CN110670301B - Drum washing machine, control method and control device thereof and storage medium - Google Patents
Drum washing machine, control method and control device thereof and storage medium Download PDFInfo
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- CN110670301B CN110670301B CN201910809994.4A CN201910809994A CN110670301B CN 110670301 B CN110670301 B CN 110670301B CN 201910809994 A CN201910809994 A CN 201910809994A CN 110670301 B CN110670301 B CN 110670301B
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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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
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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
- D06F2103/02—Characteristics of laundry or load
- D06F2103/06—Type or material
-
- 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
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
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- Engineering & Computer Science (AREA)
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- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a drum washing machine, a control method and a control device thereof and a storage medium. Wherein the method comprises the following steps: determining that the drum washing machine enters a washing stage, and controlling the drum washing machine to wash based on a first control parameter; the first control parameter is used for controlling a water film with a set thickness to be formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed so as to reduce the abrasion of the clothes to be washed. The water film can separate the clothes to be washed in the inner drum from the inner wall of the inner drum, and the clothes to be washed are supported by the pressure of the water film, so that direct friction between the clothes to be washed and the inner wall of the inner drum is avoided, and the wear to the clothes to be washed is reduced.
Description
Technical Field
The invention relates to the field of washing machine control, in particular to a drum washing machine and a control method, a control device and a storage medium thereof.
Background
The drum washing machine lifts clothes to a high place by utilizing the lifting ribs arranged on the inner wall of the inner drum through the rotation of the inner drum and falls down, thereby realizing the function of cleaning the clothes. In this process, there is inevitably a friction between the laundry and the inner wall of the drum, and the laundry is damaged in a long washing period. More seriously, the wear of the clothes caused by the washing of a large number of washing machines generates a large number of ultrafine plastic particles, and the ultrafine plastic particles cause more and more serious pollution to the global environment.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a drum washing machine, a control method, a control device and a storage medium thereof, which aim to effectively reduce wear of laundry during a washing process of the drum washing machine.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a control method of a drum washing machine, which comprises the following steps:
determining that the drum washing machine enters a washing stage, and controlling the drum washing machine to wash based on a first control parameter;
the first control parameter is used for controlling a water film with a set thickness to be formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed so as to reduce the abrasion to the clothes to be washed.
An embodiment of the present invention further provides a control device for a drum washing machine, including:
the control module is used for determining that the drum washing machine enters a washing stage and controlling the drum washing machine to wash based on a first control parameter;
the first control parameter is used for controlling a water film with a set thickness to be formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed so as to reduce the abrasion to the clothes to be washed.
An embodiment of the present invention further provides a drum washing machine, including: a processor and a memory for storing a computer program capable of running on the processor, wherein the processor, when running the computer program, is configured to perform the steps of the method according to an embodiment of the invention.
The embodiment of the invention also provides a storage medium, wherein a computer program is stored on the storage medium, and when the computer program is executed by a processor, the steps of the method of the embodiment of the invention are realized.
According to the technical scheme provided by the embodiment of the invention, the drum washing machine is determined to enter a washing stage, and is controlled to wash based on the first control parameter, so that a water film with a set thickness is formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed, the clothes to be washed in the inner drum can be separated from the inner wall of the inner drum by the water film, the clothes to be washed are supported by the pressure of the water film, and the direct friction between the clothes to be washed and the inner wall of the inner drum is avoided, so that the wear to the clothes to be washed is reduced.
Drawings
FIG. 1 is a flow chart illustrating a control method of a drum washing machine according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a water replenishing washing process of the drum washing machine according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a water spraying mechanism of the drum washing machine provided at the rear part of the inner drum according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a water spraying mechanism of the drum washing machine of the embodiment of the present invention disposed at the front part of the inner drum;
FIG. 5 is a flow chart illustrating a control method of a drum washing machine according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a control device of a drum washing machine according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a drum washing machine according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, the described embodiments should not be construed as limiting the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
In the following description, reference is made to "some embodiments" which describe a subset of all possible embodiments, but it is understood that "some embodiments" may be the same subset or different subsets of all possible embodiments, and may be combined with each other without conflict.
