Clothes treatment device control method and clothes treatment device

By acquiring specific detection data at different operating stages, and using motor step loss and rotation parameter fluctuations to determine the fabric jamming phenomenon in drum washing machines, the problems of door seal deformation and water leakage were solved, achieving more accurate detection and effective fabric jamming relief.

WO2025241373A1PCT designated stage Publication Date: 2025-11-27WUXI FILIN ELECTRONICS CO LTD +1
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Patent Information

Application Number
PCT/CN2024/121949
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-22
Filing Date
2024-09-27
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

In the existing technology, the door seal of drum washing machines is prone to deformation due to fabric jamming, which can shorten its service life and cause water leakage. Furthermore, existing testing methods are not accurate enough for different clothing processing programs.

Method used

By acquiring specific detection data at different operating stages and using indicators such as motor step loss and rotation parameter fluctuations, the system can accurately determine whether the garment processing equipment is experiencing a fabric jam. Upon detecting a fabric jam, the system can perform a shaking operation or adjust the rotation speed to alleviate the problem.

Benefits of technology

It improves the accuracy of detecting jamming, extends the service life of door seals, reduces the risk of water leakage, and avoids prolonged jamming of equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present application relates to a clothes treatment device control method and a clothes treatment device. The method comprises: determining the operation stage of a clothes treatment device; and on the basis that detection data corresponding to the operation stage meeting a preset condition, determining that the clothes stuck phenomenon occurs, wherein different operation stages of the clothes treatment device correspond to different detection data. According to the solution of the present application, the specific detection data is acquired on the basis of the operation stage of a clothes treatment device, and a determination as to whether the clothes stuck phenomenon occurs to the clothes treatment device. That is, different operation stages of the clothes treatment device correspond to different detection data, so that the present application can better adapt to different scenes, and can more accurately detect whether the clothes stuck problem occurs.
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Description

Control method of laundry treating apparatus and laundry treating apparatus

[0001] The present application claims priority to the Chinese patent application No. 202410641868.3, filed on May 22, 2024, and entitled "Control method of laundry treating apparatus and laundry treating apparatus", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of laundry treating apparatus, and in particular, to a control method of laundry treating apparatus and laundry treating apparatus. BACKGROUND

[0003] In the process of rotation of the inner tub of the drum-type washing machine, clothes may be stuck between the door seal and the door, which is generally referred to as the cloth sticking problem or cloth sticking phenomenon. The door seal of the drum washing machine is usually a rubber door seal. With the rotation of the inner tub, the stuck clothes and the rubber door seal are continuously stretched and rubbed, and after a certain period of time, the rubber door seal deforms to different degrees.

[0004] With the continuous recurrence of the door seal cloth sticking problem, the degree of deformation of the door seal will be accelerated, the service life of the rubber door seal will be shortened, and eventually the problem of water leakage during operation will be caused.

[0005] In some solutions, whether the cloth sticking phenomenon occurs is determined only by the same method, but when the laundry treating apparatus executes different programs, it is actually not accurate to determine whether the cloth sticking phenomenon occurs only by the same method.

[0006] SUMMARY

[0007] (I) Technical problem to be solved

[0008] The technical problem to be solved by the present application is to solve the problem of how to more accurately detect whether the laundry treating apparatus occurs the cloth sticking phenomenon.

[0009] (II) Technical solutions

[0010] In order to solve the above technical problem, the embodiments of the present application provide a control method of laundry treating apparatus and laundry treating apparatus.

[0011] In a first aspect, the present application provides a control method of laundry treating apparatus, comprising:

[0012] determining an operating phase of the laundry treating apparatus;

[0013] determining that the clothes occur the cloth sticking phenomenon based on that the detection data corresponding to the operating phase meets a preset condition;

[0014] wherein the detection data corresponding to different operating phases of the laundry treating apparatus is different.

[0015] Optionally, the current operation phase is a cleaning phase.

[0016] The determination that the clothes have the carding phenomenon based on the detection data corresponding to the current operation phase satisfying a preset condition comprises:

[0017] Determining that the motor is out of step.

[0018] Based on the number of times that the detected inner drum rotation angle is less than a preset angle being greater than a first preset number of times, it is determined that the clothes have the carding phenomenon.

[0019] Optionally, it further comprises:

[0020] Determining that the motor is not out of step.

[0021] Obtaining fluctuation data of the motor rotation parameter;

[0022] Based on the fluctuation data being greater than preset fluctuation data, it is determined that the clothes have the carding phenomenon.

