Drying method, control device, storage medium and equipment

Abstract

According to the drying method, the control device, the storage medium and the equipment, the method comprises the steps that before water is injected into a roller in the washing stage, the first eccentricity of the roller is obtained; before drying, the second eccentricity of the roller is obtained; and the drying stage is controlled based on the first eccentricity and the second eccentricity. According to the technical scheme, the first eccentricity of the roller is obtained before water is injected into the roller in the clothes washing stage, the second eccentricity of the roller is obtained before drying, the humidity change of the clothes in the clothes washing process can be accurately sensed through the method, and therefore the drying stage is effectively controlled. Based on the first eccentricity and the second eccentricity, the equipment can intelligently adjust the drying time and temperature to adapt to the actual humidity of the clothes, the drying efficiency is improved, energy is saved, and meanwhile the clothes are prevented from being damaged due to excessive drying.

Description

Technical Field

[0001] The present invention relates to the technical field of washing machines, and specifically provides a drying method, a control device, a storage medium and equipment. Background Art

[0002] With the improvement of living conditions, there is an increasing demand for drying clothes after washing.

[0003] However, in the prior art, traditional drying equipment usually does not accurately quantify the humidity of clothes and can only dry them according to a preset time, resulting in a low efficiency of the drying process, wasting energy and possibly causing the clothes to not be completely dried.

[0004] Accordingly, the art needs a new drying solution to solve the above problems. Summary of the invention

[0005] In order to overcome the above-mentioned defects, the present invention is proposed to provide a solution or at least partially solve the problem that the timed drying solution in the prior art is not practical enough.

[0006] In a first aspect, the present invention provides a drying method, comprising: obtaining a first eccentricity of the drum before water is injected into the drum during a washing stage; obtaining a second eccentricity of the drum before drying; and controlling the drying stage based on the first eccentricity and the second eccentricity.

[0007] As an alternative or supplement to the above scheme, in a method according to an embodiment of the present invention, the drying stage is controlled based on the first eccentricity and the second eccentricity, including: taking the difference between the first eccentricity and the second eccentricity to obtain a first difference, wherein the first difference is the change in eccentricity caused by water remaining on the clothes after the washing process; and controlling the drying stage based on the first difference.

[0008] As an alternative or supplement to the above scheme, a method according to an embodiment of the present invention also includes: obtaining the third eccentricity of the drum after running for a period of time since the start of drying in the drying stage; and controlling the drying stage based on the third eccentricity and the first difference.

[0009] As an alternative or supplement to the above scheme, in a method according to one embodiment of the present invention, the drying stage is controlled based on the third eccentricity and the first difference, comprising: taking the difference between the second eccentricity and the third eccentricity to obtain a second difference, wherein the second difference is the change in eccentricity caused by the water dried on the clothes after a period of time after the drying operation starts; and controlling the drying stage based on the second difference and the first difference.

[0010] As an alternative or supplement to the above scheme, in a method according to an embodiment of the present invention, the drying time corresponding to the third eccentricity is the first time, and the drying stage is controlled based on the second difference and the first difference, including: obtaining a first drying rate based on the second difference and the first time, and controlling the drying stage based on the first drying rate and the first difference.

[0011] As an alternative or supplement to the above solution, in a method according to an embodiment of the present invention, controlling the drying stage includes: obtaining a predicted drying time.

[0012] As an alternative or supplement to the above solution, in a method according to an embodiment of the present invention, the calculation formula of the first drying rate is:

[0013] Wherein A is the first drying rate, 2 is the second difference, and t is the first duration; controlling the drying stage based on the first drying rate and the first difference includes: dividing the first difference by the first drying rate to obtain an estimated time; and controlling the time of the drying stage based on the estimated time.

[0014] In a second aspect, a control device is provided, which includes a processor and a storage device, wherein the storage device is suitable for storing multiple computer programs, and the computer programs are suitable for being loaded and run by the processor to execute the drying method described in any one of the technical solutions of the above-mentioned drying method.

[0015] In a third aspect, a computer-readable storage medium is provided, wherein a plurality of computer programs are stored in the computer-readable storage medium, wherein the computer programs are suitable for being loaded and run by a processor to execute the drying method described in any one of the technical solutions of the above-mentioned drying method.

