CN114000310A - Washing machine self-cleaning control method and device, storage medium and washing machine - Google Patents
Washing machine self-cleaning control method and device, storage medium and washing machine Download PDFInfo
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- CN114000310A CN114000310A CN202111290017.1A CN202111290017A CN114000310A CN 114000310 A CN114000310 A CN 114000310A CN 202111290017 A CN202111290017 A CN 202111290017A CN 114000310 A CN114000310 A CN 114000310A
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- 238000005406 washing Methods 0.000 title claims abstract description 270
- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000004140 cleaning Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 186
- 239000007788 liquid Substances 0.000 claims abstract description 147
- 238000002791 soaking Methods 0.000 claims abstract description 70
- 238000007605 air drying Methods 0.000 claims abstract description 58
- 230000008569 process Effects 0.000 claims abstract description 32
- 238000009991 scouring Methods 0.000 claims abstract description 17
- 230000001133 acceleration Effects 0.000 claims description 54
- 238000011010 flushing procedure Methods 0.000 claims description 38
- 238000004590 computer program Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000002203 pretreatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 235000011194 food seasoning agent Nutrition 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009278 visceral effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/46—Control of the energy or water consumption
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/02—Water supply
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/08—Draining of washing liquids
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention provides a washing machine self-cleaning control method, a device, a storage medium and a washing machine, wherein the method comprises the following steps: the self-cleaning process of the washing machine comprises the following steps: a soaking pretreatment stage, a water flow scouring stage and a pollution discharge and air drying stage; and controlling the motor of the washing machine to rotate based on different preset liquid level heights respectively in the soaking pretreatment stage, the water flow scouring stage and the pollution discharge and air drying stage so as to realize the soaking pretreatment, the water flow scouring and the pollution discharge and air drying of the washing barrel of the washing machine. The scheme provided by the invention can realize the barrel cleaning function on the premise of lowest energy consumption.
Description
Technical Field
The invention relates to the field of control, in particular to a washing machine self-cleaning control method and device, a storage medium and a washing machine.
Background
Most of barrel self-cleaning procedures of the existing washing machine are that water is filled into a washing barrel for soaking, and meanwhile, a wave wheel is rotated according to a common washing rhythm to make common water flow to wash the inner barrel wall and the outer barrel wall.
Disclosure of Invention
The main purpose of the present invention is to overcome the above-mentioned drawbacks of the related art, and to provide a self-cleaning control method, device, storage medium and washing machine, so as to solve the problem of poor cleaning effect of the washing machine tub self-cleaning program in the related art.
The invention provides a self-cleaning control method of a washing machine, which comprises the following steps: the self-cleaning process of the washing machine comprises the following steps: a soaking pretreatment stage, a water flow scouring stage and a pollution discharge and air drying stage; and controlling the motor of the washing machine to rotate based on different preset liquid level heights respectively in the soaking pretreatment stage, the water flow scouring stage and the pollution discharge and air drying stage so as to realize the soaking pretreatment, the water flow scouring and the pollution discharge and air drying of the washing barrel of the washing machine.
Optionally, in the soaking pretreatment stage, the water flushing stage and the blowdown and air drying stage, the motor of the washing machine is controlled to rotate based on different preset liquid levels respectively, including: controlling the washing barrel of the washing machine to feed water to a preset highest water level height in the soaking pretreatment stage; controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in a washing barrel to rotate; when the liquid level height in the washing barrel is detected to be within a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed; in the water flow flushing stage, controlling the washing machine to drain water to enable the liquid level height in a washing barrel of the washing machine to be reduced to a first preset liquid level height; controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in the washing barrel to rotate; when the liquid level in the washing barrel rises to a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed; in the pollution discharge and air drying stage, controlling the washing machine to feed water to a second preset height, and soaking the washing barrel of the washing machine for a seventh preset time; after soaking, controlling the washing machine to drain water, controlling the motor to increase the speed to the target speed according to a second preset acceleration, and keeping rotating at the target speed; and when the liquid level height in the washing barrel is reduced to the preset lowest liquid level height, controlling the motor to increase the speed to a first preset rotating speed according to a third preset acceleration, and keeping rotating at the first preset rotating speed.
Optionally, the method further comprises: when the motor is controlled to rotate at a first preset acceleration, if the fact that the liquid level height in the washing barrel is larger than the difference between the preset overflow height and a second preset value is detected, the motor is controlled to stop rotating for a preset stop time, and then the motor is controlled to rotate at the first preset acceleration until the fact that the liquid level height in the washing barrel rises to a set height range is detected.
Optionally, the setting of the height range includes: the water level is greater than the sum of the preset highest water level height and a first preset value and is less than the difference between the preset overflow height and a second preset value; and/or the first preset liquid level height is equal to the impeller height of the washing machine, and/or the second preset liquid level height is equal to half of the highest water level height of the washing barrel of the washing machine.
