CN117569044A - Defoaming method and control device of washing machine and washing machine - Google Patents

Defoaming method and control device of washing machine and washing machine Download PDF

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Publication number
CN117569044A
CN117569044A CN202311541792.9A CN202311541792A CN117569044A CN 117569044 A CN117569044 A CN 117569044A CN 202311541792 A CN202311541792 A CN 202311541792A CN 117569044 A CN117569044 A CN 117569044A
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CN
China
Prior art keywords
defoaming
stage
washing machine
time period
water
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Pending
Application number
CN202311541792.9A
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Chinese (zh)
Inventor
凌铭阳
郑明星
何梦佳
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202311541792.9A priority Critical patent/CN117569044A/en
Publication of CN117569044A publication Critical patent/CN117569044A/en
Pending legal-status Critical Current

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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
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • 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
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The invention belongs to the technical field of washing machines, and particularly relates to a defoaming method and a control device for a washing machine and the washing machine. The defoaming process of the washing machine comprises a plurality of defoaming stages, and the defoaming method comprises the following steps: in each defoaming stage, water is fed into the washing machine under the condition of keeping the opening state of the drain valve, and the inner cylinder is controlled to rotate in the water feeding process; after each defoaming stage is finished, entering a dewatering process, finishing the defoaming process under the condition that dewatering is successful, and entering the next defoaming stage under the condition that dewatering is failed; the multiple defoaming stages employ different water inlet strategies and/or different inner barrel rotation strategies. The invention can eliminate a large amount of foam in the drum in a short time, and promote the rinsing effect of clothes.

