阅读说明：本技术 一种led显示屏用大规模集群管理方法、系统及电子设备 (Large-scale cluster management method and system for LED display screen and electronic equipment ) 是由 王永理 王会 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种LED显示屏用大规模集群管理方法、系统及电子设备,涉及LED显示屏管理技术领域,所述方法包括：对已安装LED显示屏按预设标准进行分类,得到多种组合；接收新增LED显示屏信息；根据所述新增LED显示屏信息和预设标准,判断所述新增LED显示屏是否归纳于单个组合中；若是,对所述单个组合内新增LED显示屏进行故障预测,针对故障预测结果发出对新增LED显示屏的运维处理提醒；若否,所述新增LED显示屏根据预设标准得到新增组合,对新增组合内新增LED显示屏进行故障预测,针对故障预测结果发出对新增LED显示屏的运维处理提醒。本发明具有预测故障和快速提高安全性能的优点。(The invention discloses a large-scale cluster management method, a large-scale cluster management system and electronic equipment for an LED display screen, and relates to the technical field of LED display screen management, wherein the method comprises the following steps: classifying the installed LED display screens according to a preset standard to obtain various combinations; receiving information of a newly added LED display screen; judging whether the newly added LED display screen is summarized in a single combination or not according to the information of the newly added LED display screen and a preset standard; if yes, performing fault prediction on the newly added LED display screen in the single combination, and sending operation and maintenance processing reminding of the newly added LED display screen according to a fault prediction result; and if not, the newly added LED display screen obtains a newly added combination according to a preset standard, fault prediction is carried out on the newly added LED display screen in the newly added combination, and operation and maintenance processing reminding of the newly added LED display screen is sent out according to a fault prediction result. The invention has the advantages of predicting faults and rapidly improving safety performance.)

1. A large-scale cluster management method for an LED display screen is characterized by comprising the following steps:

s1, classifying the installed LED display screens according to a preset standard to obtain various combinations;

s2, receiving information of the newly added LED display screen;

s3, judging whether the newly added LED display screen is summarized in a single combination or not according to the information of the newly added LED display screen and a preset standard;

s4, if yes, carrying out fault prediction on the newly added LED display screen in the single combination, and sending operation and maintenance processing reminding of the newly added LED display screen according to a fault prediction result;

and S5, if not, the newly added LED display screen obtains a newly added combination according to a preset standard, fault prediction is carried out on the newly added LED display screen in the newly added combination, and operation and maintenance processing reminding of the newly added LED display screen is sent out according to a fault prediction result.

2. The large scale cluster management method for LED display screen according to claim 1, wherein said S4 comprises:

s41, summarizing the faults of the LED display screens in the single combination to obtain a single group of fault sets, and sequencing the faults in the single group of fault sets from small to large according to the summarized repetition times to obtain a single group of fault sequence;

and S42, carrying out single-group weight ratio analysis on the single-group fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

3. The large scale cluster management method for LED display screen according to claim 2, wherein said S42 comprises:

s421, selecting the first five faults with the most repetition times in the single group of fault sequences;

s422, comparing the repetition times of each fault in the five faults with the total repetition times of the five faults to obtain a ratio;

and S423, comparing the ratio with a preset value, and marking if the ratio is larger than the preset value.

4. The large scale cluster management method for LED display screen according to claim 1, wherein said S5 comprises:

s51, summarizing the faults of the LED display screens to obtain an overall fault set, and sequencing the faults in the overall fault set from small to large according to the summarized repetition times to obtain an overall fault sequence;

and S52, carrying out multi-group weight ratio analysis on the whole fault sequence to obtain and mark faults with weight ratios larger than a preset standard.

5. The large scale cluster management method for the LED display screen according to claim 4, wherein the S52 comprises:

s521, selecting the first five faults with the most repetition times in the whole fault sequence;

s522, comparing the repetition times of each fault in the five faults with the total repetition times of the five faults to obtain a ratio;

s523, comparing the ratio with a preset value, and marking if the ratio is larger than the preset value.