Optionally, the method further comprises: when the running time of the washing machine in the soaking pretreatment stage reaches a third preset time, the washing machine exits from the soaking pretreatment stage and enters a water flow flushing stage; and/or controlling the washing machine to drain water when the running time of the washing machine in the water flow flushing stage reaches a sixth preset time, so that the liquid level in the washing barrel of the washing machine is reduced to a preset minimum liquid level height, and then entering a pollution discharge and air drying stage.
In another aspect of the present invention, there is provided a self-cleaning control apparatus for a washing machine, the self-cleaning process of the washing machine including: a soaking pretreatment stage, a water flow scouring stage and a pollution discharge and air drying stage; the control device includes: and the control unit is used for controlling the motor of the washing machine to rotate based on different preset liquid level heights respectively in the soaking pretreatment stage, the water flow scouring stage and the pollution discharge and air drying stage so as to realize the soaking pretreatment, the water flow scouring and the pollution discharge and air drying of the washing barrel of the washing machine.
Optionally, the control unit controls the motor of the washing machine to rotate based on different preset liquid levels respectively in the soaking pretreatment stage, the water flow flushing stage and the sewage and air drying stage, and includes: controlling the washing barrel of the washing machine to feed water to a preset highest water level height in the soaking pretreatment stage; controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in a washing barrel to rotate; when the liquid level height in the washing barrel is detected to be within a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed; in the water flow flushing stage, controlling the washing machine to drain water to enable the liquid level height in a washing barrel of the washing machine to be reduced to a first preset liquid level height; controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in the washing barrel to rotate; when the liquid level in the washing barrel rises to a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed; in the pollution discharge and air drying stage, controlling the washing machine to feed water to a second preset height, and soaking the washing barrel of the washing machine for a seventh preset time; after soaking, controlling the washing machine to drain water, controlling the motor to increase the speed to the target speed according to a second preset acceleration, and keeping rotating at the target speed; and when the liquid level height in the washing barrel is reduced to the preset lowest liquid level height, controlling the motor to increase the speed to a first preset rotating speed according to a third preset acceleration, and keeping rotating at the first preset rotating speed.
Optionally, the control unit is further configured to: when the motor is controlled to rotate at a first preset acceleration, if the fact that the liquid level height in the washing barrel is larger than the difference between the preset overflow height and a second preset value is detected, the motor is controlled to stop rotating for a preset stop time, and then the motor is controlled to rotate at the first preset acceleration until the fact that the liquid level height in the washing barrel rises to a set height range is detected.
Optionally, the setting of the height range includes: the water level is greater than the sum of the preset highest water level height and a first preset value and is less than the difference between the preset overflow height and a second preset value; and/or the first preset liquid level height is equal to the impeller height of the washing machine, and/or the second preset liquid level height is equal to half of the highest water level height of the washing barrel of the washing machine.
Optionally, the control unit is further configured to: when the running time of the washing machine in the soaking pretreatment stage reaches a third preset time, the washing machine exits from the soaking pretreatment stage and enters a water flow flushing stage; and/or controlling the washing machine to drain water when the running time of the washing machine in the water flow flushing stage reaches a sixth preset time, so that the liquid level in the washing barrel of the washing machine is reduced to a preset minimum liquid level height, and then entering a pollution discharge and air drying stage.
A further aspect of the invention provides a storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of any of the methods described above.
In a further aspect, the invention provides a washing machine comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described above when executing the program.
The invention further provides a washing machine, which comprises the self-cleaning control device of the washing machine.
According to the technical scheme of the invention, in a soaking pretreatment stage, a water flow flushing stage and a pollution discharge and air drying stage, the motor of the washing machine is controlled to rotate based on different preset liquid level heights respectively so as to realize the soaking pretreatment, the water flow flushing and the pollution discharge and air drying of a washing barrel of the washing machine; the rotating speed and the rotating stop time of the motor are controlled by detecting the height of the highest water level in the washing barrel, and the maximum rotating speed and the reasonable rotating time of the motor are set on the premise of ensuring that the water level cannot overflow in the soaking pretreatment stage, so that the effect of flushing the inner wall and the outer wall of the washing barrel by high-speed water flow is realized. Meanwhile, reasonable cleaning steps are set, and the barrel cleaning function is achieved on the premise of lowest energy consumption. Due to the action of centrifugal force, the impeller can produce a safe and stable high-speed water flow in the rotating process, the moving direction of the high-speed water flow comprises a clockwise direction and an anticlockwise direction, the high-speed water flow can wash the wall surfaces of the inner barrel and the outer barrel, so that the barrel cleaning function is realized, and finally, the visceral dirt in the barrel is discharged through the process of dewatering with water. The function of cleaning the washing barrel is realized by detecting the height of the water level in the washing barrel. Meanwhile, by planning reasonable cleaning steps, the cleaning device achieves low water consumption and low power consumption and achieves a good cleaning effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram illustrating a self-cleaning control method for a washing machine according to an embodiment of the present invention;
FIG. 2 illustrates control logic for the soak pre-treatment phase in accordance with one embodiment of the present invention;
FIG. 3 illustrates the control logic for the high velocity water flush stage according to one embodiment of the present invention;
FIG. 4 illustrates control logic for the blowdown and seasoning phase according to an embodiment of the present invention;
fig. 5 is a block diagram of an embodiment of a self-cleaning control device for a washing machine according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the 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 terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a self-cleaning control method for a washing machine. The method comprises the steps of controlling the rotation of a motor of the washing machine based on different preset liquid level heights respectively in the soaking pretreatment stage, the water flow flushing stage and the pollution discharge and air drying stage so as to realize the soaking pretreatment, the water flow flushing and the pollution discharge and air drying of a washing barrel of the washing machine.
