Method for controlling fabric treatment appliance, fabric treatment appliance and computer program product

Abstract

The embodiment of the invention provides a method for controlling a fabric treatment appliance, the fabric treatment appliance is configured to perform drying operation on fabric, and the method comprises the following steps: under the condition that a fan (2) of the fabric treatment appliance (10) is closed, controlling the rotating speed of a roller (1) of the fabric treatment appliance, enabling the fabric in the roller and the roller wall of the roller to keep relative static synchronous rotation, and generating pressure between the fabric and the roller wall by using centrifugal force of the fabric (S1); after the rotational speed of the drum (1) reaches the desired rotational speed and lasts for a first period of time, a fan (2) of the fabric treatment appliance (10) is turned on for generating air circulating in the fabric treatment appliance (10) (S2). According to the fabric processing device and the fabric processing method, small and light fabrics are prevented from being adsorbed to the filter screen in the drying process as much as possible, wrinkles, abrasion and / or snagging of the fabrics in the fabric drying process are effectively avoided, and the user experience feeling of the fabric processing device is improved.

Description

Technical Field

[0001] This application relates to the field of household appliances, and more particularly to a method for controlling a fabric processor, a fabric processor, and a computer program product for at least assisting in implementing the steps of the method according to this application. Background Technology

[0002] In existing fabric handling appliances with drying functions, such as dryers and washer-dryer combos, the air inlet is usually located on the rear drum wall, and the air outlet is located at the filter below the door. During the drying process, most of the hot air is blown towards the filter. Since fabric handling appliances have a large air volume and high air velocity, small, lightweight fabrics—such as scarves, socks, and children's clothing—are easily attracted to the vicinity of the filter. This not only causes the fabric to continuously contact the humidity sensor near the filter, leading to deviations in the drying process control parameters, but also causes severe wrinkles in the fabric. Especially with normally sized but very thin fabrics like scarves, part of the fabric may accumulate near the filter while the rest continues to rotate in the drum, causing wrinkles, abrasion, and snagging. Furthermore, the fabric accumulated at the filter below the door is easily noticeable to the user, significantly impacting the user experience of fabric handling appliances.

[0003] Therefore, effectively preventing small pieces of fabric from adsorbing during the fabric drying process has become a technical challenge that needs to be addressed. Summary of the Invention

[0004] The purpose of this application is to provide a method for controlling a fabric processing appliance, a fabric processing appliance, and a computer program product to at least partially solve the problems in the prior art.

[0005] According to a first aspect of this application, a method for controlling a fabric processing appliance, the fabric processing appliance being configured to perform a drying operation on a fabric, the method comprising:

[0006] - Step S1: With the fan of the fabric processing device off, control the rotation speed of the rollers of the fabric processing device so that the fabric in the rollers and the roller wall rotate synchronously while remaining relatively stationary, and use the centrifugal force of the fabric to generate pressure between the fabric and the roller wall; and

[0007] - Step S2: After the roller reaches the desired speed and continues for a first time period, turn on the fan of the fabric processing device to generate air that circulates in the fabric processing device.

[0008] The core concept of this application includes at least the following: by controlling the timing of the opening / closing of the drum and the fan, the fabric and the drum wall can be kept relatively stationary and rotate synchronously. The centrifugal force of the fabric generates pressure between the fabric and the drum wall, thereby resisting the blowing force of the airflow on the fabric through the static friction between the fabric and the drum wall. This minimizes the possibility of small, lightweight fabrics being adsorbed onto the filter screen during the drying process, effectively preventing wrinkles, wear, and / or snagging of the fabric during the drying process, and improving the drying efficiency of small, lightweight fabrics and the user experience of the fabric processing equipment.

[0009] According to an optional embodiment of this application, the method may further include:

[0010] - Step S3: After turning off the fan and waiting for the second time period, the roller can be controlled to decelerate in order to switch the rotation direction of the roller, wherein during the second time period, the flow rate of the air circulating in the fabric processing device is reduced to a flow rate threshold or below, wherein the air with the flow rate threshold is not able to cause the fabric in the roller to be adsorbed onto the filter screen of the fabric processing device.

[0011] By cyclically executing steps S1 to S3, the rotation direction of the roller can be switched, thereby continuously turning the fabric over during the fabric drying process to ensure that the fabric is fully dried.

[0012] According to another optional embodiment of this application, the rotation direction of the drum can be switched multiple times, and the drum continues to rotate for a first desired duration between two switches. The first desired duration can be set, for example, to be greater than 2 minutes and less than 8 minutes. Optionally, the first desired duration differs under different rotation directions of the drum, particularly the first desired duration in the later stages of the drying operation is less than the first desired duration in the earlier stages. Optionally, after each reverse restart of the drum, after the drum speed reaches the desired speed and remains there for a first time period, the fan can be turned on and kept rotating for a second desired duration. Optionally, the fan speed in the later stages of the drying operation can be set to be less than the fan speed in the earlier stages, particularly the fan speed gradually decreasing after each drum rotation direction switching cycle. By repeatedly switching the rotation direction of the drum, the moisture content of the fabric gradually decreases as the drying process progresses. In order to minimize fabric wrinkles generated during the drying process, the frequency of switching the rotation direction of the drum can be gradually increased by gradually reducing the first desired time and / or the second desired time, thereby accelerating the frequency of fabric flipping. Especially when some fabrics fail to adhere to the drum wall and are adsorbed on the filter screen, flipping the fabrics when switching the rotation direction of the drum can redistribute these fabrics and gradually reduce the fan speed, thereby preventing the fabrics from being continuously adsorbed on the filter screen.

