A washing machine dehydration control method, device and system and washing machine

Abstract

The invention discloses a dehydration control method, device and system for a washing machine and a washing machine, and belongs to the field of washing machine control. A detection device is arranged at a preset position to detect whether there is clothing blocking a straight line passing through the preset position in an inner barrel. In the distribution stage, if the clothing is evenly distributed, theoretically the thickness of the clothing on the wall of the inner barrel is the same, because as long as the detection device is arranged at a suitable preset position, when the inner barrel rotates once, if the detection device detects that the clothing is not blocked by clothing, it means that the clothing is evenly distributed; if it is detected that the clothing is blocked, it means that the clothing is unevenly distributed. However, in actual situations, the thickness of the clothing is not exactly the same, and as long as it is relatively uniform, no large shaking will occur. The unblocked time is compared with a preset value. If the unblocked time is less than the preset value, it means that the clothing is unevenly distributed, and continued operation will cause large shaking, which is prone to noise or barrel collision, so the washing machine needs to be controlled to be shaken or distributed again.

Description

Technical Field

[0001] The present invention relates to the field of washing machine control, and in particular to a washing machine dehydration control method, device and system, and a washing machine. Background Art

[0002] Before the washing machine enters the formal dehydration stage, there is a stage of shaking and evenly distributing the clothes. Shaking is to loosen the clothes by slowly rotating the inner drum of the washing machine forward and reversely to prevent the clothes from being tangled together. During the distribution stage, the inner drum of the washing machine accelerates to a certain critical speed. At this speed, the clothes stick to the wall of the drum due to the action of centrifugal force and rotate with the inner drum of the washing machine. No relative motion occurs and a cavity is formed in the washing machine. In the process of accelerating from static to the critical speed, the clothes gradually stick to the wall of the drum and keep synchronized with the inner drum of the washing machine. In the end, the distribution of the clothes in the inner drum of the washing machine may be uniform or uneven.

[0003] If the clothes are unevenly distributed in the inner drum of the washing machine, an eccentricity problem occurs. During the high-speed dehydration stage, the inner drum will be unbalanced and shake violently. At this time, the running noise is loud and the drum may easily hit. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a washing machine dehydration control method, device and system and a washing machine. If the clothes are unevenly distributed in the inner barrel of the washing machine, during the high-speed dehydration stage, the inner barrel is unbalanced and shakes greatly, the operating noise is loud, and the barrel collision problem is likely to occur.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] In a first aspect, a dehydration control method for a washing machine is provided, wherein the washing machine comprises a detection device disposed at a preset position, the detection device being used to detect whether there is clothing blocking a straight line passing through the preset position in an inner tub, the straight line passing through the preset position being parallel to a center line of the inner tub, the control method comprising the following steps:

[0007] When performing the shaking and distributing operations, if the inner drum of the washing machine reaches a preset rotation speed, obtaining the unobstructed time during which the detection device at the target preset position is not obstructed by clothes for each rotation of the inner drum;

[0008] If the unblocked time is less than a preset value, the washing machine is controlled to be shaken and redistributed.

[0009] Furthermore, it also includes:

[0010] If there is only one detection device, the preset position where the detection device is located is determined as the target preset position.

[0011] Furthermore, it also includes:

[0012] If the detection devices include at least two, and the distances from the straight line passing through the preset position of any of the detection devices to the center line are different, then the current washing mode and the current mass of the laundry to be dehydrated are obtained;

[0013] Obtaining the distance between the clothes and the center line when the clothes to be dehydrated of the current mass are evenly distributed in the current washing mode;

[0014] Obtaining a difference between the clothing distance and a set distance corresponding to any one of the detection devices;

[0015] The detection device with a difference not less than 0 and a minimum absolute value of the difference is used as the target detection device;

[0016] The preset position of the target detection device is used as the target preset position.

