阅读说明：本技术 榨汁机控制方法、榨汁机及计算机可读存储介质 (Juicer control method, juicer, and computer-readable storage medium ) 是由 陈小平 唐华龙 于 2020-05-25 设计创作，主要内容包括：本申请提供一种榨汁机控制方法、榨汁机及计算机可读存储介质,该方法包括：获取所述榨汁机的电池的当前电压；根据所述当前电压,确定所述榨汁机的工作截止电流；控制所述榨汁机运行,并获取所述榨汁机的当前工作电流；当确定所述当前工作电流小于所述工作截止电流时,控制所述榨汁机停止运行。本申请通过获取榨汁机的电池的当前电压,并根据该当前电压确定榨汁机的工作截止电流,当榨汁机的工作电流小于该工作截止电流,控制该榨汁机停止运行,提高了榨汁机的智能性,提高了用户的使用体验。(The application provides a juicer control method, a juicer and a computer-readable storage medium, wherein the method comprises the following steps: obtaining the current voltage of a battery of the juicer; determining the working cutoff current of the juice extractor according to the current voltage; controlling the juice extractor to operate, and acquiring the current working current of the juice extractor; and when the current working current is determined to be smaller than the working cutoff current, controlling the juicer to stop running. This application is through the current voltage who obtains the battery of juice extractor to according to the work cutoff current of this current voltage definite juice extractor, work current when the juice extractor is less than this work cutoff current, control this juice extractor and stop the operation, improved the intelligence of juice extractor, improved user's use and experienced.)

1. A juicer control method, wherein the juicer control method is applied to a juicer, and the method comprises the following steps:

obtaining the current voltage of a battery of the juicer;

determining the working cutoff current of the juice extractor according to the current voltage;

controlling the juice extractor to operate, and acquiring the current working current of the juice extractor;

and when the current working current is determined to be smaller than the working cutoff current, controlling the juicer to stop running.

2. The method of controlling a juicer of claim 1 wherein said determining an operational cutoff current for said juicer based on said present voltage comprises:

acquiring a mapping relation table between prestored voltage of a battery and working cut-off current of the juicer;

and determining the working cutoff current of the juice extractor according to the current voltage and the mapping relation table.

3. The method of controlling a juicer of claim 1, wherein prior to controlling the juicer to stop operation, further comprising:

when the current working current is determined to be smaller than the working cutoff current, recording the duration of the current working current smaller than the working cutoff current;

and when the continuous duration is determined to be greater than or equal to the preset duration, controlling the juicer to stop working.

4. The method of controlling a juicer of claim 3, wherein prior to controlling the juicer to stop operation, further comprising:

acquiring the shortest running time and the total running time of the juicer;

determining whether the total operating duration is greater than or equal to the shortest operating duration;

and if the total running time is longer than or equal to the shortest running time, controlling the juicer to stop running.

5. The juicer control method of any one of claims 1 to 4 wherein after obtaining the current voltage of the battery of the juicer, further comprising:

determining whether the current voltage is less than a preset voltage threshold;

and when the current voltage is determined to be smaller than the preset voltage threshold value, controlling the juice extractor to stop running.

6. The method of controlling a juicer of claim 1, wherein said controlling operation of said juicer comprises:

obtaining the type of fruits and vegetables to be juiced to obtain the type of the fruits and vegetables;

determining the initial working current of the juice extractor according to the type of the fruits and vegetables;

and controlling the juice extractor to operate according to the initial working current.

7. The method of controlling a juicer of claim 1 wherein after said determining that said present operating current is less than said operating cutoff current, controlling said juicer to cease operation further comprises:

and controlling the juicer to execute preset reminding operation so as to remind a user that the work of the juicer is finished.

8. The method of controlling a juicer of claim 7 wherein said predetermined reminder operation includes at least one of: broadcasting a preset reminding sound, lighting a preset breathing lamp and displaying preset reminding information.

