed fluctuation condition of the clothes processing barrel in the rotation process or the torque fluctuation condition of the driving motor of the clothes processing barrel and other parameters. Wherein, the rotation speed fluctuation condition of the clothes processing barrel in the rotation process or the torque fluctuation condition of the driving motor of the clothes processing barrel can be detected by a vibration sensor or an acceleration sensor and the like.
In step S106, adjusting the rotation speed of the laundry treating drum includes increasing the rotation speed of the laundry treating drum to enable the laundry treating apparatus to enter a high rotation speed washing mode, or decreasing the rotation speed of the laundry treating drum to enable the laundry treating apparatus to restart after entering a low rotation speed washing mode or after stopping rotation, so as to achieve the purpose of correcting eccentricity.
The purpose of this embodiment is to determine the fluctuation of the laundry treatment tub according to the rotation speed parameter of the laundry treatment tub before performing eccentricity detection, perform eccentricity detection again when the rotation speed is within a predetermined range, and remove the error of large rotation fluctuation, so as to accurately and timely find the eccentricity of the laundry treatment tub, thereby preventing the laundry treatment apparatus from colliding with the tub or shifting, and particularly ensuring that the laundry treatment apparatus can smoothly operate in a high-rotation-speed washing mode. The present embodiment can achieve the above object for the following reasons.
First, the present embodiment obtains the rotation speed parameter of the laundry processing tub, obtains the eccentricity parameter of the laundry processing apparatus when the rotation speed parameter conforms to the predetermined rotation speed range, and adjusts the rotation speed of the laundry processing tub according to the eccentricity parameter, so that the present embodiment can avoid the problem of severe overturn or impact of the load in the laundry processing tub caused by increasing the rotation speed of the laundry processing tub in an eccentric state, thereby effectively avoiding the laundry apparatus from hitting the tub or shifting.
Furthermore, since the eccentric parameter of the laundry treating apparatus is obtained only when the rotation speed parameter conforms to the predetermined rotation speed range, the laundry treating tub is in a stable operation state during data acquisition of the eccentric parameter, thereby ensuring accuracy and stability of the obtained eccentric parameter.
Finally, the present embodiment adjusts the rotation speed of the laundry treating tub according to the eccentricity parameter. The clothes treatment barrel is directly adjusted according to the eccentric parameters, so that the problem of low adjustment reaction speed caused by the technical scheme that the main controller and the motor controller are matched with each other can be avoided, and especially, the clothes treatment equipment can be timely and quickly intercepted and protected when abnormal rotating speed fluctuates.
Example 2
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of embodiment 1 described above, this embodiment further includes the following technical features.
The rotating speed parameter accords with a preset rotating speed range, and specifically comprises the following steps: during the first time period, the speed parameter is less than the first speed threshold.
The specific value of the first rotation speed threshold can be selected and adjusted by those skilled in the art according to the actual situation. For example, the first rotational speed threshold may be set to 100rpm or 110 rpm.
When the rotating speed parameter does not exceed the first rotating speed threshold value, the fluctuation degree of the rotating speed of the clothes processing equipment is indicated to be within an acceptable range, the clothes processing equipment operates relatively stably, therefore, the current rotating speed of the clothes processing barrel can be maintained, and further the next detection of the rotating speed parameter is carried out. When the rotating speed parameter is judged to exceed the first rotating speed threshold value, the fact that the clothes processing equipment needs to be subjected to speed reduction processing at the moment is indicated, for example, the rotating speed of the clothes processing barrel is reduced or directly adjusted to be zero, fluctuation is restrained or reduced, and the accuracy degree of results when the rotating speed parameter is obtained is guaranteed.
Example 3
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of embodiment 2 described above, this embodiment further includes the following technical features.
The rotating speed parameter accords with the preset rotating speed range, and the method specifically comprises the following steps: and in the second time period, the rotating speed parameter is less than or equal to the second rotating speed threshold value and greater than or equal to the third rotating speed threshold value.
In other words, in the present embodiment, the determination index for determining whether the rotation speed parameter meets the predetermined rotation speed range is two. First, it is necessary to confirm that the speed parameter is less than the first speed threshold during the first time period. Furthermore, it is necessary to confirm that the rotation speed parameter is less than or equal to the second rotation speed threshold and greater than or equal to the third rotation speed threshold in the second time period. The second time period is subsequent to the first time period.