[0017] Furthermore, it also includes:

[0018] Obtain the current mass of the clothes to be dehydrated in the inner tub;

[0019] When the current mass is greater than the first preset mass, the washing machine is controlled to perform shaking and distributing operations.

[0020] Furthermore, it also includes:

[0021] When the current mass is less than or equal to the first preset mass, the washing machine is controlled to directly spin dry.

[0022] Furthermore, it also includes:

[0023] An alarm detection device is provided at a preset alarm position. If it is detected that the alarm detection device is blocked by clothes when the inner drum of the washing machine reaches a preset rotation speed, the washing machine is controlled to shake and redistribute the clothes.

[0024] Furthermore, it also includes:

[0025] If the unblocked time is greater than or equal to a preset value, the washing machine is controlled to enter a dehydration stage.

[0026] Furthermore, the washing machine is a drum washing machine or a pulsator washing machine.

[0027] In a second aspect, a washing machine dehydration control device is provided, the washing machine comprising a detection device arranged at a preset position, the detection device being used to detect whether there is clothing blocking a straight line passing through the preset position in an inner tub, the straight line passing through the preset position being parallel to a center line of the inner tub, the control device comprising:

[0028] An unobstructed time acquisition module, used for obtaining the unobstructed time during which the detection device at the target preset position is not obstructed by clothes for each rotation of the inner drum when the inner drum of the washing machine reaches a preset speed during the shaking and distributing operations;

[0029] The washing machine control module is used to control the washing machine to re-shake and redistribute if the unblocked time is less than a preset value.

[0030] In a third aspect, a washing machine dehydration control system is provided, comprising:

[0031] processor;

[0032] a memory for storing instructions executable by the processor;

[0033] The processor is configured to execute any one of the methods in the technical solution provided in the first aspect.

[0034] In a fourth aspect, a washing machine is provided, applying any method described in the technical solution provided in the first aspect.

[0035] Beneficial effects:

[0036] The technical solution of the present application provides a washing machine dehydration control method, device and system and a washing machine, which detects whether there are clothes blocking the straight line passing through the preset position in the inner barrel by setting a detection device at a preset position; in the distribution stage, if the clothes are evenly distributed, the theoretical thickness of the clothes on the wall of the inner barrel is the same, because as long as the detection device is set at a suitable preset position, every time the inner barrel rotates one circle, if the detection device detects that it is not blocked by clothes, it means that the distribution is even; if it is detected that it is blocked, it means that the distribution is uneven; but in actual situations, the thickness of the clothes is not exactly the same, as long as it is relatively uniform, it will not cause large shaking; the unblocked time is compared with the preset value; if the unblocked time is less than the preset value, it means that the clothes are unevenly distributed, and continued operation will cause large shaking, which is prone to noise or barrel collision, so it is necessary to control the washing machine to shake or redistribute. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 is a flow chart of a washing machine dehydration control method provided by an embodiment of the present invention;

[0039] Figure 2is a flow chart of a specific washing machine dehydration control method provided by an embodiment of the present invention;

[0040] Figure 3 It is a structural schematic diagram of a washing machine dehydration control device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present invention is described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other implementation methods obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0042] In the first embodiment, the present invention provides a method for controlling the dehydration of a washing machine, wherein the washing machine includes a detection device arranged at a preset position, the detection device is used to detect whether there is clothing blocking a straight line passing through the preset position in the inner tub, the straight line passing through the preset position is parallel to the center line of the inner tub, and the control method is as follows: Figure 1 As shown, the following steps are included:

[0043] S11: when performing the shaking and distributing operations, if the inner drum of the washing machine reaches a preset rotation speed, obtaining the unobstructed time during which the detection device at the target preset position is not obstructed by the clothes for each rotation of the inner drum;

[0044] S12: If the unblocked time is less than a preset value, the washing machine is controlled to be shaken and distributed again.

