Methods for adjusting airflow in garment processing equipment, electronic equipment, and garment processing equipment.

Abstract

This invention relates to the field of garment processing equipment technology, and in particular to a method for adjusting the airflow of garment processing equipment, electronic equipment, and garment processing equipment. The airflow adjustment method includes: determining the drying mode selected by the user; determining the set rotational speed of the drying fan corresponding to any garment processing drum and / or two garment processing drums when they are performing drying operations, based on the drying mode and the structural design and blockage status of the drying duct; obtaining the real-time power of the drying fan during operation, and calculating the real-time airflow of the drying fan based on the real-time power; when the real-time airflow is less than the designed airflow, compensating the current rotational speed of the drying fan based on a first compensation rule to obtain a compensated rotational speed of the drying fan; and controlling the operation of the drying fan according to the relationship between the compensated rotational speed and the set rotational speed value. In this invention, by continuously adjusting the rotational speed of the drying fan during the drying process, the airflow of the drying fan is stabilized at its maximum value, avoiding a decrease in drying efficiency in the later stages of drying.

Description

Technical Field

[0001] This invention relates to the field of clothing processing equipment technology, and in particular to a method for adjusting the air volume of clothing processing equipment, electronic equipment, and clothing processing equipment. Background Technology

[0002] With the continuous improvement of living standards, the washing machine industry is showing a diversified development trend, and people's demand for washing machines is gradually increasing. Twin-tub washer-dryer combos are also gradually entering people's daily lives to meet their growing needs for clothing care.

[0003] Currently, the variety of twin-dryer combos on the market is relatively limited. These combos typically have two separate drums for drying clothes. During the drying process, they generally do not support simultaneous drying of the upper and lower drums, resulting in reduced drying efficiency and failing to fully utilize the advantages of a washer-dryer combo.

[0004] On the other hand, due to the structural design of the drying duct or blockages within the drying duct, the drying efficiency of the garment processing drum is low in the later stages of drying, reducing the user experience. Summary of the Invention

[0005] In view of this, the present invention provides a drying control method and a clothing processing device to solve the problems of low drying efficiency and low user experience in the later stage of existing dual-dryer washer-dryer combos.

[0006] A first aspect of the present invention provides a method for adjusting the airflow of a garment processing device. The garment processing device includes two garment processing cylinders arranged vertically and a drying air duct. The drying air duct is connected to both garment processing cylinders. A drying fan is installed inside the drying air duct. The airflow adjustment method includes:

[0007] Determine the drying method selected by the user;

[0008] Based on the drying method and the structural design and sealing status of the drying duct, determine the set speed value of the drying fan when any one or both of the clothing processing drums are performing drying operations;

[0009] The instantaneous power of the drying fan during operation is obtained, and the real-time air volume of the drying fan is calculated based on the instantaneous power.

[0010] When the real-time air volume is less than the design air volume, the current speed of the drying fan is compensated based on the first compensation rule to obtain the compensated speed of the drying fan.

[0011] The operation of the drying fan is controlled according to the relationship between the compensated rotation speed and the set rotation speed value;

[0012] The drying method includes a single-drum drying mode and a multi-drum drying mode. In the single-drum drying mode, one of the clothes handling drums in the drying air duct is connected to form a drying circuit. In the multi-drum drying mode, the drying air duct is connected to both clothes handling drums to form corresponding drying circuits. The first compensation rule is to increase the rotation speed of the drying fan by uniform acceleration.

[0013] In some embodiments, determining the set rotational speed of the drying fan corresponding to any one or both garment processing drums during drying operations, based on the drying method and the structural design and sealing status of the drying duct, includes:

[0014] Based on the second compensation rule, the rotation speed of the drying fan is controlled to gradually increase at each set time interval, and the real-time power of the drying fan is obtained after each set time interval.

[0015] The set rotational speed of the drying fan is determined based on the relationship between the real-time power and the maximum power of the drying fan.

[0016] In some implementations, controlling the rotational speed of the drying fan to gradually increase at set time intervals based on the second compensation rule includes:

[0017] Obtain the real-time rotational speed of the drying fan;

[0018] The rotational speed of the drying fan is increased by increasing the real-time rotational speed by a first set rotational speed each time.

[0019] In some embodiments, the first set rotational speed is in the range of 55 rpm / min to 65 rpm / min.

[0020] In some embodiments, obtaining the real-time power of the drying fan includes:

[0021] Obtain the real-time current when the drying fan is rotating;

[0022] Based on the mapping relationship between real-time current and power, the real-time power of the drying fan is determined.