Wherein the first rotation speed threshold is a threshold of a maximum rotation speed that the laundry treating tub can allow for in a short period after reaching the target rotation speed. The second rotating speed threshold and the third rotating speed threshold are respectively the rotating speed upper limit value and the rotating speed lower limit value of the clothes processing barrel which tend to be in a stable time period (second time period) after reaching the target rotating speed, the upper and lower change stability degrees of the rotating speed parameters are represented by the two threshold values, and the second rotating speed threshold is larger than the third rotating speed threshold. The magnitude of the second rotational speed threshold and the third rotational speed threshold can be selected or adjusted by those skilled in the art according to actual needs. For example, the first rotation speed threshold may be set to 110rpm, and the second rotation speed threshold and the third rotation speed threshold may be set to 90rpm and 70rpm, respectively.
In the embodiment, on the basis of determining that the maximum value of the rotation speed parameter is in the range of the first rotation speed threshold value in the first time period, the upper and lower floating values of the rotation speed parameter are further ensured to be in the ranges of the second rotation speed threshold value and the third rotation speed threshold value. And when the amplitude of the upper and lower rotating speeds of the clothes treatment equipment is relatively reasonable, controlling the clothes treatment barrel to continuously operate at the current rotating speed, and acquiring the eccentric parameters of the clothes treatment equipment. When the upper and lower rotating speed parameters of the clothes treatment equipment exceed the reasonable degree, the clothes treatment barrel is controlled to reduce the speed, such as directly reducing the speed to zero, so as to ensure the accuracy degree of the acquisition result when the eccentric parameter acquisition is carried out.
In addition, it should be noted that the present embodiment may perform the above determining steps multiple times. Specifically, when the rotation speed parameter is determined to be less than the first rotation speed threshold value in the first time period, it is continuously determined whether the rotation speed parameter is less than or equal to the second rotation speed threshold value and greater than or equal to the third rotation speed threshold value in the second time period. When the rotating speed parameter is judged to be less than or equal to the second rotating speed threshold value and greater than or equal to the third rotating speed threshold value in the second time period, the rotating speed of the clothes processing barrel of the clothes processing equipment can be increased, and the steps are repeated until the clothes processing barrel reaches the required washing rotating speed.
Example 4
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
After acquiring the rotation speed parameter of the clothes treatment equipment, the control method further comprises the following steps: and controlling the clothes treatment equipment to decelerate when the rotating speed parameter does not accord with the preset rotating speed range.
Wherein, controlling the deceleration of the laundry treating apparatus means: the method includes reducing a rotational operation speed of a laundry treating tub or a motor of the laundry treating apparatus, or directly adjusting the rotational operation speed of the laundry treating tub or the motor to zero. The purpose of controlling the deceleration of the clothes processing equipment is to restrain or reduce the fluctuation degree of the clothes processing barrel so as to avoid influencing the accuracy degree of the obtained parameters when the eccentric parameters are obtained due to the overlarge fluctuation degree of the clothes processing barrel.
After the step of controlling the clothes treatment device to decelerate is executed, the steps of increasing the rotation speed of the clothes treatment device to the target rotation speed and obtaining the rotation speed parameter of the clothes treatment device are executed again, whether the rotation speed parameter accords with the preset rotation speed range is judged again, until the rotation speed parameter accords with the preset rotation speed range is judged, the eccentric parameter of the clothes treatment device is obtained, and the rotation speed of the clothes treatment barrel is adjusted according to the eccentric parameter.
Example 5
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The method for adjusting the rotating speed of the clothes treatment equipment according to the eccentricity parameters comprises the following steps: and controlling the clothes treatment device to decelerate when the eccentricity parameter is greater than a first eccentricity threshold value.
The value of the first eccentricity threshold can be selected or adjusted by those skilled in the art according to actual needs, such as setting the first eccentricity threshold at 45rpm or 50 rpm. When the eccentricity parameter is larger than the first eccentricity threshold value, the eccentricity problem is indicated to occur when the clothes treatment device is in the current operation state. Since the eccentricity problem has occurred, in order to avoid the eccentricity problem becoming more serious, the present embodiment controls the deceleration of the laundry treating apparatus in this state to achieve the purpose of timely correcting the eccentricity.
