Washing machine control method, washing machine and medium

The control method dynamically adjusts dehydration based on preset parameters and real-time monitoring to optimize dehydration efficiency and detect motor faults, addressing poor dehydration and motor state issues in washing machines.

CN119221242APending Publication Date: 2024-12-31QINGDAO HAIER WASHING ELECTRIC APPLIANCES CO LTD +1
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Patent Information

Application Number
CN202310789996.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-06-29
Publication Date
2024-12-31

AI Technical Summary

Technical Problem

Existing washing machines suffer from poor dehydration efficiency due to fixed dehydration times set by user experience or program settings, leading to inadequate dehydration or over-drying, and lack motor state detection during dehydration.

Method used

A control method that dynamically adjusts dehydration based on preset parameters, current values, and motor operation, using rotation speed, time, and current differences to determine when to stop or continue dehydration, with real-time monitoring and fault detection.

Benefits of technology

Improves dehydration efficiency by ensuring optimal dehydration time and detects motor faults, enhancing user experience by preventing over-drying or under-drying.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a washing machine control method, a washing machine and a medium, and the method comprises the steps: S1, obtaining a collection condition based on parameters set by a current dehydration program of the washing machine, the parameters at least comprising a preset maximum rotation speed of the current dehydration program and a second preset time, the second preset time is the preset duration of continuous operation after the highest rotating speed of the current dehydration program is reached or the last N minutes of the current dehydration program, and N is greater than or equal to 1; s2, collecting a current value of the washing machine based on the collection condition; and S3, selectively controlling a dehydration program of the washing machine to continue to run or stop based on the collected current value. By means of the method, a better dewatering effect can be obtained, and the problem that in the prior art, dewatering is stopped after the fixed dewatering time is up, due to the fact that the dewatering rotating speed is low or the dewatering time is not enough, the dewatering effect is poor, or the user selects a program not matched with the to-be-washed clothes, and the dewatering experience of the user is affected is solved.
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Description

Technical Field

[0001] The invention relates to the technical field of washing machine dehydration, and specifically provides a washing machine control method, a washing machine and a medium. Background Art

[0002] When the washing machine is dehydrating, the motor is started to drive the clothes to throw out the water contained in the clothes under the action of centrifugal force. The thrown water enters the drain hose and is discharged through the drain pump. At present, the dehydration method of the washing machine is to use timed dehydration. That is, the user sets the dehydration time according to experience or dehydrates according to the dehydration time set by the program of the washing machine main control board, and stops dehydrating after the dehydration time is reached. In this way, the dehydration effect is often poor due to the low dehydration speed or insufficient dehydration time, which affects the user experience. Moreover, the program selected by the user that does not match the clothes to be washed will cause this problem to occur. In addition, the motor is an important part of the washing machine, and the state of the motor directly affects the normal operation of the washing machine. However, in the prior art, either a separate dehydration control or a separate fault detection of the motor of the washing machine is performed, that is, the prior art has no way to detect the operating state of the motor while the washing machine is dehydrating.

[0003] Accordingly, the art needs a new control method for a washing machine, a washing machine and a medium solution to solve the above problems. Summary of the invention

[0004] In order to overcome the above defects, the present invention is proposed to provide a solution or at least partially solve the problem of poor dehydration effect of the washing machine.

[0005] In a first aspect, the present invention provides a method for controlling a washing machine, comprising:

[0006] S1. Acquire collection conditions based on the parameters set for the current dehydration program of the washing machine, wherein the parameters at least include a preset maximum speed and a second preset time for the current dehydration program, wherein the second preset time is a preset duration of continuous operation after reaching the maximum speed of the current dehydration program or the last N minutes of the current dehydration program, where N≥1;

[0007] S2. collecting the current value of the washing machine based on the collection condition;

[0008] S3. Based on the collected current value, selectively control the dehydration program of the washing machine to continue running or stop.