[0023] Optionally, the obtaining of the fluctuation data of the motor rotation parameter comprises:

[0024] Obtaining a maximum value of the motor rotation parameter and a minimum value of the motor rotation parameter within one rotation of the inner drum;

[0025] Based on the maximum value of the motor rotation parameter and the minimum value of the motor rotation parameter, the fluctuation data of the motor rotation parameter is determined.

[0026] Optionally, the fluctuation data of the motor rotation parameter is determined by the following calculation formula:

[0027] wherein K represents the fluctuation data, Tmax max represents the maximum value of the motor rotation parameter, and min Tmin represents the minimum value of the motor rotation parameter.

[0028] Optionally, the determination that the clothes have the carding phenomenon based on the fluctuation data being greater than preset fluctuation data comprises:

[0029] Based on the number of consecutive times that the fluctuation data is greater than the preset fluctuation data being greater than a second preset number of times, it is determined that the clothes have the carding phenomenon.

[0030] Optionally, after it is determined that the clothes have the carding phenomenon, it further comprises:

[0031] Performing a shaking operation and returning to determining whether the motor is out of step.

[0032] Optionally, it further comprises:

[0033] It is determined that the number of execution of the scattering operation is greater than a third preset number, and a prompt operation is performed.

[0034] Optionally, after the fluctuation data of the motor rotation parameter is acquired, the method further includes:

[0035] It is determined that the inner drum rotates for a preset duration or a preset number of times.

[0036] Optionally, the running stage is a dehydration stage.

[0037] The determination that the clothes have the cloth jamming phenomenon includes:

[0038] Fluctuation data of a motor rotation parameter is acquired.

[0039] Based on the fluctuation data being greater than preset fluctuation data, it is determined that the clothes have the cloth jamming phenomenon.

[0040] Optionally, before the fluctuation data of the motor rotation parameter is acquired, the method further includes:

[0041] It is determined that the motor rotation power is greater than a preset power.

[0042] Optionally, before the fluctuation data of the motor rotation parameter is acquired, the method further includes:

[0043] It is determined that the dehydration rotation speed is greater than a preset rotation speed.

[0044] Optionally, the acquisition of the fluctuation data of the motor rotation parameter includes:

[0045] At least one set of maximum value and minimum value of the motor rotation parameter in one rotation of the inner drum is acquired.

[0046] Based on the maximum value and the minimum value of the motor rotation parameter, the fluctuation data of the motor rotation parameter is determined.

[0047] Optionally, the fluctuation data of the motor rotation parameter is determined by the following calculation formula:

[0048] wherein M represents the fluctuation data, m i = m max,i -m min,i , i = 1, 2, … n, m max,i represents the maximum value of the motor rotation parameter in one rotation of the inner drum, m min,i represents the minimum value of the motor rotation parameter of the inner drum in the same rotation.

[0049] Optionally, after the determination that the clothes have the cloth jamming phenomenon, the method further includes:

[0050] The dehydration rotation speed is reduced.

[0051] Optionally, after the dehydration rotation speed is reduced, the method further comprises: returning to performing the determining that the clothes have the carding phenomenon based on the detection data corresponding to the current operation phase satisfying the preset condition.

[0052] In a second aspect, the present application also provides a clothes processing device, comprising a processor and a memory, wherein the processor executes the steps of the method according to any one of the first aspect by calling the program or instruction stored in the memory. (III) Advantages

[0053] Compared with the prior art, the above technical solutions provided by the embodiments of the present application have the following advantages:

[0054] The present application provides a control method of a clothes processing device and the clothes processing device, and the method comprises: determining a current operation phase of the clothes processing device; determining that clothes have a carding phenomenon based on detection data corresponding to the current operation phase satisfying a preset condition; wherein the detection data corresponding to different current operation phases of the clothes processing device are different. Based on the above scheme, the present application detects whether the clothes processing device has a carding phenomenon by acquiring specific monitoring data based on the current operation phase of the clothes processing device. That is, the detection data is different when the clothes processing device is in different cleaning phases, so that it can be more adaptive to different scenarios and more accurately detect whether a carding problem occurs.

[0055] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0056] The accompanying drawings, which are incorporated into and form part of the specification, illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application.

[0057] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor.

[0058] FIG. 1 is a flowchart of a control method of a clothes processing device according to an embodiment of the present application;

[0059] FIG. 2 is a structural schematic diagram of a clothes processing device according to an embodiment of the present application. DETAILED DESCRIPTION

[0060] In order to make the purposes, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, any person skilled in the art can obtain all other embodiments without creative work, which should belong to the scope of the present application.

[0061] FIG. 1 is a flowchart of a control method of a laundry treating apparatus according to an embodiment of the present application, including:

[0062] S101, determining a running phase of the laundry treating apparatus.

