CN113937894A - Cloud edge cooperation-based electric intelligent terminal management system and method - Google Patents
Cloud edge cooperation-based electric intelligent terminal management system and method Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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Abstract
The invention provides an electric power intelligent terminal management system based on cloud edge cooperation, which comprises: a controller and a plurality of edge agents; the controller is respectively connected with the edge agents and is used for uniformly managing the edge agents; deployed in the cloud, the controller comprising: the system comprises an operating system, the virtualization cloud platform, the internet of things management platform, the APP application center and the functional component. The controller is used for sending an instruction according to an administrator; the controller receives the power utilization data periodically reported by the edge agent and forwards the power utilization data to the power utilization acquisition master station; and the controller receives the running environment monitoring data periodically reported by the edge agent, and informs the alarm management of the IOT management platform when the APP center can not make an automatic decision. By means of the cloud-edge cooperative management system and method, a large number of platform area intelligent terminals can be efficiently and conveniently managed, and management efficiency is improved.
Description
Technical Field
The invention relates to the field of edge computing, in particular to an electric intelligent terminal management system and method based on cloud edge cooperation.
Background
Along with the continuous access of electric power industry power consumption information acquisition terminal intellectuality and distributed energy, distributed charging stake etc. the data volume and the data kind that need gather and transmit all constantly increase, and power consumption information acquisition main website is overwhelmed, and response speed slows down, and the mutual isolation forms the information isolated island between each terminal.
The intelligent terminal of the distribution area based on the edge computing power is an edge internet of things node of the distribution area and the power utilization side, has mass data storage and strong edge computing power, can share the function of a master station, realizes the control of users and the utilization terminals including electric meters, realizes the real-time interconnection and intercommunication of information, and promotes marketing and distribution.
The platform district intelligent terminal allows multiple communication protocols to be accessed, and supports ubiquitous access and edge management of platform districts and client side equipment such as multi-version intelligent electric energy meters, switches of various levels, distributed power supplies, orderly charging piles, water-gas heat meters and the like. The platform district intelligent terminal has solved the practical problem that inserts in the distribution network equipment kind and quantity are various, the standard is not unified and terminal communication is difficult, supports distribution and adoption business simultaneously, realizes the mutual sharing of data between different equipment.
The intelligent terminal of the transformer area serves as the core of the low-voltage power distribution Internet of things, and the design concepts of hardware platformization, functional software, structural modularization, software and hardware decoupling and communication protocol self-adaption are adopted. Therefore, the system can meet the traditional service requirements of power utilization information acquisition, data processing, automatic file synchronization, remote safety upgrading and the like, has the newly added functions of flexible configuration according to scenes, plug and play, real-time perception and the like, and can meet the service requirements of public service data acquisition, distributed energy access and monitoring, charging pile data acquisition, transformer area state management, enterprise energy efficiency monitoring, intelligent home application and the like.
The intelligent terminal of the distribution area is usually arranged on the power supply side of a distribution transformer of the distribution area, and various edge Internet of things equipment agents are realized. The management server is usually deployed at the cloud end, so that online management and remote operation and maintenance of the platform area intelligent terminal are realized.
However, in the face of tens of thousands of intelligent terminals in a large area, the problems of difficult state perception of the intelligent terminals, low line operation and maintenance efficiency, disordered user demand side management and the like exist, and at present, an effective, convenient and efficient unified management and control system for managing is lacking, and is used for carrying out unified upgrade on an operating system, a firmware version and the like of the intelligent terminals in the area, carrying out unified life cycle management on installed power distribution software and marketing software, realizing efficient power utilization information acquisition, monitoring various terminal internet of things equipment abnormal alarms and the like.
Disclosure of Invention
In view of the above problems, the present invention is proposed to provide a power intelligent terminal management system and method based on cloud edge coordination, which overcomes or at least partially solves the above problems.
According to one aspect of the invention, an electric intelligent terminal management system based on cloud edge cooperation is provided, and the management system comprises: a controller and a plurality of edge agents;
the controller is respectively connected with the edge agents and is used for uniformly managing the edge agents; deployed in the cloud, the controller comprising: the system comprises an operating system, the virtualization cloud platform, the internet of things management platform, the APP application center and the functional component.
Optionally, the virtualized cloud platform is a virtualized infrastructure base, and is configured to shield differences between bottom layer hardware and provide computing, storage, and network resources for upper layer applications.