[0009] In a technical solution of the above-mentioned control method of the washing machine, based on the parameters set in the current dehydration program of the washing machine, obtaining the collection conditions includes:

[0010] Obtaining the current rotation speed of the washing machine, and determining whether the current rotation speed of the washing machine reaches the maximum rotation speed set in the current program of the washing machine;

[0011] and / or, obtaining the actual time for reaching the highest speed of the current program setting of the washing machine, and determining whether the actual time reaches the second preset time;

[0012] And / or, obtaining the remaining time of the dehydration program of the current program setting of the washing machine, and determining whether the remaining time reaches the second preset time.

[0013] In a technical solution of the above-mentioned method for controlling the washing machine, collecting the current value of the washing machine based on the collection condition includes:

[0014] If the current rotation speed of the washing machine reaches the maximum rotation speed of the current program setting of the washing machine and / or the actual time and / or the remaining time reaches the second preset time, the current value is collected.

[0015] In a technical solution of the control method of the washing machine, selectively controlling the dehydration program of the washing machine to continue running or stop based on the collected current value includes:

[0016] Get any three adjacent current values;

[0017] Based on selecting three adjacent current values, calculating the difference between the current values ​​at two adjacent times, to obtain a first difference and a second difference;

[0018] The dehydration program is selectively controlled to continue running or stop based on the first difference and the second difference.

[0019] In a technical solution of the control method of the washing machine, selectively controlling the dehydration program to continue running or stop based on the first difference and the second difference includes:

[0020] Compare the first difference value and the second difference value to obtain a comparison result;

[0021] According to the comparison result, it is determined whether the weight of the clothes in the washing machine changes, and based on the determination result, the dehydration program is selectively controlled to continue running or stop.

[0022] In a technical solution of the control method of the washing machine, the selective control of the dehydration program to continue running or stop based on the judgment result includes:

[0023] If the comparison result is that the first difference is equal to the second difference, then stop dehydration;

[0024] If the comparison result is that the first difference is not equal to the second difference, the dehydration is continued and S2-S3 is circulated.

[0025] In a technical solution of the above-mentioned washing machine control method, the method further includes:

[0026] Acquire the current value of any operation stage of the washing machine in real time and / or at a preset time, wherein the operation stage includes at least one of a washing stage, a rinsing stage and a dehydration stage;

[0027] Based on the current value of any one of the operation stages and a preset current threshold corresponding to the operation stage, it is determined whether the motor of the washing machine operates normally in the operation stage.

[0028] In a technical solution of the above-mentioned control method of the washing machine, the step of determining whether the motor of the washing machine operates normally during the operation phase includes:

[0029] It is determined whether the current value of any of the operation stages falls within the corresponding current threshold range. If so, it is determined that the motor is operating normally; otherwise, it is determined that the motor has a fault, and an alarm is issued based on the fault.

[0030] In a second aspect, the present invention provides a washing machine, comprising a processor and a storage device, wherein the storage device is suitable for storing multiple program codes, and the program codes are suitable for being loaded and run by the processor to execute the washing machine control method described in any one of the technical solutions of the above-mentioned washing machine control method.

[0031] In a third aspect, a computer-readable storage medium is provided, which stores a plurality of program codes, wherein the program codes are suitable for being loaded and run by a processor to execute the washing machine control method described in any one of the technical solutions of the above-mentioned washing machine control method.