[0045] The dehydration control method for a washing machine provided in an embodiment of the present invention detects whether there is clothing blocking a straight line passing through the preset position in an inner barrel by setting a detection device at a preset position; in the distribution stage, if the clothing is evenly distributed, the thickness of the clothing on the wall of the inner barrel is theoretically the same, so as long as the detection device is set at a suitable preset position, each time the inner barrel rotates one circle, if the detection device detects that the clothing is not blocked by clothing, it means that the distribution is even; if it detects that the clothing is blocked, it means that the distribution is uneven; however, in actual situations, the thickness of the clothing is not exactly the same, so as long as it is relatively uniform, there will be no large shaking; the unblocked time is compared with the preset value; if the unblocked time is less than the preset value, it means that the clothing is unevenly distributed, and continued operation will cause large shaking, which may easily generate noise or barrel collision, so it is necessary to control the washing machine to shake or redistribute.

[0046] Second embodiment, as a supplementary explanation to the first embodiment, the washing machine in the embodiment of the present invention is a drum washing machine or a pulsator washing machine. The washing machine includes a detection device arranged at a preset position, and the detection device is used to detect whether there is any clothing blocking the straight line passing through the preset position in the inner barrel, and the straight line passing through the preset position is parallel to the center line of the inner barrel; wherein the inner barrel is generally cylindrical, and its center line is the line connecting the centers of the upper and lower circles. The detection device can adopt an infrared detection device or a laser detection device, and its detection principle is: the detection device includes a transmitter and a receiver, and if there is no clothing on the detection straight line in the inner barrel, the receiver can receive the infrared or laser sent by the transmitter. In the embodiment of the present invention, if the washing machine is a pulsator washing machine, the transmitter of the detection device is arranged on the barrel cover, and the receiver is arranged at the bottom of the inner barrel; if the washing machine is a drum washing machine, the transmitter of the detection device is arranged on the glass bowl, and the receiver is arranged at the bottom of the inner barrel.

[0047] Control methods such as Figure 2 As shown, the following steps are included:

[0048] Obtain the current mass of the clothes to be dehydrated in the inner tub;

[0049] When the current mass is greater than the first preset mass, the washing machine is controlled to perform shaking and distribution operations. When the current mass is less than or equal to the first preset mass, the washing machine is controlled to dehydrate directly. Because the mass of the clothes to be dehydrated is small (that is, less than or equal to the first preset mass), it means that there are fewer clothes, and even if they are dehydrated directly, it will not cause the inner barrel to be unbalanced. Therefore, dehydration is performed directly at this time without shaking and distributing operations. When the mass of the clothes to be dehydrated is greater than the first preset mass, there is a risk of imbalance in the inner barrel, so it is necessary to control the washing machine to distribute and shake it. Among them, the first preset mass is set according to actual needs.

[0050] When performing the shaking and distributing operation, if the inner barrel of the washing machine reaches the preset speed, when the preset speed is reached, the clothes and the inner barrel wall no longer move relative to each other, and the speed of the washing machine remains unchanged, then it is possible to detect whether the clothes are evenly distributed, and whether the alarm detection device is blocked by clothes. If it is detected that the alarm detection device is blocked by clothes, the washing machine is controlled to shake and distribute again. Among them, the alarm detection device is set at a preset alarm position, because even if the clothes in the barrel of the washing machine are already full before the distribution stage (that is, the clothes fill the washing machine and reach the maximum washing weight of the washing machine), the clothes in the washing machine will still stick to the barrel wall due to centrifugal force during the distribution stage, and a cavity will be formed in the barrel. If even the sensor at this cavity is blocked by clothes, it means that the clothes are poorly shaken and scattered. Under the action of a large centrifugal force, they cannot be evenly attached to the wall of the washing barrel, which will cause a large eccentricity and need to be shaken and distributed again. That is, the distance from the straight line detected by the alarm detection device to the center line of the inner barrel is: the distance from the clothes to the center line of the inner barrel when the mass of the clothes to be dehydrated is theoretically the maximum allowable mass and is evenly distributed.