[0013] According to another optional embodiment of this application, the desired rotational speed of the drum during a first time period can be adjusted at least based on the fabric material information and / or the amount of clothing. This is achieved when the fabric processing appliance is turned on, where the fabric material information and / or the amount of clothing in the drum is acquired, and the amount of clothing information includes fabric weight information and / or fabric volume information. Optionally, when the fabric processing appliance is turned on, input fabric material information and / or the amount of clothing information can be acquired, and / or the fabric material information and / or the amount of clothing in the drum can be acquired through image analysis processing of the fabric in the drum. Optionally, during the drying operation of the fabric processing appliance, the change in the weight of the fabric in the drum over time can be acquired, and the desired rotational speed of the drum during a first time period can be adjusted at least based on the fabric weight, where the lower the weight of the fabric, the higher the desired rotational speed of the drum during the first time period. Optionally, during the drying operation of the fabric processing appliance, the change in the humidity of the fabric in the drum over time can be acquired, and the desired rotational speed of the drum during a first time period can be adjusted at least based on the fabric humidity, where the lower the humidity of the fabric, the higher the desired rotational speed of the drum during the first time period. In this way, it is ensured that the fabric adheres to the drum wall while generating appropriate pressure between the fabric and the drum wall. This pressure not only generates static friction to resist the blowing force of the airflow in the subsequent process, but also prevents the fabric from being severely wrinkled.

[0014] According to another optional embodiment of this application, the fan speed can be adjusted at least based on the fabric material information and / or the amount of clothing, for example, at least based on the weight of the fabric, wherein the lighter the fabric, the lower the fan speed. Optionally, the fan speed can also be adjusted at least based on the fabric humidity, wherein the lower the fabric humidity, the lower the fan speed. Thus, the fan speed can be gradually reduced based on the fabric weight during the drying process, thereby gradually reducing the airflow velocity circulating in the fabric processing appliance, thereby minimizing the likelihood of the gradually decreasing weight of the fabric being adsorbed onto the filter.

[0015] According to another optional embodiment of this application, the duration of the first time period can be adjusted at least based on the fabric material information and / or the amount of clothing. For example, the duration of the first time period can be adjusted at least based on the weight of the fabric, wherein the lighter the fabric, the longer the duration of the first time period; or the duration of the first time period can be adjusted at least based on the moisture content of the fabric, wherein the lower the moisture content of the fabric, the longer the duration of the first time period. As the fabric dries, its weight decreases, and by gradually increasing the duration of the first time period, more time can be allocated for the fabric to adhere to the drum wall, ensuring that all the fabric adheres to the drum wall as much as possible.

[0016] According to another optional embodiment of this application, the duration of the second time period can be adjusted at least based on the fabric material information and / or the amount of clothing. Exemplarily, the duration of the second time period can also be adjusted at least based on the weight of the fabric, wherein the lighter the fabric, the longer the second time period; or the duration of the second time period can be adjusted at least based on the humidity of the fabric, wherein the lower the humidity of the fabric, the longer the second time period. Here, as the drying process progresses, the second time period can be gradually increased based on the weight of the fabric to further reduce the airflow velocity circulating in the fabric processing appliance, thereby minimizing the likelihood that the fabric will be adsorbed onto the filter screen of the drum by the airflow.

[0017] According to another optional embodiment of this application, the fabric processing device can be preset with a small item drying program. When the small item drying program is activated, the fabric processing device performs a drying operation on the fabric according to the method of this application. Here, a small item drying program that can be manually activated by the user is preset.

[0018] According to another optional embodiment of this application, before step S1, the material information of the fabric in the drum and / or the amount of clothing can be obtained. When the obtained fabric material information meets the set conditions, and / or the obtained amount of clothing is less than the set amount, the operation of step S1 is entered. In this way, the fabric state can be automatically detected, and the small item drying mode can be automatically determined based on the fabric state, thereby saving the user the tedious process of manually selecting and starting the small item drying program, and improving the user experience of the small item drying mode.

[0019] According to another optional embodiment of this application, the fabric processing appliance can preset drying programs, at least one of which includes a small-item drying mode and other drying modes. The small-item drying mode includes steps S1 and S2. The method may include: after the drying program is started, acquiring the material information and / or the amount of clothing in the drum; when the acquired fabric material information meets set conditions, and / or the acquired amount of clothing is less than a set amount, entering the small-item drying mode; otherwise, entering other drying modes. In this way, after the user starts one of the drying programs—for example, the user selects the silk fabric drying mode based on the fabric material—the fabric state can be automatically detected and the user can automatically determine whether to execute the small-item drying mode or another drying mode, thus providing richer drying function options.

[0020] According to a second aspect of this application, a fabric processing device is provided, the fabric processing device comprising:

[0021] - A roller, the rotational speed of which is controllable;

[0022] - A fan, the opening and closing of which are controllable;

[0023] - An air circulation loop, during the drying operation of the fabric handling appliance, causes air in the fabric handling appliance to circulate along the air circulation loop through the operation of the fan; and

[0024] - A control unit configured to perform the method according to this application.