[0016] In a fourth aspect, a device is provided, comprising a sensor and a control device, wherein the sensor is used to detect the eccentricity of the drum; wherein the control device operates to execute the drying method described in any one of the technical solutions of the above-mentioned drying methods.

[0017] The above one or more technical solutions of the present invention have at least one or more of the following Beneficial effects:

[0018] In the technical solution of the present invention, by obtaining the first eccentricity of the drum before water is added to the drum during the washing stage, and obtaining the second eccentricity of the drum before drying, this method can accurately sense the humidity change of the clothes during the washing process, thereby effectively controlling the drying stage. Based on the first eccentricity and the second eccentricity, the device can intelligently adjust the drying time and temperature to adapt to the actual humidity of the clothes, improve the drying efficiency, save energy, and avoid damage to the clothes due to over-drying. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The disclosure of the present invention will become more easily understood with reference to the accompanying drawings. It will be readily understood by those skilled in the art that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In addition, similar numbers in the drawings represent similar components, wherein:

[0020] Figure 1 is a schematic flow chart of main steps of a drying method according to an embodiment of the present invention;

[0021] Figure 2 is a schematic flow chart of the main steps of a drying method according to an embodiment of the present invention;

[0022] Figure 3 is a schematic flow chart of the secondary steps of a drying method according to an embodiment of the present invention;

[0023] Figure 4 It is a schematic flow chart of the main steps of a drying method according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] Some embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0025] In the description of the present invention, "module" and "processor" may include hardware, software or a combination of the two. A module may include hardware circuits, various suitable sensors, communication ports, and memories, and may also include software parts, such as computer programs, or a combination of software and hardware. The processor may be a central processing unit, a microprocessor, an image processor, a digital signal processor, or any other suitable processor. The processor has data and / or signal processing functions. The processor may be implemented in software, hardware, or a combination of the two. Non-temporary computer-readable storage media include any suitable medium that can store computer programs, such as magnetic disks, hard disks, optical disks, flash memory, read-only memory, random access memory, etc. The term "A and / or B" means all possible combinations of A and B, such as only A, only B, or A and B. The term "at least one A or B" or "at least one of A and B" has a similar meaning to "A and / or B", and may include only A, only B, or A and B. The singular terms "one" and "the" may also include plural forms.

[0026] Embodiment 1:

[0027] See attached Figure 1 , Figure 1 1 is a schematic flow chart of the main steps of a drying method according to an embodiment of the present invention. Figure 1 As shown, the drying method in the embodiment of the present invention mainly includes the following steps S10 to S30.

[0028] Step S10: before water is injected into the drum during the washing stage, obtaining a first eccentricity of the drum.

[0029] In this embodiment, the working process of the drum washing machine is divided into a washing stage, a dehydration stage and a drying stage. In the above process, each stage will have a certain impact on the drum and may cause the eccentricity of the drum. The "eccentricity" here refers to the deviation from the geometric center caused by the gravity of the clothes when the drum is stationary or nearly stationary.

[0030] In one embodiment, before the washing stage begins, the drum of the washing machine is loaded with clothes but water is not yet added to the drum. At this time, the gravity of the clothes will cause the drum to have an eccentricity, which is called the first eccentricity, which reflects the influence of the load of the clothes on the drum.

[0031] In this embodiment, the eccentricity of the drum is detected by a sensor, and the sensor here can be a pressure sensor or an acceleration sensor, and the eccentricity of the drum is obtained by calculation through the data detected by the sensor. These sensors can directly measure the eccentricity of the drum, or measure other parameters such as the angular velocity and vibration frequency of the drum, and then convert them into eccentricity through a built-in algorithm.

[0032] In this embodiment, two different methods used by two specific drum washing machines to obtain the eccentricity are provided, that is, the eccentricity is obtained by a pressure sensor and an acceleration sensor respectively.

[0033] For example, in one embodiment, the washing machine directly senses the eccentricity of the drum through a pressure sensor installed at the drum bearing. When the drum is eccentric, the bearing will be subjected to uneven pressure. This is because the offset of the center of gravity of the drum will cause it to produce uneven loads at the bearings. This change in load will cause the pressure distribution on the bearing to change, thereby forming different pressure areas. The pressure sensor is designed to accurately detect and record these changes, thereby obtaining the eccentricity of the drum.