Description

Defoaming method and control device of washing machine and washing machine
Technical Field
The invention relates to the technical field of washing machines, in particular to a defoaming method and a control device for a washing machine and the washing machine.
Background
When a user uses the washing machine to wash clothes, the user always puts the washing agent manually, but because the putting amount of the washing agent is fuzzy, the situation of excessive putting of the washing agent often occurs when the user puts the washing agent manually. If the degree of soiling of the laundry that the user desires to clean is not severe, excessive detergent may generate a large amount of foam in addition to removing the soiling of the laundry. In particular, in some heatable washing modes, the higher the temperature, the more foam is produced. Excessive foam may fill the washing machine tub, resulting in the washing machine not being properly dehydrated. Meanwhile, foam elimination is time-consuming, and foam in the cylinder cannot be eliminated by water inlet alone, so that the foam is increased.
Disclosure of Invention
In order to overcome the problem that a large amount of foam generated by adding excessive detergent in an inner barrel is not easy to be eliminated in the related art, the first aspect of the invention provides a defoaming method of a washing machine, wherein the defoaming process of the washing machine comprises a plurality of defoaming stages, and the defoaming method comprises the following steps:
in each defoaming stage, water is fed into the washing machine under the condition that a drain valve is kept to be opened, and the inner cylinder is controlled to rotate in the water feeding process;
after each defoaming stage is finished, entering a dewatering process, finishing the defoaming process under the condition that dewatering is successful, and entering the next defoaming stage under the condition that dewatering is failed;
the plurality of defoaming stages adopt different water inlet strategies and/or different inner barrel rotation strategies.
In some embodiments, the plurality of defoaming stages includes a first defoaming stage and a second defoaming stage, the dewatering process is entered after the first defoaming stage is finished, and the second defoaming stage is entered in case of dewatering failure;
in the first defoaming stage, spraying water for a first time period and then washing water for a second time period;
in the second defoaming stage, spray water inflow and main wash water inflow are alternately performed for a third period of time.
In some embodiments, in the first defoaming stage, the inner cylinder is controlled to rotate at a first rotating speed in the process of spraying water and is controlled to rotate at a second rotating speed in the process of main washing water;
in the second defoaming stage, the inner cylinder is controlled to rotate at a third rotating speed in the process of alternately carrying out spray water inlet and main washing water inlet;
the first rotational speed is less than the second rotational speed, and the first rotational speed is less than the third rotational speed.
In some embodiments, the plurality of defoaming stages includes a third defoaming stage that is entered into a dewatering process after the second defoaming stage ends, the third defoaming stage being entered into in the event of a dewatering failure;
in the third defoaming stage, the main washing water of the inner cylinder is controlled to enter for a fourth period of time.
In some embodiments, the third time period is greater than the first time period and the third time period is greater than the second time period;
and/or, the fourth time period is less than the sum of the first time period and the second time period, and the fourth time period is less than the third time period.
In some embodiments, in the third defoaming stage, the inner barrel is controlled to rotate at a fourth rotating speed in the process of water inflow of the main washing, and the fourth rotating speed is larger than the first rotating speed.
In some embodiments, the dewatering process is controlled to be performed after the inner drum is allowed to stand for a fifth period of time after each of the defoaming stages is completed, and/or the inner drum is controlled to stand for a sixth period of time before the last defoaming stage is performed.
In some embodiments, after the end of the last defoaming stage, the dewatering process is entered, and in the event of a dewatering failure, the last defoaming stage is repeatedly performed.
A second aspect of the present invention proposes a control device comprising one or more processors and a non-transitory computer readable storage medium storing program instructions, which when executed by the one or more processors, are adapted to carry out the control method of a washing machine according to any one of the first aspects of the present invention.
A third aspect of the present invention proposes a washing machine operating according to the control method of a washing machine as set forth in any one of the first aspects of the present invention, or comprising the control device as set forth in the second aspect of the present invention.
The technical scheme of the invention can have the following beneficial effects: according to the invention, in different defoaming stages of the defoaming process, different water inlet strategies and/or different rotating speed strategies are adopted according to the foam conditions in the drum, so that a large amount of foam in the drum can be eliminated in a short time, and the rinsing effect of clothes is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a defoaming flowchart of a washing machine, according to an exemplary embodiment.
Fig. 2 is a defoaming flowchart of a washing machine according to a specific example.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
Fig. 1 is a defoaming flowchart of a washing machine according to an exemplary embodiment, and referring to fig. 1, the defoaming process of the washing machine of the present embodiment includes a plurality of defoaming stages, and the defoaming method of the washing machine of the present embodiment includes the steps of:
s1, in each defoaming stage, water is fed into the washing machine under the condition that the drain valve is kept to be opened, and the inner cylinder is controlled to rotate in the water feeding process.