[0025] According to another optional embodiment of this application, the fabric processing device may further include:

[0026] - A garment quantity acquisition unit configured to acquire garment quantity information of the fabric in the drum during the drying operation of the fabric processor; and / or

[0027] - A fabric moisture acquisition unit configured to acquire the moisture content of the fabric in the drum during the drying operation of the fabric processor; and / or

[0028] - Fabric material acquisition unit, which is configured to acquire material information of the fabric in the drum when the fabric processing device is turned on.

[0029] According to a third aspect of this application, a computer program product, such as a computer-readable program carrier, is provided, comprising computer program instructions that, when executed by a processor, at least assist in implementing the steps of the method according to this application. Attached Figure Description

[0030] The principles, features, and advantages of this application will be better understood below with reference to the accompanying drawings. The drawings include:

[0031] Figure 1 A schematic diagram of the structure of a fabric processing appliance according to an exemplary embodiment of this application is shown;

[0032] Figure 2 A flowchart illustrating a method for controlling a fabric processing appliance according to an exemplary embodiment of this application is shown.

[0033] Figure 3 A timing diagram of control signals for a drum and a fan according to an exemplary embodiment of this application is shown;

[0034] Figure 4 A flowchart illustrating a method for controlling a fabric processing appliance according to another exemplary embodiment of this application is shown;

[0035] Figure 5A flowchart illustrating a method for controlling a fabric processing appliance according to another exemplary embodiment of this application is shown; and

[0036] Figure 6 A flowchart illustrating a method for controlling a fabric processing appliance according to another exemplary embodiment of this application is shown. Detailed Implementation

[0037] To make the technical problems to be solved, the technical solutions, and the beneficial technical effects of this application clearer, the application will be further described in detail below with reference to the accompanying drawings and several exemplary embodiments. It should be understood that the specific embodiments described herein are only for explaining this application and are not intended to limit the scope of protection of this application.

[0038] Figure 1 A schematic diagram of a fabric processing appliance according to an exemplary embodiment of this application is shown. In an embodiment of this application, the fabric processing appliance 1 is configured to perform a drying operation on fabrics, and can be various types of dryers with only drying functions—including heat pump dryers, condenser dryers, and exhaust dryers—or a washer-dryer combo. Figure 1 An exemplary schematic diagram of a heat pump dryer is shown, which includes, for example, a drum 1 for accommodating the load, a fan 2, a heat pump system 7, and an air duct 8 for guiding circulating air. The drum 1 is coaxially driven by a motor 11. During the drying program of the fabric handling appliance 1, the drum 1 rotates and dries under the drive of the motor 11. The rotational speed of the drum 1 can be controlled by the control unit 3 by applying a corresponding control signal to the motor 11. The fan 2 provides flow power for the circulating air in the fabric handling appliance 10, so that the dry air in the air duct 8 can enter the drum 1, and the humid air discharged from the drum 1 is sent back into the air duct 8. The opening and closing of the fan 2 can be controlled by the control signal of the control unit 3, and the rotational speed of the fan 2 can also be controlled by the control signal of the control unit 3.

[0039] The heat pump system 7 includes, for example, an evaporator (not shown), a heat pump compressor, a condenser, and an expansion valve. In the heat pump system 7, the refrigerant is compressed by the heat pump compressor from a low-pressure / low-temperature gaseous state to a high-pressure / high-temperature gaseous state. Under this high pressure, the refrigerant condenses into a liquid in the condenser at or near its boiling point at that pressure, releasing heat into the surrounding airflow and thus heating the airflow. The refrigerant then reaches the expansion valve and expands there to a low pressure level, thus reaching a two-phase state. Finally, the refrigerant cools the airflow in the evaporator, causing water vapor in the airflow to condense, absorbing heat from the airflow and returning to a gaseous state, thereby achieving the cyclic evaporation of the refrigerant.

[0040] During the drying operation of the fabric processing appliance 10, the operation of the fan 2 causes the air in the fabric processing appliance 10 to circulate along the air circulation loop. For example... Figure 1 As shown, the air circulation loop of a heat pump dryer can include a drum 1, a fan 2, a heat pump system 7, and an air duct 8 connected in sequence. An air inlet is located in the rear wall of the drum 1. Circulating air in the air duct 8, driven by the fan 2, is blown into the drum 1 through this inlet and absorbs moisture as it passes over the wet fabric load, becoming warm and humid air, thereby achieving the drying effect. An air outlet is located at the filter 12 below the drum 1 door—which is typically used to filter lint generated during the fabric drying process. The warm and humid air blowing from the drum is directed to this outlet and enters the air duct 8 through it. This airflow easily causes small, lightweight fabrics—such as scarves, socks, and children's clothing—to be absorbed near the filter 12. The warm and humid air flowing out of the outlet of the drum 1 is guided by the air duct 8 into the evaporator of the heat pump system 7, where it is cooled and separated into dry, cold air. Dry, cold air enters the condenser of the heat pump system 7 and is heated into dry, hot air. Then, under the action of the fan 2, it is blown back into the drum 1 through the air inlet of the drum 1 via the air duct 8, thereby realizing the circulation of air in the fabric processing device 10 along the air circulation loop of the fabric processing device 10.

