CN113026296A - Washing machine control method and washing machine - Google Patents
Washing machine control method and washing machine Download PDFInfo
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Abstract
The invention discloses a washing machine control method and a washing machine, wherein the method comprises the following steps: in the operation process of the washing machine, N groups of accelerations of the washing machine are obtained, each group of accelerations comprises the accelerations of the washing machine in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, N is more than 1, and N is an integer; and adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the running process so as to perform balance control on the washing machine. The invention can reduce the probability of adjusting the balance of the washing machine by stopping the machine.
Description
Technical Field
The embodiment of the invention relates to the technology of household appliances, in particular to a washing machine control method and a washing machine.
Background
The washing machine is used for washing clothes, is widely used in families, and greatly reduces the washing load of users.
The washing machine needs to be placed on the ground in a balanced manner so that the washing machine can be smoothly operated in a balanced state. In the operation process of the washing machine, if the operation of the washing machine is unstable, the unbalance correction method is generally adopted for adjustment. However, after the unbalance is corrected, the washing machine still has a high probability of running unstably, and at the moment, the washing machine needs to be stopped to adjust the balance of the washing machine.
Accordingly, there is a need in the art for a method to address the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems in the prior art, in a first aspect, the present invention provides a control method of a washing machine, applied to a washing machine, the method including: in the operation process of the washing machine, N groups of accelerations of the washing machine are obtained, each group of accelerations comprises the accelerations of the washing machine in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, N is more than 1, and N is an integer; and adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the running process so as to perform balance control on the washing machine.
In the scheme, an acceleration curve of the washing machine in stable operation is stored in advance, and when the acceleration of the washing machine is not matched with the acceleration curve corresponding to at least k quadrants, the rotating speed and/or the acceleration of a motor of the washing machine are/is adjusted, so that the acceleration of the washing machine is not matched with the acceleration curve corresponding to less than k quadrants or the acceleration of the washing machine is matched with the acceleration curve corresponding to each quadrant. The method can carry out accurate adjustment when the washing machine is not stable in operation, improves the probability of stable operation of the adjusted washing machine, and further reduces the probability of stopping to adjust the balance of the washing machine.
In a possible implementation manner, the preset acceleration curve corresponding to the operation process includes preset acceleration curves corresponding to quadrants of a coordinate system of the washing machine; the adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and the preset acceleration curve corresponding to the operation process comprises the following steps: judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the N groups of accelerations and a preset acceleration curve corresponding to the operation process; and if the judgment result meets a first preset condition, adjusting the rotating speed and/or the acceleration of the motor of the washing machine, wherein the first preset condition is that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants, and k is a positive integer.
The scheme provides a concrete implementation of adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the operation process.
In a possible embodiment, any one first quadrant of the washing machine coordinate system corresponds to a first axis and a second axis; judging whether the acceleration of the washing machine is matched with a first preset acceleration curve or not according to the N groups of accelerations and the first preset acceleration curve corresponding to the first quadrant, and the method comprises the following steps: if the number of groups meeting a second preset condition in the N groups of accelerated speeds is greater than or equal to a preset multiple of the N, determining that the accelerated speed of the washing machine is matched with the first preset accelerated speed curve; the second preset condition comprises that the absolute value of the difference value between a second axis coordinate corresponding to the acceleration in the first axis direction on the first preset acceleration curve and the acceleration in the second axis direction is smaller than or equal to a preset threshold value; and if the number of groups meeting the second preset condition in the N groups of accelerated speeds is smaller than the preset multiple of N, determining that the accelerated speed of the washing machine is not matched with the first preset accelerated speed curve.
The scheme provides a concrete implementation that whether the acceleration of the washing machine is matched with a first preset acceleration curve or not is judged according to N groups of accelerations and the first preset acceleration curve corresponding to any one first quadrant.
In a possible embodiment, after adjusting the rotation speed and/or acceleration of the motor of the washing machine, the method further includes: continuously acquiring M groups of accelerated speeds of the washing machine, wherein M is a positive integer greater than 1; judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the M groups of accelerations and the corresponding preset acceleration curve in the operation process; and if the judgment result meets the first preset condition, carrying out unbalance correction on the washing machine.
The scheme can further reduce the probability of stopping to adjust the balance of the washing machine on the basis of controlling the washing machine to stably run.
In a possible embodiment, after the unbalance correction of the washing machine, the method further includes: and returning to the step of acquiring the M groups of accelerations of the washing machine until unbalance correction is performed for preset times, or the judgment result is that the accelerations of the washing machine are matched with the preset acceleration curves corresponding to the quadrants, or the judgment result is that the accelerations of the washing machine are not matched with the preset acceleration curves corresponding to the quadrants smaller than k.
The scheme can further reduce the probability of stopping to adjust the balance of the washing machine.
In one possible embodiment, the method further comprises: determining that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants in each quadrant after the unbalance correction is performed for a preset number of times; and pushing alarm information, wherein the alarm information indicates a user to carry out balance adjustment on the washing machine.
The scheme can enable a user to know that the balance adjustment needs to be carried out on the washing machine, and improves the user experience.
