Anti-collision drum control method for laundry equipment

Abstract

This invention belongs to the field of laundry equipment, specifically providing a method for controlling the anti-collision drum in a laundry equipment. This invention aims to solve the problems of existing laundry equipment, such as numerous rinsing cycles, long washing times, high water and electricity consumption, and short service life. To this end, the laundry equipment of this invention includes an outer drum, an inner drum, and a motor. The outer drum is fixedly installed in the housing of the laundry equipment, and the inner drum is rotatably installed inside the outer drum. A distance sensor is installed on the inner wall of the outer drum. The motor drives the inner drum to rotate. The anti-collision drum control method of the laundry equipment includes: during the spin-drying operation, obtaining the distance between the inner drum and the outer drum in real time through the distance sensor; and adjusting the motor speed according to the distance. The anti-collision drum control method of this invention can efficiently solve the problems of numerous rinsing cycles, long washing times, high water and electricity consumption, and short service life of existing laundry equipment in a low-cost manner.

Description

Technical Field

[0001] This invention belongs to the technical field of clothing washing equipment, and specifically provides a method for controlling the anti-collision drum of a clothing washing equipment. Background Technology

[0002] During the spin-drying process, most washing machines use a control lever. When the clothes inside the drum are too uneven, the inner drum hits the outer drum due to the concentrated clothes in one direction. This causes the outer drum to hit the control lever, and the washing machine will then automatically add water to rinse and adjust, and start rinsing the clothes again. This increases the number of rinses, water consumption, and electricity consumption, and also prolongs the washing time. Not only does this cause serious internal wear and tear on the washing machine itself, but it also wastes water and electricity resources.

[0003] Furthermore, if repeated rinsing with water fails to adjust the machine to the correct position, it will trigger a program error, thus affecting user satisfaction.

[0004] Accordingly, there is a need in the field for a new anti-collision drum control method for laundry equipment to solve the problems of existing laundry equipment having many rinsing cycles, long washing time, high water and electricity consumption, and short service life. Summary of the Invention

[0005] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problems of existing clothing washing equipment having many rinsing cycles, long washing time, high water and electricity consumption, and short service life.

[0006] To achieve the above objectives, the present invention provides a method for controlling the anti-collision drum of a laundry washing device. The laundry washing device includes an outer drum, an inner drum, and a motor. The outer drum is fixedly disposed within the housing of the laundry washing device, and the inner drum is rotatably disposed within the outer drum. A distance sensor is disposed on the inner wall of the outer drum, and the motor can drive the inner drum to rotate. The method for controlling the anti-collision drum of the laundry washing device includes the following steps:

[0007] When the laundry washing equipment performs the spin-drying operation, the distance sensor obtains the distance between the inner drum and the outer drum in real time.

[0008] The speed of the motor is adjusted according to the distance between the inner cylinder and the outer cylinder.

[0009] In the preferred embodiment of the anti-collision drum control method for the aforementioned laundry equipment, the step of "adjusting the motor speed according to the distance between the inner drum and the outer drum" specifically includes:

[0010] When the distance between the inner cylinder and the outer cylinder is less than a set threshold, the speed of the motor is reduced; and / or

[0011] When the distance between the inner cylinder and the outer cylinder is greater than or equal to a set threshold, the speed of the motor is increased to the maximum set speed threshold according to the set method.

[0012] In the preferred embodiment of the above-mentioned anti-collision drum control method for laundry equipment, the anti-collision drum control method for laundry equipment further includes: determining whether the speed of the motor is within the set speed range;

[0013] The step of "reducing the motor speed when the distance between the inner cylinder and the outer cylinder is less than a set threshold" specifically includes:

[0014] When the distance between the inner cylinder and the outer cylinder is less than the set threshold and the speed of the motor is within the set speed range, the speed of the motor is reduced.

[0015] In the preferred embodiment of the anti-collision drum control method for the aforementioned laundry equipment, the step of "reducing the speed of the motor" specifically includes:

[0016] Gradually or stepwise reduce the speed of the motor until the distance between the inner cylinder and the outer cylinder is greater than or equal to the set threshold.