[0023] In some embodiments, the single-drum drying mode includes an upper-drum drying mode and a lower-drum drying mode, and the multi-drum drying mode includes a double-drum drying mode;

[0024] The step of determining the set rotational speed of the drying fan based on the relationship between the real-time power and the maximum power of the drying fan includes:

[0025] When the user selects the top-drum drying mode, the first real-time current during the increase of the drying fan speed is determined. When the first real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the first set speed value; or

[0026] When the user selects the lower drum drying mode as the drying method, the second real-time current during the increase of the drying fan speed is determined. When the second real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the second set speed value; or

[0027] When the user selects the dual-drum drying mode as the drying method, the third real-time current during the process of increasing the speed of the drying fan is determined. When the third real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the third set speed value.

[0028] Wherein, the first real-time current, the second real-time current and the third real-time current are used to map the real-time power of the drying fan, and the first set speed value, the second set speed value and the third set speed value are used to characterize the maximum power of the drying fan.

[0029] In some implementations, calculating the real-time airflow of the drying fan based on the instantaneous power includes:

[0030] The real-time air volume of the drying fan is calculated based on the following correspondence:

[0031] P = Q × p / (3600 × η0 × η1)

[0032] Wherein, P is the real-time power of the drying fan; Q is the real-time air volume (m³ / s) of the drying fan. 2 / h); p is the total pressure of the drying fan, which is equal to the sum of the static pressure and dynamic pressure of the drying fan; η0 is the internal efficiency of the drying fan; η1 is the mechanical efficiency.

[0033] In some embodiments, compensating the current rotational speed of the drying fan based on a first compensation rule to obtain a compensated rotational speed of the drying fan includes:

[0034] The speed of the drying fan is increased by adding a second set speed to the current speed each time, so as to obtain the compensated speed of the drying fan.

[0035] In some embodiments, the second set rotational speed is in the range of 50 rpm / min to 70 rpm / min.

[0036] In some embodiments, determining the final speed of the drying fan when the compensated speed approaches the set speed value, and controlling the operation of the drying fan with the final speed, includes:

[0037] When the compensated speed is close to the set speed value, the final speed of the drying fan is determined, and the operation of the drying fan is controlled by the final speed.

[0038] In some embodiments, controlling the operation of the drying fan based on the relationship between the compensated rotational speed and the set rotational speed value includes:

[0039] When the user selects the upper drum drying mode as the drying method and the final rotation speed is close to the first set rotation speed value, the final rotation speed at this time is defined as the first rotation speed, and the drying fan is controlled to operate at the first rotation speed; or

[0040] When the user selects the lower drum drying method and the final rotation speed is close to the second set rotation speed value, the final rotation speed at this time is defined as the second rotation speed, and the drying fan is controlled to operate at the second rotation speed; or

[0041] When the user selects the dual-drum drying mode and the final rotation speed is close to the third set rotation speed value, the final rotation speed at this time is defined as the third rotation speed, and the drying fan is controlled to run at the third rotation speed.

[0042] A second aspect of the present invention provides an electronic device, the electronic device comprising:

[0043] Memory is used to store one or more computer-executable instructions;

[0044] A processor for calling and executing computer-executable instructions in the memory to implement the method as described in any of the first aspects.

[0045] A third aspect of the present invention provides a garment processing apparatus that is controlled by the method described in the first aspect, or has electronic equipment as described in the second aspect.

[0046] Compared with the prior art, the main advantages of the present invention are as follows:

[0047] In the airflow adjustment method, electronic device, and clothing processing equipment of the present invention, the clothing processing equipment includes two clothing processing cylinders arranged vertically and horizontally and a drying air duct. The drying air duct is connected to the two clothing processing cylinders respectively, that is, the two clothing processing cylinders share a drying air duct. A drying fan is installed in the drying air duct. By rotating the drying fan, a suitable airflow is provided to the two clothing processing cylinders or any one of the clothing processing cylinders to meet the drying airflow requirements of the corresponding clothing processing cylinder's drying operation. In the airflow adjustment method of the garment processing equipment, the user-selected drying method is determined. Then, based on the user-selected drying method and the structural design of the drying duct, the set speed value of the corresponding drying fan is determined when any one or two garment processing drums are performing drying operations. Next, the real-time power of the drying fan during operation is obtained, and the real-time airflow of the drying fan is approximately calculated based on the real-time power. When the real-time airflow of the drying fan is less than the design airflow, the current speed of the drying fan is compensated based on the first compensation rule to obtain the compensated speed of the drying fan. Finally, the operation of the drying fan is controlled according to the relationship between the compensated speed and the set speed value. That is, when any one of the garment processing drums is drying or both garment processing drums are drying simultaneously, the set speed of the drying fan in that state is first determined. Then, when there is airflow resistance in the drying duct in the above state, the speed of the drying fan in the corresponding state can be compensated by the first compensation rule. This allows the speed of the drying fan to be continuously adjusted during the drying process, so that the air volume in the drying fan is kept stable within the maximum value range for drying operations. This effectively avoids the problem of reduced drying efficiency in the later stages of drying, thereby ensuring and improving the drying efficiency of the clothes and the user experience. Attached Figure Description

