Control method of fabric treatment equipment, fabric treatment equipment and electronic equipment

By controlling the alternate operation of fabric processing barrels in the double-tube washing machine, the problems of large current, resonance noise and long dehydration time are solved, and current optimization and user experience are improved.

CN120520045AActive Publication Date: 2025-08-22GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202511029332.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-25
Publication Date
2025-08-22
Estimated Expiration
2045-07-25

AI Technical Summary

Technical Problem

The existing double-tube washing machines have problems with large current, high cost, extended dehydration time and motor resonance noise during the simultaneous dehydration process, and lack effective current peak control and power utilization efficiency solutions.

Method used

By controlling the first fabric treatment cylinder and the second fabric treatment cylinder to alternately carry out the speed-up operation stage and the stable operation stage, the priority levels are different, and the operation of the two motors is coordinated by using an intermediate control unit to reduce resonance and noise, reduce current peaks, and optimize electrical energy utilization.

Benefits of technology

It effectively reduces the motor working current, reduces the current of common mode inductor and PFC inductor, shortens the dehydration time, and improves the user experience and the stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of fabric treatment equipment, in particular to a control method of fabric treatment equipment, the fabric treatment equipment and electronic equipment. The control method comprises the following steps: a plurality of speed-increasing operation stages and a plurality of stable operation stages are set in the dehydration program of each of the first fabric treatment drum and the second fabric treatment drum; when the first fabric processing drum and the second fabric processing drum execute the dewatering procedure at the same time, the first fabric processing drum and the second fabric processing drum are controlled to alternately perform a speed increasing operation stage and a stable operation stage; the control priority of the first fabric processing drum for executing the dewatering instruction is higher than that of the second fabric processing drum for executing the dewatering instruction. The two fabric processing cylinders are controlled to alternately operate in the stable operation stage and the acceleration operation stage, so that resonance and noise generated by joint work of the two motors can be effectively reduced, the whole dehydration time is effectively shortened, and the use experience feeling of a user is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of fabric processing equipment, and in particular to a control method for fabric processing equipment, a fabric processing equipment, and an electronic device. Background Art

[0002] With the improvement of people's living standards, washing machines have become one of the essential household appliances. In order to meet users' demand for washing efficiency, twin-drum washing machines came into being. By setting two independent washing drums, they can process different types of clothes at the same time, greatly improving washing efficiency.

[0003] Currently, twin-drum washing machines on the market typically include two washing drums arranged one above the other or the other side to the other, each capable of independently performing washing, rinsing, and dehydration cycles. During the dehydration process, the speed of the washing drum must increase from a low speed to a high speed to achieve effective dehydration. Existing dehydration control methods for twin-drum washing machines primarily include the following: A common dehydration control method is to calculate a reference target speed based on the eccentricity and weight of the fabric, and control the rotation of the processing drum according to the reference target speed to improve the dehydration efficiency.

[0004] Another approach involves a control strategy for simultaneous dehydration in multi-drum washing machines. When at least two washing drums in a multi-drum washing machine are simultaneously dehydrating, the timing for at least one washing drum to enter the high-speed spin stage is delayed, preventing each drum from simultaneously maintaining high-speed dehydration. This reduces overall machine resonance and lowers the overall vibration amplitude during dehydration.

[0005] In addition, some technical solutions focus on spray control during the spin cycle. For example, they control the spray flow rate of the cleaning spray according to the spin cycle progress, adjusting the spray water flow rate according to the different speed stages to reduce detergent residue on clothes and reduce eccentric vibration of the washing machine.

[0006] In summary, the existing twin-drum washing machines still have the following problems during the simultaneous dehydration process: 1. When a twin-drum washing machine is working at the same time, especially when both washing drums enter the dehydration and speed-up operation stage at the same time, the current flowing through the controller components is relatively large, resulting in demanding controller circuit selection and high costs.

[0007] 2. When a twin-drum washing machine is dehydrating at the same time, due to the motor power limitation, the speed-up process of the two washing drums may affect each other, resulting in prolonged dehydration time and affecting the user experience.

[0008] 3. During the dehydration process, especially in the speed-up stage, the operating current is large when the two motors work at the same time, requiring larger common-mode inductors and PFC inductors, which increases product cost and volume.

[0009] 4. Although there are methods for controlling the dehydration of multi-drum washing machines in the prior art, most of them focus on reducing vibration and noise, and lack effective solutions for current peak control and energy efficiency. Summary of the Invention

[0010] In view of this, the present application provides a control method for a fabric processing device, a fabric processing device and an electronic device to solve the problem that the existing fabric processing device is prone to resonance when multiple drum structures work simultaneously, resulting in obvious noise and poor user experience.