[0041] A garment quantity acquisition unit 4 may also be provided in the drum 1, configured to acquire garment quantity information of the fabric in the drum 1 during the drying operation of the fabric handling appliance 10. This garment quantity information may include weight information and / or volume information of the fabric in the drum 1. The garment quantity acquisition unit 4 may be, for example, a weight sensor arranged in the drum 1, capable of directly sensing the weight of the garment in the drum 1, or, for example, an image sensor and its analysis unit arranged in the drum 1, capable of acquiring the volume information of the fabric through image analysis of the fabric in the drum 1. Furthermore, garment quantity information input by the user can be directly obtained from the human-machine interface unit of the fabric handling appliance 10. A fabric humidity acquisition unit 5, such as a humidity sensor, may also be provided near the filter 12 of the drum 1, configured to acquire the humidity of the fabric in the drum 1 during the drying operation of the fabric handling appliance 10. The fabric handling appliance 10 may also include a fabric material acquisition unit 6, configured to acquire the material information of the fabric in the drum 1 when the fabric handling appliance 10 is turned on. The fabric material acquisition unit 6 can be, for example, an image sensor and its analysis unit arranged in the roller 1. By analyzing and processing images of the fabric in the roller 1, the material information of the fabric can be obtained. Alternatively, user-inputted settings regarding the fabric material can be obtained directly from the human-machine interface unit of the fabric processing appliance 10. The information obtained by the clothing quantity acquisition unit 4, the fabric humidity acquisition unit 5, and / or the fabric material acquisition unit 6 is transmitted to the control unit 3 and participates in the control process of the fabric processing appliance 10 as a control factor.

[0042] Next, combined Figure 2 A flowchart illustrating a method for controlling a fabric processing appliance according to an exemplary embodiment of this application details the control process performed by the control unit 3 of the fabric processing appliance 10. The following exemplary embodiments describe the method according to this application in more detail.

[0043] In the current embodiment of this application, the fabric processing device 10 may have a preset small item drying program. When the small item drying program is activated, the fabric processing device 10 can perform a drying operation on the fabric according to the method of this application. The small item drying program may include steps S1 and S2.

[0044] In step S1, with the fan 12 of the fabric processing appliance 1 off, the rotational speed of the roller 1 of the fabric processing appliance 10 can be controlled so that the fabric in the roller 1 rotates synchronously with the roller wall while remaining relatively stationary, and the centrifugal force of the fabric generates pressure between the fabric and the roller wall. In the small-item drying program, the desired rotational speed of the roller 1 is set higher than the centrifugal speed of the fabric processing appliance 1 (approximately 70 rpm). At this centrifugal speed, the fabric in the roller 1 rotates synchronously with the roller wall while remaining relatively stationary, but no pressure is generated between the fabric and the roller wall. At a rotational speed of the roller 1 slightly higher than this centrifugal speed, for example, 80 to 90 rpm, the centrifugal force of the fabric can be used to make the fabric adhere to the roller wall while generating a suitable pressure between the fabric and the roller wall. This pressure can generate static friction to resist the blowing force of the airflow in the subsequent process without causing severe wrinkling of the fabric.

[0045] Figure 3 A timing diagram of control signals for a drum and a fan according to an exemplary embodiment of this application is shown. After the small parts drying program is started, at t 10 The desired rotational speed of w is applied to the motor 11 of the drum 1 at all times. 11 The control signal controls the roller 1 to rotate in the first rotation direction. At t 11 When the rotational speed of roller 1 reaches the desired speed w 11 At the desired rotational speed w 11 The lower fabric is attached to the cylinder wall of roller 1, and the centrifugal force of the fabric generates a certain pressure between the fabric and the cylinder wall.

[0046] In step S2, after the rotational speed of the roller 1 reaches the desired speed and remains there for a first time period T1, the fan 2 of the fabric processing device 10 can be turned on to generate air that circulates within the fabric processing device 10. Figure 3 As shown, at t 11 When the rotational speed of roller 1 reaches the desired speed w 11 Then, roller 1 is continuously run at the desired speed for a first time period T. 11 and in t 12 The desired rotational speed of wind turbine 2 is applied at constant time. 21 The control signal activates fan 2, causing air in fabric processing device 10 to circulate along the air circulation loop. Here, the first time period T... 11 The duration is set to, for example, 10 to 30 seconds, to ensure that the drum 11 continues to run at the desired speed for the first time period T. 11 Afterwards, all the fabric was pressed against the wall of roller 1. At t 12After the fan 2 of the fabric processing appliance 10 is turned on, the air in the air duct 8 is blown into the drum 1 through the air inlet of the drum 1 under the action of the fan 2. When passing through the wet fabric load, the air absorbs moisture and becomes warm and humid air, thereby achieving the drying effect of the fabric. At the same time, it will generate a blowing force on the fabric attached to the drum wall. Due to the pressure between the fabric and the drum wall generated by the centrifugal force of the fabric and the static friction coefficient of the drum wall surface (which is affected by the structural shape and construction material of the drum wall), a certain static friction force will be generated between the fabric and the drum wall when the air flow blows the fabric. This resists the blowing force of the air flow on the fabric, so that the fabric always remains relatively stationary and attached to the drum wall. This can effectively prevent small and lightweight fabrics from being adsorbed near the filter 12 under the action of the air flow.

[0047] According to the current embodiment of this application, by controlling the timing of the opening / closing of the drum and the fan, the fabric and the drum wall can be kept relatively stationary and rotate synchronously. The centrifugal force of the fabric generates pressure between the fabric and the drum wall, thereby resisting the blowing force of the airflow on the fabric through the static friction between the fabric and the drum wall. This minimizes the possibility of small, lightweight fabrics being adsorbed onto the filter screen during the drying process, effectively preventing wrinkles, wear, and / or snagging of the fabric during the drying process, and improving the drying efficiency of small, lightweight fabrics and the user experience of the fabric processing equipment.