[0063] S102, determining that the laundry has a cloth jam phenomenon based on that the detection data corresponding to the running phase satisfies a preset condition.

[0064] In which, the detection data corresponding to the running phase of the laundry treating apparatus is different.

[0065] Specifically, the laundry treating apparatus in the embodiments of the present application can be a drum washing machine, a washer-dryer, and the like, which can achieve a cleaning effect on the laundry. The running phase indicates different stages of the laundry treating apparatus in cleaning the laundry, for example, the running phase can or can be a cleaning stage, a dehydration stage, a drying stage, and the like. The detection data indicates various data information detected during the operation of the laundry treating apparatus. The detection data can be about the motor, or can be about other elements, for example, it can be the speed of the motor, or it can be an abnormal parameter when the motor is abnormal, or it can be a fault parameter when the motor is faulty, and the like.

[0066] After research, it is found that if the laundry treating apparatus has a cloth jam phenomenon during operation, the detection data will correspondingly be abnormal, and the degree of manifestation of different detection data is different in different running phases. For example, in some running phases, if the cloth jam phenomenon occurs, one item of data is obvious, and in another running phase, if the cloth jam phenomenon occurs, another item of data is obvious. Therefore, the embodiments of the present application obtain different detection data by determining the running phase of the laundry treating apparatus, to determine whether the condition is satisfied, and in the case of satisfying the condition, it is determined that the cloth jam phenomenon occurs. It can be understood that the detection data is different, and the preset condition to be determined is necessarily different.

[0067] That is, the embodiments of the present application obtain specific monitoring data based on the running phase of the laundry treating apparatus to detect whether the laundry treating apparatus has a cloth jam phenomenon. That is, the embodiments of the present application detect different detection data when the laundry treating apparatus is in different cleaning phases, so as to be more adaptable to different scenes and more accurately detect whether the cloth jam problem occurs.

[0068] In some embodiments, the running phase is a cleaning phase.

[0069] Based on the detection data corresponding to the running phase meeting a preset condition, it is determined that the clothes have a stuck phenomenon, including:

[0070] It is determined that the motor is out of step.

[0071] Based on the number of times that the detected inner drum rotation angle is less than a preset angle being greater than a first preset number, it is determined that the clothes have a stuck phenomenon.

[0072] Specifically, in the case where the clothes treatment device has a stuck phenomenon, the clothes (or load) are stuck at the position of the door seal. If the extension length of the clothes is not enough for the inner drum to rotate a full circle when the inner drum drives the clothes to rotate, or after the inner drum rotation angle reaches a preset angle, the force exerted by the clothes on the inner drum is greater than the power of the motor, which can cause the motor to be out of step. The motor out of step can be simply understood as the motor failing to rotate to a specific position (or the rotation angle reaching a predetermined angle) according to the predetermined control target in the controlled process.

[0073] After determining that the motor is out of step, the motor can be controlled to stop running, and then restarted, so as to eliminate the possibility of motor failure as much as possible. Then the motor is controlled to drive the inner drum to rotate. If the number of times that the inner drum rotation angle is less than a preset angle is greater than a first preset number, it can be determined that there is an external force affecting the normal rotation of the inner drum during rotation, and the inner drum cannot rotate normally after rotating to a specific state, so it can be determined that the clothes have a stuck phenomenon.

[0074] Based on the above scheme, the embodiments of the present application can accurately detect whether the clothes treatment device has a stuck phenomenon in the cleaning phase.

[0075] In some embodiments, it further includes:

[0076] It is determined that the motor is not out of step.

[0077] The fluctuation data of the motor rotation parameter is obtained.

[0078] Based on the fluctuation data being greater than a preset fluctuation data, it is determined that the clothes have a stuck phenomenon.

[0079] Specifically, in some scenarios, the clothes processing apparatus occurs the stuck phenomenon, but due to the clothes itself existing in a certain ductility or stuck position can move slightly. In this case, the clothes processing apparatus still can rotate a whole circle although the stuck phenomenon occurs, but the difference from the case where the stuck phenomenon does not occur is that the motor rotation parameter corresponding to the rotation of the inner tub driven by the motor exists a larger fluctuation due to the traction of the clothes when the inner tub rotates to a certain state. For example, in the cleaning process, the motor rotation parameter can include the torque of the motor. In the case where the stuck phenomenon does not occur, the torque of the motor exists a certain fluctuation when the inner tub is rotated by the motor, but the overall fluctuation is small. In the case where the stuck phenomenon occurs, when the inner tub is rotated by the motor, due to the traction of the clothes to the inner tub when the inner tub rotates to a certain state, the torque output by the motor needs to be larger if the motor needs to continue to rotate the inner tub. At this time, the torque of the motor is the most direct parameter to evaluate whether the motor can stably drive the inner tub to rotate, and if the stuck phenomenon occurs, it directly affects the torque of the motor. Therefore, in this embodiment of the present application, whether the stuck phenomenon occurs can be determined by the fluctuation data of the torque of the motor, and if the stuck phenomenon occurs, the fluctuation data must be greater than the preset fluctuation data. If the fluctuation data is less than the preset fluctuation data, it is determined that the clothes do not occur the stuck phenomenon.