6. A large scale cluster management system for LED display screens, the system comprising:

the classification module is used for classifying the installed LED display screens according to a preset standard to obtain various combinations;

the receiving module is used for receiving information of the newly added LED display screen;

the judging module is used for judging whether the newly added LED display screen is summarized in a single combination or not according to the information of the newly added LED display screen and a preset standard;

the processing module is used for predicting the faults of the newly added LED display screens in the single combination when the newly added LED display screens are summarized in the single combination, and sending operation and maintenance processing prompts of the newly added LED display screens according to the fault prediction result;

and the processing module is used for obtaining a newly added combination according to the newly added LED display screen and a preset standard when the newly added LED display screen is not stored in the single combination, carrying out fault prediction on the newly added LED display screen in the newly added combination, and sending out operation and maintenance processing reminding on the newly added LED display screen according to a fault prediction result.

7. The large-scale cluster management method for the LED display screen according to claim 6, wherein the processing module comprises:

the first sequencing module is used for summarizing the faults of the LED display screens in the single combination to obtain a single group of fault sets, and sequencing the faults in the single group of fault sets from small to large according to the summarized repetition times to obtain a single group of fault sequence;

and the first marking module is used for carrying out single-group weight ratio analysis on the single-group fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

8. The large-scale cluster management method for the LED display screen according to claim 6, wherein the processing module comprises:

the second sorting module is used for summarizing the faults of the LED display screens in the plurality of combinations to obtain an overall fault set, and sorting the faults in the overall fault set from small to large according to the summarized repetition times to obtain an overall fault sequence;

and the second marking module is used for carrying out multi-group weight ratio analysis on the whole fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

9. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 5 when executing the computer program.

10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 5.

Technical Field

The invention relates to the technical field of LED display screen management, in particular to a large-scale cluster management method and system for an LED display screen and electronic equipment.

Background

The LED display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. With the continuous progress of living standard, more and more LED display screens are visible for people, and the LED display screens are widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, stock exchange and the like, can meet the requirements of different environments, so that the function of the LED display screen is very critical, the most important thing in the use of the LED display screen is to make the LED display screen operate safely and stably, when the existing large-scale LED display screen is managed, the management system can only play a role of simple recording and storage, and usually can only find the fault which has occurred and carry out maintenance aiming at the fault which has occurred, meanwhile, when the LED display screen is periodically maintained, no pertinence exists, system recording can not be carried out on similar faults, and fault prediction can not be carried out on the additionally arranged LED display screen, so that the safety performance of the LED display screen can not be efficiently and reliably improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a large-scale cluster management method, a large-scale cluster management system and electronic equipment for an LED display screen.

A large-scale cluster management method for an LED display screen comprises the following steps: s1, classifying the installed LED display screens according to a preset standard to obtain various combinations; s2, receiving information of the newly added LED display screen; s3, judging whether the newly added LED display screen is summarized in a single combination or not according to the information of the newly added LED display screen and a preset standard; s4, if yes, carrying out fault prediction on the newly added LED display screen in the single combination, and sending operation and maintenance processing reminding of the newly added LED display screen according to a fault prediction result; and S5, if not, the newly added LED display screen obtains a newly added combination according to a preset standard, fault prediction is carried out on the newly added LED display screen in the newly added combination, and operation and maintenance processing reminding of the newly added LED display screen is sent out according to a fault prediction result.

Preferably, S4 includes: s41, summarizing the faults of the LED display screens in the single combination to obtain a single group of fault sets, and sequencing the faults in the single group of fault sets from small to large according to the summarized repetition times to obtain a single group of fault sequence; and S42, carrying out single-group weight ratio analysis on the single-group fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

Preferably, S42 includes: s421, selecting the first five faults with the most repetition times in the single group of fault sequences; s422, comparing the repetition times of each fault in the five faults with the total repetition times of the five faults to obtain a ratio; and S423, comparing the ratio with a preset value, and marking if the ratio is larger than the preset value.

Preferably, S5 includes: s51, summarizing the faults of the LED display screens to obtain an overall fault set, and sequencing the faults in the overall fault set from small to large according to the summarized repetition times to obtain an overall fault sequence; and S52, carrying out multi-group weight ratio analysis on the whole fault sequence to obtain and mark faults with weight ratios larger than a preset standard.

Preferably, S52 includes: s521, selecting the first five faults with the most repetition times in the whole fault sequence; s522, comparing the repetition times of each fault in the five faults with the total repetition times of the five faults to obtain a ratio; s523, comparing the ratio with a preset value, and marking if the ratio is larger than the preset value.