In this embodiment, since the foam generated by the washing machine is generally filled in the clothes located in the inner drum and the space between the inner drum and the outer drum, in order to improve the rinsing effect, the irritation of the residual detergent on the clothes to the skin of the user is reduced, and the foam needs to be defoamed. The defoaming process of the embodiment includes a plurality of defoaming stages, in each defoaming stage, by feeding water into the washing machine and maintaining the opening state of the drain valve of the washing machine, foam is dissolved in water and drained by the drain valve as the washing machine feeds water, thereby achieving the defoaming effect, however, foam attached to clothes and remaining between the inner drum and the outer drum cannot be thoroughly removed by feeding water alone, and the inner drum needs to be controlled to rotate so that foam attached to clothes is removed and dissolved in water.
S2, after each defoaming stage is finished, entering a dewatering process, finishing the defoaming process under the condition that dewatering is successful, and entering the next defoaming stage under the condition that dewatering is failed.
In this example, after each defoaming stage was completed, one dewatering attempt was performed to determine foam elimination. When dehydration, the inner cylinder can gradually reach a higher rotating speed, the power of the motor can be stabilized in a certain range in a normal rising stage, foam is filled between the inner cylinder and the outer cylinder under the condition of more foam, and the rotating speed of the inner cylinder can receive larger resistance, so that abnormal rising of the power of the motor can occur, the rising speed can not reach the higher rotating speed, and dehydration failure is caused. Therefore, in case that the dehydration is successful, it means that the amount of foam in the laundry and between the inner and outer drums is small, and the influence on the rotation speed of the motor is small, and at this time, the defoaming process is ended. In case of dehydration failure, it is indicated that the amount of foam in the laundry and between the inner and outer cylinders is large, and the next defoaming stage is needed to continue defoaming.
Moreover, since the foam conditions in the washing machine are different in different defoaming stages, for example, the amount of foam contained in the laundry and between the inner tub and the outer tub is large at the beginning of defoaming; as defoaming progresses, the amount of foam contained in the laundry and between the inner tub and the outer tub decreases. Therefore, different water inlet strategies and/or inner cylinder rotation strategies can be adopted in different defoaming stages, so that efficient defoaming effect is achieved, and the rinsing effect of clothes is improved.
In some embodiments, the plurality of defoaming stages includes a first defoaming stage and a second defoaming stage, the dewatering process is entered after the first defoaming stage is completed, and the second defoaming stage is entered in case of dewatering failure, wherein the first defoaming stage sprays water for a first period of time and then washes water for a second period of time, and the second defoaming stage sprays water for a third period of time alternately with the main wash water.
In the embodiment, in the first defoaming stage, the inner cylinder is controlled to rotate to adhere clothes, at this time, the middle part in the cylinder is filled with foam, the foam in the part can be effectively eliminated by spraying water for a first time, and the foam can be discharged out of the washing machine under the state that the drain valve is opened. Then through the second time of the main washing water inflow, the water flow directly acts between the inner cylinder and the outer cylinder of the washing machine, and along with the rotation of the inner cylinder, the foam in the space between the inner cylinder and the outer cylinder can be effectively eliminated, and the foam is discharged out of the washing machine under the condition that the drain valve is opened. In the second defoaming stage, since the foam elimination in the first defoaming stage has been performed, there is no large amount of foam between the surface of the laundry and the inner and outer drums, and by alternately spraying the water into the drum and the main washing water into the drum in the second defoaming stage, the foam in the space between the inner and outer drums can be further eliminated. The first duration, the second duration, and the third duration may be sized according to requirements, in one example, the third duration is greater than the first duration, and the third duration is greater than the second duration. And setting the third time period to be longer than the first time period and the second time period so as to ensure the defoaming effect of the second defoaming stage. Illustratively, the first duration is 30s-60s, the second duration is 30s-60s, and the third duration is 30s-60s.
In some embodiments, in the first defoaming stage, the inner cylinder is controlled to rotate at a first rotating speed in the process of spraying water and is controlled to rotate at a second rotating speed in the process of main washing water; in the second defoaming stage, the inner cylinder is controlled to rotate at a third rotating speed in the process of alternately spraying water and main washing water. The first rotational speed is less than the second rotational speed, and the first rotational speed is less than the third rotational speed.
In this embodiment, since the foam is eliminated just after the first defoaming stage, the foam is not treated, the amount of foam is large, and if the rotation speed is too high, the foam may overflow from the cylinder, so that the water is sprayed at a low rotation speed to eliminate a large amount of foam. After eliminating a large amount of foam, a higher rotational speed can be used to adhere the clothes to the wall, so that the water flow of the main washing water flows out of the drum through the clothes. If the foam in the first defoaming stage is not eliminated completely, the second defoaming stage is carried out, and at the moment, the foam which passes through the first defoaming stage is eliminated, and a large amount of foam basically does not exist, so that the rotating speeds of the spray water inlet and the main wash water inlet are both higher, the clothes are adhered to each other, water flows out of the cylinder through the clothes, and the foam between the inner cylinder and the outer cylinder is eliminated. The first rotational speed is, for example, 80rpm, the second rotational speed is 150rpm, and the third rotational speed is 150rpm.