[0051] If it is not detected that the alarm detection device is blocked by clothes, then the unblocked time of the detection device at the target preset position not being blocked by clothes is obtained for each rotation of the inner drum;

[0052] As an optional implementation of the embodiment of the present invention, if there is only one detection device, the preset position where the detection device is located is determined as the target preset position. If there is only one detection device, it is generally set at the preset alarm position; however, the detection accuracy of this method is poor, and it cannot be detected during the use of clothes with small mass.

[0053] Therefore, in order to solve the above technical problems, the embodiment of the present invention provides another optional implementation method. If the detection device includes at least two, and the setting distance from the straight line passing through the preset position of any detection device to the center line is different, that is, the washing machine is provided with multiple detection devices, it can be used for the detection of clothes of different qualities. When multiple detection devices are used, all detection devices can be started, and the data of all detection devices can be obtained to determine whether they are uniform. However, in this scheme, it wastes energy to start multiple detection devices at the same time, and the data of all detection devices are obtained for judgment, and the amount of data to be processed is large, which requires high processing chips. Therefore, in order to save energy and reduce the amount of data processing, when using multiple detection devices, the embodiment of the present invention selects which detection device to be turned on according to the quality of the clothes to be dehydrated. In this way, only one target detection device needs to be turned on, and only the data of one target detection device needs to be obtained to obtain data, which greatly reduces the amount of data. Specifically, the current washing mode and the current quality of the clothes to be dehydrated are obtained; because the quality and volume of the clothes to be dehydrated in different washing modes are not consistent, such as wool clothes of the same quality selected in the wool washing mode are larger in volume than ordinary clothes selected in the ordinary washing mode. Therefore, it is necessary to determine the type of clothes according to the specific washing mode. Obtain the distance between the clothes and the center line when the clothes to be dehydrated of the current mass are evenly distributed in the current washing mode; the clothes distance can be queried from the preset corresponding table. Obtain the difference between the clothes distance and the set distance corresponding to any detection device; take the detection device with the difference not less than 0 and the smallest absolute value of the difference as the target detection device; generally, the setting distance of the target detection device is smaller than the clothes distance, so that if the clothes are evenly distributed, the target detection device will not be blocked by the clothes after one rotation of the inner barrel. Take the preset position of the target detection device as the target preset position.

[0054] If the unblocked time is less than the preset value, the washing machine is controlled to re-shake and distribute. If the unblocked time is greater than or equal to the preset value, the washing machine is controlled to enter the dehydration stage. The size of the preset value is set according to actual conditions and is not limited in the embodiment of the present invention.

[0055] The specific washing machine dehydration control method provided by the embodiment of the present invention uses a detection device to detect whether the clothes are evenly distributed in the barrel before dehydration. If not, the clothes are shaken and redistributed until they are evenly distributed in the barrel. In this way, the inner barrel will operate in a balanced state during dehydration, and problems such as shaking and barrel collision will not occur.

[0056] In a third embodiment, the present invention provides a washing machine dehydration control device, the washing machine comprising a detection device arranged at a preset position, the detection device being used to detect whether there is clothing blocking a straight line passing through the preset position in the inner tub, the straight line passing through the preset position being parallel to the center line of the inner tub, such as Figure 3 As shown, the control device includes:

[0057] The module 31 for obtaining the unobstructed time is used to obtain the unobstructed time of the detection device at the target preset position that is not obstructed by the clothes for each rotation of the inner drum when the inner drum of the washing machine reaches the preset speed during the shaking and distributing operations; wherein, if there is only one detection device, the preset position where the detection device is located is determined to be the target preset position. If the detection device includes at least two, and the set distances from the straight line passing through the preset position where any detection device is located to the center line are different, the current washing mode and the current mass of the clothes to be dehydrated are obtained; the clothes distance from the clothes to the center line when the clothes of the current mass to be dehydrated are evenly distributed in the current washing mode is obtained; the difference between the clothes distance and the set distance corresponding to any detection device is obtained; the detection device with a difference not less than 0 and the smallest absolute value of the difference is used as the target detection device; the preset position of the target detection device is used as the target preset position.

