CN115412380A - POE power supply monitoring method and device of POE switch and storage medium - Google Patents
POE power supply monitoring method and device of POE switch and storage medium Download PDFInfo
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Abstract
The application discloses a POE power supply monitoring method, equipment and a storage medium of a POE switch, which are used for solving the following technical problems: in the existing POE power supply management, the power supply management is not uniform and the operation and maintenance are difficult. The method comprises the following steps: constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, POE administrative unit includes: a power supply information acquisition task and a power supply information uploading task; the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit; under the circumstances of POE switch operation, POE management container calls the southward interface through power supply information acquisition task to acquire the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the show unit and demonstrate. The method realizes the unification of power supply management and reduces the operation and maintenance difficulty.
Description
Technical Field
The present application relates to the field of POE power supply technologies, and in particular, to a POE power supply monitoring method and device for a POE switch, and a storage medium.
Background
PoE (Power over Ethernet), known as Power over Ethernet, can provide both Power and data transfer to a Powered Device (PD) supporting PoE over a single network cable. Among the switches, a switch having a POE function is generally called a POE powered switch. The powered device comprises a wireless Access Point (AP), a camera and other powered devices.
In the existing POE power supply management, an MCU in a POE power supply module realizes priority management based on the power supply port priority configured by a controller; a Controller (CPU) of the switch needs to keep interaction with the MCU, the MCU is used for acquiring the states of a power supply port, such as the on-off state, the port temperature and the like, and sending an instruction to enable or close the power supply of the port, configure the power of the port power supply and the like according to a preset task. Under the framework, one part of power supply management is from the MCU, one part of power supply management is from the controller of the switch, the power supply management tasks are fixed, and the operation and maintenance are difficult.
Disclosure of Invention
The embodiment of the application provides a POE power supply monitoring method, equipment and a storage medium of a POE switch, which are used for solving the following technical problems: in the existing POE power supply management, the power supply management is not uniform and the operation and maintenance are difficult.
In a first aspect, an embodiment of the present application provides a POE power supply monitoring method for a POE switch, where the method includes: constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, POE administrative unit includes: a power supply information acquisition task and a power supply information uploading task; the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit; under the circumstances of POE switch operation, POE management container calls the southward interface through power supply information acquisition task to acquire the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the show unit and demonstrate.
In an implementation of the present application, according to preset POE power supply monitoring demand, construct POE management unit, specifically include: setting a power supply information acquisition task based on the interface information of the southward interface and the type of the power supply information of the POE switch to be acquired, so that the POE management unit can acquire the power supply information of the POE switch based on the power supply information acquisition task; and setting a power supply information uploading task based on the interface information and the interface transmission protocol of the northbound interface, so that the POE management unit can process and upload the power supply information to the display unit based on the power supply information uploading task.
In one implementation of the present application, the types of power supply information include: the power supply state of each power supply port of POE switch, the power supply power of each power supply port of POE switch, the whole power supply power of POE switch, the power supply priority sequence of POE switch power supply port, the Class classification of the PD load that each power supply port of POE switch is connected.
In one implementation of the present application, the method further comprises: under the condition that the POE switch is operated, if a port to be powered off of the POE switch needs to be powered off, the display unit generates a power-off instruction corresponding to the port to be powered off based on power-off triggering operation of a user on the port to be powered off, and sends the power-off instruction to the POE management container through a northbound interface of the POE switch; the POE management container analyzes the power-off instruction based on an interface transmission protocol to generate a first MCU operation instruction corresponding to a port to be powered off, and sends the first MCU operation instruction to the MCU through a southbound interface of the POE switch; and the MCU executes the first MCU operation instruction to realize the power-off operation of the port to be powered off.
In an implementation manner of the present application, the POE management unit further includes: a port power supply priority task and a power monitoring task.
In an implementation manner of the present application, according to a preset POE power supply monitoring requirement, a POE management unit is constructed, which further includes: determining MCU switch instructions corresponding to the power supply ports according to port numbers of the power supply ports of the POE switch, and setting port power supply priority tasks based on default port power supply priorities, so that a POE management unit can trigger the MCU switch instructions corresponding to the power supply ports based on the port power supply priority tasks, thereby realizing the control of the power supply priorities of the power supply ports; setting a power monitoring task according to a preset residual output power margin calculation rule, so that the POE management unit can issue a second MCU operation instruction according to the port power supply priority under the condition that the residual output power margin is smaller than a preset power threshold, perform disconnection operation on a power supply port corresponding to the last priority in power supply, generate alarm information and send the alarm information to the display unit; wherein, the calculation rule of the surplus output power margin is as follows: residual output power margin = maximum output power-current supply power of all supply ports; the alarm information includes: and the port number of the disconnected power supply port is based on the second MCU operation instruction.