[0034] Or in another embodiment, the washing machine also indirectly measures the eccentricity by installing an acceleration sensor on the drum. When the drum rotates slightly, if there is eccentricity, the motion state of the drum will change subtly. This is because the eccentricity will affect the rotational balance of the drum, and this influence will manifest as a specific dynamic behavior during the rotation of the drum. For example, a specific vibration mode or periodic changes in the rotation speed may be generated. These subtle motion changes can be captured by the acceleration sensor. Then, the control system of the washing machine will convert these acceleration data into eccentricity according to a preset algorithm. This process may include data processing steps such as Fourier transform, filtering, and pattern recognition, depending on the different sensors and the required accuracy.

[0035] Step S20: Before drying, obtaining a second eccentricity of the drum.

[0036] In this embodiment, the period before drying is the period after the washing and dehydration process is completed and before the drying stage. In this state, the distribution of the clothes in the drum is relatively stable, and the weight of the clothes and the eccentricity of the drum may change due to the change of water content during the washing and dehydration process. The second eccentricity is the eccentricity caused by the weight distribution of the clothes when the drum is stationary or nearly stationary before drying, and a certain amount of water is attached to the clothes at this time.

[0037] In one embodiment, in order to better understand the present technology, the dehydration stage is described in detail herein.

[0038] During the dehydration stage, the washing machine spins the drum at high speed to remove the water in the drum. After the dehydration stage, the drum will gradually stop rotating. The eccentricity measured at this time is called the second eccentricity. This eccentricity not only reflects the load of the clothes, but also reflects the impact caused by the change in the moisture content of the clothes after dehydration.

[0039] After the washing and dehydration process is completed, the washing machine will enter the preparation stage before drying. In this stage, the washing machine first needs to stop the movement of the drum. The purpose of stopping the movement of the drum is to allow the drum and the clothes in it to reach a static or nearly static state, so as to accurately measure the eccentricity. At this time, the clothes in the drum will naturally gather at the bottom of the drum due to the effect of gravity. This process causes the center of gravity of the drum to change, that is, the second eccentricity is generated.

[0040] The washing machine then obtains the second eccentricity through built-in sensors and built-in algorithms.

[0041] After obtaining the second eccentricity, the washing machine will save this data, which will be used to control the drying stage, such as adjusting the drying time, drying temperature, drum speed, etc.

[0042] Step S30: controlling the drying stage based on the first eccentricity and the second eccentricity.

[0043] In one embodiment, the control system of the washing machine calculates the difference or ratio between the two eccentricities according to a preset algorithm or model. The difference or ratio represents the impact of the washing and dehydration stages on the clothes, including the change in moisture content and weight distribution of the clothes during the washing and dehydration process.

[0044] After that, the parameters of the drying stage are adjusted according to the calculation results. The control of the drying stage involves the control of the drying temperature, time, drum speed or hot air flow rate. For example, if the calculation results show that the moisture content of the clothes is high, the washing machine can increase the drying temperature or extend the drying time.

[0045] In this embodiment, the drying stage is controlled by steps S301-S302. Figure 2 As shown, the details are as follows.

[0046] Step S301: taking the difference between the first eccentricity and the second eccentricity to obtain a first difference.

[0047] In this embodiment, the first difference is the change in eccentricity caused by the water remaining on the clothes after the washing process.

[0048] In one embodiment, the first difference is obtained by calculating the drum eccentricity before and after the drying stage. The first difference can be used to evaluate the effect of the residual moisture on the clothes during the washing and dehydration stages on the drum eccentricity, that is, to estimate the moisture state of the clothes.

[0049] Step S302: controlling the drying stage based on the first difference.

[0050] In this embodiment, the drying stage is precisely controlled according to the moisture state of the clothes after the washing and dehydration processes.

[0051] In one embodiment, the drying stage is adjusted according to the size of the first difference. In this embodiment, a specific strategy is given to illustrate the influence of the first difference on the drying state.

[0052] In this embodiment, there are three preset range intervals, namely, a first range, a second range and a third range. The three ranges are continuous ranges and there is no intersection between the ranges. In this embodiment, the value in the first range is greater than the value in the second range and the value in the third range.

[0053] When the first difference is within the first range, it means that the first difference is large, which means that after the washing and dehydration process, there is more water left on the clothes. If the clothes in this state directly enter the drying stage in the prior art, due to excessive water, the drying effect may be poor, or it may take too long to achieve the expected drying effect. Therefore, in order to deal with such a situation, the washing machine needs to make appropriate control adjustments to the drying stage.