[0048] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0049] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0050] Figure 1This is a flowchart of the steps of an airflow adjustment method for a garment processing device according to an embodiment of the present invention;

[0051] Figure 2 This is a diagram showing the relationship between the air volume of a drying fan and its static pressure and rotation speed in a method for adjusting the air volume of a clothing processing device according to an embodiment of the present invention.

[0052] Figure 3 This is a logic judgment flowchart of an airflow adjustment method for a clothing processing device according to an embodiment of the present invention;

[0053] Figure 4 This is a logic flowchart for determining the set speed value of a drying fan in an airflow adjustment method for a garment processing device according to an embodiment of the present invention. Detailed Implementation

[0054] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0055] The terminology used in the embodiments of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The singular forms “a,” “the,” and “the” used in the embodiments of this invention and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. “Multiple” generally includes at least two, but does not exclude the inclusion of at least one.

[0056] It should be understood that the term "and / or" used in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0057] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes said element.

[0058] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0059] An exemplary embodiment of the present invention provides a garment processing device. This garment processing device may include, but is not limited to, a washing machine, which may include, but is not limited to, a washer-dryer combo, or a washing and conditioning combo. For example, the washing machine may be a front-loading washing machine or a top-loading washing machine with drying or washing and conditioning functions; of course, the washing machine may also be other types of fully automatic washing machines.

[0060] In this example and the examples below, the garment handling equipment is illustrated using a twin-tub washer-dryer combo.

[0061] The garment processing equipment includes two garment processing drums arranged vertically and a drying duct. The garment processing drum located at the top is defined as the upper garment processing drum, and the garment processing drum located at the bottom is defined as the lower garment processing drum. It should be noted that both the upper and lower garment processing drums can perform washing and drying of garments.

[0062] The drying duct can be connected to the upper and lower garment processing drums respectively. In other words, the upper and lower garment processing drums share a drying duct, which reduces the design size of the garment processing equipment. The structural design of two garment processing drums sharing a drying duct can be realized in a smaller design space.

[0063] A drying fan, which is a variable frequency fan, is installed inside the drying duct. A drying module may also be installed inside the drying duct. The drying module is configured to dehumidify and heat the humid gas drawn from the garment processing drum to form a drying airflow, thereby achieving the drying treatment of bound water in the garments.

[0064] The drying module can be directly fixed inside the drying duct, or it can be fixed inside the drying duct using other fasteners such as screws. The drying module can be installed near the air outlet end of the drying duct.

[0065] It should be noted that the drying module may include, but is not limited to, components that can heat air, such as electric heating wires or PTC (Positive Temperature Coefficient) heaters.

[0066] Along the direction of the drying airflow, the drying fan is located upstream of the drying module. By rotating, the drying fan guides the hot, humid gas drawn from the garment processing drums into the drying module to form a drying airflow. It can also drive this airflow to any one or both garment processing drums, providing a suitable airflow to meet the drying volume requirements of each drum. Alternatively, it can provide suitable airflow during the air-drying process or during the later stages of cooling the garment processing drums to meet the air-drying needs or the cooling requirements of the drums.

[0067] The drying fan adopts the structure of existing technology, or the drying fan can directly use an induced draft fan, axial flow fan, etc.

[0068] like Figure 1 As shown, an exemplary embodiment of the present invention provides a method for adjusting the airflow of a garment processing device, the method comprising the following steps:

[0069] Step S100: Determine the drying method selected by the user.

[0070] Step S200: Based on the drying method and the structural design and blockage of the drying duct, determine the set speed value of the drying fan corresponding to any one or two clothing processing drums when they are performing drying operations.

[0071] Step S300: Obtain the real-time power of the drying fan during operation, and calculate the real-time air volume of the drying fan based on the real-time power.

[0072] Step S400: When the real-time air volume is less than the design air volume, the current speed of the drying fan is compensated based on the first compensation rule to obtain the compensated speed of the drying fan.

[0073] Step S500: Control the operation of the drying fan according to the relationship between the compensated speed and the set speed value.