In one implementation of the present application, the method further comprises: setting a mapping model corresponding to the port power supply priority task in the display unit, so that the port power supply priority set in the POE management container can be adjusted based on the trigger display module; and setting a mapping model corresponding to the power monitoring task in the display unit so that the power preset threshold and the maximum output power set in the POE management container can be adjusted based on the trigger display module.
In one implementation of the present application, the southbound interface includes: a UAET interface; the northbound interface includes: http interface, https interface, snmp interface, restconf interface.
In a second aspect, an embodiment of the present application further provides a POE power supply monitoring device for a POE switch, where the POE power supply monitoring device includes: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to cause the at least one processor to: constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, POE administrative unit includes: a power supply information acquisition task and a power supply information uploading task; the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit; under the condition that POE switch operated, POE management container calls the southward interface through power supply information acquisition task to obtain the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the show unit and demonstrate.
In a third aspect, an embodiment of the present application further provides a non-volatile computer storage medium for POE power supply monitoring of a POE switch, where computer-executable instructions are stored, and the computer-executable instructions are configured to: constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, POE administrative unit includes: a power supply information acquisition task and a power supply information uploading task; the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit; under the condition that POE switch operated, POE management container calls the southward interface through power supply information acquisition task to obtain the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the show unit and demonstrate.
The embodiment of the application provides a POE power supply monitoring method, equipment and storage medium of POE switch, the unity of power supply management has been realized through the POE administrative unit who founds, makes the MCU load that POE administrative unit connects reduce, MCU only need accomplish basic power supply information acquisition on the basis, to each power supply port carry out power supply or instruction of disconnection can, promoted power supply stability. The deployment is easier through the containerization POE management unit, and the operation and maintenance cost is reduced. The power supply management can be adjusted through the display unit, and the power supply management mode is enhanced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart of a POE power supply monitoring method for a POE switch according to an embodiment of the present application;
fig. 2 is an internal structure schematic diagram of a POE power supply monitoring device of a POE switch provided in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. 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.
A container is a virtualized application, and is a lightweight sandbox (sandbox). Each container runs an application, different containers are isolated from each other, and the containers can also communicate with each other through a network. The container is created and stopped very quickly, almost in line with the creation and termination of the native application; in addition, the extra requirements of the container on system resources are very limited and far lower than that of the traditional virtual machine. Many times, there is no problem even if the container is taken directly as an application itself.
The embodiment of the application provides a POE power supply monitoring method, equipment and a storage medium of a POE switch, which are used for solving the following technical problems: in the existing POE power supply management, the power supply management is not uniform and the operation and maintenance are difficult.
The technical solutions proposed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a POE power supply monitoring method for a POE switch according to an embodiment of the present application. As shown in fig. 1, a POE power supply monitoring method for a POE switch provided in an embodiment of the present application specifically includes the following steps:
In an embodiment of this application, for realizing POE power supply management, this application includes according to predetermined POE power supply monitoring demand, the POE administrative unit who constructs: the system comprises a power supply information acquisition task, a power supply information uploading task, a port power supply priority task and a power monitoring task.
Specifically, based on the interface information of the southbound interface and the type of the power supply information of the POE switch that needs to be acquired, a power supply information acquisition task is set, so that the POE management unit can acquire the power supply information of the POE switch based on the power supply information acquisition task. It should be noted that the southbound interface adopted in the embodiment of the present application may include: UAET interface, etc.
In one embodiment of the present application, the types of power supply information include: the power supply state of each power supply port of the POE switch, the power supply power of each power supply port of the POE switch, the overall power supply power of the POE switch, the power supply priority sequence of the power supply ports of the POE switch, the Class classification of the PD loads connected with each power supply port of the POE switch and the like.
Further, based on the interface information and the interface transmission protocol of northbound interface, set up power supply information and upload the task to make POE management unit can upload the task based on power supply information, handle and upload to the display element power supply information. It should be noted that, the northbound interface adopted in the embodiment of the present application may include: http interface, https interface, snmp interface, restconf interface, etc.
Furthermore, MCU switch instructions corresponding to the power supply ports are determined according to port numbers of the power supply ports of the POE switch, and port power supply priority tasks are set based on default port power supply priorities, so that the POE management unit can trigger the MCU switch instructions corresponding to the power supply ports based on the port power supply priority tasks, and therefore power supply priority control of the power supply ports is achieved.
Further, a power monitoring task is set according to a preset residual output power margin calculation rule, so that the POE management unit can issue a second MCU operation instruction according to the port power supply priority under the condition that the residual output power margin is smaller than a preset power threshold, perform disconnection operation on the power supply port corresponding to the last priority in power supply, generate an alarm message, and send the alarm message to the display unit. It should be noted that, the remaining output power headroom calculation rule is: the residual output power margin = maximum output power-current power supply of all power supply ports; the alarm information includes: and the port number of the disconnected power supply port is based on the second MCU operation instruction.