9. A juicer comprising a processor, a memory, and a computer program stored on said memory and executable by said processor, wherein said computer program when executed by said processor implements the steps of the juicer control method of any one of claims 1 to 8.

10. A computer-readable storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method of controlling a juicer of any one of claims 1 to 8.

Technical Field

The application relates to the technical field of household appliances, in particular to a juicer control method, a juicer and a computer-readable storage medium.

Background

Along with people's quality of life is better and better, various portable household electrical appliances appear in the field of vision of the masses, for example the juice extractor, the juice extractor has advantages such as the size is little, the color number is high and conveniently carry. The juice extractor can process food materials such as fruits and vegetables in daily life.

The mixing time of the existing juice extractor is fixed, for example, 40 seconds are mixed regularly, and the mixing is stopped when the regular time is up. The juicer is powered by batteries, usually one or two lithium batteries are adopted, and under the fixed working condition, the stirring effect when the batteries are fully charged is better than that when the electric quantity of the batteries is lower; in addition, the fruit may be stirred differently for the same stirring time and may be stirred differently, for example, for stirring soft fruits such as strawberries and bananas, for a longer period of time and power than for stirring harder fruits such as apples. Therefore, the working mode of the juicer is not intelligent enough, and how to intelligently control the juicer is a problem to be solved urgently at present.

Disclosure of Invention

The main object of the present application is to provide a juicer control method, a juicer and a computer readable storage medium, which aim to improve the intelligence of the juicer so as to improve the user experience.

In a first aspect, the present application provides a method of controlling a juicer, the method being applied to a juicer, the method comprising the steps of:

obtaining the current voltage of a battery of the juicer;

determining the working cutoff current of the juice extractor according to the current voltage;

controlling the juice extractor to operate, and acquiring the current working current of the juice extractor;

and when the current working current is determined to be smaller than the working cutoff current, controlling the juicer to stop running.

In a second aspect, the present application also provides a juice extractor comprising a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the method of controlling a juice extractor as described above.

In a third aspect, the present application also provides a computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method of controlling a juice extractor as described above.

The application provides a juicer control method, a juicer and a computer-readable storage medium, and the method comprises the steps of obtaining the current voltage of a battery of the juicer; then determining the working cutoff current of the juice extractor according to the current voltage; then controlling the juice extractor to operate, and obtaining the current working current of the juice extractor; and when the current working current is determined to be less than the working cutoff current, controlling the juicer to stop running. The current voltage of the battery of the juicer is obtained, the work cut-off current of the juicer is determined according to the current voltage, when the work current of the juicer is smaller than the work cut-off current, the juicer is controlled to stop running, the intelligence of the juicer is improved, and the use experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic flow chart of a juice extractor control method according to an embodiment of the present disclosure;

FIG. 2 is a schematic circuit diagram of a control circuit of the juicer according to the embodiment of the present application;

FIG. 3 is a schematic view of a scenario for implementing the method for controlling a juicer according to the present embodiment;

fig. 4 is a schematic block diagram of a structure of a juicer provided in an embodiment of the present application.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.

The embodiment of the application provides a juicer control method, a juicer and a computer readable storage medium. The juicer control method can be applied to juicers, such as stirring type juicers, spraying type juicers and juicing type juicers, and can also be single-cylinder juicers, double-cylinder juicers, three-cylinder juicers, four-cylinder juicers, round-cylinder juicers, multifunctional juicers and the like; the juicer control method can also be applied to terminal equipment, and the terminal equipment can be electronic equipment such as a mobile phone, a tablet computer, a notebook computer, a desktop computer, a personal digital assistant and wearable equipment.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a juice extractor control method according to an embodiment of the present disclosure.

As shown in fig. 1, the method of controlling a juice extractor includes steps S101 to S104.

And S101, acquiring the current voltage of a battery of the juicer.