[0074] In step S100, the drying methods include a single-drum drying mode and a multi-drum drying mode. In the single-drum drying mode, one of the clothing handling drums in the drying duct is connected to form a drying circuit. In the multi-drum drying mode, the drying duct is connected to both clothing handling drums to form corresponding drying circuits. When a user needs to dry clothing, they can select only the upper clothing handling drum, or only the lower clothing handling drum, or both the upper and lower clothing handling drums simultaneously.

[0075] In step S200, see Appendix Figure 4As shown, to ensure that the drying fan operates at near its maximum permissible speed during the subsequent drying process, thus providing a stable airflow to the clothes drying drum, the set speed of the drying fan is obtained before each drying cycle. This set speed characterizes the maximum speed or maximum airflow that the drying fan can achieve under that condition.

[0076] It should be noted that due to the internal spatial design of the garment processing equipment, the design structure of the drying duct connected to the upper garment processing drum is different from that of the drying duct connected to the lower garment processing drum. Furthermore, the upper and lower garment processing drums share a single drying duct and a single drying fan. The differences in the drying duct structure design will result in different airflow resistance within the drying duct. Therefore, the differences in the drying duct structure design and different types of drying methods will lead to different maximum speeds and maximum airflows that the drying fan can achieve under these conditions.

[0077] Furthermore, the maximum speed and airflow achievable by the dryer fan are also related to the blockage within the drying duct. For example, twin-tub washer-dryer combos generate a large amount of lint during the drying process, therefore, a filter assembly is designed within the drying duct to intercept the lint. The degree of blockage within the drying duct varies with each drying cycle.

[0078] Based on this, before each drying process, when the user selects a different drying method, and based on the structural design and blockage of the drying air duct, the set speed value of the drying fan corresponding to the drying operation of the garment processing drum selected by the user under that drying method is determined.

[0079] For example, when a user selects the upper garment drying drum for drying, the set speed of the drying fan is determined based on the drying method and the structural design and blockage status of the drying duct. In other words, the set speed of the drying fan will differ depending on the drying method selected by the user and the blockage status of the drying duct.

[0080] It should be noted that the blockage of the drying air duct can be determined using existing technical solutions, which will not be elaborated here.

[0081] In some implementations, the determination of the set rotational speed value of the drying fan for a certain drying method can be carried out using the following methods:

[0082] Users can choose the appropriate drying method, such as using the upper garment drum alone to dry clothes; or using the lower garment drum alone to dry clothes; or, if there are many clothes, using both the upper and lower garment drums simultaneously to dry clothes.

[0083] Then, based on the structural design and blockage status of the corresponding drying duct, and according to the second compensation rule, the rotational speed of the drying fan is gradually increased at set intervals. Specifically, the real-time rotational speed of the drying fan can be obtained based on a speed detection device, such as a speed sensor, installed within the garment processing equipment. The rotational speed of the drying fan is then increased by incrementing the set rotational speed each time. The set rotational speed can be between 50 rpm / min and 70 rpm / min.

[0084] As the drying fan speed gradually increases, the real-time power of the drying fan is acquired at set intervals. This is achieved by acquiring the real-time current during the drying fan's operation and determining the real-time power based on the mapping relationship between real-time current and power during actual use. The drying fan power is the product of the current and voltage during operation, where voltage refers to the overall input voltage of the clothing processing equipment.

[0085] Finally, based on the relationship between the real-time power of the drying fan and its maximum power, the set speed of the drying fan under this condition is determined.

[0086] In one example, the drying method includes a single-drum drying mode and a multi-drum drying mode, wherein the single-drum drying mode includes an upper drum drying mode and a lower drum drying mode, and the multi-drum drying mode includes a double-drum drying mode.

[0087] When the user selects the upper drum drying mode as the drying method, the first real-time current during the process of increasing the speed of the drying fan is determined. When the first real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the first set speed value.

[0088] When the user selects the lower drum drying mode as the drying method, the second real-time current during the process of increasing the speed of the drying fan is determined. When the second real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the second set speed value.

[0089] When the user selects the dual-drum drying mode, the third real-time current during the process of increasing the speed of the drying fan is determined. When the third real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the third set speed value.

[0090] The first real-time current, the second real-time current, and the third real-time current are used to map the real-time power of the drying fan, and the first set speed value, the second set speed value, and the third set speed value are used to characterize the maximum power of the drying fan.

[0091] It should be noted that the critical current value of the dryer fan is used to characterize the maximum current value that the dryer fan can operate at. Specifically, when the real-time current is any value between 95% and 99.5% of the critical current value, the real-time current of the dryer fan is considered to be close to the critical current value. In this example, any value between 95% and 99.5% can be a factory setting for the garment processing equipment, a value flexibly selected by the user, or a value automatically set by the control system of the garment processing equipment based on the blockage status of the garment processing drum and the drying air duct.