[0054] At this time, the control of the drying stage of the washing machine includes increasing the drying time, increasing the drying temperature, or selecting a hot air drying mode to improve the drying efficiency. For example, when the first difference falls within the first range, the drying time is set to 60 minutes, the drying temperature is set to a high temperature (e.g., 70°C), and a strong air volume is used to speed up the drying speed.

[0055] When the first difference is within the second range, it means that the first difference is at a medium level. At this time, the clothes have moderate residual moisture after the washing and dehydration process. For example, when the first difference is within the second range, the drying time is set to a medium time, such as 40 minutes. The drying temperature is set to a medium temperature (such as 50°C). Select a moderate air volume mode.

[0056] When the first difference is within the third range, it means that the first difference is relatively small. In this case, the clothes have little residual moisture after the washing and dehydration process. Such clothes enter the drying stage and are actually close to a dry state.

[0057] At this time, too high a drying temperature or too long a drying time may damage the clothes and also waste energy. Therefore, the washing machine adjusts the control of the drying stage as follows: set a short drying time, such as 20 minutes. Set the drying temperature to a low temperature (such as 40°C). Select a smaller air volume mode.

[0058] The above control methods are all to ensure that ideal drying effects can be achieved under different moisture conditions of clothes. At the same time, through such control, energy saving effects can be achieved, different control strategies can also protect clothes, and improve user satisfaction with washing machines.

[0059] Embodiment 2:

[0060] Most of the techniques in this embodiment are the same as those in Embodiment 1, except that the third eccentricity is also measured in this embodiment. Other than that, the remaining techniques are the same as those in Embodiment 1 and will not be described in detail herein. The specifics are as follows:

[0061] like Figure 3 As shown, in this embodiment, the drying stage is controlled by steps S10-S50.

[0062] Step S40: obtaining the third eccentricity of the drum after running for a period of time since the start of drying in the drying stage.

[0063] In this embodiment, the eccentricity of the drum is further obtained during the drying process to monitor the condition and changes of the clothes during the drying process.

[0064] In one embodiment, after the drying process starts for a period of time, the moisture content of the clothes will further decrease, and the weight and distribution of the clothes in the drum will change, which will cause the eccentricity of the drum to change. This changed eccentricity, i.e., the third eccentricity, reflects the change of the clothes during the drying process and can provide a basis for further control of the drying process.

[0065] In this embodiment, the method of obtaining the third eccentricity is similar to the method of obtaining the first eccentricity and the second eccentricity, and is performed by using a sensor when the drum is stationary or nearly stationary.

[0066] In this embodiment, the specific time point for obtaining the third eccentricity can be adjusted according to actual needs. For example, it can be obtained 5 minutes after the start of drying. During the drying process, because the reduction of moisture in the clothes will cause the change of eccentricity, by monitoring the change of the third eccentricity, the drying condition of the clothes in the drying stage can be indirectly understood.

[0067] Step S50: controlling the drying stage based on the third eccentricity and the first difference.

[0068] In this embodiment, controlling the drying stage includes: obtaining a predicted drying time.

[0069] In one embodiment, the drying stage is controlled by steps S501-S502, such as Figure 4 shown.

[0070] Step S501: taking the difference between the second eccentricity and the third eccentricity to obtain a second difference.

[0071] In this embodiment, the second difference is the change in the eccentricity caused by the dried water on the clothes after a period of time from the start of the drying operation.

[0072] In one embodiment, the second eccentricity is obtained before the drying process begins, and it reflects the eccentricity of the drum caused by the moisture of the clothes after the washing and dehydration process. The third eccentricity is obtained within a period of time after the drying process begins, and it reflects the eccentricity of the drum caused by the reduction of moisture in the clothes during the drying process.

[0073] The difference between the two eccentricities, i.e., the second difference, actually reflects the change in eccentricity caused by the moisture removed from the clothes during the drying process. In other words, the second difference is a direct and quantitative representation of the reduction in moisture in the clothes during the drying process. In this embodiment, the drying effect and drying progress are evaluated by this difference.

[0074] Step S502: controlling the drying stage based on the second difference and the first difference.