In the following description, references to the terms "first," second, "etc. are intended only to distinguish similar objects and not necessarily to indicate a particular ordering for the objects, and it is understood that" first, "second," etc. may be interchanged under certain circumstances or sequences of events to enable embodiments of the invention described herein to be practiced in other than the order illustrated or described herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
An embodiment of the present invention provides a control method for a drum washing machine, as shown in fig. 1, the method includes:
Here, the washing stage of the drum washing machine includes at least one of a pre-washing stage, a main washing stage, and a rinsing stage. The first control parameter is used for controlling a water film with a set thickness to be formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed in at least one of the pre-washing stage, the main washing stage and the rinsing stage so as to reduce the abrasion to the clothes to be washed. The pre-washing stage is a stage of mixing the clothes and water for pre-washing after the drum washing machine reaches a set water level.
In an embodiment, the first control parameter includes a control parameter corresponding to a pre-washing stage, a control parameter corresponding to a main washing stage, and a control parameter corresponding to a rinsing stage, and is used for respectively controlling the drum washing machine to form a water film with a set thickness between an inner wall surface of the inner drum and the laundry at the corresponding stage.
The thickness of the water film is related to the water level in the drum washing machine and the inner drum rotating speed, and therefore, in one embodiment, the first control parameter comprises: the water level of the inner cylinder and the rotating speed of the inner cylinder; the controlling the drum washing machine to wash based on the first control parameter comprises:
and determining the water level in the drum washing machine as the water level of the inner drum, and controlling the inner drum of the drum washing machine to rotate at the rotating speed of the inner drum.
In an embodiment, the first control parameter further comprises: the inner cylinder action beat comprises the rotation time length and the rotation stopping time length of the inner cylinder in one rotation period; the controlling the inner drum of the drum washing machine to operate at the inner drum rotating speed comprises the following steps: and controlling the inner barrel to operate at the rotating speed of the inner barrel according to the action beat of the inner barrel.
In an embodiment, in order to maintain the stability of the water film, the drum washing machine further includes a water spraying mechanism fixedly disposed with respect to the outer tub of the drum washing machine, the water spraying mechanism is configured to spray water to the inner wall surface of the inner tub, and the first control parameter further includes: the water spraying action beat comprises the water spraying time and the water stopping time of the water spraying mechanism in a water spraying period; the controlling the drum washing machine to wash based on the first control parameter further comprises: and controlling the water spraying mechanism to operate according to the water spraying action beat.
In order to better care the laundry to be washed due to the difference of the water film thickness corresponding to different laundry types, in an embodiment, the method further comprises: determining the first control parameter based on the type of the laundry to be washed such that the thickness of the water film corresponds to the type of the laundry.
For the pre-washing stage of the drum washing machine, before the drum washing machine is determined to enter the main washing stage, the control device of the drum washing machine controls the drum washing machine to carry out water replenishing washing, so that the water level in the inner drum of the drum washing machine accords with the set water level.
In practical application, the control device of the drum washing machine receives a mode or a water level set value input by a user, and determines the set water level according to the mode or the water level set value. The control device controls the water inlet valve to feed water, receives the water level value detected by the water level detection sensor, and controls the roller washing machine to replenish water for washing when the detected water level value is determined to accord with the set water level. Through moisturizing washing, the influence of clothing wetting on the water level in the inner barrel is considered, and the accuracy of the water level in the main washing stage is improved. Specifically, as shown in fig. 2, the control device controls the drum washing machine to perform water replenishing washing, and comprises:
in one embodiment, the refill water wash control parameter includes: the water replenishing duration, the rotating speed of the water replenishing inner cylinder and the action beat of the water replenishing inner cylinder. The control device starts the timer to time the water supplement and controls the motor to drive the inner barrel of the roller washing machine to act according to the rotating speed of the water supplement inner barrel and the action beat of the water supplement inner barrel. The rotation speed of the water replenishing inner cylinder refers to the rotation speed of the inner cylinder in the water replenishing washing stage, and the action beat of the water replenishing inner cylinder refers to the rotation time and the rotation stopping time of the inner cylinder in one rotation period in the water replenishing washing stage.
after entering the water replenishing washing stage, the control device also receives the water level in the inner barrel detected by the water level detection sensor on the drum washing machine, carries out comparison and judgment according to the detected water level and the set water level, executes step 203 when the detected water level is determined to be less than the set water level, and executes step 204 when the detected water level is determined to reach the set water level.
the control device controls the set water quantity or the set time length of water inlet of the water inlet valve, and the set water quantity or the set time length is reasonably set according to the precision of single water replenishing. Thereafter, the process returns to step 201.