[0092] The control system for the garment processing equipment can be an existing control system, as long as it can control the various start-up functions of the twin-tub washer-dryer combo. The specific structure and control logic of the control system will not be elaborated here.

[0093] In other words, depending on the drying method selected by the user, as well as the different structural designs and blockages within the drying duct, different drying methods correspond to different set speed values. That is, each time the garment processing equipment dries the clothes, the drying fan has a different set speed value.

[0094] In step S300, the instantaneous power of the drying fan can be determined by multiplying the real-time current during the operation of the drying fan with the overall input voltage of the clothing processing equipment. Then, the real-time airflow of the drying fan is approximately calculated based on the instantaneous power.

[0095] When the filter components inside the drying duct become partially clogged, the resistance within the duct increases. The static pressure of the drying fan is positively correlated with the resistance. The airflow of the drying fan is approximately inversely proportional to the static pressure and approximately directly proportional to the dynamic pressure. Therefore, the instantaneous power of the drying fan is positively correlated with its airflow. Since the instantaneous power of the drying fan can be detected by the control system, the change in airflow of the drying fan can be approximately calculated using its instantaneous power during the drying process.

[0096] In some embodiments, the relationship between the instantaneous power of the drying fan and the implemented air volume is as follows:

[0097] P = Q × p / (3600 × η0 × η1)

[0098] Where P is the instantaneous power of the drying fan; Q is the real-time air volume of the drying fan (m³ / s). 2 / h); p is the total pressure of the drying fan, which is equal to the sum of the static pressure and dynamic pressure of the drying fan; η0 is the internal efficiency of the drying fan; η1 is the mechanical efficiency.

[0099] Static pressure refers to the pressure exerted by a fluid when it is at rest. The static pressure of a drying fan can be based on the attached... Figure 2 The relationship between static pressure and air volume of the drying fan under different drying fan speeds is shown in the diagram.

[0100] The dynamic pressure of a drying fan refers to the pressure difference generated when the drying fan is operating. When the drying fan is working, the rotation of its impeller generates airflow, which in turn creates a pressure difference. The magnitude of the dynamic pressure of the drying fan is related to the impeller speed and impeller diameter. It should be noted that the dynamic pressure of the drying fan can be determined based on existing technical solutions, which will not be elaborated upon here.

[0101] The internal efficiency η0 of a drying fan refers to the ratio of the effective power to the input power of the drying fan, and its value ranges from 0.75 to 0.85. The internal efficiency η0 of the drying fan is related to the size and design of the drying fan. The internal efficiency η0 of a larger drying fan is 0.85, while the internal efficiency η0 of a smaller drying fan is 0.75.

[0102] The mechanical efficiency η1 ranges from 0.85 to 1. Specifically, when the drying fan and the motor driving it are directly connected (e.g., a keyed connection), the mechanical efficiency η1 is 1. When the drying fan and the motor driving it are connected by a coupling, the mechanical efficiency η1 ranges from 0.95 to 0.98. When the drying fan and the motor driving it are connected by a V-belt, the mechanical efficiency η1 ranges from 0.9 to 0.95. And when the drying fan and the motor driving it are driven by a flat belt, the mechanical efficiency η1 is 0.85.

[0103] In step S400, when the control system of the dual-drum washer-dryer determines that the real-time air volume of the drying fan is less than the design air volume, it compensates the current speed of the drying fan according to the first compensation rule to obtain the compensated speed of the drying fan.

[0104] The first compensation rule is to increase the rotational speed of the drying fan by uniform acceleration. The design air volume is the maximum air volume that the drying fan is allowed to generate under the current conditions.

[0105] In some embodiments, the first compensation rule may be to increase the speed of the drying fan by increasing the current speed by a predetermined speed each time, thereby obtaining the compensated speed of the drying fan.

[0106] The predetermined speed can be in the range of 45 rpm / min to 75 rpm / min.

[0107] In step S500, as the speed of the drying fan increases, the compensated speed of the drying fan obtained each time is compared with the set speed value. When the compensated speed obtained at any time is close to the set speed value, the compensated speed of the drying fan at this time is determined as the final speed of the drying fan. Then, the drying fan is controlled to run at the final speed.

[0108] It should be noted that when the compensation speed is any value between 95% and 100% of the set speed value, it indicates that the compensation speed is close to the set speed value.

