CN111736905A - Edge computing terminal meeting real-time service requirement - Google Patents
Edge computing terminal meeting real-time service requirement Download PDFInfo
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- CN111736905A CN111736905A CN202010380036.2A CN202010380036A CN111736905A CN 111736905 A CN111736905 A CN 111736905A CN 202010380036 A CN202010380036 A CN 202010380036A CN 111736905 A CN111736905 A CN 111736905A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
- G06F9/4413—Plug-and-play [PnP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses an edge computing terminal meeting real-time business requirements, which comprises a real-time operating system and an edge computing operating system, wherein the real-time operating system and the edge computing operating system perform data interaction through a data interface. Compared with the existing edge computing terminal, the invention is added with a real-time operating system and can support the real-time processing of the service function. And the real-time data is collected through the real-time operating system, so that the realization of real-time service functions such as electric energy charging and the like is completed.
Description
Technical Field
The invention belongs to the field of intelligent power distribution, and particularly relates to an edge computing terminal meeting real-time service requirements.
Background
In 2019, a national grid company provides construction requirements of ubiquitous power internet of things, and a novel cloud-pipe-side-end four-layer framework is formed by constructing a novel power grid with the advantages of wide interconnection of equipment, comprehensive state sensing, flexible application iteration, efficient resource utilization and quick and intelligent decision making, so that the panoramic sensing, interconnection and intercommunication and intelligent application of the whole process of power grid operation, equipment state and management are realized, and lean operation and maintenance and intelligent management and control of the power grid are supported.
The edge computing terminal is an 'edge' layer device which integrates functions of information acquisition, device state monitoring, communication networking, local analysis decision, main station communication, cooperative computing and the like and is generated under the background, and the service function realization and flexible expansion are supported in a software definition mode by adopting a platform hardware design and a distributed edge computing architecture.
The edge computing terminal is used as a key device in the construction of ubiquitous power internet of things, and due to the non-real-time property of an edge computing system, certain service functions cannot achieve the real-time property in application, so that the edge computing terminal meeting the real-time service requirement needs to be designed to achieve the edge computing and information processing control capabilities of products such as a DTU (data transfer unit) and an FTU (fiber to the next generation unit).
Disclosure of Invention
The invention aims to provide an edge computing terminal meeting real-time service requirements, which has the capability of edge computing and information real-time processing control, realizes plug and play of power distribution terminal equipment, primary and secondary fusion of power distribution equipment information and enables construction of power ubiquitous Internet of things.
In order to achieve the purpose, the invention adopts the following technical scheme: an edge computing terminal that satisfies real-time traffic demands, comprising:
the real-time operating system is used for receiving information acquired by the end layer in real time and detecting equipment condition data, storing the data, and performing telemetering calculation, harmonic monitoring and SOE resolution according to the data and performing various fault analyses and real-time fault processing through an interrupt task;
the edge computing operating system is used for transmitting the data received by the end layer to the cloud layer Internet of things platform through the tube layer remote communication network, or receiving an instruction sent by the cloud layer Internet of things platform through the tube layer remote communication network and transmitting the instruction to the end layer data acquisition equipment for parameter modification and operation control;
and the real-time operating system and the edge computing operating system perform data interaction through a data interface.
Furthermore, the real-time operating system comprises a data interaction module and a real-time processing module; the data interaction module is used for receiving real-time acquired data from the end layer and sending a control signal to the end layer; the real-time processing module is used for storing data, and performing telemetering calculation, harmonic monitoring and SOE resolution according to the data, and performing various fault analyses and real-time fault processing through an interrupt task.
Further, the data interaction module comprises an alternate acquisition module, a DI module, a DO module and a serial port communication module;
the alternating current acquisition module is used for receiving the voltage and current values acquired in real time;
the DI module is used for receiving collected signal values, including a primary switch position;
the DO module is used for outputting a received instruction sent by the cloud layer Internet of things platform through the tube layer remote communication network;
the serial port communication module is used for providing a communication interface with the end layer data acquisition equipment.