And 204, judging whether the water replenishing washing time reaches the water replenishing time, if so, ending the water replenishing washing, and if not, returning to the step 201.
And judging whether the water replenishing washing time reaches the set water replenishing time through a timer, if so, finishing the water replenishing washing, and entering a main washing stage. If not, the step 201 is returned to, and the water replenishing washing is continuously executed.
In one embodiment, the inner drum of the drum washing machine is a perforated inner drum, that is, a plurality of water permeable holes are arranged on the wall body of the inner drum. For the inner barrel with the hole, the drum washing machine further comprises a water spraying mechanism which is fixedly arranged relative to the outer barrel of the drum washing machine, and the water spraying mechanism is used for spraying water to the inner wall surface of the inner barrel.
In an application example, as shown in fig. 3, the water spraying mechanism is disposed at the rear portion of the inner cylinder (the inner cylinder is away from the side of the opening along the axial direction), for example, the water spraying mechanism includes a spraying pump and a water outlet, the spraying pump is disposed in the transmission shaft and is communicated with an external water source, and the water outlet controls the water spraying angle so as to uniformly spray water led out by the spraying pump onto the inner wall surface of the inner cylinder.
In an application example, as shown in fig. 4, the water spraying mechanism is disposed at the front portion of the inner barrel (the inner barrel is close to one side of the opening along the axial direction), for example, the water spraying mechanism includes a spraying pump and a water outlet, the spraying pump is fixedly disposed relative to the outer barrel and is communicated with an external water source, and the water outlet controls a water spraying angle so as to uniformly spray water guided out by the spraying pump onto the inner wall surface of the inner barrel.
For a drum washing machine having a perforated drum, in one embodiment, the first control parameter comprises: inner tube rotational speed, inner tube action beat and water spray action beat, based on first control parameter control drum type washing machine washes, include:
controlling the drum washing machine to run at the inner cylinder rotating speed according to the inner cylinder action beat, and controlling the water spraying mechanism to run at the water spraying action beat;
the inner cylinder action beat comprises the rotation time and the rotation stopping time of the inner cylinder in a rotation period, and the water spraying action beat comprises the water spraying time and the water spraying stopping time of the water spraying mechanism in a water spraying period.
In practical application, the control device of the drum washing machine can automatically identify the type of the clothes to be washed through an image detection algorithm or determine the type of the clothes to be washed according to the clothes type parameter of the clothes to be washed input by a user, and the control device stores first control parameters corresponding to different types of the clothes to be washed in advance, so that the corresponding first control parameters can be determined according to the type of the clothes to be washed, the thickness of the formed water film corresponds to the type of the clothes to be washed, and the clothes can be well cared.
The control method of the embodiment of the invention determines that the drum washing machine enters a main washing stage, and controls the drum washing machine to wash based on the first control parameter corresponding to the type of the clothes to be washed, so that a water film with a set thickness is formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed, the clothes to be washed in the inner drum can be separated from the inner wall of the inner drum by the water film, the clothes to be washed are supported by the pressure of the water film, and the direct friction between the clothes to be washed and the inner wall of the inner drum is avoided, so that the wear to the clothes to be washed is reduced.
In the main washing stage, the rotation speed of the inner drum is controlled, the clothes to be washed and water ascend along with the inner drum, water is sprayed to the clothes and the inner drum in the process, a water film is generated to separate the clothes from the inner wall of the inner drum by utilizing the relative speed difference between the clothes and the inner drum, and the clothes are supported by the pressure generated by the water film. The water film fills the gap between the clothes and the inner wall of the inner drum, so that the clothes are prevented from directly rubbing the inner drum, and the damage to the clothes is reduced.