[0011] A first aspect of an embodiment of the present application provides a control method for a fabric processing device, wherein the fabric processing device includes a first fabric processing drum and a second fabric processing drum arranged one above the other, wherein the first fabric processing drum is located on the upper side and the second fabric processing drum is located on the lower side. The control method includes: The dehydration procedures of the first fabric treatment drum and the second fabric treatment drum are both provided with multiple speed-increasing operation stages and multiple stable operation stages; During the period when the first fabric processing drum and the second fabric processing drum are simultaneously performing a dehydration process, controlling the first fabric processing drum and the second fabric processing drum to alternately perform a speed-increasing operation phase and a stable operation phase; The control priority of the first fabric processing drum in executing the dehydration instruction is higher than the control priority of the second fabric processing drum in executing the dehydration instruction.

[0012] In some embodiments, the first fabric processing drum and the second fabric processing drum are controlled to start up one after another when a dehydration instruction is executed.

[0013] In some embodiments, when one of the first fabric treatment drum and the second fabric treatment drum completes the dehydration process, the fabric treatment drum that has not completed the dehydration process directly performs a subsequent dehydration process.

[0014] In some embodiments, the control method further includes: In response to an instruction for the first fabric processing drum and the second fabric processing drum to simultaneously execute a dehydration program, performing an eccentricity detection on the fabric processing drum that preferentially executes the dehydration instruction to determine a maximum rotation speed; determining a target speed for each speed-up operation stage according to the maximum speed; The fabric processing drum that preferentially executes the dehydration instruction is controlled to increase speed step by step according to the target speed of each speed-up operation stage. After reaching the corresponding target speed in each speed-up operation stage, the fabric processing drum is controlled to maintain the target speed for stable operation to complete the stable operation stage.

[0015] In some embodiments, controlling the first fabric processing drum and the second fabric processing drum to alternately perform a speed-increasing operation phase and a stable operation phase includes: Obtaining speed information of the fabric processing drum in the speed-up operation stage; When it is determined that the fabric processing drum in the speed-up operation stage has reached the target speed of the speed-up operation stage, the fabric processing drum is controlled to maintain a stable operation at the target speed; Instruct another fabric processing drum to increase speed.

[0016] In some embodiments, obtaining the rotational speed information of the fabric processing drum in the speed-up operation stage includes: Acquiring operating state parameters of the drive motor of the fabric processing drum in the speed-increasing operation stage; It is determined according to the working state parameters whether the fabric processing drum in the speed-up operation stage has reached the target speed of the speed-up operation stage and is running stably.

[0017] In some embodiments, determining, based on the operating status parameter, whether the fabric processing drum in the speed-up operation stage has reached the target speed of the speed-up operation stage and is operating stably includes: When it is determined that the real-time power of the driving motor driving the speed-up fabric processing drum is within the set power range within the set time, it is determined whether the speed-up fabric processing drum has reached the target speed of the speed-up operation stage and is running stably.

[0018] In some embodiments, in the multiple speed-up operation stages, the rotational speed in the first speed-up operation stage is 30% to 60% of the rotational speed in the second speed-up operation stage; Alternatively, the rotational speed in the latter speed-increasing operation phase is an integer multiple of the rotational speed in the former speed-increasing operation phase.

[0019] In some embodiments, controlling the first fabric processing drum and the second fabric processing drum to alternately perform a speed-increasing operation phase and a stable operation phase includes: When one of them is in the stable operation stage, the other one is controlled to execute any one of the speed-increasing operation stages, and each of the speed-increasing operation stages includes one or more speed-increasing processes.

[0020] A second aspect of the embodiments of the present application provides a fabric processing device, the fabric processing device being controlled by the control method for a fabric processing device according to the first aspect, the fabric processing device comprising a first fabric processing drum, a second fabric processing drum, and a control module; The control module includes an intermediate control unit, a first control board corresponding to the first fabric processing drum, and a second control board corresponding to the second fabric processing drum; The first control panel and the second control panel are respectively used to obtain the corresponding operating parameters of the fabric processing drum; The intermediate control unit is used to receive operating parameters of the two control boards and provide corresponding control instructions to the two control boards based on the operating parameters to control the first fabric processing drum or the second fabric processing drum accordingly; The first fabric processing drum and the second fabric processing drum are both provided with a dehydration program, and the dehydration program is provided with multiple speed-increasing operation stages and multiple stable operation stages; The first and second fabric treating drums are configured such that when the first and second fabric treating drums simultaneously perform dehydration procedures, the first and second fabric treating drums are controlled to alternately perform a speed-up operation phase and a stable operation phase.

