A control method, device, and drum washing machine for a drum washing machine

Abstract

This application belongs to the field of electrical technology, specifically relating to a control method, device, and washing machine for a drum washing machine. The drum washing machine is equipped with a front electromagnetic damper and a rear electromagnetic damper for supporting the drum. The front and rear electromagnetic dampers are located at the front and rear ends of the drum, respectively. The control method includes: detecting a first eccentricity value of the front electromagnetic damper and a second eccentricity value of the rear electromagnetic damper; determining a front-rear eccentricity difference based on the difference between the first and second eccentricity values; and adjusting the damping force of the front electromagnetic damper and / or the rear electromagnetic damper according to the front-rear eccentricity difference, so that the front-rear eccentricity difference is equal to zero, thereby enabling the washing machine drum to maintain balance and solving problems such as washing machine displacement and inability to start at high speed caused by the front-rear tilt of the drum.

Description

Technical Field

[0001] This application belongs to the field of electrical technology, specifically relating to a control method, device, and drum washing machine for a drum washing machine. Background Technology

[0002] Front-loading washing machines are designed to mimic the principle of beating clothes with a stick. They use the mechanical work of a motor to rotate the drum, causing the clothes to be repeatedly lifted and dropped inside the washing tub. This repeated motion, combined with the action of detergent and water, cleans the clothes.

[0003] Therefore, the washing tub of a front-loading washing machine is subjected to significant impact during the washing process, which can easily lead to tub tilting after prolonged use. The operating principle of a front-loading washing machine also places high demands on the balance of the tub. If the tub tilts, it can cause significant vibrations or collisions during use, resulting in machine displacement, inability to reach high speeds, and other problems, severely impacting the user experience. Summary of the Invention

[0004] This application provides a control method, device, and washing machine for a drum washing machine to solve the problem that the drum of the drum washing machine is tilted forward and backward, which affects the user experience.

[0005] The technical solution of this application is as follows:

[0006] The first aspect of this application provides a control method for a drum washing machine. The washing machine includes a front electromagnetic damper and a rear electromagnetic damper for supporting the drum, the front and rear electromagnetic dampers being located at the front and rear ends of the drum, respectively. The control method includes:

[0007] The first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper are detected.

[0008] The difference between the front and rear eccentricities is determined based on the difference between the first eccentricity value and the second eccentricity value;

[0009] Adjust the damping force of the front electromagnetic damper and / or the rear electromagnetic damper according to the front-rear eccentricity difference so that the front-rear eccentricity difference is equal to zero.

[0010] In one possible design, adjusting the damping force of the front electromagnetic damper and / or the rear electromagnetic damper based on the front-rear eccentricity difference includes:

[0011] If the front and rear eccentricity difference is less than zero, then increase the damping force of the rear electromagnetic damper;

[0012] If the front-to-back eccentricity difference is greater than zero, then the damping force of the front electromagnetic damper is increased.

[0013] In one possible design, the washing machine is further equipped with a sensor for detecting the position of the washing machine, and before acquiring the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper, the following is also included:

[0014] The sensor detects whether the washing machine has shifted.

[0015] If so, then the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper are detected.

[0016] In one possible design, after adjusting the damping forces of the front electromagnetic damper and / or the rear electromagnetic damper according to the front-rear eccentricity difference to make the front-rear eccentricity difference equal to 0, the design further includes:

[0017] Control the washing machine to redistribute the load.

[0018] In one possible design, controlling the washing machine to redistribute the load includes:

[0019] Adjust the spin speed of the current washing program to the load redistribution speed to redistribute the load;

[0020] The speed of the washing program is adjusted to the test speed, wherein the test speed is greater than the load redistribution speed;

[0021] When the washing machine is running at the test speed, a sensor detects whether the washing machine has shifted.

[0022] If not, the washing program's rotation speed will be adjusted to the program's default rotation speed for washing.