[0109] In this embodiment, when any one of the garment processing drums is performing a drying operation or when two garment processing drums are performing a drying operation simultaneously, the set speed value of the drying fan in that state is first determined. Then, when there is airflow resistance in the drying duct in the above state, the speed of the drying fan in the corresponding state can be compensated by the first compensation rule. This allows the speed of the drying fan to be continuously adjusted during the drying process, so that the air volume in the drying fan is kept stable within the maximum value range for drying operations. This effectively avoids the problem of reduced drying efficiency in the later stages of drying, thereby ensuring and improving the drying efficiency of the clothes and the user's experience.

[0110] like Figure 4 As shown, in some embodiments, the set speed value of the drying fan can be determined using the following methods:

[0111] Users can choose the appropriate drying method, such as using the upper garment drum alone to dry clothes; or using the lower garment drum alone to dry clothes; or, if there are many clothes, using both the upper and lower garment drums simultaneously to dry clothes.

[0112] Then, based on the structural design and blockage status of the corresponding drying duct, and according to the second compensation rule, the rotational speed of the drying fan is gradually increased at set intervals. Specifically, the real-time rotational speed of the drying fan can be obtained based on a rotational speed detection device, such as a rotational speed sensor, installed within the garment processing equipment. The rotational speed of the drying fan is then increased by adding a first set rotational speed to the real-time rotational speed each time. The first set rotational speed can be between 55 rpm / min and 65 rpm / min.

[0113] In a preferred example, the first set speed can be 60 rpm / min.

[0114] As the drying fan speed gradually increases, the real-time power of the drying fan is acquired at set time intervals. The range of the set time intervals can be flexibly set according to the blockage situation in the drying duct, and is not specifically limited here. The real-time power of the drying fan can be determined by acquiring the real-time current during operation and based on the mapping relationship between real-time current and power. The power of the drying fan is the product of the current and voltage during operation, where the voltage is the overall input voltage value of the clothing processing equipment during operation.

[0115] Finally, based on the relationship between the real-time power of the drying fan and its maximum power, the set speed of the drying fan under this condition is determined.

[0116] In one instance, the drying methods include at least the upper drum drying mode, the lower drum drying mode, and the dual drum drying mode.

[0117] When the user selects the upper drum drying mode as the drying method, the first real-time current during the process of increasing the speed of the drying fan is determined. When the first real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the first set speed value.

[0118] When the user selects the lower drum drying mode as the drying method, the second real-time current during the process of increasing the speed of the drying fan is determined. When the second real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the second set speed value.

[0119] When the user selects the dual-drum drying mode, the third real-time current during the process of increasing the speed of the drying fan is determined. When the third real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the third set speed value.

[0120] The first real-time current, the second real-time current, and the third real-time current are used to map the real-time power of the drying fan, and the first set speed value, the second set speed value, and the third set speed value are used to characterize the maximum power of the drying fan.

[0121] It should be noted that the critical current value of the dryer fan is used to characterize the maximum current value that the dryer fan is subjected to during operation. Specifically, when the real-time current is any value between 95% and 100% of the critical current value, the real-time current of the dryer fan is considered to be close to the critical current value. In this example, any value between 95% and 100% can be a factory setting for the garment processing equipment, a value flexibly selected by the user, or a value automatically set by the control system of the garment processing equipment based on the blockage status of the garment processing drum and the drying air duct.

[0122] In other words, depending on the drying method selected by the user, as well as the different structural designs and blockages within the drying duct, different drying methods correspond to different set speed values. That is, each time the garment processing equipment dries the clothes, the drying fan has a different set speed value.

[0123] like Figure 3 As shown, in some embodiments, the process of compensating the current speed of the drying fan based on a first compensation rule to obtain a compensated speed of the drying fan, and controlling the operation of the drying fan according to the relationship between the compensated speed and a set speed value, may include:

[0124] The speed of the drying fan is increased by adding a second set speed to the current speed each time, so as to obtain the compensated speed of the drying fan. The value of the second set speed is in the range of 50 rpm / min to 70 rpm / min.

[0125] As the speed of the drying fan increases, the compensated speed of the drying fan obtained each time is compared with the set speed value. When the compensated speed obtained at any time is close to the set speed value, the compensated speed of the drying fan at this time is determined as the final speed of the drying fan. Then, the operation of the drying fan is controlled by the final speed.

[0126] It should be noted that when the compensation speed is any value between 95% and 100% of the set speed value, it indicates that the compensation speed is close to the set speed value.

[0127] In a preferred example, the second set speed can be 60 rpm / min, which means increasing the current speed of the drying fan by 60 rpm / min to obtain the first compensated speed.

[0128] If the initial compensation speed is still lower than the set speed value, increase the speed by 6060 rpm / min to obtain the second compensation speed. Then compare the second compensation speed with the set speed value.

[0129] After N (N≥1) speed compensations, the Nth compensation speed is determined as the final speed when it approaches the set speed value, and the drying fan is controlled by this final speed.