[0058] The washing machine control module 32 is used to control the washing machine to re-shake and redistribute if the unblocked time is less than a preset value.

[0059] The washing machine also includes a clothing mass acquisition module 33, which is used to acquire the current mass of the clothing to be dehydrated in the inner tub; when the current mass is greater than the first preset mass, the washing machine control module 32 controls the washing machine to perform shaking and distribution operations. When the current mass is less than or equal to the first preset mass, the washing machine control module 32 controls the washing machine to directly dehydrate.

[0060] An alarm detection device is provided at a preset alarm position. If the unobstructed time acquisition module 31 detects that the alarm detection device is blocked by clothes when the inner drum of the washing machine reaches a preset speed, the washing machine control module 32 controls the washing machine to shake and redistribute the clothes.

[0061] As an optional implementation of the embodiment of the present invention, the washing machine is a drum washing machine or a pulsator washing machine.

[0062] The dehydration control device of a washing machine provided in an embodiment of the present invention detects whether there is any clothing blocking a straight line passing through the preset position in an inner barrel by setting a detection device at a preset position; in the distribution stage, if the clothing is evenly distributed, the thickness of the clothing on the wall of the inner barrel is theoretically the same, because as long as the detection device is set at a suitable preset position, each time the inner barrel rotates one circle, if the detection device detects that the clothing is not blocked by clothing, it means that the clothing is evenly distributed; if it detects that the clothing is blocked, it means that the clothing is unevenly distributed; however, in actual situations, the thickness of the clothing is not exactly the same, and as long as it is relatively uniform, there will be no large shaking; the unblocked time is compared with the preset value; if the unblocked time is less than the preset value, it means that the clothing is unevenly distributed, and continued operation will cause large shaking, which may easily generate noise or barrel collision, so it is necessary to control the washing machine to shake or redistribute.

[0063] In a fourth embodiment, the present invention provides a washing machine dehydration control system, comprising:

[0064] processor;

[0065] a memory for storing processor-executable instructions;

[0066] The processor is configured to execute the washing machine dehydration control method provided by the first embodiment or the second embodiment.

[0067] The dehydration control system of the washing machine provided by the embodiment of the present invention stores the executable instructions of the processor in the memory. When the processor executes the executable instructions, it can detect whether there is any clothing blocking the straight line passing through the preset position in the inner barrel by setting a detection device at a preset position. In the distribution stage, if the clothing is evenly distributed, the thickness of the clothing on the wall of the inner barrel is theoretically the same, because as long as the detection device is set at a suitable preset position, when the inner barrel rotates one circle, if the detection device detects that the clothing is not blocked by clothing, it means that the clothing is evenly distributed; if it is detected that the clothing is blocked, it means that the clothing is unevenly distributed. However, in actual situations, the thickness of the clothing is not exactly the same. As long as it is relatively uniform, it will not cause large shaking. The unblocked time is compared with the preset value. If the unblocked time is less than the preset value, it means that the clothing is unevenly distributed. If the clothing continues to run, the shaking is large, which may easily cause noise or barrel collision. Therefore, the washing machine needs to be controlled to shake or redistribute the clothing.

[0068] In a fifth embodiment, the present invention provides a washing machine, which applies the washing machine dehydration control method provided in the first embodiment or the second embodiment.