Optionally, the operating system is a Linux operating system.
Optionally, the management system further includes: and the communication protocol processing unit is used for accessing various electric power Internet of things terminal equipment through various lightweight Internet of things communication protocols.
Optionally, the APP application center is configured to implement unified lifecycle management on APP instances of application software installed on the intelligent terminal.
Optionally, the management system further includes: and accessing the cloud-end controller by adopting a lightweight communication protocol through a public communication network or a special communication network, and receiving service data which is issued and uploaded by a controller control instruction and is subjected to local analysis processing.
Optionally, the controller further includes: and the Internet of things management platform is respectively connected with the power consumption acquisition master station and the power distribution automation master station.
Optionally, the edge proxy specifically includes: the system comprises an application layer APP, a virtualization cloud platform, a communication protocol processing unit and an operating system.
An electric intelligent terminal management method based on cloud edge coordination, wherein the management method is applied to the management system in claims 1-6, and the management method comprises the following steps:
the controller uniformly controls the behavior of the edge agent according to an instruction issued by an administrator;
the controller receives the power utilization data periodically reported by the edge agent and forwards the power utilization data to the power utilization acquisition master station, so that the automatic processing of power utilization information acquisition is realized;
the controller receives the running environment monitoring data periodically reported by the edge agent, and makes an automatic decision through the APP center to determine the operation to be taken next;
when the APP center can not make an automatic decision, informing the alarm management of the IOT management platform to perform automatic alarm processing;
the edge agent is deployed at the edge end, and is accessed to various electric power Internet of things terminal equipment through various lightweight Internet of things communication protocols.
The invention provides a power intelligent terminal management system and method based on cloud edge cooperation, wherein the management system comprises: a controller and a plurality of edge agents; the controller is respectively connected with the edge agents and is used for uniformly managing the edge agents; deployed in the cloud, the controller comprising: the system comprises an operating system, the virtualization cloud platform, the internet of things management platform, the APP application center and the functional component. The management method is characterized in that the electricity utilization data, the equipment state data, the environment monitoring data and the like from various electric power internet of things terminal equipment are collected through the edge agent. By the aid of the virtualized cloud platform, the edge agent is used as a working node in the container cluster, and is accessed to the container cluster to receive control instructions of the management nodes. The application software APP deployed in the working nodes distributes control instructions from the cloud to various electric power Internet of things terminal devices layer by layer, collects various data from the various electric power Internet of things terminal devices, and can efficiently and conveniently manage a large number of platform area intelligent terminals through the cloud-edge cooperative management system and method, so that the management efficiency is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an architecture diagram of an electric intelligent terminal management system based on cloud-edge coordination according to the present invention;
FIG. 2 is an internal block diagram of a portion of the functional components of the controller;
FIG. 3 is a system architecture diagram of an embodiment 1 provided by the present invention;
fig. 4 is a system architecture diagram of embodiment 2 of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terms "comprises" and "comprising," and any variations thereof, in the present description and claims and drawings are intended to cover a non-exclusive inclusion, such as a list of steps or elements.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1, fig. 3 is a first embodiment provided by the present invention, and as shown in the figure, this embodiment adopts a k3s container cluster management technique. K3s is a highly available and lightweight Kubernets container cluster management solution, and K3s is packaged into a single binary file smaller than 60MB, so that the dependency and operation steps required for installing, running and automatically updating and producing Kubernets are reduced. The K3s cluster management scheme is specially designed for production workload in unattended, resource-limited, remote areas or Internet of things equipment, so that the application scenario is very suitable for managing tens of thousands of intelligent terminals in the marginal power industry area.
As shown in fig. 2, the controller deployed in the cloud includes a k3s Server function component, which is used as a specific implementation manner of the virtualized cloud platform and mainly includes function modules such as an API Server, a Scheduler, a ControllerManager, and a Tunnel Proxy. The API Server provides HTTP REST interfaces such as addition, deletion, modification, check and the like of various resource objects, and is a data bus and a data center of the whole container cluster. The Scheduler is a Scheduler of the whole container cluster, monitors the Pods through an interface provided by the API Server, acquires the Pod to be scheduled, then scores and sorts each working node according to a series of preselected strategies and preferred strategies, and finally schedules the Pod to the working node with the highest score. The role of the ControllerManager is to ensure that the states of the various resources in the cluster are consistent with the user-defined state, and if a deviation occurs, the states of the resources are corrected. The Tunnel Proxy realizes the establishment of the communication link between the k3s Server and the k3sAgent and the maintenance of the communication channel through a tunneling protocol.