In one possible embodiment, the method further comprises: determining that the acceleration of the washing machine before each unbalance correction in the unbalance corrections of the preset times is not matched with a preset acceleration curve corresponding to a target quadrant in each quadrant after the unbalance corrections of the preset times are performed; and pushing alarm information, wherein the alarm information indicates a user to carry out balance adjustment on the washing machine.
The scheme can enable a user to know that the balance adjustment needs to be carried out on the washing machine, and improves the user experience.
In a possible embodiment, a first angle sensor is mounted on a bottom corner or a seat of the washing machine, and before the washing machine is operated, the washing machine further comprises: acquiring a first angle between the bottom angle or the disc seat and a horizontal plane through the first angle sensor; and if the first angle is not zero, pushing first reminding information, wherein the first reminding information indicates a user to carry out balance adjustment on the washing machine according to the first angle so as to enable the washing machine to be placed in a balanced manner.
The scheme can efficiently and accurately enable the washing machine to be placed in a balanced mode.
In a possible embodiment, the second angle sensor is mounted on a suspension rod of the washing machine, and before the washing machine is operated, the method further includes: acquiring a second angle between the suspension rod and the horizontal plane through the second angle sensor; if the second angle is not 90 degrees, pushing second reminding information, and indicating a user to perform balance adjustment on the washing machine according to the second angle so as to enable the washing machine to be placed in balance.
The scheme can efficiently and accurately enable the washing machine to be placed in a balanced mode.
In a second aspect, the present invention provides a washing machine control apparatus, the apparatus comprising: the processing module is used for acquiring N groups of accelerations of the washing machine in the running process of the washing machine, wherein each group of accelerations comprises the accelerations of the washing machine in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, N is more than 1, and N is an integer; and adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the running process so as to perform balance control on the washing machine.
In a possible implementation manner, the preset acceleration curve corresponding to the operation process includes preset acceleration curves corresponding to quadrants of a coordinate system of the washing machine; the processing module is specifically configured to: judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the N groups of accelerations and a preset acceleration curve corresponding to the operation process; and if the judgment result meets a first preset condition, adjusting the rotating speed and/or the acceleration of the motor of the washing machine, wherein the first preset condition is that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants, and k is a positive integer.
In a possible embodiment, any one first quadrant of the washing machine coordinate system corresponds to a first axis and a second axis; the processing module is specifically configured to: if the number of groups meeting a second preset condition in the N groups of accelerated speeds is greater than or equal to a preset multiple of the N, determining that the accelerated speed of the washing machine is matched with the first preset accelerated speed curve; the second preset condition comprises that the absolute value of the difference value between a second axis coordinate corresponding to the acceleration in the first axis direction on the first preset acceleration curve and the acceleration in the second axis direction is smaller than or equal to a preset threshold value; and if the number of groups meeting the second preset condition in the N groups of accelerated speeds is smaller than the preset multiple of N, determining that the accelerated speed of the washing machine is not matched with the first preset accelerated speed curve.
In a possible embodiment, after the processing module is used to adjust the rotation speed and/or acceleration of the motor of the washing machine, the processing module is further used to: continuously acquiring M groups of accelerated speeds of the washing machine, wherein M is a positive integer greater than 1; judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the M groups of accelerations and the corresponding preset acceleration curve in the operation process; and if the judgment result meets the first preset condition, carrying out unbalance correction on the washing machine.
In one possible embodiment, the processing module is configured to: and after the washing machine is subjected to unbalance correction, returning to the step of the acquisition module for acquiring M groups of accelerations of the washing machine until unbalance correction is carried out for preset times, or the judgment result shows that the accelerations of the washing machine are matched with preset acceleration curves corresponding to all the quadrants, or the judgment result shows that the accelerations of the washing machine are not matched with the preset acceleration curves corresponding to less than k quadrants.
In a possible implementation, the processing module is further configured to: determining that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants in each quadrant after the unbalance correction is performed for a preset number of times; and the pushing module is used for pushing alarm information, and the alarm information indicates a user to carry out balance adjustment on the washing machine.
In a possible implementation, the processing module is further configured to: determining that the acceleration of the washing machine before each unbalance correction in the unbalance corrections of the preset times is not matched with a preset acceleration curve corresponding to a target quadrant in each quadrant after the unbalance corrections of the preset times are performed; and the pushing module is used for pushing alarm information, and the alarm information indicates a user to carry out balance adjustment on the washing machine.
In a possible embodiment, a first angle sensor is mounted on a bottom corner or a seat of the washing machine, and before the washing machine is running, the processing module is further configured to: acquiring a first angle between the bottom angle or the disc seat and a horizontal plane through the first angle sensor; if the first angle is not zero, a pushing module is used for pushing first reminding information, and the first reminding information indicates a user to carry out balance adjustment on the washing machine according to the first angle so as to enable the washing machine to be placed in a balanced mode.
In a possible embodiment, the second angle sensor is mounted on a suspension rod of the washing machine, and before the washing machine is operated, the processing module is further configured to: acquiring a second angle between the suspension rod and the horizontal plane through the second angle sensor; if the second angle is not 90 degrees, the pushing module is used for pushing second reminding information, and the second reminding information indicates a user to perform balance adjustment on the washing machine according to the second angle so as to enable the washing machine to be placed in balance.