[0032] The above one or more technical solutions of the present invention have at least one or more of the following beneficial effects: In implementing the technical solutions of the present invention, the present invention provides a control method for a washing machine, comprising: S1, acquiring acquisition conditions based on parameters of a current dehydration program setting of the washing machine, wherein the parameters at least include a maximum speed and a second preset time, and the second preset time is the time to reach the maximum speed of the current program setting of the washing machine or the last N minutes of the dehydration program of the current program setting of the washing machine, N≥1; S2, acquiring the current value of the washing machine based on the acquisition conditions; S3, judging whether the dehydration program of the washing machine continues to run based on the current value. The present invention uses the above-mentioned control method to judge and control whether to continue dehydration based on the current collected in the dehydration program, and the current collection time is based on the preset maximum speed of the current dehydration program of the washing machine, the preset duration after reaching the maximum speed, or the current collection conditions set in the last N minutes of the current dehydration program. Compared with the scheme in the prior art that dehydration is performed only when the user sets a fixed dehydration time based on experience or according to the dehydration time set by the program of the washing machine main control board, and dehydration is stopped after the dehydration time is reached, the control method of the present invention can obtain a better dehydration effect, and avoids the problem that the scheme in the prior art that dehydration is stopped only after the fixed dehydration time is reached, such as poor dehydration effect due to low dehydration speed or insufficient dehydration time, or the user selects a program that does not match the clothes to be washed, which affects the user's dehydration experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The disclosure of the present invention will become more easily understood with reference to the accompanying drawings. It is easy for those skilled in the art to understand that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In addition, similar numbers in the figures are used to represent similar components, among which:

[0034] Figure 1 1 is a flow chart of main steps of a method for controlling a washing machine according to an embodiment of the present invention. DETAILED DESCRIPTION

[0035] Some embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0036] In the description of the present invention, "module" and "processor" may include hardware, software or a combination of the two. A module may include hardware circuits, various suitable sensors, communication ports, and memories, and may also include software parts, such as program codes, or a combination of software and hardware. The processor may be a central processing unit, a microprocessor, an image processor, a digital signal processor, or any other suitable processor. The processor has data and / or signal processing functions. The processor may be implemented in software, hardware, or a combination of the two. Non-temporary computer-readable storage media include any suitable medium that can store program codes, such as a magnetic disk, a hard disk, an optical disk, a flash memory, a read-only memory, a random access memory, and the like. The term "A and / or B" means all possible combinations of A and B, such as only A, only B, or A and B. The term "at least one A or B" or "at least one of A and B" has a similar meaning to "A and / or B", and may include only A, only B, or A and B. The singular terms "one" and "the" may also include plural forms.

[0037] See attached Figure 1 , Figure 1 FIG. 1 is a flow chart showing the main steps of a method for controlling a washing machine according to an embodiment of the present invention. Figure 1 As shown, the control method of the washing machine in the embodiment of the present invention mainly includes the following steps S1 to S3.

[0038] S1. Acquire collection conditions based on the parameters set for the current dehydration program of the washing machine, wherein the parameters at least include a preset maximum speed and a second preset time for the current dehydration program, wherein the second preset time is a preset duration of continuous operation after reaching the maximum speed of the current dehydration program or the last N minutes of the current dehydration program, where N≥1;

[0039] In this embodiment, the current washing machine uses frequency conversion speed regulation and other technologies to control the dehydration speed, and dehydrates at the highest possible speed to improve the dehydration efficiency. Therefore, the dehydration speed of the washing machine gradually increases with the set time until it reaches the maximum speed. Therefore, the dehydration time and the maximum speed of the washing machine can be used as elements in the collection conditions.

[0040] In one embodiment, based on the parameters of the current dehydration program setting of the washing machine, obtaining the collection conditions includes: obtaining the current rotation speed of the washing machine, and determining whether the current rotation speed of the washing machine reaches the maximum rotation speed of the current program setting of the washing machine; and / or, obtaining the actual time to reach the maximum rotation speed of the current program setting of the washing machine, and determining whether the actual time reaches the second preset time; and / or, obtaining the remaining time of the dehydration program of the current program setting of the washing machine, and determining whether the remaining time reaches the second preset time.

[0041] In this embodiment, if the set dehydration time is a fixed time set by the user, the clothes may be over-dried after dehydration at a high speed, which may damage the clothes. The clothes may contain more water after dehydration at a lower speed and cannot meet the user's needs. Therefore, in order to improve the dehydration effect, the following operations can be performed:

[0042] If the dehydration time set by the user or the preset program of the washing machine is fixed at 5 minutes, the current value can be set to start collecting 3 minutes after the highest speed is reached. Since the highest speed has been maintained for 3 minutes, no matter how high or low the gear of the highest speed selected by the user is, part of the water in the clothes has been discharged. Therefore, the dehydration effect time is judged to be moderate at this time; the remaining time can also be set to 2 minutes, and the current value can be started to be collected when there are only 3 minutes of dehydration time left in the dehydration program.