Fig. 1 is a schematic diagram of a method of a self-cleaning control method for a washing machine according to an embodiment of the present invention.
As shown in fig. 1, according to an embodiment of the present invention, the washing machine self-cleaning process includes a soaking pretreatment stage, a water flush stage, and a blowdown and air drying stage.
In one specific embodiment, in the soaking pretreatment stage, the washing tub of the washing machine is controlled to feed water to a preset maximum liquid level height; controlling a motor to rotate at a rising speed according to a first preset acceleration a1 so that a wave wheel of the washing machine rotates to drive water flow in a washing barrel to rotate; and when the liquid level height in the washing barrel is detected to be within a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed. The method comprises the steps of firstly controlling a motor to rotate at a rising speed according to a first preset acceleration a1 in a clockwise (or anticlockwise) direction, when the liquid level height in a washing barrel is within a set height range, rotating for a first preset time T1 in a clockwise (or anticlockwise, namely the direction is consistent with the starting direction), stopping for a second preset time T2, then controlling the motor to rotate at the rising speed according to the first preset acceleration in the anticlockwise (or clockwise) direction, when the liquid level height in the washing barrel is within the set height range, rotating for the first preset time T1 in the anticlockwise (or clockwise) direction, stopping for the second preset time T2, and so on. And when the running time of the washing machine in the soaking pretreatment stage reaches a third preset time T3, exiting the soaking pretreatment stage and entering a water flushing stage. The set height range includes: greater than the sum of the preset maximum level and the first preset value s1 and less than the difference between the preset overflow height and the second preset value s 2. The run time of the soaking pre-treatment phase starts when the water intake is completed.
Optionally, when the motor is controlled to rotate at a first preset acceleration, if the liquid level in the washing tub is detected to be higher than the difference between the preset overflow height and the second preset value, the motor is controlled to stop rotating for a preset stop time T0, and then the motor is controlled to rotate at the first preset acceleration until the liquid level in the washing tub is detected to rise to a set height range.
For example, FIG. 2 illustrates the control logic for the soak pre-treatment phase in accordance with one embodiment of the present invention. As shown in fig. 2, firstly, controlling the washing tub of the washing machine to feed water to the highest water level, starting timing after water feeding is completed, and setting a speed-up acceleration a1 of the motor, namely a first preset acceleration a1, controlling the motor to start clockwise, and enabling the impeller to rotate to drive the water flow to rotate according to the speed-up acceleration a1, wherein the height of the outermost side of the liquid level of the water flow is increased in the rotation process, and the liquid level height needs to be within a set height range, namely the highest liquid level + s1 and the overflow height-s 2. If the liquid level height is larger than the overflow height-s 2, in order to ensure that the water cannot overflow, the motor is controlled to stop for T0 time (namely preset stop time), the liquid level height can be reduced to the normal height, and then the motor speed-up rotation process is executed again, so that the liquid level height is within a set height range (namely the highest water level + a is not less than the liquid level height H is not less than the overflow height-s). When the liquid level is within the set height range, controlling the motor to execute the motor beat according to the current rotating speed: turning to T1 time and stopping for T2 time; then the motor is controlled to start anticlockwise, the rotating speed is increased according to the acceleration a1, and the same process as that of the clockwise starting of the motor is repeated (refer to the figure 2). The process can ensure that the liquid level can be soaked to the highest position of the inner barrel and the outer barrel, so that stains on the walls of the barrels can be soaked and softened, and preparation is made for the next stage of flushing. The preset running time of the stage is T3 (i.e. the third preset time), T3 may be 10min (counting from the completion of water inflow), and when the total running time of the process is greater than T3, the next stage is entered: and (5) a high-speed water flow flushing stage.