[0021] In some embodiments, the first fabric treating drum and the second fabric treating drum are arranged one above the other, wherein the first fabric treating drum is located on the upper side and the second fabric treating drum is located on the lower side.

[0022] A third aspect of an embodiment of the present application provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and runnable on the processor. When the processor executes the program, the control method of the fabric processing device as described in the first aspect is implemented.

[0023] Compared with the prior art, the beneficial effects of this application are mainly: In the control method, fabric processing device, and electronic device of the present application, the control method includes the following steps: providing a first fabric processing drum and a second fabric processing drum with a plurality of speed-up operation phases and a plurality of stable operation phases for the dehydration process; and controlling the first fabric processing drum and the second fabric processing drum to alternately perform the speed-up operation phase and the stable operation phase while the first fabric processing drum and the second fabric processing drum are simultaneously performing the dehydration process. The control priority of the first fabric processing drum in executing the dehydration command is higher than the control priority of the second fabric processing drum in executing the dehydration command. In the present application, by controlling the two fabric processing drums to alternately operate in the stable operation phase and the speed-up operation phase, the resonance and noise generated by the combined operation of the two motors can be effectively reduced, and the operating current of the two motors can be effectively reduced. The current flowing through the common-mode inductor and the PFC inductor is reduced compared to when the two fabric processing drums are simultaneously controlled to increase their speeds, thereby allowing the use of a smaller common-mode inductor and PFC inductor. Furthermore, the overall dehydration time can be effectively guaranteed and shortened, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] To more clearly illustrate the embodiments of this application or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative, and those skilled in the art can, without inventive effort, derive other implementation drawings based on the provided drawings.

[0025] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not intended to limit the conditions under which this application can be implemented, and therefore have no substantive technical significance. Any structural modifications, changes in proportions, or adjustments in sizes should still fall within the scope of the technical contents disclosed in this application without affecting the efficacy and objectives that can be achieved by this application.

[0026] Figure 1 is a structural schematic diagram of a fabric processing device according to an embodiment of the present application; Figure 2 is a flowchart of a method for controlling a fabric processing device according to an embodiment of the present application; Figure 3 1 is a schematic diagram of coupling between an intermediate control unit of a fabric processing device and a common-mode inductor and a PFC inductor according to an embodiment of the present application; Figure 4 This is a logic judgment flow chart of a washing stage in a control method for a fabric processing device according to an embodiment of the present application; Figure 5 It is a logic judgment flow chart of the dehydration stage in a control method of a fabric processing device according to an embodiment of the present application.

[0027] Reference numerals: 100. Fabric processing equipment; 110, upper drum; 111, first motor; 112, first control panel; 120, lower drum; 121, second motor; 122, second control board; 130. Intermediate control unit. DETAILED DESCRIPTION

[0028] The following specific embodiments illustrate the implementation of this application. Those familiar with the art can easily understand the other advantages and functions of this application from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of this application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0029] The terms used in the examples of this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms "a," "the," and "the" used in the examples of this application and the appended claims are also intended to include plural forms, and unless the context clearly indicates otherwise, "a plurality" generally includes at least two, but does not exclude the inclusion of at least one.

[0030] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0031] It should also be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprises a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0032] The embodiments of the present application are described in detail below, and 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 application, but should not be understood as limiting the present application.

[0033] like Figure 1 As shown in the figure, the fabric processing device 100 includes two fabric processing drums, namely a first fabric processing drum and a second fabric processing drum arranged upper and lower, the first fabric processing drum is located on the upper side (i.e. the upper drum 110), and the second fabric processing drum is located on the lower side (i.e. the lower drum 120). In this example and the following examples, the upper drum 110 is the first fabric processing drum and the lower drum 120 is the second fabric processing drum.

[0034] The upper drum 110 is driven and rotated by a first motor 111, while the lower drum 120 is driven and rotated by a second motor 121. The upper drum 110 and the lower drum 120 are controlled by a first control board 112 and a second control board 122, respectively. Both control boards (i.e., the first control board 112 and the second control board 122) are data-connected to an intermediate control unit 130. The intermediate control unit 130 serves as an information exchange station for the upper drum 110 and the lower drum 120, facilitating better logical control of the upper drum 110 and the lower drum 120, respectively, through the first control board 112 and the second control board 122.

[0035] During use, the first control board 112 is connected to the upper drum 110 to obtain its operating parameters. The second control board 122 is connected to the lower drum 120 to obtain its operating parameters. The intermediate control unit 130 receives the operating parameters of the upper drum 110 and the lower drum 120 and, based on these parameters, sends corresponding control instructions to the first control board 112 and the second control board 122, respectively, to provide better and more refined control over the upper drum 110 and the lower drum 120.