[0043] It is also possible to set different second preset times according to the different maximum speeds selected by the user. For example, if the dehydration time set in the washing machine is fixed at 5 minutes, and if the maximum speed is 3 gears: high, medium, and low, it can be set at high gear, and the actual time to reach the maximum speed of the current program setting of the washing machine is 2 minutes, and the remaining time is 3 minutes; it can be set at medium gear, and the actual time to reach the maximum speed of the current program setting of the washing machine is 3 minutes, and the remaining time is 2 minutes; it can be set at low gear, and the actual time to reach the maximum speed of the current program setting of the washing machine is 4 minutes, and the remaining time is 1 minute.

[0044] S2. collecting the current value of the washing machine based on the collection condition;

[0045] In this embodiment, the current value of the washing machine is collected only when the collection conditions are met, and real-time collection is not required, which reduces the current operation data volume and operation speed and improves the dehydration efficiency.

[0046] In one embodiment, collecting the current value of the washing machine based on the collection conditions includes: if the current speed of the washing machine reaches the maximum speed set for the current program of the washing machine and / or the actual time and / or the remaining time reaches the second preset time, then start collecting the current value.

[0047] In this embodiment, the user can select at least one parameter in the collection conditions based on the control panel of the washing machine or the mobile phone APP control, and then generate corresponding collection conditions according to the parameters selected by the user. When the generated collection adjustment price is met, the current value is started to be collected.

[0048] S3. Based on the collected current value, selectively control the dehydration program of the washing machine to continue running or stop.

[0049] In this embodiment, during the dehydration process, as the motor of the washing machine rotates, the water in the clothes will be continuously separated under the action of centrifugal force. As the water content gradually decreases, the load weight in the washing machine will gradually decrease. While maintaining a certain dehydration speed, the power consumed by the motor will decrease, and thus the current will also decrease. When the water in the barrel is no longer separated, the motor current will also remain constant, that is, the dehydration reaches the set requirements. Therefore, the dehydration program of the washing machine can be selectively controlled to continue running or stop based on the collected current value.

[0050] In one embodiment, selectively controlling the dehydration process of the washing machine to continue running or stop based on the collected current value includes:

[0051] Get any three adjacent current values;

[0052] Based on selecting three adjacent current values, calculating the difference between the current values ​​at two adjacent times, to obtain a first difference and a second difference;

[0053] The dehydration program is selectively controlled to continue running or stop based on the first difference and the second difference.

[0054] In this embodiment, three adjacent current values ​​can be selected from the current values ​​collected after the collection conditions are met, or any three adjacent current values ​​can be directly collected. The difference between the current values ​​at two adjacent times is calculated, and the dehydration program is selectively controlled to continue running or stop based on the first difference and the second difference, that is, by monitoring the change in current during the dehydration process of the washing machine motor, it is determined whether the clothes have achieved the set dehydration effect.

[0055] In one embodiment, selectively controlling the dehydration program to continue running or stop based on the first difference and the second difference includes:

[0056] Compare the first difference value and the second difference value to obtain a comparison result;

[0057] According to the comparison result, it is determined whether the weight of the clothes in the washing machine changes, and based on the determination result, the dehydration program is selectively controlled to continue running or stop.

[0058] In this embodiment, whether the weight of the clothes in the washing machine has changed is determined based on the comparison result: if the current of the washing machine is still unstable, it indicates that the weight of the clothes is still changing, and it is necessary to continue to run the dehydration program, and continue to collect current values ​​and judge whether the current value has reached stability based on the gap between adjacent current values; if the current of the washing machine is in a stable state, it indicates that the weight of the clothes is no longer changing, and the dehydration program is stopped.