In practical application, the thickness d of the water film has a correlation with the inner cylinder rotation speed R, the water level W and the water injection amount V, i.e., d ═ f (R, W, V). The higher the rotation speed R is, the smaller d is, the higher W water level is, the larger the water spraying amount V is, and the larger d is.
The embodiment of the invention determines the corresponding clothes type according to the fiber surface characteristics and the processing technology of the clothes. For example, on the one hand, silk, wool, cotton, hemp, chemical fiber, etc. have different fiber surface properties; on the other hand, different flatness of the garment surface is created by different processing techniques, such as weaving, knitting, or plain or twill. When clothes are washed, a water film with proper thickness is formed between the surface of the fabric and the inner wall of the inner cylinder according to different clothes characteristics, so that certain cleaning performance is ensured, the clothes can be well cared, and abrasion is reduced.
In one embodiment, when the kind of the clothes to be washed is wool knitted fabric, the set thickness of the water film is 5 to 10 mm.
In one embodiment, when the type of the clothes to be washed is embroidered clothes, the set thickness of the water film is 8-12 mm.
In one embodiment, when the type of the clothes to be washed is chemical fiber woven fabric, the set thickness of the water film is 0.5 to 2 mm.
In one embodiment, when the type of the clothes to be washed is a woven cotton/linen fabric, the set thickness of the water film is 0.5-7 mm.
According to the embodiment of the invention, the clothes type of the clothes to be washed is identified, the corresponding first control parameter is determined according to the corresponding clothes type, so that the drum washing machine is controlled to wash, the corresponding water film control can be realized according to different clothes types, and the optimal clothes care effect is achieved.
Since the inner wall surface of the inner drum and the surface of the laundry to be washed are spaced by the water film with the set thickness when the first control parameter is adopted to control the drum washing machine to wash, the laundry is facilitated to be cared, but the cleaning efficiency of the laundry may be affected due to the reduction of the friction force on the surface of the laundry, in an embodiment, the method further comprises:
in the washing stage, controlling the drum washing machine to wash based on a second control parameter;
the second control parameter is used for controlling the thickness of the anhydrous film or the water film between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed to be smaller than the set thickness.
In an embodiment, the second control parameter may be obtained by adjusting a corresponding value of the first control parameter, for example, the second control parameter may include at least one of: and adjusting the water level of the inner cylinder in the first control parameter to be small, adjusting the rotating speed of the inner cylinder in the first control parameter to be large, and adjusting the water spraying action beat in the first control parameter to reduce the water spraying amount in the water spraying period, and adjusting the inner cylinder action beat in the first control parameter to reduce the rotation time of the inner cylinder in the rotation period.
In one embodiment, in the washing stage, the drum washing machine is controlled to operate alternately based on the first control parameter and the second control parameter, or after the drum washing machine is controlled to operate for a first set time period based on the first control parameter, the drum washing machine is controlled to operate for a second set time period based on the second control parameter. Therefore, the clothes washing machine is beneficial to reducing the abrasion of clothes in the washing process and ensuring the cleaning effect of the clothes.
In one embodiment, the inner cylinder of the drum washing machine is a non-porous inner cylinder, that is, no water permeable holes are arranged on the wall body of the inner cylinder, and the drainage during the dehydration is realized by improving the structure of the opening of the inner cylinder. For the imperforate inner barrel, since the wall body of the inner barrel is not provided with the water permeable holes, the water film can be kept for a long time, and accordingly, the drum washing machine can omit the water spraying mechanism shown in fig. 3 or fig. 4. In an embodiment, the first control parameter comprises: inner tube water level, inner tube rotational speed and inner tube action beat, based on first control parameter control drum type washing machine washes, include:
determining the water level in the drum washing machine as the water level of the inner drum, and controlling the drum washing machine to operate at the rotation speed of the inner drum according to the action beat of the inner drum;
the inner cylinder action beat comprises the rotation time length and the rotation stopping time length of the inner cylinder in one rotation period.