[0036] like Figures 1 to 5 As shown, an exemplary embodiment of the present application provides a control method for a fabric processing device. The control method for a fabric processing device can be applied to a fabric processing device. The fabric processing device includes a first fabric processing drum and a second fabric processing drum disposed vertically, each capable of dehydrating fabric.

[0037] The fabric processing device may include but is not limited to a washing machine, which may include but is not limited to a washing and care machine, a washing and drying machine, etc. For example, the washing machine may be a drum washing machine or a pulsator washing machine with drying or washing and care functions, etc. Of course, the washing machine may also be other types of fully automatic washing machines.

[0038] In this example and the following examples, the fabric processing device is described using a twin-drum washing machine as an example. The twin-drum washing machine (fabric processing device) includes two fabric processing drums arranged in an upper and lower arrangement, with a first fabric processing drum located on the upper side and a second fabric processing drum located on the lower side. The two fabric processing drums can operate independently or simultaneously. The two fabric processing drums are used to wash fabrics in a spin mode, with the first fabric processing drum located on the upper side being the upper drum and the second fabric processing drum located on the lower side being the lower drum.

[0039] Specifically, the control method of the fabric processing device includes the following steps: Step S100: The dehydration procedures of the first fabric treatment drum and the second fabric treatment drum are both provided with a plurality of speed-increasing operation phases and a plurality of stable operation phases.

[0040] Step S200: During the period when the first fabric processing drum and the second fabric processing drum are simultaneously executing the dehydration program, the first fabric processing drum and the second fabric processing drum are controlled to alternately perform the speed-up operation stage and the stable operation stage, wherein the control priority of the first fabric processing drum executing the dehydration instruction is greater than the control priority of the second fabric processing drum executing the dehydration instruction.

[0041] Specifically, when a dehydration command is executed, the first and second fabric processing drums are controlled to start sequentially. That is, the first fabric processing drum may be started first, followed by the second fabric processing drum. Alternatively, the second fabric processing drum may be started first, followed by the first fabric processing drum.

[0042] In one example, the two fabric treatment drums can be controlled to start sequentially based on their activation priorities. For example, when the activation priority of the first fabric treatment drum is higher than that of the second fabric treatment drum, the first fabric treatment drum is activated first. Then, when the first fabric treatment drum is in a stable operation phase, the second fabric treatment drum is controlled to enter a speed-up phase to increase its speed.

[0043] For another example, when the start-up priority of the second fabric processing drum is higher than that of the first fabric processing drum, the second fabric processing drum is started first, and then, when the second fabric processing drum is in the stable operation stage, the first fabric processing drum is controlled to enter the speed-up operation stage to increase the speed.

[0044] In one specific example, the first fabric treatment drum has a higher activation priority than the second fabric treatment drum. That is, when both fabric treatment drums need to be dehydrated simultaneously, the first fabric treatment drum is activated first, dehydrating the fabrics in the upper drum first. Once the upper drum reaches a stable operating stage, the lower drum is controlled to increase its speed.

[0045] In this example, by controlling the two fabric processing drums to operate alternately in the stable operation stage and the speed-up operation stage, the resonance and noise generated by the joint operation of the two motors can be effectively reduced, and the working current of the two motors can be effectively reduced. The current flowing through the common-mode inductor and PFC inductor becomes smaller than when the two fabric processing drums are controlled to speed up at the same time, and thus common-mode inductors and PFC inductors of smaller size or specifications can be used. On the other hand, it can also effectively guarantee and shorten the entire dehydration time, thereby improving the user experience.

[0046] like Figures 1 to 5 As shown, in some embodiments, when one of the first fabric treatment drum and the second fabric treatment drum completes the dehydration process, the fabric treatment drum that has not completed the dehydration process directly performs the subsequent dehydration process.

[0047] In this example, the two fabric processing drums alternately operate in the speed-up operation stage and the stable operation stage, so that both fabric processing drums can quickly complete the dehydration process of the fabrics in their respective drums. At the same time, it can also effectively reduce the resonance and noise generated by the joint operation of the two motors, and can also reduce the working current of the two motors, thereby improving the user experience.

[0048] like Figures 1 to 5As shown, in some embodiments, when two drums need to execute dehydration commands at the same time, the control method includes the following steps: Step 1: In response to instructions for the first and second fabric processing drums to simultaneously execute a spin cycle, the fabric processing drum prioritized for the spin cycle is tested for eccentricity and its maximum rotational speed is determined. In this step, the upper drum (the first fabric processing drum) is prioritized for the spin cycle.

