CN111304874B - Control method and device of clothes treatment device and clothes treatment device - Google Patents
Control method and device of clothes treatment device and clothes treatment device Download PDFInfo
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- CN111304874B CN111304874B CN202010106619.6A CN202010106619A CN111304874B CN 111304874 B CN111304874 B CN 111304874B CN 202010106619 A CN202010106619 A CN 202010106619A CN 111304874 B CN111304874 B CN 111304874B
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Abstract
The application provides a control method and device of a clothes treatment device and the clothes treatment device, wherein the method comprises the following steps: water is fed into the clothes treatment device; controlling a motor of the clothes treatment device to drive a wave wheel to rotate so as to execute a washing process; monitoring the load variation applied to the impeller in the washing process; and adjusting the running beat of the impeller according to the load variation. The method monitors the load variation applied to the impeller in the washing process to adjust the running beat of the impeller according to the load variation, thereby avoiding the twisting of clothes in the washing process and improving the washing effect of the clothes.
Description
Technical Field
The application relates to the technical field of household appliances, in particular to a control method and device of a clothes treatment device and the clothes treatment device.
Background
Along with the improvement of the living standard of people, the washing machine is widely used as an important household appliance, and the functions of the washing machine are more convenient and more automatic. Meanwhile, in order to meet the demands of different consumers, the washing methods of the washing machine are also increasing.
However, in the process of actually washing the laundry, especially in the pulsator washing machine, the laundry is easily entangled, resulting in a poor laundry washing effect. Although some washing machines with shaking and scattering functions are available in the market, the washing machines can only carry out short-time shaking and scattering treatment on clothes after washing is finished, the shaking and scattering effect is not ideal, and the clothes can still be wound together.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the application provides a control method of a clothes treatment device, which realizes monitoring of the load variation applied to the impeller in the washing process, and adjusts the running beat of the impeller according to the load variation, thereby avoiding the clothes winding condition in the washing process and improving the washing effect of the clothes.
An embodiment of a first aspect of the present application provides a control method of a clothes treatment device, including:
water is fed into the clothes treatment device;
controlling a motor of the clothes treatment device to drive a wave wheel to rotate so as to execute a washing process;
monitoring the load variation applied to the impeller in the washing process;
and adjusting the running beat of the impeller according to the load variation.
As a first possible implementation manner of the embodiment of the present application, monitoring a load variation applied to the pulsator in a washing process includes:
in the washing process, detecting the load applied on the impeller for multiple times to obtain a load indicated value;
and determining corresponding load variation according to the difference between each load indication value and the set standard value.
As a second possible implementation manner of the embodiment of the present application, before executing the washing process, the method further includes:
and detecting the load applied to the impeller as a set standard value.
As a third possible implementation manner of the embodiment of the present application, detecting a load applied to the pulsator includes:
determining a counter electromotive force pulse value generated when the wave wheel continues to operate after the fixed frequency motor is powered off for the fixed frequency motor driving the wave wheel to operate;
and determining the load applied to the impeller according to the back electromotive force pulse value.
As a fourth possible implementation manner of the embodiment of the present application, detecting a load applied to a pulsator includes:
determining the power of the variable frequency motor driving the impeller to operate;
and determining the load applied to the impeller according to the power.
As a fifth possible implementation manner of the embodiment of the present application, adjusting the running beat of the pulsator according to the load variation includes:
when the load variation is determined to be larger than the threshold value, the impeller is adjusted to be in a shaking and scattering beat;
and adjusting the impeller to a washing beat every time when the load variation is determined to be smaller than or equal to the threshold value.
As a sixth possible implementation manner of the embodiment of the present application, a time length when the pulsator rotates once in the washing beat is longer than a time length when the pulsator rotates once in the shaking beat.
As a seventh possible implementation manner of the embodiment of the present application, an angle at which the pulsator rotates once in the washing beat is greater than an angle at which the pulsator rotates once in the shaking-out beat.
The control method of the clothes treatment device of the embodiment of the application, water is fed into the clothes treatment device; controlling a motor of the clothes treatment device to drive a wave wheel to rotate so as to execute a washing process; monitoring the load variation applied to the impeller in the washing process; and adjusting the running beat of the impeller according to the load variation. The method monitors the load variation applied to the impeller in the washing process to adjust the running beat of the impeller according to the load variation, thereby avoiding the twisting of clothes in the washing process and improving the washing effect of the clothes.