According to the embodiment of the invention, a water spraying mechanism is not required to be arranged on the drum washing machine, and the control of the thickness of the water film can be realized by controlling the rotating speed of the inner cylinder and the action beat of the inner cylinder. In addition, the corresponding first control parameter is determined according to the corresponding clothes type by identifying the clothes type of the clothes to be washed so as to control the drum washing machine to wash, so that the corresponding water film control can be realized according to different clothes types, and the optimal clothes care effect is achieved.
It should be noted that, in the method of the embodiment of the present invention, in addition to controlling the inner wall surface of the inner tub of the drum washing machine and the surface of the laundry to be washed to form the water film with the set thickness in the main washing stage, the inner wall surface of the inner tub of the drum washing machine and the surface of the laundry to be washed to form the water film with the set thickness in the pre-washing or rinsing stage can be controlled, so that the laundry can be comprehensively cared during the whole washing process.
Fig. 5 is a schematic flow chart of a drum washing machine control method according to an embodiment of the present invention, as shown in fig. 5, the method includes:
after the drum washing machine is powered on, the control device receives parameters (such as washing mode, clothes type and the like) input by a user, starts the washing machine, and controls the water inlet valve to feed water to the set water level W1.
in one embodiment, the refill water wash control parameter includes: the water replenishing duration, the rotating speed of the water replenishing inner cylinder and the action beat of the water replenishing inner cylinder. The control device starts the timer to time the water supplement and controls the motor to drive the inner barrel of the roller washing machine to act according to the rotating speed of the water supplement inner barrel and the action beat of the water supplement inner barrel. The rotation speed of the water replenishing inner cylinder refers to the rotation speed of the inner cylinder in the water replenishing washing stage, and the action beat of the water replenishing inner cylinder refers to the rotation time and the rotation stopping time of the inner cylinder in one rotation period in the water replenishing washing stage. For example, the water replenishing time length is T1, the motion tempo of the water replenishing inner cylinder is a1, and the rotation speed of the water replenishing inner cylinder is B1, where T1 is 15 minutes, a1 is 8s/8s (the motor operation time is 8s, and the stop time is 8s, and the same applies below), and B1 is 35RPM (revolutions per minute).
after entering the water replenishing washing stage, the control device also receives the water level in the inner drum detected by the water level detection sensor on the drum washing machine, compares and judges the detected water level with the set water level W1, and executes step 504 when the detected water level is determined to be lower than the set water level W1, and executes step 505 when the detected water level reaches the set water level.
the control device controls the set water quantity or the set time length of water inlet of the water inlet valve, and the set water quantity or the set time length is reasonably set according to the precision of single water replenishing. Thereafter, the process returns to step 502.
and judging whether the water replenishing washing time length reaches the set water replenishing time length or not through a timer, if so, ending the water replenishing washing, and entering a main washing stage (executing step 506). If not, the step 502 is returned to, and the water replenishing washing is continuously executed.
taking a drum washing machine with a perforated inner drum as an example, the first control parameters include: inner tube water level, inner tube rotational speed, inner tube action beat and water spray action beat, based on first control parameter control drum type washing machine washes, include:
determining the water level in the inner barrel as the water level of the inner barrel, otherwise, controlling the water level to accord with the water level of the inner barrel through a water supplementing valve or a water draining valve, controlling the drum washing machine to operate at the rotation speed of the inner barrel according to the action beat of the inner barrel, and controlling the water spraying mechanism to operate at the action beat of water spraying;
the inner cylinder action beat comprises the rotation time and the rotation stopping time of the inner cylinder in a rotation period, and the water spraying action beat comprises the water spraying time and the water spraying stopping time of the water spraying mechanism in a water spraying period.
Assuming that the laundry type is F, main washing time T2, drum operation tempo a2, drum rotation speed B2, and water spray tempo P1 are set for each type F. And washing based on the first control parameter according to the type of the clothes corresponding to the clothes to be washed.
For example: when F is a wool knitted fabric, T2 is 15 minutes, A2 is 3s/25s, B2 is 35rpm, and P1 is 2s/26 s.