In one specific embodiment, in the water flow flushing stage, the washing machine is controlled to drain water, so that the liquid level height in a washing barrel of the washing machine is reduced to a first preset liquid level height; controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in the washing barrel to rotate; and when the liquid level in the washing barrel rises to a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed. The method comprises the steps of firstly controlling a motor to start clockwise (or anticlockwise) to rotate at a rising speed according to a first preset acceleration a1, when the liquid level height in a washing barrel is within a set height range, rotating clockwise (or anticlockwise, namely the direction is consistent with the starting direction) for a fourth preset time T4, stopping the fifth preset time T5, then controlling the motor to start anticlockwise (or clockwise) to rotate at a rising speed according to the first preset acceleration a1, when the liquid level height in the washing barrel is within the set height range, rotating anticlockwise (or clockwise) for the fourth preset time T4, stopping the fifth preset time T5, and the like. And when the running time of the washing machine in the water flow flushing stage reaches a sixth preset time T6, controlling the washing machine to drain water, so that the liquid level in the washing barrel of the washing machine is reduced to a preset minimum liquid level height, and entering a sewage draining and air drying stage. Namely, when the liquid level in the washing barrel of the washing machine is reduced to the preset lowest liquid level height, the washing machine enters a pollution discharge and air drying stage. In a specific embodiment, the first preset liquid level height is equal to a pulsator height of the washing machine.
Optionally, when the motor is controlled to rotate at a first preset acceleration, if the liquid level in the washing tub is detected to be higher than the difference between the preset overflow height and the second preset value, the motor is controlled to stop rotating for a preset stop time T0, and then the motor is controlled to rotate at the first preset acceleration until the liquid level in the washing tub is detected to rise to a set height range.
Fig. 3 shows the control logic for the high velocity water flush stage. As shown in fig. 3, after the soaking pretreatment stage is finished, the drainage tractor is opened to drain water, and the drainage tractor is closed when the water level in the washing tub is lowered to H1. The liquid level H1 at this time is relatively low, for example, at a level equal to the highest point of the pulsator. At the moment, the motor is started clockwise, the speed is increased according to a first preset acceleration a1, the outermost height of the liquid level is detected, the centrifugal force applied to the water in the barrel is increased along with the increase of the rotating speed of the impeller, the liquid level of the outermost side of the water is increased continuously, when the highest height of the liquid level is increased to be between the highest liquid level + s1 and the overflow height-s 2, the motor keeps the current rotating speed to operate for T4 time (fourth preset time), and the T5 (fifth preset time) time is stopped. Then the motor is controlled to start anticlockwise, the rotating speed is increased according to the acceleration a1, and the same process as that of the clockwise starting of the motor is repeated (refer to the figure 3). The motor rotating speed in the process is high, the centripetal force on the water in the barrel is also high, and therefore the dirt on the wall of the outer barrel can be effectively washed. The process motor speed is typically around 400rpm with a hold time of, for example, 10 seconds. The time preset for this stage is T6, which is a second preset time, and the time of T6 may be set to 5min, for example. When the total operation time of the process is greater than T6 (sixth preset time), the next step is carried out, the drainage tractor is opened for drainage, when the liquid level is reduced to the height of an empty barrel, namely the preset lowest liquid level height, the height of the empty barrel refers to the lowest liquid level which can be detected by the liquid level sensor, and the next step is carried out, namely the drainage and air drying step.
In a specific embodiment, in the blowdown and air drying stage, the washing machine is controlled to feed water to a second preset height, and the washing barrel of the washing machine is soaked for a seventh preset time; after soaking, controlling the washing machine to drain water, controlling the motor to increase the speed to the target speed according to a second preset acceleration, and keeping rotating at the target speed; when the liquid level height in the washing barrel is reduced to a preset lowest liquid level height, controlling the motor to increase to a first preset rotating speed according to a third preset acceleration, and keeping rotating at the first preset rotating speed for air drying; and when the air drying time is more than or equal to eighth preset time (the air drying time is started when the liquid level height in the washing barrel is reduced to the preset minimum liquid level height), controlling the motor to be turned off. In one embodiment, the second predetermined liquid level height is equal to half of the maximum water level height of the washing tub of the washing machine.
Figure 4 shows the control logic for the blowdown and seasoning phases. As shown in fig. 4, after the high-speed water flow flushing stage is finished, water is fed again, the water feeding height is a second preset height H2, and the liquid level height is approximately half of the highest height of the inner barrel, namely 5-grade water level. Soaking for a time T7 (a seventh preset time), wherein the time T7 may be 2min, for example, after soaking is finished, the water drainage drawer is opened, the motor is started clockwise according to dehydration, the rotating speed of the motor is increased according to a second preset acceleration a2, and the target rotating speed is V0. At the moment, the water in the barrel is continuously drained while rotating, and the mode of dewatering with water can not only further wash dirt on the wall of the barrel, but also can discharge the dirt of the part which is not drained at the previous stage again. When the liquid level is detected to be reduced to the water level of the empty barrel, air drying is carried out, the motor is controlled to accelerate to V1 according to a third preset acceleration a3, V1 is larger than V0, and the high-speed rotation can generate larger wind power and accelerate the air drying of the barrel, so that the problem that bacteria are easily bred due to the fact that the barrel is wet can be avoided. And when the air drying time is longer than the eighth preset time T8, closing the motor, closing the drainage tractor and finishing the program operation. The T8 time may be 5 min.