The juicer comprises a motor control assembly, the motor control assembly is used for controlling the juicer to operate, the motor control assembly comprises a control unit, a motor current sampling circuit and a voltage sampling circuit of a battery, the control unit is used for controlling the motor to be turned on or turned off, the motor current sampling circuit is used for collecting the current of the motor, and the voltage sampling circuit is used for collecting the voltage of the battery. The working current of the motor can be rapidly obtained through the motor current sampling circuit, and the voltage of a battery of the juicer can be rapidly obtained through the voltage sampling circuit; the motor may be selected according to actual conditions, which is not specifically limited in this application, and for example, the motor is a dc motor.

In one embodiment, as shown in fig. 2, the battery voltage sampling circuit 30 includes a resistor R3, a resistor R4, and a capacitor C2; the resistor R3 and the resistor R4 are connected in series and are connected to two ends of the battery in series, the capacitor C2 is connected with the resistor R4 in parallel, and the voltage of the battery can be rapidly acquired through the voltage sampling circuit 30. The motor current sampling circuit 20 comprises a resistor R1, a resistor R2 and a capacitor C1, and the motor current sampling circuit 20 can rapidly collect the working current of the motor. The control unit 10 controls the direct current motor to be turned on or off, and further controls the juice extractor to be turned on or off.

In one embodiment, the current voltage of the battery of the juicer is obtained, whether the current voltage is smaller than a preset voltage threshold value or not is determined, and when the current voltage is smaller than the preset voltage threshold value, the juicer is controlled to stop running. The preset voltage threshold may be set according to an actual situation, which is not specifically limited in the present application, for example, the preset voltage threshold is determined according to a preset proportionality coefficient and a rated voltage of the battery, where the preset proportionality coefficient is 0.8, the rated voltage of the battery is 3V, and the preset voltage threshold is 2.4V. The juice extractor is controlled to stop running by determining that the battery voltage of the juice extractor is smaller than the preset voltage threshold, so that the juice extractor is prevented from being damaged due to the fact that the motor of the juice extractor with too small current generates excessive heat, and the intelligence of the juice extractor is improved.

Illustratively, the current voltage of the battery is acquired to be 5V through a voltage sampling circuit of the battery, the preset proportionality coefficient is acquired to be 0.9, the rated voltage of the battery is acquired to be 6V, and the preset voltage threshold value is determined to be 5.4V according to the preset proportionality coefficient being 0.9 and the rated voltage of the battery being 6V; and determining that the battery voltage of the juicer is smaller than a preset voltage threshold value according to the current voltage of the battery being 5V and the preset voltage threshold value being 5.4V, and controlling the juicer to stop running.

And S102, determining the working cutoff current of the juicer according to the current voltage.

Wherein the work cut-off current is a current signal to be finished when the juicer is used for juicing, and the work cut-off current of the juicer can be determined by the current voltage of a battery of the juicer.

In one embodiment, a mapping relation table between the pre-stored voltage of the battery and the working cut-off current of the juicer is obtained; and determining the working cutoff current of the juicer according to the current voltage and the mapping relation table. The mapping relation table between the voltage of the battery and the working cutoff current of the juicer is an information table pre-stored in a memory of the juicer, and the mapping relation table can be established according to actual conditions, which is not specifically limited in the present application. For example, the working cutoff current of the juicer after the juicing of the batteries with different voltage values is tested to obtain the cutoff current corresponding to each voltage value, and the current value corresponding to each voltage is recorded to obtain the mapping relation table.

Illustratively, the current voltage of the battery of the juicer is collected to be 5V through the voltage sampling circuit of the battery, and the working cutoff current of the juicer is obtained to be 4A according to the current voltage of 5V and a mapping relation table between the prestored voltage of the battery and the working cutoff current of the juicer.

And S103, controlling the juice extractor to operate, and acquiring the current working current of the juice extractor.

The motor control assembly comprises a motor current sampling circuit, and the motor current sampling circuit is used for collecting the working current of the motor.