An embodiment of the second aspect of the present application provides a control device of a clothes treatment device, including:
the water inlet module is used for controlling water inlet of the clothes treatment device;
a washing module for controlling a motor of the clothes treatment device to drive a pulsator to operate so as to perform a washing process;
the monitoring module is used for monitoring the load variation applied to the impeller in the washing process;
and the adjusting module is used for adjusting the running beat of the impeller according to the load variation.
The control device of the clothes treatment device of the embodiment of the application, water is fed into the clothes treatment device; controlling a motor of the clothes processing device to drive a wave wheel to rotate so as to execute a washing process; monitoring the load variation applied to the impeller in the washing process; and adjusting the running beat of the impeller according to the load variation. The method monitors the load variation applied to the impeller in the washing process to adjust the running beat of the impeller according to the load variation, thereby avoiding the twisting of clothes in the washing process and improving the washing effect of the clothes.
An embodiment of the third aspect of the present application provides a clothes processing apparatus, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the control method as described in the above embodiments.
Additional aspects and advantages of the present application 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 present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application 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 schematic flowchart of a control method of a clothes treatment apparatus according to an embodiment of the present application;
fig. 2 is a schematic flowchart of another control method of a laundry treatment apparatus according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a control device of a clothes treatment device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a control device of another clothes treatment device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
A control method of a laundry treatment apparatus, an apparatus, a laundry treatment apparatus of an embodiment of the present application are described below with reference to the accompanying drawings.
Fig. 1 is a schematic flowchart of a control method of a laundry treatment apparatus according to an embodiment of the present application.
As an example, the following describes a control method of a laundry treatment apparatus in detail by taking the laundry treatment apparatus as a pulsator washing machine.
As shown in fig. 1, the control method of the laundry treating apparatus includes the steps of:
In the embodiment of the application, before washing the clothes, after detecting that the clothes to be washed are placed in the washing barrel of the clothes treatment device, the water inlet valve of the clothes treatment device is controlled to be opened so as to fill water into the clothes treatment device.
As a possible implementation manner, after the laundry treating apparatus is powered on, the laundry treating apparatus may automatically control the water inlet valve to open to fill the water into the laundry treating apparatus after detecting that the laundry to be washed is put into the washing tub of the laundry treating apparatus by the user.
As another possible implementation manner, after the laundry treatment device is powered on, the laundry treatment device detects that the user places the laundry to be washed in the washing tub of the laundry treatment device, and after the laundry treatment device detects that the water filling level is set by the user, the water inlet valve is controlled to be opened to fill the laundry treatment device to the set water filling level in response to the user operation.
It should be noted that the water level of the inlet water of the laundry treatment device may be determined according to the amount of the laundry placed in the washing tub of the laundry treatment device, or may be preset by the user, which is not limited herein in this embodiment.
And 102, controlling a motor of the clothes treatment device to drive a wave wheel to rotate so as to execute a washing process.
In the embodiment of the application, after the water inlet of the clothes treatment device is finished, the clothes to be washed in the washing barrel are completely soaked and are in an un-winding state, then the motor of the clothes treatment device is controlled to drive the impeller to rotate, meanwhile, the load applied to the impeller is detected, the first-time wet cloth weighing of the clothes in the washing barrel is completed, and the weighing result is taken as a set standard value.
After the wet cloth is weighed for the first time, the motor of the clothes treatment device drives the impeller to continuously operate, the washing process formally starts, and under the driving of the impeller, water flow in the washing barrel forms vortex which is sometimes left-handed and sometimes right-handed, and clothes in the washing barrel are driven to rotate and roll along with the water flow so as to execute the washing process according to the set beat. The load applied to the impeller during the operation of the impeller is detected in the washing process, the load indicated value is determined, and the weight of the wet clothes in the washing process can be fed back according to the load indicated value. For example, the weight of the wet clothes may be measured from the back electromotive force pulse or power of the pulsator driving motor.
As an example, the motor of the laundry processing apparatus may drive the pulsator to periodically operate according to a washing cycle, so as to perform the washing process, wherein a washing cycle is T seconds of forward rotation, T seconds of stall, T seconds of reverse rotation, and T seconds of stall, where T is greater than or equal to 0.6 and less than or equal to 5, and the process is repeated until the washing process is completed.