[0048] Figure 4 A flowchart illustrating a method for controlling a fabric processing appliance according to another exemplary embodiment of this application is shown. The following only describes the... Figure 2 The differences between the embodiments shown are omitted for brevity, and the same steps will not be described again.

[0049] like Figure 4 As shown, the method may further include step S3. During the fabric drying process, the fabric needs to be turned over continuously to ensure that the fabric is fully dried. This turning over can be achieved by switching the rotation direction of the roller 1. Step S3 describes the process of switching the rotation direction of the roller.

[0050] In step S3, after turning off the fan 2 and waiting for the second time period, the roller 1 can be decelerated to switch the rotation direction of the roller 1. During the second time period, the flow rate of the air circulating in the fabric processing device 10 is reduced to a flow rate threshold or below, wherein the air with the flow rate threshold cannot cause the fabric in the roller 1 to adhere to the filter 12 of the fabric processing device 10.

[0051] like Figure 3 As shown, at t 13 A stop control signal is continuously applied to wind turbine 2, and a second time period T is waited for. 21 Later in t14 A stop control signal is continuously applied to the motor 11 of roller 1, causing roller 1 to begin decelerating. Here, to ensure that the airflow velocity circulating in the fabric processor 10 is reduced to or below a velocity threshold, the second time period T is typically... 21 Set to 5 to 15 seconds. From t 14 From that moment on, roller 1 begins to decelerate until its rotational speed reaches t. 20 The time drops to zero, and the process returns to step S1. While fan 2 remains off, at time t... 20 The desired rotational speed of -w is applied to the motor 11 of roller 1 at all times. 12 The control signal controls the roller to start rotating in a second rotation direction opposite to the first rotation direction, thereby completing the rotation direction switch of roller 1.

[0052] During the fabric drying process, the rotation direction of roller 1 can be switched multiple times, thereby continuously turning the fabric over. This is especially useful when some fabric fails to adhere to the roller wall and is adsorbed onto filter screen 12. Switching the rotation direction of roller 1 allows the fabric to be redistributed, preventing it from continuously adsorbing onto filter screen 12. Between two rotation direction switches, roller 1 can continue rotating for a first desired time, for example, from t... 10 Time to t 20 The moment drum 1 rotates continuously in the first rotation direction for a first desired duration T. S11 From t 20 Time to t 30 The moment drum 1 rotates continuously in the second rotation direction for a first desired duration T. S12 From t 30 Time to t 40 The moment drum 1 rotates continuously in the first rotation direction for a first desired duration T. S13 From t 40 Time to t 50 The moment drum 1 rotates continuously in the second rotation direction for a first desired duration T. S14 And so on. Considering the small quantity of lightweight fabric garments, and that there is sufficient space within roller 1 for these garments to fully unfold when they are pressed against the roller wall, and that severe wrinkles are unlikely to occur, the frequency of switching the rotation direction of roller 1 does not need to be too high. The first desired duration can be set, for example, greater than 2 minutes and less than 8 minutes, and the first desired duration T under different rotation directions of roller 1... S11 T S12 T S13 T S14The parameters can also be set differently. Since the moisture content of the fabric gradually decreases during the drying process, to minimize fabric wrinkles during drying, the fabric needs to be turned over more frequently. Therefore, the first expected time for the later stages of the drying operation can be set shorter than the first expected time for the earlier stages. For example... Figure 3 The first expected duration T S11 T S12 T S13 T S14 It can be set to decrease gradually.

[0053] Furthermore, after each reverse restart of roller 1, once roller 1 reaches the desired speed and maintains it for a first time period, fan 2 can be turned on and kept rotating for a second desired time period, for example, from t 12 Time to t 13 Fan 2 at a speed of w 21 Continuous operation for the second expected duration T S21 From t 22 Time to t 23 Fan 2 at a speed of w 22 Continuous operation for the second expected duration T S22 From t 32 Time to t 33 Fan 2 at a speed of w 23 Continuous operation for the second expected duration T S23 From t 42 Time to t 43 Fan 2 at a speed of w 24 Continuous operation for the second expected duration T S24 And so on. Since the moisture content of the fabric gradually decreases during the drying process, in order to minimize fabric wrinkles during drying, the fabric needs to be turned over more frequently. The second desired time for the later stages of the drying operation can also be set shorter than the second desired time for the earlier stages of the drying operation, for example... Figure 3 The first expected duration T S21 T S22 T S23 T S24 It can be set to decrease gradually.