In a third aspect, an embodiment of the present invention provides a washing machine, including: a processor and a memory; the memory is configured to store computer-executable instructions for causing the processor to execute the computer-executable instructions to implement the method of the first aspect or any possible implementation of the first aspect.
In one possible embodiment, the washing machine further comprises: a first angle sensor mounted on the base angle or the seat; the first angle sensor is used for detecting a first angle between the bottom angle or the disc seat and a horizontal plane; the processor is used for acquiring the first angle detected by the first angle sensor, and pushing first reminding information if the first angle is not zero, wherein the first reminding information indicates a user to balance and adjust the washing machine according to the first angle so as to enable the washing machine to be placed in a balanced mode.
In one possible embodiment, the washing machine further comprises: a second angle sensor mounted on the boom. The second angle sensor is used for detecting a second angle between the suspender and the horizontal plane; the processor is used for acquiring the second angle detected by the second angle sensor, and pushing second reminding information if the second angle is not zero, wherein the second reminding information indicates a user to balance and adjust the washing machine according to the second angle so as to enable the washing machine to be placed in a balanced manner.
In a fourth aspect, an embodiment of the present invention provides a washing machine, including: a processor and a memory; the memory is configured to store computer-executable instructions for causing the processor to execute the computer-executable instructions to implement the method of any of the embodiments of the first aspect and the first aspect or the method of any of the embodiments of the second aspect and the second aspect.
In a fifth aspect, the present invention also provides a computer readable storage medium comprising a program or instructions for performing the method of any of the embodiments of the first aspect and the first aspect or the method of any of the embodiments of the second aspect and the second aspect when the program or instructions are run on a computer.
In the invention, the acceleration curve of the washing machine in steady operation is prestored in the washing machine, and when the acceleration of the washing machine is not matched with the acceleration curve corresponding to at least k quadrants, the rotating speed and/or the acceleration of the motor of the washing machine are/is adjusted, so that the acceleration of the washing machine is not matched with the acceleration curve corresponding to less than k quadrants or the acceleration of the washing machine is matched with the acceleration curve corresponding to each quadrant. The method can carry out accurate adjustment when the washing machine is not stable in operation, improves the probability of stable operation of the adjusted washing machine, and further reduces the probability of stopping to adjust the balance of the washing machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first flowchart of a laundry control method according to an embodiment of the present invention;
FIG. 2 is a quadrant schematic provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a preset acceleration curve corresponding to an operation process according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the matching between the actual acceleration of the washing machine and the preset acceleration curve according to the embodiment of the present invention;
FIG. 5 is a second flowchart of a control method of a washing machine according to an embodiment of the present invention;
fig. 6 is a schematic block diagram of a control device of a washing machine according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments of the present invention may be arbitrarily combined with each other without conflict.
In the present invention, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple. The terms "first," "second," and the like in the description herein are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The following description will explain the control method and apparatus of the washing machine according to the present invention by using specific examples.
First, a washing machine control method according to an embodiment of the present invention will be described.
Fig. 1 is a first flowchart of a laundry control method according to an embodiment of the present invention. Referring to fig. 1, the method of the present embodiment includes:
s101, acquiring N groups of accelerations of the washing machine in the operation process of the washing machine, wherein each group of accelerations comprises the accelerations of the washing machine in the X-axis direction, the Y-axis direction and the Z-axis direction respectively; n is an integer greater than 1.
Before the washing machine runs, whether the washing machine is placed in balance or not can be detected by arranging an angle sensor on the washing machine.
In one scheme, a first angle sensor is mounted on a bottom corner or a tray of the washing machine, and a first angle between the bottom corner or the tray and a horizontal plane is acquired through the first angle sensor before the washing machine is operated. If the first angle is not zero, first reminding information is pushed, and the first reminding information indicates a user to carry out balance adjustment on the washing machine according to the first angle so as to enable the washing machine to be placed in balance. Pushing the first reminder information may include: displaying the first reminding message and/or playing the first reminding message. The first reminding message can comprise a first angle. For example, the first angle may be a belt direction angle, and when the user faces the front of the washing machine, the first angle is defined to be positive when the left side of the washing machine is higher than the right side, and negative when the left side of the washing machine is lower than the right side. For another example, the first angle is an angle without direction, and in this case, the first reminding message may further include information indicating that the washing machine is high on the left side or low on the left side or high on the right side or low on the right side. In other implementations, if the first angle is not zero, a warning message not including the first angle is pushed, where the warning message may include information indicating that the left side of the washing machine is high or the left side is low or the right side is high or the right side is low, or the warning message only indicates that the washing machine needs to perform balance adjustment and does not include information indicating that the left side of the washing machine is high or the left side is low or the right side is high or the right side is low.
In another scheme, a second angle sensor is mounted on a hanger rod of the washing machine, and a second angle between the hanger rod and the horizontal plane is acquired through the second angle sensor before the washing machine operates.
If the second angle is not 90 degrees, pushing second reminding information, and indicating the user to balance and adjust the washing machine according to the second angle so as to balance the washing machine. The manner of pushing the second reminding information and the information possibly included in the second reminding information refer to the description of the first reminding information, and are not described herein again.
The user can adjust the washing machine according to the first reminding information or the second reminding information, and the adjusting process can be repeated for a plurality of times until the washing machine does not push the first reminding information or the second reminding information or pushes a third reminding message indicating that the washing machine is placed in a balanced manner.