The edge Proxy deployed at the edge end comprises a k3sAgent functional component which is used as a specific implementation mode of the virtualization cloud platform and comprises functional modules such as a Kubelet, a Kube Proxy, a Flannel and a Tunnel Proxy. The Kubelet is a main service on the working node, periodically receives a new or modified Pod specification from the cloud API Server, ensures that the Pod and a container thereof operate under an expected specification, and reports the operating condition of the host to the API Server by using the Kubelet as a monitoring component of the working node. The Kube Proxy is an important component for realizing k3s Service communication and load balancing mechanism, maintains network rules on nodes, and makes traffic (through ClusterIP and ports) sent to the Service load balanced to a correct back end Pod. Flannel provides a container network model as a default CNI, and container network inter-access of cross nodes in the cluster is realized. The Tunnel Proxy realizes the establishment of a communication link between the k3s Server and the k3s Agent and the maintenance of a communication channel through a tunneling protocol. And the Pod of the application layer runs the power industry application software APP in a container form.
After the K3s cluster deployment is completed, the K3s Server manages each K3s Agent through the REST interface, receives a control instruction of the IOT management platform and the APP application center through the API Server, schedules a service Pod to a target working node through the Scheduler and operates, and guarantees the operating state of each resource object through the ControllerManager.
After the whole k3s Cluster is operated, the internet of things management platform and the APP application center can communicate with each other through Pod IP, Cluster IP or working node IP in the k3s Cluster.
Fig. 4 is a second embodiment provided in the present invention, and as shown in the drawing, the KubeEdge container cluster management technology is adopted in this embodiment. KubeEdge is an open source system and is used for extending the editing function of the local containerized application to a host of an edge end; the method is constructed based on kubernets, and provides infrastructure support for network and application program deployment and cloud edge metadata synchronization. The KubeEdge can well support edge computing, and a large amount of data can be locally generated, processed and stored by running the service logic at the edge end, so that the bandwidth consumption of the cloud edge network is reduced, the response speed is improved, the cost is reduced, and the privacy data of a client is protected. KubeEdge simplifies development, developers write and containerize conventional HTTP or MQTT based applications and then run them anywhere in Edge or Cloud. Kubeeedge supports Kubernets native interfaces and functions, and with the Kubeeedge, a user can program applications on an Edge node, manage equipment and monitor application and equipment states, just like a traditional Kubernets cluster at the cloud. KubeEdge supports a large number of applications, and existing complex machine learning, image recognition, event processing, or other advanced applications can be easily deployed to the edge end.
As shown in fig. 4, the controller deployed in the Cloud includes a Cloudpart functional component, which is used as a specific implementation manner of the virtualized Cloud platform and mainly includes functional modules such as Controllers and Cloud Hub. The Controllers comprise an Edge Controller and a Device Controller, wherein the Edge Controller is responsible for managing each Edge node and Pod original data and is used for distributing the cloud data to the specified Edge node; the Device Controller is responsible for managing various internet of things devices at the edge end. The Cloud Hub is a communication interface module of the Cloud, is used as a server connected with the web socket, and is responsible for monitoring message data change of the Cloud, caching and sending to an edge terminal.
The Edge agent deployed at the Edge end comprises an Edge part functional component which is used as a specific implementation mode of the virtualization cloud platform and comprises functional modules such as Edge, Meta Manager, Device Twin, Service Bus, Eventbus and Edge Hub. The Edged is responsible for the life cycle management of the containerized application, and comprises Kubernetes native functions such as Pod management, Volume management, ConfigMap management, Secret management and container operation. Meta Manager is a message processor between Edge and Edge Hub, and is also responsible for storing metadata into a local lightweight database so that data can be obtained locally, and dependence on cloud is reduced. Device Twin is a software mirror of the Device responsible for processing metadata, and it also assists in processing Device state and synchronizing data to the cloud. The Service Bus is used for interfacing external input, and when the type of the external input interface is HTTP RESTAPI, the Service Bus is responsible for protocol data conversion. The Event Bus is a client agent of the MQTT Internet of things communication protocol, and performs protocol conversion on data reported by the Internet of things equipment so as to meet the communication requirements of modules in the Edge part. The Edge Hub is a communication interface module of an Edge end, is used as a client end connected with a web socket, and is responsible for establishing a communication link with a cloud service and transmitting data. And the Pod of the application layer runs the power industry application software APP in a container form.