[0017] In the preferred embodiment of the above-mentioned anti-collision drum control method for laundry equipment, the anti-collision drum control method for laundry equipment further includes:

[0018] After reducing the speed of the motor to make the distance between the inner cylinder and the outer cylinder greater than or equal to the set threshold, the motor is made to run at the current speed for a set time, and then the motor is made to speed up to the maximum set speed threshold according to the set method.

[0019] In a preferred embodiment of the above-mentioned anti-collision drum control method for laundry equipment, the anti-collision drum control method for laundry equipment further includes:

[0020] Record the number of times the motor speed was adjusted;

[0021] When the number of times reaches the set threshold, the washing equipment is controlled to perform a rinsing operation.

[0022] In the preferred embodiment of the anti-collision drum control method of the above-mentioned laundry washing equipment, a plurality of distance sensors are provided on the outer drum;

[0023] The step of "reducing the motor speed when the distance between the inner cylinder and the outer cylinder is less than a set threshold" specifically includes:

[0024] When the detection value of one of the multiple distance sensors is less than the set threshold, the speed of the motor is reduced.

[0025] In the preferred embodiment of the above-mentioned anti-collision drum control method for clothing washing equipment, the anti-collision drum control method for clothing washing equipment further includes: when the number of times the motor speed is adjusted is less than a set threshold number and the clothing washing equipment is controlled to complete the dehydration operation, recording all the operating parameters of this washing program for subsequent use.

[0026] The present invention also provides a clothing washing device, the clothing washing device including a processor, the processor being configured to execute the anti-collision cylinder control method of the clothing washing device described in any of the above technical solutions.

[0027] The present invention also provides a storage medium storing computer-executable instructions, which, when invoked by a processor, execute the anti-collision drum control method of the laundry washing equipment described in any of the above technical solutions.

[0028] Those skilled in the art will understand that, in the preferred embodiment of the present invention, the laundry washing device includes an outer drum, an inner drum, and a motor. The outer drum is fixedly disposed in the housing of the laundry washing device, the inner drum is rotatably disposed inside the outer drum, and a distance sensor is disposed on the inner wall of the outer drum (the number of distance sensors can be set by those skilled in the art according to actual usage requirements). The motor can drive the inner drum to rotate. When the washing machine is installed and performing a spin-drying operation, the distance sensor continuously monitors the distance between the inner and outer drums. When the distance is greater than or equal to a set threshold, the motor speed is increased to the maximum set threshold speed according to the set method to complete the spin-drying operation. When the distance is less than the set threshold, the machine first checks if the number of times the motor speed has been adjusted is less than the set threshold. If the number of times the motor speed has been adjusted is less than the set threshold, the motor speed is gradually or progressively reduced until the distance between the inner and outer drums is greater than or equal to the set threshold, and the number of times the motor speed has been adjusted is recorded. After the motor runs at the current speed for a set time, the motor speed is increased to the maximum set threshold speed according to the set method to complete the spin-drying operation. When the number of times the motor speed has been adjusted is greater than or equal to the set threshold speed, the washing machine is controlled to perform a rinsing operation, followed by a spin-drying operation, repeating the above spin-drying steps.

[0029] With the above solution, the laundry washing equipment of the present invention can obtain the distance between the inner drum and the outer drum in real time through a distance sensor, and adjust the motor speed according to the distance between the inner drum and the outer drum. This prevents the inner drum from hitting the outer drum due to the laundry being too skewed, which would affect the service life of the laundry washing equipment. At the same time, by recording the number of times the motor speed is adjusted and comparing it with a set threshold number, the system can adjust the laundry speed to the extent possible to reduce the number of rinses, effectively reduce the number of times the laundry is washed, further reduce the washing time, and save water and electricity resources. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of the laundry washing device of the present invention;

[0031] Figure 2 This is a flowchart of the main steps of the anti-collision drum control method for the clothing washing equipment of the present invention;

[0032] Figure 3 This is a detailed flowchart of one embodiment of the anti-collision drum control method for the laundry equipment of the present invention;

[0033] List of reference numerals in the attached diagram:

[0034] 1-Housing shell, 2-Outer cylinder, 3-Inner cylinder, 4-Motor, 5-Distance sensor. Detailed Implementation

[0035] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the invention and are not intended to limit the scope of protection of the invention. Those skilled in the art can make adjustments as needed to adapt to specific applications. For example, although the distance between the inner and outer drums of the laundry washing device in this invention is obtained using a distance sensor, it is obvious that other sensors can be used for this purpose, as long as the sensor can obtain the distance between the inner and outer drums; such changes do not deviate from the principles and scope of the present invention.