In one embodiment, the type of the fruit and vegetable to be squeezed is obtained, and the type of the fruit and vegetable is obtained; determining the initial working current of the juice extractor according to the type of the fruits and vegetables; and controlling the juice extractor to operate according to the initial working current. Through the type of fruit vegetables, confirm the initial operating current of juice extractor, improved the intelligence of juice extractor, improved user's use and experienced.

Specifically, when a user puts fruits and vegetables into the juice extractor, the user inputs the types of the fruits and vegetables through keys on a juice extractor control interface to obtain the types of the fruits and vegetables, a pre-stored mapping relation table of initial working current and the types of the fruits and vegetables is obtained, the initial working current of the juice extractor is determined according to the types of the fruits and vegetables and the mapping relation table to obtain the initial working current of the juice extractor, and the juice extractor is controlled to operate according to the initial working current. The mapping relation table of the initial working current and the fruit and vegetable type is an information table stored in a memory of the juicer in advance, the mapping relation table can be established according to actual conditions, and the mapping relation table is not specifically limited in the application, for example, an apple is a hard fruit and vegetable, the initial working current corresponding to the hard fruit and vegetable is 10A, a banana is a soft fruit and vegetable, and the initial working current corresponding to the soft fruit and vegetable is 8A.

It should be noted that the type of the fruit and vegetable may be obtained in other manners, for example, the user inputs the type of the fruit and vegetable in an intelligent device associated with the juice extractor, and the type of the fruit and vegetable input by the user in the intelligent device is sent to the juice extractor, so as to obtain the type of the fruit and vegetable. The intelligent device can be selected according to actual conditions, and the application does not limit the intelligent device, for example, the intelligent device can be a mobile phone, a tablet computer, an intelligent refrigerator, an intelligent wearable device and other intelligent devices. The type of user input fruit vegetables on the smart machine, the type that obtains the fruit vegetables that can be convenient has improved the intelligence of juice extractor and user's use experience.

In one embodiment, the current of the motor of the juicer is acquired by the motor current sampling circuit at preset time intervals, so that the current of the juicer is obtained. The current of juice extractor can be rapidly collected through the motor current sampling circuit, and the intelligence of the juice extractor is improved. The preset time may be set according to an actual situation, which is not specifically limited in the present application, for example, the preset time is set to 2 seconds.

And step S104, when the current working current is determined to be smaller than the working cutoff current, controlling the juicer to stop running.

Wherein, motor control subassembly includes the control unit, and this control unit is used for controlling opening or closing of motor, and then controls opening or closing of juice extractor. The motor may be selected according to actual conditions, and this is not specifically limited in this application.

In one embodiment, it is determined whether the current working current is less than the working cutoff current, and if the current working current is less than the working cutoff current, it is determined that the juicer has finished juicing, and the control unit controls the motor to be turned off and stopped, so as to control the juicer to stop operating.

In one embodiment, when the current working current is determined to be smaller than the working cutoff current, recording the duration of time that the current working current is smaller than the working cutoff current; and when the continuous duration is determined to be greater than or equal to the preset duration, controlling the juicer to stop working. The preset time period may be set according to an actual situation, which is not specifically limited in the present application, for example, the preset time period is set to 10 seconds. Through recording the duration that the current working current is less than the work cutoff current, when the duration is determined to be greater than or equal to the preset duration, the juice extractor is controlled to stop working, the fruits and vegetables are prevented from not completely juicing, the intelligence of the juice extractor is improved, and the use experience of a user is improved.

Illustratively, the cut-off working current of the juicer is 5A, the preset time is 10 seconds, when the working current of the juicer is less than 5A, the current working current is recorded to be less than 5A, and when the recorded time is 5 seconds, the juicer is controlled to stop running.