[0054] Considering that the centrifugal force of the fabric is related to its weight, the desired rotational speed of the roller 1 during a first time period can be adjusted at least based on the fabric weight. The smaller the fabric weight, the greater the desired rotational speed of the roller 1 during the first time period. Here, when the fabric processing appliance 10 is turned on, information about the fabric weight input by the user, for example through a human-machine interface unit, can be obtained. Alternatively, the weight of the fabric in the roller 1 can be detected by a weight sensor arranged in the roller 1. During the drying operation of the fabric processing appliance 10, the change in the fabric weight in the roller 1 over time can be acquired. Based on this change in fabric weight over time, the desired rotational speed of the roller 1 during the first time period can be adjusted. As the fabric dries, its moisture content gradually decreases, and the change in fabric weight over time shows a gradually decreasing trend. Therefore, the desired rotational speed of the roller 1 during the first time period can be gradually increased based on the fabric weight during the drying process. For example, during the first time period T... S11 The expected rotational speed w within 11 In the first time period T S12 The expected rotational speed within -w 12 In the first time period T S13 The expected rotational speed w within 13 In the first time period T S14 The expected rotational speed within -w 14 The rotational speed of the roller 1 can be gradually increased during the first time period according to a pre-set program, without relying on fabric condition detection, so that the desired rotational speed of the roller 1 in the later stage of the drying operation is greater than the desired rotational speed in the earlier stage of the drying operation.

[0055] Furthermore, considering that the lighter the fabric, the lower its centrifugal force, and the easier it is for small, lightweight fabrics to be adsorbed onto the filter 12, to ensure that all fabrics can adhere to the drum wall 1, the duration of the first time period can be adjusted at least based on the fabric weight. The lighter the fabric, the longer the first time period, thus allowing more time for the fabric to adhere. Therefore, the first time period T can be gradually increased based on the fabric weight during the drying process. 11 T 12 T 13 T 14 The duration of the second time period can be gradually increased. On the other hand, the duration of the second time period can be adjusted at least based on the weight of the fabric, wherein the smaller the weight of the fabric, the longer the duration of the second time period, further reducing the airflow velocity circulating in the fabric processing appliance 10. Therefore, the second time period can be gradually increased based on the weight of the fabric during the drying process to further reduce the airflow velocity circulating in the fabric processing appliance 10, i.e., the first time period T...21 T 22 T 23 T 24 Gradually increase. Similarly, according to a pre-set program, without relying on fabric condition detection, the first time period and / or the second time period can be automatically and gradually increased as the drying process progresses. That is, the first time period in the later stage of the drying operation is set to be greater than the first time period in the earlier stage of the drying operation, and / or the second time period in the later stage of the drying operation is set to be greater than the second time period in the earlier stage of the drying operation.

[0056] Compared to the airflow required for normal fabric drying, the airflow required for small-item drying is 20% to 30% smaller. Here, the fan speed of the fan 2 can be adjusted at least based on the weight of the fabric; the lighter the fabric, the lower the fan speed. This gradually reduces the fan speed based on the fabric weight during the drying process, thereby gradually reducing the airflow velocity circulating in the fabric processing appliance 10, thus minimizing the likelihood of the gradually decreasing weight of the fabric being adsorbed onto the filter 12. Similarly, according to a pre-set program, the fan speed of the fan 2 can be automatically and gradually reduced during the drying process without relying on fabric condition detection; that is, the fan speed in the later stages of the drying operation is set lower than the fan speed in the earlier stages. Figure 3 As shown, each time a switching cycle of the roller rotation direction is completed—this switching cycle includes the first desired time T for roller 1 to run in the first rotation direction. S11 and the first desired time T for running in the second rotation direction S12 —The rotational speed of the fan 2 can be gradually reduced, that is, during the second desired time T of the first switching cycle. S21 T S22 The internal fan speed w 21 w 22 Greater than the second expected time T in the second switching cycle S23 T S24 The internal fan speed w 23 w 24 .

[0057] During the drying operation of the fabric processing appliance 10, the humidity of the fabric in the drum 1 can also be acquired by the fabric humidity acquisition unit 5. For example, the change in fabric humidity over time can be detected by a humidity sensor arranged near the filter 12 of the drum 1. Since the weight of the fabric is positively correlated with the fabric humidity, the desired rotational speed of the drum 1 in a first time period, and / or the rotational speed of the fan 2, and / or the duration of the first time period, and / or the duration of the second time period, etc., can be adjusted based on the fabric humidity in a manner similar to the control method based on fabric weight. Specifically, the desired rotational speed of the roller 1 during a first time period can be adjusted at least based on the fabric's humidity, wherein the lower the fabric's humidity, the higher the desired rotational speed of the roller 1 during the first time period; the duration of the first time period can also be adjusted at least based on the fabric's humidity, wherein the lower the fabric's humidity, the longer the first time period; the duration of the second time period can also be adjusted at least based on the fabric's humidity, wherein the lower the fabric's humidity, the longer the second time period; and the rotational speed of the fan 2 can also be adjusted at least based on the fabric's humidity, wherein the lower the fabric's humidity, the lower the rotational speed of the fan 2.

[0058] Figure 5 A flowchart illustrating a method for controlling a fabric processing appliance according to another exemplary embodiment of this application is shown. The following only describes the... Figure 4 The differences between the embodiments shown are omitted for brevity, and the same steps will not be described again.

[0059] With Figure 2 and Figure 4 Unlike the previous embodiment where the user needed to manually select and start the small parts drying program, in this embodiment... Figure 5 In an optional embodiment, the fabric state can be detected in step S10 before step S1, and the small item drying mode can be automatically determined based on the fabric state. The small item drying mode includes steps S1 and S2, and an optional step S3 for switching the drum rotation.