[0036] It should be noted that in the description of this invention, terms such as "center," "left," "right," "front," "rear," "inner," and "outer," indicating directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this invention. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0037] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "fixed" and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0038] As described in the background section, most washing machines use a control lever to control the drying process. When the clothes inside the washing machine tub are too uneven, the outer tub of the washing machine will hit the control lever because the clothes are concentrated in one direction. The washing machine will then automatically add water to rinse and adjust, and repeat the rinsing process. This increases the number of rinsing cycles, water consumption, and electricity consumption, and also prolongs the washing time. This not only causes serious internal wear and tear on the washing machine itself, but also wastes water and electricity resources.

[0039] To address the aforementioned problems, this invention provides a method for controlling the anti-collision drum in a laundry washing machine to solve the issues of excessive rinsing cycles, long washing times, high water and electricity consumption, and short service life in existing laundry washing machines.

[0040] The following reference Figure 1 The structure of the laundry washing device of the present invention will be described.

[0041] like Figure 1 As shown, the laundry washing device of the present invention includes an outer drum 2, an inner drum 3 and a motor 4. The outer drum 2 is fixedly installed in the housing 1 of the laundry washing device, and the inner drum 3 is rotatably installed inside the outer drum 2. A distance sensor 5 is installed on the inner wall of the outer drum 2, and the motor 4 can drive the inner drum 3 to rotate.

[0042] The anti-collision cylinder control method of the clothing washing equipment of the present invention will be described in conjunction with the structure of the clothing washing equipment described above. However, those skilled in the art will understand that the structure of the clothing washing equipment described above is not fixed and can be adjusted by those skilled in the art, for example, by adding other components to the structure of the clothing washing equipment described above. In addition, the description of some well-known components has been omitted in this application. However, this omission is only for the purpose of better describing the core technical solution and does not mean that the present invention necessarily does not include these components. Whether a certain component is included needs to be flexibly determined by those skilled in the art based on the specific application.

[0043] The following is combined with Figure 1 and 2 The anti-collision cylinder control method of the clothing washing equipment of the present invention is described.

[0044] like Figure 1 and2 As shown, the anti-collision drum control method of the laundry equipment of the present invention includes the following steps:

[0045] S101, when the laundry washing equipment is performing the spin-drying operation, the distance sensor 5 obtains the distance between the inner drum 3 and the outer drum 2 in real time.

[0046] S102, adjust the speed of motor 4 according to the distance between inner cylinder 3 and outer cylinder 2.

[0047] In step S101, the distance between the inner drum 3 and the outer drum 2 is obtained in real time by the distance sensor 5 when the laundry washing equipment performs the spin-drying operation. Figure 1 The positions and number of distance sensors 5 shown are merely for better illustrating the core technical solution and do not necessarily imply that the invention is as described. Figure 1 The location and number of distance sensors 5 need to be determined flexibly by those skilled in the art based on the specific application.

[0048] Accordingly, the anti-collision drum control method of the laundry washing equipment of the present invention, when the laundry washing equipment performs the spin-drying operation, obtains the distance between the inner drum 3 and the outer drum 2 in real time according to the distance sensor 5 set on the inner wall of the outer drum 2, and then adjusts the speed of the motor 4 according to the distance between the inner drum 3 and the outer drum 2 to solve the problem of the inner drum 3 colliding with the outer drum 2 due to the laundry being too skewed in the inner drum 3. Specifically, when the laundry washing equipment performs the spin-drying operation, the water in the inner drum 3 is discharged, and the motor 4 starts to accelerate. The water in the inner drum 3 gradually decreases. When the motor 4 accelerates to drive the inner drum 3 to rotate, the laundry in the inner drum 3 may be skewed in a certain direction, causing the eccentricity of the inner drum 3 to change, colliding with the outer drum 2, and reducing the service life of the laundry washing equipment. Therefore, by setting the distance sensor 5 on the inner wall of the outer drum 2 to detect the distance between the inner drum 3 and the outer drum 2 in real time, and adjusting the speed of the motor 4 by adjusting the distance to adjust the eccentricity of the laundry in the inner drum 3, the number of times the inner drum 3 collides with the outer drum 2 can be reduced, and the service life of the laundry washing equipment can be improved.