Example 6
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The method for adjusting the rotating speed of the clothes processing barrel according to the eccentric parameter specifically comprises the following steps: and controlling the clothes treatment equipment to accelerate to a first washing rotating speed when the eccentricity parameter is less than or equal to the first eccentricity threshold value and greater than the second eccentricity threshold value.
Wherein the second eccentricity threshold can be selected or adjusted by those skilled in the art according to actual needs, such as setting the second eccentricity threshold to 35rpm or 40 rpm. When the eccentricity parameter is less than or equal to the first eccentricity threshold and greater than the second eccentricity threshold, it indicates that the eccentricity problem can still be within a reasonable or controllable degree under the current operation state of the laundry treatment apparatus. Therefore, the present embodiment controls the laundry treating tub to appropriately increase the rotation speed in this state to enter or approach a relatively high speed washing mode, thereby reasonably and appropriately improving the working efficiency and the washing degree of the laundry treating apparatus.
Example 7
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The method for adjusting the rotating speed of the clothes processing barrel according to the eccentric parameter specifically comprises the following steps: and controlling the clothes treatment equipment to accelerate to a second washing rotating speed when the eccentricity parameter is less than or equal to a second eccentricity threshold value and is greater than zero.
When the eccentricity parameter is less than or equal to the second eccentricity threshold and greater than zero, it indicates that the eccentricity problem does not occur or the eccentricity degree is small in the current operation state of the laundry treating apparatus. Therefore, the present embodiment controls the laundry treating apparatus to accelerate to the second washing speed in this state, wherein the second washing speed is greater than the first washing speed. The embodiment can enable the clothes treatment equipment to enter a higher-speed washing mode on the premise of no eccentricity problem or lower eccentricity degree, thereby further improving the working efficiency and the washing degree of the clothes treatment equipment.
Example 8
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The rotation speed parameter is the rotation speed of the laundry treating tub.
Of course, it is one of the optional embodiments of this embodiment to adopt the rotation speed parameter as the rotation speed value of the laundry processing drum, and the rotation speed value is the rotation speed of the laundry processing drum rotating for one circle.
The rotation speed value of the clothes processing barrel is easy to detect, and the fluctuation degree of the clothes processing equipment can be effectively measured.
Example 9
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
The eccentricity parameter is the average value of the rotating speed fluctuation parameter delta w.
When the eccentricity problem occurs in the laundry treating apparatus, the laundry treating tub may be fluctuated abnormally accordingly. Therefore, the average value of the rotating speed fluctuation parameter delta w is used as an eccentric parameter, the rotating speed fluctuation parameter delta w is obtained by subtracting the rotating speed minimum value from the rotating speed maximum value when the clothes processing barrel rotates for one circle, and the rotating speed fluctuation parameter can quickly and accurately acquire the eccentric degree of the clothes processing equipment so as to adjust the running state of the clothes processing equipment in time and effectively avoid barrel collision or displacement.
The eccentricity parameter of the present embodiment is specifically obtained in the following manner. In this embodiment, the eccentricity parameter and the rotation speed fluctuation parameter satisfy the following relationship: OOB ═ f (Δ w); wherein OOB is an eccentricity parameter, and f (delta w) is an average value of the rotation speed fluctuation parameters. The eccentricity parameter is measured by the average value of the rotating speed fluctuation parameter so as to directly and quickly adjust the driving motor of the clothes processing barrel or the clothes processing barrel according to the actual requirement, thereby achieving the purpose of quickly finding and correcting the eccentricity.
The detection mode of the average value of the rotating speed fluctuation parameters is as follows: acquiring the total number of rotations of the clothes treatment barrel and the single-circle rotation speed fluctuation value of the clothes treatment barrel during each circle of rotation; dividing the sum of the single-turn rotating speed fluctuation values by the total number of turns to obtain an average value of the rotating speed fluctuation parameters; wherein, the single-circle rotating speed fluctuation value is the difference between the highest rotating speed and the lowest rotating speed of the clothes processing barrel during each circle of rotation.
Specifically, the average value of the eccentricity parameter and the rotation speed parameter satisfies the following relationship: OOB ═ f ([ delta ] w) ═ f [ ([ delta ] w1+ [ delta ] w2+ [ delta ] w3+ … … … … + [ delta ] wn)/n ]; wherein OOB is an eccentricity parameter, Δ w is an average value of rotation speed fluctuation parameters, and Δ w1, Δ w2, Δ w3 to Δ wn are single-turn rotation speed fluctuation values of the laundry processing tub when performing the first, second, and third to nth turns of rotation, respectively. The single-turn ripple value is the difference between the subtraction of the highest and lowest rotational speed values for each revolution.