During the operation of the washing machine, the acceleration of the washing machine can be acquired through the acceleration sensor. Alternatively, the acceleration sensor may be a three-axis acceleration sensor. A group of accelerations can be obtained by measuring through an acceleration sensor at preset time intervals to obtain N groups of accelerations, and each group of accelerations comprises a first acceleration of the washing machine in the X-axis direction, a second acceleration of the washing machine in the Y-axis direction and a third acceleration of the washing machine in the Z-axis direction at a certain moment. Alternatively, N can be any integer between 8 and 20, including 8 and 20.
The operation process of the embodiment includes, but is not limited to, a washing process and a dehydrating process of the washing machine.
And S102, adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the operation process so as to perform balance control on the washing machine.
It will be appreciated that the predetermined acceleration profiles may be different for different operational processes. The preset acceleration curve corresponding to the operation process is stored in the washing machine after being acquired in advance. Specifically, a plurality of washing machines which run stably and have the same model can be selected, and a preset acceleration curve corresponding to the running process is obtained according to the acceleration of the plurality of washing machines in the same running process.
In one mode, the predetermined acceleration curve corresponding to the operation process may include predetermined acceleration curves corresponding to quadrants of a coordinate system of the washing machine. Since the coordinate system of the washing machine includes 3 quadrants, the predetermined acceleration curve corresponding to one operation process may include three predetermined acceleration curves. Wherein, each quadrant of the coordinate system of the washing machine includes a quadrant corresponding to the X-axis and the Y-axis (for the convenience of subsequent description, the quadrant corresponding to the X-axis and the Y-axis is referred to as an X-Y quadrant), a quadrant corresponding to the X-axis and the Z-axis (for the convenience of subsequent description, the quadrant corresponding to the X-axis and the Z-axis is referred to as an X-Z quadrant), and a quadrant corresponding to the Y-axis and the Z-axis (for the convenience of subsequent description, the quadrant corresponding to the Y-axis and the Z-axis is referred to as a Y-Z quadrant). The quadrants in this manner can be shown in fig. 2, and the corresponding predetermined acceleration curves of the quadrants can be shown in fig. 3.
Referring to fig. 3, point a on the preset acceleration curve corresponding to quadrant X-Y indicates that the washing machine is in the washing machineAcceleration in the X-axis direction is a1Acceleration in the Y-axis direction is b1。b1Is a1Y-axis coordinate, a, corresponding to the preset acceleration curve corresponding to the X-Y quadrant1Is b is1And the corresponding X-axis coordinate on the preset acceleration curve corresponding to the X-Y quadrant. The point B on the preset acceleration curve corresponding to the quadrant X-Z represents that the acceleration of the washing machine in the X-axis direction is a2Acceleration in the Z-axis direction is c1。c1Is a2The Z-axis coordinate, a, corresponding to the preset acceleration curve corresponding to the X-Z quadrant2Is c1And the corresponding X-axis coordinate on the preset acceleration curve corresponding to the X-Z quadrant. The point C on the preset acceleration curve corresponding to the Y-Z quadrant represents that the acceleration of the washing machine in the Y-axis direction is b2Acceleration in the Z-axis direction is c2。c2Is b is2Z-axis coordinate on preset acceleration curve corresponding to Y-Z quadrant, b2Is c2And Y-axis coordinates corresponding to a preset acceleration curve corresponding to the Y-Z quadrant.
Next, the specific implementation of adjusting the rotation speed and/or acceleration of the motor of the washing machine according to the N groups of accelerations and the preset acceleration curve corresponding to the operation process to perform balance control on the washing machine will be described.
In a specific implementation, the adjusting the rotation speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and the preset acceleration curve corresponding to the operation process includes:
a1, judging whether the acceleration of the washing machine is matched with the preset acceleration curve corresponding to each quadrant according to the N groups of accelerations and the preset acceleration curve corresponding to the operation process.
As described above, the washing machine coordinate system includes three quadrants, each quadrant corresponding to 2 axes (or 2 coordinate axes). The following describes the step by taking an example of determining whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to a first quadrant, where the first quadrant is any one quadrant of a washing machine coordinate system, and the first quadrant corresponds to a first axis and a second axis. It will be appreciated that if the first quadrant is an X-Y quadrant, the first axis is the X-axis and the second axis is the Y-axis.
According to the N groups of accelerations and a first preset acceleration curve corresponding to the first quadrant, whether the acceleration of the washing machine is matched with the first preset acceleration curve or not is judged, and the method comprises the following steps:
a11, if the number of groups meeting the second preset condition in the N groups of accelerated speeds is more than or equal to the preset multiple of N, determining that the accelerated speed of the washing machine is matched with the first preset accelerated speed curve; the second preset condition comprises that the absolute value of the difference value between the second axis coordinate corresponding to the acceleration in the first axis direction on the first preset acceleration curve and the acceleration in the second axis direction is smaller than or equal to a preset threshold value.