It should be noted that a2 and P1 can be in various combinations, i.e., a2 and P1 can be varied in different cycles.
Under the condition, the thickness d of the water film formed between the wool knitted fabric and the inner wall of the inner cylinder is about 5-10 mm.
For another example: when F is embroidery clothes, T2 is 10 minutes, A2 is 3s/50s, B2 is 30rpm, and P1 is 5s/48 s.
Under the condition, the thickness d of the water film formed between the embroidered clothes and the inner wall of the inner drum is about 8-12 mm.
For another example: when F is a chemical fiber woven fabric, T2 is 30 minutes, A2 is 10s/8s, B2 is 50rpm, and P1 is 2s/16 s.
Under the condition, the thickness d of a water film formed between the chemical fiber woven fabric and the inner wall of the inner cylinder is about 0.5-2 mm.
For another example: when F is cotton-linen woven fabric, T2 is 40 minutes, A2 is 17s/8s, B2 is 45rpm, and P1 is 5s/20 s.
Under the condition, the thickness d of the water film formed between the cotton and linen woven fabric and the inner wall of the inner cylinder is about 0.5-7 mm.
whether the main washing time reaches the set main washing time is judged by a timer, if yes, the main washing is finished, and the rinsing stage is carried out (step 508). If not, the process returns to step 506 to continue the main washing.
The control device controls the drum washing machine to carry out rinsing based on the control parameter corresponding to the rinsing stage in the first control parameter, so that a water film with a set thickness is formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed, and the abrasion to the clothes to be washed is reduced.
Taking a drum washing machine with a perforated inner drum as an example, the rinsing control parameters corresponding to the rinsing stage include: rinsing inner tube rotational speed, rinsing inner tube action beat and rinsing water spray action beat, control drum type washing machine carries out the rinsing, include:
controlling the drum washing machine to run at the rotating speed of the rinsing inner barrel according to the action beat of the rinsing inner barrel and controlling the water spraying mechanism to run at the action beat of rinsing water spraying within the rinsing duration;
the rinsing inner cylinder action beat comprises the rotation time and the rotation stop time of the inner cylinder in a rotation period, and the rinsing water spraying action beat comprises the water spraying time and the water spraying stop time of the water spraying mechanism in a water spraying period.
According to the application embodiment, the drum washing machine is controlled to carry out main washing based on the first control parameter corresponding to the type of the clothes to be washed, so that a water film with a set thickness is formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed, the clothes to be washed in the inner drum can be separated from the inner wall of the inner drum by the water film, the clothes to be washed are supported by the pressure of the water film, direct friction between the clothes to be washed and the inner wall of the inner drum is avoided, and abrasion to the clothes to be washed is reduced. In addition, the present application embodiment further controls the drum washing machine to rinse based on the rinsing control parameter corresponding to the type of the laundry, so that the effect of caring for the laundry can be enhanced in the rinsing stage.
In order to implement the method of the embodiment of the present invention, there is provided a control device of a drum washing machine, as shown in fig. 6, the control device including:
the control module 601 is used for determining that the drum washing machine enters a washing stage and controlling the drum washing machine to wash based on a first control parameter;
in the washing stage, a water film with a set thickness is formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed, so that the wear of the clothes to be washed is reduced.
In an embodiment, the first control parameter comprises: the water level of the inner cylinder and the rotating speed of the inner cylinder; the control module 601 is specifically configured to:
and determining the water level in the drum washing machine as the water level of the inner drum, and controlling the inner drum of the drum washing machine to rotate at the rotating speed of the inner drum.
In an embodiment, the first control parameter further comprises: the inner cylinder action beat comprises the rotation time length and the rotation stopping time length of the inner cylinder in one rotation period; the control module 601 is specifically configured to: and controlling the inner barrel to operate at the rotating speed of the inner barrel according to the action beat of the inner barrel.