Furthermore, the edge computing operation system comprises a remote communication interface and module, a safety module, a unified data model module, a data storage management module, a micro application module, an edge computing platform, a local communication protocol adaptation module and a local communication interface; the remote communication interface and the module are used for carrying out information data interaction with the cloud layer Internet of things platform to realize plug-and-play of the power distribution terminal equipment;
the security module is used for providing a scheme strategy meeting national network security encryption;
the unified data model module is used for receiving data from the real-time operating system and receiving an instruction sent by the cloud layer Internet of things platform through a layer remote communication network;
the data storage management module is used for storing and managing data;
the micro application module is used for carrying out communication based on a message mechanism to realize edge calculation and information processing of a product;
the edge computing platform is used for processing data provided by a real-time operating system through a plurality of micro application functions;
the local communication protocol adaptation module is used for receiving end layer ammeter information acquisition data;
the local communication interface is used for local external factory equipment hanging communication.
Further, the local communication interface comprises RS232 and RS485 communication interfaces.
Furthermore, the edge computing operation system also comprises a unified data model module and a data storage management module;
the unified data model module is used for
The data storage management module is used for
Further, the data interface is an SPI standard data interface.
Compared with the existing edge computing terminal, the invention is added with a real-time operating system which comprises a data interaction module and a real-time processing module and can support the real-time processing of the service function. And the real-time data is collected through the real-time operating system, so that the realization of real-time service functions such as electric energy charging and the like is completed. Compared with the existing DTU and FTU, the invention has the core technologies of an edge computing operating system, integrated security policy, virtualization, data model and the like, comprises a unified data model module, a data storage management module, a micro application module, an edge computing platform, a local communication protocol adaptation module and a local communication interface, and supports the micro application of various software. Through a local standardized data interface, the edge computing operating system acquires data support from the real-time operating system to complete a non-real-time service function, so that plug and play of the power distribution terminal equipment and primary and secondary fusion of power distribution equipment information are realized.
Drawings
FIG. 1 is an embodiment real-time operating system implementation architecture.
FIG. 2 is an embodiment edge computing operating system implementation architecture.
FIG. 3 is an overall operation architecture of an edge computing terminal according to an embodiment, which meets the real-time service requirement.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
An edge computing terminal meeting the real-time service requirement is shown in fig. 1, which is a real-time operating system of the edge computing terminal of the present invention, and comprises two major parts, wherein the first part comprises an interleaving module, a DI module, a DO module and a serial port communication module. The alternating current acquisition module is mainly used for acquiring alternating current, such as real-time sampling values of voltage, current and the like; the DI module is used for collecting various signals, such as a primary switch position and the like; the DO module mainly outputs terminal control signals, such as switch opening and closing commands and the like; the serial port communication module provides a communication interface with the 'end' layer equipment; the second part is a terminal data and service function real-time processing module, and has high memory and is expandable in hardware, thereby completely meeting the requirement of real-time data storage; in the aspect of software, real-time interruption is carried out through an operating system, telemetering calculation, harmonic monitoring and SOE resolution are carried out according to the original data acquired by the first part, various fault analyses and real-time fault processing are carried out through an interruption task, and fault isolation and power supply recovery can be effectively carried out.
An edge computing terminal edge computing function implementation architecture is shown in fig. 2, a local communication interface is mainly applied to hanging communication of local external factory equipment, and mainly comprises an RS232 communication interface and an RS485 communication interface, a local communication protocol adaptation module is mainly applied to ammeter information acquisition and the like, and a security module provides a scheme strategy meeting national network security encryption. The kernel adopts a dual-core chip, so that the computing capability is strong and the computing speed is high. The edge computing platform processes data provided by a real-time operating system through various micro application functions based on key technologies such as an edge computing operating system, an integrated security strategy, virtualization, a data model, data storage and the like, and micro applications communicate based on a message mechanism to realize edge computing and information processing of products. And information data interaction is carried out with the cloud platform through the remote communication module and a standard remote communication interface and protocol, so that plug and play of the power distribution terminal equipment is realized. The unified data model module is used for receiving data from the real-time operating system and receiving an instruction sent by the cloud layer Internet of things platform through the tube layer remote communication network. The data storage management module is used for storing and managing data.