[0060] In step S10, the material information and / or garment quantity information of the fabric in the roller 1 can be obtained, and it can be determined whether the obtained fabric material information meets the set conditions, and / or whether the obtained garment quantity information is less than the set amount. Here, the garment quantity information can include not only fabric weight information, but also fabric volume information. When the fabric processing device 10 is turned on, the garment quantity information input by the user can be obtained directly from the human-machine interaction unit of the fabric processing device 10, or the fabric volume information in the roller 1 can be obtained through image analysis and processing of the fabric in the roller 1, or the fabric weight information in the roller 1 can be detected by a weight sensor arranged in the roller 1. Considering that the fabric material (e.g., lightweight materials such as silk) also affects the static friction coefficient between the fabric and the roller wall, the fabric material information can also be obtained when the fabric processing device 10 is turned on. Here, the user-input setting information about the fabric material can be obtained directly from the human-machine interaction unit of the fabric processing device 10, or the fabric material information in the roller 1 can be obtained through image analysis and processing of the fabric in the roller 1.

[0061] When the acquired fabric material information meets the set conditions, and / or the acquired amount of clothing is less than the set amount, the process proceeds to step S1. This automatically executes a small-item drying program based on the fabric's state, and steps S1 to S3 are repeated cyclically to perform the drying operation on the fabric. During the drying process of small, lightweight fabrics, the desired rotational speed of the roller 1 within a first time period, and / or the rotational speed of the fan 2, and / or the duration of the first time period, and / or the duration of the second time period, can also be adjusted based at least on the fabric material information and / or the amount of clothing.

[0062] Figure 6 A flowchart illustrating a method for controlling a fabric processing appliance according to another exemplary embodiment of this application is shown. The following only describes the... Figure 4 The differences between the embodiments shown are omitted for brevity, and the same steps will not be described again.

[0063] With Figure 2 and Figure 4 Unlike the previous embodiment where the user needed to manually select and start the small parts drying program, in this embodiment... Figure 6 In an optional embodiment, the fabric processing device 10 can preset drying programs, at least one of which includes a small-item drying mode and other drying modes. The small-item drying mode includes steps S1 and S2, and an optional step S3 for switching the drum rotation direction, while the other drying modes include step S4. After the user starts one of the drying programs—for example, the user selects the silk fabric drying mode according to the fabric material—the fabric status can be detected through step S11 and the system can automatically determine whether to execute the small-item drying mode or another drying mode.

[0064] In step S11, after the drying program is started—for example, the user manually selects and starts the silk fabric drying program based on the fabric material—the material information and / or the amount of clothing in the drum 1 can be obtained. It is then determined whether the obtained fabric material information meets the set conditions and / or whether the obtained amount of clothing is less than the set amount. When the obtained fabric material information meets the set conditions and / or the obtained amount of clothing is less than the set amount, the operation in step S1 is entered, thereby automatically entering the small item drying program based on the fabric state, and cyclically executing steps S1 to S3 to perform the drying operation on the fabric. During the drying process of small, lightweight fabrics, the desired rotation speed of the drum 1 in the first time period, and / or the rotation speed of the fan 2, and / or the duration of the first time period, and / or the duration of the second time period, etc., can also be adjusted at least based on the fabric material information and / or the amount of clothing. When the obtained fabric material information does not meet the set conditions, and the obtained amount of clothing is greater than the set amount, the operation in step S4 is entered, in which other drying modes are executed.

[0065] In addition, it should be noted that the step numbers described herein do not necessarily represent the order of steps, but are merely a reference numeral. The order may be changed depending on the specific circumstances, as long as the technical objective of this application can be achieved.

[0066] It should be understood that the terms “first,” “second,” “third,” etc., used in this document are for descriptive purposes only and should not be construed as indicating or implying relative importance, nor should they be construed as implicitly specifying the number of technical features indicated.

[0067] If an embodiment includes an "and / or" association between a first feature and a second feature, it should be interpreted as follows: according to one implementation, the embodiment has not only the first feature but also the second feature; according to another implementation, the embodiment has either only the first feature or only the second feature.

[0068] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of this application, even when only a single embodiment is described with respect to a particular feature. The feature examples provided in this application are intended for illustrative purposes and not for limitation, unless otherwise stated. In practice, multiple features may be combined with each other as needed and where technically feasible. Various substitutions, modifications, and alterations are also conceived without departing from the spirit and scope of this application.

Claims

1. A method for controlling a fabric processing appliance (10), the fabric processing appliance (10) being configured to perform a drying operation on a fabric, the method comprising: Step S1: With the fan (2) of the fabric processing device (10) off, control the rotation speed of the roller (1) of the fabric processing device (10) so that the fabric in the roller (1) and the cylinder wall of the roller (1) rotate synchronously while remaining relatively stationary, and use the centrifugal force of the fabric to generate pressure between the fabric and the cylinder wall. and Step S2: After the rotational speed of the roller (1) reaches the desired speed and continues for a first time period, turn on the fan (2) of the fabric processing device (10) to generate air that circulates in the fabric processing device (10).

2. The method according to claim 1, wherein, The method further includes: Step S3: After turning off the fan (2) and waiting for the second time period, control the roller (1) to decelerate in order to switch the rotation direction of the roller (1), wherein during the second time period, the flow rate of the air circulating in the fabric processing device (10) is reduced to a flow rate threshold or below, wherein the air with the flow rate threshold is not able to cause the fabric in the roller (1) to be adsorbed onto the filter (12) of the fabric processing device (10).

3. The method according to claim 2, wherein, During the drying operation of the fabric processing appliance (10), the changes in the weight of the fabric in the drum (1) over time and / or the changes in the humidity of the fabric in the drum (1) over time are obtained.