And 103, monitoring the load variation applied to the impeller in the washing process.
In the embodiment of the application, the motor for controlling the clothes treatment device drives the impeller to operate, and in the process of washing, along with the increase of washing time, clothes can be wound together and concentrated right above the impeller, and the wound clothes can be settled downwards, so that the load on the applied impeller can be changed. Therefore, the load applied to the impeller can be monitored once at certain intervals in the washing process, so that the running beat of the impeller is adjusted according to the monitored load variation applied to the impeller until the washing process is finished. The time interval may be 30 seconds to 2 minutes, preferably 60 seconds.
Wherein the load variation amount may be a difference between a load applied to the pulsator during the washing process and a load applied to the pulsator before the washing process is performed.
It should be noted that, the greater the load variation amount during the washing process performed by the laundry treatment device, the more serious the entanglement of the laundry being washed in the washing tub is. It can be understood that, in the washing tub, laundry is entangled, and the weight of the laundry is concentrated on the pulsator, increasing the frictional force between the laundry and the pulsator, thereby causing an increase in the load applied to the pulsator.
As an example, if a machine-type clothes treating apparatus is tested, after the clothes treating apparatus finishes water feeding, the clothes in the washing tub are weighed by wet cloth for three times, and the weighing results are 104kg, 104kg and 106kg respectively, and the clothes in the washing tub are in an unwound state. Controlling a motor of the clothes treatment device to drive a wave wheel to rotate, carrying out washing process according to washing beat for 2 minutes, carrying out three-time wet cloth weighing on clothes in the washing barrel again, wherein the obtained weighing results are 109kg, 108kg and 110kg respectively, and the clothes in the washing barrel are in a slightly winding state at the moment. And continuously controlling the clothes treatment device to execute the washing process until the washing time is 4 minutes, and carrying out three-time wet cloth weighing on the clothes in the washing barrel again to obtain weighing results of 115kg, 116kg and 115kg respectively, wherein the clothes in the washing barrel are in a winding state at the moment. Thus, by monitoring the load applied to the pulsator during washing, it may be determined that the entanglement of laundry in the washing tub is more serious as the washing time period increases.
And 104, adjusting the running beat of the impeller according to the load variation.
In the embodiment of the application, in order to avoid the phenomenon that the clothes in the washing barrel are more seriously wound along with the increase of the washing time in the washing process, after the load variation applied to the impeller is monitored in the washing process, the running beat of the impeller can be adjusted according to the load variation so as to solve the problem that the clothes are wound in the washing process of the clothes treatment device, and meanwhile, the washing ratio can be improved to the maximum extent. The washing ratio is the degree to which the clothes are washed clean.
As a possible implementation mode, the load variation applied to the impeller in the washing process is monitored, and the impeller is adjusted to be shaken and scattered in beat when the load variation is determined to be larger than a threshold value.
As an example, when the motor of the laundry processing apparatus drives the pulsator to periodically operate according to a shaking pitch to perform the shaking process, a period of the shaking pitch is T seconds of forward rotation, T seconds of stall, T seconds of reverse rotation, and T seconds of stall, where T is greater than or equal to 0.2 and less than or equal to T and less than or equal to 1, and the process is repeated until the shaking process is completed.
As an example, it is assumed that the load applied to the pulsator is determined according to the back electromotive force pulse of the driving motor, i.e., the larger the load, the larger the back electromotive force pulse value of the driving motor, and the positive correlation therebetween is. At this time, the set threshold value may be a pulse value of 1-30, preferably a pulse of 7, taking the data of the inventor in the experiment as an example, the back electromotive force pulse value corresponding to the standard value is set to 105, the pulse value when the clothes are wound together is greater than 112, and the pulse value corresponding to the threshold value is 7 (112-105), so when the load variation applied to the pulsator during the washing process is greater than 7 pulses, in this case, the load variation applied to the pulsator is large, and at this time, the clothes are wound around each other, and the shaking process needs to be performed, and the pulsator may be adjusted from the washing beat to the shaking beat to shake the clothes wound around each other in the washing tub.
As another possible implementation manner, the load variation applied to the pulsator in the washing process is monitored, and the pulsator is adjusted to a washing beat whenever the load variation is determined to be less than or equal to a threshold.