The whole operation architecture of the edge computing terminal meeting the real-time service requirement is shown in fig. 3, data interaction is carried out between the edge computing operation system and the real-time operation system through an SPI standard data interface, SPI is a high-speed full-duplex synchronous communication bus, only four transmission lines are provided, namely SPI _ MOSI (main equipment data output), SPI _ MISO (main equipment data input), SPI _ CLK (SPI clock) and SPI _ CS (equipment enable), even SPI _ CS can be saved in point-to-point communication, and complete communication requirement can be realized only through three transmission lines. The real-time operating system provides real-time data support for the edge computing operating system, and the edge computing operating system interacts with the cloud background and issues cloud background operating instructions to the real-time operating system. The real-time service function is realized in a real-time operating system, the non-real-time service is realized in an edge computing operating system, the requirements of a DTU and an FTU on the real-time function are met, edge computing and plug and play can be realized, and therefore the aim of electric power ubiquitous internet of things is fulfilled.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An edge computing terminal for satisfying real-time traffic demands, comprising:
the real-time operating system is used for receiving information acquired by the end layer in real time and detecting equipment condition data, storing the data, and performing telemetering calculation, harmonic monitoring and SOE resolution according to the data and performing various fault analyses and real-time fault processing through an interrupt task;
the edge computing operating system is used for transmitting the data received by the end layer to the cloud layer Internet of things platform through the tube layer remote communication network, or receiving an instruction sent by the cloud layer Internet of things platform through the tube layer remote communication network and transmitting the instruction to the end layer data acquisition equipment for parameter modification and operation control;
and the real-time operating system and the edge computing operating system perform data interaction through a data interface.
2. The edge computing terminal for fulfilling real-time traffic demands of claim 1, wherein: the real-time operating system comprises a data interaction module and a real-time processing module; the data interaction module is used for receiving real-time acquired data from the end layer and sending a control signal to the end layer; the real-time processing module is used for storing data, and performing telemetering calculation, harmonic monitoring and SOE resolution according to the data, and performing various fault analyses and real-time fault processing through an interrupt task.
3. The edge computing terminal for fulfilling real-time traffic demands according to claim 2, wherein: the data interaction module comprises an alternate acquisition module, a DI module, a DO module and a serial port communication module;
the alternating current acquisition module is used for receiving the voltage and current values acquired in real time;
the DI module is used for receiving collected signal values, including a primary switch position;
the DO module is used for outputting a received instruction sent by the cloud layer Internet of things platform through the tube layer remote communication network;
the serial port communication module is used for providing a communication interface with the end layer data acquisition equipment.
4. The edge computing terminal for fulfilling real-time traffic demands of claim 1, wherein: the edge computing operation system comprises a remote communication interface and module, a safety module, a unified data model module, a data storage management module, a micro application module, an edge computing platform, a local communication protocol adaptation module and a local communication interface;
the remote communication interface and the module are used for carrying out information data interaction with the cloud layer Internet of things platform to realize plug-and-play of the power distribution terminal equipment;
the security module is used for providing a scheme strategy meeting national network security encryption;
the unified data model module is used for receiving data from the real-time operating system and receiving an instruction sent by the cloud layer Internet of things platform through a layer remote communication network;
the data storage management module is used for storing and managing data;
the micro application module is used for carrying out communication based on a message mechanism to realize edge calculation and information processing of a product;
the edge computing platform is used for processing data provided by a real-time operating system through a plurality of micro application functions;
the local communication protocol adaptation module is used for receiving end layer ammeter information acquisition data;
the local communication interface is used for local external factory equipment hanging communication.
5. The edge computing terminal for fulfilling real-time traffic demands according to claim 4, wherein: the local communication interface comprises RS232 and RS485 communication interfaces.
6. The edge computing terminal for fulfilling real-time traffic demands of claim 1, wherein: the data interface is an SPI standard data interface.
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| CN112948051A (en) * | 2021-02-05 | 2021-06-11 | 中国铁建重工集团股份有限公司 | Cutter head driving data processing method, device and medium |
| CN112965812A (en) * | 2021-02-09 | 2021-06-15 | 中国铁建重工集团股份有限公司 | Fault diagnosis method, system and terminal based on edge calculation |
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