4. The method according to claim 3, wherein, The rotational speed of the fan (2) is adjusted at least based on the weight of the fabric, wherein the smaller the weight of the fabric, the lower the rotational speed of the fan (2); and / or The rotational speed of the fan (2) is adjusted based at least on the humidity of the fabric, wherein the lower the humidity of the fabric, the lower the rotational speed of the fan (2).

5. The method according to claim 3, wherein, The desired rotational speed of the roller (1) during a first time period is adjusted based at least on the weight of the fabric, wherein the smaller the weight of the fabric, the greater the desired rotational speed of the roller (1) during the first time period; and / or The desired rotational speed of the roller (1) during a first time period is adjusted based at least on the humidity of the fabric, wherein the lower the humidity of the fabric, the greater the desired rotational speed of the roller (1) during the first time period.

6. The method according to claim 3, wherein, The duration of the first time period is adjusted based at least on the weight of the fabric, wherein the smaller the weight of the fabric, the longer the duration of the first time period; and / or The duration of the first time period is adjusted based at least on the humidity of the fabric, wherein the lower the humidity of the fabric, the longer the duration of the first time period.

7. The method according to claim 3, wherein, The duration of the second time period is adjusted based at least on the weight of the fabric, wherein the smaller the weight of the fabric, the longer the duration of the second time period; and / or The duration of the second time period is adjusted based at least on the humidity of the fabric, wherein the lower the humidity of the fabric, the longer the duration of the second time period.

8. The method according to claim 2, wherein, The method further includes: The rotation direction of the roller (1) is switched multiple times, and the roller (1) continues to rotate for a first desired duration between two switches.

9. The method according to claim 8, wherein, The first desired duration is set to be greater than 2 minutes and less than 8 minutes; and / or The first desired duration differs depending on the rotation direction of the roller (1); and / or The first expected time for the later stages of the drying operation is shorter than the first expected time for the earlier stages of the drying operation.

10. The method according to claim 2, wherein, The method further includes: The rotation direction of the roller (1) is switched multiple times, and after the roller (1) restarts in the opposite direction each time, the fan (2) is turned on after the rotation speed of the roller (1) reaches the desired speed and continues for a first time period, and the fan (2) continues to rotate for a second desired time period.

11. The method according to claim 10, wherein, The speed of the fan (2) in the later stage of the drying operation is lower than the speed of the fan (2) in the earlier stage of the drying operation; and / or With each cycle of switching the rotation direction of the drum, the speed of the fan (2) gradually decreases; and / or The second expected duration of the drying operation in the later stages is less than the second expected duration of the drying operation in the earlier stages.

12. The method according to any one of claims 1 to 11, wherein, The desired rotational speed of the roller (1) during a first time period, and / or the rotational speed of the fan (2), and / or the duration of the first time period, and / or the duration of the second time period are adjusted based at least on the material information of the fabric and / or the amount of clothing. The material information of the fabric and / or the amount of clothing in the roller (1) is acquired when the fabric processing appliance (10) is turned on. The amount of clothing information includes fabric weight information and / or fabric volume information.

13. The method according to claim 12, wherein, When the fabric processing appliance (10) is turned on, the input fabric material information and / or clothing quantity information is obtained, and / or the material information and / or clothing quantity information of the fabric in the roller (1) is obtained through analysis and processing of the image of the fabric in the roller (1).

14. The method according to any one of claims 1 to 11, wherein, The fabric processing device (10) has a preset small-item drying program. When the small-item drying program is started, the fabric processing device (10) performs a drying operation on the fabric according to the method; and / or Before step S1, the material information of the fabric and / or the amount of clothing in the roller (1) is obtained. When the obtained material information of the fabric meets the set conditions and / or the obtained amount of clothing is less than the set amount, the operation of step S1 is entered.

15. The method according to any one of claims 1 to 11, wherein, The fabric processing device (10) has a preset drying program, at least one of which includes a small item drying mode and other drying modes. The small item drying mode includes steps S1 and S2. The method includes: after the drying program is started, obtaining the material information and / or clothing quantity information of the fabric in the drum (1), and when the obtained fabric material information meets the set conditions and / or the obtained clothing quantity information is less than the set quantity, entering the small item drying mode; otherwise, entering other drying modes.

16. A fabric processing appliance (10), the fabric processing appliance (10) comprising: The rotational speed of the roller (1) is controllable; The fan (2) is controllable in its opening and closing; During the drying operation of the fabric processing appliance (10), the operation of the fan (2) causes the air in the fabric processing appliance (10) to circulate along the air circulation loop. and Control unit (3) is configured to perform the method according to any one of claims 1 to 15.

17. The fabric processing appliance (10) according to claim 16, wherein, The fabric processing device (10) further includes: A garment quantity acquisition unit (4) is configured to acquire garment quantity information of the fabric in the drum (1) during the drying operation of the fabric handling appliance (10); and / or Fabric humidity acquisition unit (5), configured to acquire the humidity of the fabric in the drum (1) during the drying operation of the fabric processor (10); and / or Fabric material acquisition unit (6) is configured to acquire material information of the fabric in the roller (1) when the fabric processing device (10) is turned on.

18. A computer program product, such as a computer-readable program carrier, comprising or storing computer program instructions that, when executed by a processor, at least auxiliaryly implement the steps of the method according to any one of claims 1 to 15.

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