As an example, the motor of the laundry processing apparatus may drive the pulsator to periodically operate according to a washing cycle, so as to perform the washing process, where a washing cycle is a period of the pulsator rotating forward for T seconds, a period of the pulsator stalling for T seconds, a period of the pulsator rotating backward for T seconds, and a value of T is greater than or equal to 0.6 and less than or equal to 5, and the process is repeated until the washing process is completed.
It can be understood that when the variation of the load applied to the pulsator is less than or equal to the threshold, the laundry is not entangled in the washing tub, and the pulsator may be adjusted to a washing beat to increase the washing ratio of the laundry.
The time length T of one rotation of the impeller in the beat shaking process is less than or equal to the time length T of one rotation of the impeller in the washing beat shaking process, and the angle of one rotation of the impeller in the beat shaking process is less than that of one rotation of the impeller in the washing beat washing process.
In the embodiment of the application, before the clothes treatment device is controlled to execute the washing process, after the load applied to the impeller is detected, the clothes treatment device is controlled to execute the washing process, and the impeller is adjusted to a washing beat. In the process of washing clothes by adopting a washing beat, monitoring the load variation applied to the impeller, adjusting the impeller to a shaking-out beat when determining that the load variation is greater than a threshold value, and controlling the impeller to continuously execute the washing process to a preset time length by adopting the shaking-out beat. And continuously detecting the load variation applied to the impeller, and when the load variation is determined to be smaller than or equal to the threshold value, adjusting the impeller to be a washing rhythm so as to continuously execute the washing process by adopting the washing rhythm, and circulating the steps until the washing process is completed. Therefore, in the process of controlling the clothes treatment device to perform washing, the clothes are prevented from being entangled, and the washing ratio of the clothes is improved.
Wherein the threshold represents a load variation amount indicating that the laundry has entangled with each other, and the laundry is subjected to a shaking process. When the back emf pulse value is used as the metered load indicator value, the threshold value is preferably a pulse value of 1-30, more preferably 7, although other values may be provided in other embodiments depending on the particular application.
In one possible case, the duration of one rotation of the pulsator for the washing beat is longer than the duration of one rotation of the dither beat pulsator for one beat period, for example, the duration of one forward or reverse rotation of the washing beat pulsator is 5 seconds, and the duration of one forward or reverse rotation of the dither beat pulsator is 1 second. Therefore, in the process of controlling the clothes processing device to execute the washing process, the clothes are prevented from being entangled, and the washing ratio of the clothes is improved.
In the embodiment of the application, in one beat period, the angle of one rotation of the washing beat wave wheel is larger than that of one rotation of the shaking beat wave wheel. Therefore, when the impeller is adjusted to the washing beat to wash clothes, a larger rotation angle is adopted, and the washing effect of the clothes is improved.
The control method of the clothes treatment device of the embodiment of the application, water is fed into the clothes treatment device; controlling a motor of the clothes processing device to drive a wave wheel to rotate so as to execute a washing process; monitoring the load variation applied to the impeller in the washing process; and adjusting the running beat of the impeller according to the load variation. The method monitors the load variation applied to the impeller in the washing process to adjust the running beat of the impeller according to the load variation, thereby avoiding the twisting of clothes in the washing process and improving the washing effect of the clothes.
As a possible implementation manner, in step 103, the load applied to the pulsator may be detected multiple times during the washing process to obtain a load indication value, and then a corresponding load variation amount may be determined according to a difference between the load indication value and a set standard value. The above process is described in detail with reference to fig. 2, and fig. 2 is a schematic flowchart of another control method of a laundry treatment apparatus according to an embodiment of the present application.
As shown in fig. 2, the step 103 may further include the following steps:
In the embodiment of the application, the motor of the clothes treatment device is controlled to drive the impeller to operate, and the load applied to the impeller can be detected for multiple times in the washing process to obtain the load indicated value.
As a possible implementation manner, the load indication value may be a back electromotive force pulse value generated when the wave wheel continues to operate after the fixed-frequency motor is powered off. In this case, the load indication value can be determined based on the back electromotive force pulse value by detecting the back electromotive force pulse value generated when the impeller continues to operate after the constant frequency motor driving the impeller to operate is powered off. For example, the constant frequency motor is driven to rotate and stop, a group of back electromotive force pulse values are generated after the constant frequency motor is powered off, and the load indication value can be determined by reading the back electromotive force pulse values through the clothes treatment device. Such as pulse values 109, 112, etc.