After the KubeEdge cluster deployment is completed, an Edge Controller of the cloud platform manages each Edge part through an REST interface, receives a control instruction of an Internet of things management platform and an APP application center through a Kubernets API Server, schedules a service Pod to a target working node through a Kubernets Scheduler and operates, and guarantees the operation state of each resource object through the Kubernets Controller Manager.
After the whole KubeEdge Cluster is operated, the Internet of things management platform and the APP application center can communicate with each other through Pod IP, Cluster IP or working node IP in the Cluster.
Has the advantages that: through the management system that cloud limit is cooperative, can manage a large amount of platform district intelligent terminal high-efficiently conveniently, promote managerial efficiency by a wide margin.
The control instruction initiated by the cloud end controller is issued to all or part of the edge agents, and the batch operation mode can greatly improve the working efficiency and reduce the maintenance workload of the intelligent terminal in the edge terminal area.
Through the main website of gathering with the electricity, distribution automation main website with the collaborative operation of management system cloud, limit, end can realize the automatic operation of functions such as operation, application software APP example life cycle management, equipment monitoring warning such as power consumption information acquisition, distribution substation, reduces artificial intervention, further promotes work efficiency and reduces artificial error probability.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an electric power intelligent terminal management system based on cloud limit is cooperative, its characterized in that, management system includes: a controller and a plurality of edge agents;
the controller is respectively connected with the edge agents and is used for uniformly managing the edge agents; deployed in the cloud, the controller comprising: the system comprises an operating system, the virtualization cloud platform, the internet of things management platform, the APP application center and the functional component.
2. The cloud-edge-collaboration-based electric power intelligent terminal management system as claimed in claim 1, wherein the virtualized cloud platform is a virtualized infrastructure base, and is configured to shield differences of underlying hardware and provide computing, storage and network resources for upper applications.
3. The cloud-edge-collaboration-based electric intelligent terminal management system as claimed in claim 1, wherein the operating system is a Linux operating system.
4. The cloud-edge-collaboration-based power intelligent terminal management system according to claim 1, wherein the management system further comprises: and the communication protocol processing unit is used for accessing various electric power Internet of things terminal equipment through various lightweight Internet of things communication protocols.
5. The cloud-edge-collaboration-based electric power intelligent terminal management system of claim 1, wherein the APP application center is used for implementing unified life cycle management of application software APP instances installed on the intelligent terminals.
6. The cloud-edge-collaboration-based power intelligent terminal management system according to claim 1, wherein the management system further comprises: and the communication network is accessed to the cloud end controller by adopting a lightweight communication protocol and is used for receiving the service data which is issued and uploaded by the controller control instruction and is subjected to local analysis processing.
7. The cloud-edge-collaboration-based power intelligent terminal management system according to claim 1, wherein the controller further comprises: and the Internet of things management platform is respectively connected with the power consumption acquisition master station and the power distribution automation master station.
8. The cloud-edge-collaboration-based power intelligent terminal management system according to claim 1, wherein the edge agent specifically comprises: the system comprises an application layer APP, a virtualization cloud platform, a communication protocol processing unit and an operating system.
9. An electric intelligent terminal management method based on cloud edge coordination, wherein the management method is applied to the management system in claims 1-6, and is characterized in that the management method comprises the following steps:
the controller uniformly controls the behavior of the edge agent according to an instruction issued by an administrator;
the controller receives the power utilization data periodically reported by the edge agent and forwards the power utilization data to the power utilization acquisition master station, so that the automatic processing of power utilization information acquisition is realized;
the controller receives the running environment monitoring data periodically reported by the edge agent, and makes an automatic decision through the APP center to determine the operation to be taken next;
when the APP center can not make an automatic decision, informing the alarm management of the IOT management platform to perform automatic alarm processing;
the edge agent is deployed at the edge end, and is accessed to various electric power Internet of things terminal equipment through various lightweight Internet of things communication protocols.
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| CN114710573A (en) * | 2022-06-07 | 2022-07-05 | 石家庄科林电气股份有限公司 | IPV 6-based power distribution station area edge device communication method and device |
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