[0080] It needs to be particularly pointed out that since the embodiments of the present application do not improve the numerical value, the distinction of the numerical interval is not emphasized too much, for example, in this embodiment, whether the stuck phenomenon occurs when the fluctuation data is equal to the preset fluctuation data is not explicitly emphasized. It can be understood that the preset fluctuation data is only a determination standard, so with different values of the preset fluctuation data, the case where the fluctuation data is equal to the preset fluctuation data may correspond to different determination results, therefore in the embodiments of the present application, the relationship between the fluctuation data and the preset fluctuation data is only conceptually described, and all the following embodiments are the same.

[0081] In summary, the embodiments of the present application can determine whether the clothes occur the stuck phenomenon based on the above-mentioned scheme under the condition that the motor does not lose step.

[0082] In some embodiments, obtaining the fluctuation data of the motor rotation parameter includes:

[0083] Obtaining the maximum value of the motor rotation parameter and the minimum value of the motor rotation parameter in the rotation of the inner tub.

[0084] Determining the fluctuation data of the motor rotation parameter based on the maximum value of the motor rotation parameter and the minimum value of the motor rotation parameter.

[0085] Specifically, in the case where the clothes treatment apparatus does not occur the carding phenomenon, although the clothes treatment apparatus is affected by the eccentricity in the rotation of the clothes in the inner tub, the motor rotation parameter also has a certain fluctuation, but the overall fluctuation is small. However, if the carding phenomenon occurs, due to the pulling action of the clothes, a larger force will be applied to the inner tub, in this case, the motor rotation parameter will be greatly affected, and the maximum value of the motor rotation parameter will become very large. Therefore, the embodiment of the present application can determine the fluctuation data of the motor rotation parameter by the maximum value of the motor rotation parameter and the minimum value of the motor rotation parameter within one rotation of the inner tub, to determine whether the carding phenomenon occurs.

[0086] Specifically, in some embodiments, the fluctuation data of the motor rotation parameter is determined by the following calculation formula:

[0087] wherein K represents the fluctuation data, T max represents the maximum value of the motor rotation parameter, T min represents the minimum value of the motor rotation parameter.

[0088] Wherein, the preset fluctuation data can be K0, if K>K0, it means that the fluctuation data of the motor rotation parameter is large, which represents that the carding phenomenon occurs, otherwise it represents that the carding phenomenon does not occur.

[0089] Based on the above scheme, the embodiment of the present application can accurately determine whether the carding phenomenon occurs through the form of data.

[0090] In some other embodiments, whether the carding phenomenon occurs can also be determined based on the fluctuation data of the maximum value of the rotation speed and the minimum value of the rotation speed within one rotation of the inner tub.

[0091] In some embodiments, based on the fluctuation data being greater than the preset fluctuation data, determining that the clothes occur the carding phenomenon includes:

[0092] Based on the number of consecutive times that the fluctuation data is greater than the preset fluctuation data being greater than a second preset number, determining that the clothes occur the carding phenomenon.

[0093] Specifically, during the rotation of the inner tub, the clothes occur the carding phenomenon after the clothes occur the carding phenomenon, otherwise, the inner tub will also have a pulling effect on the clothes. Therefore, at least one possible scenario exists, that is, the clothes occur the carding phenomenon, but with the pulling effect of the inner tub, the clothes no longer occur the carding phenomenon. Therefore, if it is determined that the carding phenomenon occurs only when it is detected that the fluctuation data is greater than the preset fluctuation data, unnecessary determination may occur. Based on this, the embodiment of the present application can determine that the clothes occur the carding phenomenon when the number of consecutive times that the fluctuation data is greater than the preset fluctuation data is greater than a second preset number, thereby it can be determined that the clothes cannot remove the carding state by themselves, and thus the carding phenomenon can be determined, avoiding unnecessary determination.

[0094] In some embodiments, after determining that the clothes have the carding phenomenon, further comprising:

[0095] performing a shaking operation, and returning to performing the determination of whether the motor is out of step.