Illustratively, the N sets of accelerations include a set of accelerations (x) having a value of1、y1、z1)，x1Acceleration of the washing machine in the direction of the X-axis, y1Acceleration of the washing machine in the direction of the Y-axis, z1The acceleration of the washing machine in the Z-axis direction is shown, the first quadrant is an X-Y quadrant, the first axis is an X axis, the second axis is a Y axis, and X is1Acceleration in the direction of the first axis, y1Is the acceleration in the second axial direction. If the acceleration x in the first axis direction in the set of accelerations is1The corresponding Y-axis coordinate on the first preset acceleration curve is Y2And y1-y2If | is less than or equal to the preset threshold, the set of accelerations is considered to satisfy a second preset condition. Specifically, if y is as shown in FIG. 42Between the two broken lines in fig. 4, the set of accelerations is considered to satisfy the second preset condition.
Alternatively, the predetermined multiple may be any value between 0.6 and 0.8, including 0.6 and 0.8. Illustratively, the preset multiple is 0.6, and if 7 of the acquired 10 groups of accelerations satisfy the second preset condition, it is determined that the acceleration of the current washing machine matches the first preset acceleration curve.
a12, if the number of groups meeting the second preset condition in the N groups of accelerations is less than the preset multiple of N, determining that the acceleration of the washing machine is not matched with the first preset acceleration curve.
Illustratively, the preset multiple is 0.6, if 4 of the acquired 10 groups of accelerations satisfy the second preset condition, and 6 groups of accelerations do not satisfy the second preset condition, it is determined that the acceleration of the current washing machine is not matched with the first preset acceleration curve.
According to the method, whether the acceleration of the washing machine is matched with a washing machine coordinate system comprising the preset acceleration curve corresponding to each quadrant is judged, and a judgment result is obtained.
a2, if the judgment result meets a first preset condition, adjusting the rotating speed and/or the acceleration of the motor of the washing machine, wherein the first preset condition is that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants, and k is a positive integer.
Namely, if the acceleration of the washing machine is not matched with the preset acceleration curve corresponding to at least k quadrants according to the judgment result, the rotating speed and/or the acceleration of the motor of the washing machine are/is adjusted. Optionally, k is greater than or equal to 1 and less than or equal to 3; alternatively, k is 2 or more and 3 or less.
Wherein, the rotating speed and/or acceleration of the motor of the washing machine can be adjusted by adjusting the pulse for controlling the operation of the motor. It is understood that the principle of adjustment is: if the acceleration in the first axis direction is larger than the acceleration curve corresponding to the operation process, the pulse for controlling the operation of the motor capable of reducing the acceleration of the washing machine in the first axis direction can be generated according to the larger amount. If the acceleration in the first axis direction is smaller than the acceleration curve corresponding to the operation process, generating pulses for controlling the operation of the motor, which can increase the acceleration of the washing machine in the first axis direction, according to the larger amount; wherein the first axis is any one of the coordinate axes. The process of adjusting the rotating speed and/or the acceleration of the motor of the washing machine can be a process of adjusting for multiple times or a process of adjusting for one time. If the adjusting process is a process of adjusting for multiple times, acquiring the accelerations of the N groups (or other numbers) of washing machines again after each adjustment, and judging whether the accelerations of the washing machines are not matched with the preset acceleration curves corresponding to at least k quadrants until reaching the preset adjusting times, or the accelerations of the washing machines are not matched with the preset acceleration curves corresponding to less than k quadrants, or the accelerations of the washing machines are matched with the preset acceleration curves corresponding to the quadrants.
In this embodiment, an acceleration curve of the washing machine during steady operation is pre-stored in the washing machine, and when the acceleration of the washing machine is not matched with the acceleration curve corresponding to at least k quadrants, the rotation speed and/or the acceleration of the motor of the washing machine are adjusted, so that the acceleration of the washing machine is not matched with the acceleration curve corresponding to less than k quadrants or the acceleration of the washing machine is matched with the acceleration curve corresponding to each quadrant. The method can carry out accurate adjustment when the washing machine is not stable in operation, improves the probability of stable operation of the adjusted washing machine, and further reduces the probability of stopping to adjust the balance of the washing machine.
In order to further reduce the probability of stopping to adjust the balance of the washing machine, the method of the embodiment may be performed after the rotational speed and/or acceleration of the motor of the washing machine is adjusted in the previous embodiment. Fig. 5 is a second flowchart of a control method of a washing machine according to an embodiment of the present invention, and referring to fig. 5, the method of the embodiment includes:
step S501, obtaining M groups of accelerations of the washing machine, wherein M is an integer larger than 1.
If the adjustment of the rotation speed and/or the acceleration of the motor of the washing machine in the previous embodiment is a one-time adjustment process, or the number of times of the adjustment process reaches the preset adjustment number, after the rotation speed and/or the acceleration of the motor of the washing machine are adjusted, the current M groups of accelerations of the washing machine can be continuously acquired, that is, the method in the present embodiment is performed. M and N may be the same or different.
And step S502, judging whether the acceleration of the washing machine is matched with the preset acceleration curve corresponding to each quadrant according to the M groups of accelerations and the corresponding preset acceleration curve in the operation process.
For specific implementation of this embodiment, reference is made to the method of "determining whether the acceleration of the washing machine matches the preset acceleration curve corresponding to each quadrant according to the N groups of accelerations and the corresponding preset acceleration curve during the operation" in the embodiment shown in fig. 1, which is not described herein again.