Also provided is a large-scale cluster management system for an LED display screen, the system comprising: the classification module is used for classifying the installed LED display screens according to a preset standard to obtain various combinations; the receiving module is used for receiving information of the newly added LED display screen; the judging module is used for judging whether the newly added LED display screen is summarized in a single combination or not according to the information of the newly added LED display screen and a preset standard; the processing module is used for predicting the faults of the newly added LED display screens in the single combination when the newly added LED display screens are summarized in the single combination, and sending operation and maintenance processing prompts of the newly added LED display screens according to the fault prediction result; and the processing module is used for obtaining a newly added combination according to the newly added LED display screen and a preset standard when the newly added LED display screen is not stored in the single combination, carrying out fault prediction on the newly added LED display screen in the newly added combination, and sending out operation and maintenance processing reminding on the newly added LED display screen according to a fault prediction result.

Preferably, the processing module comprises: the first sequencing module is used for summarizing the faults of the LED display screens in the single combination to obtain a single group of fault sets, and sequencing the faults in the single group of fault sets from small to large according to the summarized repetition times to obtain a single group of fault sequence; and the first marking module is used for carrying out single-group weight ratio analysis on the single-group fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

Preferably, the processing module comprises: the second sorting module is used for summarizing the faults of the LED display screens in the plurality of combinations to obtain an overall fault set, and sorting the faults in the overall fault set from small to large according to the summarized repetition times to obtain an overall fault sequence; and the second marking module is used for carrying out multi-group weight ratio analysis on the whole fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

There is also provided an electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the method as described above when executing the computer program.

There is also provided a computer readable storage medium, storing a computer program, characterized in that the computer program, when executed by a processor, implements the method as described above.

The invention provides a large-scale cluster management method, a system and electronic equipment for an LED display screen, which are characterized in that the LED display screens are grouped by using the same preset standard, faults which occur on the installed LED display screens are counted in the same combination, or faults which occur on the installed LED display screens are counted in a plurality of approximate combinations, then faults with high repetition times are screened out and marked, when the LED display screens are newly added in the combination or the LED display screens are newly added in the new combinations which are approximate to the combinations, the marked faults are the faults which may occur, and therefore the fault prediction of the newly added LED display screens is realized, the faults are subjected to targeted preprocessing, the probability of the faults is reduced, and the safety performance of the LED display screens is further improved rapidly.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic flow chart of a large-scale cluster management method for an LED display screen according to the present invention;

FIG. 2 is a flowchart illustrating the substeps of step S4 provided in the present invention;

FIG. 3 is a flowchart illustrating the substeps of step S42 provided in the present invention;

FIG. 4 is a flowchart illustrating the substeps of step S5 provided in the present invention;

FIG. 5 is a flowchart illustrating the sub-step of step S52 provided by the present invention;

FIG. 6 is a schematic connection diagram of a large-scale cluster management system for an LED display screen according to the present invention;

FIG. 7 is a schematic diagram of a connection of the processing modules of the present invention;

FIG. 8 is another schematic diagram of the connection of the process modules of the present invention.

Reference numerals:

10-a classification module, 20-a receiving module, 30-a judging module, 40-a processing module, 401-a first sequencing module, 402-a first marking module, 403-a second sequencing module, 404-a second marking module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.

As shown in fig. 1, a large-scale cluster management method for an LED display screen includes:

s1, classifying the installed LED display screens according to a preset standard to obtain various combinations;

s2, receiving information of the newly added LED display screen;

s3, judging whether the newly added LED display screen is summarized in a single combination or not according to the information of the newly added LED display screen and a preset standard;

s4, if yes, carrying out fault prediction on the newly added LED display screen in the single combination, and sending operation and maintenance processing reminding of the newly added LED display screen according to a fault prediction result;

and S5, if not, the newly added LED display screen obtains a newly added combination according to a preset standard, fault prediction is carried out on the newly added LED display screen in the newly added combination, and operation and maintenance processing reminding of the newly added LED display screen is sent out according to a fault prediction result.

In this embodiment, the preset criteria may be: functions (different types of LED displays have different functions), installation environment (media center, elevator, cultural performance market, stadium, stock exchange), model (LED displays have various models), and region (XX street, XX city, XX country, etc.), etc.

(1) In the first case: and S1, classifying the installed LED display screens according to the models to obtain a combination A, a combination B and a combination C.