In an embodiment, the drum washing machine further includes a water spraying mechanism fixedly disposed with respect to an outer tub of the drum washing machine, the water spraying mechanism is configured to spray water to an inner wall surface of the inner tub, and the first control parameter further includes: the water spraying action beat comprises the water spraying time and the water stopping time of the water spraying mechanism in a water spraying period; the control module 601 is further configured to: and controlling the water spraying mechanism to operate according to the water spraying action beat.
In one embodiment, the control module 601 is further configured to: determining the first control parameter based on the type of the laundry to be washed such that the thickness of the water film corresponds to the type of the laundry. In one embodiment, the control module 601 is further configured to: in the washing stage, controlling the drum washing machine to wash based on a second control parameter; the second control parameter is used for controlling the thickness of the anhydrous film or the water film between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed to be smaller than the set thickness.
In an embodiment, the control module 601 is specifically configured to: and after determining that the drum washing machine operates for a first set time period based on the first control parameter, controlling the drum washing machine to operate for a second set time period based on the second control parameter.
In practical applications, the control module 601 may be implemented by a processor in a control device. Of course, the processor needs to run a computer program in memory to implement its functions.
It should be noted that: the control device of the drum washing machine provided in the above embodiment is only exemplified by the division of the above program modules when controlling the drum washing machine, and in practical applications, the above processing distribution may be completed by different program modules according to needs, that is, the internal structure of the device may be divided into different program modules to complete all or part of the above-described processing. In addition, the control device of the drum washing machine provided by the above embodiment and the control method embodiment of the drum washing machine belong to the same concept, and the specific implementation process is described in the method embodiment, which is not described again.
Based on the hardware implementation of the program module, in order to implement the method according to the embodiment of the present invention, the embodiment of the present invention further provides a washing machine.
As shown in fig. 7, the washing machine according to the embodiment of the present invention includes: at least one processor 701, a memory 702. The processor 701 is communicatively connected to the water inlet valve, the water level detection sensor and the drive (e.g., motor). The memory 702 in the embodiment of the present invention is used to store various types of data to support the operation of the washing machine. Examples of such data include: any computer program for operating on a washing machine.
The control method of the drum washing machine disclosed by the embodiment of the invention can be applied to the processor 701 or implemented by the processor 701. The processor 701 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the drum washing machine control method may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 701. The Processor 701 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 701 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software module may be located in a storage medium located in the memory 702, and the processor 701 reads information in the memory 702, and completes the steps of the drum washing machine control method provided by the embodiment of the present invention in combination with hardware thereof.
In an exemplary embodiment, the washing machine may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), FPGAs, general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the aforementioned methods.
It will be appreciated that the memory 702 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The described memory for embodiments of the present invention is intended to comprise, without being limited to, these and any other suitable types of memory.
In an exemplary embodiment, the embodiment of the present invention further provides a storage medium, i.e., a computer storage medium, which may be a computer-readable storage medium, for example, including a memory 702 storing a computer program, which is executable by a processor 701 of a washing machine to perform the steps of the method according to the embodiment of the present invention. The computer readable storage medium may be a ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM, among others.
It should be noted that: the technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A control method of a drum washing machine is characterized by comprising the following steps:
determining that the drum washing machine enters a washing stage, and controlling the drum washing machine to wash based on a first control parameter;
the first control parameter is used for controlling a water film with a set thickness to be formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed so as to reduce the abrasion to the clothes to be washed;
in the washing stage, the drum washing machine is controlled to wash based on a second control parameter, and the control method comprises the following steps: after determining that the drum washing machine operates for a first set time period based on the first control parameter, controlling the drum washing machine to operate for a second set time period based on the second control parameter; the second control parameter is used for controlling the thickness of the anhydrous film or the water film between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed to be smaller than the set thickness.
2. A drum washing machine control method according to claim 1, characterized in that the first control parameter comprises: the water level of the inner cylinder and the rotating speed of the inner cylinder; the controlling the drum washing machine to wash based on the first control parameter comprises:
and determining the water level in the drum washing machine as the water level of the inner drum, and controlling the inner drum of the drum washing machine to rotate at the rotating speed of the inner drum.