[0096] Specifically, after determining that the carding phenomenon occurs, a shaking operation can be performed to shake the clothes and attempt to make the clothes escape from the carding state. After performing the shaking operation, the step of determining whether the motor is out of step can be continued, i.e., re-determining whether the clothes have the carding phenomenon. Based on the above scheme, the embodiments of the present application are beneficial to avoid the clothes treatment device being in the carding state for a long time and alleviate the water leakage problem of the clothes treatment device caused by the carding.

[0097] For the shaking operation, in the embodiments of the present application, the inner tub can be controlled to rotate in the forward and reverse directions alternately at a fixed rotating speed, for example, the inner tub is controlled to rotate in the forward direction for 5 seconds at a rotating speed of 45 rpm (revolutions per minute), then stop rotating for 3 seconds, and then control the inner tub to rotate in the reverse direction for 5 seconds at a rotating speed of 45 rpm. Then repeat the above actions, and after performing N times of the above actions, the shaking operation is completed.

[0098] In some embodiments, further comprising:

[0099] determining that the number of times of performing the shaking operation is greater than a third preset number of times, and performing a prompting operation.

[0100] Specifically, the embodiments of the present application can perform a shaking operation after determining that the carding phenomenon occurs, and re-determine whether the clothes treatment device has the carding phenomenon after performing the shaking operation. If the number of times of performing the shaking operation is greater than a third preset number of times, it can be determined that the clothes treatment device cannot make the clothes treatment device escape from the carding state by itself, and a prompt can be given to remind the user to manually handle the carding problem, so as to avoid the clothes treatment device being in the carding state for a long time.

[0101] In some embodiments, before obtaining the fluctuation data of the motor rotating parameter, further comprising:

[0102] determining that the inner tub rotates for a preset time length or a preset number of turns.

[0103] Specifically, it is found through research that the motor rotating parameter has a large fluctuation within a preset time length or a preset number of turns after the inner tub starts rotating, and the motor rotating parameter within the preset time length or the preset number of turns after the inner tub starts rotating cannot be used to accurately determine whether the carding phenomenon occurs. Therefore, the embodiments of the present application can determine that the motor has rotated for a preset time length or a preset number of turns before obtaining the fluctuation data of the motor rotating parameter. At this time, the obtained motor rotating parameter is relatively stable and has strong reference significance, and can be used to accurately determine whether the carding phenomenon occurs.

[0104] In some embodiments, the running phase is a dehydration phase.

[0105] Based on the detection data corresponding to the running phase satisfying a preset condition, it is determined that the clothes have a carding phenomenon, comprising:

[0106] Obtain fluctuation data of the motor rotation parameter.

[0107] Based on the fluctuation data being greater than a preset fluctuation data, it is determined that the clothes have a carding phenomenon.

[0108] Specifically, in the dehydration phase of the clothes processing device, the clothes also have a carding phenomenon. Compared with the cleaning phase, the rotation speed of the inner tub of the clothes processing device is higher in the dehydration phase. At this time, if a carding phenomenon occurs, it may produce a larger noise, and even cause the clothes processing device to displace. In the dehydration phase, due to the high rotation speed of the inner tub, the inner tub itself has a large inertia, so even if a carding phenomenon occurs, the rotation speed of the inner tub will not fluctuate greatly. Therefore, in the dehydration phase, the motor rotation parameter of the preferred embodiment of the application can be the motor rotation power.

[0109] The embodiment of the application can determine the carding phenomenon based on the fluctuation data of the motor rotation parameter in the dehydration phase.

[0110] In some embodiments, before obtaining the fluctuation data of the motor rotation parameter, it further comprises:

[0111] Determine that the motor rotation power is greater than a preset power.

[0112] Specifically, after the carding phenomenon occurs, the clothes play a traction role on the inner tub after the inner tub rotates to a specific state. If the motor needs to drive the inner tub to continue to rotate, it needs to increase a lot of power. At this time, the motor rotation power will fluctuate greatly. In other scenarios, even if the clothes processing device does not have a carding phenomenon, due to the eccentricity of the clothes in the inner tub during rotation, the motor rotation power will also fluctuate to a certain extent. However, since the carding phenomenon does not occur, the motor does not need to increase a lot of power. Based on this, the embodiment of the application can first determine that the motor rotation power is greater than a preset power before obtaining the fluctuation data of the motor rotation parameter. The preset power can be greater than the maximum power of the clothes processing device when the carding phenomenon does not occur. If the motor rotation power is greater than the preset power, the fluctuation data of the motor rotation parameter can be obtained to determine whether the carding phenomenon occurs.