The control method of the invention only enters one full-load water level and one middle-gear water level in the whole process, and the common barrel cleaning program needs to enter 2 full-load water levels at least, so the control method can save 25 percent of water. Meanwhile, due to the characteristic of high-efficiency cleaning, the power consumption can be greatly reduced, the general barrel cleaning program needs to run for about 1 hour, the power consumption is about 0.132 kW.h, the whole running time of the barrel cleaning program using the control method is only 30min, the power consumption is about 0.102 kW.h, and the power consumption is about 22.7 percent compared with the general barrel cleaning program.
The invention also provides a self-cleaning control device of the washing machine. The device 100 includes a control unit 110 for controlling the rotation of the motor of the washing machine based on different preset liquid levels respectively in the soaking pretreatment stage, the water flow flushing stage and the pollution discharge and air drying stage, so as to implement the soaking pretreatment, the water flow flushing, the pollution discharge and the air drying of the washing tub of the washing machine.
Fig. 5 is a block diagram of an embodiment of a self-cleaning control device for a washing machine according to the present invention. As shown in fig. 5, the self-cleaning control device 110 of the washing machine comprises a control unit 110, which is configured to control the motor of the washing machine to rotate based on different preset liquid levels respectively in the soaking pretreatment stage, the water flow flushing stage and the pollution discharge and air drying stage, so as to implement the soaking pretreatment, the water flow flushing, the pollution discharge and the air drying of the washing tub of the washing machine.
In one embodiment, the control unit 110 controls the washing tub of the washing machine to feed water to a preset maximum water level during the soaking pretreatment stage; controlling a motor to rotate at a rising speed according to a first preset acceleration a1 so that a wave wheel of the washing machine rotates to drive water flow in a washing barrel to rotate; when the liquid level height in the washing barrel is detected to be within a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed; the method comprises the steps of firstly controlling a motor to rotate at a rising speed according to a first preset acceleration a1 in a clockwise (or anticlockwise) direction, rotating for a first preset time T1 in the clockwise (or anticlockwise) direction when the liquid level height in a washing barrel is within a set height range, stopping for a second preset time T2, then controlling the motor to rotate at the rising speed according to the first preset acceleration in the anticlockwise (or clockwise) direction, rotating for the first preset time T1 in the anticlockwise (or clockwise) direction when the liquid level height in the washing barrel is within the set height range, stopping for the second preset time T2, and so on. And when the running time of the washing machine in the soaking pretreatment stage reaches a third preset time T3, exiting the soaking pretreatment stage and entering a water flushing stage. The set height range includes: greater than the sum of the preset maximum level and the first preset value s1 and less than the difference between the preset overflow height and the second preset value s 2. The run time of the soaking pre-treatment phase starts when the water intake is completed.
Alternatively, when the motor is controlled to rotate at the first preset acceleration, if the liquid level in the washing tub is detected to be higher than the difference between the preset overflow height and the second preset value, the control unit 110 controls the motor to stop rotating for a preset stop time T0, and then rotates at the first preset acceleration until the liquid level in the washing tub is detected to rise to the set height range.
For example, FIG. 2 illustrates the control logic for the soak pre-treatment phase in accordance with one embodiment of the present invention. As shown in fig. 2, firstly, controlling the washing tub of the washing machine to feed water to the highest water level, starting timing after water feeding is completed, and setting a speed-up acceleration a1 of the motor, namely a first preset acceleration a1, controlling the motor to start clockwise, and enabling the impeller to rotate to drive the water flow to rotate according to the speed-up acceleration a1, wherein the height of the outermost side of the liquid level of the water flow is increased in the rotation process, and the liquid level height needs to be within a set height range, namely the highest liquid level + s1 and the overflow height-s 2. If the liquid level height is larger than the overflow height-s 2, in order to ensure that the water cannot overflow, the motor is controlled to stop for T0 time (namely preset stop time), the liquid level height can be reduced to the normal height, and then the motor speed-up rotation process is executed again, so that the liquid level height is within a set height range (namely the highest water level + a is not less than the liquid level height H is not less than the overflow height-s). When the liquid level is within the set height range, controlling the motor to execute the motor beat according to the current rotating speed: turning to T1 time and stopping for T2 time; then the motor is controlled to start anticlockwise, the rotating speed is increased according to the acceleration a1, and the same process as that of the clockwise starting of the motor is repeated (refer to the figure 2). The process can ensure that the liquid level can be soaked to the highest position of the inner barrel and the outer barrel, so that stains on the walls of the barrels can be soaked and softened, and preparation is made for the next stage of flushing. The preset running time of the stage is T3 (i.e. the third preset time), T3 may be 10min (counting from the completion of water inflow), and when the total running time of the process is greater than T3, the next stage is entered: and (5) a high-speed water flow flushing stage.