Example 10
The embodiment provides a control method of a laundry treating apparatus. In addition to the technical features of any of the above embodiments, the present embodiment further includes the following technical features.
As shown in fig. 2, the step of increasing the rotation speed of the laundry treating tub of the laundry treating apparatus to the target rotation speed within the predetermined time specifically includes: step S202, increasing the rotation speed of the clothes processing barrel from a first rotation speed to a second rotation speed. The step of obtaining the rotation speed parameter of the clothes processing barrel specifically comprises the following steps: and S204, acquiring the rotating speed parameters in real time at the second rotating speed.
In step S202, the first rotation speed may be a lower rotation speed, such as 20rpm or 10 rpm. The first rotation speed may also be 0 rpm. The second rotation speed is higher than the first rotation speed, and the specific value of the second rotation speed can be selected and adjusted by a person skilled in the art according to actual conditions. For example, the second rotation speed may be set to 60rpm or 80 rpm.
In step S204, the rotation speed parameter is obtained as a rotation speed parameter of the rotation speed of the laundry processing tub, or as a rotation speed parameter of the torque of the driving motor of the laundry processing tub.
In some embodiments of this embodiment, it is determined whether the rotation speed parameter meets a predetermined rotation speed range.
As shown in fig. 3, the present embodiment first determines whether the rotation speed parameter is smaller than the first rotation speed threshold value by the following steps.
S302, performing primary detection on the rotating speed parameter in a first time range and obtaining a primary detection result;
s304, judging the size relation between the rotating speed parameter and a first rotating speed threshold value;
when the determination result is that the rotating speed parameter is less than the first rotating speed threshold value, executing step S306, and when the determination result is that the rotating speed parameter is greater than or equal to the first rotating speed threshold value, executing step S308;
s306, maintaining the rotating speed of the clothes processing barrel to be a second rotating speed;
step S308, the rotating speed of the clothes processing barrel is reduced from the second rotating speed to the first rotating speed, and the step of increasing the rotating speed of the clothes processing barrel from the first rotating speed to the second rotating speed is executed again.
As shown in fig. 4, when it is determined that the rotation speed parameter is smaller than the first rotation speed threshold value in the first time period, the two-stage detection is further performed, that is: and judging whether the rotating speed parameter is less than or equal to the second rotating speed threshold value and greater than or equal to the third rotating speed threshold value.
S402, performing secondary detection on the rotating speed parameter in a second time range and obtaining a secondary detection result;
s404, judging the size relation between the rotating speed parameter and a second rotating speed threshold value and a third rotating speed threshold value;
when the determination result is that the rotation speed parameter is less than or equal to the second rotation speed threshold and greater than or equal to the third rotation speed threshold, step S406 is executed, and when the determination result is that the rotation speed parameter is greater than the second rotation speed threshold or less than the third rotation speed threshold, step S408 is executed;
s406, maintaining the rotating speed of the clothes processing barrel to be a second rotating speed, and acquiring an eccentric parameter of the clothes processing equipment;
step S408, the rotating speed of the clothes processing barrel is reduced from the second rotating speed to the first rotating speed, and the step of increasing the rotating speed of the clothes processing barrel from the first rotating speed to the second rotating speed is executed again.
For example, the first rotation speed may be set to 0rpm, the second rotation speed may be set to 80rpm, and the third rotation speed may be set to 90 rpm. The first rotational speed threshold value was set at 110rpm, the second rotational speed threshold value was set at 90rpm, and the third rotational speed threshold value was set at 70 rpm.
In addition, in some embodiments of the present invention, the above steps may be repeatedly performed at least twice. And, when the last time the above steps are performed, when the rotation speed parameter conforms to the predetermined rotation speed range, acquiring the eccentricity parameter of the laundry treating apparatus, and adjusting the rotation speed of the laundry treating tub according to the eccentricity parameter. In the process of executing the steps again, the values of the first rotating speed threshold value, the second rotating speed threshold value and the third rotating speed threshold value can be properly increased so as to be matched with the current rotating speed of the clothes processing barrel.