[0049] The eccentricity detection method in the prior art may be used to detect the eccentricity of the fabric processing drum that preferentially executes the dehydration instruction, which will not be described in detail here.

[0050] Step 2: Determine the target speed for each speed-up phase based on the maximum speed. In these speed-up phases, the speed in the first speed-up phase should be 30% to 60% of the speed in the second speed-up phase; alternatively, the speed in the second speed-up phase should be an integer multiple of the speed in the first speed-up phase. For example, if the maximum speed for the upper drum is 1200 rpm, the speed increase can be planned in three phases: 400 rpm in the first phase, 800 rpm in the second phase, and 1200 rpm in the third phase, continuing until the end.

[0051] Step 3: Control the fabric processing drum that has priority in executing the dehydration instruction to increase the speed step by step according to the target speed of each speed-up operation stage. After reaching the corresponding target speed in each speed-up operation stage, control the fabric processing drum to maintain the target speed and operate stably to complete the stable operation stage.

[0052] like Figures 1 to 5 As shown, in some embodiments, the process of controlling the first fabric processing drum and the second fabric processing drum to alternately perform the speed-up operation phase and the stable operation phase specifically includes: First, speed information of the fabric processing drum during the speed-up phase is obtained. To obtain the speed information of the fabric processing drum during the speed-up phase, operating state parameters of the drive motor of the fabric processing drum during the speed-up phase can be obtained. Then, based on the operating state parameters, it is determined whether the fabric processing drum during the speed-up phase has reached a target speed for the speed-up phase and is operating stably.

[0053] Specifically, when it is determined that the real-time power of the driving motor driving the speed-up fabric processing drum is within the set power range within the set time, it is determined that the speed-up fabric processing drum has reached the target speed of the speed-up operation stage and is running stably.

[0054] Secondly, when it is determined that the fabric processing drum in the speed-up operation stage reaches the target speed of the speed-up operation stage, the fabric processing drum is controlled to maintain a stable operation at the target speed.

[0055] Then, another fabric processing drum is instructed to run at an increased speed.

[0056] In a specific example, the real-time power P1 of the first motor controlling the operation of the first fabric processing drum collected by the first control board is fed back to the intermediate control unit. The real-time power P1 received by the intermediate control unit for b consecutive seconds is a first value. The first value is a fixed value and the error range of the fixed value is m%, where m≤5. It is determined that the speed of the first fabric processing drum has reached the stable speed of the first stage, and the first fabric processing drum maintains the stable speed of the first stage; otherwise, the acceleration command continues to be executed.

[0057] When the real-time power P1 of the first fabric processing drum is a fixed value for b consecutive seconds, the intermediate control unit can send an acceleration command to the second control board, and the second fabric processing drum starts to execute the acceleration command. The real-time power P2 of the second fabric processing drum collected by the second control board is fed back to the intermediate control unit. When the real-time power P2 of the second fabric processing drum received by the intermediate control unit for a consecutive seconds is a second value, the second value is a fixed value and the error range of the fixed value is m%, where m≤5, the second fabric processing drum is kept in stable operation.

[0058] The process is performed alternately in this manner to execute the next stage speed increase command of the first fabric processing drum and the cycle continues until the two fabric processing drums have respectively completed the dehydration process.

[0059] It should be noted that the specific values ​​of a and b in this example can be flexibly set according to the specifications of the fabric processing drum, for example, a can be 5, b can be 3, etc. Alternatively, a and b can be equal, which is not specifically limited here.

[0060] In this example, by accelerating one fabric processing drum to increase its speed while the other fabric processing drum operates stably, the high current generated when the two motors are working simultaneously is effectively reduced, so that the current flowing through the common mode inductor and the PFC inductor becomes smaller, so that the fabric processing device in this example can use a smaller common mode inductor and PFC inductor, thereby effectively reducing the controller cost of the fabric processing device. Figure 3 The L in the code is the live wire identifier, and the N in the code is the neutral wire identifier. Figure 3 The diagram shows the coupling relationship between the intermediate control unit and the common-mode inductor, PFC inductor, and rectifier bridge. That is, the neutral line and the live line pass through the common-mode inductor, are rectified, pass through the PFC inductor, and finally, after passing through the intermediate control unit, are connected to the first control board and the second control board respectively.

[0061] like Figures 1 to 5As shown, in some embodiments, in the process of controlling the first fabric processing drum and the second fabric processing drum to alternately perform the speed-up operation stage and the stable operation stage, when one of the processing drums is in the stable operation stage, the other fabric processing drum is controlled to perform any of the speed-up operation stages, and each speed-up operation stage includes one or more speed-up processes.