In one embodiment, the control unit 110 controls the washing machine to drain water during the water flow flushing stage, so that the liquid level height in the washing tub of the washing machine is lowered to a first preset liquid level height; controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in the washing barrel to rotate; and when the liquid level in the washing barrel rises to a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed. The method comprises the steps of firstly controlling a motor to start clockwise (or anticlockwise) to rotate at a rising speed according to a first preset acceleration a1, when the liquid level height in a washing barrel is within a set height range, rotating clockwise (or anticlockwise, namely the direction is consistent with the starting direction) for a fourth preset time T4, stopping the fifth preset time T5, then controlling the motor to start anticlockwise (or clockwise) to rotate at a rising speed according to the first preset acceleration a1, when the liquid level height in the washing barrel is within the set height range, rotating anticlockwise (or clockwise) for the fourth preset time T4, stopping the fifth preset time T5, and the like. And when the running time of the washing machine in the water flow flushing stage reaches a sixth preset time T6, controlling the washing machine to drain water, so that the liquid level in the washing barrel of the washing machine is reduced to a preset minimum liquid level height, and entering a sewage draining and air drying stage. Namely, when the liquid level in the washing barrel of the washing machine is reduced to the preset lowest liquid level height, the washing machine enters a pollution discharge and air drying stage. In a specific embodiment, the first preset liquid level height is equal to a pulsator height of the washing machine.
Alternatively, when the motor is controlled to rotate at the first preset acceleration, if the liquid level in the washing tub is detected to be higher than the difference between the preset overflow height and the second preset value, the control unit 110 controls the motor to stop rotating for a preset stop time T0, and then rotates at the first preset acceleration until the liquid level in the washing tub is detected to rise to the set height range.
Fig. 3 shows the control logic for the high velocity water flush stage. As shown in fig. 3, after the soaking pretreatment stage is finished, the drainage tractor is opened to drain water, and the drainage tractor is closed when the water level in the washing tub is lowered to H1. The liquid level H1 at this time is relatively low, for example, at a level equal to the highest point of the pulsator. At the moment, the motor is started clockwise, the speed is increased according to a first preset acceleration a1, the outermost height of the liquid level is detected, the centrifugal force applied to the water in the barrel is increased along with the increase of the rotating speed of the impeller, the liquid level of the outermost side of the water is increased continuously, when the highest height of the liquid level is increased to be between the highest liquid level + s1 and the overflow height-s 2, the motor keeps the current rotating speed to operate for T4 time (fourth preset time), and the T5 (fifth preset time) time is stopped. Then the motor is controlled to start anticlockwise, the rotating speed is increased according to the acceleration a1, and the same process as that of the clockwise starting of the motor is repeated (refer to the figure 3). The motor rotating speed in the process is high, the centripetal force on the water in the barrel is also high, and therefore the dirt on the wall of the outer barrel can be effectively washed. The process motor speed is typically around 400rpm with a hold time of, for example, 10 seconds. The time preset for this stage is T6, which is a second preset time, and the time of T6 may be set to 5min, for example. When the total operation time of the process is greater than T6 (sixth preset time), the next step is carried out, the drainage tractor is opened for drainage, when the liquid level is reduced to the height of an empty barrel, namely the preset lowest liquid level height, the height of the empty barrel refers to the lowest liquid level which can be detected by the liquid level sensor, and the next step is carried out, namely the drainage and air drying step.
In one embodiment, the control unit 110 controls the washing machine to feed water to a second preset height during the blowdown and air drying phase, and performs soaking on the washing tub of the washing machine for a seventh preset time; after soaking, controlling the washing machine to drain water, controlling the motor to increase the speed to the target speed according to a second preset acceleration, and keeping rotating at the target speed; when the liquid level height in the washing barrel is reduced to a preset lowest liquid level height, controlling the motor to increase to a first preset rotating speed according to a third preset acceleration, and keeping rotating at the first preset rotating speed for air drying; and when the running time of the washing machine in the blowdown air-drying stage is more than or equal to eighth preset time (the air-drying time is started when the liquid level height in the washing barrel is reduced to the preset minimum liquid level height), controlling the motor to be turned off. In one embodiment, the second predetermined liquid level height is equal to half of the maximum water level height of the washing tub of the washing machine.