It can be understood that the constructed POE management unit can further include other tasks, for example, a work temperature monitoring task, and the like, and can be set by itself according to actual needs. It can also be understood that the unification of power supply management is realized through the method, the load of the MCU connected with the POE management unit is reduced, and the MCU only needs to execute power supply or disconnection instructions to each power supply port on the basis of completing basic power supply information acquisition, so that the power supply stability is improved.
In an embodiment of the application, after the POE management unit is constructed according to the preset POE power supply monitoring requirement, the POE management unit is subjected to containerization processing. It can be understood that the process of performing the containerization process is to pack the code file of the POE management unit and the components (such as libraries, frameworks, and other dependent items) required for running the code file together, so that they are isolated in their "containers". Immediately, the containerized POE management unit can be deployed more easily, and the operation and maintenance cost is reduced.
103, under the condition that the POE switch runs, the POE management container calls the southward interface through the power supply information acquisition task to acquire the power supply information of the POE switch uploaded by the MCU, calls the northward interface through the power supply information uploading task, and sends the power supply information to the display unit for displaying.
In an embodiment of this application, under the circumstances that POE switch operated, POE management container calls the southward interface through power supply information acquisition task to acquire the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the display element and demonstrate.
Further, under the condition that the POE switch is operated, if the port to be powered off of the POE switch needs to be powered off, the display unit generates a power-off instruction corresponding to the port to be powered off based on power-off triggering operation of the port to be powered off by a user, and sends the power-off instruction to the POE management container through a northbound interface of the POE switch; the POE management container analyzes the power-off instruction based on an interface transmission protocol to generate a first MCU operation instruction corresponding to a port to be powered off, and sends the first MCU operation instruction to the MCU through a southbound interface of the POE switch; and the MCU executes the first MCU operation instruction to realize the power-off operation of the port to be powered off.
In an embodiment of the application, a mapping model corresponding to a task of port power supply priority is set in a display unit, so that the port power supply priority set in a POE management container can be adjusted based on triggering a display module
In an embodiment of the application, a mapping model corresponding to the power monitoring task may be further set in the presentation unit, so that the preset power threshold and the maximum output power set in the POE management container may be adjusted based on the trigger presentation module.
In an embodiment of the application, a power supply port power adjustment model may be further set in the presentation unit, so that the power supply port power adjustment model generates a corresponding power supply port power adjustment instruction under a trigger condition, and sends the power supply port power adjustment instruction to the POE management container. And after analyzing the instruction, the POE management container sends the instruction to the MCU so that the MCU adjusts the power of the corresponding power supply port.
The above is the method embodiment proposed by the present application. Based on the same inventive concept, the embodiment of the present application further provides a POE power supply monitoring device of a POE switch, and the structure of the POE power supply monitoring device is shown in fig. 2.
Fig. 2 is an internal structure schematic diagram of a POE power supply monitoring device of a POE switch provided in the embodiment of the present application. As shown in fig. 2, the apparatus includes:
at least one processor 201;
and a memory 202 communicatively coupled to the at least one processor;
wherein the memory 202 stores instructions executable by the at least one processor 201 to enable the at least one processor 201 to:
constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, POE administrative unit includes: a power supply information acquisition task and a power supply information uploading task;
the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit;
under the circumstances of POE switch operation, POE management container calls the southward interface through power supply information acquisition task to acquire the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the show unit and demonstrate.
Some embodiments of the present application provide a non-transitory computer storage medium corresponding to one of fig. 1, storing computer-executable instructions configured to:
constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, POE administrative unit includes: a power supply information acquisition task and a power supply information uploading task;
the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit;
under the condition that POE switch operated, POE management container calls the southward interface through power supply information acquisition task to obtain the power supply information of the POE switch that MCU uploaded, and call the northward interface through power supply information upload task, send power supply information to the show unit and demonstrate.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on differences from other embodiments. In particular, for the embodiments of the internet of things device and medium, since they are substantially similar to the method embodiments, the description is simple, and reference may be made to the partial description of the method embodiments for relevant points.
The system and the medium provided by the embodiment of the application correspond to the method one to one, so the system and the medium also have the beneficial technical effects similar to the corresponding method.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises that element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.
Claims (10)
1. A POE power supply monitoring method of a POE switch is characterized by comprising the following steps:
constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, the POE management unit includes: a power supply information acquisition task and a power supply information uploading task;
the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit;
under the circumstances of POE switch operation, POE management container passes through power supply information acquisition task calls the southward interface to acquire that MCU uploads the power supply information of POE switch, and pass through power supply information uploads the task and calls the northward interface, will power supply information sends the show unit and demonstrates.