[0062] Taking the dehydration command of the first drum (the first fabric processing drum) as an example, the specific execution process of the control method is as follows: First, the upper drum starts to execute the dehydration stage. The eccentricity of the upper drum is detected first, and then the maximum speed of the upper drum is determined according to the eccentricity, and then the speed is increased in stages.

[0063] The real-time power P1 of the upper drum collected by the first control board is fed back to the intermediate control unit. The intermediate control unit receives a fixed value of the real-time power P1 for several consecutive seconds (within a certain error range). The intermediate control unit determines that the speed of the upper drum has reached the stable speed of the first stage and maintains the speed of the upper drum; otherwise, the acceleration command continues to be executed.

[0064] Secondly, when the real-time power P1 of the upper drum remains at a fixed value for many consecutive seconds, the intermediate control unit can send an acceleration command to the second control board to the lower drum, and the lower drum starts to execute the acceleration command. During this period, the real-time power P2 of the lower drum collected by the second control board is fed back to the intermediate control unit. When the real-time power P2 of the lower drum received by the intermediate control unit for many consecutive seconds remains a fixed value (within a certain error range), the lower drum is kept running in a stable state.

[0065] Finally, the next stage of speed increase command for the upper drum is carried out and the cycle continues until the mutual end stage is reached.

[0066] In this example, by accelerating one fabric processing drum to increase its speed while the other fabric processing drum operates stably, the large current generated when the two motors work simultaneously is effectively reduced, so that the current flowing through the common-mode inductor and the PFC inductor becomes smaller, so that the fabric processing equipment in this example can use smaller-sized common-mode inductors and PFC inductors, thereby effectively reducing the controller cost of the fabric processing equipment.

[0067] like Figures 1 to 5 As shown, in some embodiments, this embodiment provides a control method for a fabric processing device, the fabric processing device including a first fabric processing drum and a second fabric processing drum. The control method includes the following steps: First, multiple speed-up phases and multiple steady-state phases are provided in the dehydration process for both the first and second fabric treatment drums. For example, the dehydration process can be divided into three speed-up phases, corresponding to speeds of 400 rpm, 800 rpm, and 1200 rpm, respectively. Each speed-up phase is followed by a steady-state phase.

[0068] When a spin command is received for one of the fabric processing drums to execute a spin cycle, the intermediate control unit determines the current operating status of the other fabric processing drum. This determination ensures that the spin cycles of the two processing drums proceed in a coordinated manner, avoiding the problem of excessive current caused by simultaneous speed increases of both motors.

[0069] If it is determined that another fabric processing drum is performing a dehydration procedure, the intermediate control unit will further determine whether the fabric processing drum is in a speed-up operation stage or a stable operation stage.

[0070] If the intermediate control unit determines that the fabric processing drum currently executing the spin cycle is currently in the speed-up phase, it instructs the fabric processing drum that receives the spin command later to wait. Specifically, the fabric processing drum must wait until the fabric processing drum currently executing the spin cycle enters the stable operation phase after the speed-up phase before starting again. This prevents both fabric processing drums from being in the speed-up phase simultaneously, reducing current peaks.

[0071] While the first and second fabric treatment drums are simultaneously executing the spin cycle, the intermediate control unit controls the two drums to alternate between speed-up and steady-state operation. For example, when the first fabric treatment drum (the upper drum) prioritizes the spin cycle and enters the first speed-up phase, the intermediate control unit monitors its power changes. When the real-time power P1 of the first fabric treatment drum remains at a fixed value (with a tolerance of, for example, b%) for a certain period (e.g., b seconds) continuously, the intermediate control unit determines that the first fabric treatment drum has reached the first stable speed, and the first fabric treatment drum maintains this speed.

[0072] After the first fabric treatment drum reaches a stable state, the intermediate control unit sends an acceleration command to the second fabric treatment drum (the lower drum) via the second control panel, causing it to begin executing the acceleration command. The intermediate control unit also monitors the power changes of the second fabric treatment drum. When its real-time power P2 remains at a fixed value (with a certain tolerance, such as b%) for a certain period of time (e.g., a seconds), the intermediate control unit determines that the second fabric treatment drum has reached a stable state.

[0073] The intermediate control unit then controls the first fabric processing drum to increase its speed to the next stage, for example, from 400 rpm to 800 rpm. Once the first fabric processing drum reaches a stable state again, the second fabric processing drum will begin its next stage of speed increase. This alternating speed increase cycle continues until both fabric processing drums have completed all speed increase stages and reached their respective maximum speeds, at which point they proceed to the subsequent dehydration process.