[0059] In one embodiment, the selectively controlling the dehydration program to continue running or stop based on the judgment result includes:

[0060] If the comparison result is that the first difference is equal to the second difference, then stop dehydration;

[0061] If the comparison result is that the first difference is not equal to the second difference, the dehydration is continued and S2-S3 is circulated.

[0062] In this embodiment, if the first difference is equal to the second difference, it indicates that there is no gap between adjacent current values, the current of the washing machine has stabilized, and the dehydration program can be terminated; if the first difference is not equal to the second difference, it indicates that there is a gap between adjacent current values, and the current of the washing machine is still in an unstable state, that is, the weight of the clothes in the washing machine is still changing, and the dehydration program needs to be continued.

[0063] In one embodiment, the method further comprises:

[0064] Acquire the current value of any operation stage of the washing machine in real time and / or at a preset time, wherein the operation stage includes at least one of a washing stage, a rinsing stage and a dehydration stage;

[0065] Based on the current value of any one of the operation stages and a preset current threshold corresponding to the operation stage, it is determined whether the motor of the washing machine operates normally in the operation stage.

[0066] In one embodiment, determining whether the motor of the washing machine operates normally during the operation phase includes:

[0067] It is determined whether the current value of any of the operation stages falls within the corresponding current threshold range. If so, it is determined that the motor is operating normally; otherwise, it is determined that the motor has a fault, and an alarm is issued based on the fault.

[0068] In this embodiment, the collected current value may be compared with a preset current threshold. If the collected current value is less than or equal to the current threshold, it indicates that the motor is operating normally; otherwise, it indicates that the motor is faulty.

[0069] The present invention uses the above-mentioned control method to judge and control whether to continue dehydration based on the current collected in the dehydration program, and the current collection time is based on the preset maximum speed of the current dehydration program of the washing machine, the preset duration after reaching the maximum speed, or the current collection conditions set in the last N minutes of the current dehydration program. Compared with the scheme in the prior art that dehydration is performed only when the user sets a fixed dehydration time based on experience or according to the dehydration time set by the program of the washing machine main control board, and dehydration is stopped after the dehydration time is reached, the control method of the present invention can obtain a better dehydration effect, and avoids the problem that the scheme in the prior art that dehydration is stopped only after the fixed dehydration time is reached, such as poor dehydration effect due to low dehydration speed or insufficient dehydration time, or the user selects a program that does not match the clothes to be washed, which affects the user's dehydration experience.

[0070] It should be pointed out that although the various steps in the above embodiments are described in a specific order, those skilled in the art can understand that in order to achieve the effects of the present invention, different steps do not have to be performed in such an order. They can be performed simultaneously (in parallel) or in other orders. These changes are within the scope of protection of the present invention.

[0071] It is understood by those skilled in the art that the present invention implements all or part of the processes in the method of the above embodiment, and can also be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a computer-readable storage medium, and the computer program can implement the steps of the above-mentioned various method embodiments when executed by the processor. Among them, the computer program includes computer program code, and the computer program code can be in source code form, object code form, executable file or some intermediate form. The computer-readable storage medium may include: any entity or device, medium, U disk, mobile hard disk, disk, optical disk, computer memory, read-only memory, random access memory, electric carrier signal, telecommunication signal and software distribution medium that can carry the computer program code. It should be noted that the content contained in the computer-readable storage medium can be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable storage media do not include electric carrier signals and telecommunication signals.

[0072] Embodiment 2

[0073] The present invention also provides a washing machine. In an embodiment of a washing machine according to the present invention, a washing machine includes a processor and a storage device, the storage device can be configured to store a program for executing the control method of the washing machine of the above method embodiment, and the processor can be configured to execute the program in the storage device, the program including but not limited to the program for executing the control method of the washing machine of the above method embodiment. For ease of explanation, only the part related to the embodiment of the present invention is shown. For specific technical details not disclosed, please refer to the method part of the embodiment of the present invention. The washing machine can be a device formed by various electronic devices.