Example 11
As shown in fig. 5, the present embodiment provides a laundry treating apparatus 100 including: a laundry treating tub 102 and a laundry treating tub driving motor 104. The laundry treating tub driving motor 104 is adapted to drive the laundry treating tub 102 to rotate. A motor controller 106 adapted to control the laundry treating tub driving motor 104. Wherein the motor controller 106 implements the steps of the control method of the laundry treating apparatus according to any one of the embodiments of the present invention to adjust the rotation speed of the laundry treating tub 102.
Example 12
As shown in fig. 6, the present embodiment provides a control device 200 of a laundry treating apparatus, including: a memory 202 and a processor 204. The memory 202 stores a computer program. The processor 204 executes computer programs. Wherein the processor 204, when executing the computer program, implements the steps of the control method of the laundry treatment apparatus according to any of the embodiments of the present invention.
Example 13
The present embodiments provide a computer-readable storage medium, comprising: the computer readable storage medium stores a computer program which, when executed, implements the steps of a control method of a laundry treatment apparatus according to any one of the embodiments of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
This implementationProvided is a control method of a laundry treating apparatus. Wherein, the following steps of the embodiment refer to the time period and the rotating speed step w1To w4In accordance with the time period and the rotation speed step shown in fig. 7, the magnitude relationship of the first rotation speed threshold, the second rotation speed threshold, and the third rotation speed threshold referred to in the following steps of the present embodiment is shown in fig. 8.
As shown in fig. 9, the present embodiment provides a control method of a laundry treating apparatus, which specifically includes the following steps.
Step S902. from 0 to t1In the time period of (1), the rotating speed of the clothes processing barrel is accelerated to a first rotating speed step value w from zero rotating speed1；
After step S902 is executed, step S904 is continuously executed;
step S904. at t1To t2Setting a first rotation speed threshold value in the time period, and detecting a rotation speed parameter of the clothes processing barrel;
wherein, when step S904 is executed, step S906 is synchronously executed;
s906, judging the size relation between the rotating speed parameter and a first rotating speed threshold value;
if the rotation speed parameter is less than or equal to the first rotation speed threshold, then step S908 is executed, and if the rotation speed parameter is greater than or equal to the first rotation speed threshold, then step S910 is executed;
step S908, stabilizing the rotating speed of the clothes processing barrel at a first rotating speed step value w1；
After step S908, step S912 is executed;
step S910, trying again after the rotating speed of the clothes processing barrel is reduced to zero;
after step S910 is executed, step S902 is continuously executed;
step S912. at t2To t3Setting a second rotating speed threshold value and a third rotating speed threshold value in the time period of (2), and detecting a rotating speed parameter of the clothes processing barrel;
wherein, when step S912 is executed, step S914 is synchronously executed;
s914, judging the size relationship between the rotating speed parameter and the second rotating speed threshold value and the third rotating speed threshold value;
if the rotation speed parameter is less than or equal to the second rotation speed threshold and greater than or equal to the third rotation speed threshold, then step S916 is executed, and if the rotation speed parameter is greater than the second rotation speed threshold or less than the third rotation speed threshold, then step S910 is executed;
step S916. at t3To t4The rotating speed of the clothes processing barrel is controlled by a first rotating speed step value w in the time period1Accelerating to the second rotation speed step value w2；
After step S916, step S918 is executed continuously;
step S918. at t4To t5Setting a higher first rotation speed threshold value in the time period of (2), and detecting a rotation speed parameter of the clothes processing barrel;
wherein, when step S918 is executed, step S920 is synchronously executed;
s920, judging the size relation between the rotating speed parameter and a higher first rotating speed threshold value;
if the rotation speed parameter is less than or equal to the higher first rotation speed threshold, executing step S922, and if the rotation speed parameter is greater than or equal to the higher first rotation speed threshold, executing step S910;
step S922, stabilizing the rotating speed of the clothes processing barrel at a second rotating speed step value w2；
After step S922 is executed, step S924 continues to be executed;
step S924. at t5To t6Setting a higher second rotation speed threshold value and a higher third rotation speed threshold value in the time period of (2), and detecting the rotation speed parameter of the clothes processing barrel;
wherein, when executing step S924, synchronously executing step S926;
s926, judging the size relation between the rotating speed parameter and a higher second rotating speed threshold value and a higher third rotating speed threshold value;
if the rotation speed parameter is less than or equal to the second higher rotation speed threshold and greater than or equal to the third higher rotation speed threshold, then step S928 is executed, and if the rotation speed parameter is greater than the second higher rotation speed threshold or less than the third higher rotation speed threshold, then step S910 is executed;
step S928. at t5To t6In the time period, acquiring the eccentricity parameter of the clothes processing equipment, and adjusting the rotating speed of the clothes processing barrel according to the eccentricity parameter.