[0075] In this embodiment, the washing machine will determine the parameters of the drying stage according to the size of the two differences, including drying time, drying temperature, drying mode, etc. The specific adjustment method will be determined according to the set algorithm.

[0076] In one embodiment, the drying stage is controlled by steps S5021-S5022, as follows:

[0077] Step S5021: Obtain a first drying rate based on the second difference and the first time length.

[0078] In this embodiment, the drying time corresponding to the third eccentricity is the first time.

[0079] In one embodiment, the "first drying rate" can be understood as the change in the eccentricity of the drum caused by the reduction of the moisture content of the clothes per unit time. In other words, it can be used as an indicator to measure the efficiency of drying. Specifically, if the "first drying rate" is high, it means that the drying efficiency is high, and the moisture content of the clothes can be evaporated faster per unit time; conversely, if the "first drying rate" is low, it means that the drying efficiency is low, and the degree of moisture reduction of the clothes per unit time is small.

[0080] This rate can be calculated by directly dividing the second difference by the first duration. After obtaining this rate, the washing machine can use it for subsequent drying stage control to optimize the drying process. For example, if the calculated drying rate is too high, the washing machine may reduce the drying temperature or reduce the wind speed to avoid over-drying of the clothes; conversely, if the drying rate is too low, the washing machine may increase the drying temperature or increase the wind speed to speed up the drying speed.

[0081] In this embodiment, the calculation formula of the first drying rate is:

[0082] Wherein A is the first drying rate, Δa2 is the second difference, and t is the first time duration.

[0083] Step S5022: Control the drying stage based on the first drying rate and the first difference.

[0084] In one embodiment, after analyzing the first drying rate and the first difference, the washing machine will make corresponding control decisions. For example, if the first drying rate is low and the first difference is large, the washing machine may increase the drying time or increase the drying temperature to improve the drying efficiency and ensure that all the water is evaporated. Conversely, if the first drying rate is high and the first difference is small, the washing machine may reduce the drying time or lower the drying temperature to avoid over-drying.

[0085] In this embodiment, a method for obtaining the drying time is provided, wherein the drying time is obtained through steps S50220-S50221.

[0086] Step S50220: Divide the first difference by the first drying rate to obtain an estimated time.

[0087] In this embodiment, the estimated time reflects how long it will take to completely dry the residual moisture on the clothes at the current drying rate.

[0088] Step S50221: Control the time of the drying phase based on the estimated time.

[0089] In this embodiment, the estimated time is used as the drying time of the drying stage.

[0090] It should be noted that, in this embodiment, the equipment used in the drying stage can be the same as or different from the equipment used for washing and dehydrating. This design reflects the flexibility and adaptability of the equipment, and can be selected according to actual needs and usage.

[0091] In a washing and drying device, each stage of washing, dehydration, and drying is completed by the same device. In the drying stage of such a device, key components such as the drum and sensors are shared with the washing and dehydration stages. In this way, the operation of obtaining the third eccentricity can be performed directly on the original device without the need for additional device switching and adjustment.

[0092] In a separate washing and drying device, washing and drying are performed by different devices. During the drying stage in such a device, it may be necessary to transfer the clothes from the washing machine to the dryer. At this time, the operation of obtaining the third eccentricity needs to be performed in the dryer, and the sensor device in the dryer needs to be used.

[0093] It should be pointed out that although the various steps in the above embodiments are described in a specific order, those skilled in the art can understand that in order to achieve the effects of the present invention, different steps do not have to be performed in such an order. They can be performed simultaneously (in parallel) or in other orders. These changes are within the scope of protection of the present invention.

[0094] It is understood by those skilled in the art that the present invention implements all or part of the processes in the method of the above embodiment, and can also be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a computer-readable storage medium, and the computer program can implement the steps of each of the above method embodiments when executed by the processor. Among them, the computer program includes a computer program, and the computer program can be in source code form, object code form, executable file or some intermediate form. The computer-readable storage medium may include: any entity or device, medium, U disk, mobile hard disk, disk, optical disk, computer memory, read-only memory, random access memory, electric carrier signal, telecommunication signal and software distribution medium that can carry the computer program. It should be noted that the content contained in the computer-readable storage medium can be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, computer-readable storage media do not include electric carrier signals and telecommunication signals.