[0074] It should be noted that when one of the fabric processing drums completes the dehydration process and the other fabric processing drum has not yet accelerated to the maximum speed, the intermediate control unit directly controls the fabric processing drum that has not yet completed the dehydration process to directly accelerate to the maximum speed for dehydration, so as to effectively ensure and improve the dehydration efficiency of the fabric.

[0075] like Figure 1 As shown, an exemplary embodiment of the present application provides a fabric processing device. The fabric processing device includes a first fabric processing drum, a second fabric processing drum, and a control module. The first fabric processing drum and the second fabric processing drum are arranged vertically, with the first fabric processing drum located at the upper side and the second fabric processing drum located at the lower side.

[0076] The control module includes an intermediate control unit, a first control board corresponding to the first fabric processing drum, and a second control board corresponding to the second fabric processing drum.

[0077] The first control panel is used to obtain the corresponding operating parameters of the first fabric processing drum.

[0078] The second control panel is used to obtain the corresponding operating parameters of the second fabric processing drum.

[0079] The intermediate control unit is used to receive operating parameters of the two control boards and provide corresponding control instructions to the two control boards based on the operating parameters, so as to control the first fabric processing drum or the second fabric processing drum accordingly.

[0080] The first and second fabric treatment drums are each provided with a dehydration program, each of which includes multiple speed-increasing operation phases and multiple stable operation phases. The first and second fabric treatment drums are configured such that, while the first and second fabric treatment drums are simultaneously performing the dehydration program, the first and second fabric treatment drums are controlled to alternately perform the speed-increasing operation phases and the stable operation phases.

[0081] Specifically, when both the first and second fabric processing drums require spin operation, the intermediate control unit prioritizes the spin operation by sending an acceleration command to the first control board, enabling the upper-positioned fabric processing drum to execute the spin operation first. During the spin operation, the first control board first detects eccentricity, determines the maximum speed of the first fabric processing drum based on this eccentricity, and then increases the speed in stages.

[0082] When the first fabric treatment drum (the upper drum) prioritizes dehydration and enters the first stage of speed increase, the intermediate control unit monitors its power changes. When the first fabric treatment drum's real-time power (P1) remains at a fixed value (with a tolerance of b%) for a certain period (e.g., b seconds) continuously, the intermediate control unit determines that the first fabric treatment drum has reached the first stage's stable speed and maintains this speed.

[0083] After the first fabric treatment drum reaches a stable state, the intermediate control unit sends an acceleration command to the second fabric treatment drum (the lower drum) via the second control panel, causing it to begin executing the acceleration command. The intermediate control unit also monitors the power changes of the second fabric treatment drum. When its real-time power P2 remains at a fixed value (with a certain tolerance, such as b%) for a certain period of time (e.g., a seconds), the intermediate control unit determines that the second fabric treatment drum has reached a stable state.

[0084] The intermediate control unit then controls the first fabric processing drum to increase its speed to the next stage, for example, from 400 rpm to 800 rpm. Once the first fabric processing drum reaches a stable state again, the second fabric processing drum will begin its next stage of speed increase. This alternating speed increase cycle continues until both fabric processing drums have completed all speed increase stages and reached their respective maximum speeds, at which point they proceed to the subsequent dehydration process.

[0085] This control method of alternating between the speed-up operation stage and the stable operation stage effectively avoids the problem of excessive current that may be caused by the simultaneous speed-up of the two fabric processing drums, improves the stability and safety of the operation of the fabric processing equipment, and also optimizes the efficiency of electric energy use.

[0086] An exemplary embodiment of the present application provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the program, the control method of the fabric processing device of any of the above embodiments is implemented.

[0087] The serial numbers in the embodiments of this application are for description only and do not represent the advantages or disadvantages of the embodiments. In the above embodiments of the present application, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments. In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only exemplary. For example, the division of the units can be a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment. In addition, the functional units in the various embodiments of the present application may be integrated into a single processing unit, or each unit may exist physically separately, or two or more units may be integrated into a single unit. The aforementioned integrated units may be implemented in the form of hardware or software functional units. If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for enabling a computer device (which can be a personal computer, a server or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk. The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A control method for a fabric processing device, wherein the fabric processing device comprises a first fabric processing drum and a second fabric processing drum arranged one above the other, wherein the first fabric processing drum is located at the upper side and the second fabric processing drum is located at the lower side, wherein the control method comprises: The control method includes: The dehydration procedures of the first fabric treatment drum and the second fabric treatment drum are both provided with multiple speed-increasing operation stages and multiple stable operation stages; During the period when the first fabric processing drum and the second fabric processing drum are simultaneously performing a dehydration process, controlling the first fabric processing drum and the second fabric processing drum to alternately perform a speed-increasing operation phase and a stable operation phase; Wherein, the control priority of the first fabric processing drum in executing the dehydration instruction is greater than the control priority of the second fabric processing drum in executing the dehydration instruction.