Figure 4 shows the control logic for the blowdown and seasoning phases. As shown in fig. 4, after the high-speed water flow flushing stage is finished, water is fed again, the water feeding height is a second preset height H2, and the liquid level height is approximately half of the highest height of the inner barrel, namely 5-grade water level. Soaking for a time T7 (a seventh preset time), wherein the time T7 may be 2min, for example, after soaking is finished, the water drainage drawer is opened, the motor is started clockwise according to dehydration, the rotating speed of the motor is increased according to a second preset acceleration a2, and the target rotating speed is V0. At the moment, the water in the barrel is continuously drained while rotating, and the mode of dewatering with water can not only further wash dirt on the wall of the barrel, but also can discharge the dirt of the part which is not drained at the previous stage again. When the liquid level is detected to be reduced to the water level of the empty barrel, air drying is carried out, the motor is controlled to accelerate to V1 according to a third preset acceleration a3, V1 is larger than V0, and the high-speed rotation can generate larger wind power and accelerate the air drying of the barrel, so that the problem that bacteria are easily bred due to the fact that the barrel is wet can be avoided. And when the air drying time is longer than the eighth preset time T8, closing the motor, closing the drainage tractor and finishing the program operation. The T8 time may be 5 min.
The control method of the invention only enters one full-load water level and one middle-gear water level in the whole process, and the common barrel cleaning program needs to enter 2 full-load water levels at least, so the control method can save 25 percent of water. Meanwhile, due to the characteristic of high-efficiency cleaning, the power consumption can be greatly reduced, the general barrel cleaning program needs to run for about 1 hour, the power consumption is about 0.132 kW.h, the whole running time of the barrel cleaning program using the control method is only 30min, the power consumption is about 0.102 kW.h, and the power consumption is about 22.7 percent compared with the general barrel cleaning program.
The invention also provides a storage medium corresponding to the washing machine self-cleaning control method, and a computer program is stored on the storage medium, and when the program is executed by a processor, the program realizes the steps of any one of the methods.
The invention also provides a washing machine corresponding to the washing machine self-cleaning control method, which comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of any one of the methods.
The invention also provides a washing machine corresponding to the washing machine self-cleaning control device, which comprises the washing machine self-cleaning control device.
According to the scheme provided by the invention, in the soaking pretreatment stage, the water flow scouring stage and the pollution discharge and air drying stage, the motor of the washing machine is controlled to rotate based on different preset liquid level heights respectively so as to realize the soaking pretreatment, the water flow scouring, the pollution discharge and the air drying of the washing barrel of the washing machine; the rotating speed and the rotating stop time of the motor are controlled by detecting the height of the highest water level in the washing barrel, and the maximum rotating speed and the reasonable rotating time of the motor are set on the premise of ensuring that the water level cannot overflow in the soaking pretreatment stage, so that the effect of flushing the inner wall and the outer wall of the washing barrel by high-speed water flow is realized. Meanwhile, reasonable cleaning steps are set, and the barrel cleaning function is achieved on the premise of lowest energy consumption. Due to the action of centrifugal force, the impeller can produce a safe and stable high-speed water flow in the rotating process, the moving direction of the high-speed water flow comprises a clockwise direction and an anticlockwise direction, the high-speed water flow can wash the wall surfaces of the inner barrel and the outer barrel, so that the barrel cleaning function is realized, and finally, the visceral dirt in the barrel is discharged through the process of dewatering with water. The function of cleaning the washing barrel is realized by detecting the height of the water level in the washing barrel. Meanwhile, by planning reasonable cleaning steps, the cleaning device achieves low water consumption and low power consumption and achieves a good cleaning effect.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (12)
1. A self-cleaning control method of a washing machine is characterized in that the self-cleaning process of the washing machine comprises the following steps: a soaking pretreatment stage, a water flow scouring stage and a pollution discharge and air drying stage;
and controlling the motor of the washing machine to rotate based on different preset liquid level heights respectively in the soaking pretreatment stage, the water flow scouring stage and the pollution discharge and air drying stage so as to realize the soaking pretreatment, the water flow scouring and the pollution discharge and air drying of the washing barrel of the washing machine.
2. The control method according to claim 1, wherein controlling the motor of the washing machine to rotate based on different preset liquid level heights in the soaking pretreatment stage, the water flushing stage and the blowdown and air drying stage respectively comprises:
controlling the washing barrel of the washing machine to feed water to a preset highest water level height in the soaking pretreatment stage;
controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in a washing barrel to rotate;
when the liquid level height in the washing barrel is detected to be within a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed;
in the water flow flushing stage, controlling the washing machine to drain water to enable the liquid level height in a washing barrel of the washing machine to be reduced to a first preset liquid level height;
controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in the washing barrel to rotate;
when the liquid level in the washing barrel rises to a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed;
in the pollution discharge and air drying stage, controlling the washing machine to feed water to a second preset height, and soaking the washing barrel of the washing machine for a seventh preset time; after soaking, controlling the washing machine to drain water, controlling the motor to increase the speed to the target speed according to a second preset acceleration, and keeping rotating at the target speed; and when the liquid level height in the washing barrel is reduced to the preset lowest liquid level height, controlling the motor to increase the speed to a first preset rotating speed according to a third preset acceleration, and keeping rotating at the first preset rotating speed.