[0023] One possible design also includes:

[0024] If the number of times the washing machine redistributes the load is equal to a preset threshold, and the washing machine still shifts after the last load redistribution, the user is prompted to choose whether to continue redistributing the load.

[0025] In one possible design, prior to controlling the washing machine to redistribute the load, the following is also included:

[0026] Obtain the displacement value of the washing machine;

[0027] The displacement value is sent to the terminal device.

[0028] A second aspect of this application provides a control device applied to a washing machine. The washing machine includes a front electromagnetic damper and a rear electromagnetic damper for supporting a drum. The front electromagnetic damper and the rear electromagnetic damper are respectively located at the front and rear ends of the drum. The control device includes:

[0029] The acquisition module is used to acquire the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper.

[0030] The processing module is used to determine the front and rear eccentricity difference based on the difference between the first eccentricity value and the second eccentricity value;

[0031] The processing module is also used to adjust the damping force of the front electromagnetic damper or the rear electromagnetic damper according to the front-rear eccentricity difference, so that the front-rear eccentricity difference is equal to zero.

[0032] The third aspect of this application provides a washing machine, which is provided with a front electromagnetic damper and a rear electromagnetic damper for supporting a drum. The front electromagnetic damper and the rear electromagnetic damper are respectively located at the front and rear ends of the drum. The washing machine also includes a processor and a memory.

[0033] The memory is used to store computer-executed instructions;

[0034] The processor executes computer execution instructions stored in the memory to implement the control method for a drum washing machine as described in any one of the first aspects.

[0035] A fourth aspect of this application provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, are used to implement the control method for a drum washing machine as described in any of the first aspects.

[0036] The control method, device, and drum washing machine provided in this application include a front electromagnetic damper and a rear electromagnetic damper installed inside the washing machine to support the drum. The front and rear electromagnetic dampers are located at the front and rear ends of the drum, respectively. During the operation of the washing machine, the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper are detected in real time. The front and rear eccentricity difference is determined based on the difference between the first and second eccentricity values. The front and rear eccentricity difference can be used to determine whether the drum is tilted. That is, when the drum is not tilted, the front and rear eccentricity difference should be 0. However, when the drum is tilted, the front and rear eccentricity difference is no longer zero. At this time, the damping force of the front and rear electromagnetic dampers is adjusted according to the specific value of the front and rear eccentricity difference to make the front and rear eccentricity difference equal to 0, so that the drum is no longer tilted, thereby reducing washing noise, improving problems such as drum collision and large-amplitude vibration, and enhancing the user experience. Attached Figure Description

[0037] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0038] Figure 1 A schematic flowchart of the control method for a drum washing machine provided in this application embodiment. Figure 1 ;

[0039] Figure 2 A schematic flowchart of the control method for a drum washing machine provided in this application embodiment. Figure 2 ;

[0040] Figure 3 This is a schematic diagram of the structure of a drum washing machine provided in an embodiment of this application;

[0041] Figure 4 This is a schematic diagram of the control device structure provided in an embodiment of this application.

[0042] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0044] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the invention described herein can be implemented, for example, in orders other than those illustrated or described herein.

[0045] In this application, the terms "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0046] Front-loading washing machines typically have shock absorbers underneath the drum and suspension springs above it. When washing clothes, front-loading washing machines primarily clean them by continuously tumbling and agitating the clothes as the drum rotates.

[0047] This causes the drum to be subjected to a large impact force during use. Since clothes do not often impact the drum evenly during washing, the impact force on the front and back of the drum may be significantly different. After prolonged use, this can easily lead to shock absorber failure, causing the drum to tilt back and forth, resulting in abnormal vibration of the washing machine, easy displacement of the whole machine, and a significant increase in washing noise. It can also easily prevent the washing machine from starting at high speed, seriously affecting the user experience.