In one embodiment, when the current working current is determined to be smaller than the working cutoff current, the shortest running time and the total running time of the juicer are obtained; determining whether the total operating duration is greater than or equal to the shortest operating duration; if the total running time is longer than or equal to the shortest running time, controlling the juicer to stop running; and if the total running time is shorter than the shortest running time, controlling the juice extractor. The shortest operation time period is set according to an actual situation, which is not specifically limited in the present application, and for example, the shortest operation time period is set to 30 seconds. The juice extractor is controlled to stop by determining that the total running time of the juice extractor is greater than or equal to the shortest running time, the total running time of the juice extractor is less than the shortest running time, the juice extractor is controlled to continue running, misjudgment caused by other factors is prevented, the fruits and vegetables are not completely squeezed, and the intelligence of the juice extractor is improved.

Illustratively, when the current working current is determined to be less than the working cutoff current, the shortest operation time of the juicer is 30 seconds and the total operation time is 25 seconds, and the total operation time is 25 seconds and is less than the shortest operation time by 30 seconds, the juicer is controlled to continue to operate.

In one embodiment, the maximum operation time length and the total operation time length of the juicer are obtained; and determining whether the total running time length is greater than or equal to the total running time length, and controlling the juicer to stop running if the total running time length is greater than or equal to the longest running time length. The maximum runtime length may be set according to an actual situation, which is not specifically limited in this application, for example, the maximum runtime length is set to 60 seconds. When the current working current is determined to be larger than or equal to the working cutoff current, and the total running time length is larger than or equal to the longest running time length, the juice extractor is controlled to stop running, the juice extractor is prevented from being stopped due to misjudgment caused by other factors, and the intelligence of the juice extractor is improved.

In an embodiment, when it is determined that the current working current is less than the working cutoff current, the juice extractor is controlled to stop working, and the juice extractor is controlled to execute a preset reminding operation to remind a user that the juice extractor is finished working. Wherein, should predetermine and remind the operation and include following at least one: broadcasting a preset reminding sound, lighting a preset breathing lamp and displaying preset reminding information. Through reminding the user to change the raw water, improved the intelligence of juice extractor, greatly improved user's use and experienced. Illustratively, when the current working current is determined to be smaller than the working cutoff current, the juice extractor is controlled to stop working, and the voice broadcast module of the juice extractor is controlled to broadcast the voice of 'juice extraction completion'.

Exemplarily, as shown in fig. 3, a control panel a is provided on the juice extractor, the control panel a includes a control button D, a display screen C and a breathing lamp B, when a user puts fruits and vegetables into a container cup of the juice extractor, the control button D is controlled to select the type of the fruits and vegetables displayed in the display screen to obtain the type of the fruits and vegetables, an initial working current is determined according to the type of the fruits and vegetables, the juice extractor is controlled to operate according to the initial working current, and when the current working current is smaller than the working cutoff current, the juice extractor is controlled to stop operating, and the breathing lamp B is controlled to flash to remind the user of completion of juice extraction.

In the method for controlling the juice extractor provided by the embodiment, the current voltage of the battery of the juice extractor is obtained; then determining the working cutoff current of the juice extractor according to the current voltage; then controlling the juice extractor to operate, and obtaining the current working current of the juice extractor; and when the current working current is determined to be less than the working cutoff current, controlling the juicer to stop running. The current voltage of the battery of the juicer is obtained, the work cut-off current of the juicer is determined according to the current voltage, when the work current of the juicer is smaller than the work cut-off current, the juicer is controlled to stop running, the intelligence of the juicer is improved, and the use experience of a user is improved.

Referring to fig. 4, fig. 4 is a schematic block diagram of a juicer provided in the embodiment of the present application. The juicer can be a stirring type juicer, a spray type juicer and a juicing type juicer, and can also be a juicer such as a single-cylinder juicer, a double-cylinder juicer, a three-cylinder juicer, a four-cylinder juicer, a round-cylinder juicer and a multifunctional juicer.

As shown in fig. 4, the juice extractor 200 comprises a processor 202, a memory 203 and a communication interface 204 connected by a system bus 201, wherein the memory 203 may comprise a non-volatile storage medium and an internal memory.

The non-volatile storage medium may store a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any of the methods of controlling a juicer.

The processor 202 is used to provide computing and control capabilities to support the operation of the entire juicer.