[0130] Specifically, when the user selects the upper drum drying mode and the final speed is close to the first set speed value, the final speed at this time is defined as the first speed, and the drying fan is controlled to run at the first speed.

[0131] When the user selects the lower drum drying method and the final speed is close to the second set speed value, the final speed at this time is defined as the second speed, and the drying fan is controlled by the second speed.

[0132] When the user selects the dual-drum drying mode and the final speed is close to the third set speed value, the final speed at this time is defined as the third speed, and the drying fan is controlled to run at the third speed.

[0133] In the above example, the instantaneous power of the drying fan is detected during the speed-up process of the drying fan for different drying modes. The real-time air volume of the drying fan is approximately calculated based on the instantaneous power. When the real-time air volume is less than the designed air volume, the current speed of the drying fan is increased by 60 revolutions. Then, the instantaneous power of the drying fan is detected again and the air volume of the drying fan is calculated until the air volume meets the requirements. This ensures that the air volume of the drying fan operates within the range that is close to or equal to the maximum air volume value, avoiding the reduction of drying efficiency in the later stages of drying. This ensures and improves the drying efficiency of clothes and the user experience.

[0134] An exemplary embodiment of the present invention also provides an electronic device, which includes a processor (not shown in the figure) and a memory (not shown in the figure) connected to the processor. The memory is used to store one or more computer-executable instructions. These computer-executable instructions can be invoked by the processor to execute the airflow adjustment method of the clothing handling device in the above embodiment.

[0135] An exemplary embodiment of the present invention also provides a garment processing device, which is controlled by the airflow adjustment method of the garment processing device of any of the above embodiments, or has the electronic device of the above embodiments.

[0136] This example of a garment processing device includes two garment processing drums arranged vertically and a drying duct. The drying duct is connected to both garment processing drums, meaning the two drums share a single drying duct. A drying fan is installed within the drying duct, and its rotation provides a suitable airflow to either or both garment processing drums to meet their drying requirements. In the airflow adjustment method of the garment processing device, the user-selected drying method is determined. Then, based on the selected drying method and the structural design of the drying duct, the set rotational speed of the corresponding drying fan is determined when either or both garment processing drums are performing drying operations. Next, the instantaneous power of the drying fan during operation is obtained, and the real-time airflow of the drying fan is approximately calculated based on this instantaneous power. When the real-time airflow of the drying fan is less than the designed airflow, the current rotational speed of the drying fan is compensated according to a first compensation rule to obtain a compensated rotational speed. Finally, the operation of the drying fan is controlled according to the relationship between the compensated rotational speed and the set rotational speed. That is, when any one of the garment processing drums is drying or both garment processing drums are drying simultaneously, the set speed of the drying fan in that state is first determined. Then, when there is airflow resistance in the drying duct in the above state, the speed of the drying fan in the corresponding state can be compensated by the first compensation rule. This allows the speed of the drying fan to be continuously adjusted during the drying process, so that the air volume in the drying fan is kept stable within the maximum value range for drying operations. This effectively avoids the problem of reduced drying efficiency in the later stages of drying, thereby ensuring and improving the drying efficiency of the clothes and the user experience.

[0137] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the invention are indicated by the following claims.

[0138] It should be understood that the present invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.

Claims

1. A method for adjusting the airflow of a garment processing device, characterized in that, The garment processing equipment includes two garment processing cylinders arranged vertically and a drying air duct. The drying air duct is connected to both garment processing cylinders. A drying fan is installed inside the drying air duct. The air volume adjustment method includes: Determine the drying method selected by the user; Based on the drying method and the structural design and sealing status of the drying duct, determine the set speed value of the drying fan when any one or both of the clothing processing drums are performing drying operations; The instantaneous power of the drying fan during operation is obtained, and the real-time air volume of the drying fan is calculated based on the instantaneous power. When the real-time air volume is less than the design air volume, the current speed of the drying fan is compensated based on the first compensation rule to obtain the compensated speed of the drying fan. The operation of the drying fan is controlled according to the relationship between the compensated rotation speed and the set rotation speed value; The drying method includes a single-drum drying mode and a multi-drum drying mode. In the single-drum drying mode, the drying air duct is connected to one of the clothing processing drums to form a drying circuit. In the multi-drum drying mode, the drying air duct is connected to both of the clothing processing drums to form corresponding drying circuits. The first compensation rule is to increase the rotational speed of the drying fan by uniform acceleration.