[0074] Embodiment 3

[0075] The present invention also provides a computer-readable storage medium. In a computer-readable storage medium embodiment according to the present invention, the computer-readable storage medium can be configured to store a program for executing the control method of the washing machine of the above-mentioned method embodiment, and the program can be loaded and run by the processor to implement the control method of the above-mentioned washing machine. For ease of explanation, only the parts related to the embodiment of the present invention are shown. For specific technical details not disclosed, please refer to the method part of the embodiment of the present invention. The computer-readable storage medium can be a storage device formed by various electronic devices. Optionally, the computer-readable storage medium in the embodiment of the present invention is a non-temporary computer-readable storage medium.

[0076] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A method for controlling a washing machine, characterized in that: include: S1. Acquire collection conditions based on the parameters set for the current dehydration program of the washing machine, wherein the parameters at least include a preset maximum speed and a second preset time for the current dehydration program, wherein the second preset time is a preset duration of continuous operation after reaching the maximum speed of the current dehydration program or the last N minutes of the current dehydration program, where N≥1; S2. collecting the current value of the washing machine based on the collection condition; S3. Based on the collected current value, selectively control the dehydration program of the washing machine to continue running or stop.

2. The method according to claim 1, characterized in that: Based on the parameters set in the current dehydration program of the washing machine, the acquisition conditions include: Obtaining the current rotation speed of the washing machine, and determining whether the current rotation speed of the washing machine reaches the maximum rotation speed set in the current program of the washing machine; and / or, obtaining the actual time for reaching the highest speed of the current program setting of the washing machine, and determining whether the actual time reaches the second preset time; And / or, obtaining the remaining time of the dehydration program of the current program setting of the washing machine, and determining whether the remaining time reaches the second preset time.

3. The method according to claim 2, characterized in that Collecting the current value of the washing machine based on the collection condition includes: If the current rotation speed of the washing machine reaches the maximum rotation speed of the current program setting of the washing machine and / or the actual time and / or the remaining time reaches the second preset time, the current value is collected.

4. The method according to claim 3, characterized in that Selectively controlling the dehydration process of the washing machine to continue running or stop based on the collected current value includes: Get any three adjacent current values; Based on selecting three adjacent current values, calculating the difference between the current values ​​at two adjacent times, to obtain a first difference and a second difference; The dehydration program is selectively controlled to continue running or stop based on the first difference and the second difference.

5. The method according to claim 4, characterized in that Selectively controlling the dehydration program to continue running or stop based on the first difference and the second difference includes: Compare the first difference value and the second difference value to obtain a comparison result; According to the comparison result, it is determined whether the weight of the clothes in the washing machine changes, and based on the determination result, the dehydration program is selectively controlled to continue running or stop.

6. The method according to claim 5, characterized in that The selective control of the dehydration program to continue running or stop based on the judgment result includes: If the comparison result is that the first difference is equal to the second difference, then stop dehydration; If the comparison result is that the first difference is not equal to the second difference, the dehydration is continued and S2-S3 is circulated.

7. The method according to claim 1, characterized in that The method further comprises: Acquire the current value of any operation stage of the washing machine in real time and / or at a preset time, wherein the operation stage includes at least one of a washing stage, a rinsing stage and a dehydration stage; Based on the current value of any one of the operation stages and a preset current threshold corresponding to the operation stage, it is determined whether the motor of the washing machine operates normally in the operation stage.

8. The method according to claim 7, characterized in that Determining whether the motor of the washing machine operates normally during the operation phase includes: It is determined whether the current value of any of the operation stages falls within the corresponding current threshold range. If so, it is determined that the motor is operating normally; otherwise, it is determined that the motor has a fault, and an alarm is issued based on the fault.

9. A washing machine, comprising a processor and a storage device, wherein the storage device is suitable for storing a plurality of program codes, characterized in that: The program code is suitable for being loaded and run by the processor to execute the control method of the washing machine according to any one of claims 1 to 8.

10. A computer-readable storage medium storing a plurality of program codes, characterized in that: The program code is suitable for being loaded and run by a processor to execute the control method of the washing machine according to any one of claims 1 to 8.