And step S503, if the judgment result meets the first preset condition, carrying out unbalance correction on the washing machine.
The meaning of the first predetermined condition in this embodiment refers to the explanation in the previous embodiment, and is not described herein again. The unbalance correction in this embodiment is the same as the currently common unbalance correction method.
In other implementation manners, if the adjustment of the rotation speed and/or the acceleration of the motor of the washing machine in the previous embodiment is a one-time adjustment process, or the number of times of performing the adjustment process reaches the preset adjustment number, after the rotation speed and/or the acceleration of the motor of the washing machine are adjusted, step S501 and step S502 are performed, if the determination result meets the first preset condition, the balance correction may not be performed, but the alarm information is pushed.
Optionally, after the unbalance correction is performed on the washing machine, the method further includes: and determining that the acceleration of the washing machine after the unbalance correction is not matched with the preset acceleration curve corresponding to at least k quadrants in each quadrant, and pushing alarm information, wherein the alarm information indicates a user to perform balance adjustment on the washing machine. Wherein determining that the acceleration of the washing machine after the unbalance correction does not match a preset acceleration curve corresponding to at least k quadrants in the quadrants comprises: and after the unbalance correction, continuously acquiring the current P groups of accelerated speeds of the washing machine, wherein P can be the same as or different from M and/or N, judging whether the accelerated speeds of the washing machine are matched with the preset accelerated speed curves corresponding to the quadrants or not according to the P groups of accelerated speeds and the corresponding preset accelerated speed curves in the operation process, and judging that the accelerated speeds of the washing machine are not matched with the preset accelerated speed curves corresponding to at least k quadrants in the quadrants. The manner of pushing the alarm information refers to the manner of pushing the first reminding message, which is not described herein again.
Optionally, after the unbalance correction is performed on the washing machine, the method further includes: and returning to the step of acquiring the M groups of accelerations of the washing machine until the number of times of unbalance correction reaches a preset number, or judging that the acceleration of the washing machine is not matched with the acceleration curves corresponding to the quadrants less than k, or judging that the acceleration of the washing machine is matched with the acceleration curves corresponding to the quadrants.
Optionally, after the number of unbalance corrections reaches a preset number, the method may further include: determining that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants in each quadrant after the number of times of unbalance correction reaches a preset number of times; and pushing alarm information, wherein the alarm information indicates a user to carry out balance adjustment on the washing machine. Wherein determining that the acceleration of the washing machine is not matched with the preset acceleration curves corresponding to at least k quadrants in the quadrants after the number of times of unbalance correction reaches the preset number of times comprises: and continuously acquiring the current Q group acceleration of the washing machine, wherein Q can be the same as or different from P and/or M and/or N, judging whether the acceleration of the washing machine is matched with the preset acceleration curve corresponding to each quadrant according to the Q group acceleration and the corresponding preset acceleration curve in the running process, and judging that the acceleration of the washing machine is not matched with the preset acceleration curves corresponding to at least k quadrants in each quadrant according to the judgment result.
Optionally, after the number of unbalance corrections reaches a preset number, the method may further include: determining that the acceleration of the washing machine before each unbalance correction in the unbalance corrections of the preset times is not matched with a preset acceleration curve corresponding to a target quadrant in each quadrant after the unbalance correction times reach the preset times; and pushing alarm information, wherein the alarm information indicates a user to carry out balance adjustment on the washing machine.
Illustratively, the preset times are 3 times, the unbalance correction times are 3 times, the acceleration of the washing machine before the first unbalance correction is not matched with the acceleration curve corresponding to the X-Y quadrant, the acceleration of the washing machine before the second unbalance correction is not matched with the acceleration curve corresponding to the X-Y quadrant, and the acceleration of the washing machine before the third unbalance correction is not matched with the acceleration curve corresponding to the X-Y quadrant, alarm information is pushed.
The method of the embodiment can reduce the probability of stopping to adjust the balance of the washing machine.
Fig. 6 is a schematic block diagram of a control device 600 of a washing machine according to an embodiment of the present invention. Referring to fig. 6, the apparatus of the present embodiment includes: a processing module 601 and a pushing module 602.
The processing module 601 is used for acquiring N groups of accelerations of the washing machine in the operation process of the washing machine, wherein each group of accelerations comprises the accelerations of the washing machine in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, N is more than 1, and N is an integer; and adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the running process so as to perform balance control on the washing machine.
In a possible implementation manner, the preset acceleration curve corresponding to the operation process includes preset acceleration curves corresponding to quadrants of a coordinate system of the washing machine; the processing module 601 is specifically configured to: judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the N groups of accelerations and a preset acceleration curve corresponding to the operation process; and if the judgment result meets a first preset condition, adjusting the rotating speed and/or the acceleration of the motor of the washing machine, wherein the first preset condition is that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants, and k is a positive integer.
In a possible embodiment, any one first quadrant of the washing machine coordinate system corresponds to a first axis and a second axis; the processing module 601 is specifically configured to: if the number of groups meeting a second preset condition in the N groups of accelerated speeds is greater than or equal to a preset multiple of the N, determining that the accelerated speed of the washing machine is matched with the first preset accelerated speed curve; the second preset condition comprises that the absolute value of the difference value between a second axis coordinate corresponding to the acceleration in the first axis direction on the first preset acceleration curve and the acceleration in the second axis direction is smaller than or equal to a preset threshold value; and if the number of groups meeting the second preset condition in the N groups of accelerated speeds is smaller than the preset multiple of N, determining that the accelerated speed of the washing machine is not matched with the first preset accelerated speed curve.