2. The airflow adjustment method for the garment processing equipment according to claim 1, characterized in that, The determination of the set rotational speed value of the drying fan corresponding to any one or both of the garment processing drums when they are performing drying operations, based on the drying method and the structural design and sealing status of the drying duct, includes: Based on the second compensation rule, the rotation speed of the drying fan is controlled to gradually increase at each set time interval, and the real-time power of the drying fan is obtained after each set time interval. The set rotational speed of the drying fan is determined based on the relationship between the real-time power and the maximum power of the drying fan.

3. The airflow adjustment method for the garment processing equipment according to claim 2, characterized in that, The step of gradually increasing the rotational speed of the drying fan at set time intervals based on the second compensation rule includes: Obtain the real-time rotational speed of the drying fan; The rotational speed of the drying fan is increased by increasing the real-time rotational speed by a first set rotational speed each time.

4. The airflow adjustment method for the garment processing equipment according to claim 3, characterized in that, The first set speed range is 55 rpm to 65 rpm.

5. The airflow adjustment method for the garment processing equipment according to claim 3, characterized in that, The step of obtaining the real-time power of the drying fan includes: Obtain the real-time current when the drying fan is rotating; Based on the mapping relationship between real-time current and power, the real-time power of the drying fan is determined.

6. The airflow adjustment method for the garment processing equipment according to claim 5, characterized in that, The single-drum drying mode includes an upper-drum drying mode and a lower-drum drying mode, and the multi-drum drying mode includes a double-drum drying mode; The step of determining the set rotational speed of the drying fan based on the relationship between the real-time power and the maximum power of the drying fan includes: When the user selects the top-drum drying mode, the first real-time current during the increase of the drying fan speed is determined. When the first real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the first set speed value; or When the user selects the lower drum drying mode as the drying method, the second real-time current during the increase of the drying fan speed is determined. When the second real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the second set speed value; or When the user selects the dual-drum drying mode as the drying method, the third real-time current during the process of increasing the speed of the drying fan is determined. When the third real-time current approaches the critical current value of the drying fan, the set speed value of the drying fan at this time is determined as the third set speed value. Wherein, the first real-time current, the second real-time current and the third real-time current are used to map the real-time power of the drying fan, and the first set speed value, the second set speed value and the third set speed value are used to characterize the maximum power of the drying fan.

7. The airflow adjustment method for the garment processing equipment according to claim 6, characterized in that, The calculation of the real-time air volume of the drying fan based on the instantaneous power includes: The real-time air volume of the drying fan is calculated based on the following correspondence: P = Q × p / (3600 × η0 × η1) Where P is the real-time power of the drying fan; Q is the real-time air volume (m³) of the drying fan. 2 / h; p is the total pressure of the drying fan, which is equal to the sum of the static pressure and dynamic pressure of the drying fan; η0 is the internal efficiency of the drying fan; η1 is the mechanical efficiency.

8. The airflow adjustment method for the garment processing equipment according to claim 7, characterized in that, The step of compensating the current speed of the drying fan based on the first compensation rule to obtain the compensated speed of the drying fan includes: The speed of the drying fan is increased by adding a second set speed to the current speed each time, so as to obtain the compensated speed of the drying fan.

9. The airflow adjustment method for the garment processing equipment according to claim 8, characterized in that, The second set speed range is 50 rpm to 70 rpm.

10. The airflow adjustment method for the garment processing equipment according to claim 8, characterized in that, The step of controlling the operation of the drying fan based on the relationship between the compensated rotational speed and the set rotational speed value includes: When the compensated speed is close to the set speed value, the final speed of the drying fan is determined, and the operation of the drying fan is controlled by the final speed.

11. The airflow adjustment method for the garment processing equipment according to claim 10, characterized in that, When the compensated speed approaches the set speed value, determining the final speed of the drying fan and controlling the operation of the drying fan with the final speed includes: When the user selects the upper drum drying mode as the drying method and the final rotation speed is close to the first set rotation speed value, the final rotation speed at this time is defined as the first rotation speed, and the drying fan is controlled to operate at the first rotation speed; or When the user selects the lower drum drying mode as the drying method and the final rotation speed is close to the second set rotation speed value, the final rotation speed at this time is defined as the second rotation speed, and the drying fan is controlled to operate at the second rotation speed; or When the user selects the dual-drum drying mode and the final rotation speed is close to the third set rotation speed value, the final rotation speed at this time is defined as the third rotation speed, and the drying fan is controlled to run at the third rotation speed.

12. An electronic device, characterized in that, The electronic device includes: Memory is used to store one or more computer-executable instructions; A processor for calling and executing computer-executable instructions in the memory to implement the method as described in any one of claims 1 to 11.

13. A garment processing device, characterized in that, Controlled by any one of claims 1 to 11, or having an electronic device as described in claim 12.

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