[0048] To address this issue, the control method for a drum washing machine provided in this application replaces the shock absorbers supporting the drum washing machine with a front electromagnetic damper and a rear electromagnetic damper. The front electromagnetic damper is installed at the front end of the drum, and the rear electromagnetic damper is installed at the rear end of the drum. By detecting the eccentricity values ​​of the front and rear electromagnetic dampers, it can be determined whether the drum tilts forward or backward during the operation of the drum washing machine.

[0049] Once the drum is detected to be tilted forward or backward, the damping force of the front and / or rear electromagnetic dampers can be adjusted according to the detected eccentricity values ​​of the front and rear electromagnetic dampers, thereby restoring the drum to balance and enabling the washing machine to operate normally, effectively improving the user experience.

[0050] Figure 1 A schematic flowchart of the control method for a drum washing machine provided in this application embodiment. Figure 1 ; Figure 3 This is a schematic diagram of the structure of a drum washing machine provided in an embodiment of this application.

[0051] Please see Figure 1 , Figure 3 As shown, the drum washing machine in this embodiment includes a housing, a drum 301, and a front electromagnetic damper 302 and a rear electromagnetic damper 303 disposed below the drum 301.

[0052] The front electromagnetic damper 302 is located at the front end of the roller 301, and the rear electromagnetic damper 303 is located at the rear end of the roller 301. The two work together to support the roller 301, and both the front electromagnetic damper 302 and the rear electromagnetic damper 303 are connected to the housing.

[0053] The control method for a drum washing machine provided in this embodiment includes:

[0054] S101. Detect the first eccentricity value of the front electromagnetic damper 302 and the second eccentricity value of the rear electromagnetic damper 303;

[0055] Specifically, the front electromagnetic damper 302 and the rear electromagnetic damper 303 can be directly selected from existing electromagnetic dampers, so the structure of the electromagnetic dampers will not be described in detail here. The principle of the electromagnetic damper is electromagnetic induction, that is, when a closed conductor moves and cuts magnetic field lines with a magnetic pole, the magnetic flux passing through the closed conductor changes, and an induced current is generated in the closed conductor. The magnetic field generated by this current will hinder the relative motion between the two. That is, the damping force of the electromagnetic damper can be adjusted by changing the magnitude of the current.

[0056] Currently, most electromagnetic dampers have built-in displacement sensors. During the washing machine's operation, the first eccentricity value of the front electromagnetic damper 302 and the second eccentricity value of the rear electromagnetic damper 303 can be directly obtained through their built-in displacement sensors. Of course, for electromagnetic dampers without displacement sensors, displacement sensors can be installed separately.

[0057] S102. Determine the front and rear eccentricity difference based on the difference between the first eccentricity value and the second eccentricity value;

[0058] Specifically, the first eccentricity value and the second eccentricity value can reflect the current front-to-back height of the roller. The front-to-back eccentricity difference obtained by subtracting the second eccentricity value from the first eccentricity value can determine whether the roller has tilted forward or backward, the magnitude of the tilt, and whether it is tilted forward or backward.

[0059] S103. Adjust the damping force of the front electromagnetic damper 302 and / or the rear electromagnetic damper 303 according to the front and rear eccentricity difference.

[0060] Specifically, the front-to-back eccentricity difference reflects the current front-to-back tilt of the drum. At this time, the damping force of the front electromagnetic damper 302 / rear electromagnetic damper 303 can be increased or decreased according to the specific value of the front-to-back eccentricity difference, so that the front-to-back eccentricity difference is equal to 0, thereby allowing the drum to return to a balanced state.

[0061] The control method for a drum washing machine provided in this embodiment can automatically monitor the first eccentricity value and the second eccentricity value of the front electromagnetic damper 302 and the rear electromagnetic damper 303 during the operation of the washing machine. The front and rear eccentricity difference calculated by the first eccentricity value and the second eccentricity value can quickly determine whether the drum is tilted forward or backward. When the drum is tilted, the damping force of the front electromagnetic damper 302 and / or the rear electromagnetic damper 303 can be quickly adjusted directly according to the front and rear eccentricity difference to keep the drum balanced. This avoids abnormal vibration or excessive washing noise in the washing equipment. In addition, it can also avoid the problem of not being able to start high speed due to drum tilt, resulting in excessively long washing time, thereby greatly improving the user experience.