In a possible embodiment, after the processing module 601 is used to adjust the rotation speed and/or acceleration of the motor of the washing machine, the processing module 601 is further used to: continuously acquiring M groups of accelerated speeds of the washing machine, wherein M is a positive integer greater than 1; judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the M groups of accelerations and the corresponding preset acceleration curve in the operation process; and if the judgment result meets the first preset condition, carrying out unbalance correction on the washing machine.
In one possible embodiment, the processing module is configured to: and after the washing machine is subjected to unbalance correction, returning to the step of the acquisition module for acquiring M groups of accelerations of the washing machine until unbalance correction is carried out for preset times, or the judgment result shows that the accelerations of the washing machine are matched with preset acceleration curves corresponding to all the quadrants, or the judgment result shows that the accelerations of the washing machine are not matched with the preset acceleration curves corresponding to less than k quadrants.
In a possible implementation, the processing module 601 is further configured to: determining that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants in each quadrant after the unbalance correction is performed for a preset number of times; and the pushing module 602 is used for pushing alarm information, and the alarm information indicates a user to perform balance adjustment on the washing machine.
In a possible implementation, the processing module 601 is further configured to: determining that the acceleration of the washing machine before each unbalance correction in the unbalance corrections of the preset times is not matched with a preset acceleration curve corresponding to a target quadrant in each quadrant after the unbalance corrections of the preset times are performed; and the pushing module 602 is used for pushing alarm information, and the alarm information indicates a user to perform balance adjustment on the washing machine.
In a possible embodiment, a first angle sensor is mounted on the bottom corner or the seat of the washing machine, and before the washing machine is running, the processing module 601 is further configured to: acquiring a first angle between the bottom angle or the disc seat and a horizontal plane through the first angle sensor; if the first angle is not zero, the pushing module 602 is configured to push first prompting information, where the first prompting information instructs a user to perform balance adjustment on the washing machine according to the first angle, so that the washing machine is placed in a balanced manner.
In a possible embodiment, the second angle sensor is mounted on a suspension rod of the washing machine, and before the washing machine is operated, the processing module 601 is further configured to: acquiring a second angle between the suspension rod and the horizontal plane through the second angle sensor; if the second angle is not 90 degrees, the pushing module 602 is configured to push second prompting information, where the second prompting information instructs a user to perform balance adjustment on the washing machine according to the second angle, so that the washing machine is placed in balance.
The washing machine control device of this embodiment may be used to implement the technical solutions in the above method embodiments, and the implementation principle and technical effects are similar, and are not described herein again.
Fig. 7 is a schematic structural diagram of an apparatus according to an embodiment of the present invention, and referring to fig. 7, the apparatus 700 may be a washing machine, and may also be a chip, a system-on-chip, or a processor supporting the washing machine to implement the above method. The apparatus may be configured to implement the method described in the method embodiment, and refer to the description in the method embodiment.
The apparatus 700 may include one or more processors 701, where the processors 701 may also be referred to as processing units and may implement certain control functions. The processor 701 may be a general-purpose processor or a special-purpose processor, etc. For example, a baseband processor or a central processor. The baseband processor may be configured to process communication protocols and communication data, and the central processor may be configured to control a communication device (e.g., a base station, a baseband chip, a terminal chip, a DU or CU, etc.), execute a software program, and process data of the software program.
Optionally, the processor 701 may also store instructions and/or data 703, and the instructions and/or data 703 may be executed by the processor, so that the apparatus 700 performs the method described in the above method embodiment.
Optionally, the apparatus 700 may include one or more memories 702, on which instructions 704 may be stored, which may be executed on the processor, to cause the apparatus 700 to perform the methods described in the above method embodiments. Optionally, the memory may further store data therein. Optionally, instructions and/or data may also be stored in the processor. The processor and the memory may be provided separately or may be integrated together.
Optionally, the apparatus 700 may further comprise a transceiver 705 and/or an antenna 706. The processor 701 may be referred to as a processing unit or a processing module, and controls the apparatus 700. The transceiver 705 may be referred to as a transceiver unit, a transceiver, a transceiving circuit, a transceiver or a transceiving module, etc. to implement transceiving functions.
Optionally, the apparatus 700 may also include a display 707 and/or a player 708.
Optionally, the apparatus 700 may further include a first angle sensor 709 and/or a second angle sensor 710.
The processor 701 and the transceiver 705 described in this disclosure may be implemented on an Integrated Circuit (IC), an analog IC, a Radio Frequency Integrated Circuit (RFIC), a mixed signal IC, an Application Specific Integrated Circuit (ASIC), a Printed Circuit Board (PCB), an electronic device, or the like. The processor and transceiver may also be fabricated using various 1C process technologies, such as Complementary Metal Oxide Semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (PMOS), Bipolar Junction Transistor (BJT), Bipolar CMOS (bicmos), silicon germanium (SiGe), gallium arsenide (GaAs), and the like.
It will also be appreciated that the memory referred to in this embodiment of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DR RAM).