3. A drum washing machine control method according to claim 2, characterized in that the first control parameter further comprises: the inner cylinder action beat comprises the rotation time length and the rotation stopping time length of the inner cylinder in one rotation period; the controlling the inner drum of the drum washing machine to operate at the inner drum rotating speed comprises the following steps:
and controlling the inner cylinder to operate at the inner cylinder rotating speed according to the inner cylinder action beat.
4. A control method for a drum washing machine according to claim 2, characterized in that the drum washing machine further comprises a water spraying mechanism fixedly arranged relative to the outer tub of the drum washing machine, the water spraying mechanism is used for spraying water to the inner wall surface of the inner tub, and the first control parameter further comprises: the water spraying action beat comprises the water spraying time and the water stopping time of the water spraying mechanism in a water spraying period;
the controlling the drum washing machine to wash based on the first control parameter further comprises:
and controlling the water spraying mechanism to operate according to the water spraying action beat.
5. A control method of a drum washing machine according to claim 1, characterized in that the method further comprises:
determining the first control parameter based on the type of the laundry to be washed such that the thickness of the water film corresponds to the type of the laundry.
6. A control device for a drum washing machine, comprising:
the control module is used for determining that the drum washing machine enters a washing stage and controlling the drum washing machine to wash based on a first control parameter;
the first control parameter is used for controlling a water film with a set thickness to be formed between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed so as to reduce the abrasion to the clothes to be washed;
in the washing stage, the drum washing machine is controlled to wash based on a second control parameter, and the control method comprises the following steps: after determining that the drum washing machine operates for a first set time period based on the first control parameter, controlling the drum washing machine to operate for a second set time period based on the second control parameter; the second control parameter is used for controlling the thickness of the anhydrous film or the water film between the inner wall surface of the inner drum of the drum washing machine and the clothes to be washed to be smaller than the set thickness.
7. A drum washing machine characterized by comprising: a processor and a memory for storing a computer program capable of running on the processor, wherein,
the processor, when executing the computer program, is adapted to perform the steps of the method of any of claims 1 to 5.
8. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method according to any of claims 1 to 5.
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| CN201910809994.4A CN110670301B (en) | 2019-08-29 | 2019-08-29 | Drum washing machine, control method and control device thereof and storage medium |
| EP20186029.3A EP3786332B1 (en) | 2019-08-29 | 2020-07-15 | Drum type washing machine and control method and control apparatus thereof, and storage medium |
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| CN201910809994.4A CN110670301B (en) | 2019-08-29 | 2019-08-29 | Drum washing machine, control method and control device thereof and storage medium |
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| CN114875629B (en) * | 2022-06-13 | 2023-04-18 | 珠海格力电器股份有限公司 | Control method and control device of washing machine and washing machine |
| CN115726137B (en) * | 2022-11-18 | 2024-10-25 | 海信冰箱有限公司 | Drum washing machine and control method thereof |
| CN118147867B (en) * | 2024-05-09 | 2024-08-23 | 珠海格力电器股份有限公司 | Clothes treatment equipment and control method |
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| US8528230B2 (en) * | 2009-02-19 | 2013-09-10 | Whirlpool Corporation | Laundry treating appliance with bulky item detection |
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| WO2018124786A2 (en) * | 2016-12-28 | 2018-07-05 | 엘지전자 주식회사 | Washing machine |
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| CN101142353A (en) * | 2005-03-15 | 2008-03-12 | 株式会社京都产业 | Washing method |
| CN102953262A (en) * | 2011-08-22 | 2013-03-06 | 海尔集团公司 | Washing machine and washing method |
| CN105970541A (en) * | 2016-06-29 | 2016-09-28 | 无锡小天鹅股份有限公司 | Washing control method of roller washing machine and roller washing machine |
| CN107780118A (en) * | 2016-08-25 | 2018-03-09 | 青岛海尔洗衣机有限公司 | A kind of washing machine and its control method without abrasion washing |
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| EP3786332A1 (en) | 2021-03-03 |
| EP3786332C0 (en) | 2024-04-24 |
| CN110670301A (en) | 2020-01-10 |
| EP3786332B1 (en) | 2024-04-24 |
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