In some embodiments, the plurality of defoaming stages includes a third defoaming stage that is entered into the dewatering process after the second defoaming stage ends, and is entered into in the event of a dewatering failure, wherein the third defoaming stage controls the main wash water intake of the inner drum for a fourth period of time.
In this embodiment, since the amount of foam in the cylinder and between the inner and outer cylinders is small after the first and second defoaming stages, the foam can be dissolved and eliminated directly by the main wash water. In one example, the fourth time period is less than a sum of the first time period and the second time period, and the fourth time period is less than the third time period. The present embodiment shortens the time consumed by the defoaming process by setting the fourth time period to be less than the sum of the first time period and the second time period, and the fourth time period to be less than the third time period. The third time period is, for example, 30s-60s. In an example, in the third defoaming stage, the inner barrel is controlled to rotate at a fourth rotating speed in the water inlet process of the main washing, and the fourth rotating speed is larger than the first rotating speed. At this time, the foam is eliminated after the first defoaming stage and the second defoaming stage, and a large amount of foam basically does not exist, so that the rotating speed of the main washing water in the third stage adopts a high rotating speed, so that water flows out of the drum through the clothes, and the foam between the inner drum and the outer drum is eliminated.
In some embodiments, after each defoaming stage is completed, the inner barrel is controlled to stand for a fifth period of time and then enters a dewatering process, and the influence on the rotating speed of the motor is reduced by standing to break the foam which is not eliminated in the barrel. The fifth time period is, for example, 180s-240s. And/or controlling the inner cylinder to stand for a sixth time period before entering the last defoaming stage. For example, the third stage is the last defoaming stage, and before entering the third stage, the foam amount is relatively reduced because the defoaming in the first defoaming stage and the second defoaming stage is performed, and at this time, the foam can be quickly removed from the container by first standing for a sixth period of time and then feeding water and executing the third defoaming stage. Illustratively, the sixth time period is 180s-240s.
In some embodiments, after the end of the last defoaming stage, the dewatering process is entered and in the event of a dewatering failure, the last defoaming stage is continued. In this embodiment, after the last defoaming stage is performed, if the foam is not completely removed, and at this time, no next defoaming stage is available for execution, the last defoaming stage is repeatedly performed until the dewatering is successful.
Fig. 2 is a control flow chart showing a specific example of the control method according to the present embodiment, and in connection with fig. 2, in the defoaming process of the washing machine, a first defoaming stage is first performed, at which the inner drum is controlled to rotate at a first rotational speed for a first period of time while maintaining the shower inflow. And then controlling the inner cylinder to rotate at a second rotating speed and maintaining the second time length, simultaneously keeping the main washing water inlet, and keeping the drain valve open in the whole first defoaming stage.
After the first defoaming stage is finished, standing for a fifth period of time, and then performing one dehydration attempt, if the dehydration is successful, the foam in the cylinder is completely eliminated, the defoaming process is finished, and if the dehydration is unsuccessful, the foam in the cylinder is not completely eliminated, and the second defoaming stage is performed.
In the second defoaming stage, the inner cylinder is controlled to rotate at a third rotating speed and maintain a third time, spraying water and main washing water are alternately carried out during the period, and the whole second defoaming stage keeps the drain valve open.
After the second defoaming stage is finished, standing for a fifth period of time, then performing one dehydration attempt, if the dehydration is successful, indicating that the foam in the cylinder is completely eliminated, finishing the defoaming process, and if the dehydration is unsuccessful, indicating that the foam in the cylinder is not completely eliminated, and entering a third defoaming stage.
In the third defoaming stage, standing for a sixth time period, controlling the inner cylinder to rotate at a fourth rotating speed and maintaining the fourth time period, and simultaneously keeping the main washing water inlet, and keeping the drain valve open in the whole third defoaming stage.
After the third defoaming stage is finished, standing for a sixth time period, and then performing one dehydration attempt, if the dehydration is successful, the foam in the cylinder is completely eliminated, the defoaming process is finished, if the dehydration is unsuccessful, the foam in the cylinder is not completely eliminated, and the third defoaming stage is repeatedly performed until the foam is completely eliminated.
According to an exemplary embodiment, the present embodiment proposes a control apparatus including one or more processors and a non-transitory computer readable storage medium storing program instructions, the one or more processors being configured to implement the control method of the washing machine of any one of the above embodiments when the one or more processors execute the program instructions.
According to an exemplary embodiment, the present embodiment proposes a washing machine that operates according to the control method of the washing machine of any of the above embodiments, or includes the control device proposed by the above embodiments.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As with the other embodiments, if implemented in hardware, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like. Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (10)