[0069] The washing machine provided by the embodiment of the present invention detects whether there is clothing blocking a straight line passing through the preset position in the inner drum by setting a detection device at a preset position; in the distribution stage, if the clothing is evenly distributed, the thickness of the clothing on the inner drum wall is theoretically the same, because as long as the detection device is set at a suitable preset position, each time the inner drum rotates one circle, if the detection device detects that the clothing is not blocked by clothing, it means that the clothing is evenly distributed; if it detects that the clothing is blocked, it means that the clothing is unevenly distributed; however, in actual situations, the thickness of the clothing is not exactly the same, and as long as it is relatively uniform, it will not cause large shaking; the unblocked time is compared with the preset value; if the unblocked time is less than the preset value, it means that the clothing is unevenly distributed, and continued operation will cause large shaking, which may easily generate noise or barrel collision, so it is necessary to control the washing machine to shake or redistribute.

[0070] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0071] It should be noted that, in the description of this application, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of this application, unless otherwise specified, the meaning of "plurality" refers to at least two.

[0072] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present application includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present application belong.

[0073] It should be understood that the various parts of the present application can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0074] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0075] In addition, each functional unit in each embodiment of the present application may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

[0076] The storage medium mentioned above can be a read-only memory, a magnetic disk or an optical disk, etc.

[0077] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0078] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A washing machine dehydration control method, characterized in that: The washing machine includes a detection device arranged at a preset position, the detection device is used to detect whether there is clothing blocking a straight line passing through the preset position in the inner tub, the straight line passing through the preset position is parallel to the center line of the inner tub, and the control method includes the following steps: When performing the shaking and distributing operations, if the inner drum of the washing machine reaches a preset rotation speed, obtaining the unobstructed time during which the detection device at the target preset position is not obstructed by clothes for each rotation of the inner drum; If the unblocked time is less than a preset value, the washing machine is controlled to be shaken and redistributed.

2. The method according to claim 1, characterized in that Also includes: If there is only one detection device, the preset position where the detection device is located is determined as the target preset position.

3. The method according to claim 1, characterized in that Also includes: If the detection devices include at least two, and the distances from the straight line passing through the preset position of any of the detection devices to the center line are different, then the current washing mode and the current mass of the laundry to be dehydrated are obtained; Obtaining the distance between the clothes and the center line when the clothes to be dehydrated of the current mass are evenly distributed in the current washing mode; Obtaining a difference between the clothing distance and a set distance corresponding to any one of the detection devices; The detection device with a difference not less than 0 and a minimum absolute value of the difference is used as the target detection device; The preset position of the target detection device is used as the target preset position.

4. The method according to claim 1, characterized in that: Also includes: Obtain the current mass of the clothes to be dehydrated in the inner tub; When the current mass is greater than the first preset mass, the washing machine is controlled to perform shaking and distributing operations.

5. The method according to claim 4, characterized in that Also includes: When the current mass is less than or equal to the first preset mass, the washing machine is controlled to directly spin dry.

6. The method according to claim 1, characterized in that Also includes: An alarm detection device is provided at a preset alarm position. If it is detected that the alarm detection device is blocked by clothes when the inner drum of the washing machine reaches a preset rotation speed, the washing machine is controlled to shake and redistribute the clothes.

7. The method according to claim 1, characterized in that Also includes: If the unblocked time is greater than or equal to a preset value, the washing machine is controlled to enter a dehydration stage.

8. A washing machine dehydration control device, characterized in that: The washing machine includes a detection device arranged at a preset position, the detection device is used to detect whether there is clothing blocking a straight line passing through the preset position in the inner tub, the straight line passing through the preset position being parallel to the center line of the inner tub, and the control device includes: An unobstructed time acquisition module, used for obtaining the unobstructed time during which the detection device at the target preset position is not obstructed by clothes for each rotation of the inner drum when the inner drum of the washing machine reaches a preset speed during the shaking and distributing operations; The washing machine control module is used to control the washing machine to re-shake and redistribute if the unblocked time is less than a preset value.

9. A washing machine dehydration control system, characterized in that: include: processor; a memory for storing instructions executable by the processor; The processor is configured to execute the method according to any one of claims 1 to 7.

10. A washing machine, characterized in that: The method according to any one of claims 1 to 7 is used.

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