S2, receiving the information of the newly added LED display screen as a D type;

and S3, classifying the newly added LED display screens according to the models, and judging that the newly added LED display screens cannot be classified in any one of the combination A, the combination B and the combination C.

S5, acquiring a newly added D combination according to the information of the newly added LED display screen, summarizing the newly added LED display screen into the newly added D combination, carrying out fault prediction on the newly added LED display screen in the newly added D combination, and sending out operation and maintenance processing reminding on the newly added LED display screen according to a fault prediction result.

(1) In the second case: and S1, classifying the installed LED display screens according to the models to obtain a combination A, a combination B and a combination C.

S2, receiving the information of the newly added LED display screen as a C type;

and S3, classifying the newly added LED display screens according to the models according to the information of the newly added LED display screens, and judging that the newly added LED display screens can be summarized in the combination C.

And S4, performing fault prediction on the newly added LED display screen in the C combination, and sending operation and maintenance processing reminding of the newly added LED display screen according to a fault prediction result.

The invention provides a large-scale cluster management method, a system and electronic equipment for an LED display screen, which are characterized in that the LED display screens are grouped by using the same preset standard, faults which occur on the installed LED display screens are counted in the same combination, or faults which occur on the installed LED display screens are counted in a plurality of approximate combinations, then faults with high repetition times are screened out and marked, when the LED display screens are newly added in the combination or the LED display screens are newly added in the new combinations which are approximate to the combinations, the marked faults are the faults which may occur, and therefore the fault prediction of the newly added LED display screens is realized, the faults are subjected to targeted preprocessing, the probability of the faults is reduced, and the safety performance of the LED display screens is further improved rapidly.

Specifically, as shown in fig. 2, S4 includes: s41, summarizing the faults of the LED display screens in the single combination to obtain a single group of fault sets, and sequencing the faults in the single group of fault sets from small to large according to the summarized repetition times to obtain a single group of fault sequence;

and S42, carrying out single-group weight ratio analysis on the single-group fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

In this embodiment, it should be noted that different LED display screens in a single combination can have different faults, and also can have the same fault, so that all faults in a single combination need to be counted; on the basis of the previous embodiment, S41, summarizing and counting all faults of all LED display screens in the group C to obtain a group C fault set, and sequencing the faults in the group C fault set from small to large according to the summarized repetition times to obtain a group C fault sequence; and S42, performing single-group weight ratio analysis on the C group fault sequence to obtain and mark the fault with the weight ratio larger than the preset standard.

Specifically, as shown in fig. 3, S42 includes: s421, selecting the first five faults with the most repetition times in the single group of fault sequences;

s422, comparing the repetition times of each fault in the five faults with the total repetition times of the five faults to obtain a ratio;

and S423, comparing the ratio with a preset value, and marking if the ratio is larger than the preset value.

In this embodiment, in addition to the above embodiment, the first five faults having the largest number of repetitions in the C-group fault sequence are selected in S421: the method comprises the following steps of port faults, network faults, parameter configuration faults, installation connection faults and operating system faults, wherein the port faults are repeated for 2 times, the network faults are repeated for 2 times, the parameter configuration faults are repeated for 6 times, the installation connection faults are repeated for 10 times, and the operating system faults are repeated for 20 times; s422, the sum of the repetition times of the five faults is 40 times, so that the port fault ratio is 1/20, the network fault ratio is 1/20, the parameter configuration fault ratio is 3/20, the installation connection fault ratio is 1/4, and the operating system fault ratio is 1/2; and S423, the preset value is 1/5, so that the ratio of the installation connection faults is larger than the preset value, the ratio of the operating system faults is also larger than the preset value, and the installation connection faults and the operating system faults are marked.

Specifically, as shown in fig. 4, S5 includes: s51, summarizing the faults of the LED display screens to obtain an overall fault set, and sequencing the faults in the overall fault set from small to large according to the summarized repetition times to obtain an overall fault sequence;

and S52, carrying out multi-group weight ratio analysis on the whole fault sequence to obtain and mark faults with weight ratios larger than a preset standard.

In this embodiment, it should be noted that, on the basis of the above embodiment, S51, a newly added D combination is obtained according to information of the newly added LED display screen, the newly added LED display screen is summarized into the newly added D combination, all failures of all the LED display screens in the combination a, the combination B and the combination C are summarized and counted to obtain an overall failure set, and then the failures in the overall failure set are sorted from small to large according to the summarized repetition times to obtain an overall failure sequence; and S52, carrying out single-group weight ratio analysis on the whole fault sequence to obtain and mark faults with weight ratios larger than a preset standard.