[0062] For example, the damping forces of the front electromagnetic damper 302 and the rear electromagnetic damper 303 can be adjusted in the following manner:

[0063] When the front and rear eccentricity difference is less than 0, that is, the first eccentricity difference is less than the second eccentricity difference, it can be seen that the eccentricity difference of the rear electromagnetic damper 303 is larger. An electrical signal can be directly transmitted to the rear electromagnetic damper to increase the damping force of the rear electromagnetic damper 303 until the second eccentricity difference is equal to the first eccentricity difference, thus achieving front and rear eccentricity balance.

[0064] When the front and rear eccentricity difference is greater than 0, that is, the first eccentricity difference is greater than the second eccentricity difference, it can be seen that the eccentricity difference of the front electromagnetic damper 302 is larger. An electrical signal can be directly transmitted to the front electromagnetic damper to increase the damping force of the front electromagnetic damper 302, so that the first eccentricity difference and the second eccentricity difference are equal after adjustment, and the front and rear eccentricity balance is achieved.

[0065] For example, the damping forces of the front and rear electromagnetic dampers can be adjusted according to the difference in eccentricity between the front and rear sides, so that the two can quickly reach the same difference in eccentricity and ensure the balance of the drum.

[0066] Figure 2 A schematic flowchart of the control method for a drum washing machine provided in this application embodiment. Figure 2 .

[0067] Please see Figure 2 As shown, the control method for a drum washing machine provided in this embodiment includes:

[0068] S201. Check if the washing machine has shifted;

[0069] Specifically, a sensor can be installed on the drum washing machine to detect its position. The sensor can be a common sensor such as an infrared sensor, an electromagnetic coil sensor, or a displacement sensor.

[0070] For example, when the sensor is an infrared sensor, one of the receiving device and the generating device of the infrared sensor can be installed on the drum washing machine. Correspondingly, the other needs to be installed on a corresponding reference object, such as the wall or cabinet corresponding to the installation location of the drum washing machine, as long as it can be used as a reference without displacement. Of course, if the sensor is an electromagnetic coil sensor, its installation method is similar to that of the infrared sensor, and will not be described in detail here.

[0071] For example, when the sensor is a displacement sensor, it can be directly installed on the drum washing machine. After the drum washing machine is installed for the first time, this position is used as the zero point to set the displacement sensor. Later, the displacement value of the drum washing machine can be directly determined through the displacement sensor.

[0072] After the sensor detects that the washing machine has moved, the process jumps to step S202.

[0073] Of course, when detecting whether the washing machine has shifted, the displacement value of the washing machine can also be obtained and sent to the terminal device. The terminal device can be a mobile terminal or the control panel of the drum washing machine. This allows users to determine whether the continued operation of the washing machine will cause damage to surrounding equipment, and makes it convenient for users to manually change the position of the washing machine and then run it again when there is a risk.

[0074] S202. Detect the first eccentricity value of the front electromagnetic damper 302 and the second eccentricity value of the rear electromagnetic damper 303;

[0075] Specifically, the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper can also be detected directly by displacement sensors.

[0076] S203. Determine the front and rear eccentricity difference based on the difference between the first eccentricity value and the second eccentricity value.

[0077] Specifically, when the front-to-back eccentricity difference is equal to 0, it means that the drum does not have a problem with front-to-back tilting. At this time, the washing machine shakes too much and causes displacement, which is mostly due to uneven load distribution inside the drum. At this time, you can directly jump to step S205.