[0113] In some embodiments, before obtaining the fluctuation data of the motor rotation parameter, it further comprises:

[0114] Determine that the dehydration rotation speed is greater than a preset rotation speed.

[0115] Specifically, in the dehydration phase, the inner tub of the laundry treating apparatus is accelerated to a specific rotating speed by the motor control. During the acceleration process, the motor rotating power increases with the gradual increase of the rotating speed of the inner tub. At this time, even if the inner tub does not have the carding phenomenon, the motor rotating power will have a large fluctuation. Therefore, it is not possible to accurately determine whether the carding phenomenon occurs. The embodiments of the present application can obtain the fluctuation data of the motor rotating parameter after determining that the motor rotating power is greater than the preset power. At this time, the inner tub has been accelerated to a specific rotating speed, and the motor rotating power will not have a large fluctuation in theory. Therefore, it is possible to accurately determine whether the carding phenomenon occurs.

[0116] In some embodiments, obtaining the fluctuation data of the motor rotating parameter includes:

[0117] Obtaining at least one set of maximum value and minimum value of the motor rotating parameter in one rotation of the inner tub.

[0118] Determining the fluctuation data of the motor rotating parameter based on the maximum value and the minimum value of the motor rotating parameter.

[0119] Specifically, as described in the above embodiments, after the laundry treating apparatus has the carding phenomenon, the laundry plays a traction role on the inner tub when the inner tub rotates to a specific state. The motor rotating parameter (for example, the motor rotating power) will obviously increase. In other states in one rotation of the inner tub, the laundry does not play a traction role on the inner tub. Although the motor rotating parameter may have a certain fluctuation, the overall fluctuation is not large. Therefore, the embodiments of the present application can determine the fluctuation data of the motor rotating parameter based on the maximum value and the minimum value of the motor rotating parameter, so as to accurately determine whether the carding phenomenon occurs.

[0120] Specifically, in some embodiments, the fluctuation data of the motor rotating parameter is determined by the following calculation formula:

[0121] wherein, M represents the fluctuation data, m i = m max,i -m min,i , i = 1, 2, … n, m max,i represents the maximum value of the motor rotating parameter in one rotation of the inner tub, m min,i represents the minimum value of the motor rotating parameter of the inner tub in the same rotation.

[0122] The embodiments of the present application can obtain at least one set of maximum value and minimum value of the motor rotating parameter in one rotation of the inner tub. For example, the inner tub rotates for three weeks. The maximum value and the minimum value of the motor rotating parameter in the first week, the maximum value and the minimum value of the motor rotating parameter in the second week, and the maximum value and the minimum value of the motor rotating parameter in the third week can be obtained. For example, m1= mmax,1 -m min,1 represents the difference between the maximum value and the minimum value of the motor rotation parameter of the motor within the first rotation of the inner tub. By determining the maximum value and the minimum value of the motor rotation parameter of the motor within at least one rotation of the motor rotation parameter (if there are multiple groups, the average value is calculated), the fluctuation data of the motor rotation parameter can be determined. If the fluctuation data is greater than the preset fluctuation data, it can be concluded that the fluctuation data is large, and it can be determined that the cloth wrapping phenomenon occurs.

[0123] In some other embodiments, the motor rotation parameter can also include the field weakening current or the armature current of the motor. Whether the cloth wrapping phenomenon occurs is determined based on the fluctuation data of the field weakening current or the armature current, and the principle is similar to the motor rotation power, which will not be described here.

[0124] In some embodiments, after it is determined that the clothes have the cloth wrapping phenomenon, the following steps are included:

[0125] The dehydration rotation speed is reduced.

[0126] As described in the foregoing embodiments, the rotation speed of the inner tub is high in the dehydration phase. If the cloth wrapping phenomenon occurs at this time, the traction of the clothes on the inner tub will cause a large noise, and even cause the displacement of the clothes treatment device. At this time, the noise problem in the dehydration phase can be reduced and the displacement problem of the clothes treatment device can be alleviated by reducing the dehydration rotation speed.

[0127] In some embodiments, the way to reduce the dehydration rotation speed can be to reduce the fixed rotation speed each time, for example, to reduce 5 rpm each time, or to reduce the rotation speed by a certain percentage each time, for example, to reduce the current dehydration rotation speed by 10% each time, and the like, which will not be limited here.

[0128] In some embodiments, after the dehydration rotation speed is reduced, the following step is included: returning to perform the determination that the clothes have the cloth wrapping phenomenon based on the detection data corresponding to the current operation phase meeting the preset condition.