2. The method of claim 1, wherein a POE management unit is constructed according to a preset POE power supply monitoring requirement, and the method specifically includes:
setting a power supply information acquisition task based on the interface information of the southbound interface and the type of the power supply information of the POE switch to be acquired, so that the POE management unit can acquire the power supply information of the POE switch based on the power supply information acquisition task;
and setting a power supply information uploading task based on the interface information and the interface transmission protocol of the northbound interface, so that the POE management unit can process and upload the power supply information to the display unit based on the power supply information uploading task.
3. The POE power supply monitoring method for a POE switch, as recited in claim 2, wherein the type of power supply information includes: the power supply state of each power supply port of POE switch, the power supply power of each power supply port of POE switch, the whole power supply power of POE switch, the power supply priority sequence of POE switch power supply port, the Class classification of the PD load that each power supply port of POE switch is connected.
4. The POE power supply monitoring method for a POE switch of claim 1, the method further comprising:
under the condition that a POE switch is operated, if a port to be powered off of the POE switch needs to be powered off, the display unit generates a power-off instruction corresponding to the port to be powered off based on power-off triggering operation of a user on the port to be powered off, and sends the power-off instruction to the POE management container through a northbound interface of the POE switch;
the POE management container analyzes the power-off instruction based on an interface transmission protocol to generate a first MCU operation instruction corresponding to the port to be powered off, and sends the first MCU operation instruction to the MCU through a southbound interface of the POE switch;
and the MCU executes the first MCU operation instruction to realize the power-off operation of the port to be powered off.
5. The POE power supply monitoring method for a POE switch of claim 1, wherein the POE management unit further comprises: a port power supply priority task and a power monitoring task.
6. The POE power supply monitoring method of a POE switch of claim 5, wherein a POE management unit is constructed according to a preset POE power supply monitoring requirement, further comprising:
determining MCU switch instructions corresponding to the power supply ports according to port numbers of the power supply ports of the POE switch, and setting port power supply priority tasks based on default port power supply priorities, so that the POE management unit can trigger the MCU switch instructions corresponding to the power supply ports based on the port power supply priority tasks, and control of the power supply priorities of the power supply ports is realized;
setting a power monitoring task according to a preset residual output power margin calculation rule, so that the POE management unit can issue a second MCU operation instruction according to the port power supply priority under the condition that the residual output power margin is smaller than a preset power threshold, perform disconnection operation on a power supply port corresponding to the last priority in power supply, generate alarm information and send the alarm information to a display unit; wherein the remaining output power headroom calculation rule is as follows: residual output power margin = maximum output power-current supply power of all supply ports; the alarm information comprises: and the port number of the power supply port disconnected based on the second MCU operation instruction.
7. The method of claim 6, wherein the method further comprises:
setting a mapping model corresponding to a port power supply priority task in the display unit, so that the port power supply priority set in the POE management container can be adjusted based on triggering the display module;
and setting a mapping model corresponding to the power monitoring task in the display unit so that the power preset threshold and the maximum output power set in the POE management container can be adjusted based on triggering the display module.
8. The POE power supply monitoring method for a POE switch of claim 1, wherein the southbound interface comprises: a UAET interface; the northbound interface includes: http interface, https interface, snmp interface, restconf interface.
9. The utility model provides a POE power supply supervisory equipment of POE switch which characterized in that, equipment includes:
at least one processor;
and a memory communicatively coupled to the at least one processor;
wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to:
constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, the POE management unit includes: a power supply information acquisition task and a power supply information uploading task;
the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit;
under the condition that POE switch operated, POE management container passes through power supply information gathers the task and calls the southward interface to acquire that MCU uploads the power supply information of POE switch, and pass through power supply information uploads the task and calls the northward interface, will power supply information sends the show unit and demonstrates.
10. A non-transitory computer storage medium storing computer-executable instructions for POE power supply monitoring of a POE switch, the computer-executable instructions configured to:
constructing a POE management unit according to a preset POE power supply monitoring requirement; wherein, the POE management unit includes: a power supply information acquisition task and a power supply information uploading task;
the POE management unit is subjected to containerization treatment to obtain a POE management container corresponding to the POE management unit;
under the condition that POE switch operated, POE management container passes through power supply information gathers the task and calls the southward interface to acquire that MCU uploads the power supply information of POE switch, and pass through power supply information uploads the task and calls the northward interface, will power supply information sends the show unit and demonstrates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211015948.5A CN115412380B (en) | 2022-08-24 | 2022-08-24 | POE power supply monitoring method, equipment and storage medium of POE switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211015948.5A CN115412380B (en) | 2022-08-24 | 2022-08-24 | POE power supply monitoring method, equipment and storage medium of POE switch |
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| Publication Number | Publication Date |
|---|---|
| CN115412380A true CN115412380A (en) | 2022-11-29 |
| CN115412380B CN115412380B (en) | 2024-04-16 |
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