[0078] When the front-to-back eccentricity difference is not equal to 0, it indicates that the front and back of the roller are unbalanced. At this time, it is necessary to adjust the damping force of the front electromagnetic damper 302 or the rear electromagnetic damper 303 to restore the roller balance and jump to step S204.

[0079] S204. Adjust the damping force of the front electromagnetic damper 302 and / or the rear electromagnetic damper 303 according to the front and rear eccentricity difference, so that the front and rear eccentricity difference is equal to 0.

[0080] S205. Control the washing machine to redistribute the load;

[0081] Specifically, the load can be redistributed by controlling the washing machine's speed, that is, by reducing the speed of the drum washing machine to the load redistribution speed.

[0082] S206. Adjust the washing machine's speed to the test speed, and while the washing machine is running at the test speed, check whether the washing machine has shifted.

[0083] Specifically, after the load redistribution is completed, the speed of the drum washing machine is increased to the test speed, which is greater than the load redistribution speed. The drum washing machine is then run at the test speed for a certain period of time, such as 1 minute. During this process, sensors are used to detect whether the washing machine has shifted.

[0084] If the washing machine has not shifted, it indicates that the load has been successfully redistributed, and the process can proceed to step S209.

[0085] If the washing machine shifts, it indicates that the load redistribution has failed, and the process jumps to step S205.

[0086] Of course, each time the washing machine is detected to have shifted, the shift value can be sent to the terminal device so that the user can take appropriate action in time to prevent the washing machine from damaging surrounding equipment.

[0087] S207. Determine whether the total number of times the washing machine performs load redistribution is less than a preset threshold;

[0088] In this embodiment, the number of load redistribution times is measured by a preset threshold, which can be set according to the actual situation of the washing machine, such as 3 times, 4 times, etc.

[0089] If the total number of times the washing machine redistributes the load is less than a preset threshold, then proceed to step S205; otherwise, proceed to step S208.

[0090] S208. If the total number of load redistribution operations is not less than a preset threshold, the user is prompted to choose whether to perform load redistribution.

[0091] Specifically, if significant vibrations persist even after multiple attempts to redistribute the load by adjusting the rotation speed, it indicates that adjusting the rotation speed to redistribute the load may no longer be effective, and manual load distribution is required.

[0092] The specific prompting method could be through a push notification on a terminal device, allowing the user to pause the program, manually redistribute the load, or directly end the wash cycle, or choose to proceed to step S205 for load redistribution. The terminal device could be the control panel of the drum washing machine or a mobile terminal, allowing users to control the drum washing machine according to their own needs.

[0093] S209. Adjust the washing machine speed to the default speed of the current washing program and perform the wash.

[0094] Specifically, once the load is successfully redistributed and the drum washing machine can operate normally, or after the user manually distributes the load, it can be adjusted to the normal spin speed to clean the clothes normally.

[0095] During normal operation, drum washing machines generally do not shift. They only shift due to severe shaking when the load is unbalanced or other malfunctions occur. In this example, during operation, sensors monitor the washing machine's position in real time. When displacement is detected, the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper are immediately acquired to determine the front-to-back eccentricity difference. This difference is used to determine if the drum is tilted. If not, the load can be redistributed directly. If it is, the front or rear electromagnetic damper is adjusted to make the eccentricity difference equal to zero, thus restoring the drum to balance. Load redistribution is then performed again. If displacement persists after multiple load redistributions, the user is prompted to choose whether to continue redistributing the load. This allows users to manually adjust the machine based on the actual situation and helps them quickly identify washing machine malfunctions.

[0096] In addition, after the washing machine is displaced, its displacement value can be sent to the terminal device, allowing the user to obtain the current displacement status of the washing machine in a timely manner. This enables the user to choose whether to end the program based on the actual situation, thereby preventing the washing machine from affecting the safety of other surrounding devices due to excessive displacement.

[0097] Meanwhile, the terminal device can also be a mobile terminal, allowing customers to monitor the washing machine status in real time and take corresponding actions even when they are not at home. Of course, if the instructions issued by the mobile terminal and the washing machine's control panel conflict, the instructions from the control panel generally have the first priority.