The device of this embodiment may be configured to implement the technical solutions corresponding to the server or the washing machine in the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
Embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform a method corresponding to a server or a washing machine in the above method embodiments.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A control method of a washing machine, applied to a washing machine, the method comprising:
in the operation process of the washing machine, N groups of accelerations of the washing machine are obtained, each group of accelerations comprises the accelerations of the washing machine in the X-axis direction, the Y-axis direction and the Z-axis direction respectively, N is more than 1, and N is an integer;
and adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and a preset acceleration curve corresponding to the running process so as to perform balance control on the washing machine.
2. The method according to claim 1, wherein the predetermined acceleration profile corresponding to the operation process comprises predetermined acceleration profiles corresponding to quadrants of a coordinate system of the washing machine; the adjusting the rotating speed and/or the acceleration of the motor of the washing machine according to the N groups of accelerations and the preset acceleration curve corresponding to the operation process comprises the following steps:
judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the N groups of accelerations and a preset acceleration curve corresponding to the operation process;
and if the judgment result meets a first preset condition, adjusting the rotating speed and/or the acceleration of the motor of the washing machine, wherein the first preset condition is that the acceleration of the washing machine is not matched with preset acceleration curves corresponding to at least k quadrants, and k is a positive integer.
3. The method of claim 2, wherein any one of the first quadrants of the washing machine coordinate system corresponds to a first axis and a second axis; judging whether the acceleration of the washing machine is matched with a first preset acceleration curve or not according to the N groups of accelerations and the first preset acceleration curve corresponding to the first quadrant, and the method comprises the following steps:
if the number of groups meeting a second preset condition in the N groups of accelerated speeds is greater than or equal to a preset multiple of the N, determining that the accelerated speed of the washing machine is matched with the first preset accelerated speed curve; the second preset condition comprises that the absolute value of the difference value between a second axis coordinate corresponding to the acceleration in the first axis direction on the first preset acceleration curve and the acceleration in the second axis direction is smaller than or equal to a preset threshold value;
and if the number of groups meeting the second preset condition in the N groups of accelerated speeds is smaller than the preset multiple of N, determining that the accelerated speed of the washing machine is not matched with the first preset accelerated speed curve.
4. The method of claim 2, further comprising, after adjusting the rotational speed and/or acceleration of the motor of the washing machine:
continuously acquiring M groups of accelerated speeds of the washing machine, wherein M is a positive integer greater than 1;
judging whether the acceleration of the washing machine is matched with a preset acceleration curve corresponding to each quadrant or not according to the M groups of accelerations and the corresponding preset acceleration curve in the operation process;
and if the judgment result meets the first preset condition, carrying out unbalance correction on the washing machine.
5. The method of claim 4, further comprising, after the performing the imbalance correction on the washing machine:
and returning to the step of acquiring the M groups of accelerations of the washing machine until unbalance correction is performed for preset times, or the judgment result is that the accelerations of the washing machine are matched with the preset acceleration curves corresponding to the quadrants, or the judgment result is that the accelerations of the washing machine are not matched with the preset acceleration curves corresponding to the quadrants smaller than k.
6. The method according to any one of claims 1 to 5, wherein a first angle sensor is mounted on a bottom corner or a seat of the washing machine, and before the washing machine is operated, the method further comprises:
acquiring a first angle between the bottom angle or the disc seat and a horizontal plane through the first angle sensor;
and if the first angle is not zero, pushing first reminding information, wherein the first reminding information indicates a user to carry out balance adjustment on the washing machine according to the first angle so as to enable the washing machine to be placed in a balanced manner.
7. The method according to any one of claims 1 to 5, wherein the second angle sensor is mounted on a suspension rod of the washing machine, and before the washing machine is operated, the method further comprises:
acquiring a second angle between the suspension rod and the horizontal plane through the second angle sensor;
if the second angle is not 90 degrees, pushing second reminding information, and indicating a user to perform balance adjustment on the washing machine according to the second angle so as to enable the washing machine to be placed in balance.
8. A washing machine, characterized by comprising: a processor and a memory;
the memory is configured to store computer-executable instructions to cause the processor to execute the computer-executable instructions to implement the method of any one of claims 1 to 5.
9. The washing machine as claimed in claim 8, further comprising: a first angle sensor mounted on the base angle or the seat;
the first angle sensor is used for detecting a first angle between the bottom angle or the disc seat and a horizontal plane;
the processor is used for acquiring the first angle detected by the first angle sensor, and pushing first reminding information if the first angle is not zero, wherein the first reminding information indicates a user to balance and adjust the washing machine according to the first angle so as to enable the washing machine to be placed in a balanced mode.
10. The washing machine as claimed in claim 8, further comprising: a second angle sensor mounted on the boom;
the second angle sensor is used for detecting a second angle between the suspender and the horizontal plane;
the processor is used for acquiring the second angle detected by the second angle sensor, and pushing second reminding information if the second angle is not zero, wherein the second reminding information indicates a user to balance and adjust the washing machine according to the second angle so as to enable the washing machine to be placed in a balanced manner.
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| CN201911250265.6A CN113026296A (en) | 2019-12-09 | 2019-12-09 | Washing machine control method and washing machine |
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Application publication date: 20210625 |