The internal memory provides an environment for the execution of a computer program on a non-volatile storage medium, which when executed by the processor, causes the processor to perform any of the methods of controlling the juicer.

The communication interface 204 is used for communication. It will be appreciated by those skilled in the art that the arrangement shown in figure 4 is a block diagram of only a part of the arrangement relevant to the present solution and does not constitute a limitation of the juice extractor to which the present solution is applied, and that a particular juice extractor may comprise more or less components than those shown in the figures, or some components may be combined, or have a different arrangement of components.

It should be understood that the bus 201 is, for example, an I2C (Inter-Integrated Circuit) bus, the Memory 203 may be a Flash chip, a Read-Only Memory (ROM), a magnetic disk, an optical disk, a usb disk, or a removable hard disk, the Processor 202 may be a Central Processing Unit (CPU), and the Processor may also be other general-purpose processors, Digital Signal Processors (DSP), Application Specific Integrated Circuits (ASIC), Field Programmable Gate Arrays (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

Wherein, in one embodiment, the processor 202 is configured to run a computer program stored in a memory to implement the steps of:

obtaining the current voltage of a battery of the juicer;

determining the working cutoff current of the juice extractor according to the current voltage;

controlling the juice extractor to operate, and acquiring the current working current of the juice extractor;

and when the current working current is determined to be smaller than the working cutoff current, controlling the juicer to stop running.

In one embodiment, the processor 202, in effecting said determining an operational cutoff current of the juicer from the present voltage, is adapted to effect:

acquiring a mapping relation table between prestored voltage of a battery and working cut-off current of the juicer;

and determining the working cutoff current of the juice extractor according to the current voltage and the mapping relation table.

In one embodiment, the processor 202 is further configured to, before performing the controlling of the juice extractor to stop operating:

when the current working current is determined to be smaller than the working cutoff current, recording the duration of the current working current smaller than the working cutoff current;

and when the continuous duration is determined to be greater than or equal to the preset duration, controlling the juicer to stop working.

In one embodiment, the processor 202 is further configured to, before performing the controlling of the juice extractor to stop operating:

acquiring the shortest running time and the total running time of the juicer;

determining whether the total operating duration is greater than or equal to the shortest operating duration;

and if the total running time is longer than or equal to the shortest running time, controlling the juicer to stop running.

In one embodiment, the processor 202, after implementing the obtaining of the current voltage of the battery of the juicer, is further configured to implement:

determining whether the current voltage is less than a preset voltage threshold;

and when the current voltage is determined to be smaller than the preset voltage threshold value, controlling the juice extractor to stop running.

In one embodiment, the processor 202, when implementing the controlling the juicer to operate, is configured to implement:

obtaining the type of fruits and vegetables to be juiced to obtain the type of the fruits and vegetables;

determining the initial working current of the juice extractor according to the type of the fruits and vegetables;

and controlling the juice extractor to operate according to the initial working current.

In one embodiment, the processor 202 is further configured to, after performing the step of controlling the juicer to stop operating when the current operating current is determined to be less than the operating cutoff current, perform:

and controlling the juicer to execute preset reminding operation so as to remind a user that the work of the juicer is finished.

In one embodiment, the processor 202, in implementing the preset reminding operation, includes at least one of: broadcasting a preset reminding sound, lighting a preset breathing lamp and displaying preset reminding information.

It should be noted that, as will be clearly understood by those skilled in the art, for convenience and brevity of description, the specific working process of the juice extractor described above may refer to the corresponding process in the foregoing embodiment of the juice extractor control method, and will not be described herein again.

Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, where the computer program includes program instructions, and a method implemented when the program instructions are executed may refer to various embodiments of a juice extractor control method of the present application.

The computer readable storage medium may be an internal storage unit of the juice extractor described in the foregoing embodiments, such as a hard disk or a memory of the juice extractor. The computer readable storage medium may also be an external storage device of the juice extractor, such as a plug-in hard disk provided on the juice extractor, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc.

It is to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.