[0098] Figure 4 This is a schematic diagram of the control device structure provided in an embodiment of this application.

[0099] Please see Figure 4 As shown, the control device provided in this example includes an acquisition module 401 and a processing module 402.

[0100] The acquisition module 401 is used to acquire the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper during the operation of the washing machine.

[0101] The processing module 402 is used to determine the front and rear eccentricity difference based on the difference between the first eccentricity value and the second eccentricity value, and adjust the damping force of the front electromagnetic damper 302 or the rear electromagnetic damper 303 according to the front and rear eccentricity difference so that the front and rear eccentricity difference is equal to 0.

[0102] In one possible implementation, the acquisition module 401 is further configured to acquire the displacement value of the washing machine. The processing module 402 is configured to determine whether the washing machine has shifted based on the displacement value; if the washing machine has shifted, the processing module 402 sends the displacement value to the client terminal.

[0103] In one possible implementation, the processing module 402 can also be used to determine the front-to-back eccentricity difference based on the difference between the first eccentricity value and the second eccentricity value when the washing machine is displaced, adjust the damping force of the front electromagnetic damper 302 or the rear electromagnetic damper 303 according to the front-to-back eccentricity difference so that the front-to-back eccentricity difference is equal to 0, and control the washing machine to redistribute the load.

[0104] In one possible implementation, the processing module 402 can also be used to adjust the speed of the current washing program to the load redistribution speed for load redistribution, then adjust the speed to the test speed, and determine whether the washing machine has shifted while the washing machine is running at the test speed. If not, adjust the speed of the current washing program to the default speed for washing; if so, adjust the speed to the load redistribution speed for load redistribution.

[0105] In one possible implementation, the processing module 402 can also be used to record the total number of times the washing machine performs load redistribution in the current washing task. If the total number of times is equal to a preset threshold, the user is prompted to choose whether to continue load redistribution.

[0106] Of course, it is understandable that this device is mainly used to implement the control method of the drum washing machine in the above embodiments, and its specific logic is the same as that in the above embodiments, so it will not be described again here.

[0107] This embodiment also provides a drum washing machine, which includes a drum 301. A front electromagnetic damper 302 and a rear electromagnetic damper 303 are arranged below the drum 301, and the front electromagnetic damper 301 and the rear electromagnetic damper 303 are respectively located at the front and rear ends of the drum 301.

[0108] The drum washing machine also includes a processor and a memory, wherein the memory is used to store computer execution instructions, and the processor runs the computer execution instructions stored in the memory to implement the control method of the drum washing machine in the above embodiment.

[0109] The memory may include high-speed RAM, and may also include non-volatile memory, such as at least one disk storage device.

[0110] The processor may be a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of this application.

[0111] The washing machine may also include a communication interface. In practical implementation, if the communication interface, memory, and processor are implemented independently, they can be interconnected via a bus to communicate with each other. The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc. Buses can be categorized as address buses, data buses, control buses, etc., but this does not imply that there is only one bus or one type of bus.

[0112] If the communication interface, memory, and processor are integrated on a single chip, then the communication interface, memory, and processor can communicate through the internal interface.

[0113] This application embodiment also provides a computer-readable storage medium, which may include various media capable of storing program code, such as a USB flash drive, a portable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk. The computer-readable storage medium stores computer-executable instructions, which are executed by a processor to implement the control method of the drum washing machine in the above embodiment.