As another possible implementation mode, the load indicating value exerted on the impeller during the operation of the impeller can be the power for driving the impeller to operate by the variable frequency motor. In this case, the power of the inverter motor driving the pulsator to operate can be detected when the inverter motor drives the pulsator to operate, so as to determine the load indication value according to the power of the inverter motor driving the pulsator to operate.
For example, when the wet clothes weight is determined according to the power of the inverter motor driving the impeller to operate during the washing process, information such as a first total power P1 of the inverter motor driving the impeller to operate during the washing process in a rotation speed increasing stage, a second total power P2 of the inverter motor driving the impeller to operate during the stable washing stage, and a rotating average torque fluctuation value T0 of the impeller during the stable washing stage can be obtained. When the variable frequency motor reaches a first rotating speed, the power of the variable frequency motor is accumulated when the impeller rotates for one circle, when the impeller rotates for m circles in the washing stage, the impeller rotates for m circles together, and the total power of the variable frequency motor rotating for m circles by the impeller is accumulated to be a first total power P1. In the washing process, when the variable frequency motor stably rotates at a second rotating speed, the total power for driving the impeller to rotate for a second number of turns n is a second total power P2. And in the stable washing stage, the rotation fluctuation value of the variable frequency motor of each rotation circle of the washing barrel is obtained, the total rotation number of the washing barrel is obtained, and the average torque fluctuation value T0 can be obtained through calculation.
Further, the weight of the wet clothes in the washing tub is calculated according to the following formula:
f(G)＝K1*(P1/m+K2*P2/n)+K3*P1*P2/T0
wherein f (G) is the weight of the wet clothes after water enters the washing barrel; p1 is a first total power; p2 is the second total power; m is the first number of turns; n is a second number of turns; t0 is an average torque ripple value; k1, K2 and K3 are inertia constants.
While the above is a calculation method of representing the load by power, in other embodiments, other calculation methods may be used, and are not limited to the above calculation method.
In the embodiment of the application, in the washing process, the load applied to the impeller is detected for multiple times, and after the load indicating values are obtained, the corresponding load variation can be determined according to the difference between each load indicating value and the set standard value.
Wherein, the set standard value refers to the load applied on the impeller after the water is fed into the clothes treatment device and before the clothes treatment device executes the washing process.
As an example, if the set standard value of the load is ase:Sub>A, the load applied to the pulsator is detected as B during washing by controlling the motor of the laundry treatment apparatus to operate the pulsator, and the load variation amount is B-ase:Sub>A this time.
According to the control method of the clothes treatment device, the load applied to the impeller is detected for multiple times in the washing process to obtain the load indication values, and the corresponding load variation is determined according to the difference between each load indication value and the set standard value. Therefore, the load variation of different periods in the washing process can be obtained, so that the running beat of the impeller can be adjusted according to the load variation, and the phenomenon that clothes are wound in the washing process is avoided.
In order to implement the above embodiments, the present application also proposes a control device of a laundry treatment device.
Fig. 3 is a schematic structural diagram of a control device of a laundry treatment device according to an embodiment of the present application.
As shown in fig. 3, the control device 300 of the laundry treating apparatus may include: a water intake module 310, a washing module 320, a monitoring module 330, and an adjustment module 340.
A water inlet module 310 for controlling water inlet to the laundry treating apparatus.
And a washing module 320 for controlling the motor of the laundry treating apparatus to drive the pulsator to operate, so as to perform a washing process.
And the monitoring module 330 is used for monitoring the load variation applied to the pulsator in the washing process.
And the adjusting module 340 is configured to adjust the running beat of the pulsator according to the load variation.
As a possible implementation, the monitoring module 330 may be further configured to:
in the washing process, detecting the load applied on the impeller for multiple times to obtain a load indication value;
and determining corresponding load variation according to the difference between each load indication value and the set standard value.
As another possible implementation manner, referring to fig. 4, the control device 300 of the laundry treating device may further include:
and a detection module 350 for detecting the load applied to the pulsator as a set standard value.