Specifically, as shown in fig. 5, S52 includes: s521, selecting the first five faults with the most repetition times in the whole fault sequence;

s522, comparing the repetition times of each fault in the five faults with the total repetition times of the five faults to obtain a ratio;

s523, comparing the ratio with a preset value, and marking if the ratio is larger than the preset value.

In the present embodiment, in addition to the above embodiment, S521 selects the first five faults having the largest number of repetitions in the entire fault sequence: the method comprises the following steps of port faults, network faults, parameter configuration faults, installation connection faults and operating system faults, wherein the port faults are repeated for 2 times, the network faults are repeated for 2 times, the parameter configuration faults are repeated for 6 times, the installation connection faults are repeated for 10 times, and the operating system faults are repeated for 20 times; s522, the sum of the repetition times of the five faults is 40 times, so that the port fault ratio is 1/20, the network fault ratio is 1/20, the parameter configuration fault ratio is 3/20, the installation connection fault ratio is 1/4, and the operating system fault ratio is 1/2; and S523, marking the installation connection fault and the operating system fault, wherein the preset value is 1/5, so that the installation connection fault ratio is larger than the preset value, and the operating system fault ratio is also larger than the preset value.

Specifically, as shown in fig. 6, the system includes: the classification module 10 is used for classifying the installed LED display screens according to a preset standard to obtain a plurality of combinations;

it is understood that the classification module 10 is configured to perform step S1.

The receiving module 20 is configured to receive information of the newly added LED display screen;

it is understood that the receiving module 20 is configured to execute step S2.

The judging module 30 is configured to judge whether the newly added LED display screens are summarized in a single combination according to the information of the newly added LED display screens and a preset standard;

it is understood that the determining module 30 is used for executing the step S3.

The processing module 40 is used for performing fault prediction on the newly added LED display screens in the single combination when the newly added LED display screens are summarized in the single combination, and sending operation and maintenance processing prompts of the newly added LED display screens according to a fault prediction result;

it is understood that the processing module 40 is configured to execute step S4.

And the processing module 40 is further configured to, when the newly added LED display screen is not summarized in a single combination, obtain the newly added combination according to the newly added LED display screen and a preset standard, perform failure prediction on the newly added LED display screen in the newly added combination, and send an operation and maintenance processing prompt for the newly added LED display screen according to a failure prediction result.

It is understood that the processing module 40 is also configured to execute step S5.

Specifically, as shown in fig. 7, the processing module 40 includes: the first sequencing module 401 is configured to summarize faults of the LED display screens in a single combination to obtain a single group of fault sets, and sequence the faults in the single group of fault sets from small to large according to the summarized repetition times to obtain a single group of fault sequences;

it is understood that the first sorting module 401 is configured to execute step S41.

A first marking module 402, configured to perform a single-group weight ratio analysis on the single-group fault sequence, to obtain and mark a fault whose weight ratio is greater than a preset criterion.

It is understood that the first sorting module 402 is configured to execute step S42.

Specifically, as shown in fig. 8, the processing module 40 includes: the second sorting module 403 is configured to summarize failures of a plurality of combined LED display screens to obtain an overall failure set, and sort the failures in the overall failure set from small to large according to the summarized repetition times to obtain an overall failure sequence;

it is understood that the second sorting module 403 is used for executing the step S51.

And a second marking module 404, configured to perform multiple groups of weight ratio analysis on the entire fault sequence, to obtain and mark a fault whose weight ratio is greater than a preset standard.

It is understood that the second labeling module 404 is configured to perform step S52.

It should be noted that the principle involved in the system embodiment is the same as that of the method embodiment described above, and is not described herein again.

In particular, the present invention also provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method in the above embodiment when executing the computer program.

The Processor may be an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a controller, a microcontroller, a microprocessor, or other electronic components, and is configured to perform the method of the above embodiments.

The Memory may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk.

In particular, the present invention also provides a computer-readable storage medium, which stores a computer program, characterized in that the computer program, when executed by a processor, implements the method as in the above embodiments.

The computer-readable storage medium may be a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, a server, an App application mall, etc.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.