[0095] Furthermore, the present invention also provides a control device. In an embodiment of a control device according to the present invention, the control device includes a processor and a storage device, the storage device can be configured to store a program for executing the drying method of the above method embodiment, and the processor can be configured to execute the program in the storage device, which includes but is not limited to the program for executing the drying method of the above method embodiment. For ease of explanation, only the parts related to the embodiment of the present invention are shown. For specific technical details not disclosed, please refer to the method part of the embodiment of the present invention. The control device can be a control device device formed by various electronic devices.

[0096] Furthermore, the present invention also provides a computer-readable storage medium. In a computer-readable storage medium embodiment according to the present invention, the computer-readable storage medium can be configured to store a program for executing the drying method of the above method embodiment, and the program can be loaded and run by the processor to implement the above drying method. For ease of explanation, only the parts related to the embodiment of the present invention are shown. For specific technical details not disclosed, please refer to the method part of the embodiment of the present invention. The computer-readable storage medium can be a storage device formed by various electronic devices. Optionally, the computer-readable storage medium in the embodiment of the present invention is a non-temporary computer-readable storage medium.

[0097] Furthermore, the present invention also provides an apparatus, which includes a sensor and a control device, wherein the sensor is used to detect the eccentricity of the drum; wherein the control device operates to execute the drying method of the above method embodiment.

[0098] Further, it should be understood that since the setting of each module is only for illustrating the functional units of the device of the present invention, the physical devices corresponding to these modules may be the processor itself, or a part of the software in the processor, a part of the hardware, or a part of the combination of software and hardware. Therefore, the number of each module in the figure is only schematic.

[0099] It is understood by those skilled in the art that the modules in the device can be adaptively split or merged. Such splitting or merging of specific modules will not cause the technical solution to deviate from the principle of the present invention, and therefore, the technical solutions after splitting or merging will fall within the protection scope of the present invention.

[0100] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A drying method, characterized in that: include: Before water is injected into the drum during the washing stage, obtaining a first eccentricity of the drum; Before drying, obtaining a second eccentricity of the drum; The drying stage is controlled based on the first eccentricity and the second eccentricity.

2. The drying method according to claim 1, characterized in that: Controlling the drying stage based on the first eccentricity and the second eccentricity includes: Taking the difference between the first eccentricity and the second eccentricity to obtain a first difference, wherein the first difference is a change in the eccentricity caused by the water remaining on the clothes after the washing process; The drying phase is controlled based on the first difference.

3. The drying method according to claim 2, characterized in that: Also includes: Obtaining the third eccentricity of the drum after running for a period of time since the start of drying in the drying stage; The controlling the drying stage based on the first difference comprises: The drying stage is controlled based on the third eccentricity and the first difference.

4. The drying method according to claim 3, characterized in that: The step of controlling the drying stage based on the third eccentricity and the first difference comprises: Taking the difference between the second eccentricity and the third eccentricity to obtain a second difference, wherein the second difference is a change in the eccentricity caused by the dried water on the clothes after the drying operation starts for a period of time; The drying stage is controlled based on the second difference and the first difference.

5. The drying method according to claim 4, characterized in that: The drying time corresponding to the third eccentricity is the first time. The step of controlling the drying stage based on the second difference and the first difference comprises: Based on the second difference and the first time length, a first drying rate is obtained. The drying phase is controlled based on the first drying rate and the first difference.

6. The drying method according to any one of claims 1 to 5, characterized in that: The controlling the drying stage includes: obtaining a predicted drying time.

7. The drying method according to claim 5, characterized in that: The calculation formula of the first drying rate is: Where A is the first drying rate, Δa2 is the second difference, and t is the first time length; The controlling the drying stage based on the first drying rate and the first difference comprises: Divide the first difference by the first drying rate to obtain an estimated time; The time of the drying stage is controlled based on the estimated time.

8. A control device, comprising a processor and a storage device, wherein the storage device is suitable for storing a plurality of computer programs, characterized in that: The computer program is suitable for being loaded and run by the processor to execute the drying method according to any one of claims 1 to 7.

9. A computer-readable storage medium storing a plurality of computer programs, characterized in that: The computer program is suitable for being loaded and run by a processor to execute the drying method according to any one of claims 1 to 7.

10. A device comprising a sensor and a control device, The sensor is used to detect the eccentricity of the drum; The control device is operated to execute the drying method according to any one of claims 1 to 7.

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