Wherein, the mode of adjusting the rotating speed of the clothes processing barrel is as follows: and when the eccentricity parameter is greater than the first eccentricity threshold value, controlling the clothes processing barrel to decelerate to zero. When the eccentricity parameter is less than or equal to the first eccentricity threshold and greater than the second eccentricity threshold, controlling the laundry treating tub to accelerate to the first washing speed (i.e. the third speed step value w in fig. 7)3). When the eccentricity parameter is less than or equal to the second eccentricity threshold and greater than zero, controlling the laundry treating tub to accelerate to the second washing speed (i.e. the fourth speed step value w in fig. 7)4). Wherein the second washing rotation speed is greater than the first washing rotation speed.
In summary, the embodiment of the invention has the following beneficial effects:
1. the embodiment can effectively avoid the severe overturn or impact of the load in the clothes processing barrel, thereby effectively avoiding the barrel collision or displacement.
2. The acquisition of the eccentric parameters is carried out when the clothes processing barrel keeps a stable running state, so that the accuracy of the acquisition result of the eccentric parameters can be ensured.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 invention. In this specification, the schematic representations of the terms used above 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 is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A control method of a laundry treating apparatus, comprising the steps of:
increasing a rotation speed of the laundry treating apparatus for a predetermined time;
acquiring a rotating speed parameter of the clothes treatment equipment in real time;
when the rotating speed parameter accords with a preset rotating speed range, acquiring an eccentric parameter of the clothes treatment equipment, and adjusting the rotating speed of the clothes treatment barrel according to the eccentric parameter;
the rotating speed parameter accords with a preset rotating speed range, and specifically comprises the following steps:
during a first time period, the rotation speed parameter is smaller than a first rotation speed threshold value;
in a second time period, the rotating speed parameter is smaller than or equal to a second rotating speed threshold value and larger than or equal to a third rotating speed threshold value.
2. The control method of a laundry treating apparatus according to claim 1, wherein after the obtaining of the rotation speed parameter of the laundry treating tub, the control method further comprises:
and when the rotating speed parameter does not accord with a preset rotating speed range, controlling the clothes treatment equipment to decelerate.
3. The control method of a laundry treatment apparatus according to claim 1 or 2, wherein said adjusting the rotation speed of the laundry treatment tub according to the eccentricity parameter comprises:
controlling the laundry treating apparatus to decelerate when the eccentricity parameter is greater than a first eccentricity threshold.
4. The control method of a laundry treatment apparatus according to claim 1 or 2, wherein said adjusting the rotation speed of the laundry treatment tub according to the eccentricity parameter comprises:
when the eccentricity parameter is less than or equal to a first eccentricity threshold value and greater than a second eccentricity threshold value, controlling the laundry treating tub to accelerate to a first washing rotation speed.
5. The control method of a laundry treatment apparatus according to claim 1 or 2, wherein said adjusting the rotation speed of the laundry treatment tub according to the eccentricity parameter comprises:
and when the eccentricity parameter is less than or equal to a second eccentricity threshold value and greater than zero, controlling the clothes treatment barrel to accelerate to a second washing rotating speed.
6. The control method of a laundry treating apparatus according to claim 1 or 2, wherein the rotation speed parameter is a rotation speed value of the laundry treating tub.
7. The control method of a laundry treating apparatus according to claim 6,
the eccentricity parameter is the average value of the rotating speed fluctuation parameter;
the rotating speed fluctuation parameter is the rotating speed minimum subtracted from the rotating speed maximum when the clothes processing barrel rotates for one circle.
8. A control device of a laundry treating apparatus, comprising:
a memory storing a computer program;
a processor executing the computer program;
wherein the processor, when executing the computer program, implements the steps of a control method of a laundry treatment apparatus as claimed in any one of claims 1 to 7.
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