[0049] The following is further reference Figure 3 This invention describes a specific embodiment of the present invention, specifically the implementation method of the step of "adjusting the speed of motor 4 according to the distance between inner drum 3 and outer drum 2" in the above-mentioned anti-collision drum control method of laundry equipment.

[0050] like Figure 3 As shown, the steps for "adjusting the speed of motor 4 according to the distance between inner cylinder 3 and outer cylinder 2" specifically include:

[0051] S201 controls the laundry equipment to perform the spin-drying operation.

[0052] S202, the distance between the inner cylinder 3 and the outer cylinder 2 is obtained in real time through the distance sensor 5.

[0053] S203, determine whether the distance between the inner cylinder 3 and the outer cylinder 2 is less than a set threshold. If the distance between the inner cylinder 3 and the outer cylinder 2 is less than the set threshold, execute step S204; if the distance between the inner cylinder 3 and the outer cylinder 2 is greater than or equal to the set threshold, execute step S208.

[0054] S204, determine whether the number of times the speed of motor 4 has been adjusted (i.e. reduced) is less than a set threshold number. If the number of times the speed of motor 4 has been adjusted is less than the set threshold number, proceed to step S206; if the number of times the speed of motor 4 has been adjusted is greater than or equal to the set threshold number, proceed to step S205.

[0055] S205, control the laundry equipment to perform a rinsing operation, and then proceed to step S201.

[0056] S206, gradually / stepwise reduce the speed of motor 4 until the distance between inner cylinder 3 and outer cylinder 2 is greater than or equal to the set threshold, and record the number of times the speed of motor 4 is adjusted.

[0057] S207 sets the motor 4 to run at the current speed for a set duration. This operation reinforces the results of the speed reduction eccentricity adjustment and prevents the clothing from becoming unbalanced again due to an immediate increase in speed.

[0058] S208, according to the set method, the speed of motor 4 is increased to the maximum set speed threshold.

[0059] S209 controls the laundry equipment to complete the dehydration operation.

[0060] S2010 records all operating parameters of this washing program.

[0061] In steps S202 to S204, it should be noted that the distance sensor 5 is installed on the inner wall of the outer drum 2 of the laundry equipment. Those skilled in the art can set the number of distance sensors 5 according to actual usage requirements. Figure 1 The positions and number of distance sensors 5 shown are merely for better illustrating the core technical solution and do not necessarily imply that the invention is as described. Figure 1 The placement and quantity of the distance sensors 5 require careful judgment by those skilled in the art based on the specific application. However, preferably, according to... Figure 1As shown in the diagram, the distance sensor 5 is installed on the inner wall of the front, rear, left and right sides of the outer drum 2 of the laundry equipment. When any of the detection values ​​of the distance sensor 5 is less than the set threshold, step S204 is executed. This allows the laundry equipment to be aware of and make corresponding adjustments immediately when the inner drum 3 is eccentric in any direction, effectively improving the operating efficiency of the laundry equipment.

[0062] Furthermore, in a preferred embodiment, depending on the performance of the motor 4 of the laundry equipment, those skilled in the art can adjust the unbalanced load of clothes by reducing the speed of the motor 4 after the speed of the motor 4 reaches the set speed range, based on the distance between the inner drum 3 and the outer drum 2. This is because when the speed of the motor 4 is too low, even if the distance between the inner drum 3 and the outer drum 2 indicates a risk of collision, the speed of the motor 4 can be reduced to a very limited extent, which cannot effectively solve the problem of unbalanced load of clothes.

[0063] Regarding this point, it should be noted that those skilled in the art can set the adjustable speed range of motor 4 according to actual usage needs. However, preferably, the adjustable speed range of motor 4 can be set to 100 to 600 revolutions per minute, that is, when the current speed of motor 4 is between 100 and 600 revolutions per minute, the off-center loading of clothes is adjusted by the speed of motor 4 according to the distance between inner drum 3 and outer drum 2.