1. A defoaming method of a washing machine, wherein a defoaming process of the washing machine includes a plurality of defoaming stages, the defoaming method comprising:
in each defoaming stage, water is fed into the washing machine under the condition that a drain valve is kept to be opened, and the inner cylinder is controlled to rotate in the water feeding process;
after each defoaming stage is finished, entering a dewatering process, finishing the defoaming process under the condition that dewatering is successful, and entering the next defoaming stage under the condition that dewatering is failed;
the plurality of defoaming stages adopt different water inlet strategies and/or different inner barrel rotation strategies.
2. The defoaming method of a washing machine according to claim 1, wherein the plurality of defoaming stages includes a first defoaming stage and a second defoaming stage, entering a dehydration process after the end of the first defoaming stage, entering the second defoaming stage in case of dehydration failure;
in the first defoaming stage, spraying water for a first time period and then washing water for a second time period;
in the second defoaming stage, spray water inflow and main wash water inflow are alternately performed for a third period of time.
3. The defoaming method of a washing machine according to claim 2, wherein in the first defoaming stage, the inner cylinder is controlled to rotate at a first rotational speed during the water spraying and water feeding process, and the inner cylinder is controlled to rotate at a second rotational speed during the water feeding process of the main washing;
in the second defoaming stage, the inner cylinder is controlled to rotate at a third rotating speed in the process of alternately carrying out spray water inlet and main washing water inlet;
the first rotational speed is less than the second rotational speed, and the first rotational speed is less than the third rotational speed.
4. A defoaming method of a washing machine according to claim 3, characterized in that said plurality of defoaming stages comprises a third defoaming stage, entering a dewatering process after the end of said second defoaming stage, entering said third defoaming stage in case of a dewatering failure;
in the third defoaming stage, the main washing water of the inner cylinder is controlled to enter for a fourth period of time.
5. A defoaming method of a washing machine according to claim 4, wherein,
the third time period is longer than the first time period, and the third time period is longer than the second time period;
and/or, the fourth time period is less than the sum of the first time period and the second time period, and the fourth time period is less than the third time period.
6. The defoaming method of a washing machine according to claim 4, wherein in the third defoaming stage, the inner drum is controlled to rotate at a fourth rotational speed during the main wash water intake process, the fourth rotational speed being greater than the first rotational speed.
7. The defoaming method of a washing machine according to claim 1, wherein after each of the defoaming stages is finished, the inner tub is controlled to stand for a fifth period of time and then enters the dewatering process, and/or the inner tub is controlled to stand for a sixth period of time before entering the last defoaming stage.
8. The defoaming method of a washing machine according to claim 1, wherein the dewatering process is entered after the end of the last defoaming stage, and the last defoaming stage is repeatedly performed in case of a dewatering failure.
9. A control device comprising one or more processors and a non-transitory computer readable storage medium storing program instructions, which when executed by the one or more processors, are configured to implement the defoaming method of the washing machine of any one of claims 1-8.
10. A washing machine, characterized in that it operates according to the defoaming method of a washing machine according to any one of claims 1 to 8 or comprises a control device according to claim 9.
CN202311541792.9A 2023-11-17 2023-11-17 Defoaming method and control device of washing machine and washing machine Pending CN117569044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311541792.9A CN117569044A (en) 2023-11-17 2023-11-17 Defoaming method and control device of washing machine and washing machine

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Application Number Priority Date Filing Date Title
CN202311541792.9A CN117569044A (en) 2023-11-17 2023-11-17 Defoaming method and control device of washing machine and washing machine

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Publication Number Publication Date
CN117569044A true CN117569044A (en) 2024-02-20

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