3. The control method according to claim 2, characterized by further comprising:
when the motor is controlled to rotate at a first preset acceleration, if the fact that the liquid level height in the washing barrel is larger than the difference between the preset overflow height and a second preset value is detected, the motor is controlled to stop rotating for a preset stop time, and then the motor is controlled to rotate at the first preset acceleration until the fact that the liquid level height in the washing barrel rises to a set height range is detected.
4. The control method according to claim 2, wherein the setting of the height range includes: the water level is greater than the sum of the preset highest water level height and a first preset value and is less than the difference between the preset overflow height and a second preset value;
and/or the presence of a gas in the gas,
the first preset liquid level height is equal to the impeller height of the washing machine, and/or the second preset liquid level height is equal to half of the highest water level height of a washing barrel of the washing machine.
5. The control method according to any one of claims 1 to 4, characterized by further comprising:
when the running time of the washing machine in the soaking pretreatment stage reaches a third preset time, the washing machine exits from the soaking pretreatment stage and enters a water flow flushing stage;
and/or the presence of a gas in the gas,
and when the running time of the washing machine in the water flow flushing stage reaches a sixth preset time, controlling the washing machine to drain water, so that the liquid level in the washing barrel of the washing machine is reduced to a preset minimum liquid level height, and entering a pollution discharge and air drying stage.
6. A self-cleaning control device of a washing machine is characterized in that the self-cleaning process of the washing machine comprises the following steps: a soaking pretreatment stage, a water flow scouring stage and a pollution discharge and air drying stage; the control device includes:
and the control unit is used for controlling the motor of the washing machine to rotate based on different preset liquid level heights respectively in the soaking pretreatment stage, the water flow scouring stage and the pollution discharge and air drying stage so as to realize the soaking pretreatment, the water flow scouring and the pollution discharge and air drying of the washing barrel of the washing machine.
7. The control device according to claim 6, wherein the control unit controls the motor of the washing machine to rotate based on different preset liquid level heights in the soaking pretreatment stage, the water flushing stage and the sewage and air drying stage respectively, and comprises:
controlling the washing barrel of the washing machine to feed water to a preset highest water level height in the soaking pretreatment stage;
controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in a washing barrel to rotate;
when the liquid level height in the washing barrel is detected to be within a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed;
in the water flow flushing stage, controlling the washing machine to drain water to enable the liquid level height in a washing barrel of the washing machine to be reduced to a first preset liquid level height;
controlling a motor to rotate at an accelerated speed according to a first preset accelerated speed so that a wave wheel of the washing machine rotates to drive water flow in the washing barrel to rotate;
when the liquid level in the washing barrel rises to a set height range, controlling the motor to rotate clockwise or anticlockwise according to the current rotating speed;
in the pollution discharge and air drying stage, controlling the washing machine to feed water to a second preset height, and soaking the washing barrel of the washing machine for a seventh preset time; after soaking, controlling the washing machine to drain water, controlling the motor to increase the speed to the target speed according to a second preset acceleration, and keeping rotating at the target speed; and when the liquid level height in the washing barrel is reduced to the preset lowest liquid level height, controlling the motor to increase the speed to a first preset rotating speed according to a third preset acceleration, and keeping rotating at the first preset rotating speed.
8. The control device of claim 7, wherein the control unit is further configured to:
when the motor is controlled to rotate at a first preset acceleration, if the fact that the liquid level height in the washing barrel is larger than the difference between the preset overflow height and a second preset value is detected, the motor is controlled to stop rotating for a preset stop time, and then the motor is controlled to rotate at the first preset acceleration until the fact that the liquid level height in the washing barrel rises to a set height range is detected.
9. The control device according to claim 7,
the set height range includes: the water level is greater than the sum of the preset highest water level height and a first preset value and is less than the difference between the preset overflow height and a second preset value;
and/or the presence of a gas in the gas,
the first preset liquid level height is equal to the impeller height of the washing machine, and/or the second preset liquid level height is equal to half of the highest water level height of a washing barrel of the washing machine.
10. The control device according to any one of claims 6 to 9, wherein the control unit is further configured to:
when the running time of the washing machine in the soaking pretreatment stage reaches a third preset time, the washing machine exits from the soaking pretreatment stage and enters a water flow flushing stage;
and/or the presence of a gas in the gas,
and when the running time of the washing machine in the water flow flushing stage reaches a sixth preset time, controlling the washing machine to drain water, so that the liquid level in the washing barrel of the washing machine is reduced to a preset minimum liquid level height, and entering a pollution discharge and air drying stage.
11. A storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 5.
12. A washing machine comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the processor when executing the program implementing the steps of the method as claimed in any one of claims 1 to 5, or comprising a washing machine self-cleaning control device as claimed in any one of claims 6 to 10.
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| CN115228826A (en) * | 2022-06-29 | 2022-10-25 | 华虹半导体(无锡)有限公司 | Cleaning time sequence control method and device, medium, module and gluing equipment |
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