[0064] Finally, it should be noted that... Figure 3 The set threshold, set number of times threshold, set duration, and maximum set rotation speed threshold can all be preset by those skilled in the art for a specific laundry equipment through experimentation or any other suitable method. Adjusting the specific values ​​of these parameters does not deviate from the principles and scope of this invention.

[0065] In summary, the anti-collision drum control method of the laundry washing equipment of the present invention uses multiple distance sensors 5 to detect the distance between the inner drum 3 and the outer drum 2 in real time, and then controls the speed of the motor 4 by combining the adjustable speed range of the motor 4. This achieves the adjustment of the load balance of the laundry in the inner drum 3, preventing the inner drum 3 from colliding with the outer drum 2 due to excessive imbalance of the laundry, thus affecting the service life of the laundry washing equipment. At the same time, the rinsing of the laundry washing equipment is controlled according to the number of times the speed of the motor 4 is adjusted. This effectively reduces the number of times the laundry is washed while ensuring timely adjustment of the unbalanced load, further reducing the washing time and saving water and electricity resources.

[0066] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A method for controlling the anti-collision drum of a laundry washing device, the laundry washing device comprising an outer drum, an inner drum, and a motor, the outer drum being fixedly disposed within the housing of the laundry washing device, the inner drum being rotatably disposed within the outer drum, a distance sensor being disposed on the inner wall of the outer drum, and the motor being capable of driving the inner drum to rotate, characterized in that, The anti-collision drum control method of the clothing washing equipment includes the following steps: When the laundry washing equipment performs the spin-drying operation, the distance sensor obtains the distance between the inner drum and the outer drum in real time. When the distance between the inner cylinder and the outer cylinder is less than a set threshold, the speed of the motor is reduced; When the distance between the inner cylinder and the outer cylinder is greater than or equal to a set threshold, the speed of the motor is increased to the maximum set speed threshold according to the set method; The method further includes: recording the number of times the motor speed is adjusted; and controlling the laundry equipment to perform a rinsing operation when the number of adjustments reaches a set threshold.

2. The anti-collision drum control method for a laundry washing device according to claim 1, characterized in that, The anti-collision drum control method of the clothing washing equipment further includes: determining whether the speed of the motor is within the set speed range; The step of "reducing the motor speed when the distance between the inner cylinder and the outer cylinder is less than a set threshold" specifically includes: When the distance between the inner cylinder and the outer cylinder is less than the set threshold and the speed of the motor is within the set speed range, the speed of the motor is reduced.

3. The anti-collision drum control method for a laundry washing device according to claim 1, characterized in that, The step of "reducing the speed of the motor" specifically includes: Gradually or stepwise reduce the speed of the motor until the distance between the inner cylinder and the outer cylinder is greater than or equal to the set threshold.

4. The anti-collision drum control method for a laundry washing device according to claim 3, characterized in that, The anti-collision drum control method of the clothing washing equipment also includes: After reducing the speed of the motor to make the distance between the inner cylinder and the outer cylinder greater than or equal to the set threshold, the motor is made to run at the current speed for a set time, and then the motor is made to speed up to the maximum set speed threshold according to the set method.

5. The anti-collision drum control method for a laundry washing apparatus according to any one of claims 1 to 4, characterized in that, The outer cylinder is equipped with multiple distance sensors; The step of "reducing the motor speed when the distance between the inner cylinder and the outer cylinder is less than a set threshold" specifically includes: When the detection value of one of the multiple distance sensors is less than the set threshold, the speed of the motor is reduced.

6. The method for controlling the anti-collision drum of a laundry washing apparatus according to any one of claims 1 to 4, characterized in that, The anti-collision drum control method of the clothing washing equipment further includes: when the number of times the motor speed is adjusted is less than a set threshold number and the clothing washing equipment is controlled to complete the dehydration operation, recording all the operating parameters of this washing program for subsequent use.

7. A laundry washing device, comprising a processor, characterized in that, The processor is configured to execute the anti-collision drum control method of the laundry equipment according to any one of claims 1 to 6.

8. A storage medium storing computer-executable instructions, which, when invoked by a processor, execute the anti-collision drum control method of the laundry washing apparatus according to any one of claims 1 to 6.

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