As another possible implementation manner, the detection module 350 may further be configured to:
determining a counter electromotive force pulse value generated when the wave wheel continues to operate after the fixed frequency motor is powered off for the fixed frequency motor driving the wave wheel to operate;
and determining the load applied to the impeller according to the back electromotive force pulse value.
As another possible implementation manner, the detection module 350 may be further configured to:
determining the power of the variable frequency motor driving the impeller to operate;
and determining the load applied to the impeller according to the power.
As another possible implementation manner, the adjusting module 340 may further be configured to:
when the load variation is determined to be larger than the threshold value, the impeller is adjusted to be in a shaking and scattering beat;
and adjusting the impeller to a washing beat every time when the load variation is determined to be smaller than or equal to the threshold value.
As another possible implementation, the duration of one rotation of the washing beat pulsator is longer than the duration of one rotation of the shaking beat pulsator.
As another possible implementation, the washing beat pulsator rotates once by an angle greater than that of the shaking beat pulsator.
It should be noted that the foregoing explanation of the embodiment of the control method of the laundry treatment apparatus is also applicable to the control apparatus of the laundry treatment apparatus of this embodiment, and is not repeated herein.
The control device of the clothes treatment device of the embodiment of the application, water is fed into the clothes treatment device; controlling a motor of the clothes treatment device to drive a wave wheel to rotate so as to execute a washing process; monitoring the load variation applied to the impeller in the washing process; and adjusting the running beat of the impeller according to the load variation. The method monitors the load variation applied to the impeller in the washing process to adjust the running beat of the impeller according to the load variation, thereby avoiding the twisting of clothes in the washing process and improving the washing effect of the clothes.
In order to implement the above embodiments, the present application also proposes a clothes treatment apparatus, which includes a memory, a processor and a computer program stored on the memory and executable on the processor, and when the processor executes the program, the clothes treatment apparatus implements the control method as described in the above embodiments.
In order to implement the above embodiments, the present application also proposes a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the control method as described in the above embodiments.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Further, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may also be stored in a computer-readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (7)
1. A control method of a laundry treatment apparatus, characterized in that the method comprises the steps of:
water is fed into the clothes treatment device;
controlling a motor of the clothes treatment device to drive a wave wheel to rotate so as to execute a washing process;
monitoring the load variation applied to the impeller in the washing process;
adjusting the running beat of the impeller according to the load variation; adjusting the running beat of the impeller according to the load variation, including: when the load variation is determined to be larger than a threshold value, the impeller is adjusted to be in a shaking and scattering beat; or when the load variation is determined to be smaller than or equal to the threshold value, the impeller is adjusted to be a washing beat, the time length of one rotation of the impeller in the washing beat is greater than the time length of one rotation of the impeller in the shaking beat, and the angle of one rotation of the impeller in the washing beat is greater than the angle of one rotation of the impeller in the shaking beat.
2. The control method according to claim 1, wherein the monitoring of the amount of change in the load applied to the pulsator during the washing includes:
in the washing process, detecting the load applied to the impeller for multiple times to obtain a load indication value;
and determining the corresponding load variation according to the difference between each load indication value and a set standard value.
3. The control method according to claim 2, wherein before the performing the washing course, further comprising:
and detecting the load applied to the pulsator as the set standard value.
4. The control method according to claim 2 or 3, wherein the detecting a load applied to the pulsator includes:
determining a back electromotive force pulse value generated when the impeller continues to operate after the fixed frequency motor is powered off for a fixed frequency motor driving the impeller to operate;
and determining the load applied to the impeller according to the back electromotive force pulse value.
5. The control method according to claim 2 or 3, wherein the detecting a load applied to the pulsator, includes:
determining the power of the variable frequency motor for driving the impeller to operate for the variable frequency motor which drives the impeller to operate;
determining a load applied to the pulsator according to the power.
6. A control device of a laundry treatment apparatus, characterized in that the apparatus is configured to implement the control method according to any one of claims 1-5, the apparatus comprising:
the water inlet module is used for controlling water inlet of the clothes treatment device;
a washing module for controlling a motor of the laundry treatment apparatus to drive a pulsator to operate to perform a washing process;
the monitoring module is used for monitoring the load variation applied to the impeller in the washing process;
and the adjusting module is used for adjusting the running beat of the impeller according to the load variation.
7. A laundry treatment apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the control method according to any one of claims 1-5 when executing the program.
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