[0129] Specifically, after the dehydration rotation speed is reduced, whether the cloth wrapping phenomenon occurs can be determined based on the scheme in the above embodiments, that is, it is actually determined whether the fluctuation data of the motor rotation parameter is still large. If the fluctuation data of the motor rotation parameter is large, a large noise will inevitably be generated. Therefore, if it is determined that the fluctuation data of the motor rotation parameter is greater than the preset fluctuation data after the dehydration rotation speed is reduced by the above-mentioned method, the rotation speed can be continuously reduced until the fluctuation data of the motor rotation parameter is less than the preset fluctuation data.

[0130] Fig. 2 is a schematic diagram of a structure of a laundry treating apparatus according to an embodiment of the present application. The laundry treating apparatus includes a processor 201 and a memory 202. The processor 201 executes steps of any of the above-described methods by invoking programs or instructions stored in the memory 202.

[0131] Specifically, as shown in Fig. 2, the laundry treating apparatus can be provided with at least one processor 201, at least one memory 202, and at least one communication interface 203. The components in the laundry treating apparatus are coupled together through a bus system 204. The communication interface 203 is used for information transmission between the laundry treating apparatus and external devices. It can be understood that the bus system 204 is used to realize the connection communication between the components. The bus system 204 includes not only a data bus, but also a power supply bus, a control bus, and a status signal bus. However, for the purpose of clear illustration, all the buses are marked as the bus system 204 in Fig. 2.

[0132] It can be understood that the memory 202 in the embodiment can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories. In some embodiments, the memory 202 stores the following elements: executable units or data structures, or a subset of them, or an extended set of them operating systems and application programs. In the embodiment of the present application, the processor 201 executes steps of each embodiment of the method provided by the embodiment of the present application by invoking programs or instructions stored in the memory 202.

[0133] The method provided by the embodiment of the present application can be applied to the processor 201 or implemented by the processor 201. The processor 201 can be an integrated circuit chip having a processing capability of signals. In the implementation process, each step of the above-described method can be completed by integrated logic circuits or instructions in the form of software in the processor 201. The processor 201 described above can be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor.

[0134] The steps of the method provided by the embodiments of the present application can be directly embodied as hardware decoding processor execution completion, or a combination of hardware and software units in the decoding processor execution completion. The software unit can be located in a random memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and other mature storage media in the art. The storage medium is located in the memory 202, and the processor 201 reads the information in the memory 202, and combines the hardware to complete the steps of the method.

[0135] The embodiments of the present application also provide a computer readable storage medium, which stores programs or instructions, and the programs or instructions make the computer execute the steps of any of the above method embodiments.

[0136] The computer readable storage medium provided by the embodiments of the present application can execute the steps of any of the above laundry treating apparatus control method embodiments, and thus can also achieve the same technical effects as the above laundry treating apparatus control method.

[0137] In addition to the above method and laundry cleaning device, the embodiments of the present application can also be a computer program product, which includes computer program instructions, and the computer program instructions make the processor execute the method steps of various embodiments of the present application when the processor runs.

[0138] The computer program product can be written in any combination of one or more programming languages to perform the operations of the embodiments of the present application, including object-oriented programming languages, such as Java, C++, and conventional procedural programming languages, such as "C" language or similar programming languages. The program code can be completely executed on the user computing device, partially executed on the user device, executed as a separate software package, partially executed on the user computing device and partially executed on the remote computing device, or completely executed on the remote computing device or server.

[0139] In addition, the embodiments of the present application can also be a computer readable storage medium, which stores computer program instructions, and the computer program instructions make the processor 201 execute the method steps of various embodiments of the present application when the processor 201 runs.

[0140] The computer-readable storage medium can take the form of one or more combinations of any of the following technologies: a readable medium having one or more wires, portable media, hard disk drives, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or Flash memory), optical media, portable compact disc read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

[0141] It should be noted that, in the present document, relational terms such as“first” and“second”, and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms“comprises”,“comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, terms such as“include”,“comprise”, or“have” are intended to be inclusive and, unless otherwise restricted or limited by context, cover the situation that goods, components, integers, steps, or the like have been added to the subject matter recited in the clauses.

[0142] The foregoing is merely illustrative of the principles of this application and various modifications can be made by persons skilled in the art without departing from the scope and nature of the teachings herein. Accordingly, while the application is presented in connection with one or more embodiments, it is not intended that it should be limited to such embodiments, as a wide and equivalent alterations and modifications will be apparent to those of ordinary skill in the art. Therefore, the scope of the present application should be understood to include all such alterations and modifications of the types described or Industrial Applicability

[0143] The present application can detect whether the laundry treating apparatus has the cloth jamming phenomenon by acquiring specific monitoring data based on the operating stage in which the laundry treating apparatus is located. That is, the present application detects different data according to the cleaning stage in which the laundry treating apparatus is located, thereby being more adaptable to different scenarios and more accurately detecting whether the cloth jamming phenomenon occurs, and thus has high industrial applicability.