[0114] The technical solutions of this application have been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of this application is obviously not limited to these specific embodiments. The above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A control method for a drum washing machine, characterized in that, The washing machine is equipped with a sensor for detecting its position. Inside the washing machine are a front electromagnetic damper and a rear electromagnetic damper for supporting the drum. The front and rear electromagnetic dampers are located at the front and rear ends of the drum, respectively. The control method includes: If the sensor detects that the washing machine has shifted, the sensor then detects the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper. The first eccentricity value and the second eccentricity value are used to reflect the current front and rear height of the drum. The front-to-back eccentricity difference is determined based on the difference between the first eccentricity value and the second eccentricity value. The front-to-back eccentricity difference is used to indicate whether the roller has tilted forward or backward. If the front-to-back eccentricity difference is zero, then control the washing machine to redistribute the load; If the front-to-back eccentricity difference is less than zero, the damping force of the rear electromagnetic damper is increased to make the front-to-back eccentricity difference equal to zero, and the washing machine is controlled to redistribute the load. If the front-to-back eccentricity difference is greater than zero, the damping force of the front electromagnetic damper is increased to make the front-to-back eccentricity difference equal to zero, and the washing machine is controlled to redistribute the load.

2. The control method for a drum washing machine according to claim 1, characterized in that, After adjusting the damping force of the front electromagnetic damper and / or the rear electromagnetic damper according to the front-rear eccentricity difference to make the front-rear eccentricity difference equal to zero, the method further includes: Control the washing machine to redistribute the load.

3. The control method for a drum washing machine according to claim 2, characterized in that, The control of the washing machine to redistribute the load includes: Adjust the spin speed of the current washing program to the load redistribution speed to redistribute the load; The speed of the washing program is adjusted to the test speed, wherein the test speed is greater than the load redistribution speed; When the washing machine is running at the test speed, a sensor detects whether the washing machine has shifted. If not, the washing program's spin speed will be adjusted to the program's default spin speed for washing.

4. The control method for a drum washing machine according to claim 3, characterized in that, Also includes: If the number of times the washing machine redistributes the load is equal to a preset threshold, and the washing machine still shifts after the last load redistribution, the user is prompted to choose whether to continue redistributing the load.

5. The control method for a drum washing machine according to any one of claims 1-4, characterized in that, Before controlling the washing machine to redistribute the load, the following is also included: Obtain the displacement value of the washing machine; The displacement value is sent to the terminal device.

6. A control device, characterized in that, An application is made in a washing machine, wherein the washing machine is equipped with a sensor for detecting the position of the washing machine, the washing machine includes a front electromagnetic damper and a rear electromagnetic damper for supporting the drum, the front electromagnetic damper and the rear electromagnetic damper are respectively located at the front and rear ends of the drum, and the control device includes: The acquisition module is used to acquire the first eccentricity value of the front electromagnetic damper and the second eccentricity value of the rear electromagnetic damper. The first eccentricity value and the second eccentricity value are used to reflect the front and rear heights of the current roller, respectively. The processing module is used to detect whether the washing machine has shifted using the sensor, and to determine the front-to-back eccentricity difference based on the difference between the first eccentricity value and the second eccentricity value, wherein the front-to-back eccentricity difference is used to indicate whether the drum has tilted forward or backward; if the front-to-back eccentricity difference is equal to zero, the washing machine is controlled to redistribute the load; if the front-to-back eccentricity difference is less than zero, the damping force of the rear electromagnetic damper is increased to make the front-to-back eccentricity difference equal to zero, and the washing machine is controlled to redistribute the load; if the front-to-back eccentricity difference is greater than zero, the damping force of the front electromagnetic damper is increased to make the front-to-back eccentricity difference equal to zero, and the washing machine is controlled to redistribute the load.

7. A drum washing machine, characterized in that, The washing machine is equipped with a front electromagnetic damper and a rear electromagnetic damper for supporting the drum. The front electromagnetic damper and the rear electromagnetic damper are located at the front and rear ends of the drum, respectively. It also includes a processor and a memory. The memory is used to store computer-executed instructions; The processor executes computer execution instructions stored in the memory to implement the control method for a drum washing machine as described in any one of claims 1-5.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when executed by a processor, are used to implement the control method for a drum washing machine as described in any one of claims 1-5.

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