2. The control method of the fabric processing equipment according to claim 1, characterized in that: The first fabric processing drum and the second fabric processing drum are controlled to start up in sequence when a dehydration instruction is executed.

3. The control method of the fabric processing equipment according to claim 1, characterized in that: When one of the first fabric treatment drum and the second fabric treatment drum completes the dehydration process, the fabric treatment drum that has not completed the dehydration process directly performs the subsequent dehydration process.

4. The control method of the fabric processing equipment according to claim 1, characterized in that: The control method further includes: In response to an instruction for the first fabric processing drum and the second fabric processing drum to simultaneously execute a dehydration program, performing an eccentricity detection on the fabric processing drum that preferentially executes the dehydration instruction to determine a maximum rotation speed; determining a target speed for each speed-up operation stage according to the maximum speed; The fabric processing drum that preferentially executes the dehydration instruction is controlled to increase speed step by step according to the target speed of each speed-up operation stage. After reaching the corresponding target speed in each speed-up operation stage, the fabric processing drum is controlled to maintain the target speed for stable operation to complete the stable operation stage.

5. The control method of the fabric processing equipment according to claim 1, characterized in that: The step of controlling the first fabric processing drum and the second fabric processing drum to alternately perform a speed-increasing operation phase and a stable operation phase comprises: Obtaining speed information of the fabric processing drum in the speed-up operation stage; When it is determined that the fabric processing drum in the speed-up operation stage has reached the target speed of the speed-up operation stage, the fabric processing drum is controlled to maintain a stable operation at the target speed; Instruct another fabric processing drum to increase speed.

6. The control method of the fabric processing equipment according to claim 5, characterized in that: The obtaining of the rotation speed information of the fabric processing drum in the speed-increasing operation stage includes: Acquiring operating state parameters of the drive motor of the fabric processing drum in the speed-increasing operation stage; It is determined according to the working state parameters whether the fabric processing drum in the speed-up operation stage has reached the target speed of the speed-up operation stage and is running stably.

7. The control method of the fabric processing equipment according to claim 6, characterized in that: The determining, based on the working state parameters, whether the fabric processing drum in the speed-up operation stage has reached the target speed of the speed-up operation stage and is operating stably includes: When it is determined that the real-time power of the driving motor driving the speed-up fabric processing drum is within the set power range within the set time, it is determined whether the speed-up fabric processing drum has reached the target speed of the speed-up operation stage and is running stably.

8. The control method of the fabric processing equipment according to claim 1, characterized in that: In the multiple speed-up operation stages, the rotation speed in the first speed-up operation stage is 30% to 60% of the rotation speed in the second speed-up operation stage; Alternatively, the rotational speed in the latter speed-increasing operation phase is an integer multiple of the rotational speed in the former speed-increasing operation phase.

9. The control method of a fabric processing device according to any one of claims 1 to 8, characterized in that: The step of controlling the first fabric processing drum and the second fabric processing drum to alternately perform a speed-increasing operation phase and a stable operation phase includes: When one of them is in the stable operation stage, the other one is controlled to execute any one of the speed-increasing operation stages, and each of the speed-increasing operation stages includes one or more speed-increasing processes.

10. A fabric processing device controlled by the fabric processing device control method according to any one of claims 1 to 9, characterized in that: The fabric processing device includes a first fabric processing drum, a second fabric processing drum and a control module; The control module includes an intermediate control unit, a first control board corresponding to the first fabric processing drum, and a second control board corresponding to the second fabric processing drum; The first control panel and the second control panel are respectively used to obtain the corresponding operating parameters of the fabric processing drum; The intermediate control unit is used to receive operating parameters of the two control boards and provide corresponding control instructions to the two control boards based on the operating parameters to control the first fabric processing drum or the second fabric processing drum accordingly; The first fabric processing drum and the second fabric processing drum are both provided with a dehydration program, and the dehydration program is provided with multiple speed-increasing operation stages and multiple stable operation stages; The first and second fabric treating drums are configured such that when the first and second fabric treating drums simultaneously perform dehydration procedures, the first and second fabric treating drums are controlled to alternately perform a speed-up operation phase and a stable operation phase.

11. The fabric processing device according to claim 10, characterized in that: The first fabric processing drum and the second fabric processing drum are arranged one above the other, wherein the first fabric processing drum is located on the upper side and the second fabric processing drum is located on the lower side.

12. An electronic device, characterized in that: The invention comprises a memory, a processor and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the control method for the fabric processing device according to any one of claims 1 to 9 is implemented.

Citation Information

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