Claims

1. A control method of a laundry treating apparatus, characterized by, The method comprises: determining an operation phase of the laundry treating apparatus; determining that the laundry has a piling phenomenon based on the detection data corresponding to the operation phase satisfying a preset condition; wherein the operation phase of the laundry treating apparatus is different, and the corresponding detection data is different.

2. The method of claim 1, wherein, The operation phase is a cleaning phase; the step of determining that the laundry has a piling phenomenon based on the detection data corresponding to the operation phase satisfying a preset condition comprises: determining that the motor is out of step; determining that the laundry has a piling phenomenon based on the number of times that the detected inner tub rotation angle is less than a preset angle being greater than a first preset number of times.

3. The method of claim 2, wherein, The method further comprises: determining that the motor is not out of step; obtaining fluctuation data of the motor rotation parameter; determining that the laundry has a piling phenomenon based on the fluctuation data being greater than a preset fluctuation data.

4. The method of claim 3, wherein, The step of obtaining fluctuation data of the motor rotation parameter comprises: obtaining a maximum value and a minimum value of the motor rotation parameter within one rotation of the inner tub; determining the fluctuation data of the motor rotation parameter based on the maximum value and the minimum value of the motor rotation parameter.

5. The method of claim 4, wherein, The fluctuation data of the motor rotation parameter is determined by the following calculation formula: wherein K represents the fluctuation data, T max representing the electric machine maximum value of a rotation parameter, T min represents a minimum value of a rotation parameter of the electric machine.

6. The method of claim 3, wherein, The step of determining that the laundry has a piling phenomenon based on the fluctuation data being greater than a preset fluctuation data comprises: determining that the laundry has a piling phenomenon based on the number of consecutive times that the fluctuation data is greater than a preset fluctuation data being greater than a second preset number of times.

7. The method of claim 2, wherein, After determining that the laundry has a piling phenomenon, the method further comprises: performing a shaking operation and returning to the step of determining whether the motor is out of step.

8. The method of claim 7, wherein, The method further comprises: determining that the number of times that the shaking operation is performed is greater than a third preset number of times, and performing a prompting operation.

9. The method of claim 3, wherein, Before the step of obtaining fluctuation data of the motor rotation parameter, the method further comprises: determining that the inner tub rotates for a preset time length or a preset number of times.

10. The method of claim 1, wherein, The operation phase is a dehydration phase; the step of determining that the laundry has a piling phenomenon based on the detection data corresponding to the operation phase satisfying a preset condition comprises: obtaining fluctuation data of the motor rotation parameter; determining that the laundry has a piling phenomenon based on the fluctuation data being greater than a preset fluctuation data.

11. The method of claim 10, wherein, Before the step of obtaining fluctuation data of the motor rotation parameter, the method further comprises: determining that the motor rotation power is greater than a preset power.

12. The method of claim 10, wherein, Before the step of obtaining fluctuation data of the motor rotation parameter, the method further comprises: determining that the dehydration rotation speed is greater than a preset rotation speed.

13. The method of claim 10, wherein, The step of obtaining fluctuation data of the motor rotation parameter comprises: obtaining a maximum value and a minimum value of the motor rotation parameter within one rotation of the inner tub in at least one group; determining the fluctuation data of the motor rotation parameter based on the maximum value and the minimum value of the motor rotation parameter. After determining that the laundry has a piling phenomenon, the method comprises:

14. The method of claim 13, wherein, The fluctuation data of the motor rotation parameter is determined by the following calculation formula: Wherein, M represents the fluctuation data, m i = m max,i -m min,i , i = 1, 2, … n, m max,i represents the maximum value of the motor rotation parameter in one rotation of the inner drum, m min,i represents the minimum value of the motor rotation parameter in the same rotation of the inner drum.

15. The method of claim 10, wherein, reducing the dehydration rotation speed. After reducing the dehydration rotation speed, the method further comprises: returning to the step of determining that the laundry has a piling phenomenon based on the detection data corresponding to the operation phase satisfying a preset condition.

16. The method of claim 15, wherein, The laundry treating apparatus comprises a processor and a memory, the processor executes the steps of the method according to any one of claims 1 to 16 by calling programs or instructions stored in the memory. 17.A laundry treating apparatus, characterized by, ​

Citation Information

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